-
电梯基础知识
Lift Know-
how
No:
Date:
Page:
Original:
ITSA-TD-2044/01
2004/09/27
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9
电梯安装
Lift
installation
电梯安装是反映电梯设计、制造质量的重要环节，电梯安装
的质量直接影响电梯的使用，
因此每一个环节都不能忽视。
Lift installation should be attached
great importance to, because it reflects lift
design and
quality, as well as directly
affecting lift performance.
9-1
安全操作
Safe operation
9-1-1
工作环境
Working
conditions
9-1-1-1
工地人员的工作环境必
须保证绝对安全，没有任何火灾隐患及危害人身安全的因
素，应设具体人员负责防火及安
全管理；
Safe
working
conditions
for
construction
workers
must
be
ensured
so
that
no
fire
or
injurious
factors will occur; persons should be appointed to
be in charge of anti-fire and
safety
administration.
9-1-1-2
工作场所不允许吸烟，吸烟应设指定地点。纸、空烟盒和抹布不得放入烟灰箱中；
Smoking is prohibited in working
site, except in special zone.
Paper, empty cigarette
packet and ragged cloth must not be put
in ash box.
9-1-1-3
工地人员必须穿着清洁而合适的工作服；
Construction staff must wear clean and
proper working clothes.
9-1-1-4
工地人员进入现场必须穿戴防护用具，如安全帽、安全带、防护眼镜、安全靴等；
Construction staff must wear
protection gears, such as hamlet, belt, glasses
and boots
before entering site.
9-1-1-5
工作区域及周围地
区必须保持清洁，每个工作区所需的物料必须合理存放，当沉
重部件翻倒时或者松散物料
进入现场时不致发生危险，
任何时间均应防止人员跌倒或绊倒。
Working zone and neighboring area must
be kept clean; materials for each working zone
must
be
stored
properly.
No
danger
will
occur
when
heavy
parts
tumble
or
loose
materials enter site; working staff
should be prevented from fallen or stumped anytime
9-1-2
工作前的安全检查
Preliminary check prior to work
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电梯基础知识
Lift Know-how
No:
Date:
Page:
Original:
ITSA-TD-2044/01
2004/09/27
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9-1-2-1
工作会议
Work meeting
安装负
责人应该向参加安装的小组成员介绍有关电梯井道、
机房、
工作
间
（仓库）
、
电梯材
< br>料存放区、办公室、电话、厕所、电源、灭火器、火警报警处、附近医院等事项。
在每天工作开始之前，必须清楚地解释一天的工作计划，对要从事的工作提出安全指示。
工人必须意识到安全的重要性，并严格按照安全指示进行工作；
The person in charge of installation
should give construction staff an introduction on
lift
well,
machine
room,
worksite
(warehouse),
material
storing
zone,
office,
telephone,
washing room, power supply,
extinguisher, fire alarm office and hospital
nearby.
The
first thing every day before work is to clearly
explain the daily schedule, giving safety
instructions
related
to
specific
work.
Construction
staff
must
be
aware
of
the
importance of safety and in strict
conformity with related safety instructions.
9-1-2-2
在开始工作以前必须进行以下项目的安全检查：
Following items must be checked prior
to work:
9-1-2-2-1
电动机械设备及电器；
Electrical and mechanical equipment and
devices
9-1-2-2-2
电焊机
Welder
9-1-2-2-3
工具
Aids
9-1-2-2-4
轿厢紧急操作装置及提升设备；
Car emergency operation device and
hoisting equipment
9-1-2-2-5
脚手架、梯子、安全网等；
Scaffolding, ladder and safety net
9-1-2-2-6
防护服、安全帽、安全带等。
Protection clothes, hamlet, belt, etc.
9-1-3
工作中的安全注意事项
Safety
precautions in work
9-1-3-1
应
禁止未经许可的人员进入现场，
现场人员必须穿着并配戴合适的防护服及防护用
具；
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电梯基础知识
Lift Know-how
No:
Date:
Page:
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2004/09/27
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Without authorization, nobody is
allowed to enter site; staff working on site must
wear
proper protection clothes and be
equipped with protection gears.
9-1-3-2
安全防护栏、网的安装
Installation of safety barriers and net
其最低的网装在井道内高于最低楼层几米的地方。在每层楼的第二楼层或每隔
5
或
6
米处
安装高于地面的保护网。
井道的开口处应设置保护屏障
（防护栏）
，
防护栏应带有显著的警
告标志
―
开口处屏障，请勿移动
‖―<
/p>
注意
—
有坠落危险，不可开启
‖
等字样。在移开防护栏进入
井道时，保证在离开
该区域前将防护栏重新放好。
The lowest net
is located in well several meters higher than the
bottom landing.
Safety
net is installed on the second floor or
every 5 or 6 meters above ground.
In opening of
well is set up
safety barriers which should marked with warning
sign on which is written
―NO MOVING‖
and ―WATTCH OUT FOR FALLING OBJECTS; NO OPENING’.
When
entering well by removing protection
barriers, the construction staff must see to it
that
protection barriers are placed
away before leaving this zone.
9-1-3-3
脚手架
Scaffolding
在安装、
拆除或改动脚手架时，必须让合格的人员指导此项工作。必须使用标准型号的木
板，两端
的螺栓必须拧紧。使用前必须检查木板有无损坏。
No
assembly,
disassembly
or
modification
on
scaffolding
is
allowed
without
qualified
staff’s
instructions.
Wooden boards
of standard specifications must be used,
wi
th bolts
on two sides
fastened.
Wooden boards
must be checked for damage before they are
used.
9-1-3-4
在井道中进行高空作业时，应避免在井道内的不同楼层进行两项或多项工作。如
果不得不进行这样的工作，在开始工作之前必须安装安全网或头顶上的保护。
When working in the higher
position in well, construction workers
should avoid two or
more
jobs
in
different
landings.
If
two
more
jobs
have
to
be
done,
staff
must
set
up
safety net
or overhead protection before working.
9-1-3-5
气体油缸的处理
Treatment of gas cylinder
<
/p>
危险的气体如氧气和乙炔必须由合格的人员来处理。油缸必须以垂直的位置使用。它们应<
/p>
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电梯基础知识
Lift Know-how
No:
Date:
Page:
Original:
ITSA-TD-2044/01
2004/09/27
4
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存
放在通风良好的地方，并防止暴露在高温或长时间的阳光照射下。
Such
hazardous
gases,
as
oxygen
and
ethyne,
must
be
treated
by
qualified
persons.
Gas cylinders must be used
in its vertical position, stored in areas with
good ventilation
and kept away from
exposure of high-temperature or long-time
sunshine.
9-1-3-6
防火
Fire-proofing
在使用手提式切割或焊接设备之前
，必须有防火设备。将可燃性材料移到安全的地方。
Fire-proof
devices
should
be
available
before
portable
cutter
or
welder
is
used.
Flammable
materials should be kept in safe areas.
9-1-3-7
防止电击
Electric-
shock-proofing
电焊机必须连接一个减压装置和一个电路保护器。电极
柄必须无故障。电源线和接地线正
确连接以确保安全。
Welder
must
be
connected
with
a
pressure
reducer
and
circuit
protector.
Two-
pole
handle must be fault-free.
Power lines and ground
lines must be correctly connected to
ensure safety.
9-1-3-8
防护眼镜
Protective glasses
在进行钻、焊接和燃烧作业时必须配戴防护眼镜。
Protective glasses must be worn when
drilling, welding and burning is carried out.
9-1-3-9
材料处理
Treatment of
materials
在需要运输重型材料时，应与客户进行协商，并在客户的配合下进
行。在提升或降低材料
之前，仔细检查和调整起重设备，电动绞盘必须由合格的人员操作
。当物体用于提升时，
必须抓牢。工人必须保持正确的姿势，如果由一个以上的人员提升
一件重物，应注意使每
一个人员承受的重力均匀。
When heavy-load materials need
conveying, construction persons should discuss
with
end-user and convey them with
end-
user’s cooperation. Before
materials are hoisted or
lowered,
hoister must be carefully checked and adjusted and
electrical winch must be
operated by
qualified persons.
Objects
that are used to hoist must be clutched tightly.
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电梯基础知识
Lift Know-how
No:
Date:
Page:
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ITSA-TD-2044/01
2004/09/27
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Technicians must keep correct position;
if one object is hoisted by more than one more
persons, load should be imposed upon
each one evenly.
9-1-3-10
使用的工具应妥善存放，小件如螺丝、工具
等不得随意乱放在机房门口、层门附
近和井道的工作平台上，这样小件就不会因不小心被
踢入井道对井道中的人员造成伤害。
当工作告一段落时应及时将机房中、层门附近、井道
中的废物清除。
Aids should be put
away. It is wrong to leave disorderly screws and
tools in the entrance
to machine room,
near landing door or working platform of well, so
as to avoid personal
injury if such
items are kicked in well.
Rubbish in machine room, well or near
landing
door should be cleaned out
after specific intervals.
9-1-3-11
在一台电梯的不同地点或在梯群工作的人员
之间，必须保证有良好的通讯联络，
例如无线电话等。
Efficient
and
continuous
communication
should
be
ensured
between
technicians
in
different
sites
of
one
lift
or
different
lifts
of
group
control,
for
instance,
wireless
phone
should be available.
9-1-3-12
信号的确认
Signal
confirmation
在操作机器之前，操作者必须确认已经建立的信号系统。
Before operating machine, operator must
confirm that signal system has been set up.
9-1-3-13
试车操作
Trail
running
在进行试车之前，应确认所有的安全线路工
作正常，井道的清理工作已经完成。在电气设
备上进行任何工作均应先关断电源。
Before trial running, all
safety circuits should be ensured to function
well, besides, well
has
been
finished
clearing.
Power must be
cut
off
before any
work is carried out on
electrical devices.
9-1-3-14
在结束工作之前，认真清理现场，检查所有
安全隐患并作好记录。
Before
work
is
completed,
site
should
be
carefully
cleared
out,
safe
precautions
and
notes should be taken.
9-2
安装前程序
Procedures before installation
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9-2-1
电梯的安装工作与客户方的其它工作密切相关。为
了顺利地开展工作，与客户方有
关人员保持良好的关系至关重要。安装负责人与客户方有
关人员进行协商或谈判。
Since
installation involves close connection with end-
users, it is important to build good
relationship with end-user in an
attempt to run smoothly; head
of
installation team can’t
avoid
discussing or negotiating with end-user from time
to time.
9-2-2
安装队的组织
Organization of installation team
一个安装小组一般由
4
～
6
人组成，其中包括：机械钳工、电工、电焊工和起吊工。电梯
安装属特种作业，所有现场安装人员都必须持证上岗。每组必须由一名有经验的人员任负
责人，负责安装工作的计划、安全、施工质量和填写表格。
An
installation
team
is
composed
of
4
to
6
persons,
among
who
are
mechanic,
electrician, welder, and hoister.
Belonging to special work,
lift installation requires that
all
on-site
technicians
should
have
professionally
qualified.
One
experienced
person
must lead the team,
in charge of plan, safety, construction quality
and filling out relative
sheets.
负责人职责：
Job
function
●
负责与客户方的接洽；
Being
in charge of contact with end user;
●
定期召开安全工作会议，全面安排工地安全和施工进度；
Convening safety meeting , so as to
make on-site safety regulations and schedule;
●
对施工工地定期进行工程进度、安全检查；
Checking construction advancement and
safety regularly;
●
根据实际情况制定切实可行的工作计划和安全措施；
Formulating feasible plan and safety
measures according to actual situations;
●
教育、监督施工人员加强安全施工意识，合理使用安装工具；
Instructing and supervising
construction workers in terms of safety and proper
usage of
tools;
●
对事故现场进行查证、保护、积极上报；
Verifying, recording and presenting
accidents occurred on site;
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●
填写工程进度表，质量评估表及其
它施工原始数据表，编写完工报告，收集安装所用
图纸、资料，交付存档；
Filling out schedule, quality
assessment and other original sheets; drafting
work report
and collecting drawings,
information for archive.
●
奖勤罚懒，总结安装经验。
Rewarding the diligent and punishing
the lazy; summing up installation experience.
9-2-3
工地勘查
On-site
inspection
9-2-3-1
< br>检查施工现场和道路是否确保按全，是否有障碍物及积水需要排除，是否需要设
栏
杆、覆盖空洞等；
Inspect if
-construction site and roads are safe.
-obstruction or water needs to be
drained.
-balustrade needs to be set
up.
-holes need to be covered.
9-2-3-2
检查工作间（或仓库）应保持干燥并可以上锁
，并有通风和照明；
Inspect if
-workplace or warehouse is kept dry and
lockable.
-ventilation and
lighting are available.
9-2-3-3
检查堆放较大电梯部件的材料存放区应保持干燥，有防御水、防气候影响等防护
措施；
Inspect if
-storage zone for larger components of
lifts are kept dry.
-water-proof and
weather-proof measures are available.
9-2-3-4
检查井道和机房是否符合电梯安装规程中的各项规定。
Check if well and machine room are up
to relative standards in lift installation.
9-2-4
工具准备
Preparing
tools
按电梯安装规范要求准备工具。
Prepare tools according to norms in
lift installation.
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9-2-5
井道测量
Measuring well
根据电梯土建布置图复核井道
内的净平面尺寸
（宽和深）
、
垂直度、
井道预留孔、
预埋件位
置、底坑深度、
顶层高度、层站数、提升高度等，若发现与图纸不符，应通知客户方予以
修正。
According to the ground drawing
of lift, double check net surface dimensions, such
as
width and depth of well,
verticality, reserved holes in well, position of
pre-buried parts,
well
depth,
top
landing
height,
landing
numbers,
hoisting
height.
Should
discrepancy
between actual dimensions and drawings
occur, end user should be informed to amend.
9-2-6
开箱验件
Unpacking
and checking items
安装队应会同供货方及客户方根据电梯装箱清
单及有关技术资料清点箱数并核对箱内所有
电梯零部件及随机文件并作好验货记录。
Accompanied by suppliers and
end user, installation team should check lift
components
and related documents
according to packing list and take notes.
在清点中若发现因运输造成的损伤、出厂装箱缺件或实物与装
箱单不符时，应由供货方负
责退换、补齐。若清点无误，经三方在开箱验收单上签字认可
后，所有电梯部件交由电梯
安装队负责保管。
In the event of damage, shortage or
discrepancy found during transit, suppliers should
replace
and
supplement
related
components.
If
goods
received
are
in
complete
conformity with what is stipulated in
contract, three parties should confirm by
individual
signature
in
check
–
and
–
acceptance
sheet,
with
lift
component
kept
by
installation
team.
随机文件应包括：
The following items should be included
with lift:
●
产品装箱单
Packing
list;
●
出厂产品合格证
Quality
certificate;
●
电梯土建布置图
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(CHINA)
电梯基础知识
Lift Know-how
No:
Date:
Page:
Original:
ITSA-TD-2044/01
2004/09/27
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55
Construction drawings;
●
电梯使用维护说明书
Operation and maintenance manual;
●
电梯安装调试说明书
Installation and commissioning manual;
●
电气接线图
Electrical
diagrams;
●
部件安装图
Component-
mounting drawings.
9-3
安装程序
Installation
procedures
电梯安装程序如图
9-1
所示
.
Lift
installation procedures are as shown in figure
9-1.
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ELEV
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/p>
门精调
清洁井道
调试
prohibited without the written consent of the copyright owner.
清理现场和喷漆
验收
移交
装平衡链等
轿顶布线及接线，
操纵盘、显示器及其它接线
现场调查工作准备
安
装前准备工作
与有关部门讨论问题
开箱、验件、清点
分类、储存、保管
工具、材料准备
电源、防火、安
全设备
安装平台或脚手架
制作样板
井道
放线
安装机房设备
曳引机、控制柜、限速器等
< br>安装导轨支架、导轨
安装厅门门框、地坎
机房布线
安装调整厅门
机房及井道中的电气安装
这些程
序可以颠倒，取决于
建筑工程的进展情况而定
安装底坑设备
拆除安装平台或脚手架
轿架和轿厢组装
对重
安装
钢丝绳安装
限速器绳安装
在最低层
（或在第一层）装配
轿厢，然后将轿厢提升到最高
层，再安装钢
丝绳之前，用电
动绞盘，或在最高层组装轿厢
并在那里安装钢丝
绳。
井道中附件及电子设备安装
井道布线、随行电缆
大厅呼梯盒及大厅显示器安
装
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rights are reserved. Reproduction in whole or in
part is
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2004/09/27
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55
U&D ELEV
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ODBO
Wire and
connect in car top,
control panel and
display etc.
Mount accessories,
electrical
devices and traveling cable
in
well and connect wire.
Mount landing door call box
and indiator
Mount machine
room device,
traction machine and
overspeed
governor
Make
model
Plumb in well
Mount
rail support and rail
Mount landing door
frame
and sill
Mount and
adjust landing
door
Mount
electrical devices in machine
room and
well
Disassemble installation platform
or scaffolding
Assemble car frame and
car
Assemble car at the bottom or the
first landing,
then hoist car to the
top floor;
before mounting rope, mount
car at the top
landing by electrical
winch or assemble car and
mount rope
there.
These steps are changeable in
order, dependent on construction
progress.
Mount pit
system
Prepare prior to
installation
Prepare for on-site
check
Discuss with related
department
Unpack, verify and
count
Classify, store and
keep
Prepare tools and
materials
Power, fire alarm and safety
devices
Mount platform or
scaffolding
Wire in machine
room
Mount counterweight
Mount
rope
Mount overspeed governor
rope
Fine tune door
Clean
well
Commission
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Mount
compensation links,
prohibited without
the written consent of the copyright owner.
etc.
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电梯基础知识
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9-3-1
搭脚手架、制作样板架
How to build scaffolding and fabricate
model frame
9-3-1-1
搭设脚手架要求安全
稳固，其承载能力不得小于
250kg/m
2
< br>。脚手架的搭设方式与
电梯载重量有关：
Scaffolding should be set up safely and
firmly, with load capacity not less than
250kg/m
2
.
How the scaffolding is set up is
related to lift load.
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安
装载重量在
3
吨以下的电梯脚手架可以采用单井字式如图
9-2
（
a
）中实线
所示。
安装载重量在
3
吨以上的电梯脚手架可以采用双井字式如图
9-2
（
b
）中虚线所示。脚手架
分别有：立杆
、横杆、支撑杆、攀登杆、隔离层组成。由下至上逐层搭设，根据电梯对重
布置的位置，
分为对重在轿厢后面和对重在轿厢侧面两种。井字式脚手架示意图如图
9-2
所示。
Scaffolding shown
in figure 9- 2 (a) with real lines is applicable
to lift with load of less
than 3 T.
Scaffolding shown in figure 9- 2 (b)
with dashed line is applicable to lift with load
of more
than 3T.
Scaffolding is composed of vertical
column, horizontal column, support column,
climbing
column and isolating layers.
Beginning from the bottom,
scaffolding is constructed step
by
step; counterweight can be either located behind
car or on both sides of car.
脚手架的材料有木、竹及钢管几种，无论选用哪种材料，都要
可靠地保证脚手架的稳定性
（每层有一根杆顶墙，避开门口）和足够的承载力。每层楼的
脚手架横梁上应放置两块或
两块以上的木板，木板两头应与横梁临时紧固，脚手架位置要
便于施工，不影响放线。遇
到电焊工序应随时检查有无隐患，脚手架架设的尺寸要求如图
9-3
、图
9-4
所示。
No matter what
material (wood, bamboo, or steel) scaffolding is
made of, it must have
sufficient
stability (there is a column leaning against wall
to avoid the entrance to door)
and
support capacity. On horizontal transom of
scaffolding of each floor should be placed
two
or more
wooden boards,
both
sides
of which
should be
temporarily
fastened
with
horiz
ontal
transom.
Scaffolding
should
be
so
placed
that
plumbing
won’t
be
affected.
Faults
should
be
checked
from
time
to
time
when
welding
is
done.
Dimensions
of
scaffolding are shown in figure 9-3 and
9-4.
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脚手架架设完毕后，安装工地负责人应检查脚手架是否牢固安全和符合使用要求，同时应
检查井道壁机房楼板下是否有残余的露出壁面的异物，若有应安排人进行剔除。
Scaffolding
constructed,
head
of
construction
team
should
check
if
scaffolding
is
firm,
safe and up to requirement,
meanwhile, well walls and machine room vane should
be
check for extraneous objects
projecting from the walls.
Should such objects exist, they
should be cleaned out.
9-3-1-2
制作样板架和放线
How to fabricate model frame and
release plumb
样板架是电梯安装的基准，必
须在安装前确定好。样板架用于确定电梯井道的垂线，确定
井道尺寸是否在容许的公差范
围内。样板的最佳位置将使所有预制项目（即门框和导轨支
架）的安装工作顺利进行。样
板的正确定位还将消除返工和修改。样板架及放线的精确度
将直接影响到电梯安装定位的
准确性。所以，在做这项工作之前，要认真、仔细阅读电梯
的随机技术资料，了解电梯的
型号、规格、各种尺寸及参数，熟悉电气原理图、接线图、
机械安装图等。根据图纸再次
复核待装电梯的层站数，顶层高度、底坑深度，提升高度，
井道内净尺寸和垂直度，层门
型式和门洞尺寸，然后制作样板
.
As
the
benchmark
for
lift
installation,
model
frame
must
be
determined
prior
to
installation.
Model frame is used to determine the
plumbing in well and if dimensions of
well
is
within
error
allowance.
The
optimum
position
of
model
board
helps
the
installation
of
all
prefabricated
items
(i.e.
door
frame
and
guide
rail
support)
progress
smoothly.
Correct position of model
frame will minimize re-fabrication and
modification.
Plumbing
accuracy of model board will directly influence
correct position of lift installation.
Therefore, relative technicians should
study related technical documents to be familiar
with
lift
parameters
as
well
as
electrical,
wiring
and
mechanical
drawings.
Based
on
related drawings,
technicians should double check such parameters as
landing number,
landing height, pit
depth, hoist height, net well dimensions,
verticality, door type and door
hole
dimensions before fabricating model frame.
9-3-1-2-1
选材
一般常用的样板架支架图形如图
9-5
所示。制
作样板架的木条应用硬杂木，要求干燥、结
实、不易变形，四面刨平，互成直角。其木料
尺寸选择参照表
9-1
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-
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Materials
Conventional model
frame is as shown in figure 9-5.
Wood for model frame should be
dry,
sturdy,
deformation-proof,
polished
in
four
surfaces,
with
90°
angal
for
four
sides.
Dimensions are shown in
table 9-1.
将所有提供做样板的木料分成相等的两个组，对每组中长、短
块编上同样的号码，一般每
个样板要用
8
块木板，
须检查每块木板的牢度和直度。
< br>样板架也可用经过校直的
5×
40×
40
的角钢制作。
Wood
material
is
divided
into
two
equal
sets.
Long
and
short
pieces
are
allocated
identical numbers;
normally each model board needs 8 wood boards,
whose firmness
and verticality must be
checked.
Model frame can
also be made of plumb angle steel of
5×
40×
40.
9-3-1-2-2
样板架的制作
How to
fabricate model frame
按图
9-6<
/p>
所示的尺寸制作两个相同的样板架，一个固定在井道顶，一个固定在底坑。将制
作好的样板架用粘胶粘上，并用铁钉固定并在其上标出各垂线的位置。
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Two identical model frames should be
fabricated according to the dimensions indicated
in figure 9-6.
One is fixed on well top, the other in
pit.
Prefabricated model
boards are
glued by adhesive and fixed
by screws, with positions of each plumbs
indicated.
9-3-1-2-3
样板架固定方法
How to
fix model board
在机房楼板下面
600
～
800mm
的井道墙上，水平地凿四个<
/p>
150×
150×
200mm
的空洞，用
两根大于
100×
100mm
刨平的木梁按图
9-2
首先固定好样板的支架，用支架托着样板架，
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(1)
对重在轿厢后面
(2)
对重在轿厢侧面
counterweight behind car
counterweight beside car
A
—轿厢宽
/car
width
；
B
—轿厢深
/car
depth
；
< br>C
—对重导轨架距离
/counterweight
guide
rail
bracket
distance
；
D
—轿厢架中心线至对重中心线的距离
/distan
ce
between
car
frame
central
line
and
counterweight
central
line
；
E
—轿厢架中心
线至轿底后缘
/from
car
frame
central
line
to
car
bottom
rear
；
F
—开门宽度
/door-open width
；
G
—轿厢导轨架距离
/car guide rail bracket distance
；
H
—轿厢与
对重偏心距离
< br>/distance between car and off-center counterweight
；
1<
/p>
—铅垂线
/plumbline
；
2
—对重中心线
/counterweigh
t central line
；
3
—
轿厢架中心线
/car frame central
lin
e
；
4
—连接铁钉
/connecting iron screws
图
9-6
样板架平面示意图
Figure 9-6 Model frame plan
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用
水平仪矫正后固定。用同样方法将底坑样板架固定在底坑。样板架的安装应符合下列要
求
，水平度不超过
5mm
；顶部、底部样板架的垂直偏移不应超过
1mm
。
Four
150×
150×
200mm
holes
should
be
drilled
horizontally
on
well
wall
located
600
~
800m
below
machine
room
vane.
Two
pieces
polished
transoms
with
more
than
100×
100mm are used to fix
brackets of model frames according to figures9-2;
brackets
are
used
to
support
model
frames,
horizon
will
be
fixed
after
being
corrected.
Accordingly,
model
frame
is
fixed
in
pit.
Horizontality
should
not
exceed
5mm;
vertical displacement
of top and bottom model frame should not exceed
1mm.
在调整样板架的位置时，应满足尽量不动原有牛腿
、井道壁为前提的原则。样板架在井道
顶层的位置如图
9-7<
/p>
所示。
When model
frame is adjusted, it is preferable
to
have nosing and well wall remain unchanged.
Model frame is located in
well top, as shown in
figure 9- 7.
9-3-1-2-4
放线
How to release
plumb
●
从样板架上放出垂线至底坑，线一般采用
0.4
～
0.5
mm
的钢丝线
（或用
0.71
～
0.91mm
的
镀锌
铁丝）
。需要定位的线有：轿厢中心线、对
重中心线、层门中心
线、层门口净宽、各导轨中
心线，各线的位置偏差不应超过
±<
/p>
0.15mm
。放线
的方法是：在样板架
上放铅垂线的各点处，用薄锯条锯个斜口，其旁钉一铁钉，作为悬挂
固定铅垂线之用。<
/p>
Plumb is released from model
board to pit. Normally adopted is 0.4~0.5mm plumb
made
of steel wire or 0.71~0.91mm iron
wire coated with zinc.
Plumb to be positioned is car
center, counterweight center, landing
door center width of entrance to landing door and
central of each guide rail.
Position deviation of each plumb should
be within ±
0.15mm.
How to release plumb is as follows: on
the model board, for respective point plumb is to
be release, an oblique opening will be
sawed, near which is an iron screw that is used to
suspend and fasten plumb.
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-
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●
在样板架上铅垂线下端挂上
5
～
10kg
的线坠，吊放至底坑，将钢丝拉直，待铅垂线张紧
稳定后，根据各层层门、承重梁尺寸，再次校正样板架各线的正确位置，然后用环状铁钉< p>
固定在底坑样板架上。这样一来就确定了电梯安装的标准线。
A 5~10kg plumb pendant is hung below
the model frame, running as far as to pit. Steel
wire
should be
straightened.
After plumb
is
tensioned,
the position
of each
plumb of
model frame should be corrected again
according to dimensions of each landing door
and support transom, then each plumb
will be fastened by circular screw on model board,
so as to determine standard lines for
lift installation.
随着科学技术的不
断发展，激光技术应用在电梯安装的调整垂直度、定位工作中，电子测
量仪（测高度、距
离）重量轻、精度高、安装方便、不易受井道内施工的影响，在提高工
程质量，加快施工
进度方面取得了良好的效果。
With
technology
development,
laser
has
been
applied
in
verticality
adjusting
and
positioning of lift
installation.
Electronic
measurer is light, accurate, easy to install and
not susceptible to construction in well
and helpful in improving engineering quality and
speeding up construction progress.
9-3-2
导轨的安装
How to
mount guide rail
所有电梯的安装都是由导轨安装开始
，导轨是电梯运行质量的一个重要因素，
导轨工作面
必须垂直、平行，导轨距要保持正确的距离，导轨距的安装公差一般是
0
～
+2mm
，这样
轿厢运行才
能无摆动、振动和敲击，导轨安装位置必须精确，因为它确定电梯在井道中的
位置以及曳
引机的位置。
All lift installation
begins with rail mounting.
As an important factor for lift
performance,
rail
surface
must
be
vertical,
parallel
and
rails
must
keep
correct
distance
from
each
other.
Mounting
allowance
for
rail
distance
is
0
～
+2mm
，
so
as
to
prevent
car
from
wavering,
shocking
and
tapping.
Rail
mounting
position
must
be
accurate,
which
determines lift position in well and
traction machine position.
9-3-2-1
固定导轨支架
How to
fasten guide rail
每根导轨至少应有<
/p>
2
个支架，且其间距应不大于
2.5m<
/p>
。
Each guide rail
has at least two brackets, whose distance should
not exceed 2.5m.
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-
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9-3-2-1-1
对钢筋混凝土井道壁，
< br>支架用不小于
M16
的膨胀螺栓
，
埋入墙体深度大于
120mm
。按支
架间距不大于
2.5m
划线确定支架位置
；
For well wall made of
fabric-reinforced concrete, on brackets are used
dowel bolts of not
less than M16, with
depth of
exceeding 120mm
interred in well.
Bracket
position is
determined by the underline
of bracket distance that is not more than 2.5m.
9-3-2-1-2
若固定导轨支
架的墙体厚度小于
150mm
，或对砖结构井道，尽量将支架固
定在
水泥圈梁上
。
如果尺寸不能满足要
求而必须将支架固定在砖墙时，每个支架应设计两块厚
度
10m
m
以上的钢板，里外用直径
16mm
以
上的穿墙螺栓将砖墙夹持牢固
，将墙夹板当
作支架底板。
然后将支架满焊焊接在钢板上，上下焊接且焊缝应连续、饱满
。
Should the wall thickness for
fastening rail bracket be less than 150mm, for
well made of
brick, brackets will be
fastened on circular concrete transoms.
Should dimensions fail
to meet requirement and brackets must
be fastened on brick wall, each bracket should
have two steel boards of more than 10mm
in thickness, bolts with diameter of more than
16mm is used to fasten bracket on brick
wall. Wall retaining board is used as bracket
bottom board.
Bracket is fully welded on steel board;
besides, upper and lower parts
should
be welded continuously and fully without any
welding seam.
9
-3-2-1-3
核对导轨支架与导轨连接板之间的距离，两者不得互相干涉，必须将它
们错开；
安装支架时，
可以根据样板架放线首先安装最顶端和底
端的支架，
再放两根样板架中心线，
以此安装中间的导轨支架。
The distance between rail
bracket and rail connection board should be
checked.
They
must
stagger
to
avoid
intervening
with
each
other.
When
the
bracket
is
mounted,
according to model
frame plumb, it is required to mount the highest
and lowest bracket
before two central
plumbs of model frame are put, based on which to
mount middle rail
bracket.
9-3-2-1-4
导轨支架的水
<
/p>
平度不大于
5mm
；垂直
度
≤0.3mm
。
见图
9-8
。
支架膨胀螺栓或支架直
接埋入墙的深度不应小
于
120mm
。灌注导轨
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）轿厢导轨架
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2
）对重导轨架
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counterweight rail bracket
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图
9-8
导轨支架要求
Figure9- 8
Requirement for rail bracket
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支架用水泥标号应不低
于
400
号。
Horizontal degree of rail bracket
should not exceed 5mm; verticality should not
exceed
0.3mm, please see figure 9-8.
Depth
of
dowel
bolts
or
bracket
interred
in
wall
should
be
more
than
120mm.
Rail
bracket should be
filled with concrete whose specification number
should not be lower
than #400.
9-3-2-1-5
导轨支架和墙壁间的衬垫总厚为
5mm
以下，衬垫的
大小为导轨支架宽度尺寸。
当墙壁存在平面误差时，也可以仅
在单侧垫入
10mm
以下的衬垫。如果超过
5mm
，必须
将超厚垫片用电焊点焊在一起。
The total thickness of washer
between rail bracket and wall should not exceed
5mm; the
size
of
washer
is
equal
to
the
width
of
rail
bracket.
Should
plane
error
exit
in
wall,
washer
of
not
more
than
10mm
can
also
be
inserted
in
one
side.
For
washer
with
thickness exceeding 5mm, it must be
dot-welded.
9-3
-2-1-6
最低的支架距离地坑
≤500mm
；
最高支架距离井道顶面
≤500mm
；
支架应与导轨
连接板位置错开。
The distance between the lowest
bracket and pit should not exceed 500mm; while the
distance between highest bracket and
well top should not exceed 500mm; bracket and
rail connection board should stagger
with each other.
9-3-2-2
立导轨
How to set up
guide rail
电梯轿厢应运行在垂直夹角不大于<
/p>
15
度的两列导轨之间
。
Lift should run between two rails,
the vertical angle between which should not exceed
15°
.
轿厢导轨和装有安全钳的对重导轨应支承在底坑坚实的底座上
。
Car rails and counterweight rails
equipped with safety gear should be supported on
the
sturdy seat in pit.
9-3-2-2-1
在立导轨之前，将井道土建杂物清理干净后首先将
样板架上的标准样线放松保
管，避免竖导轨时将线碰断。
Before setting up guide rails, ground
of well should be cleaned out and standard plumbs
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should be loosely maintained, so as to
prevent lines from being broken by colliding with
rails.
9-3-2-2-2
将底层脚手架的横杆撤去一些，便于每根导轨（
5m
长）能顺利进入井道。
Some of the
horizontal rods of bottom scaffolding should be
removed so that each rail of
5 meters
can enter well easily.
9-3-
2-2-3
清洗、保护好导轨接头，
以免杂物加在中间造成导轨
接头缝隙偏大。检查导轨接
头有无损伤、变形弯曲等现象，
然后
将导轨用煤油逐一擦洗干净
，对有外伤或变形的导轨
应予以修复
。
Guide
rail
joints
should
be
cleaned
and protected
to
avoid
rather
larger crevice
of
rail
joints caused by extraneous objects.
Rail joints should be
checked whether they are
damaged,
deformed
or
bent.
Cleaned
by
kerosene,
damaged
or
deformed
rails
can
be
recovered.
9-3-2-2-4
导轨与导轨之间采用导轨连接板进行连接，
其端部有凹凸榫头进行定位，
为使榫
头与榫槽的定位准确，应使榫头完全楔入榫槽，在连接处，轿厢
导轨和设有安全钳的对重
导轨工作面接头处不应有连续缝隙，如图
9-9
所示。
井道两侧的导轨接头应相互错开，不
应在同一水平位置
。
Rails
are
connected
with
each other by
connection boards,
on
whose side
there
is convene and concave and convex
dowel
to position. To achieve accurate
positioning
of dowel and dowel groove,
dowel should
be
inserted into groove completely.
At the
joint,
no continuous crevice is
allowed in
joint
of working
surface
of car
rails and
counterweight
rails equipped
with safety
gear, as shown in figure 9-9. Two sides
of
position.
9-3-2-2-5
将导轨底垫放入底坑并凿平垫实；先立下面四根
导轨（二根轿厢、二根对重）
，
将接油盘放在导轨与底梁之间，
然后将其余的导轨从井道内用卷扬机或电动葫芦逐根起吊
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图
9-9
导轨与导轨的连接
Figure
9-9 Connection between guide rails
rail
joints
in
well
should
stagger
with
each
other
and
avoid
on
the
same
horizontal
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对
接，进行安装。注意，在放置导轨时，
底部一定要垫上木板防止接头进入灰尘、防止碰<
/p>
伤接头。
Rail washer
should be placed in pit evenly.
Four rails should be set up, among
which
are
two
car
rails
and
two
counterweight
rails.
Oil
plate
is
placed
between
rails
and
bottom
transoms;
then
remaining
rails
should
be
hoisted
and
connected
from
well
by
windlass
and
electrical
hoist
before
being
installing.
When
rails
are
being
placed,
it
should
bear in mind that wood boards must be put on the
bottom rails, so as to prevent
dust
from entering joints and protect joints from being
damaged.
9-3-2-2-6
对接、安装每根导轨时，
连接导轨的连接板要求坚固，每根导轨用连接板上下连
成一体，导轨压板螺丝临时固定，待校定后再紧固。
When
each
rail
is
connected
and
installed,
connection
board
should
be
firm.
Rails
should
be
integrated
after
connection;
rail
pressing
board
that
is
temporarily
screwed
will not be fastened
tightly until rails are finished correcting.
9-3-2-3
校轨
How to correct rails
首先调整井道顶端和底坑的两个
样板架，使标准钢丝线先复位、绷
直，并以此为基准进行校轨。标准
钢丝线应在距导轨顶面
< br>50mm
放
一根校正线，同时在导轨的侧面也
放一距侧面为
50mm
的样线，
< br>根据
标准线用
导轨初校卡板
（如
图
9-10
所示）
和找导尺
——
精校卡板
（如
图
9-11
所示）
逐一复查各个导轨样
板处尺寸，应满足以下要求
:
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Two model frames in well top and pit
should be adjusted to reset and straighten
standard
steel wires,
according
to
which
rails
are
corrected.
A
correction
line
is placed 50mm
from the rail
top, meanwhile, model
line is placed
50mm from side of rail.
Dimensions
in
each
position
of
rail
model board should be
examined by
means
of
rail
rough
-
correction
board and fine-
correction correction
board according
to standard line, as
shown
in
figure
9-9
and
9-10,
in
order
to
meet
the
following
requirements:
9-3-2-3-1
两列导轨端面间距误差：
轿
厢导轨要求在
0-+2mm
，对重导轨要
求在
0-+3mm
。
Distance
car rail; 0-+3mm
for counterweight rail.
9-3-2-3-2
两列导轨的侧工作面铅垂误差：每
5m
不应大于
0.7mm
；
相互偏差在整个高度
上不应超过
1mm
。
Plumb
error
of
side
working
surface
of
two
rails:
not
more
than
0.7mm
for
every
5m;
relative deviation: not
more than 1mm for total height.
9-3-2-3
-3
所有导轨接头处的间隙不应大于
0.5mm
；
接头台阶在
±
150mm<
/p>
内不大于
0.05mm
。否则，在此范围
内要对导轨进行修平。如图
9-12
所示。
Crevice at rail joint should not
exceed 0.5mm; joint step should not exceed 0.05mm
within
±
150mm;
otherwise,
rails
should be corrected evenly
within this range, as shown
in figure 9- 12.
9-3-2-3-4
导轨应用导轨压
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error
between
end
surfaces
of
two
rails:
0-+20mm
for
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板固定在导轨支架上，绝对不允许采用焊接或螺栓连接。
Rails should be fixed by rail pressing
boards on rail brackets; it is forbidden to
connect by
welding or bolt.
9-3-3
机房设备的安装
How to mount machine room device
机房设备的安装包括：承重梁的安装、曳引机的安装、导向轮的安装及限速器的安装等
。
Machine room devices
include mounting of support
rod
,
traction machine,
diverter pulley
and overspeed governor.
9-3-3-1
承重梁的安装
How to mount support rod
采用机
房上置式的电梯，
机房设在井道上方。
机房的承重梁承载着电梯
的全部动载和静载。
承重梁一般采用两根并行摆放的工字钢组成
，电梯生产厂家按照机房实际尺寸在发货时都
已经加工、配置好。将承重梁安装在机房楼
面的上方还是下方，要根据机房高度和顶层高
度具体而定，主要是考虑导向轮的安装要求
。
For
upper-
placed
lifts,
machine
room
should
be
located
above
well.
Support
rod
is
imposed
upon whole dynamic and part static load of lift.
Support rob is composed of
two H steel in parallel, which have
been processed and assembled in factory.
Whether
support
rod
is placed above
or
below
the floor of machine
room
is
determined
by
the
machine room height and top landing
height, in other words,
requirement for
mounting
diverter pulley should be
taken into consideration.
一般都将承重梁安装在机房楼
面的上方，这样安装施工比较方便。也有将承重梁安装在机
房楼面的下方，这样机房地面
平整、不零乱，但是施工麻烦。
Support
rod
is
normally
mounted
above
the
floor
of
machine
room
to
facilitate
construction;
however,
it
is
also
permissible
to
mount
support
rod
below
the
floor
of
machine
room to make floor even and tidy, only to result
in arduous construction.
为了
使承重梁稳固、可靠，
常常在两头筑起
600mm
左右高的混凝土台阶
。
To make support rod firm and reliable,
approximately 600mm concrete steps should be
set up on both sides.
承重梁的安装应符合以下要求：
The following requirements should be
met:
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●
承重梁的两端必须平压在电梯井道的承重梁（或墙）上，埋入深度应超过墙厚中心
20mm
，并且，整个埋入深度应
>75mm
。
如果井道是砖墙，承重梁应担在圈梁上或埋入墙
体部分应用混凝土垫实。
Both
sides
of
support
rod
should
be
evenly
pressed
on
support
rod
or
wall
of
well,
interring depth should be 20mm beyond
the center of wall thickness, besides, the total
interring
depth
should
exceed
75mm.
If
well
is
made
of
brick,
support
rod
should
be
imposed on circular rod or interred in
wall body which needs to be filled with concrete.
●
承重梁上面的平行度应
≤1/1000
，
两根相邻的承重梁高度误差应
≤0.5mm
，
两根梁的平行
度
≤6mm
。
Parallelism
above
support
rod
should
not
exceed
1/1000;
height
error
between
two
adjacent
support
rods
should
not
exceed
0.5mm;
parallelism
of
two
rods
should
not
exceed 6mm.
●
承重梁中心与样板架中心的位置偏差应小于
20mm
。
Position deviation
between support rod center and model frame center
should be less
than 20mm.
●
承重梁的实际尺寸、规格是按照电
梯的实际载重量、自身重量及动载量而定。
Actual
dimensions and specifications of support rod are
determined by actual lift load, lift
weight and dynamic load.
9-3-3-2
曳引机的安装
How to mount traction machine
曳引机安装在承重梁上
。具体分为承
重梁在机房楼板上面还是在下面两种情况：
Traction
machine is mounted on support rod which can be
above or below the vane of
machine
room.
9-3-3-2-1
当
承重梁在机房楼板上面时，
曳引机机座直接安装在承重梁上。
为
减少振动和噪
声，
通常采用橡胶垫块作为减震装置来减小振动和
噪声。
一般都采用
4
套厚
20mm
的钢板
两块，中间夹有减震橡胶组成的减震
器。减震器上面的钢板用螺栓与曳引机连接，减震器
下面的钢板用螺栓与承重梁连接或焊
接。
When support rod is above
the vane of machine room, traction machine seat is
directly
mounted on support rod.
To reduce shock and noise,
a rubber filler, as shock-absorber,
will
be
used
to
reduce
shock
and
noise.
Composed
of
shock-absorbing
rubber
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sandwiched by 20mm steel boards, four
sets of shock-absorbers are needed.
The steel
above the shock-
absorber board is screwed with traction machine;
while the one below
is screwed with
support rod or welded.
9-3-3-2-2
当承重梁在机
房楼板下面时，
在曳引机下面及承重梁上面做比底盘外形大
30
mm
，厚
250mm
的钢筋混凝土底座
，在座上预埋好固定曳引机的螺栓
。然后，将曳引
机吊至承重梁
上。
When
support
rod
is
below
machine
room
vane,
below
traction
machine
and
above
support
rod,
it
is
required
to
fabricate
a
fiber
concrete
seat
that
is
30mm
bigger
than
traction machine seat and 250mm in
thickness.
Screws used to
fasten traction machine
should be pre-
interred on seat.
Traction
machine should be hoisted to support rod.
9-3-3-2-3
曳引轮安装位置的调校：设法在曳引机的上方拉一根水平钢丝线，以此线为
起点，一根对准井道内样板架上的轿厢中心点；一根对准样板架上的对重中心点。然后根
据曳引轮节圆直径再放一根垂线，以这三根线来校整曳引机的安装位置，要求达到：
How to correct the position of traction
machine sheave: Pull above the traction machine
a horizontal steel wire starting from
this wire, one line is aligned with the center of
car on
model frame, the other is the
with counterweight center.
Based on diameter of traction
machine
sheave
is
a
plumb
line.
Position
of
traction
machine
should
be
corrected
according to the
three lines.
The following
points should be met:
●
曳引轮位置偏差：前、后（相对重方向）不超过
±
2mm
；
Position
error of traction sheave: within ±
2mm
in front or rear, relative to counterweight;
●
曳引轮
垂直度不大于
2mm
。
Verticality of traction sheave: not
exceeding 2mm;
●
曳引轮与导向轮之间的平行度不大于
±
1mm
< br>（曳引轮与复绕轮除外
）
。
Parallelism between traction sheave and
diverter pulley: within ±
1mm (not
applicable to
parallelism between
traction sheave and composite winding sheave)
9-3-3-3
导向轮的安装
Mounting of diverter pulley
根据设计要求，在机房的楼板或承重梁上，以安装曳引机时放的对重中心铅垂线为中心，
保证导向轮和曳引轮两个中心截面在同一平面位置。
According to design requirement, on
machine room vane or support rod, central plumb
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-
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line
which
is
placed
when
traction
machine
is
mounted
serves
as
the
center;
central
sections of diverter
pulley and traction sheave must be on the same
horizontal surface.
●
导向轮垂直度不大于
2mm
；
Verticality of diverter pulley: not
exceeding 2mm;
●
与曳引轮的端面平行度不大于
1mm
；
Parallelism with traction
machine end surface: not exceeding 1mm;
●
导向轮位置偏差：前、后（相对
重方向）不超过
±
2mm
；左、右方向
不超过
±
1mm
。
Position deviation: for front and
rear (relative to counterweight): within
±
2mm; for left and
right:
within ±
1mm.
如果不设导向轮，曳引轮的节圆直
径应与轿厢中心点和对重中心点之间的距离相近。
Should
diverter
pulley
not
be
mounted,
diameter
of
traction
sheave
should
be
approximately
equal
to
the
distance
between
the
central
point
of
car
and
that
of
counterweight.
9-3-3-4
限速器的安装
How to
mount overspeed governor
做一个混凝土基座，该基座大于
限速器底座每边
25
—
40mm, <
/p>
然后将限速器固定其上
；
固
定后的限速器轮垂直度
≤0.5mm
，运行平稳、无
噪声；
A concrete base should
be fabricated.
Its lineal
length is 25
–
40mm longer
than that of
overspeed governor.
On the concrete base should
be fastened overspeed governor ,
and
verticality of overspeed governor sheave should
not exceed 0.5mm, and overspeed
governor should run steadily and
noiselessly.
限速器在底坑张紧装置距离地面
的距离（
H
）
:
高速电梯：
H≥750±50mm<
/p>
；
快速电梯：
H≥550±50mm
；低速电梯：
H≥400±50mm
。
Distance
between
tension
device
of
overspeed
governor
in
pit
and
floor
(H):
H≥750±50mm
for
high
-
speed
lift;
H≥550±50mm
for
fast
-
speed
lift;
H≥400±50mm
for
slow-speed lift.
在限速器投入使用前，张紧装置必须能够自由运动，安全触点
处于闭合位置，限速器钢丝
绳不得擦碰闸瓦，悬挂于两闸瓦中间。
Before
overspeed
governor
is
put
into
service,
tension
device
must
be
able
to
move
freely.
Safety contact is in closed
position; hanging between two brake linings, rope
of
U&D ELEV
ATOR ODBO
All rights are
reserved. Reproduction in whole or in part is
prohibited without the written consent
of the copyright owner.
未经许可，不得复制。
(CHINA)
电梯基础知识
Lift Know-how
No:
Date:
Page:
Original:
ITSA-TD-2044/01
2004/09/27
27
of
9
-
55
overspeed governor is not allowed to
touch neither of them.
9-3-4
厅门和门套的安装
How to mount landing door and door
jamb:
首先，从上样板架上标注的厅门两侧净宽和中心点处，悬挂铅垂线并固定在
下样板架上，
用导轨精校板作定位基准校正这三条铅垂线。
Plumbs should be suspended and fastened
on lower model frame from the net width of
landing door and central point signed
on model frame; three plumbs should be corrected
by means of rail fine-correction board.
9-3-4-1
厅门地坎的固定：用螺栓将厅门地坎与下门框
连接并固定在一起，将地坎中心对
准厅门口的中心铅垂线，
定位
后用
400
号以上水泥砂浆，
把地坎稳
固在井道内侧的牛腿上。
How to fasten
landing door sill: landing door sill is screwed
with lower door transom and
fastened;
sill
center
should
be
aligned
with
the
central
plumb
of
landing
door.
After
positing, slurry of above #400 will be
used and sill should be firmly fastened on
interior
●
地坎应高出
厅外装饰后的地平面
5
—
10mm
，并抹成
1/100
—
1/500
的斜坡，以防电梯厅
外水流入井道。
Sill should be 5-10mm higher
than decorated floor outside landing door;
besides, 1/100
–
1/500 ramp should be trimmed to prevent
water outside landing door from flowing into
well.
●
< br>地坎上表面水平度不应超过
1/1000
；
Horizontal degree of sill
surface: not exceeding 1/1000;
●
在砂浆注好阴干
72
小时后，方可进行下道工序。<
/p>
The following procedure
can’t be carried out until slurry is dried after
72 hours.
●
如果井道
没有做钢筋混凝土牛腿，应预埋
150×
300×
16
钢板三块（或用固定导轨支架的
膨胀螺栓固定钢
板）
，钢板上焊接一根长度长为层门口净宽
2
< br>倍，
75×
75
的角钢，再将地
坎用螺栓固定在角钢上
。
If fiber concrete nosing is not
fabricated in well, three pieces of
150×
300×
16 steel boards
should be pre-interred or fastened by
dowel bolts.
On
steel board is welded a piece of
75×
75 angle steel which is
twice the net width of landing door, then sill
should be bolted
to angle steel.
U&D ELEV
ATOR
ODBO
All rights
are reserved. Reproduction in whole or in part is
prohibited without the written consent
of the copyright owner.
未经许可，不得复制。
of
nosing.
(CHINA)
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