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GB/T 19154-2017: Building maintenance unit
Status: Valid GB/T 19154: Evolution and historical versions
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Building maintenance unit
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[GB/T 19154-2003] Permanently installed suspended access equipment
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Basic data | Standard ID | GB/T 19154-2017 (GB/T19154-2017) | | Description (Translated English) | Building maintenance unit | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J80 | | Classification of International Standard | 53.020.99 | | Word Count Estimation | 135,197 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-08-01 | | Older Standard (superseded by this standard) | GB/T 19154-2003 | | Quoted Standard | GB/T 700; GB/T 1591; GB/T2423.56; GB/T 3766; GB/T 3811; GB/T 4208; GB/T 5144; GB/T 5226.1; GB/T 5226.2-2002; GB/T 5972; GB/T 7932; GB/T 8918; GB/T 9969; GB/T 13306; GB/T 15706; GB/T 16754; GB/T 16855.1-2008; GB/T 16855.2; GB/T 19155-2017; GB/T 20062; GB 2 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the structure of the terms and definitions of the gondola, and the main parameters of the type, the general technical requirements, equipment, design calculations and mechanical stability, gondolas, lift mechanism, suspension, track, electrical and control systems, Test methods, inspection rules, signs, random files and so on. This standard includes the design of the track of the window and its supporting system, the relevant load requirements applied to the building structure, the safety requirements for the installation of the windows and the construction of the window. This standard covers the significant hazards associated with the operation of the window machine. This standard describes appropriate technical measures to eliminate or reduce significant hazards. The degree of risk of the windows and the risks involved in this standard shall be within the scope of this standard. This standard does not apply to: a) harsh and special working conditions (eg harsh | GB/T 19154-2017: Building maintenance unit---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Building maintenance unit
ICS 53.020.99
J80
National Standards of People's Republic of China
Replacing GB/T 19154-2003
Window cleaner
Published on.2017-07-12
2018-08-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Directory
Preface I
1 Scope 1
2 Normative references 2
3 Symbols, Codes, Abbreviations, Terms and Definitions 2
4 Type and main parameters 9
5 General technical requirements 14
6 Equipment Structure, Stability, and Mechanical Design Calculations 19
7 Gondolas 33
8 Lifting mechanism 42
9 Suspension device 49
10 Track 54
11 Electrical System, Control System 55
12 Test methods 58
13 Inspection Rules 62
14 Logo 65
15 Random file 67
Appendix A (Normative) Gondola Test 73
Appendix B (Normative Appendix) Lifting Mechanisms and Backup Devices Test 77
Appendix C (Normative Appendix) Suspension Test 81
Appendix D (normative) Description of the form of loads imposed on equipment and building structures 83
Appendix E (Informative) Constraint Analysis 86
Appendix F (Normative) Wireless Control System Requirements 88
Appendix G (Normative) Design Requirements for Tracks, Suspended Monorails and Support Systems 90
Appendix H (Normative) Slide Window Window Cleaner 109
Appendix I (Informative) Record Table 120
Appendix J (Informative) Symbols, Codes, Abbreviations 125
References 131
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 19154-2003 "Window polisher", compared with GB/T 19154-2003, the main technical changes are as follows.
a) Add the assumptions of this standard, etc. to "Scope" (see Chapter 1);
b) Add "building maintenance equipment", "sustained suspension access equipment", "qualified personnel", "operator", etc. to "terms" and "definitions"
Language and definitions (see 3.2);
c) The following changes have been made to the type and main parameters (see Chapter 4).
1) Increased the type of slide window wiper;
2) The main parameter has been increased by "630" and "1000";
3) Added a typical window wiper icon.
d) The operating speed of each agency is modified to 18m/min (see 5.3.2);
e) The noise of the window wiper is modified to 79dB(A) (see 5.3.3);
f) modified the reliability classification of the window wiper (see 5.3.4);
g) increase the scrap of structural parts (see 5.4);
h) increased safety requirements and measures (see 5.5);
i) The original standard structural safety factor requirements, wind load design requirements, etc. were revised to include. equipment structure, stability and mechanical design requirements.
The following changes were made to the contents of the original standard (see Chapter 6).
1) Added an overview;
2) increase the content of allowable stress;
3) Increased design load and force content;
4) Added the content of the design load of the gondolas;
5) Added suspension device calculations;
6) Increased the calculation of wire ropes;
7) Added content of constraint system calculations;
j) modified the contents of the gondola (see Chapter 7);
k) revised the content of the lifting organization (see Chapter 8);
l) revised the contents of the trolley, rail crawler, and jib (see Chapter 9);
m) modified the contents of the orbit (see chapter 10);
n) modified the contents of the electrical control system (see Chapter 11);
o) modified the content of the test method (see Chapter 12);
p) modified the contents of the inspection rules (see chapter 13);
q) Changes to the mark, etc. (see Chapter 14);
r) modified acceptance, inspection, operation and maintenance (see chapter 15);
s) Added Appendix A, Appendix B, Appendix C, Appendix D, Appendix E, Appendix F, Appendix G, Appendix H, Appendix J.
This standard is proposed by China Machinery Industry Federation.
This standard is under the jurisdiction of the National Lift Working Platform Standardization Technical Committee (SAC/TC335).
This standard is drafted by. China Academy of Building Research Institute of Construction Mechanization.
Participated in the drafting of this standard. China Construction Machinery Association Decoration and Aerial Working Machinery Branch, Beijing Kaibo Window Cleaning Machinery Technology Company,
Shenyang Jianzhu University, Shanghai Pu Intetsu High-level Equipment Co., Ltd., Shanghai Dak Tai Machinery Equipment Technology Co., Ltd., National Construction Engineering
Quality Supervision and Inspection Center, Shandong Provincial Academy of Building Sciences, Chang'an University, Shanghai Academy of Building Research (Group) Co., Ltd., Shanghai
Construction Machinery Testing Center, Shenxi Machinery Co., Ltd., Shanghai Hongkou Construction Machinery Co., Ltd., Wuxi Little Swan Construction Machinery Co., Ltd.
Boyu (Wuxi) Technology Co., Ltd., Zhongyu Bo Machinery Manufacturing Co., Ltd., Xiongyu Heavy Industry Group Co., Ltd., and Zhongjian United (North)
(Beijing) Technology Co., Ltd., China Construction Education Association Construction Machinery Vocational Education Professional Committee.
The main drafters of this standard. Xue Baoxin, Huo Yulan, Zhang Hua, Wu An, Lan Yangchun, Zhang Jingxiong, Zheng Xijian, Dong Wei, Cao Enqin, Wang Feng,
Tian Huaqiang, Wang Jin, Mu Minghao, Tang Kunlin, Wu Jie, Zhu Weiguo, Jin Huichang, Du Jingming, Yu Huiye, Gao Zhipeng, Xie Renhong, Xie Jiaxue, Liu Yafeng,
Wang Ping.
The previous versions of the standard replaced by this standard are.
--- GB/T 19154-2003.
Window cleaner
1 Scope
This standard specifies the terms and definitions, types and main parameters of the window wiper, general technical requirements, equipment structure, stability and mechanical design
Calculations, gondolas, hoisting mechanisms, suspensions, tracks, electrical systems and control systems, test methods, inspection rules, signs, random documents, etc.
This standard includes the design and calculation of the track and its support system of the window wiper, and the relevant load applied to the building structure by the wheel loader.
Regulations, installation of window cleaners and safety requirements for buildings and structures.
This standard includes significant risks associated with the operation of window cleaners. This standard describes the appropriateness of eliminating or reducing the occurrence of significant risks.
Technical measures.
The window wiper and the degree of danger involved in this standard need to be within the scope of this standard.
This standard assumes the following conditions.
a) The manufacturer or supplier must work with the purchaser or employer under specific local installation conditions and desired functions and requirements
Negotiation;
b) A risk analysis has been done for each assembly part of the window wiper machine and the rules developed are based on this assumption;
c) The basic safety requirements for the components of this standard are.
● Design according to all failure modes and calculation rules of the current engineering practice;
● Have reliable mechanical and electrical processing manufacturing capabilities and means;
● Have sufficient strength and proper material manufacturing;
● No visual defects;
d) do not use harmful materials such as asbestos;
e) The equipment maintains a good working condition;
f) Any mechanical device that is well processed and produced in accordance with this standard will not be damaged without danger to the point of danger
degree;
g) working environment temperature range between -10°C~ 55°C;
h) The structure of the window wiper installed shall have sufficient strength to withstand the expected load.
This standard applies to power-driven or manual window cleaners for buildings or structures.
This standard does not apply to.
a) harsh and special working conditions (such as harsh environmental conditions, corrosive environments, strong magnetic field environments);
b) work under specific rules (eg in explosive atmospheres, live work);
c) transport personnel from one floor to another;
d) Handling dangerous goods (such as molten metals, acidic substances, radioactive substances, fragile items);
e) suspended gondolas on cranes;
f) silo maintenance equipment;
g) equipment for the direct suspension of suspended boats using chains;
h) equipment for suspending suspended gondola directly using fibre ropes;
i) Equipment for underground operations;
j) equipment for well operations;
k) equipment directly driven by an internal combustion engine;
l) Automatic window cleaning robot.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 700 carbon structural steel
GB/T 1591 low alloy high strength structural steel
GB/T 2423.56 Environmental testing for electric and electronic products Part 2. Test methods Test Fh. Broadband random vibration (digital control
System) and guidelines
General rules and safety requirements for GB/T 3766 hydraulic drive systems and their components
GB/T 3811 crane design specification
GB/T 4208 enclosure protection (IP code)
GB 5144 tower crane safety regulations
GB 5226.1 Mechanical electrical safety machinery electrical equipment Part 1. General technical conditions
GB 5226.2-2002 Safety equipment for mechanical machinery-Part 32. Technical conditions for lifting appliances
GB/T 5972 crane wire rope maintenance, maintenance, inspection and scrap
GB/T 7932 General Specifications for Pneumatic Systems
GB/T 8918 important use wire rope
GB/T 9969 Instruction Manual for Industrial Products
GB/T 13306 signage
GB/T 15706 General principles of mechanical safety design Risk assessment and risk reduction
GB/T 16754 mechanical safety emergency stop design principles
GB/T 16855.1-2008 Safety control system for machinery-related safety components - Part 1. General rules for design
GB/T 16855.2 Safety-related parts of machinery safety control systems. Part 2. Confirmation
GB/T 19155-2017 high altitude operation basket
GB/T 20062 Noise Limits and Measurement Methods for Mobile Crane Operation
GB 24543 fall protection safety rope
JB/T 9005.1 Casting pulley rope groove section for crane
3 Symbols, Codes, Abbreviations, Terms and Definitions
3.1 Symbols, Codes, Abbreviations
Symbols, codes, abbreviations in Appendix J.
3.2 Terms and Definitions
The following terms and definitions apply to this document.
3.2.1
Standing suspension close to the device permanently installedsuspendedaccessequipment
Permanent suspension access equipment for the cleaning and maintenance of windows and exterior walls of buildings or structures.
Note 1. The window polisher usually consists of a suspension device and a gondolas. Suspension devices are usually equipped with a lifting mechanism, on a track or a suitable running surface (such as concrete
Road) consisting of trolleys that walk on.
NOTE 2 Suspension monorails equipped with rail-trackers or other suspension devices (such as lances) attached to buildings are part of the window wiper and are usually connected to the gondola.
3.2.2
Qualified personnel competentperson
After training, with qualified knowledge and practical experience, received the necessary guidance, and the ability to complete the required work safely
personnel.
3.2.3
Operator operator
After high-level training, with qualified knowledge and practical experience, he has received necessary guidance and has the ability to operate the window cleaner safely.
Designated person.
3.2.4
Hoisting hoist drumhoist
A single-layer or multi-layer wire rope is wound on a reel, and a mechanism for driving the hoisting boat up and down by means of a reel driving wire rope is adopted.
3.2.5
Climbing type lifting mechanism tractionhoist
The mechanism for driving the wire rope up and down by means of the frictional force between the steel wire rope and the driving sheave, no force is exerted on the tail end of the wire rope.
3.2.6
Twin winch winch twincapstandrumhoist
A hoisting mechanism consisting of a multi-spool winding winch type drum and a rope take-up device. The winch type drum driving wire rope makes the hoisting boat run up and down.
The rope trap tightens and stores the wire rope from the drum.
3.2.7
Clamp-type hoisting mechanism jawoperatedtractionhoist
The lifting mechanism of the traction device is composed of two pairs of clamps.
3.2.8
Prime mover primemover
Lifting mechanism power sources (such as motors, hydraulic motors, air motors, and hydraulic cylinders).
3.2.9
Rated speed ratedspeed
The average of the ascents and descents measured with a rated load on a suspended loader with a rated load and with a rated power of more than 10 m.
speed.
3.2.10
Main brake brake-primary
Relies on stored energy (such as spring force) to apply force automatically until external force (usually electromagnetic force,
Hydraulic pressure, aerodynamic force) to release the mechanical brake.
3.2.11
Backup device secondarydevice
Equipment to stop the descent of the gondola (eg safety lock, backup brake) in case of emergency (eg breakage of the working wire rope or failure of the lifting mechanism)
Etc.)
3.2.12
Fall arrest device facadeddevice
Safety lock safetylock
A device that acts directly on the safety wire rope and automatically stops and maintains the position of the suspended boat.
3.2.13
Backup brake brake-secondary
Acting directly on the drum or drive disc, drive shaft end, which automatically stops and maintains the position of the suspended boat.
3.2.14
Anti-tilt device
Means to detect and prevent the gondola from tilting in the longitudinal direction beyond a preset angle.
Note. The horizontal direction along the width of the gondolas (vertical elevation direction) and the longitudinal direction along the gondolas.
3.2.15
Unpowered descent device unpowereddescent
The power-driven gondolas can control the manual drop of the gondolas in the event of power loss.
3.2.16
Hand lever/hand wheel/handle manuallever/wheel/handle
An operating device in a hoisting mechanism that can manually raise or lower a gondola.
3.2.17
Rope winder
Reel for winding wire ropes.
3.2.18
Cable reel cablereeler
A reel for winding a storage cable.
3.2.19
Lifting mechanism work cycle (for test purposes only) hoistoperationcycle(fortestpurposesonly)
The cycle consists of the minimum vertical distance of ascent and descent. This distance is one of the following.
a) Climbing-type lifting mechanism, clamp-type lifting mechanism. the wire rope passes through all relevant components and the pulley block and the rope-receiving device;
b) Hoisting hoisting mechanism. The rope is wound 4 times on the drum via closely related pulley sets.
3.2.20
Lifting mechanism platform-mountedhoist installed in a gondolas
A mechanism for lifting and lowering a suspended gondola installed in a gondola. This mechanism is usually a climbing type lifting mechanism or a clamping type lifting mechanism.
3.2.21
Suspension Mounted Lifting Mechanism suspensionrig-mountedhoist
A mechanism for lifting and lowering a gondola mounted on a roof suspension device such as a trolley.
3.2.22
Material (auxiliary) lifting mechanism materials (auxiliary) hoist
A mechanism for lifting and lowering materials that is mounted on a suspension device, such as a trolley, independently of a gondolas.
3.2.23
Overload detection device overloaddetectiondevice
When the load hanging on the wire rope reaches the operation limit value, the device for detecting the lifting movement of the suspending vessel can be detected and automatically stopped.
3.2.24
Operating limit value tripppinglimit
Static load that causes the overload detection device to operate.
3.2.25
Suspended suspended boat suspendedplatform
Suspended in the air by wire ropes, surrounded by hoardings or stencils for working equipment carrying operators, tools and materials (referred to as
ferry").
3.2.26
Single-hung point gondolas singlepointsuspendedplatform
A gondolas connected by a wire rope to a suspension point. See Figure 7.
3.2.27
Double-lift point gondola doublepointsuspendedplatform
A gondolas connected by a wire rope to two suspension points. See Figure 6.
3.2.28
Multi-hit point gondolas multi-point suspended platform
Non-articulated gondolas connected by wire ropes to 3 or more suspension points.
3.2.29
Cantilevered cantileveredplatform
The floor plate extends beyond the suspension point of the gondolas. See Figure 11.
3.2.30
Suspended chair with suspended chair
Attached to a suspension point by a wire rope for single-use seats. See Figure 8 and Figure 17.
3.2.31
Constraint system restraint system
A system for connecting a gondolas to a vertical rail or anchor restraint point of a building to limit the horizontal and vertical movement of the gondolas under the action of wind
swing.
3.2.32
Work rope restraint system suspendedwireroperestraintintsystem
A series of vertically-arranged connection points installed on the building, which are connected to the grommet on the rope to guide the gondolas when descending.
Connect (see Figure 18).
3.2.33
Connection point connectionpoint
The point of attachment to a working wire rope (and/or safety wire rope) on a gondolas or suspension seat.
3.2.34
Manual gliding performance hand-operatedslippingdropcharacter
Manually release the main brake of the hoisting mechanism, relying on the load in the gondolas and its own weight, the function of making the gondolas descend at a constant speed at a controlled speed.
3.2.35
Crash bar cradletripbar
The gondola operates downwards (or upwards), and when it hits an obstacle, it can automatically cut off the device that runs power downwards (or upwards).
3.2.36
Natural ground level naturalgroundlevel
Determine the height of the gondola or the datum plane of the restraint system.
3.2.37
Working height workingheight
The vertical distance between the highest point of the gondola operation and the natural ground plane.
3.2.38
Total suspension load totalsuspendedload
Tsl
The static load applied to the suspension point of the suspension device, the rated load of the suspended vessel and the weight of the gondolas, ancillary equipment, wire ropes, and cables.
composition.
3.2.39
Rated load capacity
Rl
The maximum working load consisting of operators, tools, and materials that a gondolas designed by the manufacturer can withstand.
3.2.40
Working load limit workingloadlimit
Wl
The maximum load that a part of its equipment designed by the manufacturer is allowed to withstand.
3.2.41
Work coefficient workingcoefficient
The ratio of the maximum load a part of a device or equipment designed by a manufacturer is allowed to bear to its specified limit working load.
3.2.42
Test coefficient testcoefficient
A part of the equipment or equipment designed by the manufacturer for the load used for static or dynamic load tests and its marked limit working load
ratio.
3.2.43
Static load test statictest
The test procedure is. Inspect the equipment or part of the equipment and apply the same to the limit working load multiplied by the corresponding static load test factor.
The load, after unloading, recheck the equipment to confirm if there is any damage.
3.2.44
Dynamic test dynamictest
The test procedure is. a part of the equipment or equipment under the load of the extreme working load multiplied by the corresponding dynamic load test coefficient, for all
Possible configurations Perform operational observations on dynamic load characteristics to check that the equipment and its safety devices are normal.
3.2.45
Hoisting cycle hoistingcycle
The process by which the gondolas begin to rise from the ground (or the roof is lowered) and return to the starting point.
3.2.46
(wire rope) safety factor (of steelwirerope)
The ratio of the minimum breaking force of the wire rope to the maximum static tensile force at work.
3.2.47
(Wire rope) Minimal breaking tension minimumbreakingload(ofsteelwirerope)
The manufacturer confirms the minimum breaking load of the wire rope.
3.2.48
Working rope suspensionrope
Hanging wire rope
The wire rope that bears the hanging load.
3.2.49
Safety rope secondaryrope
Reserve wire rope
Usually does not bear the hanging load, equipped with anti-falling device wire rope.
3.2.50
Single action rope suspension system singleactiveropesuspensionsystems
The two wire ropes are fixed in the same suspension position, one for the suspension load and the other for the safety wire rope.
Note. This hoisting system is used in the hoisting mechanism installed in the gondolas.
3.2.51
Double acting rope suspension system doubleactiveropesuspensionsystems
The two wire ropes are fixed in the same suspension position and each bears part of the suspension load.
Note. The suspension system is equipped with a hoisting hoist mechanism.
3.2.52
Suspension device suspensionrig
Equipment used for suspending a gondola as part of the equipment (excluding rail systems).
3.2.53
Trolley troley
Mounted with a walking wheel can walk on the track (or a special rigid surface) to support the device of the suspended boat. See Figure 14.
3.2.54
Crawlers traversetroley
Mounted with a walking wheel that can walk along the hanging track for suspending the device of the gondola.
3.2.55
Suspension point suspensionpoint
The suspension device is used to independently fix the set position of the wire rope, guide pulley or lifting mechanism.
3.2.56
Pivot point pivotpoint
The fulcrum point in the double-acting wire rope suspension system that forces the two working wire ropes to be evenly distributed.
3.2.57
Fulcrum fulcrum
Calculate the point or line of the balance moment of the suspension.
3.2.58
Stability coefficient
The coefficient multiplied by the overturning moment.
3.2.59
Inside part inboard portion
Suspension from the fulcrum towards the interior of the building.
3.2.60
Outer part outboard portion
Suspension from the fulcrum toward the outside of the building.
3.2.61
Counterweights
A weight mounted on the suspension to balance the overturning moment.
3.2.62
Intercept bar davit
An installation anchored to a roof or similar static structure for hanging working ropes and safety ropes (see Figure 15).
3.2.63
Track railtrack
A device installed on a building (or facade) on a building or structure to support and guide a trolley (or railtracker).
3.2.64
Rail support railtracksupport
A pillar or cantilever that supports a track on a roof or facade.
3.2.65
Sleeper sleeper
The roof layer is used to support the track of concrete beams or steel structural beams.
3.2.66
Guide rail guiderail
It is usually installed on the roofing layer to guide the track where the suspension device (such as a trolley) walks.
Note. This type of guide rail is often used for wheel-mounted window cleaners.
3.2.67
Monorailtrack for monorail suspension
The cantilever is usually mounted on the facade or the lower part of the building, and is subjected to a suspended load and guides a track on which a suspension device (such as a rail crawler) walks.
See Figure 16.
3.2.68
Lifting lifting
Promote
The operation of moving the gondola to a higher level.
3.2.69
Falling lowering
The operation of moving the gondola to a lower level.
3.2.70
Gondola Slewing Platform Rotation
The horizontal rotation of the gondolas around their vertical axis.
3.2.71
Suspension device swivel suspensionrigslewing
The horizontal rotation of the suspension about the vertical axis.
3.2.72
Walking traversing
The movement of the trolley (or rail tracker) along the track.
3.2.73
Pitching luffing
The boom rotates up and down around a horizontal axis and is used to position the gondolas.
3.2.74
Boom telescopic jibtelescoping
The arm is extended or retracted for the positioning of the gondolas.
3.2.75
Boom jibslewing
Rotation of the jib with respect to the center of rotation for the positioning of the gondolas.
3.2.76
Limit device over-rundevice
A device that limits the movement of a moving part or device beyond a preset limit position.
3.2.77
Symbol convention signconvention
The positive direction of the cross-sectional axis is shown in Figure 1.
Figure 1 Symbol convention
4 type and main parameters
4.1 Type
According to the installation method, it can be divided into roof track type, wheel load type, suspension track type, plunger type and slide type.
Note. The slide-type window wiper is a non-wire rope suspension approach device, but its function is basically the same as the suspension appro...
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