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GB 19154-2003Building maintenance unit (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Mandatory

Issue date

July 12, 2017

Implementation date

August 1, 2018

Scope

GB 19154-2003 (Building maintenance unit) is available as an English-translated PDF.

GB 19154-2003 — 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.

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Document preview — GB 19154-2003

National Standard of the People's Republic of China

ICS: 53.020.99
Classification: J 80
Replacing: GB/T 19154-2003

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Symbols, Codes, Abbreviations, Terms and Definitions
4 Type and main parameters
5 General technical requirements
6 Equipment Structure, Stability, and Mechanical Design Calculations
7 Gondolas
8 Lifting mechanism
9 Suspension device
10 Track
11 Electrical System, Control System
12 Test methods
13 Inspection Rules
14 Logo
15 Random file
Appendix A (Normative) Gondola Test
Appendix B (Normative Appendix) Lifting Mechanisms and Backup Devices Test
Appendix C (Normative Appendix) Suspension Test
Appendix D (normative) Description of the form of loads imposed on equipment and building structures
Appendix E (Informative) Constraint Analysis
Appendix F (Normative) Wireless Control System Requirements
Appendix G (Normative) Design Requirements for Tracks, Suspended Monorails and Support Systems
Appendix H (Normative) Slide Window Window Cleaner
Appendix I (Informative) Record Table
Appendix J (Informative) Symbols, Codes, Abbreviations
References

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).

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,, 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

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 Lifting mechanism power sources (such as motors, hydraulic motors, air motors, and hydraulic cylinders).

3.2.9

Rated speed 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 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 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 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 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 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 Determine the height of the gondola or the datum plane of the restraint system.

3.2.37

Working height 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

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 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 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 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 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 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 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

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

The roof layer is used to support the track of concrete beams or steel structural beams.

3.2.66

Guide rail 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

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...

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 131 pages — is available in the English PDF.

Referenced standards

Normative references

GB 5226.1 · GB 5226.2-2002 · GB/T 8918

Cited by

GB/T 33504-2017Mobile suspended work platform

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