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GB 27695-2011 English PDF

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GB 27695-2011: Safety rules for automobile lift
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GB 27695-2011English439 Add to Cart 4 days [Need to translate] Safety rules for automobile lift Valid GB 27695-2011

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Standard similar to GB 27695-2011

GB/T 24818.4   GB/T 23724.1   GB/T 24809.2   GB/T 27697   GB/T 27697   GB/T 27696   

Basic data

Standard ID GB 27695-2011 (GB27695-2011)
Description (Translated English) Safety rules for automobile lift
Sector / Industry National Standard
Classification of Chinese Standard J80
Classification of International Standard 53.020.99
Word Count Estimation 19,154
Date of Issue 2011-12-30
Date of Implementation 2012-12-01
Quoted Standard GB 2893; GB/T 3323; GB/T 3811-2008; GB 4208; GB/T 4842; GB/T 5117; GB/T 5118; GB 5226.2-2002; GB/T 5293; GB/T 5972; GB/T 6074; GB/T 8110; GB/T 12470; GB 15052; GB/T 19418; GB/T 20118; GB 50054; HG/T 2537; JB/T 6061; JB/T 6062; JB/T 10559; JT/T 155
Regulation (derived from) Announcement of Newly Approved National Standards No. 22 of 2011
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 Chinese standard specifies the car lift design, manufacture, installation, use, maintenance, and inspection of scrap and other basic safety requirements. This standard applies to car repair, the power source for the hydraulic transmission, mechanical transmission car lift.

GB 27695-2011: Safety rules for automobile lift

---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.
Safety rules for automobile lift ICS 53.020.99 J80 National Standards of People's Republic of China Car Lift Safety Regulations Issued on. 2011-12-30 2012-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 metal structure 1 3 4 main parts 5 Hydraulic System 3 6 Electrical 4 7 Control and operating system 4 8 4 Electrical Protection 9 Security guard 6 10 car lift nameplate, safety signs 7 11 car lift Job Manager 7 Select 12 workers, responsibilities and basic requirements 8 13 Security 9 Choice car lift 14 10 15 10 car lift settings 16 car lift installation (or removing) 10 17 car lift operation 11 18 inspection, testing and maintenance 11 References 14

Foreword

This standard 3.1,3.3,3.4,4,5.1,5.4,5.8,5.9,5.10,6.1,6.2,6.4,7.4,7.5,7.6,8.2,8.3,8.4,8.5, 8.6,8.7,9,10,13.2,13.3,15.2,16.2,17,18 mandatory provisions, other provisions are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee crane (SAC/TC227) centralized. This standard is drafted by. Chongqing special equipment quality and safety testing center, lifting the transport machinery national quality inspection center. Participated in the drafting of this standard. Jiang Hangfei Machine Equipment Co., Ltd. Hefei, Qingdao Jinhua Industrial Group Co., Ltd., Guangzhou City Transit Cars Equipment Co., Ltd., Fenghua City, South Machinery Manufacturing Co., Gaochang hydraulic Guangzhou Electrical and Mechanical Technology Co., Ltd., Yantai Pentium automotive testing dimension Repair Equipment Manufacturing Co., Ltd. Yingkou vigorously Qibaoshebei. The main drafters of this standard. Deng Mingxu, Bicheng Lin, Bianshu Jun, Zou Dingdong, Pangxiao Li, Hung Yi, Hao Yonggang, Zhao Shichang, Jin Lei, Li, Zhu Asian power, high Changping, Chen Kuo-fu, cases of this legislation, Long Rongzhi, Zhang Li Yong. Car Lift Safety Regulations

1 Scope

This standard specifies the vehicle lift design, manufacture, installation, use, maintenance, and inspection of the basic safety requirements and other aspects of retirement. This standard applies to car repair with a power source for the hydraulic drive, mechanical drive car lift.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 2893 Safety colors GB/T 3323 metal fusion welded joints radiography GB/T 3811-2008 crane design specifications GB 4208 housing protection (IP Code) GB/T 4842 Ar GB/T 5117 carbon steel electrode GB/T 5118 Low Alloy Steel Electrode GB 5226.2-2002 Safety of machinery - Electrical equipment - Part 32. Requirements for hoisting machines GB/T 5293 carbon steel submerged arc welding wire and flux GB/T 5972 crane wire rope maintenance, maintenance, installation, examination and discard GB/T 6074 plate chain, connecting ring and groove wheel size, measuring forces and tensile strengths GB/T 8110 gas shielded arc welding of carbon and low alloy steels GB/T 12470 low alloy steel submerged arc welding wire and flux GB 15052 Safety signs and hazard pictorials - General symbols GB/T 19418 steel welding joint quality levels for imperfections GB/T 20118 General Purpose Wire Rope GB 50054 low voltage power distribution design specifications HG/T 2537 carbon dioxide welding JB/T 6061 NDT welds - Magnetic particle testing JB/T 6062 Non-destructive testing of weld penetration detection JB/T 10559 crane NDT ultrasonic testing of steel welds JT/T 155 Car Lift

3 metal structure

3.1 Design Requirements 3.1.1 Car lift metal structure design, selection of materials should be reasonable, structure type and structural measures to meet the structural members in the transport, security Installation and use of the intensity (including fatigue strength), stability, rigidity and safety-related requirements. 3.1.2 In the metal structure design documents, should be specified steel grades, model connecting material, the main component of the force should also be noted for steel The required mechanical properties, chemical composition and other additional assurance project. In addition, the form should indicate the required weld, weld quality grade. 3.2 Material Car lift force mainly by the steel members should be selected in line with the provisions of GB/T 3811-2008 in the 5.3.1.1. 3.3 structural welding requirements 3.3.1 structural welding materials shall meet the following requirements. a) Electrode type corresponding to the main mechanical properties of the metal used in manual welding to adapt, and should be consistent with GB/T 5117 or GB/T 5118 Provisions; wire shall comply with GB/T 8110 or GB/T 5293's; b) automatic or semi-automatic welding using welding wire and flux corresponding with the body should adapt the mechanical properties of the metal, should be consistent GB/T 5293 and the relevant provisions of GB/T 12470; and c) argon gas welding should comply with the provisions of GB/T 4842; the carbon dioxide gas used should be consistent HG/T 2537 Provisions. 3.3.2 Car Lift the main force member and full penetration of fusion welded joints connected thereto weld rating shall comply with JB/T 10559 The weld grades 1,2,3 for grading. 3.3.3 Inspection of Weld Internal Defects shall meet the following requirements. a) weld will be 100% inspection. Which the qualified when using ultrasonic test level should reach JB/T 10559 in Class 1 Weld acceptance criteria requirements. The ray examination should reach the required GB/T 3323, which is not less than the qualified level Ⅱ grade. b) Level 2 sampling weld can be depending on the circumstances, when the qualified ultrasonic test their level should reach JB/T 10559 in Level 2 weld acceptance criteria requirements. The ray examination should reach the required GB/T 3323, which should not be the qualified rating Lower than Ⅲ grade. c) Level 3 Weld sampling in accordance with specific circumstances, when using ultrasonic inspection qualified its assessment level should reach JB/T 10559 in Level 3 weld acceptance criteria requirements. 3.3.4 The magnetic particle inspection shall comply with JB/T 6061, the penetrant inspection shall comply with JB/T 6062's. There should be one of the following conditions Surface inspection. a) visual inspection of suspected crack; b) the design document. 3.3.5 steel welding joint quality defect classification should meet the following requirements. a) Level 1 arc weld steel joint defect quality classification should be consistent with GB/T 19418 Class B; b) Level 2 Arc weld steel joint defect quality classification should be consistent with GB/T 19418 C-Class; c) Level 3 arc weld steel joint defect quality classification should be consistent with GB/T 19418 D-class. 3.4 repair and scrap metal structures 3.4.1 The main force member loses overall stability should not be repaired, should be scrapped. 3.4.2 The main force component corrosion, should be checked and measured. When 10% of the main force member section of the design thickness of corrosion When, if not repaired, it should be scrapped. 3.4.3 The main force member is a crack, the forces should be taken to prevent and crack the case of measures taken to strengthen or change and stress points Cloth measures or discontinue use. 3.4.4 The main force component due to plastic deformation, so that institutions can not work properly for safe operation, if not repaired, should be scrapped.

4 main components

4.1 Rope 4.1.1 Car Lift lifting and balancing rope should not be lower than the performance of wire rope GB/T 20118 regulations, lifting wire rope A safety factor of not less than 7, balance wire rope safety factor of not less than 5. 4.1.2 fixed and the connection strength of wire rope ends should reach a minimum wire rope breaking force. 4.1.3 Rope maintenance, maintenance, installation, inspection, scrap shall comply with the relevant provisions of GB/T 5972's. 4.2 Chain 4.2.1 The use of car lift chain, the chain should not be lower than the performance of GB/T 6074 regulations, the safety factor of not less than 5. 4.2.2 one of the following occurs when the chain, should be scrapped. a) crack; b) chain elongation amounted to 1.5% of the original length; c) chain and hole diameter wear volume of 5% of the original diameter; d) chain plate thickness and width of the wear volume of 10% of the original thickness and width. 4.3 Pulley 4.3.1 shall be provided to prevent the rope pulley rope grooves prolapse device or structure. In the side and circular top plate, etc. with the pulley sheave cover body The gap should not exceed 0.5 times the diameter of the wire rope. 4.3.2 manpower accessible pulleys, pulley should be set casing. 4.3.3 Lifting with pulley diameter wire rope diameter ratio should be greater than 18. 4.3.4 pulleys of the following cases occurs, should be scrapped. a) affect the performance of surface defects (eg. cracks, etc.); b) round groove uneven wear of 3mm; c) wheel wear groove wall thickness of the original wall thickness of 20%; d) due to wear the wheel diameter of the groove bottom 50% reduction in capacity of the wire rope diameter. 4.4 nut and screw One of the following occurs, should be scrapped. a) crack; b) the thread break; c) wear the thread pitch of up to 5% deformation; d) compression screw having an outer diameter greater than 1000.0.6 bus straightness tolerance, and over the entire length of the rod length 4000.1.

5 Hydraulic System

5.1 hydraulic system should have safety devices to prevent excessive load and impact. When using relief valve, relief valve setting should not exceed the maximum working pressure System rated working pressure of 1.1 times, at the same time should not exceed the rated pressure of the hydraulic pump. 5.2 hydraulic system should meet the cleanliness requirements of hydraulic components for the media filter or other means to prevent oil pollution. 5.3 hydraulic system hydraulic oil should be in accordance with the requirements of equipment specification, selection according to environmental conditions; maximum and minimum oil level in the tank should be Obviously the oil level mark. When the hydraulic system, the maximum temperature rise of the hydraulic oil must not affect the safety performance. 5.4 exhaust hydraulic system should be set at the appropriate site. 5.5 hydraulic lift system gives the car can decrease power apparatus should be set. 5.6 in the system should be set in place and indicate the pressure sensing point in the hydraulic system schematic. 5.7 should take effective measures to prevent falling into the dirt in the hydraulic system assembly, installation, maintenance and repair process, the degree of contamination shall comply with instructions for use Provisos. 5.8 together with their hydraulic steel end fittings, the safety factor burst pressure to design working pressure of not less than 2.5. 5.9 hydraulic hoses together with their end parts, the safety factor burst pressure to design working pressure of not less than 4. 5.10 hydraulic cylinder and valve port (for example. protection valve) welding or assembly between the connector burst pressure to design working pressure safety factor The number of not less than 2.5.

6 Electrical

6.1 Power off Lift car lift should be installed off the main power supply switch. The power switch can be isolating switches, and electrical switches for use with isolators, circuit breaker with isolation function. The above three types The power switch should be in line with GB 5226.2-2002 5.3.2,5.3.3 requirements. 6.2 Total breaker Total power circuit breaker should be set to the total, which should be greater than the rated current car lift rated current, the current setting should be greater than cars Lift the maximum operating current. Arc breaking capacity of the circuit breaker should be able to disconnect the total short-circuit current occurs on the lift car. 6.3 power supply contactor Power supply circuit should be able to set breaking contactor power lines. 6.4 Emergency stop switch Each lift car shall be provided with an emergency stop switch function, the switch can not be reset automatically.

7 Control and operating system

7.1 Control and operating systems designed and arranged as to avoid the possibility of misuse, to ensure the normal use of the car lift in energy security Full reliable operation. 7.2 Control and operating system shall be arranged so that the operator of the vehicle lift and the work area to complete an adequate view of the operation. 7.3 operating lever or button should be placed at the operating personnel can operate convenient location. Application control and operation means clear text or code Indicate its function (eg use, etc.). 7.4 means for controlling the operation voltage should not exceed 36V. 7.5 operating device to control the rise and fall for the purpose, should be used "hands off the stop" approach. 7.6 points for the use of a plurality of operation control to control a vehicle lift should have electrical interlock function at any given time only allowed Xu operating a control point job. Each control point should operate an emergency stop switch.

8 Electrical Protection

Motor protection 8.1 The motor should have one or more of the following protective function, motor and control specific choice should be determined. a) instantaneous or inverse time overcurrent protection operation, the instantaneous operating current value should be about maximum motor starting current 1.25 times; b) with thermal overload protection. 8.2 Line Protection All lines should have overcurrent protection short circuit or ground caused by a short circuit in the wiring or the ground, the transient protection devices should be able to Breaking the line. For smaller wire cross-section, a long line of external control lines or auxiliary lines, when the ground is expected to reach the current Tripping current Value should be added to the thermal trip function to ensure that the wires will not be insulated grounding caused by burning. 8.3-phase and phase protection When the phase error and lack of encounters dangerous, should be set out of phase and phase protection. 8.4 voltage protection When the vehicle lift the power supply interruption, or security involving not automatically turn on electrical equipment should be in the off state, to avoid recovery After re-powered electrical equipment automatically. 8.5 Grounding 8.5.1 Designers should be designed with different grid forms for different types of ground-fault protection, responsible for the implementation by the user. Ground fault protection Care should be consistent with the relevant provisions of GB 50054. Metal Structure 8.5.2 Car Lift the body should be reliable connection to the protective conductor of the supply line. 8.5.3 car lift all electrical equipment enclosures, metal conduit, metal frame and metal trough shall be conducted by a reliable distribution network Grounding (protective earth or protect access to zero). 8.5.4 prohibited (except electrical system voltage is safe voltage) with a car lift metal structures and ground line as a carrier neutral. 8.5.5 In each incoming supply point, the external protective conductor terminal shall be used to indicate the letters PE. Protective conductor terminal elsewhere should make With graphic symbols or letters PE, or yellow/green color combination mark. 8.5.6 When the protective conductor only color logo, use yellow/green color combination on the lead the entire length. If the protective conductor can be easily their Shape, location or structure (such as braided wire) identification, or insulated wires is difficult to buy, do not use wire color code on the entire length. but It should be clearly marked with the symbol illustrated or yellow/green color combination labeled on the ends or accessibility site. 8.5.7 to protect access to zero system, car lift repeated grounding of the grounding resistance should not be greater than 10Ω. For protective earthing system Ground resistance should not exceed 4Ω. 8.6 Insulation resistance Between circuits and exposed conductive parts of applied 500V measured insulation resistance of not less than 1MΩ. For components can not withstand the test voltage specified (such as semiconductor elements, capacitors, etc.), the test should be shorted. After the test, By visual inspection of electrical test, it should not affect the continued use of the changes. 8.7 Degree of protection Car lift work indoors, the electrical equipment protection level not less than GB 4208 in IP3X; held in the open air car work Liter engine, the electrical equipment shall not be ranked lower than the GB 4208 Protection of IP44.

9 Security guard

9.1 safety devices limit the movement of travel and work location 9.1.1 should be set to restrict the movement of the lift car travel safety device, lift the elevator car, the holding arm falling to the lowest position and Give rise to the position when the maximum lifting height, should have the automatic shutdown device. 9.1.2 by holding arm lift car lift work should be set corbel turning angle of the locking device, after adjusting the angle of rotation when the bracket arm bearing Direction should be locked. Locking system should be designed to withstand 4.5% Car Lift rated load without permanent deformation; or can afford cars 6.75% lift rated load without breaking. In both cases, the locking system to withstand the load, respectively, and not less than 1500N 2250N. These loads assumed the most unfavorable horizontal direction acting on the bearing point, and the support arm is fully extended. 9.2 to prevent the wire rope and chain suddenly snapped, suddenly burst pipe safety device Hydraulic car lift shall be provided with wire rope and chain suddenly snapped, safety devices pipe suddenly burst. 9.3 safety device to prevent the natural decline of the vehicle is lifted Car lift safety device shall be provided to prevent the vehicle by lifting the natural decline in the lifting process. 9.4 safety device to prevent damage to the roof Gantry lift car shall be equipped with a device to prevent damage to the roof car. 9.5 safety device that prevents the wheels rolling Desktop Tablet Combo Lift car lift, shall be equipped with a device to prevent the wheels rolling. 9.6 mechanical vehicle lift safety self-locking device Mechanical car lift any operating point can be safely self-locking nut and should work with a fail-safe device. 9.7 hydraulic car lift mechanical locking device Hydraulic car lift in addition to the hydraulic system to lock, the lock should be provided with a mechanical or hydraulic means. 9.8 synchronization means Having two or more lifts, car lift arm care should be provided to maintain synchronous lifting devices, lifting stroke range to work effectively in Car lift rise and fall, should meet the following conditions. --- Each carriage arm supporting surface relative height difference of not more than 50mm; --- Lifts inclination of not more than 1 °; --- Unsynchronized not greater than 3mm/10s. Failure to meet the above conditions, the car lift must be immediately stopped and the police. 9.9 shield During normal operation or maintenance, in order to prevent foreign matter from entering or prevent the operation of the personnel can be dangerous parts should be provided with a protective device Home. Car lift exposed, possibly wounding moving parts, such as sprockets, chains, wire rope, pulleys, etc., shall be fitted with protective Cover/bar. 10 car lift nameplate, safety signs 10.1 Each car lift should be installed in place nameplate nameplate shall be marked with at least the following. --- Name of the manufacturer; --- Product name and model; --- The main performance parameters (including lifting quality, etc.); --- Supply conditions; ---Serial number; --- Date of manufacture; --- Implementation of standards. 10.2 shall be provided with a visible text warning signs in place of the lift car or work area. The crisis in the car lift Insurance site, there should be safety signs and hazard pictorials symbols, graphic symbols and hazard safety signs shall comply with the provisions of GB 15052. Safety Signs The color should be consistent with the provisions of GB 2893. 11 Car Lift job management Safe system of work 11.1 For car lift lifting operations, should establish a safe system of work and compliance. Safe system of work should include the following. a) Car Lift selection; b) vehicle lift maintenance, inspections and necessary tests; c) the development of specialized training programs and establishes clear responsibilities and their own supervisors and other personnel related to the lift; d) specially trained and grant adequate supervision of authorized personnel; e) obtaining all necessary certificates and other valid documents; f) without permission, car lift should not be used at any time; g) and lift operations nonsecurity personnel; h) failures and accidents should promptly report and make a record; i) The operator shall establish rules and regulations. Such as the shift system, safe operation, maintenance system, regular self-inspection system, Maintenance system, training system, file system and other equipment; j) The operator shall establish a device file, device file should include the following. --- Car lift factory technical documents; --- Installation, repair records and inspection data; --- Operation inspection, maintenance and periodic self-inspection records; --- Supervision and inspection reports; --- Equipment failure and accident records; --- Safety equipment evaluation and reporting. Note. For safe operation, it is necessary to ensure that all persons using the same language, be clearly communicated. Safe system of work should be all relevant sectors Effective communications. 11.2 Failure and Incident Reporting Management should ensure that adhere to failure and accident reporting system. Inform management of the system should include, in order to record the results of troubleshooting Lift and again put into use permits. The system should also include timely information about the following. a) daily inspection or periodic inspection found fault; b) at other times found fault; c) incidents or accidents; d) the occurrence of an overload condition; e) report a dangerous situation or an accident occurs. Select 12 workers, responsibilities and basic requirements Select the operating personnel 12.1 Users shall appoint fully trained and have practical experience in the assignment of personnel responsible for the overall management of lifting operations. Training should be based on recorded Personnel record and practical experience combined selection vehicle lift operator, and should clear responsibilities vehicle lift workers. 12.2 Responsibilities assigned personnel Personnel assigned duties shall include the following. a) deal with matters related to automobile lift operations will be reviewed, including the proposed choice car lift and associated equipment, safe operation of Regulation Cheng and supervision; should include collaboration and communication between relevant government units as well as with the relevant oversight bodies; b) ensure timely comprehensive vehicle lift inspection and maintenance; c) ensure failure and accident reporting procedures operate effectively and to take proper measures to deal with; d) is responsible for the organization and operation of the process of lifting job. In some circumstances lead to dangerous jobs, assigning personnel have the right to stop the operation. 12.3 The operator 12.3.1 Responsibilities The operator shall use the specification and safe systems of work to complete the safe operation of the lift car. 12.3.2 Basic requirements The operator shall meet the following conditions. a) have the appropriate level of education; b) 18 years of age, with the safe operation of the lift strength; c) eyesight, hearing and ability to respond competent installation work; d) having a judge distance, height and clearance capacity; e) received vehicle lift operation of professional training, knowledge and professional car lift and its security apparatus aspects; f) disposal and escape means known in ...

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