GB 40160-2021 English PDFUS$469.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 40160-2021: Safety rules for elevating work platforms Status: Valid
Basic dataStandard ID: GB 40160-2021 (GB40160-2021)Description (Translated English): Safety rules for elevating work platforms Sector / Industry: National Standard Classification of Chinese Standard: J80 Word Count Estimation: 25,215 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 40160-2021: Safety rules for elevating work platforms---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 Lifting Working Platforms) ICS 53.020.99 J80 National Standards of People's Republic of China Safety rules for lifting working platforms Released on 2021-04-30 2022-05-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee Table of contentsForeword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Machine 2 5 Structure 3 6 Mechanisms and parts 4 7 Safety device 12 8 Hydraulic system 16 9 Electrical system 17 10 Control system 17 11 Installation and removal 17 12 Operation 18 13 Inspection and maintenance 20 14 Usage information 21 Safety rules for lifting working platforms1 ScopeThis standard specifies the safety technical requirements to be complied with in the design, manufacture, installation, use and maintenance of lifting work platforms. This standard applies to the following lifting work platforms. ---Lifting lifting working platform; ---Guide frame climbing work platform; ---Suspended lifting working platform; ---Special-shaped orbital working platform. This standard does not apply to construction hoists.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 3098.1 Mechanical properties of fasteners bolts, screws and studs GB/T 3098.2 Mechanical properties of fasteners nuts GB/T 3480.5 Calculation of bearing capacity of spur gears and helical gears Part 5.Strength and quality of materials GB/T 3811 Crane Design Code GB/T 4208 Shell protection grade (IP code) GB/T 5226.32 Electrical safety of machinery Electrical equipment of machinery Part 32.Technical requirements for hoisting machinery GB 7258 Safety technical conditions for motor vehicle operation GB/T 7932 General rules and safety requirements for pneumatic systems and their components GB/T 17888.3 Mechanical safety access to fixed facilities of machinery Part 3.Stairs, ladders and guardrails GB/T 17888.4 Mechanical safety access to fixed facilities of machinery Part 4.Fixed vertical ladders GB/T 19154-2017 Window cleaning machine GB/T 19155-2017 Hanging Basket for High Altitude Operation GB 24543 Fall Protection Safety Rope GB/T 25849-2010 Design calculations, safety requirements and test methods for mobile elevating working platforms GB/T 27547-2011 Elevating work platform guide frame climbing work platform GB 50661 Specification for Welding of Steel Structures JB/T 11169-2011 fixed lifting working platform JB/T 12786 Terminology and Classification of Lifting Work Platform JGJ82 Technical Specification for High Strength Bolt Connection of Steel Structure ISO 6336-1 Calculation of load carrying capacity of spur gears and helical gears Part 1.Basic principles, instructions and general influencing factors (Cal- culationofloadcapacityofspurandhelicalgears-Part 1.Basicprinciples, introductionandgeneral influencefactors) ISO 6336-2 Calculation of load-bearing capacity of spur and helical gears Part 2.Calculation of surface durability (pitting) of gear teeth [Cal- culationofloadcapacityofspurandhelicalgears-Part 2.Calculationofsurfacedurability(pittings)] ISO 6336-3 Calculation of load-bearing capacity of spur gears and helical gears Part 3.Calculation of bending strength of gear teeth (Calculation of loadcapacityofspurandhelicalgears-Part 3.Calculationoftoothbendingstrength)3 Terms and definitionsGB/T 25849-2010, GB/T 27547-2011, GB/T 19154-2017, GB/T 19155-2017, JB/T 11169- The following terms and definitions defined in.2011 and JB/T 12786 apply to this document. 3.1 Administrator custodian The entity or individual that directly controls the use and application of the lifting work platform. Note. Usually refers to the owner, lessor or owner's trustee who obtains control. 3.2 Operator Personnel who have received relevant training and have qualified knowledge and practical experience to operate the lifting work platform. 3.3 Qualifiedperson Professional competentperson Have recognized academic qualifications, certificates, professional identity, or have relevant professional knowledge, trained and experienced, can effectively prove their ability Personnel who strive to solve problems encountered in related matters, work or projects. 3.4 Safety-relatedbuletin Safety information related to lifting work platforms issued by the manufacturer.4 Complete machine4.1 When no special statement is made, the lifting work platform should be able to work normally under the following conditions. a) The altitude does not exceed 1000m. b) The relative humidity of the environment is not more than 90% (25℃). c) The suspended lifting work platform should be able to work normally under the following conditions. ● The ambient temperature is -10℃~ 55℃; ● The wind speed at the work place is not more than 8.3m/s; ● The fluctuation range of the power supply voltage does not exceed ±5% of the rated value. Other lifting working platforms should be able to work normally under the following conditions. ● The ambient temperature is -20℃~ 40℃; ● The wind speed is not more than 12.5m/s; ● The fluctuation range of the power supply voltage does not exceed ±10% of the rated value. Note. If there are special requirements, the manufacturer and the user shall negotiate and resolve. 4.2 The manufacturer shall ensure that the strength, rigidity and stability of the lifting work platform comply with the provisions of the relevant standards, and the It should be safe to use. 4.3 The manufacturer shall give the maximum force of the lifting work platform on the ground or foundation under various working conditions in the instruction manual, and the user shall Make sure it is safe before use. 4.4 The tires used in the self-mobile lifting work platform should be solid tires or other non-pneumatic tires. If pneumatic tires are used Explosion-proof tire tipping measures. 4.5 The lighting and signaling devices, braking performance and engine emissions of the mobile elevating work platform of the road driving type shall comply with GB 7258 Provisions. 4.6 The fixed lifting work platform shall meet the following requirements. a) When the rated load exceeds 500kg, a lifting guide device should be installed; b) The distance between the edge of the embedded part of the fixed foundation and the edge of the foundation should not be less than 50mm. 4.7 The noise of the lifting work platform shall meet the following requirements. a) When the suspended lifting working platform is working at rated load, the noise value at a distance of 1m from the noise source should not be greater than 79dB(A); b) For lifting working platforms other than suspended lifting working platforms, the ear noise driven by the internal combustion engine should not be greater than 86dB(A), The ear noise driven by electricity should not exceed 80dB(A). 4.8 Insulated lifting working platforms and explosion-proof lifting working platforms shall comply with relevant standards. 4.9 The gap between the suspension device of the window cleaner and the surrounding buildings should not be less than 0.6m. If this gap requirement cannot be met, other For safety measures, the manufacturer should inform users of its hazard information to prevent crushing injuries to personnel.5 structure5.1 General When designing the metal structure of the lifting work platform, it should meet the strength (including fatigue) of the structure during transportation, installation, use and testing. Labor intensity), stability, rigidity and related safety requirements. 5.2 Welding The welding of steel structures should meet the requirements of GB 50661, and the key welds should be qualified for welding procedures. 5.3 Bolt connection 5.3.1 High-strength bolts should be used for the connecting bolts of the main stressed components, and the mechanical properties of the fasteners of the high-strength bolt connection pair should meet GB/T 3098.1 and GB/T 3098.2 regulations, and should have performance level marks and certificates. 5.3.2 The design, construction and acceptance of the high-strength bolt connection of the main load-bearing components shall meet the requirements of JGJ82. 5.4 Stairs, ladders, guardrails and straight ladders 5.4.1 Stairs, ladders and guardrails should meet the requirements of GB/T 17888.3. 5.4.2 The straight ladder should meet the requirements of GB/T 17888.4. 5.5 Maintain platforms, working platforms, walkways and skirting boards 5.5.1 Maintenance platforms, walkways, skirting boards and guardrails for self-maintenance should be installed in the operation and maintenance areas above 2m from the ground, and should comply with The following requirements. a) The maintenance platform and walkway should be made of metal materials, and the bottom plate should have drainage and anti-slip properties. When using round holes, grids or When it cannot form a continuous plane material, the size of the hole or gap should not allow a sphere with a diameter of 15 mm to pass through; in any case Under the circumstances, the area of the hole or gap should be less than 400mm2. b) The width of the maintenance platform and walkway should not be less than 500mm, and the local obstruction can be reduced to 400mm. Maintain platforms and walkways Every part where the operator may stay should not be permanently deformed, and should be able to withstand the following loads. ● A load of.2000N applied vertically at any position on the surface of the maintenance platform through a disc with a diameter of 125mm; ● Evenly distributed load of 4500N/m2. 5.5.2 The edge of the working platform or walkway should be provided with skirting boards not less than 150mm high. In the place where the operator needs to cross, kick the foot The height of the board can be reduced to 100mm. 5.5.3 The height of the guardrail should meet the requirements of the relevant product standards of the lifting work platform, and the distance between the crossbar and the skirting board of the guardrail should be not large. The middle crossbar of 500mm. For special work occasions where the height of the guardrail needs to be reduced, the relevant standards should be met for the safety of the guardrail Claim. 5.5.4 Chains or ropes should not be used as guardrails or entrance doors. 5.5.5 The entrance door should not be folded or opened outward, it should be able to close automatically, or be interlocked by electric control to prevent the working platform from being at the entrance. Run when the door is open. 5.5.6 The trap door on the bottom plate of the working platform shall be firmly installed on the working platform, and shall be reliably locked and shall not be opened downward or to the side. slide. 5.6 Retirement of structural parts 5.6.1 When the main structural parts cannot meet the requirements for safe use due to corrosion, wear and other reasons, they should be repaired or strengthened, otherwise they should be scrapped. 5.6.2 When the main force-bearing member is permanently deformed and cannot be repaired, it shall be scrapped. 5.6.3 The main force-bearing member shall not be repaired after the overall failure, and shall be scrapped. 5.6.4 When cracks occur in structural parts and welds, the reasons should be analyzed, and strengthening measures should be taken according to the stress and crack conditions. Should reach the original design It can only be used if required, otherwise it should be scrapped.6 Mechanism and parts6.1 General requirements 6.1.1 When designing the components of the mechanism, they should meet their strength (including fatigue strength), stability, and stability during transportation, installation, use, and testing. Wear resistance and other safety requirements. 6.1.2 Each mechanism should ensure that the lifting work platform moves smoothly and accurately when lifting, lowering, rotating, luffing, stretching, and walking, without jamming, crawling, Vibration, shock, and abnormal increase in drive power. 6.1.3 The fixing strength of the end of the wire rope should be able to withstand not less than 80% of the minimum breaking force of the wire rope. 6.1.4 The end of the steel wire rope shall be fixed with braided joints, aluminum alloy pressed joints, steel pressed joints, wedge joints, etc. Load-bearing wire rope The end of the cable should not be fixed with U-shaped bolts and rope clamps. 6.2 Lifting type lifting work platform mechanism and parts 6.2.1 Chassis, running system and stabilizer 6.2.1.1 The chassis, walking system and stabilizer of the mobile elevating work platform shall comply with the provisions of 5.3 of GB/T 25849-2010. 6.2.1.2 The walking mechanism of the mobile elevating work platform shall be capable of traction and movement after the power is cut off. 6.2.1.3 The self-propelled elevating work platform shall be equipped with service brake and parking brake system. 6.2.1.4 The shifting and steering operations of the traveling system shall be flexible. 6.2.1.5 The brake of the parking brake system shall be provided with a device capable of maintaining the braking state after the braking action. 6.2.1.6 When the lifting work platform has outriggers, the vertical outriggers and horizontal outriggers should be able to operate independently. When operating the outriggers, the operator should be able to Chu saw the direction of movement of the outriggers. 6.2.2 Extension structure 6.2.2.1 The extension structure shall meet the requirements of 5.4 of GB/T 25849-2010. 6.2.2.2 The extension structure transmission system shall meet the requirements of 5.5 in GB/T 25849-2010. 6.2.2.3 If two or more supporting devices are used in the extension structure of the working platform, the supporting devices shall be synchronized during the lifting process. 6.2.2.4 If a two-layer or multi-layer structure is used for the vertical lifting and extension structure, it shall be lifted from the lower layer to the upper layer in order when it is rising, and it shall be lifted from the top when it is lowered. Decrease from floor to floor. 6.2.2.5 For the plate chain sheaves used in the extension structure, the groove bottom diameter shall not be less than 5 times the pitch of the plate chain. 6.2.2.6 An auxiliary descent device shall be provided, which shall be able to function when the main power fails. 6.2.3 Work platform 6.2.3.1 When the extension structure is extended or due to the load and force during operation, the working platform and the horizontal plane or the chassis plane or any other The level of the rotating plane should not change more than 5°. 6.2.3.2 The working platform should be made of flame-retardant materials, that is, materials that will not continue to burn after the fire source is removed. 6.2.3.3 The movement of the working platform relative to the extension shall be provided with a mechanical limit. 6.2.3.4 Except for scissor or mast elevating work platforms, other types of elevating work platforms should be equipped with safety belt suspension points. 6.3 Guide frame climbing work platform mechanism and parts 6.3.1 Lifting drive system 6.3.1.1 The rated speed when the working platform is raised and lowered should not be greater than 0.2m/s. 6.3.1.2 Measures shall be taken to prevent the uppermost guide wheel or guide shoe from sliding out of the top of the guide rail during normal operation. Further measures should be taken To ensure that under any circumstances (including installation and disassembly), the gear of the safety device will not disengage from the rack; other mechanical safety The device should also ensure that the working platform will not accidentally slide down. 6.3.1.3 The rack and pinion drive system shall meet the following requirements. a) Under any load conditions, measures should be taken to make the rack and the drive gear and the safety gear gear mesh normally. This measure should not be Depends on the guide wheels of the lifting work platform. The device used should be able to limit the axial movement of the gear and should ensure at least 2/3 of the tooth width It is in mesh with the rack. b) In the event of failure of the back wheel or other meshing control parts, partial bending or deflection of the guide frame, the deviation distance of the gear should be ensured Not more than 1/3 of the tooth height during normal meshing. c) Gears should not be used as guide wheels. When the guide wheel or guide shoe fails, there should be measures to keep the working platform stable. d) The installation position of the safety gear should be lower than any drive gear. e) The strength design of the drive gear should meet the requirements of ISO 6336-1, ISO 6336-2, ISO 6336-3 and GB/T 3480.5. Considering the actual stress of each gear tooth under the total static load, the safety factor of gear tooth strength should not be less than 1.5. f) The rack should be made of materials that match the wear resistance of the drive gear, and the strength of the gear teeth should be in accordance with ISO 6336-1, ISO 6336- 2.Design according to ISO 6336-3 and GB/T 3480.5.The strength of the tooth is calculated according to the actual stress, and the minimum safety system The number is 1.5. g) The modulus of gears and racks should not be less than. ● Modulus 4.If the back wheel or other meshing control parts of the drive system do not contact with other parts of the guide frame and directly act on the teeth Article; ● Modulus 6.If the back wheel of the drive system or other meshing control parts pass through another guide frame part that is in direct contact with the rack kick in. 6.3.1.4 The ratchet drive system shall meet the following requirements. a) The maximum rated speed when the working platform is raised and lowered should not be greater than 0.06m/s; b) The design fatigue safety factor of ratchet drive mechanism components should not be less than 1.5, and the design fatigue load cycle number of power components should not be low At 106 times; c) The safety factor of the components supporting the safety device on the guide frame under the most dangerous conditions should not be less than 2.5; d) There should be measures to ensure that the drive system and safety devices are properly engaged with the crosspieces or other elements on the guide frame, but they should not rely on lifting The guide wheel on the working platform is realized; e) The drive mechanism should not be used as a guide wheel. 6.3.1.5 The screw drive system shall meet the following requirements. a) The design fatigue safety factor of the screw drive element should not be less than 1.5, and the design fatigue load cycle number of the tooth-shaped meshing part should not be low At 104 times, the design fatigue load cycles of the power components of the drive mechanism should not be less than 108 times; b) It should be ensured that the screw drive element and the toothed meshing part do not leave 1/3 of the correct meshing position under any circumstances, even when the back wheel It should also be guaranteed under failure, partial bending and deformation and tilting of the guide frame; c) The installation position of the safety device should be lower than the drive system. 6.3.1.6 The b......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 40160-2021_English be delivered?Answer: Upon your order, we will start to translate GB 40160-2021_English as soon as possible, and keep you informed of the progress. 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