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Basic data Standard ID | GB 6067.5-2014 (GB6067.5-2014) | Description (Translated English) | [GB/T 6067.5-2014] Safety rules for lifting appliances -- Part 5: Bridge and gantry cranes | Sector / Industry | National Standard | Classification of Chinese Standard | J80 | Classification of International Standard | 53.020.20 | Word Count Estimation | 20,260 | Date of Issue | 9/3/2014 | Date of Implementation | 2/1/2015 | Older Standard (superseded by this standard) | GB/T 18224-2008; GB/T 19912-2005; GB/T 21920-2008 | Quoted Standard | GB/T 1591-2008; GB 2970-2004; GB/T 3323; GB/T 3805-2008; GB/T 3811-2008; GB 3836.1; GB 3836.15; GB 6067.1-2010; GB 8918; GB 12476.1; GB 12476.2; GB 15052; GB/T 20303.5; GB/T 20776; GB/T 20878; GB/T 27546; JB/T 6406; JB/T 7020-2006; JB/T 8110.2; JB/T 9008. | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards 2014 No. 26 | 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 requirements for the basic safety of bridge and gantry cranes (hereinafter referred to as the crane) the design, manufacture, installation, alteration, maintenance, use, inspection, and other aspects of retirement. This Standard is |
GB 6067.5-2014: [GB/T 6067.5-2014] Safety rules for lifting appliances -- Part 5: Bridge and gantry cranes ---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 appliances.Part 5. Bridge and gantry cranes
ICS 53.020.20
J80
National Standards of People's Republic of China
Partially replace GB/T 18224-2008, GB/T 19912-2005, GB/T 21920-2008
Crane safety regulations
Part 5. Bridge and gantry cranes
Issued on. 2014-09-03
2015-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This part of the 3.2,3.4,3.6.1 ~ 3.6.4,3.6.6,3.6.7,3.7.1 ~ 3.7.4,3.7.6 ~ 3.7.10,4.2,4.3.1.2 ~ 4.3.1.5,
4.3.2,4.3.3.1,4.3.3.3,4.3.4,4.3.5.1 4.3.5.5,4.3.5.7 ~ ~ 4.3.5.9,4.3.6,4.3.7,4.3.8.1,6.1.2,6.2. 1,6.2.2,
6.2.3.1,6.2.4 ~ 6.2.9,6.3,7.2,7.3b), 7.4, Chapter 8, Chapter 9, 10.2 mandatory provisions; Where reference GB 6067.1 bar
Models, according to the provisions of GB 6067.1; the other provisions of the recommended provisions.
GB 6067 "crane safety regulations," consists of the following seven components.
--- Part 1. General;
--- Part 2. Mobile cranes;
--- Part 3. Tower cranes;
--- Part 4. jib cranes;
--- Part 5. Bridge and gantry crane;
--- Part 6. cable cranes;
--- Part 7. small light lifting equipment.
This section GB 6067 "crane safety regulations" in Section 5.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Machinery Industry Federation.
This part of the National Standardization Technical Committee crane (SAC/TC227) centralized.
This section is responsible for drafting. Dalian Huarui Heavy Industry Group Co., Ltd., Beijing Materials Handling Design and Research Institute, National Crane
Transport machinery for Quality Supervision and Inspection Center.
Participated in the drafting of this section. Shanghai SCCW Ltd., Dalian Heavy Industries Co., Ltd. Brilliant, Demag Cranes & Components (on
Sea) Limited, Konecranes (Shanghai) Co., Ltd., Guangzhou Lifting Machinery Co., Weihua Group Co., Ltd., Nanjing Hoisting
Machinery Plant Co., Shanqi Heavy Machinery Co., Ltd., Zhejiang public Qingqi Heavy Machinery Manufacturing Co., Ltd., as Wang Heavy Industries Co. Shares
The company, a limited liability company Chongqing crane factory, Sany Group Co., Ltd., Jiangxi Hua Wu Brake Co., Ltd., Yichang City micro electronic
Equipment Co., Ltd.
The main drafters of this section. Wu Gang, Wang Shunting, Li Xiuling, Zhao Chunhui, Zhang Yan whole, Chenrui Ming, Zhao Yi, Zhang Yi, Liu Yuanli shall be mine, Gao Ning,
Kwong Jian, Sun Mingyao, Lee Hong, Wang Fengshun, Ruanshu Feng, Li Hongwei, Luo Zhen Li, Zhang Han, Nie Chunhua, high Yu Min.
Crane safety regulations
Part 5. Bridge and gantry cranes
1 Scope
GB 6067 of the provisions of this part of the bridge and gantry cranes (hereinafter referred to as the crane) the design, manufacture, installation, alteration, repair, make
By check, the essential safety requirements and other aspects of retirement.
This section applies to the bridge crane GB/T 20776 identified.
As special problems do not involve basic security, this section is also available for other lifting machines by reference.
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/T 1591-2008 High strength low alloy structural steel
GB 2970-2004 thick steel plate ultrasonic inspection
GB/T 3323 metal fusion welded joints radiography
GB/T 3805-2008 extra low voltage (ELV) limits
GB/T 3811-2008 crane design specifications
GB 3836.1 explosive atmospheres - Part 1. General requirements for equipment
GB 3836.15 Electrical apparatus for explosive gas atmospheres - Part 15. Electrical installations in hazardous locations (except coal mines)
GB 6067.1-2010 crane safety regulations - Part 1. General
GB 8918 important uses rope
GB 12476.1 combustible dust electrical equipment - Part 1. enclosures and surface temperature limitation protection of electrical equipment
Technical requirements for electrical equipment. Section 1
GB 12476.2 combustible dust electrical equipment - Part 2. Selection and installation
GB 15052 Safety signs and hazard pictorials - General symbols
GB/T 20303.5 crane cab - Part 5. Bridge and gantry cranes
GB/T 20776 crane classification
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
GB/T 27546 crane pulley
JB/T 6406 Power hydraulic drum brakes
JB/T 7020-2006 electro-hydraulic disc brakes
JB/T 8110.2 cranes rubber buffers
JB/T 9008 (all parts), electric wire rope hoist
JB/T 10559 crane NDT ultrasonic testing of steel welds
JB/T 10833 Crane polyurethane buffer
3 metal structure
3.1 Basic requirements
Shall comply with the relevant provisions of GB 6067.1-2010 in Chapter 3.
3.2 Metal Structure
When lower flange bearing structure as a crane trolley track, the thickness of the flange thickness to 10% of design value, if not repaired, should
scrapped.
3.3 Materials
Crane bearing structural members, steel selection should meet the requirements GB/T 3811-2008 in 5.3.
3.4 channel platform
Measures should be taken to prevent water crane, channels and platforms 3.4.1 outdoor work.
3.4.2 Channel platform tread should have anti-slip properties.
3.5 LADDER
When inclined ladder height greater than 10m, every 5m ~ 10m platform should be set to rest.
3.6 Thermal radiation device and Firewood
3.6.1 The bottom of the cab crane lifting molten metal or hot objects should be fortified direct heat radiation heat radiation plate.
3.6.2 crane lifting molten metal or hot items (except as hereinafter flange crane orbit) directly affected by the radiant heat of the primary
Beams, lifting beams should be located at the bottom of the heat radiation device.
, Lifting the molten metal or hot items as cranes 3.6.3 The following flange orbits, radiation heat should be located at the bottom of the lifting trolley
Means.
3.6.4 heat radiating plate should be provided with a reliable fall protection measures.
3.6.5 directly affected by the fire crane (such as feed mills across the casting crane), should be in the direct flame burning main structural parts of the anti-setting
Fire board.
3.6.6 crane lifting molten metal or hot items directly affected by the radiant heat of the wiring portion channels and platforms should be set insulation.
3.6.7 crane lifting molten metal or hot items, respond directly affected by the radiant heat of the electrical equipment to take protective measures.
3.7 cab
3.7.1 cab shall comply with GB/T 20303.5 of.
3.7.2 shall be so arranged cab driver easy to operate, should ensure that the driver in the service area for the spreader or cab to go for a row direction,
Handle all operations are within the scope of control of the driver.
3.7.3 cab arrangement should ensure that the spreader in the service area can be seen anywhere in the driver. If the driver can not see at a particular
When the spreader design position, supplementary measures should be taken to allow the driver to see or understand the indirect spreader position.
3.7.4 cab shall be provided with locks, fire extinguishers and bell (or alarm), set up the communication should be contacted if necessary.
3.7.5 should not be installed in the cab vibration relatively large position.
3.7.6 Mobile cab should set the hook or other fall protection safety device.
3.7.7 extract outline spacing means and the cab, and in no case shall be less than 0.4m; and when the bottom of the cab and lifting spreader can
When can collide, the lifting mechanism should be set reduction gear after deceleration stop lifting and spreader safety distance of not less than cab lifting mechanism most
Under low speed 2.5s trip.
3.7.8 insulation requirements of the crane, the presence of hydrogen fluoride gas when etching the glass affect the driver's line of sight, the cab of the glass will be
Replacement.
3.7.9 crane lifting molten metal or hot items, should be enclosed cab, and provided effective insulation, fire-retardant insulation should be
material.
3.7.10 self-propelled mobile cab limit switch should be set.
4 bodies and parts
4.1 Basic requirements
Shall comply with the relevant provisions of GB 6067.1-2010 in Chapter 4.
4.2 institutions
4.2.1 Ground control cable crane, the size of the car run institutions should not exceed the speed of 50m/min.
4.2.2 Measures should be taken to ensure that in the case of the wheel, wheel bearing rupture or breakage of the wheel shaft, a small drop from the frame and bridge
From no more than 0.025m.
4.2.3 lifting molten metal crane main lifting mechanism (except electric hoist) one of the following transmission chain should be met.
a) set up two main lifting mechanism driving means and rigidly connected to the output shaft;
b) set up two main lifting mechanism driving means to the output shaft without a rigid connection or from the time when the main lifting mechanism set up a driving means
Shall be provided with safety brake on the rope drum;
NOTE. Two drive refers to two electric motors, two deceleration system, one or more sets and four sets of brake drum equipment.
c) For the rated capacity of not more than 16t crane hoisting mechanism in its design work should be at least level than the actual operating conditions
High Level 2 requirements, the minimum working level not less than M5.
4.2.4 crane lifting molten metal, from the main wire rope lifting mechanism shall meet the following criteria.
a) twin-lift should be four Steel Wire Rope;
b) a single lifting point using at least two rope winding system;
c) the safety factor should be consistent with the relevant provisions of GB/T 3811 in for the rated capacity of not more than 16t crane, its security system
The number of not less than 5.6.
4.2.5 crane lifting molten metal, Steel Wire Rope from the main hoisting mechanism should not be balanced pulley.
4.2.6 crane lifting the molten metal when the rated capacity of not more than 16t, electric hoist can be used as a lifting mechanism, electric hoist
It should meet the JB/T 9008 (all parts) of the regulations, we must also meet the following requirements.
a) When the nominal weight is greater than 5t, hoist addition to setting a brake job, it should also set the safety brake. Safe Brake
It is provided on the low-level electric hoist, when the operating brake failure or broken transmission components, it is possible to reliably support live Rated
Load.
b) When the rated capacity of less than or equal to 5t when, in addition to set up a working electric hoist brake, but also should be set at the low level security
Full brake, otherwise the hoist shall be 1.5 times the rated capacity design.
c) selection of electric hoist with high temperature insulation function.
d) working-level electric hoist should not be less than the M6.
4.2.7 Lifting vertical wells quenching process workpiece crane hoisting mechanism shall be provided with an emergency brake brake release.
4.2.8 Forging crane lifting items placed on the support surface to withstand regular impact load and displacement in the vertical direction, the corresponding
The lifting mechanism should be set up buffer means and brake release mechanism.
4.2.9 explosion-proof requirements of the crane trolley run institutions and agencies run, starting and braking process should be smooth, the wheels should be avoided beat
Slip and produce visual evidence of sparks. Wheel and rail contact surfaces should be kept rust, good contact, to avoid corrosion and sparks.
4.2.10 Explosion-proof bridge crane classified as ⅡC, ⅢB, ⅢC level, the size of the crane vehicle speed should not exceed 16m/min,
Crane size vehicle speed Explosion other categories should not exceed 25m/min; crane hoisting speed should not exceed 8m/min, wire
Rope speed involved should not exceed 28m/min. Explosion beam Crane speed should not exceed 25m/min.
4.2.11 explosion-proof requirements of the design and hook hoist drum pulley block, the rope should be wound around into or out of the reel, wire rope deviate spiro
Angle of rotation slots on each side should not exceed 3 °.
4.2.12 explosion-proof grade ⅡC, ⅢB, ⅢC crane, if the use of open gear, you should use non-sparking materials.
NOTE. There is proof requirements refer crane crane working in explosive gas atmospheres and explosive dust atmospheres.
4.3 parts
4.3.1 Rope
When 4.3.1.1 Lifting bodies using a plurality of (even number) rope, should use wire rope rotation symmetrical and symmetrically arranged.
4.3.1.2 crane lifting molten metal or hot items, should not be lower than the performance of metal cord or metal strand core provisions of GB 8918
High-temperature wire rope.
4.3.1.3 crane lifting the molten metal, the safety factor should be consistent with GB/T 3811-2008 regulations in Table 44, for rated
Weight of not more than 16t crane safety factor of not less than 5.6.
4.3.1.4 explosion-proof requirements cranes should not be lower than the performance of wire rope GB 8918 regulations, wire rope safety factor should be higher than
GB/T 3811-2008 safety factor specified in Table 44 high level.
4.3.1.5 When used in multilayer wound should not be lower than the performance of the steel core wire rope GB 8918 regulations.
4.3.2 reel
Multi-layer winding reel, it should prevent the rope from the reel end flange slide. When the rope is wound after all spool flange Yingchao
The outermost layer of wire rope, exceeding the height of not less than 1.5 times the diameter of the wire rope.
4.3.3 Pulley
4.3.3.1 crane lifting the molten metal should not be used gray cast iron pulley.
4.3.3.2 metallurgical cranes recommended rolling pulley. When using casting pulley, shall comply with GB/T 27546 of.
4.3.3.3 smooth pulley groove should be smooth and should not damage the rope defects.
4.3.4 Brakes
4.3.4.1 explosion-proof requirements should be explosion-proof crane brakes, divided by the electric hoist for the lifting mechanism of explosion-proof cranes, other anti
Burst crane hoisting mechanism should be set up two sets of brakes.
4.3.4.2 brakes should be used for corrosive environments brakes anti-corrosion, anti-corrosion technology conditions not less than JB/T 6406 and
JB/T 7020-2006 in 5.5.1.2b) prescribed anti-corrosion requirements.
4.3.5 spreader
4.3.5.1 crane lifting the molten metal welding lifting forks, which should be consistent with the direction of the force of rolling steel rolling fiber direction and the strength of steel
Properties should not be less than the GB/T 1591-2008 Table Q345B plate 1.
4.3.5.2 lifting molten metal crane lifting beam bottom flange plate should have butt welds.
4.3.5.3 lifting molten metal crane lifting beams major carriers, such as pulley side, lug plate, etc., when the thickness exceeds 0.04m
When, before the next feeding should be testing, and should reach Ⅰ grade quality GB/T 2970-2004 specified in Table 4.
4.3.5.4 lifting molten metal crane hook block and the lifting beams, etc. should take measures to protect the rope from direct radiant heat Movies
Sound, and to prevent molten metal splashes onto the rope.
4.3.5.5 When a crane lifting the hot items of the workpiece is to go into the liquid medium, moving pulley at the hook should be taken splashproof
Measures.
4.3.5.6 for steel continuous casting and rolling process, handling and stacking bar-shaped billet cranes feed rake, rake rake tooth material should adopt the material properties
Not less than GB/T 1591-2008 Table 1 Q345 steel; butt welds should be finger penetration, annealing after welding, with radiation detection
It should reach GB/T 3323 BⅡ level of quality of welded joints; using ultrasonic testing should reach JB/T 10559 in Class 1 quality requirements.
4.3.5.7 requirements have magnetic crane hook should be used magnetic materials, the mechanical properties of the material should not be less than the GB/T 20878 in
The 0Cr18Ni9.
4.3.5.8 explosion-proof requirements of the crane when the explosion classified as ⅡC, ⅢB, ⅢC, the hook should be taken to prevent danger arising from impact or friction
Dangerous sparks measures.
The outer surface of the explosion-proof requirements 4.3.5.9 crane hook pulley side plates shall be marked with warnings, such as "prohibiting touchdown collision" and so on.
4.3.6 Buffer
Explosion-proof requirements crane buffers should be selected in line with JB/T 10833 or in compliance with the provisions of polyurethane buffer JB/T 8110.2 regulations
Fixed rubber buffers, surface resistance should not exceed 109Ω.
4.3.7 Wheel
Explosion-proof requirements of explosion-proof cranes classified as ⅡC, ⅢB, ⅢC time, wheel and rim portion should be used not because of impact and friction
Ignite explosive gas mixtures copper alloy or other material.
4.3.8 Other
Cable pulley wheel and touch wheel 4.3.8.1 explosion-proof requirements of the limit switch on the crane should be used bronze or brass or surface resistance of not
Should be greater than 109Ω of engineering plastics; explosion classified as ⅡC, ⅢB, when ⅢC level, cable pulley traction line should be stainless steel wire rope.
4.3.8.2 explosion-proof requirements of the crane, trolley track joints should be welded connections; crane rail should be welded connection, connection
Department should be smooth, smooth; not employed seams welded connections, the lateral displacement and the height difference should not be greater than 0.5mm, the gap should not be greater than 1mm.
Cranes and bogies should be no impact of the phenomenon through the joints.
5 Hydraulic System
Crane hydraulic system shall comply with the relevant provisions of GB 6067.1-2010 in Chapter 5.
6 Electrical
6.1 General
6.1.1 Electrical part shall comply with the relevant provisions of GB 6067.1-2010 in Chapter 6.
6.1.2 crane electrical equipment must ensure accurate and reliable transmission performance and control performance. Explosion-proof electrical equipment and crane requirements
Selected element shall comply with the requirements of the appropriate level of explosion, if the choice of a non-explosion-proof electrical components, explosion-proof enclosure should be added or taken Explosion
Measures to meet the appropriate level of explosion-proof requirements. Of the strong magnetic field, dust, corrosive environments cranes, electrical controls should take appropriate
Measures.
6.2 power supply and circuit
6.2.1 Supply
Explosion-proof requirements crane carts, trolley feeder should adopt flexible conductive cable, power cable crane should be used with a grounding core wire
cable.
6.2.2 Power trolley line and its protection
6.2.2.1 Power trolley line trolley line usually safe, rigid trolley line or steel.
6.2.2.2 was hanging items (or hooks) swings should not touch the power trolley line.
6.2.2.3 Rigid steel trolley line or surrounding equipment shall be arranged with a sufficient safety distance, or to take safety precautions.
6.2.3 power supply contactor
6.2.3.1 crane total power supply circuit to be provided total power supply contactor, power lines capable of breaking all agencies. The crane
When a chief breaker remotely breaking power circuit of all agencies, not to set the total power supply contactor.
6.2.3.2 commutation between the contact and the other at the same time will cause a short circuit accident closed contact for to hoist as lifting mechanism plays
Heavy machinery, electrical interlocking should be set for other cranes to be set up electrical interlock and mechanical interlock.
6.2.4 Control System
6.2.4.1 crane control system should ensure that the control performance meets the requirements of mechanical and electrical systems.
6.2.4.2 When using the programmable controller involved in crane control, interlock signal for security protection (such as lifting the ultimate limit, super
Speed, etc.) and emergency power-off switch, interlock protection should have a direct line.
6.2.5 electromagnetic lifting sucker circuit
6.2.5.1 crane with an electromagnetic sucker, sucker electromagnetic lifting power at the AC side wiring, should ensure that the crane accidents inside
Power (crane collector UPS), the power supply is not cut off the crane electromagnetic sucker, retention was not falling.
6.2.5.2 When the crane with an electromagnetic chuck, if the work due to loss of power may cause the object to fall hazards, crane off state
Paul magnetic solenoids time of not less than 15min.
6.2.5.3 When setting standby power supply (such as batteries), should also provide automatic charging device and a voltage indicator, when the slide line loss of power, standby
Power-system failures or when there are warning lights and audible warning device.
Brake control 6.2.6
6.2.6.1 motor while controlling the brake, the wire length of the motor to brake more than 5m, brake lines should be provided with a protective
Means.
6.2.6.2 separate motor control brake shall meet the following requirements.
Control a) the brake should take precautions to prevent any uncontrolled movements occur when starting and braking. If electric braking, normal
Operation, after the mechanical brake should brake in electric. In addition to short-term transient state, the brake is energized when the motor can not be
closure.
b) for lifting the molten metal and other dangerous goods lifting mechanism, the brake control should be taken to prevent damage due to a contact, Nien
Even cause the failure of control measures.
6.2.6.3 safety brake shall meet the following requirements.
a) has a safety brake on the lifting mechanism, in normal operation, the safety brake should be in the high-speed shaft brake close delay closure
Together, the delay action time is adjustable;
Control b) safety brake, a contactor should prevent damage caused by adhesions control measures fail.
6.2.6.4 unexpected braking power should meet the following requirements.
a) for the operation of the brake can cause mechanical damage to the equipment tipping situation when an unexpected system power failure, appropriate measures should be taken to ensure that Italy
When external power brake safe course of action;
b) set up emergency drive unit lifting or tilting mechanism, operating brake bodies should be involved in the protection of the emergency brake driven process.
6.2.7 Distribution branch lines
Agencies power, control and auxiliary power supply line should branch circuit breakers, fuses or overcurrent protection relays provide overcurrent protection
Protection function. When the three-phase power circuit fuse protection, should have a lack of protection.
6.2.8 Emergency stop switch
6.2.8.1 Each crane shall be provided with one or more operating stations operated from the emergency stop switch, when there is an emergency, you should be able to
Stop all movement of the drive mechanism. Emergency stop switch operation should not fall off items could cause power circuit (such as electricity disks, gas
Fixed retention devices). Emergency stop switch shall be red, not automatically reset, and the control point should be closed. If desired, an emergency stop switch further
It may additionally be provided in other parts.
6.2.8.2 For those crane drive mechanism may result in collateral risk, no need to stop all movement of the drive mechanism. For example, for a door
Cranes, using its close to the ground set emergency stop switch on the ground to stop the operation Crane run.
6.2.8.3 shipbuilding gantry crane linkage console, electrical room, the room on the car, under the car and crane just room for easy operation Johor leg
Should be located emergency stop switch.
6.2.9 wire and cable and wiring
6.2.9.1 crane with a cable explosion-proof requirements, electrical devices should be used in multi-strand copper core rubber cable, and does not allow the intermediate connector,
If necessary, set explosion-proof junction box.
Direct heat radiation on the cable crane 6.2.9.2 lifting the molten metal and hot objects should be used in high-temperature flame-retardant cable or cable mining
Take insulation measures.
6.3 Electrical equipment for explosion-proof requirements cranes
Select 6.3.1 proof electrical equipment should comply with GB 3836.1 and GB 12476.1 requirements, its performance should meet the appropriate category Explosion
And the maximum surface temperature requirements.
6.3.2 In addition to the coal mine explosion-proof electrical equipment, other explosive gas atmospheres with explosion-proof electrical equipment installation should be consistent with GB 3836.15 regulation
Set; installation of explosive dust atmospheres explosion-proof electrical equipment should meet the...
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