MH/T 6030: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| MH/T 6030-2024 | English | RFQ |
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3 days [Need to translate]
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Conveyer belt loader
| Valid |
MH/T 6030-2024
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| MH/T 6030-2014 | English | RFQ |
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3 days [Need to translate]
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(Bulk cargo loader)
| Obsolete |
MH/T 6030-2014
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Basic data | Standard ID | MH/T 6030-2024 (MH/T6030-2024) | | Description (Translated English) | Conveyer belt loader | | Sector / Industry | Civil Aviation Industry Standard (Recommended) | | Classification of Chinese Standard | V56 | | Classification of International Standard | 49.100 | | Date of Issue | 2024-11-08 | | Date of Implementation | 2024-12-01 | | Issuing agency(ies) | Civil Aviation Administration of China | | Summary | This standard specifies the technical requirements, test methods, inspection rules, signs, logos, instructions, packaging, transportation and storage of bulk cargo loaders (hereinafter referred to as "bulk loaders"). This standard applies to the design, manufacture and inspection of bulk loaders for loading and unloading baggage and parcels and other bulk cargo for aircraft in civil airport areas. | MHT6030-2014: (Bulk cargo loader)---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.
Conveyer belt loader
ICS 49.100
V 56
Civil Aviation Industry Standard of the People's Republic of China
Replace MH/T 6030-2003
Bulk cargo loader
2014-12-03 released
2015-03-01 implementation
Issued by Civil Aviation Administration of China
Table of contents
Foreword...III
1 Scope...1
2 Normative references...1
3 Technical requirements...1
3.1 General requirements...1
3.2 Safety requirements...2
3.3 Dedicated device...4
3.4 Stability...5
3.5 Maneuverability...6
3.6 Cab...6
3.7 Hydraulic system...6
3.8 Environmental requirements...6
3.9 Environmental requirements...6
3.10 Reliability...7
4 Test method...7
4.1 General requirements...7
4.2 Safety requirements...8
4.3 Dedicated device...8
4.4 Stability...9
4.5 Maneuverability...9
4.6 Cab...10
4.7 Hydraulic system...10
4.8 Environmental requirements...10
4.9 Environmental test...11
4.10 Reliability test...11
5 Inspection rules...11
6 Signs, signs, instruction manuals...13
7 Packaging, transportation and storage...13
Appendix A (Normative appendix) Endurance test conditions...15
Foreword
This standard is compiled in accordance with the rules given in GB/T 1.1-2009.
This standard replaces MH/T 6030-2003 "Baggage Transfer Cart". Compared with MH/T 6030-2003, except for editorial changes, the main technical
The changes are as follows.
-Modified the standard name, from the original "Luggage Transfer Cart" to "Bulk Cargo Loader";
--- Added relevant requirements for electric bulk cargo loaders (see 3.2.3);
--- Added relevant requirements for towed bulk cargo loaders (see 3.2.2);
--- Increased the requirements for gear interlocking (see 3.3.4.10);
--Added the requirement for the lowering of the conveyor belt after the bulk cargo loader is fully loaded (3.3.1.7);
-The requirements for external lighting and light signal devices are modified (see 3.1.13, 4.2.13 of the.2003 edition);
-Modified the requirements for the maximum total mass and axle load distribution (see 3.1.12, 4.2.5 of the.2003 edition);
- The requirements for the maximum driving speed have been revised (see 3.5.4, 4.2.7 of the.2003 edition);
-Modified the requirements of guardrail and guide baffle (see 3.3.3, 4.3.5 of.2003 edition);
--- Added requirements for emergency devices (see 3.3.7);
--- Increase the requirements for wind resistance stability (see 3.4.4);
- Modified the braking performance requirements (see 3.5.6, 3.5.7, 3.5.8, 4.4 in the.2003 edition);
--- Increase the endurance requirements of electric bulk cargo loaders (see 3.5.9);
--Added the requirements for the cab (see 3.6);
--Added the exhaust pollutant emission requirements of diesel engine bulk cargo loaders (see 3.8.3);
- The reliability requirements have been revised (see 3.10, 4.9.2 of the.2003 edition).
This standard was proposed and interpreted by the Airport Department of the Civil Aviation Administration of China.
This standard was approved by the Aircraft Airworthiness Certification Department of the Civil Aviation Administration of China.
This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology.
Drafting organizations of this standard. Airport Department of Civil Aviation Administration of China, Civil Aviation Professional Engineering Quality Supervision Station, National Construction Machinery Quality Supervision and Inspection
Inspection Center, Beijing Kangmu Forte Technology Co., Ltd., Shanghai Hangfu Airport Equipment Co., Ltd.
Drafters of this standard. Wang Xiaobo, Li Chaoyang, Zhang Jianfa, Dong Faxin, Ma Zhigang, Zou Tingnian, Fan Xiangrong, Bai Bin, Zhang Qingjun.
Bulk cargo loader
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, signs, signs, instructions for use, packaging,
Transportation and storage.
This standard applies to loaders that load and unload baggage, parcels and other bulk cargo for aircraft.
Note. The bulk cargo loader in this standard refers to the equipment used for aircraft to load and unload luggage, parcels and other bulk cargoes, usually divided into internal combustion type bulk cargo loading
Machine, electric bulk cargo loader and towed bulk cargo loader.
2 Normative references
The 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 references, the latest version (including all amendments) applies to this document.
GB 1495 Limits and measurement methods of noise outside the vehicle during acceleration
GB/T 3766 General technical conditions for hydraulic systems
GB 7258 Safety technical conditions for motor vehicle operation
GB/T 7593 Symbols for driver control devices and other display devices of motorized industrial vehicles
GB/T 7935 General technical conditions for hydraulic components
GB/T 9969 General Rules for the Use of Industrial Products
GB/T 12544 Maximum speed test method for automobiles
GB/T 12547 Lowest stable vehicle speed test method
GB/T 12673 Measuring method for main dimensions of automobiles
GB/T 12674 Method for determination of automobile quality (weight) parameters
GB/T 12678 Automobile Reliability Driving Test Method
GB/T 14436 General Rules of Guarantee Documents for Industrial Products
GB 20891 Limits and measurement methods of exhaust pollutants from diesel engines for non-road mobile machinery
GJB 150.3 Military equipment environmental test method high temperature test
GJB l50.4 Military equipment environmental test method Low temperature test
JB/T 5943 General technical conditions for welding parts of construction machinery
QC/T 484 Automotive paint coating
QC/T 625 coating and chemical treatment layer for automobile
3 Technical requirements
3.1 General requirements
3.1.1 All purchased parts of bulk cargo loaders (hereinafter referred to as bulk loaders) shall meet the requirements of relevant national or industry standards, with
Prepare factory certificate.
3.1.2 The welding of the structural parts of the bulk machine should meet the requirements of JB/T 5943.
3.1.3 The paint coating of the bulk machine shall comply with the requirements of QC/T 484.
3.1.4 The coating and chemical treatment layer of the parts of the bulk machine shall meet the requirements of QC/T 625.
3.1.5 When the bulk machine adopts the riveting process, the rivets should be arranged neatly, and there should be no skew, crush, looseness, and head defects. All parts should be
No sharp edges or sharp corners.
3.1.6 The connecting parts and fasteners of the bulk machine should be connected reliably and have anti-loosening measures.
3.1.7 Bulk oil circuit, gas circuit system pipeline and electrical installation should be neatly arranged, clamped firmly, and should not rub or interfere with moving parts.
3.1.8 There should be no oil, water, or air leakage in the pipelines of the bulk machine.
3.1.9 Each wire terminal of the electrical equipment of the bulk machine should have an obvious mark that is not easy to fall off.
3.1.10 The operation and maintenance parts of the bulk machine should have sufficient operating space.
3.1.11 The width of the towed bulk machine should be less than 2 000 mm, and the width of the bulk machine with a cab (tower) should be less than 2.200 mm.
3.1.12 The axle load of the bulk machine should not exceed the maximum design axle load of the axle, and the bearing capacity of the tire should match the axle load of the bulk machine.
The ratio of the load to the curb weight of the bulk machine should not be less than 20%.
3.1.13 The external lighting and optical signal devices of the bulk machine shall meet the requirements of EN 1915-1.
3.1.14 The height of the two ends of the conveying rack can be adjusted, and its height should be able to meet the requirements of the model being served, and the deviation from the design value should not be more than 30 mm.
3.2 Safety requirements
3.2.1 Basic requirements
3.2.1.1 The carrying capacity of the working plane, steps and tread surface of the bulk machine operator shall not be less than 225 kg/m2 (including 150 kg cargo
Material quality and a person’s weight), and there should be anti-slip measures.
3.2.1.2 For bulk machines with open cabs with seats, the seats shall be equipped with safety belts.
3.2.1.3 The cylinder body of the lifting cylinder of the bulk machine shall be provided with a safety locking device to prevent accidental retraction of the cylinder piston rod.
3.2.1.4 The bulk machine should be equipped with mechanical locking devices on the lifting equipment to facilitate maintenance under the conveyor frame.
3.2.1.5 Anti-collision protection devices should be installed at all places where the bulk carrier may contact the aircraft.
3.2.1.6 The bulk machine should be equipped with at least one 8 kg dry powder fire extinguisher.
3.2.1.7 A bulk machine equipped with an automatic transmission chassis can only start the engine when the gear is in neutral.
3.2.1.8 C-type low-intensity aviation obstruction lights complying with MH/T 6012 "Aviation Obstruction Lights" shall be installed at obvious positions on the boarding ladder.
3.2.1.9 The bulk machine should be equipped with a mechanical main power switch and a key start switch.
3.2.2 Towed bulk machine
3.2.2.1 The tow bar of the towed bulk machine shall have sufficient rigidity and strength, and shall not be permanently deformed under the specified working conditions to ensure
Towing is safe and reliable.
3.2.2.2 The tow bar of the towed bulk machine should have sufficient length to prevent the equipment and the towing vehicle from colliding with each other when turning at the minimum radius.
3.2.2.3 When the tow bar of the towed bulk machine is in a vertical position, it should be mechanically locked.
3.2.2.4 The distance between the tow bar of the towed bulk machine and the ground when it is lowered should not be less than 120 mm.
3.2.2.5 The towed bulk machine should be turned to be light and portable.
3.2.3 Electric bulk machine (only applicable to electric bulk machine with lead-acid battery as energy)
3.2.3.1 Circuit safety protection
3.2.3.1.1 The electric bulk machine shall be equipped with a seat cut-off switch independent of the control system, which shall be automatically cut off when the driver leaves the vehicle
Drive the main circuit.
3.2.3.1.2 After the electric bulk machine is powered off, the drive system should only be restarted through the normal power-on procedure.
3.2.3.1.3 The plug-in charging bulk machine should not be able to drive when charging, and the charging circuit should be isolated from the bulk machine chassis.
3.2.3.1.4 The operation console of the electric bulk machine shall be provided with an obvious working status signal display device.
3.2.3.1.5 The electric bulk machine shall be provided with a red mushroom type main power emergency disconnect switch at a position within the reach of the driver.
3.2.3.1.6 The driving motor and steering motor circuit of the electric bulk machine should be equipped with overcurrent protection devices.
3.2.3.1.7 For bulk machines that use battery packs with a voltage of not less than 60 V, protective measures should be taken at all parts that may cause electric shocks.
And is equipped with high-voltage warning signs.
3.2.3.1.8 For bulk machines with battery packs with a voltage not less than 60 V, the power system should be isolated from the chassis.
3.2.3.1.9 The power supply of the power system of the electric bulk machine shall adopt a two-wire loop design.
3.2.3.2 Insulation
3.2.3.2.1 The insulation class of the motor should not be lower than class H.
3.2.3.2.2 No silicone material should be used for any part of the motor.
3.2.3.2.3 When working under the limited temperature of the insulation class, the electrical and mechanical properties of the enameled wire should not be reduced, even if it is connected under the specified working system.
Continue to work, the enameled wire should not lose its insulation.
3.2.3.2.4 The insulation resistance of the battery should not be less than 50 Ω times the rated voltage of the battery pack, and the insulation resistance of other electrical equipment should be
Not less than 1 kΩ multiplied by the rated voltage of the battery pack.
3.2.3.3 Battery box
3.2.3.3.1 The battery should be placed in a battery box with a cover, and the distance between the metal cover and the live parts of the battery should not be less than 30 mm.
If it can be ensured that the cover or the live parts of the battery will not fall or move, the distance can be reduced to not less than 10 mm.
3.2.3.3.2 When a force of 980 N is applied to the 300 mm×300 mm area of the cover, the cover should not contact the terminal surface. Cover
In normal use, it should be tightly closed and will not move.
3.2.3.3.3 Appropriate ventilation holes should be provided in the battery box and cover to prevent danger due to gas accumulation.
3.2.3.3.4 The inner surface of the battery box should be resistant to chemical corrosion from the electrolyte. The battery box should take measures to prevent electrolyte from flowing to the ground.
3.2.3.3.5 The removable battery box shall be easy to disassemble and assemble.
3.2.3.4 Motor
3.2.3.4.1 The driving motor should adopt S2 60 min or S1 working system; the motor protection level should not be lower than IP55.
3.2.3.4.2 If the steering motor is selected, the S2 30 min, S2 60 min or S1 working system shall be adopted, and the protection level shall not be lower than
IP55.The steering motor should be able to ensure that the comprehensive stress and temperature rise experienced will not cause any component failure or excessive deformation.
3.2.3.4.3 When the bulk machine needs to drive by changing the direction of motor rotation, a motor commutation protection device should be installed to ensure that only the bulk machine
Motor commutation can only be realized when parking.
3.2.3.5 Other
3.2.3.5.1 All electrical components (including wiring harness) of the bulk machine should be reliably fixed and appropriate protection measures should be taken.
3.2.3.5.2 The cable connector should match the power cable and be crimped firmly, and its protection level should not be lower than IP55.The voltage is not less than 60 V (DC)
The cable connector should have a locking device.
3.2.3.5.3 When the remaining power of the power battery reaches the lower limit, there should be a warning display (for example. sound and light signals), and it should be ensured that.
a) The bulk machine drives to the charging area;
b) Lighting power supply.
3.3 Dedicated device
3.3.1 Transport rack
3.3.1.1 The design of the transfer rack should make it easy for operators to access the aircraft door, open or close the door safely, and enter and exit the aircraft cabin.
3.3.1.2 The maximum transmission angle of the transmission rack should not be less than 24°.
3.3.1.3 The uniformly distributed longitudinal load should not be less than 135 kg/m.
3.3.1.4 The transfer rack should be able to transfer goods with an area of (600×800) mm² and a mass of not less than 400 kg at one time.
3.3.1.5 The time for the transfer rack to rise from the lowest position to the highest position or from the highest position to the lowest position should not exceed 15 s.
3.3.1.6 When the bulk machine is fully loaded, and the conveying angle is 24°, the 30-minute drop of the front end of the conveying rack should not exceed 20 mm.
3.3.1.7 When the bulk machine is fully loaded, when the transmission angle is 24°, the sliding amount of the conveyor belt in 10 minutes should not exceed 1.200 mm.
3.3.2 Conveyor belt
3.3.2.1 The width of the conveyor belt should not be less than 600 mm, and the outer surface should be smooth and free of protrusions.
3.3.2.2 The conveyor belt should not accumulate water.
3.3.2.3 When the conveyor belt is started or when the tilt angle of the conveyor frame is at its maximum, the friction on the surface of the conveyor belt should prevent the goods from sliding down or rolling down.
3.3.2.4 The conveyor belt supported by rollers or other devices should be sufficient to ensure safe transport of goods or safe walking of operators.
3.3.2.5 Under any climatic conditions, when the conveyor rack bears the maximum load, the conveyor system should not slip.
3.3.2.6 The tension and deviation of the conveyor belt should be adjustable.
3.3.2.7 The transmission speed of the conveyor belt should be 0.16 m/s～0.5 m/s.
3.3.3 Guardrail and guide baffle
3.3.3.1 A telescopic or foldable guardrail should be installed on one side of the conveyor rack, and the guardrail should be 850 mm higher than the surface of the conveyor belt. The folded guardrail should
Below the surface of the conveyor belt.
3.3.3.2 When the guardrail has telescopic parts, it should be able to withstand a force of.200 N without moving, and it should be able to be lifted smoothly and safely.
3.3.3.3 Folding and telescopic guardrails should have fixing devices.
3.3.3.4 A guide baffle should be installed on the side where the guardrail is not installed. When the guide baffle is erected, it should be 100 mm higher than the surface of the conveyor belt. Inside the guide baffle
Should be smooth.
3.3.3.5 The distance between the guide baffles or guardrails on both sides of the conveyor belt should not be less than 800 mm.
3.3.3.6 The guardrail and guide baffle should be shorter than the transmission frame when erected, the front end is not less than 500 mm, and the rear end is not less than 1,500 mm.
3.3.4 Control device
3.3.4.1 The operation graphic symbols of the control device shall comply with the provisions of AHM 915.
3.3.4.2 The control devices and indicator lights should be centrally arranged at appropriate locations, and should be clearly visible under natural light and lighting conditions.
3.3.4.3 The control device should be reasonably arranged, easy to distinguish, and prevent misoperation.
3.3.4.4 Corresponding indicator lights should be installed near the control device.
3.3.4.5 A red mushroom-shaped emergency stop button and instrument lighting for night operation should be provided on the control panel.
3.3.4.6 The control panel shall be equipped with a speedometer and a working hour meter.
3.3.4.7 The internal combustion type bulk machine should be equipped with fuel gauge. Electric bulk machine should be equipped with a power meter, the maximum allowable error of its full scale indication is 10%,
When the remaining power of the battery pack is less than 20%, an alarm should be issued.
3.3.4.8 The location, size and operation space of the manual and foot control devices shall be convenient for the operators to wear gloves and boots for operation. foot
The size of the control device should not be less than 50 mm×75 mm, and non-slip materials should be used.
3.3.4.9 The design of the control device or control loop shall ensure that no unsafe factors will be generated even if a control device or its loop fails.
3.3.4.10 The bulk machine using automatic transmission shall be equipped with a restriction mechanism to ensure accurate gear shifting, and shall be equipped with a mechanism to prevent direct transmission between forward and reverse gears.
Converted device.
3.3.4.11 When the bulk machine is running, the conveyor belt, lifting cylinder and outrigger should not be able to move.
3.3.4.12 The control device should be fully protected to prevent accidental activation or damage caused by items falling from a height.
3.3.4.13 The lifting at both ends of the transmission frame should only be controlled in the cab.
3.3.4.14 A red mushroom-shaped emergency stop button shall be provided at both ends of the conveyor frame.
3.3.5 Fuel tank and accessories (only applicable to internal combustion type bulk machine)
The location of the fuel tank and accessories should be.
--Maximum protection from impact;
--Ensure that fuel does not drip onto the engine, exhaust system, and electrical components.
3.3.6 Exhaust system (only applicable to internal combustion type bulk machine)
--The exhaust system outside the engine manifold should be fixed, and its location should be.
--The distance from flammable materials is not less than 76 mm;
--The distance from the fuel, hydraulic and electrical systems is not less than 50 mm;
-Avoid oil dripping on it;
--Ensure that the exhaust will not cause harm to personnel or other materials and equipment.
3.3.7 Emergency device
3.3.7.1 The bulk machine should be equipped with at least one auxiliary emergency device, and should be provided with clear and obvious signs and operating instructions. When the bulk machine appeared
In the event of any failure, the conveyor frame and outriggers should be able to reset.
3.3.7.2 Traction devices shall be provided at the front and rear ends of the bulk machine.
3.4 Stability
3.4.1 If the front and rear axles of the chassis are equipped with damping devices, outriggers should be installed and a safety interlocking device should be installed to prevent the outriggers from being completely retracted.
The vehicle is moving.
3.4.2 Outriggers with power drive should be equipped with unreset alarm devices.
3.4.3 The outriggers should be provided with black and yellow reflective strips, and the outriggers should be red.
3.4.4 When the bulk machine is in the worst working condition and the anti-tipping moment is 1.2 times the tipping moment, it should be able to withstand the wind speed not less than 75 km/h
The wind speed is calculated according to formula (1) and formula (2).
Note. The worst working condition means that the outriggers are extended all the way, and the overhead load is transmitted and raised to the highest.
3.5 Maneuverability
3.5.1 The approach angle of the bulk machine should not be less than 10°, and the departure angle should not be less than 5°.
3.5.2 The minimum ground clearance of towed bulk machine should not be less than 150 mm, and the minimum ground clearance of other bulk machines should not be less than 127 mm.
3.5.3 The minimum turning radius of the bulk machine should not be greater than 12.2 m.
3.5.4 The maximum traveling speed of internal combustion type bulk loader should not be less than 25 km/h, and the maximum traveling speed of electric bulk loader should not be less than 20 km/h.
3.5.5 Internal combustion type bulk loader and electric type bulk loader should be able to drive stably at low speed (≤3 km/h), and should be stable and impact-free at low speed.
3.5.6 The service brake of bulk loader with a maximum speed of not less than 30 km/h shall meet the requirements of GB 7258; the maximum speed shall be less than 30 km/h
The service brake of the bulk machine should comply with EN 1915-1.
3.5.7 When the towed bulk machine is disengaged from the tractor, it should be able to brake itself, and its braking deceleration should not be less than 1.32 m/s2.
3.5.8 The parking brake of the bulk machine should be able to brake reliably on a slope with a slope of 7%.
3.5.9 The endurance of the electric bulk machine should meet the design requirements, and the number of shutdowns of the prototype vehicle during the test should not exceed 3 times.
The time should not exceed 15 minutes.
Note. Endurance refers to the maximum distance and maximum transmission that an electric bulk machine can travel continuously under specified operating conditions when the power battery is fully charged.
Send the sum of tonnage.
3.6 Cab
3.6.1 The shape and layout of the cab should not obstruct driving or operating sight.
3.6.2 The front windshield glass should be equipped with wipers.
3.6.3 All doors, windows, and windshield glass should be safety glass.
3.6.4 Rear-view mirrors and lighting lamps should be installed in the cab.
3.7 Hydraulic system
3.7.1 The hydraulic system and hydraulic components of the bulk machine shall meet the requirements of GB/T 3766 and GB/T 7935 respectively.
And set up warning signs.
3.8 Environmental requirements
3.8.1 When the internal combustion type bulk machine accelerates, the noise outside the vehicle should meet the requirements of GB 1495.
3.8.2 The operating noise of the bulk loader should not exceed 85 dB(A) when the bulk loader is lifted and conveyed without load and the load is transferred.
3.8.3 The exhaust pollutant emission limit of internal combustion type bulk engine powered by diesel engine shall meet the requirements of GB 20891.
3.9 Environmental requirements
3.9.1 Working environment temperature
The internal combustion type bulk machine should be able to work normally under the ambient temperature of -40 ℃ ~ 60 ℃. Electric bulk machine should be able to
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