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MH/T 6030-2024 English PDF

MH/T 6030: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
MH/T 6030-2024	RFQ	ASK	3 days	Conveyer belt loader	Valid
MH/T 6030-2014	RFQ	ASK	3 days	(Bulk cargo loader)	Obsolete

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

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 activatio......

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