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MHT6017-2017: Aircraft tow tractor
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Aircraft tow tractor
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MH/T 6017-2017
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Basic data | Standard ID | MH/T 6017-2017 (MH/T6017-2017) | | Description (Translated English) | Aircraft tow tractor | | Sector / Industry | Civil Aviation Industry Standard (Recommended) | | Classification of Chinese Standard | V57 | | Classification of International Standard | 49.100 | | Word Count Estimation | 18,185 | | Date of Issue | 2017-01-02 | | Date of Implementation | 2017-04-01 | | Older Standard (superseded by this standard) | MH/T 6017-1999 | | Regulation (derived from) | Civil Aviation Industry Standards Announcement No. 1 of 2017 | | Issuing agency(ies) | Civil Aviation Administration of China | | Summary | This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, signs, signs, instructions for use, packaging, transportation and storage of aircraft tractors. This standard is applicable to aircraft tractors (hereinafter referred to as tractors) that use mop tow or push the aircraft within the airport. | MHT6017-2017: Aircraft tow tractor---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.
Aircraft tow tractor
ICS 49.100
V 57
MH
Civil Aviation Industry Standard of the People's Republic of China
Replace MH/T 6017-1999
Aircraft tractor
2017-01-02 released
2017-04-01 Implementation
Issued by Civil Aviation Administration of China
Table of contents
Foreword...II
1 Scope...1
2 Normative references...1
3 Terms and definitions...1
4 Technical requirements...2
4.1 General requirements...2
4.2 Safety requirements...3
4.3 Maneuverability...4
4.4 Passability...5
4.5 Enclosed cab...5
4.6 Lighting and signaling devices...5
4.7 Hydraulic system...6
4.8 Control device...6
4.9 Emergency device...6
4.10 Environmental protection requirements...6
4.11 Environmental requirements...7
4.12 Reliability...7
5 Test method...7
5.1 General project inspection...7
5.2 Safety requirements check...7
5.3 Maneuverability inspection...7
5.4 Passing inspection...10
5.5 Cab inspection...10
5.6 Inspection of lighting and signaling devices...10
5.7 Hydraulic system inspection...10
5.8 Control device inspection...10
5.9 Emergency device inspection...10
5.10 Environmental inspection...10
5.11 Environmental Inspection...11
5.12 Reliability Inspection...11
6 Inspection Rules...12
7 Signage, logo, instruction manual...13
8 Packaging, transportation, storage...14
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces MH/T 6017-1999 "Aircraft Tractor". Compared with MH/T 6017-1999, the main changes are as follows.
--- Increased electric aircraft tractors, and changed "rod-type aircraft tractors" to "aircraft tractors towed by mops" (see
Chapter 1);
---Added traction device requirements and traction device docking diagram (see 4.1.9);
--Added the technical requirements for tractors to have their own operational data collection and transmission functions (see 4.1.13)
--- Added the technical requirements for the traction device to set a locking mechanism to prevent the traction pin from coming out (see 4.2.1.5);
--- Added technical requirements for electric tractors (see 4.2.2);
-Increased the driving performance requirements of internal combustion tractors after being filled with fuel (see 4.3.1.7);
- Increased the performance requirements for driving range (see 4.3.1.8);
--- Added the technical requirements for the front and rear lighting lamps of the tractor (see 4.6.2);
--- Increase the technical requirements of the hydraulic system safety valve (see 4.7.3);
--- Added the technical requirements for setting fuel gauges for internal combustion tractors and electricity meters for electric tractors (see 4.8.6);
--- Increased the requirements for the operation identification of each control component of the tractor (see 4.8.8);
--- Increase the performance requirements of rainproof (see 4.11.2);
-Modified the maximum traction test method (see 5.3.3,.1999 edition 5.6);
- Added traction capability test (see 5.3.4);
--- Increase the content requirements for the signage of the electric tractor (see 7.1);
-Increased the air pressure, fuel and hydraulic oil filling points and safety signs requirements for pneumatic tires (see 7.2).
The previous version of this standard is released as follows. MH/T 6017-1999.
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. Civil Aviation Professional Engineering Quality Supervision Station, Weihai Guangtai Airport Equipment Co., Ltd., National Engineering Machinery Quality
Quantity Supervision and Inspection Center, Jiangsu Tianyi Airport Special Equipment Co., Ltd.
The main drafters of this standard. Song Xieling, Tong Daishan, Zou Tingnian, Ma Zhigang, Li Chaoyang, Shao Daojie, Zhu Jingmin, Gao Chao, Fang Yanfeng,
Fan Xiangrong, Liao Yifei.
Aircraft tractor
1 Scope
This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, signs, signs, and instructions for aircraft tractors
Books, packaging, transportation and storage.
This standard applies to aircraft tractors (hereinafter referred to as tractors) that use mops to tow or push aircraft within the airport.
Note. Tractors include internal combustion tractors and electric tractors.
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 rules and safety requirements for hydraulic transmission systems and their components
GB/T 4094.2 Marks for electric vehicle controls, indicators and signal devices
GB/T 7593 Symbols for driver control devices and other display devices of motorized industrial vehicles
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 Determination method 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/T 18384.1 Safety Requirements for Electric Vehicles Part 1.Vehicle-mounted Rechargeable Energy Storage System (REESS)
GB/T 18488.1 Motors and Controllers for Electric Vehicles Part 1.Technical Conditions
GB/T 19596 Terminology for Electric Vehicles
GB 20891 Limits and measurement methods of exhaust pollutants from diesel engines for non-road mobile machinery (China's third and fourth stages)
GJB 150.3A Military equipment laboratory environmental test method Part 3.High temperature test
GJB 150.4A Military equipment laboratory environmental test method Part 4.Low temperature test
GJB 150.9A Military equipment laboratory environmental test method Part 9.Damp heat test
MH/T 0023 Graphical symbols for aircraft ground service equipment
QC/T 900 Quality Inspection and Evaluation Method of Automobile Products
3 Terms and definitions
The following terms and definitions defined in GB/T 19596 apply to this document.
3.1
Rated mass
The quality of vehicle equipment including counterweight.
3.2
Rated traction mass
The maximum mass allowed to be towed under the rated mass state of the tractor.
4 Technical requirements
4.1 General requirements
4.1.1 All purchased parts of the tractor shall meet the requirements of relevant national or industry standards, and shall have relevant certification documents and factory qualification certificates.
4.1.2 The appearance of the tractor should be clean and tidy, and all parts and components should be intact and free from defects.
4.1.3 The electrical installation of the tractor shall comply with the electrical schematic diagram, and the terminals shall have obvious marks that are not easy to fall off.
4.1.4 The connecting parts and fasteners of the tractor should be connected reliably and equipped with anti-loosening devices. The tools and accessories of the tractor should be fixed and reliable.
4.1.5 The oil circuit and gas circuit system pipelines of the tractor should be neatly arranged and firmly clamped, and there should be no friction or interference with moving parts.
4.1.6 All electrical components and wiring harnesses of the tractor shall be neatly arranged and firmly fixed, and appropriate protective measures shall be taken.
4.1.7 The oil circuit, gas circuit system pipeline and electrical installation of the tractor should be neatly arranged, firmly clamped, and should not interfere with moving parts.
4.1.8 The tractor should be free of oil, water and air leakage.
4.1.9 Traction devices should be installed before and after the tractor. The traction device should be arranged on the longitudinal axis of the tractor, and it is safe and reliable and easy to operate.
4.1.10 The towing vehicle shall be equipped with fulcrums suitable for standard jacks and shall be easy to identify.
4.1.11 The tractor should be equipped with mooring and lifting devices, and their strength and location should meet the needs of use.
4.1.12 Sufficient operating space should be provided for the operation and maintenance of the tractor.
4.1.13 The tractor shall have its own operational data collection and transmission functions.
4.1.14 When the tractor needs to work under the belly, the height of the whole vehicle should not be greater than 1.65 m.
4.1.15 The axle load of the tractor should not be greater than the maximum design axle load, and the bearing capacity of the tires should match the axle load of the tractor. Steering shaft
The ratio of the load to the curb weight of the tractor should not be less than 20%.
4.2 Safety requirements
4.2.1 Basic safety requirements
4.2.1.1 The tractor should be equipped with at least one 8 kg dry powder fire extinguisher, placed in the cab or on the vehicle body, and easy to take and place.
4.2.1.2 The floor surface material of the driver's and operator's working position should be smooth and non-slip. Handrails should be set at the entry and exit positions, and the working position
When it is 500 mm above the ground, a pedal should be installed.
4.2.1.3 The exhaust direction of the engine should avoid the aircraft, fuel system and electrical system components. If the space through which the exhaust pipe passes is possible
If leakage of lubricating oil, grease or fuel occurs, the exhaust device should be shielded. The structure of the exhaust device should avoid the possibility of fire accumulation.
4.2.1.4 The towing vehicle should be equipped with a parking brake indicator.
4.2.1.5 The traction device should be equipped with a locking mechanism to prevent the traction pin from falling out.
4.2.1.6 The towing vehicle should be equipped with a C-type low-intensity aviation obstruction light that meets the requirements of MH/T 6012 at an appropriate position on the top.
Ignition switch connection.
4.2.1.7 When the tractor is in neutral or parked gear, its engine can be started.
4.2.2 Electric tractor
4.2.2.1 General requirements
4.2.2.1.1 The identification of control parts, indicators and signaling devices shall comply with the requirements of GB/T 4094.2.
4.2.2.1.2 The power battery box and high-voltage components shall be provided with eye-catching warning signs. The power battery box should be clearly marked
Identification of battery chemical type.
4.2.2.1.3 The electric towing vehicle shall have a safe approach function. When the accelerator pedal is not operated, it can start smoothly and drive at low speed without
Shock.
4.2.2.1.4 The electric towing vehicle should go through at least two steps from the "power off" state to the "driving" state. Should be set
A device that prevents unauthorized personnel from starting the tractor.
4.2.2.1.5 When an electric tractor is externally charged, it shall have a charging stop function.
4.2.2.1.6 The charging circuit of an electric tractor shall be isolated from the chassis.
4.2.2.1.7 After power failure, the drive system should go through the normal power supply procedure before restarting.
4.2.2.1.8 Obvious working status indication signals should be set on the operation console, and the graphic symbols should comply with the regulations of MH/T 0023.
4.2.2.1.9 When a battery pack with a voltage greater than 60 V is used, its power system shall be isolated from the chassis.
4.2.2.1.10 The electric towing vehicle shall be equipped with a power cut-off switch independent of the control system. After the driver leaves the driving position 3 s～5 s,
It should be able to automatically disconnect the main driving circuit.
4.2.2.1.11 The driving motor should be equipped with an overcurrent protection device, and the steering motor should be equipped with a short-circuit protection device. When driving normally,
The steering wheel is placed at the maximum steering angle, and the steering motor should be able to work continuously and stably.
4.2.2.1.12 A red mushroom-type main power emergency disconnect switch should be installed at a position within the reach of the driver. A mechanical
Power battery cut-off switch.
4.2.2.1.13 The power supply of the power system shall adopt a two-wire loop design. When the auxiliary circuit is electrically connected to the power system, the auxiliary circuit shall be prevented
The voltage is too high.
4.2.2.1.14 The cable connector should match the power cable and be crimped firmly, and its protection level should not be lower than IP55.DC voltage at 60V
(Inclusive) The above cable connectors should be equipped with locking devices.
4.2.2.1.15 The sound and light warning signal should be set when the remaining power of the power battery reaches the lower limit, and it should be ensured that the tractor is in the lighting power supply bar.
Under the package, drive to the charging area (the driving distance is not less than 1 km).
4.2.2.2 Insulation
4.2.2.2.1 The insulation class of the motor should not be lower than class H.
4.2.2.2.2 No silicone material should be used for any part of the motor.
4.2.2.2.3 When working at 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.
4.2.2.2.4 Under the maximum operating voltage, the minimum insulation resistance of the DC circuit should be greater than 100 Ω/V, and the minimum insulation resistance of the AC circuit
The small value should be greater than 500 Ω/V.
4.2.2.2.5 The creepage distance should meet the requirements of GB/T 18384.1.
4.2.2.3 Battery
4.2.2.3.1 The battery should be placed in a battery box with a cover. The distance between the metal cover and the live parts of the battery should not be less than 30 mm.
4.2.2.3.2 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 not move.
4.2.2.3.3 The battery box and its cover shall be provided with appropriate ventilation holes to prevent danger due to gas accumulation.
4.2.2.3.4 The inner surface of the battery box should be resistant to chemical corrosion from the electrolyte. The battery box should adopt protective devices to prevent electrolyte from flowing to
on the ground.
4.2.2.3.5 The storage battery and its cabinet shall be installed firmly and easy to disassemble.
4.2.2.3.6 Batteries other than lead-acid batteries should be equipped with battery management systems and online insulation testing devices.
4.2.2.4 Motor
4.2.2.4.1 The motor and its controller should meet the requirements of GB/T 18488.1
4.2.2.4.2 The driving motor should adopt S2 60 min or S1 working system; the motor protection level should not be lower than IP55.
4.2.2.4.3 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.
4.2.2.4.4 When the electric tractor needs to drive by changing the direction of motor rotation, a motor reversing protection device should be installed to ensure that only
The motor can be switched when the tractor is stopped.
4.3 Maneuverability
4.3.1 Power performance
4.3.1.1 When the ambient temperature is not lower than -5 ℃, the tractor should be able to start successfully within 3 times.
4.3.1.2 The tractor should be equipped with a low-temperature starting device, which can start smoothly within 30 minutes at an ambient temperature of -15°C.
4.3.1.3 When the tractor is in the rated mass state, the minimum stable vehicle speed should not be greater than 3 km/h, and the maximum vehicle speed should not be less than 25 km/h.
4.3.1.4 The maximum traction of electric tractors shall meet the design requirements when the electricity is 100% and 50%.
4.3.1.5 The towing performance of the tractor shall be matched with the aircraft type to be served.
4.3.1.6 The electric tractor pulls the rated traction load, starting from the full power of the power battery until the low power alarm of the power battery,
It should be able to drive continuously, and the motor, power battery, controller, etc. should not be overheated.
4.3.1.7 After the internal combustion tractor is full of fuel, it should be able to tow 0.5 times the rated traction load and work continuously for no less than 8 hours.
4.3.1.8 The driving range of an electric tractor shall not be less than 50 km.
4.3.2 Transmission
4.3.2.1 The transmission device should run smoothly and without impact. When turning or driving in a curve, the left and right driving wheels should operate in coordination.
4.3.2.2 A tractor equipped with an automatic transmission shall be equipped with a shift limiting device to prevent direct conversion between forward gear and reverse gear when the vehicle is not stopped.
4.3.3 Steering performance
4.3.3.1 When the tractor is equipped with more than one steering mode, the steering modes should be interlocked.
4.3.3.2 The steering device should be compact in structure, easy to install, flexible and reliable in operation.
4.3.3.3 When the tractor transitions from a straight line to the maximum steering angle, the number of turns of the steering wheel should not exceed 2.5 turns.
4.3.3.4 The maximum free turning angle of the steering wheel of the tractor shall not be greater than 15°.
4.3.4 Braking performance
4.3.4.1 The towing vehicle shall be equipped with a service brake device on all wheels, and the brake pipeline shall adopt a dual-pipe or multi-pipe system to ensure braking.
Stable and reliable.
4.3.4.2 Under the condition of rated quality, the average braking deceleration of the tractor shall not be less than 2.5 m/s2 when the full service brake pipeline is effective.
When the road is effective, the average braking deceleration should not be less than 1.5 m/s2.
4.3.4.3 The tractor shall be able to reliably park and brake on a slope with a slope of 15% under the rated mass condition.
4.3.4.4 The parking brake device should be used as an emergency brake device when the service brake device fails.
4.4 Passability
4.4.1 The minimum ground clearance should not be less than 127 mm.
4.4.2 The approach angle and departure angle should not be less than 5°.
4.4.3 The minimum turning diameter should not be greater than 15.2 m.
4.5 Enclosed cab
4.5.1 The cab should accommodate at least 2 people.
4.5.2 The shape and layout of the cab should not obstruct driving or operating sight, and the driver should be able to clearly observe the traction device.
4.5.3 All doors, windows and windshield glass should use safety glass, and the front windshield glass should be equipped with defrosting and defogging devices.
4.5.4 Wipers should be installed on the front and rear windshields of the main cab, and the area of the wipers should ensure that the driver has a good vision.
4.5.5 The liftable cab should be stable and free from jamming when lifting, and the lifting speed should be within the range of 50 mm/s to 130 mm/s. drive
When the top of the room is less than 150 mm from the aircraft, the ascent should stop.
4.5.6 A towing vehicle with bidirectional driving should always have the parking brake effective when switching driving directions.
4.6 Lighting and signaling devices
4.6.1 The tractor should be equipped with at least the lamps listed in Table 1.
4.6.2 The front and rear of the tractor should be equipped with working lights. The lighting should not dazzle the people in the cockpit of the aircraft.
4.6.3 The towing vehicle should be equipped with a reversing sound alarm signal.
4.7 Hydraulic system
4.7.1 It shall meet the requirements of GB/T 3766, and the hydraulic components shall meet the requirements of GB/T 7935.
4.7.2 In addition to the hydraulic brake device, a pressure gauge interface shall be provided at the easily accessible part of the pressure pipe of the hydraulic system.
And set up warning signs.
4.7.4 The hydraulic system should be equipped with an exhaust device.
4.7.5 The hydraulic oil tank should be equipped with an oil gauge, and the allowable maximum and minimum oil level boundaries should be clearly marked. Filling and draining ports of hydraulic oil tank
It should be reasonably set up and easy to operate.
4.7.6 The hydraulic lifting cylinder should be equipped with a safety lock device on the cylinder body to prevent accidental retraction of the cylinder rod.
4.8 Control device
4.8.1 The graphic symbols used on the control panel and operating devices shall comply with the requirements of MH/T 0023.
4.8.2 The indicator lights on the control panel should be centrally arranged in appropriate locations and should be clearly visible under natural light and lighting conditions.
4.8.3 The operating parts on the control panel should be clearly and reasonably arranged and easy to distinguish.
4.8.4 The position of the control panel should be convenient for manipulation and observation.
4.8.5 Speed odometer and working hours meter should be set on the control panel.
4.8.6 The internal combustion tractor should be equipped with a fuel gauge. Electric tractors should be equipped with a power meter, and the maximum allowable error of the full scale indication is 10%.
When the remaining power of the battery pack is less than 30%, a sound and light alarm should be issued.
4.8.7 The monitoring instrument that comes with the power plant shall meet the requirements of the corresponding product specification, and the accuracy level of other monitoring instruments shall not be lower than
Level 2.5.
4.8.8 All control parts of the tractor shall have obvious operation marks, and the operation direction shall be coordinated with the movement direction of the control mechanism.
4.8.9 The control device should be light and flexible, reliable in work, and the setting position should be able to prevent misoperation of touching other control parts during operation.
4.8.10 The control device for controlling the lifting of the cab and the retracting and unfolding of the built-in jack should adopt a double switch.
4.9 Emergency device
4.9.1.1 The tractor shall be equipped with an emergency steering system. During emergency steering, the operating force of the steering wheel shall not exceed 60 N.
4.9.1.2 The tractor shall be equipped with an emergency braking system. When the main power fails, it shall be able to brake continuously and effectively for no less than 5 times.
4.9.1.3 The towing vehicle shall be equipped with an emergency release device for the parking brake, which can be manually released when it cannot be released normally.
4.9.1.4 An emergency descent speed limiting device is to be installed on the bridge. When the main power fails, the descent speed should not be greater than 1.5 times the rated lifting speed.
4.10 Environmental requirements
4.10.1 When the towing vehicle is accelerating, the noise outside the vehicle should meet the requirements of GB 1495.
4.10.2 The emission limits of exhaust pollutants of internal combustion tractors shall meet the requirements of GB 20891.
4.11 Environmental requirements
4.11.1 Environment
The internal combustion tractor should be able to work normally under the conditions of an ambient temperature of -40 ℃ to 60 ℃ and a relative humidity of not more than 95%. Electric
The tractor should be able to work normally under the conditions of an ambient temperature of -15 ℃～45 ℃ and a relative humidity of not more than 95%.
4.11.2 Rain
All parts of the tractor shall be able to operate normally under the rain intensity specified in Table 2.There should be no obvious leakage in the enclosed cab of the tractor.
4.12 Reliability
On a flat, dry, and clean hard pavement (asphalt or cement pavement), the tractor will drive for 150 hours at a speed of 20 km/h.
There should be no fatal failures during this period, and the mean time between failures should not be less than 70 h.
5 Test method
5.1 General project inspection
5.1.1 Visual inspection
Visually inspect items 4.1.1 to 4.1.13.
5.1.2 Dimension measureme...
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