GB/T 37245-2018 English PDF (GBT37245-2018)

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GB/T 37245-2018: General Technical Requirements for Center-axle Trailer
GB/T 37245-2018
General technical requirements for centre--axle trailer
ICS 43.080.01
T70
National Standards of People's Republic of China
General technical conditions for center axle trailer
Published on.2018-12-28
2019-07-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 range 1
2 Normative references 1
3 Terms and Definitions 2
4 Technical requirements 2
5 Test method 7
6 Inspection rules 7
7 Identification, on-board documentation, transportation and storage, and factory requirements 7
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was jointly proposed by the Ministry of Industry and Information Technology of the People's Republic of China and the Ministry of Transport.
This standard is under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC114).
This standard is mainly drafted by. Highway Science Research Institute of the Ministry of Transport, CIMC Vehicle (Group) Co., Ltd., China National Heavy Duty Truck Group Qingdao
Heavy Industry Co., Ltd., CIMC Vehicle (Shandong) Co., Ltd., China National Heavy Duty Truck Group Technology Development Center, Tianjin Raul Industrial Company, Shandong Liangshantong
Asia Automobile Manufacturing Co., Ltd., Changshu Huadong Automobile Co., Ltd., Shandong Xunli Special Vehicle Co., Ltd.
The main drafters of this standard. Zhang Hongwei, Shu Lei, Zhang Xueli, Wang Haipeng, Dong Jinsong, He Xiansong, Zhang Hao, Zong Chengqiang, Song Yanwen, District Chuanjin,
Zhou Defence, Wang Jianye, Yu Changyang, Qiu Lifu, Yang Fengqin, Ma Zhicai, Yan Shijie, Wang Ning, Li Daopeng, Ren Zekai, Ji Haiyan, Huang Chaozhi.
General technical conditions for center axle trailer
1 Scope
This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, on-board documents, transportation and storage of the central axle trailer.
Deposit and factory requirements.
This standard applies to central axle trailers that travel on roads. Other central axle trailers are referenced for implementation.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 1589 Car, trailer and car train profile size, axle load and mass limit
GB/T 3730.1-2001 Terms and definitions for types of vehicles and trailers
GB/T 3730.2 road vehicle quality vocabulary and code
GB/T 3730.3 Terms for vehicles and trailers and their definition of vehicle dimensions
Interchangeability of GB/T 4781 road vehicle 50 mm towbar hanging loop
GB 4785 Installation regulations for external lighting and light signal devices for automobiles and trailers
GB/T 5053.1 Road vehicle between the tractor and the trailer electrical connector 7-core 24V standard type (24N)
GB 7258 Motorcycle Operation Safety Technical Conditions
GB 11567 Protection requirements for side and rear parts of automobiles and trailers
GB 12676 Technical requirements and test methods for brake systems for commercial vehicles and trailers
GB/T 13594 Anti-lock braking performance and test method for motor vehicles and trailers
GB/T 13873 road vehicle freight trailer test method
GB/T 13881 air brake pipe connector between tractor and trailer
GB/T 15087 Road Vehicle Traction Vehicle and Traction Rod Trailer Mechanical Connection Device Strength Test
GB 15741 car and trailer number plate (rack) and its position
GB/T 17350 special vehicle and special trailer terminology, code and preparation method
GB/T 17382 Series 1 container loading and unloading and bolting
GB/T 18411 road vehicle product signage
GB/T 20716.1 Electrical couplings between road vehicles and trailers - Part 1 . Brass
System and walking system connection
GB 23254 truck and trailer body reflective logo
GB/T 25979 road vehicle heavy commercial vehicle train and articulated bus transverse stability test method
GB 25990 vehicle tail sign board
General technical conditions for GB/T 26774 vehicle transport vehicles
GB/T 26777 trailer support device
GB/T 26778 car train performance requirements and test methods
GB 29753 Road transport food and biological products refrigerated truck safety requirements and test methods
Interchangeability of GB/T 32860 road vehicle towbar connectors
GB/T 32861 Electrical and pneumatic connection position between road vehicle tractor and trailer
GB/T 35782 road sling transport vehicle technical conditions
GB/T 36121 Travel trailer technical requirements
JB/T 5943 General technical conditions for welding parts of construction machinery
JT/T 389 van trailer technical conditions
QC/T 484 automotive paint coating
Mechanical interchangeability between traction vehicles and center axle trailers in front of ISO 11407 commercial road vehicle traction connectors
(Commercialroadvehicles-Mechanicalcouplingbetweentowingvehicleswithcouplingmountedfor-
Wardandbelow,andcentre-axletrailers-Interchangeability)
ISO 12357 Road Vehicle Traction Vehicle and Rigid Rod Trailer Mechanical Connection Device Strength Test (Roadvehicles-
Drawbarcouplingsandeyesforrigiddrawbars-Strengthtests)
3 Terms and definitions
GB 1589, GB/T 3730.1~3730.3, GB/T 17350 and the following terms and definitions apply to this document.
For ease of use, some of the terms and definitions in GB/T 3730.1 are repeated below.
3.1
Center axle trailer centre-axletrailer
The traction device cannot move vertically (relative to the trailer), and the axle is located in the trailer that is close to the center of gravity of the trailer (when it is evenly loaded). Such vehicle
Only a small vertical static load acts on the tractor, not exceeding 10% of the maximum mass of the trailer or 10000N (both
Take the smaller one). One or more of the shafts can be driven by a tractor.
[GB/T 3730.1-2001, definition 2.2.3]
3.2
Center-mounted truck train centre-axletrailercombination
A combination of a truck and a center axle trailer.
3.3
Van central axle trailer vancentre-axletrailer
A center-mounted axle trailer with independent enclosed compartment structure, including fixed box and exchangeable box, and capable of withstanding the specified load.
3.4
Vehicle transport center axle trailer centre-axletrailerofcarcarrier
It has a single or multi-layer cargo platform for loading the center axle trailer for transporting passenger cars.
3.5
Travel home center axle trailer centre-axlecaravans
A center axle trailer that meets living requirements and road use requirements.
4 Technical requirements
4.1 Complete vehicle
4.1.1 The center axle trailer shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures.
4.1.2 Outsourcing and outsourcing parts shall comply with the relevant standards and have the certificate of the manufacturer, which can be used only after passing the inspection by the OEM;
Self-made parts can be assembled after passing the inspection.
4.1.3 The outer dimensions, axle load and quality limits of the central axle trailer shall comply with the provisions of GB 1589.
4.1.4 At full load, the central axis of the center axle trailer should be offset forward from the center of the trailer axle group to ensure that the vertical load at the traction loop is less than that of the trailer.
10% of the total mass or 10000N (both smaller).
4.1.5 When the central axle truck train is fully loaded and the vehicle speed is not less than 90km/h, the structure, configuration and performance of the center axle trailer shall conform to the design and
Requirements.
4.1.6 The installation position of the electrical connector between the truck and the center axle trailer shall comply with the provisions of GB/T 32861, and the central axle trailer electrical connection
The distance between the connector mounting plate and the center of the traction loop should be no less than 1400mm, and if necessary, increase the pipeline protection device.
4.1.7 Projection point of the central axis trailer traction loop center on the horizontal plane to the center axle trailer first axis left and right wheel center on the horizontal plane
The distance difference between the shadow points should be no more than 3mm; the difference between the center distance of the left and right wheels between adjacent axles should be no more than 2mm.
4.1.8 When the center-mounted axle trailer is connected with the truck, the minimum ground clearance should be not less than when the center axle trailer support device is retracted.
320mm.
4.1.9 The size parameters of the connecting device of the central axle trailer (excluding the trailer) and the position parameters of the truck connector fitted thereto shall be in the vehicle.
The front end of the frame is clearly marked and clearly identified in the technical documentation.
4.1.10 The vehicle-mounted axle-mounted trailer shall comply with the relevant vehicle requirements in GB/T 26774; the central-mounted axle trailer shall comply with GB/T 36121.
Related vehicle requirements in the middle.
4.1.11 The refrigerating and heat insulation performance of the refrigerated van type central axle trailer shall comply with the provisions of GB 29753.
4.2 frame
4.2.1 When the total length of the frame is not more than 8000mm, the length dimension deviation is ±5mm; for each 1000mm increase in length (less than 1000mm)
According to 1000mm), the length dimension deviation is increased by 1mm; the width dimension deviation is ±4mm at any measurement point.
4.2.2 The longitudinal straightness tolerance of the web of the stringer is 2 mm over any length of 1000 mm and is one thousandth of its length over its full length.
4.2.3 In any cross section of the longitudinal and transverse beams, the vertical tolerance of the upper and lower wings facing the web is not more than one percent of the width of the wing.
4.2.4 The symmetrical upper plane of the left and right longitudinal beams of the frame assembly shall be in the same plane, and the flatness tolerance shall be one thousandth of the length of the measured plane.
4.2.5 The vertical tolerance of the main beam of the frame to the web of the longitudinal beam is not more than three thousandths of the length of the beam.
4.2.6 When the length of the frame is not more than 4000mm, the difference between the diagonals of the frame is not more than 6mm; for every 1000mm increase in length (not enough)
1000mm according to 1000mm), the difference between the diagonal of the frame is allowed to increase by 1mm.
4.2.7 The frame carrying the exchangeable car body shall be equipped with a locking mechanism complying with the relevant requirements of GB/T 17382.
4.3 Car body
4.3.1 The deviation of the length of the inner and outer lengths of the box-type central axle trailer is ±8mm, and the maximum outer length is not more than 8000mm.
4.3.2 The inner and outer width of the van type central axle trailer and the height deviation of the interior of the compartment are ±5mm, and the maximum outer width is not greater than
2550mm (refrigerated trailer is no more than 2600mm).
4.3.3 The longitudinal symmetry center plane of the van type central axle trailer body and the longitudinal symmetry center plane of the frame shall coincide, and the deviation shall not exceed 2 mm.
4.3.4 The bottom plate of the van type central axle trailer body shall meet the design requirements, and the diagonal difference shall not exceed one thousandth of the total length of the carriage.
4.3.5 The strength and tightness of the van type central axle trailer body shall comply with the provisions of JT/T 389.
4.4 Main assembly
4.4.1 The center axle trailer should be fitted with a 50mm traction loop. The interchangeability and mechanical strength should be in accordance with GB/T 4781 and GB/T 15087.
It is stipulated that the connector installed on the truck and its mechanical strength shall comply with the provisions of GB/T 32860 and ISO 12357.
4.4.2 Center-mounted axle trailers (except for residential trailers) shall be equipped with independent dual-line brake systems for energy supply pipelines and control pipelines, and air brake performance.
Can meet the requirements of GB 7258, GB 12676.
4.4.3 The central axle trailer (except the trailer) shall be equipped with an anti-lock braking system in accordance with GB/T 13594.
4.4.4 Mid-axle trailers (except for trailers) should be fitted with radial tires. Pilotless radial tires should be used. The sum of the tire loads should be
Meet the axle load requirements.
4.4.5 The center suspension trailer should be fitted with an air suspension.
4.4.6 The supporting device shall meet the support requirements for the front and rear loads of the center axle trailer after picking up and hanging, and shall comply with the relevant provisions of GB/T 26777 and
Product design requirements.
4.4.7 The installation of external lighting and optical signal devices shall comply with the provisions of GB 4785, and the electrical connector wiring between the truck and the center axle trailer
The method should comply with the provisions of GB/T 35782.
4.4.8 The central axle trailer shall be equipped with gas and electricity connection devices complying with the requirements of GB/T 5053.1, GB/T 13881 and GB/T 20716.1.
4.4.9 The installation and paste of the reflective logo of the center axle trailer body shall comply with the provisions of GB 23254 and GB 7258, and the tail sign board of the vehicle.
The installation shall comply with the provisions of GB 25990 and GB 7258.
4.4.10 The side and rear lower guards of the central axle trailer shall comply with the provisions of GB 11567.
The setting of board No. 4.4.11 (frame) shall comply with the provisions of GB 15741 and GB 7258.
4.4.12 The rear part of the center axle trailer should be installed with 1 to 2 rectangular signs with the word "long car". The length of the sign is
500mm ± 10mm, width is.200 10 0 mm, the background color is yellow, and the text color is red. The chromaticity and photometric properties of the sign should be...