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GB/T 36121-2018 English PDF (GBT36121-2018)

GB/T 36121-2018 English PDF (GBT36121-2018)

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GB/T 36121-2018: Technical requirements for caravans
GB/T 36121-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 03.220.20
R 12
Technical requirements for caravan
ISSUED ON. MAY 14, 2018
IMPLEMENTED ON. DECEMBER 1, 2018
Issued by. State Market Regulatory Administration of the People’s
Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 6
4 Classification ... 6
5 Finished vehicle requirements ... 6
6 Requirements for special equipment and facilities ... 8
7 Reliability requirements ... 13
8 Test method ... 13
9 Rules of inspection ... 14
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard is proposed by the Ministry of Industry and Informatization of the
People's Republic of China and the Ministry of Communications and Transportation of
the People's Republic of China.
This Standard shall be under the jurisdiction of the National Technical Committee for
Automobile Standardization (SAC/TC 114).
Drafting organizations of this Standard. Highway Science Institute of the Ministry of
Transportation, Qingdao Chuntian Vehicle Science and Technology Co., Ltd., Disheng
(Changzhou) Vehicle Science and Technology Co., Ltd., Hanyang Special Automobile
Research Institute, Zhongtian High-Tech Special Vehicle Co., Ltd. Beijing North
Accommodation Vehicle Co., Ltd.
The main drafters of this Standard. Zhang Hongwei, Zhang Xueli, Li Xichun, Lin Yusen,
Hu Gang, Cao Lijun, Li Xiaodi, Dong Jinsong, Zong Chengqiang, Zhang Hao, Ou
Chuanjin, Dong Jinhui, Li Leigang, Ji Haiyan, Huang Chaozhi, Ren Zekai.
Technical requirements for caravan
1 Scope
This Standard specifies the classification, the requirements of finished vehicles, the
requirements of special equipment and facilities, reliability requirements, test methods
and inspection rules for caravan.
This Standard is applicable to caravan towed by motor vehicles equipped with special
towing devices. The camp trailers that serve as permanent accommodation can refer
to this standard.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB 1589 Limits of dimensions, axle load and masses for motor vehicles, trailers and
combination vehicles
GB/T 2820.5 Reciprocating internal combustion engine driven alternating current
generating sets - Part 5. Generating sets
GB/T 3324 General technical requirements for wooden furniture
GB/T 3325 General technical requirements for metal furniture
GB/T 3730.1 Motor vehicles and trailers - Types - Terms and definitions
GB/T 4606 Road vehicles - 50 semi-trailer fifth wheel coupling pin - Basic and mounting
/interchangeability dimensions
GB 4785 Prescription for installation of the external lighting and light-signaling devices
for motor vehicles and their trailers
GB/T 5053.1-2006 Road vehicles - Connectors for the electrical connection of towing
and towed vehicles - 7-pole connector type 24 N (normal) for vehicles with 24V nominal
supply voltage
GB/T 5053.2-2006 Road vehicles - Connectors for the electrical connection of towing
and towed vehicles - 7-pole connector type 12 N (normal) for vehicles with 12V nominal
supply voltage
GB/T 5842 Liquefied petroleum gas cylinders
GB 7258 Technical specifications for safety of power-driven vehicles operating on
roads
GB 9685 National food safety standard -- Standard for uses of additives in food contact
materials and their products
GB/T 11918.2 Plug, socket-outlets and couplers for industrial purposes - Part 2.
Dimensional compatibility and interchangeability requirements for pin and contact-tube
GB 12676 Technical requirements and testing methods for commercial vehicle and
trailer braking systems
GB/T 13594 Antilock braking performance and test procedure for motor vehicles and
their trailers
GB/T 15088 Road vehicles - Fifth wheel kingpins - Strength test
GB/T 18883 Indoor air quality standard
GB 21670 Technical requirements and testing methods for passenger car braking
systems
GB/T 22550 Leisure accommodation vehicles - Vocabulary
GB/T 22551 Leisure accommodation vehicles - Caravans - Habitation requirements
GB/T 23336 General technical requirements for semitrailer
GB/T 25085 Road vehicles - 60V and 600V single-core cables
GB/T 25088 Road vehicles - Connectors for the electrical connection of towing and
towed vehicles - 7-pole connector type 24S (supplementary) for vehicles with 24V
GB/T 25979 Road vehicles - Heavy commercial vehicle combinations and articulated
buses - Lateral stability test methods
GB/T 25980 Road vehicles - Coupling balls for caravans and light trailers - Dimensions
GB/T 25988 Road vehicles - Towing vehicle coupling device to tow caravans or light
trailers - Mechanical strength test
QC/T 252 Special Purpose Vehicle type test procedures
QC/T 448-1999 Cook truck -- general technical requirements
5.2.4 When the trailers travel at the speed of 30km/h on flat and dry road, the maximum
deviation of trailers' rear axle track centerline relative to the trailers' front axle track
centerline shall not be greater than 110mm.
5.2.5 The trafficability of the caravan trailers shall meet the requirements of GB 1589.
5.3 Connection match requirements
5.3.1 The mechanical strength and dimensions of the towing connection device of the
caravan centre-axle trailer shall conform to the relevant requirements of GB/T 25980
and GB/T 25988. The caravan semi-trailer shall use No. 50 traction pin in accordance
with the specifications in GB/T 4606 and GB/T 15088.
5.3.2 The terrain clearance of the connection center point of the caravan centre-axle
trailers towed by the type M1, N1 tractor shall be 380mm ± 50mm. The terrain
clearance of the traction pin board of the caravan semi-trailers shall be 1080mm ~
1110mm.
5.3.3 The front and back rotation of the caravan trailers shall be in accordance with the
relevant standards.
5.3.4 The traction rod of the caravan semi-trailer shall be equipped with a safety chain,
the length of which shall be longer than the length of the control connection line and
the strength of which shall ensure the vehicle cannot break when lost control.
5.3.5 The external lighting and light signaling devices of the trailers shall comply with
the requirements of GB 4785.
5.3.6 The caravans shall use electric connectors that comply with GB/T 5053.2-2006.
Among those, line 2 shall be connected with the position lamp, clearance lamp and
licence lamp, line 6 shall be connected with the rear fog lamp and line 7 shall be
connected with the reversing lamp. Wiring of the rest shall conform to the requirements
of 5.4 in GB/T 5053.1-2006 or 5.4 in GB/T 5053.2-2006. The caravans shall be fitted
with electrical connectors in compliance with GB/T 25088 for connection of other
electrical equipment.
6 Requirements for special equipment and facilities
6.1 Carriages
6.1.1 The carriages shall have certain heat preservation capacity. When the difference
of external and internal temperatures (mean value) is 20°C ~ 25°C, the heat transfer
coefficient of the carriage shall not be greater than that of 1.4 W/ (m2•K).
6.1.2 The rainproof sealing of the caravans shall comply with th...
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