ICS 43.080.10
CCS T 70
National Standard of the People’s Republic of China
GB/T 23336-2022
Replaces GB/T 23336-2009
General technical requirements for semi-trailer
English Translation)
Issue date: 2022-07-11 Implementation date: 2022-11-01
Issued by the State Administration for Market Regulation
the Standardization Administration of the People's Republic of China
Contents
Foreword i
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Technical requirements 2
5 Test methods 3
6 Inspection rules 3
7 Marking and storage 3
Annex A (Normative) Technical requirements for key parts of curtain side semi-trailer 4
Foreword
This standard is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 23336-2009 General technical requirements for semitrailer. In addition to changes in structure and editorial changes, the following technical deviations have been made with respect to GB/T 23336-2009:
a) The “Scope” is modified (see Clause 1 hereof; Clause 1 of Edition 2009);
b) The term and definition of brake release time is added (see 3.1);
c) The requirements for external dimension, axle load and mass limit of semi-trailer are added (see 4.1.2);
d) The requirements for semi-trailers engaged in road transportation are added (see 4.1.3);
e) The requirements for refrigerated van semi-trailer are added (see 4.1.4);
f) The requirements for semi-trailer equipped with hydraulic tail-plate are added (see 4.1.5);
g) The requirements for fixing point of semi-trailer are added (see 4.1.6);
h) The requirements for the height of bearing surface of container semi-trailer before loading are changed (see 4.1.8 hereof; 4.1.3 of Edition 2009);
i) The requirements for mechanical coupling interchangeability between semi-trailer and tractor are changed (see 4.1.9 hereof; 4.1.4 of Edition 2009);
j) The requirements for safe driving speed of semi-trailer are changed (see 4.1.10 hereof; 4.1.5 of Edition 2009);
k) The requirements for top cover of semi-trailer are changed (see 4.1.11 hereof; 4.1.6 of Edition 2009);
l) The requirements for main size parameter of semi-trailer are changed (see 4.1.12 hereof; 4.1.7 of Edition 2009);
m) The requirements for handle position of semi-trailer linkage support device are added (see 4.1.14);
n) The requirements for anti-rollover system, tire temperature monitoring device and other related intelligent monitoring and alarm devices should be installed are added (see 4.1.15);
o) The requirements for service braking distance and braking stability of semi-trailer formed into articulated combination vehicles are changed (see 4.1.16 hereof; 4.5.1 of Edition 2009);
p) The requirements for braking response time and marking of semi-trailer are added (see 4.1.18);
q) The requirements for brake actuation time of semi-trailer are deleted (see 4.5.3 of Edition 2009);
r) The requirements for parking brake performance of semi-trailer are changed (see 4.1.20 and 4.1.21 hereof; 4.5.5 of Edition 2009);
s) The requirements for braking force balance performance of semi-trailer are changed (see 4.1.22 hereof; 4.5.6 of Edition 2009);
t) The requirements for brake lag time and tests after the semi-trailer formed into combination vehicles are deleted (see 4.5.7 and 5.3.8 of Edition 2009);
u) The requirements for sealing performance of braking system are changed (see 4.1.23 hereof; 4.5.8 of Edition 2009);
v) The requirements for frame diagonal deviation are changed (see 4.2.4 hereof; 4.2.4 of Edition 2009);
w) The requirements for the main assembly of semi-trailer are changed (see 4.3 hereof; 4.3 and 4.4 of Edition 2009);
x) The requirements for electrical and gas connectors of semi-trailers are added (see 4.3.4 and 4.3.5);
y) The requirements for semi-trailer carriage with side curtain structure are added (see 4.3.6);
z) The requirements for carriage of van semi-trailers are added (see 4.3.7);
aa) The requirements for floor strength for forklift loading and unloading operations on semi-trailer floors are added (see 4.3.8);
bb) The requirements for no-load conditions for size measurement of semi-trailers are added (see 5.1.1);
cc) The test methods for brake response time of semi-trailers are added (see 5.2.3);
dd) The test methods for braking actuation time of semi-trailer are deleted (see 5.3.4 of Edition 2009);
ee) The test methods for brake release time of semi-trailer are changed (see 5.2.4 hereof; 5.3.5 of Edition 2009);
ff) The test methods for braking force balance performance of semi-trailer formed into combination vehicles are changed (see 5.2.6 hereof; 5.3.7 of Edition 2009);
gg) The test methods for reliability of semi-trailer are changed (see 5.4 hereof; 5.4 of Edition 2009);
hh) The inspection of production consistency are deleted (see Clause 6 of Edition 2009);
ii) Inspection rules are added (see Clause 6);
jj) Marking and storage are added (see Clause 7);
kk) The technical requirements for key parts of curtain side semi-trailer are added (see Annex A);
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee of Auto Standardization (SAC/TC 114).
The previous edition of this document is as follows:
— The first edition was issued in 2009 as GB/T 23336-2009;
— This is the first revised edition.
General technical requirements for semi-trailer
1 Scope
This document specifies the technical requirements, test methods, inspection rules, marking and storage of semi-trailer.
This document is applicable to semi-trailers running on the road and other semi-trailers may refer to this document.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute indispensable requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB 1589 Limits of dimensions, axle load and masses for motor vehicles, trailers and combination vehicles
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/T 4607 Road vehicles - 90 semi-trailer fifth wheel coupling pin - Basic and mounting/interchangeability dimensions
GB/T 5053.1-2006 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 24N (normal) for vehicles with 24 V nominal supply voltage
GB 7258-2017 Safety specifications for power-driven vehicles operating on roads
GB12676-2014 Technical requirements and testing methods for commercial vehicle and trailer braking systems
GB/T 13873 Road vehicles - Trailer test procedure
GB/T 13881 Road vehicles - Pneumatic braking connections between towing vehicles and trailers
GB/T 15088 Road vehicles - Fifth wheel kingpins - Strength test
GB/T 17350 Terms marks and designation for special purpose vehicles and special trailers
GB/T 18411 Power-driven vehicles manufacturers plate
GB/T 20070 Road vehicle - Mechanical coupling between tractors and semi-trailers - interchangeability
GB/T 20716.1 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1: Connectors for braking systems and running gears of vehicles with 24V nominal supply voltage
GB/T 20717 Road vehicles - Connectors for the electrical connection of towing and tow vehicles - 15-pole connector for vehicles with 24 V nominal supply voltage
GB/T 25088 Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 24S (supplementary) for vehicles with 24 V nominal supply voltage
GB/T 26777 Semitrailer landing gears
GB/T 31883 Road vehicles - Drawbar couplings, drawbar eyes, fifth wheel kingpins, hook couplings and toroidal eyes - Wear limits for in-use mechanical couplings
GB/T 32861 Road vehicles - Location of electrical and pneumatic connections between towing vehicles and trailers
GB/T 37706 Installation and operation technical requirements of tail lifts for vehicle
GB/T 39015.2 Road vehicles - Interchangeability of mechanical couplings between tractors and semi-trailers - Part 2: Low-coupling tractors and high-volume semi-trailers
GB/T 40475 Technical requirements for lectotype of refrigerated and insulated vehicles
JT/T 389 Specification for van trailers
JT/T 475 Trailer axle
JT/T 882-2014 Technical requirements of cargo loading-unloading and securement for swap trailer transport
JT/T 1178.2 Safety specification for commercial vehicle for cargos transportation - Part 2: Towing vehicle and trailer
QC/T 252 Special purpose vehicles - Engineering approval evaluation program
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 3730.1 and GB/T 17350 and the following apply.
3.1
brake release time
the longest time from the start of service brake valve until the pressure of each brake chamber drops to 0.035 MPa, when the initial air pressure of the trailer service brake chamber is 0.67 MPa
4 Technical requirements
4.1 Complete vehicle
4.1.1 Semi-trailer shall be manufactured according to the drawings and technical documents approved through the established procedures.
4.1.2 The limits of dimension, axle load and mass of semi-trailer shall meet the requirements of GB 1589.
4.1.3 Semi-trailer engaged in road transportation shall meet the requirements of JT/T 1178.2.
4.1.4 Refrigerated van semi-trailer shall meet the requirements of GB/T40475.
4.1.5 Semi-trailer equipped with hydraulic tail-plate shall meet the requirements of GB/T 37706.
4.1.6 Semi-trailer shall design the tethering points as required, and the number, installation position and strength of tethering points shall meet the requirements of JT/T 882-2014, Annex C.
4.1.7 Parts and assemblies with special functions in semi-trailer shall meet the requirements of corresponding national standards or professional standards.
4.1.8 The height of bearing surface of semi-trailer for container transportation shall meet the following requirements:
a) For containers with a height of 2 591 mm (8 ft 6 in), the height of no-load bearing surface shall not be greater than 1409 mm;
b) For containers with a height of 2 896 mm (9 ft 6 in), the height of no-load bearing surface shall not be greater than 1104 mm.
4.1.9 The mechanical coupling interchangeability between semi-trailer and tractor shall meet the requirements of GB/T 20070 or GB/T 39015.2.
4.1.10 When the combination vehicles of semi-trailer are full, the structure and configuration of the semi-trailer shall ensure that the vehicles meet the requirements of relevant standards and runs safely at the speed required by the product design.
4.1.11 When the semi-trailer equipped with top cover of cargo box, the top cover shall meet the requirements of use. In the process of use, the top cover of container shall be able to prevent the goods from falling and spilling.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking and storage
Annex A (Normative) Technical requirements for key parts of curtain side semi-trailer
