GB/T 31883-2015

Active

Road vehicles—Drawbar couplings, drawbar eyes ,fifth wheel kingpins ,hook couplings and toroidal eyes—Wear limits for in-use mechanical couplings

道路车辆牵引连接件、牵引杆孔、牵引座牵引销、连接钩及环形孔机械连接件使用磨损极限

Standard Type

GBT

ICS

43.080.10

CCS

T70

Status

Active

Issue Date

2015-09-11

Implementation

2015-12-01

Centralized Committee

工业和信息化部

Issuing Authority

工业和信息化部

Application Summary AI generated

This standard specifies the maximum allowable wear limits for mechanical coupling components used in road vehicles, including drawbar couplings, drawbar eyes, fifth wheel kingpins, hook couplings, and toroidal eyes. It is applied in the automotive industry for in-service inspection and maintenance of heavy trucks, trailers, and semi-trailers to ensure safe mechanical connections during towing operations. The standard provides criteria for determining when worn parts must be replaced to prevent coupling failure and accidents.

Related Standards

GB/T 5336-2005 Repair specification for large passenger vehicle body GB/Z 41599-2022 Total mass monitoring of vehicle GB/T 19238-2003 Liquefied petroleum gas dispenser for vehicle GB/T 19237-2003 Compressed natural gas dispenser for vehicle GB/T 19236-2003 Fueling nozzle for CNG dispenser GB/T 19235-2003 Fueling nozzle for LPG dispenser GB/T 13872-2002 Test-rules of products quality inspection for trailers GB/T 5910-1998 Passenger car--Mass distribution

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.