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In the third quarter of this year, the Shandong Bureau of Quality and Technical Supervision sampled 10 batches of semi-trailer products produced by 10 companies in the province, with a pass rate of 80%.
The basis for this inspection is GB/T 23336-2009 "General Technical Conditions for Semitrailers", GB 7258-2004 "Regulations for the Safe Operation of Motor Vehicles", GB 11567.2-2002 "Lower Protection Devices for Automobiles and Trailers," and GB 11567.1-2002. Standard requirements for "Car and trailer side lower guards".
Carried out inspections on 30 key items of freight semi-trailer products, including external dimension limits (vehicle length, vehicle width, vehicle height), front position light, rear position light, rear turn signal light, side turn signal light, and turn signal flash frequency , brake lights, license plate lights, non-triangular rear retro-reflectors, triangular rear retro-reflectors, non-triangular back front reflectors, non-triangular side retro-reflectors, hazard warning signals, rear fog lights, side marker lights, car safety Protection device (side guard and rear lower guard), brake device and brake performance, braking performance (no-load), minimum turning diameter, distance from centerline of the traction pin centerline to the first axle left and right wheels of the semi-trailer, Distance difference between adjacent axles of semi-trailer, deviation of axle center line and frame centerline, allowable size of semi-trailer wheel spacing, allowable deviation of centerline distance from centerline of tractor pin to rear axle, centerline of tractor pin to the most compartment Front-end distance F allows for dimensional deviation, after the support device is stowed, the minimum height above the ground, the longitudinal straightness tolerance of the stringer web, and the diagonal deviation of the frame.
Spot check results showed that 2 batches of products did not meet the requirements of the relevant standards, the main problem is the side turn signal lamp installation position, front position lamp, rear position lamp, triangular retro-reflector, non-triangular return front reflector, non-triangular side retro-reflection There are loopholes in the vehicle, side marker lights, and car safety devices.