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A test semi-trailer

A technology for semi-trailer and test, applied in the field of vehicles, can solve the problems of poor test safety, long test period, semi-trailer rollover, etc., to save space, improve test safety, and prevent rollover.

Active Publication Date: 2022-02-01
一汽解放青岛汽车有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different positions of the center of mass of different types of semi-trailers, it is necessary to replace different types of semi-trailers when carrying out the operational stability test of semi-trailer tractors. The test cost is high, the semi-trailer is prone to rollover, the test safety is poor, and the test cycle is long.

Method used

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  • A test semi-trailer
  • A test semi-trailer
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Embodiment Construction

[0044] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describin...

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Abstract

The invention relates to the field of vehicles and discloses a test semi-trailer. The test semi-trailer includes a test load tooling and an auxiliary supporting wheel device, the test load tooling includes a base, a bracket, a mounting frame, a counterweight box and a supporting column, and the auxiliary supporting wheel device includes a hanging longitudinal beam, a first truss, a second truss, A first support wheel and a second support wheel. The test semi-trailer provided by the invention saves the occupied space, avoids the influence of the test results due to the simulated load shaking during the test process, reduces the time for the simulated load loading, improves the test efficiency, and has a large adjustment range of the center of mass position, which can satisfy most The operation stability test requirements of semi-trailer tractors can meet the test requirements of various center of mass positions without changing different types of semi-trailers, and can provide auxiliary support for the semi-trailer under extreme working conditions to prevent the wheels of the test semi-trailer from Tire blown due to excessive force.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a test semi-trailer. Background technique [0002] Semi-trailer tractors are commercial vehicles equipped with special devices for towing semi-trailers. The front of the vehicle with driving ability is a tractor, and the vehicle without traction driving ability behind is a trailer, and the trailer is towed by the tractor. There are two ways to connect the tractor and the trailer: the first connection is that half of the trailer is placed on the traction saddle at the rear of the tractor, and the tractor also bears part of the weight of the trailer, which is a semi-trailer; The method is that the front end of the trailer is connected to the rear end of the tractor. The tractor only provides the pulling force forward and does not bear the downward weight of the trailer. This is a full trailer. [0003] Semi-trailers include self-unloading semi-trailers, low-bed semi-trailers, barn-type se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D59/02B62D63/06B62D63/08B60G21/05
CPCB62D59/02B62D63/068B62D63/08B60G21/05B60G2300/042
Inventor 胡金蕊何涛张排排郑忠玉耿志广向建东翟德文
Owner 一汽解放青岛汽车有限公司
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