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Semi-trailer girder and semi-trailer

A semi-trailer and girder technology, applied to vehicle parts, substructure, transportation and packaging, etc., can solve problems such as easy breakage, and achieve the effect of life extension

Pending Publication Date: 2017-06-20
王文贵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a semi-trailer frame and a semi-trailer, so as to alleviate the problem in the prior art that the upper, rear and lower wing plates of a semi-trailer are easily broken at the joints with the suspension

Method used

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  • Semi-trailer girder and semi-trailer
  • Semi-trailer girder and semi-trailer
  • Semi-trailer girder and semi-trailer

Examples

Experimental program
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Effect test

Embodiment 1

[0047] see Figure 4 , Figure 5 and Figure 6 , the first embodiment provides a semi-trailer beam structure, including the rear lower wing 10 and the suspension 40;

[0048] Wherein, the rear lower wing 10 includes a lower wing flat plate portion 11 and two lower wing side plate portions 12, and the two lower wing side plate portions 12 are located on opposite sides of the lower wing flat plate portion 11. side, forming a structure with a U-shaped cross section;

[0049] The opening of the U-shaped rear lower wing 10 is set upwards or downwards, and the flat plate portion 11 of the lower wing is connected to the suspension member 40 .

[0050] Analyzing the structure of the above-mentioned semi-trailer frame, it can be seen that it is mainly composed of the rear lower wing plate 10 and the suspension part 40 . Wherein, the rear lower wing plate 10 also includes a lower wing plate portion 11 and two lower wing plate side plate portions 12, and the two lower wing plate side...

Embodiment 2

[0053] see Figure 7 , Figure 8 and Figure 9 , the present embodiment 2 provides a semi-trailer frame, which also adopts the above-mentioned technical structural relationship; for example: the present embodiment 2 provides a semi-trailer frame, including the rear lower wing plate 10 and the suspension part 40; wherein, the The rear lower wing plate 10 includes a lower wing plate portion 11 and two lower wing plate side plate portions 12, and the two lower wing plate side plate portions 12 are located on opposite sides of the lower wing plate plate portion 11, forming The cross section is a U-shaped structure; the opening of the U-shaped rear lower wing 10 is set upwards or downwards, and the flat plate portion 11 of the lower wing is connected to the suspension 40 .

[0054] The main structure of the semi-trailer frame provided in the second embodiment is the same as that of the semi-trailer frame in the first embodiment; however, the semi-trailer frame provided in the sec...

Embodiment 3

[0068] Correspondingly, the third embodiment provides a semi-trailer, which includes the semi-trailer girder involved in the second embodiment above (the specific structure of the semi-trailer girder will not be repeated one by one), and it also includes a tractor; The girder is connected to the tractor.

[0069] Apparently, the semi-trailer provided by the present invention has all the advantages of the semi-trailer frame in the second embodiment above, so no more details are given here. The rear lower wing plate 10 of the semi-trailer frame in the semi-trailer is not easy to break at the joint with the suspension member 40, and the service life has been prolonged (see also the above-mentioned embodiment two). Figure 10 ).

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Abstract

The invention relates to the technical field of a semi-trailer, and in particular relates to a semi-trailer girder and a semi-trailer. The semi-trailer girder comprises a lower rear wing board and a hanging piece; the lower rear wing board comprises a flat panel part of the lower rear wing board and two side panel parts of the lower rear wing board, the two side panel parts of the lower rear wing board are located on the two sides facing the flat panel part of the lower rear wing board, a structure whose cross section is a U shape is formed; the opening of the U-shaped lower rear wing board is arranged facing upwards or downwards, and the flat panel part of the lower rear wing board is connected with the hanging piece. The semi-trailer comprises the semi-trailer girder and a motor tractor, and the semi-trailer girder is connected with the motor tractor. The semi-trailer girder and the semi-trailer make the connection part of the lower rear wing board and the hanging piece to be not easy to break, so that life expectancy is extended.

Description

technical field [0001] The invention relates to the technical field of semi-trailers, in particular to a semi-trailer frame and a semi-trailer. Background technique [0002] With the continuous development of the transportation industry, compared with "single-body" cars, semi-trailers can improve the comprehensive benefits of road transportation; therefore, semi-trailers have become the preferred choice for coal, ore, buildings, fruits, vegetables and other bulk goods. main means of transport. [0003] The load-bearing capacity of a semi-trailer is an important performance, and the load-bearing capacity of a semi-trailer is mainly determined by the bearing strength of the beam of the semi-trailer. see figure 1 , figure 2 and image 3 , the main structure of the semi-trailer girder in the prior art includes two I-shaped steel structures composed of the upper flange D, the lower flange and the web E respectively distributed on the left and right sides; the I-shaped steel ...

Claims

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Application Information

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IPC IPC(8): B62D21/20
CPCB62D21/20
Inventor 王文贵
Owner 王文贵
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