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Slab for lid of cab of heavy truck

A technology for heavy-duty trucks and cabs, which is applied to vehicle components, superstructures, and sub-assemblies of superstructures.

Inactive Publication Date: 2005-11-09
CHINA NATIONAL HEAVY DUTY TRUCK GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a separate design and development of a production line that meets the size requirements of this rough material, not only the cycle is long, but also the price is expensive.

Method used

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  • Slab for lid of cab of heavy truck
  • Slab for lid of cab of heavy truck

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Experimental program
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Embodiment

[0011] figure 1 A schematic diagram of the structure of the present invention is given. The sheet is welded together by two pieces along the tailor welding line 2 by laser, and the fiber direction 1 of each piece is vertical, which is consistent with the direction required by drawing forming.

[0012] figure 2 A schematic diagram of the structure of the cab roof of the Halo heavy truck is given. The heavy-duty truck extended cab roof needs a steel plate with a size of 2700X2150X0.9, according to figure 1 As shown, use domestically produced plates to cut out two steel plates with a size of 1350X2150X0.9, and then weld the two plates together with laser tailoring. The top cover of heavy trucks is a drawing-formed part. This product has reinforcing ribs 3 and top window protrusions 4 in the direction of the blank size 2700. In the later stage of drawing forming, the reinforcing ribs 3 and top window protrusions 4 are due to the local thinning of the material. After forming, ...

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PUM

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Abstract

A plate material for the top cover of the driver cab of heavy-duty truck is prepared from at least two plates through laser welding, and features that the fibre direction of each plate is same as its calender direction.

Description

(1) Technical field: [0001] The invention relates to a board for heavy trucks. (two) background technology: [0002] At present, the widest thin material size for the production of automobile stamping parts produced by steel manufacturing plants is 1800mm, and the size of some heavy-duty trucks with extended cab roof blanks exceeds this size. If a separate design and development of a production line that meets the size requirements of this blank, not only the cycle is long, but also the price is expensive. (3) Contents of the invention: [0003] The invention aims at the deficiencies of the prior art, and provides a plate for the top cover of the heavy-duty truck cab which not only saves the cost but also meets the production and quality requirements. [0004] The present invention adopts following solutions: [0005] The plate consists of at least two pieces, each piece is welded together by laser, and the fiber direction of each piece is consistent with the direction r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/06
Inventor 李永俊王鹏刚高岩
Owner CHINA NATIONAL HEAVY DUTY TRUCK GROUP
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