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Dump truck

A technology of dump trucks and vehicles, which is applied to the layout, transportation and packaging of vehicle parts, pedals or ladders, etc. It can solve the problems of the lower part of the ladder hitting the rocks on the roadside, damage, etc., to achieve work convenience and improve connectivity , the effect of increasing the approach angle

Active Publication Date: 2014-05-21
KOMATSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, although the steps are usually provided on the side of the vehicle body, if the steps are provided on the side, when the vehicle body shakes and sinks sideways, the lower part of the steps may hit the rocks on the roadside and be damaged. damage problem

Method used

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Examples

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Embodiment Construction

[0028] Hereinafter, an embodiment of the present invention will be described based on the drawings.

[0029] figure 1 It is a perspective view of the dump truck 1 of this embodiment seen from the front, figure 2 is the front view of dump truck 1, image 3 is a left side view of the front side part of the dump truck 1, Figure 4 It is a plan view of the front part of the dump truck 1 . Hereinafter, the advancing direction of the dump truck 1 is referred to as "front", the side opposite to the advancing direction is referred to as "rear", and "left" and "right" correspond to left and right when facing the advancing direction.

[0030] The dump truck 1 is a large rigid dump truck used for mining and the like. This dump truck 1 includes: a vehicle main body 4 having left and right front wheels 2 made of a single wheel and left and right rear wheels 3 made of double wheels, and a vehicle body 5 mounted on the vehicle main body 4 in a tiltable manner. A driver's cab 6 is provi...

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PUM

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Abstract

A step arrangement of a dump truck includes a third step that leads down in an up-and-down direction of a vehicle body while being gradually directed forward, and a second step that is provided to a lower end of the third step and leads down in the up-and-down direction while being gradually directed from an outer side toward an inner side of the vehicle body. The height of an outer lower portion of the second step is higher than the height of an inner lower portion thereof.

Description

technical field [0001] The invention relates to a dump truck, in particular to a large rigid dump truck used for mine development and the like. Background technique [0002] At present, such a large-scale rigid dump truck is known in which the left and right ends of the front bumper of the vehicle body are used as an auxiliary platform, and a stepped ladder for leading from the ground to the auxiliary platform is provided on one end of the bumper. , is also provided with a fixed ladder for leading from the auxiliary platform to the main platform in front of the cab (Patent Document 1). [0003] Patent Document 1: Specification of US Patent No. 5,064,023 [0004] The technical problem to be solved by the invention [0005] In recent years, the use of steps with steep slopes has been avoided due to strict regulations regarding the up and down performance of steps such as ladders. However, if the restriction on the gradient of the steps is removed, since the lower portion of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R3/00
CPCB60R3/00
Inventor 田中哲冈本光正及川丰
Owner KOMATSU LTD
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