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Dump truck

A technology for dump trucks and vehicles, which is applied to the arrangement, transportation and packaging of vehicle components, pedals or ladders, etc., which can solve problems such as damage, the lower part of the ladder hits the rocks on the roadside, and the increase of the turning radius, so as to achieve improvement Connectivity, work convenience, and the effect of increasing the approach angle

Active Publication Date: 2012-05-16
KOMATSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the restriction on the gradient of the steps is removed, since the lower portion of the steps protrudes a lot toward the front side of the vehicle body, there is a possibility that not only the approach angle of the vehicle body (the angle from the ground contact point of the front wheels to the lower portion of the front end of the vehicle body) will be reduced Small, and the problem of increasing the radius of rotation
[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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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. The dump truck 1 includes: a vehicle body 4 having left and right front wheels 2 composed of single wheels and left and right rear wheels 3 composed of double wheels; A driver's cab 6 is provided on the left side at a high place on the front side. It should be noted t...

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PUM

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Abstract

A step for a dump truck (1), comprising: a third step (20) tilted forward as the third step extends from above the vehicle body (4) downward; and a second step (19) provided to the lower end of the third step (20) and tilted inward from the outside of the vehicle body (4) as the second step (19) extends from above downward. The position in height of the lower part of the outer side of the second step (19) is set to be higher than the position in height of the lower part of the inner side of the second step (19).

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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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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