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catwalk for construction machinery

一种建筑机械、猫道的技术，应用在建筑、移土机/挖土机、踏板或梯子的布置等方向，能够解决难以固定支架刚度、支架易损坏和变形等问题

Active Publication Date: 2017-10-27
CATEPILLAR SARL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also because it is difficult to fix the rigidity of the bracket due to hollowing out, the bracket is easily damaged and deformed

Method used

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  • catwalk for construction machinery
  • catwalk for construction machinery
  • catwalk for construction machinery

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Experimental program
Comparison scheme
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Embodiment Construction

[0030] Hereinafter, a catwalk for a construction machine configured according to the present invention will be described in further detail with reference to the accompanying drawings showing a preferred embodiment of a hydraulic excavator as a representative construction machine having an upper revolving body.

[0031] refer to figure 1 to describe. A hydraulic excavator, wherein the whole is indicated by reference numeral 2, includes a lower traveling body 4 and an upper revolving body 6 which is rotatably assembled around an axis X as a center of gyration above the lower traveling body 4 Extend vertically. Upper rotary body 6 is included in the front (in figure 1 An operation room 8 at the right end in (a), an engine room 10 accommodating devices such as an engine at the rear of the operation room 8 , and a counterweight 12 at the rear end of the engine room 10 . Attached to the front side is an articulated working arm arrangement 14 with a bucket 14a.

[0032] The ope...

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PUM

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Abstract

A catwalk has outer and inner tilt up portions at most outer end from swing center. The outer tilt up portion is installed around first axis near the side, and has outer walkway above the axis and outer from the side, and is installed to rotate between horizontal and upper positions. The inner tilt up portion is installed around second axis above the first axis, and has inner walkway on the same plain with outer walkway, and is installed to rotate between horizontal and upper positions with the push up movement of the outer tilt up portion.

Description

technical field [0001] The present invention relates to a catwalk as a path for inspection work, which is provided in a construction machine having an upper revolving body. Background technique [0002] Construction machines with an upper revolving body, such as hydraulic excavators, for example, have a greater vehicle height in the case of large machine types. Since inspection work and the like of devices provided in the upper revolving body are difficult to perform from the ground, catwalks for inspecting working paths are provided on side surfaces of the upper revolving body (see Patent Document 1, for example). [0003] Since the catwalk is provided on the side surface of the upper revolving body, when the upper revolving body has turned, the operator can consciously avoid a collision with an obstacle higher than the catwalk at the side. However, the longitudinal end of the catwalk at the operator's back at the outermost side of the turn is occasionally damaged by abutt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/08B60R3/02
CPCB60R3/005B60R3/02E02F9/0833
Inventor 清水邦友赤羽根英司秋月智裕
Owner CATEPILLAR SARL