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Construction mechanism

A technology for construction machinery and engines, applied in construction, mechanical equipment, motor vehicles, etc., can solve problems such as poor operability, and achieve the effect of inhibiting damage and improving operability

Active Publication Date: 2008-08-06
NIHON KENKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, since the dust filter is installed in a narrow space around the heat exchanger, there is a problem of poor operability when installing and removing the dust filter from the heat exchanger in the narrow space.

Method used

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Embodiment Construction

[0026] Below, refer to Figure 1- Figure 8 An embodiment in which the construction machine of the present invention is applied to a hydraulic excavator will be described in detail.

[0027] In the figure, 1 is a hydraulic excavator, and the hydraulic excavator 1 is roughly composed of a crawler-type lower running body 2 capable of self-propelling, an upper revolving body 3 revolvably loaded on the lower running body 2, and an upper revolving body 3 arranged on the upper revolving body. The operation device 4 that can carry out pitch motion on body 3 front portion side constitutes.

[0028] The upper revolving body 3 is roughly composed of a revolving frame 5 that is a supporting structure, a driver's seat 6 that places an operator on the revolving frame 5 , a canopy 7 that covers the driver's seat from above, and a The rear end portion is constituted by a counterweight 8 for balancing the weight of the operating device 4 , an engine 9 , a hydraulic pump 10 , a heat exchanger ...

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Abstract

The purpose of this invention is to heighten the workability in performing the work for inspecting contamination of a dustproof net and the work for cleaning the contaminated dustproof net. An upper dustproof net 22 is removably fitted to a recessed part 20B provided on the outside surface 20A of a right upper surface cover 20 using a bolt 25, and a lower dustproof net 26 is removably fitted to a recessed part 21B provided on the outside surface 21A of a right lower surface cover 21 using a bolt 29. Thus, the contamination degrees of the upper dustproof net 22 and the lower dustproof net 26 can be easily inspected from the outer surfaces of the right upper surface cover 20 and the right lower surface cover 21. Further, only the upper dustproof net can be removed from the right upper surface cover 20, and only the lower dustproof net 26 can be removed from the right lower surface cover 21, whereby in cleaning the contaminated upper dustproof net 22 and lower dustproof net 26, the work efficiency can be heightened.

Description

technical field [0001] The present invention relates to a hydraulic excavator, for example, and in particular to a construction machine with heat exchangers for radiators, oil coolers and the like. Background technique [0002] Generally, construction machines such as hydraulic excavators and hydraulic cranes are composed of a self-propelled lower traveling body, an upper revolving body rotatably arranged on the lower walking body, and an operating device capable of pitching motions arranged on the upper revolving body. constitute. [0003] In addition, the upper revolving body usually has a revolving frame as a supporting structure, a hydraulic machine including an engine installed on the frame and a hydraulic pump driven by the engine, cooling water for cooling the engine and / or heat exchange for working oil of the hydraulic machine It is an exterior cover that covers the engine, hydraulic press, and heat exchanger from the outside, and a dust filter that captures dust in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/00B60K11/08B60K11/04F01P11/10F01P11/12
CPCB60K11/04B60Y2200/412E02F9/0866F01P11/12F15B21/042
Inventor 入野照男石井元
Owner NIHON KENKI CO LTD
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