Construction machinery

A technology of construction machinery and rotary body, which is applied in the direction of earth mover/shovel, superstructure sub-assembly, truck superstructure, etc. It can solve the problems such as not being easy, and achieve the effect of smooth opening and closing

Active Publication Date: 2015-04-01
NIHON KENKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accompanied by this, there is also a possibility that the boarding and disembarking of the driver's cab via the stepped portion, that is, the step, cannot be easily performed.

Method used

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  • Construction machinery
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Embodiment Construction

[0029] Hereinafter, embodiments of the construction machine of the present invention will be described based on the drawings.

[0030] figure 1 It is a side view showing a small excavator constituting one embodiment of the construction machine of the present invention, figure 2 yes means figure 1 A perspective view of a cab included in the shown mini excavator.

[0031] such as these figure 1 , figure 2 As shown, the construction machine of this embodiment is composed of a small excavator as one small construction machine. This small excavator includes: a running body 1 having a pair of left and right crawler belts 1a; a revolving body 2 arranged on the running body 1; The working device 3 includes: a boom 3a attached to the revolving body 2; a boom 3b attached to the tip of the boom 3a; and a bucket 3c attached to the tip of the boom 3b.

[0032] A cab 6 is arranged on the revolving body 2, and the cab 6 accommodates the driver's seat 4 and has a door 5 capable of ope...

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PUM

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Abstract

[Problem] To provide a construction machine with a step arranged in an operator's cab, which makes it possible to enlarge the shape or dimensions of the step without increasing a swing radius. [Solution] In a compact excavator provided with a step that facilitates ingress to and egress from the operator' s cab (6), the step is provided at a part thereof with an outwardly-extendingedgeportion (12a) thatextendsoutbeyond an opening plane (16) forming an ingress / egress opening (20), and a door (5) is provided at a part thereof with a convex part (5a) that covers the outwardly-extending edge portion (12a) of the step when the door (5) is in a closed position. A floor (11) of the operator's cab (6) includes a flat part (11a) arranged on a front side of a seat (4) and a stepped part (11b) arranged in conjunction with the flat part (11a) and on a side of the ingress / egress opening, a flange part (12) which lies in a same plane as the stepped part (11b) of the floor (11) is arranged in conjunction with the stepped part (11b) and in the operator's cab (6), the step includes the stepped part (11b) of the floor (11) and the flange part (12), and the flange part (12) is provided with the outwardly-extending edge portion (12a).

Description

technical field [0001] The present invention relates to a construction machine such as a small excavator having a cab having a door capable of opening and closing a landing. Background technique [0002] As such prior art, there is a hydraulic excavator disclosed in Patent Document 1. The hydraulic excavator has: a revolving body; a working device installed on the revolving body; a cab provided on the revolving body and having a door capable of opening and closing the landing; Steps to facilitate getting in and out of the cab. [0003] A driver's seat is arranged in the cab, and a floor panel is arranged below and in front of the driver's seat. The floor panel is composed of a flat portion arranged on the front side of the driver's seat, and a stepped portion connected to the flat portion and arranged on the landing side, and the stepped portion constitutes the aforementioned step. In a state where the door of the cab is closed, the stepped portion constituting the step i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02F9/16B60J5/00B60R3/00B62D25/20B62D25/22
CPCB62D33/0617E02F3/325B60R3/00E02F9/163
Inventor 木村庄吾田中友幸多边田浩石井元
Owner NIHON KENKI CO LTD
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