Hydraulic excavator

The present invention provides a hydraulic excavator (1) provided with a dozer device (4) comprising an arm (28) having a rear end connected to a fulcrum portion provided on a lower frame (20) of a lower traveling body (3), a dozer blade (30) provided at an extreme end of the arm (28), and a dozer c...

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1. Verfasser:	OKUNISHI TAKAYUKI,NAKATA SHINYA,SHIMOKAKIUCHI HIROSHI,MORITA HIROSHI,SAKITANI SHINTARO,UMEZU YOSHIYASU
Format:	Patent
Sprache:	eng
Schlagworte:	DREDGING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING
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creator	OKUNISHI TAKAYUKI,NAKATA SHINYA,SHIMOKAKIUCHI HIROSHI,MORITA HIROSHI,SAKITANI SHINTARO,UMEZU YOSHIYASU
description	The present invention provides a hydraulic excavator (1) provided with a dozer device (4) comprising an arm (28) having a rear end connected to a fulcrum portion provided on a lower frame (20) of a lower traveling body (3), a dozer blade (30) provided at an extreme end of the arm (28), and a dozer cylinder (33) for swinging the arm (28) in vertical direction, characterized in that the dozer cylinder (33) and the arm (28) are arranged in a state of forming two sides of a triangle as viewed from the side, the arm swings vertically so that the dozer cylinder (33) does not interfere with a bottom of an upper rotating body (5) rotatably mounted on the lower traveling body (3), and an approach angle when the dozer blade (30) vertically moved by the arm (28) is placed in the highest position is set to 35 degrees or more, thereby capable of securing travelability equal to an excavator without a dozer device.
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subjects	DREDGING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING
title	Hydraulic excavator
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