Hydraulic excavator

Abstract

A hydraulic excavator comprises a main valve that sits on an upper structure to the right of a work implement, and an attachment component that gathers a plurality of hydraulic hoses that are connected at a first end to the main valve and fixes them on the upper face of a boom.

1 . A hydraulic excavator comprising:
 a lower traveling unit capable of traveling by rotating crawler belts;   an upper structure rotatably disposed on the lower traveling unit;   a boom movably attached to the upper structure to be driven in an up and down direction around a rotary shaft by hydraulic pressure;   a work tool mounted to a distal end of the boom to perform various kinds of work;   a plurality of hydraulic cylinders provided along the boom to drive the boom and the work tool;   a main valve disposed to a side of the boom on the upper structure;   hydraulic hoses connected at a first end to the main valve and at a second end to the hydraulic cylinders to supply hydraulic fluid from the main valve to the hydraulic cylinders; and   an attachment component fixing a middle portion of the hydraulic hoses to an upper face of the boom, the attachment component having a connector that is fixed to a side face of the boom, and a fixing part that fixes the hydraulic hoses so that the hydraulic hoses are disposed on the upper face of the boom.   
     
     
         2 . The hydraulic excavator according to  claim 1 , wherein
 the hydraulic hoses are disposed along an outer frame portion of the upper structure in a state in which the boom has been raised as far as the boom will go.   
     
     
         3 . The hydraulic excavator according to  claim 2 , further comprising
 a bracket provided at a location opposite the attachment component and adjacent the main valve,   the hydraulic hoses being disposed linearly between the bracket and the attachment component.   
     
     
         4 . The hydraulic excavator according to  claim 1 , wherein
 the bracket has a seat part that is attached along a forward and backward direction of a body, and a guide part that is disposed at an angle to the seat part and guides the hydraulic hoses.   
     
     
         5 . (canceled) 
     
     
         6 . The hydraulic excavator according to  claim 2 , wherein
 the bracket has a seat part that is attached along a forward and backward direction of a body, and a guide part that is disposed at an angle to the seat part and guides the hydraulic hoses.   
     
     
         7 . The hydraulic excavator according to  claim 3 , wherein
 the bracket has a seat part that is attached along a forward and backward direction of a body, and a guide part that is disposed at an angle to the seat part and guides the hydraulic hoses.