JPH02101842U

JPH02101842U -

Info

Publication number: JPH02101842U
Application number: JP829389U
Authority: JP
Priority date: 1989-01-30
Filing date: 1989-01-30
Publication date: 1990-08-14

Description

[Brief explanation of drawings]

第１図は本考案によるの伸縮アーム用油圧ホー
ス接続装置の一実施例を示す縦断面図、第２図は
その要部拡大断面図、第３図は該実施例の中継金
具と板材開口部に対する装着構造を示す平面図、
第４図は従来のクラムシエル作業機の一例を示す
側面図、第５図はその伸縮アームの構造を示す縦
断面図、第６図はその部分横断面図である。 Fig. 1 is a longitudinal sectional view showing an embodiment of the hydraulic hose connection device for a telescoping arm according to the present invention, Fig. 2 is an enlarged sectional view of its main parts, and Fig. 3 shows the relay fitting and plate opening of the embodiment. A plan view showing the mounting structure for the
FIG. 4 is a side view showing an example of a conventional clamshell working machine, FIG. 5 is a longitudinal cross-sectional view showing the structure of its telescopic arm, and FIG. 6 is a partial cross-sectional view thereof.

Claims

[Claims for Utility Model Registration] 1. A construction machine in which a working tool is attached to the tip of an inner arm of a box-type telescoping arm, and a hydraulic pipe for supplying hydraulic oil to the actuator of the working tool is housed in the inner arm, A hydraulic hose is used as the hydraulic piping, an opening for attaching a relay fitting is provided in a plate provided at the tip of the inner arm, an opening through which a hand can be inserted is provided in the plate or the side surface of the inner arm, and an opening is provided on the upper surface of the plate. A part of the opening is closed and a stopper through which the hydraulic hose can be inserted is fixed, a hydraulic hose passed through the inner arm is connected to the upper end of the relay fitting having a flange in the middle, and the lower end of the relay fitting is fixed. , connect a hydraulic hose connected to the actuator, fit the flange of the relay fitting into the opening for installing the relay fitting, and connect the flange between the stopper and a holding plate fixed to the plate material by a fixture. A hydraulic hose connection device for a telescoping arm, characterized in that the relay fitting is fixed to the plate material by being held between the two. 2. The hydraulic hose connection device for a telescoping arm according to claim 1, wherein the opening for attaching the relay fitting and the flange of the relay fitting are formed in a shape such that they cannot rotate relative to each other.