JPH03103351U

JPH03103351U -

Info

Publication number: JPH03103351U
Application number: JP1097190U
Authority: JP
Priority date: 1990-02-05
Filing date: 1990-02-05
Publication date: 1991-10-28

Description

[Brief explanation of drawings]

第１図はこの考案にかかる配管構造をそなえた
ブームの一部切欠き側面図、第２図は第１図のＡ
部詳細図、第３図は第１図のＢ部詳細図、第４図
は第１図のＣより見た図、第５図はブツシユ部材
を示す斜視図、第６図は油圧シヨベルの斜視図、
第７図はアーム先端部にスイングバケツトを取付
けた状態を示す斜視図である。３……作業機、４，１３……ブーム、１０……
配管群、１４……背面板、２２，２３……配管、
２４，２８，３０，３１……穴部、２５，２５′
……クランプ金具、２６，２６′……クランプボ
ルト、２７，２９……ゴムブツシユ（制振部材）
、３２……充填部材。 Figure 1 is a partially cutaway side view of a boom equipped with the piping structure according to this invention, and Figure 2 is A of Figure 1.
Figure 3 is a detailed view of part B in Figure 1, Figure 4 is a view seen from C in Figure 1, Figure 5 is a perspective view of the bushing member, Figure 6 is a perspective view of the hydraulic excavator. figure,
FIG. 7 is a perspective view showing a swing bucket belt attached to the tip of the arm. 3... Work equipment, 4, 13... Boom, 10...
Piping group, 14... Rear plate, 22, 23... Piping,
24, 28, 30, 31...hole, 25, 25'
...Clamp fitting, 26, 26'...Clamp bolt, 27, 29...Rubber button (vibration damping member)
, 32...Filling member.

Claims

[Scope of Claim for Utility Model Registration] (1) In the piping structure of a work equipment installed on the front part of a hydraulic excavator, one end and the other end of the work equipment boom have an outer side and an inner side of the boom, respectively. A piping structure for a hydraulic excavator, characterized in that a communicating hole is drilled and piping is installed through the hole and the inside of the boom. (2) The piping structure of a hydraulic excavator according to claim 1 of the utility model registration claim is characterized in that a filling material such as resin is injected into the inside of the boom in order to fix the piping inside the boom. Hydraulic excavator piping structure. (3) In the piping structure of the hydraulic excavator described in claim 1 of the utility model registration claim, a damping member such as a rubber bushing is installed in the hole of the piping insertion port in order to avoid contact between the boom and the piping due to vibration. A piping structure for a hydraulic excavator characterized by the following configuration.