JPS59127993U

JPS59127993U - rotating joint

Info

Publication number: JPS59127993U
Application number: JP2150783U
Authority: JP
Inventors: 佐山　英明
Original assignee: 日立建機株式会社
Priority date: 1983-02-18
Filing date: 1983-02-18
Publication date: 1984-08-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は回転継手を装備したホイール式油圧ショベルの
側面図、第２図は従来の回転継手の縦断面図、第３図は
第２図における■−■線断面図である。第４図乃至第８
図は本考案に係る回転継手の一実施例を示し、第４図は
縦断面図、第５図は一部側面図、第６図は底面図、第７
図は第４図における■−■線断面図、第８図は第７図に
おける■−■線断面図である。１・・・上部走行体、３・・・下部走行体、５・・・エ
ンジン、涌圧源、電源、６・・・スピンドル、′１３・
・・導通口、１４・・・導通路、１５・・・導通溝、３
０・・・リード線（下部走行体側）、４４・・・リード
線（上部旋回体側）　、４６・・・ブラック、４７・・
・リング。第２図第３図FIG. 1 is a side view of a wheeled hydraulic excavator equipped with a rotary joint, FIG. 2 is a vertical cross-sectional view of a conventional rotary joint, and FIG. 3 is a cross-sectional view taken along the line ■--■ in FIG. Figures 4 to 8
The figures show one embodiment of the rotary joint according to the present invention, in which Fig. 4 is a longitudinal sectional view, Fig. 5 is a partial side view, Fig. 6 is a bottom view, and Fig. 7 is a longitudinal sectional view.
The figure is a cross-sectional view taken along the line ■--■ in FIG. 4, and FIG. 8 is a cross-sectional view taken along the line ■--■ in FIG. DESCRIPTION OF SYMBOLS 1... Upper running body, 3... Lower running body, 5... Engine, pressure source, power supply, 6... Spindle, '13.
... Conduction port, 14... Conduction path, 15... Conduction groove, 3
0... Lead wire (lower traveling body side), 44... Lead wire (upper rotating body side), 46... Black, 47...
·ring. Figure 2 Figure 3

Claims

[Scope of utility model registration request]

Install the spindle on the stationary side and the body on the rotating body side.
-, the body is rotatably fitted onto the spindle, and the body is provided with a plurality of fluid communication ports and a plurality of current-carrying parts shifted in the direction of the rotation axis of the body, In addition to providing a plurality of fluid conduction passages, a plurality of lead wires are wired to the spindle, and the plurality of conduction ports of the body and the plurality of conduction passages of the spindle are connected through annular conduction grooves. Along with communicating,
A one-way joint characterized in that a plurality of current-carrying parts of the body and a plurality of lead wires of a spindle are energized by a black and a ring.