JPS5998950U

JPS5998950U - swivel vehicle

Info

Publication number: JPS5998950U
Application number: JP19388182U
Authority: JP
Inventors: 中桐　史樹
Original assignee: 日立建機株式会社
Priority date: 1982-12-21
Filing date: 1982-12-21
Publication date: 1984-07-04

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図および第２図は従来技術を示すも−ので、第１図
は旋回式車両の一例としての油圧ショベルの外観図、第
２図は第１図の下部走行体と上部旋回体との連結部を示
す縦断面図、第３図および第。４図は本考案の第１の実施例を示すもやで、第３図は第
２図と同様の断面図、第４図はスピンドル、の平面図、
第５図および第６図はそれぞれ本考案の第２、第３の実
施例を示す要部断面図、第７図は本考案の第４の実施例
を示す第２図と同様の断面図である。１・・・下部走行体、ｌＡ、　　２Ａ・・・フレーム、
２・・・上部旋回体、１２・・・センタジヨイント、１
２Ａ・・・ボディ、１２Ｂ・・・スピンドル、２１．５
２・・・フランジ、２２，３２，４２．５３・・・嵌合
孔、３１゜４１・・・取付板。１３Ｂ毘（２８第６図　　　　　　− ／１’７　１．！Ａ１’７　− ℃ １？？１（ｊ９　　−　　第７図　　　　　　゛　　　。１３８　　　　　１３Ｂ1 and 2 show the prior art. FIG. 1 is an external view of a hydraulic excavator as an example of a revolving vehicle, and FIG. FIGS. 3 and 3 are vertical cross-sectional views showing the connecting portion. Figure 4 shows the first embodiment of the present invention, Figure 3 is a sectional view similar to Figure 2, Figure 4 is a plan view of the spindle,
5 and 6 are sectional views of main parts showing the second and third embodiments of the present invention, respectively, and FIG. 7 is a sectional view similar to FIG. 2 showing the fourth embodiment of the present invention. be. 1... lower running body, lA, 2A... frame,
2... Upper revolving body, 12... Center joint, 1
2A...Body, 12B...Spindle, 21.5
2...Flange, 22, 32, 42.53... Fitting hole, 31° 41... Mounting plate. 13B bi(28 Fig. 6 - /1'7 1.! A1'7 - ℃ 1??1 (j 9 - Fig. 7 ゛. 138 13B

Claims

[Scope of utility model registration request]

Consisting of an undercarriage, an upper revolving body rotatably installed on the undercarriage, and a body and a spindle provided between the undercarriage and the upper revolving body, one of the body and the spindle. and a center joint formed by rotatably connecting the body and the spindle; One of the body or the spindle is fixedly provided to the lower traveling body or the upper rotating body, and the other is inserted into a fitting hole provided in the frame of the upper rotating body or the lower traveling body so as to rotate relative to the frame. A swiveling vehicle that is characterized by an impossibly tight fit.