JPH0441548U - - Google Patents
Info
- Publication number
- JPH0441548U JPH0441548U JP8234390U JP8234390U JPH0441548U JP H0441548 U JPH0441548 U JP H0441548U JP 8234390 U JP8234390 U JP 8234390U JP 8234390 U JP8234390 U JP 8234390U JP H0441548 U JPH0441548 U JP H0441548U
- Authority
- JP
- Japan
- Prior art keywords
- race
- lower traveling
- upper rotating
- rotating body
- traveling body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Rolling Contact Bearings (AREA)
Description
第１図は従来の油圧シヨベルの一例を示す側面
図、第２図は旋回ベアリングの詳細を示す一部拡
大断面図、第３図はベアリング部の拡大断面図、
第４図は本考案によるロツク装置の一実施例を示
す平面図、第５図はロツク装置の拡大断面図であ
る。
２……下部走行体、３……上部旋回体、４……
旋回ベアリング、４ａ……インナレース、４ｂ…
…アウタレース、４ｃ……ベアリングボール、５
……作業機、１１……ロツク手段、１２……座板
、１３……油圧シリンダ手段、１３ｃ……ピスン
トロツド。
Fig. 1 is a side view showing an example of a conventional hydraulic excavator, Fig. 2 is a partially enlarged sectional view showing details of the swing bearing, Fig. 3 is an enlarged sectional view of the bearing part,
FIG. 4 is a plan view showing an embodiment of the lock device according to the present invention, and FIG. 5 is an enlarged sectional view of the lock device. 2... Lower traveling body, 3... Upper revolving body, 4...
Swivel bearing, 4a... Inner race, 4b...
...Outer race, 4c...Bearing ball, 5
... Working machine, 11... Locking means, 12... Seat plate, 13... Hydraulic cylinder means, 13c... Piston rod.
Claims (1)
ベアリングを介して旋回可能に支持された上部旋
回体と、前記上部旋回体に設けられたシヨベル作
業機とからなる油圧シヨベルにおいて、前記下部
走行体と前記上部旋回体の一方に設けられた前記
旋回ベアリングのレースと、前記下部走行体と前
記上部旋回体の他方との間に設けられて、前記旋
回ベアリングの前記レースを前記下部走行体と前
記上部旋回体の他方に対して固定するロツク手段
を設けたことを特徴とする油圧シヨベルにおける
旋回ベアリングのロツク装置。 (2) 請求項１に記載したロツク装置において、
前記ロツク手段は、前記レースに設けたテーパ座
手段と、前記テーパ座手段に対して出し入れ可能
なロツクピストンを備えた油圧シリンダ手段によ
り構成されるロツク装置。 (3) 請求項１または２に記載したロツク装置に
おいて、前記ロツク手段が前記レースの周方向に
間隔をもつた少なくとも３カ所に設けられたロツ
ク装置。[Claims for Utility Model Registration] (1) A lower traveling body, an upper rotating body rotatably supported on the lower traveling body via a swing bearing, and a shovel work machine provided on the upper rotating body. A hydraulic shovel comprising: a race of the swing bearing provided on one of the lower traveling body and the upper rotating body; and a race of the swing bearing provided between the other of the lower traveling body and the upper rotating body; A locking device for a swing bearing in a hydraulic excavator, characterized in that a locking means is provided for fixing the race of the bearing to the other of the lower traveling body and the upper rotating body. (2) In the lock device according to claim 1,
The lock means is a lock device constituted by a tapered seat means provided on the race and a hydraulic cylinder means provided with a lock piston that can be moved in and out of the tapered seat means. (3) The locking device according to claim 1 or 2, wherein the locking means is provided at at least three locations spaced apart in the circumferential direction of the race.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8234390U JPH0441548U (en) | 1990-08-02 | 1990-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8234390U JPH0441548U (en) | 1990-08-02 | 1990-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0441548U true JPH0441548U (en) | 1992-04-08 |
Family
ID=31629068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8234390U Pending JPH0441548U (en) | 1990-08-02 | 1990-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441548U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489933A (en) * | 1990-08-01 | 1992-03-24 | Shin Caterpillar Mitsubishi Ltd | Revolution locking device for hydraulic shovel and system using locking device |
-
1990
- 1990-08-02 JP JP8234390U patent/JPH0441548U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489933A (en) * | 1990-08-01 | 1992-03-24 | Shin Caterpillar Mitsubishi Ltd | Revolution locking device for hydraulic shovel and system using locking device |