JPS59116460U - work equipment - Google Patents
work equipmentInfo
- Publication number
- JPS59116460U JPS59116460U JP819683U JP819683U JPS59116460U JP S59116460 U JPS59116460 U JP S59116460U JP 819683 U JP819683 U JP 819683U JP 819683 U JP819683 U JP 819683U JP S59116460 U JPS59116460 U JP S59116460U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- boom cylinder
- hydraulic motor
- lower traveling
- swing hydraulic
- 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
- Operation Control Of Excavators (AREA)
- Jib Cranes (AREA)
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
第１図ないし第３図は従来技術を示し、第１図および第
２図はそれぞれ異なる作業状態を示す作業機としての油
圧ショベルの外観図、第３図は油圧回路図、第４図は本
考案の一実施例を示す油圧回路図である。
１・・・・・・下部走行体、２・・・・・・上部旋回体
、３・・・・・・旋回装置、５・・・・・・ブーム、８
・・・・・・ブームシリンダ、１１・・・・・・旋回用
油圧モータ、１３．１６・・・・・・油圧ポンプ、２５
・・・・・・タンク、３１．３２・・・・・・方向切換
弁、３１Ａ、３２Ａ・・・・・・第１の切換部、３１Ｂ
。
３２Ｂ・・・・・・第２の切換部、３３．３５．３６゜
３６Ａ、３７，３７Ａ、３Ｂ、３９，４０，４１゜４３
、 ４４． ４５． ４６・・・・・・油路。Figures 1 to 3 show the prior art, Figures 1 and 2 are external views of a hydraulic excavator as a working machine showing different working conditions, Figure 3 is a hydraulic circuit diagram, and Figure 4 is the present invention. FIG. 2 is a hydraulic circuit diagram showing an embodiment of the invention. 1...Lower traveling body, 2...Upper rotating body, 3...Swivel device, 5...Boom, 8
...Boom cylinder, 11 ... Hydraulic motor for swing, 13.16 ... Hydraulic pump, 25
... Tank, 31.32 ... Directional switching valve, 31A, 32A ... First switching part, 31B
. 32B...Second switching section, 33.35.36°36A, 37,37A, 3B, 39,40,41°43
, 44. 45. 46...Oil road.
Claims (1)
可能に設置した上部旋回体と、該上部旋回体に垂直方向
に回動可能に支持されたブームとを有し、前記旋回装置
およびブームをそれぞれ駆動する旋回用油圧モータおよ
びブームシリンダを方向切換弁を介して油圧ポンプおよ
びタンクと接続してなる作業機において、前記ブームシ
リンダと旋回用油圧モータとを接続する油路を設け、該
油路の途中には前記ブームシリンダの縮小操作時に該ブ
ームシリンダからの排出油を前記旋回用油圧モータに供
給することを可能ならしめる方向切換弁を介装したこと
を特徴とする作業機。It has a lower traveling body, an upper rotating body installed on the lower traveling body so as to be rotatable by a rotating device, and a boom rotatably supported in a vertical direction on the upper rotating body, the rotating device and the boom. In a work machine in which a swing hydraulic motor and a boom cylinder, which respectively drive A working machine characterized in that a directional switching valve is installed in the middle of the road for making it possible to supply oil discharged from the boom cylinder to the swing hydraulic motor when the boom cylinder is retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP819683U JPS59116460U (en) | 1983-01-24 | 1983-01-24 | work equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP819683U JPS59116460U (en) | 1983-01-24 | 1983-01-24 | work equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59116460U true JPS59116460U (en) | 1984-08-06 |
Family
ID=30139686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP819683U Pending JPS59116460U (en) | 1983-01-24 | 1983-01-24 | work equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0237959U (en) * | 1988-08-31 | 1990-03-13 |
-
1983
- 1983-01-24 JP JP819683U patent/JPS59116460U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0237959U (en) * | 1988-08-31 | 1990-03-13 |
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