JPS5961361U - Travel switching device for working machines - Google Patents
Travel switching device for working machinesInfo
- Publication number
- JPS5961361U JPS5961361U JP15448582U JP15448582U JPS5961361U JP S5961361 U JPS5961361 U JP S5961361U JP 15448582 U JP15448582 U JP 15448582U JP 15448582 U JP15448582 U JP 15448582U JP S5961361 U JPS5961361 U JP S5961361U
- Authority
- JP
- Japan
- Prior art keywords
- travel
- traveling
- switching valve
- oil passage
- travel switching
- 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)
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図は従来の油圧ショベルの走行回路を示す油圧回路
図、第２図は本考案の一実施例である油圧ショベルの走
行切換回路を示す油圧回路図、第３図は本考案における
走行切換バルブと操作杆の配置例を示す油圧ショベルの
側面図、第４図は操作杆の平面位置を示す油圧ショベル
の平面図、第５図は本考案の走行切換バルブと操作杆の
取付構造例を示す断面図である。
１・・・走行モータ、２・・・油圧シリンダ、３・・・
主ポンプ、４・・・コントロールバルブ、１１’・・・
センタージヨイント、２６・・・走行切換バルブ、３９
・・・操作杆。
住Ｌ
１′５
１０
Ｊ ４ノ
且Fig. 1 is a hydraulic circuit diagram showing a running circuit of a conventional hydraulic excavator, Fig. 2 is a hydraulic circuit diagram showing a running switching circuit of a hydraulic excavator which is an embodiment of the present invention, and Fig. 3 is a hydraulic circuit diagram showing a running switching circuit of a hydraulic excavator according to an embodiment of the present invention. FIG. 4 is a side view of a hydraulic excavator showing an example of the arrangement of the valve and operating rod; FIG. 4 is a plan view of the hydraulic excavator showing the planar position of the operating rod; FIG. FIG. 1... Travel motor, 2... Hydraulic cylinder, 3...
Main pump, 4...Control valve, 11'...
Center joint, 26... Travel switching valve, 39
...Operating lever. Living L 1'5 10 J 4-and
Claims (1)
置され、走行体に走行モータとアタッチメントを駆動す
る 。 アクチュエータカー置される作業機械の走行切換装置に
おいて、前記主ポンプの吐出側に設けられるコントロー
ルバルブとセンタージヨイントに設□ けられる油路と
を前記走行モータと前記アクチュエータとで兼用する構
成を有し、該兼用の油路に接続される走行体上の油路に
は前記走行モータと前記アクチュエータへの油路の切換
えを行う走行、 切換バルブを設け、旋回体上の運転室
の床部には゛ 前記走行切換バルブの操作部に当接させ
て押圧す−ることにより該走行切換バルブを切換える操
作杆を貫設したことを特徴とする作業機械の走行切換装
置。[Claims for Utility Model Registration] 1. A main pump for driving the traveling motor is installed on the revolving body, and drives the traveling motor and attachments on the traveling body. A travel switching device for a work machine installed in an actuator car has a configuration in which the travel motor and the actuator share a control valve provided on the discharge side of the main pump and an oil passage provided in a center joint. The oil passage on the traveling body connected to the dual-purpose oil passage is provided with a traveling/switching valve for switching the oil passage to the traveling motor and the actuator, and a switching valve is provided on the floor of the driver's cab on the rotating body. A travel switching device for a working machine, characterized in that an operating rod is provided through the travel switching valve for switching the travel switching valve by contacting and pressing the operating portion of the travel switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15448582U JPS5961361U (en) | 1982-10-14 | 1982-10-14 | Travel switching device for working machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15448582U JPS5961361U (en) | 1982-10-14 | 1982-10-14 | Travel switching device for working machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5961361U true JPS5961361U (en) | 1984-04-21 |
Family
ID=30341477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15448582U Pending JPS5961361U (en) | 1982-10-14 | 1982-10-14 | Travel switching device for working machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5961361U (en) |
-
1982
- 1982-10-14 JP JP15448582U patent/JPS5961361U/en active Pending
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