JPS6184033U - - Google Patents
Info
- Publication number
- JPS6184033U JPS6184033U JP17049384U JP17049384U JPS6184033U JP S6184033 U JPS6184033 U JP S6184033U JP 17049384 U JP17049384 U JP 17049384U JP 17049384 U JP17049384 U JP 17049384U JP S6184033 U JPS6184033 U JP S6184033U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- oil
- tank
- seat
- hydraulic lifting
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Seats For Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Description
図面は、この考案の実施例を示し、第１図は要
部の一部断面した側面図、第２図は油圧回路図、
第３図Ａ及びＢは圧力調節弁の作用を示す断面図
、第４図は全体側面図である。
主な符号の説明、２……油圧ケース、３……油
圧ポンプ、４……作業機、５……油圧昇降シリン
ダー、６……タンク、７……油圧昇降バルブ、１
２，１３……シートシリンダー、１７……シート
、１８……油路、１９……タンクポート、２０…
…調節弁、２２……逃孔、２３……スプール。
The drawings show an embodiment of this invention, with Fig. 1 being a partially sectional side view of the main parts, Fig. 2 being a hydraulic circuit diagram,
3A and 3B are cross-sectional views showing the function of the pressure regulating valve, and FIG. 4 is an overall side view. Explanation of main symbols, 2...Hydraulic case, 3...Hydraulic pump, 4...Work equipment, 5...Hydraulic lifting cylinder, 6...Tank, 7...Hydraulic lifting valve, 1
2, 13... Seat cylinder, 17... Seat, 18... Oil path, 19... Tank port, 20...
...Control valve, 22...Escape hole, 23...Spool.
Claims (1)
ブを介して油圧シリンダーあるいは油圧タンクへ
分配する油圧昇降装置において、油圧昇降バルブ
のタンクポートに油路を介してシートの下部に設
けたシートシリンダーに連通するとともに、この
油路に油圧が所定圧以上になつたら油圧をタンク
へ逃がす調節弁を設けたことを特徴とする動力車
のシート支持装置。 In a hydraulic lifting device that distributes pressure oil discharged from a hydraulic pump to a hydraulic cylinder or hydraulic tank via a hydraulic lifting valve, the tank port of the hydraulic lifting valve is connected to the seat cylinder provided at the bottom of the seat via an oil path. A seat support device for a power vehicle, characterized in that the oil passage is provided with a control valve that releases the oil pressure to a tank when the oil pressure exceeds a predetermined pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17049384U JPS6184033U (en) | 1984-11-09 | 1984-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17049384U JPS6184033U (en) | 1984-11-09 | 1984-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184033U true JPS6184033U (en) | 1986-06-03 |
Family
ID=30728201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17049384U Pending JPS6184033U (en) | 1984-11-09 | 1984-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184033U (en) |
-
1984
- 1984-11-09 JP JP17049384U patent/JPS6184033U/ja active Pending