JPS6213999U - - Google Patents
Info
- Publication number
- JPS6213999U JPS6213999U JP10525685U JP10525685U JPS6213999U JP S6213999 U JPS6213999 U JP S6213999U JP 10525685 U JP10525685 U JP 10525685U JP 10525685 U JP10525685 U JP 10525685U JP S6213999 U JPS6213999 U JP S6213999U
- Authority
- JP
- Japan
- Prior art keywords
- pressure pipe
- lift cylinder
- valve
- low
- oil pump
- 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.)
- Granted
Links
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Forklifts And Lifting Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の実施例を示すリフトシリンダ
作動用の油圧回路図、第２図はダンパバルブを示
す縦断面図、第３図はダンパバルブを使用した場
合における作動油の流量特性を示すグラフ、第４
図は従来リフトシリンダ作動用の油圧回路図であ
る。
１……オイルポンプ、２……リフトシリンダ、
４……電磁式切替弁、８……電磁式逆止弁、１１
……流量調整弁、１２……電磁式逆止弁、１５…
…ダンパバルブ、１７……ダンパバルブ。
Fig. 1 is a hydraulic circuit diagram for operating a lift cylinder showing an embodiment of the present invention, Fig. 2 is a vertical sectional view showing a damper valve, and Fig. 3 is a graph showing the flow rate characteristics of hydraulic oil when using a damper valve. Fourth
The figure is a hydraulic circuit diagram for operating a conventional lift cylinder. 1...Oil pump, 2...Lift cylinder,
4...Solenoid switching valve, 8...Solenoid check valve, 11
...Flow rate adjustment valve, 12...Solenoid check valve, 15...
...Damper valve, 17...Damper valve.
Claims (1)
管路には、オイルポンプの作動油を手動用コント
ロールバルブに導入する位置とリフトシリンダに
導入する位置とに切替可能な電磁式切替弁を備え
、リフトシリンダとタンクとをつなぐ低圧管路に
は、下降用の電磁式逆止弁を備えたリフトシリン
ダ作動用の油圧回路において、前記高圧管路及び
低圧管路には、それぞれ作動油の流量を漸増する
パイロツト操作式のダンパバルブを設けたフオー
クリフトの昇降装置。 The high-pressure pipe connecting the oil pump and the lift cylinder is equipped with an electromagnetic switching valve that can be switched between a position where hydraulic oil from the oil pump is introduced into the manual control valve and a position where it is introduced into the lift cylinder. In the hydraulic circuit for operating the lift cylinder, the low-pressure pipe connecting the tank is equipped with a descending electromagnetic check valve, and the high-pressure pipe and low-pressure pipe are each equipped with a pilot that gradually increases the flow rate of hydraulic oil. A forklift lifting device equipped with an operable damper valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985105256U JPH0333759Y2 (en) | 1985-07-10 | 1985-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985105256U JPH0333759Y2 (en) | 1985-07-10 | 1985-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6213999U true JPS6213999U (en) | 1987-01-28 |
| JPH0333759Y2 JPH0333759Y2 (en) | 1991-07-17 |
Family
ID=30979512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985105256U Expired JPH0333759Y2 (en) | 1985-07-10 | 1985-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333759Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224711U (en) * | 1975-08-12 | 1977-02-21 | ||
| JPS59123703U (en) * | 1983-02-08 | 1984-08-20 | ティー・シー・エム株式会社 | Fluid pressure buffer valve for cargo handling vehicles |
-
1985
- 1985-07-10 JP JP1985105256U patent/JPH0333759Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224711U (en) * | 1975-08-12 | 1977-02-21 | ||
| JPS59123703U (en) * | 1983-02-08 | 1984-08-20 | ティー・シー・エム株式会社 | Fluid pressure buffer valve for cargo handling vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333759Y2 (en) | 1991-07-17 |