JPS6060331U - Drive device in lifting equipment - Google Patents
Drive device in lifting equipmentInfo
- Publication number
- JPS6060331U JPS6060331U JP15402983U JP15402983U JPS6060331U JP S6060331 U JPS6060331 U JP S6060331U JP 15402983 U JP15402983 U JP 15402983U JP 15402983 U JP15402983 U JP 15402983U JP S6060331 U JPS6060331 U JP S6060331U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- check valve
- valve
- acting cylinder
- main flow
- 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
- Fluid-Pressure Circuits (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図は全体図、第２図は油圧回路図、第３図は従来例
である。
５は単動シリンダ、６は油圧ポンプ、７は主流路、８は
切換弁、９はチェック弁、１０は分岐流路、１１は制御
弁。FIG. 1 is an overall view, FIG. 2 is a hydraulic circuit diagram, and FIG. 3 is a conventional example. 5 is a single acting cylinder, 6 is a hydraulic pump, 7 is a main flow path, 8 is a switching valve, 9 is a check valve, 10 is a branch flow path, and 11 is a control valve.
Claims (1)
において、前記単動シリンダと油圧ポンプとを主流路に
′て連構し、前記主流路上には油圧ポンプ側より単動シ
リンダの伸縮を制御する切換弁及び油圧シリンダ側にの
み流通させうるチェック弁の順序で設け、前記主流路の
内単動シリンダとチェック弁との間に分岐流路を設け、
前記分岐流路をチェック弁まで延長させるとともに制御
弁を介装し、前記制御弁を、切換弁が単動シリンダ縮小
方向に切換えられた際にチェック弁を開放制御する方向
に切換えるべく切換弁に関連させてなる昇降装置におけ
る駆動装置。In a lifting device that raises a loading platform or the like by the extension of a single-acting cylinder, the single-acting cylinder and a hydraulic pump are connected in a main flow path, and the expansion and contraction of the single-action cylinder is controlled from the hydraulic pump side in the main flow path. A switching valve and a check valve that can flow only to the hydraulic cylinder side are provided in this order, and a branch flow path is provided between the single-acting cylinder and the check valve in the main flow path,
The branch flow path is extended to a check valve, and a control valve is interposed therein, and the control valve is configured to be a switching valve so as to switch the check valve in a direction to open the check valve when the switching valve is switched to a single-acting cylinder reduction direction. A driving device in a related lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15402983U JPS6060331U (en) | 1983-10-03 | 1983-10-03 | Drive device in lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15402983U JPS6060331U (en) | 1983-10-03 | 1983-10-03 | Drive device in lifting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6060331U true JPS6060331U (en) | 1985-04-26 |
Family
ID=30340603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15402983U Pending JPS6060331U (en) | 1983-10-03 | 1983-10-03 | Drive device in lifting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6060331U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326378A (en) * | 1976-08-25 | 1978-03-11 | Naokazu Ishii | Noodle making machine |
-
1983
- 1983-10-03 JP JP15402983U patent/JPS6060331U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326378A (en) * | 1976-08-25 | 1978-03-11 | Naokazu Ishii | Noodle making machine |
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