JPS5856760U - lift hydraulic system - Google Patents
lift hydraulic systemInfo
- Publication number
- JPS5856760U JPS5856760U JP15333381U JP15333381U JPS5856760U JP S5856760 U JPS5856760 U JP S5856760U JP 15333381 U JP15333381 U JP 15333381U JP 15333381 U JP15333381 U JP 15333381U JP S5856760 U JPS5856760 U JP S5856760U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- switching valve
- pipe
- hydraulic system
- lifter
- 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
- Types And Forms Of Lifts (AREA)
- 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
図は、本考案に係る昇降機の油圧装置の油圧口′路を示
した図である。
１・・・油圧ポンプ、２・・・油槽、７． ８−３ポ一
ト２位置切換弁、９，１０・・・逆止弁、１１．１２・
・・油圧シリンダ。The figure is a diagram showing a hydraulic port path of a hydraulic system for an elevator according to the present invention. 1... Hydraulic pump, 2... Oil tank, 7. 8-3-point 2-position switching valve, 9, 10...Check valve, 11.12.
...Hydraulic cylinder.
Claims (1)
複薮設け、前記油圧シリンダの油出入口側の管路に接続
されるポートを有して該油出入口側の管路を二つの管路
位置に切換える切換弁を前記複数の油圧シリンダ毎に設
け、一方、油圧ポンプの吐出口側配管を分枝して該分枝
したそれぞれの配管を前記複数の切換弁の一方の位置に
それぞれ接続すると共に該配管の分校点と前記切換弁の
前記ポートとの間に逆止弁をそれぞれ介在させ、前記切
換弁の他方の位置を作動油回収のために前記油圧ポンプ
の油槽に接続してなる昇降機の油圧装置。A lifter is provided with multiple hydraulic cylinders for raising and lowering the lifter, and has a port connected to a pipe on the oil inlet/outlet side of the hydraulic cylinder to switch the pipe on the oil inlet/outlet side to two pipe positions. A switching valve is provided for each of the plurality of hydraulic cylinders, and the piping on the discharge port side of the hydraulic pump is branched and each branched piping is connected to one position of the plurality of switching valves. A hydraulic system for an elevator, wherein a check valve is interposed between a branch point of the switching valve and the port of the switching valve, and the other position of the switching valve is connected to an oil tank of the hydraulic pump for recovering hydraulic oil. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15333381U JPS5856760U (en) | 1981-10-15 | 1981-10-15 | lift hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15333381U JPS5856760U (en) | 1981-10-15 | 1981-10-15 | lift hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5856760U true JPS5856760U (en) | 1983-04-18 |
Family
ID=29945952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15333381U Pending JPS5856760U (en) | 1981-10-15 | 1981-10-15 | lift hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5856760U (en) |
-
1981
- 1981-10-15 JP JP15333381U patent/JPS5856760U/en active Pending
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