JPS60191584U - Power-tilt hydraulic circuit - Google Patents
Power-tilt hydraulic circuitInfo
- Publication number
- JPS60191584U JPS60191584U JP7947584U JP7947584U JPS60191584U JP S60191584 U JPS60191584 U JP S60191584U JP 7947584 U JP7947584 U JP 7947584U JP 7947584 U JP7947584 U JP 7947584U JP S60191584 U JPS60191584 U JP S60191584U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- communicates
- way solenoid
- tilt cylinder
- oil
- 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図は本考案の実施例を示す油圧回路図、第２図はそ
の三方向電磁弁の動作の態様を示す説明図、第３図はそ
の電気回路を示す回路図である。
図面中、１は油圧ポンプ、２は油、３はリザーブタンク
、４は第１の三方向電磁弁、５は第２の三方向電磁弁、
６はチルトシリンダ、６ａは基端部側、６ｂは先端部側
、１３はアップスイッチ、１４はダウンスイッチである
。FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram showing the mode of operation of the three-way solenoid valve, and FIG. 3 is a circuit diagram showing the electric circuit. In the drawing, 1 is a hydraulic pump, 2 is oil, 3 is a reserve tank, 4 is a first three-way solenoid valve, 5 is a second three-way solenoid valve,
6 is a tilt cylinder, 6a is a base end side, 6b is a front end side, 13 is an up switch, and 14 is a down switch.
Claims (1)
縮する圧油源となる油圧ポンプと、この油圧ポンプに連
通され、動作時にはチルトシリンダの基端部側と連通さ
れるとともに停止時にはチルトシリンダの先端部側と連
通されるよう油路を形成する第１の三方向電磁弁と、前
記リザーブタンクに連通され、停止時にはチルトシリン
ダの先端側部と連通されるとともに動作時にはチルトシ
リンダの基端部側と連通されるよう油路を形成する第２
の三方向電磁弁と、投入時に前記第１の三方向電磁弁及
び油圧ポンプを動作せしめるアップスイッチ、及び投入
時に前記第２の三方向電磁弁及び油圧ポンプを動作せし
めるダウンスイッチからなる電気回路とを有するパワー
チルト油圧回路。It communicates with a hydraulic pump that serves as a pressure oil source that pumps up and compresses oil from a reserve tank that stores oil, and communicates with the base end of the tilt cylinder during operation, and the tip of the tilt cylinder when stopped. a first three-way solenoid valve that forms an oil passage so as to be in communication with the reserve tank; and a first three-way solenoid valve that communicates with the reserve tank, communicates with the tip side of the tilt cylinder when stopped, and communicates with the proximal side of the tilt cylinder when in operation. A second oil passage forming an oil passage so as to communicate with the
an electric circuit consisting of a three-way solenoid valve, an up switch that operates the first three-way solenoid valve and the hydraulic pump when turned on, and a down switch that operates the second three-way solenoid valve and the hydraulic pump when turned on; Power tilt hydraulic circuit with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7947584U JPS60191584U (en) | 1984-05-31 | 1984-05-31 | Power-tilt hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7947584U JPS60191584U (en) | 1984-05-31 | 1984-05-31 | Power-tilt hydraulic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60191584U true JPS60191584U (en) | 1985-12-19 |
Family
ID=30624421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7947584U Pending JPS60191584U (en) | 1984-05-31 | 1984-05-31 | Power-tilt hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60191584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061313A1 (en) * | 2002-12-27 | 2004-07-22 | Hitachi Construction Machinery Co.,Ltd. | Hydraulic circuit of working truck |
| US7445240B2 (en) | 2002-12-27 | 2008-11-04 | Hitachi Construction Machinery Co., Ltd. | Drive device of hydraulic cylinder for working |
-
1984
- 1984-05-31 JP JP7947584U patent/JPS60191584U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061313A1 (en) * | 2002-12-27 | 2004-07-22 | Hitachi Construction Machinery Co.,Ltd. | Hydraulic circuit of working truck |
| US7197872B2 (en) | 2002-12-27 | 2007-04-03 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit in work vehicle |
| CN1311169C (en) * | 2002-12-27 | 2007-04-18 | 日立建机株式会社 | Hydraulic circuit of working trunk |
| US7445240B2 (en) | 2002-12-27 | 2008-11-04 | Hitachi Construction Machinery Co., Ltd. | Drive device of hydraulic cylinder for working |
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