JPS59103901U - Hydraulic jack tuning circuit - Google Patents
Hydraulic jack tuning circuitInfo
- Publication number
- JPS59103901U JPS59103901U JP19721882U JP19721882U JPS59103901U JP S59103901 U JPS59103901 U JP S59103901U JP 19721882 U JP19721882 U JP 19721882U JP 19721882 U JP19721882 U JP 19721882U JP S59103901 U JPS59103901 U JP S59103901U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic cylinder
- hydraulic jack
- synchronizing
- chambers
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考訟に係る実施例の油圧回路図を、第２図は
油圧ジヤツキのストａ−りと作動時間との関係を示す。FIG. 1 is a hydraulic circuit diagram of an embodiment according to the present invention, and FIG. 2 is a diagram showing the relationship between hydraulic jack stall and operating time.
Claims (1)
の主油圧シリンダを連結一体とし７てなるピストン装置
に、単数のスプールとこれに当接する２個のバルブとか
らなるタイミングバルブヲ前記同調用油圧シリンダと同
数附設して、前記各２個のバルブのそれぞれが形成する
バルジの押上げ室と抑圧室とをそれぞれ油路をもって前
記当該同調用油圧シリンダに連結し残りの押圧室を前記
当該昇降用油圧ジヤツキに、また、押上げ室をタンクに
連通し、手動切換弁のポートの一方を前記タイミングバ
ルブのスチール両端に形成される油室に、他方を前記主
油圧シリンダに連絡し、さらに該主油圧シリンダに機械
式切換弁を附したことを特徴とする油圧ジヤツキの同調
回路。A piston device consisting of a single main hydraulic cylinder connected and integrated with the same number of synchronizing hydraulic cylinders as the lifting hydraulic jacks, and a timing valve consisting of a single spool and two valves in contact with the synchronizing hydraulic The same number of cylinders are provided, and the pushing up chambers and suppression chambers of the bulge formed by each of the two valves are connected to the synchronizing hydraulic cylinder through oil passages, and the remaining pressing chambers are used for the lifting and lowering. The hydraulic jack is connected to the hydraulic jack, the push-up chamber is connected to the tank, one of the ports of the manual switching valve is connected to the oil chamber formed at both steel ends of the timing valve, the other is connected to the main hydraulic cylinder, and the other is connected to the main hydraulic cylinder. A hydraulic jack tuning circuit characterized by a hydraulic cylinder equipped with a mechanical switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19721882U JPS59103901U (en) | 1982-12-28 | 1982-12-28 | Hydraulic jack tuning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19721882U JPS59103901U (en) | 1982-12-28 | 1982-12-28 | Hydraulic jack tuning circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59103901U true JPS59103901U (en) | 1984-07-12 |
| JPH041364Y2 JPH041364Y2 (en) | 1992-01-17 |
Family
ID=30422552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19721882U Granted JPS59103901U (en) | 1982-12-28 | 1982-12-28 | Hydraulic jack tuning circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59103901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6254302U (en) * | 1985-09-24 | 1987-04-04 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4122155Y1 (en) * | 1966-02-10 | 1966-11-02 |
-
1982
- 1982-12-28 JP JP19721882U patent/JPS59103901U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4122155Y1 (en) * | 1966-02-10 | 1966-11-02 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6254302U (en) * | 1985-09-24 | 1987-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041364Y2 (en) | 1992-01-17 |
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