JPS56108335A - Operating method and apparatus for outrigger in movable crane - Google Patents
Operating method and apparatus for outrigger in movable craneInfo
- Publication number
- JPS56108335A JPS56108335A JP805180A JP805180A JPS56108335A JP S56108335 A JPS56108335 A JP S56108335A JP 805180 A JP805180 A JP 805180A JP 805180 A JP805180 A JP 805180A JP S56108335 A JPS56108335 A JP S56108335A
- Authority
- JP
- Japan
- Prior art keywords
- outrigger
- oil
- head side
- rod side
- change
- 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
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Jib Cranes (AREA)
Abstract
PURPOSE: To make the road face reaction of an outrigger symmetric on both sides by mutually connecting outrigger oil cylinders respectively on the head side and the rod side during the setting operation of the outrigger and intercepting these connections after the operation is finished.
CONSTITUTION: Each oil cylinder 8W11 is connected to the discharge port of an oil pump 13 via each change-over valve 14W17 on the head side and the rod side, and constructed to be extended, contracted, or stopped by the operation of each change- over valve 14W17. Among these oil pressure circuits, left and right oil cylinders 10 and 11 on the rear side are connected with each other respectively on the head side and the rod side via conduct pipe lines 20 and 21, on which switching valves 22 and 23 are provided.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP805180A JPS56108335A (en) | 1980-01-25 | 1980-01-25 | Operating method and apparatus for outrigger in movable crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP805180A JPS56108335A (en) | 1980-01-25 | 1980-01-25 | Operating method and apparatus for outrigger in movable crane |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56108335A true JPS56108335A (en) | 1981-08-27 |
Family
ID=11682527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP805180A Pending JPS56108335A (en) | 1980-01-25 | 1980-01-25 | Operating method and apparatus for outrigger in movable crane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56108335A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003423A (en) * | 2010-12-17 | 2011-04-06 | 徐州重型机械有限公司 | Hydraulic bidirectional lock and crane with same |
EP3248930A1 (en) * | 2016-05-24 | 2017-11-29 | Ruthmann GmbH & Co. KG | Mobile work device |
CN108928749A (en) * | 2018-08-18 | 2018-12-04 | 芜湖筱笙机电科技有限公司 | Boom hoisting is used in a kind of laying of petroleum pipeline |
-
1980
- 1980-01-25 JP JP805180A patent/JPS56108335A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102003423A (en) * | 2010-12-17 | 2011-04-06 | 徐州重型机械有限公司 | Hydraulic bidirectional lock and crane with same |
EP3248930A1 (en) * | 2016-05-24 | 2017-11-29 | Ruthmann GmbH & Co. KG | Mobile work device |
CN108928749A (en) * | 2018-08-18 | 2018-12-04 | 芜湖筱笙机电科技有限公司 | Boom hoisting is used in a kind of laying of petroleum pipeline |
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