FR2242319A1 - Control system for a mobile crane - pneumatic compressor supplies independent reservoir feeding control circuits - Google Patents
Control system for a mobile crane - pneumatic compressor supplies independent reservoir feeding control circuitsInfo
- Publication number
- FR2242319A1 FR2242319A1 FR7331796A FR7331796A FR2242319A1 FR 2242319 A1 FR2242319 A1 FR 2242319A1 FR 7331796 A FR7331796 A FR 7331796A FR 7331796 A FR7331796 A FR 7331796A FR 2242319 A1 FR2242319 A1 FR 2242319A1
- Authority
- FR
- France
- Prior art keywords
- mobile crane
- control system
- annular grooves
- pneumatic compressor
- compressor supplies
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints Allowing Movement (AREA)
Abstract
Rotary distribution header for use on mobile lifting and slewing cranes is used with low pressure air to operate the control systems. The inner body (21), on the chassis, has in its wall a series of deep holes (1a to 6a). Horizontal holes communicate with annular grooves (1b to 18b) in either wall of the body depending on the circuit. An outer sleeve (20), fixed to the rotating member (D), fits over the inner body, with takeoff points (1 to 18) from the corresponding annular grooves (1b to 18b). Seals (23) fit between all grooves. An inner core (22) is used for extra circuits. Mounted on a thrust race (25), it has annular grooves (22a), seals (24) and takeoff points (22b).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7331796A FR2242319A1 (en) | 1973-08-29 | 1973-08-29 | Control system for a mobile crane - pneumatic compressor supplies independent reservoir feeding control circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7331796A FR2242319A1 (en) | 1973-08-29 | 1973-08-29 | Control system for a mobile crane - pneumatic compressor supplies independent reservoir feeding control circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2242319A1 true FR2242319A1 (en) | 1975-03-28 |
FR2242319B1 FR2242319B1 (en) | 1977-05-13 |
Family
ID=9124571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7331796A Granted FR2242319A1 (en) | 1973-08-29 | 1973-08-29 | Control system for a mobile crane - pneumatic compressor supplies independent reservoir feeding control circuits |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2242319A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2928126A1 (en) * | 1979-07-12 | 1981-01-29 | Krupp Gmbh | Mobile crane safety equipment - has selector valve to ensure hydraulic oil supply to steering system when parking brake is released |
EP0079812A2 (en) * | 1981-11-13 | 1983-05-25 | Paul Legueu | Automotive vehicle with mixed use for trailing and lifting |
-
1973
- 1973-08-29 FR FR7331796A patent/FR2242319A1/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2928126A1 (en) * | 1979-07-12 | 1981-01-29 | Krupp Gmbh | Mobile crane safety equipment - has selector valve to ensure hydraulic oil supply to steering system when parking brake is released |
EP0079812A2 (en) * | 1981-11-13 | 1983-05-25 | Paul Legueu | Automotive vehicle with mixed use for trailing and lifting |
EP0079812A3 (en) * | 1981-11-13 | 1985-01-02 | Paul Legueu | Automotive vehicle with mixed use for trailing and lifting |
Also Published As
Publication number | Publication date |
---|---|
FR2242319B1 (en) | 1977-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |