DE29609698U1 - Hydraulic rapid shift for hydraulically operated telescopic crane booms - Google Patents

Hydraulic rapid shift for hydraulically operated telescopic crane booms

Info

Publication number
DE29609698U1
DE29609698U1 DE29609698U DE29609698U DE29609698U1 DE 29609698 U1 DE29609698 U1 DE 29609698U1 DE 29609698 U DE29609698 U DE 29609698U DE 29609698 U DE29609698 U DE 29609698U DE 29609698 U1 DE29609698 U1 DE 29609698U1
Authority
DE
Germany
Prior art keywords
hydraulically operated
telescopic crane
rapid shift
crane booms
operated telescopic
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.)
Expired - Lifetime
Application number
DE29609698U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OIL CONTROL GmbH
Original Assignee
OIL CONTROL GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OIL CONTROL GmbH filed Critical OIL CONTROL GmbH
Priority to DE29609698U priority Critical patent/DE29609698U1/en
Publication of DE29609698U1 publication Critical patent/DE29609698U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • 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
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
DE29609698U 1996-05-31 1996-05-31 Hydraulic rapid shift for hydraulically operated telescopic crane booms Expired - Lifetime DE29609698U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29609698U DE29609698U1 (en) 1996-05-31 1996-05-31 Hydraulic rapid shift for hydraulically operated telescopic crane booms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29609698U DE29609698U1 (en) 1996-05-31 1996-05-31 Hydraulic rapid shift for hydraulically operated telescopic crane booms

Publications (1)

Publication Number Publication Date
DE29609698U1 true DE29609698U1 (en) 1996-09-26

Family

ID=8024636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29609698U Expired - Lifetime DE29609698U1 (en) 1996-05-31 1996-05-31 Hydraulic rapid shift for hydraulically operated telescopic crane booms

Country Status (1)

Country Link
DE (1) DE29609698U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192213A (en) * 2011-05-21 2011-09-21 汉川机床集团有限公司 Internal recycle balance pressure oil cylinder
CN103644159A (en) * 2013-12-30 2014-03-19 徐州重型机械有限公司 Remote-control box control valve as well as rotary table hydraulic control system and crane
CN104879337A (en) * 2015-04-22 2015-09-02 北汽福田汽车股份有限公司 Oil cylinder switching valve and hydraulic system comprising same and engineering machinery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192213A (en) * 2011-05-21 2011-09-21 汉川机床集团有限公司 Internal recycle balance pressure oil cylinder
CN102192213B (en) * 2011-05-21 2014-04-16 汉川机床集团有限公司 Internal recycle balance pressure oil cylinder
CN103644159A (en) * 2013-12-30 2014-03-19 徐州重型机械有限公司 Remote-control box control valve as well as rotary table hydraulic control system and crane
CN104879337A (en) * 2015-04-22 2015-09-02 北汽福田汽车股份有限公司 Oil cylinder switching valve and hydraulic system comprising same and engineering machinery

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19961107

R150 Term of protection extended to 6 years

Effective date: 19990915

R151 Term of protection extended to 8 years

Effective date: 20021014

R158 Lapse of ip right after 8 years

Effective date: 20041201