GB1090674A - Stabilizer for mobile cranes - Google Patents

Stabilizer for mobile cranes

Info

Publication number
GB1090674A
GB1090674A GB801665A GB801665A GB1090674A GB 1090674 A GB1090674 A GB 1090674A GB 801665 A GB801665 A GB 801665A GB 801665 A GB801665 A GB 801665A GB 1090674 A GB1090674 A GB 1090674A
Authority
GB
United Kingdom
Prior art keywords
valve
platform
cylinders
pressure
vehicle
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
Application number
GB801665A
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.)
Demag Zug GmbH
Original Assignee
Demag Zug 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 Demag Zug GmbH filed Critical Demag Zug GmbH
Publication of GB1090674A publication Critical patent/GB1090674A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/005—Suspension locking arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/06—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid
    • B60G21/073—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

1,090,674. Preventing lateral canting. DEMAG-ZUG G.m.b.H. Feb. 24, 1965 [Feb. 25, 1964], No. 8016/65. Heading B7D. A stabilizer for a mobile crane with a pair of hydraulic cylinders 4 between a platform 1 and an axle 2 comprises displaceable slide valves 17, 18 which are sensitive to tilting of the platform 1 to bring into operation a distributing slide valve 14 by which pressure medium is fed to the cylinders 4 to restore the platform, a second slide valve 15 operative to connect the valve 14 to the cylinders when the jib 23 of the crane is outside the space determined by the central planes of the wheels of the vehicle and a relief pressure device 28 which permits oil to be delivered to a pressure reservoir 30 or large amplitude cylinder vibrations during road travel. The valve 15 is operated to render the suspension springs inoperative by a cam 6 on the platform 1 through a follower 22 when the crane is being operated laterally of the vehicle and by a manual control 21a when the jib is longitudinally of the vehicle. On lateral tilting of the platform a pressure differential is produced between the chambers 4a, 4b and 4c, 4d of the cylinders 4 and is communicated to the valves 17 and 18 which move the valve 14 so as to connect the pressure output from a pump P to the requisite chambers 4a, 4c or 4b, 4d to level the platform. A manually operated valve 13 permits filling of the system with oil and a further manually operated valve 25 permits training of the system or connection of the cylinders 4 to the pressure reservoir 30 when the valve 15 is in its left-hand position interconnecting the lines 11 and 12. Pressure switches 33 and 34 are provided to actuate a warning lamp 35.
GB801665A 1964-02-25 1965-02-24 Stabilizer for mobile cranes Expired GB1090674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964D0043713 DE1253886B (en) 1964-02-25 1964-02-25 Stabilizing device for mobile cranes u. like

Publications (1)

Publication Number Publication Date
GB1090674A true GB1090674A (en) 1967-11-15

Family

ID=7047806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB801665A Expired GB1090674A (en) 1964-02-25 1965-02-24 Stabilizer for mobile cranes

Country Status (6)

Country Link
BE (1) BE670273A (en)
DE (1) DE1253886B (en)
FR (1) FR1425197A (en)
GB (1) GB1090674A (en)
NL (1) NL6502058A (en)
SE (1) SE309096B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264014A (en) * 1978-11-06 1981-04-28 Caterpillar Tractor Co. Lock out means for pivotal axle suspension cylinders
FR2543936A1 (en) * 1983-03-17 1984-10-12 Harnischfeger Corp DEVICE FOR REDUCING THE OSCILLATORY DEVIATION OF A VEHICLE SUCH AS A MOBILE CRANE FOR ACCIDENTAL GROUNDS
US4573592A (en) * 1983-03-17 1986-03-04 Harnischfeger Corporation Means to reduce oscillatory deflection of vehicle
US4674638A (en) * 1983-03-17 1987-06-23 Kobe Steel Ltd. Control for deflection reduction means
WO1993002880A1 (en) * 1991-08-07 1993-02-18 Microhydraulics, Inc. Active suspension system
US5188248A (en) * 1990-04-27 1993-02-23 Gehl Company Stabilizing cylinder for a rough terrain forklift
CN102502409A (en) * 2011-11-08 2012-06-20 中国矿业大学 Horizontal pinned hydraulic system of crawler crane counterweight
US9399382B2 (en) 2014-02-03 2016-07-26 Cnh Industrial America Llc Roll-over protection system
US11592072B2 (en) 2020-06-05 2023-02-28 The Boeing Company Dynamic load damping apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2717388C2 (en) * 1977-04-20 1986-09-18 Integral Hydraulik & Co, 4000 Düsseldorf Disengageable hydropneumatic suspension, especially for the rear axle of wheel loaders or the like with a lockable front axle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE408620A (en) * 1935-03-30
DE1838863U (en) * 1959-06-25 1961-10-05 Mengele & Soehne Masch Karl ARRANGEMENT OF AN OIL RESERVOIR WITH AN AIR PRESSURE COMPARTMENT ON A PIPE LEADING TO THE VALVE COMPARTMENT OF A SHUT-OFF VALVE.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264014A (en) * 1978-11-06 1981-04-28 Caterpillar Tractor Co. Lock out means for pivotal axle suspension cylinders
FR2543936A1 (en) * 1983-03-17 1984-10-12 Harnischfeger Corp DEVICE FOR REDUCING THE OSCILLATORY DEVIATION OF A VEHICLE SUCH AS A MOBILE CRANE FOR ACCIDENTAL GROUNDS
US4573592A (en) * 1983-03-17 1986-03-04 Harnischfeger Corporation Means to reduce oscillatory deflection of vehicle
US4674638A (en) * 1983-03-17 1987-06-23 Kobe Steel Ltd. Control for deflection reduction means
US5188248A (en) * 1990-04-27 1993-02-23 Gehl Company Stabilizing cylinder for a rough terrain forklift
WO1993002880A1 (en) * 1991-08-07 1993-02-18 Microhydraulics, Inc. Active suspension system
US5299488A (en) * 1991-08-07 1994-04-05 Microhydraulics Inc. Active suspension system
US5522221A (en) * 1991-08-07 1996-06-04 Microhydraulics Inc. Active suspension system
CN102502409A (en) * 2011-11-08 2012-06-20 中国矿业大学 Horizontal pinned hydraulic system of crawler crane counterweight
CN102502409B (en) * 2011-11-08 2014-05-14 中国矿业大学 Horizontal pinned hydraulic system of crawler crane counterweight
US9399382B2 (en) 2014-02-03 2016-07-26 Cnh Industrial America Llc Roll-over protection system
US11592072B2 (en) 2020-06-05 2023-02-28 The Boeing Company Dynamic load damping apparatus

Also Published As

Publication number Publication date
FR1425197A (en) 1966-01-14
SE309096B (en) 1969-03-10
DE1253886B (en) 1967-11-09
BE670273A (en) 1966-01-17
NL6502058A (en) 1965-08-26

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