DE2346005A1 - Hydraulikzylinder, insbesondere fuer teleskopausleger bei kraenen - Google Patents

Hydraulikzylinder, insbesondere fuer teleskopausleger bei kraenen

Info

Publication number
DE2346005A1
DE2346005A1 DE19732346005 DE2346005A DE2346005A1 DE 2346005 A1 DE2346005 A1 DE 2346005A1 DE 19732346005 DE19732346005 DE 19732346005 DE 2346005 A DE2346005 A DE 2346005A DE 2346005 A1 DE2346005 A1 DE 2346005A1
Authority
DE
Germany
Prior art keywords
boom
valve
cylinder
cylinder rod
fluid
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.)
Ceased
Application number
DE19732346005
Other languages
German (de)
English (en)
Inventor
Roger L Johnston
Daniel C Wiencek
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.)
Harnischfeger Corp
Original Assignee
Harnischfeger Corp
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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of DE2346005A1 publication Critical patent/DE2346005A1/de
Ceased 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Servomotors (AREA)
DE19732346005 1972-09-18 1973-09-12 Hydraulikzylinder, insbesondere fuer teleskopausleger bei kraenen Ceased DE2346005A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28998772A 1972-09-18 1972-09-18

Publications (1)

Publication Number Publication Date
DE2346005A1 true DE2346005A1 (de) 1974-03-28

Family

ID=23114043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732346005 Ceased DE2346005A1 (de) 1972-09-18 1973-09-12 Hydraulikzylinder, insbesondere fuer teleskopausleger bei kraenen

Country Status (7)

Country Link
US (1) US3777629A (enExample)
JP (1) JPS5519878B2 (enExample)
BR (1) BR7307121D0 (enExample)
CA (1) CA978444A (enExample)
DE (1) DE2346005A1 (enExample)
FR (1) FR2200185B1 (enExample)
GB (1) GB1405385A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094230A (en) * 1974-10-03 1978-06-13 Walter Kidde & Company, Inc. Self-aligning and end fixity connector for connecting a hydraulic cylinder piston rod to its respective section in a multi-section telescopic boom assembly
US4098172A (en) * 1975-11-12 1978-07-04 Walter Kidde & Company, Inc. Hydraulic cylinder rod end fixity connector for telescopic crane booms
US4125974A (en) * 1977-07-08 1978-11-21 Harnischfeger Corporation Control system for telescopic boom
US4238911A (en) * 1978-09-29 1980-12-16 Frosch Robert A Telescoping columns
US4498370A (en) * 1982-02-22 1985-02-12 Vickers, Incorporated Power transmission
CH675762A5 (enExample) * 1988-10-03 1990-10-31 Peter Huerlimann
GB9326347D0 (en) * 1993-12-23 1994-02-23 Grove Europ Limited Improvements in and relating to telescopic booms
US5927520A (en) * 1995-10-06 1999-07-27 Kidde Industries, Inc. Electro-hydraulic operating system for extensible boom crane
DE19613700A1 (de) * 1996-03-29 1997-10-02 M E P Gmbh Ges Fuer Consulting Teleskopartig auseinanderfahrbarer Maschinenteil
US6128900A (en) * 1998-01-28 2000-10-10 Case Corporation Hydraulic fluid supply system
JP2001300883A (ja) * 2000-04-20 2001-10-30 Kawasaki Heavy Ind Ltd ロボット
ITMO20120312A1 (it) * 2012-12-20 2014-06-20 Cnh Italia Spa Braccio telescopico.
JP6223071B2 (ja) * 2013-08-30 2017-11-01 株式会社タダノ クレーン装置のブーム伸縮機構
CZ2016582A3 (cs) * 2016-09-20 2017-07-12 BORCAD Medical a.s. Zdravotnický prostředek s teleskopickým podpěrným sloupem
WO2018103859A1 (en) * 2016-12-09 2018-06-14 Fassi Gru S.P.A. Load crane main boom
IT201800004537A1 (it) * 2018-04-16 2019-10-16 Piattaforma aerea
CN115681233B (zh) * 2022-09-26 2024-09-17 中国船舶集团有限公司第七〇四研究所 一种实现科考吊机多油缸顺序伸缩的控制系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643515A (en) * 1950-10-17 1953-06-30 Chester A Harsch Electric control system for expansible motor operated boom
FR1090156A (fr) * 1952-10-03 1955-03-28 Bendix Aviat Corp Valve perfectionnée pour appareils servo-moteurs
US2984985A (en) * 1959-02-16 1961-05-23 Macmillin Hydraulic Engineerin Hydraulic operating and control system
US2976852A (en) * 1959-09-21 1961-03-28 Modernair Corp Valve-in-head pneumatic cylinder
US3359868A (en) * 1965-04-08 1967-12-26 Benton Harbor Engineering Work Hydraulic cylinder assembly
US3610433A (en) * 1970-05-07 1971-10-05 Baker Equipment Eng Co Hydraulically operable extendable boom
US3666125A (en) * 1970-09-10 1972-05-30 Warner Swasey Co Boom assembly

Also Published As

Publication number Publication date
BR7307121D0 (pt) 1974-07-11
CA978444A (en) 1975-11-25
FR2200185A1 (enExample) 1974-04-19
FR2200185B1 (enExample) 1976-11-19
GB1405385A (en) 1975-09-10
JPS4970360A (enExample) 1974-07-08
US3777629A (en) 1973-12-11
JPS5519878B2 (enExample) 1980-05-29

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection