CA933842A - Variable speed hydraulic drive system - Google Patents

Variable speed hydraulic drive system

Info

Publication number
CA933842A
CA933842A CA130940A CA130940A CA933842A CA 933842 A CA933842 A CA 933842A CA 130940 A CA130940 A CA 130940A CA 130940 A CA130940 A CA 130940A CA 933842 A CA933842 A CA 933842A
Authority
CA
Canada
Prior art keywords
drive system
variable speed
hydraulic drive
speed hydraulic
variable
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
CA130940A
Other languages
English (en)
Inventor
R. Gill Thomas
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.)
GS Equipment Co
Original Assignee
GS Equipment Co
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 GS Equipment Co filed Critical GS Equipment Co
Application granted granted Critical
Publication of CA933842A publication Critical patent/CA933842A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/08—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using plugboards, cross-bar distributors, matrix switches, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control And Safety Of Cranes (AREA)
CA130940A 1971-01-04 1971-12-23 Variable speed hydraulic drive system Expired CA933842A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10365071A 1971-01-04 1971-01-04

Publications (1)

Publication Number Publication Date
CA933842A true CA933842A (en) 1973-09-18

Family

ID=22296297

Family Applications (1)

Application Number Title Priority Date Filing Date
CA130940A Expired CA933842A (en) 1971-01-04 1971-12-23 Variable speed hydraulic drive system

Country Status (3)

Country Link
US (1) US3738501A (pt)
BR (1) BR7200080D0 (pt)
CA (1) CA933842A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534476A (en) * 1983-07-05 1985-08-13 The United States Of America As Represented By The Secretary Of The Navy Bridge crane
BE903524A (nl) * 1985-10-28 1986-02-17 Verstraeten Achiel Inrichting voor het dragen van de grijper in de kast van speelautomaten.
JP3980123B2 (ja) * 1996-04-26 2007-09-26 マニタウォック クレイン カンパニーズ インコーポレイテッド ブームホイストシリンダクレーン
US6481202B1 (en) 1997-04-16 2002-11-19 Manitowoc Crane Companies, Inc. Hydraulic system for boom hoist cylinder crane
CN102381630B (zh) * 2011-10-11 2013-09-04 中联重科股份有限公司 起重机及其液压系统
CN103803419B (zh) * 2014-03-06 2016-01-27 上海振华重工电气有限公司 堆场起重机的安全系统及驱动方法
CN111547635A (zh) * 2020-05-11 2020-08-18 河南海泰重工有限公司 液压顶升舱盖吊

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316926A (en) * 1941-03-11 1943-04-20 Vickers Inc Power transmission
US2749674A (en) * 1954-11-08 1956-06-12 Norton Co Grinding machine-work loader
US3018902A (en) * 1955-12-06 1962-01-30 Manning Maxwell & Moore Inc Hydraulic crane
US2906413A (en) * 1955-12-06 1959-09-29 Manning Maxwell & Moore Inc Hydraulic crane
US2984985A (en) * 1959-02-16 1961-05-23 Macmillin Hydraulic Engineerin Hydraulic operating and control system
US3256830A (en) * 1964-03-16 1966-06-21 Budzich Tadeusz Pressure compensator unloading control
US3366016A (en) * 1966-04-12 1968-01-30 Anderson Mavor Ltd Hydraulic drive systems for mineral mining machines
US3463087A (en) * 1967-10-16 1969-08-26 Towmotor Corp Control response valve for hydrostatic transmission

Also Published As

Publication number Publication date
BR7200080D0 (pt) 1973-05-03
US3738501A (en) 1973-06-12

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