DE2112571C3 - Hydraulische Steuervorrichtung für den Antrieb des Drehkranzes für den Planierschild eines Straßenhobels - Google Patents

Hydraulische Steuervorrichtung für den Antrieb des Drehkranzes für den Planierschild eines Straßenhobels

Info

Publication number
DE2112571C3
DE2112571C3 DE19712112571 DE2112571A DE2112571C3 DE 2112571 C3 DE2112571 C3 DE 2112571C3 DE 19712112571 DE19712112571 DE 19712112571 DE 2112571 A DE2112571 A DE 2112571A DE 2112571 C3 DE2112571 C3 DE 2112571C3
Authority
DE
Germany
Prior art keywords
valve
bore
piston
servomotors
hydraulic
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
DE19712112571
Other languages
German (de)
English (en)
Other versions
DE2112571B2 (de
DE2112571A1 (de
Inventor
Paul Edmund Moline Ill. Hanser (V.St.A.)
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.)
Deere and Co
Original Assignee
Deere and 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 Deere and Co filed Critical Deere and Co
Publication of DE2112571A1 publication Critical patent/DE2112571A1/de
Publication of DE2112571B2 publication Critical patent/DE2112571B2/de
Application granted granted Critical
Publication of DE2112571C3 publication Critical patent/DE2112571C3/de
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/764—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Motors (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19712112571 1970-03-18 1971-03-16 Hydraulische Steuervorrichtung für den Antrieb des Drehkranzes für den Planierschild eines Straßenhobels Expired DE2112571C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2072670A 1970-03-18 1970-03-18

Publications (3)

Publication Number Publication Date
DE2112571A1 DE2112571A1 (de) 1971-09-30
DE2112571B2 DE2112571B2 (de) 1979-12-20
DE2112571C3 true DE2112571C3 (de) 1980-08-28

Family

ID=21800211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712112571 Expired DE2112571C3 (de) 1970-03-18 1971-03-16 Hydraulische Steuervorrichtung für den Antrieb des Drehkranzes für den Planierschild eines Straßenhobels

Country Status (3)

Country Link
DE (1) DE2112571C3 (https=)
FR (1) FR2083372B1 (https=)
GB (1) GB1330566A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2167979C2 (ru) * 1999-02-19 2001-05-27 ОАО "Брянский Арсенал" Привод поворотного круга автогрейдера
CN114382937B (zh) * 2021-11-29 2024-05-28 武汉船用机械有限责任公司 电液球阀的液压控制装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB819864A (en) * 1955-06-08 1959-09-09 Taylor & Sons Manchester Ltd F Improvements in or relating to slewing motors for jibbed machines and the like
US3143814A (en) * 1962-02-23 1964-08-11 Deere & Co Scrapers

Also Published As

Publication number Publication date
FR2083372A1 (https=) 1971-12-17
FR2083372B1 (https=) 1974-10-11
GB1330566A (en) 1973-09-19
DE2112571B2 (de) 1979-12-20
DE2112571A1 (de) 1971-09-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee