FR2412242A1 - Dispositif pour le basculement d'une charrue reversible - Google Patents

Dispositif pour le basculement d'une charrue reversible

Info

Publication number
FR2412242A1
FR2412242A1 FR7836405A FR7836405A FR2412242A1 FR 2412242 A1 FR2412242 A1 FR 2412242A1 FR 7836405 A FR7836405 A FR 7836405A FR 7836405 A FR7836405 A FR 7836405A FR 2412242 A1 FR2412242 A1 FR 2412242A1
Authority
FR
France
Prior art keywords
head
tilting
piston
hydraulic cylinder
reversible plow
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.)
Withdrawn
Application number
FR7836405A
Other languages
English (en)
Inventor
Gunther Obermeyer
Georg Strommer
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.)
WEBER OELHYDRAULIK
Original Assignee
WEBER OELHYDRAULIK
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 WEBER OELHYDRAULIK filed Critical WEBER OELHYDRAULIK
Publication of FR2412242A1 publication Critical patent/FR2412242A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B3/00—Ploughs with fixed plough-shares
    • A01B3/36—Ploughs mounted on tractors
    • A01B3/40—Alternating ploughs
    • A01B3/42—Turn-wrest ploughs
    • A01B3/421—Turn-wrest ploughs with a headstock frame made in one piece
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

LE DISPOSITIF EST DU TYPE CONSTITUE D'UN VERIN HYDRAULIQUE A DOUBLE EFFET, ET D'UN TIROIR DE COMMANDE OPERANT LE CHANGEMENT DE SENS DU MOUVEMENT DE LA BIELLE D'AU MOINS UNE TETE FERMANT LE VERIN HYDRAULIQUE A UNE EXTREMITE, LEDIT VERIN COMPORTANT SOUPAPE DE RETENUE ET CANALISATIONS. IL EST CARACTERISE EN CE QUE LE PISTON 2 COMMANDE LE TIROIR 10 ET LES SOUPAPES DE RETENUE 8, 9 PREVUES DANS LA TETE 6 DE TELLE MANIERE QUE LA CHAMBRE 7 QUI SUBSISTE ENTRE LE PISTON 2 ET LA TETE 6 SOIT MISE HORS PRESSION, PEU AVANT ET PEU APRES L'OPERATION DE COMMUTATION. APPLICATION AUX CHARRUES.
FR7836405A 1977-12-22 1978-12-20 Dispositif pour le basculement d'une charrue reversible Withdrawn FR2412242A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772757467 DE2757467A1 (de) 1977-12-22 1977-12-22 Vorrichtung zum verschwenken eines drehpfluges

Publications (1)

Publication Number Publication Date
FR2412242A1 true FR2412242A1 (fr) 1979-07-20

Family

ID=6026970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836405A Withdrawn FR2412242A1 (fr) 1977-12-22 1978-12-20 Dispositif pour le basculement d'une charrue reversible

Country Status (6)

Country Link
DE (1) DE2757467A1 (fr)
FR (1) FR2412242A1 (fr)
GB (1) GB2014022B (fr)
IT (1) IT1158174B (fr)
NL (1) NL7812497A (fr)
SE (1) SE7812430L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123727C2 (de) * 1981-06-15 1989-09-21 Emil Weber Fabrik für Ölhydraulik GmbH & Co, 7129 Güglingen Steuervorrichtung für das Verschwenken eines Drehpfluges
BR8406912A (pt) * 1983-05-21 1985-05-21 Massey Ferguson Services Nv Sistema de pressao de fluido e dispositivo de valvula
DE59002832D1 (de) * 1989-09-28 1993-10-28 Kugelfischer G Schaefer & Co Hydraulikaggregat.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2151777A1 (de) * 1971-10-18 1973-04-26 Reinhard Kucharzyk Endschalter fuer hydraulische, selbsttaetig umsteuernde wegeventile
DE2259867A1 (de) * 1972-12-07 1974-06-12 Krone Bernhard Gmbh Maschf Steuerung fuer eine schlepperhydraulische drehvorrichtung
FR2255003A1 (fr) * 1973-12-21 1975-07-18 Hengstler Hydraulik
FR2298262A2 (fr) * 1973-12-21 1976-08-20 Hengstler Hydraulik Dispositif hydraulique de rotation pour charrue reversible trainee par un tracteur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2151777A1 (de) * 1971-10-18 1973-04-26 Reinhard Kucharzyk Endschalter fuer hydraulische, selbsttaetig umsteuernde wegeventile
DE2259867A1 (de) * 1972-12-07 1974-06-12 Krone Bernhard Gmbh Maschf Steuerung fuer eine schlepperhydraulische drehvorrichtung
FR2255003A1 (fr) * 1973-12-21 1975-07-18 Hengstler Hydraulik
FR2298262A2 (fr) * 1973-12-21 1976-08-20 Hengstler Hydraulik Dispositif hydraulique de rotation pour charrue reversible trainee par un tracteur

Also Published As

Publication number Publication date
IT1158174B (it) 1987-02-18
IT7852377A0 (it) 1978-12-20
GB2014022A (en) 1979-08-22
SE7812430L (sv) 1979-06-23
NL7812497A (nl) 1979-06-26
GB2014022B (en) 1982-02-03
DE2757467A1 (de) 1979-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse