FR2393961A1 - Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires - Google Patents

Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires

Info

Publication number
FR2393961A1
FR2393961A1 FR7717807A FR7717807A FR2393961A1 FR 2393961 A1 FR2393961 A1 FR 2393961A1 FR 7717807 A FR7717807 A FR 7717807A FR 7717807 A FR7717807 A FR 7717807A FR 2393961 A1 FR2393961 A1 FR 2393961A1
Authority
FR
France
Prior art keywords
initial position
hydraulic jack
low torque
restore
servo motor
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.)
Pending
Application number
FR7717807A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7717807A priority Critical patent/FR2393961A1/fr
Publication of FR2393961A1 publication Critical patent/FR2393961A1/fr
Pending 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/12—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Servomotors (AREA)

Abstract

L'invention a pour objet un dispositif d'asservissement constituant un ensemble facilement adaptable par fixation sur tout vérin hydraulique standard et qui permet d'obtenir à partir d'un mouvement à faible couple, la commande très précise du déplacement d'une grande force. Le principe du dispositif est de commander le mouvement par l'intermédiaire d'une valve hydraulique reliant la grande section, soit au circuit d'alimentation, soit à la hache et qui est associée à une vis réversible à bille entraînée en rotation par le vérin. La réalisation représentée comporte le vérin 1 dont la tige 6 est solidarisée par la pièce 7 à la tige 5 qui comprend l'écrou à bille 8. La vis réversible 9 et l'écrou 13 peuvent tourner dans le palier 10 sans se déplacer axialement Par la rotation du servomoteur 22, on visse le tiroir 12 et on ouvre les orifices de la valve 14. Par le déplacement de la tige 6 ainsi que des pièces 7, 5 et 8, on commande la rotation de la vis 9 et de l'écrou 13 pour annuler le déplacement du tiroir 12 et refermer les ouvertures de la valve qui reprend sa position d'équilibre. L'invention peut être utilisée dans tous les cas où est nécessaire le contrôle précis d'un mouvement d'un vérin hydraulique sans limitation de ses dimensions ou des performances exigées.
FR7717807A 1977-06-10 1977-06-10 Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires Pending FR2393961A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7717807A FR2393961A1 (fr) 1977-06-10 1977-06-10 Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7717807A FR2393961A1 (fr) 1977-06-10 1977-06-10 Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires

Publications (1)

Publication Number Publication Date
FR2393961A1 true FR2393961A1 (fr) 1979-01-05

Family

ID=9191933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717807A Pending FR2393961A1 (fr) 1977-06-10 1977-06-10 Dispositif hydromecanique d'asservissement pour les verins hydrauliques lineaires

Country Status (1)

Country Link
FR (1) FR2393961A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472465A1 (fr) * 1979-12-26 1981-07-03 Lbm Presses Perfectionnements apportes aux presses hydrauliques, et notamment a leurs systemes de commande de la vitesse d'approche
CN106678324A (zh) * 2016-12-08 2017-05-17 中船重工中南装备有限责任公司 输出扭矩的液压装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896456A (fr) * 1943-03-23 1945-02-22 Dispositifs Electr Et Mecaniqu Servo commande pour transmission irréversible
FR1023003A (fr) * 1949-08-06 1953-03-12 Starrfrasmaschinen A G Dispositif de commande hydraulique
US2871830A (en) * 1956-05-04 1959-02-03 Northrop Aircraft Inc Variable authority servo

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896456A (fr) * 1943-03-23 1945-02-22 Dispositifs Electr Et Mecaniqu Servo commande pour transmission irréversible
FR1023003A (fr) * 1949-08-06 1953-03-12 Starrfrasmaschinen A G Dispositif de commande hydraulique
US2871830A (en) * 1956-05-04 1959-02-03 Northrop Aircraft Inc Variable authority servo

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472465A1 (fr) * 1979-12-26 1981-07-03 Lbm Presses Perfectionnements apportes aux presses hydrauliques, et notamment a leurs systemes de commande de la vitesse d'approche
CN106678324A (zh) * 2016-12-08 2017-05-17 中船重工中南装备有限责任公司 输出扭矩的液压装置

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