FR2473584A1 - Dispositif de securite pour pelleteuses hydrauliques utilisees en grues - Google Patents

Dispositif de securite pour pelleteuses hydrauliques utilisees en grues Download PDF

Info

Publication number
FR2473584A1
FR2473584A1 FR8000671A FR8000671A FR2473584A1 FR 2473584 A1 FR2473584 A1 FR 2473584A1 FR 8000671 A FR8000671 A FR 8000671A FR 8000671 A FR8000671 A FR 8000671A FR 2473584 A1 FR2473584 A1 FR 2473584A1
Authority
FR
France
Prior art keywords
valve
safety device
switch
operated
protected
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.)
Granted
Application number
FR8000671A
Other languages
English (en)
French (fr)
Other versions
FR2473584B1 (enExample
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 FR8000671A priority Critical patent/FR2473584A1/fr
Publication of FR2473584A1 publication Critical patent/FR2473584A1/fr
Application granted granted Critical
Publication of FR2473584B1 publication Critical patent/FR2473584B1/fr
Granted 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003—Systems with load-holding valves
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/41—Flow control characterised by the positions of the valve element
    • F15B2211/413—Flow control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—Accumulators
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
    • F15B2211/8636—Circuit failure, e.g. valve or hose failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
FR8000671A 1980-01-14 1980-01-14 Dispositif de securite pour pelleteuses hydrauliques utilisees en grues Granted FR2473584A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8000671A FR2473584A1 (fr) 1980-01-14 1980-01-14 Dispositif de securite pour pelleteuses hydrauliques utilisees en grues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000671A FR2473584A1 (fr) 1980-01-14 1980-01-14 Dispositif de securite pour pelleteuses hydrauliques utilisees en grues

Publications (2)

Publication Number Publication Date
FR2473584A1 true FR2473584A1 (fr) 1981-07-17
FR2473584B1 FR2473584B1 (enExample) 1983-04-22

Family

ID=9237489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000671A Granted FR2473584A1 (fr) 1980-01-14 1980-01-14 Dispositif de securite pour pelleteuses hydrauliques utilisees en grues

Country Status (1)

Country Link
FR (1) FR2473584A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518387A (zh) * 2018-03-27 2018-09-11 上海朗畏机电科技有限公司 一种液压互锁控制系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807175A (en) * 1970-11-23 1974-04-30 P Kubik Fluid system having positive vertical hold means
FR2231910A1 (en) * 1973-06-04 1974-12-27 Griffet Ets M Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807175A (en) * 1970-11-23 1974-04-30 P Kubik Fluid system having positive vertical hold means
FR2231910A1 (en) * 1973-06-04 1974-12-27 Griffet Ets M Control valve for hydraulic jack of crane jib - has piston operated by low pressure oil to control main oil flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518387A (zh) * 2018-03-27 2018-09-11 上海朗畏机电科技有限公司 一种液压互锁控制系统

Also Published As

Publication number Publication date
FR2473584B1 (enExample) 1983-04-22

Similar Documents

Publication Publication Date Title
BE1012586A3 (fr) Circuit de commande de flottement pour un verin.
EP0288537B1 (fr) Barriere anti intrusion modulaire
US2761569A (en) Remote control unit for a truckmounted crane
FR2636038A1 (fr) Installation pour travaux sous-marins
FR2694604A1 (fr) Structure de circuit hydraulique pour une rétropelle.
US2903145A (en) Valve control
CA2041158C (en) Tow hook activated brake release method and apparatus
FR2929627A1 (fr) Mecanisme escamotable hydraulique sans energie interne totalement insensible au gel et immergeable permettant l'interdiction d'acces aux vehicules.
US4398698A (en) Freefall winch system and method of operation
FR2487807A1 (fr) Procede et agencement hydromecanique permettant, notamment, le degagement d'un bras articule de transfert de produits fluides, en deconnexion d'urgence
FR2473584A1 (fr) Dispositif de securite pour pelleteuses hydrauliques utilisees en grues
FR2482936A1 (fr) Dispositif de commande d'embrayage et de freinage pour des treuils de grue a entrainement hydraulique
US4219121A (en) Safety system for use in association with material handling equipment
FR2836671A1 (fr) Architecture de systeme hydraulique de commande d'orientation
EP0179728B1 (fr) Procédé et dispositif antivol notamment pour automobile agissant en bloquant l'action du câble d'embrayage
FR2773142A1 (fr) Dispositif d'entrainement pour ascenseur hydraulique
US4660729A (en) Method and apparatus for preventing boom overload
CA2635121A1 (fr) Dispositif de purge et systeme hydraulique comportant un tel dispositif de purge
EP0287439A1 (fr) Dispositif de sécurité oléopneumatique de verrouillage pour la condamnation d'ouvertures de toutes sortes, notamment pour portes d'entrée,volets ou autres
US3464528A (en) Safety control system for a cable drum
CA2778965A1 (fr) Installation de production de courant electrique a partir du rayonnement solaire et procede de mise en securite d'un batiment equipe d'une telle installation
FR2476007A1 (fr) Dispositif de securite pour le cas de rupture, d'installations de freinage de remorque
US2429908A (en) Electric control means for selfacting buckets
EP0056778B1 (fr) Dispositif pour mettre en place un câble dans une tranchée pratiquée au fond de la mer
WO2013103456A1 (en) Powered operator access system

Legal Events

Date Code Title Description
ST Notification of lapse