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WO1990001606A1 - Actuateur pour grille d'entree - Google Patents

Actuateur pour grille d'entree Download PDF

Info

Publication number
WO1990001606A1
WO1990001606A1 PCT/AU1989/000324 AU8900324W WO9001606A1 WO 1990001606 A1 WO1990001606 A1 WO 1990001606A1 AU 8900324 W AU8900324 W AU 8900324W WO 9001606 A1 WO9001606 A1 WO 9001606A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating fluid
cylinder
actuator device
gate
barrier
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.)
Ceased
Application number
PCT/AU1989/000324
Other languages
English (en)
Inventor
Noel Carroll
Collin James Phelps
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
Publication of WO1990001606A1 publication Critical patent/WO1990001606A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators

Definitions

  • This invention relates to an actuator device for use in the control of gates or similar barriers .
  • An object of the present invention is to provide an improved actuator device which is relatively simple in construction and easy to install .
  • the many advantages of the actuator device of the present invention over prior art devices will become readily apparent to those persons skilled in the art from a reading o f the fol lowing description.
  • an actuator device which is suitable for the control and operation of a gate or barrier
  • the actuator device comprising an hydraulic ram assembly which includes a cylinder having a piston therein, the piston separating the cylinder into two chambers.
  • One part (i.e. either the piston or the cylinder) of the hydraulic ram assembly is operatively connected to the gate or barrier, and the other part is operatively connected to a fixture or like support such as a gate post.
  • the arrangement is such that relative movement between the piston and the cylinder causes movement of the gate or barrier between for example, open and closed positions.
  • the actuator device further includes means for
  • SUBSTITUTE SHEET delivering and discharging operating fluid to and from each container to cause the relative movement between the piston and cylinder, and thereby in turn move the gate or barrier.
  • the operating fluid may be any suitable hydraulic fluid, however, in a preferred embodiment of the invention the operating fluid used is water.
  • the actuator device may further include valve means operable so as to selectively control the delivery and discharge of operating fluid to and from the chambers within the cylinder.
  • valve means operable so as to selectively control the delivery and discharge of operating fluid to and from the chambers within the cylinder.
  • two valves are provided each valve controlling the delivery and discharge of the operating fluid to and from a respective one of the chambers within the cylinder.
  • Each valve is capable of adopting a first position in which the operating fluid under pressure can be delivered to its associated chamber, and a second position in which fluid can be discharged from the associated chamber.
  • the valves may be capable of adopting a third position in which fluid is prevented from discharge from the chamber. In this particular arrangement, an hydraulic lock is formed thereby inhibiting movement of the gate or barrier with the valve in this third position.
  • the two valves are preferably arranged such that when one adopts its first position, the other adopts its second position and vice versa.
  • a feed line is provided for delivering and discharging hydraulic operating fluid to each chamber.
  • the valves are disposed within the respective feed lines there being an input branch for delivering the operating fluid from a source or reservoir and a discharge branch for discharging the operating fluid to a drain for example.
  • valves are in the form of solenoid valves and control means is provided to cause selective operation of those valves.
  • the solenoid valves are adapted
  • the actuator may be controlled by a radio transmitter and receiver or similar switch means capable of operating for example a bi-stable relay which in turn operates the two solenoid valves.
  • a radio transmitter and receiver capable of operating for example a bi-stable relay which in turn operates the two solenoid valves.
  • a tuner may be provided to automatically shut down the circuit after a preselected period.
  • means is provided for collection of discharged operating fluid and means is provided for pressurizing the discharged operating fluid for use as delivery operating fluid.
  • a pump may be provided to effect such pressurizing.
  • storage means is provided for storage of pressurized delivery operating fluid and that means preferably has a volumetric capacity at least equal to that required for one, preferably two and more preferably three, openings or closings of the gate or barrier so as to enable an opening or closing notwithstanding failure of the pump or other means for pressurizing and/or to enable a low capacity pump to be used.
  • the pump may have a pumping capacity in litres pumped in one minute which may be half or less than the number of litres of operating fluid which is required to be delivered to the ram assembly to effect an opening or closing.
  • Figure 1 is a schematic plan view of an actuator device according to the present invention with a gate in a first position
  • Figure 2 is a similar view to that of figure 1 with the gate in a second position;
  • Figure 3 is a schematic view of a self-contained source of pressurized hydraulic fluid.
  • the actuator device generally indicated at 1 is operatively connected to a gate 20 which is swingable on gate post 21.
  • the actuator device comprises an hydraulic double acting hydraulic ram 3 comprising a piston 4 and cylinder 5 the piston separating the cylinder into two chambers 13 and 14.
  • One end of the cylinder 5 is connected to the gate post and the piston rod is connected to the gate.
  • a delivery discharge line 12 enables hydraulic fluid to be delivered and discharged to the respective chambers.
  • UBSTITUTE SHEET An input line 11 having an inlet 21 feeds hydraulic fluid from a pressurized source via solenoid valves 8 to the delivery/discharge lines 12. An output line 10 enables the hydraulic fluid to be discharged through the valve 8 to an outlet 22 or the like.
  • the self-contained source of pressurized hydraulic fluid shown in Figure 3 comprises a fluid inlet 31 which is intended to be connected to the outlet 22 in Figure 1, a sump 32 for collection of hydraulic fluid passed via the outlet 22 and the inlet 31, a pump 33 for drawing fluid from the sump 32 and for pressurizing the fluid, a line 34 having a one way valve 36, a storage vessel 37 and a line 38 having an outlet 39 for connection to the inlet 21 shown in Figure 1.
  • the pump 33 is supplied by a storage battery 41 which is chargeable by a solar cell array 42.
  • the storage vessel 37 (which is shown schematically in cross-section ) has an air pocket 43 , above hydraulic fluid 44 .
  • the air in the pocket 43 will be compressed .
  • the storage vessel 37 has a capacity for hydraulic fluid at least equal to the amount of hydraulic fluid required to once operate the ram 3 in the gate opening or closing direction.
  • the pump 33 has a pumping capacity of less than half in litres/minute the number of litres required to once operate the ram 3 in the opening or closing direction.
  • this last is economical both as to the size and the cost of the pump and is unlikely to be a problem because of the capacity of the storage vessel 37 and because the compressed air in the air pocket 43 will be able to effect opening or closing of the gate.

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

Le dispositif actuateur décrit (1), qui est destiné à une grille d'entrée ou barrière (20) est conçu pour être utilisé avec un réservoir de fluide actif (44) qui, pendant l'utilisation, est sous pression de façon à former une charge piézométrique. Le dispositif actuateur (1) se caractérise par une unité à bélier hydraulique (3) qui comprend un cylindre (5) dans lequel est contenu un piston (4) séparant le cylindre (5) en deux chambres (13, 14), le piston (4) ou le cylindre (5) étant reliés de façon opérationnelle à la grille d'entrée ou barrière (20) et l'autre étant relié de façon opérationnelle à un élément fixe ou un support similaire; un orifice d'acheminement et/ou de décharge (12) associé à chacune des chambres (13, 14) à travers lequel le fluide actif (44) peut être acheminé et/ou déchargé sous pression; un conduit d'entrée (11) à travers lequel le fluide actif (44) est acheminé vers l'unité à bélier hydraulique (3) et qui est relié de façon opérationnelle au réservoir de fluide actif (37); un conduit de sortie (10) à travers lequel le fluide actif (44) est déchargé depuis l'unité à bélier hydraulique (3); ainsi qu'un organe de commande (8) permettant un acheminement sélectif du fluide actif (44) vers les chambres (13, 14). L'agencement est conçu de sorte que le mouvement relatif entre le piston (4) et le cylindre (5) qui résulte de l'acheminement sélectif sous pression de la charge piézométrique du fluide actif (44) vers les chambres (13, 14) entraîne le mouvement de la grille d'entrée ou barrière (20), et de sorte que le réservoir (37) présente une capacité volumétrique au moins égale à la capacité requise pour au moins une ouverture ou une fermeture de la grille d'entrée ou barrière (20).
PCT/AU1989/000324 1988-08-04 1989-08-01 Actuateur pour grille d'entree Ceased WO1990001606A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI9645 1988-08-04
AUPI964588 1988-08-04

Publications (1)

Publication Number Publication Date
WO1990001606A1 true WO1990001606A1 (fr) 1990-02-22

Family

ID=3773257

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1989/000324 Ceased WO1990001606A1 (fr) 1988-08-04 1989-08-01 Actuateur pour grille d'entree

Country Status (1)

Country Link
WO (1) WO1990001606A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256278A3 (fr) * 2009-05-20 2014-04-23 Robert Bosch GmbH Procédé de fonctionnement d'un dispositif d'entraînement ainsi que dispositif d'entraînement et dispositif d'aération ou d'obscurcissement

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455607A (en) * 1921-01-14 1923-05-15 Bois Charles L Du Hydraulic door-opening mechanism
US1730660A (en) * 1928-02-14 1929-10-08 William F Kanold Automatic doorset
US2298542A (en) * 1940-04-09 1942-10-13 Yale & Towne Mfg Co Door operator
US2361040A (en) * 1942-07-22 1944-10-24 Charles W Larsen Closure operator
GB1337167A (en) * 1970-12-02 1973-11-14 Stanley Works Hydraulic operator and circuit therefor
GB1337168A (en) * 1970-12-02 1973-11-14 Stanley Works Hydraulic operator
US3938282A (en) * 1974-02-01 1976-02-17 Kawneer Company, Inc. Sliding door operator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455607A (en) * 1921-01-14 1923-05-15 Bois Charles L Du Hydraulic door-opening mechanism
US1730660A (en) * 1928-02-14 1929-10-08 William F Kanold Automatic doorset
US2298542A (en) * 1940-04-09 1942-10-13 Yale & Towne Mfg Co Door operator
US2361040A (en) * 1942-07-22 1944-10-24 Charles W Larsen Closure operator
GB1337167A (en) * 1970-12-02 1973-11-14 Stanley Works Hydraulic operator and circuit therefor
GB1337168A (en) * 1970-12-02 1973-11-14 Stanley Works Hydraulic operator
US3938282A (en) * 1974-02-01 1976-02-17 Kawneer Company, Inc. Sliding door operator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256278A3 (fr) * 2009-05-20 2014-04-23 Robert Bosch GmbH Procédé de fonctionnement d'un dispositif d'entraînement ainsi que dispositif d'entraînement et dispositif d'aération ou d'obscurcissement

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