EP0422710B1 - Bar gate device with symmetrical actuator - Google Patents

Bar gate device with symmetrical actuator Download PDF

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Publication number
EP0422710B1
EP0422710B1 EP90202556A EP90202556A EP0422710B1 EP 0422710 B1 EP0422710 B1 EP 0422710B1 EP 90202556 A EP90202556 A EP 90202556A EP 90202556 A EP90202556 A EP 90202556A EP 0422710 B1 EP0422710 B1 EP 0422710B1
Authority
EP
European Patent Office
Prior art keywords
bar
actuator
shaft
lever
vertical position
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 - Lifetime
Application number
EP90202556A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0422710A1 (en
Inventor
Giuseppe Manini
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.)
FAAC SpA
Original Assignee
FAAC SpA
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 FAAC SpA filed Critical FAAC SpA
Priority to AT90202556T priority Critical patent/ATE99013T1/de
Publication of EP0422710A1 publication Critical patent/EP0422710A1/en
Application granted granted Critical
Publication of EP0422710B1 publication Critical patent/EP0422710B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates

Definitions

  • the present invention relates to a device of the type embodying a gate with a bar raised and lowered by means of servomechanisms, e.g. to regulate the transit of vehicles for obligatory passages, e.g. access to parking lots, warehouses, etc.
  • Another problem of the known art is that the force necessary to raise the bar is obviously different from that necessary to lower it and therefore for reasons of economy the servomechanisms employed to perform the two different operations are of different sizes.
  • This requires that to raise the bar with clockwise or counter-clockwise rotation there are necessary two different bar gate devices of different design or it is necessary to provide a gate device with a shaft for rotation of the bar which allows fixing of the bar to one end or the other thereof.
  • the first solution has the shortcoming of cost while the second has the shortcoming that the ends of the shaft must both project from the body of the device to allow fixing of the bar at one or the other of them with obvious problems of an aesthetic nature and the need to provide special covers for the unused end.
  • the general object of the present invention is to overcome the above mentioned shortcomings by providing a bar gate device without costly double-action actuators and which would allow installation both of clockwise opening bars and counter clockwise opening bars on the same end of the control shaft.
  • a controlled gate device comprising a bar moving between a horizontal position to block a passage and a vertical position to free said passage by means of servomechanisms acting to rotate a horizontal shaft supporting the bar near one of its ends and characterized in that said servomechanisms comprise a lever with equal arms and its fulcrum pivoted on said shaft and two equal single-action hydraulic actuators each connected between a corresponding end of the lever and the structure supporting the device fixed to the ground, to control operation, a first actuator controlling the movement of reaching the vertical position and the other actuator controlling the return to the horizontal position of the bar, there being connected to said lever means of reaction cooperating with the first actuator in the direction necessary to counterbalance the moment produced by the weight of the bar on the shaft balancing the forces of operation of the hydraulic actuators, the whole consisting of a lever and actuators being symmetrical in relation to the vertical plan passing through the shaft.
  • a bar gate device in accordance with the invention comprises a box 11 fixed to the ground and containing two single-action hydraulic actuators 12 and 13 with the ends of the cylinders connected by pivot to brackets (14, 15) to support respectively the box and the ends of the rods connected to pivots at the ends of a two-armed lever 16 pivoted on a shaft 17 supported in a rotating manner by means of bearings 18, 19 by a frame 20 fixed to the box 11.
  • the shaft 17 bears at one end projecting from the box a bar 21 partially shown.
  • the actuator 13 bears coaxially a thrust spring 22 reacting between the cylinder and the rod by means of spring stops 23, 24 respectively and acting by compensation of the moment produced by the weight of the bar 21 on the shaft 17 in such a manner that the two actuators 12 and 13 can be identical since they have to develop a virtually equal force.
  • the spring 22 must be selected with allowance for the weight and length of the bar 21.
  • the actuators are controlled alternately through flexible ducts 25 and 26 by a control circuit indicated generally by reference number 27 and not further represented nor described since it is an electrohydraulic circuit of the known art and hence easy to imagine by those skilled in the art.
  • the mechanism consisting of the actuators 12 and 13 and the linkage 16 is perfectly symmetrical except for the presence of the spring 22 in relation to the vertical plane containing the shaft 17.
  • the device 10 can be used to advantage to operate a closing bar 21 lowering clockwise or counter-clockwise merely by moving the spring 22 and the spring stop element 24 from one actuator to the other and rotating the position of the bar on the shaft by 90°.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pens And Brushes (AREA)
  • Actuator (AREA)
  • Laminated Bodies (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Barrages (AREA)
  • Motor Or Generator Frames (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP90202556A 1989-10-13 1990-09-27 Bar gate device with symmetrical actuator Expired - Lifetime EP0422710B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90202556T ATE99013T1 (de) 1989-10-13 1990-09-27 Schranke mit symmetrischem antrieb.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2191389U 1989-10-13
IT02191389U IT222604Z2 (it) 1989-10-13 1989-10-13 Dispositivo di barriera a sbarra con azionatore simmetrico

Publications (2)

Publication Number Publication Date
EP0422710A1 EP0422710A1 (en) 1991-04-17
EP0422710B1 true EP0422710B1 (en) 1993-12-22

Family

ID=11188684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90202556A Expired - Lifetime EP0422710B1 (en) 1989-10-13 1990-09-27 Bar gate device with symmetrical actuator

Country Status (5)

Country Link
EP (1) EP0422710B1 (it)
AT (1) ATE99013T1 (it)
DE (1) DE69005408T2 (it)
ES (1) ES2047830T3 (it)
IT (1) IT222604Z2 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1258735B (it) * 1992-05-28 1996-02-27 Siliani Angiolo Spa Apparecchiatura idraulica di comando del sollevamento e dell'abbassamento dell'asta di un passaggio a livello
FR2714683B1 (fr) * 1993-12-30 1996-04-05 Escota Dispositif d'actionnement de la lisse d'une barrière.
US8667736B2 (en) * 2010-12-03 2014-03-11 The Chamberlain Group, Inc. Tandem drive for barrier
CN106761352B (zh) * 2017-01-18 2018-08-31 红门智能科技股份有限公司 竖向旋转电动门的对称平衡结构
CN106894749B (zh) * 2017-01-18 2019-02-05 红门智能科技股份有限公司 竖向旋转电动门的力臂调整平衡机构
CN111560877A (zh) * 2020-03-24 2020-08-21 广汽菲亚特克莱斯勒汽车有限公司 一种带红绿信号灯手控式气动放行门闸
CN112921858A (zh) * 2021-02-01 2021-06-08 温州简顿商贸有限公司 一种用于拦截汽车的升降杆更加节省动能的装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606022A (en) * 1948-05-18 1952-08-05 Nat Pneumatic Co Inc Door operation and control
US2869861A (en) * 1957-04-15 1959-01-20 Carlson Martin Automatic door operator
GB824722A (en) * 1957-05-15 1959-12-02 George Wray Houlsby Jr Power actuating means for swinging door
GB1002313A (en) * 1962-08-13 1965-08-25 Electro Hydraulics Ltd Door actuating mechanism
DE1961391C2 (de) * 1969-12-06 1982-12-30 Malkmus-Dörnemann, geb.Dörnemann, Carola, Dr., 3320 Salzgitter Torschranke
FR2346541A1 (fr) * 1976-03-31 1977-10-28 Herberg Geb Barriere

Also Published As

Publication number Publication date
EP0422710A1 (en) 1991-04-17
ATE99013T1 (de) 1994-01-15
ES2047830T3 (es) 1994-03-01
IT8921913V0 (it) 1989-10-13
DE69005408T2 (de) 1994-04-14
IT222604Z2 (it) 1995-04-21
IT8921913U1 (it) 1991-04-13
DE69005408D1 (de) 1994-02-03

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