EP0092282A1 - A retractable road barrier - Google Patents

A retractable road barrier Download PDF

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Publication number
EP0092282A1
EP0092282A1 EP83200533A EP83200533A EP0092282A1 EP 0092282 A1 EP0092282 A1 EP 0092282A1 EP 83200533 A EP83200533 A EP 83200533A EP 83200533 A EP83200533 A EP 83200533A EP 0092282 A1 EP0092282 A1 EP 0092282A1
Authority
EP
European Patent Office
Prior art keywords
erecting
axis
barrier
road barrier
coupled
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
EP83200533A
Other languages
German (de)
French (fr)
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EP0092282B1 (en
Inventor
Pieter Arie Jan Eikelenboom
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT83200533T priority Critical patent/ATE16209T1/en
Publication of EP0092282A1 publication Critical patent/EP0092282A1/en
Application granted granted Critical
Publication of EP0092282B1 publication Critical patent/EP0092282B1/en
Expired 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
    • E01F13/08—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 closed position about a transverse axis situated in the road surface, e.g. tiltable sections of the road surface, tiltable parking posts

Definitions

  • This invention relates to a retractable road barrier comprising a barrier element pivotable about a first horizontal axis.
  • Such a road barrier is for instance used at the entrance of a parking lot to prevent unauthorized entrance.
  • the barrier element is driven by a worm gear and slip coupling through an electro- motor which has the disadvantage that the drive means are quite voluminous and relatively costly. Due to the self-braking properties of such a drive it has the drawback that, when the current source fails, the barrier cannot be retracted quickly which is particularly in case of fire and accidents very undesirable.
  • the road barrier is provided with an extensible drive mechanism, one end of which is anchored pivotally about a second axis, situated beneath and parallel to the first axis.while the other end is connected to an erecting element which co-operates with an erecting surface situated beneath the roadway and which rises rewards the two axes, and is also coupled, pivoting about a third axis parallel to the first and second axes, to the first end of a link, the other end of which is coupled, pivoting about a fourth axis parallel to the other axis, to the barrier element at a point situated between the first pivot axis and the end thereof.
  • the extensible drive mechanism When the road barrier is retracted the extensible drive mechanism is totally extended and lies parallel to the barrier element; the erecting element lies then at the lowest part of the erecting surface. To raise the barrier the drive mechanism is retracted so that the erecting element moves upwardly along the erecting surface and presses the barrier element upwardly by means of the link.
  • the few parts are all simple and can be manufactured cheaply; with a small depth and short strength the barrier element can rotate over a significant angle.
  • the simple and cheap structure makes it possible to use the road barrier for a great number of purposes, such as in self-service filling stations to prevent customers driving away without paying, protection of private and common parking places, protection of entrances, etc..
  • the drive mechanism is a ram actuated by a medium under pressure, preferably pressurized air.
  • the elongate erecting element is connected at its center to the piston rod of the ram and is at each of the two ends pivotably connected to a link.
  • the erecting surface merges at its highest point into a flat portion the barrier element is locked in its raised position and need not be kept in that position by permanent pressure medium in the ram.
  • the erecting element is coupled with at least one abutment engaging beneath the erecting surface extension of the driving mechanism will force the barrier element downwardly so that the retracting thereof is not dependent upon gravity and cannot be impared by, e.g. dirt in its bearings
  • a compensating spring is placed between the barrier element and the frame.
  • reference 1 denotes a road surface, e.g. the access to a car park.
  • the retractable road barrier is accomodated in a diagrammatically illustrated frame, the uprights of which are denoted by references 2, 3 and one longitudinal member of which is denoted by reference 4.
  • Said frame bears the barrier element 5 via a horizontal pivot 6.
  • the barrier element 5 bears a number of interconnected extensible closure elements 7, which screen the opening in the extended state (see Fi g . 2).
  • a pneumatic cylinder 8 is disposed beneath the barrier el L .-ent 5 in the frame and is pivotable about a second and likewise horizontal pivot 9 situated beneath the pivot 6.
  • the piston rod 10 is connected to the middle of an elongate cylindrical erector element 11 which can rise towards an erector surface 12 anchored in the frame.
  • the piston rod 10 passes through a central opening formed in the erector surface 12; of course two separate surfaces can be used.
  • the element 11 projects a short distance beyond the erection surface 12 and these ends are pivotally about a horizontal pivot 14 connected to the first end of a hook-shaped link 13.
  • each link 13 is coupled pivotably about a horizontal pivot 15 to the barrier element 5 at a point situated between the pivot 6 and the end 16 thereof.
  • Fig. 2 shows the end position of the barrier element, in which, in the embodiment illustrated, the erector element 11 comes to rest on the horizontal extension 12a of the erecting surface 12, so that the barrier element 5 is locked in this position and does not have to be kept in the end position by maintaining medium pressure in the cylinder 8.
  • an abutment 17 is coupled to the erecting element 11 and engages beneath the erecting surface 12 - as illustrated in the drawings - so that when the piston rod 10 extends and the erecting element 11 moves to the right the abutment 17 abuts the underside of the erecting surface 12 and the erecting element 11 with the links 13 coupled thereto, and hence the barrier element 5, automatically move downwards.
  • a spring 18 may be provided between the barrier element 5 and the frame, but this is not essential.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

A retractable road barrier comprises a barrier element (5) pivotable about a horizontal axis (6), and an extensible drive mechanism (8), one end of which is anchored pivotally while the other end is connected to an erecting element (11) which co-operates with an erecting surface (12) situated beneath the roadway, and which is also coupled to the first and of a link (13), the other end of which is coupled to the barrier element (5) at a point (15) situated between the hori- zointal axis (6) and the opposite end (16) thereof.

Description

  • This invention relates to a retractable road barrier comprising a barrier element pivotable about a first horizontal axis.
  • Such a road barrier is for instance used at the entrance of a parking lot to prevent unauthorized entrance. In a known device of this kind the barrier element is driven by a worm gear and slip coupling through an electro- motor which has the disadvantage that the drive means are quite voluminous and relatively costly. Due to the self-braking properties of such a drive it has the drawback that, when the current source fails, the barrier cannot be retracted quickly which is particularly in case of fire and accidents very undesirable.
  • The invention aims to eliminate these drawbacks. According to the invention the road barrier is provided with an extensible drive mechanism, one end of which is anchored pivotally about a second axis, situated beneath and parallel to the first axis.while the other end is connected to an erecting element which co-operates with an erecting surface situated beneath the roadway and which rises rewards the two axes, and is also coupled, pivoting about a third axis parallel to the first and second axes, to the first end of a link, the other end of which is coupled, pivoting about a fourth axis parallel to the other axis, to the barrier element at a point situated between the first pivot axis and the end thereof.
  • When the road barrier is retracted the extensible drive mechanism is totally extended and lies parallel to the barrier element; the erecting element lies then at the lowest part of the erecting surface. To raise the barrier the drive mechanism is retracted so that the erecting element moves upwardly along the erecting surface and presses the barrier element upwardly by means of the link.
  • The few parts are all simple and can be manufactured cheaply; with a small depth and short strength the barrier element can rotate over a significant angle.
  • The simple and cheap structure makes it possible to use the road barrier for a great number of purposes, such as in self-service filling stations to prevent customers driving away without paying, protection of private and common parking places, protection of entrances, etc..
  • Preferably the drive mechanism is a ram actuated by a medium under pressure, preferably pressurized air.
  • According to a preferred embodiment the elongate erecting element is connected at its center to the piston rod of the ram and is at each of the two ends pivotably connected to a link.
  • When, according to a preferred embodiment, the erecting surface merges at its highest point into a flat portion the barrier element is locked in its raised position and need not be kept in that position by permanent pressure medium in the ram. When furthermore the erecting element is coupled with at least one abutment engaging beneath the erecting surface extension of the driving mechanism will force the barrier element downwardly so that the retracting thereof is not dependent upon gravity and cannot be impared by, e.g. dirt in its bearings
  • Furthermore preferably a compensating spring is placed between the barrier element and the frame.
  • The invention is elucidated on the hand of the drawings.
    • Fig. 1 is a diagrammatic illustration of one embodiment of the invention with the road barrier element flush with the road surface;
    • Fig. 2 shows the same embodiment with the road barrier element in the raised position.
  • Referring to Fig. 1, reference 1 denotes a road surface, e.g. the access to a car park. The retractable road barrier is accomodated in a diagrammatically illustrated frame, the uprights of which are denoted by references 2, 3 and one longitudinal member of which is denoted by reference 4. Said frame bears the barrier element 5 via a horizontal pivot 6. At the end, the barrier element 5 bears a number of interconnected extensible closure elements 7, which screen the opening in the extended state (see Fig. 2).
  • A pneumatic cylinder 8 is disposed beneath the barrier elL.-ent 5 in the frame and is pivotable about a second and likewise horizontal pivot 9 situated beneath the pivot 6. At the end, the piston rod 10 is connected to the middle of an elongate cylindrical erector element 11 which can rise towards an erector surface 12 anchored in the frame. The piston rod 10 passes through a central opening formed in the erector surface 12; of course two separate surfaces can be used.
  • At each end, the element 11 projects a short distance beyond the erection surface 12 and these ends are pivotally about a horizontal pivot 14 connected to the first end of a hook-shaped link 13.
  • The other end of each link 13 is coupled pivotably about a horizontal pivot 15 to the barrier element 5 at a point situated between the pivot 6 and the end 16 thereof.
  • The operation is simple: when the piston rod 10 is retracted into the cylinder 8 the erector element 11 runs against erection surface 12 and presses the barrier element 5 upwards by way of the links 13.
  • Fig. 2 shows the end position of the barrier element, in which, in the embodiment illustrated, the erector element 11 comes to rest on the horizontal extension 12a of the erecting surface 12, so that the barrier element 5 is locked in this position and does not have to be kept in the end position by maintaining medium pressure in the cylinder 8.
  • If extension of the actuator 8 is required to cause the barrier element to retract automatically into the road surface, an abutment 17 is coupled to the erecting element 11 and engages beneath the erecting surface 12 - as illustrated in the drawings - so that when the piston rod 10 extends and the erecting element 11 moves to the right the abutment 17 abuts the underside of the erecting surface 12 and the erecting element 11 with the links 13 coupled thereto, and hence the barrier element 5, automatically move downwards.
  • To reduce the force that the cylinder must provide, a spring 18 may be provided between the barrier element 5 and the frame, but this is not essential.
  • It is observed that the reference numerals in the claims are not intended to rectrict the scope thereof, but are only denoted for clarification.

Claims (6)

1. A retractable road barrier comprising a barrier element pivotable about a first horizontal axis, characterised by an extensible drive mechanism (8), one end of which is pivotally about a second axis (9), situated beneath and parallel to the first axis, anchored while the other end is connected to an erecting element (11) which co-operates with an erecting surface (12) situated beneath the roadway and which rises towards the two said axes, and is also coupled pivoting about a third axis (14) parallel to the first and second axes, to the first end of a link (13), the other end of which is coupled, pivoting about a fourth axis (15) parallel to the other axes, to the barrier element (5) at a point situated between the first pivot axis and the end thereof.
2. A road barrier according to claim 1, characterised in that the drive mechanism (8) is a ram actuated by a medium under pressure.
3. A road barrier according to claim 2, characterised in that the, elongate, erecting element (11) is connected at its center to a piston rod (10) of the ram (8) and is at each of the two ends pivotably connected to a link (13).
4. A road barrier according to claims 1 to 3, characterised in that the erecting surface (12) merges, at the highest point, into a flat portion (12a).
5. A road barrier according to claims 1 to 4, characterised in that the erecting element (11) is coupled to at least one abutment (17) engaging beneath the erecting surface.
6. A road barrier according to claims 1 to 5, characterised by a compensating spring (18) placed between the barrier element (15) and the frame.
EP83200533A 1982-04-16 1983-04-14 A retractable road barrier Expired EP0092282B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83200533T ATE16209T1 (en) 1982-04-16 1983-04-14 RETRACTABLE ROAD BLOCK.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8201604 1982-04-16
NL8201604A NL8201604A (en) 1982-04-16 1982-04-16 SINKABLE ROAD BARRIER.

Publications (2)

Publication Number Publication Date
EP0092282A1 true EP0092282A1 (en) 1983-10-26
EP0092282B1 EP0092282B1 (en) 1985-10-23

Family

ID=19839595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200533A Expired EP0092282B1 (en) 1982-04-16 1983-04-14 A retractable road barrier

Country Status (4)

Country Link
EP (1) EP0092282B1 (en)
AT (1) ATE16209T1 (en)
DE (1) DE3361053D1 (en)
NL (1) NL8201604A (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127893A (en) * 1982-09-28 1984-04-18 Harry David Dickinson Motorized curb barrier traffic- way controller
GB2165569A (en) * 1984-09-05 1986-04-16 Alan Dunsmore Retractable road barrier
EP0227016A2 (en) * 1985-12-20 1987-07-01 Manfred Fladung GmbH Obstruction device for a temporary obstruction of a roadway
EP0328919A2 (en) * 1988-02-16 1989-08-23 Ralph G. Nasatka Hydraulic spring vehicle barricade and hydraulic circuit therefor
US4861185A (en) * 1986-12-23 1989-08-29 Eikelenboon Peter A J Collapsible road barrier
WO1990009487A1 (en) * 1989-02-16 1990-08-23 Manfred Fladung Gmbh Road barricade
US5248215A (en) * 1989-02-16 1993-09-28 Manfred Fladung Gmbh Road barricade
GB2270533A (en) * 1989-12-01 1994-03-16 Auto Space Saver Limited Traffic control unit
GB2344128A (en) * 1998-11-26 2000-05-31 Jaginder Singh Mudhar Vehicle barrier
NL1014925C2 (en) * 2000-04-12 2001-10-15 Bavak Beveiligingsgroep Bv Road obstruction has housing sunken into road surface and in which top plate is pivotable around horizontal axis and support column fixed rotatably at one end under and to top plate
DE10201688C2 (en) * 2001-03-14 2003-08-21 Jens Friebner Device for locking and unlocking a roadway for motor vehicles
CN102677612A (en) * 2012-06-06 2012-09-19 深圳市捷顺科技实业股份有限公司 Hydraulically-driven roadblock machine
ITMI20130335A1 (en) * 2013-03-06 2014-09-07 Serena Grotta ROAD SAFETY DEVICE.
CN105821783A (en) * 2016-05-27 2016-08-03 杨鹏民 Novel barrier gate
WO2017064540A1 (en) * 2015-10-16 2017-04-20 Gomez, Oscar Retractable vehicle barrier
CN108589588A (en) * 2018-05-02 2018-09-28 马鞍山市翔宇机械自动化科技有限公司 Turnover plate type doorway gate
GR20180100019A (en) * 2018-01-19 2019-09-06 Αθανασιος Δημητριου Σαπαλιδης Pre-fabricated rotary metal security door system deterring the entry of pedestrians and vehicles
IT202000005851A1 (en) 2020-03-19 2021-09-19 Fausto Mezzanotti STRUCTURE OF ROAD BARRIER

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509753A (en) * 1994-11-22 1996-04-23 Thompson; Clinton C. Retractable speed bump
CN105648942B (en) * 2015-12-29 2018-03-09 公安部第一研究所 A kind of hydraulic flap roadblock for stopping vehicles

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497073A (en) * 1921-03-16 1924-06-10 Conan A Doyle Traffic regulator
US1765906A (en) * 1929-10-28 1930-06-24 Harry S Coder Grade-crossing safety equipment
US3141639A (en) * 1962-04-10 1964-07-21 Mark Falk Retractable blast deflector and acoustic barrier
GB1109257A (en) * 1964-08-10 1968-04-10 Blue Giant Equipment Improvements in dock levellers
US3503480A (en) * 1968-07-02 1970-03-31 Clark L Selby Jr Means of self-enforcing parking
GB1193901A (en) * 1968-01-05 1970-06-03 Godwin Warren Eng Security Barrier Systems
GB2014220A (en) * 1978-02-14 1979-08-22 Malkmus Doernemann Carola Roadway Barrier
GB2079356A (en) * 1980-07-03 1982-01-20 Wilson Colin Hutchinson Retractable road surface ramps

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1497073A (en) * 1921-03-16 1924-06-10 Conan A Doyle Traffic regulator
US1765906A (en) * 1929-10-28 1930-06-24 Harry S Coder Grade-crossing safety equipment
US3141639A (en) * 1962-04-10 1964-07-21 Mark Falk Retractable blast deflector and acoustic barrier
GB1109257A (en) * 1964-08-10 1968-04-10 Blue Giant Equipment Improvements in dock levellers
GB1193901A (en) * 1968-01-05 1970-06-03 Godwin Warren Eng Security Barrier Systems
US3503480A (en) * 1968-07-02 1970-03-31 Clark L Selby Jr Means of self-enforcing parking
GB2014220A (en) * 1978-02-14 1979-08-22 Malkmus Doernemann Carola Roadway Barrier
GB2079356A (en) * 1980-07-03 1982-01-20 Wilson Colin Hutchinson Retractable road surface ramps

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127893A (en) * 1982-09-28 1984-04-18 Harry David Dickinson Motorized curb barrier traffic- way controller
GB2165569A (en) * 1984-09-05 1986-04-16 Alan Dunsmore Retractable road barrier
EP0227016A2 (en) * 1985-12-20 1987-07-01 Manfred Fladung GmbH Obstruction device for a temporary obstruction of a roadway
EP0227016A3 (en) * 1985-12-20 1988-05-25 Manfred Fladung Gmbh Obstruction device for a temporary obstruction of a roadway
US4861185A (en) * 1986-12-23 1989-08-29 Eikelenboon Peter A J Collapsible road barrier
EP0328919A3 (en) * 1988-02-16 1989-10-18 Ralph G. Nasatka Hydraulic spring vehicle barricade and hydraulic circuit therefor
EP0328919A2 (en) * 1988-02-16 1989-08-23 Ralph G. Nasatka Hydraulic spring vehicle barricade and hydraulic circuit therefor
WO1990009487A1 (en) * 1989-02-16 1990-08-23 Manfred Fladung Gmbh Road barricade
US5248215A (en) * 1989-02-16 1993-09-28 Manfred Fladung Gmbh Road barricade
GB2270533A (en) * 1989-12-01 1994-03-16 Auto Space Saver Limited Traffic control unit
GB2270533B (en) * 1989-12-01 1994-06-15 Auto Space Saver Limited Traffic flow control unit
GB2344128B (en) * 1998-11-26 2002-08-21 Jaginder Singh Mudhar Barriers
GB2344128A (en) * 1998-11-26 2000-05-31 Jaginder Singh Mudhar Vehicle barrier
NL1014925C2 (en) * 2000-04-12 2001-10-15 Bavak Beveiligingsgroep Bv Road obstruction has housing sunken into road surface and in which top plate is pivotable around horizontal axis and support column fixed rotatably at one end under and to top plate
DE10201688C2 (en) * 2001-03-14 2003-08-21 Jens Friebner Device for locking and unlocking a roadway for motor vehicles
CN102677612A (en) * 2012-06-06 2012-09-19 深圳市捷顺科技实业股份有限公司 Hydraulically-driven roadblock machine
ITMI20130335A1 (en) * 2013-03-06 2014-09-07 Serena Grotta ROAD SAFETY DEVICE.
WO2014135476A1 (en) 2013-03-06 2014-09-12 Salvatore Marino Road safety device
WO2017064540A1 (en) * 2015-10-16 2017-04-20 Gomez, Oscar Retractable vehicle barrier
CN105821783A (en) * 2016-05-27 2016-08-03 杨鹏民 Novel barrier gate
GR20180100019A (en) * 2018-01-19 2019-09-06 Αθανασιος Δημητριου Σαπαλιδης Pre-fabricated rotary metal security door system deterring the entry of pedestrians and vehicles
GR1009894B (en) * 2018-01-19 2021-01-08 Αθανασιος Δημητριου Σαπαλιδης Pre-fabricated rotary metal security door system deterring the entry of pedestrians and vehicles
CN108589588A (en) * 2018-05-02 2018-09-28 马鞍山市翔宇机械自动化科技有限公司 Turnover plate type doorway gate
IT202000005851A1 (en) 2020-03-19 2021-09-19 Fausto Mezzanotti STRUCTURE OF ROAD BARRIER

Also Published As

Publication number Publication date
EP0092282B1 (en) 1985-10-23
NL8201604A (en) 1983-11-16
ATE16209T1 (en) 1985-11-15
DE3361053D1 (en) 1985-11-28

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