EP0172597A1 - Dispositif de sécurité pour des portes se fermant verticalement afin d'empêcher la porte de tomber - Google Patents
Dispositif de sécurité pour des portes se fermant verticalement afin d'empêcher la porte de tomber Download PDFInfo
- Publication number
- EP0172597A1 EP0172597A1 EP85201334A EP85201334A EP0172597A1 EP 0172597 A1 EP0172597 A1 EP 0172597A1 EP 85201334 A EP85201334 A EP 85201334A EP 85201334 A EP85201334 A EP 85201334A EP 0172597 A1 EP0172597 A1 EP 0172597A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pawl
- electromagnet
- cable
- spring
- ratchet wheel
- 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
Links
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/003—Anti-dropping devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/10—Counterbalance devices
- E05D13/12—Counterbalance devices with springs
- E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
- E05D13/1261—Counterbalance devices with springs with canted-coil torsion springs specially adapted for overhead wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/10—Counterbalance devices
- E05D13/12—Counterbalance devices with springs
- E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
- E05D13/1269—Spring safety devices
-
- 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
-
- 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
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/80—User interfaces
- E05Y2400/85—User input means
- E05Y2400/852—Sensors
- E05Y2400/854—Switches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/80—User interfaces
- E05Y2400/85—User input means
- E05Y2400/856—Actuation thereof
- E05Y2400/858—Actuation thereof by body parts, e.g. by feet
- E05Y2400/86—Actuation thereof by body parts, e.g. by feet by hand
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Definitions
- the present invention relates to a fall protection device for lifting doors, hatches, lattice doors and such commercial doors with vertical or partially vertical opening and closing movements.
- a fall protection device for lifting doors, hatches, lattice doors and such commercial doors with vertical or partially vertical opening and closing movements.
- an accessory of the suspension device such as a wire rope, a compensating spring, chain and the like
- a door which is pulled up can fall, which can result in a serious accident.
- the legal safety regulations in accordance with the trade regulations, building laws, occupational safety and traffic jam laws can be met by attaching systems that cause the same to fall if the cable is clamped or damaged, the spring cable breaks, the cable on which the door is suspended, etc. prevent.
- the present invention aims to provide suitable protection against such accidents.
- At least two separate steel cables or chains must be used to suspend vertically opening and closing doors.
- the cables are made of retracted galvanized wire ropes and they are constructed as prescribed in the standard NEN 3231: "Steel cables, parallel constructions for lifting and pulling devices”.
- the fall arrest device as mentioned at the outset is characterized according to the invention by housings which are fastened on one side or on both sides of the door opening, depending on the weight of the door, on the upper side of vertical guide rails on the wall or the portal construction, and in which one is mounted axle, on which a drum is welded, on the contour surface of which a securing tape is wound, and on which a locking wheel is also welded, which is connected to a self-winding flat coil spring, which exerts a force which keeps the securing tape wound while in secant shape attached recesses in the outline of this locking wheel fits a pawl from a lock holder which blocks the rotation of the axle in one direction when the pawl engages in one of the recesses in the secant direction.
- this button is provided with an electrical switch which allows the current to pass through in a neutral state.
- the power supply is interrupted by the action of these buttons as a result of slackening or tearing of the cables.
- a tilting mechanism is mounted on each spring that is used, which is tilted by the force developed by the spring during the winding process. In the tilted state, an electrical switch is operated which allows the current to pass through.
- the spring tears or loosens the spring will be in a neutral position, eliminating the force that should keep the tilt mechanism in a tilted position.
- an electromagnet is located above the ratchet wheel in the above-mentioned housings, which holds the pawl up.
- the blocking for securing when the cable breaks can therefore be caused, as described, by the mechanical pushbutton device (rod with fork) towards the pawl or by an electromagnet mounted above the pawl, which no longer exerts its force when a circuit flows through a cable switch , is interrupted.
- the ratchet wheel is centrally connected to the axle as it is to the drum on which the securing tape is wound.
- the end of the security band running out of the housing is connected to the door.
- the securing band When moving upwards, the securing band is wound onto the drum as a result of the self-winding flat spiral spring, which acts on the locking wheel, which is welded onto the mounted axle.
- reliable checking of the correct functioning of the safety device is possible manually by interrupting the circuit, which corresponds to the situation which occurs in the case of cables which are not tightly tensioned, in the event of cable breaks, spring breakage or slack springs.
- the security band is attached to the underside of the door.
- a pawl (6) which is held up by an electromagnet (10) or a rod (8).
- the pawl is fastened with a hinge joint in the pawl holder (9).
- the electromagnet (10) is fed from a transformer 220/24 V (18).
- a cable button (11) is attached behind each lifting cable (14).
- this button actuates an electrical switch (15) which allows the current to pass through.
- Each torsion spring (7) attached in front of the door is coupled to a tilting mechanism (12).
- this mechanism When the spring is normally tensioned, this mechanism is tilted due to the torsional force of the spring and becomes the electric one Switch (16) actuated, which passes current in this position. If the electrical components are connected in series (Fig. 3), the electromagnet is actuated. If the resilient pusher (13) is now pressed, the pawl on the electromagnet is lifted and held in this position.
- the mechanism continues to return to the neutral position through the attached tension spring, as a result of which the electrical switch (16) no longer allows current to pass.
- the electromagnet (10) is no longer supplied with current and the pawl (6) can no longer be held up. Due to its own weight and the attached tension spring, the pawl quickly falls down and engages in one of the recesses
- the door If the door is blocked by the lock, it can only be opened further by lifting it with a forklift, for example.
- the self-winding drum (2) By engaging the pawl (6), the self-winding drum (2) can only turn to the left, which means that the door can only be moved upwards.
- the pawl immediately engages in the recess, which immediately brings the door back into the safe position.
- a blocked door can only be closed by lifting the door slightly and then pressing and holding the resilient handle (13) until the forklift has lowered the door completely.
- the handle (13) is released, the pawl (6) immediately engages in the recess and the door is immediately brought to a safe standstill.
- the drum with the belt can only turn when the lifting cables and springs are taut and the circuit is closed.
- a lifting door with a height of about 6 m.
- a weight of 800 kg is secured by a device according to the invention, which consists of two housings according to the accompanying figures, with the interacting parts shown therein, a flat spiral spring which engages the locking wheel from a length of about 12 m in a stretched state Stainless steel band.
- Other dimensions are of course possible.
- the weight of the door can be increased to 400 kg.
- the shear stress in the recess of the ratchet wheel then becomes 2
- the securing band has a tensile strength of 1571 kg. With a safety factor of 3.9, the permissible load is 400 kg.
- the electrical installation is carried out in accordance with the requirements of NEN 1010.
- the switch is a closed contactor, which has a mechanically forced interruption switching function, as specified in VDE 0660, T 206 and VDE 0113, I.E.C. 44.
- the magnetic core is provided with a copper layer.
- the device described is approved for this purpose by
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8402586A NL8402586A (nl) | 1984-08-24 | 1984-08-24 | Valbeveiligingsinrichting voor verticaal bewegende deuren. |
NL8402586 | 1984-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0172597A1 true EP0172597A1 (fr) | 1986-02-26 |
EP0172597B1 EP0172597B1 (fr) | 1989-04-19 |
Family
ID=19844365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850201334 Expired EP0172597B1 (fr) | 1984-08-24 | 1985-08-20 | Dispositif de sécurité pour des portes se fermant verticalement afin d'empêcher la porte de tomber |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0172597B1 (fr) |
DE (1) | DE3569594D1 (fr) |
NL (1) | NL8402586A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748146A3 (fr) * | 2005-07-26 | 2007-11-28 | Alan Paul Young | Mécanisme de freinage d'un volet roulant |
WO2009112562A1 (fr) * | 2008-03-12 | 2009-09-17 | Hörmann KG Antriebstechnik | Dispositif d’entraînement de porte, en particulier entraînement direct |
CN104420759A (zh) * | 2013-09-03 | 2015-03-18 | 汪洋 | 电磁发条式自动关窗器 |
CN104790792A (zh) * | 2015-04-22 | 2015-07-22 | 浙江佑安高科消防系统有限公司 | 一种常开防火门闭门器 |
CN105464509A (zh) * | 2015-11-27 | 2016-04-06 | 青岛茂源金属集团有限公司 | 一种机械式栅栏门防断安全装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1863961A (en) * | 1931-05-08 | 1932-06-21 | Richmond Fireproof Door Compan | Safety device for suspended doors |
DE2725939A1 (de) * | 1977-06-08 | 1978-12-21 | Ketterer Soehne Gmbh & Co Kg B | Ueberwachungseinrichtung |
-
1984
- 1984-08-24 NL NL8402586A patent/NL8402586A/nl not_active Application Discontinuation
-
1985
- 1985-08-20 EP EP19850201334 patent/EP0172597B1/fr not_active Expired
- 1985-08-20 DE DE8585201334T patent/DE3569594D1/de not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1863961A (en) * | 1931-05-08 | 1932-06-21 | Richmond Fireproof Door Compan | Safety device for suspended doors |
DE2725939A1 (de) * | 1977-06-08 | 1978-12-21 | Ketterer Soehne Gmbh & Co Kg B | Ueberwachungseinrichtung |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748146A3 (fr) * | 2005-07-26 | 2007-11-28 | Alan Paul Young | Mécanisme de freinage d'un volet roulant |
WO2009112562A1 (fr) * | 2008-03-12 | 2009-09-17 | Hörmann KG Antriebstechnik | Dispositif d’entraînement de porte, en particulier entraînement direct |
CN104420759A (zh) * | 2013-09-03 | 2015-03-18 | 汪洋 | 电磁发条式自动关窗器 |
CN104420759B (zh) * | 2013-09-03 | 2017-03-22 | 汪洋 | 电磁发条式自动关窗器 |
CN104790792A (zh) * | 2015-04-22 | 2015-07-22 | 浙江佑安高科消防系统有限公司 | 一种常开防火门闭门器 |
CN105464509A (zh) * | 2015-11-27 | 2016-04-06 | 青岛茂源金属集团有限公司 | 一种机械式栅栏门防断安全装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0172597B1 (fr) | 1989-04-19 |
NL8402586A (nl) | 1986-03-17 |
DE3569594D1 (en) | 1989-05-24 |
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Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Owner name: VAN MEGEN, JACOBUS JOHANNES |
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