EP2460966A2 - Dispositif de fermeture au moins partielle d'une ouverture de pièce - Google Patents

Dispositif de fermeture au moins partielle d'une ouverture de pièce Download PDF

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Publication number
EP2460966A2
EP2460966A2 EP11191971A EP11191971A EP2460966A2 EP 2460966 A2 EP2460966 A2 EP 2460966A2 EP 11191971 A EP11191971 A EP 11191971A EP 11191971 A EP11191971 A EP 11191971A EP 2460966 A2 EP2460966 A2 EP 2460966A2
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EP
European Patent Office
Prior art keywords
closing element
counterweight
opening
pulley
counterweights
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.)
Withdrawn
Application number
EP11191971A
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German (de)
English (en)
Other versions
EP2460966A3 (fr
Inventor
Werner Thomas
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2460966A2 publication Critical patent/EP2460966A2/fr
Publication of EP2460966A3 publication Critical patent/EP2460966A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/04—Shutters, movable grilles, or other safety closing devices, e.g. against burglary of wing type, e.g. revolving or sliding
    • 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
    • E05D13/14—Counterbalance devices with weights
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B2009/007—Flood panels

Definitions

  • the invention relates to a device for at least partially closing an opening of a room according to the features of the preamble of claim 1.
  • the accident barrier has a barrier body, which can be placed sealingly on the bottom area of the opening, and accommodating bodies which cooperate with its lateral end portions and are arranged at the edges of the opening.
  • the barrier body is hollow and can be filled with a liquid in the event of a malfunction.
  • the barrier body is vertically movably guided in rails arranged vertically on both sides between an elevated position in the upper region of the opening and a blocking position in the bottom region and connected to at least one counterweight which holds it in equilibrium when empty.
  • the security bulkhead for gates or the like for shielding against flooding comprises a U-shaped lower, horizontal and two U-shaped lateral vertical guides for a torsionally rigid hollow body bulkhead, arranged at the upper end of the vertical guide pulleys for aendes acting on the hollow body bulkhead and eliminatedes counterweights bearing connecting means and the lateral and horizontal bulkhead edges in the U-guides sealing sealing elements.
  • a device for closing a room has a guided in guides bulkhead, which is transverse to an opening and in the state of Abschotttens via at least one seal liquid-tightly sealed against the boundaries of the opening and is arranged in the normal, the opening-releasing operation above this.
  • This bulkhead is moved vertically in the guides by a drive.
  • a deflection device is provided, which deflects the bulkhead to its arrangement for normal operation from the vertical position into an oblique position.
  • a vertical sliding window is described with an outer frame and at least one of the outer frame associated window sash.
  • the window sash holds at least one window pane and is guided on the outer frame in lateral guides in the installed state vertically longitudinally displaceable.
  • At least one drive unit is provided on the outer frame. This is coupled to the window sash in such a way that the sash is longitudinally displaceable vertically by means of the drive unit.
  • From the EP 0 949 398 B 1 is a lifting gate for the completion of a door opening of a frozen storage room known.
  • Side of the door opening guide rails are provided for the provided with lateral rollers door leaf.
  • a drivable shaft with winding drums for traction means for lifting and lowering of the door leaf is provided above the guide rails.
  • the door leaf is formed by a one-piece or composed of Paneelteil consortiumen, thermally insulating panel.
  • heatable sealing beads are arranged laterally and above the door opening.
  • the door leaf is provided at its lower edge with a heatable sealing bead, which is also designed as a contact strip.
  • the vertical guide rails of the door leaf are provided in their lower end portions with steering means which move the door leaf at the end of its lowering movement against the side and above the door opening arranged sealing beads.
  • the invention is based on the object to provide an improved device for at least partially closing an opening of a room.
  • the object is achieved by a device for at least partially closing an opening of a room with the features of claim 1.
  • An apparatus for at least partially closing an opening of a room comprises a closing element, which can be placed in a sealing manner on an opening bottom, and which is arranged in guides which are arranged vertically on both sides of the opening between a closing element opened position in an upper region of the opening and a closed position on the opening bottom is guided vertically movable and which is connected to at least one counterweight by means of which the closing element is held without any additional force acting on the closing element motionless in its respective position.
  • the closing element is coupled to at least one pneumatic, hydraulic and / or motor, for example electromotive drive unit for moving the closing element, wherein the drive unit is coupled to at least one drive energy storage.
  • Such a device serves, for example, a seal of the room against penetrating from outside into the room water, for example in a flood event, or against leakage of liquids from the room into the environment, for example in an accident, in which leakage of environmentally hazardous substances and / or extinguishing water from the room is to be prevented. Therefore, the device is attached, for example, to openings of rooms which serve as storage space for environmentally hazardous substances or as a production facility in which such materials are stored, processed and / or manufactured.
  • the closing element for example, also referred to as a safety, accident or accident barrier or bulkhead, is sealingly placed in the closed position against liquids on the opening bottom. Furthermore, seals are arranged at least in this closed position between the lateral guides and the closing element.
  • the lateral guides are attached laterally to the opening, for example, on an outer wall, for example on an inner side or an outer side of the outer wall, seals also being arranged between the guides and the outer wall in the closed position at least up to the level of an upper side of the closing element.
  • the closing element can close in this way also an opening of a barrier and thereby a space behind the barrier.
  • barriers are placed, for example, within a room as a room divider and extend for example from a room wall to an opposite room wall.
  • the space is divided into two spaces, which are closed and sealed against each other by the barrier and the closing element.
  • the lateral guides for the closing element are arranged laterally of the opening in the barrier and fastened to the barrier.
  • a barrier can also be arranged outside a covered space, for example on an open space surrounded by side walls, the barrier sealingly bearing against the side walls. In this way, two spaces defined by the barrier and the closing element are provided on the open space and can be sealed off from one another.
  • the closing element is designed, for example, as a hollow-chamber profile made of metal, for example of aluminum.
  • the hollow chamber profile can be composed of several stacked and interconnected individual hollow chamber profiles of the same or different height, which are welded together, for example. Since a pressure acting on a closing element of a dammed liquid in the lower region of the closing element is higher than in the upper region, preferably decreases a height of the individual interconnected hollow chamber profiles in the direction of the upper region, d. H. the lowest hollow chamber profile is the highest, so that the large pressure acting there acts against an integrally formed hollow chamber profile and a first weld arranged on this further hollow chamber profile, which could be a potential weak point of the closing element is as high as possible, so that on this one already lower pressure acts.
  • the height of the further hollow chamber profiles is then increasingly lower in the direction of the upper region of the closing element.
  • the closing element Since the closing element is in equilibrium with the counterweight and therefore is durable by this in its respective position, only the action of a very small additional force on the closing element required to move the closing element, ie to move from the open position, for example in a dangerous situation in the closed position and also to move the closing element from the closed position to the open position. Therefore, a relatively low-power drive unit is already sufficient to move the closing element, which can be made very small and lightweight and is very inexpensive.
  • an automatic movement of the closing element in the closed position in a detected dangerous situation allows, so that a manual operation of the closing element by a person present directly on the closing element is not required.
  • the closing element can be immediately closed immediately after detecting the dangerous situation so that there is no loss of time due to a person's approach path to the closing element.
  • the at least one drive energy storage, with which the drive unit is coupled, is for example an electric accumulator in an electromotive drive unit.
  • a pneumatic or hydraulic drive unit of the drive energy storage for example, a reservoir which is constantly filled with a sufficient supply of compressed air or hydraulic fluid reservoir, which is under a sufficient pressure.
  • This drive energy storage ensures at any time, especially for example in an accident with a failure of a power supply network and / or pneumatic or Hydraulikzuterrorism founded upon / or compressors or hydraulic pumps, a proper operation of the device, ie in particular a movement of the closing element in the closed position and preferably also a movement of the closing element in the open position.
  • This is expediently between the drive energy storage and the compressor or the hydraulic pump in the corresponding supply directly to the drive energy storage a check valve arranged to prevent escape of compressed air or hydraulic fluid from the drive energy storage in the direction of the compressor or the hydraulic pump.
  • a cylinder of the drive unit is preferably connected via a supply pressure line and a return pressure line to the pneumatic or hydraulic drive energy storage, wherein in each case a valve for regulating an inflowing or outflowing volume of air is arranged in both pressure lines, preferably on the cylinder.
  • These valves are designed, for example, as so-called needle valves.
  • a controllable solenoid valve is arranged in one of the pressure lines, expediently in the supply pressure line.
  • the valve is closed by switching an electromagnet, for example by controlling the closing element.
  • the needle valves also referred to as throttle valves, are manually adjustable and controllable. By adjusting the needle valves whose closed state and thereby a flow rate can be controlled, so that a movement speed of the closing element is infinitely adjustable.
  • the solenoid valve When a dangerous situation is detected, the solenoid valve is actuated, whereby it opens and compressed air or hydraulic fluid can flow into the cylinder through the supply pressure line. Furthermore, the solenoid valve opens even in the event of a fault, which results in a deenergized state of the solenoid valve, for example in the event of an accident.
  • the closing element moves automatically in the closed position, for example, with a closing speed of up to 0.2 m / s, depending on the set closed state of the needle valves. By completely closing both needle valves of the respective cylinder, the closing element can furthermore be held in an intermediate position, for example for maintenance work.
  • a shape of the closing element is adapted to a respective opening bottom, d. H. in particular, a bottom of the closing element is formed corresponding to the opening bottom.
  • a bottom of the closing element is formed corresponding to the opening bottom.
  • the underside of the closing element corresponding to the opening bottom is formed obliquely in order to ensure a sealed abutment of the underside of the closing element on the opening floor over an entire length of the closing element.
  • the counterweight is connected to both lateral end regions of the closing element.
  • a uniform movement of the closing element is made possible in particular with closure elements with a large length and avoid tilting of the closing element in the guides, since there is always a uniformly distributed application of force from the counterweight on the closing element.
  • one of the connections of the counterweight with the closing element fails, the other connection still exists in order to hold the closing element in position, so that a sudden and uncontrolled crash of the closing element is avoided.
  • the drive unit is coupled to the counterweight.
  • the drive unit is coupled via the counterweight with the connecting element.
  • the connecting element As a result, additional connections between the drive unit and the connecting element are avoided and a complexity and a required installation space are reduced.
  • a pneumatic or hydraulic drive unit for example, this is arranged under the counterweight and coupled via a piston rod with the counterweight. By raising or lowering the counterweight, the closing element is movable.
  • the counterweight and the closing element via at least one rope, such as a steel cable or a plastic rope, connected to each other, which is guided over a factor pulley or a power pulley.
  • the factor pulley advantageously has a factor greater than one, ie it has at least one loose pulley and a fixed pulley.
  • a distance to be traveled by the counterweight is less than a distance to be covered by the closing element, that is, a relatively small lowering path or stroke of the counterweight enables a relatively large stroke of the closing element to be realized.
  • the counterweight which itself has a relatively large height, be arranged next to the opening and under the counterweight nor the drive unit, for example, be arranged the pneumatic or hydraulic drive unit.
  • Such an arrangement allows only a relatively small path of movement of the counterweight. Due to the factor pulley or the power pulley is still a sufficient lifting height, d. H. allows sufficient movement of the closing element to lower the closing element completely in the closed position and fully raise in the open position. In this case, due to the different lengths of movement paths, a height extension of the counterweight may also be greater than a height extent of the closing element.
  • a cost-effective relatively small cylinder can be used, which only allows a relatively small piston stroke.
  • each of the counterweight must be adjusted accordingly.
  • a counterweight is required, which is four times heavier than the closing element. Due to the low required movement path of the counterweight this is but For example, be formed as a plurality of individual weights, which are arranged, for example, with each other and interconnected.
  • the closing element By adjusting a rope length, the closing element can be optimally positioned in the device and in particular its height can be regulated.
  • the rope is preferably fastened in the region of at least one end of the rope or both ends of the rope such that it can be loosened in a simple manner, the rope length can be changed and the rope can be fastened again.
  • the rope is fastened, for example, with one end of the rope on the closing element and with the other end of the rope on a frame transverse strut which is arranged horizontally above the opening.
  • At least one pulley of Faktorflaschenzuges or the power pulley is associated with a protective cover which covers the pulley over a portion of its circumference and over its entire width and the distance to an upper edge of an edge of the pulley is less than a rope diameter.
  • a protective cover which covers the pulley over a portion of its circumference and over its entire width and the distance to an upper edge of an edge of the pulley is less than a rope diameter.
  • an outer periphery of the counterweight is formed at least one point out of round.
  • the outer circumference of the counterweight is formed, for example, quadrangular, polygonal or oval or has a shape.
  • a twisting of the counterweight and thus, for example, when using a pulley a confusion of the cable sections and a resulting disturbance of the function of the device is avoided.
  • a release of the counterweight is avoided by the rope and / or by the drive unit to which the counterweight is attached, for example via threaded rods.
  • the counterweight is preferably arranged within a guided with the outer circumference of the counterweight weight guide and guided in this guided.
  • the counterweight has a quadrangular outer circumference and the weight guide has a quadrangular inner cross section corresponding thereto.
  • the weight guide is attached, for example, to the outer wall of the room adjacent to the opening. Edges of the counterweight are preferably rounded to prevent hooking of the counterweight.
  • the device comprises at least two counterweights, which are connected to the closing element independently of each other.
  • the force required for the closing element weight can be distributed in this way to two counterweights.
  • a height expansion of the individual counterweights is thus significantly lower, so that a sufficient movement path of the counterweights is ensured next to the opening.
  • These counterweights are arranged, for example, in each case on one side of the opening.
  • each of the counterweights is connected to both lateral end portions of the closing element.
  • a counterweight disposed to the left of the opening is connected via a cable to a left lateral end region and via another cable to a right lateral end region.
  • a counterweight arranged to the right of the opening is also connected via a cable to a left lateral end region and via a further cable to a right lateral end region, so that the device has at least four separate cables.
  • each of the counterweights is coupled to a respective drive unit, d. H.
  • the device has two drive units, which are each arranged on one side of the opening and are each connected via one of the counterweights with the closing element.
  • each of the drive units is smaller, easier and cheaper executable, since a total drive power of the drive units sufficient to move the closing element.
  • the drive units can also be implemented in such a way that a redundancy is given, i. H. that even with a failure of one of the drive units unrestricted movement of the closing element is still possible.
  • the drive units are pneumatic or hydraulic drive units whose pistons are connected to the respective counterweight and which are each connected to the drive energy storage.
  • a uniform pressure distribution on the drive units a uniform movement of the closing element is made possible and prevents tilting of the closing element.
  • the drive units move the counterweights, which are connected in the manner described by ropes with the lateral end portions of the closing element, as already described a uniform movement of the closing element allows, without the risk of tilting in the guides, as always a uniformly distributed application of force the closing element takes place, d. H. each on the two lateral end portions.
  • the device preferably comprises at least one sensor for detecting a dangerous situation, which requires the movement of the closing element into the closed position. This allows automatic triggering of the device, i. H. an automatic movement of the closing element in the closed position in the event of a dangerous situation.
  • the sensor is, for example, a fire detector which, for example, is coupled to a sprinkler system, ie to an automatic fire extinguishing system of the room. Furthermore, the sensor may, for example, also be a camera which is coupled to an image evaluation unit in order to be able to automatically recognize dangerous situations.
  • the sensor is particularly preferably a moisture sensor, in particular a liquid level sensor. This is for example designed as a vibrating probe, which is arranged in the vicinity of the device. This vibrating probe oscillates at a given frequency. Upon contact with a liquid, such as water, sludge, oil or substantially liquid extinguishing agent, the vibration of the vibrating probe changes.
  • a release of the device is expediently only after a predetermined time after a first detection of the liquid, for example, only after one second to three seconds.
  • the closing element is preferably lockable and fixable, for example fixable on the opening bottom, for a horizontal and / or vertical movement and / or deformation of the closing element, for example due to unilaterally acting fluid pressure, wind pressure in the event of storms and / or due to exposure to alluvial or to avoid overturning objects.
  • Fixing units distributed over a length of the closing element, by means of which the closing element can be fixed to the opening bottom, are closing elements with a large length, i. H. very wide closing elements for closing very wide openings, without allowing deformation of the closing element.
  • the device preferably has rigid separation securing plates on the upper side of the closing element and further fixing units in the form of clamping hooks in the region of the lateral guides of the closing element.
  • the tensioning hooks are automatically hooked into the pull-out securing plates, which also causes a horizontal and / or vertical movement and / or dynamic deformation due to forces acting on one side by pent-up liquids, wind load or objects and also a static deformation due to a length and weight of the Closing element is prevented.
  • these pull-out securing plates also absorb forces due to items falling on the closing element, for example falling-down building parts or trees.
  • the hooks hooked into the pull-out securing plates prevent deformation of the closing element and, in particular, pull it out of the lateral guides.
  • the fixing units and / or the further fixing units designed as tensioning hooks are preferably pneumatically, hydraulically, motorically and / or mechanically actuatable. They are particularly preferably coupled to the at least one drive energy storage.
  • the closing element preferably has rigid vertical profile elements, which are arranged distributed over the entire length of the closing element on an outer side and / or an inner side facing the space and, for example, materially, positively or non-positively fastened to the closing element, for example welded. In this way, loads acting on the closing element can be distributed over an entire extent of the closing element.
  • These profile elements are arranged for example in the side regions of the closing element and wedge-shaped, wherein the wedge shape rises upwards. In this way, in the closed state of the closing element, a firm pressing of the closing element against lateral seals is made possible, so that a good seal is ensured.
  • the guides for the closing element are preferably U-shaped and have in the lower area rubberized inlet wedges, which allow a snug fit the closing element in the guides and in particular allow a tension-free temperature-induced expansion of the closing element. This is particularly important in closure elements with a large length of importance, since very large temperature-induced strains can occur, for example in a fire.
  • the device preferably has at least one switching unit, for example in the form of a so-called reed contact on the cylinder of the pneumatic or hydraulic drive unit, which triggers, for example, in the closed position of the closing element to allow further electrical circuits, for example a fixing device for fixing the To operate locking element in the closed position.
  • the switching unit or another switching unit Furthermore, it can also be triggered by the closing element itself during its movement.
  • the device expediently has at least one visual and / or audible warning means in order to warn persons of a movement of the closing element and thereby a hazard, for example an injury from a collision of the closing element with persons or jamming of persons or damage to objects or vehicles to avoid.
  • FIGS. 1 and 2 show schematic representations of a device 1 for at least partially closing an opening 2 of a room with a closing element 3 in an open or in a closed position.
  • Such a device 1 serves, for example, a seal of the room against penetrating from outside into the room water, for example in a flood event, or against leakage of liquids from the room into the environment, for example in an accident, in which leakage of environmentally hazardous To prevent substances and / or extinguishing water from the room. Therefore, the device 1 is attached, for example, to openings 2 of rooms, which serve as storage space for environmentally hazardous substances or as a production facility in which such substances are stored, processed and / or manufactured.
  • the closing element 3 for example also referred to as a safety, accident or accident barrier or bulkhead, is sealingly placed in the closed position against liquids on an opening bottom 2.1.
  • Closing element 3 has for this purpose on a lower side a corresponding sealing element D1. Furthermore, at least in this closed position, seals D2 are also arranged between lateral guides 4 and the closing element 3.
  • the lateral guides 4 are attached to the side of the opening 2 on an outer wall 2.2 of the room, in the example shown here on an outer side of the outer wall 2.2, wherein between the guides 4 and the outer wall 2.2 at least up to the level of a top of the closing element 3 in the closed position Seals are arranged.
  • the opening 2 of the space is closed liquid-tight up to the level of the upper side of the closing element 3. In this way, a liquid to be retained can reach a storage height which corresponds to the height of the closing element 3, without penetrating into the room or escaping from the room.
  • the lateral guides 4 are arranged vertically on both sides of the opening 2.
  • these guides 4 which are formed for example as U-profile-shaped rails, the closing element 3 is guided vertically movable between the open position in an upper region of the opening 2 and the closed position on the opening bottom 2.1.
  • the closing element 3 is connected via ropes S1, S2, S3, S4, for example via metal cables, such as steel cables, or plastic ropes with counterweights 5.
  • the counterweights 5 are arranged on both sides of the opening 2 and dimensioned such that the closing element 3 is held motionless in its respective position without an additional force acting on the closing element 3.
  • An outer circumference of the counterweights 5 is quadrangular formed over the vertical extent and disposed within a guided with the outer circumference of the counterweights 5 weight guide 6 and guided in this guided, d. H.
  • the weight guide 6 has a quadrangular inner cross section, which corresponds to the quadrangular outer circumference of the counterweights 5.
  • the weight guides 6 are attached to both sides of the opening 2 on the outer wall 2.2.
  • the counterweights 5 are connected, for example by means of threaded rods 7 to each other and with the ropes S 1, S2, S3, S4. An uncontrolled rotation of the weights 5 would therefore possibly lead to a release of the threaded rods 7.
  • edges of the counterweights 5 are rounded to prevent snagging of the counterweights 5 and thereby ensure at all times uninterrupted uniform movement of the counterweights 5 and the closing element 3.
  • the closing element 3 Since the closing element 3 is in equilibrium with the counterweights 5 and is thus stable in its respective position, it is only necessary to exert a very small additional force on the closing element 3 in order to move the closing element 3, i. H. from the open position, for example, in a dangerous situation to move to the closed position and also to move the closing element 3 from the closed position to the open position.
  • drive units 8 which are coupled to the closing element 3.
  • These drive units 8 are designed as pneumatic drive units 8 in the example shown here.
  • hydraulic or motor in particular electromotive drive units 8 are used. Due to the equilibrium between the counterweights 5 and the closing element 3, relatively weak power units 8 for moving the closing element 3 are already sufficient, which can therefore be made very small and lightweight and are very cost-effective.
  • the pistons are each coupled via a piston rod with the counterweights 5 arranged above the respective drive unit 8 and in this way are coupled to the closing element 3 via the counterweights 5 and the ropes S1, S2, S3, S4.
  • the threaded rod 7 of the respective side for example, formed as the piston rod of the respective drive unit 8 and coupled in this way with the piston in the pneumatic cylinder, or the respective Kolbestange is connected to the respective threaded rod 7, for example screwed.
  • each of the drive units 8 is smaller, lighter and less expensive to carry out, since a total drive power of both drive units 8 together is sufficient to move the closing element 3.
  • a uniform movement of the closing element 3 is made possible by a uniform pressure distribution on the drive units 8 with compressed air and tilting of the Closing element 3 due to uneven movement of the piston of the drive units 8 prevented.
  • the drive units 8 can also be designed in such a way that redundancy is provided, ie. H. that unrestricted movement of the closing element 3 is still possible even if one of the drive units 8 fails.
  • each of the drive units 8 must be dimensioned such that even the drive power of only one of the drive units 8 would be sufficient for moving the closing element 3.
  • redundancy d. H. the functioning of the device 1 even in the event of failure of one of the drive units 8, for example, important and possibly required by law, if stored in the room, which is to be closed with the closing element 3, environmentally and / or hazardous substances and other dangerous goods and / or processed.
  • the drive units 8 are coupled via compressed air lines not shown here with a drive energy storage 9.
  • This drive energy storage 9 is formed for the pneumatic drive units 8 used here as a reservoir, which is constantly filled with a sufficient compressed air reservoir, which is under a sufficient pressure.
  • the drive energy storage 9 is connected via a supply line, for example with a compressor or with a compressed air supply system to replenish the drive energy storage 9.
  • a supply line for example with a compressor or with a compressed air supply system to replenish the drive energy storage 9.
  • compressed air supply systems are often already standard in industrial plants, for example, to operate pneumatic tools, so that only the supply line is connected to such a compressed air supply system.
  • a connection for the supply line to the drive energy storage 9 has a non-illustrated check valve, which allows the influx of compressed air into the drive energy storage 9, but prevents leakage from the drive energy storage 9 via the check valve.
  • the drive energy storage 9 ensures at any time, in particular, for example, in an accident with a failure of the compressor or the compressed air system, a proper operation of the device 1, d. H. in particular, a movement of the closing element 3 in the closed position and preferably also a movement of the closing element 3 in the open position, as at any time sufficient drive energy in the form of stored in the drive energy storage 9 compressed air for the drive units 8 is available.
  • the cylinders of the drive units 8 are each connected via a supply line not shown here and a return pressure line also not shown with the pneumatic drive energy storage 9, wherein in both pressure lines of the respective cylinder, preferably on the cylinder, respectively, a valve for regulating an inflowing or outflowing air volume is arranged.
  • These valves not shown here, for example, are designed as so-called needle valves.
  • a non-illustrated controllable solenoid valve is arranged in one of the pressure lines, suitably in the supply pressure line.
  • the valve In the solenoid valve, the valve is closed by switching an electromagnet, for example by a control of the closing element 3.
  • the needle valves also referred to as throttle valves, are manually adjustable and controllable. By adjusting the needle valves whose closed state and thereby a flow rate can be controlled, so that a movement speed of the closing element 3 is continuously adjustable.
  • the solenoid valve When a dangerous situation is detected, the solenoid valve is actuated, whereby it opens and compressed air can flow into the cylinder through the supply pressure line. Furthermore, the solenoid valve opens even in the event of a fault, which results in a deenergized state of the solenoid valve, for example in the event of an accident.
  • the closing element 3 moves automatically in the closed position, for example, with a closing speed of up to 0.2 m / s, depending on the set closing state of the needle valves. By completely closing both needle valves of the respective cylinder, the closing element can furthermore be held in an intermediate position, for example for maintenance work.
  • the arranged on both sides of the opening 2 counterweights 5 are connected in the illustrated advantageous embodiment in each case via two cables S1, S2, S3, S4 with two lateral end portions of the closing element 3, d. H. the two ropes S1, S2 of the left counterweight 5 are connected to the left and right side end portions of the closing element 3, respectively, and the two ropes S3, S4 of the right counterweight 5 are also connected to the left and right side end portions of the closing element 3, respectively.
  • the ropes S1, S2, S3, S4, which connect the counterweights 5 of each side with the closing element 3, are guided via factor pulleys 10.
  • the counterweights 5 each side is one Factor pulley 10 associated with, ie the ropes S1, S2 of the counterweights 5 one side are guided over a factor pulley 10 and the ropes S3, S4 of the counterweights 5 of the other side are guided over the other factors pulley 10.
  • power pulley trains can also be used in further embodiments, not shown here.
  • the factor pulleys 10 formed in the illustrated embodiment have a factor of four, that is, they each have four supporting cable sections between upper fixed pulleys FS and lower loose pulleys LS.
  • the respective cable S1, S2, S3, S4 is four times deflected in this way on the pulleys FS, LS of the respective factor pulley 10.
  • a path to be covered by the respective counterweights 5 is less than a travel which has to be covered by the closing element 3, i. H. by a relatively small stroke or lowering travel of the counterweights 5, a relatively large lowering travel or stroke of the closing element 3 can be realized.
  • the counterweights 5, which themselves have a certain height due to the relatively high weight required, can be arranged next to the opening 2, and under the counterweights 5, furthermore, the drive units 8 can also be positioned and a vertical installation space still available is still sufficient to bring about by raising or lowering of the counterweights 5 sufficient lowering or lifting of the closing element 3 to move this both in the lower closed position and in the upper open position.
  • a movement of the closing element 3 by twelve meters feasible, so that such a device 1 can also be easily installed, for example, at large hall doors is and still allows in the open position unhindered access, for example, for large transport vehicles.
  • each also the counterweights 5 are adjusted accordingly.
  • a total counterweight is required, which is four times heavier than the closing element 3. Therefore, with a weight of the closing element 3 of, for example, 100 kg, a total counterweight of 400 kg is required in order to balance over the factor pulleys 10 set between the closing element 3 and the counterweights 5. Since the required total counterweight is to be divided on the two sides, this means that counterweights 5 of 200 kg each are to be arranged on each side.
  • the counterweights 5 Due to the small required movement path of the counterweights 5, these are, for example, as shown here, as a plurality of individual weights can be formed, which are each arranged on both sides of the opening 2 and interconnected.
  • a height extent of the counterweights 5 is significantly lower than would be the case with a single total counterweight, so that a sufficient movement path of the counterweights 5 is ensured next to the opening 2.
  • relatively heavy closing elements 3 can be used, which for example have a length of 20 m and a height of 2 m, since sufficient counterweights 5 are used, ie, for example, a sufficient number of individual weights of the opening 2 can be arranged and moved ,
  • the height of the closing element 3 is the maximum storage height up to which liquids can be retained by the closing element 3.
  • fixed 5 fixed caster seats are arranged on both sides of the opening 2 on the drive units 8 and the counterweights.
  • These fixed caster wheel mounts are attached, for example, to a frame cross member 12 which is mounted above the opening 2 horizontally on the outer wall 2.2 and is further secured to the lateral guides 4, whereby a device frame is formed.
  • These fixed Bockrollenamn each have four fixed pulleys FS, which are arranged in the fixed Bockrollenamfactn side by side on a common axis of rotation and rotatably supported.
  • fixed castor cradles or fixed pulleys FS means that the fixed caster wheel receivers are firmly attached, d. H. that they are not movable and thereby form a fixed Umlenklager for the ropes S 1, S2, S3, S4.
  • the fixed pulleys FS are rotatably movable, but, since they are arranged on the axis of rotation in the respective fixed caster roller mount, not linearly movable, d. H. not movable.
  • each side is connected to a loose Bockrollenam, d. H.
  • This loose Bockrollenam is movable together with the counterweights 5 and moves at a lowering of the closing element 3 to the respective fixed fixed castor seat and when lifting the Verschmonyiatas 3 away from this and thereby each form a loose bearing for the ropes S1, S2, S3 , S4.
  • These loose Bockrollenamn each have four loose pulleys LS, which are arranged in the loose Bockrollenamam next to each other on a common axis of rotation and rotatably supported. Ie.
  • loose Bockrolleningn or loose pulleys LS means that the Bockrollenamn or the loose pulleys LS are linearly movable in the direction of fixed Bockrollenamn and fixed pulleys FS or away from them.
  • deflection rollers 13 are arranged on the frame cross member, which are arranged above the opening 2, that is closer to a central region of the opening 2 as the upper fixed fixed rollers.
  • the ropes S1, S2, S3, S4 of the fixed pulleys FS to the lateral end portions of the closing element 3 can be guided, the ropes S 1, S2, S3, S4 of the pulleys 13 in the direction of the closing element 3 vertically run.
  • each of the ropes S1, S2, S3, S4 is fastened to the frame cross member 12 with a cable end, via a loose pulley LS of the loose caster wheel receiver, then via a fixed pulley FS of the fixed caster wheel receiver, then again on a loose pulley LS the loose Bockrollenam, again on a fixed pulley FS the fixed Bockrollenam and then guided over one of the pulleys 13 to the closing element 3, to which the other end of the rope is attached.
  • This is done analogously for four cables S 1, S2, S3, S4, d. H.
  • the closing element 3 can be optimally positioned in the device 1 and, in particular, its height arrangement can be regulated.
  • the respective cable ends or more precisely end portions of the cables S1, S2, S3, S4 are fastened, for example, in cable clamps on the closing element 3 and / or on the frame transverse strut 12, so that the cable lengths are opened by opening the cable clamps and pulling through the respective cable S1, S2, S3, S4 and again closing the cable clamps continuously adjustable and thereby adaptable to the particular circumstances.
  • the pulleys 13, but also for example the pulleys FS, LS in the Bockrollenamn is advantageously assigned a protective cover or for each Bockrollenfact a common protective cover for all of their pulleys FS, LS, which the pulleys 13 and the pulleys FS, LS Cover over a portion of its circumference and over its entire width and the distance to an upper edge of an edge of the guide rollers 13 and pulleys FS, LS is less than a rope diameter.
  • the device 1 comprises a sensor 14 for detecting a dangerous situation, which requires the movement of the closing element 3 in the closed position. This allows automatic triggering of the device 1, d. H. an automatic movement of the closing element 3 in the closed position upon the occurrence of a dangerous situation.
  • the sensor 14 which is arranged here laterally of the opening 2 outside the room, is a liquid level sensor. This is designed as a vibrating probe.
  • the vibrating probe vibrates at a predetermined frequency.
  • a liquid such as water, sludge, oil or substantially liquid extinguishing agent
  • the vibration of the vibrating probe changes.
  • Such vibrating probes are known, for example, for measuring tank contents, wherein the vibrating probe is installed in a tank or can be arranged in this tank in order to determine a liquid level in the tank.
  • a triggering of the device 1 expediently takes place only after a predetermined time after a first detection of the liquid, for example only after one second to three seconds.
  • the device 1 Since the sensor 14 is arranged here outside the room, the device 1 shown here, for example, primarily intended to protect the room from penetrating flood. If the device 1 is provided primarily for preventing liquid leakage from the room, then the sensor 14 is expediently arranged in the room. Furthermore, of course, a plurality of sensors 14, for example, both in the room and outside the room can be arranged and used.
  • sensors 14 are used and also combinations of these sensors 14, for example, each matched to a purpose and location of the device 1.
  • Another such sensor 14 is, for example, a fire detector, which, for example with a sprinkler system, that is coupled with an automatic fire extinguishing system of the room.
  • the sensor 14 may, for example, also be a camera, which is coupled to an image evaluation unit in order to be able to automatically detect dangerous situations, or a moisture sensor.
  • the sensor 14 is coupled to a control unit 15 of the device 1, which evaluates acquired data of the sensor 14 and then automatically lowers the closing element 3 in the event of a detected dangerous situation, d. H. the solenoid valve controls to move by compressed air from the drive energy storage 9, the piston in the cylinders of the drive units 8 and thereby the counterweights 5 upwards, whereby the closing element 3 is lowered. Furthermore, manual control of the device 1 is also possible by way of this control unit 15, for example, to raise the closing element 3 again after the dangerous situation has passed or to manually actuate the closing element 3, for example, to move it to a middle position for maintenance purposes and stop there.
  • the closing element 3 in the closed position is preferably lockable and fixable, for example, as shown here, the opening bottom 2.1 fixed to a horizontal and / or vertical movement and / or deformation of the closing element 3, for example due a unilaterally acting fluid pressure to avoid wind pressure in severe weather and / or due to exposure to alluvial or overturning objects.
  • fixing units 16 distributed over an entire length of the closing element 3, by means of which the closing element 3 can be fixed on the opening bottom 2.1, an insert of closing elements 3 having a large length, that is d. H. of very wide closing elements 3 for closing very wide openings 2 without deformation of the closing element 3 allows. In the illustrated embodiment, only such a fixing unit 16 is arranged on the closing element 3.
  • closing elements 3 can be realized, which have a length of 20 m and a height of 20 cm.
  • the fixing units 16 are designed, for example, as centering pins and hooks, which can be lowered into cavities 17 in the opening bottom 2.1 and can be hooked therein.
  • the centering mandrels which are hollow and in which a hook is arranged out swinging out of these, even with an already slight deformation during lowering of the closing element 3 by wind load, water pressure or collision with objects nor an insertion into the respective cavity 17 and hooking means of the hook in the cavity 17 and thereby secure fixing of the closing element 3 at the bottom opening 2.1 allows.
  • the pivoting of the hooks for fixing the closing element 3 on the opening bottom 2.1 advantageously also takes place pneumatically. Therefore, preferably, the fixing units 16 are coupled to the drive energy storage 9. In this is then to store a sufficient supply of compressed air with sufficient pressure to ensure both the moving and the fixing of the closing element 3.
  • the device 1 for example, on the guides 4 arranged further fixing units 18, also referred to as a clamping hook, Studentstotretespanner or quick release.
  • These further fixing units 18 in the form of the clamping hooks are pivotable in the closed state of the closing element 3 on its upper side, preferably also pneumatically, so that the closing element 3 is held securely in this closed position by these further fixing units 18.
  • this is an extract safety of the closing element 3 from the guides 4, which are formed for example as U-profile rails, realized.
  • these further fixing units 18 are coupled to the drive energy storage 9.
  • a sufficient Store compressed air supply with a sufficient pressure to ensure both the moving and the fixing of the closing element 3.
  • the device 1 preferably has flexurally strong pull-out securing plates on the upper side of the closing element 3 in the region of the further fixing units 18, d. H. a reinforcement of the closing element 3 in this area.
  • the further fixing units 18 designed as tensioning hooks can be hooked securely into the hooking openings of the pull-out securing plates provided for this purpose, whereby horizontal and / or vertical movement and / or dynamic deformation due to unilaterally acting forces by pent-up liquids, wind load or objects and further a static deformation due to a length and a weight of the closing element 3 is reliably prevented.
  • these pull-out securing plates also absorb forces due to items falling on the closing element 3, for example falling-down building parts or trees.
  • the hooks hooked into the pull-out securing plates prevent deformation of the closing element 3 and, in particular, cause it to be pulled out of the lateral guides 4.
  • the closing element 3 preferably not shown here rigid vertical profile elements which are distributed over the entire length of the closing element 3 arranged on an outer side and / or a room facing the inside and, for example, materially, positively or non-positively attached to the closing element 3, for Example are welded. In this way, loads acting on the closing element 3 can be distributed over an entire longitudinal and high expansion of the closing element 3.
  • These profile elements are arranged for example in the side regions of the closing element 3 and wedge-shaped, wherein the wedge shape rises upward. In this way, in the closed state of the closing element 3, a firm pressing of the closing element 3 against the lateral seals D2 is made possible, so that a good seal is ensured.
  • the guides 4 for the closing element 3 are preferably U-shaped and have in the lower region the lateral seals D2 in the form of rubberized Einlaufkeile on, which allow a snug fit the closing element 3 in the guides 4 and in particular allow a tension-free temperature-induced expansion of the closing element 3. This is particularly important in closure elements 3 with a large length of importance, since very large temperature-induced strains can occur, for example, in a fire. These strains can be up to 40 mm in case of fire in a case of fire in a closure element 3 with a length of two meters at temperatures of 200 ° C.
  • the device 1 preferably has at least one switching unit not shown in detail, for example in the form of a so-called reed contact on the cylinders of the pneumatic or hydraulic drive units 8 which, for example, trigger in the closed position of the closing element 3 in order to enable further electrical circuits.
  • the switching unit or a further switching unit may also be triggered by the closing element 3 itself during its movement and be designed, for example, as a triggering plate which can be activated by the lowering closing element 3 and thereby activates, for example, a valve in order to fix the fixing units 16 and activate further fuser 18.
  • the switching units are also coupled to the control unit 15, for example, so that a coordinated control of the movement of the closing element 3 and other functions, for example, the fixation of the closing element 3 in the closed position is possible.
  • the device 1 expediently has at least one visual and / or audible warning means, not shown in greater detail, for example in the form of a flashing light and / or a siren, in order to warn persons of movement of the closing element 3 and thereby a hazard, for example an injury due to a collision of closing element 3 with persons or trapping of persons or damage to objects or vehicles.
  • This warning means is expediently coupled to the control unit 15 in order to activate it when the closing element 3 is lowered and advantageously also when the closing element 3 is raised.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP11191971.8A 2010-12-06 2011-12-05 Dispositif de fermeture au moins partielle d'une ouverture de pièce Withdrawn EP2460966A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010062449A DE102010062449A1 (de) 2010-12-06 2010-12-06 Vorrichtung zum zumindest teilweisen Verschließen einer Öffnung eines Raumes

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EP2460966A2 true EP2460966A2 (fr) 2012-06-06
EP2460966A3 EP2460966A3 (fr) 2013-11-20

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US (1) US8671622B2 (fr)
EP (1) EP2460966A3 (fr)
DE (1) DE102010062449A1 (fr)

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DE102016204882A1 (de) 2016-03-23 2017-09-28 Werner THOMAS Verschließelement und Vorrichtung mit einem solchen Verschließelement
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Also Published As

Publication number Publication date
US20120137584A1 (en) 2012-06-07
DE102010062449A1 (de) 2012-06-06
US8671622B2 (en) 2014-03-18
EP2460966A3 (fr) 2013-11-20

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