EP4058650A1 - Entraînement hydraulique de porte relevable et porte relevable présentant l'entraînement hydraulique ainsi que procédé de fonctionnement de l'entraînement hydraulique de porte - Google Patents

Entraînement hydraulique de porte relevable et porte relevable présentant l'entraînement hydraulique ainsi que procédé de fonctionnement de l'entraînement hydraulique de porte

Info

Publication number
EP4058650A1
EP4058650A1 EP20800885.4A EP20800885A EP4058650A1 EP 4058650 A1 EP4058650 A1 EP 4058650A1 EP 20800885 A EP20800885 A EP 20800885A EP 4058650 A1 EP4058650 A1 EP 4058650A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
door
pressure accumulator
door curtain
drive
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.)
Pending
Application number
EP20800885.4A
Other languages
German (de)
English (en)
Inventor
Borut MOCNIK
Alen LJOKI
Andrej Mazej
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.)
Efaflex Inzeniring doo
Original Assignee
Efaflex Inzeniring doo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Efaflex Inzeniring doo filed Critical Efaflex Inzeniring doo
Publication of EP4058650A1 publication Critical patent/EP4058650A1/fr
Pending legal-status Critical Current

Links

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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/57—Power-operated mechanisms for wings using fluid-pressure actuators for vertically-sliding 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
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/57—Power-operated mechanisms for wings using fluid-pressure actuators for vertically-sliding wings
    • E05F15/59—Power-operated mechanisms for wings using fluid-pressure actuators for vertically-sliding wings for overhead wings
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
    • E05D15/24—Suspension arrangements for wings for wings sliding vertically more or less in their own plane consisting of parts connected at their edges
    • E05D15/242—Hinge connections between the parts
    • 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
    • E05Y2900/11—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for industrial buildings
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/807—Brakes preventing fast screen movement
    • E06B2009/808—Fluid brakes

Definitions

  • Hydraulic gate drive for a lifting gate and lifting gate having the hydraulic gate drive and a method for operating the hydraulic one
  • the invention relates to a hydraulic door drive for a lifting gate according to the preamble of claim 1 and a lifting gate having the hydraulic door drive according to the preamble of claim 15 and a method for operating the hydraulic door drive according to the preamble of claim 18.
  • a roller door which has a roll-up door curtain.
  • the roller shutter is equipped with a position switch.
  • the roll-up door curtain is rolled up on a winding shaft over a door opening.
  • the door curtain is driven by a drive unit.
  • An unspecified hydraulic motor, among other things, is named as possible drive units.
  • Such a roller door does not have emergency opening and / or emergency closing functions, in particular in the event of a power supply failure.
  • a segment roller door is known from DE 43 05 007 A1, in which a drive can, among other things, be designed hydraulically. From EP 0881 349 A2 a roller door is known which can continue to be operated after a power failure. For this purpose, buffer batteries (accumulators) are provided in the electrical control circuit for the hydraulic system.
  • a fire protection door which is driven by means of a hydraulic cylinder.
  • the gate is closed by gravity.
  • an articulated counterweight is used, which is raised when opening and lowered when closing.
  • a roller door is known which is suitable for emergency tents, field hospitals or the like and which is actuated by a pressurized fluid.
  • Pressure lines which can be folded and flattened, are integrated in a gate curtain that can be rolled up and down. When a pressurized fluid, be it a liquid or a gas, is applied, the door curtain is stretched and unrolled. If the pressure is released from the lines, a coil spring can rewind the door curtain. It is therefore a self-opening gate system that can be closed by means of pressure.
  • the object of the invention is to provide a hydraulic door drive and a lifting door having the hydraulic door drive, which has a longer service life and, in particular, whose door curtain can be opened and closed at high speed.
  • the hydraulic door drive should be suitable for meeting emergency closing and / or emergency opening requirements in a simple manner, especially in the event of a failure of electrical energy, while avoiding components at risk of fatigue.
  • Another object of the invention is to specify a method suitable for this for operating a hydraulic door drive.
  • a hydraulic door drive according to the invention for a lifting door that opens in particular vertically has: at least one hydraulic motor which is set up and designed to drive a door curtain or at least to be driven by the door curtain at least one hydraulic unit to supply the hydraulic door drive with pressurized hydraulic fluid and a pressure accumulator, whereby a) potential energy released by the door curtain when it is closed can be stored in the form of pressure energy in the pressure accumulator and / or b) the pressure accumulator with the at least one hydraulic unit With
  • Pressure energy can be loaded, c) stored pressure energy in the pressure accumulator can be delivered to the hydraulic motor at least for opening and / or at least for closing the door curtain.
  • a hydraulic door drive according to the invention ensures that a lifting door can be opened and / or closed quickly (e.g. lowering) and can work reliably, at least in emergency mode, even if the electrical power supply fails.
  • the maintenance effort is significantly reduced compared to a mechanical door drive using spring accumulators.
  • the risk of injury from breaking springs is prevented.
  • the hydraulic door drive according to the invention is particularly suitable for integrating emergency opening, emergency closing and / or emergency stop devices for the door process.
  • the hydraulic door drive has a pressurized hydraulic fluid which can be conducted from a hydraulic unit to the hydraulic motor both for closing the door curtain and for opening the door curtain.
  • a first connection of the hydraulic motor which acts as a hydraulic fluid outlet in this operating position, is connected to the pressure accumulator for closing the door curtain.
  • pressurized fluid hydraulic fluid
  • the hydraulic motor which in this case may act as a pump
  • a pressure accumulator and a pressure fluid supply line of the hydraulic unit are connected to a second connection of the hydraulic motor that acts as a hydraulic fluid inlet in this operating position and are connected in parallel to one another.
  • the hydraulic drive has a linear actuator, in particular a hydraulic linear actuator, for the purpose of protecting the door curtain from falling, which can interact with the door curtain in a locking manner.
  • the hydraulic motor is designed as a brake motor with a mechanical brake for the purpose of protecting the door curtain from falling.
  • a mechanical braking device is available in addition to hydraulic measures.
  • a pipe rupture valve is provided in a connecting line between the pressure accumulator and the hydraulic motor for the purpose of protecting the door curtain from falling.
  • hydraulic fluid can be prevented from escaping in the event of an unintentional leakage or an unintentional pressure drop in a supply line or discharge line of the hydraulic motor.
  • the pressure accumulator can be connected solely to a corresponding supply line of the hydraulic motor, the hydraulic unit not making any contribution to the drive of the hydraulic motor.
  • the hydraulic unit is hydraulically coupled to several hydraulic motors of different door curtains.
  • the hydraulic unit with further drive devices, for. B. coupled linear actuators of other hydraulic systems.
  • the pressure accumulator is connected to at least the plurality of hydraulic motors of the hydraulic door drives in the form of a parallel connection.
  • a central pressure energy store can be implemented, which can optionally be fed to different door drives via suitable valve devices.
  • the hydraulic unit is designed as a linear pump that can be acted upon by a weight, the application of weight being formed by loading an actuating ramp.
  • the hydraulic door drive is arranged within a winding shaft of the door curtain.
  • the hydraulic door drive in lifting door constructions that do not have a winding core, in which the door curtain is guided, for example, in spiral guides, can also be arranged within the door curtain spiral to be wound up and thus bring about the same advantages.
  • the lifting door is designed as a roller door with a roll-up door curtain or as a sectional door with door curtain sections that can be articulated to one another.
  • a lifting gate having the hydraulic drive according to the invention.
  • Such a lifting door can expediently be designed as a roller door or as a sectional door.
  • the object is achieved according to the invention by a method for operating a hydraulic door drive, in particular using a hydraulic door drive according to the invention for driving a particularly vertically opening lifting door with at least one hydraulic motor which is set up and designed to drive a door curtain or at least to be driven by the door curtain and with at least one hydraulic unit for supplying the hydraulic door drive with pressurized hydraulic fluid.
  • the method is characterized by the provision of a pressure accumulator, whereby a) potential energy released by the door curtain when it is closed is stored in the form of pressure energy in the pressure accumulator and / or b) the pressure accumulator with the at least one hydraulic unit is charged with pressure energy, c) stored pressure energy is delivered in the pressure accumulator to the hydraulic motor at least to open the door curtain.
  • hydraulic fluid under pressure is passed from the hydraulic unit to the hydraulic motor both to close the door curtain and to open the door curtain.
  • a first connection of the hydraulic motor which acts as a hydraulic fluid outlet, to the pressure accumulator.
  • the pressure accumulator to the hydraulic motor for the purpose of outputting pressure energy, the pressure accumulator and the hydraulic unit being connected in parallel.
  • the pressure accumulator is connected solely to a corresponding supply line of the hydraulic motor, the hydraulic unit not making any contribution to the drive of the hydraulic motor.
  • the switching valves required to produce such a switching state of the system can optionally be brought into the corresponding switching states by means of an emergency power supply of relatively low capacity, or they can be set up manually in a suitable manner.
  • a hydraulic cylinder of the hydraulic unit loaded by a weight is supplied with drive energy by loading an access ramp.
  • FIG. 1 a highly schematic perspective view of a lifting gate according to the invention having a hydraulic door drive according to the invention.
  • FIG. 2 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a first embodiment in an "close door” operating position
  • FIG. 3 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a first embodiment in an "open door” operating position
  • FIG. 4 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a first embodiment in an "release pressure" operating position;
  • FIG. 5 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a second embodiment in an "hold door” operating position, a brake motor being provided as the hydraulic motor;
  • FIG. 6 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a third embodiment in an operating position "hold door", a locking device of the door leaf with a linear actuator / hydraulic cylinder being provided as fall protection;
  • FIG. 7 schematically, a hydraulic circuit diagram of the hydraulic door drive according to the invention in a fourth embodiment in an operating position "hold door", a pipe rupture valve being provided as a fall protection for the door curtain;
  • FIG. 8 a hydraulic circuit diagram of a fifth embodiment of the hydraulic door drive according to the invention additionally having an emergency opening / closing device;
  • FIG. 9 a multiple arrangement of hydraulic door drives according to the invention.
  • FIG. 1 shows, in a highly schematic manner, a perspective view of a lifting gate 1 which can be used for the invention.
  • the lifting gate 1 has a gate curtain 2 which can be rolled up and which is guided in vertical guide rails 4.
  • a hydraulic motor 6 is provided as a door drive 5, which, if necessary, interacts with the door curtain 2 via a gear 6a and can wind it up and down within the winding box 3.
  • the exemplary lifting gate 1 is designed without winding cores and has guide spirals 7, in which the gate curtain 2 can be wound up along the edge.
  • B. a control unit 8 is provided in the area of at least one of the vertical guide rails 4 z.
  • the hydraulic motor 6 and optionally a gear 6a are components of the door drive 5 according to the invention, which will be described below with reference to the other figures.
  • a first embodiment of the hydraulic door drive 5 according to the invention will now be described in different operating positions with reference to FIGS.
  • a hydraulic circuit structure of the first embodiment is the same with regard to the presence and the interconnection of hydraulic elements, so that this is described in connection with FIG. 2, and with regard to FIGS. 3 and 4 only the different operating positions are discussed in more detail.
  • the door drive 5 has a hydraulic unit 10, which is shown throughout in FIGS. 2 to 9 as a dashed line around individual hydraulic elements.
  • the hydraulic unit 10 has a hydraulic pump 11 which can receive hydraulic fluid 13 from a hydraulic fluid reservoir (reservoir / T ank) 12.
  • the hydraulic pump 11 is driven in a known manner by a motor, in particular controllably with regard to torque and / or the speed, for example by means of an electric motor.
  • the hydraulic pump 11 is connected to a first 4/3 way valve 15 via a first check valve 14.
  • a line branches off between the first check valve 14 and the first 4/3 way valve 15 and leads back into the reservoir / tank 12 via a first pressure relief valve 16.
  • the hydraulic pump 11, the first check valve 14, the first 4/3 way valve 15 and the first Pressure limiting valve 16 together with the corresponding connecting lines and connections to the tank (s) 12, the hydraulic unit 10.
  • the hydraulic motor 6 - as explained above - is arranged, for example, in the winding box 3 of the lifting door 1 (see FIG. 1).
  • the hydraulic motor 6 has a first connection 17 and a second connection 18.
  • the first connection 17 of the hydraulic motor 6 is connected to a connection 18a of the hydraulic unit 10 that acts as a hydraulic fluid outlet (pressure line).
  • the second connection 18 of the hydraulic motor 6, which acts as a hydraulic fluid outlet, is connected via a second check valve 19 to a connection 17a of the hydraulic unit 10 which acts as a hydraulic fluid inlet.
  • a branch line 20 branches off between the hydraulic motor 6 and the second check valve 19, which is connected to a pressure accumulator 22 via a first 2/2-way valve 21, which acts as a check valve in the switching position described in FIG.
  • the pressure accumulator 22 can be a gas pressure accumulator in which a gas cushion 22a is provided, which can be compressed by means of hydraulic fluid 13, in particular by means of pressure fluid 13a, that is, pressurized hydraulic fluid that reaches the pressure accumulator 22. By compressing the gas cushion 22a, pressure energy can be stored, which - as will be described further below - is available for actuating the door drive 5 according to the invention.
  • the second 2/2-way valve is connected on the output side to a second pressure limiting valve 25, which in turn opens on the output side into one of the tanks 12, which can also be designed as a common tank / common reservoir.
  • a third branch line 26 branches off between the reservoir / tank 12 and the second pressure relief valve 25, which is connected to the first 4/3 way valve 15 and, in the switching position of the first 4/3 way valve 15 according to FIG. 2, to the second check valve 19 is connected.
  • pressure fluid 13a flows from the hydraulic pump 11 via the first check valve 14, the first 4/3 way valve 15 to the first connection 17 of the hydraulic motor 6, which acts as a hydraulic fluid inlet .
  • "Close gate" powered.
  • Pressure fluid 13 which leaves the hydraulic motor 6 at the second outlet 18 acting as a hydraulic fluid outlet, reaches the pressure accumulator 22 via the first branch line 20 and the first 2/2-way valve 21 Hydraulic unit 10 is prevented.
  • Drive direction 30 is the "close gate” drive direction, so that, as described above, when closing, e.g. lowering the gate, supported by the force of gravity of the gate curtain 2, the pressure accumulator 22 with hydraulic fluid 13; 13a is filled, and thus at least the potential energy of the door curtain 2, possibly supplemented by hydraulic energy of the hydraulic pump 11, is stored.
  • the corresponding, aforementioned amounts of energy are of course reduced in each case by the corresponding loss amounts, e.g. B. friction and / or flow resistance.
  • the door curtain 2 when the door curtain 2 is closed, e.g. when it is lowered, pressure energy is built up in the pressure accumulator 22.
  • the second branch line 23 has no function in this position, since the second 2/2-way valve 24 is in a blocking division. Accordingly, no pressure fluid reaches the second pressure limiting valve 25 either, so that in this operating position there is no backflow into the tank / into the reservoir 12 or into the third branch line 26.
  • the second 2/2-way valve 24 is switched to "passage" in its second switching position, which is not active in FIG. 2, and is used to release pressure from the pressure accumulator 22 if necessary.
  • the corresponding pressure fluid 13a can then be discharged from the pressure accumulator 22 via the second branch line 23, the second 2/2-way valve 24 and the second pressure limiting valve 25 into the tank / reservoir 12.
  • the pressure accumulator 22 is present, which can be charged at least with hydraulic fluid 13 / pressure fluid 13a resulting from a downward movement of the door curtain 2.
  • Hydraulic fluid flow can be built up in parallel by means of the hydraulic unit 10, in particular the hydraulic pump 11, further pressure in the gas cushion 22a of the pressure accumulator 22.
  • a further 2/2-way valve 120 which is shown in dashed lines in FIG. 2, is present between the second connection 18 and the second check valve 19.
  • the further 2/2-way valve 120 is in a through position as shown in FIG. B. exclusively from the hydraulic unit 10, the further 2/2-way valve 120 can be brought into the other switching position shown in relation to Figure 2, in which there is a hydraulic fluid flow (working fluid flow) from connection 18 to check valve 19 or to the first 2 / 2- Directional valve 21 prevents.
  • the first 4/3 way valve 15 is also in a switching position as shown in Figure 3, so that the hydraulic pump 11 via the first 4/3 way valve 15, the second check valve 19, via the branch line 20 and the first 2/2-way valve 21 is connected to the pressure accumulator 22.
  • FIG. 3 shows the first embodiment of the hydraulic door drive according to the invention according to FIG. 2 in an "open door" operating position.
  • the reference numerals as they were introduced in FIG. 1 continue to be used, since there is no difference with regard to the hydraulic elements. Only the operating positions of these are different and are described.
  • the hydraulic pump 11 is connected to the second check valve 19 via the first check valve 14 with the connection 17a, which in this operating position acts as a hydraulic fluid outlet.
  • the hydraulic fluid 13 or the pressure fluid 13a passes from the second check valve 19 to the second connection 18 of the hydraulic motor 6, which in this operating position acts as a hydraulic fluid inlet.
  • the first 2/2-way valve 21 is switched to "through” in this operating position, so that pressurized fluid 13a also reaches the hydraulic motor 6 from the pressure accumulator 22 via the branch line 20.
  • the hydraulic motor 6 is therefore for the purpose of opening the gate both from the hydraulic pump 11 and from the pressure accumulator 22 with pressure fluid 13; 13a supplied.
  • the second pressure limiting valve 25 also has no function here.
  • the first connection 17 of the hydraulic motor 6, which acts as a hydraulic fluid outlet in this operating position, is connected to the connection 18a, which functions as a hydraulic fluid inlet of the hydraulic unit 10 in this operating position, and is connected to the third branch line 26 via the first 4/3 way valve 15 which leads into the tank / reservoir 12.
  • FIG. 4 shows a maintenance position of the first embodiment of the door drive according to the invention, in which z. B. can be released from the pressure accumulator 22 for maintenance purposes.
  • the first 2/2-way valve 21 is in the switching position in which the check valve 14 of the first 2 / 2- Directional valve 21 is active and prevents a flow of pressure fluid 13a from the pressure accumulator 22 into the branch line 20.
  • the second 2/2-way valve 24 is in a "passage" switch position, so that pressurized fluid 13a can pass from the pressure accumulator 22 via the second 2/2-way valve 24 and the second pressure relief valve 25 into the tank / reservoir 12.
  • the other components of the hydraulic door drive according to the invention have no function here.
  • FIG. 5 shows a second embodiment of the door drive 5 according to the invention in a modified form compared to the first embodiment, which was described with reference to FIGS. Except for the type of hydraulic motor 6, which in the present example is designed as a brake motor with an additional mechanical brake 40, the rest of the structure of the hydraulic door drive 5 is identical to the first embodiment according to FIGS. 2 to 4.
  • the embodiment according to FIG. 5 is shown in an operating position which "holds the door curtain".
  • the first 4/3 way valve 15 is brought into a switching position in which the connection 17a and the connection 18a of the hydraulic unit 10 are blocked.
  • the first 2/2-way valve 21 is in a switching position corresponding to FIG. 2, so that pressurized fluid 13a can only flow into the pressure accumulator 22, but not from the pressure accumulator 22 to the hydraulic motor 6.
  • a hydraulic fluid flow through the hydraulic motor 6 is thus blocked.
  • the hydraulic motor 6 stands still and keeps the door curtain 2 at rest.
  • the mechanical brake 40 e.g. B. a friction brake can be activated, which ensures a mechanical retention of the drive and thus helps to reduce high pressure loads in the hydraulic circuit if necessary.
  • a third embodiment of the door drive 5 according to the invention according to FIG. 6 serves the same purpose.
  • the hydraulic door drive 5 corresponds to the embodiment according to FIGS. 2 to 4 except for the following deviations.
  • the hydraulic door drive 5 according to the third embodiment (FIG. 6) is located likewise with regard to the operating state in the "hold gate curtain" position, with the first 4/3-way valve 15 preventing a flow of pressurized fluid 13a through the hydraulic motor 6.
  • the first linear actuator 50 is designed as a hydraulic cylinder and has a piston 52 pretensioned by means of a spring 51.
  • the piston 52 is connected to a piston rod 53, which can engage in blocking recesses 54 of the door curtain 2 and thus can bring about a mechanical locking of the door curtain 2 in the up and down direction. If the door curtain 2 is to be driven by means of the hydraulic motor 6, i.e. either opened or closed, pressure fluid 13a enters a pressure chamber 55 of the hydraulic cylinder 50 and causes the piston 52 to move within the hydraulic cylinder 50 such that the spring 51 is pretensioned.
  • a spring stiffness of the spring 51 is expediently selected so that the door curtain 2 has already been unlocked before the hydraulic motor 6 receives sufficient pressure to move the door curtain.
  • a fourth embodiment of the door drive 5 according to the invention which like embodiments 2 and 3 have an additional measure that leads to a
  • the purpose of fixing / blocking the door curtain 2, that is to say has a "hold gate” function is shown in FIG. 7.
  • the fourth embodiment according to FIG. 7 indicates an additional hydraulic safety option for the "hold gate” function.
  • a pipe rupture valve 60 is provided in the line from the second connection 18 of the hydraulic motor 6 to the second check valve 19, which is switched to passage in a rest position and switches to a blocking position in the event of a pressure drop in one of the lines connected to the pipe rupture valve 60.
  • the pipe rupture valve 60 switches in a known manner to an activation position in which, in the present exemplary embodiment, a check valve 19 is used, which prevents hydraulic flow from the hydraulic motor 6 to the pressure accumulator 22 or the second check valve 19 .
  • a check valve 19 is used, which prevents hydraulic flow from the hydraulic motor 6 to the pressure accumulator 22 or the second check valve 19 .
  • FIG. 8 shows a fifth embodiment of the door drive 5 according to the invention, in which, in addition to the devices of the first embodiment according to FIGS. B. makes it suitable for escape and rescue routes and / or has an emergency locking function, which makes it suitable, for example, for fire protection purposes.
  • this embodiment also provides a third 2/2-way valve 70 and a fourth 2/2-way valve 71.
  • the third 2/2-way valve 70 is switched to a blocking pitch and is connected on one side to the second connection 18 of the hydraulic motor 6.
  • the third 2/2-way valve 70 is via a flow reduction device, e.g. B. an orifice 72 or a throttle connected to the tank / reservoir 12.
  • the fourth 2/2-way valve 71 is connected to the first connection 17 of the hydraulic motor 6 and, in a basic position, is switched to the blocking division.
  • the fourth 2/2-way valve 71 is different via the second 2/2-way valve 24 and the second Pressure relief valve 25 is connected to the reservoir / tank 12. In addition, it is connected to the pressure accumulator side of the first 2/2-way valve 21.
  • the fourth 2/2-way valve 71 can switch to throughput.
  • the diaphragm 72 which can also be designed as an adjustable diaphragm and / or as an adjustable throttle, is provided as a throttle element. With this orifice 72, the return flow of the hydraulic fluid 13 can be limited, so that a quick but limited closing, e.g. lowering (with regard to the lowering speed), is possible.
  • pressure fluid 13a can flow out of the pressure accumulator 22 via the first 2/2-way valve 21 (this is in the second Switching position that is currently not active in Figure 8, ie passage) to the second connection 18 of the hydraulic motor 6, which acts as a hydraulic fluid inlet in this switching position, and drive the hydraulic motor 6 in the second drive direction 31, whereby the door curtain 2 is raised. So that pressure fluid 13a can exit the hydraulic motor 6 (via the first connection 17), the first 4/3-way valve 15 is switched in such a way that the first connection 17 communicates with the tank 12 via the branch line 26. This corresponds to the switching position of the 4/3 way valve 15 according to FIG. 2.
  • the size of the pressure accumulator 22 as well as the amount of the pressure fluid 13a stored therein under a certain pressure is coordinated in such a way that the pressure energy stored in the pressure accumulator 22 is sufficient for the hydraulic motor 6 to be driven in such a way that at least one lifting of the door curtain 2 required for an emergency opening is made possible.
  • FIG. 9 shows a multiple arrangement of hydraulic door drives 5 according to the invention, with a plurality of hydraulic motors 6 being present. All three door drives 5 are connected to a pressure accumulator 22, as was explained in more detail in connection with the embodiment in FIG.
  • the hydraulic unit 10 has, connected in parallel to the first 4/3 way valve 15, a second 4/3 way valve 80 and a third 4/3 way valve 81, which in terms of their connections like the first 4/3 way valve 15 to the hydraulic pump 11 the first pressure relief valve 16 are connected.
  • a fourth 4/3 way valve 82 is present in this example, which offers the possibility of supplying a second linear actuator (hydraulic cylinder) 83 with pressure fluid 13a or hydraulic fluid 13.
  • a plurality of door drives 5 and possibly other hydraulic drives can be operated with a single (multi-channel) hydraulic unit 10, the plurality of existing door drives 5 according to the invention - as described above - being coupled to the pressure accumulator 22.
  • FIG. 10 shows a sixth embodiment of the hydraulic door drive according to the invention with an electricity-free driven hydraulic unit.
  • the hydraulic unit 10 is designed as a linear cylinder 100, which represents a linear hydraulic pump 100.
  • the linear hydraulic pump 100 can be driven by means of an access ramp 101.
  • the ramp is for example embedded in the floor of a hall and can be used by means of industrial trucks, for. B. trucks or unmanned transport systems are driven. Due to the weight of such an industrial truck, the ramp 101 is displaced against the spring pressure of a spring 102 in the working space in the linear hydraulic pump, whereby a volume flow of hydraulic fluid is created.
  • the hydraulic motor 6 can be driven with this pressure flow via a fourth 4/3-way valve 103.
  • the fourth 4/3-way valve 103 provides one switching position each for the first drive direction 30 and the second drive direction 31 of the hydraulic motor 6.
  • a The return line from the hydraulic motor 6 leads into the tank 12.
  • a line which connects the first 2/2-way valve 21 to the pressure accumulator 22 branches off from the pressure line, which is connected to the interior of the linear hydraulic pump 100.
  • the second pressure limiting valve 25 is connected, via which pressure fluid can flow back into the tank 12 in the event of an overpressure.
  • a hydraulic door drive 5 designed in this way is preferably operated in such a way that when a floor conveyor vehicle drives onto the ramp 101 or otherwise by applying a weight to the ramp, the volume flow resulting from this in the linear pump 101 is switched to the hydraulic motor 6 in such a way that the latter opens the door opens.
  • hydraulic fluid 13a under pressure can be withdrawn from the pressure accumulator 22 by means of the first 2/2-way valve 21.
  • the fourth 4/3 -way valve 103 is switched in such a way that it differs from the representation in FIG. 1 that the hydraulic motor 6 opens the door. If the door can remain open, the fourth 4/3 way valve 103 is brought into the locking pitch shown in Figure 10, so that the hydraulic motor 6 is hydraulically blocked. With such an open door, floor vehicles driving over the ramp 101 can increase the pressure in the pressure accumulator 22 via the position of the first 2/2-way valve shown in FIG.
  • Operate linear hydraulic pump 100 Such a pressure supply can then be used to open or close the gate.
  • a pressure supply can then be used to open or close the gate.
  • a check valve is useful in this line.
  • the fifth 2/2-way valve in the switching position deviating from Figure 10 can establish such a connection to the tank, the fifth 2/2-way valve 104 expediently having to remain in the switching position that has been changed compared to FIG. 10 for the time that the hydraulic fluid is sucked in.
  • door curtain 2 which can be rolled up, as the door element.
  • the entire inventive idea is, however, also readily applicable to a lifting door 1 which, instead of a door curtain 2, has a door curtain formed from rigid door curtain sections in the sense of a flexible, pliable rollable sheet material.
  • door curtain in the context of the present application is always to be understood as the door curtain of a sectional door made up of rigid segments or rigid door curtain sections.
  • the door leaf can be secured against falling using very simple hydraulic means, which, in contrast to mechanical actuation systems, can achieve a considerable reduction in costs, since over-dimensioned brakes and safety gear can be dispensed with.
  • a complete emergency opening or emergency closing function can be made available that is independent of electrical energy supply, e.g. B. by manually operated valves or by means of emergency power buffers, z. B. emergency batteries operated valves allows a situation-adapted opening or closing of the gate without electrical energy is required for the actual drive.
  • fire protection requirements in particular with regard to the automated provision of escape routes and / or fire bulkheads, can easily be met.
  • a pressure accumulator 22 which is present according to the invention and which stores sufficient amounts of pressure energy, it is possible to react to such an obstacle detection in a very rapid manner and the door can be opened almost suddenly.
  • Hydraulic fluid reservoir (reservoir) Hydraulic fluid

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

L'invention concerne un entraînement hydraulique d'une porte relevable (1), notamment d'ouverture verticale, présentant au moins un moteur hydraulique (6) qui est disposé et conçu pour entraîner un rideau (2) ou pour être au moins co-entraîné par le rideau (2), au moins un ensemble hydraulique (10) destiné à alimenter l'entraînement hydraulique (5) de porte en fluide hydraulique (13; 13a) sous pression ; caractérisé par un accumulateur de pression (22) : a) l'énergie potentielle libérée du rideau (2) lors de la fermeture de ce dernier pouvant être stockée dans l'accumulateur de pression (22) sous forme d'énergie de pression et/ou b) l'accumulateur de pression (22) pouvant être rechargé en énergie de pression par l'au moins un ensemble hydraulique (10), c) l'énergie de pression stockée dans l'accumulateur de pression (22), pouvant être cédée au moteur hydraulique (6) au moins pour l'ouverture et/ou au moins pour la fermeture du rideau (2).
EP20800885.4A 2019-11-12 2020-11-03 Entraînement hydraulique de porte relevable et porte relevable présentant l'entraînement hydraulique ainsi que procédé de fonctionnement de l'entraînement hydraulique de porte Pending EP4058650A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019130425.3A DE102019130425A1 (de) 2019-11-12 2019-11-12 Hydraulischer Torantrieb für ein Hubtor und Hubtor aufweisend den hydraulischen Torantrieb sowie Verfahren zum Betreiben des hydraulischen Torantriebs
PCT/EP2020/080762 WO2021094129A1 (fr) 2019-11-12 2020-11-03 Entraînement hydraulique de porte relevable et porte relevable présentant l'entraînement hydraulique ainsi que procédé de fonctionnement de l'entraînement hydraulique de porte

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Publication Number Publication Date
EP4058650A1 true EP4058650A1 (fr) 2022-09-21

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EP20800885.4A Pending EP4058650A1 (fr) 2019-11-12 2020-11-03 Entraînement hydraulique de porte relevable et porte relevable présentant l'entraînement hydraulique ainsi que procédé de fonctionnement de l'entraînement hydraulique de porte

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US (1) US20220356760A1 (fr)
EP (1) EP4058650A1 (fr)
JP (1) JP7406629B2 (fr)
CN (1) CN114302998B (fr)
AU (1) AU2020385329B2 (fr)
CA (1) CA3146486A1 (fr)
DE (1) DE102019130425A1 (fr)
WO (1) WO2021094129A1 (fr)

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CN115354956B (zh) * 2022-09-21 2024-05-31 深圳市中航深亚智能科技有限公司 仓库用具有急停功能的电动型卷闸门及控制方法

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Publication number Priority date Publication date Assignee Title
JPS5725973Y2 (fr) * 1976-11-08 1982-06-05
US4941320A (en) * 1988-06-17 1990-07-17 Asi Technologies, Inc. Industrial hydraulic door operator
DE4305007A1 (de) * 1993-02-18 1994-08-25 Marianne Zeisler Metallverarbe Segment-Rolltor
IT237536Y1 (it) * 1997-05-30 2000-09-13 Campisa Srl Portone sezionale perfezionato
KR200319600Y1 (ko) * 2003-04-21 2003-07-12 김종철 셔터용 보조 동력장치
JP2005232693A (ja) 2004-02-17 2005-09-02 Kyoei Hatsujo Kogyo Kk 電動式シャッタの落下防止装置
ITVI20050070A1 (it) 2005-03-15 2006-09-16 Giampaolo Nelzi Sistema idraulico di azionamento per portoni tagliafuoco
DE102005030697C5 (de) * 2005-06-29 2016-10-20 Dorma Deutschland Gmbh Verfahren zum Betrieb eines elektrohydraulischen Türantriebes
DE202007001800U1 (de) 2007-01-29 2007-04-05 Schlötzer, Eugen Nichtelektrischer Toröffner
US9151084B2 (en) * 2011-08-15 2015-10-06 Cold Chain, Llc Insulated overhead door
DE202013005164U1 (de) * 2013-06-06 2013-07-30 Seuster Kg Tor
GB201319194D0 (en) 2013-10-30 2013-12-11 Secr Defence A roller door system
DE102014111161A1 (de) * 2014-08-06 2016-02-11 Gisela Weber Hydrauliksystem, insbesondere für einen Fahrzeugaufbau, und Verfahren zum Betreiben des Hydrauliksystems
EP2990573B1 (fr) * 2014-08-28 2017-11-22 Champion Door Oy Mécanisme de treuillage
JP6579571B2 (ja) 2015-04-21 2019-09-25 キャタピラー エス エー アール エル 流体圧回路および作業機械
RU2594418C1 (ru) 2015-06-15 2016-08-20 Общество с ограниченной ответственностью Научно-производственное предприятие "БУРИНТЕХ" (ООО НПП "БУРИНТЕХ") Забойный механизм подачи
CN109458082A (zh) * 2018-12-10 2019-03-12 连云港市华能电力辅机有限公司 一种失电自动快开型立式插板门

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WO2021094129A1 (fr) 2021-05-20
CA3146486A1 (fr) 2021-05-20
AU2020385329A1 (en) 2022-02-24
AU2020385329B2 (en) 2024-02-01
CN114302998B (zh) 2023-10-03
US20220356760A1 (en) 2022-11-10
CN114302998A (zh) 2022-04-08
JP7406629B2 (ja) 2023-12-27
JP2023500190A (ja) 2023-01-05
DE102019130425A1 (de) 2021-05-12

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