EP3695082B1 - Tor - Google Patents

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Publication number
EP3695082B1
EP3695082B1 EP18786686.8A EP18786686A EP3695082B1 EP 3695082 B1 EP3695082 B1 EP 3695082B1 EP 18786686 A EP18786686 A EP 18786686A EP 3695082 B1 EP3695082 B1 EP 3695082B1
Authority
EP
European Patent Office
Prior art keywords
door leaf
door
section
movement
closed position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18786686.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3695082A1 (de
Inventor
Michael Brinkmann
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.)
Hoermann KG Brockhagen
Original Assignee
Hoermann KG Brockhagen
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 Hoermann KG Brockhagen filed Critical Hoermann KG Brockhagen
Publication of EP3695082A1 publication Critical patent/EP3695082A1/de
Application granted granted Critical
Publication of EP3695082B1 publication Critical patent/EP3695082B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1261—Counterbalance devices with springs with canted-coil torsion springs specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • 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
    • 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
    • E05D15/244—Upper part guiding means
    • 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
    • E05D15/22—Suspension arrangements for wings for wings sliding vertically more or less in their own plane allowing an additional movement
    • E05D2015/225—Suspension arrangements for wings for wings sliding vertically more or less in their own plane allowing an additional movement specially adapted for overhead wings
    • 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

Definitions

  • the invention relates to a gate with a door leaf that can be moved along a path predetermined by a guide rail arrangement between a closed position, in which it is arranged approximately in a vertical plane, and an open position, in which it is arranged overhead, preferably approximately in a horizontal plane, the one A plurality of door leaf members arranged one behind the other in the direction of door leaf movement and articulated to one another with respect to joint axes running perpendicular to the predetermined path, the guide rail arrangement having two guide rails arranged in the area of the side edges of the door leaf running parallel to the predetermined path, each of which has a first, approximately parallel to a lateral edge of the door leaf in the closed position, for example in the direction of gravity, a section which runs essentially in a straight line, a second section which runs essentially in a straight line, approximately parallel to a lateral edge of the door leaf in the open position, and an arcuate section which connects the straight sections to one another, and a drive device coupled to the door leaf with an electric motor,
  • Such gates are used to close building openings with a height of 3.50 m or more, such as those found in industrial halls, warehouses, aircraft hangars or the like where appropriate clearance heights are required.
  • Such gates are also used in the form of simple garage doors for garages with a clearance height of around 2 m to 3 m.
  • the individual, articulated door leaf links run through during an opening or closing movement, an arcuate guide rail section in which they are deflected between a vertical orientation which they assume in the closed position and a generally horizontal orientation which is assumed in the open position. This enables door leaf movement without having to provide an excessive amount of space for large-area closing elements that swing out.
  • an electric motor drive device is usually used, the driving force of which is supported by a weight compensation device during the opening movement. In most cases this is implemented in the form of a spring arrangement. Both tension spring arrangements and torsion spring arrangements are used.
  • the spring arrangements are usually coupled via a traction device in the form of a wire rope and/or a roller chain to the lower edge of the door leaf in the closed position.
  • the traction means is wound onto a cable drum while simultaneously relaxing the spring arrangement of the weight compensation arrangement.
  • the spring arrangement is tensioned by the weight. The potential energy released is stored in the spring arrangement.
  • the torsion spring shaft can be arranged approximately parallel to the joint axes above the arcuate section of the predetermined path and the axis of the winding drum can run coaxially to the torsion spring shaft. If there is only little installation space available above the space to be closed with the door leaf, the torsion spring can also be arranged behind the end of the second rectilinear section facing away from the arcuate section. In this case, the traction means is deflected via a deflection element arranged above the arcuate section of the guide rails, such as a deflection roller or a deflection pinion.
  • the traction means then runs in the closed position of the door leaf between the lower edge of the door leaf and the deflection device approximately in the direction of gravity, while it can run approximately horizontally between the deflection device and the torsion spring or the winding drum running coaxially therewith.
  • an electric motor drive device is used, which can be coupled to the winding drum (if the winding drum is arranged above the arcuate section) or to the deflection device (if the winding drum is arranged behind the second guide rail section).
  • a reduction gear that reduces the speed of the motor shaft and at the same time increases the available torque.
  • Worm gears are usually used for this purpose.
  • Such worm gears have the further advantage that they have a self-braking effect. Therefore, with such gates it is generally not necessary to use additional safety measures to protect against defects in the weight compensation device. If the weight compensation device is damaged, for example by breaking the spring elements, this leads to reduced support of the opening movement by the electric motor drive arrangement and thus also to increased power consumption of the electric motor. This is recognized by the engine control. This can then cause the engine to switch off automatically.
  • a gate in which the radius of curvature on an inner guide surface of an arcuate section of a guide rail arrangement is 400 mm or more and in the area of the edge of the gate member which leads during an opening movement, cooperating supplementary rails are provided which are attached above a second rectilinear section having a third rectilinear section running approximately parallel thereto.
  • the invention is based on the object of providing an electric motor-driven sectional door with which long-term operation can be ensured without impairing thermal properties.
  • this object is achieved by a development of the known gates, which is essentially characterized in that the polygon ratio of the radius of curvature of the arcuate section on an inner guide surface thereof to the height of at least one gate member, in particular to the Height of all gate members, along a direction perpendicular to the joint axes and approximately parallel to the predetermined path, is o.6 or more, and o.8 or less, preferably 0.65 or more, particularly preferably about 0.665 or more, in particular about o .68, and the electric motor has a frequency-controlled motor.
  • the height of the gate section refers to the height of the surface of an individual gate section that is visible in the closed position when assembled.
  • the height of a projection in the area of the upper edge of the door section in the closed position in a recess on the lower edge of the panel arranged above is not taken into account when determining the door section height.
  • the gate member height can then also be determined in such a way that the height is measured between the upper apex of the recess receiving the receptacle at the lower edge of the gate section to the upper apex of the projection. Accordingly, the gate member height denotes the vertical distance between the joint axes assigned to this gate member in the closed position for a gate member arranged between two gate members in the closed position.
  • This invention is based on the finding that the observed increased wear of the gear arrangement of drive devices for sectional doors in many In some cases this can be attributed to the fact that the breakage of individual springs of the weight compensation device is not detected.
  • An unrecognized spring break does not result in an immediate gate crash, not least in view of the properties of the usually self-braking worm gear with a pitch angle of 2.5° or less, but rather in high wear and tear on the gear if the gates continue to operate without detecting the break of individual spring elements become.
  • the goals are then no longer optimally weight balanced. This can cause the worm gearing to wear, become thinner, and possibly break during operation and/or become unable to accommodate the next spring break.
  • the motor control must be designed in such a way that it tolerates the forces and force changes that occur during regular door operation, or fluctuations in the power consumption of the electric motor that occur during regular door operation.
  • the forces that occur during regular operation and the forces that determine the power consumption of the electric motor are determined, among other things, by the so-called polygon acceleration.
  • the individual door leaf members pass through the arcuate section of the guide rail and experience an acceleration caused by the so-called polygon effect. This acceleration influences the power consumption of the electric motor.
  • the fluctuations in power consumption caused in this way must not influence the gate drive.
  • the tolerances in the engine control must be designed to be correspondingly large.
  • the acceleration forces caused by the polygon effect depend on the one hand on the radius of curvature of the inner guide surface of the arcuate section of the guide rail and on the other hand on the height of the door members in the direction of the side edges.
  • the thermal properties can also be improved by increasing the door running speed of sectional doors. Reducing the polygon accelerations for a given door travel speed also enables the door travel speed to be increased without an excessive increase in the polygon accelerations and the forces caused by them. This can also reduce the heat losses that occur in the area of the doors.
  • This aspect of the invention is based on the knowledge that the in many cases only moderate thermal properties in the area of sectional doors are not primarily due to deficiencies in the thermal insulation of the doors, but rather to the fact that the polygon accelerations limit the door running speeds, so that for that It takes so much time to open and close the gates that excessive heat loss occurs.
  • the polygon ratio according to the invention the door leaf movement can be accelerated while maintaining the same accuracy of the motor control. This allows the thermal properties of gates according to the invention to be improved.
  • this deficiency is countered by using a gear arrangement which has a self-locking or self-braking and reducing gear coupled to the electric motor Worm gear, in particular with a pitch angle of approximately 2.5 ° or less, which is followed by a translating gear coupled to the output shaft of the worm gear, such as a chain gear.
  • the transmission ratio i.e. the ratio in which the output speed of the worm gear is increased by the chain gear to maintain a high speed in the area of the cable drum or the deflection device, can be 1:1.5 or more, in particular 1:2 or more preferably have 1:3.5 or more.
  • a step-down gear is initially arranged between the electric motor and the cable drum or the deflection device of the weight compensation arrangement, and then a step-up gear is provided.
  • the reducing worm gear With the reducing worm gear, the motor speed is reduced and the torque is increased at the same time.
  • the reducing worm gear has self-locking or self-braking properties, which make it possible to dispense with separate braking or safety devices in the event of damage to the weight compensation device.
  • the reducing worm gear is followed by a translating gear, which in turn increases the output speed of the worm gear in order to achieve a faster door running speed.
  • the observed defects in the area of the worm gear can also be attributed to the fact that an increased engine speed to achieve faster gate travel leads to an increased sliding speed in the center circle of the worm and worm wheel, which, depending on the material pairing, leads to wear can result because the lubricant film can break.
  • the speed at which the lubricant film breaks off obviously depends on the temperature, the oil used, the center distance between the worm wheel and the worm and overall the gear ratio.
  • these defects can be eliminated if the worm gear is followed by a translating gear, such as a chain gear, which does not have comparable wear properties, in order to achieve the desired speed in the area of the weight compensation device or the cable drum and thus also the desired opening and closing speed to reach.
  • This invention also enables the use of the same drive units, consisting of an electric motor and worm gear, for driving large and heavy gates at high speed as well as small and light gates at also high speed.
  • appropriately large cable drums can be used to increase the speed because there is usually enough installation space available for large gates.
  • Known two-stage gear arrangements with a reducing worm gear and possibly a likewise reducing chain gear can be used, such as in WO 2012/089358 A1 described.
  • the same drive unit can also be used in conjunction with small and light gates, where there is usually little installation space available and therefore only small cable drums are used.
  • the desired opening and closing speed can be achieved using an appropriately geared gear or chain gear.
  • a speed at the output of the gear arrangement of only 80 revolutions/minute is sufficient and can also be achieved without excessive wear of the worm gear
  • a speed of 160 revolutions/minute can be achieved using a translating chain gear with a transmission ratio of 1:2 or more. Minute and a correspondingly high door leaf speed can be achieved.
  • gear arrangements with a reducing worm gear and a downstream chain gear are, for example, in the WO 2012/089358 A1 described.
  • Only reducing chain gears are used in this document, whereby the reduction ratio of the chain gear can be adjusted depending on the door leaf.
  • the drive gear ratio is selected depending on the respective gate gear, i.e. the size of the cable drum, so that the path of the door leaf is essentially constant at least in the area of the closing end position per revolution of the electric motor for different gate gears.
  • the influence of the door speed on the thermal properties is also not addressed in this document such as optimizing the thermal properties while ensuring satisfactory wear resistance of the drive unit by using a translating gearbox connected to the self-braking worm gearbox.
  • a polygon ratio of 0.6 or more and 0.8 or less preferably 0.65 or more , particularly preferably about 0.665 or more, in particular 0.68.
  • the individual gate sections should also have a height of 400 mm or more, especially for particularly high gates with a height of 3.50 m or more, in order to keep the number of gate sections required within tolerable limits proven to be useful in the context of the invention if the polygon ratio for at least one gate section is 0.8 or less, preferably 0.75 or less, particularly preferably 0.7 or less.
  • the inner radius of the arched section can still be kept within tolerable limits, which enables adaptation to the usual installation conditions without the arch protruding too far into the gate opening.
  • the weight compensation device has at least one spring arrangement coupled via a traction means to the lowest gate member in the closed position, the traction means being able to be wound onto a winding drum which is preferably arranged above the arcuate section of the guide rail arrangement is.
  • the drive device can be coupled to the winding drum or a deflection device for the traction means, such as a chain sprocket.
  • a deflection device for the traction means such as a chain sprocket.
  • the drive device in the sense of optimizing the polygon ratio while simultaneously using door leaf members with a minimum height required to reduce the required number of door leaf members, preferably arcuate sections with a radius of curvature on an inner boundary surface thereof (inner radius) of 400 mm or more, preferably 420 mm or more, particularly preferably 450 mm or more, in particular 600 mm or more.
  • the inner radius is 800 mm or less, especially 760 mm or less.
  • the height of at least one door leaf member can be 550 to 950 mm, in particular 600 to 900 mm, particularly preferably 700 to 800 mm.
  • the electric motor and the gear arrangement if necessary, cooperate with the cable drum and the deflection pinion is designed to generate an opening or closing speed of 0.6 m/sec or more, in particular 1 m/sec or more.
  • a light grid arrangement can also be provided to secure gates according to the invention, with which a space traversed by the door leaf edge leading during the closing movement can be monitored and objects and/or people entering this space can be detected.
  • the door leaf movement can be slowed down or stopped.
  • translating chain gears are used. In combination with the reducing worm gear, this can not only lead to an increased door running speed, but also to increased acceleration of the door leaf. However, increased acceleration forces lead to increased wear.
  • the motor control can be operated according to a predetermined acceleration profile for starting and braking the door leaf from a rest position or from an operating position in which the door leaf is moved at maximum speed.
  • This controlled acceleration and braking is also referred to as “S-grinding”.
  • S-grinding Through suitable motor control, excessive wear in the area of the gearbox and the gate can be avoided.
  • a frequency-controlled electric motor that allows complex motor control can be used.
  • the inner radius of the arcuate guide rail section is particularly large. If there is only little space available above the room opening to be closed with the door leaf, this can result in the upper edge of the upper door leaf in the closed position having not yet left the arcuate guide rail section when the closed position is reached and the gate is not completely closed.
  • the invention is intended to equip the gate with supplementary rails that cooperate in the area of the leading guide means attached to the door leaf member during an opening movement, which have a straight line above the second Section have a third rectilinear section running approximately parallel to it, which possibly merges in its front end region facing the wall opening into a downwardly sloping end section, which can have a radius of curvature of 700 mm or more.
  • this front end section of the additional rail ends at a distance from a plane which contains the inner boundary surface of the door leaf in the closed position.
  • complete spatial closure can be ensured if the leading guide means in the area of the door leaf member leading during the opening movement have a guide means accommodated in the additional rail, such as a guide roller which is rotatably mounted with respect to an axis of rotation running approximately parallel to the joint axes, which has a is pivotally attached to the holder attached to the leading gate member during the opening movement with respect to a pivot axis running parallel to the joint axes.
  • any remaining distance between the plane running on the inner boundary surface of the door leaf and the front end of the additional rail or the sloping end section of the additional rail is bridged by pivoting the holder and thus also the leading guide means.
  • the increase in the polygon ratio provided according to the invention can, in installation conditions that only allow a short length of the second straight-line section, also lead to the edge trailing during the opening movement still being guided in the arcuate guide rail section when the opening position is reached and possibly in the with the The opening into the door leaf to be closed protrudes. This reduces the available clearance height of the wall opening.
  • this deficiency can be addressed in that an edge of the lowest gate member in the closed position, which is lower in the closed position and trails during the opening movement, is moved in a lifting direction with respect to one in the closed position, at least when the open position is reached, by a pivoting movement of the gate member having this lowest edge Closed position gate member arranged above and can be particularly raised with respect to the predetermined path.
  • Fig. 1 the acceleration values at the upper edge of the top door leaf section are plotted in the course of the opening movement depending on the timing of the opening movement, as caused by the polygon effect if the radius of curvature of the inner guide surface is 361.5 mm and the height of the individual door leaf sections is in the The direction parallel to the side edges is 750 mm, with the opening speed set so that it is in the Means about 300 mm/sec.
  • a radius of curvature of 361.5 mm for which the accelerations are in Fig. 1 are applied, acceleration jumps of more than 800 mm/sec 2 result, as in Fig. 1 is recognizable. If the radius of curvature is increased to a value of 510 mm, the in Fig.
  • this advantage can be used without requiring more space for the guide rail arrangement by providing additional rails for the rollers attached to the top door leaf member, which advantageously end at a distance from the inner boundary surface of the door leaf in the closed position.
  • Fig. 3 shows a comparison between the accelerations that occur with conventional gates and the accelerations that occur with gates according to the invention, which particularly illustrates the advantages that can be achieved with gates according to the invention.
  • the accelerations are shown at the same average opening speed of around 300 mm/sec.
  • the advantages achieved according to the invention can also be used to increase the opening speed. Such an increase leads to an increase in the acceleration jumps even in gates according to the invention.
  • the opening speed can be more than tripled compared to conventional gates until the accelerations that occur with conventional gates at the usual speeds are reached. This allows the thermal properties to be improved during operation of gates according to the invention.
  • the arcuate section can be achieved if the ratio of the inner radius (radius of curvature of the inner guide surface) to the height of the door leaf members is in the range between 0.6 and 0.8, preferably in the range of 0.65 and 0.75, particularly preferably in the range between 0.66 and 0.7 is chosen, with a ratio of 0.68 proving to be particularly useful.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP18786686.8A 2017-10-10 2018-09-28 Tor Active EP3695082B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017123498.5A DE102017123498A1 (de) 2017-10-10 2017-10-10 Tor
PCT/EP2018/076410 WO2019072589A1 (de) 2017-10-10 2018-09-28 Tor

Publications (2)

Publication Number Publication Date
EP3695082A1 EP3695082A1 (de) 2020-08-19
EP3695082B1 true EP3695082B1 (de) 2023-11-22

Family

ID=62716936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18786686.8A Active EP3695082B1 (de) 2017-10-10 2018-09-28 Tor

Country Status (5)

Country Link
EP (1) EP3695082B1 (ru)
DE (2) DE102017123498A1 (ru)
PL (1) PL3695082T3 (ru)
RU (1) RU2744129C1 (ru)
WO (1) WO2019072589A1 (ru)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685567A (en) * 1969-09-18 1972-08-22 Paul E Pemberton Sectional fire door assembly
ATE108859T1 (de) 1988-11-25 1994-08-15 Hoermann Kg Torblatt.
DE10325236A1 (de) * 2003-06-04 2004-12-23 Niewöhner, Bruno Sektional-Tor mit abschnittsweisem kraftschlüssigem Antrieb im Sturzbereich
DE102004047792A1 (de) * 2004-09-29 2006-04-06 Niewöhner Industrie GmbH + Co.KG Sektionaltor
DE102008007592A1 (de) * 2008-02-06 2009-08-13 Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg Hubtoranordnung sowie Torsturz-Abdichteinrichtung hierfür
DE202009000929U1 (de) * 2009-01-24 2009-03-26 Sommer Antriebs- Und Funktechnik Gmbh Antriebssystem für ein Tor
DE102011002735B3 (de) 2010-12-30 2012-04-19 Hörmann KG Antriebstechnik Herstell- und Betriebsverfahren zum Herstellen und Betrieb eines automatisch angetriebenen Tores sowie Torsystem
DE102015112633B4 (de) * 2015-07-31 2017-04-13 EFAFLEX INŽENIRING d.o.o. Ljubljana Rolltoranordnung ohne Polygoneffekt
DE102016014202B4 (de) * 2016-11-17 2024-03-07 Hörmann KG Brockhagen Tor

Also Published As

Publication number Publication date
RU2744129C1 (ru) 2021-03-02
WO2019072589A1 (de) 2019-04-18
PL3695082T3 (pl) 2024-05-20
EP3695082A1 (de) 2020-08-19
DE202018103141U1 (de) 2018-06-12
DE102017123498A1 (de) 2019-04-11

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