EP0949398B1 - Vertical lift gate for closing a door opening of a cold room - Google Patents

Vertical lift gate for closing a door opening of a cold room Download PDF

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Publication number
EP0949398B1
EP0949398B1 EP98117345A EP98117345A EP0949398B1 EP 0949398 B1 EP0949398 B1 EP 0949398B1 EP 98117345 A EP98117345 A EP 98117345A EP 98117345 A EP98117345 A EP 98117345A EP 0949398 B1 EP0949398 B1 EP 0949398B1
Authority
EP
European Patent Office
Prior art keywords
winding
door leaf
door
belts
vertical lift
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.)
Expired - Lifetime
Application number
EP98117345A
Other languages
German (de)
French (fr)
Other versions
EP0949398A3 (en
EP0949398A2 (en
Inventor
Seuster GmbH & Co. KG Adolf
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Seuster KG
Original Assignee
Adolf Seuster GmbH and Co KG
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Filing date
Publication date
Application filed by Adolf Seuster GmbH and Co KG filed Critical Adolf Seuster GmbH and Co KG
Publication of EP0949398A2 publication Critical patent/EP0949398A2/en
Publication of EP0949398A3 publication Critical patent/EP0949398A3/en
Application granted granted Critical
Publication of EP0949398B1 publication Critical patent/EP0949398B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/16Suspension arrangements for wings for wings sliding vertically more or less in their own plane
    • E05D15/20Suspension arrangements for wings for wings sliding vertically more or less in their own plane movable out of one plane into a second parallel plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/021Sliding doors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/08Parts formed wholly or mainly of plastics materials
    • F25D23/082Strips
    • F25D23/087Sealing strips
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10Counterbalance devices
    • E05D13/12Counterbalance devices with springs
    • E05D13/1207Counterbalance devices with springs with tension springs
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10Counterbalance devices
    • E05D13/14Counterbalance devices with weights
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/658Members cooperating with flexible elongated pulling elements
    • E05Y2201/668Pulleys; Wheels
    • E05Y2201/67Pulleys; Wheels in tackles
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/102Application of doors, windows, wings or fittings thereof for buildings or parts thereof for cold-rooms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/30Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/40Application of doors, windows, wings or fittings thereof for gates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D13/00Stationary devices, e.g. cold-rooms

Definitions

  • Lift gates for closing door openings have a door leaf, Guide rails arranged to the side of the door opening for the door leaf with side rollers, and above the guide rails a drivable, with winding drums for traction devices for lifting and lowering the door leaf provided shaft.
  • a lifting gate is known from FR 2 247 182 A.
  • the invention is based on such a lifting gate with the Task to make the lifting gate suitable for the conclusion a gate opening of a deep-freeze storage room.
  • This The task is solved by training the lifting gate with the combination of features listed in claim 1.
  • the door leaf can be used when using a panel or of panel parts with vacuum insulation (claim 2) because their extremely high thermal insulation value, with very low Execute thickness (up to 1/15 conventional thickness).
  • the usage of belts as a traction device (claim 3) per se a higher winding speed compared to other traction devices to.
  • there is winding the belts lifting the door leaf and the accompanying Unwind the counter torque on the winding shaft introductory straps a change in gear ratio with a high initial moment, which together with the engine torque a high initial acceleration and so that the quick opening of the lifting gate results.
  • the counter moment can be exerted by the belts counterweights carried (claim 4) or the straps tensile Springs (claim 5), wherein the use of Counterweights especially for large and accordingly recommends heavy door leaves, whereas the use of Cushion the high initial acceleration due to their high Tension is further promoted when the door leaf is low.
  • Lift gate consists of a door leaf 1, which on its side edges with an upper roller 2 and a lower roller 3 is provided.
  • the top casters 2 is a guide rail 4r on the right-hand side and on the left-hand side a guide rail 4l and the lower rollers 3 is a guide rail 5r on the right side and on the left side assigned a guide rail 5l. They are attached Guide rails 4r, 5r and 4l, 5l each on one out of one Square tube formed. partially open post 6r or 6l.
  • a shaft 7 which is on the left in a upper end of the post 6l fixed gear housing 8th to the right of one attached to the top of the post 6r Bearing 9 is rotatably supported. Is driven the shaft 7 from a motor 10. On the shaft 7 are non-rotatable two belt drums 11 and two belt drums 12 are arranged, of which the belt drums 11 for winding with the door leaf 1 connected belts 13 and the belt drums 12 for the opposite winding of counterweights 15 connected straps 14 are provided.
  • a design example for a lifting gate with an opening height of 3.20 m and a minimum opening height of 2.00 m is as follows:
  • the winding shaft 7 is from a tube piece with an outer diameter made of 160 mm with inserted journal, on the circular blank to delimit the winding drums 11, 11a and 12 are welded.
  • the straps 13, 13a and 14 have a thickness of 3 mm. With a basic winding results the base diameter of the winding drums is 166 mm.
  • the door leaf After four revolutions of the winding shaft 7, the door leaf is over 2236 mm raised, i.e. the minimum opening exceeded.
  • 13 is for the straps a diameter of 169 mm and for the straps 14 a Diameter of 199 mm effective, so that the acceleration process the door leaf 1 when opening with a force of 21.6% of the dead weight in addition to the engine torque is initiated.
  • the illustrations in the figures show the lifting gate in the closed position Condition in which the door leaf 1, which at its Lower edge is provided with a sealing bead 18, with this lies sealingly on the hallway 19, and with its side edges and its upper edge sealing to the side and placed above the gate opening 20 on the wall surface Sealing beads 21 and 22 are present.
  • the guide rails 4r, 4l, 5r and 5l at their lower End sections provided with kinks 23 over which the Door leaf 1 from the rollers 2 and 3 at the end of its lowering movement towards the sealing beads 21 and 22 will, until it comes into contact with the sealing beads, whereby at the same time the door leaf 1 with its sealing bead 18 comes to rest on the hallway 19.
  • sealing beads 18, 21 and 22 are provided with heating conductors 32 in their interior, whereby icing of the sealing beads 18. 21 and 22 excluded is.
  • the sealing bead 18 is also as Contact strip 33 with the contact strips 33p and 33n and one Seal lip 34 provided.
  • the one-piece panel forming door leaf 1 is (see Figures 3A and 3B) constructed from two stainless steel cover plates 35, which are welded airtight with a membrane frame 36.
  • the interior is with a support grid 37 made of insulation material filled out and via an evacuation connection a value less than 0.1 mbar can be evacuated.
  • the modification shown in Figure 1B to the embodiment 1A is that near the straps 13th are provided parallel to these seat belts 13a, which are connected to the door leaf like the belts 13 and those on the winding shaft 7 each assigned a winding drum 11a is.
  • the seat belts 13a are without tension the door leaf 1 and its rotationally fixed with the winding shaft 7 connected winding drums 11a, however, could the seat belts 13a even under slight pretension stand when the winding drums 11a rotatably to Winding shaft 7 via a limited torsionally flexible coupling would be connected to the winding drums 11.
  • tearing one Belt 13 becomes the door leaf 1 from the neighboring one Seat belt 13a intercepted.
  • FIG. 2C A further modification is shown in FIG. 2C and is that to apply a counter torque by the weight of the door leaf 1 via the straps 13 and the winding drum 11 applied torque a spring 38 is provided. This is from an eyelet 39 at the bottom End of the post 6 held and in a yoke piece 40 one loose roll 41 hooked in by a loop of a Belt 14a is worn, the belt 14a with its end strand at the upper end of the post 6 by a clamping plate 42 is held while the other strand of the belt 14a on the with the winding shaft 7 rotatably connected winding drum 12a is attached.
  • the springs 38 can be used instead of counterweights 15 or used together with one, in any case, the condition that torque compensation is only given when the door leaf 1 a Has reached the minimum opening height.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Wing Frames And Configurations (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

Hubtore für den Abschluß von Toröffnungen weisen ein Torblatt, seitlich der Toröffnung angeordnete Führungsschienen für das mit seitlichen Laufrollen versehene Torblatt, und oberhalb der Führungsschienen eine antreibbare, mit Wickeltrommeln für Zugmittel zum Heben und Senken des Torblattes versehene Welle auf. Ein solches Hubtor ist aus FR 2 247 182 A bekannt.Lift gates for closing door openings have a door leaf, Guide rails arranged to the side of the door opening for the door leaf with side rollers, and above the guide rails a drivable, with winding drums for traction devices for lifting and lowering the door leaf provided shaft. Such a lifting gate is known from FR 2 247 182 A.

Von einem solchen Hubtor geht die Erfindung aus mit der Aufgabenstellung, das Hubtor geeignet zu machen für den Abschluß einer Toröffnung eines Tiefkühl-Lagerraumes. Diese Aufgabe wird gelöst durch eine Ausbildung des Hubtores mit der in Anspruch 1 aufgezählten Merkmalskombination.The invention is based on such a lifting gate with the Task to make the lifting gate suitable for the conclusion a gate opening of a deep-freeze storage room. This The task is solved by training the lifting gate with the combination of features listed in claim 1.

Von besonderer Bedeutung ist bei einem Hubtor für den Einsatz im Tiefkühlbereich, daß es für hohe Öffnungsgeschwindigkeit im Bereich von 2 m/sec eingerichtet ist, während die Schließgeschwindigkeit durch Vorschriften der Unfallverhütung festgelegt ist. Zur Gewährleistung dieser hohen Öffnungsgeschwindigkeit, wie es die weitere Aufgabe der Erfindung ist, ist eine Ausbildung des Hubtores mit den zusätzlichen, in den Ansprüchen 2 bis 7 aufgeführten Merkmalen vorgesehen.Is of particular importance for a lifting gate for use in the freezer area that it is for high opening speed is set up in the range of 2 m / sec while the closing speed due to accident prevention regulations is set. To ensure this high Opening speed as is the further object of the invention is a design of the lift gate with the additional, features listed in claims 2 to 7 intended.

So läßt sich das Torblatt bei Verwendung eines Paneels oder von Paneelteilen mit Vakuum-Isolation (Anspruch 2) wegen deren äußerst hohen Wärmedämmwertes, mit sehr geringer Dicke ausführen (bis zu 1/15 herkömmlicher Dicke). Die Verwendung von Gurten als Zugmittel (Anspruch 3) läßt an sich schon gegenüber anderen Zugmitteln eine höhere Wickelgeschwindigkeit zu. Darüber hinaus ergibt sich mit dem Aufwickeln der das Torblatt anhebenden Gurte und dem einhergehenden Abwickeln der das Gegenmoment auf die Wickelwelle einleitenden Gurte eine Veränderung des Übersetzungsverhältnisses mit einem hohen Anfangsmoment, welches zusammen mit dem Motordrehmoment eine hohe Anfangsbeschleunigung und damit das schnelle Öffnen des Hubtores ergibt. Bei auf die Gurtstärke abgestimmter Durchmesser-Bemessung der Wickeltrommeln kann Momentengleichheit an den Wickeltrommeln der das Torblatt haltenden Gurte und der das Gegenmoment einleitenden Gurte in einer Position gegeben sein, in welcher eine aus Sicherheitsgründen vorgeschriebene Notfall-Mindestöffnung des Hubtores erreicht ist, auch wenn die Wickelwelle von ihrem motorischen Antrieb z.B. bei dessen Ausfall abgekuppelt ist. Ein weiteres Anheben des Torblattes ist nur motorisch möglich, wodurch das Abbremsen des Torblattes zum Einfahren in die Endstellung erfolgen kann (Ansprüche 4 und 5).So the door leaf can be used when using a panel or of panel parts with vacuum insulation (claim 2) because their extremely high thermal insulation value, with very low Execute thickness (up to 1/15 conventional thickness). The usage of belts as a traction device (claim 3) per se a higher winding speed compared to other traction devices to. In addition, there is winding the belts lifting the door leaf and the accompanying Unwind the counter torque on the winding shaft introductory straps a change in gear ratio with a high initial moment, which together with the engine torque a high initial acceleration and so that the quick opening of the lifting gate results. At the Belt size coordinated diameter dimensioning of the winding drums can have the same torque on the winding drums the straps holding the door leaf and the one initiating the counter torque Belts must be in one position, in which a minimum emergency opening required for safety reasons of the lifting gate is reached, even if the Winding shaft from its motor drive e.g. at his Failure is uncoupled. Another lift of the door leaf is only possible by motor, which slows down the Door leaf can be made to move into the end position (Claims 4 and 5).

Das Gegenmoment kann ausgeübt werden durch von den Gurten getragene Gegengewichte (Anspruch 4) oder die Gurte zugbelastende Federn (Anspruch 5), wobei sich die Verwendung von Gegengewichten insbesondere für große und entsprechend schwere Torblätter empfiehlt, wogegen die Verwendung von Federn die hohe Anfangsbeschleunigung infolge ihrer hohen Spannung bei niedrigstehendem Torblatt weiter begünstigt.The counter moment can be exerted by the belts counterweights carried (claim 4) or the straps tensile Springs (claim 5), wherein the use of Counterweights especially for large and accordingly recommends heavy door leaves, whereas the use of Cushion the high initial acceleration due to their high Tension is further promoted when the door leaf is low.

Es kann sich empfehlen (Anspruch 7), das Gegenmoment von einem Gegengewicht und einem Federzug gemeinsam aufzubringen.It can be recommended (claim 7), the counter moment of to bring together a counterweight and a balancer.

Obgleich bei Verwendung von Gurten als Zugmittel die nötige Sicherheit gewährleistet werden kann. sind diesbezügliche Bedenken ausgeschlossen, wenn nach einem weiteren Merkmal der Erfindung (Anspruch 8) ein mittig zum Torblatt angeordneter Sicherheitsgurt oder zwei parallel und nahe den Gurten an den Seitenrändern des Torblattes angeordnete Sicherheitsgurte vorgesehen sind. die ohne Spannung oder mit geringer Vorspannung gleichlaufend mit den Gurten auf ihnen zugeordnete Wickeltrommeln auflaufen.Although the necessary when using belts as a traction device Security can be guaranteed. are related Concerns ruled out when looking for another feature of the invention (claim 8) arranged centrally to the door leaf Seat belt or two parallel and close to the belts Seat belts arranged on the side edges of the door leaf are provided. those without tension or with less Preload running in sync with the straps on them assigned winding drums run up.

Weitere Merkmale der Erfindung sind in der Beschreibung von Ausführungsbeispielen anhand der Zeichnungen aufgezeigt. Es zeigen die

Figur 1A
ein Ausführungsbeispiel und dessen Abwandlung in
Figur 1B
jeweils in einer Frontansicht, zu denen die
Figur 2A
einen Schnitt nach den in den Figuren 1A und 1B eingetragenen Schnittlinien IIA-IIA und die
Figur 2B
einen Schnitt nach den in den Figuren 1A und 1B eingetragenen Schnittlinien IIB-IIB zeigen. Eine Abwandlung zu der in Figur 2B dargestellten Ausführung ist in
Figur 2C
dargestellt. In größerem Maßstab zeigen die
Figur 3A
im Schnitt nach der in den Figuren 1A, 1B und 4 eingetragenen Schnittlinie IIIA-IIIA einen Ausschnitt, die
Figur 3B
im Schnitt nach der Schnittlinie IIIB-IIIB, einen Ausschnitt, die
Figur 4
einen Ausschnitt IV und die
Figur 5
einen Ausschnitt V zu den Figuren 1A und 1B. Eine Abwandlung des Ausführungsbeispiels ist in
Figur 6
und
Figur 7
in Ausschnitten dargestellt, die den in den Figuren 4 und 5 dargestellten Ausschnitten entsprechen.
Further features of the invention are shown in the description of exemplary embodiments with reference to the drawings. They show
Figure 1A
an embodiment and its modification in
Figure 1B
each in a front view, to which the
Figure 2A
a section along the section lines IIA-IIA shown in Figures 1A and 1B and the
Figure 2B
a section along the section lines IIB-IIB shown in Figures 1A and 1B. A modification to the embodiment shown in FIG. 2B is shown in FIG
Figure 2C
shown. They show on a larger scale
Figure 3A
in section along the section line IIIA-IIIA shown in Figures 1A, 1B and 4, a section that
Figure 3B
in section along section line IIIB-IIIB, a section that
Figure 4
a section IV and the
Figure 5
a section V of Figures 1A and 1B. A modification of the embodiment is in
Figure 6
and
Figure 7
shown in sections that correspond to the sections shown in Figures 4 and 5.

Das in den Figuren 1A, 2A und 2B in seiner Gesamtheit dargestellte Hubtor besteht aus einem Torblatt 1, welches an seinen Seitenrändern mit je einer oberen Laufrolle 2 und einer unteren Laufrolle 3 versehen ist. Den oberen Laufrollen 2 ist rechtsseitig eine Führungsschiene 4r und linksseitig eine Führungsschiene 4l und den unteren Laufrollen 3 ist rechtsseitig eine Führungsschiene 5r und linksseitig eine Führungsschiene 5l zugeordnet. Befestigt sind die Führungsschienen 4r, 5r und 4l, 5l je an einem aus einem Vierkantrohr gebildeten. teilweise geöffneten Pfosten 6r bzw. 6l. Oberhalb der Führungsschienen 4r, 5r, 4l und 5l befindet sich eine Welle 7, die linksseitig in einem am oberen Ende des Pfostens 6l befestigten Getriebegehäuse 8 rechtsseitig von einem am oberen Ende des Pfostens 6r befestigten Lager 9 drehbar abgestützt ist. Angetrieben ist die Welle 7 von einem Motor 10. Auf der Welle 7 sind drehfest zwei Gurttrommeln 11 und zwei Gurttrommeln 12 angeordnet, von denen die Gurttrommeln 11 zum Aufwickeln von mit dem Torblatt 1 verbundenen Gurten 13 und die Gurttrommeln 12 zum gegenläufigen Aufwickeln von mit Gegengewichten 15 verbundenen Gurten 14 vorgesehen sind. Zwischen der Welle 7 und ihrem Antrieb, der durch einen Motor 10 über das Getriebe im Getriebegehäuse 8 erfolgt, ist eine nicht dargestellte Kupplung vorgesehen, die im Notfall betätigt über einen Kettenzug 17 ausgerückt werden kann, so daß die Welle 7 allein unter den einander entgegenwirkenden Drehmomenten steht, einerseits des vom Gewicht des Torblattes 1 über die Gurte 13 und die Gurttrommeln 11 ausgeübten Drehmoments und andererseits des von den Gegengewichten 15 über die Gurte 14 und die Gurttrommeln 12 ausgeübten Drehmoments, wobei die Bemessung des Gegengewichtes 15, der Gurttrommeln 11 und 12 im Verhältnis zum Gewicht des Torblattes 1 derart ist. daß die Drehmomente sich bei einer für den Notfall ausreichenden Mindestöffnung des Hubtores ausgleichen. Mit 16 sind Puffer bezeichnet, die unten in den Pfosten 6r und 6l angeordnet sind. Auf diese Puffer 16 setzen die Gegengewichte 15 in ihrer der vollen Toröffnung entsprechenden Endlage auf.The one shown in FIGS. 1A, 2A and 2B in its entirety Lift gate consists of a door leaf 1, which on its side edges with an upper roller 2 and a lower roller 3 is provided. The top casters 2 is a guide rail 4r on the right-hand side and on the left-hand side a guide rail 4l and the lower rollers 3 is a guide rail 5r on the right side and on the left side assigned a guide rail 5l. They are attached Guide rails 4r, 5r and 4l, 5l each on one out of one Square tube formed. partially open post 6r or 6l. Above the guide rails 4r, 5r, 4l and 5l there is a shaft 7, which is on the left in a upper end of the post 6l fixed gear housing 8th to the right of one attached to the top of the post 6r Bearing 9 is rotatably supported. Is driven the shaft 7 from a motor 10. On the shaft 7 are non-rotatable two belt drums 11 and two belt drums 12 are arranged, of which the belt drums 11 for winding with the door leaf 1 connected belts 13 and the belt drums 12 for the opposite winding of counterweights 15 connected straps 14 are provided. Between the shaft 7 and their drive by a motor 10 through the transmission takes place in the transmission housing 8, is not shown Coupling provided that actuated via in an emergency a chain hoist 17 can be disengaged so that the shaft 7 only under the opposing torques stands, on the one hand of the weight of the door leaf 1 over the Belts 13 and the belt drums 11 exerted torque and on the other hand, that of the counterweights 15 via the belts 14 and the belt drums 12 exerted torque, wherein the dimensioning of the counterweight 15, the belt drums 11 and 12 in relation to the weight of the door leaf 1 such is. that the torques are at an emergency Compensate for a sufficient minimum opening of the lifting gate. With 16 buffers are designated, which are in the posts 6r and below 6l are arranged. The counterweights are placed on these buffers 16 15 in their full gate opening End position.

Ein Bemessungsbeispiel für ein Hubtor mit einer Öffnungshöhe von 3,20 m und einer Mindestöffnungshöhe von 2,00 m ist wie folgt:A design example for a lifting gate with an opening height of 3.20 m and a minimum opening height of 2.00 m is as follows:

Die Wickelwelle 7 ist von einem Rohrstück mit einem Außendurchmesser von 160 mm mit eingesetzten Achszapfen gebildet, auf das Ronden zur Abgrenzung der Wickeltrommeln 11, 11a und 12 aufgeschweißt sind. Die Gurte 13, 13a und 14 haben eine Stärke von 3 mm. Bei einer Grundwicklung ergibt sich der Basisdurchmesser der Wickeltrommeln zu 166 mm.The winding shaft 7 is from a tube piece with an outer diameter made of 160 mm with inserted journal, on the circular blank to delimit the winding drums 11, 11a and 12 are welded. The straps 13, 13a and 14 have a thickness of 3 mm. With a basic winding results the base diameter of the winding drums is 166 mm.

Nach vier Umdrehungen der Wickelwelle 7 ist das Torblatt um 2236 mm angehoben, also die Mindestöffnung überschritten.After four revolutions of the winding shaft 7, the door leaf is over 2236 mm raised, i.e. the minimum opening exceeded.

Es ist dann für die Gurte 13 ein Durchmesser von 187 mm und für die Gurte 14 ein Durchmesser von 181 mm wirksam, so daß Gleichgewicht besteht, wenn das Gegengewicht bzw. die Gegengewichte 15 um 3.3 % größer als das Gewicht des Torblattes 1 ist. Bei geschlossenem Hubtor ist für die Gurte 13 ein Durchmesser von 169 mm und für die Gurte 14 ein Durchmesser von 199 mm wirksam, so daß der Beschleunigungsvorgang des Torblattes 1 beim Öffnen mit einer Kraft von 21.6 % des Eigengewichts zusätzlich zum Motordrehmoment eingeleitet wird.It is then for the belts 13 and 187 mm in diameter effective for the belts 14, a diameter of 181 mm, so that Balance exists when the counterweight or counterweights 15 3.3% larger than the weight of the door leaf 1 is. When the lift gate is closed, 13 is for the straps a diameter of 169 mm and for the straps 14 a Diameter of 199 mm effective, so that the acceleration process the door leaf 1 when opening with a force of 21.6% of the dead weight in addition to the engine torque is initiated.

Die Darstellungen in den Figuren zeigen das Hubtor in geschlossenem Zustand, in dem das Torblatt 1, welches an seiner Unterkante mit einer Dichtungswulst 18 versehen ist, mit dieser auf der Raumflur 19 dichtend aufliegt, und mit seinen Seitenrändern und seinem Oberrand dichtend an seitlich und oberhalb der Toröffnung 20 auf die Wandfläche aufgesetzten Dichtungswulsten 21 und 22 anliegt. Hierzu sind die Führungsschienen 4r, 4l, 5r und 5l an ihren unteren Endabschnitten mit Abknickungen 23 versehen, über die das Torblatt 1 von den Laufrollen 2 und 3 am Ende seiner Absenkbewegung auf die Dichtungswülste 21 und 22 zu bewegt wird, bis zu seiner Anlage an den Dichtungswülsten, wobei gleichzeitig das Torblatt 1 mit seiner Dichtungswulst 18 zur Auflage auf der Raumflur 19 gelangt. Beim Anheben des Torblattes 1 entfernt sich dieses von den Dichtungswülsten 21 und 22, bis die Laufrollen 2 und 3 aus den Abknickungen 23 in die Führungsschienen 4r, 4l und 5r und 5l eintreten, die das Torblatt 1 im Abstand D von den Dichtungswülsten 21 und 22 senkrecht über den weiteren Hubweg führen, wie dies in den Figuren 4 und 5 punktiert dargestellt ist. Während die Achsen 24 der oberen Laufrollen 2 direkt mit dem Torblatt 1 verbunden sind, sind die Achsen 25 der unteren Laufrollen 3 über Kragplatten 26 mit dem Torblatt verbunden.The illustrations in the figures show the lifting gate in the closed position Condition in which the door leaf 1, which at its Lower edge is provided with a sealing bead 18, with this lies sealingly on the hallway 19, and with its side edges and its upper edge sealing to the side and placed above the gate opening 20 on the wall surface Sealing beads 21 and 22 are present. For this are the guide rails 4r, 4l, 5r and 5l at their lower End sections provided with kinks 23 over which the Door leaf 1 from the rollers 2 and 3 at the end of its lowering movement towards the sealing beads 21 and 22 will, until it comes into contact with the sealing beads, whereby at the same time the door leaf 1 with its sealing bead 18 comes to rest on the hallway 19. When lifting the Door leaf 1 removes this from the sealing beads 21 and 22 until the rollers 2 and 3 from the kinks 23 enter the guide rails 4r, 4l and 5r and 5l, the door leaf 1 at a distance D from the sealing beads 21 and 22 run vertically over the further stroke, like this is shown dotted in Figures 4 and 5. While the axes 24 of the upper rollers 2 directly with the door leaf 1, the axes 25 are the lower ones Rollers 3 connected to the door leaf via cantilever plates 26.

Bei der in den Figuren 6 und 7 dargestellten Abwandlung sind die Führungsschienen 4r, 4l und 5r, 5l an ihren unteren Enden durch je einen Anschlag 27 für die Laufrollen 2 bzw.. 3 begrenzt und es sind die Laufrollen 2 von Lenkern 28 und die Laufrollen 3 von Lenkern 29 getragen. Die Lenker 28 sind schwenkbar am Torblatt 1 und die Lenker 28 sind schwenkbar an mit dem Torblatt 1 verbundenen Kragplatten 30 verbunden. Zwischen den Lenkern 28 und dem Torblatt 1 und zwischen den Lenkern 29 und den Kragplatten 30 sind Zugfedern 31 angeordnet, die die Lenker 28 bzw. 29 in einer durch Anschläge 32 vorgegebenen Schwenkstellung halten, wie in den Zeichnungen in punktierten Linien dargestellt. So-bald beim Absenken des Torblattes 1 die Laufrollen 2 bzw. 3 von den Anschlägen 27 angehalten werden, schwenken die Lenker 28, 29 in ihre Spreizstellung unter Spannung der Zugfedern 31 und drücken das Torblatt 1 gegen die Dichtungswulste 21 und 22. wobei am Ende der Absenkung des Torblattes 1 die Dichtungswulst 18 an dessen Unterkante auf Raumflur 19 dichtend aufliegt.In the modification shown in Figures 6 and 7 are the guide rails 4r, 4l and 5r, 5l at their lower Ends by a stop 27 for the rollers 2 or 3 limited and there are the rollers 2 of handlebars 28 and the rollers 3 carried by handlebars 29. The handlebars 28 are pivotable on the door leaf 1 and the handlebars 28 are pivotable on cantilever plates 30 connected to the door leaf 1 connected. Between the links 28 and the door leaf 1 and Tension springs are located between the links 29 and the cantilever plates 30 31 arranged, the handlebars 28 and 29 in one hold the predetermined swivel position by stops 32, such as shown in dotted lines in the drawings. As soon as when the door leaf 1 is lowered, the rollers 2 or 3 are stopped by the stops 27, the handlebars pivot 28, 29 in their spread position under tension of the tension springs 31 and press the door leaf 1 against the sealing beads 21 and 22. being at the end of the lowering of the door leaf 1 the sealing bead 18 on its lower edge in the hallway 19 lies sealingly.

Bleibt noch zu erwähnen, daß die Dichtungswülste 18, 21 und 22 in ihrem Inneren mit Heizleitern 32 versehen sind, wodurch eine Vereisung der Dichtungswülste 18. 21 und 22 ausgeschlossen ist. Die Dichtungswulst 18 ist zusätzlich als Kontaktleiste 33 mit den Kontaktbändern 33p und 33n und einer Dichtungslippe 34 versehen.It remains to be mentioned that the sealing beads 18, 21 and 22 are provided with heating conductors 32 in their interior, whereby icing of the sealing beads 18. 21 and 22 excluded is. The sealing bead 18 is also as Contact strip 33 with the contact strips 33p and 33n and one Seal lip 34 provided.

Das das Torblatt 1 bildende einstückige Paneel ist (siehe Figuren 3A und 3B) aufgebaut aus zwei Edelstahl-Deckblechen 35, die luftdicht verschweißt sind mit einem Membranrahmen 36. Der Innenraum ist mit einem Stützgitter 37 aus Isolationsmaterial ausgefüllt und über einen Evakieranschluß auf einen Wert kleiner 0,1 mbar evakuierbar.The one-piece panel forming door leaf 1 is (see Figures 3A and 3B) constructed from two stainless steel cover plates 35, which are welded airtight with a membrane frame 36. The interior is with a support grid 37 made of insulation material filled out and via an evacuation connection a value less than 0.1 mbar can be evacuated.

Die in Figur 1B dargestellte Abwandlung zum Ausführungsbeispiel nach Figur 1A besteht darin, daß nahe den Gurten 13 parallel zu diesen Sicherheitsgurte 13a vorgesehen sind, welche wie die Gurte 13 mit dem Torblatt verbunden sind und denen auf der Wickelwelle 7 je eine Wickeltrommel 11a zugeordnet ist. Die Sicherheitsgurte 13a sind ohne Spannung mit dem Torblatt 1 und ihren drehfest mit der Wickelwelle 7 verbundenen Wickeltrommeln 11a verbunden, jedoch könnten die Sicherheitsgurte 13a auch unter geringer Vorspannung stehen, wenn deren Wickeltrommeln 11a drehbeweglich zur Wickelwelle 7 über je eine begrenzt drehelastische Kupplung mit den Wickeltrommeln 11 verbunden wären. Beim Reißen eines Gurtes 13 wird das Torblatt 1 von dem benachbarten Sicherheitsgurt 13a abgefangen.The modification shown in Figure 1B to the embodiment 1A is that near the straps 13th are provided parallel to these seat belts 13a, which are connected to the door leaf like the belts 13 and those on the winding shaft 7 each assigned a winding drum 11a is. The seat belts 13a are without tension the door leaf 1 and its rotationally fixed with the winding shaft 7 connected winding drums 11a, however, could the seat belts 13a even under slight pretension stand when the winding drums 11a rotatably to Winding shaft 7 via a limited torsionally flexible coupling would be connected to the winding drums 11. When tearing one Belt 13 becomes the door leaf 1 from the neighboring one Seat belt 13a intercepted.

Eine weitere Abwandlung ist in der Figur 2C dargestellt und besteht darin, daß zur Ausübung eines Gegendrehmoments zu dem durch das Gewicht des Torblattes 1 über die Gurte 13 und die Wickeltrommel 11 ausgeübten Drehmoment eine Feder 38 vorgesehen ist. Diese ist von einer Öse 39 am unteren Ende des Pfostens 6 gehalten und in ein Jochstück 40 einer losen Rolle 41 eingehängt, die von einer Schlaufe eines Gurtes 14a getragen ist, wobei der Gurt 14a mit seinem Endtrum am oberen Ende des Pfostens 6 von einer Klemmplatte 42 gehalten ist, während das andere Trum des Gurtes 14a an der mit der Wickelwelle 7 drehfest verbundenen Wickeltrommel 12a befestigt ist. Die Federn 38 können anstelle von Gegengewichten 15 oder zusammen mit einem solchen verwendet werden, wobei jedenfalls die Bedingung gilt, daß ein Drehmomentausgleich erst gegeben ist, wenn das Torblatt 1 eine Mindestöffnungshöhe erreicht hat.A further modification is shown in FIG. 2C and is that to apply a counter torque by the weight of the door leaf 1 via the straps 13 and the winding drum 11 applied torque a spring 38 is provided. This is from an eyelet 39 at the bottom End of the post 6 held and in a yoke piece 40 one loose roll 41 hooked in by a loop of a Belt 14a is worn, the belt 14a with its end strand at the upper end of the post 6 by a clamping plate 42 is held while the other strand of the belt 14a on the with the winding shaft 7 rotatably connected winding drum 12a is attached. The springs 38 can be used instead of counterweights 15 or used together with one, in any case, the condition that torque compensation is only given when the door leaf 1 a Has reached the minimum opening height.

Claims (12)

  1. A vertical lift door as a closing structure for a door opening of a walk-in freezer characterized by the combination of the features:
    a)guide tracks (4r,41,5r,51) for the door leaf (1) including guide rollers (2,3) provided on the sides of said door opening,
    b)a winding shaft (7) including winding drums (12,12a) for traction means (14, 14a) for lifting and lowering said door leaf (1) provided above said guide tracks (4r,41,5r,51),
    c)said door leaf (1) formed by a thermally-insulating panel in one piece or composed of a plurality of panel sections,
    d) heatable tubular sealing diaphragms (21,22) arranged on the wall to the side and above said door opening,
    e)said door leaf (1) provided at its bottom edge with a heatable tubular sealing diaphragm (18) doubling as a safety sensor edge,
    f) said vertical guide tracks (4r,41,5r,51) of said door leaf (1) are provided with directive means (23,24) moving against said heatable tubular sealing diaphragms (21,22) arranged to the side and above said door opening in the bottom end sections of said guide tracks with said door leaf (1) at the end of its downwards motion.
  2. The vertical lift door as set forth in claim 1, characterized by said panel or panel sections having a vacuum insulation.
  3. The vertical lift door as set forth in claim 1 or 2, characterized in that as traction means belts (13,13a,14,14a) are provided for winding drums (11,11a,12,12a) suitable for belt winding.
  4. The vertical lift door as set forth in any of the claims 1 to 3, characterized in that said shaft (7) provided with said winding drums (11) for said belts (13) for lifting and lowering said door leaf (1) comprises at least one further winding drum (12), more particularly two further winding drums (12) for counterwinding one or two belt(s) (14) carrying counterweight(s) (15) to the weight of said door leaf (1) in dimensioning said winding drums (11) and said counterweights (15) such that in taking into account the change in the translation ratio resulting from the counter-running of said belts (13,14) with said winding shaft (7) decoupled from said drive an excess torque materializes for the upwards motion of said door leaf (1) until attaining a minimum opening.
  5. The vertical lift door as set forth in any of the claims 1 to 3, characterized in that said winding shaft (7) provided with said winding drums (11) for said belts (13) for lifting and lowering said door leaf (1) comprises at least one further winding drum (12a), more particularly two further winding drums (12) for counterwinding one or two belt(s) (14a) tension-loaded by a spring (38) in dimensioning said winding drums (11,12a), spring force and characteristic, such that in taking into account the change in the translation ratio resulting from the counter-running of said belts (13,14a) and the reduction in the spring force with said winding shaft (7) decoupled from said drive an excess torque materializes for the upwards motion of said door leaf (1) until attaining a minimum opening.
  6. The vertical lift door as set forth in claim 5, characterized in that said spring (38) acts via a loose sheave (41) on a belt (14) secured at one end to the upper end of a door post.
  7. The vertical lift door as set forth in any of the claims 4 and 5 or 6, characterized in that said winding shaft (7) provided with said winding drums (11) for said belts (13) for lifting and lowering said door leaf (1) comprises a winding drum (12) for counterwinding a belt (14) carrying a counterweight (15) and a winding drum (12a) for counterwinding a belt (14a) tension loaded by a spring (38) in dimensioning said winding drums (12,12,12a)), said counterweight (15) and the spring force and characteristic of said spring (38) such that due to said counterweight (15) together with the force of said spring (38) with said winding shaft (7) decoupled from said drive an excess torque materializes for the upwards motion of said door leaf (1) until attaining a minimum opening.
  8. The vertical lift door as set forth in any of the preceding claims, characterized in that said belts (13) for lifting and lowering said door leaf (1) and their winding drums (11) on the winding shaft (7) are assigned at least one centrally disposed safety belt and winding drum, more particularly two safety belts (13a) arranged in parallel and near to said belts (13) at side edges of said door leaf (1) and winding drums (11a), said safety belt(s) (13a) wrapping said winding drum(s) (11a) in synchronism with said belts (13) non-tensioned or with a low pretension.
  9. The vertical lift door as set forth in claim 8, characterized in that said winding drum (11) of said belts (13) and said winding drum(s) (11a) of said safety belt(s) (13a) is/are connected to said winding shaft (7) non-rotatably.
  10. The vertical lift door as set forth in claim 9, characterized in that said winding drums of said belts are non-rotatably connected to said winding shaft and said winding drum(s) of said safety belt(s) is/are rotatably mounted on said winding shaft and is/are connected to a winding drum of said belts via a coupling of defined torsional flexibility.
  11. The vertical lift door as set forth in any of the preceding claims, characterized in that as directive means the ends of said guide tracks (4r,41,5r,51) are to be provided angled (23) on the heatable tubular sealing diaphragms (21,22) or corresponding wedges are provided as an extension of said guide tracks (4r,41,5r,51).
  12. The vertical lift door as set forth in any of the preceding claims, characterized in that as directive means the ends of said guide tracks (4r,41,5r,51) are provided with stops (27) for said guide rollers (2,3) of said door leaf (1) and said guide rollers (2,3) are connected to said door leaf (1) via directive levers (28,29) so that when said guide rollers (2,3) are stopped the remaining motion of said door leaf (1) down to its touchdown on the floor surface (19) said directive levers (28,29) become splayed against said spring force (31).
EP98117345A 1998-04-07 1998-09-14 Vertical lift gate for closing a door opening of a cold room Expired - Lifetime EP0949398B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19815431 1998-04-07
DE19815431 1998-04-07

Publications (3)

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EP0949398A2 EP0949398A2 (en) 1999-10-13
EP0949398A3 EP0949398A3 (en) 2001-03-28
EP0949398B1 true EP0949398B1 (en) 2003-12-17

Family

ID=7863793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117345A Expired - Lifetime EP0949398B1 (en) 1998-04-07 1998-09-14 Vertical lift gate for closing a door opening of a cold room

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EP (1) EP0949398B1 (en)
DE (1) DE59810467D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2460966A2 (en) 2010-12-06 2012-06-06 Werner Thomas Device for at least partial closing of a room opening

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Publication number Priority date Publication date Assignee Title
DE202004004737U1 (en) * 2004-03-24 2005-09-01 Viessmann Kältetechnik AG Lock for fridge access openings
DE202008015265U1 (en) * 2008-11-18 2010-04-15 Sorpetaler Fensterbau Gmbh window
DE102016114616A1 (en) * 2016-08-08 2018-02-08 Dobler Metallbau Gmbh Vertical sliding element

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US2701896A (en) * 1951-04-24 1955-02-15 Chase Blum Vertical sliding access door
US2737781A (en) * 1954-01-18 1956-03-13 Gen Motors Corp Refrigerating apparatus with vertically slidable door means
US5246053A (en) * 1985-09-25 1993-09-21 Nergeco Riser for a vertically-opening door
US5129442A (en) * 1991-12-26 1992-07-14 Kelley Company Inc. Roll-up industrial door having a combined pulley for counterweight and spring tension belts
NL9200431A (en) * 1992-03-09 1993-10-01 Michel Nicolaas Trompert SLIDING WINDOW ASSEMBLY CONTAINING AT LEAST A FRAME WITH A SLIDING WINDOW VERTICALLY THEREIN.
DE9414962U1 (en) * 1994-09-16 1994-11-03 Mayser-Gmbh & Co, 89073 Ulm Safety edge with a hollow elastomer profile
US5664396A (en) * 1995-12-29 1997-09-09 Mve, Inc. Vacuum insulation panel
FR2747182B1 (en) * 1996-04-05 1998-06-05 Cardo Door Continental Bv COLD ROOM SAS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2460966A2 (en) 2010-12-06 2012-06-06 Werner Thomas Device for at least partial closing of a room opening
DE102010062449A1 (en) * 2010-12-06 2012-06-06 Werner THOMAS Device for at least partially closing an opening of a room
EP2460966A3 (en) * 2010-12-06 2013-11-20 Werner Thomas Device for at least partial closing of a room opening

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EP0949398A3 (en) 2001-03-28
EP0949398A2 (en) 1999-10-13
DE59810467D1 (en) 2004-01-29

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