EP0488419B1 - Dispositif à ressorts de torsion pour compensation d'un volet - Google Patents

Dispositif à ressorts de torsion pour compensation d'un volet Download PDF

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Publication number
EP0488419B1
EP0488419B1 EP91120635A EP91120635A EP0488419B1 EP 0488419 B1 EP0488419 B1 EP 0488419B1 EP 91120635 A EP91120635 A EP 91120635A EP 91120635 A EP91120635 A EP 91120635A EP 0488419 B1 EP0488419 B1 EP 0488419B1
Authority
EP
European Patent Office
Prior art keywords
spring
shaft
springs
individual
spring device
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
EP91120635A
Other languages
German (de)
English (en)
Other versions
EP0488419A1 (fr
Inventor
Thomas J. Dipl.-Ing. Hörmann
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 EP0488419A1 publication Critical patent/EP0488419A1/fr
Application granted granted Critical
Publication of EP0488419B1 publication Critical patent/EP0488419B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—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
    • 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
    • E06B9/60—Spring drums operated only by closure members

Definitions

  • the invention relates to a torsion spring device for counterbalancing the weight of a building closure that can be moved up and down at least with respect to a movement component, such as gates - in particular a sectional sectional door, roller door, lifting gate - whose displacement movement is translated into the rotation of a shaft running approximately coaxially with the spring device, with which one Rotational movement is applied to the one end-side end of the other end, which is supported against rotation in such a way that it tensions in a force-storing manner during downward movement and releases the stored force during upward movement, with several individual torsion springs being distributed around the shaft axis around the shaft circumference, one end-side ends of which are arranged a transmission device transmitting power in the same direction and the other front ends of which are rigidly combined with regard to the force-transmitting action.
  • a movement component such as gates - in particular a sectional sectional door, roller door, lifting gate - whose displacement movement is translated into the rotation of a shaft running approximately coaxially with the spring device
  • such torsion spring devices consist of one or more torsion springs arranged axially distributed along a shaft, which are coaxially penetrated by the shaft and, because of their limited number, namely one to three, must each be individually designed to be “hard”, ie they each consist of a thick, coarse spring wire and are correspondingly large in volume.
  • These torsion springs which require correspondingly large spring cones to hold their ends, are difficult to tension and therefore have to be adjusted on site.
  • a torsion spring device for balancing the weight of a building closure that can be moved up and down with respect to at least one movement component.
  • the individual torsion springs are arranged laterally next to the shaft and are connected to it in a geared manner by means of a gear transmission.
  • the individual torsion springs run essentially parallel to one another and to the shaft with regard to their longitudinal extent. This has the disadvantage that this torsion spring device requires a very large installation space.
  • the invention has for its object to provide a torsion spring device for weight compensation of the type in question, which is easier to manufacture and less at risk of spring coil breakage and also has a compact construction.
  • this object is achieved according to the invention in that both the individual torsion springs and the shaft are arranged between two brackets, so that the individual torsion springs are arranged in their total axial extension around the shaft and to and with respect to it Longitudinal extension essentially parallel between the brackets.
  • the torsion spring device is therefore characterized in that instead of a large-volume individual torsion spring which is arranged running around the shaft, a plurality of individual torsion springs is provided, which are distributed around the shaft with regard to their attachment options and preferably run parallel to one another with regard to their longitudinal axes are arranged.
  • One end of these individual springs is rigid and the other ends are connected to the shaft via a gear connection that accompanies the door leaf of whatever kind in a rotating manner with regard to its movement.
  • the individual springs which can be arranged interchangeably or interchangeably, can have different force-displacement characteristics, and thus the spring device as a whole can be better determined with regard to its weight-balancing effect.
  • the gear connection that collects the forces of the connected individual springs is designed as a planetary gear, the individual springs being connected at one end to a planet gear, which planet gears work on a common central gear serving as a collecting member.
  • 1 shows a torsion spring device which engages a shaft 2 which is connected to the door leaf in such a way that the closing and opening movement converts into a rotational movement of the shaft 2, for example in that in a manner not shown
  • the two ends of the shaft are provided with cable drums which receive cables which engage with their free ends on the lower edges of a door leaf.
  • Such gate constructions are known in a variety of designs.
  • the torsion spring device 1 is formed from a multiplicity of individual torsion springs 3 which are arranged around the shaft 2 and run parallel to this and to one another with respect to their longitudinal extension. Each of the individual springs 3 is penetrated by a spring support axis 27 and positioned by supports 4 and 5, respectively.
  • the right-hand end 7 of the individual springs 3 are connected to one another in a "rigid" manner, i.e. they cannot rotate about their respectively associated axis 27, while the left-hand, gear-side end 6 of each of these individual springs 3 is connected in a rotationally fixed manner to a planet gear via a retaining cone 14.
  • the other end face is fixed rigidly via a holding cone 13, which is at the same time designed for tensioning the spring (pretension).
  • the gear device 8 for the gear coupling of the gear-side end faces 6 of the individual springs 3 to the shaft 2 is made with the aid of a planetary gear which consists of an externally toothed central gear 9 and one of the number of individual springs 3 - as can be seen from FIG. 2, for example four - combs the corresponding number of planet gears 10, each of which is connected in a rotationally fixed manner via a holding cone 14 to a front end 6 of a single spring 3 on the transmission side.
  • the brackets 4 and 5 are held stationary, so that the "rigid" ends 7 of the individual springs are rotatable and fixed overall.
  • a rotation of the shaft 2 caused by the door leaf (not shown) is transmitted via the central wheel 9 to the planet gears 10 in such a way that the springs 3 are tensioned when the door leaf moves in the closing direction. This compensates for the torque that increases on shaft 2 in the course of the closing movement.
  • the force stored in the springs 3 supports the upward movement of the door leaf via the planetary gear 8 in the reverse flow of force.
  • Figure 3 works on the same principle as that of Figures 1 and 2.
  • the planetary gear in this second embodiment is one with the Shaft 2 non-rotatably connected, internally toothed central wheel 17, which meshes with planet gears 18, which in turn are non-rotatably connected to the gear-side ends 6 of the associated individual springs 3.
  • the individual springs 3 are rotatably mounted with their spring mounting axes 27 with their rigidly combined ends 7 on a holder 5 and with their gear-side ends 6 in openings of a holder designed as a support disk 15 and connected to planet wheels 10 in a rotationally fixed manner.
  • Both the bracket 5 and the support plate 15 are connected to the shaft 2 in a manner fixed against relative rotation.
  • the holder 5 and the support disk 15 are connected by means of a tube 16 to form a torsion-resistant unit on which the individual springs are held and which act as a "package" on the shaft 2 is attachable.
  • the planet gears 10, which protrude from the gear-side end 6 of the springs and protrude beyond the support disk 15, engage an externally toothed central wheel 9, which in turn is secured against rotation in a fixed holder 19, which in turn is for the centered arrangement of the central wheel 9 comprises the shaft 2 in a position-oriented manner.
  • a rotary movement introduced into the shaft 2 by the door leaf or a drive thus also occurs on the holder 5 and the support disk 15, so that the individual springs 3 held thereon also rotate about the axis of rotation of the shaft 2.
  • the planet wheels 10 roll on the stationary central wheel 9, whereby the individual springs are tensioned in the course of the closing movement of the door leaf and relax accordingly in the course of the opening movement.
  • the exemplary embodiment according to FIG. 6 works according to the same concept, only a planetary gear is provided in the area of the gear connection 8, which works with an internally toothed central wheel 17 which is secured against rotation on the shaft holder 19 and which has a number of planet wheels 18 corresponding to the number of individual springs 3 combs.
  • a switch lug 23 protrudes from the signal disk 11 and bears on the actuator of a switch 22.
  • the arrows shown in FIG. 7 show the rest position of the bolts 20 in the elongated holes 21, the signal disk 11 is rotated by the spring force of the actuating element of the switch 22 via the switch nose 23 such that the projections 24 each abut one of the bolts 20. If one of the springs breaks, there is a corresponding reaction force on the bolts 20, which then move along the elongated holes 21 and rotate the signal disk 11 over the associated projection 24, so that the switch 22 is actuated and indicates the breakage of a spring.
  • FIG. 8 shows a spring break monitoring device for a torsion spring device according to FIGS. 4 to 6, in which the end of the individual springs facing away from the planetary gear 8 rotates during operation with the holder 5 designed as a signal disk 12 and the shaft 2.
  • bolts 20 connected to the cones 13 engage corresponding elongated holes 21 in the holder 5, which is connected in a rotationally fixed manner to the shaft, and engage respectively assigned signal pawls 25, so that in the event of spring breakage, the corresponding bolts 20 by reaction force make the signal pawls 25 weak against the force of a force designed holding spring 29 pivot radially outward by a certain distance.
  • the signal pawl is held under the force of an associated storage spring 28.
  • the Swung out pawl 25 reaches the area of engagement of an actuator of a switch 26 - preferably a snap-in switch - so that if the spring breaks in the course of the next rotary movement, actuation of this switch 26 indicates the spring break.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Springs (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Gates (AREA)
  • Lock And Its Accessories (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)

Claims (15)

  1. Dispositif à ressorts de torsion destiné à compenser le poids d'une fermeture de bâtiment montant et descendant au moins en ce qui concerne une composante de son mouvement, telle qu'une porte en particulier une porte à organes au plafond, une porte roulante, une porte levante, dans lequel :
    - le déplacement de la porte est transformé en une rotation d'un axe décentré sensiblement coaxial au dispositif à ressorts (1),
    - une rotation d'une extrémité frontale (6) du dispositif à ressorts monté en appui par son autre extrémité (7) sans pouvoir tourner s'effectue de manière à emmagasiner une force de tension dans le dispositif lors de la levée de la porte et de la restituer lors de la descente de la porte,
    - plusieurs ressorts individuels (3) sont répartis autour de l'axe de l'arbre, leurs extrémités frontales (6) situées d'un côté transmettant les forces dans le même sens par l'intermédiaire d'un dispositif d'engrenage (8) tandis que les autres extrémités frontales sont reliées rigidement par rapport aux sollicitations dynamiques,
       caractérisé en ce que :
    - les ressorts individuels (3) ainsi que l'arbre (2) sont montés entre deux supports (4, 5) de manière que les ressorts (3) sont disposés, en projection axiale, autour de l'arbre (2) et que ces ressorts se décentrent parallèlement à l'axe et aux supports (4, 5) par rapport à leur dimension longitudinal entre eux.
  2. Dispositif à ressorts selon la revendication 1, caractérisé en ce que le dispositif d'engrenage (8) à engagement constant par combinaison de formes est du type à courroies ou à pignons dentés, en particulier un engrenage planétaire (9, 10 ; 17, 18).
  3. Dispositif à ressorts selon la revendication 1 ou 2, caractérisé en ce que le dispositif d'engrenage est un engrenage planétaire composé d'un pignon central (9) à denture extérieure, entouré de pignons satellites (10) de chacun desquels est solidaire en rotation une extrémité frontale (6) d'un ressort individuel (3).
  4. Dispositif à ressorts selon la revendication 1 ou 2, caractérisé en ce que le dispositif d'engrenage est un engrenage planétaire composé d'un pignon central (17) à denture intérieure entourant des pignons satellites répartis le long de cette denture et de chacun desquels est solidaire en rotation une extrémité (6) d'un ressort individuel (3).
  5. Dispositif à ressorts selon la revendication 3 ou 4, caractérisé en ce que le pignon central (9 ou 17) est monté avec solidarité en rotation sur l'arbre (2) tandis que les autres extrémités (7) des ressorts individuels (3) éloignées des satellites (10 ou 18) sont montées sur un support d'arbre (4) fixe, avec solidarité en rotation.
  6. Dispositif selon la revendication 3 ou 4, caractérisé en ce que le pignon central (9 ; 17) est monté sur un support d'arbre (19) fixe, tandis les extrémités (7) des ressorts individuels (3) éloignées des satellites (10, 18) sont montés avec solidarité en rotation sur un support d'arbre (5) lui-même monté avec solidarité en rotation sur l'arbre (2).
  7. Dispositif selon la revendication 6, caractérisé en ce que le support d'arbre (5) et un disque d'appui (15) supportant les ressorts individuels (3) au niveau de leurs extrémités (6) proches des satellites (10 ; 18) sont solidarisés en rotation, par un tube de liaison (16) entourant coaxialement l'arbre (2).
  8. Dispositif à ressorts selon les revendications 1 à 7, caractérisé en ce que les ressorts individuels (3) sont surveillés en ce qui concerne la rupture de leurs spires, par détection de la force élastique emmagasinée.
  9. Dispositif à ressorts selon la revendication 8, caractérisé en ce que les extrémités (7) des ressorts individuels (3) éloignées des satellites (10 ; 18) et rigidement associées, en ce qui concerne la transmission des forces tout en pouvant tourner par l'intermédiaire de cônes de maintien (13, 14) ou organes analogues en cas de chute de tension résultant d'une rupture d'une spire du ressort effectuent une rotation autour de l'axe porteur du ressort (27), rotation qui, à partir d'une certaine ampleur provoque le déclenchement d'un indicateur, par exemple un contacteur (22).
  10. Dispositif à ressorts selon une des revendications 5 et 7 à 9, caractérisé en ce que les ressorts individuels (3) ou leurs cônes de maintien (13, 14) portent à leurs extrémités frontales des parties coudées, des tiges (20) ou organes analogues qui traversent des boutonnières (21) en particulier des boutonnières en arc de cercle découpées dans le support d'arbre (4) et qui, en venant au contact de saillies ou éléments de même genre portés par un disque rotatif de signalisation (11), font tourner celui-ci lorsque se produit une rupture de ressort et déclenchent ainsi la commande d'un contacteur (22).
  11. Dispositif à ressorts selon une des revendications 6 à 9, caractérisé en ce que les ressorts individuels (3) ou les cônes de maintien (13, 14), par leurs parties coudées, leurs tiges (20) à organes analogues traversant des boutonnières (21), en particulier en arc de cercle pratiquées dans le support d'arbre (5) monté tournant, viennent agir sur des cliquets de signalisation (25) pour les faire basculer lorsque se produit une rupture de ressort et actionner ainsi un contacteur (26) ou organe analogue au cours du mouvement de rotation du support d'arbre (5).
  12. Dispositif à ressorts selon la revendication 11, caractérisé en ce que des cliquets de signalisation (25) sont soumis, chaque fois, à un ressort accumulateur de force (28) s'opposant à l'action d'une tige (20) portée par le ressort individuel (3) sous tension, des ressorts de maintien (29) plus faibles que les ressorts accumulateurs de force (28) agissant par ailleurs sur ces cliquets, en direction opposée.
  13. Dispositif à ressorts selon une des revendications 1 à 12, caractérisé en ce qu'au moins une partie du dispositif d'engrenage est en matière plastique.
  14. Dispositif à ressorts selon une des revendications 1 à 13, caractérisé en ce que les cônes de maintien (13, 14) sont réalisés au moins partiellement sous la forme de cônes de serrage (13) qui sous la tension des ressorts individuels peuvent être fixés par un cliquet situé vers le support d'arbre - :en particulier lorsque celui-ci est fixe - :empêchant la rotation sous l'action de la force du ressort.
  15. Dispositif à ressorts selon une des revendications 1 à 14, caractérisé en ce que les ressorts individuels (3) présentent, en partie du moins, des caractéristiques force-déplacement différentes.
EP91120635A 1990-11-30 1991-11-30 Dispositif à ressorts de torsion pour compensation d'un volet Expired - Lifetime EP0488419B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4038275 1990-11-30
DE4038275A DE4038275A1 (de) 1990-11-30 1990-11-30 Torsionsfedereinrichtung fuer den gewichtsausgleich eines zumindest hinsichtlich einer bewegungskomponente auf- und abbewegbar gefuehrten gebaeudeabschlusses und dergleichen

Publications (2)

Publication Number Publication Date
EP0488419A1 EP0488419A1 (fr) 1992-06-03
EP0488419B1 true EP0488419B1 (fr) 1996-08-28

Family

ID=6419321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120635A Expired - Lifetime EP0488419B1 (fr) 1990-11-30 1991-11-30 Dispositif à ressorts de torsion pour compensation d'un volet

Country Status (7)

Country Link
EP (1) EP0488419B1 (fr)
AT (1) ATE141996T1 (fr)
DE (2) DE4038275A1 (fr)
DK (1) DK0488419T3 (fr)
ES (1) ES2090212T3 (fr)
FI (1) FI98753C (fr)
NO (1) NO300857B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL181991B1 (pl) * 1995-12-22 2001-10-31 Hoermann Kg Podnoszona brama czlonowa PL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB254936A (en) * 1925-10-30 1926-07-15 Kinnear Mfg Co Improvements in counter-balancing apparatus for shutters, blinds, doors and the like
CH262203A (de) * 1939-11-23 1949-06-30 Stephanus Tesser Antonius Federtrommel für Rolläden und Rollvorhänge.
DE8206622U1 (de) * 1982-03-10 1982-06-24 Adolf Seuster GmbH, 5880 Lüdenscheid Rolltor
DE8300173U1 (de) * 1983-01-05 1988-05-19 W. u. H. Neukirchen GmbH & Co KG, 4060 Viersen Antrieb für Rolltore

Also Published As

Publication number Publication date
NO914593D0 (no) 1991-11-25
FI915660A (fi) 1992-05-31
ATE141996T1 (de) 1996-09-15
NO914593L (no) 1992-06-01
NO300857B1 (no) 1997-08-04
DE59108120D1 (de) 1996-10-02
DK0488419T3 (da) 1996-09-16
DE4038275A1 (de) 1992-06-11
FI98753C (fi) 1997-08-11
FI915660A0 (fi) 1991-11-29
EP0488419A1 (fr) 1992-06-03
FI98753B (fi) 1997-04-30
ES2090212T3 (es) 1996-10-16

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