EP3568264A1 - Dispositif de serrage destiné à serrer un ressort hélicoïdale - Google Patents

Dispositif de serrage destiné à serrer un ressort hélicoïdale

Info

Publication number
EP3568264A1
EP3568264A1 EP18701674.6A EP18701674A EP3568264A1 EP 3568264 A1 EP3568264 A1 EP 3568264A1 EP 18701674 A EP18701674 A EP 18701674A EP 3568264 A1 EP3568264 A1 EP 3568264A1
Authority
EP
European Patent Office
Prior art keywords
gear
drive
main shaft
bevel
clamping 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.)
Granted
Application number
EP18701674.6A
Other languages
German (de)
English (en)
Other versions
EP3568264B1 (fr
Inventor
Andreas Heiko GRUNER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3568264A1 publication Critical patent/EP3568264A1/fr
Application granted granted Critical
Publication of EP3568264B1 publication Critical patent/EP3568264B1/fr
Priority to HRP20201807TT priority Critical patent/HRP20201807T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
    • 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
    • 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
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/499—Spring tensioners; Tension sensors
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/716—Pinions
    • E05Y2201/718—Bevelled pinions

Definitions

  • the present invention relates to a tensioning device for tensioning a coil spring, which acts as a torsion or torsion spring, wherein for tensioning the spring whose both ends
  • tensioned coil springs serve, for example, the
  • Sectional doors consist of several door sections that are foldably connected to each other and each have one or more run in the front rails rollers.
  • a drive shaft which is connected to a drive, usually an electric motor.
  • Coil springs are attached to the drive shaft. The spring force of the coil springs counteracts the self-weight force of the door to assist the rotation of the drive shaft and to relieve the electric drive.
  • the coil spring is fixed to the drive shaft. The tension of the
  • Coil spring takes place during assembly by introducing a torque at the non-rotatably mounted end of the coil spring, so that the spring can be tensioned and the spring is secured in the tensioned state on the drive shaft. Due to the required large forces or moments, a supporting device for tensioning the spring is necessary. From the prior art, various devices for
  • auxiliary tool for mounting a shock absorber comprising a holding assembly and a drive assembly.
  • the auxiliary tool has a thread feed and is arranged coaxially with the spring to be tensioned.
  • Hilfstechnik ⁇ stuff is manually rotated about the axis of rotation.
  • the spring is relaxed or relaxed by changing the axial offset of the wire circumference.
  • US 7,909,305 B2 describes a strut removal device. It comprises two compacting plates, which are formed so as to have a fastening region with which they are connected to a driving threaded section. Furthermore, each compressor plate has a device which is adapted to engage in a respective first coil of a
  • Coil spring is formed.
  • the device is drivable with a manually generated torque.
  • the tensioning devices described above generate a force acting axially on the spring, without a torque acting on the spring to be clamped.
  • DE 10 2012 104 673 B3 relates to a tool, system and method for screwing usually two helical compression springs into a single helical spring. On the tool used for this purpose handles are out ⁇ forms, which serve to operate the tool.
  • Torsion springs vary.
  • the tool has a split
  • Clamping device and can be brought into engagement with the adjustable sleeve anchor.
  • circumferentially spaced rounded teeth are formed.
  • To introduce a torque in the tool handle portions for manual operation of the tool are formed.
  • Torsion spring can be secured in a tight end position. In some cases, it is necessary for two people to do the torsion spring installation at the same time.
  • US 3,921,761 A describes a method and a
  • the device for winding torsion springs.
  • the device comprises a torsion spring, which is fastened with a first end to a support means. A second end of the torsion spring
  • Torsion spring is rotatable relative to the first end.
  • the device comprises a gear and a rotatable worm gear, wherein the transmission has at least one rotatable by the worm gear transmission part.
  • the worm gear is connected to a stationary component via a support plate, which is movable relative to the gear part and the worm gear in
  • the device has a
  • An object of the present invention is based on
  • the tensioning device serves for tensioning a coil spring, which is mounted on a main shaft. At one end is the coil spring with a frame or
  • the tensioning device comprises a
  • the gear drive comprises a first gear element and a second gear element.
  • the first transmission element is axially displaceably guided on the main shaft and rotatably connected to a free end of the coil spring.
  • the second gear member is in driving engagement with the first gear member, d. H. the second
  • Transmission element drives the first gear element and puts this in rotation about the main shaft. Due to the rotationally fixed connection of the coil spring at its fixed end to the frame, the coil spring upon initiation of a torque on the with the first transmission element
  • the clamping device further comprises a holding element.
  • the holding member holds the second gear member during the clamping operation in the position of the drive engagement with the first transmission element.
  • the tensioning device further comprises a drive element.
  • the drive element is on the second transmission element preferred releasably coupled to enable this for the clamping operation in rotation.
  • the gear drive of the inventive clamping device is designed as a bevel gear. So that's the first one
  • Gear element formed as a bevel pinion.
  • the axis of rotation of the first gear element and the second gear element are perpendicular to each other.
  • the axis of rotation of the main shaft is preferably coaxial with
  • the bevel gear has a central opening, which serves to carry out the main shaft.
  • a central opening of the bevel pinion is used for
  • a drive shaft one end of which is designed as a guide pin, can be arranged in the axial passage opening of the bevel pinion.
  • the bevel gear is connected to a guide bush.
  • Guide bush is guided axially displaceable on the main shaft, so that the guide bush is axially displaceable together with the bevel gear on the main shaft.
  • the guide bush At its outer periphery the guide bush has a guide groove.
  • Guide groove is mounted on the guide pin of the bevel pinion.
  • the bevel gear is integrally connected to the guide bushing. On its side facing away from the guide bush axially, the bevel gear has a cylindrical receiving section. At this receiving portion, the free end of the coil spring is rotatably mounted.
  • the coil spring is attached to the on ⁇ acquisition portion for example by welding or riveting.
  • the coil spring can be in another
  • Embodiment releasably secured to the receiving portion, for example, by being screwed.
  • Coil spring biases the impressed torque
  • the tensioning device has the retaining element.
  • the holding element preferably comprises a bracket and a pressure plate connected to the bracket.
  • the bracket is the guide ⁇ bushing and the bevel pinion encompassing attachable.
  • the pressure ⁇ plate is preferably positioned to a holding force in the axial direction on a side facing away from the guide bushing and Imprint perpendicular to the axis of rotation arranged bottom surface of the bevel pinion.
  • first counterpart between bracket and guide bushing.
  • a second counterpart is placeable between the pressure plate and the bottom surface of the conical ⁇ pinion.
  • the counterparts support a uniform introduction of the holding force by the holding element by sufficiently large contact surfaces form sufficiently large contact areas between the holding element and between the transmission elements.
  • the counterparts preferably have a shape adapted to the geometry of the retaining element and the geometry of the gear elements and are formed from durable materials with regard to the acting forces.
  • the drive element is formed as an electric motor.
  • the second gear element that is, conical ⁇ pinion mounted.
  • Particularly preferred as well as expedient is the end of the motor axis, on which the second gear element is arranged, as a guide pin for the storage of
  • Bevel pinion trained In the simplest case comes as
  • a preferred embodiment of the clamping device is characterized in that it further comprises locking elements.
  • the first gear member on the main shaft is rotatably fixed.
  • a locking element can be For example, a wedge, a pin, a screw, a bolt or the like.
  • a groove in the main shaft is arranged and corresponding thereto at least one passage opening in the first gear member.
  • Each of the through openings preferably extends in sections radially circumferentially along the outer circumference, in the region of the guide bushing of the bevel gear, in the cylindrical receiving portion of the bevel gear or the bevel gear itself.
  • the through holes are formed for example by holes or slots, and are used to carry out a
  • the second is
  • bracket and the pressure plate so the holding element, releasably attached to the
  • Holding element eliminates the impressed on the bottom surface of the bevel pinion holding force. This dissolves the
  • the bracket is detachably connected to the pressure plate, for example by screws.
  • 1 shows a side view of a tensioning device according to the invention for tensioning a helical spring
  • 2 shows a front view of the clamping device with a holding element.
  • Fig. 1 shows a side view of a clamping device according to the invention Ol for tensioning a coil spring 02, which is guided on a main shaft 03. Not shown is the area in which the coil spring 02 with a fixed end rotatably connected to a housing part or a frame (not shown) is connected.
  • the tensioning device comprises a gear drive, which is formed by a first gear member 06 and a second gear ⁇ element 07, wherein the first gear member 06 are formed as a bevel gear and the second gear member 07 as a bevel pinion.
  • the axis of rotation of the first gear member 06 are formed as a bevel gear and the second gear member 07 as a bevel pinion.
  • Bevel gear 06 is perpendicular to the axis of rotation of the conical ⁇ pinion 07th
  • the bevel gear 06 is guided axially displaceable on the main shaft 03.
  • 06 for the bevel gear has a first axial ⁇ hole 09 through which the main shaft runs 03.
  • the bevel gear 06 is connected at its side remote from the coil spring 02 side with a guide bush 10.
  • the guide bush 10 is preferably integrally formed on the bevel gear and has a guide groove 11.
  • the guide groove 11 is formed radially encircling.
  • the directed to the coil spring side of the bevel gear 06 has a cylindrical receiving portion 12. Both in the guide bush 10 and in the receiving portion 12, the passage opening is set
  • the bevel pinion 07 has a second axial passage opening 14.
  • the second through hole 14 serves to receive a drive shaft 15, which at one end with a
  • the electric drive (not shown) is formed out ⁇ forms and the free end is formed as a guide pin 16.
  • the drive shaft 15 is rotatably connected to the bevel pinion 07 and transmits torque from the electric drive to the bevel pinion 07.
  • the guide ⁇ pin 16 of the bevel pin 07 is arranged to guide the bevel pinion 07 in engagement with the bevel gear 06 in the guide groove 11.
  • Bevel pinion, drive shaft and guide pin may alternatively be integrally formed.
  • Fig. 1 further shows a first counterpart 17 which is applied to the guide bushing 10 and one inside
  • FIG. 2 shows a front view of the clamping device 01 with the holding element 19.
  • the holding member 19 includes a bracket 20 and a pressure plate 21.
  • the bracket 20 engages around the guide ⁇ socket 10 and the bevel pinion 07.
  • the pressure plate 21 is on arranged the bottom surface of the bevel pinion 07.
  • the bracket 20 and the pressure plate 21 are preferably releasably attached to release the bevel pinion 07.
  • Fig.2 also shows the drive axle 15 through the second
  • Passage opening 14 of the bevel pinion 07 extends and is guided in the guide groove 11.
  • the drive ⁇ shaft 15 is designed as a guide pin 16.
  • Fig. 2 shows that in addition to the first counterpart 17, a second counterpart 23 is arranged.
  • the two counterparts 17, 23 are axially spaced with respect to the drive axis 15, arranged opposite one another, wherein the second counterpart 23 between the bottom surface of the bevel pinion 07 and the pressure plate 21 of the holding element 19 is arranged.
  • the contact surfaces of the second counterpart 23 are formed sufficiently large to sufficiently large contact areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

L'invention concerne un dispositif de serrage (01) destiné à serrer un ressort hélicoïdal (02), qui est monté sur un arbre principal (03) et, par une extrémité fixe, est reliée bloquée en rotation à un cadre. Le dispositif de serrage (01) comprend un entraînement à denture (05) et un élément de maintien (19), lequel maintient un deuxième élément d'engrenage (11) dans la position de prise d'entraînement avec un premier élément d'engrenage (06). En outre, le dispositif de serrage (01) comprend un élément d'entraînement. L'entraînement à denture est conçu sous la forme d'engrenage conique, le premier élément d'engrenage (06) étant conçu sous la forme d'une roue conique (06) et le deuxième élément d'engrenage (07) étant conçu sous la forme d'un pignon conique (07) et des axes de rotation des deux éléments d'engrenage (06, 07) s'étendant perpendiculairement l'un par rapport à l'autre. La roue conique (06) est raccordée d'un seul tenant à une douille de guidage (10), ladite roue conique comporte une ouverture (09) centrale, à travers laquelle se prolonge l'arbre principal (03), et une section de réception (12) cylindrique, dans laquelle l'extrémité libre du ressort hélicoïdal (02) est fixée.
EP18701674.6A 2017-01-13 2018-01-10 Dispositif de serrage destiné à serrer un ressort hélicoïdale Active EP3568264B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20201807TT HRP20201807T1 (hr) 2017-01-13 2020-11-12 Zatezni uređaj za zatezanje zavojne opruge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017100581.1A DE102017100581A1 (de) 2017-01-13 2017-01-13 Spannvorrichtung zum Spannen einer Schraubenfeder
PCT/EP2018/050521 WO2018130548A1 (fr) 2017-01-13 2018-01-10 Dispositif de serrage destiné à serrer un ressort hélicoïdale

Publications (2)

Publication Number Publication Date
EP3568264A1 true EP3568264A1 (fr) 2019-11-20
EP3568264B1 EP3568264B1 (fr) 2020-08-12

Family

ID=61054342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18701674.6A Active EP3568264B1 (fr) 2017-01-13 2018-01-10 Dispositif de serrage destiné à serrer un ressort hélicoïdale

Country Status (6)

Country Link
US (1) US11148267B2 (fr)
EP (1) EP3568264B1 (fr)
JP (1) JP2020505245A (fr)
DE (1) DE102017100581A1 (fr)
HR (1) HRP20201807T1 (fr)
WO (1) WO2018130548A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017100581A1 (de) * 2017-01-13 2018-07-19 Andreas Heiko Gruner Spannvorrichtung zum Spannen einer Schraubenfeder
US11981002B2 (en) 2022-10-11 2024-05-14 Ford Motor Company Parking pawl spring pre-tensioning and assembly tool system and method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651719A (en) 1969-12-31 1972-03-28 Alfred H Wessel Overhead door torsion spring adjusting tool
US3921761A (en) 1974-04-12 1975-11-25 Univ Iowa State Res Found Inc Method and means of winding torsion spring
US3979977A (en) 1975-06-16 1976-09-14 Edward Dorma Power tool
US4625946A (en) * 1984-03-19 1986-12-02 Ederer Incorporated Hoist having worm safety device
US4981165A (en) * 1989-04-11 1991-01-01 Millco Products, Inc. Spring adjustment device for overhead doors
DE4341309C1 (de) * 1993-11-16 1995-03-30 Hoermann Kg Spanneinrichtung für die Gewichtsausgleichs-Torsionsfeder eines Torblattes
US6408925B1 (en) 1998-07-30 2002-06-25 Industrial Door Company, Inc. Counterbalancing apparatus for roll-up door
US7909305B2 (en) 2007-05-08 2011-03-22 The Ultimate Tool, Llc Suspension strut removal device
US8936063B1 (en) * 2009-09-01 2015-01-20 Ronald E. Turner Garage door spring winding system
DE202011050354U1 (de) 2011-06-06 2011-07-11 Hazet-Werk Hermann Zerver Gmbh & Co. Kg Spannteller für einen Federspanner sowie Federspanner
DE102012104673B3 (de) 2012-05-30 2013-08-14 Dr. Werner Röhrs GmbH & Co. KG Werkzeug, System und Verfahren zum Verschrauben von Schraubendruckfedern zu einer Schraubentellerfeder
DE202012005626U1 (de) 2012-06-06 2012-06-29 Klann-Spezial-Werkzeugbau-Gmbh Druckplatte für Federspanner
US9874493B2 (en) * 2012-06-26 2018-01-23 Atlas Copco Industrial Technique Ab Method and apparatus for combining torque and angle representation
DE102013101083B4 (de) 2013-02-04 2015-04-02 Yakita Metal Industry Co., Ltd. Hilfswerkzeug zur Montage eines Stoßdämpfers
US9957744B2 (en) * 2013-09-13 2018-05-01 Gary L. Hamman Power tool to spring torsioner converter
US9469281B2 (en) * 2013-11-21 2016-10-18 Paul L. Klassy External mid-mount drive for powered landing gear with cross-port disable valve travel limiter
DE102014013449B4 (de) 2014-09-16 2017-05-04 Ssw Schmack Spezialwerkzeuge Gmbh & Co. Kg Federbeinspanner zum Austausch einer Feder oder eines Stoßdämpfers eines Federbeins eines Kraftfahrzeuges
US10588529B2 (en) 2016-07-08 2020-03-17 General Electric Company ECG monitoring system and method
DE102017100581A1 (de) * 2017-01-13 2018-07-19 Andreas Heiko Gruner Spannvorrichtung zum Spannen einer Schraubenfeder

Also Published As

Publication number Publication date
US20190358797A1 (en) 2019-11-28
DE102017100581A1 (de) 2018-07-19
WO2018130548A1 (fr) 2018-07-19
JP2020505245A (ja) 2020-02-20
US11148267B2 (en) 2021-10-19
EP3568264B1 (fr) 2020-08-12
HRP20201807T1 (hr) 2021-01-22

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