EP1788187B1 - Fangvorrichtung für Verschlussvorrichtung - Google Patents

Fangvorrichtung für Verschlussvorrichtung Download PDF

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Publication number
EP1788187B1
EP1788187B1 EP06019562A EP06019562A EP1788187B1 EP 1788187 B1 EP1788187 B1 EP 1788187B1 EP 06019562 A EP06019562 A EP 06019562A EP 06019562 A EP06019562 A EP 06019562A EP 1788187 B1 EP1788187 B1 EP 1788187B1
Authority
EP
European Patent Office
Prior art keywords
worm wheel
output shaft
auxiliary
auxiliary worm
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06019562A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1788187A2 (de
EP1788187A3 (de
Inventor
Wolfgang Mittermeyer
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.)
Sigl Elektromotoren GmbH and Co KG
Original Assignee
Sigl Elektromotoren GmbH and Co KG
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 Sigl Elektromotoren GmbH and Co KG filed Critical Sigl Elektromotoren GmbH and Co KG
Publication of EP1788187A2 publication Critical patent/EP1788187A2/de
Publication of EP1788187A3 publication Critical patent/EP1788187A3/de
Application granted granted Critical
Publication of EP1788187B1 publication Critical patent/EP1788187B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7009—Rotary binding cam or wedge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7009—Rotary binding cam or wedge
    • Y10T403/7011—Radially interposed shim or bushing
    • Y10T403/7013—Arcuate slip
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19698—Spiral
    • Y10T74/19828—Worm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19893—Sectional
    • Y10T74/19944—Shaft-admitting insert

Definitions

  • the invention relates to a safety device for closure devices, such as gates, according to the preamble of claim 1. From the DE 29812074 U Such a safety gear is known.
  • Such safety devices serve as fall protection for closure devices, which are equipped with a non-rotatably connected to a winding shaft wear shaft worm wheel and a self-locking screw, which is in communication with a drive shaft.
  • Such capture devices are used in gates whose sash weight is not compensated by springs, to ensure their safe operation.
  • a crash of the door leaf is prevented.
  • Such safety gears can be mounted directly on the door shaft or integrated in the drive.
  • Integrated safety devices have already become known which, in the event of a suspension element breakage, catch the load via a second, load-free, revolving worm wheel set. Furthermore, catching mechanisms are known in which an auxiliary worm wheel Runs (approximately) load-free and twisted in the case of a Tragstoffbruchs relative to Schwarzneckenrad. As a result, on the one hand spring-loaded bolts are released to lock into corresponding pockets that are suitable to intercept the load form fit. According to another alternative rotatably mounted clamping pieces can be rotated so that they create radially against the housing wall and bring the load frictionally to a stop.
  • the safety device is that two arranged on the winding shaft worm wheels are each driven by a separate worm.
  • a screw drive as a working drive is constantly under load, while the other Schnekken drive runs as an auxiliary worm drive unloaded.
  • the self-locking and limited axially displaceably mounted auxiliary screw is self-load with its auxiliary worm wheel in combination.
  • the auxiliary worm drive comes under load, at the same time interrupting the transmission of the drive torque to the auxiliary worm is interrupted at a predetermined breaking point.
  • the auxiliary worm comes to rest on a housing-fixed stop pin.
  • the drive worm and the auxiliary worm are mounted on parallel, separate shafts whose kinematic connection consists of a spur gear. Because of the second worm shaft, its drive and the necessary bearings builds this known safety gear quite expensive.
  • This complex structure is simplified in that only one worm wheel is provided, which meshes with the self-locking screw on the one hand and the auxiliary check on the other hand.
  • Both snails are here designed as globoid half snails.
  • the self-locking screw and the auxiliary screw are arranged one behind the other on a common working shaft.
  • the self-locking screw forms a non-rotatable with the drive shaft Unit, while the auxiliary worm constantly runs over a driver unloaded and is mounted axially displaceable to compensate for the wear on the self-locking screw between fixed to the housing stops. If the self-locking screw breaks, the self-locking auger, which serves as a snail, supports the load against its stops.
  • Object of the present invention is to provide a safety gear of the type described above, which allows the simplest possible reliability with the simplest possible design.
  • a safety gear according to the features of claim 1. Accordingly, for a closure device, such as a gate, serving safety gear has a rotatably connected to an output shaft serving as a winding shaft worm wheel and a self-locking screw, which is in communication with a drive shaft. On an eccentric portion of the output shaft, an auxiliary worm wheel is additionally placed with play, wherein the auxiliary worm wheel also has an eccentricity of the same amount as the output shaft and is mounted such that cancel the eccentricities relative to the axis of the output shaft, the auxiliary worm wheel over a toothed area load can follow the movement of the Schnekkenrades.
  • the auxiliary worm wheel serving as a safety is not subject to wear during normal operation. If the worm wheel connected by rotation with the output shaft comes to the support element break due to wear or overload, the auxiliary worm wheel turns relative to the eccentric of the output shaft. As a result, the outer diameter of the auxiliary worm wheel moves out of a concentric position.
  • the eccentricity of the output shaft and the auxiliary worm wheel is designed so that a self-locking occurs.
  • the auxiliary worm wheel moves during movement from its concentric position out against a cylindrical portion of the gear housing.
  • the eccentricity is designed here so that the self-locking occurs between auxiliary worm wheel and gear housing.
  • the safety gear Since the entire safety gear consists of only one part, namely the attached auxiliary worm wheel, this is very easy and inexpensive to assemble.
  • the safety gear operates independently of the speed, direction of rotation and mounting position of the transmission and speaks continuously, that is independent of the division of any locking devices.
  • areas can be provided on the auxiliary worm wheel, which are specifically deformable.
  • FIG. 1 According to the exploded view in FIG. 1 is the safety gear on an output shaft 10, which in FIG. 1 only partially shown, arranged.
  • Output shaft 10 On this Output shaft 10 is seated a worm wheel 12 which is non-rotatably slidable via a Nutfederfact 14 to the output shaft.
  • the output shaft additionally has a region 16 which is aligned eccentrically to the axis 18 of the output shaft.
  • an auxiliary worm wheel 20 can be pushed with slight play, which has an eccentric bore 22.
  • the eccentricities of the output shaft portion 16 and the bore 22 of the auxiliary worm wheel 20 approximately cancel each other with respect to the output shaft 18, so that the outer diameter of the worm gear 12 and the auxiliary worm wheel 22 are concentric.
  • the auxiliary worm wheel 20 can follow its toothed region 24 of the force applied to the worm wheel 12 by means of a worm connected to a drive shaft 12 without load and thus without wear.
  • the auxiliary worm wheel 20 rotates due to the load against the eccentric 16 of the output shaft 10. This rotation is made possible by the game between the eccentric bore 22 and the eccentric portion 16. Due to this twisting movement, the outer diameter 26 of the auxiliary worm wheel 20 moves out of its concentric position and presses against a cylindrical region 28 (cf. FIG. 4 ) of the transmission housing.
  • the eccentricity of the eccentric portion 16 of the output shaft 10 and the eccentric bore 22 of the auxiliary worm wheel 20 are designed so that a self-locking occurs between auxiliary worm wheel 20 and gear housing.
  • the resulting radial forces are based on correspondingly applied to the output shaft 10 bearings 30 and 32 on the transmission housing and thus prevent further rotation of the output shaft 10 relative to the auxiliary worm wheel 24.
  • the load acting as torque on the drive shaft 10 frictionally braked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Thermistors And Varistors (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP06019562A 2005-11-22 2006-09-19 Fangvorrichtung für Verschlussvorrichtung Active EP1788187B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005018238U DE202005018238U1 (de) 2005-11-22 2005-11-22 Fangvorrichtung für Verschlussvorrichtung

Publications (3)

Publication Number Publication Date
EP1788187A2 EP1788187A2 (de) 2007-05-23
EP1788187A3 EP1788187A3 (de) 2008-11-26
EP1788187B1 true EP1788187B1 (de) 2009-12-02

Family

ID=37685256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06019562A Active EP1788187B1 (de) 2005-11-22 2006-09-19 Fangvorrichtung für Verschlussvorrichtung

Country Status (7)

Country Link
US (1) US7669499B2 (pt)
EP (1) EP1788187B1 (pt)
CN (1) CN1991126B (pt)
BR (1) BRPI0604825B1 (pt)
DE (2) DE202005018238U1 (pt)
ES (1) ES2336591T3 (pt)
ZA (1) ZA200609640B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272395B1 (en) * 2009-07-10 2013-01-02 Albéa Services A cosmetic applicator
CN108626314B (zh) * 2018-07-07 2023-09-01 嘉兴易控智能科技有限公司 一种用于蜗轮蜗杆减速机的断齿安全机构
US20230193689A1 (en) * 2021-12-20 2023-06-22 Cornellcookson, Llc Operator governor release for fire shutters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335606A (en) * 1942-09-04 1943-11-30 Michigan Tool Co Worm-gear mounting
BE795487A (fr) * 1972-05-08 1973-05-29 Gfa Antriebstechnik G M B H Dispositif de verrouillage pour un mecanisme enrouleur
DE3129648C2 (de) * 1981-07-28 1985-05-30 W. u. H. Neukirchen GmbH & Co KG, 4060 Viersen Sicherungsvorrichtung gegen ungewolltes Abrollen eines Rolltores
DE3223196A1 (de) * 1982-06-22 1983-12-22 Ernst Wagner Kg, 7410 Reutlingen Fahrzeug mit 2 lenkbaren raedern
US4586393A (en) * 1984-03-07 1986-05-06 Quick-Set Incorporated Minimum fit worm and gear drive
DE3433561C1 (de) 1984-09-13 1986-03-20 GfA - Antriebstechnik GmbH, 4000 Düsseldorf Fangvorrichtung
US4686863A (en) * 1985-02-08 1987-08-18 Tokico Ltd. Rotary actuator
US5104141A (en) * 1991-03-11 1992-04-14 Northstar Manufacturing Company, Inc. Alignment device for double eccentric CAM arrangement
CN2146472Y (zh) * 1993-01-15 1993-11-17 广东省佛山市商业机械厂 电梯曳引机
GB9718574D0 (en) * 1997-09-03 1997-11-05 Lucas Ind Plc Improvements relating to gears
DE29812074U1 (de) * 1998-07-07 1998-12-03 MARANTEC Antriebs- und Steuerungstechnik GmbH & Co. Produktions-KG, 33428 Marienfeld Fangvorrichtung

Also Published As

Publication number Publication date
BRPI0604825A (pt) 2007-09-04
CN1991126A (zh) 2007-07-04
DE502006005498D1 (de) 2010-01-14
DE202005018238U1 (de) 2007-04-05
EP1788187A2 (de) 2007-05-23
BRPI0604825B1 (pt) 2019-05-07
CN1991126B (zh) 2011-12-28
US20070143964A1 (en) 2007-06-28
US7669499B2 (en) 2010-03-02
ES2336591T3 (es) 2010-04-14
ZA200609640B (en) 2008-04-30
EP1788187A3 (de) 2008-11-26

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