EP1812732A1 - Entrainement lineaire - Google Patents

Entrainement lineaire

Info

Publication number
EP1812732A1
EP1812732A1 EP05771354A EP05771354A EP1812732A1 EP 1812732 A1 EP1812732 A1 EP 1812732A1 EP 05771354 A EP05771354 A EP 05771354A EP 05771354 A EP05771354 A EP 05771354A EP 1812732 A1 EP1812732 A1 EP 1812732A1
Authority
EP
European Patent Office
Prior art keywords
actuator
threaded rod
standard threaded
net
drive
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.)
Withdrawn
Application number
EP05771354A
Other languages
German (de)
English (en)
Inventor
Eduard Marthaler
Markus Schmidig
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.)
Belimo Holding AG
Original Assignee
Belimo Holding AG
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 Belimo Holding AG filed Critical Belimo Holding AG
Publication of EP1812732A1 publication Critical patent/EP1812732A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • 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
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18624—Plural inputs, single output

Definitions

  • the invention relates to an actuator for the linear actuation of a device by means of a longitudinally displaceable under implementation of the torque of a motor-driven pinion Tangentialstange, in particular for a flap or valve in the field heating-ventilation-climate (HVAC), fire and smoke protection ,
  • HVAC field heating-ventilation-climate
  • HVAC actuators for the motorization of actuators in heating, ventilation and air conditioning systems (HVAC systems) have been manufactured for more than 30 years. HVAC actuators ensure an economical volume flow control of gases or liquids, in particular of air and water. As a compact unit, the HVAC actuators usually comprise not only the drive, but also pressure sensors and regulators, all in one unit.
  • Ventilation systems are increasingly used in buildings, especially residential, office, commercial and industrial buildings, usually combined with fire and smoke protection devices.
  • the volumetric flow control with pivotable air dampers plays an essential role.
  • the volume flow is measured with a suitable measuring instrument, for example with the NMV-D2M from Belimo Automation AG, CH-8340 Hinwil, designed as a compact unit of drive, pressure sensor and controller, and the measured values are passed on to an electronic unit.
  • DE 10160056 A1 describes a toothed wheel drive system actuated by an electric motor, which serves to actuate a flap of a heating, ventilating and air conditioning system.
  • the worm-shaped axis of a motor transmits the torque to a helical aus ⁇ formed axis, in which engages the toothing of a gear.
  • This rotatable second screw has a radial stabilizing unit, which cooperates with a photoelectric sensor device. The entire system is aligned with non-displaceable, rotating worm drives in the axial direction.
  • the inventors have set themselves the task of creating an actuator of the type mentioned, which is inexpensive to manufacture and ben betrei ⁇ and is versatile.
  • a customizable, displaceable in its axial direction standard threaded rod with a radius r is held secured against rotation in the actuator, the pinion with a freely rotatably mounted drive wheel is in positive engagement, and formed a resilient and / or adjustable An horrorgan is, which causes a backlash-free meshing of drive wheels and standard threaded rod.
  • Special and further developing embodiments of the actuator are the subject of dependent claims.
  • Standard threaded rods are widely available in terms of length, diameter, material, tooth shape, pitch and direction in the trade. Special threads, such as double-threaded threads, can also be obtained as cut-to-length mass products.
  • Simple standard threaded rods are up to twenty times cheaper than specially manufactured racks, for example according to US 5836205. Further, conventional racks have a certain length, which varies depending on the use, different types of bearings must be kept, which adds to the costs drives. According to the invention, on the other hand, only standard threaded rods not corresponding to the useful length need to be held in stock, which can be cut off at any time without problems in any required dimension.
  • the drive wheel expediently has a geometry of the standard threaded rod exactly abgonelzbaren, convex curved outer shell. As a result, the system also has a very high ease of movement when pressed against each other. With nuts self-locking standard threaded rods are not self-locking with drive wheels according to the invention and also less susceptible to dirt.
  • threaded rods are with respect to the housing or the folded end walls of the base plate overhanging and pass through a hole on both sides, preferably with play.
  • the bore has a radius r + ⁇ r.
  • the threaded rod is flexibly mounted in the transverse direction, but has a defined lateral force limitation, which depending on the use of the actuator larger or smaller.
  • the standard threaded rod can have a detachable and preferably adjustable travel limit at both ends, for example in the form of a nut, which is secured with a lock nut.
  • an anti-twist device of the standard threaded rod is attached to the device to be moved in the longitudinal direction, which is usually only longitudinally displaceable, but not rotatable. This is expediently carried out in a detachable manner, for example via a plate rigidly connected to the standard threaded rod or an angle.
  • the cut-to-length standard threaded rod can be flattened at least on the inside at a distance from the end faces in the axial direction, i. the area of the front sides of the standard threaded rod remains advantageously unchanged.
  • the threaded rod can be halved over the entire length. This can be done to facilitate the longitudinal displacement of the Antikorgans on the Gewinde ⁇ rod.
  • simple pressure rollers with a convex outside can be used universally.
  • the pressure member may, as mentioned above, be of any design, in principle also sliding, but preferably rolling. In practice, this is expediently carried out with at least one, preferably two, spaced-apart pressure rollers. These are with an unchanged standard threaded rod ador ⁇ way with concave circumferential toothed or toothless cylindrical Mantel ⁇ surface formed.
  • the pressure rollers are preferably arranged opposite a drive wheel. However, a pinch roller can also lie between two drive wheels.
  • the following variants arise in particular:
  • This embodiment allows a swinging standard threaded rod. This must be guided by lateral force limitations, as mentioned, this is done, for example, by means of bores, but also by longitudinal slots which limit the movements, in particular the pendulum movements, of the standard threaded rod.
  • the pinch roller can have an optimal effect if it lies in the middle between the driving wheels. This applies accordingly to a drive wheel and two pinch rollers.
  • non-resilient pressure rollers can also be used by recesses of identically formed slots in the base and cover plates of the actuator, preferably in the region of pressure rollers and / or the drive wheels.
  • the pressure rollers can be designed so that they have a circumferential, annular groove which unfolds a spring action.
  • the individual variants can also be combined with one another, provided that the economy is maintained.
  • the number of drive wheels can be varied depending on the application.
  • a single pair of impeller and pinch roller results in a gimbal attachment with great one-dimensional freedom of movement, called commuting.
  • Two drive wheels enable a larger power transmission with the same flank load.
  • FIG. 2 shows a variant of FIG. 1 with cover plate
  • FIG. 4 shows a view of a self-resilient pressure roller resting on a standard threaded rod
  • FIG. 5 shows a cutaway plan view of FIG. 4.
  • An actuator 10 according to FIG. 1 comprises a base plate 12, which in the is formed substantially rectangular. Two tabs of the existing of a metal sheet base plate 12 are bent at right angles and form at least side walls 14. About support post 16 is also made of the same metal sheet cover plate 18 is attached. Mounting tabs 20, each with a bore 22 are used to attach the actuator 10 total.
  • a cut-to-length standard threaded rod 24 engages with play each a bore 26 in the right angles bent side walls 14, it is in the axial direction L, its longitudinal direction, freely displaced.
  • the bore 26 forms a transverse force limit.
  • Two nuts arranged in the region of the front end 30 of the standard threaded rod 24 form a bilateral travel restriction 28 in the axial direction L, e.g. each lock nut, not shown, fixes the nuts.
  • the two side walls 14 form a stop for the travel limits 28, which, as mentioned, may also be designed as a spring-protected sapwood.
  • a motor-driven pinion 32 is mounted, which engages positively in the protruding spur gear 34 of two drive wheels 36 which are freely rotatably mounted in the base 12 and cover plate 18.
  • the standard threaded rod 24 is pressed by two pinch rollers 38 without play on the drive wheels 36 with a concave, toothed outer shell 37. This is done by a swinging leaf spring 40, which is mounted on a Bol ⁇ 42 pivotally. The two ends of the leaf spring 40 um ⁇ wrap the shafts 44 of the pressure rollers 38 and hold them. In normal position, the leaf spring 40 is slightly tensioned.
  • An anti-rotation 46 of the standard threaded rod 24 is angularly stir ⁇ forms.
  • One leg 48 of the anti-twist device 46 is rigidly connected to the standard threaded rod 24, the other leg 50 has a bore 52, which is the releasable attachment to a translationally displaceable, non-rotatable device is used.
  • Fig. 2 shows an actuator 10 with mounted cover plate 18.
  • This Dar-position with its rigid shaft 44 freely rotatable pinch rollers 38 are visible from the front.
  • Slots 54 in the base 12 and cover plate 18 are provided as a pressure member instead of a leaf spring 40 (FIG. 1), which allow a spring action when the pressure rollers 38 are placed on the standard threaded rod 24.
  • These slots 54 are arranged exactly congruent in both plates 12, 18.
  • the pressure rollers 38 are formed in a shape corresponding geometrically to the drive wheels 36, also with respect to the toothing.
  • the anti-twist device 46 is not shown in FIG. 2, but again by means of the translationally displaceable device, wherein the standard threaded rod 24 is screwed into an internal thread and fixed with the travel limiter 28 as a lock nut.
  • 3 and 4 show a view of a side wall 14 folded down from the base plate 12, with a radial section of the standard threaded rod 24.
  • the standard threaded rod 24 with the radius r passes through the bore 26 with clearance coaxially at a distance ⁇ r. If, in a modification of FIG. 2, only its right-hand pressure roller 38 is formed, the bore 26 forms a transverse force limitation for a pendulum movement of the standard threaded rod 24.
  • FIG. 5 shows a specially designed pressure roller 38 which rests on the standard threaded rod 24 shown in the radial section.
  • the shaft 38 is related borrowed a symmetry plane E mirror-symmetrical. It has an annular groove 62, which extends into the region of the shaft 44.
  • two disk-shaped legs 64, 66 are formed, which form a concave outer surface 68.
  • the pressure roller 38 may be formed in two or more parts. In a two-part along the plane E An ⁇ pressure roller 38, the two halves are compressed by spring force. When pressed, the holding forces are overcome, the legs 64, 66 open themselves elastically. 4 shows further variants of a resilient Andruckor ⁇ goose.
  • FIGS. 1, 2 and 5 in the form of two spring-mounted pressure rollers 38, slots 54 and resilient disc-shaped legs 64, 66 may be formed individually or combined with each other.
  • the drive rollers 36 / spur gears 34 and / or pressure rollers 38 are made of conventional materials, such as steel or plastic, depending on the requirements, such as. For example, with regard to load, service life, smoothness and machining.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un mécanisme de commande (10) pour l'actionnement linéaire d'un dispositif au moyen d'une tige tangentielle pouvant coulisser longitudinalement par conversion du couple de rotation d'un pignon (32) entraîné par un moteur, destiné notamment à un volet ou à une soupape dans le domaine du chauffage, de la ventilation et de la climatisation ainsi que dans le domaine de la protection contre le feu et la fumée. Selon l'invention, une tige filetée normalisée (24) pouvant coulisser dans le sens axial (L), pouvant être coupée à longueur individuellement, présentant un rayon (r) est maintenue de manière bloquée en rotation dans le mécanisme de commande (10). Le pignon (32) est en prise, par liaison de forme, avec au moins une roue d'entraînement (36) montée de manière à pouvoir tourner librement. Un organe d'appui (38, 54, 64, 66) élastique et/ou réglable provoque un engrènement sans jeu des roues d'entraînement (36) et de la tige filetée normalisée (24).
EP05771354A 2004-09-02 2005-08-22 Entrainement lineaire Withdrawn EP1812732A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14482004 2004-09-02
PCT/CH2005/000487 WO2006024183A1 (fr) 2004-09-02 2005-08-22 Entrainement lineaire

Publications (1)

Publication Number Publication Date
EP1812732A1 true EP1812732A1 (fr) 2007-08-01

Family

ID=35197855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05771354A Withdrawn EP1812732A1 (fr) 2004-09-02 2005-08-22 Entrainement lineaire

Country Status (4)

Country Link
US (1) US20070295125A1 (fr)
EP (1) EP1812732A1 (fr)
CN (1) CN101103214A (fr)
WO (1) WO2006024183A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100056039A1 (en) * 2007-04-12 2010-03-04 Belimo Holding Ag Drive system for a fire protection flap
EP2454049A2 (fr) * 2009-07-17 2012-05-23 Robert A. Samac Appareil automatisé ajustable de montage de pièce à usiner sur une machine-outil
US9062893B2 (en) 2011-05-13 2015-06-23 Johnson Controls Technology Company Speed adjustment of an actuator for an HVAC system
CN103016628B (zh) * 2011-09-23 2016-01-20 周世勃 一种专用于单自由度太阳跟踪系统的传动装置
EP2626593B1 (fr) * 2012-02-10 2014-07-30 EADS Construcciones Aeronauticas, S.A. Actionneur électromécanique
CN102809322B (zh) * 2012-08-22 2014-06-18 博广热能股份有限公司 便携式列管换热器清灰装置
WO2016106327A1 (fr) 2014-12-22 2016-06-30 Vermeer Manufacturing Company Ensemble chariot positionnable
CH713390A1 (de) 2017-01-27 2018-07-31 Belimo Holding Ag Linearantrieb und Verfahren zum Montieren eines solchen Linearantriebes.
CN107826282B (zh) * 2017-10-31 2019-09-10 保定申辰泵业有限公司 一种高精度自动灌装装置
FR3080234B1 (fr) * 2018-04-13 2021-09-24 Mmt ag Actionneur electrique compact lineaire et a chaine cinematique elastique

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Also Published As

Publication number Publication date
WO2006024183A1 (fr) 2006-03-09
US20070295125A1 (en) 2007-12-27
CN101103214A (zh) 2008-01-09

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