EP1035636A1 - Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen - Google Patents

Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen Download PDF

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Publication number
EP1035636A1
EP1035636A1 EP99440049A EP99440049A EP1035636A1 EP 1035636 A1 EP1035636 A1 EP 1035636A1 EP 99440049 A EP99440049 A EP 99440049A EP 99440049 A EP99440049 A EP 99440049A EP 1035636 A1 EP1035636 A1 EP 1035636A1
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EP
European Patent Office
Prior art keywords
pinion
satellites
drive
spring
piece
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Withdrawn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
EP99440049A
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English (en)
French (fr)
Inventor
Patrick Bouchar
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.)
Matra Manufacturing and Services SAS
Original Assignee
Matra Automobile SA
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 Matra Automobile SA filed Critical Matra Automobile SA
Priority to EP99440049A priority Critical patent/EP1035636A1/de
Publication of EP1035636A1 publication Critical patent/EP1035636A1/de
Withdrawn legal-status Critical Current

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    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • 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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

Definitions

  • the present invention relates to the field of active control of relative movements of elements, in particular the speed of relative movement, and relates to a device for regulating the speed of a movement, in particular of the relative movement between two elements.
  • Hydraulic shock absorbers provide support correct movement and regulation thereof. However, they cannot ensure a constant speed of the moving part or element throughout the duration of movement, so that in extreme positions said movement is carried out in an excessively abrupt or excessively braked manner, which may be detrimental to the proper functioning of devices so equipped. In addition, hydraulic shock absorbers are sensitive to variations in temperatures, which also affects their proper functioning.
  • the torsion springs realize unidirectional movements, but, by the very fact of their mode of operation, they are not suitable for a speed regulation allowing smooth movement support, at constant speed, their effect being maximal in a given extreme position and minimal in the other.
  • the object of the present invention is to overcome these drawbacks by proposing a device for regulating the speed of a movement, in particular relative movement between two elements, wherein said movement is perfectly controlled throughout its course and whatever the load on the elements.
  • the device for regulating the speed of a movement, in particular of the relative movement between two elements essentially constituted by two coaxial bodies, mounted on a common central axis and each cooperating with one of the elements and interconnected with the possibility of rotation around their common axis, these bodies being in drive connection with a means electromagnetic relative speed control via a overdrive transmission device housed in the body and constituted by planetary gear trains, the body being constituted by a piece of connection to one of the elements, whose relative movement is to be regulated, by a part cylindrical intermediate connected at one end to the connecting piece and by a end piece connected to the other end of the intermediate piece and surrounding the body linked to the other of the elements whose relative movement is to be regulated, with possibility of free rotation with respect to said body, characterized in that the means electromagnetic relative speed regulation between the two bodies is mounted on the central axis common to the latter, and in that the kinematic chain formed by planetary gear trains incorporates a torque limitation drive.
  • Figures 1, 4 and 5 of the accompanying drawings show more particularly, by way of example, a device for regulating the speed of a movement, in particular of the relative movement between two elements, which is essentially consisting of two coaxial bodies 1 and 2, mounted on an axis common central 5 and each cooperating with one of the elements and interconnected with the possibility of rotation about their common axis, these bodies 1 and 2 being in drive link with an electromagnetic means 3 for regulating the relative speed via a transmission device at overdrive housed in body 1 and consisting of trains epicyclic.
  • the body 1 is constituted by a piece 1 'of connection to one of the elements, the relative movement of which is to be regulated, by an intermediate piece cylindrical 1 "connected at one end to the connecting piece 1 'and by a piece end 1 ′′′ connected to the other end of the intermediate piece 1 "and surrounding the body 2 linked to the other, 4, elements whose relative movement is to be regulated, with possibility of free rotation with respect to said body 2.
  • the electromagnetic means 3 of relative speed regulation between the two bodies 1 and 2 is mounted on the axis central 5 common to the latter, and the kinematic chain formed by the trains planetary gear incorporates a torque limiting drive 12.
  • the overdrive transmission device consists of a first planetary gear train, carried by the body 2, rigidly connected to the fixed element 4, and whose satellites 6 mesh, on the one hand, with a ring gear 7 provided at inside the end piece 1 ′′′ of the body 1 and, on the other hand, with a pinion X mounted on the central axis 5, this pinion 8 forming a second planet carrier, of which the satellites 9 mesh with a second inner ring gear 10 of the end piece 1 ′′′ of the body 1, of larger diameter than the ring gear 7, and with a pinion 11 secured to one end of the drive with limitation of couple 12, the other end of which forms a third planetary train, the satellites 13 mesh with an internal ring gear 14 of the part cylindrical intermediate 1 'of the body 1 and with a pinion 15 forming a fourth driving planet carrier, via its satellites 16 meshing also with the inner ring gear 14 of the intermediate piece cylindrical 1 'of the body 1, a pinion 17 secured to
  • the kinematic chain formed by planetary gear trains advantageously incorporates a drive to torque limitation 12.
  • Such training makes it possible to absorb overloads possible during the relative maneuver of the two bodies 1 and 2 and thus avoid a possible rupture of a part by interruption of the kinematic chain upstream electromagnetic means 3 for regulating the relative speed.
  • the torque limiting drive 12 is disengageable in at least one direction training.
  • this chain can be interrupted by disengagement of the electromagnetic means 3 for regulating the relative speed and the relative movement can be performed without hindrance at any speed.
  • the torque limitation drive 12 is in the form of a torque limiter spring torque.
  • a torque limiter is advantageously constituted by a trigger cage 18 mounted with free rotation on a flange secured to the pinion 11 meshing with the satellites 9 of the second planet carrier and cooperating. on the one hand, with the end of a drive spring 19 frictionally mounted on a drive ring 20 tightened on a sleeve 21 provided with a flange carrying the satellites 13 of the third planetary train and, on the other hand, with a means 22 for triggering the spring 19 for driving the sleeve 21 (FIGS. 2 and 3) housed in the space delimited by the trigger cage 18 between the sleeve 21 and the flange secured to the pinion 11 meshing with the satellites 9 of the second planet carrier.
  • the drive ring 20 is advantageously provided with a frustoconical part for receiving the drive spring 19, the diameter of which increases from the end of the spring 19 cooperating with the cage release 18 in the direction of the flange secured to the pinion 11 meshing with the satellites 9 of the second planet carrier. Furthermore, the other end of the drive spring 19 extends freely beyond the larger end diameter of the drive ring 20, in the space delimited by the cage trigger 18. Thus, during a rotation of the trigger cage 18, in the direction of arrow F1, the drive spring 19 is tightened on the ring drive 20 due to mounting friction and drives the latter. together with the flange carrying the satellites 13 of the third planetary gear.
  • the means 22 for triggering the spring 19 for driving the sleeve 21, with the flange carrying the satellites 13 of the third train epicyclic, through the trigger cage 18, is formed, on the one hand, by a calibrated torsion spring 22 ', mounted on a concentric guide 23 of the flange secured to the pinion 11 meshing with the satellites 9 of the second planet carrier, cooperating at one end with said trigger cage 18 and secured at its other end to a stop 24 provided on the support flange of the concentric guide 23, and, on the other hand, by a stop 25 for retaining tension calibration of the end of the torsion spring 22 'cooperating with the cage trigger 18, said stop 25 actuating, when the torque is exceeded predetermined, the free end of the drive spring 19 extending in a space in a portion of a circle located on the side of the stop opposite to that in contact with the end of the torsion spring 22 '.
  • This mounting of the triggering means 22 of the drive spring 19 allows a drive with torque limitation by action of the torsion spring 22 'on the trigger cage 18, with transmission of the force by the latter on the drive spring 19 acting on the ring 20 and, therefore, on the flange carrying the satellites 13 of the third planetary gear.
  • the trigger cage 18 mounted with free rotation on the flange secured to the pinion 11 meshing with the satellites 9 of the second planet carrier, is driven by the torsion spring 22 'and in turn drives the spring 19, which transmits the torque as described above.
  • This drive assembly also makes it possible to make the drive 12 detachable.
  • FIGS. 4 and 5 of the accompanying drawings show a variant of embodiment of the invention, in which the torque limiting drive 12 is in the form of a friction drive constituted by a first friction cone 26 secured to the pinion 11 meshing with the satellites 9 of the second planet carrier, by a second friction cone 27 mounted for free rotation on a bearing secured to the first cone 26 and by a sleeve 28 provided with an inner surface with double taper cooperating with the conical surfaces of the cones 26 and 27, the second friction cone 27 being loaded by a flexible washer 27 'bearing on an intermediate disc 29 carrying the satellites 13 of the third train epicyclic.
  • a friction drive constituted by a first friction cone 26 secured to the pinion 11 meshing with the satellites 9 of the second planet carrier, by a second friction cone 27 mounted for free rotation on a bearing secured to the first cone 26 and by a sleeve 28 provided with an inner surface with double taper cooperating with the conical surfaces of the cones 26 and 27, the second friction cone 27 being loaded by a
  • the latter is provided with a connecting means elastic 30 between the intermediate disc 29 and the sleeve 28 cooperating with the cones 26 and 27, this elastic connection means 30 being in the form of a spring torsion applied, in the service position, between a shoulder of the disc intermediate 29 and one face of the sleeve 28.
  • the second cone 27 is pushed towards the first cone 26, tightening the sleeve 28 on the two conical surfaces and, this fact, a training, while, in the case of a sudden movement in direction reverse, the spring forming the elastic means 30 tends to be loosened, so that the pressure of the second cone 27 on the sleeve 28 and of the latter on the cone 26 is canceled and that the drive 12 is completely disengaged.
  • the electromagnetic means 3 is advantageously in the form of a electromagnetic eddy current brake consisting of a rotating disc 31 mounted on a shaft 32, one end of which carries the pinion 17 meshing with the satellites 16 of the fourth planet carrier, and by fixed magnets 33 arranged on either side of the disc 31 and clamped in the cylindrical intermediate piece 1 "of the body 1 by a rear flange 34 and a cylindrical spacer 35.
  • the part 1 'connecting to one of the elements whose relative movement is to be regulated is secured to the cylindrical intermediate piece 1 "by means of spring claws 36 or the like, while said part intermediate 1 "is screwed by its other end into the corresponding end of the end piece 1 ′′′.
  • the three parts forming the body 1 are joined together in rotation.
  • FIGS. 1, 4 and 5 relate to a connection of two hinged parts, particularly suitable for controlling the movement of a part such as a shutter, gate or the like. However, it is also possible to control a linear movement by means of the device according to the invention.
  • the movable body 1 has a connecting piece 1 'provided with a pinion 37 guided in a bearing 38 and secured to the end of the cylindrical intermediate piece 1 "(shown partially in the Figure 6), said bearing 38 being fixed to a connection means 39 carrying, in in addition, a gear train 40, one of the pinions 41 of which cooperates with the pinion 37 and whose other pinion 42 cooperates, with a view to transforming movement, with a rack 43 guided in translation on the connection means 39 and linked at one end with a part 44, the movement of which is to be controlled. So it is possible to translate the part 44 and check the speed of this movement by means of the regulating device operating by rotation.
  • the rack 43 is shown in the form of a rectilinear rack. It is, however, also possible to carry out the rack in a curvilinear form. Such a rack 43 thus makes it possible to control a movement of a part which is offset from the device well said.
  • the regulating device according to the invention operates from the next way.
  • the satellites 6, 9, 13 and 16 are rotated by the toothed rings 7, 10 and 14, respectively of the end piece 1 ′′′ and of the intermediate piece cylindrical 1 "from body 1, which results in the fact that body 2 is fixed, to train the planet carriers of satellites 9, 13 and 16, as well as the torque limiting drive 12 and the disc 31 of the means electromagnetic 3, with progressive speed multiplication, in direction contrary to this movement.
  • the invention it is possible to regulate the speed of movement, rotary or straight, by means of a rotary device involving an electromagnetic regulation means with a current of Foucault.
  • a rotary device involving an electromagnetic regulation means with a current of Foucault.
  • This device is more particularly applicable for automatic closing of gates or the like intended to be opened cyclically, but generally to be closed.
  • it is also applicable to the regulation of movements other parts, especially to avoid sudden movements.
EP99440049A 1999-03-10 1999-03-10 Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen Withdrawn EP1035636A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99440049A EP1035636A1 (de) 1999-03-10 1999-03-10 Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99440049A EP1035636A1 (de) 1999-03-10 1999-03-10 Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen

Publications (1)

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EP1035636A1 true EP1035636A1 (de) 2000-09-13

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EP99440049A Withdrawn EP1035636A1 (de) 1999-03-10 1999-03-10 Vorrichtung zur Steuerung der Relativgeschwindigkeit, insbesondere der Relativgeschwindigkeit von zwei Elementen

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699369A (en) * 1971-06-21 1972-10-17 Singer Co Temperature compensated adjustable damper unit
EP0081189A2 (de) * 1981-12-05 1983-06-15 Karl-Heinz Linnig Vorrichtung zum Abbremsen von Gegenständen
DE3506740A1 (de) * 1985-02-26 1986-08-28 Dictator Technik - Ruef & Co, 8902 Neusäß Rotationsdaempfer fuer schliessantriebe von schwenktueren, schiebetueren oder dergleichen
EP0212381A1 (de) * 1985-08-10 1987-03-04 Black & Decker Inc. Drehmomentbegrenzer mit regulierbarem Grenzmoment
EP0278865A2 (de) * 1987-02-09 1988-08-17 Samuel Feller Reduktions- und Bremsvorrichtung zur Bedienung von Rolläden oder ähnlichem
US5052988A (en) 1990-11-16 1991-10-01 Aisin Aw Co., Ltd. Differential control system
DE4202415C1 (en) * 1992-01-29 1993-07-22 Walter Prof. Dipl.-Ing. 4630 Bochum De Schroeder Load torque limiting coupler - has coil spring element with stop such that coils separate when limit is reached
FR2768242A1 (fr) * 1997-09-08 1999-03-12 Flash Dispositif de regulation de la vitesse d'un mouvement, en particulier du mouvement relatif entre deux elements

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699369A (en) * 1971-06-21 1972-10-17 Singer Co Temperature compensated adjustable damper unit
EP0081189A2 (de) * 1981-12-05 1983-06-15 Karl-Heinz Linnig Vorrichtung zum Abbremsen von Gegenständen
DE3506740A1 (de) * 1985-02-26 1986-08-28 Dictator Technik - Ruef & Co, 8902 Neusäß Rotationsdaempfer fuer schliessantriebe von schwenktueren, schiebetueren oder dergleichen
EP0212381A1 (de) * 1985-08-10 1987-03-04 Black & Decker Inc. Drehmomentbegrenzer mit regulierbarem Grenzmoment
EP0278865A2 (de) * 1987-02-09 1988-08-17 Samuel Feller Reduktions- und Bremsvorrichtung zur Bedienung von Rolläden oder ähnlichem
US5052988A (en) 1990-11-16 1991-10-01 Aisin Aw Co., Ltd. Differential control system
DE4202415C1 (en) * 1992-01-29 1993-07-22 Walter Prof. Dipl.-Ing. 4630 Bochum De Schroeder Load torque limiting coupler - has coil spring element with stop such that coils separate when limit is reached
FR2768242A1 (fr) * 1997-09-08 1999-03-12 Flash Dispositif de regulation de la vitesse d'un mouvement, en particulier du mouvement relatif entre deux elements

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