EP1543925B1 - Ensemble moteur et unité de contrôle d'un tournevis motorisé avec embrayage limitateur de couple - Google Patents

Ensemble moteur et unité de contrôle d'un tournevis motorisé avec embrayage limitateur de couple Download PDF

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Publication number
EP1543925B1
EP1543925B1 EP04007180A EP04007180A EP1543925B1 EP 1543925 B1 EP1543925 B1 EP 1543925B1 EP 04007180 A EP04007180 A EP 04007180A EP 04007180 A EP04007180 A EP 04007180A EP 1543925 B1 EP1543925 B1 EP 1543925B1
Authority
EP
European Patent Office
Prior art keywords
housing
motor
control unit
operator control
handle
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
EP04007180A
Other languages
German (de)
English (en)
Other versions
EP1543925A2 (fr
EP1543925A3 (fr
Inventor
Albert Kipfelsberger
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.)
Alki Technik Schraubsysteme GmbH
Original Assignee
Alki Technik Schraubsysteme GmbH
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 Alki Technik Schraubsysteme GmbH filed Critical Alki Technik Schraubsysteme GmbH
Publication of EP1543925A2 publication Critical patent/EP1543925A2/fr
Publication of EP1543925A3 publication Critical patent/EP1543925A3/fr
Application granted granted Critical
Publication of EP1543925B1 publication Critical patent/EP1543925B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • the invention relates to a motor / operating unit of a Abschaltschraubers according to the preamble of claim 1, as they, also in the WO 03/000 470 A1 will be shown.
  • shut-off wrenches are power wrenches, in particular for the production of heavy screw connections with predetermined tightening torques and for the release of such screw connections.
  • Such shut-off wrench have a motor control unit and a power transmission connected thereto, on which a support foot is plugged as a torque transducer.
  • the power transmission also has a driven tool approach, preferably a drive square for attaching nuts and / or connectors.
  • the motor / control unit consists of a housing and an electric motor contained therein with a stator and a rotor. Furthermore, a fan, a control electronics unit as well as operating and display elements are contained in the housing. In addition, at least one handle is attached to the housing.
  • the housing of the motor / operating unit is cylindrical-cylindrical, wherein the electric motor, the fan and the control electronics unit each in Axial direction one behind the other are mounted and mounted.
  • effective cooling of the operationally heating in the housing components requires a relatively high cost.
  • the assembly of the components in the cylinder tube housing is relatively complicated.
  • the object of the invention is to provide a motor / control unit of a shut-off screw, which is improved in terms of handling and use of Abschaltschraubers and component cooling and mounting compared to the prior art.
  • the housing has a cylinder basic shape and the stator, the rotor and the fan are each arranged with their axes coaxial with the cylinder axis.
  • an integrally formed handle in the manner of a pistol grip, protrudes approximately radially from the basic cylinder shape of the housing.
  • an electronics receiving box for the control electronics unit is formed on the housing, which also protrudes approximately radially from the cylinder base shape. Between the handle and the electronics receiving box a hand-through clearance is cut out.
  • This inventive housing shape is a much more compact and shorter construction of the engine / operating unit and thus the entire shut-off screw possible.
  • the control electronics unit is accommodated in the radially formed electronics receiving box, resulting in a clear and easy to assemble construction of the interior components. Due to the compact design and the small distances between the components to be cooled and the fan, the cost of effective cooling can be reduced.
  • the weight distribution is balanced, so that an ergonomically good two-handed operation is possible, with one hand grasps the handle and the other hand can perform additional support by detecting the electronics receiving box.
  • the housing consists of two respective one-piece housing half-shells, wherein the dividing line extends in a longitudinal plane through the cylinder axis of the cylinder base shape and the handle and the electronics receiving box.
  • the fan housing in which a fan disc (25) runs and / or subsequent fan ducts to the components to be cooled as well as Heilabström and / or Heileinströmö réelleen (15) in the housing walls of the assembled housing half-shells (8a, 8b) formed be easy and inexpensive to provide effective cooling in the housing walls.
  • the stator housing in which the stator is held, is formed in assembled housing half-shells, so that in this Connection further components and other assembly steps can be omitted.
  • the housing half-shells can in principle be connected by means of commonly known connection techniques. According to claim 5, the housing half-shells are releasably connected by screw.
  • a preferred low weight in conjunction with the required stability is achieved according to claim 6, in that the housing, in particular the housing half-shells are manufactured in aluminum casting technique.
  • the dimensioning of the electronics receiving box according to claim 8 is advantageous for the accommodation of the control electronics unit and at the same time for the ergonomic two-hand operation. This is further improved by the fact that according to claim 9 on the longitudinal sides of the electronics receiving box handle longitudinal grooves Vietnameseausström- and Heilausström- and Heileinströmötechnisch are arranged.
  • the housing has an opening in the vadial a blocking pin is screwed on. Without a blocking pin, the motor / operating unit can be rotated independently of the position of the torque transducer and the power transmission. When attached blocking pin, however, a rigid connection and fixation the engine / control unit made with the power transmission.
  • Fig. 1 is a shut-off screwdriver 1, with a motor / control unit 2 and a connected power transmission 3, which has a ring gear 4 for attaching a support foot as a torque transducer 5 end.
  • an output square 6 is shown, for attaching nuts or the illustrated standard connector. 7
  • Fig. 2 Also in the side view of Fig. 2 the shut-off screwdriver 1 with its motor / operating unit 2 and the power transmission 3 is shown. In Fig. 3 the rear view of the engine / control unit 2 is shown.
  • the housing 8 of the engine / operating unit 2 has a basic cylinder shape, wherein on the power transmission 3 opposite Genzousend Scheme a handle 9 in the Type of pistol grip protrudes approximately radially from the cylinder base shape of the housing 8.
  • an electronics receiving box 10 is formed, which also protrudes approximately radially from the cylinder base shape of the housing 8, wherein between handle 9 and electronics receiving box 10, a hand-held clearance 11 recessed is.
  • the housing 8 is composed of two housing shells 8a, 8b which are in each case integral with the dividing line 12 extending in a longitudinal plane through the cylinder axis 13 and the handle 9 and the electronics receiving box 10.
  • the electronics receiving box 10 has approximately a width corresponding to the diameter of the cylinder base shape and has a radial length which is smaller to equal to that of the handle 9.
  • 10 grip longitudinal grooves 14 and Heilausström- and / or Heileinströmö réelleen 15 are attached to the electronics receiving box.
  • FIG. 4 In the exploded view to Fig. 4 the two housing half-shells 8a and 8b are shown unfolded, wherein in the inner region of the formations for receiving the inner components in assembled housing half-shells 8a, 8b can be seen.
  • the components installed in the axial direction are at the top of the Fig. 4 shown with a bearing ring ball bearing 16, a stator 17 with (not shown) cable and temperature sensors, with a rotor 18 another bearing ring ball bearing 19, a magnet holder 20, a disc 21, a magnet 22, another disc 23, a Sensor board 24, a fan disk 25, a fan 26 with cable and an adjustment control unit 27 with LED electronics or LCD electronics.
  • the rear visible side of the operating unit 27 is in Fig. 3 shown, with a display display 28 and adjustment buttons 28a, in particular for setting the Abschaltcardmomente, the direction of rotation and rotation angles and relaxation processes.
  • the control unit 31 consists in particular of a power module 32, a logic board 33 and a line filter 34.
  • the control electronics unit 31 is in total in the closed housing Half-shells 8a, 8b trained electronics receiving box 10 was added.
  • a radially insertable into a housing opening blocking pin 35 is shown with which a rigid connection and fixation between the power transmission or the torque transducer 5 and the motor / control unit 2 can be produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (10)

  1. Ensemble moteur -unité de contrôle d'un tournevis motorisé, où l'ensemble moteur -unité de contrôle est connecté à un transmetteur de force, sur lequel un pied d'appui est enfilable en tant que releveur de couple et qui présente une saillie d'outil de sortie, de préférence un quatre-pans de sortie pour l'enfilage de pignons et/ou de connecteurs,
    l'ensemble moteur et unité de contrôle présentant un boîtier pour le logement d'un moteur électrique avec un stator et un rotor, d'un ventilateur, d'une unité de commande électronique et d'éléments de contrôle et d'affichage, et
    une poignée étant montée sur le boîtier, caractérisé en ce que
    le boîtier (8) présente une forme de base cylindrique et les axes du stator (17), du rotor (18) et du ventilateur (26) sont disposés respectivement de manière coaxiale à l'axe de cylindre,
    en ce qu'une poignée formée (9) comme une poignée pistolet dépasse à peu près radialement de la forme de base cylindrique du boîtier (8) sur la zone d'extrémité de boîtier opposée au dispositif motorisé (3),
    en ce qu'à peu près dans le plan de la poignée (9) et en déport par rapport à celle-ci en direction du dispositif motorisé (3), un compartiment récepteur pour l'électronique (10) est formé sur le boîtier (8), lequel dépasse à peu près radialement de la forme de base cylindrique du boîtier (8) et dans lequel est logée l'unité électronique de commande (31), un espace libre pour l'engagement manuel (11) étant évidé entre la poignée (9) et le compartiment récepteur pour l'électronique (10).
  2. Ensemble moteur -unité de contrôle selon la revendication 1, caractérisé en ce que le boîtier (8) est composé de deux demi-coques de boîtier (8a, 8b) respectivement d'un seul tenant, la ligne de séparation (12) s'étendant dans un plan longitudinal au travers de l'axe de cylindre (13) de la forme de base cylindrique, de la poignée (9) et du compartiment récepteur pour l'électronique (10).
  3. Ensemble moteur -unité de contrôle selon la revendication 2, caractérisé en ce que le boîtier de ventilateur, dans lequel tourne un disque de ventilateur (25) et/ou des canaux de ventilateur contigus menant aux composants à refroidir, ainsi que des ouvertures d'évacuation et/ou d'afflux d'air (15) sont formés dans les parois de boîtier des demi-coques de boîtier assemblées (8a, 8b).
  4. Ensemble moteur -unité de contrôle selon la revendication 2 ou 3, caractérisé en ce que le boîtier de stator, dans lequel le stator (17) est maintenu, est formé, lorsque les demi-coques de boîtier sont assemblées (8a, 8b), dans celles-ci.
  5. Ensemble moteur -unité de contrôle selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les demi-coques de boîtier (8a, 8b) sont reliées de manière détachable par des vissages.
  6. Ensemble moteur -unité de contrôle selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le boîtier (8), en particulier les demi-coques de boîtier (8a, 8b) sont fabriquées en utilisant la technique de coulée d'aluminium de précision.
  7. Ensemble moteur -unité de contrôle selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un interrupteur d'alimentation (29) est disposé sur le côté avant dirigé vers le dispositif motorisé (3) du compartiment récepteur pour l'électronique (10) et/ou en ce qu'un bouton à quatre fonctions (30) pour une commande d'une seule main pour la marche à droite/gauche ainsi que le fonctionnement à impulsion et le démarrage est disposé sur le côté avant de la poignée (9) et/ou en ce que des éléments d'affichage et de réglage (28, 28a), en particulier pour des couples de coupure, le sens de rotation, l'angle de rotation et la détente sont disposés sur la paroi avant côté arrière de la forme de base cylindrique.
  8. Ensemble moteur -unité de contrôle selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le compartiment récepteur pour l'électronique (10) présente à peu près une largeur correspondant au diamètre de la forme de base de cylindre et une longueur radiale inférieure à égale à celle de la poignée (9).
  9. Ensemble moteur -unité de contrôle selon la revendication 8, caractérisé en ce que le compartiment récepteur pour l'électronique (10) présente, sur ses côtés longitudinaux, des rainures longitudinales de poignée (14) et/ou des ouvertures d'évacuation et d'afflux d'air.
  10. Ensemble moteur -unité de contrôle selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'une goupille de blocage (35) pour une liaison et une fixation rigides au dispositif motorisé (3) peut être vissée radialement dans une ouverture du boîtier (8).
EP04007180A 2003-12-18 2004-03-25 Ensemble moteur et unité de contrôle d'un tournevis motorisé avec embrayage limitateur de couple Expired - Lifetime EP1543925B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20319668U 2003-12-18
DE20319668U DE20319668U1 (de) 2003-12-18 2003-12-18 Motor-/Bedieneinheit eines Abschaltschraubers

Publications (3)

Publication Number Publication Date
EP1543925A2 EP1543925A2 (fr) 2005-06-22
EP1543925A3 EP1543925A3 (fr) 2009-11-04
EP1543925B1 true EP1543925B1 (fr) 2011-07-27

Family

ID=32087656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04007180A Expired - Lifetime EP1543925B1 (fr) 2003-12-18 2004-03-25 Ensemble moteur et unité de contrôle d'un tournevis motorisé avec embrayage limitateur de couple

Country Status (3)

Country Link
EP (1) EP1543925B1 (fr)
AT (1) ATE517719T1 (fr)
DE (1) DE20319668U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017008859B3 (de) 2017-09-21 2018-11-29 Alki Technik Gmbh Schraubsysteme Entwicklung-Produktion-Vertrieb Kalibrierverfahren für einen Kraftschrauber

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036681A1 (fr) * 2007-09-14 2009-03-18 Alexander Kipfelsberger Visseuse, en particulier visseuse de court-circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20102674U1 (de) * 2001-02-15 2002-06-27 Atlas Copco Electric Tools GmbH, 71364 Winnenden Handgriff für ein handgeführtes Arbeitsgerät
DE10130547B4 (de) * 2001-06-25 2013-01-17 Robert Bosch Gmbh Handwerkzeugmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017008859B3 (de) 2017-09-21 2018-11-29 Alki Technik Gmbh Schraubsysteme Entwicklung-Produktion-Vertrieb Kalibrierverfahren für einen Kraftschrauber

Also Published As

Publication number Publication date
EP1543925A2 (fr) 2005-06-22
EP1543925A3 (fr) 2009-11-04
DE20319668U1 (de) 2004-04-01
ATE517719T1 (de) 2011-08-15

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