EP3885073B1 - Outil, ainsi que procédé de desserrage d'un élément à visser - Google Patents

Outil, ainsi que procédé de desserrage d'un élément à visser Download PDF

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Publication number
EP3885073B1
EP3885073B1 EP21157437.1A EP21157437A EP3885073B1 EP 3885073 B1 EP3885073 B1 EP 3885073B1 EP 21157437 A EP21157437 A EP 21157437A EP 3885073 B1 EP3885073 B1 EP 3885073B1
Authority
EP
European Patent Office
Prior art keywords
tool
receiving means
drive
receiving
torque
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
EP21157437.1A
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German (de)
English (en)
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EP3885073A1 (fr
Inventor
Dietmar Ewering
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.)
Westnetz GmbH
Original Assignee
Westnetz GmbH
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Filing date
Publication date
Application filed by Westnetz GmbH filed Critical Westnetz GmbH
Publication of EP3885073A1 publication Critical patent/EP3885073A1/fr
Application granted granted Critical
Publication of EP3885073B1 publication Critical patent/EP3885073B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/08—Spanners; Wrenches with rigid jaws of open jaw type

Definitions

  • the invention relates to a tool and a method for loosening a screw element.
  • a tool according to the preamble of claim 1 is made CN 109 822 493 A known.
  • Gas meters in particular G4 and G6 diaphragm gas meters, are also attached to the gas network by means of so-called union nuts on the gas meter connection piece, so that they can be replaced at regular intervals.
  • union nuts with which the gas meters are attached to the lines, usually have a hexagonal profile with a wrench size SW65. Since such union nuts are not usually accessible coaxially, a flat open-end wrench is often used and the union nut is loosened using physical force.
  • a tool for loosening a screw element in particular a screw element of a gas meter
  • the tool has a handle unit for guiding the tool.
  • the tool comprises a receiving means which can be rotated from an initial position about a screw axis into a release position in order to transmit a torque to the screw element.
  • the receiving means has a receiving opening for receiving the screw element in a form-fitting manner.
  • the tool also has a drive for providing a drive power for the torque and an output that with the Recording means is connected to eccentrically introduce the drive power for generating the torque to the screw axis in the receiving means on.
  • the screw element can in particular be a fastening means, in particular in the form of a screw, a nut, a union nut and/or the like.
  • the gas meter can be a diaphragm gas meter, for example.
  • the screw element for attaching the gas meter to a gas network, d. H. in particular on a gas meter connection piece in a gas line.
  • the handle assembly may include a handle for gripping the tool. Provision can be made for the handle unit to have a handle surface which is elastic.
  • the handle unit can have a rubber coating and/or a soft component to make guiding the tool more comfortable.
  • a surface of the grip unit can have an inclination of 35° to 45° to the effective path in order to enable an ergonomic grip.
  • the tool is therefore in particular a mobile tool that can be carried along by an operator.
  • the handle unit can preferably have a plastic, particularly preferably be designed as a two-component plastic injection molded part.
  • the receiving opening can be designed in particular to receive a hexagonal shape of the screw element, in particular with a width across flats of 65 mm.
  • the receiving opening can enclose, for example, an angle of greater than or equal to 180°, preferably 240°, with respect to the screw axis.
  • the receiving means completely encloses the screw element when the screw element is received in the receiving opening.
  • the receiving means in order to be able to easily reach the screw element in a gas meter, provision can be made for the receiving means to have a planar extension, which preferably has a thickness of less than or equal to 17 mm.
  • the receiving means can be e.g. B. be a stamped and / or sheet metal part.
  • the drive can preferably be an electric drive. Furthermore, it is conceivable that the drive a hydraulic motor, a pneumatic drive and / or includes the like.
  • the drive can in particular form a connection between the drive and the receiving means.
  • the drive has a gear.
  • the eccentric introduction of the drive power into the receiving means can be understood to mean that the drive power is introduced into the receiving means eccentrically to the screw axis and the torque is generated and/or the torque is transmitted to the receiving means, for example by a gear.
  • the torque acts in particular around the screw axis, but is introduced eccentrically into the receiving means.
  • a drive torque can be transmitted by the output from the drive to the receiving means.
  • a translation of the drive torque from the drive to the receiving means can also be realized by the output and/or the receiving means.
  • the drive and/or the output includes a roller bearing for mounting on the handle unit.
  • the screw axis can be understood in particular as a geometric axis of rotation about which the receiving means with the screw element can be rotated from the starting position into the release position.
  • the screw element In the starting position, the screw element can preferably be accommodated in the accommodation means.
  • the release position at least a partial rotation of the receiving means with the screwing element can be carried out, whereby at least a sticking of the screwing element, e.g. B. due to corrosion and / or heavy pollution, can be solved.
  • the screw element can then be completely dismantled manually or by rotating the receiving means further.
  • the tool according to the invention in particular, to loosen the screw element in a spatially restricted assembly area.
  • the drive enables mechanical support when loosening the screw element.
  • the drive comprises an impact motor, in particular an electric impact motor, for generating the torque in a pulse-like manner, in particular by means of a rotary impact.
  • the drive power can be provided in pulses.
  • the percussion motor can have a clutch, through which a coupling of the output to the percussion motor can be realized in a pulsed manner during operation of the percussion motor. In this way, in particular, the rotational impact can be realized.
  • the torsional impact can be a drive torque applied in pulses.
  • the percussion motor is designed to apply a linear impulse force when the linear impulse force is translated from the output to the receiving means, for example into torque.
  • the screw element can be loosened in a simple manner by an operator, particularly in the case of heavy soiling and/or corrosion. So it is not permanently necessary to apply a high torque on the receiving means.
  • the pulse-like torque can be used, for example, in a starting phase when loosening the screw element, in order to overcome only a first static friction of the screw element.
  • the output has a transmission means, through which an effective path for transmitting the drive power from the drive to the receiving means can be formed, in particular the transmission means for introducing the drive power into the receiving means eccentrically to the screw axis is connected to the receiving means.
  • the drive power can be transportable and/or transmittable along the effective path.
  • the effective path can have a transmission angle to the screw axis.
  • the effective path can run at least in sections perpendicularly to the screw axis.
  • the transmission means can in particular comprise a shaft, through which the drive power can be transmitted as drive torque from the drive to the receiving means.
  • the transmission means can be directly or indirectly connected to the receiving means in order to transmit the drive power.
  • the transmission means makes it possible, in particular, to introduce the receiving means for loosening the screw element into an assembly area which, for example, is not accessible to the drive due to spatial dimensions. Furthermore, the range of the tool, starting from the handle, can thereby be increased.
  • the transmission means can preferably have a shaft core and a shaft jacket, which can be rotated relative to one another. When transferring the drive power z. B. for the core relative to the shaft jacket and / or Shaft jacket be rotatable relative to the shaft core.
  • the transmission means can have a sliding lubrication.
  • the transmission means can store the receiving means on the drive and/or on the handle.
  • the transmission means comprises a flexible transmission shaft for bending the effective path.
  • the flexible transmission shaft is in particular a flexible shaft.
  • the effective path can preferably be bent by up to 30° through the transmission shaft.
  • the receiving means can be adjusted by an operator, depending on the installation space situation in the assembly area, in order to also be able to reach unfavorably located screw elements.
  • the shaft core and the shaft jacket of the transmission means can each be flexible.
  • the wave jacket can be z. B. be a braid and / or a textile.
  • the shaft jacket can be designed with a spiral steel.
  • the shaft core can e.g. B. include a preferably braided and / or torsionally and torsionally stable wire rope.
  • the drive is integrated into the handle unit, in particular with the handle unit and the transmission means being arranged on one another in a rod configuration for forming a linear transmission section of the working path.
  • the handle unit can form a housing for the drive.
  • the handle unit z. B. two housing halves attached to each other, between which the drive is arranged.
  • the handle unit can be designed in the manner of a pistol grip, as a result of which a larger installation space can be created for the drive, in particular if the drive is designed to transmit high torques.
  • the rod design means that the drive power can be transmitted coaxially to the transmission means, for example, which means that the transmission of a torque can be simplified, in particular without an additional transmission for changing the direction. Furthermore, as a result, handling of the tool in a narrow assembly area can be simplified.
  • the stick construction also allows the tool to be moved completely through an opening through which a pistol grip cannot would fit through. Handling of the tool by the operator can also be simplified overall by the stick construction.
  • the linear transmission section can be understood in particular as a straight transmission section of the effective path.
  • the transmission means can extend in a straight line from the drive and/or from the handle unit to the receiving means, at least in an unbent state.
  • the receiving means can be fixed in at least a first and a second receiving position for receiving the screw element, the receiving means being rotatable about the transmission means between the first and second receiving position.
  • the receiving means can be pivoted in particular in relation to the handle unit on the transmission means. This makes it possible, for example, to switch between operating the tool for right-handers and left-handers.
  • the receiving means and/or the transmission means can comprise fixing means for fixing the receiving means in the first and/or second receiving position. In doing so, e.g. B. also a direction of rotation of the receiving means for loosening the screw when rotating the receiving means around the transmission means with respect to the tool can be reversible. Flexibility when using the tool for different installation space situations of the screw element can thus be further increased.
  • the receiving opening has a lateral insertion area through which the screw element can be introduced into the receiving means eccentrically to the screw axis, in particular the receiving means having a closure element for closing the insertion area.
  • the insertion area can in particular form such an opening that the screw element can be inserted into the receiving opening perpendicular to the screw axis.
  • the closure element can preferably be rotatably mounted in order to enable the insertion area to be opened and closed. Due to the closure element, it is not necessary, for example, for a rotation angle of the receiving means to be limited. For example, several complete revolutions of the receiving means can be provided by the closure element in order to To solve screw element and / or unscrew completely.
  • the tool can in particular be brought up to the screw element from the side in order to accommodate the screw element in the receiving opening.
  • the screw element can also be released by the tool when the screw element is connected to a component on both sides of the screw axis.
  • the transmission means has a first gear element and the receiving means has a second gear element, with the first and second gear element for transmission of the drive power, and in particular for eccentric application of the torque on the receiving means, by a toothing, in particular in Form of a trapezoidal toothing, are in operative connection.
  • the first and second transmission element form a transmission, through which the drive power can be translated into torque, in particular.
  • a change in direction and/or an amount of torque can be influenced by the transmission elements.
  • the second gear element can, for. B. be formed by a partially circumferential edge on the receiving means, which has a toothing.
  • the first and second gear elements preferably form a worm gear.
  • the first gear element can advantageously be designed as a worm wheel and the second gear element as a spur gear.
  • the first and second gear element can act self-locking with each other.
  • the worm gear allows a high translation of the drive power to the receiving means.
  • Positioning of the tool on the screw element can also be simplified by a self-locking gear if the gear is not easily adjusted by positioning on the screw element.
  • An axis of rotation of the transmission means of the output preferably extends in a central plane of a planar direction of extension of the receiving means.
  • the transmission means extends, in particular tangentially, on an outer edge of the receiving means.
  • the receiving means is preferably at least partially circular or in the shape of an arc of a circle.
  • the trapezoidal toothing enables a high level of non-positive locking of the first and second gear element to be achieved.
  • the receiving means is mounted on the transmission means by a connecting element, in particular wherein the connecting element has a plurality of rotary guide means for guiding the receiving means when the torque is transmitted to the screw element and/or when the receiving means rotates from the starting position into the release position.
  • the connecting element can in particular form a housing section for the receiving means.
  • the connecting element can advantageously be designed as a die-cast part, preferably made of aluminum.
  • the connecting element can be designed as a molded part.
  • the rotary guide means can in particular form bearings for mounting the receiving means on the connecting element and/or on the output.
  • the rotary guide means are preferably geared to the second gear element of the receiving means.
  • the rotary guide means can be arranged around the receiving means in the manner of a planetary gear, in order to also guide the receiving means when rotating about the screw axis.
  • Three or more, particularly preferably four, rotary guide means are preferably provided in order to guide the receiving means on the connecting element when the torque is transmitted to the screw element.
  • the rotary guide means can include roller bearings.
  • the drive is connected to a control unit for executing a predefined drive process, in particular with the predefined drive process involving a rotation of the receiving means about the screw axis from the starting position to the release position and/or an automatic return to the starting position includes.
  • the control unit can include electronics that are integrated into the handle unit.
  • the control unit can be brought into a communication connection with the drive or can be in a communication connection.
  • the drive process can in particular be a program sequence which causes the control unit to control the drive in such a way that the drive process is carried out by the drive.
  • the control unit can preferably comprise a processor and/or microprocessor.
  • the drive is operated with a lower drive power, so that the torque during the return is lower than the torque when the receiving means is moved from the starting position to the release position.
  • the automatic resetting can take place in particular through a continuous drive power, ie in particular without a rotational impact.
  • the predefined drive process can enable intuitive operation of the tool, which in particular does not require the operator to make too many parameter decisions.
  • a limiting unit for limiting an angle of rotation of the receiving means and/or for limiting the torque, preferably wherein the angle of rotation can be limited by the limiting unit in such a way that at least three of the rotary guide means are engaged when rotating the Remain recording means from the starting position to the release position.
  • the limiting unit can include electronics and in particular be part of the control unit.
  • the angle of rotation and/or the torque can be limited, in particular electronically.
  • the limiting unit has a stop against which the receiving means can be rotated in the release position. In this case, the angle of rotation and/or the torque can be monitored by an increase in a motor current of the drive.
  • the angle of rotation is preferably limited to 60°.
  • the three rotary guide means can be arranged around a circumference of the receiving means in such a way that the insertion region only passes through one of the rotary guide means if four rotary guide means are provided. This allows for stable guidance when turning the receiving means from the starting position into the release position. Furthermore, by limiting the angle of rotation and/or the torque, intuitive operation of the tool is made possible. For example, the predefined drive process can be ended when a maximum angle of rotation or a maximum torque is reached.
  • an energy storage device is provided for the mobile energy supply of the drive, in particular with the energy storage device being integrated into the handle unit.
  • the energy store can include a battery and/or an accumulator, preferably with a nominal voltage of 24V or 48V.
  • the tool, in particular the handle preferably has a charging interface for charging the energy store.
  • the Charging interface include a USB interface. Due to the energy store, the tool can be used in particular wirelessly in order to loosen the screw element. As a result, freedom of movement of the tool can be further increased. Additionally or alternatively, the tool can have a cable or a cable connector for connection to a power source.
  • the handle unit has several operating elements for actuating the drive, one of the operating elements being designed to change a direction of rotation of the drive, to initiate the rotary impact and/or to start the drive.
  • the handle preferably comprises three operating elements, one of the operating elements being able to change the direction of rotation of the drive, another of the operating elements being able to initiate the rotary impact and the third operating element being able to start the drive.
  • the operating elements can each include a pressure switch in order to actuate the drive.
  • the operating elements can be electrically connected to the control unit. The operating elements result in an intuitive operation of the tool, which means that errors during assembly or disassembly of the screw element can be reduced.
  • a holding unit is provided for holding the tool on a static tool holder and/or for carrying the tool along.
  • the holding unit can include a magnet for magnetically holding the tool on the tool holder.
  • the tool holder can e.g. B. include a metal wall of a workbench.
  • the holding unit can be designed to carry the tool along.
  • the holding unit z. B. include a loop and / or an eyelet to attach the tool to work clothes and / or a belt can. This makes it easier to carry the tool along, which means that access to the tool in the assembly area can be simplified overall.
  • a method according to the invention thus entails the same advantages as have already been described in detail with reference to a tool according to the invention.
  • the screwing element When positioning the tool on the screwing element, the screwing element can in particular be introduced laterally into an insertion area of the receiving means by the tool being brought up to the screwing element.
  • the drive power When providing the drive power, the drive power can in particular be made available electrically by the drive.
  • the eccentric introduction of the drive power takes place in particular eccentrically to the screw axis.
  • the torque can be generated at the receiving means as a function of the drive power and/or can be transmitted to the receiving means from an output of the tool.
  • the receiving means is in particular set in rotation, so that the receiving means is moved into the release position during rotation and the torque is transmitted to the screw element.
  • the torque can be introduced into the receiving means in a pulsed manner in order to overcome static friction of the screw element.
  • the drive power is preferably transmitted along an effective path from the drive to the receiving means.
  • the effective path can have a transmission angle to the screw axis, which is in particular perpendicular. Furthermore, the effective path can run in one plane with the rotation of the receiving means.
  • figure 1 shows a tool 1 according to the invention for loosening a screw element 2 in a first embodiment in a side view.
  • the screw element 2 can in particular be a screw element 2 of a gas meter 3, as in figure 4 shown.
  • the screw element 2 is arranged between a body 3.1 of the gas meter 3 and a gas meter connecting piece in a line 4 for conducting gas.
  • the gas meter fitting is located in the line 4 and the body 3.1 of the gas meter 3 at a small distance 3.2, which makes access to the screw element 2 for the tool 1 more difficult.
  • figure 5 also shows a method 100 according to the invention for loosening the screw element 2 using the tool 1.
  • the tool 1 has a receiving means 20, which is used to transmit a torque 200 to the screw element 2 from a starting position I, as in FIG figure 1 shown to rotate 104 the receiving means 20 with the screw element 2 about a screw axis 21 in a release position II, as in figure 2 shown to allow.
  • the receiving means 20 has a receiving opening 22 for receiving the screw element 2 in a form-fitting manner.
  • the screw element 2 has a hexagonal shape that can be inserted into a shape of the receiving opening 22 in a form-fitting manner. This results in an advantageous transmission of the torque 200 from the receiving means 20 to the screwing element 2.
  • the receiving means 20 has a lateral insertion area 23, through which the screwing element 2 is eccentric to the screwing axis 21 in the receiving means 20 can be introduced.
  • a closure element 24 for closing the insertion area 23 can be arranged on the receiving means 20, preferably pivoted in a rotatable manner.
  • a closed shape of the receiving means 20 can be made possible when the screw element 2 is received in the receiving means 20 .
  • This can e.g. B. a complete rotational movement of the receiving means 20 with the screw element 2 and / or a complete unscrewing of the screw element 2 can be made possible.
  • the tool 1 comprises a drive 11 for providing 102 a drive power for the torque 200, which is connected to the receiving means 20 by an output 30.
  • the output 30 extends to the side of the receiving means 20, so that an eccentric introduction 103 with respect to the screw axis 21 of the drive power into the receiving means 20 for generating the torque 200 is possible.
  • the receiving means 20 can be introduced with part of the output 30 into the distance 3.2 between the gas meter 3 and the gas meter connection piece of the line 4, even if the drive 11 does not fit into the distance 3.2.
  • the drive 11 also includes a particular electric percussion motor for a pulse-like generation of the Torque 200, in particular by introducing the drive power into the receiving means 20 in a pulsed manner.
  • drive power from the drive 11, in particular in the form of a rotary impact can be transmitted from the drive 11 to the receiving means 20 via a transmission means 31 of the output 30.
  • the tool 1 has a handle unit 10, in which the drive 11 is preferably integrated.
  • the transmission means 31 and the handle unit 10 are arranged in a rod configuration, so that an effective path 32 for transmitting the drive power from the drive 11 to the receiving means 20 has a linear transmission section.
  • the transmission means 31 also includes a first gear element 41 and the receiving means 20 includes a second gear element 42.
  • the transmission means 31 and the receiving means 20 form a gear 40 for transmitting the drive power.
  • the first and second gear element 41, 42 preferably have teeth, in particular in the form of trapezoidal teeth.
  • the receiving means 20 is also mounted on the transmission means 31 by a connecting element 25 .
  • the connecting element 25 has a plurality of rotary guide means 26 which are designed to guide the receiving means 20 when the receiving means 20 is moved from the starting position I into the release position II.
  • the rotary guide means 26 can be toothed and act with the toothing of the second gear element 42 of the receiving means 20 in order to guide the receiving means 20 in a direction of rotation for loosening the screw element 2 .
  • the rotary guide means 26 are arranged in such a way that at least three of the rotary guide means 26 remain in toothed engagement with the receiving means 20 when the receiving means 20 rotates about the screw axis 21 .
  • the drive 11 is also connected to a control unit 50 for executing a predefined drive process.
  • the control unit 50 is preferably integrated with the drive 11 in the handle unit 10 .
  • the predefined drive process can include a rotation of the receiving means 20 about the screw axis 21 from the starting position I to the release position II and/or an automatic return to the starting position I.
  • the tool 1 has, in particular, a limiting unit 51 for limiting the angle of rotation 201 of the receiving means 20 and/or for limiting the Torque 200 on.
  • the limiting unit 51 can be designed at least partially electronically and can be part of the control unit 50 for executing a predefined drive process.
  • an energy store 12 can be provided, which can likewise advantageously be integrated into the handle unit 10 .
  • the energy store 12 can be z. B. be an accumulator and / or a battery.
  • the transmission means 31 comprises a flexible transmission shaft for bending the active path 32, as in FIG figure 3 shown.
  • the flexible transmission shaft can include a shaft jacket 31.1 and a shaft core 31.2, which can be rotated in particular relative to one another.
  • the drive power can be transmitted from the drive 11 to the receiving means 20 along the effective path 32 even when the transmission means 31 is in a bent state.
  • the tool 1 has, in particular on the handle unit 10, a holding unit 60 for holding the tool 1 on a static tool holder 5, as shown in FIG figure 6 shown.
  • the holding unit 60 can include a magnet for magnetically attaching the tool 1 to the tool holder 5 .
  • the magnet can rest on the outside of the handle unit 10, as in FIG figure 1 shown, or internal.
  • the holding unit 60 includes a loop or an eyelet (not shown) in order to be able to carry the tool 1 on a belt or work clothing.
  • the handle unit 10 also has a number of operating elements 13 which are designed to actuate the drive 11 .
  • One of the operating elements 13 can be configured to change a direction of rotation of the drive 11, to initiate the rotary impact and/or to start the drive 11 and/or to be connected to the control unit 50.
  • FIG 7 shows figure 7 the tool 1 with the receiving means 20 in a second receiving position 212, in which the receiving means 20 is moved from one, for example in figure 1 illustrated, first receiving position 211 is rotated about the transmission means 31.
  • first receiving position 211 is rotated about the transmission means 31.
  • the direction of rotation 201 can be reversed when the receiving means 20 is transferred from the first to the second receiving position 211, 212.

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  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (14)

  1. Outil (1) pour desserrer un élément de vissage (2), en particulier un compteur de gaz (3), comprenant
    une unité de poignée (10) pour guider l'outil (1),
    un moyen de réception (20) qui, pour transmettre un couple (200) à l'élément de vissage (2), peut tourner autour d'un axe de vissage (21) d'une position initiale (I) à une position de desserrage (II), avec une ouverture de réception (22) pour recevoir l'élément de vissage (2) par complémentarité de formes,
    un entraînement (11) pour fournir une puissance d'entraînement pour le couple (200), et une sortie (30) qui est reliée au moyen de réception (20) pour générer le couple (200) pour une introduction excentrée par rapport à l'axe de vissage (21) de la puissance d'entraînement dans le moyen de réception (20),
    la sortie (30) présentant un moyen de transmission (31) par lequel peut être formé un chemin actif (32) pour transmettre la puissance d'entraînement de l'entraînement (11) au moyen de réception (20),
    caractérisé en ce que
    le moyen de réception (20) peut être fixé dans au moins une première et une deuxième position de réception (211, 212) pour recevoir l'élément de vissage (2), le moyen de réception (20) pouvant tourner autour du moyen de transmission (31) entre la première et la deuxième position de réception (211, 212).
  2. Outil (1) selon la revendication 1,
    caractérisé en ce que
    l'entraînement (11) comprend un moteur à percussion, en particulier électrique, pour une génération par impulsions du couple (200), en particulier par une percussion rotative.
  3. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le moyen de transmission (31) pour l'introduction excentrée par rapport à l'axe de vissage (21) de la puissance d'entraînement dans le moyen de réception (20) est relié au moyen de réception (20).
  4. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le moyen de transmission (31) comprend un arbre de transmission flexible pour courber le chemin actif (32).
  5. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'entraînement (11) est intégré dans l'unité de poignée (10), en particulier l'unité de poignée (10) et le moyen de transmission (31) étant disposés l'un contre l'autre en forme de barre pour former une section de transmission linéaire du chemin actif (32).
  6. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'ouverture de réception (22) présente une zone d'introduction latérale (23) par laquelle l'élément de vissage (2) peut être introduit dans le moyen de réception (20) de manière excentrée par rapport à l'axe de vissage (21), en particulier le moyen de réception (20) présentant un élément de fermeture (24) pour fermer la zone d'introduction (23).
  7. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le moyen de transmission (31) présente un premier élément de transmission (41) et le moyen de réception (20) un deuxième élément de transmission (42), le premier et le deuxième élément de transmission (41, 42) étant en liaison active pour la transmission de la puissance d'entraînement par une denture, en particulier sous la forme d'une denture trapézoïdale.
  8. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le moyen de réception (20) est monté par un élément de liaison (25) sur le moyen de transmission (31), en particulier l'élément de liaison (25) présentant plusieurs moyens de guidage en rotation (26) pour guider le moyen de réception (20) lors de la transmission du couple de rotation (200) à l'élément de vissage (2).
  9. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'entraînement (11) est relié à une unité de commande (50) pour exécuter un processus d'entraînement prédéfini, en particulier le processus d'entraînement prédéfini comprenant une rotation du moyen de réception (20) autour de l'axe de vissage (21) de la position initiale (I) à la position de desserrage (II) et/ou un retour automatique à la position initiale (I).
  10. Outil (1) selon la revendication 8,
    caractérisé en ce qu'
    il est prévu une unité de limitation (51) pour limiter un angle de rotation (201) du moyen de réception (20) et/ou pour limiter le couple de rotation (200), de préférence l'angle de rotation (201) pouvant être limité par l'unité de limitation (51) de telle sorte qu'au moins trois des moyens de guidage en rotation (26) restent en prise lors de la rotation du moyen de réception (20) de la position initiale (I) à la position de dégagement (II).
  11. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'
    un accumulateur d'énergie (12) est prévu pour l'alimentation mobile en énergie de l'entraînement (11), en particulier l'accumulateur d'énergie (12) étant intégré dans l'unité de poignée (10).
  12. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'unité de poignée (10) présente plusieurs éléments de commande (13) pour l'actionnement de l'entraînement (11), l'un des éléments de commande (13) étant respectivement conçu pour modifier un sens de rotation de l'entraînement (11), pour initier le battement de rotation et/ou pour démarrer l'entraînement (11).
  13. Outil (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'
    une unité de maintien (60) est prévue pour maintenir l'outil (1) sur un porte-outil statique (5) et/ou pour entraîner l'outil (1).
  14. Procédé (100) de desserrage d'un élément de vissage (2), notamment d'un compteur de gaz (3), par un outil (1), selon l'une des revendications précédentes,
    comprenant les étapes suivantes :
    - Le positionnement (101) de l'outil (1) sur l'élément de vissage (2), de sorte que l'élément de vissage (2) est reçu par complémentarité de forme dans une ouverture de réception (22) d'un moyen de réception (20) de l'outil (1) pour la transmission d'un couple de rotation (200) à l'élément de vissage (2), le moyen de réception (22) se trouvant dans une position initiale (I),
    - Fournir (102) une puissance d'entraînement,
    - L'introduction excentrique (103) de la puissance d'entraînement dans le moyen de réception (20) pour produire le couple (200),
    - Rotation (104) du moyen de réception (20) d'une position initiale (I) à une position de desserrage (II) autour d'un axe de vissage (21), le couple (200) étant ainsi transmis à l'élément de vissage (2).
EP21157437.1A 2020-03-24 2021-02-16 Outil, ainsi que procédé de desserrage d'un élément à visser Active EP3885073B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020108102.2A DE102020108102A1 (de) 2020-03-24 2020-03-24 Werkzeug sowie Verfahren zum Lösen eines Schraubelementes

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EP3885073B1 true EP3885073B1 (fr) 2023-08-16

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DE (1) DE102020108102A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20120887U1 (de) * 2001-12-23 2002-03-07 Mack, Klaus, 71101 Schönaich Handbetätigter elektromotor-getriebener Drehschrauber
US9381625B2 (en) 2012-12-29 2016-07-05 Chevron (Hk) Limited Electrical wrench
CN104044104B (zh) 2013-03-12 2016-02-10 南京德朔实业有限公司 通孔式动力棘轮扳手
US9079296B1 (en) * 2013-04-23 2015-07-14 Anthony Martucci Swiveling ratchet
US20150174741A1 (en) * 2013-12-19 2015-06-25 Joshua W. Frank Adjustable wrenches, pliers, and shears
TWI583503B (zh) 2015-05-22 2017-05-21 Hou-Fei Hu Electric ratchet wrench
CN109822493A (zh) * 2019-04-10 2019-05-31 北渤智能科技秦皇岛有限公司 一种自动扳手及其扳手夹具

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DE102020108102A1 (de) 2021-09-30

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