EP2448719A1 - Dispositif de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, destiné à être utilisé dans des machines-outils à main - Google Patents

Dispositif de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, destiné à être utilisé dans des machines-outils à main

Info

Publication number
EP2448719A1
EP2448719A1 EP10718159A EP10718159A EP2448719A1 EP 2448719 A1 EP2448719 A1 EP 2448719A1 EP 10718159 A EP10718159 A EP 10718159A EP 10718159 A EP10718159 A EP 10718159A EP 2448719 A1 EP2448719 A1 EP 2448719A1
Authority
EP
European Patent Office
Prior art keywords
main body
tool
vibrations
storage device
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Withdrawn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
EP10718159A
Other languages
German (de)
English (en)
Inventor
Kurt Sieber
Otto Baumann
Elisabeth Michl
Hardy Schmid
Holger Ruebsaamen
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2448719A1 publication Critical patent/EP2448719A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/06—Means for driving the impulse member
    • B25D2211/061—Swash-plate actuated impulse-driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0073—Arrangements for damping of the reaction force
    • B25D2217/0076—Arrangements for damping of the reaction force by use of counterweights
    • B25D2217/0088—Arrangements for damping of the reaction force by use of counterweights being mechanically-driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0073—Arrangements for damping of the reaction force
    • B25D2217/0076—Arrangements for damping of the reaction force by use of counterweights
    • B25D2217/0092—Arrangements for damping of the reaction force by use of counterweights being spring-mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2222/00—Materials of the tool or the workpiece
    • B25D2222/54—Plastics
    • B25D2222/57—Elastomers, e.g. rubber

Definitions

  • the invention relates to a device for the reduction and / or compensation of vibrations according to the preamble of the independent claims.
  • Hand tool in particular a drill and / or chisel hammer, with a repetitive percussion drive for striking drivable tools, in particular application tools, known in which a, via a Huber Wegungsvorraum driven as a drive mechanism, preferably repetitive drivable
  • Balancing body is provided.
  • the compensation body comprises a main body and a
  • the "main body” is understood to be, in particular, that part of the compensating body which carries or defines a predominant proportion of a total mass of the compensating body
  • Receiving storage device is as a rotatable hinge pin or ball joint with a receiving bore for receiving a drive member of the drive mechanism educated.
  • the receiving storage device is in this case connected to the main body, in particular received in the main body, that substantially only joint movement of the receiving bore is possible without the
  • the impact drive has in the example of DE 10 2008 000 677 at least one predominantly axially repetitive driven lifting element and a well-known air spring impact.
  • a movement of the compensation body of the power tool according to DE 10 2008 000 677 is tuned in a phase relationship to the movement of the lifting element so that by the movement of the
  • Balancing body a periodic force is generated, which as a counterforce reducing and / or compensating acts on the forces causing the vibrations.
  • the repetitive movement of the compensation body follows in time substantially a sinusoidal shape, wherein the periodic forces are generated in particular in a reversal of the direction of movement and show a pulse-like individual course.
  • this effective force Due to the superposition of various occurring over a period of the impact drive, vibration-inducing forces resulting from the percussion drive and / or setbacks of the applied during operation on the insert tool impact pulses and / or other sources to a vibration-inducing effective force, this effective force has a complex time profile over a period. Depending on characteristic differences in the time profile of vibration-inducing effective force and counterforce caused by the balance body, the
  • the device according to the invention with the features of the main claim has the advantage that in a simple and at the same time compact a time profile of the compensating body of the device according to the invention, in particular the Main body caused counterforce can be advantageously formed or deformed, preferably can be adapted to the vibration-stimulating effective force.
  • the invention has the advantage that in a simple and at the same time compact a time profile of the compensating body of the device according to the invention, in particular the Main body caused counterforce can be advantageously formed or deformed, preferably can be adapted to the vibration-stimulating effective force.
  • relatively movably connected is meant, in particular, that the receiving storage device may have a variable or variable position relative to the main body.
  • “Limited relative movably connected” is understood here to mean that movement of the receiving storage device relative to the main body is limited, in particular in one Extension or
  • Amplitude is smaller than a spatial extent of the compensation body and / or as an extension or amplitude of movement of the compensation body.
  • provided is meant in particular “to be equipped”, “to be equipped” or “to be supplemented”.
  • vibration-inducing effective force By “adapting the vibration-inducing effective force” is meant, in particular, that the vibration-stimulating effective force and the counterforce compensate or cancel as much as possible.
  • a means of action is provided so that the main body in at least one direction of movement relative to the receiving storage device can move substantially elastic, in particular to a rest position SO.
  • the active agent can have an elastic element, in particular it is advantageously an elastic element.
  • the elastic element may be a spring element, an elastomer, a rubber-like element or a fluid.
  • the active agent may comprise at least one damping element, in particular a damping element.
  • the damping element may be a spring element, an elastomer, a rubber-like element or a fluid.
  • - A -
  • a particularly preferred embodiment is achieved when the active agent comprises both at least one elastic element and at least one damping element.
  • the active agent between the main body and the receiving storage device is arranged.
  • the active agent establishes an operative connection between the main body and the receiving storage device.
  • the active agent connects the main body with the
  • connection is understood to mean, in particular, mechanically connected, adhesively connected, positively connected, positively connected, screwed, pinned, glued, magnetically connected. [. chicken] Other connection forms are known to the person skilled in the art which can be used to advantage.
  • the receiving storage device is at least substantially within the
  • Balancing body arranged.
  • inside is meant in particular that the receiving storage device has a longitudinal and transverse extent, which within one, in particular smaller than a longitudinal and transverse extent of the
  • the receiving storage device comprises at least one connecting element.
  • Connecting element is substantially immobile relative to the
  • Main body arranged on or in the compensation body.
  • substantially immovable is meant, in particular, that the connecting element has a mobility with respect to the main body, which is smaller, preferably negligibly small, relative to a mobility of the main body relative to the receiving element of the receiving storage device sleeve-like design.
  • the main body comprises at least two, preferably a plurality of mass bodies.
  • the mass bodies can be connected to one another via an elastic and / or damping element, so that a type of spring-mass chain is formed.
  • this comprises one Guiding device, by means of which the compensating body can be guided guided in at least one spatial axis.
  • the at least one spatial axis is substantially parallel, preferably coaxial to a main axis of oscillation. Under the "main vibration axis" is doing
  • a dominant proportion is understood as meaning, in particular, a proportion of at least 50%, preferably at least 75%, of the total vibrations occurring.
  • the compensation body is at least one by the drive mechanism
  • an "outer rest system” is understood as meaning a reference system whose origin lies outside the device according to the invention
  • Movement axis of the compensation body is.
  • motion characteristic is in particular a deflection, a maximum deflection, a speed, an acceleration and / or a
  • Main body in a first direction, in particular along the axis, in at least one movement characteristic deviating from the substantially
  • the drive device is driven by a motor, in particular by an electric motor, and the drive mechanism of the device according to the invention for reducing and / or compensating for vibrations is operatively connected to the drive device.
  • the drive mechanism is coupled to the drive device.
  • the drive device for driving the tool comprises a percussion mechanism, in particular an air spring impact mechanism, by which the tool is pulse-like, in particular periodically impulsively driven in an axial direction.
  • the hand tool is designed as a drill and / or chisel hammer.
  • a device according to the invention for reducing and / or compensating vibrations in a hand tool in particular a hand tool with a motor, preferably electric motor driven tool for reduction and / or compensation of a drive device for driving the tool and / or or used or used by a use of the tool vibrations.
  • Fig. 1 is a schematic representation of a drill and / or percussion hammer as an example of a power tool with a device according to the invention for the reduction and / or compensation of vibrations
  • Fig. 2 is a schematic side view of a first embodiment of a device according to the invention for the reduction and / or compensation of
  • FIG. 3a is a schematic model view of the exception storage device according to FIG. 2;
  • FIG. 3b is a schematic side view of a modification of FIG.
  • FIG. 4a is a simplified schematic representation of the embodiment of FIG. 2nd
  • 4b to 4f are each a schematic side view of an alternative
  • 5a to 5c each show a further embodiment of the device according to the invention in a schematic side view
  • Fig. 6 shows a variant of the embodiment of FIG. 2 with an alternative drive mechanism. Description of the embodiments
  • Fig. 1 shows a drill and / or chisel hammer 10 as an example
  • the drill and / or chisel hammer 10 has at least one machine housing 16, on whose one end face 18 a
  • Tool holder 20 is provided with a tool holder, not shown, for receiving, in particular to exchangeable receiving the tool 14.
  • the tool 14 is in the tool holder 20 rotating and / or beating drivable and defined over a longitudinal extension of an axial direction 15.
  • a handle device 24 is provided in the present example on the machine housing 16.
  • Handle device 24 has a device switch 26 for commissioning the drill and / or hammer drill 10. Adjacent to the tool holder 20, an auxiliary handle 28 is provided on the machine housing 16. This can be connected in particular releasably, particularly preferably in a position and / or in an orientation changeable with the machine housing 16.
  • the drive device 12 is arranged substantially within the machine housing 16 and shown only schematically.
  • the drive device 12 comprises a motor 30, in particular an electric motor 32, and a
  • Gear device 34 for transmitting and / or translating a movement of the motor 30, 32 in movement of the tool 14 relative to the machine housing 16.
  • the device 100 according to the invention for reducing and / or compensating for vibrations is in the present example with the gear device 34
  • the transmission device 34 includes in the case of the present drilling and / or
  • Air spring impact mechanism 38 as is well known to those skilled.
  • the tool 14 is pulse-like, in particular in the axial direction 15 pulse-like, in particular periodically driven.
  • the percussion mechanism 36, 38 and / or the impulsively acted upon tool 14 causes vibrations in the drill and / or chisel 10, in particular on the machine housing 16 and / or on the handle device 24 and / or in a reaction on the auxiliary handle 28.
  • the percussion mechanism 36, 38 comprises a piston unit 40, which is arranged axially displaceable in a hammer tube 42.
  • the piston unit 40 is driven via a drive unit 44, which is part of the transmission device 34, axially oscillating in the hammer tube 42.
  • the drive unit 44 which is part of the transmission device 34, axially oscillating in the hammer tube 42.
  • Drive unit 44 is formed as a tumbling unit 46.
  • inertial forces are caused, which are a source for excitation of vibrations in the drilling and / or percussion hammer 10.
  • a racket unit 48 is further arranged axially displaceable in front of the piston unit 40. Between the piston unit 40 and the racket unit 48, an air spring 50 is provided. Due to the axial oscillating movement of
  • Piston unit 40 the air spring 50 is compressed or relaxed, whereby pressure forces arise, which via the piston unit 40 and / or the hammer tube 42 on the
  • Drill and / or percussion hammer 10 can be transmitted.
  • the pressure forces can also be used as a source for excitation of vibrations in the drilling and / or
  • the racket unit 48 is accelerated by the pressure forces alternately in the direction of the tool holder 20 to or from the tool holder 20 away.
  • the club unit 48 transmits a hammering impulse to an unshown shank end of the tool 14.
  • This shake pulse is prepared via the tool 14 towards a working tip and is there transferred to a working surface.
  • a reverse pulse is prepared via the tool 14 on the tool holder 20 and / or the racket unit 48. This reverse pulse is another source for excitation of vibrations in the hammer and / or percussion hammer 10.
  • Chisel hammer 10 are known to the expert further embodiments.
  • the skilled person knows alternative and / or further developed embodiments of
  • DE 10 2006 046 472 A1 discloses an air spring impact mechanism 38a with an additional firing pin unit, to the disclosure of which reference is made at this point.
  • FIG. 2 shows a schematic side view of a first exemplary embodiment of a device 100 according to the invention for reducing and / or compensating for vibrations.
  • the device 100 comprises a movably mounted balance body 102 and a drive mechanism 104.
  • the drive mechanism 104 is of the type on the compensation body 102, that this is drivable by the drive mechanism 104, preferably repetitive drivable.
  • the compensation body is geometrically simple, for example substantially cylindrical or cubic.
  • the drive mechanism 104 is as a
  • Swash plate drive 106 is formed.
  • the swashplate drive 106 has a wobble bearing 108 on a drive shaft 110 which can be driven in rotation
  • the drive shaft 110 extends along a rotation axis 116, about which it is rotatably driven.
  • the swash bearing 108 comprises bearing elements 118, which on a not shown here, by an angle WT relative to the rotation axis 116 inclined
  • the wobble finger 114 extends in this example radially from the swash plate 112 substantially in a plane 120 of the bearing race.
  • other orientations of the wobble finger 114 may be advantageous without departing from the spirit of the invention.
  • Drive shaft 110 is now driven to rotate, so is a rotational movement 122 of the drive shaft 110 in a substantially oscillating movement 124 of the
  • the wobble finger 114 engages with its free end in or through a in one
  • the joint receptacle 128 can be used, for example, as a hinge pin 132 of a hinged joint, as known inter alia from DE 10 2008 041 890 and indicated in FIG. 2, or as a ball joint of a Ball joint be executed.
  • the main body 126 is in the example of FIG. 2 as an elongated body, for example as a substantially parallelepiped or
  • Invention can give.
  • FIG. 3 a shows a schematic structure and the arrangement according to the invention of the receiving storage device 130 in a model view.
  • the receiving storage device 130 comprises the hinge pin 132, which is pivotally mounted about a pivot axis 134 in the direction of arrow 136.
  • Articulated pin 132 includes the receiving bearing device 130 two, in the present Example symmetrically configured bearing bushes 138.
  • Each bushing 138 is in the present example arranged around one end of the hinge pin 132.
  • the bushings 138 may be formed in particular as sliding or rolling bearings.
  • the main body 126 is transverse to one
  • an elastic element 142 is provided between an inner wall 144 of the receiving bore 140 and an outer circumferential surface 146 of the bearing bushes 138.
  • the elastic element 142 may preferably be a rubber element, an elastomer or an element made of another elastic material.
  • the elastic element 142 is connected to the inner wall 144 and / or the lateral surface 146. The elastic member 142 thus enables relative mobility of the
  • the main body 126 can perform a substantially elastic movement about a rest position mediated by the elastic member.
  • the main body 126 has a preferably continuous engagement slot 148.
  • the hinge pin 126 has a transverse bore 150 for receiving the wobble finger 114, which engage through the engagement slot 148 in the transverse bore 150 or, as shown in Fig. 3a, can pass through.
  • the wobble finger 114 engages through the engagement slot 148 in the transverse bore 150 or, as shown in Fig. 3a, can pass through.
  • Receiving storage device 130 is disposed within the compensation body 102, in particular within a volume which is swept over in the oscillating movement 158 of the main body 126. However, it can also be beneficial to the
  • means 152 for guiding and supporting the compensating body 102 are provided.
  • Embodiment of FIG. 2 is the balancing body 102 on at least one
  • the wobble finger 114 is excited to oscillate 124, the compensation body 102 executes an axially oscillating pendulum movement 158 in the movement axis 156. If the receiving bearing device 130 of the compensating body 102 is excited during operation of the device according to the invention via the wobble finger 114 to the axially oscillating pendulum motion 158, initially the elastic element 142 is elastically deformed in the direction of the pendulum motion 158.
  • Main body 126 of the compensation body 102 of the device 100 is achieved in that a time profile of the counterforce resulting from the movement of the main body 126 can be advantageously shaped or deformed, preferably to the
  • vibration-stimulating effective force can be adjusted.
  • the elastic element 142 takes load peaks, which in particular in a
  • Motion reversal of the pendulum motion 158 occur, so that the components are exposed to lower loads.
  • the duration of the delay time and the load peaks of the smoothing properties of the device according to the invention can, in particular by suitable choice of the elasticity of the elastic element 142, the available range of motion of the
  • Receiving storage device 130 relative to the main body 126 and mass and / or storage of the main body 126 can be varied.
  • the main body 126 reacts with a time delay to the movement of the receiving storage device 130.
  • the main body 126 forms together with the active means 143 of the receiving storage device 130 is a so-called mass-spring system whose properties, in particular resonance properties are well known to those skilled in the art.
  • an oscillating pendulum movement 158 with variable amplitude AZ will likewise be set around the rest position SO.
  • the active means 143 may also comprise at least one damping element in addition to the elastic element 142. However, it may be advantageous if the active agent 143 only at least one
  • damping element Suitable damping elements may consist of elastomers, thermoplastic materials, fluids such as e.g. Oils or gels or other well-known to those skilled attenuating elements.
  • the active means 143 can be enclosed by an additional connecting element 160.
  • the active means 143 could in a modification of the embodiment of FIGS. 2 and 3a, the active means 143 of a sleeve, preferably a cylindrical sleeve as
  • Surrounding member 160 may be surrounded, which is preferably arranged immovably in the receiving bore 140 relative to the main body 126.
  • positive and / or non-positive connections between the connecting element 160 and the receiving bore 140 can be used. This embodiment advantageously allows the assembly of the invention
  • Receiving storage device 130 as a preassembled assembly.
  • FIG. 4a shows the sake of clarity, the known from Fig. 2 embodiment in a further simplified representation.
  • Figures 4b to 4f are different
  • Each spring bow of the wave spring element 162 supports the hinge pin 132 elastically in the joint receptacle 128 from.
  • the corrugated spring element 162 acts like the already described elastic element 142 of the embodiment according to FIG. 2.
  • the active means 143 is designed as at least one leaf spring element 164.
  • the hinge pin 132 is so by two leaf spring elements 164 in the joint receptacle 128 supported, that the main body 126 of the compensation body 102 is elastically relatively movable, in particular in the direction substantially parallel to the oscillating pendulum motion 158.
  • Such an embodiment has the advantage that forces are reduced transversely to a possibly provided axial bearing of the main body 126, and the relative mobility substantially only between
  • FIG. 4 d shows a further embodiment, wherein the active means 143 is formed by preferably at least four radial spring elements 166, which are preferably formed by substantially radially arranged coil springs.
  • the radial spring elements 166 are arranged between the joint receptacle 128 and the hinge pin 132.
  • the radial spring elements 166 support the
  • Hinge pin 132 in the joint receptacle 128 by tensile or compressive forces, so that it is limited from a rest position relative to the
  • Main body 126 can move.
  • the relative mobility of the hinge pin 132 relative to the joint receptacle 128 may have at least one preferred direction.
  • FIG. 4e shows a further modification of the embodiment according to FIG. 4a, wherein the elastic element 142 and / or the joint receptacle 128 has a cross-section deviating from a circular shape.
  • the relative mobility of the hinge pin 132 relative to the joint receptacle 128 receives at least one preferred direction. In the shown here
  • the cross section is substantially elliptical, wherein the large axis is oriented substantially parallel to the direction of the oscillating pendulum motion 158.
  • the receiving-storage device 130 according to the invention has at least one, preferably two spring elements 168 as active means 143.
  • the spring elements 168 are preferably designed as coil springs.
  • the hinge pin 132 is rotatable and / or pivotable in a body 170th
  • the body 170 is axially displaceable in the joint receptacle 128 arranged. Preferably, the body 170 is thereby axially guided in the
  • the body 170 is axially displaceable between two guide surfaces which are provided in the boundary of the hinge receptacle 128 and here for example substantially aligned with each other and parallel to each other.
  • guide surfaces which are provided in the boundary of the hinge receptacle 128 and here for example substantially aligned with each other and parallel to each other.
  • Inventive storage device 130 can be used. According to Fig. 4f, the spring elements 168 are based with one end to the
  • the hinge pin 132 is similar to the previous embodiments at least in the direction of the oscillating pendulum motion 158 limited axially movable, in particular also elastically movable.
  • Fig. 5a shows a further preferred embodiment of the invention
  • the action means 143 essentially consists of an elastic material 172, preferably an elastomer, rubber-elastic material or the like, and substantially encloses the receiving-storage device 130 and the main body 126.
  • the elastic material substantially forms the surface of the compensating body 102.
  • the elastic material connects the main body 126 elastically movable and thus limited relative movable with the receiving storage device.
  • this embodiment does not differ substantially from those already described
  • the main body 126 comprises at least two, preferably a plurality of mass bodies 127, 127a.
  • the mass bodies 127, 127a are surrounded by the elastic material 172 in the example according to FIG. 5b.
  • the mass body 127, 127a act in particular with the lying between them proportion of the elastic material as a so-called mass-spring chain, which in turn via the elastic material 172 with the
  • Receiving storage device 130 connected, in particular operatively connected.
  • Pendulum movements 158, 158a of the mass bodies 127, 127a cause, by their superposition, in turn a more complex time course of the counterforce of the compensation body 102 in the device 100 according to the invention.
  • the mass bodies 127, 127a can have different geometric shapes and / or masses ml, m2.
  • the skilled person will choose here as well as in the selection and execution of the active agent 143 for producing the operative connection between the individual mass bodies 127, 127a and the receiving storage device 130 for the specific application optimized parameter.
  • the number of mass bodies and the elastic property of the respective operative connection plays a central role in order to achieve a course of the counterforce optimized for the application.
  • FIG. 5 c shows a modified embodiment of the embodiment according to FIG. 5 a, wherein the main element 126 is elastically and thus relatively movably connected to the receiving storage device 130 via a spring element 174, in particular a helical spring.
  • this embodiment also essentially does not differ from the exemplary embodiments already described.
  • it may also be advantageous instead of or in addition to the spring element 174, an elastic element made of an elastic material 172 and / or a
  • Insert damping element as active agent 143 is Insert damping element as active agent 143.
  • a variety of combination options are available to the person skilled in the art which, depending on the situation, can advantageously be used according to the invention.
  • Embodiments of the device 100 according to the invention for the reduction and / or compensation of vibrations.
  • the active means 143 in such a way that its effect, in particular the elastic operative connection between the main body (126) and the receiving storage device (130) depends on the direction of movement of the driving device. This can be done, inter alia, in embodiments according to FIGS. 2, 4 a, 4 e, 5 a and / or 5 b by targeted training and / or arrangement-for example local compaction-of the elastic elements 142 serving as active means 143 or
  • Materials 172 can be achieved.
  • the spring elements 162, 164, 166, 168, 174 can be provided with different elastic properties on the opposite sides of the respective receiving device 130 seen along the direction 156.
  • Fig. 6 shows a modified embodiment of the device 100 according to the invention shown in FIG. 2, wherein the drive mechanism 104 is formed as an eccentric drive.
  • Such drives are well known to those skilled in the art and serve as the tumbling drive described above, the conversion of a rotary motion 122 in an oscillating axial movement 158
  • Device 100 according to the invention corresponds to the operation of the first embodiment, so that reference is made to the preceding description.
  • the operation of the device 100 according to the invention corresponds to the operation of the first embodiment, so that reference is made to the preceding description.
  • the drive mechanism 104 is an electromagnetic, electromotive, piezoelectric,
  • Magnetostrictive or other kind of drive comprises, in particular consists of this.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

L’invention concerne un dispositif (100) de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, comprenant au moins un corps de compensation (102) mont mobile qui est pourvu d’un dispositif formant palier de réception (130) et d’un corps principal (126). Un mécanisme d’entraînement (104) permettant d’entraîner le ou les corps de compensation (102), de préférence de manière répétée, agit sur le corps de compensation (102). Selon l’invention, le mécanisme d’entraînement (104) comprend un élément d’entraînement (114) qui coopère avec le dispositif formant palier de réception (130) pour entraîner le corps principal (126), le dispositif formant palier de réception (130) étant lié en mouvement au corps principal (126), en particulier de manière délimitée en mouvement.
EP10718159A 2009-07-02 2010-05-04 Dispositif de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, destiné à être utilisé dans des machines-outils à main Withdrawn EP2448719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910027423 DE102009027423A1 (de) 2009-07-02 2009-07-02 Vorrichtung zur Reduktion und/oder Kompensation von Vibrationen, insbesondere für eine Handwerkzeugmaschine und zur Verwendung in Handwerkzeugmaschinen
PCT/EP2010/055995 WO2011000609A1 (fr) 2009-07-02 2010-05-04 Dispositif de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, destiné à être utilisé dans des machines-outils à main

Publications (1)

Publication Number Publication Date
EP2448719A1 true EP2448719A1 (fr) 2012-05-09

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EP10718159A Withdrawn EP2448719A1 (fr) 2009-07-02 2010-05-04 Dispositif de réduction et/ou compensation de vibrations, en particulier pour une machine-outil à main, destiné à être utilisé dans des machines-outils à main

Country Status (3)

Country Link
EP (1) EP2448719A1 (fr)
DE (1) DE102009027423A1 (fr)
WO (1) WO2011000609A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007725A1 (de) 2011-04-20 2012-10-25 Hilti Aktiengesellschaft Handwerkzeugmaschine und Tilger
JP6441588B2 (ja) * 2014-05-16 2018-12-19 株式会社マキタ 打撃工具
JP6278830B2 (ja) * 2014-05-16 2018-02-14 株式会社マキタ 打撃工具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4863942B2 (ja) * 2006-08-24 2012-01-25 株式会社マキタ 打撃工具
DE102006046472A1 (de) 2006-09-29 2008-04-03 Robert Bosch Gmbh Schlagvorrichtung
DE102006053105A1 (de) * 2006-11-10 2008-05-15 Robert Bosch Gmbh Handwerkzeugmaschinenschlagwerkvorrichtung
DE102008000677A1 (de) 2008-03-14 2009-09-17 Robert Bosch Gmbh Handwerkzeugmaschine für schlagend angetriebene Einsatzwerkzeuge
DE102008041890A1 (de) 2008-09-09 2010-03-11 Robert Bosch Gmbh Koppelbolzen, Werkzeugmaschine und Herstellverfahren für einen Koppelbolzen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011000609A1 *

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