EP1000712A2 - Foreuse à percussion - Google Patents

Foreuse à percussion Download PDF

Info

Publication number
EP1000712A2
EP1000712A2 EP99121944A EP99121944A EP1000712A2 EP 1000712 A2 EP1000712 A2 EP 1000712A2 EP 99121944 A EP99121944 A EP 99121944A EP 99121944 A EP99121944 A EP 99121944A EP 1000712 A2 EP1000712 A2 EP 1000712A2
Authority
EP
European Patent Office
Prior art keywords
weight body
drilling tool
tool axis
rod
hammer
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.)
Granted
Application number
EP99121944A
Other languages
German (de)
English (en)
Other versions
EP1000712A3 (fr
EP1000712B1 (fr
EP1000712B9 (fr
Inventor
Peter Ziegler
Stephan Kuchinke
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.)
Metabowerke GmbH and Co
Original Assignee
Metabowerke GmbH and Co
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 Metabowerke GmbH and Co filed Critical Metabowerke GmbH and Co
Publication of EP1000712A2 publication Critical patent/EP1000712A2/fr
Publication of EP1000712A3 publication Critical patent/EP1000712A3/fr
Publication of EP1000712B1 publication Critical patent/EP1000712B1/fr
Application granted granted Critical
Publication of EP1000712B9 publication Critical patent/EP1000712B9/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
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • 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

Definitions

  • the invention relates to a hammer drill with a Air cushion percussion, in which an excitation sleeve, the forms a space receiving the air cushion and in the a percussion piston is reciprocable, concentric to Drilling tool axis is arranged, and with a die Excitation sleeve back and forth in the direction of the drilling tool axis moving wobble mechanism whose the Swashplate driving rotary element on one parallel to the drilling tool axis but at a distance next to this is provided rotatably drivable.
  • wobble drive device is a Understand rotation / translation converter device, at which is the rotational movement of a drive-side element into a linear translation movement of an output side Elements is implemented.
  • a rotating element acts here such as on what is referred to below as the swash plate Swash element that this tilts back and forth is driven while doing another element in linear Can translate movement.
  • a hammer drill of the type described above is from the DB 196 51 828 A1 (Bosch) known.
  • the present invention is the Task based on the mass accelerations or delayed vibrations in the known hammer drill and the associated Reduce handling difficulties.
  • This weight body forms a counterweight and generates counter moments to those resulting from the Exciting sleeve movement occurring moving masses and Moments. It was found with the invention that a significant increase in smoothness due to the linear moving weight body is achieved, in one such dimensions as is the result of a mass enrichment of the Swashplate not achieved on the corresponding side can be. This is because it is optimal Balance in this case cannot be achieved because the local mass accumulation on the swashplate none linear but one that swings with the swashplate would perform movement unlike that Conditions on the percussion side where the exciter sleeve is also provided linearly movable.
  • the weight body is forced advantageously by a housing fixed in operation Component of the hammer drill formed.
  • Component of the hammer drill formed is the forced operation formed at least one linearly extending rod, which is held on a housing-fixed component and in a Direction of movement linearly extended guide recess in engages the weight body.
  • This extended linearly Guide recess could, for example, have a through opening in the weight body.
  • the guide recess in the Weight body is designed as an open edge recess, since in such a case the forced operation on the outside of the Weight body can be realized. This creates Installation space inside the weight body that is used for training the coupling to the swash plate is available.
  • the Advantageously forming rod advantageously Round rod is the Advantageously forming rod advantageously Round rod.
  • the length of the rod could be compared to that Longitudinal extension of the weight body is shorter be and for example only in a central area of the Weight body to be arranged.
  • the Weight body formed essentially cuboid is.
  • it can be essentially divided into one cuboid, preferably below the striking mechanism arrange the designated area. It is precisely in this area creating additional space for the weight body unproblematic and not disturbing.
  • the coupling of the Weight body on the swashplate can in itself be realized in any way so that the commuting Swashplate movement in a linear reciprocating motion Movement of the weight body can be changed.
  • the Weight body an opening for receiving a radial Has extension of the swash plate.
  • the radial extension can be integrally formed with the swash plate or it can be an in itself act in any way attachable approach.
  • a dome-shaped Coupling attachment piece can be provided on the weight body.
  • the formation of an opening proves to be technically easier and above all space-saving.
  • the radial coupling extension on the Swashplate is advantageously spherical trained and thus includes a slimming Swashplate out. This facilitates the clutch to that Weight body.
  • FIG. 1 shows one designed according to the invention Hammer drill.
  • One extends from an electric motor 2 Drive shaft 4 in the figure vertically upwards.
  • About one Angular gear 6 is a drive deflection by 90 ° reached, which leads to a pinion 8.
  • the axis of rotation of pinion 8 is parallel to drilling tool axis 10 usable in the front area in a chuck body 12 tool not shown in the figure, however it is a drilling tool but also a clean one Percussion tool, such as a chisel.
  • the pinion 8 is in meshing engagement with a gear 14, which is rotatably arranged on an intermediate shaft 16 which in turn is parallel to the drilling tool axis 10 extends forward.
  • a gear 18 In a front section of the The intermediate shaft 16 is again a gear 18 intended.
  • a turning test In addition to the intermediate shaft 16 and concentric to Drilling tool axis 10 is a turning test with the tool connected outer sleeve 20 is provided, which by means of a displaceable back and forth in the direction of the tool axis 10 Coupling element 22 by meshing engagement with the Gear 18 in drive connection or except Drive connection can be brought.
  • an excitation sleeve 24 in Movable back and forth in the direction of the drilling tool axis 10 intended.
  • the excitation sleeve 24 defines a space 26, which delimits an air cushion and a percussion piston 28 again in the longitudinal direction of the drilling tool axis 10 slidably accommodates.
  • the air cushion in a known per se Relaxed or compressed and thereby a back and forth Movement of the percussion piston 28 caused.
  • the percussion piston 28 exercises with its front end face 30 an impact on an intermediate plunger 32 from the the drilling tool, not shown, is transmitted.
  • the wobble drive device 34 includes a Rotating element 36 which on the intermediate shaft 16 stored and rotatable relative to this.
  • the Rotating element 36 can be moved by moving one Coupling sleeve 38, which rotatably on the intermediate shaft 16th is provided, via a dog clutch 40 on its Coupling sleeve 38 facing side rotatably with the Intermediate shaft 16 are connected (impact operation).
  • the Rotation element 36 is from a swash plate element 42 surrounded, with rolling elements 44 provided between them are such that the rotating element 36 the inner shell and the swash plate 42 the outer shell of the thereby represents formed camp.
  • the swash plate 42 includes on their side facing the excitation sleeve 24 pin-shaped approach 46, which may be under Interposition of a spherical bearing in an opening 48 the exciter sleeve engages.
  • a weight body 50 is such provided that it extends through the swash plate 42 driven linearly and in parallel to the Drilling tool axis 10 can move back and forth.
  • the Forced control is achieved by using the two Long sides 52, 54 of the cuboid weight body 50 open guide recesses 56, 58 are formed, have the pitch circle shape and one parallel to each Tool axis 10 extending rod 60, 62 as Take up longitudinal guide means.
  • the rods 60, 62 are with their longitudinal ends 64, 66 on a housing fixed in operation Component 68, 70 held.
  • the weight body 50 comprises a bore Opening 72 into which a coupling means 74 in the form of a integrally formed on the swash plate 42 spherical head-shaped extension 76 if necessary Intervening order of a spherical bearing intervenes.
  • the linear back and forth movable weight body 50 is cuboid Housing section 78 of the machine housing housed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
EP99121944A 1998-11-11 1999-11-08 Foreuse à percussion Expired - Lifetime EP1000712B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19851888 1998-11-11
DE19851888A DE19851888C1 (de) 1998-11-11 1998-11-11 Bohrhammer

Publications (4)

Publication Number Publication Date
EP1000712A2 true EP1000712A2 (fr) 2000-05-17
EP1000712A3 EP1000712A3 (fr) 2003-02-05
EP1000712B1 EP1000712B1 (fr) 2007-01-10
EP1000712B9 EP1000712B9 (fr) 2008-02-20

Family

ID=7887350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121944A Expired - Lifetime EP1000712B9 (fr) 1998-11-11 1999-11-08 Foreuse à percussion

Country Status (4)

Country Link
US (1) US6112830A (fr)
EP (1) EP1000712B9 (fr)
DE (2) DE19851888C1 (fr)
ES (1) ES2281157T3 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005092575A1 (fr) * 2004-03-16 2005-10-06 Wacker Construction Equipment Ag Transmission a came oscillante
WO2007077946A2 (fr) * 2005-12-28 2007-07-12 Hitachi Koki Co., Ltd. Percuteur
WO2008006634A1 (fr) * 2006-07-12 2008-01-17 Robert Bosch Gmbh Outil électroportatif muni d'un groupe de percussion
WO2008010468A1 (fr) * 2006-07-20 2008-01-24 Hitachi Koki Co., Ltd. Outil électrique
EP1892062A2 (fr) * 2006-08-24 2008-02-27 Makita Corporation Outil à percussion électrique
WO2009077241A1 (fr) * 2007-12-19 2009-06-25 Robert Bosch Gmbh Entraînement oscillant d'une machine-outil à main
WO2010012521A1 (fr) * 2008-07-28 2010-02-04 Robert Bosch Gmbh Dispositif de percussion
EP2230051A1 (fr) * 2009-03-17 2010-09-22 Robert Bosch GmbH Outil manuel doté d'un oscillateur
CN102848354A (zh) * 2011-07-01 2013-01-02 株式会社牧田 打击工具
CN104249349A (zh) * 2013-06-28 2014-12-31 罗伯特·博世有限公司 手持式工具机驱动装置
CN105377510A (zh) * 2012-12-31 2016-03-02 罗伯特·博世有限公司 具有流体驱动配重的往复工具
EP3235599A4 (fr) * 2015-01-29 2018-08-29 Makita Corporation Outil de travail
EP3646918A1 (fr) * 2018-11-05 2020-05-06 Mt.Derm Dispositif de perçage d'un tissu organique ainsi que module d'entraînement

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0100605D0 (en) * 2001-01-10 2001-02-21 Black & Decker Inc Hammer
DE10103141A1 (de) * 2001-01-24 2002-07-25 Hilti Ag Elektrohandwerkzeuggerät mit Leerschlagabschaltung
DE10103996C1 (de) * 2001-01-30 2002-10-02 Wacker Werke Kg Luftfederschlagwerk für einen Schlag- und/oder Bohrhammer mit kurz bauendem Antriebskolben
DE10136515C2 (de) * 2001-07-26 2003-10-23 Wacker Construction Equipment Bohr- und/oder Schlaghammer mit Handgriff
US20050087352A1 (en) * 2002-07-04 2005-04-28 Atlas Copco Electric Tools Gmbh Portable Tool
US6932166B1 (en) * 2002-12-03 2005-08-23 Paul Kirsch Pneumatic tool
DK1818141T3 (da) * 2003-03-21 2010-08-23 Black & Decker Inc Vibrationsreduceringsindretning til værktøjsmaskine og værktøjsmaskine, der indeholder en sådan indretning
EP1464449B1 (fr) * 2003-04-01 2010-03-24 Makita Corporation Outil électrique
DE102004020177A1 (de) * 2004-04-24 2005-11-17 Robert Bosch Gmbh Handwerkzeugmaschine mit einem drehenden und/oder schlagenden Antrieb
WO2005105386A1 (fr) * 2004-04-30 2005-11-10 Makita Corporation Outil de travail
GB2429675A (en) * 2005-06-23 2007-03-07 Black & Decker Inc Vibration dampening mechanism
US7383895B2 (en) * 2005-08-19 2008-06-10 Makita Corporation Impact power tool
JP4362657B2 (ja) * 2005-09-07 2009-11-11 ヨコタ工業株式会社 電動式衝撃締め付け工具
WO2008006635A1 (fr) * 2006-07-10 2008-01-17 Robert Bosch Gmbh Machine-outil à main
RU2464158C2 (ru) * 2007-05-01 2012-10-20 Хитачи Коки Ко., Лтд. Ручная машина с возвратно-поступательным движением рабочего органа
JP5126574B2 (ja) * 2007-05-01 2013-01-23 日立工機株式会社 往復動工具
EP2142342B1 (fr) * 2007-05-01 2015-06-24 Hitachi Koki CO., LTD. Outil à mouvement alternatif
DE102008000687A1 (de) * 2008-03-14 2009-09-17 Robert Bosch Gmbh Handwerkzeugmaschine für schlagend angetriebene Einsatzwerkzeuge
DE102008000677A1 (de) * 2008-03-14 2009-09-17 Robert Bosch Gmbh Handwerkzeugmaschine für schlagend angetriebene Einsatzwerkzeuge
GB0912283D0 (en) * 2009-07-15 2009-08-26 Black & Decker Inc Motor driven hammer having means for controlling the power of impact
US8636081B2 (en) 2011-12-15 2014-01-28 Milwaukee Electric Tool Corporation Rotary hammer
DE102010062094A1 (de) * 2010-11-29 2012-05-31 Robert Bosch Gmbh Hammerschlagwerk
US8393409B2 (en) * 2010-12-29 2013-03-12 Ortho Technologies, Llc Electric motor driven tool for orthopedic impacting
US8936105B2 (en) * 2010-12-29 2015-01-20 Medical Enterprises LLC Electric motor driven tool for orthopedic impacting
ES2724623T3 (es) * 2010-12-29 2019-09-12 Depuy Synthes Products Inc Herramienta accionada con motor eléctrico para impacto ortopédico
US8695726B2 (en) 2010-12-29 2014-04-15 Medical Enterprises LLC Electric motor driven tool for orthopedic impacting
DE102012005864A1 (de) 2011-10-22 2013-04-25 Wolfgang Schmid Taumelwelle mit integrierter Sicherheitskupplung und Verriegelung
US10149711B2 (en) 2012-03-30 2018-12-11 Depuy Mitek, Llc Surgical impact tool
DE102014200393A1 (de) 2014-01-13 2015-07-16 Metabowerke Gmbh Schlagwerkseinheit
EP4234171A1 (fr) * 2022-02-24 2023-08-30 Hilti Aktiengesellschaft Outil électrique doté d'un mécanisme de marteau

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Publication number Priority date Publication date Assignee Title
CH546132A (de) * 1971-12-22 1974-02-28 Ruettimann Ernst Elektrohammer mit pendelschlagsystem.
GB2048753A (en) * 1979-04-30 1980-12-17 Hilti Ag Hammer Drill
DE3427342A1 (de) * 1984-07-25 1986-01-30 Robert Bosch Gmbh, 7000 Stuttgart Bohrhammer

Family Cites Families (8)

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DE2820128A1 (de) * 1978-05-09 1979-11-22 Bosch Gmbh Robert Handwerkzeugmaschine
DE3506695A1 (de) * 1985-02-26 1986-08-28 Robert Bosch Gmbh, 7000 Stuttgart Bohrhammer
NL8801466A (nl) * 1988-06-07 1990-01-02 Emerson Electric Co Inrichting voor het aandrijven van een boor- en/of slaggereedschap.
DE4013512A1 (de) * 1990-04-27 1991-10-31 Black & Decker Inc Schalteinrichtung zum umschalten eines kraftgetriebenen werkzeugs
DE4135240A1 (de) * 1991-10-25 1993-04-29 Bosch Gmbh Robert Bohrhammer
DE4239294A1 (de) * 1992-11-23 1994-05-26 Black & Decker Inc Bohrhammer mit pneumatischem Schlagwerk
DE19646622B4 (de) * 1996-11-12 2004-07-01 Wacker Construction Equipment Ag An einem Handgriff führbares Arbeitsgerät
DE19651828A1 (de) * 1996-12-13 1998-06-18 Bosch Gmbh Robert Mehrganggetriebe für Handwerkzeugmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH546132A (de) * 1971-12-22 1974-02-28 Ruettimann Ernst Elektrohammer mit pendelschlagsystem.
GB2048753A (en) * 1979-04-30 1980-12-17 Hilti Ag Hammer Drill
DE3427342A1 (de) * 1984-07-25 1986-01-30 Robert Bosch Gmbh, 7000 Stuttgart Bohrhammer

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005092575A1 (fr) * 2004-03-16 2005-10-06 Wacker Construction Equipment Ag Transmission a came oscillante
WO2007077946A3 (fr) * 2005-12-28 2010-10-21 Hitachi Koki Co., Ltd. Percuteur
WO2007077946A2 (fr) * 2005-12-28 2007-07-12 Hitachi Koki Co., Ltd. Percuteur
WO2008006634A1 (fr) * 2006-07-12 2008-01-17 Robert Bosch Gmbh Outil électroportatif muni d'un groupe de percussion
RU2454312C2 (ru) * 2006-07-12 2012-06-27 Роберт Бош Гмбх Ручная машина с ударным механизмом
US7857074B2 (en) 2006-07-12 2010-12-28 Robert Bosch Gmbh Hand-held power tool with a percussion unit
WO2008010468A1 (fr) * 2006-07-20 2008-01-24 Hitachi Koki Co., Ltd. Outil électrique
US7588097B2 (en) 2006-08-24 2009-09-15 Makita Corporation Power impact tool
EP1892062A3 (fr) * 2006-08-24 2010-01-20 Makita Corporation Outil à percussion électrique
EP2540449A1 (fr) 2006-08-24 2013-01-02 Makita Corporation Outil électrique dýimpact
EP1892062A2 (fr) * 2006-08-24 2008-02-27 Makita Corporation Outil à percussion électrique
US8403075B2 (en) 2007-12-19 2013-03-26 Robert Bosch Gmbh Wobble drive of a hand-held power tool
CN101903133B (zh) * 2007-12-19 2013-05-08 罗伯特·博世有限公司 手持式工具机的摆动驱动装置
WO2009077241A1 (fr) * 2007-12-19 2009-06-25 Robert Bosch Gmbh Entraînement oscillant d'une machine-outil à main
WO2010012521A1 (fr) * 2008-07-28 2010-02-04 Robert Bosch Gmbh Dispositif de percussion
CN102105273A (zh) * 2008-07-28 2011-06-22 罗伯特·博世有限公司 冲击装置
CN102105273B (zh) * 2008-07-28 2014-05-28 罗伯特·博世有限公司 冲击装置
US8245791B2 (en) 2009-03-17 2012-08-21 Robert Bosch Gmbh Hand-held tool with a counter-vibration device
EP2230051A1 (fr) * 2009-03-17 2010-09-22 Robert Bosch GmbH Outil manuel doté d'un oscillateur
EP2540448A3 (fr) * 2011-07-01 2013-02-27 Makita Corporation Outil dýimpact
CN102848354A (zh) * 2011-07-01 2013-01-02 株式会社牧田 打击工具
CN102848354B (zh) * 2011-07-01 2015-09-09 株式会社牧田 打击工具
US9321163B2 (en) 2011-07-01 2016-04-26 Makita Corporation Impact tool
RU2606140C2 (ru) * 2011-07-01 2017-01-10 Макита Корпорейшн Ударный инструмент
CN105377510A (zh) * 2012-12-31 2016-03-02 罗伯特·博世有限公司 具有流体驱动配重的往复工具
CN104249349A (zh) * 2013-06-28 2014-12-31 罗伯特·博世有限公司 手持式工具机驱动装置
CN104249349B (zh) * 2013-06-28 2019-05-07 罗伯特·博世有限公司 手持式工具机驱动装置
EP3235599A4 (fr) * 2015-01-29 2018-08-29 Makita Corporation Outil de travail
EP3646918A1 (fr) * 2018-11-05 2020-05-06 Mt.Derm Dispositif de perçage d'un tissu organique ainsi que module d'entraînement

Also Published As

Publication number Publication date
EP1000712A3 (fr) 2003-02-05
DE59914142D1 (de) 2007-02-22
EP1000712B1 (fr) 2007-01-10
EP1000712B9 (fr) 2008-02-20
US6112830A (en) 2000-09-05
ES2281157T3 (es) 2007-09-16
DE19851888C1 (de) 2000-07-13

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