EP1151827A1 - Schlagendes Elektrohandwerkzeuggerät - Google Patents
Schlagendes Elektrohandwerkzeuggerät Download PDFInfo
- Publication number
- EP1151827A1 EP1151827A1 EP01810391A EP01810391A EP1151827A1 EP 1151827 A1 EP1151827 A1 EP 1151827A1 EP 01810391 A EP01810391 A EP 01810391A EP 01810391 A EP01810391 A EP 01810391A EP 1151827 A1 EP1151827 A1 EP 1151827A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- assembly
- hand tool
- tool device
- electric hand
- vibration
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/12—Means for driving the impulse member comprising a crank mechanism
- B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
-
- 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
- B25D2211/006—Parallel drill and motor spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/121—Housing details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/195—Regulation means
Definitions
- the invention relates to an at least partially striking electric hand tool device, for example a hammer drill or a chisel hammer, preferably with a pneumatic one Percussion.
- damping of this recoil energy by a relative movement of two assemblies with the interposition of a damping element depends principally on the dissipative Share of the deformation energy of the damping element decreases and increases in particular both with the deformation force amplitude and with the deformation path amplitude.
- the object of the invention is to further minimize the vibrations when striking Electric hand tools.
- Another aspect of this invention is in Realization of a low-wear drive chain between two relative to each other movable, vibration-decoupled assemblies of the handheld power tool
- the vibration-decoupled second assembly contains the Stator of the electric drive and the housing.
- the mass ratio of the two assemblies in the direction of a relatively larger Mass of the first assembly shifted, including towards a mass equality of both assemblies.
- Damping elements made of viscoelastic material are advantageously used, which with the vibration frequency in the working temperature range of the electric hand tool a lot Dissipate energy.
- the drive chain for the impact generation and / or rotary movement of the electric hand tool has a low-wear coupling means with respect to the relative movement, which as a torque-locking clutch by a magnetic rotating field of the stator is formed on an axially movable, brushless rotor.
- a low-wear coupling means with respect to the relative movement, which as a torque-locking clutch by a magnetic rotating field of the stator is formed on an axially movable, brushless rotor.
- a brushless rotor also eliminates those that wear out during an axial movement Collectors.
- Fig. 1 as a striking electric hand tool device.
- a striking electric hand tool device 1 has a bearing, For example, sliding or rolling bearings, limited along a tool axis A, for example 10 mm, movable first assembly with a striking mechanism 2, which one, a back and forth movement executing exciter piston 3, with a transformation gear 4, which includes an eccentric and two right-angled bevel gears, and with one rotatable about a rotor axis B parallel to the first vibration I of the first assembly and along this axially displaceable, collectorless rotor 5 of an electric drive and a second assembly with the second vibration II, which has a housing 6, a Stator 7 of the electric drive and the associated electric drive electronics 8 includes and relative to the first assembly via a prestressed elastic spring 9, for example Spiral compression spring, with a damping element 10 connected in parallel, made of viscoelastic Material with respect to the vibrations 1, II is vibration decoupled.
- a prestressed elastic spring 9 for example Spiral compression spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims (10)
- Elektrohandwerkzeuggerät zur Erzeugung einer zumindest schlagenden Bewegung eines Werkzeugs, mit einer, ein Schlagwerk (2) beinhaltenden, ersten Baugruppe, welche in einer, ein Gehäuse (6) aufweisenden, zweiten Baugruppe längs einer Werkzeugachse (A) begrenzt beweglich gelagert ist, dadurch gekennzeichnet, dass die erste Baugruppe einen, um eine parallel zu einer Vibration (I) der ersten Baugruppe orientierten Rotorachse (B) drehbaren, Rotor (5) eines Elektroantriebs aufweist.
- Elektrohandwerkzeuggerät nach Anspruch 1, dadurch gekennzeichnet, dass die erste Baugruppe ein Transformationsgetriebe aufweist.
- Elektrohandwerkzeuggerät nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die zweite Baugruppe zumindest einen Stator (7) des Elektroantriebs aufweist.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die zweite Baugruppe eine Elektroantriebselektronik (8) aufweist.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Rotor (5) kollektorlos ausgebildet ist.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Masse der ersten Baugruppe und die Masse der zweiten Baugruppe im wesentlichen gleich gross sind.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die erste Baugruppe mit der zweiten Baugruppe über eine elastische Feder (9) schwingungsentkoppelt verbunden ist.
- Elektrohandwerkzeuggerät nach Anspruch 7, dadurch gekennzeichnet, dass der Feder (9) ein Dämpfungselement (10) parallel zugeschaltet ist.
- Elektrohandwerkzeuggerät nach Anspruch 8, dadurch gekennzeichnet, dass das Dämpfungselement (10) aus viscoelastischem Material besteht.
- Elektrohandwerkzeuggerät nach Anspruch 9, dadurch gekennzeichnet, dass bei Arbeitstemperatur des Elektrohandwerkzeuggerätes (1) das viscoelastische Material bei der Vibrationsfrequenz eine optimale Energiedissipation aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10021355A DE10021355B4 (de) | 2000-05-02 | 2000-05-02 | Schlagendes Elektrohandwerkzeuggerät mit schwingungsentkoppelten Baugruppen |
DE10021355 | 2000-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1151827A1 true EP1151827A1 (de) | 2001-11-07 |
EP1151827B1 EP1151827B1 (de) | 2007-07-25 |
Family
ID=7640535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01810391A Expired - Lifetime EP1151827B1 (de) | 2000-05-02 | 2001-04-23 | Schlagendes Elektrohandwerkzeuggerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US6902012B2 (de) |
EP (1) | EP1151827B1 (de) |
JP (1) | JP4778630B2 (de) |
CN (1) | CN100439043C (de) |
DE (2) | DE10021355B4 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1862266A2 (de) * | 2006-05-30 | 2007-12-05 | HILTI Aktiengesellschaft | Schlagende Handwerkzeugmaschine mit axial beweglich gelagertem Schlagwerk |
EP3213876A4 (de) * | 2014-11-12 | 2018-07-11 | Makita Corporation | Schlagvorrichtung |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3680941B2 (ja) * | 2002-01-18 | 2005-08-10 | マックス株式会社 | コンクリートドリル |
DE602004026134D1 (de) * | 2003-04-01 | 2010-05-06 | Makita Corp | Kraftwerkzeug |
DE10358033B4 (de) * | 2003-12-11 | 2007-05-03 | Hilti Ag | Antriebsanordnung |
EP1779979B1 (de) * | 2004-04-30 | 2018-02-21 | Makita Corporation | Arbeitswerkzeug |
EP1674213B1 (de) * | 2004-12-23 | 2008-10-01 | BLACK & DECKER INC. | Kraftwerkzeug mit Kühlvorrichtung |
ATE396841T1 (de) * | 2004-12-23 | 2008-06-15 | Black & Decker Inc | Kraftwerkzeuggehäuse |
DE602005007166D1 (de) * | 2004-12-23 | 2008-07-10 | Black & Decker Inc | Kraftwerkzeuggehäuse |
JP4742613B2 (ja) * | 2005-02-24 | 2011-08-10 | マックス株式会社 | ドリル工具 |
ATE454248T1 (de) * | 2005-11-16 | 2010-01-15 | Metabowerke Gmbh | Motorisch angetriebener bohrhammer |
US7493682B2 (en) * | 2006-04-04 | 2009-02-24 | Richardson Thomas W | Apparatus and system for installing rivets in belt fasteners |
DE102006053105A1 (de) * | 2006-11-10 | 2008-05-15 | Robert Bosch Gmbh | Handwerkzeugmaschinenschlagwerkvorrichtung |
JP2008183633A (ja) * | 2007-01-26 | 2008-08-14 | Makita Corp | ハンマドリル |
DE102010025586B4 (de) * | 2009-07-01 | 2021-04-15 | Johnson Electric International AG | Elektrowerkzeug |
JP5574156B2 (ja) * | 2010-03-05 | 2014-08-20 | 日立工機株式会社 | ボルト締付機 |
DE102011007433A1 (de) * | 2010-04-20 | 2011-12-08 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
JP5534562B2 (ja) | 2010-07-14 | 2014-07-02 | 日立工機株式会社 | 電動工具 |
DE202010017883U1 (de) * | 2010-12-21 | 2013-02-08 | Robert Bosch Gmbh | Handwerkzeugmaschine |
DE102011081617A1 (de) * | 2011-08-26 | 2013-02-28 | Hilti Aktiengesellschaft | Handgehaltene Werkzeugmaschine |
US10821591B2 (en) | 2012-11-13 | 2020-11-03 | Milwaukee Electric Tool Corporation | High-power cordless, hand-held power tool including a brushless direct current motor |
JP6318603B2 (ja) * | 2013-12-20 | 2018-05-09 | 日立工機株式会社 | 打撃工具 |
JP6501414B2 (ja) * | 2014-03-25 | 2019-04-17 | 株式会社マキタ | 打撃工具 |
CN104677215A (zh) * | 2015-02-10 | 2015-06-03 | 东北大学 | 一种堵塞炮孔的疏通处理装置 |
KR101673542B1 (ko) * | 2016-05-12 | 2016-11-09 | 정은경 | 진동저감장치가 구비된 작물털이 겸용 항타기 |
KR101650906B1 (ko) | 2016-05-12 | 2016-08-24 | 주식회사 가우스 | 단동식 저진동 과수털기 겸용 항타기 |
US10875168B2 (en) | 2016-10-07 | 2020-12-29 | Makita Corporation | Power tool |
JP6863704B2 (ja) | 2016-10-07 | 2021-04-21 | 株式会社マキタ | 打撃工具 |
US10814468B2 (en) | 2017-10-20 | 2020-10-27 | Milwaukee Electric Tool Corporation | Percussion tool |
WO2019147919A1 (en) | 2018-01-26 | 2019-08-01 | Milwaukee Electric Tool Corporation | Percussion tool |
CN108544431B (zh) * | 2018-04-08 | 2020-12-15 | 惠安县螺阳邓先鹏建筑物清洁服务中心 | 一种冲击型转速可调的钻机 |
CN108543990B (zh) * | 2018-04-08 | 2019-09-27 | 泰州市晨虹数控设备制造有限公司 | 一种转速可调的钻机 |
JP6626944B2 (ja) * | 2018-09-11 | 2019-12-25 | 株式会社マキタ | 電動工具 |
JP7246202B2 (ja) | 2019-02-19 | 2023-03-27 | 株式会社マキタ | 震動機構付き電動工具 |
JP7229807B2 (ja) | 2019-02-21 | 2023-02-28 | 株式会社マキタ | 電動工具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5806609A (en) * | 1995-03-24 | 1998-09-15 | Hilti Aktiengesellschaft | Manually operable tool for drilling and/or removing material in brittle and/or low ductile material |
US5927407A (en) * | 1993-01-27 | 1999-07-27 | Lord Corporation | Isolated hand-held vibrating device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2907239A (en) * | 1957-01-08 | 1959-10-06 | Bosch Gmbh Robert | Rotary impact tool |
US3203490A (en) * | 1963-06-27 | 1965-08-31 | Black & Decker Mfg Co | Compact rotary hammer |
US3305031A (en) * | 1965-02-01 | 1967-02-21 | Ingersoll Rand Co | Power hammer |
SE391666B (sv) * | 1973-05-23 | 1977-02-28 | Atlas Copco Ab | Rekyldempningsanordning vid slaende maskiner |
DE2449191C2 (de) * | 1974-10-16 | 1988-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Hammer |
US4462467A (en) * | 1981-11-09 | 1984-07-31 | Hilti Aktiengesellschaft | Percussion drill machine |
DE3405922A1 (de) * | 1984-02-18 | 1985-08-22 | Robert Bosch Gmbh, 7000 Stuttgart | Handwerkzeugmaschine, insbesondere bohr- oder schlaghammer |
DE3826213A1 (de) * | 1988-08-02 | 1990-02-15 | Bosch Gmbh Robert | Bohr- oder schlaghammer |
US4905772A (en) * | 1988-09-01 | 1990-03-06 | Honsa Thomas W | Rotary power tool with vibration damping |
DE19510578A1 (de) * | 1995-03-23 | 1996-09-26 | Atlas Copco Elektrowerkzeuge | Handwerkzeugmaschine, insbesondere Schlagschrauber |
ATE345904T1 (de) * | 1997-01-30 | 2006-12-15 | Hilti Ag | Vorrichtung zur uebertragung von impulsartigen axialen schlägen auf ein bohrwerkzeug |
US5848655A (en) * | 1997-05-29 | 1998-12-15 | Ingersoll-Rand Company | Oscillating mass-based tool with dual stiffness spring |
DE19839963A1 (de) * | 1998-09-02 | 2000-03-09 | Hilti Ag | Elektrowerkzeug |
DE69905036T2 (de) * | 1999-09-01 | 2004-01-22 | Ramarathnam, Ramachandran | Elektrohandwerkzeug |
US6975050B2 (en) * | 2000-01-07 | 2005-12-13 | Black & Decker Inc. | Brushless DC motor |
-
2000
- 2000-05-02 DE DE10021355A patent/DE10021355B4/de not_active Expired - Fee Related
-
2001
- 2001-04-23 CN CNB011171081A patent/CN100439043C/zh not_active Expired - Fee Related
- 2001-04-23 DE DE50112753T patent/DE50112753D1/de not_active Expired - Lifetime
- 2001-04-23 EP EP01810391A patent/EP1151827B1/de not_active Expired - Lifetime
- 2001-05-01 US US09/846,931 patent/US6902012B2/en not_active Expired - Fee Related
- 2001-05-01 JP JP2001134168A patent/JP4778630B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5927407A (en) * | 1993-01-27 | 1999-07-27 | Lord Corporation | Isolated hand-held vibrating device |
US5806609A (en) * | 1995-03-24 | 1998-09-15 | Hilti Aktiengesellschaft | Manually operable tool for drilling and/or removing material in brittle and/or low ductile material |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1862266A2 (de) * | 2006-05-30 | 2007-12-05 | HILTI Aktiengesellschaft | Schlagende Handwerkzeugmaschine mit axial beweglich gelagertem Schlagwerk |
EP1862266A3 (de) * | 2006-05-30 | 2009-03-11 | HILTI Aktiengesellschaft | Schlagende Handwerkzeugmaschine mit axial beweglich gelagertem Schlagwerk |
EP3213876A4 (de) * | 2014-11-12 | 2018-07-11 | Makita Corporation | Schlagvorrichtung |
US10513022B2 (en) | 2014-11-12 | 2019-12-24 | Makita Corporation | Striking device |
Also Published As
Publication number | Publication date |
---|---|
JP4778630B2 (ja) | 2011-09-21 |
US20010037889A1 (en) | 2001-11-08 |
JP2001353668A (ja) | 2001-12-25 |
DE10021355A1 (de) | 2001-11-15 |
DE10021355B4 (de) | 2005-04-28 |
CN1321567A (zh) | 2001-11-14 |
EP1151827B1 (de) | 2007-07-25 |
DE50112753D1 (de) | 2007-09-06 |
CN100439043C (zh) | 2008-12-03 |
US6902012B2 (en) | 2005-06-07 |
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