EP0771618B1 - Outil pour forer et/ou ciseler - Google Patents
Outil pour forer et/ou ciseler Download PDFInfo
- Publication number
- EP0771618B1 EP0771618B1 EP96810496A EP96810496A EP0771618B1 EP 0771618 B1 EP0771618 B1 EP 0771618B1 EP 96810496 A EP96810496 A EP 96810496A EP 96810496 A EP96810496 A EP 96810496A EP 0771618 B1 EP0771618 B1 EP 0771618B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drilling
- bearing
- wobble
- countershaft
- pinion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- B25D11/062—Means for driving the impulse member comprising a wobbling mechanism, swash plate
Definitions
- the invention relates to a drilling and / or chisel device with a striking mechanism a wobble pin of a wobble mechanism is driven.
- a drilling and chiseling device is known, the striking mechanism and whose tool spindle is driven by an electric drive motor.
- a wobble mechanism is arranged between the drive motor and the striking mechanism, that consists of a gear shaft with two bearings, one on the gear shaft non-rotatably arranged hub body, one arranged on the hub body, compared to this freely rotatable swash ring with a wobble pin and one with the drive motor cooperating, non-rotatably connected to the gear shaft Drive pinion.
- the non-rotatable connection of the hub body and the Drive pinion opposite the gear shaft is used on the hub body and the drive pinion arranged internal spline, which in an external spline the gear shaft engages.
- The serves as the rotary drive for the tool spindle Output sprocket external spline toothing of the gear shaft, which rotates in a engages gear connected to the tool spindle.
- the spline gears are manufactured on processing machines whose high Hourly rates negatively affect the manufacturing costs of the gear shaft, the bearing body and the drive pinion. Because of this high manufacturing cost, this can known drilling and / or chiseling device cannot be produced economically.
- the invention has for its object to provide a drilling and / or chisel device, its striking mechanism and tool spindle drive are simple and easy to assemble as well as being economically producible.
- the object is achieved in that for actuating the wobble pin an integral countershaft is provided which has a groove for one Swash ring having wobble pin, at least one drive pinion and on both sides of the Groove has one bearing each.
- the countershaft according to the invention in which the raceway and the drive pinion are in one piece arranged on it is simple in its construction, economical to manufacture and can be installed quickly and safely in the drilling and / or chiseling device.
- the two Bearing points are spaced apart and act with corresponding ones in the housing of the drilling and / or chiseling device arranged storage areas together.
- the countershaft has the groove on one, essentially one spherical bearing body forming outer contour.
- the groove runs inclined to the longitudinal axis of the countershaft and is used to accommodate, for example Balls protruding into another groove on the inside of a swash ring.
- On the wobble ring is the wobble pin projecting radially from the wobble ring.
- the first is expediently located at a first, free end of the countershaft Bearing arranged.
- This freely accessible bearing point can be used in a plain bearing be pressed into a corresponding storage area of the housing.
- the diameter of the bearing corresponds to the inside diameter of the plain bearing.
- This first bearing point can be from the opposite of the drilling direction, free end of the countershaft be formed.
- the drive pinion is arranged between the first bearing point and the raceway. The The drive pinion is thus located in the area of the first, free end of the countershaft.
- the one transferred from the countershaft to the striking mechanism via the wobble pin Drive movement creates loads that are perpendicular to the longitudinal extension on the Counter shaft act.
- a good storage or support of the countershaft is achieved by preferably between the second, free end of the countershaft and the groove is arranged the second bearing point.
- the drive pinion of which preferably has a larger effective diameter has as the output pinion, a tool spindle can be driven in this way that the speed of the tool spindle is lower than the speed of the drive motor.
- the drilling and chiseling device shown in FIGS. 1 and 2 has a housing 1 a handle 6 in an end region of the housing opposite the drilling direction 1, an operating switch 7 arranged in the handle 6, one from the handle 6 protruding electric cable 8 and one with a tool spindle 23 in connection standing tool holder 9 in an end region of the drilling direction Housing 1 on.
- the tool holder 9 is a drilling or chisel tool, not shown used.
- the housing 1 consists of a counter to the drilling direction to the tool holder 9 adjoining gear housing 2 and one to the Gear housing 2 connecting motor housing 3 together.
- an electric drive motor 4 is arranged, which is connected to the actuation switch 7 can be switched on.
- the wobble mechanism 25 shown in particular in FIG. 2 is composed of a countershaft 11 with two bearings 19, 20, a drive pinion 10, one on the countershaft 11 arranged groove 15, a wobble ring 13, one on the wobble ring 13 arranged groove 16, a plurality of balls 14 and one arranged on the swash ring 13 Swashpin 12 together.
- the swash ring 13 is on the balls 14 with respect to the countershaft 11 in the circumferential direction rotatably mounted.
- the balls 14 partially protrude into the inclined to the longitudinal axis of the countershaft 11, arranged on the outer contour of the countershaft 11, circumferential groove 15, and partially in the on the inner contour of the Swash ring 13 arranged groove 16.
- the drive pinion 10 acts with a toothing the drive shaft 5 of the drive motor 4 together.
- free end is the first bearing 19, which is is supported on a first bearing region 17 of the housing 1 via a slide bearing 26.
- An output pinion is located on a free end of the countershaft 11 facing the drilling direction 21 arranged in a rotatably connected to a tool spindle 23 Gear 22 engages.
- the second bearing 20 is arranged, which is a ball bearing 27 is supported on a second bearing area 18 of the housing 1.
- the striking mechanism 28 is composed of a cylinder 29 and an axially displaceable in the cylinder 29 Percussion piston 30 together.
- the cylinder 29 is in one of the drilling directions opposite end area closed.
- a movement joint 31 arranged with a pivot pin 32 which is perpendicular to the longitudinal extent of the pivot pin 32 extending bore.
- the grips into this hole Swash pin 12 of the swash ring 13 a longitudinally displaceable.
- the cylinder 29 is secured against rotation with the wobble pin 12 coupled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Claims (6)
- Outil de forage et/ou de burinage comportant un mécanisme de percussion (28) qui est entraíné par un axe oscillant (12) d'un mécanisme oscillant (25), caractérisé en ce que pour l'actionnement de l'axe oscillant (12) il est prévu un arbre intermédiaire (11) d'une seule pièce qui présente une gorge de roulement (15) pour un anneau oscillant (13) présentant l'axe oscillant (12), au moins un pignon d'entraínement (10) et un palier (19, 20) sur chacun des deux côtés de la gorge de roulement (15).
- Outil de forage et/ou de burinage selon la revendication 1, caractérisé en ce que le premier palier (19) est disposé sur une première extrémité libre de l'arbre intermédiaire (11).
- Outil de forage et/ou de burinage selon la revendication 2, caractérisé en ce que le pignon d'entraínement (10) est disposé entre le premier palier (19) et la gorge de roulement (15).
- Outil de forage et/ou de burinage selon l'une des revendications 1 à 3, caractérisé en ce que le deuxième palier (20) est disposé entre la deuxième extrémité libre de l'arbre intermédiaire (11) et la gorge de roulement (15).
- Outil de forage et/ou de burinage selon la revendication 4, caractérisé en ce qu'un pignon mené (21) est disposé sur la deuxième extrémité libre de l'arbre intermédiaire (11).
- Outil de forage et/ou de burinage selon la revendication 5, caractérisé en ce que le pignon d'entraínement (10) présente un plus grand diamètre que le pignon mené (21).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19540396 | 1995-10-30 | ||
DE19540396A DE19540396A1 (de) | 1995-10-30 | 1995-10-30 | Bohr- und/oder Meisselgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0771618A2 EP0771618A2 (fr) | 1997-05-07 |
EP0771618A3 EP0771618A3 (fr) | 1998-06-10 |
EP0771618B1 true EP0771618B1 (fr) | 2002-01-02 |
Family
ID=7776170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96810496A Expired - Lifetime EP0771618B1 (fr) | 1995-10-30 | 1996-07-26 | Outil pour forer et/ou ciseler |
Country Status (5)
Country | Link |
---|---|
US (1) | US5787996A (fr) |
EP (1) | EP0771618B1 (fr) |
JP (1) | JPH09168979A (fr) |
CN (1) | CN1068538C (fr) |
DE (2) | DE19540396A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19955412A1 (de) * | 1999-11-18 | 2001-05-23 | Hilti Ag | Bohr- und Meisselgerät |
GB0008465D0 (en) | 2000-04-07 | 2000-05-24 | Black & Decker Inc | Rotary hammer mode change mechanism |
GB0125749D0 (en) * | 2001-10-26 | 2001-12-19 | Black & Decker Inc | Power tool |
DE10111748A1 (de) * | 2001-03-12 | 2002-09-19 | Hilti Ag | Schaltwerk für ein kombiniertes Handwerkzeuggerät |
DE10140319A1 (de) * | 2001-08-16 | 2003-03-13 | Bosch Gmbh Robert | Handwerkzeugmaschine, insbesondere Bohr- und/oder Meißelhammer |
WO2003035328A1 (fr) * | 2001-10-26 | 2003-05-01 | Black & Decker Inc | Marteau |
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 |
JP3976187B2 (ja) * | 2002-11-20 | 2007-09-12 | 株式会社マキタ | ハンマードリル |
DE10312981A1 (de) * | 2003-03-24 | 2004-10-07 | Robert Bosch Gmbh | Elektrohandwerkzeugmaschine |
DE102004020177B4 (de) * | 2004-04-24 | 2024-07-18 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem drehenden und/oder schlagenden Antrieb |
GB2433716A (en) * | 2005-12-29 | 2007-07-04 | Bosch Gmbh Robert | Hammer drill and/or hammer chisel with bevel gear |
DE102007001494B3 (de) * | 2007-01-10 | 2008-07-10 | Aeg Electric Tools Gmbh | Handgeführter Bohrhammer |
US7735575B2 (en) | 2007-11-21 | 2010-06-15 | Black & Decker Inc. | Hammer drill with hard hammer support structure |
US7770660B2 (en) | 2007-11-21 | 2010-08-10 | Black & Decker Inc. | Mid-handle drill construction and assembly process |
US7854274B2 (en) | 2007-11-21 | 2010-12-21 | Black & Decker Inc. | Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing |
US7717192B2 (en) | 2007-11-21 | 2010-05-18 | Black & Decker Inc. | Multi-mode drill with mode collar |
US7717191B2 (en) | 2007-11-21 | 2010-05-18 | Black & Decker Inc. | Multi-mode hammer drill with shift lock |
US7762349B2 (en) | 2007-11-21 | 2010-07-27 | Black & Decker Inc. | Multi-speed drill and transmission with low gear only clutch |
US7798245B2 (en) | 2007-11-21 | 2010-09-21 | Black & Decker Inc. | Multi-mode drill with an electronic switching arrangement |
CN101444909B (zh) * | 2007-11-27 | 2013-03-27 | 希尔蒂股份公司 | 具有气动冲击装置的手持式工具机 |
CN101694147B (zh) * | 2009-10-17 | 2011-11-16 | 中北大学 | 高水基液压凿岩机 |
US8636081B2 (en) | 2011-12-15 | 2014-01-28 | Milwaukee Electric Tool Corporation | Rotary hammer |
EP2601017A1 (fr) * | 2010-06-09 | 2013-06-12 | Bosch Power Tools (China) Co., Ltd. | Mécanisme de percussion |
US9630307B2 (en) | 2012-08-22 | 2017-04-25 | Milwaukee Electric Tool Corporation | Rotary hammer |
CN206200893U (zh) * | 2016-10-20 | 2017-05-31 | 布兰特·戈登·麦克阿瑟 | 一种可配合家用电钻使用的电动凿具 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2449191C2 (de) * | 1974-10-16 | 1988-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Hammer |
DE2820128A1 (de) * | 1978-05-09 | 1979-11-22 | Bosch Gmbh Robert | Handwerkzeugmaschine |
DE3120326A1 (de) * | 1980-10-21 | 1982-05-27 | Robert Bosch Gmbh, 7000 Stuttgart | Bohrhammer |
FI67126C (fi) * | 1982-09-27 | 1985-01-10 | Tampella Oy Ab | Kontinuerligt roterande slagborrmaskin |
NL8304043A (nl) * | 1983-11-24 | 1985-06-17 | Skil Nederland Nv | Inrichting voor het aandrijven van een boor- en/of slaggereedschap. |
DE3506695A1 (de) * | 1985-02-26 | 1986-08-28 | Robert Bosch Gmbh, 7000 Stuttgart | Bohrhammer |
DE3516494A1 (de) * | 1985-05-08 | 1986-11-13 | Hilti Ag, Schaan | Bohrhammer |
DE9015285U1 (de) * | 1990-02-13 | 1991-06-06 | Kiefer, Klaus Jürgen, 2000 Hamburg | Hand-Werkzeugmaschine für mehrere Arbeits-Funktionen |
CN2098341U (zh) * | 1991-05-20 | 1992-03-11 | 庄建龙 | 一种电钻变冲击电钻的装置 |
DE4215288A1 (de) * | 1991-07-08 | 1993-01-14 | Bosch Gmbh Robert | Bohrhammer |
-
1995
- 1995-10-30 DE DE19540396A patent/DE19540396A1/de not_active Withdrawn
-
1996
- 1996-07-26 EP EP96810496A patent/EP0771618B1/fr not_active Expired - Lifetime
- 1996-07-26 DE DE59608538T patent/DE59608538D1/de not_active Expired - Lifetime
- 1996-09-25 CN CN96113372A patent/CN1068538C/zh not_active Expired - Fee Related
- 1996-10-16 US US08/730,975 patent/US5787996A/en not_active Expired - Fee Related
- 1996-10-30 JP JP8288461A patent/JPH09168979A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0771618A2 (fr) | 1997-05-07 |
DE19540396A1 (de) | 1997-05-07 |
JPH09168979A (ja) | 1997-06-30 |
DE59608538D1 (de) | 2002-02-07 |
CN1153091A (zh) | 1997-07-02 |
EP0771618A3 (fr) | 1998-06-10 |
CN1068538C (zh) | 2001-07-18 |
US5787996A (en) | 1998-08-04 |
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