CN102470523B - Hammer drill and/or cutter turning device - Google Patents
Hammer drill and/or cutter turning device Download PDFInfo
- Publication number
- CN102470523B CN102470523B CN201080030704.3A CN201080030704A CN102470523B CN 102470523 B CN102470523 B CN 102470523B CN 201080030704 A CN201080030704 A CN 201080030704A CN 102470523 B CN102470523 B CN 102470523B
- Authority
- CN
- China
- Prior art keywords
- bearing
- jackshaft
- hammer drill
- turning device
- supporting
- 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
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 26
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
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
-
- 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
- B25D2250/065—Details regarding assembling of the tool
-
- 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
- B25D2250/331—Use of bearings
- B25D2250/335—Supports therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Percussion Or Vibration Massage (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of hammer drill and/or cutter turning device, comprise and be arranged essentially parallel to axially by the beater mechanism (24) that supports and jackshaft (36 respectively; 60; 84; 106) and comprise gear mechanism housing (10) and spacer flanger (20; 80; 102; 116).The present invention advises, hammer drill and/or cutter turning device comprise a bearing cap (38; 58; 82; 104), described bearing cap and described spacer flanger (20; 80; 102; 116) removably connect and be arranged for the described jackshaft (36 of supporting; 60; 84; 106) and at least one parts of described beater mechanism (24).
Description
Technical field
The present invention relates to a kind of according to claim 1 hammer drill as described in the preamble and/or cutter turning device.
Background technology
The bearing cap having proposed to be used in supporting beater mechanism and jackshaft and drilling and/or the gear mechanism housing cutting a hole turning device are removably connected.
Summary of the invention
The present invention relates to a kind of hammer drill and/or cutter turning device, it comprises being arranged essentially parallel to respectively and is axially comprised gear mechanism housing and spacer flanger by the beater mechanism that supports and jackshaft." hammer drill device " should especially be understood within a context a kind of can the rig of manual, the beater mechanism with known type, in this rig, the impact energy of beater mechanism has nothing to do with the thrust applied by the operator of hammer drill device.Beater mechanism at this by the beater mechanism pipe of a driven plunger, ram driven by driven plunger, a supporting driven plunger and/or ram be made up of an impact piston when needed.
" cutter turning device " should especially be understood within a context a kind of can manual, have before chiso-mallet or the hammer drill of the beater mechanism of type are described, the thrust that impact energy and the operator by chiso-mallet or hammer drill of beater mechanism applies in this chiso-mallet or hammer drill has nothing to do." axis " especially should be understood to that is parallel to the direction of heading of ram at the run duration of hammer drill and/or cutter turning device hereinbefore.
Advise, hammer drill and/or cutter turning device comprise bearing cap, this bearing cap and spacer flanger are removably connected and are arranged at least one parts supporting jackshaft He support beater mechanism, can provide thus a kind of simple, save material and joint space-efficient and with low cost for fixing and supporting jackshaft and beater mechanism parts solution thus.Preferably, the beater mechanism parts be bearing in bearing cap are hollow pistons.Advantageously, a beater mechanism pipe be arranged in a known way hollow piston leads is shortened consumingly in this case, can save materials and structures space thus and can provide the solution that abnormal cost is cheap.
Also advise, spacer flanger is rigid bearing lid in the axial direction.Fixing and the supporting simple and with low cost especially to jackshaft and beater mechanism parts can be realized thus.Common methods for rigid bearing lid well known to those skilled in the art and device are also feasible in principle.Advantageously, hammer drill and/or cutter turning device can have at least one and be threaded, and this is threaded to be arranged for and at least one running status, bearing cap is removably connected with spacer flanger.Particularly advantageously, bearing cap has clamping element, and this clamping element is arranged for sets up the clamping of bearing cap between spacer flanger and gear mechanism housing at least one running status.Preferably, bearing cap in the axial direction fixing is realized by the clamping between spacer flanger and gear mechanism housing, and wherein at least one corresponding element of clamping element and gear mechanism housing and/or spacer flanger produces the clamping force of a dauer effect diametrically after application power acted in the axial direction when assembling." radial direction " especially should be understood to such direction within a context, and this direction is from azimuth axis perpendicular to this axis of the azimuth axis of axis.In particular, clamping element can be constructed to inclined-plane.Can realize the clamping of bearing cap in the simple especially and mode of saving member and fix thus thus.
In a kind of favourable design, bearing cap for supporting jackshaft has one with the bearing of Bearing outer element, this Bearing outer element is removably connected with spacer flanger, can realize thus saving material and save space and thus with low cost, for solution that is fixing and supporting jackshaft.Preferably, Bearing outer element removably can be connected by least one screw with spacer flanger.But also can use well known by persons skilled in the art for setting up the device removably connected between Bearing outer element and spacer flanger in principle.
In addition advise, bearing cap for supporting jackshaft has one with the bearing of Bearing inner element, the inner ring of this Bearing inner element and at least one driving bearing is shaping integratedly and have at least one ball-bearing groove ground, and this bearing can simply and be economical space saving designed thus.Advantageously, bearing ball can bear by the ball-bearing groove of grinding the axial force and radial load that occur at run duration.The bearing that " driving bearing " especially should be understood to regularly within a context or be coupled with jackshaft with connecting by the device that arranges for this reason, it is the reciprocating motion of described hammer drill and/or another or other parts cutting a hole turning device by the convert rotational motion of driven jackshaft that this bearing is arranged at least one running gear.
It is a reciprocating motion for generation of axial impact pulse that driving bearing is preferably arranged for the convert rotational motion of an axle, such as jackshaft together with oscillatory gearing mechanism.
In another kind of design, comprise for supporting the bearing cap of jackshaft the bearing that has the distance piece separated with the inner ring of driving bearing, this distance piece has the ball-bearing groove of the inside of bearing and the sliding bearing be equipped with on inner side for supporting jackshaft on outside.Can space be saved thus and arrange bearing inexpensively.Advantage is, bearing ball can bear the power occurred in axis and radial direction at run duration, and the plain bearing surfaces being positioned at inside advantageously can support jackshaft.
When the distance piece foundation separated is connected with the positive of at least one inner ring of driving bearing, a kind of solution simple and compact especially can be provided.
In addition advise, bearing cap for supporting jackshaft comprises bearing, this bearing has one with the Bearing inner element of at least one ball-bearing groove, and this Bearing inner element is formed integratedly with the inner ring of the first driving bearing and is connected by the inner ring of squeeze flow with the second driving bearing.The saving space of jackshaft can be realized thus and fixing and supporting scheme with low cost, wherein, the convertibility easily of inner ring can be realized in addition.
In the design that another kind is favourable, bearing cap for supporting jackshaft has bearing, this bearing comprises a combination be made up of needle bearing and thrust bearing, and in this combination, an element of needle bearing and an element of thrust bearing are configured to one.Fixing and the supporting scheme simple and with low cost of jackshaft can be realized thus.Advantageously, this bearing can bear when avoiding manufacture ball-bearing groove the power being in the axial direction in operation and occurring.
In addition specify, for the bearing cap supporting jackshaft, there is bearing, this bearing observe in the axial direction be arranged on jackshaft two driving bearings between.By by this bearing arrangement of jackshaft between two driving bearings, can realize particularly advantageous power distribute, the supporting structure simple and with low cost especially of jackshaft can be realized thus.
Accompanying drawing explanation
Other advantage is illustrated by following accompanying drawing and provides.Embodiments of the invention shown in the drawings.Accompanying drawing, description and claim contain a large amount of assemblage characteristics.Those skilled in the art also consider separately these features aptly and are combined into other combination significant.
Fig. 1 illustrates the schematic views according to hammer drill of the present invention and cutter turning device,
Fig. 2 illustrates the detailed view according to the hammer drill of Fig. 1 and the gear mechanism housing of cutter turning device,
Fig. 3 illustrates the detail view of the another kind of design of the bearing cap for supporting jackshaft,
Fig. 4 illustrates the detail view of the another kind of design of the bearing cap for supporting jackshaft, and
Fig. 5 illustrates the detail view of the another kind of design of the bearing cap for supporting jackshaft.
Detailed description of the invention
Fig. 1 illustrate have gear mechanism housing 10, motor shell 12, hand 16 and console switch 18 hammer drill and cutter turning device schematic views.Intermediate location between motor shell 12 and gear mechanism housing 10 is provided with a spacer flanger 20, this spacer flanger extend in gear mechanism housing 10.On the end of hammer drill with the boring direction side of cutter turning device, a tool fitting 22 is partially disposed in a beater mechanism pipe 26.The beater mechanism 24 of gear mechanism housing 10 inside also comprises one in a known manner and impacts 28, one, bolt driven plunger that be directed in beater mechanism pipe 26, that be implemented as hollow piston 32 and a ram be directed in hollow piston 32 30 except beater mechanism pipe 26.Hollow piston 32 is hinged on and is constructed on the driving bearing 34 of swash drive, and this driving bearing is driven by the motor 14 that is arranged in motor shell 12 by the jackshaft 36 being configured to toothed shank.Axially by determining at hammer drill and the heading of cutter turning device run duration ram 30 in hollow piston 32.Beater mechanism 24, motor 14 and jackshaft 36 are parallel to this axis respectively and are supported.Radial direction is restricted to perpendicular to this axis and from this axis.
The detailed view of the gear mechanism housing 10 of the hammer drill according to Fig. 1 shown in Figure 2 and cutter turning device.A bearing cap 38 is removably connected with spacer flanger 20, and this bearing cap is arranged for supporting jackshaft 36 and the parts of beater mechanism 24, i.e. hollow piston 32.Bearing cap 38 is fixed by spacer flanger 20 in the axial direction.Bearing cap 38 has the magnitude of interference in the axial direction, makes after installing bearing cap 38, to produce clamping when assembling between spacer flanger 20 and gear mechanism housing 10 by the axial force of permanent action.The clamping element 40 on an inclined-plane be constructed on bearing cap 38 outward flange be arranged at least one running status, to set up the clamping of bearing cap 38 diametrically between spacer flanger 20 and gear mechanism housing 10 and in addition in this wise with the boss 42 in gear mechanism housing 10 and terminal seamed edge 44 mating reaction with spacer flanger 20, what to make when assembling one to act in the axial direction insists on the clamping force producing for a long time in the axial direction and act on diametrically.
Bearing cap 38 is equipped with a sliding bearing 39 to support hollow piston 32.This bearing cap 38 has a bearing 46 with Bearing outer element 48 to support jackshaft 36, and this Bearing outer element is coupled in the dead slot 50 of bearing cap 38.The Bearing inner element 52 of bearing 46 is shaping integratedly and have a ball-bearing groove ground 56 with the inner ring 54 of driving bearing 34.
Other embodiment is described below, wherein changes the supporting structure of jackshaft 60,84,106.The supporting structure of hollow piston 32 with in fig. 2 shown in identical with above-mentioned mode to be implemented and for clearly considering not draw.
Fig. 3 illustrates the another kind of design of the bearing cap 58 for supporting jackshaft 60.Bearing cap 58 comprises to support jackshaft 60 bearing 62 that has the distance piece 72 separated with the inner ring 64 of driving bearing 68.This distance piece 72 has the internal ball raceway 74 of bearing 62 on outside.Distance piece 72 is provided with the sliding bearing 76 for supporting jackshaft 60 on inner side.See in the axial direction, be provided with the inner ring 64,66 of two driving bearings 68,70 in distance piece 72 front and back, distance piece 72 and these inner rings form positive and are connected.Bearing 62 for supporting jackshaft 60 has a Bearing outer element 78, and this Bearing outer element is connected by threaded connection detachable with spacer flanger 80.
The another kind of design of the bearing cap 82 for supporting jackshaft 84 shown in Figure 4.Bearing cap 82 has a bearing 86 to support jackshaft 84, this bearing observe in the axial direction be arranged on jackshaft 84 two driving bearings 88,90 between.Bearing 86 for supporting jackshaft 84 comprises a Bearing inner element 92, and the inner ring 94 of this one of Bearing inner element and two driving bearings 90 is formed integratedly.The inner ring 94 being configured to one with Bearing inner element 92 that Bearing inner element 92 has an one of ball-bearing groove 96, two driving bearings 90 to be connected with another 88 the inner ring 93 in two bearings by squeeze flow and to comprise another ball-bearing groove 98 of driving bearing 90.Bearing 86 for supporting jackshaft 84 has a Bearing outer element 100, and this Bearing outer element is connected by threaded connection detachable with spacer flanger 102.
Fig. 5 illustrates the another kind of design of the bearing cap 104 for supporting jackshaft 106.Bearing cap 104 has a bearing 108 to support jackshaft 106, this bearing comprises a combination be made up of needle bearing 110 and thrust bearing 112, and in this combination, the bearing element 114 of needle bearing 110 is configured to one with the bearing element 114 of thrust bearing 112.Bearing cap 104 is connected by threaded connection detachable with spacer flanger 116.
Claims (9)
1. hammer drill and/or cutter turning device, comprises and is arranged essentially parallel to axially by the beater mechanism (24) that supports and jackshaft (36 respectively; 60; 84; 106) and comprise gear mechanism housing (10) and spacer flanger (20; 80; 102; 116), it is characterized in that,
Be provided with a bearing cap (38; 58; 82; 104), described bearing cap and described spacer flanger (20; 80; 102; 116) removably connect and be arranged for the described jackshaft (36 of supporting; 60; 84; 106) at least one parts and for supporting described beater mechanism (24),
Described beater mechanism (24) be bearing in described bearing cap (38; 58; 82; 104) parts in are hollow piston (32).
2. hammer drill according to claim 1 and/or cutter turning device, is characterized in that, described spacer flanger (20; 80; 102; 116) described bearing cap (38 is fixed in the axial direction; 58; 82; 104).
3. hammer drill according to claim 1 and 2 and/or cutter turning device, is characterized in that, for supporting described jackshaft (60; 84) described bearing cap (58; 82) one is had with Bearing outer element (78; 100) bearing (62; 86), described Bearing outer element and described spacer flanger (80; 102) removably connect.
4., according to the hammer drill in claim described in 1 or 2 and/or cutter turning device, it is characterized in that, for supporting described jackshaft (36; 84) described bearing cap (38; 82) one is had with Bearing inner element (52; 92) bearing (46; 86), described Bearing inner element and at least one driving bearing (34; 88,90) inner ring (54; 94) shaping integratedly and have at least one grinding ball-bearing groove (56; 96,98).
5. according to the hammer drill in claim described in 1 or 2 and/or cutter turning device, it is characterized in that, described bearing cap (58) for supporting described jackshaft (60) comprises one to be had and driving bearing (68,70) inner ring (64,66) bearing (62) of the distance piece (72) separated, described distance piece (72) has the ball-bearing groove (74) of the inside of described bearing (62) and the sliding bearing (76) be equipped with on inner side for supporting described jackshaft (60) on outside.
6. hammer drill according to claim 5 and/or cutter turning device, is characterized in that, the described distance piece (72) separated is set up positive with at least one inner ring (64,66) of driving bearing (68,70) and connected.
7. hammer drill according to claim 1 and 2 and/or cutter turning device, it is characterized in that, described bearing cap (82) for supporting described jackshaft (84) has bearing (86), described bearing has one with at least one ball-bearing groove (96,98) Bearing inner element (92), described Bearing inner element and the first driving bearing (88,90) inner ring (94) is formed integratedly and is connected by the inner ring (93) of squeeze flow and the second driving bearing (88,90).
8. hammer drill according to claim 1 and 2 and/or cutter turning device, it is characterized in that, described bearing cap (104) for supporting described jackshaft (106) has bearing (108), described bearing comprises the combination be made up of needle bearing (110) and thrust bearing (112), and described in described combination, a bearing element (114) of needle bearing (110) and a bearing element (114) of described thrust bearing (112) are formed integratedly.
9. hammer drill according to claim 1 and 2 and/or cutter turning device, is characterized in that, for supporting described jackshaft (60; 84) described bearing cap (58; 82) there is bearing (62; 86), described bearing is observed in the axial direction and is arranged on described jackshaft (60; 84) two driving bearings (68,70; 88,90) between.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009027560.6 | 2009-07-09 | ||
| DE200910027560 DE102009027560A1 (en) | 2009-07-09 | 2009-07-09 | Hammer drill and / or chisel device |
| PCT/EP2010/056320 WO2011003646A1 (en) | 2009-07-09 | 2010-05-10 | Hammer-drilling and/or cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102470523A CN102470523A (en) | 2012-05-23 |
| CN102470523B true CN102470523B (en) | 2015-09-09 |
Family
ID=42586095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080030704.3A Active CN102470523B (en) | 2009-07-09 | 2010-05-10 | Hammer drill and/or cutter turning device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2451615B1 (en) |
| CN (1) | CN102470523B (en) |
| DE (1) | DE102009027560A1 (en) |
| RU (1) | RU2538466C2 (en) |
| WO (1) | WO2011003646A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008041889A1 (en) * | 2008-09-09 | 2010-03-11 | Robert Bosch Gmbh | Machine tool and manufacturing method for a machine tool |
| DE102014101827A1 (en) | 2014-02-13 | 2015-08-13 | C. & E. Fein Gmbh | Drilling machine and drilling tool for this |
| CN113021272A (en) * | 2019-12-09 | 2021-06-25 | 苏州宝时得电动工具有限公司 | Electric hammer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3731244A1 (en) * | 1987-09-17 | 1989-03-30 | Bosch Gmbh Robert | Hand-held power tool |
| CN1075411C (en) * | 1995-10-30 | 2001-11-28 | 希尔蒂股份公司 | Drilling and quarrying machine |
| CN1532015A (en) * | 2003-03-25 | 2004-09-29 | 罗伯特・博施有限公司 | Electric tool |
| CN1899772A (en) * | 2006-07-25 | 2007-01-24 | 常州赛迪电气制造有限公司 | Multifunctional electric hammer |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1066884B (en) * | 1976-08-09 | 1985-03-12 | Star Utensili Elett | DRILL OF THE PERCUSSION TYPE |
| DE3931329C1 (en) * | 1989-05-31 | 1990-06-28 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
| RU2064403C1 (en) * | 1993-04-15 | 1996-07-27 | Юрий Никитович Колган | Rotary - shock machine |
| RU2117572C1 (en) * | 1996-07-25 | 1998-08-20 | Товарищество с ограниченной ответственностью "Внедренческое предприятие "Электрическая импульсная техника и технология" | Rotary-percussion action electric machine |
| GB0125749D0 (en) * | 2001-10-26 | 2001-12-19 | Black & Decker Inc | Power tool |
| DE10312981A1 (en) * | 2003-03-24 | 2004-10-07 | Robert Bosch Gmbh | Electric hand tool |
| JP2005040880A (en) * | 2003-07-25 | 2005-02-17 | Hitachi Koki Co Ltd | Hammering tool and idling prevention mechanism for the tool |
| DE102005047353A1 (en) * | 2005-10-04 | 2007-04-05 | Robert Bosch Gmbh | Electric-powered machine tool e.g. hand-operated power drill, for use in pistol construction, has flange to drive train and divided into drive end and gear end bearing bracket units connected with each other by vibration damping unit |
| JP4756474B2 (en) * | 2006-07-20 | 2011-08-24 | 日立工機株式会社 | Electric tool |
| DE102007010177A1 (en) * | 2007-03-02 | 2008-09-04 | Robert Bosch Gmbh | Hand-held electric drill or hammer drill has an intermediate drive shaft radially supported by functional unit |
| DE102008000677A1 (en) * | 2008-03-14 | 2009-09-17 | Robert Bosch Gmbh | Hand tool for impact driven tools |
-
2009
- 2009-07-09 DE DE200910027560 patent/DE102009027560A1/en not_active Withdrawn
-
2010
- 2010-05-10 RU RU2012103933/02A patent/RU2538466C2/en active
- 2010-05-10 WO PCT/EP2010/056320 patent/WO2011003646A1/en active Application Filing
- 2010-05-10 CN CN201080030704.3A patent/CN102470523B/en active Active
- 2010-05-10 EP EP10724336.2A patent/EP2451615B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3731244A1 (en) * | 1987-09-17 | 1989-03-30 | Bosch Gmbh Robert | Hand-held power tool |
| CN1075411C (en) * | 1995-10-30 | 2001-11-28 | 希尔蒂股份公司 | Drilling and quarrying machine |
| CN1532015A (en) * | 2003-03-25 | 2004-09-29 | 罗伯特・博施有限公司 | Electric tool |
| CN1899772A (en) * | 2006-07-25 | 2007-01-24 | 常州赛迪电气制造有限公司 | Multifunctional electric hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2451615A1 (en) | 2012-05-16 |
| WO2011003646A1 (en) | 2011-01-13 |
| RU2538466C2 (en) | 2015-01-10 |
| EP2451615B1 (en) | 2015-09-16 |
| RU2012103933A (en) | 2013-08-20 |
| DE102009027560A1 (en) | 2011-01-13 |
| CN102470523A (en) | 2012-05-23 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |