EP2048323A1 - Dispositif de manipulation d'outil - Google Patents

Dispositif de manipulation d'outil Download PDF

Info

Publication number
EP2048323A1
EP2048323A1 EP07019962A EP07019962A EP2048323A1 EP 2048323 A1 EP2048323 A1 EP 2048323A1 EP 07019962 A EP07019962 A EP 07019962A EP 07019962 A EP07019962 A EP 07019962A EP 2048323 A1 EP2048323 A1 EP 2048323A1
Authority
EP
European Patent Office
Prior art keywords
base
wall
block
hole
holding device
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
EP07019962A
Other languages
German (de)
English (en)
Other versions
EP2048323B1 (fr
Inventor
Chun-Li Chiang
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.)
Everpads Co Ltd
Original Assignee
Everpads Co Ltd
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 Everpads Co Ltd filed Critical Everpads Co Ltd
Priority to EP07019962A priority Critical patent/EP2048323B1/fr
Priority to DE602007008103T priority patent/DE602007008103D1/de
Priority to AT07019962T priority patent/ATE475778T1/de
Publication of EP2048323A1 publication Critical patent/EP2048323A1/fr
Application granted granted Critical
Publication of EP2048323B1 publication Critical patent/EP2048323B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/191—Means for fixing picks or holders for fixing holders

Definitions

  • the present invention relates to a holding device, and more particularly a tool holding device for a road planer.
  • a cutter holder and a tool holding device for the road planer are shown in EP 1761682 and US 2006/0119165 .
  • the cutter holder and the tool holding device respectively include a base and a block wherein the base is welded on the peripheral surface of the working member (ex.roller) and the block is secured on the base through a fastening member to receive a tool (such as a chisel).
  • the tool received in the block is located along a tangent of the roller to dig into the earth for planning, excavating or milling operation.
  • the tool bit When the road planer works, the tool bit is forced to drill and excavate as the roller rotates such that the processed material (such as concrete and asphalt) coated on the road surface can be removed.
  • the tough processed material shortens the lifetime of the tool and results in frequent replacements of the tool.
  • the counterforce resulting from the operation is stressed on both the base and the block such that extensive replacement and large costs arise because of the inferior tightness between the base and the block.
  • connection strength of the tool holding device is important. Because the counterforce resulting from the operation of the road planer is stressed on both the base and the block, the block may wear out or even break after a long operation period. As a result, reinforcing the connection strength between the base and the block of the tool holding device, extending the use period, and reducing cost is the aim of the present invention.
  • the tool holding device includes a base, a block and a fastening member wherein the bottom of the base is welded on a peripheral surface of the roller.
  • the base includes a receiving portion defined between a shoulder wall and a countering wall, a surface defined adjacent to the shoulder wall perpendicularly and away from the countering wall, a penetrated hole defined on the countering wall along an axis, and a positioning hole communicating with the penetrated hole.
  • the shoulder wall and the countering wall define an angle less than or equal to 90 degrees.
  • the block is detachably set on the base, and includes a holding portion held in the receiving portion, a handle extended outward from the holding portion and received in the penetrated hole, and a holding hole defined through the holding portion and the handle along the axis for holding the chisel.
  • the handle is perpendicular to the countering wall of the base, and the angle between the shoulder wall and the countering wall is non-obtuse such that the counterforce bearing for the base and block are both enhanced.
  • the fastening member is fixed in the positioning hole and against the handle to secure the block.
  • the block further includes a retaining portion protruding from the holding portion outward along a radial direction of the holding hole and against the surface of the base.
  • the base includes a track formed on the shoulder wall, and the block includes a corresponding protrusion movably received in the track.
  • the base includes a groove formed on a junction between the countering wall and the shoulder wall and communicating with the opposite flanks of the base to provide the fragments conduction.
  • the tool holding device of the present invention has greater mechanical strength wherein the connection strength between the base and the block is also enhanced. Accordingly, the replacement times are decreased and the material cost is also reduced.
  • Figure 1 illustrates an exploded view of a first embodiment of the tool holding device in accordance with the present invention
  • Figure 2 illustrates a perspective view of the tool holding device in accordance with Figure 1 .
  • the tool holding device includes a base 100, a block 200 and a fastening member 300.
  • the tool holding device is fixed on a roller 510 of a road planer 500 to receive a chisel 400 to dig and mill the road surface (shown in Figure 5 ).
  • Figure 3 illustrates a sectional view of the tool holding device in accordance with Figure 2 ;
  • Figure 5 illustrates an operating schematic view of the tool holding device of the first embodiment.
  • the bottom of the base 100 is welded on a peripheral surface 511 of the roller 510 in accordance with the curve of the roller 510.
  • the base 100 includes a receiving portion 130, a groove 140, a surface 150, a track 160, a penetrated hole 170 and a positioning hole 180.
  • the receiving portion 130 is defined between a shoulder wall 110 and a countering wall 120.
  • the groove 140 is formed on a junction between the shoulder wall 110 and the countering wall 120, and communicating with the opposite flanks 101 of the base 100.
  • the surface 150 is defined adjacent to the shoulder wall 110 perpendicularly and away from the countering wall 120.
  • the track 160 is formed on the shoulder wall 110 in a dovetail formation.
  • the penetrated hole 170 is defined on the countering wall 120 along an axis X, and the positioning hole 180 communicates with the penetrated hole 170.
  • the shoulder wall 110 and the countering wall 120 define an angle ⁇ less than or equal to 90 degrees. In this embodiment, the angle ⁇ is designed in 90 degrees for illustration only.
  • the block 200 is detachably set on the base 100, and includes a holding portion 210, a handle 220, a retaining portion 230, a protrusion 240 and a holding hole 250.
  • the holding portion 210 is held in the receiving portion 130.
  • the handle 220 is extended outward from the holding portion 210 and received in the penetrated hole 170.
  • the retaining portion 230 is protruded from the holding portion 210 outward along a radial direction of the holding hole 250 and against the surface 150 of the base 100.
  • the protrusion 240 is formed on the holding portion 210 and adjacent to the retaining portion 230 laterally.
  • the holding hole 250 is defined through the holding portion 210 and the handle 220 along the axis X for holding the chisel 400.
  • Figure 4 illustrates a partial sectional view to show the connection between the protrusion 240 of the block 200 and the track 160 of the base 100.
  • the protrusion 240 of the block 200 is movably received in the track 160 of the base 100 in the form of dovetail. Therefore, the block 200 is firmly secured on the base 100 along the axis X because of the connection between the protrusion 240 and the track 160 and the obstruction effect provided by the retaining portion 230.
  • the processed material (such as concrete and asphalt) can be prevented from entering the space between the base 100 and the block 200 during the operation.
  • the handle 220 of the block 200 further includes an indentation 221 communicating with the positioning hole 180 and holding part of the fastening member 300.
  • the positioning hole 180 is a threaded hole
  • the fastening member 300 is a screw, such as a hex socket cap screw.
  • the receiving portion 130 has a non-obtuse angle (less than or equal to 90 degrees) defined by the shoulder wall 110 and the countering wall 120 whereby the counterforce resulting from the operation (refer to Figure 5 ) is stressed on the countering wall 120 directly and also on the shoulder wall 110 because of the oblique between the chisel 400 and the base 100.
  • the non-obtuse angle provides a clamp connection between the base 100 and the block 200, and the holding portion 210 is firmly held in the receiving portion 130 to enhance the mechanical strength of the tool holding device.
  • the retaining portion 230 with a fan-shaped formation of the block 200 is obstructed against the surface 150 of the base 100 to provide the block 200 a greater stability.
  • the dovetailed protrusion 240 is embedded within the track 160 of the base 100 such that the block 200 is firmly connected with the base 100. Therefore, the bearing of the block 200 is raised to prevent breaking or cracking, and the use period is extended and the cost is accordingly reduced.
  • the groove 140 is formed on the junction between the shoulder wall 110 and the countering wall 120 to conduct and prevent fragmented processed material from getting stuck and deteriorating the performance of the chisel 400.
  • the oblique surface 150 is used to prevent the ejected processed material from entering the track 160 and scraping the base 100.
  • Figure 6 illustrates an exploded view of a second embodiment of the tool holding device in accordance with the present invention
  • Figure 7 illustrates a sectional view of the tool holding device of the second embodiment welded on the roller.
  • the tool holding device of the second embodiment includes a base 600, a block 700, a sleeve 800, and a fastening member 900.
  • the tool holding device is fixed on a roller 510 of a road planer 500 to receive a chisel 400 to dig and mill the road surface.
  • the bottom of the base 600 is welded on a peripheral surface 511 of the roller 510 in accordance with the curve of the roller 510.
  • the base 600 includes a receiving portion 630, a groove 640, a surface 650, a track 660, a penetrated hole 670 and a positioning hole 680.
  • the receiving portion 630 is defined between a shoulder wall 610 and a countering wall 620.
  • the groove 640 is formed on a junction between the shoulder wall 610 and the countering wall 620, and communicating with the opposite flanks 601 of the base 600.
  • the surface 650 is defined adjacent to the shoulder wall 610 perpendicularly and away from the countering wall 620.
  • the track 660 is formed on the shoulder wall 610 in a dovetail formation.
  • the penetrated hole 670 is defined on the countering wall 620 along an axis X, and the positioning hole 680 communicates with the penetrated hole 670.
  • the shoulder wall 610 and the countering wall 620 define an angle ⁇ less than or equal to 90 degrees. In this embodiment, the angle ⁇ is designed in 90 degrees for illustration only.
  • the block 700 is detachably set on the base 600, and includes a holding portion 710, a retaining portion 720, a protrusion 730 and a holding hole 740.
  • the holding portion 710 is held in the receiving portion 630.
  • the retaining portion 720 is protruded from the holding portion 710 outward along a radial direction of the holding hole 740 and against the surface 650 of the base 600.
  • the protrusion 730 is formed on the holding portion 710 and adjacent to the retaining portion 720 laterally.
  • the holding hole 740 is defined through the holding portion 710 along the axis X.
  • the protrusion 730 of the block 700 is movably received in the track 660 of the base 600 in the form of dovetail. Therefore, the block 700 is firmly secured on the base 600 along the axis X because of the connection between the protrusion 730 and the track 660 and the obstruction provided by the retaining portion 720.
  • the sleeve 800 is used to hold the chisel 400 and includes a tube 810, a restraining portion 820, and an axial hole 830.
  • the tube 810 is received in the holding hole 740 of the block 700 and the penetrated hole 670 of the base 600.
  • the restraining portion 820 is formed on a front end of the tube 810.
  • the axial hole 830 is defined through the tube 810 and the restraining portion 820 along the axis X.
  • the restraining portion 820 is restrained against an outer surface 701 of the block 700.
  • the tube 810 of the sleeve 800 includes an indentation 811 communicating with the positioning hole 680 of the base 600.
  • the fastening member 900 is fixed in the positioning hole 680 and against the tube 810 of the sleeve 800 to secure the sleeve 800 wherein part of the fastening member 900 is held in the indentation 811.
  • the positioning hole 680 is a threaded hole
  • the fastening member 900 is a screw.
  • the tool holding device of the second embodiment has greater connection and mechanical strength, and the same fragment conduction and hard-wearing effect as the first embodiment.
  • the difference between the first embodiment and the second embodiment is that the sleeve 800 received in the holding hole 740 of the block 700 is replaceable, and the restraining portion 820 of the sleeve 800 can prevent the processed material from scraping the block 700 during operation to extend the lifetime of the block 700. Consequently, the abrasion area is mostly generated on the sleeve 800 after a long operation period, and only the sleeve 800 is needed to be replaced for reusing the tool holding device. As a result, the material cost resulting from the replacement in the second embodiment is less than the material cost resulting from the replacement in the first embodiment because the replaceable sleeve 800 has a lower cost than the block 200.
  • the tool holding device of these embodiments in accordance with the present invention have greater mechanical strength wherein the connection strength between the base and the block is also enhanced.
  • the retaining portion of the block and the restraining portion of the sleeve can prevent the block from being rubbed by the processed material during the operation.
  • the groove of the base provides a fragment conduction effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Road Repair (AREA)
  • Gripping On Spindles (AREA)
  • Clamps And Clips (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
EP07019962A 2007-10-11 2007-10-11 Dispositif de manipulation d'outil Active EP2048323B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07019962A EP2048323B1 (fr) 2007-10-11 2007-10-11 Dispositif de manipulation d'outil
DE602007008103T DE602007008103D1 (de) 2007-10-11 2007-10-11 Werkzeughaltevorrichtung
AT07019962T ATE475778T1 (de) 2007-10-11 2007-10-11 Werkzeughaltevorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07019962A EP2048323B1 (fr) 2007-10-11 2007-10-11 Dispositif de manipulation d'outil

Publications (2)

Publication Number Publication Date
EP2048323A1 true EP2048323A1 (fr) 2009-04-15
EP2048323B1 EP2048323B1 (fr) 2010-07-28

Family

ID=38754664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07019962A Active EP2048323B1 (fr) 2007-10-11 2007-10-11 Dispositif de manipulation d'outil

Country Status (3)

Country Link
EP (1) EP2048323B1 (fr)
AT (1) ATE475778T1 (fr)
DE (1) DE602007008103D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477195A (en) * 2010-01-22 2011-07-27 Joy Mm Delaware Inc Cutter bit holding apparatus
WO2012062455A1 (fr) * 2010-11-11 2012-05-18 Bomag Gmbh Système de porte-outil à changement rapide conçu pour un outil tranchant
KR101288026B1 (ko) * 2009-12-17 2013-07-18 비르트겐 게엠베하 비트 홀더, 비트 홀더를 수용하는 기부 및 공구 장치
US9068302B2 (en) 2010-10-06 2015-06-30 Wirtgen Gmbh Mixer bar for a stabilizer/recycler
EP2612984A3 (fr) * 2012-01-06 2015-11-11 Everpads Co., Ltd. Dispositif de maintien d'outil de coupe
EP3012372A4 (fr) * 2013-06-21 2017-09-13 Everpads Co., Ltd. Support de dent de dispositif de coupe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188361A (en) * 1966-03-24 1970-04-15 Cincinnati Mine Machinery Co Mounting Means for a Cutting Tool of a Mining Machine or the like and an Assembly of said means and said tool
US3544166A (en) * 1965-02-17 1970-12-01 Austin Hoy & Co Ltd Cutter tools and mountings therefor
US20060119165A1 (en) 2004-11-26 2006-06-08 Bernd Holl Chisel holder
EP1761682A1 (fr) 2004-06-24 2007-03-14 WIRTGEN GmbH Dispositif porte-outil
DE202007000372U1 (de) 2007-01-10 2007-05-24 Wagener, Christian Vorrichtung zur Halterung eines Fräßmeißels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544166A (en) * 1965-02-17 1970-12-01 Austin Hoy & Co Ltd Cutter tools and mountings therefor
GB1188361A (en) * 1966-03-24 1970-04-15 Cincinnati Mine Machinery Co Mounting Means for a Cutting Tool of a Mining Machine or the like and an Assembly of said means and said tool
EP1761682A1 (fr) 2004-06-24 2007-03-14 WIRTGEN GmbH Dispositif porte-outil
US20060119165A1 (en) 2004-11-26 2006-06-08 Bernd Holl Chisel holder
DE202007000372U1 (de) 2007-01-10 2007-05-24 Wagener, Christian Vorrichtung zur Halterung eines Fräßmeißels

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101288026B1 (ko) * 2009-12-17 2013-07-18 비르트겐 게엠베하 비트 홀더, 비트 홀더를 수용하는 기부 및 공구 장치
GB2477195A (en) * 2010-01-22 2011-07-27 Joy Mm Delaware Inc Cutter bit holding apparatus
US8322795B2 (en) 2010-01-22 2012-12-04 Joy Mm Delaware, Inc. Miner cutting bit holding apparatus
US9068302B2 (en) 2010-10-06 2015-06-30 Wirtgen Gmbh Mixer bar for a stabilizer/recycler
DE102010038016C5 (de) * 2010-10-06 2020-07-23 Wirtgen Gmbh Mischersteg für einen Stabilisierer/Recycler
WO2012062455A1 (fr) * 2010-11-11 2012-05-18 Bomag Gmbh Système de porte-outil à changement rapide conçu pour un outil tranchant
CN103282172A (zh) * 2010-11-11 2013-09-04 德国宝马格公司 用于凿刀的可更换支座系统
US9212554B2 (en) 2010-11-11 2015-12-15 Bomag Gmbh Interchangeable holder system for a chisel
CN103282172B (zh) * 2010-11-11 2016-03-02 德国宝马格公司 用于凿刀的可更换支座系统和用于加工地面的建筑机械
EP2612984A3 (fr) * 2012-01-06 2015-11-11 Everpads Co., Ltd. Dispositif de maintien d'outil de coupe
EP3012372A4 (fr) * 2013-06-21 2017-09-13 Everpads Co., Ltd. Support de dent de dispositif de coupe
US9896932B2 (en) 2013-06-21 2018-02-20 Everpads Co., Ltd. Cutting tool holding device

Also Published As

Publication number Publication date
ATE475778T1 (de) 2010-08-15
DE602007008103D1 (de) 2010-09-09
EP2048323B1 (fr) 2010-07-28

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