EP2336489B1 - Porte-pic et élément de base pour la réception d'un porte-pic - Google Patents

Porte-pic et élément de base pour la réception d'un porte-pic Download PDF

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Publication number
EP2336489B1
EP2336489B1 EP10188979.8A EP10188979A EP2336489B1 EP 2336489 B1 EP2336489 B1 EP 2336489B1 EP 10188979 A EP10188979 A EP 10188979A EP 2336489 B1 EP2336489 B1 EP 2336489B1
Authority
EP
European Patent Office
Prior art keywords
support
attachment
plug
bearing
support surfaces
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
Application number
EP10188979.8A
Other languages
German (de)
English (en)
Other versions
EP2336489A2 (fr
EP2336489A3 (fr
Inventor
Thomas Lehnert
Karsten Buhr
Cyrus Barimani
Guenter Haehn
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.)
Wirtgen GmbH
Original Assignee
Wirtgen GmbH
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 Wirtgen GmbH filed Critical Wirtgen GmbH
Publication of EP2336489A2 publication Critical patent/EP2336489A2/fr
Publication of EP2336489A3 publication Critical patent/EP2336489A3/fr
Application granted granted Critical
Publication of EP2336489B1 publication Critical patent/EP2336489B1/fr
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
    • B28D1/188—Tools therefor, e.g. having exchangeable cutter bits with exchangeable cutter bits or cutter segments
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088—Rotary tools, e.g. milling drums
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements

Definitions

  • the invention relates to a bit holder with a plug projection and a holding approach with a chisel holder, wherein the plug approach has a bearing portion and the retaining lug has a support portion.
  • the invention further relates to a base part for receiving a chisel holder with a plug-in receptacle, a projection and a support lug, wherein the support lug forms a support with at least one support surface and the approach an abutment with at least one support surface.
  • a chisel holder exchange system with a base part and a chisel holder is known.
  • the base part has a support foot, with which it can be welded on the outer circumference of a milling drum.
  • a plug-in receptacle is introduced in the base part.
  • the plug-in receptacle opens in a paragraph. At the paragraph closes at an angle and opposite to the tool feed direction a support surface.
  • a bit holder can be mounted.
  • the bit holder has a plug-in approach that can be inserted into the socket of the base part. In the mounted state, the bit holder is supported by a counter surface on the support surface of the base part.
  • a pressure screw is used for fixing the chisel holder in the base part. This acts on the plug-in approach of the chisel holder and pulls it into the socket. At the same time the direction of action of the insertion force is designed so that the plug-in approach is pressed with a prism-shaped front surface in a prismatic guide of the base part. In this way, a centered alignment of the chisel holder relative to the base part is created.
  • a round shank chisel can be mounted in the chisel holder. This absorbs the forces during operation and passes them into the bit holder. From the bit holder, the forces are then transferred to the base part, wherein the majority of the forces on the formed between the mating surface and the support surface Stop connection is passed. A certain proportion of force is also derived in the contact surfaces created by the prism surfaces.
  • Such chisel holder change systems are used for the removal of road surfaces. Increasingly, chisel holder changing systems are also required for surface mining. There, a high tool rigidity and tool strength is required with high machine performance and high feed rates.
  • EP 1 761 682 B1 discloses a tool combination consisting of a base part and a bit holder.
  • the base part has a plug-in receptacle.
  • the bit holder can be accommodated with a mounting lug.
  • the attachment lug is integrally formed on a base part of the chisel holder.
  • the bit holder has a support surface.
  • the insertion movement of the attachment lug in the plug-in receptacle is limited to the support surface. This strikes on a counter surface of the base part.
  • a pressure screw is used. This is screwed into a threaded receptacle of the base part and acts on the mounting lug.
  • the task relating to the bit holder is achieved in that the supporting portion of the retaining projection has two support surfaces arranged at an angle to one another, the central longitudinal axis of the bit holder and the longitudinal axis of the plug attachment enclosing an obtuse angle.
  • a support region is formed with the support section, via which the transverse loads occurring during the use of the tool can be optimally discharged.
  • the support surface defined and unique statically certain support zones created that allow a reproducible backlash-free mounting of the bit holder. The fact that the bit holder and the plug approach to each other are at an obtuse angle, an improved power dissipation and a stiffer design are possible.
  • the bearing section has two bearing surfaces arranged at an angle to one another, and wherein preferably the bearing surfaces are arranged on both sides of the central transverse plane of the bit holder extending in the tool feed direction.
  • the support section or the support surfaces in the tool advance direction at least partially holds in front of the insertion lug and / or the bearing surface or the bearing surfaces are oriented substantially against the tool feed direction.
  • the force direction varying in the use of tools is taken into account. While at the beginning of the tool engagement in the material to be removed, the forces are more likely to be absorbed by the front support surface or support surfaces, a force load on the bearing surface or the bearing surfaces, which are oriented counter to the tool feed direction, arises progressively as the tool engages. This orientation of the support and bearing surfaces thus enable a load-optimized design of the bit holder.
  • the bearing surface or the bearing surfaces has or have areas which are offset in the direction of the longitudinal axis of the plug-in approach to the support surface or the support surfaces, then a lever is provided on the spacing over the safe moments can be removed.
  • the plug-in projection has at least one pressure surface for acting on it with a screw on its plug attachment front side facing in the tool advance direction, wherein the pressure surface is at an angle to the longitudinal axis of the plug-in projection.
  • a pull-in force can be introduced into the plug-in approach. Due to the fact that the screw acts on the plug-in projection on the front, the bit holder can be guided counter to the tool feed direction into its mounting position and held there, whereby it is optimally supported on the back.
  • a preferred embodiment of the invention is such that the support surface or surfaces facing towards the free end of the plug-in approach.
  • the support surface or the support surfaces extend substantially parallel to the central longitudinal axis of the bit holder.
  • a chisel holder is designed such that the holding lug has a region which projects beyond the insertion lug and that the support surface or the support surfaces is / are arranged on the projecting region, then a load-optimized design of the chisel holder becomes possible. Characterized in that the support surface or the support surfaces are arranged on the projecting portion of the retaining lug, they can support this reliable and they are also arranged close to the caused by the inserted pick shank force application point. This makes it possible to reduce the load moments.
  • the bearing surface / bearing surfaces partially project beyond the support surface or support surfaces in the direction of the longitudinal axis of the insertion projection and / or that the bearing surface / bearing surfaces extend in the direction of the longitudinal axis is in the range of the holding approach is / are.
  • a simple constructive design results in particular in that the bearing surface / the bearing surfaces runs parallel to the longitudinal axis of the plug-in projection / extend or extends / extend substantially in the direction of this longitudinal axis.
  • a preferred embodiment of the invention is such that the support surface or the support surfaces and the bearing surface or the bearing surfaces each form sliding guides.
  • this can be placed with its support surfaces on mating surfaces of a base part. Subsequently, the bit holder is clamped to a base part, wherein it can be displaced continuously in its sliding guide in the determination position. This ensures a clear and reliable installation.
  • the sliding guide thus serves to guide the bit holder in its intended mounting position. In the mounting position of the bit holder is firmly connected to the base part, so that between these components no relative movement is possible.
  • the chisel holders are removable parts, which can preferably be mounted at different positions of a milling drum on the corresponding base parts.
  • the support surfaces are arranged on both sides extending in the tool feed direction median transverse plane of the bit holder preferably they can also be arranged symmetrically to this median transverse plane.
  • the bearing surfaces may also preferably be arranged on both sides of the central transverse plane of the bit holder extending in the tool advance direction, preferably arranged symmetrically with respect to this central transverse plane.
  • a preferred embodiment of the invention is such that the support surface or the support surfaces are substantially parallel to the central longitudinal axis of the bit holder, or that between the central longitudinal axis of the bit holder and the support surface or the support surfaces an obtuse angle in the range between ⁇ 0 ° and 20 ° is included.
  • the support surface or the support surfaces can up be guided close to the bit holder, resulting in a compact design.
  • the support surface or the support surfaces and the bearing surface or the bearing surfaces are oriented pointing in opposite directions, in particular diametrically opposed to each other.
  • the object of the invention is also achieved with a base part for receiving a chisel holder, which has a plug-in receptacle, a projection and a support lug.
  • the support lug forms a support with two support surface or more support surfaces.
  • the approach creates an abutment which has at least one additional support surface.
  • the support surfaces and preferably also the other support surfaces are employed in prismatic form at an angle and that the support surfaces form an obtuse angle with the central longitudinal axis of the plug receptacle.
  • the upcoming transverse forces can be optimally derived via the prism-shaped support surfaces or prism-shaped further support surfaces.
  • the arrangement of the support surfaces at an obtuse angle to the central longitudinal axis of the plug-in receptacle allows optimal power dissipation and compact design.
  • the support lug in the tool feed direction and the approach in the tool feed direction is oriented behind the longitudinal axis of the plug receptacle.
  • the support surface (-n) and the other / n support surface (-n) are held in front of or behind this longitudinal axis.
  • the further support surface (s) of the attachment have surface regions which are offset at least in regions transversely to the tool feed direction relative to the support surface (s) of the support extension.
  • the support surfaces of the support lug are at an obtuse angle to the longitudinal axis of the plug-in receptacle. They may also point in the opposite direction to the tool feed direction. This orientation of the support surfaces allows the beginning of the tool engagement in the material to be removed optimal flow of power.
  • the support lug has at least one screw receptacle which opens into the plug receptacle.
  • screw elements can be screwed, which act on the bit holder.
  • FIG. 1 shows a base member 10 having a bottom 11 with concave top surfaces. By means of this attachment surfaces, the base part can be placed on the cylindrical outer shell of a milling drum and welded firmly. A bit holder 20 is connected to the base part 10.
  • FIG. 3 shows, the base part 10 on a plug-in receptacle 15 which receives a plug 21 of the chisel holder 20.
  • the following is with reference to the FIGS. 4 to 6 the design of the bit holder 20 explained in more detail.
  • the bit holder 20, the plug approach 21, at the angle of a holding lug 25 is connected.
  • an obtuse angle is included between the plug 21 and the retaining lug 25.
  • the plug-in projection 21 forms in the region of its, in the tool feed direction (v) facing plug approach front 22 a front surface 21.1.
  • two recesses are recessed so that they form pressure surfaces 21.2.
  • the pressure surfaces 21.2 are arranged at an angle to the longitudinal axis of the plug-in projection 21.
  • the pressure surface 21.2 bearing projection of the plug 21 passes through lateral transition sections 21.3 in side surfaces 21.4 over. In this case, the side surfaces 21.4 are aligned in the direction of the tool feed direction (v) and point to the tool sides.
  • FIG. 5 can recognize the side surfaces go 21.4 in the area of the plug projection rear side 23 in bearing surfaces 21.5 over.
  • the storage areas 21.5 are at an angle to each other.
  • the bearing surfaces 21.5 in turn are connected by means of a transition surface 21.6 and have opposite to the feed direction v.
  • the retaining lug 25 is provided with a bit holder 26 in the form of a cylindrical bore.
  • the central longitudinal axis M of the bit receptacle 26 and the longitudinal axis L of the plug-in projection 21 ideally include an angle in the range between 100 ° and 160 °, preferably 130 °.
  • the bit receptacle 26 merges via an introducer extension 27 into a bearing surface 25.3.
  • the support surface 25.3 extends radially to the chisel receiver 26.
  • the chisel holder 26 faces away from the support surface 25.3 in a cross-sectional taper 25.1.
  • the cross-sectional taper 25.1 is designed in the form of a truncated cone and transmits the lateral surface 25.2 of the bit holder 20 into the bearing surface 25.3.
  • the retaining lug 25 has in the region below the bit holder 26 two support surfaces 29, which are employed in an angle to each other in a V-shape. Show how the FIG. 6 can recognize the support surfaces 29 due to their oblique position in the direction of the free end of the plug-in approach and at the same time in the feed direction (v) and run, as in FIG. 3 represented, parallel or substantially parallel to the central longitudinal axis M of the bit holder 26. Like the FIG. 5 can recognize, has the retaining lug 25 lateral widening 28 in which the support surfaces 29 expire. The support surfaces 29 and the bearing surfaces 21.5 are oriented pointing in opposite directions.
  • the base part 10 has a plug-in receptacle 15 which is adapted in its cross-section to the outer contour of the plug-in projection 21 of the bit holder 20. Front side, the plug-in receptacle 15 is limited by means of a support projection 12.
  • a screw 13 is incorporated as a thread.
  • the screw receptacle 13 opens into the plug-in receptacle 15.
  • the plug receptacle 15 faces away from the screw receptacle 13 in a bore enlargement 13.1.
  • the support lug 12 has in its upper, radially outer region on a support 18 which is formed by two support surfaces 18.1.
  • the two support surfaces 18.1 are employed at an angle to each other.
  • the angular orientation of the support surfaces 18.1 is adapted to the orientation of the support surfaces 29 of the chisel holder 20, so that the support surfaces 29 of the chisel holder 20 plane-parallel on the support surfaces 18.1 of Base part 10 can rest.
  • the support surfaces 18.1 are for the purpose of the defined investment of the bit holder 20 via a recessed paragraph 18.4 connected to each other.
  • the plug-in receptacle 15 is delimited by an abutment 16.
  • the anvil 16 is part of a rear projection 17 which protrudes counter to the feed direction (v) via the plug-in receptacle 15.
  • the anvil 16 is formed by two further support surfaces 16.1, which are at an angle to each other. These further support surfaces 16.1 are again adapted in their design and spatial arrangement adapted to the bearing surfaces 21.5 of the bit holder 20, so that a plane-parallel contact the other bearing surfaces 21.5 on the support surfaces 16.1 is possible.
  • Opposite the support surfaces 18.1, the plug-in receptacle 15 is bounded by an open space 18.2.
  • the plug-in receptacle 15 is bounded by two lateral connecting sections 19.
  • the inner surfaces formed by the connecting sections 19 and facing the plug-in receptacle 15 pass over open spaces 18.5 into walls 18.6, which in turn are oriented in the tool feed direction (v).
  • the walls 18.6 turn out in the open space 18.2.
  • the mounting of the bit holder 20 on the base part 10 is carried out as follows.
  • the bit holder 20 is inserted with its plug 21 in the socket 15 of the base member 10.
  • the fastening element 14 has a pressure surface oriented at right angles to the screw axis, which abuts the pressure surface 21. 2 of the chisel holder 20.
  • the pressure surface does not have to be a flat surface, but can also be a spherical surface.
  • the FIG. 1 shows that two fastening elements 14 are used for fastening the chisel holder 20, thus also two screw receptacles 13 are incorporated into the base part 10.
  • the fastening element 14 presses against the pressure surface 21.2. Due to the angular position of the pressure surface 21.2 to Central longitudinal axis of the plug 21, the fastener 14 exerts a pull-in force on the plug 21. At the same time a force component is generated, which is opposite to the feed direction (v) and presses the plug 21 in the counter-bearing 16.
  • the force component running in the direction of the longitudinal axis of the plug-in projection 21 brings the support surfaces 18.1 of the support 18 with the support surfaces 29 of the bit holder 20 to the plant.
  • a tension of the fasteners 14 now causes, as in particular from FIG.
  • the bit holder 20 experiences a support on both sides of the central longitudinal axis of the plug-in projection 21.
  • the support on the anvil 16 is made on the rear side of the central longitudinal axis on the plug-in end of the bit holder 20 and on the other on the support 18 on the front side of the central longitudinal axis of the holder approach end of the chisel holder.
  • the support surfaces 29 and the bearing surfaces 21.5 are diametrically opposed to the bit holder 20.
  • the fastening screw 14 now acts on the insertion projection 21 such that a tensioning of the bit holder 20 takes place on the support 18 and the abutment 16. In this way, a secure and captive attachment of the chisel holder 20 is guaranteed.
  • FIG. 3 can further recognize that in the bore extension 13.1 of the screw 13, a cover 14.1 can be used, which covers the tool holder of the fastener 14.
  • Both the base part 10 and the bit holder 20 are formed substantially mirror-symmetrically to the transverse direction of the medium (in the transverse direction) of these respective components. This promotes a uniform load transfer.
  • FIG. 3 can recognize a unique assignment of the bit holder 20 to the base part 10 in particular guaranteed by the fact that only one edition of these two above-mentioned central support points takes place (support 18 and thrust bearing 16).
  • the free space 18.2 the walls 18.6 of the open spaces 18.5 and the connecting portion 19 of the plug 21 is released from the socket 15. If, for example, a wear of the support surfaces 18.1 takes place in the course of the use of the base part 10, the paragraph 18.4 forms a reset space.
  • the spacing of the bit holder 20 from the paragraph 18.4 guarantees a repositioning of the bit holder 20 in case of wear.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Milling Processes (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Clamps And Clips (AREA)

Claims (21)

  1. Porte-pic ayant une saillie d'emboîtement (21) et un embout de retenue (25) ayant un logement de pic (26), la saillie d'emboîtement (21) ayant une partie de support et l'embout de retenue (25) ayant une partie d'appui,
    la partie d'appui présentant deux faces d'appui (29) formant ensemble un angle,
    l'axe central longitudinal (11) du logement de pic (26) et l'axe longitudinal (L) de la saillie d'emboîtement (21) formant un angle obtus
    et les faces d'appui (29) étant disposées de chaque côté du plan central transversal du porte-pic (20) partant dans la direction d'avancement (v) de l'outil.
  2. Porte-pic selon la revendication 1, caractérisé en ce que la partie de support présente deux faces de support (21.5) formant ensemble un angle et les faces de support (21.5) étant disposées de chaque côté du plan central transversal du porte-pic (20) partant dans la direction d'avancement (v) de l'outil.
  3. Porte-pic selon la revendication 1 ou 2,
    caractérisé en ce
    que la partie d'appui maintient les faces d'appui (29) dans la direction d'avancement (v) de l'outil au moins à certains endroits devant la saillie d'emboîtement (21).
  4. Porte-pic selon une des revendications 1 à 3,
    caractérisé en ce
    que la face de support (21.5) ou les faces de support (21.5) sont orientées sensiblement à l'encontre de la direction d'avancement (v) de l'outil.
  5. Porte-pic selon une des revendications 1 à 4,
    caractérisé en ce
    que la face de support (21.5) ou les faces de support (21.5) présente(nt) des zones de surface qui sont agencées de manière décalée dans la direction de l'axe longitudinal de la saillie d'emboîtement (21) au moins à certains endroits par rapport à une face d'appui (29) ou aux faces d'appui (29).
  6. Porte-pic selon une des revendications 1 à 5,
    caractérisé en ce
    que la saillie d'emboîtement (21) présente sur son côté avant (22) orienté dans la direction d'avancement (v) de l'outil au moins une face de pression (21.2) pour être sollicitée par une vis, la face de pression (21.2) ou les faces de pression (21.2) formant un angle par rapport à l'axe longitudinal de la saillie d'emboîtement (21).
  7. Porte-pic selon une des revendications 1 à 6,
    caractérisé en ce
    que les faces d'appui (29) sont dirigées dans la direction de l'extrémité libre de le saillie d'emboîtement (21).
  8. Porte-pic selon une des revendications 1 à 7,
    caractérisé en ce
    que l'embout de retenue (25) présente une région qui fait saillie au-delà de la saillie d'emboîtement (21) et en ce que la face d'appui (29) ou les faces d'appui (29) sont disposées sur la région en saillie.
  9. Porte-pic selon une des revendications 1 à 8,
    caractérisé en ce
    que la face de support (21.5) ou les faces de support (21.5) dans la direction de l'axe longitudinal de la saillie d'emboîtement (21) fait/font saillie à certains endroits de la face d'appui (29) ou des faces d'appui (29) et/ou en ce que la face de support (21.5) ou les faces de support (21.5) sont guidées jusque dans la région de l'embout de retenue (25).
  10. Porte-pic selon une des revendications 1 à 9,
    caractérisé en ce
    que la face de support (21.5) ou les faces de support (21.5) s'étendent parallèlement à l'axe longitudinal de la saillie d'emboîtement (21) ou s'étendent sensiblement dans la direction de l'axe longitudinal.
  11. Porte-pic selon une des revendications 1 à 10,
    caractérisé en ce
    que les faces d'appui (29) et la face de support (21.5) ou les faces de support (21.5) forment respectivement des guides en coulissement.
  12. Porte-pic selon une des revendications 1 à 11,
    caractérisé en ce
    que les faces de support (21.5) et/ou les faces d'appui (29) sont disposées symétriquement au plan central transversal.
  13. Porte-pic selon une des revendications 1 à 12,
    caractérisé en ce
    que les faces d'appui (29) s'étendent sensiblement parallèlement à l'axe central longitudinal (M) du logement de pic (26) ou en ce qu'un angle dans la plage comprise entre -20° et +20° se forme entre l'axe central longitudinal (M) du logement de pic (26) et la face d'appui (29) ou les faces d'appui (29).
  14. Porte-pic selon la revendication 13,
    caractérisé en ce
    que l'angle obtus entre l'axe central longitudinal (M), le logement de pic (26) et l'axe longitudinal (L) de la saillie d'emboîtement (21) est choisi dans la plage comprise entre 110° et 160°.
  15. Porte-pic selon une des revendications 1 à 14,
    caractérisé en ce
    que les faces d'appui (29) et la face de support (21.5) ou les faces de support (21.5) sont orientées dans des directions opposées, en particulier diamétralement opposées.
  16. Élément de base destiné à loger un porte-pic (20) selon l'une quelconque des revendications 1 à 15, comprenant un logement d'emboîtement (15), une saillie (17) et une saillie d'appui (12), la saillie (17) comportant une butée (16) ayant une ou plusieurs autres faces d'appui (16.1),
    caractérisé en ce
    la saillie d'appui (12) présente un support (18) ayant deux faces d'appui (18.1), en ce que les faces d'appui (18.1) forment ensemble un angle en forme de prisme et en ce que les faces d'appui (18.1) de la saillie d'appui (12) s'étendent selon un angle obtus par rapport à l'axe longitudinal du logement d'emboîtement (15).
  17. Élément de base selon la revendication 16,
    caractérisé en ce
    que la saillie (17) présente deux autres faces d'appui (16.1) et en ce que les autres faces d'appui (16.1) forment ensemble un angle en forme de prisme.
  18. Élément de base selon l'une des revendications 16 ou 17,
    caractérisé en ce
    que la saillie d'appui (12) dans la direction d'avancement (v) de l'outil présente la face d'appui (18.1) ou les faces d'appui (18.1) devant et la saillie (17) présente l'autre face d'appui (16.1) ou les autres faces d'appui (16.1) derrière l'axe longitudinal du logement d'emboîtement (15).
  19. Élément de base selon l'une des revendications 16 à 18,
    caractérisé en ce
    que l'autre face d'appui (16.1) ou les autres faces d'appui (16.1) de la saillie (17) présentent des zones de surface décalées au moins à certains endroits transversalement à la direction d'avancement (v) de l'outil par rapport à la face d'appui (18.1) ou aux faces d'appui (18.1) de la saillie d'appui (12).
  20. Élément de base selon l'une des revendications 16 à 19,
    caractérisé en ce
    que les faces d'appui (18.1) de la saillie d'appui sont sensiblement opposées à la direction d'avancement (v) en outil.
  21. Élément de base selon l'une des revendications 16 à 20,
    caractérisé en ce
    que la saillie d'appui (12) présente au moins un logement fileté (13) qui débouche dans le logement d'emboîtement (15).
EP10188979.8A 2009-12-17 2010-10-27 Porte-pic et élément de base pour la réception d'un porte-pic Active EP2336489B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009059189A DE102009059189A1 (de) 2009-12-17 2009-12-17 Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters

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Publication Number Publication Date
EP2336489A2 EP2336489A2 (fr) 2011-06-22
EP2336489A3 EP2336489A3 (fr) 2016-06-29
EP2336489B1 true EP2336489B1 (fr) 2019-05-15

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US (3) US8746807B2 (fr)
EP (1) EP2336489B1 (fr)
JP (1) JP5409586B2 (fr)
KR (1) KR101288026B1 (fr)
CN (2) CN201915964U (fr)
AU (1) AU2010246503B2 (fr)
BR (2) BRPI1005564B1 (fr)
CA (1) CA2722699C (fr)
DE (1) DE102009059189A1 (fr)
RU (1) RU2479717C2 (fr)
TW (1) TWI463063B (fr)

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Also Published As

Publication number Publication date
CN102102517B (zh) 2015-12-16
BRPI1005894A2 (pt) 2015-06-09
EP2336489A2 (fr) 2011-06-22
US20160356156A1 (en) 2016-12-08
EP2336489A3 (fr) 2016-06-29
AU2010246503A1 (en) 2011-07-07
RU2010151784A (ru) 2012-06-27
CN201915964U (zh) 2011-08-03
JP5409586B2 (ja) 2014-02-05
US10352164B2 (en) 2019-07-16
JP2011126003A (ja) 2011-06-30
CN102102517A (zh) 2011-06-22
CA2722699A1 (fr) 2011-06-17
BRPI1005564A2 (pt) 2013-04-02
BRPI1005564B1 (pt) 2019-10-01
RU2479717C2 (ru) 2013-04-20
US20110148179A1 (en) 2011-06-23
BRPI1005894B1 (pt) 2019-10-29
AU2010246503B2 (en) 2012-07-12
TWI463063B (zh) 2014-12-01
US20140265529A1 (en) 2014-09-18
CA2722699C (fr) 2013-07-09
DE102009059189A1 (de) 2011-06-22
TW201128054A (en) 2011-08-16
KR20110069720A (ko) 2011-06-23
US8746807B2 (en) 2014-06-10
KR101288026B1 (ko) 2013-07-18
US9334733B2 (en) 2016-05-10

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