EP3341172B1 - Dispositif d'enlèvement de matériau de construction - Google Patents

Dispositif d'enlèvement de matériau de construction Download PDF

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Publication number
EP3341172B1
EP3341172B1 EP16754459.2A EP16754459A EP3341172B1 EP 3341172 B1 EP3341172 B1 EP 3341172B1 EP 16754459 A EP16754459 A EP 16754459A EP 3341172 B1 EP3341172 B1 EP 3341172B1
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EP
European Patent Office
Prior art keywords
cutting
discs
cutter base
impacting
circumferential direction
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.)
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EP16754459.2A
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German (de)
English (en)
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EP3341172A1 (fr
Inventor
Christoph Heise
Jörg Fitting
Steffen Reinhardt
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.)
Karlsruher Institut fuer Technologie KIT
Herrenknecht AG
Kraftanlagen Heidelberg GmbH
Original Assignee
Karlsruher Institut fuer Technologie KIT
Herrenknecht AG
Kraftanlagen Heidelberg GmbH
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Application filed by Karlsruher Institut fuer Technologie KIT, Herrenknecht AG, Kraftanlagen Heidelberg GmbH filed Critical Karlsruher Institut fuer Technologie KIT
Publication of EP3341172A1 publication Critical patent/EP3341172A1/fr
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Publication of EP3341172B1 publication Critical patent/EP3341172B1/fr
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    • 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
    • B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
    • 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
    • B28D1/181—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 using cutters loosely mounted on a turning tool support

Definitions

  • the invention relates to a device for removing building material according to the preamble of claim 1.
  • Such a device is off EP 1 266 737 A2 known.
  • This known device for removing a brittle component of a building material has a rotatable around a central longitudinal axis Abtragsaku having groups of impact discs.
  • the impact disks of each group are mounted with play in the radial direction on a disk bearing axis.
  • the disk bearing axles in turn are arranged at a radial distance from the central longitudinal axis.
  • several groups of impact discs are present in the circumferential direction.
  • WO 2005/091877 A2 is another device for removing material known, which has about a central axis rotatable Abtragsaku having groups of cutting wheels.
  • the cutting wheels of each group are mounted on a wheel bearing axle.
  • Each cutter wheel is equipped along the circumference with a number of hardened, projecting chisels.
  • the invention is based on the object to provide a device of the type mentioned above, which is characterized by an efficient removal of construction material such as reinforced concrete, which has at least one ductile component such as in particular reinforcing steel elements and at least one brittle component such as concrete.
  • the active edges of the or each cutting base lie between radial end positions of the impact disks, wherein the impact disks preferably have elevations radially outwardly defining the radial end positions and depressions lying radially on the inside.
  • Fig. 1 shows a perspective view of an embodiment of a device according to the invention.
  • the embodiment according to Fig. 1 has a substantially cuboidal outer plate 1, which in the illustration according to Fig. 1 facing the viewer.
  • On the in the illustration according to Fig. 1 The viewer facing away from the outer panel 1 is also a substantially cuboidal inner plate 2 is present, which is connected to the outer panel 1.
  • roundedroy the outer plate 1 and the inner plate 2 web-like roller bearing base 3 are mounted, which protrude beyond the outer plate 1 and the inner plate 2 and cylindrical guide rollers 4 rotatably support.
  • a drive shaft 5 and in the foot region an output shaft 6 are rotatably mounted in a head region opposite the guide rollers 4.
  • the drive shaft 5 and the output shaft 6 are shown in FIG Fig. 1 invisible, arranged in the outer plate 1 transmission unit connected to each other such that a rotational movement of the drive shaft 5 transmits to the output shaft 6.
  • the drive shaft 5 is in communication with a drive motor 7 which can be fed, for example, with electrical energy, with which the drive shaft 5 can be driven to rotate, while the output shaft 6 is coupled to a removal unit 8.
  • the substantially cylindrical trained Abtragsaku 8 has for removing at least one brittle component of a material on groups of impact disks 9 as Abtragstechnikmaschinee, which are arranged at a radial distance from the center of the central axis of the output shaft 6 coinciding center longitudinal axis of the Abtragsaku 8. Groups of impact disks 9 are arranged in the circumferential direction at an angular distance from one another.
  • each cutting base 10 is preceded by a stripping module 12, with which the material or each brittle component removed by the impact disks 9 can be largely removed prior to the action of a cutting socket 10 on a ductile component.
  • a protective cover 13 is present, which is releasably connected to the inner plate 2, for example by screws.
  • Fig. 2 shows in a perspective view of the embodiment according to Fig. 1 with a view of the outer panel 1 side facing away.
  • Out Fig. 2 It can be seen that in this embodiment in the circumferential direction in two axial sections 14a, 14b to achieve a relatively smooth concentricity in a removal four groups of radially outwardly with projections and with radially inwardly lying recesses formed impact discs 9 and four four-sided acting cutting base 10 are present , wherein between two circumferentially directly adjacent groups of impact discs 9 each have a cutting base 10 is arranged.
  • the alternating arrangements of groups of impact disks 9 and cutting base 10 are offset by 45 degrees so that in the axial direction a group of impact disks 9 of the one axial portion 14a, 14b adjacent to a cutting base 10 of the other axial portion 14b, 14a or a cutting base 10 of the one axial portion 14a, 14b of a group of impact disks 9 of the other axial portion 14b, 14a is arranged adjacent. This results in the removal of a material a relatively homogeneous load distribution in the axial direction.
  • the groups of impact discs 9 are rotatably mounted on a respective disc bearing axis 15.
  • the disc bearing axles 15 of the groups of impact discs 9 in the inner plate 2 remote axial portion 14b are mounted with their the inner plate 2 opposite ends in Achsenuter consultancyen 16, while the inner plate 2 facing ends of these disc bearing axles 15 are held in the cutting sockets 10 of the inner plate 2 adjacent axial portion 14a.
  • the inner plate 2 facing away from the ends of the disc bearing shafts 15 of the inner plate 2 adjacent axial portion 14a are stored in the cutting bases 10 of the inner plate 2 remote axial portion 14b, while the inner plate 2 facing ends of these disc bearing axles 15 in one of the inner plate 2 directly opposite disc-like Bearing plate 17 are held.
  • On the bearing plate 17 and the cutting base 10 of the inner plate 2 adjacent axial portion 14 a are attached.
  • Fig. 3 shows the embodiment according to Fig. 1 and Fig. 2 in a sectional view in the plane in which the center axes of the drive shaft 5 and the output shaft 6 lie.
  • the transmission unit is designed by a link chain 18, which is arranged with in the outer plate 1 and connected to the drive shaft 5 and the output shaft 6 pinions 19, 20 is engaged.
  • intermediate rings 21 are arranged around the respective disc bearing axis, which limit a movement of the impact discs 9 in the axial direction to a minimum, which still allows a movement of the impact discs 9 in the radial direction reliable.
  • Fig. 3a shows in a perspective view a detail of the removal unit 8 according to Fig. 1 to Fig. 3 in the region of a group of impact disks 9, which are arranged at a free end of a disk bearing axle 15.
  • Fig. 3a is the disc bearing axis 15 with respect to the arrangement according to Fig. 2 and Fig. 3 in the axial direction of the in Fig. 3a not shown inner plate 2 shown above, so that it can be seen that these disc bearing axles 15 at one end free ends have an end plate 15a whose outer diameter greater than the inner diameter of the held at the free end and flush termination with a receiving recess 9a for the end plate 15a formed impact disks 9 is.
  • Fig. 4 shows in a perspective view of an embodiment of a one-sided cutting base 10 with a stripping module 12 for a device according to the invention such as for the basis Fig. 1 to Fig. 3 explained embodiment.
  • the cutting base 10 according to Fig. 4 has a wedge-shaped, in a radial direction and in an axial direction extending solid base body 22.
  • the in the illustration according to Fig. 4 facing away from the viewer and when used with the embodiment according to Fig. 1 to Fig. 3 the output shaft 6 facing inside 23 of the base body 22 is dimensioned smaller in the circumferential direction than that in the illustration Fig. 4 facing the viewer and in use with the embodiment according to Fig. 1 to Fig. 3 the output shaft 6 facing away from the outside 24th
  • the outer side 24 of the base body 22 has a radially oriented and axially extending rear abutment step 25a, which divides the outer side 24 in a raised portion and in a recessed area and to which a number of in accordance with the execution Fig. 4 cuboidal cutting plates 11 are detachably mounted with a square base over one fastening screw 26.
  • each mounted on the rear abutment step 25a cutting plate 11 is arranged in a formed in the rear abutment step 25a in the circumferential direction receiving pocket 27 which secures the arranged in a receiving pocket 27 inserts 11 in addition to the mounting screw 26 backlash against displacement in the axial direction.
  • the attached to the rear abutment step 25 a cutting plates 11 radially outwardly and facing away from the rear abutment step 25 a each have a cutting edge 28, which arranged to form a rear effective edge for a chip removal at an equal distance from the central longitudinal axis of the Abtragsaku 8 and in this embodiment also aligned in the axial direction with each other.
  • the cutting edges 28 are in the axial direction at least in the plane of the raised portion of the outer side 24, but expediently slightly over the raised portion of the outer side 24 protruding.
  • a stripping module 12 which has a module body 29, which is arranged opposite to the cutting edges 28 of the cutting plates 11 at a distance from the rear abutment step 25a.
  • the module body 29 is mounted on the base body 22 and extends in the axial direction over the entire width of the base body 22.
  • the module body 29 carries in the radial direction over the outside 24 of the base body 22 at least to the plane of the cutting edges 28, but preferably beyond protruding, relatively rigid brush elements 30 of, for example, an elastic metal wire.
  • the brush elements 30 are in the embodiment according to Fig.
  • Fig. 4a shows in a perspective view of another embodiment of a designated direction of rotation and thus acting unilaterally cutting base 10 with a stripping module 12 for a device according to the invention.
  • the cutting base 10 according to Fig. 4a has in addition to a rear abutment step 25a according to the embodiment according to Fig. 4 via a front abutment step 25b, which is disposed between the stripping module 12 and the rear abutment step 25a.
  • the front abutment step 25b like the rear abutment step 25a, is radially aligned and straight in the axial direction so that the outer side 24 is divided into two raised areas and two recessed areas.
  • a number of the embodiment shown in FIG Fig. 4a cuboidal cutting plates 11 with a square base over one mounting screw 26 releasably attached.
  • each mounted on the front abutment step 25b cutting plate 11 is arranged in a formed in the front abutment step 25b in the circumferential direction receiving pocket 27 which secures the arranged in a receiving pocket 27 inserts 11 in addition to the mounting screw 26 backlash against displacement in the axial direction.
  • the mounted on the front abutment step 25 b cutting plates 11 radially outwardly and facing away from the front abutment step 25 b each have a cutting edge 28, which arranged to form a front-side effective edge for a chipping at an equal distance from the central longitudinal axis of the Abtragsaku 8 and in this embodiment also aligned in the axial direction with each other.
  • the cutting edges 28 are in the axial direction at least in the plane of the adjacent to the front abutment step 25b raised portion of the outer side 24, but expediently somewhat over this raised portion of the outside 24 protruding. This results when turning a removal unit 8 for performing a removal of construction material a simultaneous engagement of all cutting edges 28 along the front-side effective edge.
  • Fig. 4b shows in a side view the further embodiment of a cutting base 10 according to Fig. 4a , From the illustration according to Fig. 4b It can be seen that the cutting edges 28 of the cutting plates 11 attached to the rear abutment step 25a are arranged radially opposite the cutting edges 28 of the cutting plates 11 mounted on the front abutment step 25b at a greater distance from the inner side 23 of the base body 22.
  • the front-side effective edge and the rear effective edge are arranged in the radial direction at different heights, so that when turning the Abtragsech 8 in the intended direction of rotation first along the front-side effective edge and then along the radially over the front-side effective edge protruding rear Wirckante a tool-saving and Efficient two-stage machining removal of a ductile component of a building material takes place.
  • Fig. 5 shows in a perspective view of another embodiment of a one-sided cutting base 10 with a stripping module 12 for a device according to the invention, wherein in the embodiment according to Fig. 4 and in the execution according to Fig. 5 Corresponding elements provided with the same reference numerals and are not further explained below.
  • the back abutment step 25a in the axial direction staircase formed with in the transition region of a cutting plate 11 to an adjacent cutting plates 11 rounded transitions, so that the cutting plates 11 are arranged in the circumferential direction expediently offset by a respective same distance from each other.
  • Fig. 6 shows in a perspective view of another embodiment of a one-sided cutting base 10 with a stripping module 12 for a device according to the invention, wherein in the embodiments according to Fig. 4 such as Fig. 5 and in the execution according to Fig. 6 Corresponding elements provided with the same reference numerals and are not further explained below.
  • pairs of cutting plates 11 may be arranged in the circumferential direction opposite each other with paired aligned cutting edges 28.
  • a time-shifted engagement of individual or pairs of cutting edges 28 results due to their equal distance from the central longitudinal axis of the removal unit 8 along an active edge.
  • Fig. 7 shows in a perspective view of another embodiment of a one-sided cutting base 10 with a stripping module 12 for a device according to the invention, wherein in the embodiments according to Fig. 4 to Fig. 6 and in the execution according to Fig. 7 Corresponding elements provided with the same reference numerals and are not further explained below.
  • the execution according to Fig. 7 are in staircase forming the rear abutment step 25a according to the embodiment according to Fig. 5
  • the cylinder-like cutting plates 11 are formed with a circular base surface, wherein a portion of the cutting plates 11 projects in the radial direction over the raised portion of the outer side 24 of the base body 22.
  • Fig. 8 shows a schematic side view of a removal unit 8 of the embodiment according to Fig. 1 to Fig. 3 with an in a proper direction of rotation and thus unilaterally acting cutting base 10 having circumferentially offset cutting inserts 11, in an operating position when removing a brittle component 31 such as concrete of a material 32, which is formed by reinforced concrete and ductile Component 33 has reinforcing steel elements.
  • the output shaft 6 rotates in a single, namely the intended direction of rotation, so that thereby the Abtragsaku 8 in the illustration according to Fig. 4 is rotated in the counterclockwise direction, while the removal unit 8 translationally in the direction of rotation, as shown in FIG Fig. 8 indicated by a straight arrow from left to right, is moved.
  • the impact disks 9, which are not in contact with the construction material 32, are arranged maximally radially outwards due to the centrifugal force and abut against the respective disk bearing axles 15 in their areas of the center recess facing the output shaft 6.
  • this differs radially inwardly due to the bearing in the radial direction bearing, but the brittle component 31 is removed by knocking out material in a Abtrags Scheme by the case transferred to the material 31, until the in contact with the brittle component 31 located impact discs 9 as the free impact discs 9 are arranged maximally radially outward.
  • the impact disk 9 closest to the construction material 32 is shown in an underlying removal region as already penetrated so far into the brittle component 31 that no further removal of brittle component 31 takes place.
  • Fig. 9 shows in a schematic side view accordingly Fig. 8 the removal unit 8 in a further, non-abrasive operating position, in which the construction material 32 next adjacent impact disk 9 with a ductile component 33 in contact. Because the ductile component 33 is not or not significantly removed due to their impact strength by the momentum transfer of the impact disks 9, but is usually only plastically deformed soft, the coming into contact with the ductile component 33 impact discs 9 radially inward maximum up to the stop on the respective disc bearing axis 15 off.
  • Fig. 10 shows in a schematic side view accordingly Fig. 8 and Fig. 9 the removal unit 8 in a further operating position during renewed removal of the brittle component 31 and during preparation of the removal of the ductile component 33 of the building material 32. From the illustration according to FIG Fig. 10 It can be seen that, after passing over the ductile component 33 through the impact disks 9, first the stripping modules 12 and then the cutting plates 11 of the cutting pedestals 10 come into engagement with the ductile component 33. In the in Fig. 10 illustrated operating position, the contact of the brush elements 30 of a stripping module 12 is shown with the ductile component 33, whereby the ductile component 33 is freed of abraded by the impact discs 9 material of brittle component 31.
  • Fig. 11 shows in a schematic side view accordingly Fig. 8 to Fig. 10 the removal unit 8 in a further operating position when removing the ductile component 33 of the material 32, in which now the cutting plates 11 of a cutting base 10 with the ductile component 33 are engaged and by the action of the cutting edges 28 on the ductile component 33 along the active edge cutting Remove material of the ductile component 33 in a Abtrags Geneva.
  • Fig. 12 shows in a schematic side view accordingly Fig. 8 to Fig. 11 the removal unit 8 in a further operating position when renewed removal of the brittle component 31 accordingly the operating position according to Fig. 8 and after the removal of the ductile component 33 of the building material 32 in the in the operating position according to Fig. 11 machined Abtrags Kunststoff, whereby a new Abtragszyklus with removal of initially brittle component 31 and then ductile component 33 of the building material 32 begins.
  • Fig. 13 shows in a schematic perspective view of the embodiment according to Fig. 1 to Fig. 3 after a sheet-like removal of a volume of a building material 32 in the form of a piece of reinforced concrete block having a ductile component 33 in the form of a number of reinforcing steel elements and a brittle component 31 in the form of concrete, in which the reinforcing steel elements are embedded three-dimensionally.
  • Fig. 13 It can be seen that with the embodiment according to Fig. 1 to Fig. 3 by alternating web-like reciprocation under rest of the guide rollers 4 on the material 32 with a pivoting of the Abtragsaku 8 at the end of a Abtragsbahn 180 degrees groove-like depressions in the material 32 can be introduced.
  • the cutting plates 11 are displaced in the axial direction of the Abtragsaku 8 of successively in the circumferential direction following cutting base 10 so that even in a single run over a gap in the axial direction of the Abtragsaku 8 results Abtragshaft.
  • Fig. 14 shows in a perspective view of another embodiment of a device according to the invention, wherein in the reference Fig. 1 to Fig. 3 explained embodiment and in the embodiment according to Fig. 14 Corresponding elements provided with the same reference numerals and will be explained in more detail below in part.
  • the embodiment according to Fig. 14 consists essentially of two embodiments according to Fig. 1 to Fig. 3 , which are connected to each other with their outer plates 1 at the Abtragsaku 8 facing away from each other. This results in a relatively wide Abtrags Geb, the lying between the Abtragsakuen 8 area separately, for example, by offsetting the embodiment according to Fig. 14 in the axial direction of the Abtragsakuen 8 is to be removed. This advantageously results in a removal of building material in relatively wide and not too deep Abtragsbahnen.
  • Fig. 15 shows in a perspective view of another embodiment of a device according to the invention, wherein in the reference Fig. 1 to Fig. 3 such as Fig. 14 explained embodiments and in the embodiment according to Fig. 15 Corresponding elements provided with the same reference numerals and will be explained in more detail below in part.
  • the removal unit 8 has a fork-like support structure with an inner axial section 34a and two outer axial sections 34b, 34c that are circumferentially similar to an alternating sequence of two each arranged groups of impact discs 9 and arranged between two adjacent arranged groups of impact discs 9 cutting base 10 are formed.
  • the axial sections 34a, 34b, 34c are connected via two wedge-shaped connecting plates 35a, 35b to a carrier plate 36, to which the drive motor 7 is attached via a coupling flange 37.
  • each axial portion 34a, 34b, 34c each have a protective cover 13a, 13b, 13c arranged.
  • Fig. 16 shows in a sectional view of the embodiment according to Fig. 15 , Out Fig. 16 It can be seen that the groups of impact disks 9 and the cutting bases 10 of an axial section 34a, 34b, 34c are respectively attached to a hollow chamber rim 38a, 38b, 38c which is respectively non-rotatably coupled to the output shaft 6 cooperating with the removal unit 8.
  • the output shaft 6 is rotatably mounted in the connecting plates 34a, 34b and coupled via a transmission wheel 39 as a transmission unit and via a drive wheel 40 to the drive shaft 5 connected to the drive motor 7.
  • Fig. 17 shows in a schematic perspective view the basis Fig. 15 and Fig. 16 illustrated embodiment after a web-like removal of a volume of a material 32 in the form of a fragmentary reinforced concrete block having a ductile component 33 in the form of a number of reinforcing steel elements and a brittle component 31 in the form of concrete, in which the reinforcing steel elements are embedded three-dimensionally.
  • Fig. 15 and Fig. 16 let the recessed erosion path through Back and forth with a relatively slow to go through way and a relatively fast to traverse return path with an offset of the Abtragsech 8 in the axial direction for removing the two after the way between adjacent axial sections 34a, 34b, 34c still remaining raised areas produce. This advantageously results in a relatively fast removal of building material in relatively wide and already relatively deep Abtragsbahnen.
  • Fig. 18 shows in a perspective view of another embodiment of a device according to the invention, wherein in the reference Fig. 1 to Fig. 3 .
  • Fig. 14 and Fig. 15 such as Fig. 16 explained embodiments and in the embodiment according to Fig. 18 Corresponding elements provided with the same reference numerals and will be explained in more detail below in part.
  • the trained without Abstreifmodule 12 embodiment according to Fig. 18 has a single axial section 41, which carries on a hollow chamber rim 38 in the circumferential direction a sequence of a respective group of impact disks 9 and a cutting base 10.
  • the hollow rim 38 is rotatably connected to the output shaft 6 and disposed between two connecting plates 35a, 35b, in which the output shaft 6 is rotatably mounted.
  • the output shaft 6 in turn is via the drive motor 7 and a in Fig. 18 not shown transmission unit driven to rotate.
  • the embodiment is characterized according to Fig. 18 characterized in that even with a large diameter of the hollow rim 38 can be achieved with a single pass on a Abtragsbahn a depth which is slightly smaller than the radius of the Abtragsaku 8.
  • Fig. 19 shows in a perspective view of another embodiment of a removal unit 8 for a device according to the invention, wherein in the further embodiment of a removal unit 8 according to Fig. 19 and the above-described removal units 8 corresponding elements provided with the same reference numerals and to avoid repetition in part are not explained again in detail.
  • the removal unit 8 in the embodiment according to Fig. 19 are different from the Abtragstician 8 according to Fig. 2 all cutting bases 10 are arranged in one axial section 14a and all groups of striking disks 9 are arranged in a further axial section 14b. This results in an efficient removal at an axial extent of the axial sections 14a, 14b corresponding displacement of the removal unit 8 according to Fig. 19 in the axial direction such that first the impact disks 9 and after displacement in the axial direction, the cutting plates 11 of the cutting base 10 with the material 32 come into engagement.
  • Fig. 20 shows in a perspective view of another embodiment of a removal unit 8 for a device according to the invention, wherein in the further embodiment of a removal unit 8 according to Fig. 20 and the above-described removal units 8 corresponding elements provided with the same reference numerals and to avoid repetition in part are not explained again in detail.
  • the execution of the removal unit 8 according to Fig. 20 is distinguished from the execution of the removal unit 8 according to Fig.
  • Fig. 21 shows in a perspective view of another embodiment of a removal unit 8 for a device according to the invention, wherein in the further embodiment of a removal unit 8 according to Fig. 21 and the above-described removal units 8 corresponding elements provided with the same reference numerals and to avoid repetition in part are not explained again in detail.
  • the removal unit 8 in the embodiment according to Fig. 21 are the remote from the bearing plate 17 ends of the disk bearing axles 15 in an in the circumferential direction about the output shaft 6 rotatable adjusting plate 42, obliquely elongated Zwangs Adjustsausappel 43 mounted.
  • the inclination of the Zwangs exchangesausappelisme 43 is in the same sense in the sense that with respect to a indicated by an arrow first direction of rotation of the adjusting plate 42 rear ends of the Zwangs exchangesausappel 43 are relatively close to the edge of the adjusting plate 42, while the opposite ends of the rear, with respect in the first direction of rotation front ends of Zwangs exchangesausappel 43 are further away from the edge of the adjusting plate 42.
  • Fig. 21 is the Abtragstician 8 in a first operating position, in which after rotation of the adjusting plate 42 in the first direction of rotation, the ends of the disc bearing axes 15 in the region of the rear in the direction of rotation of the adjusting plate 42, in the radial direction further outward ends of the Zwangs exchangesausappel 43 are arranged.
  • the impact disks 9 are in operation of the removal unit 8 as in the embodiment of the removal unit 8 according to Fig. 2 raised relative to the cutting edges 28 of the cutting plates 11 without the action of external forces in the radial direction.
  • Fig. 22 shows in a perspective view of the further embodiment of a removal unit 8 according to Fig. 21 in a second operating position, starting from the first operating position according to Fig. 21 characterized in that the adjusting plate 42 in the direction of in Fig. 21 indicated arrow has been rotated in one of the first rotational direction opposite second direction of rotation until the ends of the disc bearing axes 15 are arranged in the region of the radially inwardly located forward ends of the Zwangs arrangementausappel 43.
  • the impact disks 9 are opposite to the arrangement in the first operating position according to Fig.
  • Fig. 23 shows a side view of a further embodiment of a removal unit 8 for a device according to the invention, wherein in the further embodiment of a removal unit 8 according to Fig. 23 and the above-described removal units 8 corresponding elements provided with the same reference numerals and to avoid repetition in part are not explained again in detail.
  • the removal unit 8 in the embodiment according to Fig. 23 has two rotation directions and thus two-sided acting cutting base 10 ', which has two peripherally arranged peripherally groups of first cutting plates 11a and second cutting plates 11b, each having a cutting edge 28 has. Each group of first cutting plates 11a and second cutting plates 11b is preceded by a stripping module 12.
  • Each double-sided cutting base 10 ' is tilted in the circumferential direction with its base body 22 via a tilting axis 45, which crosses the base body 22 in one of its outer side 24 opposite foot, and otherwise secured in the axial direction of the Abtragsaku 8 substantially free of play.
  • Each base body 22 of a double-sided cutting base 10 ' is formed on the side facing away from its outer side 24 of the tilting axis 45 with a stop pin 46 which extends in the radial direction inwardly in the direction of the output shaft 6.
  • rotatable adjusting sleeves 47 are arranged in the circumferential direction, which have a number of stop ribs 48.
  • the abutment ribs 48 extend radially away from the output shaft 6 in a star shape, so that in each case a pin receiving space 49 is formed between pairs of stop ribs 48 adjacent in the circumferential direction.
  • Each pin receiving space 49 receives a stopper pin 46 of a socket body 22 of a double-sided cutting socket 10 'and is in the circumferential direction larger than the relevant stop pin 46 dimensioned.
  • Fig. 24 shows in a side view the further embodiment of a removal unit 8 according to Fig. 23 in a second operating position, when compared to the first operating position according to Fig. 23 the adjusting sleeves 47 have been rotated clockwise so far that the rear-lying in the clockwise direction walls of the stop pins 46 abut the abutting stop ribs 48. Now, the cutting edges 28 of the clockwise front second cutting inserts 11b in the radial direction relative to the cutting edges 28 of the clockwise lying back first cutting inserts 11a are raised.
  • a removal unit 8 for a device according to the invention Fig. 23 and Fig. 24 is thus characterized by the fact that it can be operated directly in two directions of rotation without alterations.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Milling Processes (AREA)

Claims (19)

  1. Dispositif pour l'excavation de matériaux de construction (32) avec au moins une unité d'enlèvement (8) pouvant pivoter autour d'un axe longitudinal central, ladite unité d'enlèvement (8) présentant pour l'excavation d'au moins un composant fragile (31) d'un matériau de construction (32) au moins un groupe de disques de frappe (9), pour lequel les disques de frappe (9) du groupe ou de chaque groupe sont disposés avec du jeu dans la direction radiale sur un axe de support de disques (15), et pour lequel l'axe ou chaque axe de support de disques (15) sont disposés avec un espacement radial par rapport à l'axe longitudinal central, caractérisé en ce que au moins un socle de coupe (10, 10') est disposé auprès du groupe ou du, au moins un, groupe de disques de frappe (9) dans la direction de la circonférence et/ou au voisinage de la direction axiale, ledit socle de coupe (10, 10') présentant au moins une plaque de coupe (11, 11a, 11b) pour l'enlèvement par copeaux d'au moins un composant ductile (33) d'un matériaux de construction (32).
  2. Dispositif selon la revendication 1, caractérisé en ce que des arêtes actives du ou des socles de coupe (10, 10') se trouvent entre des positions radiales terminales des disques de frappes (9).
  3. Dispositif selon la revendication 1, caractérisé en ce que les disques de frappe (9) présentent du côté extérieur dans la direction radiale des élévations déterminant les positions radiales terminales ainsi que des creux disposés du côté intérieur dans la direction radiale.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il existe un anneau intermédiaire (21) entre deux disques de frappe (9) voisins dans la direction axiale, ledit anneau intermédiaire (21) étant disposé autour de l'axe de support de disques (15) correspondant.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que chaque socle de coupe (10, 10') présente un certain nombre de plaques de coupe (11, 11a, 11b).
  6. Dispositif selon la revendication 5, caractérisé en ce que des arêtes de coupe (28) de plaques de coupe (11, 11a, 11b) sont disposées à égale distance de l'axe longitudinal central afin de former une arête active.
  7. Dispositif selon la revendication 5, caractérisé en ce que des arêtes de coupe (28) de plusieurs groupes de plaques de coupe (11, 11a, 11b) sont disposées dans la direction radiale à des distances différentes de l'axe longitudinal central afin de former au moins deux arêtes actives.
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que les plaques de coupe (11, 11a, 11b) sont fixées de façon amovible sur leur socle de coupe (10, 10') respectif.
  9. Dispositif selon l'une quelconque des revendications 5 à 8, caractérisé en ce que les plaques de coupe (11, 11a, 11b) sont disposées dans des poches de réception (27) sans jeu dans la direction axiale.
  10. Dispositif selon l'une quelconque des revendications 5 à 9, caractérisé en ce que des plaques de coupe (11, 11a, 11b) voisines les unes des autres dans la direction axiale sont, dans la direction de la circonférence, disposées de façon décalées.
  11. Dispositif selon l'une quelconque des revendications 5 à 10, caractérisé en ce qu'il existe plusieurs socles de coupe (10, 10') et que les plaques de coupe (11, 11a, 11b) de tous les socles de coupe (10, 10') couvrent dans la direction axiale un domaine d'enlèvement sans aucun vide.
  12. Dispositif selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'un module d'enlèvement (12) pour l'évacuation de matériaux libres est logé en amont pour le ou pour chaque socle de coupe (10, 10').
  13. Dispositif selon l'une quelconque des revendications 1 à 12, caractérisé en ce que dans la direction de la circonférence, il existe plusieurs groupes de disques de frappe (9) et plusieurs socles de coupe (10, 10').
  14. Dispositif selon la revendication 13, caractérisé en ce que dans la direction de la circonférence, dans une section axiale (14a, 14b), des groupes de disques de frappe (9) et de socles de coupe (10, 10') sont disposés en alternance.
  15. Dispositif selon la revendication 13, caractérisé en ce que dans la direction de la circonférence, dans une section axiale (14a, 14a1, 14a2, 14aN), ne sont disposés dans la direction de la circonférence soit exclusivement que des groupes de disques de frappe (9) ou des groupes de socles de coupe (10, 10'), et que dans une section axiale extérieure (14b), dans la direction de la circonférence, sont disposés en alternance des groupes de disques de frappe (9) et des groupes de socles de coupe (10, 10').
  16. Dispositif selon l'une quelconque des revendications 1 à 15, caractérisé en ce que le ou chaque groupe de disques de frappe (9) est, en position de travail, déplaçable dans la direction radiale de telle sorte que, principalement, le ou chaque socle de coupe (10, 10') est efficace pour l'enlèvement d'un composant ductile (33) d'un matériau de construction (32).
  17. Dispositif selon l'une quelconque des revendications 1 à 16, caractérisé en ce que le ou chaque socle de coupe (10) présente, dans la direction de la circonférence, des plaques de coupe (11) actives d'un seul côté.
  18. Dispositif selon l'une quelconque des revendications 1 à 17, caractérisé en ce que le ou chaque socle de coupe (10') présente dans la direction de la circonférence des premières plaques de coupe (11a) et des deuxièmes plaques de coupe (11b) actives des deux côtés.
  19. Dispositif selon la revendication 18, caractérisé en ce que le ou chaque socle de coupe (10') peut être dans la direction de la circonférence basculé autour d'un axe (45) entre deux positions de travail.
EP16754459.2A 2015-08-26 2016-08-09 Dispositif d'enlèvement de matériau de construction Active EP3341172B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015114122.1A DE102015114122B3 (de) 2015-08-26 2015-08-26 Vorrichtung zum Abtragen von Bauwerkstoff
PCT/EP2016/068941 WO2017032588A1 (fr) 2015-08-26 2016-08-09 Dispositif d'enlèvement de matériau de construction

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EP3341172A1 EP3341172A1 (fr) 2018-07-04
EP3341172B1 true EP3341172B1 (fr) 2019-08-28

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EP (1) EP3341172B1 (fr)
JP (1) JP6703096B2 (fr)
KR (1) KR102460489B1 (fr)
DE (1) DE102015114122B3 (fr)
ES (1) ES2754477T3 (fr)
WO (1) WO2017032588A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE202018104503U1 (de) 2018-08-06 2018-09-10 Herrenknecht Aktiengesellschaft Vorrichtung zum Abtragen von Bauwerkstoff

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1964746A (en) * 1932-06-09 1934-07-03 Francis P Sloan Floor roughing machine
US4188696A (en) * 1978-03-24 1980-02-19 Collins Robert C Abrading tool
JPH07299636A (ja) * 1994-04-28 1995-11-14 Kyocera Corp フライス工具用スローアウェイチップ
CH697895B1 (de) * 2001-06-16 2009-03-13 Air Tec Ag Frästrommel zu einer Bodenfräsmaschine.
WO2005091877A2 (fr) * 2004-03-04 2005-10-06 Ralph Neri Outil de coupe pour scarificateur
KR101276548B1 (ko) * 2005-03-03 2013-06-24 그롭-베르케 게엠베하 운트 코. 카게 적어도 하나의 작동 스핀들을 구비한 공작 기계
US7708038B1 (en) * 2006-11-27 2010-05-04 Stewart John S Substantially helical, stepped blade row cutterhead having removable blade units
KR100886211B1 (ko) * 2007-04-19 2009-03-02 주식회사 그린환경 해머를 이용한 건축 폐기물 분쇄장치
US8807884B2 (en) * 2009-12-18 2014-08-19 Kennametal Inc. Tool holder for multiple differently-shaped cutting inserts

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Publication number Publication date
EP3341172A1 (fr) 2018-07-04
WO2017032588A1 (fr) 2017-03-02
DE102015114122B3 (de) 2016-11-10
JP6703096B2 (ja) 2020-06-03
KR102460489B1 (ko) 2022-10-31
JP2018528097A (ja) 2018-09-27
KR20180044308A (ko) 2018-05-02
ES2754477T3 (es) 2020-04-17

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