EP3535102B1 - Outil et dispositif permettant d'enlever de la matière des surfaces - Google Patents

Outil et dispositif permettant d'enlever de la matière des surfaces Download PDF

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Publication number
EP3535102B1
EP3535102B1 EP17794710.8A EP17794710A EP3535102B1 EP 3535102 B1 EP3535102 B1 EP 3535102B1 EP 17794710 A EP17794710 A EP 17794710A EP 3535102 B1 EP3535102 B1 EP 3535102B1
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EP
European Patent Office
Prior art keywords
drive shaft
tool
recited
saw blades
base frame
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
EP17794710.8A
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German (de)
English (en)
Other versions
EP3535102A1 (fr
Inventor
Fabian BOERSCH
Kevin Dietz
Hartmut Feil
Johannes Greb
Fabian Hammer
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.)
EnBW Energie Baden Wuerttemberg AG
Original Assignee
EnBW Energie Baden Wuerttemberg AG
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.)
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Publication of EP3535102A1 publication Critical patent/EP3535102A1/fr
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Publication of EP3535102B1 publication Critical patent/EP3535102B1/fr
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Classifications

    • 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
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/048—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with a plurality of saw blades
    • 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
    • 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
    • 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
    • E01C23/09—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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/30—Details; Component parts; Accessories for mounting or securing saw blades or saw spindles
    • B27B5/34—Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance
    • 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
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/12—Saw-blades or saw-discs specially adapted for working stone
    • B28D1/121—Circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21D—NUCLEAR POWER PLANT
    • G21D1/00—Details of nuclear power plant
    • G21D1/003—Nuclear facilities decommissioning arrangements

Definitions

  • the present invention relates to a tool and a device for removing contaminated material from a wall.
  • Decontamination consists of removing the surfaces of the inner boundary surfaces (walls, floor and ceiling) to a depth of about 10 mm to 20 mm. Only the material removed in the process can possibly contain radioactive particles and must be disposed of separately.
  • the rest of the decontaminated building can either continue to be used or be demolished in a conventional manner like any other building.
  • a corner is the area where two walls meet or where the floor meets a wall or a wall meets the ceiling.
  • a circular saw head with two circular saw blades arranged at a distance from one another is known.
  • the Circular saw blades mounted on a support sleeve.
  • the support sleeve is pushed onto a saw shaft and fastened by means of a central nut.
  • the DE 10 2010 0389 503 contains only a few constructive details.
  • the DE 10 2014 210 947 B2 discloses a tool according to the preamble of claim 1.
  • the invention is based on the object of providing a tool and a device with the aid of which it is possible to remove the surface of a wall, floor or ceiling efficiently and quickly even in these corners.
  • the tool according to the invention is relatively easy to implement in terms of production technology.
  • the drive shaft is realized as a rotating part.
  • On the cylinder surface of this drive shaft one or more longitudinal grooves are made which interact with corresponding lugs on the inner bore of the spacer rings arranged between the saw blades in such a way that a non-rotatable and form-fitting connection is obtained.
  • the torques required for machining the surface can be easily and reliably transferred from the drive shaft the saw blades are transferred.
  • the axial distance between the saw blades can be adjusted using spacer rings.
  • the drive shaft comprises at least one longitudinal groove and a collar.
  • Spacer rings are arranged between the saw blades and the spacer rings and / or the saw blades have through openings.
  • the torque is transmitted via one or more lugs which are formed on a central opening in the spacer rings and are shaped to complement the longitudinal groove or grooves of the drive shaft (1).
  • the clamping screws interact with fastening means, in particular internal threads, on a collar of the drive shaft or on a clamping piece pushed onto the drive shaft.
  • fastening means in particular internal threads
  • the last saw blade is centered on one end face at the second end of the drive shaft and / or fastened in a rotationally fixed manner.
  • the last saw blade can then be fastened there with the help of screws that are screwed into threaded holes on the face at the second end of the drive shaft.
  • the saw blades can be clamped to the drive shaft via a central nut.
  • the last saw blade has a crank, that is, it has a pot-like contour in cross section. This makes it possible to push the last saw blade onto the drive shaft like the other saw blades. Because of the offset, the teeth of the last saw blade nevertheless protrude in the axial direction beyond the second end of the drive shaft. This embodiment is very easy to implement in terms of production technology.
  • the other saw blades of the tool according to the invention can also have an offset.
  • the saw teeth can be made from all suitable cutting materials.
  • the saw teeth can be made of hard metal (coated or uncoated).
  • diamond can be used as a cutting material.
  • a device for removing surfaces comprising a base frame, a linear guide and a slide, the slide being connected to the base frame via the linear guide and a tool for removing according to one of claims 1 to on the slide 5 is arranged.
  • this device With the help of this device, it is possible to first bring the driven tool into a working position so that the tool dips into the surface to be processed. The carriage on which the rotating tool is located is then moved parallel to the surface to be removed. This results in a strip-like removal of the surface in the area of the corner to be machined.
  • the device according to the invention is relatively simple in construction and very robust. It enables longer sections, for example with a length of 50 cm to 1.5 m, depending on the length of the linear guide, to be removed in one piece and thereby to remove the surface quickly and efficiently in the corners of contaminated rooms.
  • a linear drive is provided for moving the slide relative to the base frame.
  • All drives known from the field of construction machinery or machine tools can be used as linear drives.
  • hydraulic drives, pneumatic drives, electro-mechanical drives, such as a threaded spindle and an electric motor, can be used.
  • the second end of the tool protrudes laterally over a longitudinal side of the base frame.
  • the linear guide is arranged parallel to the long side of the base frame. This makes it possible to move the tool parallel to a long side of the base frame and thereby remove the surface in the corner of a room.
  • the saw blades of the tool protrude at least in one end position of the slide beyond one end of the base frame.
  • a mechanical interface is provided on the base frame.
  • This mechanical interface enables the device according to the invention to be attached, for example, to the arm of an excavator or other construction machine or a robot arm. With the aid of the excavator or robot arm, the device according to the invention is brought to the place of use and held there even while a surface is being processed.
  • the device according to the invention When the device according to the invention is used successively on the two surfaces that form a corner, it is possible to completely remove the surface in the corner. The same applies to the corners of the room where three surfaces (e.g. two walls and the ceiling) meet. This is not possible with the devices known from the prior art.
  • the base frame has several spacers. These spacers are used to bring the tool in a simple manner at a suitable distance from the surface to be processed.
  • the spacers work in a way, like feet with which the device is placed on the surface to be processed.
  • spacers have a spring-loaded pin or the like and that a spring travel of the pins is greater than the depth of immersion of the tool in the surface to be removed.
  • an (adjustable) length of the spacers is advantageously dimensioned in such a way that, when the pins rest on the surface to be removed in the spring-loaded state, the saw blades of the tool do not dip into the surface to be removed. This positions the tool at the point to be machined in the corner of a room. If the device is pressed closer to the surface to be machined with the help of an excavator arm or a robot arm while the tool is rotating against the spring force of the pins, the tool or the saw blades of the tool dips into the surface to be machined until the spacers "hard" rest on the surface to be processed. Then the saw blades of the tool have the desired immersion depth of, for example, 10 mm and the feed movement begins by actuating the linear drive of the device according to the invention.
  • This very simple arrangement makes it possible to position the device on the surface to be processed and that The saw blades of the tool can be dipped into the surface in a simple and uncomplicated manner.
  • the Figure 1 shows schematically an embodiment of a drive shaft 1 according to the invention in a side view and in a view from the front.
  • the drive shaft 1 has a first end 3.
  • the drive shaft 1 is rotatably mounted there (not shown).
  • the storage can for example take place via a bearing pin 5 which is connected to a slide of the device according to the invention via a bearing block (not shown).
  • bearing block (not shown).
  • Rolling bearings are usually arranged between the drive shaft 1 and the bearing block.
  • a shaft stub 6 via which the drive shaft 1 is driven.
  • This drive can, for example, via a flexible shaft (not shown), an electric motor Be a hydraulic motor or any other rotary drive known from the prior art.
  • FIG. 1 Several saw blades (not shown in FIG. 1) can be attached to the drive shaft 1, which can have a cylindrical outer contour Figure 1 ) be postponed.
  • the saw blades must be centered and it is necessary to establish a rotationally fixed connection between the saw blades (not shown) and the drive shaft 1.
  • a very simple and tried and tested embodiment of such a form-fitting, non-rotatable connection can be implemented in that one or two longitudinal grooves 7 are made in the drive shaft.
  • the longitudinal grooves 7 begin at a second end 9 of the drive shaft 1 and do not extend all the way to the first end 3 of the drive shaft 1.
  • the longitudinal grooves 7 are seen from the front in the left part of FIG Figure 1 clearly visible.
  • An outer diameter of the drive shaft 1 has the reference symbol 13.
  • An optional square 11 and a collar 17 are arranged between the bearing pin 5 and the (cylindrical) section 13.
  • a clamping piece that is pushed over the stub shaft 6, the bearing pin 5 and the square 11 against the collar 17.
  • There are threaded holes in the clamping piece the hole pattern of which corresponds to the hole pattern of the saw blades 19, 25 and the spacer rings 33. Details on the clamping piece are in the Figure 13 and their description is disclosed.
  • the saw blade 19 has a central opening 21, the shape and dimensions of which are matched to the outer diameter 13 of the drive shaft 1 so that several saw blades 19 can be pushed onto the drive shaft 1.
  • the saw blade 19 is commercially available and available on the market.
  • a spacer ring 33 is shown. Like the saw blades 19, it has a central opening 21, the shape and dimensions of which are matched to the outer diameter 13 of the drive shaft 1. Lugs 23 are formed on the opening 21 of the spacer rings 33, which cooperate positively with the grooves 7 of the drive shaft 1.
  • the saw blades 25 and the spacer rings 33 have several through openings 29, so that tensioning screws can be inserted through the through openings 29 of the saw blades 25 and the spacer rings 33.
  • the outside diameter of the last saw blade 25 is generally the same size as the outside diameter of the other saw blades 19.
  • the last saw blade 25 has a shoulder 27 in the center.
  • the central opening 21 and the through openings 29 are located within the shoulder 27.
  • the at least one optional nose 23 of the saw blade 25 correspond to the noses 23 of the spacer rings 33. They engage in the at least one longitudinal groove 7 of the drive shaft and thus establish a rotationally fixed connection between the saw blade 25 and drive shaft 1.
  • the through openings 29 of the last saw blade 25 are provided with countersinks 28 which receive a screw head of the clamping screws, not shown. As a result, the screw heads do not protrude beyond the last saw blade 25 in the axial direction.
  • spacer rings 33 are arranged between the saw blades 19 and 25. These spacer rings 33 serve to set the desired distance in the axial direction between the saw blades 19 from one another or between the last saw blade 25 and the neighboring saw blade 19. By using spacer rings 33 of different thicknesses, the number of saw blades 25 and thus also the required contact force when removing the surface can be adjusted.
  • the axially spaced saw blades 25 plunge into the surface to be removed, webs remain, the width of which corresponds approximately to the thickness of the spacer rings 33. You can also adjust the width of the webs via the thickness of the spacer rings 33. As the width of the webs increases, they become more stable and it becomes more difficult to remove them from the ground. The webs should break and fall off the wall at the same time as they are processed by the device according to the invention.
  • the width of the webs is chosen to be as large as possible in order to minimize the contact pressure and the cutting volume. However, you have to make sure that the bars do not become too wide.
  • spacer rings 33 to choose from, which can be used as required. The optimal distances between the saw blades 25 can be determined by experiments on the surface to be removed.
  • the teeth of the last saw blade 25 protrude farthest beyond the drive shaft 1 in the axial direction.
  • the teeth of the last saw blade 25 are those components / elements of the tool according to the invention that are shown in FIG Figure 5 extend furthest to the right. No part of the drive shaft 1, the saw blade 25 or the screws 31 protrudes further to the right in the Figure 5 than the saw teeth arranged on the outer diameter of the last saw blade 25.
  • a bearing block 71 is shown on the left end of the drive shaft, which comprises a section 73 with a hexagonal outer contour and a threaded section 77.
  • a locknut 75 is screwed onto the threaded section 77.
  • the bearing block 71 can be fastened with a suitable receptacle to a device 37 according to the invention for removing surfaces.
  • a device 37 according to the invention for removing contaminated surfaces is shown isometrically.
  • the tool according to the invention, as exemplified in the Figures 1 to 5 has the reference numeral 35 in its entirety.
  • the device 37 according to the invention can be divided into the following assemblies: a base frame 39, a slide 41, a linear guide 43 and a linear drive 45.
  • a connection for a dust extraction was provided provided with the reference number 47.
  • the dust extraction encloses the tool 35 as much as possible. Therefore, it completely or partially covers the tool 35 in some views.
  • the tool 35 according to the invention is rotatably mounted on the slide 41.
  • the bearing block 71 is used for this purpose.
  • In the slide 41 there are several hexagonal openings 79, which interact with the section 73 with a hexagonal outer contour of the bearing block 71.
  • the slide 41 can carry a (drive) motor which sets the drive shaft 1 of the tool 35 in rotation, directly or indirectly.
  • the tool 35 is driven via a flexible shaft (not shown).
  • the drive can be an electric motor, a hydraulic motor, a pneumatic drive or another drive from the prior art.
  • the linear drive 45 can be designed as a hydraulic double-acting cylinder, as a double-acting pneumatic cylinder or as an electromechanical linear drive.
  • the spacers 49 Arranged in the base frame 39 are three spacers 49 which can have a spring-loaded (spring) element 51 at their end facing away from the base frame 49.
  • the spring-loaded spring element 51 can be a metal pin which is guided in the spacer 49 and can be pressed into the interior of the spacer 49 against the force of a compression spring (not visible) arranged in the spacer 49.
  • the spacers 49 can also be designed without a spring element.
  • a stop of the spacers 49 is designated by 54.
  • the stop 54 determines the depth of immersion of the tool 35 in the surface to be removed.
  • the spacers 49 are preferably screwed to the base frame 39 or inserted into the base frame 39. Thereby it is possible to adjust the height of the spacers 49 simply by turning the nuts 53 with which the spacers 49 are attached to the base frame 39. From the in the Figure 6 each rear nut 53 is in the isometric view Figure 6 little to see.
  • the spacers 49 with their stops 54 protrude beyond the outer diameter of the saw blades 19 and the last saw blade 25.
  • a line connecting the stops 54 is illustrated. If the device 37 with the stops 51 is placed on a surface to be removed, which is represented by the aforementioned connecting line, then the saw blades 19, 25 plunge into the surface.
  • the saw blades 19, 25 dip into the surface 55 to be removed because the stops 54 are positioned so that the saw blades 19 and 25 protrude beyond them.
  • This two-stage insertion enables the device according to the invention to be positioned at the desired location in the first step. Then the tool 35 is set in rotation and in a further step the device 37 with the hard ends 54 of the spacer 49 is placed on the surface 55 to be machined. Adjusting the length of the spacers 49 by adjusting the nuts 53 is very easy. This sets the depth of immersion of the saw blades 19 and 25.
  • a drive 85 with a first pinion and a second pinion 87 spaced therefrom can be seen.
  • a chain connecting the first and second sprockets 87 is not shown.
  • the second pinion 87 drives a threaded spindle which, in this embodiment, forms the linear drive 45 for the slide 43.
  • the drive 85 and the second pinion 87 are covered by a cover.
  • FIG. 8 shows a side view of the device 37 according to the invention.
  • the drive 85 can be clearly seen. From this side view it is further clear that the spacers 49 with the optional spring elements 51 and the stops 54 facilitate the positioning and immersion of the saw blades 19 and 25 in the surface 55 to be processed.
  • the carriage 41 and with it the tool 35 is located approximately in the middle of the travel path.
  • a first end position is in Figure 8 at the lower end of the base 39.
  • the saw blades 19, 25 protrude beyond the base frame 39.
  • the contour of the saw blades 19, 25 is indicated by a dashed line.
  • a mechanical interface 57 is provided on the (rear) side of the base frame 39 opposite the tool 35. With the help of this mechanical interface (57) it is possible to attach the device 37 according to the invention, for example, to an excavator arm or a robot arm and then to move the device 37 to the desired location with the aid of this excavator arm or robot arm move and hold there during the machining of the surfaces 55. By using an excavator or a robot arm, their functions can be used to remove the surface 55 and the device 37 according to the invention can be kept structurally simple.
  • the interface 57 is particularly preferably designed such that the device 37 can be attached to the interface 57 in a rotatable (and lockable) manner through 360 °. The working or advancing direction of the device 37 can then be set in the simplest manner.
  • the Figure 9 shows a device 37 according to the invention in a view from the front.
  • the drive shaft 11 of the tool with the various saw blades 19 and 25 can be clearly seen.
  • No spacer is provided at the top left corner of the device so that the tool 35 can be moved beyond an end face 59 of the base frame 39.
  • the spacers 49 can be inserted into the base frame 39 or, for example, fastened to the base frame 39 with nuts 53, so that they are always attached or can be attached as required.
  • the Figure 10 shows the device according to the invention in a view from the rear without a mechanical interface. Only four fastening bores 81 and a central opening 83 can be seen. Supply lines are passed through the opening 83. A mechanical interface is screwed tight to the fastening bores 81.
  • all interfaces known from the field of construction machinery can be used as the mechanical interface. It is particularly preferred if such an interface enables the device 37 to be rotated by up to 360 °.
  • the device according to the invention will often be attached to the arm of an excavator.
  • the mechanical interfaces established for excavators are used for this purpose.
  • a working area of the tool (35) is indicated by dash-dotted lines 65.
  • the direction of advance of the slide 41 relative to the base frame 39 is indicated by a double arrow 67.
  • Figure 12 shows a side view from the left.
  • a clamping piece 30 is shown. It has a central opening 89 which, in terms of shape and dimensions, is matched to the optional square 11 of the drive shaft 1 in the illustrated embodiment.
  • the opening 89 is designed as a square opening.
  • a recess 91 is formed concentrically to the opening 89, the shape and dimensions of which is matched to the collar 17 of the drive shaft 1 in the illustrated embodiment. This means that the clamping piece in the Figure 5 is pushed from the left onto the drive shaft 1 and the collar 17 forms an axial stop for the clamping piece 30.
  • Internal threads 93 are formed in the clamping piece 30, the position of which corresponds to the position of the through openings 29 of the saw blades 25 and the spacer rings 33.
  • the in Fig. 5 indicated clamping screws 31 are inserted through the saw blade 25 as well as the saw blades 19 and the spacer rings 33 and screwed into the internal thread 93 of the clamping piece 30.
  • clamping piece 30 and drive shaft 1 are made in one piece. This means that the collar 17 has a larger diameter than in Figure 1 and the function of the clamping piece takes over. The internal threads 93 are then located in the collar 17.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sawing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (14)

  1. Outil pour enlever de la matière à partir de surfaces comprenant un arbre d'entraînement (1), dans lequel l'arbre d'entraînement (1) est monté de manière rotative au niveau d'une première extrémité (3), dans lequel plusieurs lames de scie circulaire (19, 25) sont agencées sur l'arbre d'entraînement (1), caractérisé en ce que les dents de scie d'une dernière lame de scie (25), qui est agencée au niveau d'une seconde extrémité (9) de l'arbre d'entraînement (1) opposée à la première extrémité (3), fait saillie dans une direction axiale au-delà de la seconde extrémité de l'arbre d'entraînement (1), dans lequel les lames de scie (19, 25) sont reliées à l'arbre d'entraînement (1) solidairement en rotation, dans lequel l'arbre d'entraînement (1) présente au moins une rainure longitudinale (7) et un collier (17), dans lequel des bagues d'espacement (33) sont agencées entre les lames de scie (25) et les bagues d'espacement (33) et/ou les lames de scie (25, 19) présentent des ouvertures traversantes (29) et une ouverture centrale (21), en ce que les bagues d'espacement (33) et les lames de scie (25, 19) présentent des ouvertures centrales (21), en ce qu'un ou plusieurs ergots (23) sont formés au niveau des ouvertures (21) des bagues d'espacement (33), et en ce que ces ergots (23) ont une forme complémentaire à la ou aux rainures longitudinales (7) de l'arbre d'entraînement (1).
  2. Outil selon la revendication 1, caractérisé en ce qu'un collier (17) de l'arbre d'entraînement (1) ou une pièce de serrage (30) enfilée sur l'arbre d'entraînement (1) présente des moyens de fixation, en particulier un filetage intérieur (93), en ce que les moyens de fixation coopèrent avec des vis de serrage (31) par l'intermédiaire desquelles les lames de scie (19, 25) et les bagues d'espacement (33) sont fixées dans une direction sur l'arbre d'entraînement (1) et sont connectées solidairement en rotation à l'arbre d'entraînement (1).
  3. Outil selon l'une des revendications précédentes, caractérisé en ce que la dernière lame de scie (25) est centrée et/ou est fixée solidaire en rotation par rapport à une face frontale (15) au niveau de la seconde extrémité (9) de l'arbre d'entraînement (1).
  4. Outil selon la revendication 3, caractérisé en ce que la dernière lame de scie (25) est fixée à l'aide d'une vis (31) ou d'un écrou sur la face frontale (15) au niveau de la seconde extrémité (9) de l'arbre d'entraînement (1).
  5. Outil selon l'une des revendications précédentes, caractérisé en ce qu'au moins la dernière lame de scie (25) présente un coude.
  6. Dispositif pour enlever de la matière à partir de surfaces comprenant un châssis de base (39), un guide linéaire (43) et un coulisseau (41), dans lequel le coulisseau (41) est couplé au châssis de base (39) par l'intermédiaire du guide linéaire (43), caractérisé en ce qu'un outil (35) pour enlever de la matière selon l'une quelconque des revendications précédentes est agencé au niveau du coulisseau (41) et le châssis de base (39) présente une pluralité d'entretoises (49) avec une butée (54).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un bloc de palier (71) est fourni au niveau du coulisseau (41) pour l'outil (35).
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce qu'un entraînement linéaire (45) est prévu pour déplacer le coulisseau (41) par rapport au châssis de base (39).
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que l'outil (35), avec sa seconde extrémité (9), fait saillie latéralement sur un côté longitudinal (61) du châssis de base (39).
  10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce que les lames de scie (19) de l'outil (35) font saillie au moins dans une position d'extrémité du coulisseau (41) au-delà d'une face frontale (59) du châssis de base (39).
  11. Dispositif selon l'une des revendications 6 à 10, caractérisé en ce que le châssis de base (39) présente une interface mécanique (57).
  12. Dispositif selon la revendication 11, caractérisé en ce que l'interface mécanique (57) coopère avec une interface mécanique sur un engin de chantier, de préférence une excavatrice, ou sur un robot.
  13. Dispositif selon l'une des revendications 6 à 12, caractérisé en ce que les entretoises (49) comportent chacune un élément élastique (51), et en ce qu'une course élastique des éléments élastique(51) est supérieure à la profondeur de pénétration de l'outil (35) dans la surface (55) à partir de laquelle de la matière doit être enlevée.
  14. Dispositif selon la revendication 13, caractérisé en ce qu'une longueur des entretoises (49) est dimensionnée de telle sorte que lorsque les éléments élastiques (51) reposent sur la surface (55) à partir de laquelle de la matière doit être enlevée à l'état déployé, les lames de scie (19, 25) de l'outil (35) ne vont pas pénétrer dans la surface (55) à partir de laquelle de la matière doit être enlevée.
EP17794710.8A 2016-11-02 2017-11-02 Outil et dispositif permettant d'enlever de la matière des surfaces Active EP3535102B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016120852.3A DE102016120852A1 (de) 2016-11-02 2016-11-02 Werkzeug und Vorrichtung zum Abtragen von Oberflächen
PCT/EP2017/078077 WO2018083184A1 (fr) 2016-11-02 2017-11-02 Outil et dispositif permettant d'enlever de la matière de surfaces

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EP3535102A1 EP3535102A1 (fr) 2019-09-11
EP3535102B1 true EP3535102B1 (fr) 2020-12-23

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EP17794710.8A Active EP3535102B1 (fr) 2016-11-02 2017-11-02 Outil et dispositif permettant d'enlever de la matière des surfaces

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US (1) US11628595B2 (fr)
EP (1) EP3535102B1 (fr)
CA (1) CA3041414A1 (fr)
DE (1) DE102016120852A1 (fr)
ES (1) ES2863503T3 (fr)
WO (1) WO2018083184A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201918542D0 (en) * 2019-12-16 2020-01-29 Diona Construction Ltd Method and apparatus for forming a trench for cable installation

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE3121130C2 (de) * 1981-05-27 1983-09-29 Gebrüder Linck Maschinenfabrik und Eisengießerei "Gatterlinck", 7602 Oberkirch Kreissägekopf zum Absägen von Seitenbrettern
US4664447A (en) * 1986-02-03 1987-05-12 Clark Harry I Apparatus for removing roofing material
US4870946A (en) * 1987-05-07 1989-10-03 Longco, Inc. Fluid-cooled apparatus for cutting concrete material and the like
US5305729A (en) * 1992-02-14 1994-04-26 Chiuminatta Edward R Method and apparatus for cutting wet concrete
JPH10280315A (ja) * 1997-03-31 1998-10-20 Nippon Fureki Sangyo Kk 乾式の路面加工装置
DE19837288A1 (de) * 1998-08-18 2000-02-24 Rsb Betontrenntechnik Gmbh Fräsvorrichtung zum Bearbeiten von Betonflächen und Fräsverfahren hierzu
DE102010038503A1 (de) * 2010-07-28 2012-02-02 Robert Bosch Gmbh Werkzeugmaschine
DE202012002545U1 (de) * 2012-03-14 2012-07-12 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Schneidwerkzeug
DE102014210947B3 (de) 2014-06-06 2015-07-16 EnBW Energie Baden-Württemberg AG Vorrichtung und Verfahren zum Abtragen von kontaminiertem Material
DE102016117163A1 (de) 2016-09-13 2018-03-15 EnBW Energie Baden-Württemberg AG Fahrzeug für eine Vorrichtung zum Abtragen kontaminierter Flächen und Verfahren zum Abtragen kontaminierter Flächen

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Also Published As

Publication number Publication date
WO2018083184A1 (fr) 2018-05-11
ES2863503T3 (es) 2021-10-11
US20200130230A1 (en) 2020-04-30
DE102016120852A1 (de) 2018-05-03
EP3535102A1 (fr) 2019-09-11
US11628595B2 (en) 2023-04-18
CA3041414A1 (fr) 2018-05-11

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