EP1841949A1 - Dispositif de fraisage de pierres et d'autres materiaux et procede de fraisage de pierres et similaires faisant intervenir ledit dispositif - Google Patents
Dispositif de fraisage de pierres et d'autres materiaux et procede de fraisage de pierres et similaires faisant intervenir ledit dispositifInfo
- Publication number
- EP1841949A1 EP1841949A1 EP06706429A EP06706429A EP1841949A1 EP 1841949 A1 EP1841949 A1 EP 1841949A1 EP 06706429 A EP06706429 A EP 06706429A EP 06706429 A EP06706429 A EP 06706429A EP 1841949 A1 EP1841949 A1 EP 1841949A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- tool
- spindle
- tool spindles
- tools
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 73
- 238000003801 milling Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 17
- 238000003754 machining Methods 0.000 claims abstract description 44
- 238000003860 storage Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000005065 mining Methods 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 101100383903 Mus musculus Cisd3 gene Proteins 0.000 description 1
- 101100064676 Mus musculus Edem1 gene Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
Definitions
- the invention relates to a device for the milling of particular rock or other materials, with a rotatably mounted on a drum carrier about a drum axis Spotnmel in which a plurality of tool spindles are eccentrically mounted to the drum axis rotatably driven about spindle axes and at their projecting from the spindle drum Ends machine tools.
- the invention is further directed to a method for milling rock or the like. directed using such a device.
- Each machining tool is in full section over half a turn, ie 180 °, in engagement with the material to be machined, with the result that especially in harder materials, the carbide tips of the tools are heated to very high temperatures and wear out quickly.
- a further disadvantage of the known machines is that the total contact pressure with which the drum is set against the rock is distributed over a large number of individual tools, so that only a comparatively small pressure force is exerted on each individual chisel in use Available . If, for example, the total pressure of the drum against the rock is approx. 2,000 N and for a full cut is always approx. 20 single tools are in use, is available for each individual on average only 100 N pressing force.
- a drill head for drilling in rock which has a tool carrier with drilling tools, which is mounted on a central shaft which is coupled with a running between the borehole and drill head drill pipe.
- the drilling tools on the tool carrier are rotatably driven by a planetary gear.
- the object of the invention is to provide a device for the milling machining of rock or other materials of the type mentioned, which is able to process even very hard materials with a high milling performance, compared to conventionally driven tools that of reduced pressure forces applied to the spindle drum and the service life of the tools are extended.
- the device according to the invention should in particular have a high level of operational reliability, build compact and offer the possibility of processing tools of different types such.
- At least two of the tool spindles can be driven by a common gear drive, the output sprockets fixedly arranged on the tool spindles and a common drive element, in particular a drive gear or a drive chain, a drive toothed belt or the like.
- a particularly compact arrangement of a device in which the at least two tool spindles with the tools located thereon can be synchronously driven outside the central axis of the spindle drum the processing tools arranged on the tool spindles are easily adjusted such that even in the case of a profile cut with engagement of 180 °, in each case only one processing tool or only a few tools are engaged at the same time, so that the entire available pressure force of the spindle drum can be used by only one or a few tools in each case, that is, the single tool currently in engagement in the rock has a very high release force.
- the spindle drum has a rotary drive which is decoupled from the gear drive. In this embodiment, therefore, the spindle drum is rotated by a rotary drive and the tool spindles experience their drive independent of the rotational speed of the spindle drum. In this embodiment, it is even conceivable to set the spindle drum j ed alongside temporarily completely when axial retraction of the device into the rock and merely by rotating the tool spindles to drill a bit into the rock and then drive the drive for the spindle drum only.
- the spindle drum and at least a part of the tool spindles have a have common rotary drive, so that by a rotation of the spindle drum automatically mitbeaufschlagten by the common rotary tool spindles are set in rotation.
- the drive element formed by a drive gear is arranged rotatably relative to the drum carrier, in particular fixedly connected to the drum carrier.
- the fixed to the tool spindles driven gears then mesh with the drive carrier rotatably mounted on the drive gear, whereby the tool spindles are set in rotation when the spindle drum, in which the tool spindles are accommodated, is rotated by the rotary drive.
- the tool spindles are rotatably received in bearing bushes by means of bearings and suitably sealed by shaft seals. It is particularly advantageous in such an arrangement when the bearing bushes with the tool spindles rotatably mounted therein are inserted and locked in cartridge-like exchangeable manner in drum chambers provided on the spindle drum.
- the tool spindles can then be assembled with their bearings and if necessary. Seals are replaced by simple replacement of the bearing bushes, for example, if they are worn or if tool spindles are to be used for other machining tools.
- the tool spindles in the bearing bushes are preassembled, so that removal and installation of these assemblies in the spindle drum takes only a very short time.
- all tool spindles can be driven via the common drive gear of the gear drive.
- a first group of tool spindles via a first common drive gear and a second group of tool spindles via a second common drive gear can be driven, for example, when a first group of tool spindles on a larger diameter pitch circle and a second group of Tool spindles on a pitch circle of smaller diameter Sers are arranged on the spindle drum.
- the gear ratios between the tool spindles of the first group and the first drive gear and the tool spindles of the second group and the second drive gear and / or the directions of rotation of the tool spindles of the first and second group may then be different.
- the tool spindles of the first group and those of the second group can be arranged at different radial distances from the drum axis in the spindle drum, ie lie on two different pitch circles.
- the tool spindles are distributed uniformly over the circumference in the spindle drum.
- the machining tool (s) arranged on a tool spindle it is possible for the machining tool (s) arranged on a tool spindle to be angularly displaced relative to the arrangement of the machining tool (s) of a tool spindle in front or behind it in the circumferential direction of the drum staggered is / are.
- the processing tools can be arranged in phase offset from each other in the circumferential direction of the spindle drum tool spindles.
- This embodiment makes it possible to ensure in a particularly advantageous manner when carrying out the method according to the invention for milling rock that a tool arranged on a tool spindle at another point engages with the rock to be processed as a single tool one in the direction of rotation of the spindle drum in front of it lying tool spindle. Due to the phase-shifted arrangement of the tools, it is thus ensured that the points of impact of the individual tools or cutting edges of the various tool spindles do not coincide, but a subsequent tool processes the rock at a location which still leaves the tools of a tool spindle previously moved by the rock , As a result, a particularly effective processing of the rock or the like. reached .
- the processing tools are preferably arranged to be adjustable on the tool spindles, d. H . they can NEN be set in their angular position relative to the tool spindles.
- the processing tools can be one or more machining tools or. Have individual tools on each tool spindle. At least a portion of the individual tools can consist of round shank bits in a particularly advantageous embodiment of the invention, and in some applications, flat chisel tools or chisels have also proven themselves, in particular chisels configured on one side. For many machining purposes, it has proved to be advantageous if the machining tools protrude radially beyond the outer circumference of the spindle drum with at most 50% of the peripheral-side machining surfaces, that is, at most half of the individual machining tools of a tool spindle simultaneously engage with rock or the like. are located .
- the spindle drum may be provided with a preferably centrally arranged dust extraction opening, through which passes during milling of the stone or the like. accumulating fine dust can be deducted. It is also advantageous if the device is provided with at least one spraying device for the processing tools, with which on the one hand the accumulated dust bound by sprayed water to the processing site and on the other - can be provided for cooling the processing tools.
- the spraying device is preferably arranged on the spindle drum and / or on the drum carrier.
- the machining tools of one or more of the tool spindles consist essentially of a bit carrier and a plurality of round shank bits, flat chisels and / or chisel bits arranged thereon, the arrangement being such that the chisel tools arranged on the bit carrier support the rock or other j each processed material one or more layers undercutting editing.
- the arrangement is preferably made such that a multi-layered tool moves in the direction of the workpiece to be processed. Stone preferably tapered stepwise.
- the machining tools may also consist essentially of milling drums arranged on one or more tool spindles. These milling drums can be cylindrical or conically taper or widen towards the machined rock.
- the drive element consists of an externally toothed drive gear, which is connected to the drum carrier, the direction of rotation of the tool spindles is the same as that of the spindle drum. If the drive element consists of an internally toothed drive gear, the tool spindles driven by such a drive toothed ring rotate in opposite directions to the direction of rotation of the spindle drum.
- the spindle drum has a coaxial with the drum axis receiving bore for a • drive shaft rotatably mounted in the receiving bore and with the drive element for the Tool spindle is coupled.
- pie drive shaft is therefore mounted concentrically rotatably in the spindle drum, which not only very compact builds, but also ensures a high stability of the construction.
- the spindle drum can have a closed housing with an approximately cup-shaped drum base body and a housing cover, wherein the drive element, ie in particular the drive gearwheel, is received in the interior of the drum base body and connected to the drive shaft and covered by the housing cover.
- the gear drive for the tool spindles is preferably encapsulated in the spindle drum.
- the machining tools can be mounted on the spindle drum in a flying manner with their respective tool spindles and protrude beyond the spindle drum on the front side and / or peripherally.
- the spindle drum in addition to distributed over its circumference arranged tool spindles is provided with milling tools with a arranged inside of the pitch circle described by the tool spindles ⁇ core router, which is preferably arranged with low eccentricity to the drum axis.
- the driveable core milling cutter With the aid of the driveable core milling cutter, it is possible to ensure that the entire rock which is present in front of the end face of the spindle drum is milled into it during the axial retraction of the device.
- the machining tools with their respective tool spindles are mounted on the spindle drum, preferably by means of a two-point mounting.
- a fixed-lot storage can be provided, alternatively, an employed storage, in particular in X-arrangement can be used, for example by means of tapered roller bearings or the like.
- the spindle drum has an approximately plate-like bearing flange in the vicinity of the drum carrier for receiving the first bearings of the tool spindles and a support pin projecting concentrically with the drum axis , on which at least one support element for receiving the second bearings of the tool spindles is arranged.
- the areas of the processing tools which process the rock are then located between the two bearings, thus achieving a particularly stable support.
- the support member or the support pin has a concentric with the spindle drum axis arranged bearing pin for the additional support of the spindle drum.
- the support member may consist of a arranged on the end face of the support pin cover flange, which is provided with bearing mounts for the second storage.
- the processing tools are then frontally covered by the cover flange and edit the rock only with individual tools, which are arranged at its periphery and which protrude radially between the plate-like bearing flange and the cover flange of the spindle drum from this.
- At least two support elements are provided, which are arranged at different distances from the bearing flange and in each case receive the second bearings of different tool spindles.
- the second bearings of the tool spindles are located at a distance from the front end (free) end of the processing tools, which can then be with their front sides in engagement with the rock.
- the drive element is connected to the drum carrier via an overload clutch, which may be, for example, a spring-loaded slip clutch.
- an overload clutch which may be, for example, a spring-loaded slip clutch.
- the spring load acting on the clutch is preferably adjustable, whereby the response value at which the clutch triggers and the drive element slips on the drum carrier, can be adjusted.
- the spindle drum may be provided on its rear side facing away from the machining tools with a removable, sealed to the drum carrier by means of a shaft seal cap that provides access to the underlying gear drive and other parts that need to be occasionally serviced or inspected.
- each bear processing tool a plurality of evenly distributed over the finest possible locking positions of the locking coupling is mounted using a locking coupling on the associated tool spindle, wherein the number of possible locking positions of the locking coupling is adapted to the number of the machining tool that they latched in j eder Position in the same relative position to the tool spindle are.
- the detent coupling then responds when the machining tool is blocked by the rock in which it engages, so that the associated tool spindle, which carries this tool, can continue to rotate until the next detent position, in which the machining tool then engages again and on turns.
- the machining tool engages in such a position again, in which its relative position to the machining tools of adjacent tool spindles remains the same, ie. the originally set phase shift or the offset of the machining tools of successive tool spindles is maintained after the response of the detent coupling and the detent engagement of the tool.
- the inventive device and thus feasible method are particularly suitable for the mining of mineral extraction products such.
- B. Coal, ore or the like The device can be used for this purpose as a replacement for a known Schrämkopf a Walzenschrämmaschine or as a cutting head of a partial or full cutting machine.
- the device and the method can also be used advantageously for the processing of concrete or asphalted surfaces or structures, for example, when milling asphalted or concrete road surfaces, demolition of concrete structures or the like.
- Like .. Further features or advantages of the invention will become apparent from the following description and the drawings, wherein preferred embodiments of the invention are explained in more detail by way of examples. It shows :
- Fig. 1 shows a first embodiment of a device according to the invention in section (Fig. Ia) and a plan view of the spindle drum;
- Fig. 2 shows a second embodiment of the invention
- Fig. 3 shows a third embodiment of the invention
- FIGS. 1 and 2 corresponding representation
- Fig. 4 shows a fourth embodiment of the invention
- Fig. 5 shows a device according to the invention when carrying out the method according to the invention in engagement with the rock in a view of the spindle drum and partly in section;
- FIG. 6 shows a fifth embodiment of the device according to the invention in section
- FIG. 7 shows a sixth embodiment of the A device according to the invention, also in section;
- FIG. 8 shows a seventh embodiment of the device according to the invention.
- FIG. 11 shows a tenth embodiment of the device according to the invention in section
- Fig. 12 shows an eleventh embodiment of the invention
- Fig. 13 shows a twelfth embodiment of the invention
- Fig. 14 shows a thirteenth embodiment of the invention.
- various embodiments of a device according to the invention which is designated in its entirety by 10, are used for the milling of stone, for example, mineral extraction products such as coal or ore, or for the processing of concrete, asphalt or other building materials, for example when milling road surfaces or the like.
- mineral extraction products such as coal or ore
- processing of concrete, asphalt or other building materials for example when milling road surfaces or the like.
- the device 10 comprises a drum carrier 11 for mounting on a machine body (not shown) suitable therefor, for example a cantilever arm of a mining machine or a road milling machine.
- the drum carrier 11 has a central La geraufnähme 12, in which a spindle drum 13 is rotatably mounted with its bearing pin 14 by means of two employed in O arrangement tapered roller bearing 15. With its rear end 16 of the bearing pin 14 protrudes from the rear of the bearing holder 12 of the drum support 11 and carries there a drive wheel 17 which is coupled to rotate the spindle drum in a manner not shown with a rotary drive.
- the drive wheel 17 opposite end of the bearing pin 14 is in a circular plate-like bearing flange 18 of the spindle drum, in the vicinity of its outer circumference several, in the embodiment six evenly distributed on a pitch circle 19 arranged Trommelkammern 20.
- the drum chambers 20 each receive a bearing bushing 21 with a rotatably mounted tool spindle 22 therein, wherein the bearing bushes with the tool spindles mounted therein are exchangeable cartridge-like used in their respective drum chamber 20 and locked by means of fastening screws 23 in the inserted state.
- mounting holes 28 for fastening screws are provided on the drum carrier 11, which are inserted into the mounting holes through access holes 29 provided in the bearing flange 18 of the spindle drum 13 and by means of a suitable tool such as a hexagon wrench in aligned with the mounting holes 28 threaded holes on the machine frame are screwed.
- a suitable tool such as a hexagon wrench
- Fig. IA is also clearly visible that the bearing flange 18 of the spindle drum 13 is provided on its rear side with a housing cover 30 which is screwed to the bearing flange 18 and forms together with this a closed housing 31 for the threaded drive 24, 25 of the tool spindles.
- the housing cover 30 is provided at its radially inner edge with a seal 32, with which the seal against the drum carrier 11 takes place.
- the spindle current mel 13 to a rotary drive, which is decoupled from the gear drive of the tool spindles.
- the spindle drum 13 has a coaxial with the drum axis 34 extending receiving bore 35 for a drive shaft 36 which is rotatably mounted with two Zyl ⁇ nderrollenlagern 37 in the receiving bore.
- the front bearing flange 18 of the spindle drum forms a closed housing 31 with an approximately pot-shaped drum base 38 and a housing cover 30, and the drive gear 25 of the gear drive for the tool spindles is rotatably mounted on the drive shaft 36 and housed in the housing 31 between the drum body 38 and housing cover 30. There it meshes with the output gears 24 of the tool spindles 22.
- this is provided with a spur gear 39, which is coupled to a spindle drive motor (not shown) to rotate the drive shaft 36 and thus mounted thereon drive gear 25 inside the spindle drum and thereby cause the rotation of the tool spindles, wherein the speed of the tool spindles can be adjusted independently of the speed of the spindle drum.
- the tool spindles are not received in bearing bushes and cartridge-like inserted into drum chambers on the spindle drum, but the individual shafts are mounted directly in the spindle drum, wherein the rear of each two tapered roller bearings in the drum base and the front, pointing to the machining side bearing in the housing cover 30 is.
- the sealing of the spindle drum relative to the drum carrier 11 takes place in this embodiment with a shaft sealing ring 40, which is arranged in the transition region of the bearing flange 18 to the bearing pin 14.
- processing tools 41 come in the embodiment of FIG. 2 chisel rings 42, each with six mounted on it eznwerkeltechnik-.eu 43 in the form of striking chisels for use, the arrangement is such that the defined by the hammering tips 44 of the individual tools 43 effect 45 of the machining tool in a relatively small segment over the outer circumference 46 of the spindle drum protrudes, so that in the embodiment shown no more than two individual tools 43 protrude radially over the outer circumference 46 of the spindle drum at the same time.
- the circle 4 circumscribing the individual spheres of action 45 of the six processing tools 41 defines the milling diameter of the device in the rock, ie the area in which the processing tools with their individual tools machine the rock.
- Fig. 3 shows the device according to FIG. 2, as it is provided with processing tools 41 in the form of conical, two-stage chisel cutters 48, which have six individual tools 43 on axially successively arranged fastening circles of different diameters.
- the chisel cutters mill during operation of the device in two stages through the rock 49, wherein the radially outer processing tools in the rock 49 in a lying closer to the device first effect 46a turn and the radially inner tools in a deeper in the rock forming second sphere 46b.
- the machining tools are end mills 50 which have a carrier shaft 51 fixedly connected to the respective tool spindle 22, on the circumference of which individual tools 43 are arranged, which can consist, for example, of round shank bits received in suitable tool holders.
- the individual tools are arranged distributed in a spiral over the length of the support shaft 51, wherein the arrangement can also take place in several spirals.
- FIG. 5 shows in a particularly illustrative manner the preferred mode of action achievable with the device according to the invention.
- the spindle drum at a first rotational speed in the direction of arrow A rotates, for example, 50 U / min.
- the individual tool spindles rotate in synchronism with a rotational speed corresponding to the selected reduction ratio, in the embodiments of the device according to FIGS. 1, 3 and 4 in the same direction of rotation as the spindle drum.
- the rotational speed of the tool spindles is 500 rpm.
- the first processing tool 41A which strikes into the rock 49 to be cut, with its four individual tools 43 beats recesses 52 into the rock 49 at a specific rhythm or distance.
- the subsequent processing tool 41B strikes rock between the recesses 52, whereby a wave profile 54 is formed on the approximately semicircular milling edge 53 in the rock.
- the subsequent processing tools 41C and 41D sequentially carry the raised, hatched tips 55 in the wave profile, whereby the milling edge is largely smoothed and the further advancement of the spindle drum in the direction of Arrows 56, the process described can be repeated with the editing tools 41E to 41H.
- the tools 41E-H can also be used to further smooth the milling edge 53 in the rock.
- a first machining tool for example a tool 41A
- the subsequent tool to cut off the areas remaining between the depressions 52 and then for the roller to follow in the circumferential direction of the drum Tool again as a first tool new recesses 52 strikes and the subsequent tool mills the remaining between these areas.
- the illustration according to FIG. 5 is chosen as if the tools 41A-D strike the rock 49 to be cut approximately simultaneously, which is not normally the case in practice.
- the processing tools 4IA-H - are set up so that in the illustrated intervention of 180 ° (full section) always only a single tool of all (five) ever effective Machining tools on the 180 ° range of the milling edge 53 is in engagement with rock, since then the entire force exerted by the device on the SpindeItrommel Antikkraft can be used by only a single tool and not distributed as usual on many chisels simultaneously.
- the processing tools are positioned and adjusted in a preferred form so that the respective subsequent tools do not strike exactly into the contour generated by the previous tools on the rock, but offset it.
- FIG. 6 A further embodiment of the device according to the invention is shown in FIG. 6 shown.
- This embodiment is based on the device according to FIG. 1 and differs from this by the assembly of the drive gear 25, on which the output gears 24 of the tool spindles roll off.
- the drive gear 25 is connected to the drum carrier 11 via an overload clutch 57, which has a frictional connection between the drum carrier 11 and the drive gear 25 via coupling Treatment coatings 58 causes.
- the An Schememoment at which the overload clutch acts and the drive gear 25 begins to slip against the drum carrier is adjustable.
- a drive separate from the spindle drum drive has been selected for the tool spindles.
- a drive ring 62 is rotatably mounted on the drum support 11 at a front bearing portion IIa, which carries on its outer periphery via the overload clutch 57 mounted drive gear 25.
- At its axially rear portion of the drive ring is provided with an internal toothing 63, in which engages a (not shown) drive pinion of a common tool spindle drive to cause the rotation of the drive ring on the drum body 11 and thereby drive the tool spindles.
- Fig. 8 again shows the device according to FIG. 1, this time with machining tools in the form of cutting plates 64, which essentially consist of an approximately plate-shaped carrier 65 and four equally spaced cutting discs 66 arranged around the circumference of the carriers 65, which are rotatably mounted in the carrier 65 ,
- the axes of rotation of the discs 66 do not extend approximately parallel to the axis of rotation of the rotatably mounted on the associated tool spindle support 65, but are inclined inwardly toward the rock, so that when cutting the cutting discs in the rock 49, the end faces of the cutting discs not come into rock contact, but it is ensured that the cutting discs 66 actually edit only with their peripheral cutting edge 67, the rock.
- the individual cutting discs can be coupled to j edem cutting plate each other via a suitable coupling member such as a belt drive or a befindliches inside the carrier gear transmission, which ensures that upon rotation of the tool spindle in engagement With the rock reaching single tool (cutting disc) already has the same peripheral speed, as a just disengaged, lying in front of individual tool, so that no sudden acceleration of the cutting disc in contact with the surrounding rock and thereby possible damage occurs.
- the in the embodiment of FIG. 8 used processing tools are particularly suitable for somewhat softer, to be processed rocks such as in coal mining.
- the spindle axes 68 of the tool spindles 22 are not aligned parallel to the drum axis 34 of the spindle drum 13, but inclined in the direction of the rock inwards.
- the bearing bushes 21 for receiving the tool spindles mounted therein are drilled obliquely and the drive gear 25 is formed as a bevel gear on which the driven sprockets 24 formed on the tool spindles roll off the inclined tool spindles.
- FIG. 10 illustrated embodiment of the device according to the invention are the tool spindles 22 on two different Partial circles 19a, 19b arranged, as shown in FIG. 10b is easily recognizable.
- the drive of the first group 69 of tool spindles on the first, outer pitch circle 19a and the second group 70 of tool spindles on the inner pitch circle 19b is effected by a common drive element in the form of a stepped drive gearwheel 25, which has a first gearwheel of larger diameter 25a for the outside lying tool spindles of the first group and a second sprocket 25b having a smaller diameter, which drives the radially slightly further inside tool spindles of the second group 70.
- the structure of the embodiment of FIG. 10 demi enigen, as in Fig. 1 is used.
- Fig. 11 now shows an embodiment in which the tool spindles rotate counter to the direction of rotation of the spindle drum 13.
- the drive element for the tool spindles consists of an internally toothed drive toothed ring 71, which is fastened centered on the drum carrier 11 and in which the tool spindles with their driven gears 24 are enclosed, as can be clearly seen in the drawing.
- machining tools with their respective tool spindles are mounted on the spindle drum by means of a two-point mounting.
- the spindle drum has for this purpose a plate-like bearing flange 18 in the vicinity of the drum support 11 for receiving the first bearings of the tool spindle, which form the fixed bearing for the • timing storage in the illustrated embodiments and is designed in the form of an employee storage in O arrangement with tapered roller bearings.
- the spindle drum further has a concentric with the drum axis 34, projecting support pin 72 which carries near its free end a support member 73 for receiving the second bearings 74 of the tool spindles arranged on the processing tools.
- the movable bearing for the fixed-lot storage of processing tools. They consist of cylindrical roller bearings, which are particularly suitable for absorbing large radial forces.
- the support element consists of a cover flange 75 which is arranged on the end face of the carrier journal 72 and is provided with bearing receivers 76 for the cylindrical roller bearings 74.
- This embodiment of the two-point bearing for the processing tools is particularly stable, but is not j edoch for an axial retraction of the tools in the rock to be machined, since the machining tools are frontally not effective by being covered by the cover flange 75.
- This disadvantage is avoided in the embodiment according to FIG. 13, in which two support elements 73a, 73b are provided, which support in a star-shaped manner in each case each second machining tool on the circumference of the spindle drum.
- the two support elements 73a, 73b are arranged for this purpose at different distances s, S from the bearing flange 18 and carry in star-shaped protruding arms 77 which in each case second bearings of different tool spindles.
- the spindle drum in accordance with the embodiment.
- Fig. 12 or Fig. 13 can not unduly deflect due to the forces acting on the processing tools, the cover flange 75 and the support pin 72 with a concentric to the spindle drum axis 34 arranged in the drawings dash-dotted line indicated bearing pin 86 for the additional support of the spindle drum by means of a (not shown) storage, which is located for example in the same machine frame as the drum carrier on this opposite side.
- the spindle drum 13 is provided, in addition to the tool spindles 22 distributed uniformly over its circumference, with milling tools 41 arranged thereon, with a core milling cutter 78 arranged inside the pitch circle 19 described by the tool spindles.
- the core cutter consists of a receiving cartridge 79, inside which a cutter shaft 80 is rotatably mounted, which carries a milling head 81 at its front, pointing to the rock end. At its rear end, which protrudes from the receiving cartridge 79, the cutter shaft is provided with a flanged spur gear 82.
- the receiving cartridge 79 with the shaft mounted therein is inserted into a provided on the bearing flange 18 of the spindle drum 13 cutter receptacle and locked in rotation.
- the spur gear 82 meshes with an internally toothed cutter drive sprocket 83 which is fixedly mounted on the drum carrier 11 and engages in a circumferential groove 84 provided on the rear side of the bearing flange of the spindle drum.
- the core cutter is thus driven in the opposite direction of rotation to the direction of rotation of the Spindeltr ⁇ mmel and the tool spindles and favors in particular the axial retraction of the tool into the rock the outbreak of the case circumscribed by the tool spindles middle space 85 if necessary. still remaining material.
- the invention is not limited to the illustrated and described embodiments, but various changes and additions are conceivable without departing from the scope of the invention.
- suitable processing tools it is readily possible to use the device according to the invention also for processing materials other than rock or coal, for example, for metal, wood or plastic processing.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06706429T PL1841949T3 (pl) | 2005-01-27 | 2006-01-26 | Urządzenie do obróbki frezowaniem skał i innych materiałów oraz sposób frezowania skał itp. z zastosowaniem tego urządzenia |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005003840A DE102005003840A1 (de) | 2005-01-27 | 2005-01-27 | Vorrichtung zum fräsen von Gestein und anderen Materialien |
PCT/EP2006/000683 WO2006079536A1 (fr) | 2005-01-27 | 2006-01-26 | Dispositif de fraisage de pierres et d'autres materiaux et procede de fraisage de pierres et similaires faisant intervenir ledit dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1841949A1 true EP1841949A1 (fr) | 2007-10-10 |
EP1841949B1 EP1841949B1 (fr) | 2010-08-04 |
Family
ID=36282620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06706429A Active EP1841949B1 (fr) | 2005-01-27 | 2006-01-26 | Dispositif de fraisage de pierres et d'autres materiaux et procede de fraisage de pierres et similaires faisant intervenir ledit dispositif |
Country Status (14)
Country | Link |
---|---|
US (1) | US7631942B2 (fr) |
EP (1) | EP1841949B1 (fr) |
JP (1) | JP4698682B2 (fr) |
CN (1) | CN101111662B (fr) |
AT (1) | ATE476581T1 (fr) |
AU (1) | AU2006208641B2 (fr) |
BR (1) | BRPI0607363A2 (fr) |
CA (1) | CA2595326C (fr) |
DE (2) | DE102005003840A1 (fr) |
ES (1) | ES2350402T3 (fr) |
PL (1) | PL1841949T3 (fr) |
RU (1) | RU2358104C1 (fr) |
WO (1) | WO2006079536A1 (fr) |
ZA (1) | ZA200706150B (fr) |
Cited By (1)
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---|---|---|---|---|
US9347315B2 (en) | 2011-09-27 | 2016-05-24 | Caterpillar Global Mining Europe Gmbh | Device machining materials by milling or drilling, and method therefor |
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RU201219U1 (ru) * | 2020-09-09 | 2020-12-03 | федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Устройство для забуривания исполнительного органа проходческого комбайна избирательного действия |
DE102021131432A1 (de) | 2021-11-30 | 2023-06-01 | BST-BECHEM GbR (vertretungsberechtigte Gesellschafter: Ulrich Bechem, 58093 Hagen, Philip Bechem, 58642 Iserlohn) | Vorrichtung zur fräsenden Bearbeitung von insbesondere Gestein und anderen Materialien |
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-
2005
- 2005-01-27 DE DE102005003840A patent/DE102005003840A1/de not_active Withdrawn
-
2006
- 2006-01-26 PL PL06706429T patent/PL1841949T3/pl unknown
- 2006-01-26 CA CA2595326A patent/CA2595326C/fr not_active Expired - Fee Related
- 2006-01-26 WO PCT/EP2006/000683 patent/WO2006079536A1/fr active Application Filing
- 2006-01-26 RU RU2007132185/03A patent/RU2358104C1/ru active
- 2006-01-26 AT AT06706429T patent/ATE476581T1/de active
- 2006-01-26 DE DE502006007582T patent/DE502006007582D1/de active Active
- 2006-01-26 ES ES06706429T patent/ES2350402T3/es active Active
- 2006-01-26 JP JP2007552576A patent/JP4698682B2/ja not_active Expired - Fee Related
- 2006-01-26 EP EP06706429A patent/EP1841949B1/fr active Active
- 2006-01-26 US US11/795,611 patent/US7631942B2/en active Active
- 2006-01-26 AU AU2006208641A patent/AU2006208641B2/en active Active
- 2006-01-26 BR BRPI0607363-8A patent/BRPI0607363A2/pt not_active Application Discontinuation
- 2006-01-26 CN CN2006800033598A patent/CN101111662B/zh active Active
-
2007
- 2007-07-25 ZA ZA2007/06150A patent/ZA200706150B/en unknown
Non-Patent Citations (1)
Title |
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See references of WO2006079536A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9347315B2 (en) | 2011-09-27 | 2016-05-24 | Caterpillar Global Mining Europe Gmbh | Device machining materials by milling or drilling, and method therefor |
Also Published As
Publication number | Publication date |
---|---|
ZA200706150B (en) | 2008-05-29 |
RU2007132185A (ru) | 2009-03-10 |
CA2595326A1 (fr) | 2006-08-03 |
CN101111662A (zh) | 2008-01-23 |
JP4698682B2 (ja) | 2011-06-08 |
CN101111662B (zh) | 2010-05-19 |
RU2358104C1 (ru) | 2009-06-10 |
AU2006208641A1 (en) | 2006-08-03 |
ES2350402T3 (es) | 2011-01-21 |
EP1841949B1 (fr) | 2010-08-04 |
PL1841949T3 (pl) | 2011-02-28 |
JP2008528833A (ja) | 2008-07-31 |
ATE476581T1 (de) | 2010-08-15 |
WO2006079536A8 (fr) | 2007-08-16 |
DE502006007582D1 (de) | 2010-09-16 |
BRPI0607363A2 (pt) | 2009-09-01 |
AU2006208641B2 (en) | 2010-02-18 |
WO2006079536A1 (fr) | 2006-08-03 |
US20080116734A1 (en) | 2008-05-22 |
CA2595326C (fr) | 2012-08-28 |
DE102005003840A1 (de) | 2006-08-10 |
US7631942B2 (en) | 2009-12-15 |
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