EP2846918A2 - Broyeuse - Google Patents

Broyeuse

Info

Publication number
EP2846918A2
EP2846918A2 EP13719885.9A EP13719885A EP2846918A2 EP 2846918 A2 EP2846918 A2 EP 2846918A2 EP 13719885 A EP13719885 A EP 13719885A EP 2846918 A2 EP2846918 A2 EP 2846918A2
Authority
EP
European Patent Office
Prior art keywords
bridge
bearing
crushing machine
base body
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13719885.9A
Other languages
German (de)
English (en)
Other versions
EP2846918B1 (fr
Inventor
Michael Böhlefeld
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.)
Erdmann & Co KG GmbH
Original Assignee
Erdmann & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erdmann & Co KG GmbH filed Critical Erdmann & Co KG GmbH
Publication of EP2846918A2 publication Critical patent/EP2846918A2/fr
Application granted granted Critical
Publication of EP2846918B1 publication Critical patent/EP2846918B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2291—Feed chute arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C2018/162—Shape or inner surface of shredder-housings

Definitions

  • the present invention relates to a crushing machine according to the preamble of claim 1.
  • Crushing machines with at least two cutter shafts are well known. They serve, for example, the comminution of valuable materials, such as jacketed copper cables, tires, etc., in order to supply them, for example, to a further recycling process.
  • the object of the present invention is an improved
  • Base body and a pivotable relative to the base bridge comprises the knife shafts can be quickly removed or reinstalled, since the bearing receptacle opened quickly by unfolding the bridge and removed the knife shafts correspondingly quickly or quickly fixed by folding a knife shaft used in the bearing receptacle can.
  • this object is also achieved by a crusher with the characterizing features of claim 2.
  • Quick change coupling is connected to at least one of the cutter shafts, preferably the first cutter shaft with a first quick change coupling and the second cutter shaft with a second quick change coupling with the
  • Knife shafts are quickly separated from the drive device or connected to the drive device again, so that thereby also a
  • At least one blade shaft preferably both blade shafts, end provided with at least one bearing plate, wherein the bearing plate is equipped with a base, based on the axis of rotation of the
  • Blade shaft has a greater distance from the axis of rotation than the largest radius of the blade shaft and / or the bearing plate is equipped with an opening for hooking a crane hook or for connection to a crane and / or equipped the bearing plate with a connection for the bearing of the blade shaft is Also, a maintenance-friendly crusher can be provided. It is noteworthy in particular that the bearing plate perform many tasks and therefore can be referred to as multifunctional.
  • the blade shaft can be parked, for example, on the floor or a suitable workbench, without the blades of the shaft itself or the floor or the base are affected. Through the opening for hooking, the blade shaft can be hooked directly to the bearing plates by crane and lifted or used. A separate attachment, for example by means of bands, chains or belts can be omitted.
  • the bearings of the knife shafts are basically by the
  • bearing recordings of the frame held can also be absorbed and fixed by appropriate connections in the bearing plates.
  • Another object of the present invention is to provide an improved crusher, in particular a
  • the frame is at least partially equipped with reinforcing ribs, in particular diagonally extending between the corners of the side walls reinforcing ribs, can at the same or even higher
  • the frame may be made thinner or made of a different material for the same load to be expected than it would have to be for an expected load without reinforcing ribs.
  • the frame comprises at least a first side wall, a second side wall, a first end wall and a second end wall, which preferably form a rectangular frame.
  • the two knife shafts can be advantageously absorbed, in particular parallel to the side walls.
  • a first bearing receptacle comprising a base body and a pivotable relative to the base bridge, is provided in the first end wall or form the first end wall, wherein a second bearing receptacle comprising a main body and a compared to the
  • Base body pivotable bridge is provided in the second end wall or form the end wall, wherein the bridges each have two semicircular
  • Recesses and the main body each have two semicircular recesses.
  • the semicircular recesses of the body and bridge complete in a closed state of the bridge and body, say in an operating state of the crushing machine, two shots for each bearing of the two blade shafts, say with two bridges and so configured bases can be a total of four shots for represent the four bearings of the two cutter shafts in the crusher.
  • the blade shaft can also be stored with more bearings. The description here is of a standard storage by two camps each
  • Knife shaft off As far as the combination of body and bridge complete in a closed state to a wall, this can
  • more than two semicircular recesses may be provided per base body or bridge, so that also correspondingly more blade shafts in the respective To record stock pickup or thereby shredding machines can be realized with more than two cutter shafts.
  • the crushing machine comprises a hopper for supplying valuable materials to the cutter shafts, the funnel attached to at least one bridge, preferably on the bridge of the first bearing receptacle and on the bridge of the second bearing receptacle is.
  • the funnel can be screwed to a push-on device which assists the supply of material.
  • the funnel insofar as the funnel is attached to the bridge pivotable with respect to the base body, preferably on both bridges which are pivotable relative to the base bodies, the funnel, possibly including the push-in device, can be pivoted to one side to a certain extent and the knife shafts can be exposed for removal , After the repair of the knife shafts or the insertion of new or other knife shafts, the bridges can be folded back again, whereby on the one hand the funnel, possibly with the
  • a backlash-free, but at least reduced clearance bearing is provided between the body and the bridge. This results in a reduced-clearance, preferably backlash, storage of the bridge, which in turn allows a flow of forces directly into the frame.
  • At least one releasable fixing means is provided between the bridge and the base body. It can also be provided according to several releasable fixing.
  • the base body is U-shaped and a
  • the bridge Longitudinal side, a first leg and a second leg, wherein the bridge is L-shaped and has a longitudinal side and a leg, wherein the fixing means comprises:
  • the quick-change coupling a first flange and a second flange, wherein both the first flange, and the second flange only have three holes for screws for connecting the flanges, with only one driver is disposed between the flanges.
  • a quick-change coupling with only one permanently mounted driving element facilitates the disassembly of the shaft by loosening only three screws per coupling.
  • the reinforcing ribs are attached to the side walls.
  • the reinforcing ribs extend diagonally between the corners of the side walls.
  • Knife shaft is equipped as a bearing ring, the bearing ring and the
  • Bearing plate optionally designed in one piece or the bearing ring is connected to the bearing plate.
  • the bearing can be advantageously absorbed in the bearing seat, in particular we protected the outer ring of the bearing by the bearing ring.
  • Fig. 1 shows a crushing machine according to the invention in one
  • FIG. 1 a a crushing machine according to the invention in a
  • Fig. 2 shows a crushing machine according to the invention in one
  • Fig. 3 shows a crushing machine according to the invention in one
  • Fig. 4 shows a crushing machine according to the invention in one
  • 4a shows a crushing machine according to the invention in one
  • FIG. 5 shows a blade shaft with bearing plates in a side view.
  • FIG. 6 shows a blade shaft with bearing plates in a view from the front.
  • Fig. 8 basic body in a view from the front, together with side wall;
  • Fig. 9 is a bridge in a side view; 10 shows a bridge in a view from the front;
  • Fig. 1 1 a bearing plate in a front view
  • Fig. 12 is a bearing plate in a side view
  • Fig. 15 details of a crushing machine according to the invention in a perspective view.
  • Fig. 1 6 flange of the drive device or drive means
  • Fig. 20 wiper with two screws
  • FIG. 21 shows a section through a preferred embodiment of a receptacle of a bearing of a knife shaft with a bearing ring.
  • Threaded hole (in the front wall bridge)
  • Threaded hole (in the long side bridge)
  • first bolt bushing (in the bearing plate)
  • second bolt bushing (in the bearing plate)
  • a comminution machine in particular rotary scissors or rotor scrapers, essentially comprises a drive device 1, a
  • Drive device 1 and the comminution device 2 are preferably mounted on a frame 4.
  • the drive device essentially comprises a first drive means 1 1 and a second drive means 12.
  • the drive means are of substantially identical construction, so that only one drive means is to be described in more detail below.
  • the drive means may comprise, for example, an electric motor 13 with a downstream transmission 14.
  • a power per drive means of more than 30 kW is provided.
  • a power per drive means of more than 30 kW is provided.
  • the drive device in particular the drive means, is preferably mounted on the frame 4 by means of spring and / or damper elements 15.
  • the spring and / or damper element may be, for example, a
  • the comminuting device 2 essentially comprises a first knife shaft 21, a second knife shaft 22, a frame 23, a number of scrapers 24, bearings 25 for the knife shafts and bearing receptacles for the knife shafts or for the bearings 25 of the knife shafts 21, 22.
  • the knife shafts 21, 22 can, depending on the embodiment of the
  • Crushing machine as a rotary scissors or Rotorr constitutioner be configured accordingly as a scissor shaft or tearing shaft.
  • Both scissors shafts 21, 22 together are also called cutting shaft set. Both tear waves are also referred to as a tear wave set.
  • the frame 23 essentially has a first side wall 27, a second side wall 28, a first end wall 29 and a second end wall 30.
  • the side walls 27, 28 and the end walls 28, 29 form in plan view a rectangular frame.
  • scrapers 24 are mounted perpendicular to the frame.
  • a knife shaft 21, 22 essentially has a shaft 70, a number of cutter disks 33 and a number of spacer bushes 32.
  • Knife discs 33 are substantially as circulating around the shaft
  • Retractable hooks are provided.
  • circular saw blade-like wider discs are mounted on the shaft at axial intervals. Between the cutting discs 33 spacers 32 are provided.
  • the knife shaft 21, 22 has an axis of rotation 34. Relative to the axis of rotation 34, the
  • Knife discs 33 has a larger radius than the shaft 70 and the
  • the knife shaft 21, 22 may be one piece, that is designed in one piece, but also in several parts.
  • At least two blade shafts that is to say a first blade shaft 21 and a second blade shaft 22, are rotatably received in the comminuting machine, in particular in the frame 23.
  • Rotary axes 34 of the knife shafts run parallel to the side walls 27, 28 of the frame.
  • the first blade shaft 21 is facing the first side wall 27 and the cutting discs 33 of the first blade shaft 21 pass through the spacing spaces 31 of the scrapers 24 of the first side wall 27.
  • Knife shaft 22 faces the second side wall 28 and the cutter disks 33 of the second cutter shaft 22 pass through the spacers 31 of the scrapers 24 of the second side wall 28. Further, the cutter disks 33 of the first cutter shaft 21 pass through the spacing spaces of the second cutter shaft 22 and the cutter disks 33 of FIG second cutter shaft 22 through the distance spaces of the first cutter shaft 21st
  • Knife shafts or the cutting discs in particular characterized in that the cutting discs converge narrower or at a greater distance, resulting in different crushing mechanisms.
  • Embodiment as Rotorr aloneer the valuable materials are substantially torn and less cut, as is the case with the rotary shears, in which the cutting discs tend to converge at a smaller distance from each other. Due to the process, the throughput rate is usually higher in rotor ripper design than in rotor scissors design.
  • the funnel 3 In a usual position of use or operating condition of the funnel 3 is mounted above the crushing device 2.
  • the hopper 3 can also be pivoted into a maintenance position or maintenance condition.
  • the function of the crusher is as follows. The first
  • Blade 21 is rotated by the first drive means 1 1 and the second blade shaft 22 is rotated by the second drive means 12.
  • the first drive means 1 1 for this purpose on one side of the frame 23 and the second drive means 12 mounted on the other side of the frame 23.
  • the direction of rotation of the two cutter shafts 21, 22 is preferably controlled to the machine center.
  • comminuted recyclables fall out of the crushing device 2, for example, in a collecting container (not shown), which is placed under the perched on frame 4 crushing device.
  • the crusher proposed here is characterized in particular by particularly advantageous properties.
  • the reinforcing ribs 35 preferably extend diagonally, in particular from one corner to the opposite corner.
  • Reinforcing ribs 35 are preferably elongated and flat profiles, which are in particular perpendicular to the surface of the side wall.
  • the reinforcing ribs can be designed in one piece with the side wall, but also as separate elements. In the embodiment as separate elements, the reinforcing ribs are fixed according to the end in the corners. In a plan view on the side wall is preferably an X-shaped shape of the
  • the walls of the funnel 3 can also be equipped with such reinforcing ribs 35.
  • the side wall 27, 28 may be made thinner or made of a different material at the same expected load, as they would have to be for an expected load without reinforcing ribs.
  • the proposed crushing machine has some advantageous and inventive technical facilities.
  • the quick-change coupling essentially comprises a first flange 16 and a second flange 26.
  • the first flange is connected to the respective one
  • Both the first flange 1 6, and the second flange 26 only have three holes 36 each. In the assembled state, the holes 36 of the first flange 1 6 and second flange 26 are aligned so that screws 72 can be inserted therethrough. The screws are fixed by nuts. Furthermore, only one driver 61 between the flanges 1 6, 26 provided. The attached to the one flange driver 61 is received in a recess 61 a of the other flange, which is introduced in each case in the radial direction in the flange. The driver 61 must at
  • the bearing receptacles in the end walls 29, 30 are provided or the bearing receptacles are formed by the end walls. Since the bearing receptacles are formed substantially identical, is hereinafter essentially to a
  • the knife shafts 21, 22 are basically mounted in the frame 23 by means of rolling bearings, for example by means of ball or roller bearings. But there are also other types of bearings, such as bearings, in question. As far as the bearing 25 has an outer ring and an inner ring, the inner ring with the knife shaft and the
  • the bearing receptacle essentially comprises a main body 37 and a bridge 38, and in particular a play-free or at least reduced-play bearing 39 and releasable fixing means. Since preferably two bearing receptacles are provided on both sides of the frame, the structurally identical further base body or bridge is to be designated by the reference numeral 37a or 38a. For the sake of clarity, however, reference is merely made to a combination of main body 37 and bridge 38.
  • the main body 37 is substantially U-shaped in a side view
  • the main body 37 may also be L-shaped or still have completely different shapes.
  • the main body is elongated.
  • the main body 37 has in its longitudinal side 40 a first semicircular recess 46 and a second semicircular recess 46a.
  • the main body 37 has in its second leg 42 preferably two holes 43 which extend parallel to the longitudinal side 40 of the base body.
  • the base body preferably has two brackets 44 with threaded rods received pivotably therein.
  • the main body 37 preferably has two threaded holes 45 in its longitudinal side 40, which are introduced perpendicular to the longitudinal side.
  • the bridge 38 is formed in a side view substantially L-shaped and has a longitudinal side 47 and a leg 48. Again, other forms are conceivable.
  • the bridge is elongated.
  • the bridge 38 preferably has a first semicircular recess 49 and a second semicircular recess 49a in its longitudinal side 47.
  • the longitudinal side 47 of the bridge 38 has on its end wall two threaded holes 50 which extend substantially parallel to the longitudinal side 47 of the bridge 38.
  • the bridge 38 preferably has two receptacles 51, in which the
  • Threaded rods 44 of the base body side brackets can be swung.
  • the bridge 38 preferably has two threaded bores 52 in its longitudinal side 47, which are introduced perpendicular to the longitudinal side 47.
  • the bridge 38 is pivotally connected to the main body 37 via the backlash-free / reduced-clearance bearing 39.
  • the bearing 39 is installed in the first leg 41 of the main body 37 and the leg 48 of the bridge 38.
  • the bearing 39 is preferably installed in such a way that the pivot axis of the bearing runs perpendicular to the longitudinal axes of the base body 37 and the bridge 38.
  • the reduced-clearance, preferably backlash-free, bearing 39 is characterized in particular by the following features.
  • the bearing 39 is made of a composite material. This composite is extremely hard yet resistant to momentum forces. This results in a reduced-clearance, preferably backlash-free, storage of the bridge 38, which in turn allows a flow of forces directly into the frame.
  • the bearing 39 is preferably maintenance-free.
  • the bearing clearance is preferably 0.02mm or less.
  • the end walls of the frame are at least partially formed from the bearing receivers, in particular from each of the bridge and the main body.
  • Base body 37 in a folded state in approximately the shape of a rectangular wall. In this respect, it is essentially irrelevant which form bridge and body in detail, as long as they can be put together in an assembled state to a suitable end wall or a part thereof.
  • the funnel 3 is mounted on at least one bridge 38 or 38a, preferably on the bridges 38 and 38a.
  • the funnel 3 including an optionally mounted push-over device 5 can be pivoted with the bridges 38, 38a.
  • the hopper 3 and the optionally mounted Nachdschreib worn 5 pivoted to the side and the blade shafts 21, 22 are exposed for expansion in a sense.
  • the bridges 38, 38a can be folded back, whereby on the one hand the funnel and the optionally mounted Nachdschreib coupled 5 are pivoted back into an operating position and on the other hand, the bearing receptacle can be closed again.
  • the scraper 24 preferably has only one threaded hole 59 and a hook 60 for attachment to the respective side wall 27, 28.
  • the threaded hole 59 is preferably aligned in the longitudinal direction of the scraper 24 and at one end of the
  • the hook 60 is mounted in the region of the other end of the scraper 24.
  • a bar 62 with a number of holes 63 arranged by the corresponding
  • Screw 65 can be screwed. Further, a counterpart to the hooks 60 of the scrapers 24 is mounted along the lower portion of the side wall 27, 28.
  • the scraper 24 can be solved advantageously with only one screw. It is also conceivable, however, another variant of the attachment of the scraper 24, for example by two screws, one of which from above and one from the side.
  • the bearing plate 53 is preferably in approximately rectangular, preferably rectangular, designed.
  • the bearing plate has a
  • Shaft passage 56 for example, a circular recess on, from each of which extends a portion of the bearing plate in one direction and the other portion in the other direction.
  • the shaft leadthrough can also be covered with a cover, for example when the shaft is passed only very briefly.
  • the portions of the bearing plate each extend radially from the longitudinal axis or axis of rotation of the blade shaft.
  • the bearing plate 53 may preferably fulfill a plurality of functions, in particular four functions.
  • the bearing plate can act as a connecting element between the base body 37 and the bridge 38.
  • connection means in particular bores, preferably bolt passages 54, 55, for detachable connection both to the bridge and to the base body.
  • the bearing plate can act as a stand for the associated with it blade shaft 21, 22, if this is parked, for example, after removal or storage on the ground.
  • the bearing plate 53 may have at least one base 57, preferably, relative to the axis of rotation 34 of the blade shaft 21, 22, in the mounted state on the blade shaft has a greater distance from the axis of rotation than the largest radius of the blade shaft.
  • the edge of the bearing plate 53 protrudes beyond the maximum radius of the blade shaft 21 or 22 in the assembled state.
  • such a bearing plate 53 is mounted on each side of the blade shaft 21, 22, so that the blade shaft, when it is parked on the ground, can stand on the feet 57 of the bearing plates 53 and the shears of the cutting discs do not have to rest on the ground. As a result, the teeth of the cutting discs are spared.
  • bearing plate 53 with an opening 58 for hooking a
  • Crane hook or basically be fitted for connection to a crane.
  • the bearing plate 53 also act as a bearing connection of the shaft bearing.
  • the bearing plate can have a connection for the bearing 25, in particular the outer ring of the bearing 25.
  • the connection can be configured, for example, as a bearing ring 71.
  • Bearing plate 53 may be configured in one piece, but the bearing ring may also be designed as a separate part and in particular be connected to the bearing plate.
  • the connection, in particular the bearing ring 71, is for receiving the bearing 25, in particular, therefore, the outer ring of the bearing 25, set up.
  • the bearing plate 53 can thus preferably several, in particular four
  • a bearing shell function, secondly as a stiffening element and
  • Cutting disc protection Fourth, as lifting device bore / receptacle for transport and shaft support.
  • the blade shafts 21, 22 are received in the frame 23 or by means of bearings 25 in the corresponding bearing receptacles.
  • the respective semicircular recesses 46a, 46b, 49a, 49b are completed to form a full circle and hold the respective bearing 25 or the outer ring or bearing ring of the respective bearing.
  • the main body 37a and the bridge 38a substantially complete a rectangular wall and to a certain extent form the first end wall 29 or the main body 37 and the bridge 38 the second end wall 30 of the frame.
  • the fixing means for example, the two holes 43 in the second leg 42 of the base body 37, the two threaded holes 50 in the
  • Longitudinal side 47 and the front side of the longitudinal side of the bridge 38 and two screws 69 include.
  • the aforementioned holes and the associated Threaded holes are aligned in an operating state and the screws 69 are screwed through the holes 43 in the threaded holes 50.
  • the fixing can, for example, the two consoles 44 with the
  • pivotable threaded rods on the base body and the two receptacles 51 on the bridge 38 include.
  • the threaded rods 44 are folded into the receptacles 51 of the bridge 38 and by means of nuts, the brackets are connected to each other or on the tightening of the nuts, the brackets can be pulled together and accordingly the bridge are pressed onto the body.
  • the consoles are roughly as two parallel rectangular profiles
  • the fixing can, for example, the two bearing plates 53 with the
  • Holes 54, 55 for the threaded bolt, the threaded holes 45, 52 in the bridge and the base body, and the threaded bolt 64 include.
  • Threaded bolts 64 have a cylindrical portion with a smooth surface in the longitudinal direction and a threaded portion.
  • the bores of the bearing plates 54, 55 and the associated threaded bores 45, 52 of the bridge and body are aligned in an operating condition and the threaded bolts 64 are inserted through the aforementioned holes and in the
  • the fixing means may further comprise a first semicircular bore 66 in the bridge and a second semicircular bore 67 in the body.
  • the semicircular bores are preferably aligned parallel to the cutter shafts 21, 22 and complete in a closed state of the bridge, ie operating state of the crushing machine, to a circular bore.
  • a safety pin 68 can be used, which can counteract a folding of the bridge.
  • the fixing means are released, in particular the Nuts of the brackets 44, 51, the screws, the threaded bolt 64 and the securing bolt 68th
  • the bridges 38 can be opened together with the funnel 3.
  • the inner workings of the comminution machine and in particular the knife shafts 21, 22 are now accessible and can be lifted out of the frame 23 together with bearings 25, since the pivoted bridge 38 likewise releases the bearings 25 of the knife shafts 21, 22.
  • the knife shafts 21, 22 can be lifted out, for example, with a crane and parked by means of the feet 57 on the bearing plates on, for example, the floor.
  • damaged catch hooks of the cutting discs can be repaired.
  • scrapers 24 and in particular its mounting screws are accessible in the maintenance state.
  • a wiper 24 can be removed or replaced again by loosening only one screw 65 or two screws 65 in the variant with two screws, which is basically also possible with blade shafts still in use.
  • the knife shafts 21, 22 can be used again and the fixing means are re-attached accordingly.
  • the drive means 1 1, 12, knife shafts 21, 22 and various functional elements are in the preferred embodiment described herein
  • the inventive shredding machine in particular rotary shear, is characterized in particular by the following features:
  • Crushing machine in particular rotary shears, comprising at least a first scissor shaft, a second scissor shaft, and a frame for receiving the scissor shafts supported by bearings, wherein the frame comprises at least one side wall, wherein the side wall is provided with reinforcing ribs.
  • Crushing machine in particular rotary shears, comprising at least a first scissors shaft, a second scissor shaft, and a frame for receiving the scissor shafts mounted by means of bearings, wherein a drive means for driving the scissor shafts is provided, wherein the drive means comprises at least one connected to the first scissor shaft drive means, wherein the drive means by means of a quick-change coupling with the
  • Crushing machine in particular rotary shears, comprising at least a first scissors shaft, a second scissors shaft and a funnel, and a frame for receiving the scissor shafts mounted by means of bearings, wherein the frame is at least partially formed as a bearing receptacle, wherein the bearing receptacle comprises a base body and a bridge, wherein a releasable bearing plate is mounted between the base body and the bridge, wherein the bearing plate as a connecting element between the base body and the bridge can act and / or the bearing plate can act as a stand for the scissor shaft connected to it and / or the bearing plate with an opening for hooking a crane hook or basically equipped for connection to a crane and / or the bearing plate can act as a bearing receptacle of the shaft bearing.
  • Crushing machine in particular rotary shear, comprising at least a number of scrapers and a frame for receiving at least two scissor shafts, wherein at least one scraper is fastened by only one screw and one hook.
  • Crushing machine in particular rotary shears, comprising at least a first scissors shaft, a second scissors shaft and a funnel, and a frame for receiving the scissor shafts mounted by means of bearings, wherein the frame is at least partially formed as a bearing receptacle, wherein the bearing receptacle comprises a base body and a bridge, wherein the bridge by means of a bearing, in particular a play-free bearing, preferably a Kippstehlagers, is attached to the base body, wherein the funnel is attached to the bridge.
  • a bearing in particular a play-free bearing, preferably a Kippstehlagers
  • the crusher in particular the rotary shear, may be characterized by all or some of the foregoing enumerated features.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

Broyeuse, en particulier cisaille à rotor ou déchiqueteuse à rotor, qui comporte au moins un premier arbre à couteaux (21), un second arbre à couteaux (22), un bâti (23), un dispositif d'entraînement (1) destiné à entraîner les arbres à couteaux, lesdits arbres à couteaux (21, 22) étant montés rotatifs au moyen de paliers (25) dans des logements de palier du bâti (1), lesdits logements étant conçus de manière à améliorer la facilité de maintenance, en particulier par la présence d'un logement de palier à maintenance facile et/ou d'un accouplement à changement rapide et/ou de racloirs facilement démontables et/ou de plaques d'appui multifonctionnelles et/ou de nervures de renforcement permettant d'obtenir une structure plus légère, pour des propriétés de stabilité identiques ou améliorées.
EP13719885.9A 2012-05-07 2013-05-03 Broyeuse Active EP2846918B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012008824 2012-05-07
DE102012022977 2012-11-26
PCT/EP2013/059301 WO2013167497A2 (fr) 2012-05-07 2013-05-03 Broyeuse

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EP2846918A2 true EP2846918A2 (fr) 2015-03-18
EP2846918B1 EP2846918B1 (fr) 2020-01-22

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Also Published As

Publication number Publication date
EP2846918B1 (fr) 2020-01-22
US9815065B2 (en) 2017-11-14
US20150060583A1 (en) 2015-03-05
WO2013167497A2 (fr) 2013-11-14
WO2013167497A3 (fr) 2014-03-13

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