EP3325162B1 - Rotor pour un broyeur à percussion - Google Patents

Rotor pour un broyeur à percussion Download PDF

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Publication number
EP3325162B1
EP3325162B1 EP16733364.0A EP16733364A EP3325162B1 EP 3325162 B1 EP3325162 B1 EP 3325162B1 EP 16733364 A EP16733364 A EP 16733364A EP 3325162 B1 EP3325162 B1 EP 3325162B1
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EP
European Patent Office
Prior art keywords
guide
rotor
roller body
crushing roller
guide 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.)
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Application number
EP16733364.0A
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German (de)
English (en)
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EP3325162A1 (fr
Inventor
Piotr SZCZELINA
Thomas Gernhardt
Ute DUWENDAG
Daniel STEINSTRÄTER
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.)
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Industrial Solutions AG
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Publication of EP3325162A1 publication Critical patent/EP3325162A1/fr
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Publication of EP3325162B1 publication Critical patent/EP3325162B1/fr
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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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C2013/29—Details devices for manipulating beater elements

Definitions

  • the invention relates to a rotor of an impact crusher.
  • impact crushers For crushing materials such as limestone, marl, clay, building rubble or similar mineral materials usually impact crushers are used.
  • Known impact crushers have a rotor with uniformly spaced blow bars.
  • the rotor cooperates with a second oppositely rotating rotor or baffles arranged laterally of the rotor to comminute the material.
  • blow bars are in each case hydraulically jammed in a recess in the crushing roller body, for example.
  • the blow bars of such an impact crusher are subject to high wear and require regular maintenance.
  • the blow bar known impact crusher is either completely replaced or rotated, so that the opposite end of the blow bar is exposed to wear.
  • Such an impact crusher is for example from the DE3521588 A1 and the DE3334783A1 known.
  • blow bars The replacement of the blow bars is very time consuming and requires high downtime of the impact crusher. Furthermore, the product quality deteriorates with progressive wear of the blow bars.
  • a rotor comprises a crushing roller body and at least one receiving device mounted on the crushing roller body for receiving a blow bar
  • the receiving device has a guide frame and at least one guide element which is connected to the blow bar and is movably mounted on the guide frame in such a way that a Movement of the guide element in the radial direction relative to the Guide frame results in a movement of the blow bar in the radial direction relative to the crushing roller body, wherein the guide member is arranged movable in the axial direction relative to the blow bar.
  • the crushing roller body is designed substantially cylindrical and rotates during operation of the impact crusher about its central axis.
  • the impact crusher preferably has a plurality of blow bars, which are mounted circumferentially at an equal distance from each other on the crushing roller body.
  • each of the blow bars is mounted in each case in a receiving device.
  • the crushing roller body of the impact crusher on the one hand has the function of receiving the blow bars and on the other to transfer the moment from the rotor shaft extending through the crushing roller body to the blow bars in order to apply the necessary refractive power.
  • the blow bars are arranged in a respective recess in the crushing roller body, protruding beyond the outer circumference of the crushing roller body at a predetermined height.
  • the guide frame is preferably configured substantially box-shaped and serves to guide the at least one guide element along a predetermined plane.
  • the blow bar is preferably mounted on the guide frame on the guide frame, so that the blow bar by means of the guide element in the radial direction, based on the crushing roller body, is movable.
  • a radial movement of the guide element causes a radial movement of the blow bar, wherein an axial movement of the guide element is decoupled from the blow bar.
  • the guide element is movable in the axial direction relative to the blow bar and causes no adjustment of the blow bar in the axial direction.
  • a movement of the blow bar in the radial direction allows adjustment of the position of the blow bar depending on the wear of the blow bar, so that the blow bar protrudes at the predetermined height on the outer periphery of the crushing roller body.
  • a movement of the guide element relative to the guide frame results in a continuous, stepless movement of the blow bar in the radial direction relative to the crushing roller body.
  • a continuous mobility of the blow bar in the radial direction allows accurate radial positioning of the blow bars depending on, for example, the state of wear or the nature of the material to be shredded.
  • the crushing roller body has a recess in which the receiving device is received and releasably connected to the crushing roller body.
  • the receiving device is completely received in the recess of the crushing roller, so that the receiving device does not stand out of the crushing roller body. This allows optimum absorption of the blow bar in the receiving device, wherein wear of the receiving device is avoided.
  • the guide element is formed according to a further embodiment substantially wedge-shaped.
  • the radially outwardly facing side surface of the guide element has in particular an angle of inclination of about 5-30 °, in particular 10.5 ° to the axial.
  • the side surface facing in the direction of the guide frame has an angle of inclination of approximately 10 to 30 °, in particular 14 °.
  • the receiving device has, according to a further embodiment, a first threaded spindle, via which the guide element is attached to the guide frame.
  • the guide element has a threaded bore which extends in the axial direction through the guide element and through which the threaded spindle extends. Thereby, a movement of the guide element within the guide frame is made possible in a simple manner.
  • the threaded spindle preferably extends in the axial direction through the guide frame.
  • the receiving device has a bracing element which is mounted movably in the guide frame such that a movement of the bracing element in the radial direction results in a movement of the guide element in the radial direction.
  • the bracing element is in particular arranged below, radially inwardly of the guide element and arranged movable such that it moves the guide element in the radial direction.
  • the bracing element is arranged to be movable relative to the guide element, in particular in the axial direction, so that an axial movement of the bracing element does not cause any axial movement of the guide element.
  • the bracing member is movably mounted in the guide frame so as to be movable to a blocking position in which it prevents movement of the guide member in the radial direction.
  • the bracing element lies against the guide element, in particular with its radially outwardly facing surface, wherein the guide element rests on the guide frame in such a way that movement in the radial direction is prevented.
  • the bracing element is movable parallel to the direction of movement of the guide element.
  • the bracing element is attached according to a further embodiment by means of a second threaded spindle on the guide frame.
  • the second threaded spindle extends in particular parallel to the first threaded spindle and allows movement of the clamping element.
  • the bracing element is formed according to a further embodiment substantially wedge-shaped.
  • the radially inwardly facing surface of the clamping element is aligned at an angle of about 5-30 °, in particular 10.5 ° to the axial.
  • the guide element has according to a further embodiment, in particular a trapezoidal projection.
  • the projection extends along the entire length of the guide member in the axial direction.
  • the blow bar has according to a further embodiment, in particular a trapezoidal groove which extends in the axial direction and is in engagement with the projection of the guide element.
  • a trapezoidal groove which extends in the axial direction and is in engagement with the projection of the guide element. This allows a positive connection of the guide element with the blow bar, so that the blow bar moves with the guide element.
  • a groove extending in the axial direction allows movement of the guide element in the axial direction relative to the impact strip within the groove.
  • the projection and the groove have a rectangular or round shape.
  • At least one of the first and the second threaded spindle has a first region with a right-hand thread and a second region with a left-hand thread.
  • a guide element or a clamping element is arranged on the first and the second region, wherein the guide elements and Verspannetti move in a rotation of the threaded spindle in opposite directions.
  • a spring element is arranged between the first region and the second region.
  • a spring element prevents the loss of the bias of the threaded spindle during rotation, wherein the guide elements arranged on the threaded spindle move in opposite directions.
  • the spring element has, for example, a sleeve within which a spring, such as helical compression spring or a plurality of disc springs is arranged.
  • the sleeve is in particular non-rotatably connected to the first and the second region of the threaded spindle, so that a relative rotation between the sleeve and the threaded spindle is prevented while allowing movement of the first region relative to the second region in the axial direction.
  • Such an arrangement further allows a bias of the first region to the second region of the threaded spindle.
  • the first threaded spindle and the second threaded spindle are mounted according to a further embodiment in such a way in the guide frame, that they are movable in the radial direction.
  • the guide frame has a slot hole which extends in the radial direction, and in which the first and the second threaded spindle are arranged. A movement of the threaded spindles in the radial direction allows a movement of the guide element along the threaded spindle in the axial direction with a simultaneous movement in the radial direction.
  • Two guide elements are mounted on the first threaded spindle according to a further embodiment, wherein two clamping elements are attached to the second threaded spindle.
  • the two guide elements are each connected to the blow bar, positively in the radial direction, and allow a uniform guidance of the blow bar in the radial direction.
  • the bracing serve the fixation and displacement of each one guide element in the radial direction inwards.
  • the guide frame has, according to a further embodiment, a guide surface for guiding a respective guide element.
  • the guide surface for guiding a guide element is arranged in particular at an angle of about 5-30 °, in particular 14 ° to the radial.
  • the guide surface is preferably formed such that it interacts with the pointing in the direction of the receiving device side surface of the guide element, and the guide element along a plane which extends in particular at an angle of about 5-30 °, in particular 10.5 ° to the axial, leads.
  • An additional inclination of the guide surface at an angle to the radial makes it possible to act on the impact strip with a substantially circumferential force, so that the impact strip is pressed by the guide element against the recess in the crushing roller body.
  • the guide frame has according to a further embodiment, a guide surface for guiding a respective Verspannelements.
  • the guide surface for guiding the Verspannelements at an angle of about 5-30 °, in particular the, 10.5 ° to the axial.
  • the guide surface is preferably formed such that it cooperates with the radially inwardly facing surface of the Verspannelements, so that an optimal guidance of the Verspannelements is made possible.
  • Fig. 1 shows a rotor 10 of an impact crusher for crushing limestone, marl, clay, rubble or similar mineral materials.
  • the rotor 10 comprises a substantially cylindrical crushing roller body 12 with a central axial bore 14 for receiving a shaft, not shown, for driving the crushing roller body.
  • the rotor 10 rotates in the direction of the arrow, wherein the blow bars 18, for example, with a further in Fig. 1 not shown oppositely rotating rotor or not shown side of the rotor 10 arranged impact elements cooperate.
  • the crushing roller body 12 has at its outer periphery six axially extending recesses 16, in each of which a blow bar 18 and a receiving device 20 is arranged.
  • the substantially plate-shaped impact strips 18 extend in the axial direction over the entire length of the crushing roller body 12, so that they each terminate with the side surfaces of the crushing roller body 12.
  • the blow bars 18 In the radial direction, the blow bars 18 each extend to about one third of their height beyond the outer periphery of the crushing roller body 12 and extend into the crushing roller body 12 with about two-thirds of their height.
  • the blow bars 18 are spaced uniformly over the circumference of the crushing roller body 12. Each blow bar 18 rests against the receiving device 20 with the side face pointing in the direction of rotation and against the crushing roller body 12 with the opposite side face.
  • fastening means 22 are attached to the crushing roller body 12, which prevent movement of the blow bars 18 in the axial direction.
  • the fastening means 22 are preferably attached to the side surface of the crushing roller body 12 plates which are bolted to the crushing roller body, for example, and cooperate with the blow bar, so that the blow bar 18 is fixed in the axial direction.
  • the receiving device 20 extends in the radial direction along the extending inside the crushing roller body 12 side surface of the respective beater bar 18 and terminates flush with the circumference of the crushing roller body 12 from. In the axial direction, the receiving device 20 extends over the entire length of Crushing roller body 12 axially in the recess 16.
  • the receiving device 20 is detachably attached to the crushing roller body 12, for example screwed, so that it is interchangeable if necessary.
  • Fig. 2 shows a detailed view of the receiving device 20 from Fig. 1 , wherein the blow bar 18 is shown partially cut for the sake of simplicity.
  • the receiving device 20 has a guide frame 24 which is substantially box-shaped and has a plurality of guide surfaces. The configuration of the guide frame 24 is described in detail with reference to FIG Fig. 3 described.
  • two guide elements 26 and two clamping elements 28 are further arranged, wherein in Fig. 2 only a guide element 26 and a clamping element 28 is shown, each along the in Fig. 3 shown guide surfaces 44, 46, 48, 50 are movable.
  • the receiving device further comprises a drive device 36, which has a first threaded spindle 30 and a second threaded spindle 32.
  • the threaded spindles 30, 32 extend parallel to each other through the guide frame 24 in the longitudinal direction of the guide frame 24.
  • the threaded spindles 30, 32 are in each case by means of fastening elements 38, 40, in particular nuts, mounted in an extending through the guide frame 24 elongated hole 42 so that an axial movement of the threaded spindles 30, 32 prevents and a radial movement of the threaded spindles 30, 32 is made possible.
  • the threaded spindles 30, 32 each have, in particular, two threaded cuts, a right-hand thread and a left-hand thread, these extending in each case to the middle of the threaded spindle, so that one of the ends of the threaded spindles 30, 32 has a right-hand thread and the other end of the threaded spindles 30, 32 has a left-hand thread.
  • the guide elements 26 are arranged at respective opposite ends of the threaded spindle 30 and have the same distance to the respective end of the threaded spindle, so that upon rotation of the threaded spindle 30, the guide elements 26 move in opposite directions on the threaded spindle 30.
  • the bracing elements 28 are mounted in the same way on the second threaded spindle 32, so that they also move in opposite directions.
  • the in Fig. 3 shown guide frame 24 has a rear wall 52 which in the installed in the crushing roller body 12 state of the guide frame 24 on the Crushing roller body 12 is present.
  • the guide frame 24 four guide surfaces 44, 46, 48, 50 are formed, on which the guide elements 26 and the bracing elements 28 are guided along.
  • the guide surfaces 48 and 50 serve to guide a respective Verspannelements 26 and are V-shaped to each other and arranged at right angles to the rear wall 52.
  • the guide surfaces 48 and 50 are planar and each extend from the center of the longitudinal side of the guide frame 24 at an inclination angle of about 5-30 °, in particular 10-20 °, preferably 10.5 ° to the axial of the rotor 10 toward the side surfaces of the guide frame 24.
  • the guide surfaces 44 and 46 serve to guide a respective guide element 26 and are substantially V-shaped to each other, wherein the guide surfaces 44 and 46 at an angle of about 10-30 °, in particular 12-20 °, preferably 14 ° to the rear wall 52 of the guide frame are arranged.
  • the angle of inclination of the guide surfaces 44 and 46 to the axial is about 5-30 °, in particular 10-20 °, preferably 10.5 ° and corresponds to the inclination of the guide surfaces 48 and 50, wherein the guide surfaces 44 and 46 for guiding a respective guide member 26 above , in particular radially outwardly, the guide surfaces 48 and 50 are arranged.
  • the guide frame 24 further includes a longitudinally elongated bore 42 elongated in the radial direction, which extends in the longitudinal direction of the guide frame 24, in particular in the axial direction of the crushing roller body 12, through the guide frame 24 and through which the in Fig. 2 illustrated first and second threaded spindle 30, 32 extend.
  • the elongated hole 42 further extends through the guide surfaces 48 and 50th
  • An in Fig. 4 illustrated guide member 26 has a substantially wedge-shaped shape, wherein the upwardly, radially outwardly facing surface an angle of about 5-30 °, in particular 10-20 °, preferably 10.5 ° to the longitudinal axis of the guide member 26, in particular to the axial of Rotor 10 trains.
  • the pointing in the direction of the receiving device 20 side of the guide member 26 has a side surface which extends substantially in the radial direction and a bearing surface 62 which on the guide surface 44 of Fig. 3 is applied and formed according to the angular orientation of the guide surface 44.
  • the contact surface 26 forms an angle of about 10-30 °, in particular 12-20 °, preferably 14 ° to the side surface and the radial of the rotor 20.
  • the pointing in the direction of the blow bar 18 surface of the guide member 26 has a trapezoidal projection 64 which extends along the lower, radially inward edge of the guide member 26.
  • the trapezoidal projection 64 serves the positive connection of the guide member 26 with the beater bar 18.
  • a threaded bore 54 for receiving the first threaded spindle 30.
  • a voltage applied to the guide surface 46 guide member 26 has a to the in Fig. 4 shown guide element 26 symmetrical structure.
  • bracing member 28 is formed substantially wedge-shaped, wherein the downward, radially inwardly facing surface forms a bearing surface 56 which bears against the guide surface 48 of the guide frame 24 and is formed according to the angular orientation of the guide surface 48.
  • the contact surface 56 is substantially planar and has an angle of about 5-30 °, in particular 10-20 °, preferably 10.5 ° to the axial.
  • a threaded bore 58 In the longitudinal direction through the tensioning element 28 extends a threaded bore 58 for receiving the second threaded spindle 32.
  • the upper, radially outwardly facing surface of the tensioning element 28 abuts in the installed state in the guide frame 24 on the lower radially inwardly facing surface of the guide member 26 at.
  • a voltage applied to the guide surface 50 Verspannelement has a to the in Fig. 4 shown bracing 28 symmetrical structure.
  • Fig. 6 shows a blow bar 18 which has a trapezoidal groove 34 at the side facing in the installed state to the receiving device side surface.
  • the groove 34 extends in the longitudinal direction of the blow bar 18 along the lower, radially inwardly facing edge and serves to connect the blow bar 18 with the guide elements 26.
  • the trapezoidal groove 34 of the blow bar 18 acts in the in Fig. 2 shown installed state with the trapezoidal projection 34 of the guide elements 26 together, so that the guide elements 26 along the groove 34 are movable relative to the blow bar 18.
  • the blow bar 18 further comprises a baffle 60 which is disposed at the radially outward end portion of the side surface and, for example, has a wear-resistant coating, not shown here.
  • Fig. 7 shows a section of a drive device 36, wherein by way of example only one threaded spindle 30 is shown.
  • the threaded spindle 30 has a first portion 66 and a second portion 68, which have different thread cutting.
  • the first section 66 has a right-hand thread and the second section 68 has a left-hand thread.
  • a spring element 70 is arranged, which has a sleeve in which a spring, for example a helical compression spring or a plurality of disc springs are arranged.
  • the sleeve is connected to the first portion 66 and the second portion 68 of the threaded spindle such that an axial movement of the portions 66, 68 is possible, a rotation of the portions 66, 68 relative to each other but prevented.
  • the ends of the sections 66, 68 facing the center of the threaded spindle 30 preferably have an external hexagon, which cooperates with a hexagon socket formed in the sleeve and thus prevents relative rotation of the sections 66, 68 relative to one another and movement of the sections in the axial direction relative to one another is possible.
  • the spring element provides, for example, a bias between the sections 66 and 68 and thus prevents a distortion of the threaded spindle.
  • the first threaded spindles 30 is rotated, so that the guide elements 26 move along the threaded spindle 30 in the axial direction to the outside.
  • the different thread cutting the threaded spindle ensure that the guide elements 26 move opposite to each other.
  • the connection between the blow bar 18 and the guide elements 26 by means of a positive connection, which includes a trapezoidal projection of the guide elements 26 in the trapezoidal groove 34 of the blow bar, allows sliding of the guide elements 26 in the axial direction along the groove 34, so that the blow bar 18 in the radial direction with the guide elements 26, but not moved in the axial direction.
  • the second threaded spindle 32 is rotated, so that the bracing elements 28 each slide under a guide element 26 and this move against the guide surfaces 44, 46, 48, 50.
  • the bracing elements move the guide element in each case in the radial direction into a blocking position, in which the guide element abuts against the guide surfaces 44, 46 and a movement in the radial direction is prevented outwardly.
  • the bracing elements are arranged in the blocking position radially inwardly of a respective guide element so that movement of the guide element 26 in the radial direction is prevented inwardly.
  • the drive of the threaded spindles 30, 32 is realized, for example, manually or via an external drive device, such as a hydraulic motor or an electric motor.
  • the arrangement described realizes a simple and reliable adjustment of the blow bars in the radial direction, so that an exchange of the entire blow bar 18 must be made only at a very high wear and the height of the blow bar 18 can be adapted at any time to each material to be crushed material properties.
  • the arrangement allows a continuous, continuous movement of the blow bar in the radial direction, whereby a precise positioning of the blow bar is possible. This allows a considerable time savings in wear of the blow bars and prevents long Downtime of the impact crusher.

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

Claims (17)

  1. Rotor (10) d'un broyeur à percussion comprenant un corps de rouleau de broyage (12) et au moins un dispositif de réception (20) monté sur le corps de rouleau de broyage (12) et destiné à recevoir une barre de percussion (18), le dispositif de réception (20) comportant un cadre de guidage (24) et au moins un élément de guidage (26) qui est relié à la barre de percussion (18) et qui est monté de manière mobile sur le cadre de guidage (24) de telle sorte que le déplacement de l'élément de guidage (26) dans la direction radiale par rapport au cadre de guidage (24) entraîne un mouvement de la barre de percussion (18) dans la direction radiale par rapport au corps de rouleau de broyage (12), caractérisé en ce que l'élément de guidage (26) est disposé de manière mobile dans la direction axiale par rapport à la barre de percussion (18) .
  2. Rotor (10) selon la revendication 1, le corps de rouleau de broyage (12) comportant un évidement (16) dans lequel le dispositif de réception (20) est reçu et est relié de manière amovible au corps de rouleau de broyage (12) .
  3. Rotor (10) selon l'une des revendications précédentes, l'élément de guidage (26) étant sensiblement en forme de coin.
  4. Rotor (10) selon l'une des revendications précédentes, le dispositif de réception (20) comprenant une première broche filetée (30) permettant de monter l'élément de guidage (26) sur le cadre de guidage (24).
  5. Rotor (10) selon l'une des revendications précédentes, le dispositif de réception (20) comprenant un élément de serrage (28) qui est monté de manière mobile dans le cadre de guidage (24) de sorte qu'un mouvement de l'élément de serrage (28) dans la direction radiale entraîne un mouvement de l'élément de guidage (26) dans la direction radiale.
  6. Rotor (10) selon la revendication 5, l'élément de serrage (28) étant monté de manière mobile dans le cadre de guidage (24) de manière à pouvoir se déplacer jusque dans une position de blocage dans laquelle il empêche l'élément de guidage (26) de se déplacer dans la direction radiale.
  7. Rotor (10) selon la revendication 6, l'élément de serrage (28) pouvant être déplacé parallèlement à la direction de déplacement de l'élément de guidage (26).
  8. Rotor (10) selon l'une des revendications 6 ou 7, l'élément de serrage (28) étant monté sur le cadre de guidage (24) au moyen d'une deuxième broche filetée (32).
  9. Rotor (10) selon l'une des revendications 6 à 8, l'élément de serrage (28) étant sensiblement en forme de coin.
  10. Rotor (10) selon l'une des revendications précédentes, l'élément de guidage (26) comportant une saillie (64) notamment trapézoïdale.
  11. Rotor (10) selon la revendication 10, la barre de percussion (18) comportant une gorge (34) notamment trapézoïdale qui s'étend dans la direction axiale et qui s'engage avec la saillie (64) de l'élément de guidage (26) .
  12. Rotor (10) selon les revendications 4 et 8, l'une au moins des première et deuxième broches filetées (30, 32) comportant une première région (66) pourvue d'un filetage à droite et une deuxième région (68) pourvue d'un filetage à gauche.
  13. Rotor (10) selon la revendication 12, un élément à ressort (70) étant disposé entre la première région (66) et la deuxième région (68).
  14. Rotor (10) selon les revendications 4 et 8, les première et deuxième broches filetées (30, 32) étant montées dans le cadre de guidage (24) de manière à pouvoir se déplacer dans la direction radiale.
  15. Rotor (10) selon les revendications 4 et 8, deux éléments de guidage (26) étant montés sur la première broche filetée (30) et deux éléments de serrage (28) étant montés sur la deuxième broche filetée (32).
  16. Rotor (10) selon l'une des revendications précédentes, le cadre de guidage (24) comportant au moins une surface de guidage (44, 46) destinée à guider un élément de guidage (26) correspondant.
  17. Rotor (10) selon l'une des revendications précédentes, le cadre de guidage (24) comportant au moins une surface de guidage (48, 50) destinée à guider un élément de serrage (28) correspondant.
EP16733364.0A 2015-07-23 2016-06-21 Rotor pour un broyeur à percussion Active EP3325162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015213958.1A DE102015213958A1 (de) 2015-07-23 2015-07-23 Rotor für einen Prallbrecher
PCT/EP2016/064283 WO2017012809A1 (fr) 2015-07-23 2016-06-21 Rotor pour un broyeur à percussion

Publications (2)

Publication Number Publication Date
EP3325162A1 EP3325162A1 (fr) 2018-05-30
EP3325162B1 true EP3325162B1 (fr) 2019-08-07

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EP16733364.0A Active EP3325162B1 (fr) 2015-07-23 2016-06-21 Rotor pour un broyeur à percussion

Country Status (5)

Country Link
US (1) US20180200721A1 (fr)
EP (1) EP3325162B1 (fr)
CN (1) CN107810064A (fr)
DE (1) DE102015213958A1 (fr)
WO (1) WO2017012809A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3556467A1 (fr) * 2018-04-16 2019-10-23 Omya International AG Disque hybride

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Publication number Priority date Publication date Assignee Title
GB559345A (en) * 1942-12-22 1944-02-15 Nordberg Manufacturing Co Improvements in or relating to impact members and impact crushers employing such members
DE3334783A1 (de) * 1982-09-28 1984-03-29 Pallmann Maschinenfabrik GmbH & Co KG, 6660 Zweibrücken Halterung fuer nachstellbare schlagplatten an schlaegerrotoren von zerkleinerungsmaschinen
DE3521588A1 (de) 1985-06-15 1986-12-18 O & K Orenstein & Koppel Ag, 1000 Berlin Vorrichtung zum festlegen von schlagleisten in prallmuehlenrotoren
CN2414838Y (zh) * 2000-03-28 2001-01-17 朱广礼 反击式破碎机
US6845933B2 (en) * 2002-01-09 2005-01-25 Cedarapids, Inc. Impeller bar retaining wedge assembly and rotor employing the same

Non-Patent Citations (1)

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Title
None *

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Publication number Publication date
WO2017012809A1 (fr) 2017-01-26
DE102015213958A1 (de) 2017-01-26
US20180200721A1 (en) 2018-07-19
EP3325162A1 (fr) 2018-05-30
CN107810064A (zh) 2018-03-16

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