EP2986387A2 - Brechwalze für einen walzenbrecher - Google Patents
Brechwalze für einen walzenbrecherInfo
- Publication number
- EP2986387A2 EP2986387A2 EP14718954.2A EP14718954A EP2986387A2 EP 2986387 A2 EP2986387 A2 EP 2986387A2 EP 14718954 A EP14718954 A EP 14718954A EP 2986387 A2 EP2986387 A2 EP 2986387A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- crushing
- support plate
- shaft
- cylindrical support
- shells
- 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
- 210000003746 feather Anatomy 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 abstract description 3
- 230000004323 axial length Effects 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
Definitions
- the invention relates to a crushing roller for a roll crusher.
- a roll crusher is understood to be any crusher which reduces the grain size of starting material by means of one or more rotating rolls or shafts and crushing tools arranged thereon. There are various constructive structures of crushing rollers known.
- the crushing rollers are made in one piece and must be replaced after wear of the crushing tools as a whole.
- crushing rollers are known in which the crushing tools are arranged in so-called crushing shells, wherein the crushing shells are detachably connected to the crushing roller. This makes it possible to change the breaking tools without a complete removal of the crushing roller. This is particularly advantageous because time and cost of maintenance can be reduced.
- the breaking tools are designed as break chisel, which can be inserted into corresponding openings in the crushing roller.
- Object of the present invention is to propose a crushing roller with variable positions of the crushing tools.
- the terms axial, radial and in the circumferential direction refer to the shaft of the crushing roller.
- the object is achieved in that between the crushing shells and the shaft at least one, releasably connected to this support disc is arranged.
- the support disk is cylindrical in shape, wherein cylindrical means here that the support disk has the shape of a hollow cylinder, with an outer and an inner base surface. In this case, the outer and inner base area may differ, resulting in a varying wall thickness of the support disk.
- a support disc according to the invention has means for releasable connection with a shaft in the cylinder interior and means for fixing crushing shells on the cylinder outer surface.
- the axial length of a support plate is dependent on the specific application. In the simplest case, a support disk is provided, which carries all crushing tools of the crushing roller.
- the outer cross-sectional shape is an N-corner, in particular a pentagon, wherein a crushing shell is to be fastened on each outer surface of the N-corner.
- the means for releasably connecting to a shaft, an axial tongue and groove joint is incorporated in the axial direction on the outside of the shaft and corresponding to the inner surface of the support disc.
- the tongue and groove connection is able to transmit the drive torque of the crushing roller very well and is also easy to incorporate and inexpensive.
- the inner cross-sectional shape of the support disc (s) is circular.
- it is adapted to the standard waveform.
- rectangular or star-shaped inner cross-sectional shapes of the support disks with corresponding shaft cross sections would also be possible. However, this is considerably more expensive.
- the means for fixing the crushing shells on the or the support disc (s) tongue and groove connections are particularly preferably additionally provided in the radial direction for fastening screws as fastening means of the crushing shells
- this tongue and groove joint has a parallelogram-shaped cross-sectional shape, wherein the tip shows angle of the parallelogram in the direction of rotation.
- the tangential refractive power generated by the inclination of the edge of the spring a contact force of the crushing shell to the support disc.
- all forms of groove Spring connection which prefer to generate a contact force.
- the spring does not have to be an extra component, but can also be an integral part of the support disk or the shaft.
- the spring is an integral part of the support disk.
- the crushing shell with the support disk has a feather key in the circumferential direction, which receives axial forces.
- a support disc has circumferentially distributed axially directed and continuous inner holes. Through these holes tie rods are guided and connected to a fixedly connected to the shaft fastener, in particular screwed.
- the fastening means is, for example, a flange of the shaft with axial holes. As a result, the axially adjacent support disks are clamped together.
- the axial inner holes can also be used to release the support disks of the shaft.
- more holes can be provided in the axial direction particularly advantageous, which do not form a continuous hole in the installed state of the support disks.
- the pressing is preferably done hydraulically.
- a fixed and a movable bearing is provided for supporting the crushing roller.
- the fastening element is arranged on the fixed bearing side.
- the support disks on a multiple of grooves or springs as the corresponding grooves or springs on the shaft are mounted in different circumferential positions in on the shaft.
- the crushing shells openings for insertion of Brechekißeln are so easy to change.
- the pedestalstckenden Brechm facedel have a circumferential groove in the Constckenden area.
- a corresponding hole is provided into which a bolt is to be inserted, which engages in the inserted state in the circumferential groove and thereby holds the breaker chisel in the crushing shell.
- the refracting bits can rotate around themselves under load, thereby ensuring even wear.
- FIG. 1 shows a shaft of a crushing roller with carrying disks and crushing shells according to the invention
- FIG. 2 shows the shaft from FIG. 1 without crushing shells
- FIG. 3 shows a carrier disk with partially applied crushing shells
- FIG. 4 shows the cross-sectional profile of a carrier disk
- Figure 5 shows the side view of a crushing shell
- FIG. 6 shows the sectional view of a crushing shell in the region of a round shank chisel.
- Figure 1 shows a shaft 1 of a crushing roller according to the invention with three support disks on which crushing shells 2 are mounted.
- the shaft 1 is mounted on one side with a fixed bearing 1 1 and on the other side with a floating bearing 12.
- the shaft 1 On the side of the fixed bearing 1 1, the shaft 1 further has a flange thirteenth
- FIG 2 shows a support plate 2 according to the invention partially with applied crushing shells 3, in the round shank chisel 4 are inserted.
- the support disks 2 have driving tongues 21 which receive the tangential refractive power and also serve to fix the crushing shells 3 on the support disks 2. Furthermore, the support disks 2 through holes 22 in the axial direction.
- tie rods 5 are guided and braced against the flange 13 with nuts 15.
- Figure 3 shows by means of a side view of the cross-sectional profile of a support disk 2.
- This has a pentagonal outer base with the same side lengths and a largely circular inner base.
- On the outer base of a crushing shell 2 is to be fixed on each of the five sides, for which a driver spring 21 is provided.
- the driver spring 21 has the shape of a parallelogram, wherein the front side in the direction of rotation encloses the acute angle with the side surface of the support plate 2, whereby advantageously the tangential refractive power for pressing the crushing shell 3 is used on the support plate 2.
- the axial holes 22 for performing the tie rods (5 in Figure 1) can be seen.
- axial holes 25 are used to release the support disks 2 of the shaft 1 by hydraulic pressure.
- Figure 5 shows a crushing shell 3, which receives two round shank chisel 4, wherein in the figure only one round shank chisel 4 is visible, the other is directly behind it, as seen in Figure 2.
- tooth fronts 32 are arranged in a largely radial direction, which are wedge-shaped and thereby support the secondary shearing.
- tooth back plates 33 are arranged, which are also wedge-shaped, and the connection to the next, behind it arranged round shank chisel 4 creates a toothed intermediate web 34, which is also wedge-shaped.
- 3 holes for performing a bolt 35 are arranged in the crushing shell, which represents a captive for the round shank chisel 4. To prevent slipping out of the bolt 35 whose ends are secured with nuts.
- FIG. 6 shows a sectional view of a round shank chisel 4 in a crushing shell 2.
- the round shank chisel 4 has in its rear region a circumferential groove 41. In the inserted state, this circumferential groove 41 corresponds with the holes in the crushing shell 3 for the bolt 35 ( Figure 4).
- a firing pin 42 is arranged in the crushing bowl 3 behind the round shank chisel 4 in the crushing bowl 3 behind the round shank chisel 4 .
- the firing pin 42 has described in its constitution the function for changing the round shank chisel below and included in the function of the advantageous cleaning of the hole in the crushing shell 3 for functional reception of a new round shank chisel 4.
- On the back is a striking opening 43 in the crushing shell 3, through which the firing pin 42 is reached.
- a change of a round shank chisel 4 takes place in the following steps:
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Road Repair (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14718954T PL2986387T3 (pl) | 2013-04-19 | 2014-04-16 | Walec kruszący do kruszarki walcowej |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013207092.6A DE102013207092A1 (de) | 2013-04-19 | 2013-04-19 | Brechwalze für einen Walzenbrecher |
PCT/EP2014/057727 WO2014170371A2 (de) | 2013-04-19 | 2014-04-16 | Brechwalze für einen walzenbrecher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2986387A2 true EP2986387A2 (de) | 2016-02-24 |
EP2986387B1 EP2986387B1 (de) | 2019-06-12 |
Family
ID=50543576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14718954.2A Active EP2986387B1 (de) | 2013-04-19 | 2014-04-16 | Brechwalze für einen walzenbrecher |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2986387B1 (de) |
CN (1) | CN105228751A (de) |
CA (1) | CA2909563C (de) |
DE (1) | DE102013207092A1 (de) |
PL (1) | PL2986387T3 (de) |
WO (1) | WO2014170371A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015206957B3 (de) | 2015-04-17 | 2016-09-08 | Takraf Gmbh | Brechwalze für einen Brecher |
DE102018207885B4 (de) | 2018-05-18 | 2024-03-21 | Flsmidth A/S | Brechwalze und Verfahren zu deren Herstellung |
CN111701660B (zh) * | 2020-07-07 | 2022-02-18 | 广东众大智能科技有限公司 | 一种自适应自动化粉碎机 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE496116C (de) * | 1930-04-14 | Jakob Henke Dr Ing | Aus einzelnen Ringen zusammengesetzte Zerkleinerungswalze | |
EP0110665B1 (de) * | 1982-11-27 | 1987-06-10 | Peak Pattern Co. Limited | Zerkleinerungsmaschine |
GB2288133B (en) * | 1994-04-09 | 1997-09-03 | Douglas Patrick J | Crusher/shredder apparatus with removable working elements |
GB9505849D0 (en) * | 1995-03-22 | 1995-05-10 | Mmd Design & Consult | Mineral breaker |
FR2809333B1 (fr) * | 2000-05-25 | 2002-08-16 | Precimeca | Broyeur de dechets perfectionne, parties constitutives et procede de maintenance |
AUPR082200A0 (en) * | 2000-10-17 | 2000-11-09 | Oldenburg Australasia Pty Ltd | An apparatus |
WO2003006165A1 (en) * | 2001-07-12 | 2003-01-23 | Mmd Design & Consultancy Limited | A tooth cap assembly |
US7048218B2 (en) * | 2003-11-26 | 2006-05-23 | Michilin Prosperity Co., Ltd. | Shredder blade made by punching and bending |
CN2688382Y (zh) * | 2004-03-11 | 2005-03-30 | 赵春青 | 辊筒齿板 |
CN201200902Y (zh) * | 2008-05-30 | 2009-03-04 | 贵州莱利斯机械设计制造有限责任公司 | 对辊式破碎装置 |
CN201320475Y (zh) * | 2008-12-24 | 2009-10-07 | 洛阳矿山机械工程设计研究院有限责任公司 | 一种齿辊式破碎机用辊齿 |
CN201329295Y (zh) * | 2008-12-25 | 2009-10-21 | 陈茂莲 | 破碎机 |
CN102274773A (zh) * | 2011-05-06 | 2011-12-14 | 煤炭科学研究总院唐山研究院 | 高强度可更换破碎齿 |
-
2013
- 2013-04-19 DE DE102013207092.6A patent/DE102013207092A1/de not_active Withdrawn
-
2014
- 2014-04-16 WO PCT/EP2014/057727 patent/WO2014170371A2/de active Application Filing
- 2014-04-16 PL PL14718954T patent/PL2986387T3/pl unknown
- 2014-04-16 EP EP14718954.2A patent/EP2986387B1/de active Active
- 2014-04-16 CN CN201480022256.0A patent/CN105228751A/zh active Pending
- 2014-04-16 CA CA2909563A patent/CA2909563C/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014170371A3 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014170371A3 (de) | 2015-04-16 |
EP2986387B1 (de) | 2019-06-12 |
WO2014170371A2 (de) | 2014-10-23 |
CA2909563C (en) | 2017-08-22 |
CA2909563A1 (en) | 2014-10-23 |
CN105228751A (zh) | 2016-01-06 |
DE102013207092A1 (de) | 2014-10-23 |
PL2986387T3 (pl) | 2019-11-29 |
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