CN106163666B - Rolling bushing in crusher - Google Patents
Rolling bushing in crusher Download PDFInfo
- Publication number
- CN106163666B CN106163666B CN201580019566.1A CN201580019566A CN106163666B CN 106163666 B CN106163666 B CN 106163666B CN 201580019566 A CN201580019566 A CN 201580019566A CN 106163666 B CN106163666 B CN 106163666B
- Authority
- CN
- China
- Prior art keywords
- bushing
- crusher
- rolling
- rolling bushing
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 27
- 238000012423 maintenance Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011900 installation process Methods 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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
- B02C2/06—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with top bearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Cone crusher or gyratory crusher, the cone crusher or gyratory crusher have crusher shaft, the top end part of the crusher shaft is mounted in the top bearing kept by cross member, wherein top bearing includes the rolling bushing being contained in central socket, wherein annular wear inserts are maintained in rolling bushing, it is close to the wear inserts rolling in the top end part of crusher shaft, wherein socket forms interior cone tapered in a conical manner, and it is provided with pulling device to pull in socket for bushing will to be rolled, and wherein rolling bushing narrows when being drawn into and therefore clamps the wear inserts in rolling bushing to frictionally.
Description
Technical field
The present invention relates to cone crusher or gyratory crusher with rotating cylinder crusher shaft, the rotating cylinder crusher shaft
Top end part is mounted in the top bearing kept by cross member.In this arrangement, top bearing includes rolling bushing, described
Rolling bushing is contained in central socket and keeps annular wear inserts (" abrasion inserts ") in the rolling bushing.Crusher
It is close to abrasion inserts rolling in the top end part of axis.The invention further relates to annular mill is installed in the top bearing of the crusher
Consume the method for inserts.
Background technique
The crusher of gyratory crusher, dimorphism gyratory crusher and cone crusher form is well known and for example already
It is disclosed in 10 2,011 009 409 A1 of DE.However, other than needing new material and design method, exploitation and processing skill
The change of art also needs to continue further to improve to obtain better performance to these crushers while realizing economy
Operation, to obtain lower cost of serving and maintenance cost.In order to reduce maintenance cost, it is known that for example in the axis of axis top end part
Middle use wear inserts (hereinafter feature " wear inserts " and " abrasion inserts " synonymous use) is held, despite the presence of a large amount of greases
Lubrication, the inserts are still worn by the top end part of rotating cylinder crusher shaft during operation, it is therefore necessary to as " wear
Part " is replaced frequently.However, it is possible to which the use by the abrasion inserts of grey cast-iron, steel or bronze manufacture can be in top end part bearing
Maintenance process in save a large amount of materials to be replaced, therefore reduce maintenance cost and simplify processing.
By known methods, cylindrical abrasion inserts includes slightly curved " spherical shape " inner wall of evagination to adapt to rotating cylinder
It is mobile, and retraction rolls in bushing cylindrical abrasion inserts during the installation process.For this purpose, rolling shaft is made by heating
Lining broadens and then keeps it cooling so that making to wear away with temperature equalization embedding together with the abrasion inserts of insertion pre-cooled
Part is sandwiched in rolling bushing.
Here, bushing and firmly hold rolling bushing to be accurately positioned rolling, being proved to be worth one, do is that will roll
The sloped footing of last item lining is arranged in socket.It then will be in the cross member of conical outer wall insertion crusher that bushing be rolled
It is fixed in the socket of corresponding taper to narrow and by engaging flange screws.For the purpose of disassembly, unclamp
Screw and the rolling bushing that there is retraction to wear away inserts for taking-up from socket.
However, in this way the abrasion inserts of retraction the problem of consist in the fact that at the end of its service life from
It is very difficult for rolling removal in bushing.Finally, scene can heat a few tons of rolling bushing without device to keep its swollen
The swollen degree that can extremely discharge abrasion inserts, especially because good thermal conductivity, abrasion inserts is swollen together with rolling bushing
It is swollen.Finally, inserts destruction must will be worn away by cutting or burning, but this rolls the huge wind of bushing along with damage
Danger.In addition, this removing method needs the plenty of time, have an adverse effect to the downtime of crusher.
Summary of the invention
The purpose of the present invention is to provide the top end part bearing for the crusher, the top end part bearing allows simple
It accurately installs and mainly allows easily to replace annular abrasion inserts.The object of the invention is also to provide can show
Field facilitates the method for progress removed in the top bearing of crusher and install abrasion inserts.
These purposes are realized by crusher according to claim 1 and the method according to claim 11.
Advantageous embodiment is described in the dependent claims.
It is of the invention main point is that forming the rolling bushing such as collet, the rolling according to claim
Bushing is drawn into the interior cone of socket by pulling device and is deformed in this process to friction lock
Mode clamps the abrasion inserts loosely remained in advance.Therefore, by unclamping pulling device or by from socket
Middle removal rolling bushing is to open rolling bushing, as a result, release abrasion inserts and roll the friction lock between bushing,
The abrasion inserts being loosely located at again in the bushing later can be removed.
In order to realize the collet function, the central socket shape of a part formation of the top bearing as cross member
At interior cone tapered in a conical manner.In order to implement the function of being realized by known collet by box nut, according to
Pulling device is arranged in the present invention, will roll bushing by the pulling device and coaxially pull in or be pushed into socket.When by axis
When lining is pulled in or is pushed into socket tapered in a conical manner, the internal diameter for rolling bushing also correspondingly narrows to friction lock
Mode clamp the wear inserts that are loosely inserted in advance.
Here, for friction free function as far as possible, it is particularly advantageous that " collet " is (in situation of the invention
It is lower to be formed by rolling bushing) itself also form the external cone tapered in a conical manner for being adapted to socket angle.Therefore, when
When pulling in the bushing, two cone surfaces of socket and rolling bushing slide relative to each other as clamping component,
And the movement that slides axially causes radial clamping mobile.According to the concept of collet, the abrasion being maintained in rolling bushing are embedding
Part forms workpiece to be clamped.
In order to auxiliary clamp and reduce rolling bushing diameter, it is advantageous that the formation for rolling bushing is tapered in a conical manner
External cone wall radially breach at least one slit (but specifically for multiple slits), wherein one or more slits
Extend in the axial direction in wall.Advantageously, as known to through collet, wall includes multiple slits, the slit
Symmetrical around circumference and extend beyond greater depth, the abrasion that the length advantageously corresponds to insertion rolling bushing is embedding
The length of part.The length of slit makes it lead to the lower edge of rolling bushing.
It is extremely simple in order to make to handle, it is advantageous that from top rather than rolling bushing is installed from below.Roll bushing therefore
Due to its weight drawing and slide into socket.Due to the downward tapered fact of the interior cone of socket, can be realized from top
Installation.Allow to operate from top and be correspondingly pushed or pulled into rolling from top in addition, forming the pulling device needed
Bushing.
Here, especially having for the purpose for making rolling bushing installation (disassembly) simplicity for being equipped with abrasion inserts at the scene
Benefit is that pulling device is designed to act on the form of the screw connection of the flange of rolling bushing.The screw of screw connection
Across the through-hole of the even circumferential distribution of the flange around the top edge around rolling bushing.Then screw is screwed to corresponding
Interval surrounds the screw thread of socket edge distribution.It, still cannot be easily although screw connection unclamps due in any case
The rolling bushing pulled in is discharged from the sloped footing of socket, it is advantageous to which continuous pressurized screw is arranged in the flange,
Screw is screwed to the pressurized screw.If screw has already passed through screw thread, screw be supported against the edge of socket and
Rolling bushing is forced to leave sloped footing when further screwing.
Inserts is worn away for the ease of installation, it is also advantageous to it rolls bushing and forms annular stop part especially at lower edge,
Abrasion inserts is resisted against on the retainer after being loosely inserted into.It thus provides abrasion inserts rolling bushing in and
Therefore the defined position in the bearing of top end part.
The present invention can replace as follows abrasion by simple operations after abrasion inserts reaches its service life
Inserts: taking out rolling bushing from cross member, to release the prestressing force of fixed abrasion inserts.It then can be easily
Abrasion inserts is removed from rolling bushing, uses pressurized screw in a suitable case.Fixed abrasion inserts according to the present invention
Mode make it possible to that abrasion inserts is particularly simply installed.Here, for the purpose of removal, without cooling abrasion inserts also without
Rolling bushing need to be heated.Particularly, it is no longer necessary to wear away the complexity of inserts and have the construction of security risk.Therefore, it avoids not
Benefit influences the risk of rolling bushing.In addition, the present invention realizes significant saving of time in maintenance process.
Detailed description of the invention
The specific embodiment of gyratory crusher according to the present invention is more fully described referring to the attached drawing below, in attached drawing
In:
Fig. 1 shows the top bearing being maintained in cross member 1, and
Fig. 2 shows rolling bushing.
Reference signs list:
1 cross member
2 crusher shafts
3 wear inserts
4 rolling bushings
5 central sockets
6 retainers
7 shells
8 screws
9 holes
10 flanges
11 slits
12 lower edges.
Specific embodiment
Fig. 1 shows the top bearing of cone crusher or gyratory crusher being maintained in both arms cross member 1, is crushed
The top end part of arbor 2 is rotatably installed in the bearing.At lower end, crusher shaft is in lower section capacity eccentric bearing (not shown)
Eccentric inserts in radially extend.Circular eccentric bush assigns the rotating cylinder moving characteristic of crusher shaft gyratory crusher.It is broken
Therefore the top end part of broken arbor 2 also carries out rotating cylinder in bearing above mobile, and is therefore close to and is maintained in the bearing of top
Annular wear inserts 3 are rolled.Here, providing lubrication between the top end part and wear inserts 3 of crusher shaft 2.By setting
The axial bearing on the piston of hydraulic cylinder is set to provide axial support (not shown) for crusher shaft.
Wear inserts 3 are omited by having for bearing material (especially grey cast-iron, steel or bronze) manufacture in this case
The ring of the crooked inner surface of micro- evagination, the ring are maintained in rolling bushing 4.In comparison, rolling bushing 4 is contained in square shaft
In the cylindrical center socket 5 held.In this arrangement, it is slightly tapered downwards in a conical manner by the visible formation of socket 5 of Fig. 1
Interior cone.According to the present invention, the shell 7 for rolling bushing 4 is also slightly tapered downwards (Fig. 2) in a conical manner, as a result, working as
Will rolling bushing 4 when pulling in socket 5, the cone surface of socket 5 and rolling bushing 4 as clamping component relative to each other
Sliding, and move axially and cause diameter narrows.In comparison, the inner circumferential of rolling bushing 4 is cylindrical, as a result, annular
Then wear inserts 3 can be inserted into a manner of being slidably matched to be clamped by entering in rolling bushing 4.In order to keep wearing
Inserts 3, rolls and forms annular stop part 6 on the lower edge 12 of bushing 4, and wear inserts 3 are resisted against on the annular stop part 6.
It is pulled in socket 5 in order to which bushing 4 will be rolled, the pulling device provided is screw connection, the screw connection
Screw 8 pass through around be located at rolling bushing 4 top edge on flange 10 even circumferential distribution through-hole 9.Screw 8 screws
The screw thread being correspondingly formed into the top edge of socket 5.When entering rolling bushing 4, therefore rolling bushing 4 narrows with friction lock
Mode clamp the wear inserts 3 of insertion.
Roll bushing 4 wall radially breach at multiple slits 11, the slit 11 along the wall in the axial direction
Extend.Here, 11 circumference of slit is symmetrical and extends beyond the whole of the wear inserts 3 of insertion rolling bushing 4 from flange 10
A length.Slit 11 leads to the lower edge 12 of rolling bushing 4.
In order to install annular wear inserts 3 in the top bearing of crusher, wear inserts 3 are loosely inserted into not first
It is drawn into the rolling bushing 4 of socket 5.Then be connected by screw to part by taper rolling bushing 4 equably pull in socket 5 with
In the tapered interior cone of pyramidal fashion, wherein the rolling bushing 4 being slotted such as the mode of collet narrows.By narrowing
Effect, the wear inserts 4 of insertion are sandwiched in rolling bushing 4 in a manner of friction lock.In order to remove wear inserts 3, only need
It unclamps screw connection and takes out rolling bushing 4 upwards from socket 5.When taking out rolling bushing 4, rolling bushing 4
Diameter broadens, as a result, wear inserts 3 can be easily removed.In order to lift rolling bushing 4 from socket 5, it can be set and add
Press screw thread.
Claims (9)
1. a kind of crusher, the crusher is cone crusher or gyratory crusher, and the cone crusher or revolution are broken
Broken machine has crusher shaft (2), and the top end part of the crusher shaft (2) is mounted on the upper square shaft kept by cross member (1)
In holding, wherein top bearing includes the rolling bushing (4) being contained in central socket (5), and wherein annular wear inserts (3)
It being maintained in rolling bushing (4), the annular wear inserts rolling is close in the top end part of crusher shaft (2),
It is characterized in that
Central socket (5) forms tapered interior cone in a conical manner and the interior cone is tapered downwards, and is arranged
Pulling device (8) pulls in the interior cone of central socket (5) for that will roll bushing (4) down from above, wherein rolling shaft
Lining (4) be pulled downwardly it is fashionable narrow and therefore clamped in a manner of friction lock insertion rolling bushing (4) in annular mill
It damages inserts (3).
2. crusher according to claim 1,
It is characterized in that,
External cone tapered in a conical manner is formed outside rolling bushing (4), wherein when the rolling bushing is being drawn
Fashionable, the cone surface of the central socket (5) and rolling bushing (4) slides relative to each other.
3. crusher according to claim 2,
It is characterized in that,
The interior cone of central socket (5) is tapered downwards and rolls bushing (4) and is accordingly pulled in from top.
4. according to the described in any item crushers of preceding claims,
It is characterized in that,
Pulling device is screw connection, and wherein screw (8) passes through the flange on the top edge for being located at rolling bushing (4)
(10) through-hole (9) of even circumferential distribution, and wherein screw (8) is threaded to the screw thread being arranged in central socket (5).
5. crusher according to any one of claim 1 to 3,
It is characterized in that,
The wall for rolling bushing (4) forms tapered external cone in a conical manner, the wall radially breach at multiple slits
(11), wherein the slit (11) in axial direction extends in wall.
6. crusher according to claim 5,
It is characterized in that,
The wall includes multiple slits (11), and the slit (11) is symmetrical around circumference and extends beyond insertion rolling shaft
It serves as a contrast the whole length of the annular wear inserts (3) of (4) and leads to the lower edge (12) of rolling bushing (4).
7. crusher according to claim 6,
It is characterized in that
Rolling bushing forms retainer (6) at lower edge (12), and annular wear inserts (3) are resisted against on the retainer (6).
8. crusher according to claim 4,
It is characterized in that,
Pressurized screw is set, and screw is screwed to the pressurized screw, and then screw is supported against the edge of central socket (5)
And rolling bushing (4) is pulled out from sloped footing.
9. the method that annular wear inserts are installed in the top bearing according to the described in any item crushers of preceding claims,
It is characterized in that,
Annular wear inserts are loosely inserted into slotted rolling bushing, and is connected by screw to part will to roll bushing uniform
Ground pulls in the interior cone tapered in a conical manner of central socket, wherein rolling bushing narrows and therefore with friction lock
Mode the annular wear inserts of insertion are clamped.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014105415.6A DE102014105415A1 (en) | 2014-04-16 | 2014-04-16 | Rolling bush in a crusher |
| DE102014105415.6 | 2014-04-16 | ||
| PCT/EP2015/057562 WO2015158579A1 (en) | 2014-04-16 | 2015-04-08 | Roll-off bushing in a crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106163666A CN106163666A (en) | 2016-11-23 |
| CN106163666B true CN106163666B (en) | 2019-03-12 |
Family
ID=52823626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580019566.1A Active CN106163666B (en) | 2014-04-16 | 2015-04-08 | Rolling bushing in crusher |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP3131677B1 (en) |
| CN (1) | CN106163666B (en) |
| AU (1) | AU2015246193B2 (en) |
| CL (1) | CL2016002525A1 (en) |
| DE (1) | DE102014105415A1 (en) |
| DK (1) | DK3131677T3 (en) |
| PE (1) | PE20161455A1 (en) |
| WO (1) | WO2015158579A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170304830A1 (en) | 2016-04-25 | 2017-10-26 | Metso Minerals Industries, Inc. | Spider bushing assembly for a gyratory crusher |
| CN108253023A (en) * | 2016-12-29 | 2018-07-06 | 浙江双金机械集团股份有限公司 | Bearing at the top of Single-Cylinder Hydraulic Cone Crusher |
| CN109382159B (en) * | 2018-12-18 | 2024-03-12 | 广西华银铝业有限公司 | Novel cone crusher arm support cap |
| CA3193729A1 (en) | 2020-10-01 | 2022-04-07 | Jan Johansson | Gyratory crusher spider bushing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US566088A (en) * | 1896-08-18 | Stone-breaker | ||
| DE1164804B (en) * | 1962-11-26 | 1964-03-05 | Westfalia Dinnendahl Groeppel | Upper bearing on cone crushers with a suspended crushing cone shaft |
| CN85101793A (en) * | 1985-04-01 | 1987-01-10 | 沃斯特·阿尔派因股份公司 | Gyratory crusher |
| FI82393C (en) * | 1989-07-14 | 1998-05-20 | Nordberg Lokomo Oy | Cone crusher |
| TW265277B (en) * | 1993-02-15 | 1995-12-11 | Clyde Ind Ltd Trading As Jaques | |
| US8070084B2 (en) | 2010-02-05 | 2011-12-06 | Metso Minerals Industries, Inc. | Spider having spider arms with open channel |
| WO2012141558A1 (en) * | 2011-04-14 | 2012-10-18 | Ha Yong-Gan | Cone-shaped crusher |
| EP2873461B1 (en) * | 2013-11-19 | 2017-04-12 | Sandvik Intellectual Property AB | A gyratory crusher spider bushing assembly |
-
2014
- 2014-04-16 DE DE102014105415.6A patent/DE102014105415A1/en not_active Ceased
-
2015
- 2015-04-08 PE PE2016001914A patent/PE20161455A1/en unknown
- 2015-04-08 AU AU2015246193A patent/AU2015246193B2/en active Active
- 2015-04-08 CN CN201580019566.1A patent/CN106163666B/en active Active
- 2015-04-08 EP EP15715234.9A patent/EP3131677B1/en active Active
- 2015-04-08 WO PCT/EP2015/057562 patent/WO2015158579A1/en active Application Filing
- 2015-04-08 DK DK15715234.9T patent/DK3131677T3/en active
-
2016
- 2016-10-04 CL CL2016002525A patent/CL2016002525A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3131677A1 (en) | 2017-02-22 |
| AU2015246193A1 (en) | 2016-10-27 |
| DK3131677T3 (en) | 2020-02-03 |
| CL2016002525A1 (en) | 2017-03-03 |
| AU2015246193B2 (en) | 2018-11-08 |
| WO2015158579A1 (en) | 2015-10-22 |
| PE20161455A1 (en) | 2017-02-01 |
| DE102014105415A1 (en) | 2015-10-22 |
| EP3131677B1 (en) | 2019-11-06 |
| CN106163666A (en) | 2016-11-23 |
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Effective date of registration: 20230818 Address after: essen Patentee after: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG Address before: essen Patentee before: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG Patentee before: THYSSENKRUPP AG Effective date of registration: 20230818 Address after: Denmark Copenhagen valby Patentee after: FLSMIDTH A/S Address before: essen Patentee before: THYSSENKRUPP INDUSTRIAL SOLUTIONS AG |