CN103657773A - Roller bearing type eccentric sleeve mechanism - Google Patents
Roller bearing type eccentric sleeve mechanism Download PDFInfo
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- CN103657773A CN103657773A CN201310680987.1A CN201310680987A CN103657773A CN 103657773 A CN103657773 A CN 103657773A CN 201310680987 A CN201310680987 A CN 201310680987A CN 103657773 A CN103657773 A CN 103657773A
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- eccentric
- roller bearing
- inner ring
- sleeve
- copper
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Abstract
The invention discloses a roller bearing type eccentric sleeve mechanism. The mechanism comprises a central sleeve, an eccentric sleeve, a copper eccentric liner bushing and a movable cone main shaft, wherein the eccentric sleeve is mounted in the central sleeve, a gear wheel is mounted at the lower part of the central sleeve and the copper eccentric liner bushing is mounted in the eccentric sleeve; the movable cone main shaft is mounted in the copper eccentric liner bushing; a first spherical roller bearing is mounted between the movable cone main shaft and the copper eccentric liner bushing, a spherical bearing group is mounted at the lower end of the movable cone main shaft; a tapered roller bearing is arranged between the central sleeve and the eccentric sleeve, wherein the tapered roller bearing comprises an outer ring and a plurality of inner ring components; a plurality of tapered rollers are mounted in the inner ring components; a self-lubricating material layer is coated upon the tapered roller and a dust cover is mounted between the inner ring components and the outer ring. According to the invention, the roller bearing type eccentric sleeve mechanism can bear load in the radial direction and the axial direction, effectively balance a buoyancy force from the gear wheel, therefore the accuracy of the gear wheel and the service life of the bearing are ensured.
Description
[technical field]
The present invention relates to the technical field of eccentric sleeve mechanism, particularly the technical field of roller bearing formula eccentric sleeve mechanism.
[background technology]
Eccentric sleeve mechanism is one of gyratory crusher key component, and its Main Function is to drive movable cone rotary oscillation, and movable cone is played a supportive role.At present, domestic eccentric sleeve mechanism generally all adopts the version of eccentric copper sheathing, and eccentric bushing and mantle main shaft and frame central inner room are the forms of motion sliding; Secondly, be to adopt roller type eccentric sleeve mechanism.
Prior art is the version that adopts copper eccentric bushing.Copper eccentric bushing and mantle main shaft and frame central inner room are slip forms.Therefore, the rotational speed between the cylindrical central sleeve in eccentric copper sheathing and frame and mantle main shaft is restricted, and rotating speed is difficult to improve, and has reduced gyratory crusher operating efficiency and production capacity; The coefficient of friction of sliding friction is much larger than the coefficient of friction of rolling friction, thereby the wearing and tearing between the cylindrical central sleeve in copper eccentric bushing and frame and eccentric copper sheathing and mantle main shaft are large, in the service life of having reduced machine, has increased the use cost of machine.Secondly, existing roller type eccentric sleeve mechanism, eccentric bushing and cylindrical central sleeve adopt spheric roller bearing, because the ability to bear of spheric roller bearing axial force is low, the bevel gear of equipment gear and its pairing has the trend of floating when High Rotation Speed, cause the gear pair field of conjugate action too small, cause the wearing and tearing of gear process; The gear wheel set of High Rotation Speed makes gear produce floating on the other hand, causes spheric roller bearing axially bearing larger load and come the trend of this floating of balance, the service life that certainly will reduce spheric roller bearing.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, proposes a kind of roller bearing formula eccentric sleeve mechanism, can radially carry and can axial carrying, can active balance from the buoyancy of gear, thereby guaranteed the precision of gear and the service life of bearing.
For achieving the above object, the present invention proposes a kind of roller bearing formula eccentric sleeve mechanism, comprise cylindrical central sleeve, eccentric bushing, copper eccentric bush and mantle main shaft, described eccentric bushing is installed in cylindrical central sleeve, the lower end of cylindrical central sleeve is provided with gear, copper eccentric bush is installed in eccentric bushing, described mantle main shaft is installed in copper eccentric bush, between described mantle main shaft and copper eccentric bush, the first spheric roller bearing is installed, the lower end of mantle main shaft is provided with spherical bearing group, between described cylindrical central sleeve and eccentric bushing, taper roll bearing is installed, described taper roll bearing comprises outer ring and some inner ring assemblies, some conical rollers are installed in described inner ring assembly, on described conical roller, be coated with self-lubricating material layer, between outer ring and inner ring assembly, dust cover is installed.
As preferably, the upper end between described cylindrical central sleeve and eccentric bushing is provided with taper roll bearing, and the lower end between cylindrical central sleeve and eccentric bushing is provided with the second spheric roller bearing.
As preferably, the quantity of described inner ring assembly is two, and two inner ring assembly symmetries are installed in outer ring, and the inner surface of described outer ring is provided with pyramidal projections structure, and inner ring assembly comprises shaped as frame retainer and inner ring, and described shaped as frame retainer is set on inner ring.
As preferably, described conical roller is rotatably installed on shaped as frame retainer, and the upper surface of conical roller contacts with the inner surface of outer ring, and the lower surface of conical roller contacts with the outer surface of inner ring, and described self-lubricating material layer is polyflon layer.
As preferably, described dust cover comprises installing plate and dust excluding plate, described installing plate is between outer ring and shaped as frame retainer, and dust excluding plate lid is located at the surface of shaped as frame retainer and inner ring, and described dust excluding plate adopts fixed head and the first nut to be fixedly installed in inner peripheral surface.
As preferably, the inner surface of described taper roll bearing and the second spheric roller bearing and eccentric bushing adopt interference fit, copper eccentric bush and eccentric bushing are adopted and are screwed, the first spheric roller bearing outer surface and copper eccentric bush adopt interference fit, and the lower surface of cylindrical central sleeve adopts the second nut to be installed with end ring.
As preferably, the both sides of described cylindrical central sleeve are equipped with mounting ear, and mounting ear has installing hole.
Beneficial effect of the present invention: the present invention is by adopting taper roll bearing to substitute the spheric roller bearing outside original eccentric bushing, thereby the installation accuracy that has guaranteed gear is within bearing clearance, avoided gear clearance too small and the danger of interlock may occur, by two inner ring assemblies of symmetrical installation in outer ring, make taper roll bearing can bear larger radial load, and there is higher limit speed, by apply self-lubricating material layer on conical roller, make bearing appoint so to hold in the situation that not adding lubricant and there is lower coefficient of friction, guarantee the reliability of bearing when running up, because taper roll bearing can bear axial force, energy active balance is from the buoyancy of gear, thereby also extended service life of bearing, and avoid the too early wearing and tearing of gear.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main pseudosection of a kind of roller bearing formula of the present invention eccentric sleeve mechanism;
Fig. 2 is the main TV structure schematic diagram of taper roll bearing in the present invention;
Fig. 3 is the left TV structure schematic diagram of taper roll bearing in the present invention;
Fig. 4 is the main pseudosection of conical roller in the present invention.
In figure: 1-cylindrical central sleeve, 2-eccentric bushing, 3-copper eccentric bushing, 4-mantle main shaft, 6-end ring, 7-gear, 8-taper roll bearing, 9-spherical bearing group, 51-the first spheric roller bearing, 52-the second spheric roller bearing, 61-the second nut, 81-outer ring, 82-shaped as frame retainer, 83-inner ring, 84-conical roller, 85-dust cover, 811-pyramidal projections structure, 841-self-lubricating material layer, 851-installing plate, 852-dust excluding plate, 861-fixed head, 862-the first nut.
[specific embodiment]
Consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of roller bearing formula of the present invention eccentric sleeve mechanism, comprise cylindrical central sleeve 1, eccentric bushing 2, copper eccentric bush 3 and mantle main shaft 4, described eccentric bushing 2 is installed in cylindrical central sleeve 1, the lower end of cylindrical central sleeve 1 is provided with gear 7, copper eccentric bush 3 is installed in eccentric bushing 2, described mantle main shaft 4 is installed in copper eccentric bush 3, the first spheric roller bearing 51 is installed between described mantle main shaft 4 and copper eccentric bush 3, the lower end of mantle main shaft 4 is provided with spherical bearing group 9, between described cylindrical central sleeve 1 and eccentric bushing 2, taper roll bearing 8 is installed, described taper roll bearing 8 comprises outer ring 81 and some inner ring assemblies, some conical rollers 84 are installed in described inner ring assembly, on described conical roller 84, be coated with self-lubricating material layer 841, dust cover 85 is installed between outer ring 81 and inner ring assembly, upper end between described cylindrical central sleeve 1 and eccentric bushing 2 is provided with taper roll bearing 8, lower end between cylindrical central sleeve 1 and eccentric bushing 2 is provided with the second spheric roller bearing 52, the quantity of described inner ring assembly is two, two inner ring assembly symmetries are installed in outer ring 81, the inner surface of described outer ring 81 is provided with pyramidal projections structure 811, inner ring assembly comprises shaped as frame retainer 82 and inner ring 83, described shaped as frame retainer 82 is set on inner ring 83, described conical roller 84 is rotatably installed on shaped as frame retainer 82, the upper surface of conical roller 84 contacts with the inner surface of outer ring 81, the lower surface of conical roller 84 contacts with the outer surface of inner ring 83, described self-lubricating material layer 841 is polyflon layer, described dust cover 85 comprises installing plate 851 and dust excluding plate 852, described installing plate 851 is between outer ring 81 and shaped as frame retainer 82, dust excluding plate 852 lids are located at the surface of shaped as frame retainer 82 and inner ring 83, described dust excluding plate 852 adopts fixed head 861 and the first nut 862 to be fixedly installed in inner ring 83 surfaces, the inner surface of described taper roll bearing 8 and the second spheric roller bearing 52 and eccentric bushing 2 adopt interference fit, copper eccentric bush 3 is adopted and is screwed with eccentric bushing 2, the first spheric roller bearing 51 outer surfaces and copper eccentric bush 3 adopt interference fit, the lower surface of cylindrical central sleeve 1 adopts the second nut 61 to be installed with end ring 6, the both sides of described cylindrical central sleeve 1 are equipped with mounting ear 11, mounting ear has installing hole 12.
The course of work of the present invention:
A kind of roller bearing formula of the present invention eccentric sleeve mechanism in the course of the work, by the spheric roller bearing that adopts taper roll bearing 8 to substitute outside original eccentric bushing 2, thereby the installation accuracy that has guaranteed gear 7 is within bearing clearance, avoided gear 7 gaps too small and the danger of interlock may occur, by 81 interior symmetrical two inner ring assemblies of installing in outer ring, taper roller axle 8 is held and can bear larger radial load, and there is higher limit speed, by apply self-lubricating material layer 841 on conical roller 84, make bearing appoint so to hold in the situation that not adding lubricant and there is lower coefficient of friction, guarantee the reliability of bearing when running up, dust cover 85 can effectively stop dust, impurity enters in the inner ring assembly of bearing, extended the service life of equipment, because taper roll bearing 8 can bear axial force, energy active balance is from the buoyancy of gear 7, thereby also extended service life of bearing, and avoid the too early wearing and tearing of gear.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (7)
1. a roller bearing formula eccentric sleeve mechanism, it is characterized in that: comprise cylindrical central sleeve (1), eccentric bushing (2), copper eccentric bush (3) and mantle main shaft (4), described eccentric bushing (2) is installed in cylindrical central sleeve (1), the lower end of cylindrical central sleeve (1) is provided with gear (7), copper eccentric bush (3) is installed in eccentric bushing (2), described mantle main shaft (4) is installed in copper eccentric bush (3), between described mantle main shaft (4) and copper eccentric bush (3), the first spheric roller bearing (51) is installed, the lower end of mantle main shaft (4) is provided with spherical bearing group (9), between described cylindrical central sleeve (1) and eccentric bushing (2), taper roll bearing (8) is installed, described taper roll bearing (8) comprises outer ring (81) and some inner ring assemblies, some conical rollers (84) are installed in described inner ring assembly, on described conical roller (84), be coated with self-lubricating material layer (841), dust cover (85) is installed between outer ring (81) and inner ring assembly.
2. a kind of roller bearing formula eccentric sleeve mechanism as claimed in claim 1, it is characterized in that: the upper end between described cylindrical central sleeve (1) and eccentric bushing (2) is provided with taper roll bearing (8), the lower end between cylindrical central sleeve (1) and eccentric bushing (2) is provided with the second spheric roller bearing (52).
3. a kind of roller bearing formula eccentric sleeve mechanism as claimed in claim 1, it is characterized in that: the quantity of described inner ring assembly is two, two inner ring assembly symmetries are installed in outer ring (81), the inner surface of described outer ring (81) is provided with pyramidal projections structure (811), inner ring assembly comprises shaped as frame retainer (82) and inner ring (83), and described shaped as frame retainer (82) is set on inner ring (83).
4. a kind of roller bearing formula eccentric sleeve mechanism as claimed in claim 1, it is characterized in that: described conical roller (84) is rotatably installed on shaped as frame retainer (82), the upper surface of conical roller (84) contacts with the inner surface of outer ring (81), the lower surface of conical roller (84) contacts with the outer surface of inner ring (83), and described self-lubricating material layer (841) is polyflon layer.
5. a kind of roller bearing formula eccentric sleeve mechanism as claimed in claim 1, it is characterized in that: described dust cover (85) comprises installing plate (851) and dust excluding plate (852), described installing plate (851) is positioned between outer ring (81) and shaped as frame retainer (82), dust excluding plate (852) lid is located at the surface of shaped as frame retainer (82) and inner ring (83), and described dust excluding plate (852) adopts fixed head (861) and the first nut (862) to be fixedly installed in inner ring (83) surface.
6. a kind of roller bearing formula eccentric sleeve mechanism as claimed in claim 1, it is characterized in that: the inner surface of described taper roll bearing (8) and the second spheric roller bearing (52) and eccentric bushing (2) adopt interference fit, copper eccentric bush (3) is adopted and is screwed with eccentric bushing (2), the first spheric roller bearing (51) outer surface and copper eccentric bush (3) adopt interference fit, and the lower surface of cylindrical central sleeve (1) adopts the second nut (61) to be installed with end ring (6).
7. a kind of roller bearing formula eccentric sleeve mechanism as described in any one in claim 1 to 6, is characterized in that: the both sides of described cylindrical central sleeve (1) are equipped with mounting ear (11), and mounting ear has installing hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680987.1A CN103657773B (en) | 2013-12-11 | 2013-12-11 | A kind of roller bearing formula eccentric sleeve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680987.1A CN103657773B (en) | 2013-12-11 | 2013-12-11 | A kind of roller bearing formula eccentric sleeve mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103657773A true CN103657773A (en) | 2014-03-26 |
| CN103657773B CN103657773B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310680987.1A Active CN103657773B (en) | 2013-12-11 | 2013-12-11 | A kind of roller bearing formula eccentric sleeve mechanism |
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| CN (1) | CN103657773B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437725A (en) * | 2014-12-31 | 2015-03-25 | 浙江浙矿重工股份有限公司 | Hydraulic type cone crusher |
| CN104475187A (en) * | 2014-12-31 | 2015-04-01 | 浙江浙矿重工股份有限公司 | Single-cylinder cone crusher |
| CN106979222A (en) * | 2017-05-08 | 2017-07-25 | 青岛港国际股份有限公司 | A kind of eccentric adjuster being used between articulated elements |
| CN109806931A (en) * | 2019-01-23 | 2019-05-28 | 浙江浙矿重工股份有限公司 | A kind of band bearing support eccentric sleeve mechanism |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3908915A (en) * | 1974-08-07 | 1975-09-30 | Fuller Co | Antirotation device for a gyratory crusher |
| CN1151892C (en) * | 2002-02-01 | 2004-06-02 | 郑德琳 | Rotary/conic crusher with ball bearing supporter structure |
| CN2608118Y (en) * | 2003-03-21 | 2004-03-31 | 陈正辉 | Vertical rolling and crushing machine |
| CN2714149Y (en) * | 2004-08-10 | 2005-08-03 | 张春 | Cone crusher |
| CN201807387U (en) * | 2010-09-16 | 2011-04-27 | 陈利华 | Conical crusher |
| CN102135132A (en) * | 2011-05-13 | 2011-07-27 | 上海斐赛轴承科技有限公司 | Rolling bearing |
| CN202238147U (en) * | 2011-10-02 | 2012-05-30 | 长兴县长虹路桥矿山机械设备有限公司 | Multi-cylinder hydraulic rolling gyratory crusher eccentric bushing |
| CN203648587U (en) * | 2013-12-11 | 2014-06-18 | 浙江浙矿重工股份有限公司 | Roller bearing type eccentric bushing mechanism |
-
2013
- 2013-12-11 CN CN201310680987.1A patent/CN103657773B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437725A (en) * | 2014-12-31 | 2015-03-25 | 浙江浙矿重工股份有限公司 | Hydraulic type cone crusher |
| CN104475187A (en) * | 2014-12-31 | 2015-04-01 | 浙江浙矿重工股份有限公司 | Single-cylinder cone crusher |
| CN106979222A (en) * | 2017-05-08 | 2017-07-25 | 青岛港国际股份有限公司 | A kind of eccentric adjuster being used between articulated elements |
| CN109806931A (en) * | 2019-01-23 | 2019-05-28 | 浙江浙矿重工股份有限公司 | A kind of band bearing support eccentric sleeve mechanism |
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| Publication number | Publication date |
|---|---|
| CN103657773B (en) | 2015-10-21 |
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Address after: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Patentee after: Zhejiang mining heavy industry Co.,Ltd. Address before: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Patentee before: ZHEJIANG ZHE KUANG HEAVY INDUSTRIES Co.,Ltd. |