CN103671576A - Spindle-sliding type eccentric sleeve mechanism - Google Patents
Spindle-sliding type eccentric sleeve mechanism Download PDFInfo
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- CN103671576A CN103671576A CN201310680250.XA CN201310680250A CN103671576A CN 103671576 A CN103671576 A CN 103671576A CN 201310680250 A CN201310680250 A CN 201310680250A CN 103671576 A CN103671576 A CN 103671576A
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- bearing
- eccentric
- main shaft
- roller
- sleeve
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Abstract
The invention discloses a spindle-sliding type eccentric sleeve mechanism which comprises a central sleeve, an eccentric sleeve, an eccentric copper bushing and a movable cone spindle, wherein the eccentric sleeve is mounted in the central sleeve by adopting spherical roller bearings; gears are mounted at the lower end of the central sleeve; the eccentric copper bushing is mounted in the eccentric sleeve; the movable cone spindle is mounted in the eccentric copper bushing by adopting a non-inner-ring roller bearing; a spherical bearing pack is mounted at the lower end of the movable cone spindle; the non-inner-ring roller bearing comprises an outer ring and a frame-shaped holder; a plurality of rollers are mounted in the frame-shaped holder. According to the invention, since the non-inner-ring roller bearing is mounted between the eccentric copper bushing and the movable cone spindle, the movable cone spindle can be in rotary motion and axial sliding motion, so that working requirements of the equipment are met, and the non-inner-ring roller bearing is not stressed basically in the axial direction during working, so that the service life of the equipment is prolonged.
Description
[technical field]
The present invention relates to the technical field of eccentric sleeve mechanism, particularly the technical field of the sliding eccentric sleeve mechanism of main shaft.
[background technique]
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 structural type 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 structural type 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 working efficiency and throughput; The friction factor of sliding friction is much larger than the friction factor 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 working life of having reduced machine, has increased the user cost of machine.Secondly; existing roller type eccentric sleeve mechanism; inboard bearing adopts spheric roller bearing; itself and copper eccentric bushing adopt Spielpassung, and equipment is when work, and main shaft bears enormous impact load; and when regulating gape and crossing iron protection; require main spindle's to move up and down, thereby cause obviously shorten the working life of spheric roller bearing, become a deadly defect of restriction roller type eccentric bushing.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, propose the sliding eccentric sleeve mechanism of a kind of main shaft, can make the not only rotatable motion of mantle main shaft but also can move by axial slip, and thering is good self-lubricating function, meet the job requirement of equipment, extended the working life of equipment.
For achieving the above object, the present invention proposes the sliding eccentric sleeve mechanism of a kind of main shaft, comprise cylindrical central sleeve, eccentric bushing, copper eccentric bush and mantle main shaft, described eccentric bushing adopts spheric roller bearing to be 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 adopts the roller bearing without inner ring to be installed in copper eccentric bush, the lower end of mantle main shaft is provided with spherical bearing group, described spherical bearing group comprises upper bearing (metal), middle (center) bearing and lower bearing, upper bearing (metal) adopts middle (center) bearing to be connected with lower bearing, described inner ringless roller bearing comprises outer ring and shaped as frame retainer, in described shaped as frame retainer, some rollers are installed.
As preferably, described spheric roller bearing internal surface and eccentric bushing adopt interference fit, copper eccentric bush and eccentric bushing are screwed, the outer ring of inner ringless roller bearing and copper eccentric bush adopt interference fit, the outer surface of spheric roller bearing and cylindrical central sleeve adopt interference fit, and inner ringless roller bearing inner side adopts cone match with mantle main shaft.
As preferably, between described copper eccentric bush and mantle main shaft, leave space, the upper end of copper eccentric bush has some heat dissipation channels.
As preferably, described spherical bearing group adopts contiguous block to be connected with mantle main shaft, and upper surface and the lower surface of described middle (center) bearing are provided with raised structures, and the lower surface of described upper bearing (metal) is provided with the groove structure corresponding with raised structures with the upper surface of lower bearing.
As preferably, described shaped as frame retainer is installed on inner side, outer ring, and described roller is cylindrical roller, and the outer surface of roller scribbles self lubricating material layer, and described self lubricating material layer is polyflon layer.
As preferably, described roller is cylindrical roller, offers some packing grooves on the outer wall of roller, is provided with selflubricating solid block in described packing groove, and described selflubricating solid block is polyflon piece.
As preferably, the both sides of described cylindrical central sleeve are equipped with mounting ear, and mounting ear has mounting hole, and the lower end surface of cylindrical central sleeve is provided with end ring, is provided with bearing spacer ring between cylindrical central sleeve and eccentric bushing.
Beneficial effect of the present invention: the present invention by installing inner ringless roller bearing between copper eccentric bush and mantle main shaft, can make the not only rotatable motion of mantle main shaft but also can move by axial slip, met the job requirement of equipment, during inner ringless roller bearing work, axially substantially do not stressing, extended the working life of equipment, adopt inner ringless roller bearing to reduce the radial space of whole eccentric bushing, by apply self lubricating material layer on roller, make bearing appoint so to hold in the situation that not adding oiling agent and there is lower friction factor, guarantee the reliability of bearing when running up.。
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 the sliding eccentric sleeve mechanism of a kind of main shaft of the present invention;
Fig. 2 be in the present invention inner ringless roller bearing main pseudosection;
Fig. 3 is the left TV structure schematic diagram of inner ringless roller bearing in the present invention;
Fig. 4 is the main pseudosection that adopts the roller of self lubricating material layer in the present invention;
Fig. 5 is the main pseudosection that adopts the roller of selflubricating solid block in the present invention;
The structural representation of spherical bearing group in the present invention during Fig. 6.
In figure: 1-cylindrical central sleeve, 2-eccentric bushing, 3-copper eccentric bush, 4-inner ringless roller bearing, 5-spheric roller bearing, 6-end ring, 7-gear, 8-bearing spacer ring, 9-spherical bearing group, 10-mantle main shaft, 11-mounting ear, 12-mounting hole, 31-heat dissipation channel, 41-outer ring, 42-shaped as frame retainer, 43-roller, 44-self lubricating material layer, 45-packing groove, 46-selflubricating solid block, 91-upper bearing (metal), 92-middle (center) bearing, 93-lower bearing, 94-contiguous block, 95-raised structures, 96-groove structure.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present invention, comprise cylindrical central sleeve 1, eccentric bushing 2, copper eccentric bush 3 and mantle main shaft 10, described eccentric bushing 2 adopts spheric roller bearing 5 to be 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 10 adopts the roller bearing 4 without inner ring to be installed in copper eccentric bush 3, the lower end of mantle main shaft 10 is provided with spherical bearing group 9, described spherical bearing group 9 comprises upper bearing (metal) 91, middle (center) bearing 92 and lower bearing 93, upper bearing (metal) 91 adopts middle (center) bearing 92 to be connected with lower bearing 93, described inner ringless roller bearing 4 comprises outer ring 41 and shaped as frame retainer 42, some rollers 43 are installed in described shaped as frame retainer, described spheric roller bearing 5 internal surfaces and eccentric bushing 2 adopt interference fit, copper eccentric bush 3 is screwed with eccentric bushing 2, the outer ring 41 of inner ringless roller bearing 4 adopts interference fit with copper eccentric bush 3, the outer surface of spheric roller bearing 5 and cylindrical central sleeve 1 adopt interference fit, inner ringless roller bearing 4 inner sides and mantle main shaft 10 adopt cone match, between described copper eccentric bush 3 and mantle main shaft 10, leave space, the upper end of copper eccentric bush 3 has some heat dissipation channels 31, described spherical bearing group 9 adopts contiguous block 94 to be connected with mantle main shaft 10, the upper surface of described middle (center) bearing 92 and lower surface are provided with raised structures 95, the upper surface of the lower surface of described upper bearing (metal) 91 and lower bearing 93 is provided with the groove structure corresponding with raised structures 95 96, described shaped as frame retainer 42 is installed on 41 inner sides, outer ring, described roller 43 is cylindrical roller, the outer surface of roller 43 scribbles self lubricating material layer 44, described self lubricating material layer 44 is polyflon layer, described roller 43 is cylindrical roller, on the outer wall of roller 43, offer some packing grooves 45, in described packing groove 45, be provided with selflubricating solid block 46, described selflubricating solid block 46 is polyflon piece, the both sides of described cylindrical central sleeve 1 are equipped with mounting ear 11, mounting ear has mounting hole 12, the lower end surface of cylindrical central sleeve 1 is provided with end ring 6, between cylindrical central sleeve 1 and eccentric bushing, be provided with bearing spacer ring 8.
Working procedure of the present invention:
The sliding eccentric sleeve mechanism of a kind of main shaft of the present invention in the course of the work, by inner ringless roller bearing 4 being installed between copper eccentric bush 3 and mantle main shaft 10, can make the not only rotatable motion of mantle main shaft 10 but also can move by axial slip, met the job requirement of equipment, during inner ringless roller bearing 4 work, axially substantially do not stressing, extended the working life of equipment, adopt inner ringless roller bearing 4 to reduce the radial space of whole eccentric bushing 3, by apply self lubricating material layer 44 on roller 43, make bearing appoint so to hold in the situation that not adding oiling agent and there is lower friction factor, guarantee the reliability of bearing when running up.
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. the sliding eccentric sleeve mechanism of main shaft, it is characterized in that: comprise cylindrical central sleeve (1), eccentric bushing (2), copper eccentric bush (3) and mantle main shaft (10), described eccentric bushing (2) adopts spheric roller bearing (5) to be 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 (10) adopts the roller bearing (4) without inner ring to be installed in copper eccentric bush (3), the lower end of mantle main shaft (10) is provided with spherical bearing group (9), described spherical bearing group (9) comprises upper bearing (metal) (91), middle (center) bearing (92) and lower bearing (93), upper bearing (metal) (91) adopts middle (center) bearing (92) to be connected with lower bearing (93), described inner ringless roller bearing (4) comprises outer ring (41) and shaped as frame retainer (42), some rollers (43) are installed in described shaped as frame retainer.
2. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, it is characterized in that: described spheric roller bearing (5) internal surface and eccentric bushing (2) adopt interference fit, copper eccentric bush (3) is screwed with eccentric bushing (2), the outer ring (41) of inner ringless roller bearing (4) adopts interference fit with copper eccentric bush (3), the outer surface of spheric roller bearing (5) and cylindrical central sleeve (1) adopt interference fit, and inner ringless roller bearing (4) inner side adopts cone match with mantle main shaft (10).
3. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, is characterized in that: between described copper eccentric bush (3) and mantle main shaft (10), leave space, the upper end of copper eccentric bush (3) has some heat dissipation channels (31).
4. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, it is characterized in that: described spherical bearing group (9) adopts contiguous block (94) to be connected with mantle main shaft (10), the upper surface of described middle (center) bearing (92) and lower surface are provided with raised structures (95), and the upper surface of the lower surface of described upper bearing (metal) (91) and lower bearing (93) is provided with the groove structure (96) corresponding with raised structures (95).
5. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, it is characterized in that: described shaped as frame retainer (42) is installed on inner side, outer ring (41), described roller (43) is cylindrical roller, the outer surface of roller (43) scribbles self lubricating material layer (44), and described self lubricating material layer (44) is polyflon layer.
6. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, it is characterized in that: described roller (43) is cylindrical roller, on the outer wall of roller (43), offer some packing grooves (45), in described packing groove (45), be provided with selflubricating solid block (46), described selflubricating solid block (46) is polyflon piece.
7. the sliding eccentric sleeve mechanism of a kind of main shaft as claimed in claim 1, it is characterized in that: the both sides of described cylindrical central sleeve (1) are equipped with mounting ear (11), mounting ear has mounting hole (12), the lower end surface of cylindrical central sleeve (1) is provided with end ring (6), is provided with bearing spacer ring (8) between cylindrical central sleeve (1) and eccentric bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680250.XA CN103671576B (en) | 2013-12-12 | 2013-12-12 | A kind of sliding eccentric sleeve mechanism of main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680250.XA CN103671576B (en) | 2013-12-12 | 2013-12-12 | A kind of sliding eccentric sleeve mechanism of main shaft |
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| Publication Number | Publication Date |
|---|---|
| CN103671576A true CN103671576A (en) | 2014-03-26 |
| CN103671576B CN103671576B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310680250.XA Active CN103671576B (en) | 2013-12-12 | 2013-12-12 | A kind of sliding eccentric sleeve mechanism of main shaft |
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| Country | Link |
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| CN (1) | CN103671576B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549624A (en) * | 2014-12-17 | 2015-04-29 | 浙江浙矿重工股份有限公司 | Eccentric sleeve mechanism for cone crusher |
| CN105202019A (en) * | 2015-10-10 | 2015-12-30 | 成都大宏立机器股份有限公司 | Spherical bearing of single cylinder hydraulic cone crusher and manufacturing method |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947476A (en) * | 2010-09-16 | 2011-01-19 | 陈利华 | Eccentric sleeve mechanism for cone crusher |
| CN101947475A (en) * | 2010-09-16 | 2011-01-19 | 陈利华 | Cone crusher |
| US20110155833A1 (en) * | 2009-12-29 | 2011-06-30 | Flsmidth A/S | Concrete Crusher |
| CN201991936U (en) * | 2011-03-26 | 2011-09-28 | 芜湖人本轴承有限公司 | Sealed cylindrical roller bearing without inner ring |
| CN102430446A (en) * | 2010-09-16 | 2012-05-02 | 陈利华 | Cone crusher |
| 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 |
| CN203655915U (en) * | 2013-12-12 | 2014-06-18 | 浙江浙矿重工股份有限公司 | Main shaft sliding type eccentric sleeve mechanism |
-
2013
- 2013-12-12 CN CN201310680250.XA patent/CN103671576B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110155833A1 (en) * | 2009-12-29 | 2011-06-30 | Flsmidth A/S | Concrete Crusher |
| CN101947476A (en) * | 2010-09-16 | 2011-01-19 | 陈利华 | Eccentric sleeve mechanism for cone crusher |
| CN101947475A (en) * | 2010-09-16 | 2011-01-19 | 陈利华 | Cone crusher |
| CN102430446A (en) * | 2010-09-16 | 2012-05-02 | 陈利华 | Cone crusher |
| CN201991936U (en) * | 2011-03-26 | 2011-09-28 | 芜湖人本轴承有限公司 | Sealed cylindrical roller bearing without inner ring |
| 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 |
| CN203655915U (en) * | 2013-12-12 | 2014-06-18 | 浙江浙矿重工股份有限公司 | Main shaft sliding type eccentric sleeve mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549624A (en) * | 2014-12-17 | 2015-04-29 | 浙江浙矿重工股份有限公司 | Eccentric sleeve mechanism for cone crusher |
| CN105202019A (en) * | 2015-10-10 | 2015-12-30 | 成都大宏立机器股份有限公司 | Spherical bearing of single cylinder hydraulic cone crusher and manufacturing method |
| 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 |
|---|---|
| CN103671576B (en) | 2016-08-24 |
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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. |