CN204448129U - Rolling bearing gyratory crusher - Google Patents
Rolling bearing gyratory crusher Download PDFInfo
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- CN204448129U CN204448129U CN201520058573.XU CN201520058573U CN204448129U CN 204448129 U CN204448129 U CN 204448129U CN 201520058573 U CN201520058573 U CN 201520058573U CN 204448129 U CN204448129 U CN 204448129U
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Abstract
The utility model relates to mining equiment field, particularly relates to a kind of rolling bearing gyratory crusher.Rolling bearing gyratory crusher, comprises frame, and the eccentric stiffener be arranged in frame and mantle group; The mantle axle top interference of described mantle group is arranged in the axle top installing hole of movable cone, the upper end interference of mantle axis body is arranged in the axis body installing hole of movable cone, the lower end location and installation of mantle axis body is in the upper radial roller bearing of eccentric stiffener, eccentric top on excentric sleeve is in the bearing mounting hole of movable cone, and the bearing delineation position, top of upper axial thrust bearing is in the thrust bearing groove of movable cone.The eccentric swing of mantle of this rolling bearing gyratory crusher is stable, crushing effect is good.
Description
Technical field
The utility model relates to mining equiment field, particularly relates to a kind of rolling bearing gyratory crusher.
Background technology
Rolling bearing gyratory crusher is a kind of mining machinery for broken building stones, and its principle drives the swing of mantle group to rotate by eccentric stiffener, is cooperatively interacted for broken building stones by mantle group and surely boring between frame.There is the weak point of following two aspects in existing rolling bearing gyratory crusher: 1, and eccentric stiffener comprises bearing block and excentric sleeve, and excentric sleeve is positioned in bearing block by bearing; And contact offsets between excentric sleeve and bearing, locating effect is not good, bearing dislocation easily occurs, the phenomenon that excentric sleeve is impaired; 2, mantle axle lower end is just positioned in excentric sleeve by bearing, in mantle group swing process by the connection of mantle group and eccentric stiffener, the degree of balance of mantle group is not enough, cause mantle group swing amplitude unstable, after broken, building stones granular size differs, and crushing effect is not good.
In addition, the movable cone in mantle group is set on mantle axle, and between movable cone and mantle axle, circumference is not fixed, and easily produces deflection and loosen, affecting crushing effect.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of rolling bearing gyratory crusher, and the eccentric swing of mantle of this rolling bearing gyratory crusher is stable, crushing effect is good.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
Rolling bearing gyratory crusher, comprises frame, and the eccentric stiffener be arranged in frame and mantle group;
Described eccentric stiffener comprises excentric sleeve, and the upper axial thrust bearing of location and installation in excentric sleeve, lower axial thrust bearing, on radial roller bearing and lower radial roller bearing; Described excentric sleeve comprises axle sleeve inner ring, axle sleeve outer ring and axle sleeve ring, and the inner end of axle sleeve ring is connected with the outer side surface one of axle sleeve inner ring, and the outer end of axle sleeve ring is connected with the interior sidewall surface one of axle sleeve outer ring; Form upper bearing (metal) groove between the upper surface of described axle sleeve ring and axle sleeve inner ring, axle sleeve outer ring, upper axial thrust bearing is arranged in upper bearing (metal) groove, interference fit between the bottom bearing circle of upper axial thrust bearing and the axle sleeve inner ring of excentric sleeve; Form lower bearing groove between the lower surface of described axle sleeve ring and axle sleeve inner ring, lower axial thrust bearing is arranged in lower bearing groove, interference fit between the top race ring of lower axial thrust bearing and the axle sleeve inner ring of excentric sleeve; Described axle sleeve inner ring is divided into eccentric top and eccentric bottom, the central through hole at eccentric top is communicated by shaft coupling shoulder hole with between the central through hole of eccentric bottom, upper radial roller bearing is arranged in the central through hole at eccentric top, and lower radial roller bearing is arranged in the central through hole of eccentric bottom;
Described mantle group comprises mantle axle, and is set in the movable cone outside mantle axle; Described mantle axle is by mantle axis body, and the mantle axle top be arranged on above mantle axis body integrally connects and composes; Described movable cone inside is provided with the ladder hole that lower diameter is large, upper diameter is little; Ladder hole is divided into bearing mounting hole, axis body installing hole and axle top installing hole from bottom to up successively, and its periphery of bearing mounting hole lower end edge is also provided with thrust bearing groove; Described mantle axle top interference is arranged in the axle top installing hole of movable cone, the upper end interference of mantle axis body is arranged in the axis body installing hole of movable cone, the lower end location and installation of mantle axis body is in the upper radial roller bearing of eccentric stiffener, eccentric top on excentric sleeve is in the bearing mounting hole of movable cone, and the bearing delineation position, top of upper axial thrust bearing is in the thrust bearing groove of movable cone.
As preferably, the outer side surface of described movable cone is gone back coning sleeve and be provided with mantle liner plate, the lower end inside face of mantle liner plate and the lower end outside face of movable cone fit tightly; Be configured for the mantle groove of filling epoxy resin between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, the threaded upper ends of mantle axle is connected with clamp nut, clamp nut axial location mantle liner plate; Adopt the lower axial end of the sheathed fixing mantle liner plate of tapering between mantle liner plate and movable cone, the circumference of mantle liner plate is fixed in epoxy resin adhesion, the upper axial end of the fixing mantle liner plate in clamp nut location; By three kinds of syndetons, mantle liner plate is firmly connected on movable cone, good stability.
As preferably, the upper end of mantle liner plate is provided with polylith mantle and strengthens gusset, and polylith mantle is strengthened gusset and distributed along mantle liner plate upper end port rule; Mantle is strengthened gusset and is played booster action to mantle liner plate on the one hand; Can pile up charging aperture building stones on the other hand, mantle liner plate is played a protective role.
As preferably, between the upper end of clamp nut and mantle liner plate, be provided with cut ring; During dismounting, can cut ring be cut off, thus be convenient to back out clamp nut, dismounting mantle liner plate.
As preferably, above clamp nut, be also provided with protective cap; During gyratory crusher work, a large amount of building stones are by pan feeding above mantle group, and protective cap is used for preventing clamp nut and mantle axle to be subject to, and building stones impact, wearing and tearing.
As preferably, also sealing device is provided with outside described upper axial thrust bearing, sealing device comprises the upper sealing ring being fixed on movable cone lower surface, and is fixed on the lower sealing ring of upper surface, axle sleeve outer ring of excentric sleeve, tight sealing engagement between upper sealing ring and lower sealing ring; Can prevent the dust in building stones from entering in eccentric stiffener by sealing device, guarantee that it normally works.
As preferably, the eccentric bottom central through hole of excentric sleeve is positive heart through hole; During installation, the positive heart through hole of excentric sleeve is positioned in frame by lower radial roller bearing, and mantle group is positioned in the central through hole at eccentric top by upper radial roller bearing, and excentric sleeve is circumferential eccentric rotary centered by positive heart through hole.
As preferably, the shaft coupling shoulder hole in described excentric sleeve is communicated by thin oil passage with between upper bearing (metal) groove, lower bearing groove, eccentric bottom central through hole, and lower bearing groove is communicated by thin oil passage with between eccentric bottom central through hole, upper bearing (metal) groove.During the work of rolling bearing gyratory crusher, the lubricating oil in frame is drained to the upper radial roller bearing of lubrication and lower radial roller bearing in excentric sleeve, and lubricating oil is flowed out for lubricating upper axial thrust bearing and lower axial thrust bearing by thin oil passage; By this structure, the bearing of both sides inside and outside a lubricant passage way lubrication excentric sleeve can be realized, thus simplify lubrication circuit.
The utility model adopts technique scheme, there is some advantage following in this rolling bearing gyratory crusher: 1, upper axial thrust bearing in eccentric stiffener is arranged in the upper bearing (metal) groove of excentric sleeve, interference fit between the bottom bearing circle of upper axial thrust bearing and the axle sleeve inner ring of excentric sleeve; Lower axial thrust bearing is arranged in lower bearing groove, interference fit between the top race ring of lower axial thrust bearing and the axle sleeve inner ring of excentric sleeve; By this structure, upper axial thrust bearing and lower axial thrust bearing are all fixedly mounted on excentric sleeve, not easily misplace between excentric sleeve and bearing, good positioning effect; 2, the lower end location and installation of mantle axle, in the upper radial roller bearing of eccentric stiffener, is accepted by upper axial thrust bearing location between movable cone and excentric sleeve; When mantle swing, centered by the above radial roller bearing of mantle, above axial thrust bearing is track, thus balance mantle group, make mantle group swing amplitude stabilization; 3, the top interference of mantle axle is arranged in the axle top installing hole of movable cone, and the upper end interference of mantle axis body is arranged in the axis body installing hole of movable cone; Ensure to be connected firmly between movable cone and mantle axle, prevent movable cone circumferential deflection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is eccentric stiffener structural representation.
Fig. 3 is the scheme of installation between mantle group and eccentric stiffener.
Fig. 4 is the structural representation of movable cone.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
A kind of rolling bearing gyratory crusher as shown in Fig. 1 ~ Fig. 4, comprises frame 1, and the eccentric stiffener 4 be arranged in frame 1 and mantle group 5.
Paragraph below and all parts of gyratory crusher be described:
eccentric stiffener:
Described eccentric stiffener 4 comprises excentric sleeve, upper axial thrust bearing 42, lower axial thrust bearing 43, upper radial roller bearing 44 and lower radial roller bearing 45.Excentric sleeve comprises axle sleeve inner ring 411, axle sleeve outer ring 412, and for the axle sleeve connecting ring 413 of one connecting bushing inner ring 411 and axle sleeve outer ring 412, the lower surface of axle sleeve outer ring 412 is fixed with balancing weight 415, for balancing whole excentric sleeve.Upper bearing (metal) groove 414 is formed between the upper surface of described axle sleeve connecting ring 413 and axle sleeve inner ring 411, axle sleeve outer ring 412, upper axial thrust bearing 42 is arranged in upper bearing (metal) groove 414, interference fit between the bottom bearing circle of upper axial thrust bearing 42 and the axle sleeve inner ring 411 of excentric sleeve.Form lower bearing groove 416 between the lower surface of axle sleeve connecting ring 413 and axle sleeve inner ring 411, lower axial thrust bearing 43 is arranged in lower bearing groove 416, interference fit between the top race ring of lower axial thrust bearing 43 and the axle sleeve inner ring 411 of excentric sleeve.During installation, first the top race ring of the bottom bearing circle of upper axial thrust bearing 42 and lower axial thrust bearing 43 is heated, be then contained in outside axle sleeve inner ring 411, interference fit after being down to normal temperature.
Described axle sleeve inner ring 411 is divided into eccentric top 411a and eccentric bottom 411b, and the central through hole of eccentric bottom 411b is positive heart through hole, and there is eccentric angle α between the axis of eccentric top 411a and the axis of eccentric bottom 411b, eccentric angle α is less than 10 °; Described upper radial roller bearing 44 is arranged in the central through hole of eccentric top 411a, and the port of eccentric top 411a is provided with upper bearing (metal) back-up ring 46, and upper bearing (metal) back-up ring 46 axially limits the outboard bearing circle of upper radial roller bearing 44.Lower radial roller bearing 45 is arranged in the central through hole of eccentric bottom 411b, and the lower end of eccentric bottom 411b is fixed with excentric sleeve cone tooth 47, and the inner end of excentric sleeve cone tooth 47 axially limits the outboard bearing circle of lower radial roller bearing 45.
The central through hole of described eccentric top 411a is communicated by shaft coupling shoulder hole 411c with between the central through hole of eccentric bottom 411b; The inside of excentric sleeve is provided with thin oil passage b, specifically shaft coupling shoulder hole 411c is communicated by thin oil passage b with between upper bearing (metal) groove 414, lower bearing groove 416 and eccentric bottom 411b central through hole, and lower bearing groove 416 communicates with the thin oil passage b that communicates between 411b central through hole, upper bearing (metal) groove 414 bottom bias.During the work of rolling bearing gyratory crusher, the lubricating oil in frame is drained to the upper radial roller bearing of lubrication and lower radial roller bearing in excentric sleeve, and lubricating oil is flowed out for lubricating upper axial thrust bearing and lower axial thrust bearing by thin oil passage; By this structure, the bearing of both sides inside and outside a lubricant passage way lubrication excentric sleeve can be realized, thus simplify lubrication circuit.
mantle group:
Described mantle group 5 comprises mantle axle 51, movable cone 52 and mantle liner plate 53, and the lateral surface tapering of movable cone 52 tilts, and the inside of movable cone 52 is provided with the ladder hole that lower diameter is large, upper diameter is little; Ladder hole runs through movable cone about 52 two ends, and ladder hole is divided into the axle top installing hole 523 on the bearing mounting hole 521 of bottom, the axis body installing hole 522 at middle part and top, and its periphery of bearing mounting hole 521 lower end edge is also provided with thrust bearing groove 524.Described mantle axle 51 is by mantle axis body 511, and the mantle axle top 512 be arranged on above mantle axis body 511 integrally connects and composes.During installation, movable cone 52 is set on mantle axle 51, axis body installing hole 522 interference fit of mantle axis body 511 upper end and movable cone 52, axle top installing hole 523 interference fit of mantle axle top 512 and movable cone 52; Thus make to be connected firmly between movable cone and mantle axle, prevent movable cone circumferential deflection.
Described mantle liner plate 53 is set on the lateral surface of movable cone 52, and lower end inside face and the movable cone 52 of mantle liner plate 53 closely cooperate, and are configured for the mantle groove 54 of filling epoxy resin between the upper end medial surface of mantle liner plate 53 and movable cone 52; Mantle axle top 512 offers internal thread connecting hole, and mantle axle top 512 has been threaded clamp nut 55, and clamp nut 55 axial location mantle liner plate 53, is provided with cut ring 57 between the upper end of clamp nut 55 and mantle liner plate 53.This structure is by taper fit between mantle liner plate 53 and movable cone 52, and restriction mantle liner plate 53 down slides; Filling epoxy resin in mantle groove 54 between mantle liner plate 53 and movable cone 52, the slip in restriction mantle liner plate 53 circumference; Clamp nut 55 pushes down the upper surface of mantle liner plate 53 by cut ring 57, and restriction mantle liner plate 53 up slides; Above-mentioned three kinds of connections are adopted to make to be connected firmly between mantle liner plate 53 and movable cone 52, relative sliding can not be there is, and cut ring 57 can be cut off when mantle liner plate 53 changed by needs, back out clamp nut 55, knocking mantle liner plate 53 makes it loosening with movable cone 52, and the driven axis of cone 51 upper end is taken off.
Also be provided with protective cap 56 above described clamp nut 55, protective cap 56 damages for preventing clamp nut 55 and mantle axle 51 to be subject to building stones impact, plays a protective role.The upper end of mantle liner plate 53 is also provided with polylith mantle and strengthens gusset 531, and the multiple hole for injecting glue 532 communicated with mantle groove 54, and multiple hole for injecting glue 532 distributes, for evenly adding epoxy resin to mantle groove 54 along mantle liner plate 53 upper end port rule; Polylith mantle strengthens gusset 531 along the distribution of mantle liner plate 53 upper end port rule, and mantle is strengthened gusset 531 1 aspect and played booster action to mantle liner plate 53; Can pile up charging aperture 92 building stones on the other hand, mantle liner plate 53 is played a protective role.
During installation, the location and installation of mantle group 5 lower end is in eccentric stiffener 4, specifically the lower end location and installation of mantle axis body 511 is in the upper radial roller bearing 44 of eccentric stiffener, eccentric top 411a on excentric sleeve is in the bearing mounting hole of movable cone, and the bearing delineation position, top of upper axial thrust bearing 42 is in the thrust bearing groove 524 of movable cone; When mantle swing, centered by the above radial roller bearing of mantle, above axial thrust bearing is track, thus balance mantle group, make mantle group swing amplitude stabilization.In addition, sealing device 58 is also provided with outside upper axial thrust bearing 42, sealing device 58 comprises the upper sealing ring being fixed on movable cone lower surface, and is fixed on the lower sealing ring of upper surface, axle sleeve outer ring of excentric sleeve, tight sealing engagement between upper sealing ring and lower sealing ring; Can prevent the dust in building stones from entering in eccentric stiffener by sealing device 58, guarantee that it normally works.
Claims (8)
1. rolling bearing gyratory crusher, comprises frame, and the eccentric stiffener be arranged in frame and mantle group; It is characterized in that:
Described eccentric stiffener comprises excentric sleeve, and the upper axial thrust bearing of location and installation in excentric sleeve, lower axial thrust bearing, on radial roller bearing and lower radial roller bearing; Described excentric sleeve comprises axle sleeve inner ring, axle sleeve outer ring and axle sleeve ring, and the inner end of axle sleeve ring is connected with the outer side surface one of axle sleeve inner ring, and the outer end of axle sleeve ring is connected with the interior sidewall surface one of axle sleeve outer ring; Form upper bearing (metal) groove between the upper surface of described axle sleeve ring and axle sleeve inner ring, axle sleeve outer ring, upper axial thrust bearing is arranged in upper bearing (metal) groove, interference fit between the bottom bearing circle of upper axial thrust bearing and the axle sleeve inner ring of excentric sleeve; Form lower bearing groove between the lower surface of described axle sleeve ring and axle sleeve inner ring, lower axial thrust bearing is arranged in lower bearing groove, interference fit between the top race ring of lower axial thrust bearing and the axle sleeve inner ring of excentric sleeve; Described axle sleeve inner ring is divided into eccentric top and eccentric bottom, the central through hole at eccentric top is communicated by shaft coupling shoulder hole with between the central through hole of eccentric bottom, upper radial roller bearing is arranged in the central through hole at eccentric top, and lower radial roller bearing is arranged in the central through hole of eccentric bottom;
Described mantle group comprises mantle axle, and is set in the movable cone outside mantle axle; Described mantle axle is by mantle axis body, and the mantle axle top be arranged on above mantle axis body integrally connects and composes; Described movable cone inside is provided with the ladder hole that lower diameter is large, upper diameter is little, and ladder hole is divided into bearing mounting hole, axis body installing hole and axle top installing hole from bottom to up successively, and its periphery of bearing mounting hole lower end edge is also provided with thrust bearing groove; Described mantle axle top interference is arranged in the axle top installing hole of movable cone, the upper end interference of mantle axis body is arranged in the axis body installing hole of movable cone, the lower end location and installation of mantle axis body is in the upper radial roller bearing of eccentric stiffener, eccentric top on excentric sleeve is in the bearing mounting hole of movable cone, and the bearing delineation position, top of upper axial thrust bearing is in the thrust bearing groove of movable cone.
2. rolling bearing gyratory crusher according to claim 1, is characterized in that: the outer side surface of described movable cone is gone back coning sleeve and be provided with mantle liner plate, and the lower end inside face of mantle liner plate and the lower end outside face of movable cone fit tightly; Be configured for the mantle groove of filling epoxy resin between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, the threaded upper ends of mantle axle is connected with clamp nut, clamp nut axial location mantle liner plate.
3. rolling bearing gyratory crusher according to claim 2, is characterized in that: the upper end of mantle liner plate is provided with polylith mantle and strengthens gusset, and polylith mantle is strengthened gusset and distributed along mantle liner plate upper end port rule.
4. rolling bearing gyratory crusher according to claim 2, is characterized in that: be provided with cut ring between the upper end of clamp nut and mantle liner plate.
5. rolling bearing gyratory crusher according to claim 4, is characterized in that: be also provided with protective cap above clamp nut.
6. rolling bearing gyratory crusher according to claim 1, it is characterized in that: outside described upper axial thrust bearing, be also provided with sealing device, sealing device comprises the upper sealing ring being fixed on movable cone lower surface, and be fixed on the lower sealing ring of upper surface, axle sleeve outer ring of excentric sleeve, tight sealing engagement between upper sealing ring and lower sealing ring.
7. rolling bearing gyratory crusher according to claim 1, is characterized in that: the eccentric bottom central through hole of excentric sleeve is positive heart through hole.
8. rolling bearing gyratory crusher according to claim 7, it is characterized in that: the shaft coupling shoulder hole in described excentric sleeve is communicated by thin oil passage with between upper bearing (metal) groove, lower bearing groove, eccentric bottom central through hole, and lower bearing groove is communicated by thin oil passage with between eccentric bottom central through hole, upper bearing (metal) groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058573.XU CN204448129U (en) | 2015-01-28 | 2015-01-28 | Rolling bearing gyratory crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058573.XU CN204448129U (en) | 2015-01-28 | 2015-01-28 | Rolling bearing gyratory crusher |
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| CN204448129U true CN204448129U (en) | 2015-07-08 |
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| CN201520058573.XU Active CN204448129U (en) | 2015-01-28 | 2015-01-28 | Rolling bearing gyratory crusher |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549633A (en) * | 2015-01-28 | 2015-04-29 | 浙江浙矿重工股份有限公司 | Rolling bearing cone crusher |
| CN105080637A (en) * | 2015-09-16 | 2015-11-25 | 鞍钢集团矿业公司 | Heat preservation and heating system and method adopted before preassembling of liner plate of crusher dynamic cone |
| CN106984381A (en) * | 2016-01-21 | 2017-07-28 | 肖艳芳 | A kind of cam and gear integrate drive cone stone crusher |
| CN112275366A (en) * | 2020-12-03 | 2021-01-29 | 禹州明旭铸业科技有限公司 | Novel split type supporting sleeve of cone crusher and using method thereof |
-
2015
- 2015-01-28 CN CN201520058573.XU patent/CN204448129U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549633A (en) * | 2015-01-28 | 2015-04-29 | 浙江浙矿重工股份有限公司 | Rolling bearing cone crusher |
| CN105080637A (en) * | 2015-09-16 | 2015-11-25 | 鞍钢集团矿业公司 | Heat preservation and heating system and method adopted before preassembling of liner plate of crusher dynamic cone |
| CN106984381A (en) * | 2016-01-21 | 2017-07-28 | 肖艳芳 | A kind of cam and gear integrate drive cone stone crusher |
| CN112275366A (en) * | 2020-12-03 | 2021-01-29 | 禹州明旭铸业科技有限公司 | Novel split type supporting sleeve of cone crusher and using method thereof |
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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: 313103 huicheling Industrial Park, Heping Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG ZHE KUANG HEAVY INDUSTRIES Co.,Ltd. |