CN104646096A - Movable jaw group on jaw crusher - Google Patents
Movable jaw group on jaw crusher Download PDFInfo
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- CN104646096A CN104646096A CN201510085314.0A CN201510085314A CN104646096A CN 104646096 A CN104646096 A CN 104646096A CN 201510085314 A CN201510085314 A CN 201510085314A CN 104646096 A CN104646096 A CN 104646096A
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- Prior art keywords
- withdrawal sleeve
- oil sump
- roller bearing
- aligning roller
- dynamic
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Abstract
The invention relates to the field of mining equipment and in particular relates to a movable jaw group on a jaw crusher. A movable jaw body on the movable jaw group is erected on a supporting bearing block by virtue of a movable jaw shaft assembly, specifically, an eccentric shaft on the movable jaw shaft assembly is positioned by an inner self-aligning roller bearing to penetrate through the movable jaw body and is positioned and erected on the supporting bearing block by virtue of an outer self-aligning roller bearing; a withdrawal sleeve is arranged between the outer self-aligning roller bearing and the eccentric shaft; the outer self-aligning roller bearing and the eccentric shaft are supported and connected by virtue of the withdrawal sleeve, and a wheel-side sealing ring is fixedly connected; and during installation, the withdrawal sleeve can be hydraulically pressed by a tool, and during detachment, the withdrawal sleeve can be rapidly withdrawn by virtue of an oil-injection method, so that rapid detachment among the outer self-aligning roller bearing, the wheel-side sealing ring and the eccentric shaft can be realized, namely rapid detachment of the movable jaw group is realized, and daily maintenance of the movable jaw group is promoted.
Description
Technical field
The present invention relates to mining equiment field, particularly relate to the dynamic jaw group on a kind of jaw crusher.
Background technology
Jaw crusher is a kind of mining machinery for broken building stones, and its principle is by being arranged on dynamic jaw group in frame and determining mutually to be engaged between jaw frame, two jaw movements of simulated animal, thus carries out crushing operation to material.Dynamic jaw group on existing jaw crusher comprises dynamic gnathosoma, dynamic jaw shaft assembly and supporting shaft holder, and supporting shaft holder is fixed in frame, and dynamic gnathosoma is erected on supporting shaft holder by dynamic jaw shaft assembly, and dynamic gnathosoma is provided with dynamic jaw liner plate; But in existing structure, dynamic between jaw shaft assembly and supporting shaft holder assembling process complicated and dismounting is inconvenient, be embodied in bearing in dynamic jaw shaft assembly and sealing ring is all be set on eccentric shaft by interference after preheating, not only manufacturing procedure is complicated but also dismounting inconvenience, causes the regular maintenance of dynamic jaw group to bother.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide the dynamic jaw group on a kind of jaw crusher, this dynamic jaw group is convenient to dismounting, maintenance.
In order to realize above-mentioned object, present invention employs following technical scheme:
A dynamic jaw group on jaw crusher, comprises dynamic gnathosoma, and is located in the dynamic jaw shaft assembly of dynamic gnathosoma inside, and for locating the supporting shaft holder of dynamic jaw shaft assembly; Described dynamic jaw shaft assembly comprises eccentric shaft, and for the inside self-aligning roller bearing of positioning eccentric shaft and outside self-aligning roller bearing; Described dynamic gnathosoma is provided with dynamic jaw axis hole, inner self-aligning roller bearing location and installation is in dynamic jaw axis hole port, the inner side of inner self-aligning roller bearing is provided with oil scraper ring, is provided with inner bearing end cap, is provided with inner seal ring between inner bearing end cap and eccentric shaft outside inner self-aligning roller bearing; Described outside self-aligning roller bearing passes through outer bearing end cap location and installation in supporting shaft holder, between outside self-aligning roller bearing and eccentric shaft, also interference is provided with withdrawal sleeve, the outer side surface of withdrawal sleeve is the cylindrical surface matched with outside self-aligning roller bearing, and the interior sidewall surface of withdrawal sleeve is the conical ring face matched with eccentric shaft; Also be provided with between described outer bearing end cap and withdrawal sleeve and take turns side seal ring, wheel side seal ring and withdrawal sleeve end are connected and fixed, and take turns side seal ring and mate with outer bearing end cap and seal.
As preferably, the both ends of described eccentric shaft are respectively equipped with dynamic chin strap wheel and counter-weight flywheel.
As preferably, described withdrawal sleeve is by connecting portion and move back the portion of unloading and integrally connect and compose, and the connecting portion lateral surface of withdrawal sleeve is provided with T-shaped external screw thread; Described ring body medial surface of taking turns side seal ring is provided with T-shaped internal thread, and withdrawal sleeve is threaded with wheel side seal ring, makes it connect more firm.
As preferably, the connecting portion end face of described withdrawal sleeve is provided with multiple withdrawal sleeve location semicircle orifice, and multiple withdrawal sleeve location semicircle orifice is arranged along the circumferential direction rule of connecting portion end face; The ring body end face of wheel side seal ring is provided with multiple sealing ring location semicircle orifice along ring body center rule; Described withdrawal sleeve location semicircle orifice and sealing ring are located semicircle orifice and are mated and form positioning round orifice, are provided with alignment pin in positioning round orifice; Namely reinforce the connection between withdrawal sleeve and wheel side seal ring by positioning round orifice and detent fit, prevent its circumference from loosening.
As preferably, described positioning round orifice has three at least.
As preferably, moving back in the portion of unloading of described withdrawal sleeve offers outer oil sump, inner oil sump and strip groove, outer oil sump is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload on portion's outer side surface, and inner oil sump is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload in portion's interior sidewall surface; Described strip groove runs through both sides inside and outside withdrawal sleeve sidewall, and the one end open of strip groove is opened in moves back on the end face in the portion of unloading, and strip groove does not all communicate with outer oil sump, inner oil sump; The connecting portion end face of described withdrawal sleeve is provided with inner oil sump import and outer oil sump import, and inner oil sump import communicates with the passage of inner oil sump by withdrawal sleeve interior, and outer oil sump import communicates with the passage of outer oil sump by withdrawal sleeve interior; During dismounting, need simultaneously toward oiling in inner oil sump import, outer oil sump import, hydraulic oil infiltrates into the whole interior sidewall surface of withdrawal sleeve and whole outer side surface respectively by inner oil sump and outer oil sump, and promotes withdrawal sleeve outward gradually, and final withdrawal sleeve exits under being subject to the effect of internal hydraulic pressure thrust outward; Under this structure, the permeability of hydraulic oil is strong, withdrawal sleeve move back unload effective.
As preferably, the width in the middle part of outer oil sump and the degree of depth are all greater than width and the degree of depth at its both ends, and the width in the middle part of inner oil sump and the degree of depth are all greater than width and the degree of depth at its both ends; Move back when unloading, hydraulic oil is injected in the middle part of oil groove and (comprises outer oil sump and inner oil sump), and flows toward oil groove both ends gradually, and narrow because both ends shoal gradually, hydraulic oil can flow out oil groove and permeate on the frock face of withdrawal sleeve, and osmotic effect like this is better, moves back and unloads better effects if.
The present invention adopts technique scheme, dynamic gnathosoma in this dynamic jaw group is erected on supporting shaft holder by dynamic jaw shaft assembly, eccentric shaft specifically on dynamic jaw shaft assembly is located through dynamic gnathosoma by inner self-aligning roller bearing, by outside self-aligning roller bearing location erection supporting shaft holder; Wherein, between outside self-aligning roller bearing and eccentric shaft, be provided with withdrawal sleeve, connect outside self-aligning roller bearing and eccentric shaft by withdrawal sleeve supporting, and be connected and fixed wheel side seal ring; During installation, by frock hydraulic pressure press-in withdrawal sleeve; During dismounting, by creosoting process, withdrawal sleeve is exited fast; Thus realize outside self-aligning roller bearing, fast assembling-disassembling between wheel side seal ring and eccentric shaft, namely the fast assembling-disassembling of dynamic jaw group, is convenient to the regular maintenance of dynamic jaw group.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of withdrawal sleeve.
Fig. 4 is the structural representation of wheel side seal ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the invention are described in further detail.
Dynamic jaw group on a kind of jaw crusher as described in Fig. 1 ~ Fig. 4, comprises dynamic gnathosoma 52, and is located in the dynamic jaw shaft assembly of dynamic gnathosoma 52 inside, and for locating the supporting shaft holder 51 of dynamic jaw shaft assembly.Described dynamic jaw shaft assembly comprises eccentric shaft 56, and for the inside self-aligning roller bearing 57 of positioning eccentric shaft 56 and outside self-aligning roller bearing 58, the both ends of eccentric shaft 56 are respectively equipped with dynamic chin strap wheel 54 and counter-weight flywheel 55.Described dynamic gnathosoma 52 is provided with dynamic jaw axis hole 521, inner self-aligning roller bearing 57 location and installation is in dynamic jaw axis hole 521 port, the inner side of inner self-aligning roller bearing 57 is provided with oil scraper ring 572, be provided with inner bearing end cap 571 outside inner self-aligning roller bearing 57, between inner bearing end cap 571 and eccentric shaft 56, be provided with inner seal ring 573.Described outside self-aligning roller bearing 58 passes through outer bearing end cap 581 location and installation in supporting shaft holder 51, between outside self-aligning roller bearing 58 and eccentric shaft 56, also interference is provided with withdrawal sleeve 59, the outer side surface of withdrawal sleeve 59 is the cylindrical surface matched with outside self-aligning roller bearing 58, and the interior sidewall surface of withdrawal sleeve 59 is the conical ring face matched with eccentric shaft 56; Also be provided with between described outer bearing end cap 581 and withdrawal sleeve 59 and take turns side seal ring 50, wheel side seal ring 50 is connected and fixed with withdrawal sleeve 59 end thread, and wheel side seal ring 50 mates with outer bearing end cap 581 and seals.The dynamic jaw group of said structure when mounted, is pressed into withdrawal sleeve by frock hydraulic pressure; During dismounting, by creosoting process, withdrawal sleeve is exited fast; Thus realize outside self-aligning roller bearing, fast assembling-disassembling between wheel side seal ring and eccentric shaft, namely the fast assembling-disassembling of dynamic jaw group, is convenient to the regular maintenance of dynamic jaw group.
Described withdrawal sleeve 59 is by connecting portion 59a and move back the portion 59b of unloading and integrally connect and compose.The moving back to unload on portion 59b of withdrawal sleeve offers outer oil sump 591, inner oil sump 592 and strip groove 593, outer oil sump 591 is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload on portion 59b outer side surface, and the width in the middle part of outer oil sump 591 and the degree of depth are all greater than width and the degree of depth at its both ends; Inner oil sump 592 is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload in portion 59b interior sidewall surface, and the width in the middle part of inner oil sump 592 and the degree of depth are all greater than width and the degree of depth at its both ends.Described strip groove 593 runs through both sides inside and outside withdrawal sleeve sidewall, the one end open of strip groove 593 is opened on the end face that moves back and unload portion 59b, strip groove 593 does not all communicate with outer oil sump 591, inner oil sump 592, and the strip groove 593 on withdrawal sleeve is for coordinating self-aligning roller bearing with axle tensioner.
The connecting portion 59a lateral surface of described withdrawal sleeve is provided with T-shaped external screw thread, and the connecting portion 59a end face of withdrawal sleeve is provided with inner oil sump import 594, outer oil sump import 595 and multiple withdrawal sleeve location semicircle orifice 596; Inner oil sump import 594 communicates with the passage of inner oil sump 592 by withdrawal sleeve interior, and outer oil sump import 595 communicates with the passage of outer oil sump 591 by withdrawal sleeve interior; Multiple withdrawal sleeve location semicircle orifice 596 is arranged along the circumferential direction rule of connecting portion 59a end face.Move back when unloading, injection liquid force feed when inner oil sump import 594 and outer oil sump import 595 are unloaded for moving back, hydraulic oil is injected in the middle part of oil groove and (comprises outer oil sump 591 and inner oil sump 592), and flow toward oil groove both ends gradually, and narrow because both ends shoal gradually, hydraulic oil can flow out oil groove and permeate on the frock face of withdrawal sleeve, and promotes withdrawal sleeve outward gradually, and final withdrawal sleeve exits under being subject to the effect of internal hydraulic pressure thrust outward.
Described side seal ring 50 of taking turns is divided into linking part 50a and sealing 50b, and sealing 50b is integrally connected on the outer side surface of linking part 50a, and sealing 50b is provided with sealing labyrinth groove 501; Sealing labyrinth groove 501 on sealing 50b forms multiple throttling seal groove, and during use, sealed medium produces throttle effect when the gap by tortuous labyrinth and reaches sealing effectiveness.The ring body medial surface of described linking part 50a offers T-shaped internal thread 502, and T-shaped internal thread 502 is for being connected and fixed wheel side seal ring 50; The ring body end face of linking part 50a is provided with multiple sealing ring location semicircle orifice 503, multiple sealing ring location semicircle orifice 503 is circumferentially arranged along the ring body end face of linking part 50a, and the openend of sealing ring location semicircle orifice 503 is opened on the ring body medial surface of linking part 50a.
During assembling, the T-shaped external screw thread on withdrawal sleeve 59 mutually mates with the T-shaped internal thread 502 on wheel side seal ring 50, is threaded; And withdrawal sleeve location semicircle orifice 596 and sealing ring are located semicircle orifice 503 and are mated and form positioning round orifice, and positioning round orifice has three at least, is provided with alignment pin in positioning round orifice, prevents circumference between the two loosening by bearing pin.
Claims (7)
1. the dynamic jaw group on jaw crusher, comprises dynamic gnathosoma, and is located in the dynamic jaw shaft assembly of dynamic gnathosoma inside, and for locating the supporting shaft holder of dynamic jaw shaft assembly; It is characterized in that: described dynamic jaw shaft assembly comprises eccentric shaft, and for the inside self-aligning roller bearing of positioning eccentric shaft and outside self-aligning roller bearing; Described dynamic gnathosoma is provided with dynamic jaw axis hole, inner self-aligning roller bearing location and installation is in dynamic jaw axis hole port, the inner side of inner self-aligning roller bearing is provided with oil scraper ring, is provided with inner bearing end cap, is provided with inner seal ring between inner bearing end cap and eccentric shaft outside inner self-aligning roller bearing; Described outside self-aligning roller bearing passes through outer bearing end cap location and installation in supporting shaft holder, between outside self-aligning roller bearing and eccentric shaft, also interference is provided with withdrawal sleeve, the outer side surface of withdrawal sleeve is the cylindrical surface matched with outside self-aligning roller bearing, and the interior sidewall surface of withdrawal sleeve is the conical ring face matched with eccentric shaft; Also be provided with between described outer bearing end cap and withdrawal sleeve and take turns side seal ring, wheel side seal ring and withdrawal sleeve end are connected and fixed, and take turns side seal ring and mate with outer bearing end cap and seal.
2. the dynamic jaw group on a kind of jaw crusher according to claim 1, is characterized in that: the both ends of described eccentric shaft are respectively equipped with dynamic chin strap wheel and counter-weight flywheel.
3. the dynamic jaw group on a kind of jaw crusher according to claim 1, is characterized in that: described withdrawal sleeve is by connecting portion and move back the portion of unloading and integrally connect and compose, and the connecting portion lateral surface of withdrawal sleeve is provided with T-shaped external screw thread; Described ring body medial surface of taking turns side seal ring is provided with T-shaped internal thread, and withdrawal sleeve is threaded with wheel side seal ring.
4. the dynamic jaw group on a kind of jaw crusher according to claim 3, is characterized in that: the connecting portion end face of described withdrawal sleeve is provided with multiple withdrawal sleeve location semicircle orifice, and multiple withdrawal sleeve location semicircle orifice is arranged along the circumferential direction rule of connecting portion end face; The ring body end face of wheel side seal ring is provided with multiple sealing ring location semicircle orifice along ring body center rule; Described withdrawal sleeve location semicircle orifice and sealing ring are located semicircle orifice and are mated and form positioning round orifice, are provided with alignment pin in positioning round orifice.
5. the dynamic jaw group on a kind of jaw crusher according to claim 4, is characterized in that: described positioning round orifice has three at least.
6. the dynamic jaw group on a kind of jaw crusher according to claim 3, it is characterized in that: moving back in the portion of unloading of described withdrawal sleeve offers outer oil sump, inner oil sump and strip groove, outer oil sump is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload on portion's outer side surface, and inner oil sump is arranged on along withdrawal sleeve circumference the non-close oil groove moving back and unload in portion's interior sidewall surface; Described strip groove runs through both sides inside and outside withdrawal sleeve sidewall, and the one end open of strip groove is opened in moves back on the end face in the portion of unloading, and strip groove does not all communicate with outer oil sump, inner oil sump; The connecting portion end face of described withdrawal sleeve is provided with inner oil sump import and outer oil sump import, and inner oil sump import communicates with the passage of inner oil sump by withdrawal sleeve interior, and outer oil sump import communicates with the passage of outer oil sump by withdrawal sleeve interior.
7. the dynamic jaw group on a kind of jaw crusher according to claim 6, is characterized in that: the width in the middle part of outer oil sump and the degree of depth are all greater than width and the degree of depth at its both ends, and the width in the middle part of inner oil sump and the degree of depth are all greater than width and the degree of depth at its both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085314.0A CN104646096B (en) | 2015-02-16 | 2015-02-16 | Movable jaw group on jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085314.0A CN104646096B (en) | 2015-02-16 | 2015-02-16 | Movable jaw group on jaw crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104646096A true CN104646096A (en) | 2015-05-27 |
| CN104646096B CN104646096B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510085314.0A Active CN104646096B (en) | 2015-02-16 | 2015-02-16 | Movable jaw group on jaw crusher |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004174451A (en) * | 2002-11-28 | 2004-06-24 | Komatsu Ltd | Jaw crusher |
| CN101628247A (en) * | 2008-07-14 | 2010-01-20 | 上海建设路桥机械设备有限公司 | Jaw crusher |
| KR101018767B1 (en) * | 2010-11-15 | 2011-03-07 | 주식회사 원덕산업기계 | A jaw crusher |
| CN202962527U (en) * | 2012-12-10 | 2013-06-05 | 遵化市一超盛方重型机械厂 | Rack bearing assembling mechanism of jaw crusher |
| CN203258333U (en) * | 2013-05-16 | 2013-10-30 | 贵州万恒科技发展有限公司 | Lubricating system of eccentric main shaft bearing of jaw type breaking equipment |
| CN103480446A (en) * | 2013-09-30 | 2014-01-01 | 唐山汇力科技有限公司 | Novel jaw crusher for crushing calcium carbide at high temperature of 400 DEG C |
-
2015
- 2015-02-16 CN CN201510085314.0A patent/CN104646096B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004174451A (en) * | 2002-11-28 | 2004-06-24 | Komatsu Ltd | Jaw crusher |
| CN101628247A (en) * | 2008-07-14 | 2010-01-20 | 上海建设路桥机械设备有限公司 | Jaw crusher |
| KR101018767B1 (en) * | 2010-11-15 | 2011-03-07 | 주식회사 원덕산업기계 | A jaw crusher |
| CN202962527U (en) * | 2012-12-10 | 2013-06-05 | 遵化市一超盛方重型机械厂 | Rack bearing assembling mechanism of jaw crusher |
| CN203258333U (en) * | 2013-05-16 | 2013-10-30 | 贵州万恒科技发展有限公司 | Lubricating system of eccentric main shaft bearing of jaw type breaking equipment |
| CN103480446A (en) * | 2013-09-30 | 2014-01-01 | 唐山汇力科技有限公司 | Novel jaw crusher for crushing calcium carbide at high temperature of 400 DEG C |
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| Publication number | Publication date |
|---|---|
| CN104646096B (en) | 2017-01-11 |
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Address after: 313103 Heping Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province 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. |