CN104646096B - Movable jaw group on jaw crusher - Google Patents
Movable jaw group on jaw crusher Download PDFInfo
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- CN104646096B CN104646096B CN201510085314.0A CN201510085314A CN104646096B CN 104646096 B CN104646096 B CN 104646096B CN 201510085314 A CN201510085314 A CN 201510085314A CN 104646096 B CN104646096 B CN 104646096B
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- 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withdrawal sleeve can be hydraulically pressed by a tool, and during detachment, the withdrawal sleeve can be rapidly withdrawn by virtue of an oil-injection method, so that rapid detachment among the outer self-aligning roller bearing, the wheel-side sealing ring and the eccentric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 crushing building stones, and its principle is the dynamic jaw group by being arranged in frame and determines to be mutually twisted between jaw frame, two jaw movements of simulation animal, thus material is carried out crushing operation.Dynamic jaw group on existing jaw crusher includes 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, it is dynamic that between jaw shaft assembly and supporting shaft holder, assembling process is complicated and dismounting is inconvenient, it is embodied in the bearing in dynamic jaw shaft assembly and sealing ring is all to be set on eccentric shaft by interference after preheating, not only manufacturing procedure is complicated but also dismantle inconvenience, causes the regular maintenance trouble of dynamic jaw group.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide the dynamic jaw group on a kind of jaw crusher, this dynamic jaw group is easy to dismounting, is safeguarded.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
Dynamic jaw group on a kind of jaw crusher, including dynamic gnathosoma, and is located in the dynamic jaw shaft assembly within dynamic gnathosoma, and for positioning the supporting shaft holder of dynamic jaw shaft assembly；Described dynamic jaw shaft assembly includes eccentric shaft, and is used 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, internal self-aligning roller bearing location and installation is in dynamic jaw axis hole port, the inner side of internal 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 internal 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 in the cylindrical surface matched with outside self-aligning roller bearing, and the interior sidewall surface of withdrawal sleeve is in the conical ring face matched with eccentric shaft；Being additionally provided with wheel side seal ring between described outer bearing end cap and withdrawal sleeve, wheel side seal ring is connected fixing with withdrawal sleeve end, and wheel side seal ring mates sealing with outer bearing end cap.
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 moves back the portion of unloading and integrally connects and composes, and the connecting portion lateral surface of withdrawal sleeve is provided with T-shaped external screw thread；The described ring body medial surface taking turns side seal ring is provided with T-shaped female thread, and withdrawal sleeve is threadeded with wheel side seal ring so that it is connect the most firm.
As preferably, the connecting portion end face of described withdrawal sleeve is provided with multiple withdrawal sleeve location semicircle orifice, and multiple withdrawal sleeves location semicircle orifice is arranged along the circumferential direction rule of connecting portion end face；It is provided with multiple sealing ring location semicircle orifice along ring body center rule on the ring body end face of wheel side seal ring；Described withdrawal sleeve location semicircle orifice mates composition positioning round orifice with sealing ring location semicircle orifice, is provided with alignment pin in positioning round orifice；I.e. 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 at least three.
As preferably, moving back of described withdrawal sleeve offers outer oil sump, inner oil sump and strip groove in the portion of unloading, outer oil sump is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded on portion's outer side surface, and inner oil sump is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded in portion's interior sidewall surface；Described strip groove runs through inside and outside withdrawal sleeve sidewall, and the one end open of strip groove is opened on the end face moving back the portion of unloading, and strip groove is all not communicated 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 is communicated by the passage of withdrawal sleeve interior with inner oil sump, and outer oil sump import is communicated by the passage of withdrawal sleeve interior with outer oil sump；During dismounting, need simultaneously toward oiling in inner oil sump import, outer oil sump import, hydraulic oil is infiltrated 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 the most outward, and final withdrawal sleeve exits under the effect by internal hydraulic pressure thrust outward；Under this structure, the permeability of hydraulic oil is strong, withdrawal sleeve move back unload effective.
As preferably, width in the middle part of outer oil sump and the degree of depth are all higher than width and the degree of depth at its both ends, and width in the middle part of inner oil sump and the degree of depth are all higher than width and the degree of depth at its both ends；Moving back when unloading, hydraulic oil is injected in the middle part of oil groove and (includes outer oil sump and inner oil sump), and gradually flows toward oil groove both ends, and narrow owing to both ends gradually become shallower as, hydraulic oil can flow out oil groove and permeate toward on the frock face of withdrawal sleeve, and such osmotic effect more preferably, moves back that to unload effect more preferable.
The present invention uses technique scheme, dynamic gnathosoma in this dynamic jaw group is erected on supporting shaft holder by dynamic jaw shaft assembly, specifically move the eccentric shaft on jaw shaft assembly by internal self-aligning roller bearing location through dynamic gnathosoma, set up on supporting shaft holder by outside self-aligning roller bearing location；Wherein, between outside self-aligning roller bearing and eccentric shaft, it is provided with withdrawal sleeve, connects outside self-aligning roller bearing and eccentric shaft by withdrawal sleeve supporting, and connect fast pulley side seal ring；During installation, withdrawal sleeve can be pressed into by frock hydraulic pressure；During dismounting, by creosoting process, withdrawal sleeve quickly can be exited；Thus the fast assembling-disassembling realizing outside self-aligning roller bearing, taking turns between side seal ring and eccentric shaft, i.e. move the fast assembling-disassembling of jaw group, it is simple to the regular maintenance of dynamic jaw group.
Accompanying drawing explanation
Fig. 1 is the 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 the accompanying drawings, 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, including dynamic gnathosoma 52, and is located in the dynamic jaw shaft assembly within dynamic gnathosoma 52, and for positioning the supporting shaft holder 51 of dynamic jaw shaft assembly.Described dynamic jaw shaft assembly includes eccentric shaft 56, and is used for the inside self-aligning roller bearing 57 of positioning eccentric shaft 56 and outside self-aligning roller bearing 58, and 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, internal self-aligning roller bearing 57 location and installation is in dynamic jaw axis hole 521 port, the inner side of internal self-aligning roller bearing 57 is provided with oil scraper ring 572, it is provided with inner bearing end cap 571 outside internal self-aligning roller bearing 57, between inner bearing end cap 571 and eccentric shaft 56, is 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 in the cylindrical surface matched with outside self-aligning roller bearing 58, and the interior sidewall surface of withdrawal sleeve 59 is in the conical ring face matched with eccentric shaft 56；Being additionally provided with wheel side seal ring 50 between described outer bearing end cap 581 and withdrawal sleeve 59, wheel side seal ring 50 is connected fixing with withdrawal sleeve 59 end thread, and wheel side seal ring 50 mates sealing with outer bearing end cap 581.The dynamic jaw group of said structure when mounted, can be pressed into withdrawal sleeve by frock hydraulic pressure；During dismounting, by creosoting process, withdrawal sleeve quickly can be exited；Thus the fast assembling-disassembling realizing outside self-aligning roller bearing, taking turns between side seal ring and eccentric shaft, i.e. move the fast assembling-disassembling of jaw group, it is simple to the regular maintenance of dynamic jaw group.
Described withdrawal sleeve 59 is by connecting portion 59a and moves back the portion 59b of unloading and integrally connects and composes.The moving back to unload of withdrawal sleeve offers outer oil sump 591, inner oil sump 592 and strip groove 593 on portion 59b, outer oil sump 591 is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded on portion's 59b outer side surface, and width in the middle part of outer oil sump 591 and the degree of depth are all higher than width and the degree of depth at its both ends；Inner oil sump 592 is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded in portion's 59b interior sidewall surface, and width in the middle part of inner oil sump 592 and the degree of depth are all higher than width and the degree of depth at its both ends.Described strip groove 593 runs through inside and outside withdrawal sleeve sidewall, the one end open of strip groove 593 is opened in moves back on the end face unloading portion 59b, strip groove 593 is all not communicated 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 is communicated by the passage of withdrawal sleeve interior with inner oil sump 592, and outer oil sump import 595 is communicated by the passage of withdrawal sleeve interior with outer oil sump 591；Multiple withdrawal sleeves location semicircle orifice 596 is arranged along the circumferential direction rule of connecting portion 59a end face.Move back when unloading, inner oil sump import 594 and outer oil sump import 595 are used for moving back injection hydraulic oil when unloading, hydraulic oil is injected in the middle part of oil groove and (includes outer oil sump 591 and inner oil sump 592), and gradually flow toward oil groove both ends, and narrow owing to both ends gradually become shallower as, hydraulic oil can flow out oil groove and permeate on the frock face of withdrawal sleeve, and promotes withdrawal sleeve the most outward, and final withdrawal sleeve exits under the effect by internal hydraulic pressure thrust outward.
Described side seal ring 50 of taking turns is divided into linking part 50a and sealing 50b, sealing 50b to be integrally attached 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 constitutes multiple throttling seal groove, and during use, sealed medium produces throttle effect when by the gap in tortuous labyrinth and reaches sealing effectiveness.Offering T-shaped female thread 502 on the ring body medial surface of described linking part 50a, T-shaped female thread 502 is used for connecting fast pulley 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 rings location semicircle orifice 503 is circumferentially arranged along the ring body end face of linking part 50a, and the opening 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 is mutually matched with the T-shaped female thread 502 on wheel side seal ring 50, threadeds；And withdrawal sleeve location semicircle orifice 596 mates composition positioning round orifice, positioning round orifice at least three with sealing ring location semicircle orifice 503, is provided with alignment pin in positioning round orifice, prevents circumference between the two from loosening by bearing pin.
Claims (2)
1. the dynamic jaw group on jaw crusher, including dynamic gnathosoma, and is located in the dynamic jaw shaft assembly within dynamic gnathosoma, and for positioning the supporting shaft holder of dynamic jaw shaft assembly；It is characterized in that: described dynamic jaw shaft assembly includes eccentric shaft, and is used 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, internal self-aligning roller bearing location and installation is in dynamic jaw axis hole port, the inner side of internal 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 internal 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 in the cylindrical surface matched with outside self-aligning roller bearing, and the interior sidewall surface of withdrawal sleeve is in the conical ring face matched with eccentric shaft；Described withdrawal sleeve is by connecting portion and moves back the portion of unloading and integrally connects and composes, and the connecting portion lateral surface of withdrawal sleeve is provided with T-shaped external screw thread；The connecting portion end face of withdrawal sleeve is provided with multiple withdrawal sleeve location semicircle orifice, and multiple withdrawal sleeves location semicircle orifice is arranged along the circumferential direction rule of connecting portion end face；Moving back of described withdrawal sleeve offers outer oil sump, inner oil sump and strip groove in the portion of unloading, outer oil sump is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded on portion's outer side surface, and width in the middle part of outer oil sump and the degree of depth are all higher than width and the degree of depth at its both ends；Inner oil sump is to be circumferentially provided on along withdrawal sleeve to move back the non-close oil groove unloaded in portion's interior sidewall surface, and width in the middle part of inner oil sump and the degree of depth are all higher than width and the degree of depth at its both ends；Described strip groove runs through inside and outside withdrawal sleeve sidewall, and the one end open of strip groove is opened on the end face moving back the portion of unloading, and strip groove is all not communicated 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 is communicated by the passage of withdrawal sleeve interior with inner oil sump, and outer oil sump import is communicated by the passage of withdrawal sleeve interior with outer oil sump；
Being additionally provided with wheel side seal ring between described withdrawal sleeve and outer bearing end cap, the ring body medial surface of wheel side seal ring is provided with T-shaped female thread, and withdrawal sleeve is threadeded fixing with wheel side seal ring, and wheel side seal ring mates sealing with outer bearing end cap；It is provided with multiple sealing ring location semicircle orifice along ring body center rule on the described ring body end face taking turns side seal ring；Described withdrawal sleeve location semicircle orifice mates composition positioning round orifice, positioning round orifice at least three with sealing ring location semicircle orifice, is provided with alignment pin in positioning round orifice.
Dynamic jaw group on a kind of jaw crusher the most according to claim 1, it is characterised in that: the both ends of described eccentric shaft are respectively equipped with dynamic chin strap wheel and counter-weight flywheel.
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 CN104646096A (en) | 2015-05-27 |
| CN104646096B true CN104646096B (en) | 2017-01-11 |
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ID=53238027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510085314.0A Active CN104646096B (en) | 2015-02-16 | 2015-02-16 | Movable jaw group on jaw crusher |
Country Status (1)
| Country | Link |
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| CN (1) | CN104646096B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4098605B2 (en) * | 2002-11-28 | 2008-06-11 | 株式会社小松製作所 | 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 |
| CN103480446B (en) * | 2013-09-30 | 2015-06-17 | 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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2015
- 2015-02-16 CN CN201510085314.0A patent/CN104646096B/en active Active
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| Publication number | Publication date |
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| CN104646096A (en) | 2015-05-27 |
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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. |
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| CP03 | Change of name, title or address |