CN104646097A - Mobile jaw set of jaw crusher - Google Patents

Mobile jaw set of jaw crusher Download PDF

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Publication number
CN104646097A
CN104646097A CN201510085518.4A CN201510085518A CN104646097A CN 104646097 A CN104646097 A CN 104646097A CN 201510085518 A CN201510085518 A CN 201510085518A CN 104646097 A CN104646097 A CN 104646097A
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China
Prior art keywords
dynamic
dynamic jaw
jaw
liner plate
withdrawal sleeve
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CN201510085518.4A
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Chinese (zh)
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CN104646097B (en
Inventor
陈连方
陈利华
赵孟军
李国强
陈炳敏
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Zhejiang mining heavy industry Co.,Ltd.
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Zhejiang Zhekuang Heavy Industry Co Ltd
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Priority to CN201510085518.4A priority Critical patent/CN104646097B/en
Publication of CN104646097A publication Critical patent/CN104646097A/en
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Publication of CN104646097B publication Critical patent/CN104646097B/en
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Abstract

The invention relates to the field of mining equipment, and in particular relates to a mobile jaw set of a jaw crusher. The mobile jaw set of the jaw crusher comprises a mobile jaw body, a mobile jaw lining plate, a mobile jaw shaft assembly and a support bearing block, wherein the mobile jaw lining plate is arranged on the mobile jaw body; the mobile jaw shaft assembly is arranged in the mobile jaw body in a penetrating manner; and the support bearing block is used for positioning the mobile jaw shaft assembly. The mobile jaw set is convenient to dismantle and assemble and has a damping effect.

Description

A kind of dynamic jaw group of jaw crusher
Technical field
The present invention relates to mining equiment field, particularly relate to a kind of dynamic jaw group of jaw crusher.
Background technology
Jaw crusher is a kind of mining machinery for broken building stones, and its principle moves jaw group and determine mutually to be engaged between jaw frame by being arranged in frame, two jaw movements of simulated animal, thus carry out crushing operation to material.Dynamic jaw group on existing jaw crusher comprises dynamic gnathosoma, dynamic jaw shaft assembly, dynamic jaw liner plate 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 jaw liner plate is arranged on dynamic gnathosoma; There is the weak point of following two aspects in the jaw crusher of said structure: 1, 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.2, dynamic jaw liner plate is rigidly attached on dynamic gnathosoma; During broken building stones, dynamic jaw liner plate is squeezed and can produces sharp pounding, does not possess damping effect owing to being rigidly connected, and therefore body vibrations are easy to the jaw swing affecting dynamic jaw group, thus affect the crushing efficiency of equipment.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of dynamic jaw group of jaw crusher, these dynamic jaw assembly and disassembly facilitate and have damping effect.
In order to realize above-mentioned object, present invention employs following technical scheme:
A dynamic jaw group for jaw crusher, comprises dynamic gnathosoma, and is arranged on the dynamic jaw liner plate on 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 the dynamic jaw axis hole port of dynamic gnathosoma, 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;
Described dynamic jaw liner plate is fastened on dynamic gnathosoma by dynamic jaw syndeton, and dynamic jaw syndeton comprises dynamic jaw liner plate voussoir, dynamic jaw bolt, dynamic jaw nut, spring base, plain washer and disk spring; Described dynamic jaw bolt is located on dynamic gnathosoma, and dynamic jaw bolt outer end and dynamic jaw liner plate voussoir are connected and fixed, and moves inclined-plane between jaw liner plate voussoir and dynamic jaw liner plate and offsets; The inner end of dynamic jaw bolt is arranged with spring base, plain washer and dynamic jaw nut from the inside to the outside successively, and disk spring is arranged in spring base, and outer end and the plain washer of disk spring offset.
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.
As preferably, described dynamic jaw liner plate is also provided with dynamic jaw and compresses voussoir, inner end and the dynamic jaw liner plate inclined-plane of dynamic jaw compression voussoir offset, and outer end and the dynamic jaw liner plate voussoir inclined-plane of dynamic jaw compression voussoir offset; By the positioning pressure of the dynamic jaw liner plate voussoir of dynamic jaw compression voussoir dispersion, thus it is more stable, firm that dynamic jaw liner plate is connected.
As preferably, the two ends up and down of described dynamic jaw liner plate are all fastened on dynamic gnathosoma by dynamic jaw syndeton; The object of the dynamic jaw liner plate in location is reached by the two ends up and down of fixing dynamic jaw liner plate.
As preferably, described dynamic jaw liner plate is two pieces, and two blocks of dynamic jaw liner plates are successively set on dynamic gnathosoma from top to bottom; The joint of two blocks of dynamic jaw liner plates is connected and fixed by same dynamic jaw syndeton, the cross section of the dynamic jaw liner plate voussoir in dynamic jaw syndeton is trapezoidal, the inclined-plane, bottom that jaw liner plate is moved in the upper end of dynamic jaw liner plate voussoir and upside offsets, and the inclined-plane, upper end that jaw liner plate is moved in the lower end of dynamic jaw liner plate voussoir and downside offsets; In actual use, if equipment type is excessive, need two blocks of dynamic jaw liner plates to arrange up and down, the dynamic jaw syndeton at middle part can locate the dynamic jaw liner plate of upper and lower both sides simultaneously, thus decreases connection complexity.
The present invention adopts technique scheme, the dynamic jaw group of this jaw crusher has the advantage of following two aspects: 1, withdrawal sleeve is provided with between outside self-aligning roller bearing on dynamic jaw shaft assembly and eccentric shaft, 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.2, dynamic jaw liner plate is flexibly connected by dynamic jaw syndeton and is fixed on dynamic gnathosoma; When jaw crusher works, move and be engaged broken building stones between jaw liner plate with dynamic jaw liner plate, spring base, plain washer and disk spring in dynamic jaw syndeton cooperatively interact for reducing the vibrations transmission between dynamic jaw liner plate and dynamic gnathosoma, thus reduce the vibrations of dynamic jaw group, ensure that device security is produced.
Accompanying drawing explanation
Fig. 1 is structure sectional view one 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.
Fig. 5 is structure sectional view two of the present invention.
Fig. 6 is the schematic diagram of jaw syndeton.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the invention are described in further detail.
The dynamic jaw group of a kind of jaw crusher as shown in Fig. 1 ~ Fig. 6, comprises dynamic gnathosoma 52, and is arranged on the dynamic jaw liner plate 53 on dynamic gnathosoma, and is located in the dynamic jaw shaft assembly of dynamic gnathosoma inside, and for locating the supporting shaft holder 51 of dynamic jaw shaft assembly.
Below each important feature segmentation of dynamic jaw group is described:
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.
dynamic jaw liner plate:
Described dynamic jaw liner plate 53 is fastened on dynamic gnathosoma 52 by dynamic jaw syndeton, and dynamic jaw syndeton comprises dynamic jaw liner plate voussoir 531, dynamic jaw bolt 532, dynamic jaw nut 533, rubber washer 534, spring base 535, plain washer 536 and disk spring 537.Described dynamic jaw bolt 532 is located on dynamic gnathosoma 52, and dynamic jaw bolt 532 outer end and dynamic jaw liner plate voussoir 531 are connected and fixed, and moves inclined-plane between jaw liner plate voussoir 531 and dynamic jaw liner plate 53 and offsets; In addition, move on jaw liner plate 53 and can also be provided with dynamic jaw compression voussoir 538, inner end and dynamic jaw liner plate 53 inclined-plane of dynamic jaw compression voussoir 538 offset, and outer end and dynamic jaw liner plate voussoir 531 inclined-plane of dynamic jaw compression voussoir 538 offset; Compressed the positioning pressure of the dynamic jaw liner plate voussoir 531 of voussoir 538 dispersion by dynamic jaw, thus it is more stable, firm that dynamic jaw liner plate 53 is connected.The inner end of described dynamic jaw bolt 532 is arranged with rubber washer 534, spring base 535, plain washer 536 and dynamic jaw nut 533 from the inside to the outside successively, disk spring 537 is arranged in spring base 535, outer end and the plain washer 536 of disk spring 537 offset, cooperatively interact for reducing the vibrations transmission between dynamic jaw liner plate 53 and dynamic gnathosoma 52 by spring base 535, plain washer 536 and disk spring 537, thus reduce the vibrations of dynamic jaw group, ensure that device security is produced.
During installation, the two ends up and down of dynamic jaw liner plate 53 are all fastened on dynamic gnathosoma 52 by dynamic jaw syndeton; By the dynamic jaw liner plate 53 in location, two ends up and down of fixing dynamic jaw liner plate 53; And if equipment type is excessive, two blocks of dynamic jaw liner plates, 53, two blocks of dynamic jaw liner plates 53 are needed to be successively set on dynamic gnathosoma 52 from top to bottom; The joint of two blocks of dynamic jaw liner plates 53 is connected and fixed by same dynamic jaw syndeton, the cross section of the dynamic jaw liner plate voussoir 531 in dynamic jaw syndeton is trapezoidal, the inclined-plane, bottom that jaw liner plate 53 is moved in the upper end of dynamic jaw liner plate voussoir 531 and upside offsets, the inclined-plane, upper end that jaw liner plate 53 is moved in the lower end of dynamic jaw liner plate voussoir 531 and downside offsets, and this construction reduces connection complexity.

Claims (10)

1. a dynamic jaw group for jaw crusher, comprises dynamic gnathosoma, and is arranged on the dynamic jaw liner plate on 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 the dynamic jaw axis hole port of dynamic gnathosoma, 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;
Described dynamic jaw liner plate is fastened on dynamic gnathosoma by dynamic jaw syndeton, and dynamic jaw syndeton comprises dynamic jaw liner plate voussoir, dynamic jaw bolt, dynamic jaw nut, spring base, plain washer and disk spring; Described dynamic jaw bolt is located on dynamic gnathosoma, and dynamic jaw bolt outer end and dynamic jaw liner plate voussoir are connected and fixed, and moves inclined-plane between jaw liner plate voussoir and dynamic jaw liner plate and offsets; The inner end of dynamic jaw bolt is arranged with spring base, plain washer and dynamic jaw nut from the inside to the outside successively, and disk spring is arranged in spring base, and outer end and the plain washer of disk spring offset.
2. the dynamic jaw group of 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 of 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 of 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 of 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 of 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 of a kind of jaw crusher according to claim 6, it 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, 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.
8. the dynamic jaw group of a kind of jaw crusher according to claim 1, it is characterized in that: described dynamic jaw liner plate is also provided with dynamic jaw and compresses voussoir, inner end and the dynamic jaw liner plate inclined-plane of dynamic jaw compression voussoir offset, and outer end and the dynamic jaw liner plate voussoir inclined-plane of dynamic jaw compression voussoir offset.
9. the dynamic jaw group of a kind of jaw crusher according to claim 1, is characterized in that: the two ends up and down of described dynamic jaw liner plate are all fastened on dynamic gnathosoma by dynamic jaw syndeton.
10. the dynamic jaw group of a kind of jaw crusher according to claim 9, is characterized in that: described dynamic jaw liner plate is two pieces, and two blocks of dynamic jaw liner plates are successively set on dynamic gnathosoma from top to bottom; The joint of two blocks of dynamic jaw liner plates is connected and fixed by same dynamic jaw syndeton, the cross section of the dynamic jaw liner plate voussoir in dynamic jaw syndeton is trapezoidal, the inclined-plane, bottom that jaw liner plate is moved in the upper end of dynamic jaw liner plate voussoir and upside offsets, and the inclined-plane, upper end that jaw liner plate is moved in the lower end of dynamic jaw liner plate voussoir and downside offsets.
CN201510085518.4A 2015-02-16 2015-02-16 A kind of dynamic jaw group of jaw crusher Active CN104646097B (en)

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Publication number Priority date Publication date Assignee Title
CN104984781A (en) * 2015-07-17 2015-10-21 中国铁建重工集团有限公司 Movable jaw assembly of mud pipeline crusher in shield tunneling machine

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Publication number Priority date Publication date Assignee Title
CN104984781A (en) * 2015-07-17 2015-10-21 中国铁建重工集团有限公司 Movable jaw assembly of mud pipeline crusher in shield tunneling machine
CN104984781B (en) * 2015-07-17 2018-05-25 中国铁建重工集团有限公司 The dynamic jaw component of mud channel crusher in a kind of shield machine

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