CN104525303B - A kind of cone crusher - Google Patents

A kind of cone crusher Download PDF

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Publication number
CN104525303B
CN104525303B CN201410851376.3A CN201410851376A CN104525303B CN 104525303 B CN104525303 B CN 104525303B CN 201410851376 A CN201410851376 A CN 201410851376A CN 104525303 B CN104525303 B CN 104525303B
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China
Prior art keywords
bearing
eccentric
dust
main shaft
mantle
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CN104525303A (en
Inventor
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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Abstract

The present invention relates to mining equiment field, particularly relate to a kind of cone crusher.A kind of cone crusher, including frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame;Described eccentric stiffener is connected with drive mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group;The eccentric stiffener good dustproof effect of this cone crusher, and sufficient lubrication can be obtained.

Description

A kind of cone crusher
Technical field
The present invention relates to mining equiment field, particularly relate to a kind of cone crusher.
Background technology
Gyratory crusher is a kind of mining machinery for crushing building stones, and its operation principle is to drive mantle main shaft group swing campaign by eccentric stiffener, mantle main shaft group and determine cone and cooperate broken building stones.The eccentric stiffener of existing gyratory crusher includes bearing block and eccentric bushing, and eccentric bushing is positioned in bearing block by bearing, and the lower end of mantle main shaft group is positioned in eccentric bushing by bearing;When equipment runs, need in eccentric stiffener to carry out oil-way lubrication and dust protection;But, following 2 weak points of existing gyratory crusher existence: 1, the dust-proof effect of eccentric stiffener is the best, particularly when mantle main shaft group moves axially to adjust crusher chamber size, existing dust preventing component cannot adjust therewith, thus during adjusting crusher chamber size, eccentric stiffener is prone to press from both sides dirt, the equipment that affects produces.2, the profit oil passage of gyratory crusher arranges unreasonable, causes eccentric stiffener degree of lubrication not enough, the phenomenons such as main shaft locking easily occurs.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of cone crusher, the eccentric stiffener good dustproof effect of this cone crusher, and sufficient lubrication can be obtained.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of cone crusher, including frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame;Described eccentric stiffener is connected with drive mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group;Described eccentric stiffener includes bearing block, and the eccentric bushing being arranged in bearing block;Mantle main shaft group includes main shaft, and is set in the movable cone outside main shaft;The lower end of described movable cone is provided with dustproof groove, and the lower end of dustproof groove sets the dust-proof draw-in groove communicated therewith, and the movable cone of dust-proof draw-in groove lower end is additionally provided with dust ring baffle ring;It is provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component includes the dust proof tube being fixed on bearing block, and it is set in the dust ring in the outside of dust proof tube, the upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring;The outer side surface of described frame is provided with fuel feed hole, and frame lower end is provided with on oil return pipe, bearing block and dust proof tube and all offers the profit oil passage being sequentially communicated, and dust proof tube is further opened with the first oil outlet and the second oil outlet that the profit oil passage internal with it communicates;Described fuel feed hole is communicated by oil pipe and profit oil passage, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block.
As preferably, the bearing block inner top side of described eccentric stiffener is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is additionally provided with bearing spacer ring between upper location bearing and lower location bearing;Described eccentric bushing is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top the most successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is respectively less than the diameter of outer side surface in the middle part of bias;Bottom the positive heart of described eccentric bushing, location and installation is in the bearing of lower location, and eccentric top location and installation is in the bearing of upper location, and in the middle part of bias, location and installation is in bearing spacer ring.Under this structure, on the one hand, positioned the circumferential stress that can stablize the upper and lower both sides of eccentric bushing by upper location bearing and lower location bearing, prevent its circumference from skidding;On the other hand, upper location bearing, lower location bearing are used for axial location eccentricity set, prevent eccentric bushing from occurring the most dynamic;Circumferential stress and axially loaded eventually through stable eccentric bushing, it is ensured that eccentric stiffener and the stable operation of whole equipment.
As preferably, the positive heart bottom inside wall of eccentric bushing is provided with step surface, positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole, and eccentric inside top through hole equivalently-sized and being coaxially disposed, interior side through hole above step surface constitutes bushing mounting holes, being provided with eccentric bush in bushing mounting holes, the lower surface of eccentric bush is erected on step surface, and main shaft lower end is positioned in eccentric bush by bearing;During use, contacting connection between eccentric bush with eccentric bushing, eccentric bush only can produce to deflect without and rotate coaxially with eccentric bushing, reduces the abrasion between eccentric bush and mantle main shaft group, extends the service life of equipment.
As preferably, the upper end of described eccentric bushing is provided with for the fixing upper top bearing cover positioning bearing, and top bearing cover is additionally provided with the eccentricity balance-weight block for stable eccentric bushing;Being positioned by top bearing cover and position bearing, eccentricity balance-weight block increases the local weight of eccentric bushing, for keeping the balance of eccentric bushing.
As preferably, the lower surface of bearing block is provided with the end ring for fixing lower location bearing.
As preferably, the outside coning sleeve of described movable cone is provided with mantle liner plate, closely offset between lower end inside face and the lower end outside face of movable cone of mantle liner plate, the mantle groove for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone of mantle liner plate, threaded on main shaft above movable cone have locking nut, and locking nut axially positions mantle liner plate.Under this structure, use three kinds of connected modes to be connected between mantle liner plate and movable cone, thus limited mantle liner plate by axial and circumferential respectively, make mantle liner plate be connected firmly, good stability;Specifically: 1, movable cone is the taper type that the little lower end diameter of upper end diameter is big, taper fit between mantle liner plate and movable cone, closely offsets, thus limit mantle liner plate and down slide between lower end inside face and the lower end outside face of movable cone of mantle liner plate;2, for filling epoxy resin in the mantle groove between mantle liner plate and movable cone, by epoxy resin, mantle liner plate is clung with movable cone, thus limit mantle liner plate circumference and slide;3, main shaft is provided with locking nut, and locking nut axially positions mantle liner plate, thus limits mantle liner plate and up slide.
As preferably, between locking nut and mantle liner plate, it is provided with cut ring;During dismounting, cut ring can be cut off, consequently facilitating back out locking nut, dismantle mantle liner plate.
As preferably, being provided with gear outermost layer of skin circle at described dust proof tube upper end open, gear outermost layer of skin circle is between dust proof tube and movable cone, and the first oil outlet is in below gear outermost layer of skin circle;The lubricating oil of the first oil outlet ejection is in eccentric bushing, and gear outermost layer of skin circle lubricating oil in preventing eccentric bushing is dished out at the upper end open of dust proof tube, also has certain dust-proof effect simultaneously.
As preferably, described first oil outlet is opened in the interior sidewall surface of dust proof tube, and the second oil outlet is opened on the lower surface of dust proof tube.
As preferably, the torus that dust ring is made up of wear resistant nylon, the ring body section of dust ring radially direction tilts;When mantle main shaft group moves axially relative to eccentric stiffener, dust ring moves together along with mantle main shaft group, and dust ring ring body radially direction tilts to be easy to movable cone to drive it to move axially.
The present invention uses technique scheme, this gyratory crusher has a following both sides advantage: 1, main shaft dust preventing component can adjust along with the movement of mantle main shaft group, thus ensure its dust-proof effect, the specifically dust proof tube in main shaft dust preventing component is fixed on eccentric stiffener, dust proof tube upper end is in the dustproof groove of movable cone, and dust ring is set in the outside of dust proof tube, is located by connecting between dust ring and movable cone;When mantle main shaft group moves axially, the inside of dust ring moves axially along the outer side surface of dust proof tube;In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot be introduced in eccentric stiffener.2, frame is provided with fuel feed hole and oil return pipe, bearing block and dust proof tube and offers profit oil passage, and dust proof tube is further opened with the first oil outlet and the second oil outlet that the profit oil passage internal with it communicates;When equipment uses, lubricating oil is injected to fuel feed hole by the oil pump station outside equipment, lubricating oil flows into profit oil passage by oil pipe, sprayed by the first oil outlet on dust proof tube and the second oil outlet, the lubricating oil of the first oil outlet ejection is for lubricating the bearing in eccentric bushing, and the lubricating oil of the second oil outlet ejection is for lubricating the bearing between eccentric bushing and bearing block;Lubricating oil confluxes in frame lower end after being lubricated parts, and is back to oil pump station by oil return pipe.Under this lubrication circuit, the bearing within eccentric stiffener is fully circulated lubrication, can effectively prevent the phenomenons such as main shaft locking.
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 schematic cross-section of eccentric bushing.
Fig. 4 is the structural representation of mantle main shaft group.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.
A kind of cone crusher as shown in Fig. 1 ~ Fig. 4, including frame 2, and drive mechanism 6, eccentric stiffener 5, hydraulicefficiency elevation structure 7, mantle main shaft group 3 and the bearing assembly 4 being arranged in frame 2.Described eccentric stiffener 5 is connected with drive mechanism 6 transmission, and the lower end location and installation of mantle main shaft group 3 is in eccentric stiffener 5, and hydraulicefficiency elevation structure 7 is in below mantle main shaft group 3, is connected by bearing assembly 4 between hydraulicefficiency elevation structure 7 with mantle main shaft group 3.
Described eccentric stiffener 5 includes bearing block 51, eccentric bushing 52 and eccentric bush 53, bearing block 51 inner top side is provided with location bearing 54, the top bearing cover 541 that is arranged over of upper location bearing 54 positions, top bearing cover 541 is fixed on the upper end of eccentric bushing 52, and top bearing cover 541 is also arranged above the eccentricity balance-weight block 59 for stable eccentric bushing 52;Bearing block 51 inside lower end is provided with lower location bearing 55, and the lower section of lower location bearing 55 is provided with end ring 551 and positions, and end ring 551 is fixed on the lower surface of bearing block 51;Bearing block 51 interior sidewall surface between upper location bearing 54 and lower location bearing 55 is provided with bearing spacer ring 56, upper location bearing 54 and lower location bearing 55 location is separated by bearing spacer ring 56.
Described eccentric bushing 52 by upper location bearing 54 and lower location bearing 55 location and installation in bearing block 51, specifically: eccentric bushing 52 is integrally connected and composed by bottom the positive heart 521, in the middle part of bias 522 and eccentric top 523 the most successively, bottom the positive heart, 521 are in lower location bearing 55, eccentric top 523 is in location bearing 54, and in the middle part of bias, 522 are in bearing spacer ring 56.In the middle part of the bias of described eccentric bushing 52 522 and eccentric top 523 all column annulars in width gradual change, in the middle part of bias, the diameter of 522 outer side surfaces is more than the diameter of eccentric top 523 outer side surface;Bottom the positive heart of eccentric bushing 52,521 in annular, bottom the positive heart, the diameter of 521 outer side surfaces is less than the diameter of the outer side surface of 522 in the middle part of bias, bottom the positive heart, the interior sidewall surface of 521 is provided with step surface 521a, the interior side through hole of 522 in the middle part of side through hole and bias in 521 bottom the positive heart above step surface 521a, and the interior side through hole at eccentric top 523 equivalently-sized and being coaxially disposed, and the interior side through hole above step surface 521a constitutes the bushing mounting holes 58 for setting-up eccentricity lining 53.Described eccentric bush 53 is arranged in bushing mounting holes 58, and the lower surface of eccentric bush is erected on step surface, and eccentric bush 53 is cylinder ring body, and main shaft lower end is positioned in eccentric bush by bearing.Being fixed with eccentric bushing cone tooth 57 on the bottom of described eccentric bushing 52, eccentric bushing cone tooth 57 is bored tooth with the transmission on drive mechanism and is meshed;During equipment work, eccentric bushing 52 is driven by described drive mechanism 6 by eccentric bushing cone tooth 57, and eccentric bushing 52 rotates and drives its internal eccentric bush 53 and mantle main shaft group 3, and finally makes mantle main shaft group 3 do swing campaign.
Described mantle main shaft group 3 includes main shaft 31, movable cone 32 and mantle liner plate 33, and main shaft 31 lower end is arranged in eccentric bush 53 by self-aligning roller bearing 311.The mid diameter of described main shaft 31 is more than its two ends diameter, movable cone 32 taper type that little lower end diameter is big in upper end diameter, is provided with spindle hole at the axle center of movable cone 32, and movable cone 32 is set in the outside in the middle part of main shaft 31.The lower surface of movable cone 32 is provided with dustproof groove 321 along the spindle hole in the middle part of it, and the lower end of dustproof groove 321 sets the dust-proof draw-in groove 322 communicated therewith, and the movable cone 32 of dust-proof draw-in groove 322 lower end is additionally provided with dust ring baffle ring 323.It is provided with main shaft dust preventing component between described movable cone 32 and eccentric stiffener 5, main shaft dust preventing component includes the dust proof tube 34 that lower end is fixed on eccentric stiffener 5, and it is set in the dust ring 35 outside dust proof tube 34, the torus that wherein dust ring 35 is made up of wear resistant nylon, toric ring body section radially direction tilts.During installation, the upper end of dust proof tube 34 is in dustproof groove 321, and dust ring 35 is in dust-proof draw-in groove 322, and dust ring 35 can be positioned in dust-proof draw-in groove 322 by dust ring baffle ring 323.During ferrum crossed by gyratory crusher, mantle main shaft group moves axially, and the inside of dust ring moves axially along the outer side surface of dust proof tube;In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot be introduced in eccentric stiffener in the process.Gear outermost layer of skin circle 36 it is additionally provided with at described dust proof tube 34 upper end open, gear outermost layer of skin circle 36 is between dust proof tube 34 upper end and movable cone 32, gear outermost layer of skin circle lubricating oil in preventing eccentric stiffener is dished out at the upper end open of dust proof tube, also has certain dust-proof effect simultaneously.
Described mantle liner plate 33 is set in the outside of movable cone 32, closely offset between lower end inside face and the lower end outside face of movable cone 32 of mantle liner plate 33, the mantle groove 37 for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone 32 of mantle liner plate 33, the most threaded on main shaft above movable cone 32 have locking nut 38, is provided with cut ring 39 between the upper surface of locking nut 38 and mantle liner plate 33;During installation, taper fit between mantle liner plate 33 and movable cone 32, limit mantle liner plate 33 and down slide;Filling epoxy resin in mantle groove 37 between mantle liner plate 33 and movable cone 32, limits the slip in mantle liner plate 33 circumference;Locking nut 38 pushes down the upper surface of mantle liner plate 33 by cut ring 39, limits mantle liner plate 33 and up slides;Above-mentioned three kinds of connections are used to make to be connected firmly between mantle liner plate 33 and movable cone 32, will not occur relatively to slide, and cut ring 39 can be cut off when mantle liner plate 33 changed by needs, back out locking nut 38, tapping mantle liner plate 33 makes itself and movable cone 32 loosen, and takes off from main shaft 31 upper end.
The outer side surface of described frame is provided with fuel feed hole 82, and frame lower end is provided with oil return pipe 214;Being equipped with the profit oil passage 83 being sequentially communicated on bearing block 51 in eccentric stiffener 5 and the dust proof tube 34 in main shaft dust preventing component, fuel feed hole 82 is communicated with profit oil passage 83 by oil pipe.Dust proof tube 34 is provided with the first oil outlet 84 and the second oil outlet 85 that the profit oil passage 83 internal with it communicates, first oil outlet 84 and the second oil outlet 85 are in the top of oil return pipe 214, first oil outlet 84 is opened in the dust proof tube interior sidewall surface below gear outermost layer of skin circle, and the first oil outlet 84 is used for the self-aligning roller bearing 311 between lubricating spindle 31 lower end and eccentric bush 53 in eccentric bushing;Second oil outlet 85 is opened on the lower surface of dust proof tube, and for lubricating the upper location bearing 54 between eccentric bushing 52 and bearing block 51 and lower location bearing 55, and eccentric bushing cone tooth bores tooth with transmission.When equipment uses, being injected lubricating oil by the oil pump station outside equipment to fuel feed hole, lubricating oil flows into profit oil passage by oil pipe, the first oil outlet on dust proof tube and the second oil outlet spray, lubricating oil confluxes in frame lower end after being lubricated parts, and is back to oil pump station by oil return pipe.Under this lubrication circuit, the bearing within eccentric stiffener is fully circulated lubrication, can effectively prevent the phenomenons such as main shaft locking.

Claims (9)

1. a cone crusher, including frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame;Described eccentric stiffener is connected with drive mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group;It is characterized in that: described eccentric stiffener includes bearing block, and the eccentric bushing being arranged in bearing block;Mantle main shaft group includes main shaft, and is set in the movable cone outside main shaft;The lower end of described movable cone is provided with dustproof groove, and the lower end of dustproof groove sets the dust-proof draw-in groove communicated therewith, and the movable cone of dust-proof draw-in groove lower end is additionally provided with dust ring baffle ring;Being provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component includes the dust proof tube being fixed on bearing block, and is set in the dust ring in the outside of dust proof tube;The upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring;The outer side surface of described frame is provided with fuel feed hole, and frame lower end is provided with on oil return pipe, bearing block and dust proof tube and all offers the profit oil passage being sequentially communicated, and dust proof tube is further opened with the first oil outlet and the second oil outlet that the profit oil passage internal with it communicates;Described fuel feed hole is communicated by oil pipe and profit oil passage, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block;
The bearing block inner top side of described eccentric stiffener is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is additionally provided with bearing spacer ring between upper location bearing and lower location bearing;Described eccentric bushing is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top the most successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is respectively less than the diameter of outer side surface in the middle part of bias;Bottom the positive heart of described eccentric bushing, location and installation is in the bearing of lower location, and eccentric top location and installation is in the bearing of upper location, and in the middle part of bias, location and installation is in bearing spacer ring.
A kind of cone crusher the most according to claim 1, it is characterized in that: the positive heart bottom inside wall of eccentric bushing is provided with step surface, positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole, and eccentric inside top through hole equivalently-sized and being coaxially disposed, interior side through hole above step surface constitutes bushing mounting holes, being provided with eccentric bush in bushing mounting holes, the lower surface of eccentric bush is erected on step surface, and main shaft lower end is positioned in eccentric bush by bearing.
A kind of cone crusher the most according to claim 2, it is characterised in that: the upper end of described eccentric bushing is provided with for the fixing upper top bearing cover positioning bearing, and top bearing cover is additionally provided with the eccentricity balance-weight block for stable eccentric bushing.
A kind of cone crusher the most according to claim 1, it is characterised in that: the lower surface of bearing block is provided with the end ring for fixing lower location bearing.
A kind of cone crusher the most according to claim 1, it is characterized in that: the outside coning sleeve of described movable cone is provided with mantle liner plate, closely offset between lower end inside face and the lower end outside face of movable cone of mantle liner plate, the mantle groove for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone of mantle liner plate, threaded on main shaft above movable cone have locking nut, and locking nut axially positions mantle liner plate.
A kind of cone crusher the most according to claim 5, it is characterised in that: it is provided with cut ring between locking nut and mantle liner plate.
A kind of cone crusher the most according to claim 1, it is characterised in that: being provided with gear outermost layer of skin circle at described dust proof tube upper end open, gear outermost layer of skin circle is between dust proof tube and movable cone, and the first oil outlet is in below gear outermost layer of skin circle.
A kind of cone crusher the most according to claim 7, it is characterised in that: described first oil outlet is opened in the interior sidewall surface of dust proof tube, and the second oil outlet is opened on the lower surface of dust proof tube.
9. according to a kind of cone crusher described in claim 1 or 8, it is characterised in that: the torus that dust ring is made up of wear resistant nylon, the ring body section of dust ring radially direction tilts.
CN201410851376.3A 2014-12-31 2014-12-31 A kind of cone crusher Active CN104525303B (en)

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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
CN105202019A (en) * 2015-10-10 2015-12-30 成都大宏立机器股份有限公司 Spherical bearing of single cylinder hydraulic cone crusher and manufacturing method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102357371B (en) * 2011-10-02 2013-07-31 长兴县长虹路桥矿山机械设备有限公司 Multi-cylinder hydraulic antifriction bearing taper crusher
WO2013155150A1 (en) * 2012-04-10 2013-10-17 Nawa Engineers And Consultants Pvt. Ltd Cone crusher dust seal
EP2775176A1 (en) * 2013-03-08 2014-09-10 Sandvik Intellectual Property AB Sealing ring for gyratory crusher
CN203264836U (en) * 2013-05-28 2013-11-06 成都大宏立机器股份有限公司 Dustproof sealing device of hydraulic cone crusher
CN203916738U (en) * 2014-07-09 2014-11-05 上海威力特重型矿山机械有限公司 Single-cylinder hydraulic cone crusher
CN204380755U (en) * 2014-12-31 2015-06-10 浙江浙矿重工股份有限公司 A kind of cone crusher

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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

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