CN101947475B - Cone crusher - Google Patents
Cone crusher Download PDFInfo
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- CN101947475B CN101947475B CN2010102883754A CN201010288375A CN101947475B CN 101947475 B CN101947475 B CN 101947475B CN 2010102883754 A CN2010102883754 A CN 2010102883754A CN 201010288375 A CN201010288375 A CN 201010288375A CN 101947475 B CN101947475 B CN 101947475B
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- Prior art keywords
- main shaft
- mantle
- disk
- lubrication channel
- mantle main
- Prior art date
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- 238000005461 lubrication Methods 0.000 claims description 36
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- 239000003351 stiffener Substances 0.000 claims description 17
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- 230000000875 corresponding Effects 0.000 claims description 3
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Abstract
The invention discloses a cone crusher, which comprises a frame and a movable cone main shaft arranged in the frame, wherein the lower end of the movable cone main shaft is provided with an eccentric mechanism, the eccentric mechanism is in transmission connection with a transmission assembly, a supporting assembly for supporting the movable cone main shaft is arranged below the eccentric mechanism, a hydraulic lifting system for changing the height of the supporting assembly is arranged below the supporting assembly, the hydraulic lifting system comprises a hydraulic cylinder body which is fixed on the lower part of the frame and provided with a cavity and a piston which is arranged in the cavity and moves up and down, the supporting assembly is arranged at the upper end of the piston, and the lower end of the hydraulic cylinder body is provided with a hydraulic oil port which is externally connected with a hydraulic station and communicated with the cavity. The cone crusher has the advantages of novel and unique structure and stable operation, improves the rotational speed of an eccentric sleeve, improves the work efficiency and yield thereof, prolongs the service life of a machine, reduces the use cost and avoids 'teleflex' and running vehicle.
Description
Technical field
The present invention relates to mine mechanism, particularly a kind of gyratory crusher.
Background technology
Mostly traditional hydro cone-crusher is the slew gear of slip excentric sleeve, and the mantle swing speed is low, and crushing efficiency is low; As China national Department of Intellectual Property January in 2009 Granted publication on the 14th a name be called the patent of invention of " gyratory crusher "; Granted publication number is CN201179454Y, discloses a kind of gyratory crusher in this patent specification, comprises frame and main shaft; The frame lower centre is equipped with excentric sleeve; Large conical gear is installed on excentric sleeve top, and central rack is equipped with the bowl-type bearing bracket stand, and the circular cone body is packed in the main shaft upper end and is sitting on the bowl-type bearing bracket stand; The main shaft lower end is inserted in the excentric sleeve after passing the bowl-type bearing bracket stand; Broken wall is packed on the circular cone body, and rolled mortar wall places the fixed awl of the inboard formation of adjustment cover, then links to each other with motor power with shaft coupling through power transmission shaft with the small conical gear that large conical gear is meshed.The sealing of employing drier oil, also have following defective: wear extent is big between excentric sleeve and main shaft; If the main shaft rotational velocity is low excessively, can cause " pivoted housing ", the eccentric wear of accelerating excentric sleeve is decreased; Because main shaft and the gapped existence of excentric sleeve, when disintegrating machine transfers heavy duty to by zero load, excentric sleeve will receive load impacting one time, can cause excentric sleeve to break; If main shaft and excentric sleeve gap are too small, can cause the driving phenomenon again, i.e. main shaft and excentric sleeve generation locking; The excentric sleeve rotating speed is difficult to improve, and wear extent is big; List calculates from this mechanism itself, and its cost is lower; If but take all factors into consideration, for example considering maintenance, the client that accident and parking cause loses, and its cost is but very high; The end face of bottom supporting dish is a planar structure, does not have oil storage tank, thereby frictional resistance is big between the disk, the rate of wear is fast.
Summary of the invention
Problem to be solved by this invention just provides a kind of novel structure, uniqueness, gyratory crusher stably turns round; Improve the rotating speed of eccentric bushing, gyratory crusher operating efficiency and output are provided, improved the service life of machine; Reduce use cost, avoided the generation of " pivoted housing " and driving.
In order to solve the problems of the technologies described above; The present invention adopts following technical scheme: a kind of gyratory crusher, comprise frame and the mantle main shaft that is located in the frame, and mantle main shaft lower end is provided with eccentric stiffener; Eccentric stiffener and transmission component are in transmission connection; The eccentric stiffener below is provided with the bearing assembly of supporting mantle main shaft, below bearing assembly, is provided with the hydraulic lifting system that changes the bearing assembly height, it is characterized in that: said hydraulic lifting system comprises that being fixed on frame lower has the hydraulic cylinder of inner chamber and be located at the piston that moves up and down in the inner chamber; Said bearing assembly is located at the upper end of piston, and the hydraulic oil port that is provided with external Hydraulic Station in the hydraulic cylinder lower end is communicated with inner chamber.
Further; Said hydraulic cylinder is provided with lubrication channel I, on piston, is provided with lubrication channel II, and lubrication channel I and lubrication channel II are communicated with; The inlet of lubrication channel I is located at the lateral wall lower end of hydraulic cylinder, and the outlet of lubrication channel II is located on the upper surface of piston.
Further, said frame comprises upper spider and lower bearing bracket, and the upper end of mantle main shaft is positioned in the upper spider through bearing part, and the lower end of mantle main shaft is passed eccentric stiffener and is pressed on the bearing assembly, and the mantle main shaft is provided with the mantle body; Said transmission component comprises the transmission main shaft that is located in the lower bearing bracket, and the inner of transmission main shaft is provided with bevel gear and eccentric stiffener interlock, and the outer end of transmission main shaft is stretched out lower bearing bracket and is provided with the belt wheel that is used for the motor interlock.
Further; Said mantle main shaft is provided with diameter and becomes big ladder section; Being provided with the shoulder hole that cooperates with the ladder section in the mantle body is positioned at the mantle body on the mantle main shaft; On the mantle body, be provided with the cone cover, on the mantle main shaft, also be provided with the screw-thread bush that cooperates with the mantle spindle thread, screw-thread bush is pressed in cone and puts the lower end medial surface of cone cover is against on the mantle body lower outside face.
Further, said bearing assembly comprises disk, middle disk and lower disc, and last disk is fixed on the lower end spindle nose of mantle main shaft; Middle disk is located between disk and the lower disc; Lower disc is fixed on the piston upper surface, is provided with evagination sphere I at the lower surface of last disk, is provided with evagination sphere II at the upper surface of lower disc; Upper surface at middle disk is provided with the interior concave spherical surface I that cooperates with evagination sphere I, is provided with the interior concave spherical surface II that cooperates with evagination sphere II at the lower surface of middle disk.The Surface Machining that cooperatively interacts in three disks in the bearing assembly is become sphere version, and spherical structure has the automatic centering effect, and strengthens lubricatedly, has reduced the frictional resistance between the disk, has improved service life.
Further, said evagination sphere I is provided with radial groove I and ring-shaped groove I, and said evagination sphere II is provided with radial groove II and ring-shaped groove II; Be provided with contiguous block between the lower end spindle nose of said upward disk and mantle main shaft; Last disk is fixed on the lower end spindle nose of mantle main shaft through contiguous block; The bottom face of the lower end spindle nose of mantle main shaft is provided with groove, and the upper surface of contiguous block is provided with boss I, and contiguous block is fixed on the lower end spindle nose of mantle main shaft through boss I and groove interference fit; The lower surface of contiguous block is provided with boss II; Last disk is provided with the centre bore I of suit boss II, and the sidewall that passes centre bore I part on the boss II is provided with annular groove, is provided with the back-up ring that disk is gone up in the location in the annular groove; Middle disk is provided with center hole II, and lower disc is provided with center hole II I, and the upper surface of piston is provided with the boss III with center hole II I corresponding matching location, and the outlet of lubrication channel II is located on the upper surface of boss III.Groove is set is convenient to Oil Guide, strengthen lubricated; Locate disk with back-up ring, be convenient to installing and replacing; The lubricating oil that center hole II and center hole II I be convenient among the lubrication channel II is set bearing assembly is carried out sufficient lubrication.
Further; Said eccentric stiffener comprises the cylindrical central sleeve that is located on the lower bearing bracket and is located at the eccentric bushing in the cylindrical central sleeve; Be provided with bearing assembly I between eccentric bushing and the cylindrical central sleeve, in eccentric bushing, be provided with eccentric bush, the mantle main shaft passes eccentric bush and is pressed on the bearing assembly; Be provided with bearing assembly II between eccentric bush and the mantle main shaft, the lower end of eccentric bushing is provided with the gear with transmission component epicone meshed transmission gear.
Further; Said bearing assembly I comprises bearing I that is located at eccentric bushing lateral surface upper surface and the bearing I I that is located at eccentric bushing lateral surface lower surface; The eccentric bushing lateral surface is provided with the annular protrusion of location bearing I inner ring lower surface and bearing I I inner ring upper surface; In cylindrical central sleeve, be provided with the spacer ring of lower surface, location bearing I outer ring and upper surface, bearing I I outer ring, above cylindrical central sleeve, be provided with the connecting cylinder of location bearing I upper surface, connecting cylinder is positioned on the mantle body; Bearing I I inner ring lower surface is through gear location, on the eccentric bushing lower surface, is fixed with the end ring of lower surface, location bearing II outer ring through screw; Said bearing assembly II comprises the bearing I II that is installed on the mantle main shaft; The mantle main shaft is provided with the step of location bearing III inner ring upper surface; On the spindle nose of mantle main shaft lower end, be provided with the axle sleeve of location bearing I I I inner ring lower surface, axle sleeve is against on the contiguous block.Three rolling bearings are realized cylindrical central sleeve and the rotation between the mantle main shaft on eccentric bushing and the frame, the rotating speed of raising eccentric bushing, reduce the cylindrical central sleeve on eccentric bushing and the frame simultaneously and reduce eccentric bushing and the mantle main shaft between coefficient of friction.
Further, be provided with balancing weight in the said connecting cylinder, in the cylindrical shell of connecting cylinder, be provided with lubrication channel III, the inlet of lubrication channel III is located on the lateral wall of connecting cylinder, and the outlet of lubrication channel III is located at the madial wall lower end of connecting cylinder.
After adopting technique scheme, the present invention has following advantage: with cylindrical central sleeve on three rolling bearings realization eccentric bushings and the frame and the rotation between the mantle main shaft, improve the rotating speed of eccentric bushing, thereby the I that improves gyratory crusher makes efficient and output; Reduce the cylindrical central sleeve on eccentric bushing and the frame simultaneously and reduce eccentric bushing and the mantle main shaft between coefficient of friction, reduced use cost the service life of having improved machine, can not have the generation of " pivoted housing " and driving; The utilization of cylindrical central sleeve has made things convenient for the maintenance of machine; The end face of the disk in the bearing assembly is added I one-tenth sphere version, reduced the frictional resistance between the disk; Have groove on the disk, increased the oil storage capacity of disk, strengthened lubricant effect, thereby further reduced the resistance between the disk; The height of mantle main shaft and mantle body is by the hydraulic cylinder lift adjustment, and is easy to adjust, accurate positioning.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation of bearing assembly;
Fig. 3 is a B place enlarged drawing among Fig. 2;
Fig. 4 is the upward view of evagination sphere I;
Fig. 5 is an A place enlarged drawing among Fig. 1;
Fig. 6 is a C place enlarged drawing among Fig. 1.
The specific embodiment
The structural representation of an embodiment of the present invention shown in Fig. 1 to 6, a kind of gyratory crusher comprises frame 1 and the mantle main shaft 2 that is located in the frame; Frame comprises upper spider 11 and lower bearing bracket 12, and mantle main shaft lower end is provided with eccentric stiffener 3, and eccentric stiffener and transmission component 4 are in transmission connection; Transmission component comprises the transmission main shaft 41 that is located on the lower bearing bracket; The inner of transmission main shaft is provided with bevel gear 43 and eccentric stiffener interlock, and the outer end of transmission main shaft is stretched out lower bearing bracket and is provided with the belt wheel 42 that is used for the motor interlock, and the eccentric stiffener below is provided with the bearing assembly 5 of supporting mantle main shaft; The upper end of mantle main shaft is positioned in the upper spider through bearing part; The lower end of mantle main shaft is passed eccentric stiffener and is pressed on the bearing assembly, and the mantle main shaft is provided with mantle body 21, and the mantle main shaft is provided with diameter and becomes big ladder section 22; Being provided with the shoulder hole 23 that cooperates with the ladder section in the mantle body is positioned at the mantle body on the mantle main shaft; On the mantle body, be provided with cone cover 24, on the mantle main shaft, also be provided with the screw-thread bush 25 that cooperates with the mantle spindle thread, screw-thread bush is pressed in cone and puts the lower end medial surface that cone is overlapped and be against on the mantle body lower outside face; Below bearing assembly, be provided with the hydraulic lifting system 6 that changes the bearing assembly height; Said hydraulic lifting system comprises that being fixed on frame lower has the hydraulic cylinder 61 of inner chamber 63 and be located at the piston 62 that moves up and down in the inner chamber; Said bearing assembly is located at the upper end of piston, and the hydraulic oil port 612 that is provided with external Hydraulic Station in the hydraulic cylinder lower end is communicated with inner chamber.
Said bearing assembly comprises disk 51, middle disk 52 and lower disc 53; Last disk is fixed on the lower end spindle nose of mantle main shaft, and middle disk is located between disk and the lower disc, and lower disc is fixed on the piston upper surface; Lower surface at last disk is provided with evagination sphere I511; Upper surface at lower disc is provided with evagination sphere II531, is provided with the interior concave spherical surface I521 that cooperates with evagination sphere I at the upper surface of middle disk, is provided with the interior concave spherical surface II522 that cooperates with evagination sphere II at the lower surface of middle disk; Evagination sphere I is provided with radial groove I512 and ring-shaped groove I513, and said evagination sphere II is provided with radial groove II532 and ring-shaped groove II533; Be provided with contiguous block 54 between the lower end spindle nose of said upward disk and mantle main shaft; Last disk is fixed on the lower end spindle nose of mantle main shaft through contiguous block; The bottom face of the lower end spindle nose of mantle main shaft is provided with groove 26, and the upper surface of contiguous block is provided with boss I541, and contiguous block is fixed on the lower end spindle nose of mantle main shaft through boss I and groove interference fit; The lower surface of contiguous block is provided with boss II542; Last disk is provided with the centre bore I514 of suit boss II, and the sidewall that passes centre bore I part on the boss II is provided with annular groove 543, is provided with the back-up ring 544 that disk is gone up in the location in the annular groove; Middle disk is provided with center hole II 523, and lower disc is provided with center hole II I534, and the upper surface of piston is provided with the boss III621 with center hole II I corresponding matching location, and the outlet of said lubrication channel II is located on the upper surface of boss III.
Said eccentric stiffener comprises the cylindrical central sleeve 31 that is located on the lower bearing bracket and is located at the eccentric bushing 32 in the cylindrical central sleeve; Be provided with bearing assembly I between eccentric bushing and the cylindrical central sleeve; In eccentric bushing, be provided with eccentric bush 33; The mantle main shaft passes eccentric bush and is pressed on the bearing assembly, is provided with bearing assembly II between eccentric bush and the mantle main shaft, the lower end of eccentric bushing be provided with transmission main shaft on the gear 34 of bevel gear engaged transmission; Said bearing assembly I comprises bearing I 35 that is located at eccentric bushing lateral surface upper surface and the bearing I I36 that is located at eccentric bushing lateral surface lower surface; The eccentric bushing lateral surface is provided with the annular protrusion 321 of location bearing I inner ring lower surface and bearing I I inner ring upper surface; In cylindrical central sleeve, be provided with the spacer ring 37 of lower surface, location bearing I outer ring and upper surface, bearing I I outer ring; Above cylindrical central sleeve, be provided with the connecting cylinder 7 of location bearing I upper surface; Connecting cylinder is positioned on the mantle body, and bearing I I inner ring lower surface is through gear 34 location, on the eccentric bushing lower surface, is fixed with the end ring 8 of lower surface, location bearing II outer ring through screw; Said bearing assembly II comprises the bearing I II38 that is installed on the mantle main shaft; The mantle main shaft is provided with the step 27 of location bearing III inner ring upper surface; On the spindle nose of mantle main shaft lower end, be provided with the axle sleeve 28 of location bearing III inner ring lower surface, axle sleeve is against on the contiguous block.
In the foregoing description; Hydraulic cylinder is provided with lubrication channel I611, on piston, is provided with lubrication channel II621, and lubrication channel I and lubrication channel II are communicated with; The inlet of lubrication channel I is located at the lateral wall lower end of hydraulic cylinder, and the outlet of lubrication channel II is located on the upper surface of piston; In the cylindrical shell of connecting cylinder, be provided with lubrication channel III72; The inlet of lubrication channel III is located on the lateral wall of connecting cylinder; The outlet of lubrication channel III is located at the madial wall lower end of connecting cylinder; Adopt lubrication channel I and lubrication channel II, and the lubricated simultaneously up and down mode of lubrication channel III guaranteed the sufficient lubrication of rolling bearing, illustrated the lubricating oil flow direction among lubrication channel I and lubrication channel II and the lubrication channel II respectively like dotted line I among Fig. 5 and dotted line II.
In connecting cylinder, be provided with balancing weight 71 in addition to increase the balance under the present invention in working order.Also have eccentric bush and eccentric bushing matched in clearance, bearing I II and mantle main shaft cone match.Level is provided with mounting ear on the lateral wall of cylindrical central sleeve, and mounting ear is provided with installing hole, and cylindrical central sleeve passes installing hole through bolt and is fixed on the frame, and is easy for installation.
Except that above-mentioned preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of accompanying claims of the present invention.
Claims (5)
1. gyratory crusher; Comprise frame (1) and be located at the mantle main shaft (2) in the frame; Mantle main shaft lower end is provided with eccentric stiffener (3), and eccentric stiffener and transmission component (4) are in transmission connection, and the eccentric stiffener below is provided with the bearing assembly (5) of supporting mantle main shaft; Below bearing assembly, be provided with the hydraulic lifting system (6) that changes the bearing assembly height; It is characterized in that: said hydraulic lifting system comprises that being fixed on frame lower has the hydraulic cylinder (61) of inner chamber (63) and be located at the piston (62) that moves up and down in the inner chamber, and said bearing assembly is located at the upper end of piston, and the hydraulic oil port (612) that is provided with external Hydraulic Station in the hydraulic cylinder lower end is communicated with inner chamber; Said bearing assembly comprises disk (51), middle disk (52) and lower disc (53); Last disk is fixed on the lower end spindle nose of mantle main shaft; Middle disk is located between disk and the lower disc; Lower disc is fixed on the piston upper surface, is provided with evagination sphere I (511) at the lower surface of last disk, is provided with evagination sphere II (531) at the upper surface of lower disc; Upper surface at middle disk is provided with the interior concave spherical surface I (521) that cooperates with evagination sphere I, is provided with the interior concave spherical surface II (522) that cooperates with evagination sphere II at the lower surface of middle disk.
2. a kind of gyratory crusher according to claim 1; It is characterized in that: said hydraulic cylinder is provided with lubrication channel I (611); On piston, be provided with lubrication channel II (621); Lubrication channel I and lubrication channel II are communicated with, and the inlet of lubrication channel I is located at the lateral wall lower end of hydraulic cylinder, and the outlet of lubrication channel II is located on the upper surface of piston.
3. a kind of gyratory crusher according to claim 1; It is characterized in that: said frame comprises upper spider (11) and lower bearing bracket (12); The upper end of mantle main shaft is positioned in the upper spider through bearing part; The lower end of mantle main shaft is passed eccentric stiffener and is pressed on the bearing assembly, and the mantle main shaft is provided with mantle body (21); Said transmission component comprises the transmission main shaft (41) that is located in the lower bearing bracket, and the inner of transmission main shaft is provided with bevel gear (43) and eccentric stiffener interlock, and the outer end of transmission main shaft is stretched out lower bearing bracket and is provided with the belt wheel (42) that is used for the motor interlock.
4. a kind of gyratory crusher according to claim 3; It is characterized in that: said mantle main shaft is provided with diameter and becomes big ladder section (22); Being provided with the shoulder hole (23) that cooperates with the ladder section in the mantle body is positioned at the mantle body on the mantle main shaft; On the mantle body, be provided with cone cover (24), on the mantle main shaft, also be provided with the screw-thread bush (25) that cooperates with the mantle spindle thread, screw-thread bush is pressed in cone and puts the lower end medial surface of cone cover is against on the mantle body lower outside face.
5. a kind of gyratory crusher according to claim 1 is characterized in that: said evagination sphere I is provided with radial groove I (512) and ring-shaped groove I (513), and said evagination sphere II is provided with radial groove II (532) and ring-shaped groove II (533); Be provided with contiguous block (54) between the lower end spindle nose of said upward disk and mantle main shaft; Last disk is fixed on the lower end spindle nose of mantle main shaft through contiguous block; The bottom face of the lower end spindle nose of mantle main shaft is provided with groove (26), and the upper surface of contiguous block is provided with boss I (541), and contiguous block is fixed on the lower end spindle nose of mantle main shaft through boss I and groove interference fit; The lower surface of contiguous block is provided with boss II (542); Last disk is provided with the centre bore I (514) of suit boss II, and the sidewall that passes centre bore I part on the boss II is provided with annular groove (543), is provided with the back-up ring (544) that disk is gone up in the location in the annular groove; Middle disk is provided with center hole II (523), and lower disc is provided with center hole II I (534), and the upper surface of piston is provided with the boss III (621) with center hole II I corresponding matching location, and the outlet of said lubrication channel II is located on the upper surface of boss III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102883754A CN101947475B (en) | 2010-09-16 | 2010-09-16 | Cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102883754A CN101947475B (en) | 2010-09-16 | 2010-09-16 | Cone crusher |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110375482.5A Division CN102430446B (en) | 2010-09-16 | 2010-09-16 | Cone crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101947475A CN101947475A (en) | 2011-01-19 |
| CN101947475B true CN101947475B (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102883754A CN101947475B (en) | 2010-09-16 | 2010-09-16 | Cone crusher |
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| Country | Link |
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| CN (1) | CN101947475B (en) |
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| CN102430446B (en) * | 2010-09-16 | 2014-02-05 | 浙江浙矿重工股份有限公司 | Cone crusher |
| EP2505265B1 (en) * | 2011-03-29 | 2013-09-18 | Sandvik Intellectual Property AB | Cone crusher, bearing plate, and kit of bearing plates |
| CN102900382A (en) * | 2011-07-28 | 2013-01-30 | 吴江市宏亿纺织有限公司 | Hydraulic cathead device |
| CN102266800A (en) * | 2011-08-02 | 2011-12-07 | 浙江钛山重工机械有限公司 | Cone crusher |
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| CN104475187A (en) * | 2014-12-31 | 2015-04-01 | 浙江浙矿重工股份有限公司 | Single-cylinder cone crusher |
| CN104549625B (en) * | 2015-01-28 | 2017-02-22 | 浙江浙矿重工股份有限公司 | Cone crusher |
| CN104549631B (en) * | 2015-01-28 | 2017-02-22 | 浙江浙矿重工股份有限公司 | Multi-cylinder cone crusher |
| CN105251561A (en) * | 2015-09-22 | 2016-01-20 | 浙江美安普矿山机械股份有限公司 | Hydraulic lubrication control system for cone crusher |
| CN105904239A (en) * | 2016-06-19 | 2016-08-31 | 成都市双流金石机械制造有限公司 | Machining tool for cone crusher bodies |
| CN106140372B (en) * | 2016-08-28 | 2018-11-09 | 广东磊蒙重型机械制造有限公司 | A kind of multicylinder hydraulic spindle machine of Screwthrad sealing |
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| CN201807387U (en) * | 2010-09-16 | 2011-04-27 | 陈利华 | Conical crusher |
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| JPS632106Y2 (en) * | 1984-04-02 | 1988-01-20 |
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| CN2608118Y (en) * | 2003-03-21 | 2004-03-31 | 陈正辉 | Vertical rolling and crushing machine |
| CN2714149Y (en) * | 2004-08-10 | 2005-08-03 | 张春 | Cone crusher |
| CN201807387U (en) * | 2010-09-16 | 2011-04-27 | 陈利华 | Conical crusher |
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|---|---|
| CN101947475A (en) | 2011-01-19 |
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