CN110975976A - Stone crushing device - Google Patents
Stone crushing device Download PDFInfo
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- CN110975976A CN110975976A CN201911256267.6A CN201911256267A CN110975976A CN 110975976 A CN110975976 A CN 110975976A CN 201911256267 A CN201911256267 A CN 201911256267A CN 110975976 A CN110975976 A CN 110975976A
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- wall
- annular base
- roller
- annular
- pinch roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/40—Adding fluid, other than for crushing or disintegrating by fluid energy with more than one means for adding fluid to the material being crushed or disintegrated
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a stone crushing device, which comprises a frame; a support seat having an annular cavity; the rolling wheel mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, a plurality of rolling wheels which are axially distributed along the annular base and synchronously rotate with the annular base are connected to the inner peripheral wall of the annular base, and the rolling wheels are distributed in a step shape from top to bottom; the pinch roller mechanism comprises a rotating shaft which is rotatably connected to the center of the annular cavity, the rotating shaft is connected with a plurality of pinch rollers which are distributed along the axial direction of the rotating shaft, the outer circumferential wall of each pinch roller is set into a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the pinch roller above two adjacent pinch rollers is larger than that of the top of the pinch roller below the two adjacent pinch rollers; and the crushing channel is arranged between the inner wall of the grinding wheel and the outer side wall of the pressing wheel and is in a conical arrangement with a wide upper part and a narrow lower part. This building stones breaker can extrude, crushing efficiency is high to building stones when broken building stones.
Description
Technical Field
The invention relates to the technical field of stone crushing, in particular to a stone crushing device.
Background
Stone is one of indispensable materials in the fields of building engineering, road construction, chemical engineering and the like. The stone is generally collected by a quarrying machine and then crushed into a size suitable for the size of the stone, so that the stone can be used by people. The crushing process of the stone materials generally comprises the steps of uniformly feeding the stone materials into a coarse crusher by a feeder to perform primary crushing, then conveying the produced coarse materials to the crusher by a rubber belt conveyor, further crushing by the crusher, screening the finely crushed stone materials into stones with different specifications by a vibrating screen, and feeding the returned stones which do not meet the requirement of granularity into the crusher to perform secondary crushing.
The stone crushing device in the prior art generally adopts two grinding wheels to extrude each other to crush stones, for example, a patent application with a publication number of CN209188883U and a name of a grinding wheel structure for lifting broken stones of a stone crusher is disclosed on a national intellectual property website, and comprises that two symmetrical brackets are arranged on a base of the grinding wheel structure, slide rails are respectively arranged on the inner sides of the two brackets and are used for being embedded into slide grooves arranged on two slide blocks, so that the two slide blocks can respectively move on the slide rails and are positioned on the two slide rails of the two corresponding brackets; the slide block is provided with a shaft hole, a bearing is arranged on the shaft hole, a rotating shaft of the grinding wheel penetrates through the shaft hole, adjusting rods are respectively arranged on the end surfaces of the two slide blocks, one end of each adjusting rod is respectively pivoted on the side surfaces of the two slide blocks, the other end of each adjusting rod penetrates through two supporting columns of the two supports through a supporting rod, a positioning rod is respectively fixed on the upper side and the lower side of each adjusting rod, the two positioning rods are respectively sleeved with a spring, the two positioning rods respectively penetrate through the supporting rods, and the springs respectively push the end surfaces of the two supporting rods; the two rotating shafts of the other grinding wheel are arranged on the sliding blocks at the other two sides in a penetrating way; the adjusting rod rotates to control the slide block to move forwards and backwards so as to control the space between the grinding wheel and the other grinding wheel; the two grinding wheels are provided with arc convex ribs which are arranged at intervals, the two grinding wheels are mutually matched, so that the valley peaks and the valley bottoms of the arc convex ribs of the grinding wheels are mutually matched, when stones are pressed and squeezed by grinding, the springs are pushed, the sliding blocks slide back and forth through the positioning rods at the two sides and respectively push the two springs, and the grinding wheels have buffering crushing force on the stones; one side of the two grinding wheels is linked with the rotating shaft by a gear set and a chain respectively and is arranged on two transmission shafts of two motors respectively, so that the two grinding wheels are driven by the two motors respectively to avoid the damage of the rotating shaft; the arc convex ribs arranged on at least one of the two grinding wheels are respectively provided with a notch groove on each arc convex rib in an axial straight line to form notch grooves, and the top ends of the notch grooves are respectively provided with a vertex angle to improve the biting force on stones. The stone crusher with the structure utilizes the rolling of the two rolling wheels and the notches on the rolling wheels to realize the crushing and feeding of stones, utilizes the notches on the rolling wheels to improve the crushing force on stones, but the interval between the notches on the rolling wheels is larger, so the crushing efficiency is lower; if the crushing efficiency of the grinding wheel is to be improved, the rotating speed of the grinding wheel is increased, the rotating shaft of the grinding wheel is increased to generate a large amount of heat under high-speed rotation, the rotating shaft of the grinding wheel is damaged, and the crusher cannot meet the requirement of long-time operation because the crusher has to be stopped and cooled during a period of operation. Moreover, this breaker can not extrude the building stones and stir, and the building stones is difficult for getting into the grinding wheel and rolls, and consequently this stone crusher work efficiency is lower, can not satisfy people's demand.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a stone crushing device which can extrude stone and has high crushing efficiency when crushing the stone.
The technical scheme of the invention is to provide a stone crushing device with the following structure: it comprises
A frame;
the supporting seat is fixedly connected to the rack and provided with an annular cavity;
the rolling wheel mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, a plurality of rolling wheels which are axially distributed along the annular base and synchronously rotate with the annular base are connected to the inner peripheral wall of the annular base, the rolling wheels are distributed in a step shape from top to bottom, and the inner diameter of the rolling wheel at the upper end is larger than that of the rolling wheel at the lower end;
the pinch roller mechanism comprises a rotating shaft which is rotatably connected to the center of the annular cavity, the rotating shaft is connected with a plurality of pinch rollers which are distributed along the axial direction of the rotating shaft, the outer circumferential wall of each pinch roller is set into a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the pinch roller above two adjacent pinch rollers is larger than that of the top of the pinch roller below the two adjacent pinch rollers;
the crushing channel is arranged between the inner wall of the grinding wheel and the outer side wall of the pressing wheel and is in a conical arrangement with a wide upper part and a narrow lower part, the upper end of the crushing channel is provided with a feeding hole, and the lower end of the crushing channel is provided with a discharging hole;
the grinding wheel motor is connected to the rack, is in transmission connection with the annular base and is used for driving the annular base to rotate;
the pinch roller motor is connected to the rack, and a drive shaft of the pinch roller motor is in transmission connection with a rotating shaft of the pinch roller mechanism and used for driving the rotating shaft of the pinch roller mechanism to rotate.
As an improvement, a plurality of grooves which are arranged along the circumferential direction and are concave inwards are distributed on the inner circumferential wall of each grinding wheel, and a plurality of convex columns which are arranged along the circumferential direction and are convex outwards are distributed on the outer circumferential wall of each pressing wheel.
Preferably, be equipped with the first ring channel that sets up along supporting seat circumference on the internal perisporium of supporting seat, be equipped with the second ring channel that sets up along annular base circumference on the periphery wall of annular base, first ring channel and second ring channel opening relative formation closed lubrication groove, the lubrication groove in be equipped with many balls.
Preferably, an annular gear ring is connected to the outer peripheral wall of the lower end of the annular base, a driving gear is connected to a rotating shaft of the grinding wheel motor, and the driving gear is meshed with the annular gear ring.
Preferably, the top of the frame is connected with a hopper, and the lower end of the hopper is communicated with a feed inlet of the crushing channel; the top of the pressing wheel mechanism is connected with a roller which is arranged in a conical shape with a large upper part and a small lower part and is hollow inside, and the roller is positioned in the hopper and rotates synchronously with the pressing wheel mechanism; and spiral pressing teeth which protrude outwards and extend along the height direction of the roller are arranged on the outer circumferential wall of the roller.
Preferably, an inner cavity for accommodating water is arranged in the roller, and a water through hole communicated with the inner cavity is formed in the side wall of the roller.
Preferably, the outer side wall of the spiral pressing tooth is provided with a slope with a high height and a low height.
Preferably, the supporting seat comprises an upper seat and a lower seat, the upper seat is fixedly connected to the top of the lower seat, a containing groove is formed between the upper seat and the lower seat, a radially outward convex wall matched with the containing groove is arranged on the outer circumferential wall of the annular base, and the convex wall is in clearance fit in the containing groove.
Preferably, the inner wall of the inner hole at the lower end of the annular base is a conical surface with a small upper part and a large lower part, and the upper end of the conical surface is communicated with the lower end of the discharge hole.
After adopting the structure, compared with the prior art, the stone crushing device has the following advantages:
1. the stone crushing device realizes crushing of stones by matching of the grinding wheel mechanism and the pressing wheel mechanism, the grinding wheel mechanism rotates under the driving of the grinding wheel motor, and the pressing wheel mechanism rotates under the driving of the pressing wheel motor, so that stones in a crushing channel are in a rotary extrusion state, the stones are easy to roll, the stones can be crushed in all directions and at multiple angles, and the crushing efficiency is high; the grinding wheels are distributed in a ladder shape from top to bottom, the inner diameter of the grinding wheel at the upper end is larger than that of the grinding wheel at the lower end, the outer circumferential wall of each pressing wheel is set to be a conical surface with a small upper part and a large lower part, the bottom diameter of the pressing wheel above two adjacent pressing wheels is larger than that of the pressing wheel at the lower part, and the crushing channel is arranged in a shape of a cone with a wide upper part and a narrow lower part.
2. The arrangement of the groove on the inner peripheral wall of the grinding wheel and the convex column on the outer peripheral wall of the pressing wheel further increases the friction force or the biting force of the grinding wheel and the pressing wheel on the stone, so that the crushing efficiency of the stone is higher; the arrangement of a lubricating groove formed by a first annular groove on the inner peripheral wall of the supporting seat and a second annular groove on the outer peripheral wall of the annular base and balls in the lubricating groove enables the rolling mechanism to rotate more stably; the sliding fit of a containing groove formed between the upper seat and the lower seat of the supporting seat and the convex wall on the outer circumferential wall of the annular base further improves the rotation stability of the roller mechanism.
3. The top of the pressing wheel mechanism is connected with a roller which is arranged in a conical shape and is hollow inside, and the outer circumferential wall of the roller is provided with a spiral pressing tooth which protrudes outwards and extends along the height direction of the roller.
4. The inner chamber of cylinder can supply water and hold, and the setting of the limbers on the cylinder lateral wall makes the cylinder when rotating, and the water of inner chamber flows from the limbers under the effect of centrifugal force, and the water that flows is unrestrained on the building stones, avoids the building stones to produce a large amount of raise dusts when broken like this, avoids the raise dusts to be inhaled by the staff.
Drawings
Fig. 1 is a schematic view showing the construction of the stone crushing apparatus of the present invention.
Fig. 2 is a schematic view of the connection structure of the grinding wheel mechanism and the pressing wheel mechanism of the stone crushing device of the invention.
Fig. 3 is a schematic view of the structure of the drum of the stone crushing apparatus according to the present invention.
Fig. 4 is an enlarged view of a portion a of the stone crushing apparatus of the present invention in fig. 1.
As shown in the figure:
1. the device comprises a rack, 100, a hopper, 2, a supporting seat, 200, an upper seat, 201, a lower seat, 202, a first annular groove, 203, an accommodating groove, 204, an annular cavity, 3, a roller mechanism, 300, an annular base, 301, a roller, 302, a groove, 303, a second annular groove, 304, a ball, 305, a convex wall, 306, an annular gear ring, 307, a conical surface, 308, a roller motor, 4, a rotating shaft, 400, a roller motor, 5, a roller mechanism, 500, a roller, 501, a convex column, 6, a crushing channel, 600, a feeding port, 601, a discharging port, 7, a roller, 700, an inner cavity, 701, a spiral pressing tooth, 702, an inclined plane, 703 and a water through hole.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 4;
the invention relates to a stone crushing device, which comprises a frame 1; the supporting seat 2 is fixedly connected to the frame 1, and the supporting seat 2 is provided with an annular cavity 204; the supporting seat 2 comprises an upper seat 200 and a lower seat 201, the upper seat 200 is fixedly connected to the top of the lower seat 201, and an accommodating groove 203 is formed between the upper seat 200 and the lower seat 201; the outer circumferential wall of the annular base 300 is provided with a radially outward convex wall 305 matching with the receiving groove 203, and the convex wall 305 is in clearance fit in the receiving groove 203. Be equipped with on the internal perisporium of supporting seat 2 along first ring channel 202 that supporting seat 2 circumference set up, be equipped with the second ring channel 303 that sets up along ring base 300 circumference on the periphery wall of ring base 300, first ring channel 202 and second ring channel 303 opening relative closed lubrication groove that forms, the lubrication groove in be equipped with many balls 304.
The roller mechanism 3 comprises an annular base 300 which is rotatably connected to the inner wall of the annular cavity 204, the inner peripheral wall of the annular base 300 is connected with a plurality of rollers 301 which are axially distributed along the annular base 300 and synchronously rotate with the annular base 300, the rollers 301 are distributed in a step shape from top to bottom, and the inner diameter of the roller 301 at the upper end is larger than that of the roller at the lower end; the pinch roller mechanism 5 comprises a rotating shaft 4 which is rotatably connected to the center of the annular cavity, the rotating shaft 4 is connected with a plurality of pinch rollers 500 which are distributed along the axial direction of the rotating shaft 4, the outer circumferential wall of each pinch roller 500 is set into a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the upper pinch roller of each two adjacent pinch rollers 500 is larger than that of the top of the lower pinch roller;
the grinding wheel motor 308 is connected to the frame 1, is in transmission connection with the annular base 300, and is used for driving the annular base 300 to rotate; an annular gear ring 306 is connected to the outer peripheral wall of the lower end of the annular base 300. And a rotating shaft of the grinding wheel motor is connected with a driving gear, and the driving gear is meshed with the annular gear ring. Pinch roller motor 400 is connected on frame 1, and pinch roller motor 400's drive shaft and pinch roller mechanism 5's pivot 4 transmission are connected for the pivot 4 rotation of drive pinch roller mechanism 5.
Broken passageway 6 sets up between the inner wall of running roller 301 and the lateral wall of pinch roller 500, and be the setting of the narrow toper in width from top to bottom, the upper end of broken passageway 6 sets up to feed inlet 600, and the lower extreme of broken passageway 6 sets up to discharge gate 601. The inner wall of the inner hole at the lower end of the annular base 300 is provided with a conical surface 307 with a small upper part and a big lower part, and the upper end of the conical surface 307 is communicated with the lower end of the discharge hole 601.
The stone crushing device realizes crushing of stones by matching the grinding wheel mechanism 3 and the pressing wheel mechanism 5, the grinding wheel mechanism 3 rotates under the driving of the grinding wheel motor 308, and the pressing wheel mechanism 5 rotates under the driving of the pressing wheel motor 400, so that stones in a crushing channel are in a rotary extrusion state, the stones are easy to roll, the stones can be crushed in all directions and at multiple angles, and the crushing efficiency is high; the grinding wheels are distributed in a ladder shape from top to bottom, the inner diameter of the grinding wheel at the upper end is larger than that of the grinding wheel at the lower end, the outer circumferential wall of each pressing wheel is set to be a conical surface with a small upper part and a large lower part, the bottom diameter of the pressing wheel above two adjacent pressing wheels is larger than that of the pressing wheel at the lower part, and the crushing channel is arranged in a shape of a cone with a wide upper part and a narrow lower part.
Referring to fig. 2 again, a plurality of circumferentially arranged and inwardly concave grooves 302 are distributed on the inner circumferential wall of each rolling wheel 301, and a plurality of circumferentially arranged and outwardly convex pillars 501 are distributed on the outer circumferential wall of each pressing wheel 500. The arrangement of the grooves 302 on the inner circumferential wall of the rolling wheel 301 and the convex columns 501 on the outer circumferential wall of the pressing wheel 500 further increases the friction or biting force of the rolling wheel 301 and the pressing wheel 500 on the stone, so that the crushing efficiency of the stone is higher.
See fig. 2-4; the top of the frame 1 is connected with a hopper 100, and the lower end of the hopper 100 is communicated with a feeding hole 600 of the crushing channel 6; the top of the pressing wheel mechanism 5 is connected with a roller 7 which is arranged in a conical shape with a large upper part and a small lower part and is hollow inside, and the roller 7 is positioned in the hopper 100 and rotates synchronously with the pressing wheel mechanism 5; the outer circumferential wall of the drum 7 is provided with a spiral pressing tooth 701 protruding outwards and extending along the height direction of the drum 7. An inner cavity 700 for accommodating water is arranged in the roller 7, and a water through hole 703 communicated with the inner cavity 700 is arranged on the side wall of the roller 7. The outer side wall of the spiral pressing tooth 701 is provided with a slope 702 with high and low positions. The top of the pressing wheel mechanism 5 is connected with a roller 7 which is conical in size and hollow inside, and the outer circumferential wall of the roller 7 is provided with a spiral pressing tooth 701 which protrudes outwards and extends along the height direction of the roller 7. The inner chamber of cylinder can supply water and hold, and the setting of the limbers on the cylinder lateral wall makes the cylinder when rotating, and the water of inner chamber flows from the limbers under the effect of centrifugal force, and the water that flows is unrestrained on the building stones, avoids the building stones to produce a large amount of raise dusts when broken like this, avoids the raise dusts to be inhaled by the staff.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A stone crushing device is characterized in that: it comprises
A frame;
the supporting seat is fixedly connected to the rack and provided with an annular cavity;
the rolling wheel mechanism comprises an annular base which is rotatably connected to the inner wall of the annular cavity, a plurality of rolling wheels which are axially distributed along the annular base and synchronously rotate with the annular base are connected to the inner peripheral wall of the annular base, the rolling wheels are distributed in a step shape from top to bottom, and the inner diameter of the rolling wheel at the upper end is larger than that of the rolling wheel at the lower end;
the pinch roller mechanism comprises a rotating shaft which is rotatably connected to the center of the annular cavity, the rotating shaft is connected with a plurality of pinch rollers which are distributed along the axial direction of the rotating shaft, the outer circumferential wall of each pinch roller is set into a conical surface with a small upper part and a large lower part, and the diameter of the bottom of the pinch roller above two adjacent pinch rollers is larger than that of the top of the pinch roller below the two adjacent pinch rollers;
the crushing channel is arranged between the inner wall of the grinding wheel and the outer side wall of the pressing wheel and is in a conical arrangement with a wide upper part and a narrow lower part, the upper end of the crushing channel is provided with a feeding hole, and the lower end of the crushing channel is provided with a discharging hole;
the grinding wheel motor is connected to the rack, is in transmission connection with the annular base and is used for driving the annular base to rotate;
the pinch roller motor is connected to the rack, and a drive shaft of the pinch roller motor is in transmission connection with a rotating shaft of the pinch roller mechanism and used for driving the rotating shaft of the pinch roller mechanism to rotate.
2. The stone crushing apparatus as recited in claim 1, wherein: the inner peripheral wall of each grinding wheel is distributed with a plurality of grooves which are arranged along the circumferential direction and are concave inwards, and the outer peripheral wall of each pressing wheel is distributed with a plurality of convex columns which are arranged along the circumferential direction and are convex outwards.
3. The stone crushing apparatus as recited in claim 1, wherein: the utility model discloses a lubricating device, including supporting seat, first ring channel, second ring channel, first ring channel and second ring channel opening, be equipped with on the internal perisporium of supporting seat along the first ring channel that supporting seat circumference set up, be equipped with on the periphery wall of annular base along the second ring channel that annular base circumference set up, first ring channel and second ring channel opening form closed lubrication groove relatively, the lubrication groove in be equipped with many balls.
4. A stone crushing apparatus as claimed in claim 3, wherein: connect an annular ring gear on the periphery wall of annular base lower extreme, connect a drive gear in the pivot of bull wheel motor, drive gear and annular ring gear meshing.
5. The stone crushing apparatus as recited in claim 1, wherein: the top of the frame is connected with a hopper, and the lower end of the hopper is communicated with a feed inlet of the crushing channel; the top of the pressing wheel mechanism is connected with a roller which is arranged in a conical shape with a large upper part and a small lower part and is hollow inside, and the roller is positioned in the hopper and rotates synchronously with the pressing wheel mechanism; and spiral pressing teeth which protrude outwards and extend along the height direction of the roller are arranged on the outer circumferential wall of the roller.
6. The stone crushing apparatus as recited in claim 5, wherein: the roller is internally provided with an inner cavity for accommodating water, and the side wall of the roller is provided with a water through hole communicated with the inner cavity.
7. The stone crushing apparatus as recited in claim 5, wherein: the outer side wall of the spiral pressing tooth is provided with a slope with a high height and a low height.
8. A stone crushing apparatus as claimed in claim 3, wherein: the supporting seat comprises an upper seat and a lower seat, the upper seat is fixedly connected to the top of the lower seat, a containing groove is formed between the upper seat and the lower seat, a convex wall which is matched with the containing groove and protrudes radially outwards is arranged on the outer circumferential wall of the annular base, and the convex wall is in clearance fit in the containing groove.
9. The stone crushing apparatus as recited in claim 1, wherein: the inner wall of an inner hole at the lower end of the annular base is a conical surface with a small upper part and a big lower part, and the upper end of the conical surface is communicated with the lower end of the discharge hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256267.6A CN110975976B (en) | 2019-12-10 | 2019-12-10 | Stone crushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256267.6A CN110975976B (en) | 2019-12-10 | 2019-12-10 | Stone crushing device |
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| CN110975976A true CN110975976A (en) | 2020-04-10 |
| CN110975976B CN110975976B (en) | 2022-05-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113171871A (en) * | 2021-06-11 | 2021-07-27 | 浙江唯胜园林建设有限公司 | Stone rolling and crushing device for municipal road construction and rolling method thereof |
| CN113856801A (en) * | 2021-09-09 | 2021-12-31 | 浙江武精机器制造有限公司 | Cone crusher with controllable forced-disengaging area |
| CN116408189A (en) * | 2021-12-30 | 2023-07-11 | 安徽省大艾健康管理有限公司 | Kneading equipment and assembling method thereof |
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| CN113171871A (en) * | 2021-06-11 | 2021-07-27 | 浙江唯胜园林建设有限公司 | Stone rolling and crushing device for municipal road construction and rolling method thereof |
| CN113856801A (en) * | 2021-09-09 | 2021-12-31 | 浙江武精机器制造有限公司 | Cone crusher with controllable forced-disengaging area |
| CN113856801B (en) * | 2021-09-09 | 2023-01-10 | 浙江武精机器制造有限公司 | Cone crusher with controllable forced-disengaging area |
| CN116408189A (en) * | 2021-12-30 | 2023-07-11 | 安徽省大艾健康管理有限公司 | Kneading equipment and assembling method thereof |
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| CN110975976B (en) | 2022-05-24 |
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