CN212791112U

CN212791112U - Rolling bearing type cone crusher

Info

Publication number: CN212791112U
Application number: CN202021229073.5U
Authority: CN
Inventors: 江小辉; 雷华君; 庄韵嘉
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-26
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a circular cone crushing equipment technical field, concretely relates to antifriction bearing formula cone crusher, its characterized in that: the device comprises a main frame, an upper frame assembly, an eccentric shaft assembly, a cone head assembly and a transmission case assembly, wherein a main shaft is arranged at the center of the bottom of the main frame, the eccentric shaft assembly is arranged on the main shaft, the cone head assembly is arranged on the eccentric shaft assembly, the transmission case assembly is arranged in a horizontal inner cavity at the bottom of the main frame and is in transmission connection with the eccentric shaft assembly, the upper frame assembly is arranged at the upper part of the main frame through a wedge-shaped ring assembly, an anti-twisting device for preventing the upper frame assembly from twisting is arranged on one side of the main frame, a regulating hydraulic cylinder for driving the upper frame assembly to move up and down is arranged on the outer side of the main frame, and the top. The utility model has the advantages that the whole structure is novel, through adjusting the removal alright realization bin outlet of pneumatic cylinder drive frame and adjust and cross the iron release, in addition, the biggest feeding size can not reduce along with the wearing and tearing of welt.

Description

Rolling bearing type cone crusher

Technical Field

The utility model relates to a circular cone crushing equipment technical field, specificly relate to a antifriction bearing formula cone crusher.

Background

The cone crusher is a construction machinery that is extensively applicable to raw materials in mine, metallurgy, building, chemical industry and silicate trade, its breakage ratio is big, efficient energy consumption is low and broken granularity is even adjustable, be fit for various well garrulous and finely divided ores, rocks, the cone crusher is at the course of the work, pass through transmissions such as V-belt, band pulley, bevel gear by the motor, it is rotary motion to drive eccentric cone, because the eccentric action of cone, make the mobile cone of breaker be close to when centering on the central line, keep away from the fixed cone often, the material constantly receives the impact in broken chamber, extrusion and bending action, thereby realize broken operation.

The existing cone crusher is commonly provided with a spiral cone crusher, the filter cup is driven to rotate by a hydraulic motor, the filter cup is driven to move up and down in a rotating mode in a fixed nut, then the distance between a lining plate of the filter cup and a movable cone lining plate is increased or reduced, and the size of a discharge hole is adjusted, in addition, the filter cup and the fixed nut assembly can be lifted up temporarily by the stretching of a hydraulic cylinder and the action of a pressure accumulator, the size of the discharge hole is increased, non-crushable materials are discharged, after the non-crushable materials are discharged, the filter cup and the fixed nut automatically return to the normal position to continue working, the spiral cone crusher is complex in overall structure, different driving parts are needed to achieve the adjustment of the discharge hole and the iron-passing release function, the later maintenance is inconvenient, in addition, because the upper end of a movable cone head of the spiral cone crusher is always lower than the upper end of the lining plate of the filter cup, at this moment, the distance from the upper end of the lining plate of the filter cup to the upper end of the movable cone head is the size of the feed inlet, because the wear speed of the parallel area of the lower part of the lining plate is faster than that of the upper part of the lining plate, when the filter cup is adjusted to compensate the wear, the size of the feed inlet is influenced, generally speaking, during the service life of the lining plate, the size of the feed inlet is reduced by about 30 percent, for example, when a new lining plate is just used, the size of the discharge outlet is set to be 38mm, the corresponding maximum feed inlet size is 295mm, when the lining plate is worn to be out of use, the maximum feed inlet size is 206.5mm, if the discharge size of a superior device is kept unchanged, the discharge size of the superior device is larger than the feed size of the device, material clamping can be caused, and the normal.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an overall structure is novel, through the removal that the frame was gone up in the regulation pneumatic cylinder drive alright realize the bin outlet and adjust and cross the iron release, in addition, the biggest feeding size can not be along with the wearing and tearing of welt and a antifriction bearing formula cone crusher that reduces.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: a rolling bearing type cone crusher comprises a main frame, an upper frame assembly, an eccentric shaft assembly, a cone head assembly and a transmission case assembly, wherein a main shaft is arranged at the center of the bottom of the main frame, the eccentric shaft assembly is arranged on the main shaft, the cone head assembly is arranged on the eccentric shaft assembly, the transmission case assembly is arranged in a horizontal inner cavity at the bottom of the main frame and is in transmission connection with the eccentric shaft assembly, the upper frame assembly is arranged on the upper portion of the main frame through a wedge-shaped ring assembly, an anti-twisting device used for preventing the upper frame assembly from twisting is arranged on one side of the main frame, a plurality of adjusting hydraulic cylinders are arranged on the outer side of the main frame and are used for driving the upper frame assembly to move up and down, so that the discharge opening is adjusted, and the top.

Further, the eccentric shaft assembly includes the eccentric body, the rotary seal circle, big bevel gear, go up cylindrical roller bearing, lower cylindrical roller bearing, go up tapered roller bearing and tapered roller bearing down, rotary seal circle and the equal fixed mounting of big bevel gear are on the eccentric body, go up cylindrical roller bearing and last tapered roller bearing and all overlap and locate the eccentric body outside and be connected with eccentric body interference fit, lower cylindrical roller bearing and lower tapered roller bearing all overlap locate on the main shaft and be connected and be located the eccentric body inside with main shaft interference fit.

Furthermore, the transmission case assembly comprises a transmission case body, a transmission shaft, a small bevel gear and a tapered roller bearing, wherein the transmission shaft is arranged in the transmission case body through the tapered roller bearing, the output end of the transmission shaft is provided with the small bevel gear, and the small bevel gear is in meshing transmission with the large bevel gear.

Furthermore, the cone head assembly comprises a movable cone, a movable cone lining plate and a movable cone nut, the movable cone lining plate is sleeved on the movable cone, the movable cone is sleeved on the upper cylindrical roller bearing and the upper tapered roller bearing, and the movable cone nut is in threaded connection with the upper end of the movable cone so as to realize locking and fixing of the movable cone lining plate.

Furthermore, labyrinth seals are arranged between the rotary sealing ring and the movable cone and between the rotary sealing ring and the main frame.

Furthermore, the upper frame assembly comprises an upper frame and a fixed cone lining plate, and the fixed cone lining plate is fixedly arranged in an inner cavity of the upper frame.

Further, the wedge circle assembly includes wedge circle and a plurality of thick short jack hydraulic cylinder, and the wedge circle is the open loop structure and overlaps and locate the main frame upper portion outside, and thick short jack hydraulic cylinder is installed on the main frame and is used for upwards jacking up the wedge circle and make to expand tightly to be connected between upper frame and the main frame through the wedge cooperation between wedge circle and the main frame.

Furthermore, the anti-torsion device comprises an anti-torsion plate and a limiting block, the limiting block is fixedly arranged on the upper rack and embedded in a limiting groove formed in the anti-torsion plate, and the anti-torsion plate is fixedly arranged on the main rack.

Furthermore, the cylinder body of the adjusting hydraulic cylinder is connected with the main frame, and the piston rod of the adjusting hydraulic cylinder is connected with the upper frame.

It can be known from the above description that the utility model provides a rolling bearing formula cone crusher overall structure is novel, through adopting the roller bearing structure, compare in the bush structure, it has got rid of the axle of embracing that the bush structure exists, flying dust, high temperature scheduling problem, it has reduced coefficient of friction to the drive power of input can be reduced, in the equipment of equal productivity, the energy consumption is lower, it can demonstrate good performance in the application operating mode of hard and high load, still have higher elasticity in harder application operating mode simultaneously, and be difficult for breaking down under the high load condition; in the adjusting range of the discharge port, the top end of the movable cone nut is always higher than the top end of the upper frame assembly, the movable cone nut is in a cylindrical shape, at the moment, the distance from the top end of the upper frame assembly to the outer surface of the movable cone nut is the size of the feed port, and in the using process of the cone crushing main machine, the position of the top end of the upper frame assembly is always within the height range of the movable cone nut, so that the distance can be ensured to be always kept unchanged, the size of the feed port is further ensured to be always kept unchanged, and the movable cone nut cannot be reduced along with the abrasion of the lining; when broken host computer of circular cone during operation, adjust the hydraulic cylinder and can hold the frame, avoid going up the frame because of crushing pressure drunkenness that makes progress, ensure that broken host computer of circular cone keeps invariable bin outlet size to carry out crushing work, the flexible of pneumatic cylinder is adjusted in the accessible adjustment, thereby the size of a dimension of adjustment bin outlet, get into some when broken chamber pressure is too big as iron plate etc. can not broken material and lead to when broken chamber pressure when broken intracavity of broken host computer of circular cone, thereby adjust the extendible and drive frame rebound increase bin outlet size of going up of hydraulic cylinder, the material that can not be broken in the broken intracavity of timely discharging, thereby realize crossing iron release function.

Drawings

Fig. 1 is a schematic view of the internal structure of a rolling bearing type cone crusher of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1-a main frame; 2-upper frame assembly; 21-mounting the frame; 22-fixed cone lining board; 31-an eccentric body; 32-rotary seal ring; 321-labyrinth seal; 33-large bevel gear; 34-upper cylindrical roller bearings; 35-lower cylindrical roller bearing; 36-upper tapered roller bearing; 37-lower tapered roller bearing; 4-a cone head assembly; 41-moving cone; 42-moving cone lining board; 43-a moving cone nut; 51-a transmission case; 52-a drive shaft; 53-bevel pinion; 54-tapered roller bearings; 6-a main shaft; 7-a wedge ring assembly; 71-a wedge ring; 72-hydraulic cylinder of thick and short jack; 8-an anti-twist device; 81-anti-twist plate; 811-a spacing groove; 82-a limiting block; 9-adjusting the hydraulic cylinder.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1 and fig. 2, the rolling bearing type cone crusher of the present invention comprises a main frame 1, an upper frame assembly 2, an eccentric shaft assembly, a cone head assembly 4 and a transmission case assembly, wherein a main shaft 6 is disposed at the bottom center of the main frame 1, the eccentric shaft assembly is disposed on the main shaft 6, the cone head assembly 4 is disposed on the eccentric shaft assembly, the transmission case assembly is disposed in a horizontal inner cavity at the bottom of the main frame 1 and is in transmission connection with the eccentric shaft assembly, the upper frame assembly 2 is disposed at the upper portion of the main frame 1 through a wedge ring 71 assembly 7, an anti-twisting device 8 for preventing the upper frame assembly 2 from twisting is disposed at one side of the main frame 1, a plurality of adjusting hydraulic cylinders 9 are disposed at the outer side of the main frame 1, the adjusting hydraulic cylinders 9 are used for driving the upper frame assembly 2 to move up and down to realize adjustment of a discharge opening, and in the adjusting range of the discharge port, the top end of the conical head assembly 4 is always higher than the top end of the upper frame assembly 2.

As shown in fig. 1, the eccentric shaft assembly includes an eccentric body 31, a rotary seal ring 32, a large bevel gear 33, an upper cylindrical roller bearing 34, a lower cylindrical roller bearing 35, an upper tapered roller bearing 36 and a lower tapered roller bearing 37, wherein the rotary seal ring 32 and the large bevel gear 33 are both fixedly mounted on the eccentric body 31, the upper cylindrical roller bearing 34 and the upper tapered roller bearing 36 are both sleeved outside the eccentric body 31 and are in interference fit connection with the eccentric body 31, the lower cylindrical roller bearing 35 and the lower tapered roller bearing 37 are both sleeved on the main shaft 6 and are in interference fit connection with the main shaft 6 and are located inside the eccentric body 31, and by adopting this structure, compared with a bushing structure, the eccentric shaft assembly gets rid of the problems of shaft holding, dust flying, high temperature and the like existing in the bushing structure, and the friction coefficient is reduced, thereby reducing the input driving power, in the equipment of equal productivity, the energy consumption is lower, and it can demonstrate good performance in the application operating mode of hard and high load, still has higher elasticity simultaneously in harder application operating mode, and is difficult for breaking down under the high load condition, and in addition, roller bearing has characteristics such as longe-lived, permanence, has also greatly reduced the fault rate of equipment, has reduced later maintenance cost and intensity of labour.

As shown in fig. 1 and 2, the transmission case assembly includes a transmission case body 51, a transmission shaft 52, a small bevel gear 53 and a tapered roller bearing 54, the transmission shaft 52 is mounted in the transmission case body 51 through the tapered roller bearing 54, the small bevel gear 53 is mounted at an output end of the transmission shaft 52, and the small bevel gear 53 is in meshing transmission with the large bevel gear 33.

As shown in fig. 1, the cone head assembly 4 includes a movable cone 41, a movable cone lining plate 42 and a movable cone nut 43, the movable cone lining plate 42 is sleeved on the movable cone 41, the movable cone 41 is sleeved on the upper cylindrical roller bearing 34 and the upper tapered roller bearing 36, the movable cone nut 43 is in threaded connection with the upper end of the movable cone 41 to lock and fix the movable cone lining plate 42, the overall structure is simple, the movable cone lining plate 42 is convenient to mount and dismount, within the range of adjustment of the discharge opening, the top end of the movable cone nut 43 is always higher than the top end of the upper frame assembly 2, the movable cone nut 43 is in a cylindrical shape, at this time, the distance between the top end of the upper frame assembly 2 and the outer surface of the movable cone nut 43 is the size of the feed opening, during the use of the cone crushing main machine, the top end of the upper frame assembly 2 is always located within the height range of the movable cone nut 43, therefore, the distance can be kept unchanged all the time, the size of the feeding hole is further guaranteed to be kept unchanged all the time, the feeding hole cannot be reduced along with the abrasion of the lining plate, in addition, when the feeding material enters the cone crushing main machine, the material firstly falls on the movable cone nut 43, the material distribution effect can be achieved, and the material is uniformly dispersed into the crushing cavity of the cone crushing main machine.

As shown in fig. 1 and 2, labyrinth seals 321 are disposed between the rotary seal ring 32 and the movable cone 41 and between the rotary seal ring and the main frame 1, so that dust generated during operation of the main cone crusher can be prevented from entering the movable cone 41, a dustproof effect is achieved, and normal operation of the main cone crusher is ensured.

As shown in fig. 1, the upper frame assembly 2 includes an upper frame 21 and a fixed cone liner plate 22, and the fixed cone liner plate 22 is fixedly installed in an inner cavity of the upper frame 21.

As shown in fig. 1 and 2, the wedge ring 71 assembly 7 includes a wedge ring 71 and a plurality of short and thick jack hydraulic cylinders 72, the wedge ring 71 is in an open-loop structure and is sleeved outside the upper portion of the main frame 1, the short and thick jack hydraulic cylinders 72 are mounted on the main frame 1 and are used for jacking up the wedge ring 71 and enabling the upper frame 21 and the main frame 1 to be in tight expansion connection through wedge fit between the wedge ring 71 and the main frame 1, and by adopting this structure, the upper frame 21 can be stably located on the upper portion of the main frame 1, and plays a role in limiting the upper frame 21, and the upper frame 21 is prevented from shaking back and forth and left and right.

As shown in fig. 2, the anti-torsion device 8 comprises an anti-torsion plate 81 and a limiting block 82, the limiting block 82 is fixedly arranged on the upper frame 21 and embedded in a limiting groove 811 on the anti-torsion plate 81, the anti-torsion plate 81 is fixedly arranged on the main frame 1, and by adopting the structure, the upper frame 21 can be prevented from being twisted due to the action of crushing force when the cone crushing main machine works, so that the reliable and stable operation of the cone crushing main machine is ensured.

As shown in fig. 1, the cylinder body of the adjusting hydraulic cylinder 9 is connected with the main frame 1, the piston rod of the adjusting hydraulic cylinder 9 is connected with the upper frame 21, when the cone crushing main machine works, the adjusting hydraulic cylinder 9 can pull the upper frame 21, the upper frame 21 is prevented from moving upwards due to crushing pressure, and the cone crushing main machine is ensured to maintain a constant discharge opening size for crushing; the expansion and contraction of the adjusting hydraulic cylinder 9 can be adjusted, so that the size of the discharge opening is adjusted; when the crushing cavity of the main cone crushing machine enters some uncrushable materials such as iron blocks and the pressure of the crushing cavity is too large, the adjusting hydraulic cylinder 9 can stretch and drive the upper frame 21 to move upwards to increase the size of the discharge opening and discharge the uncrushable materials in the crushing cavity in time, so that the function of releasing iron is realized.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A rolling bearing type cone crusher comprises a main frame, an upper frame assembly, an eccentric shaft assembly, a cone head assembly and a transmission case assembly, wherein a main shaft is arranged at the center of the bottom of the main frame, the eccentric shaft assembly is arranged on the main shaft, the cone head assembly is arranged on the eccentric shaft assembly, the transmission case assembly is arranged in a horizontal inner cavity at the bottom of the main frame and is in transmission connection with the eccentric shaft assembly, and the rolling bearing type cone crusher is characterized in that: the upper frame assembly is arranged on the upper portion of the main frame through the wedge-shaped ring assembly, an anti-twisting device used for preventing the upper frame assembly from twisting is arranged on one side of the main frame, a plurality of adjusting hydraulic cylinders are arranged on the outer side of the main frame and used for driving the upper frame assembly to move up and down so as to achieve adjustment of a discharge hole, and the top end of the cone head assembly is always higher than the top end of the upper frame assembly within the adjusting range of the discharge hole.

2. A rolling bearing cone crusher in accordance with claim 1 wherein: the eccentric shaft assembly comprises an eccentric body, a rotary sealing ring, a large bevel gear, an upper cylindrical roller bearing, a lower cylindrical roller bearing, an upper tapered roller bearing and a lower tapered roller bearing, wherein the rotary sealing ring and the large bevel gear are fixedly arranged on the eccentric body, the upper cylindrical roller bearing and the upper tapered roller bearing are sleeved on the outer side of the eccentric body and are in interference fit connection with the eccentric body, and the lower cylindrical roller bearing and the lower tapered roller bearing are sleeved on the main shaft and are in interference fit connection with the main shaft and are located inside the eccentric body.

3. A rolling bearing cone crusher in accordance with claim 2 wherein: the transmission case assembly comprises a transmission case body, a transmission shaft, a small bevel gear and a tapered roller bearing, wherein the transmission shaft is installed in the transmission case body through the tapered roller bearing, the small bevel gear is installed at the output end of the transmission shaft, and the small bevel gear is in meshing transmission with the large bevel gear.

4. A rolling bearing cone crusher in accordance with claim 2 wherein: the cone head assembly comprises a movable cone, a movable cone lining plate and a movable cone nut, the movable cone lining plate is sleeved on the movable cone, the movable cone is sleeved on the upper cylindrical roller bearing and the upper tapered roller bearing, and the movable cone nut is in threaded connection with the upper end of the movable cone so as to lock and fix the movable cone lining plate.

5. A rolling bearing cone crusher in accordance with claim 4 wherein: labyrinth seals are arranged between the rotary sealing ring and the movable cone and between the rotary sealing ring and the main frame.

6. A rolling bearing cone crusher in accordance with claim 1 wherein: the upper frame assembly comprises an upper frame and a fixed cone lining plate, and the fixed cone lining plate is fixedly arranged in an inner cavity of the upper frame.

7. A rolling bearing cone crusher in accordance with claim 6 wherein: the wedge ring assembly comprises a wedge ring and a plurality of thick and short jack hydraulic cylinders, the wedge ring is of an open-loop structure and is sleeved on the outer side of the upper portion of the main frame, and the thick and short jack hydraulic cylinders are installed on the main frame and used for upwards jacking the wedge ring and enabling the upper frame to be connected with the main frame in an expanding mode through wedge matching between the wedge ring and the main frame.

8. A rolling bearing cone crusher in accordance with claim 6 wherein: the anti-torsion device comprises an anti-torsion plate and a limiting block, the limiting block is fixedly arranged on the upper rack and embedded in a limiting groove in the anti-torsion plate, and the anti-torsion plate is fixedly arranged on the main rack.

9. A rolling bearing cone crusher in accordance with claim 6 wherein: the adjusting hydraulic cylinder body is connected with the main frame, and the adjusting hydraulic cylinder piston rod is connected with the upper frame.