CN210787682U

CN210787682U - Crushing device for coal mining of coal mine

Info

Publication number: CN210787682U
Application number: CN201921767919.8U
Authority: CN
Inventors: 张建强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-19
Anticipated expiration: 2029-10-21

Abstract

The utility model belongs to the technical field of coal mining devices, in particular to a crushing device for coal mining in coal mines, which comprises an outer shell, wherein speed reducers are arranged at the left end and the right end of the outer shell, a traction part is arranged at the right side of the speed reducer, an oil cylinder is arranged at the right side of the traction part, a first motor is arranged at the right side of the oil cylinder, a first electric push rod is fixedly connected with the front end of the outer shell, the first electric push rod is fixedly connected with a first box body, a first groove and a second groove are formed in the first box body, and a second motor is fixedly connected with the top of the first groove; the utility model discloses, thereby rotate through the output shaft that sets up the third motor and drive the second pivot and rotate and drive broken dish and pick and rotate and to carry out the breakage to the little coal cinder that the coal mining in-process dropped, broken dish sets to the spiral degree of breaking that can strengthen the coal cinder, increases breaker's crushing efficiency, and the quartering hammer can break the big coal cinder that the piece falls.

Description

Crushing device for coal mining of coal mine

Technical Field

The utility model belongs to the technical field of coal mining device, concretely relates to coal mining uses breaker.

Background

Coal mine resources in China are abundant, but in some areas, coal beds are relatively thick and good in coal quality, but the hardness of coal is high, so that large coal blocks are easily formed in the mining process, the operation of fully mechanized mining equipment is influenced, the starting rate is reduced, workers are easily injured, and the normal production flow is restricted; however, the existing crushing device has small motor power due to structural limitation, so that the rotary torque and crushing force of the crushing device are small, the coal blocks with large diameters cannot be effectively crushed in time in the coal mining process, large coal blocks are more and more common in coal mining along with the increase of the height of a coal face, and once the coal blocks are too large, the coal blocks are blocked at a coal passing space port to block the advance of the crushing device.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a breaker for coal mining in colliery to solve the problem of mentioning in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the crushing device for coal mining in the coal mine comprises a shell, wherein two speed reducers are arranged in the shell, a traction part is arranged on the right side of each speed reducer, an oil cylinder is arranged on the right side of each traction part, and a first motor is arranged on the right side of each oil cylinder;

the front end of the shell is fixedly connected with a first electric push rod, one end of the first electric push rod is fixedly connected with a first box body, a first groove and a second groove are formed in the first box body, the top in the first groove is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with a lead screw, a thread sleeve is sleeved on the surface of the lead screw in a threaded manner, the bottom end of the lead screw is fixedly connected with a first rotating shaft, the first rotating shaft is rotatably connected with a first bearing, the first bearing is embedded at the bottom in the first groove, a slide bar is arranged in the second groove, and a slide sleeve is sleeved on the surface of the slide bar;

thread bush and sliding sleeve fixed surface are connected with the backup pad, two support columns of top fixedly connected with of backup pad, two the support column top has the second box through first round pin axle swing joint, the equal fixedly connected with fixed plate in side of second box and backup pad, two the fixed plate has the fly leaf, two through the equal swing joint of second round pin axle the equal fixedly connected with third electric putter of opposite face of fly leaf, be provided with the third motor in the second box, the output shaft fixedly connected with second pivot of third motor, the second pivot passes the second bearing and rotates and be connected with broken dish.

Preferably, the front end of the first box body is fixedly connected with a second electric push rod, and the front end of the second electric push rod is fixedly connected with a breaking hammer.

Preferably, the rear end of the housing is provided with a control switch.

Preferably, the surface of the crushing disc is fixedly connected with a fixing block, and the fixing block is fixedly connected with a cutting pick through a bolt.

Preferably, the bottom of the first box is provided with rollers.

Preferably, the bottom of the shell is fixedly connected with a bottom bracket, the bottom of the bottom bracket is fixedly connected with a foot rest, and the surface of the foot rest is connected with a conveyor groove in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, the output shaft through setting up the third motor rotates and drives the rotation of second pivot to drive crushing dish and pick and rotate and can break the little coal cinder that drops in the coal mining process, the crushing dish sets up to spiral can increase the broken degree to the coal cinder, increase the crushing efficiency of breaker, the quartering hammer can break the big coal cinder that the piece falls, the flexible back-and-forth movement that can drive the first box of flexible electric putter, the flexible back-and-forth movement that can drive the quartering hammer of flexible electric putter of second, the rotation of second motor output shaft can drive the lead screw rotation and thus drive the thread bush and slide, can drive the backup pad side to side slip under the sliding cooperation of sliding sleeve and slide bar, through the thrust of third electric putter, can go up and down the second box with the help of the mobile effect of first round pin axle and two second round pin axles, pass the fixed block through the bolt and thus fixed pick can only change the pick that damages when maintaining, the maintenance cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top sectional view of the first case;

FIG. 4 is a schematic structural view of a front cross section of the crushing disk;

in the figure: 1. a housing; 2. a first motor; 3. an oil cylinder; 4. a traction part; 5. a speed reducer; 6. a bottom bracket; 7. a foot rest; 8. a conveyor trough; 9. a roller; 10. a first electric push rod; 11. a first case; 12. a first groove; 13. a second motor; 14. a screw rod; 15. a threaded sleeve; 16. a first rotating shaft; 17. a first bearing; 18. a second groove; 19. a slide bar; 20. a sliding sleeve; 21. a second electric push rod; 22. a breaking hammer; 23. a support plate; 24. a second case; 25. a support pillar; 26. a first pin shaft; 27. a fixing plate; 28. a movable plate; 29. a second pin shaft; 30. a third electric push rod; 31. a third motor; 32. a second rotating shaft; 33. a second bearing; 34. a crushing disc; 35. a cutting pick; 36. a fixed block; 37. a bolt; 38. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a crushing device for coal mining in a coal mine comprises a shell 1, wherein two speed reducers 5 are arranged in the shell 1, a traction part 4 is arranged on the right side of each speed reducer 5, an oil cylinder 3 is arranged on the right side of each traction part 4, and a first motor 2 is arranged on the right side of each oil cylinder 3;

a first electric push rod 10 is fixedly connected to the front end of the housing 1, a first box 11 is fixedly connected to one end of the first electric push rod 10, the first box 11 can be driven to move back and forth by the extension and contraction of the first electric push rod 10, a first groove 12 and a second groove 18 are formed in the first box 11, a second motor 13 is fixedly connected to the top of the first groove 12, a lead screw 14 is fixedly connected to an output shaft of the second motor 13, a threaded sleeve 15 is sleeved on the surface of the lead screw 14 through a thread, a first rotating shaft 16 is fixedly connected to the bottom end of the lead screw 14, the first rotating shaft 16 is rotatably connected with a first bearing 17, the first bearing 17 is embedded at the bottom of the first groove 12, a sliding rod 19 is arranged in the second groove 18, a sliding sleeve 20 is sleeved on the surface of the sliding rod 19, the output shaft of the second motor 13 can drive the lead screw 14 to rotate so as to drive the threaded sleeve, the support plate 23 can be driven to slide left and right under the sliding fit of the sliding sleeve 20 and the sliding rod 19;

the threaded sleeve 15 and the sliding sleeve 20 are fixedly connected with a supporting plate 23 on the surface, the top end of the supporting plate 23 is fixedly connected with two supporting columns 25, the top ends of the two supporting columns 25 are movably connected with a second box body 24 through a first pin shaft 26, the side surfaces of the second box body 24 and the supporting plate 23 are fixedly connected with fixed plates 27, the two fixed plates 27 are movably connected with movable plates 28 through second pin shafts 29, the opposite surfaces of the two movable plates 28 are fixedly connected with third electric push rods 30, the second box body 24 can be lifted and lowered under the action of the first pin shaft 26 and the two second pin shafts 29 through the thrust of the third electric push rods 30, a third motor 31 is arranged in the second box body 24, the output shaft of the third motor 31 is fixedly connected with a second rotating shaft 32, and the second rotating shaft 32 passes through a second bearing 33 and is rotatably connected with a crushing disc, thereby the output shaft of third motor 31 rotates and drives second pivot 32 and rotate and drive crushing dish 34 and pick 35 and rotate and can carry out the breakage to the little coal cinder that the coal mining in-process dropped, and crushing dish 35 sets to the spiral degree of breaking that can increase the coal cinder, increases breaker's crushing efficiency.

Specifically, the front end of the first box 11 is fixedly connected with a second electric push rod 21, the front end of the second electric push rod 21 is fixedly connected with a breaking hammer 22, the second electric push rod 21 can stretch and retract to drive the breaking hammer 22 to move back and forth, and the breaking hammer 22 can break large coal blocks which fall.

Specifically, the rear end of the housing 1 is provided with a control switch 38.

Specifically, the fixed block 36 is fixedly connected to the surface of the crushing disc 34, the cutting teeth 35 are fixedly connected to the fixed block 36 through bolts 37, and the bolts 37 penetrate through the fixed block 36 to fix the cutting teeth 35, so that only damaged cutting teeth 35 can be replaced during maintenance, and maintenance cost is reduced.

Specifically, the bottom of the first box 11 is provided with a roller 9.

Specifically, the bottom of shell 1 is fixedly connected with bottom bracket 6, the bottom fixedly connected with foot rest 7 of bottom bracket 6, the surperficial sliding connection of foot rest 7 has conveyer groove 8.

The utility model discloses a theory of operation and use flow: when the utility model is used, the crushing device slides in the conveyor groove 8 to a proper position through the foot stand 7, the control switch 38 is opened, the third motor 31 starts to work, the third motor 31 drives the second rotating shaft 32 to rotate through the rotation of the output shaft so as to drive the crushing disc 34 and the cutting tooth 35 to rotate, when the crushing disc 34 needs to adjust the angle, the third electric push rod 30 is started, the third electric push rod 30 stretches and the first pin shaft 26 rotates to drive the second box body 24 to lift so as to drive the crushing disc 34 to lift, moves to a proper position, the third electric push rod 30 is closed, when the crushing disc 34 needs to move left and right, the second motor 13 is started, the output shaft of the second motor 13 rotates to drive the screw rod 14 to rotate so as to drive the threaded sleeve 15 to slide, the support plate 23 can be driven to move left and right under the sliding fit of the sliding sleeve 20 and the sliding rod 19, so, move to suitable position, carry out the breakage to the coal cinder, close second motor 13, start second electric putter 21, the flexible back-and-forth movement that drives quartering hammer 22 of second electric putter 21 moves to suitable position, carry out the breakage to the bold coal, close second electric putter 21, start first electric putter 10, the flexible back-and-forth movement that drives first box 11 of the roll of gyro wheel 9 of first electric putter 10, move to suitable position, then close first electric putter 10, then close control switch 30, third motor 31 stop work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a colliery is breaker for coal mining, includes shell (1), its characterized in that: two speed reducers (5) are arranged in the shell (1), a traction part (4) is arranged on the right side of each speed reducer (5), an oil cylinder (3) is arranged on the right side of each traction part (4), and a first motor (2) is arranged on the right side of each oil cylinder (3);

a first electric push rod (10) is fixedly connected with the front end of the shell (1), one end of the first electric push rod (10) is fixedly connected with a first box body (11), a first groove (12) and a second groove (18) are arranged in the first box body (11), a second motor (13) is fixedly connected with the top part in the first groove (12), a screw rod (14) is fixedly connected on an output shaft of the second motor (13), a thread sleeve (15) is sleeved on the surface of the screw rod (14) in a threaded manner, a first rotating shaft (16) is fixedly connected to the bottom end of the screw rod (14), the first rotating shaft (16) is rotatably connected with a first bearing (17), the first bearing (17) is embedded at the bottom in the first groove (12), a sliding rod (19) is arranged in the second groove (18), and a sliding sleeve (20) is sleeved on the surface of the sliding rod (19);

the surfaces of the threaded sleeve (15) and the sliding sleeve (20) are fixedly connected with a supporting plate (23), the top end of the supporting plate (23) is fixedly connected with two supporting columns (25), the top ends of the two supporting columns (25) are movably connected with a second box body (24) through a first pin shaft (26), the side surfaces of the second box body (24) and the supporting plate (23) are fixedly connected with fixed plates (27), two fixed plates (27) are movably connected with movable plates (28) through second pin shafts (29), the opposite surfaces of the two movable plates (28) are fixedly connected with third electric push rods (30), a third motor (31) is arranged in the second box body (24), an output shaft of the third motor (31) is fixedly connected with a second rotating shaft (32), the second rotating shaft (32) penetrates through a second bearing (33) and is rotatably connected with a crushing disc (34).

2. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the front end of the first box body (11) is fixedly connected with a second electric push rod (21), and the front end of the second electric push rod (21) is fixedly connected with a breaking hammer (22).

3. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the rear end of the shell (1) is provided with a control switch (38).

4. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the surface of the crushing disc (34) is fixedly connected with a fixing block (36), and the fixing block (36) is fixedly connected with a cutting pick (35) through a bolt (37).

5. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: and the bottom of the first box body (11) is provided with rollers (9).

6. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the bottom fixedly connected with bottom bracket (6) of shell (1), the bottom fixedly connected with foot rest (7) of bottom bracket (6), the surperficial sliding connection of foot rest (7) has conveyer groove (8).