CN220678130U

CN220678130U - Crushing device for coal mining

Info

Publication number: CN220678130U
Application number: CN202320888225.XU
Authority: CN
Inventors: 刘成
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2024-03-29
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a crushing device for coal mine exploitation, which belongs to the technical field of coal mine exploitation equipment and comprises a crushing box, wherein a screening component is arranged in the crushing box, and a dust falling component is arranged on the side surface of the crushing box; according to the utility model, the dust falling component is arranged, the air extractor can suck the smoke dust generated by crushing the coal mine in the crushing box, and the smoke dust is led into the water box through the guide pipe to be settled when meeting water, so that the dust content in the air is reduced, a good working environment is facilitated to be created, and the fine coal slag in the water box can be salvaged out for recycling after the screen is taken out.

Description

Crushing device for coal mining

Technical Field

The utility model belongs to the technical field of coal mining equipment, and particularly relates to a crushing device for coal mining.

Background

Coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines.

The utility model discloses a crushing device for coal mining, which comprises a crushing box, wherein an anti-blocking structure is arranged at the lower end in the crushing box, buffer plates are obliquely and alternately arranged on the left side wall surface and the right side wall surface in the crushing box, and first crushing rollers are symmetrically arranged on the left side of the upper wall surface of the crushing box.

In the above-mentioned published patent, the colliery after the breakage can directly fall on the conveyer belt and carry away, and partial big piece of coal that does not break completely also can mix with wherein, and crushing processing effect is general, and can produce great smoke and dust in the crushing process to the colliery, can influence the environmental air and cause harm to staff's health.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a crushing device for coal mining, which has the characteristics of good crushing effect and high safety.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a breaker for coal mining, includes the crushing case, the inside of crushing case is provided with screening subassembly, and anti-blocking mechanism is installed to screening subassembly's top, and anti-blocking mechanism's top is provided with the buffer board, and screening subassembly's below is provided with the conveyer belt, and preliminary broken storehouse is installed at the top of crushing case, and the side of crushing case is provided with dust fall subassembly.

Preferably, the screening assembly is including screening board, motor, control roller, spring, slider and drive block, and wherein, the inside of broken case is provided with the screening board, and the four sides of screening board all are connected with the slider, and the top and the bottom of slider all are connected with the spring, and the bottom of screening board is connected with the drive block, and the control roller is installed to the below of drive block, and the side of control roller is connected with the motor.

Preferably, the surface of the sliding block is tightly attached to the inner groove wall of the crushing box, the motor is eccentrically connected with the control roller, and the bottom of the transmission block is of a horizontal structure.

Preferably, the dust fall subassembly is including breathing pipe, air pump, water tank and pipe, and wherein, the side of broken case is provided with the water tank, and the air pump is installed to top one side of water tank, and the bottom of air pump is connected with the pipe, and the top of air pump is connected with the breathing pipe.

Preferably, the side surface of the air suction pipe is connected with two suction heads, and the guide pipe is in a hose-shaped structure.

Preferably, the inside of the water tank is provided with a screen, the top of the screen is connected with a handle, and the screen is connected with the water tank in a split mode.

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

1. according to the utility model, the screening assembly is arranged, the motor drives the control roller to rotate, so that the screening plate can shake up and down, further, shake screening can be implemented on coal mines on the screening plate, the coal mines meeting the crushing standard can fall onto the conveyor belt to be transported away, large-volume unbroken coal mines can roll off one side of the screening plate, and the coal mines can be collected in a concentrated manner and then subjected to secondary crushing processing, so that the crushing processing effect of the device on the coal mines is better.

2. According to the utility model, the dust falling assembly is arranged, the air extractor is started to suck air through the air suction pipe, smoke dust generated by crushing coal mines in the crushing box can be sucked out through the two suction heads, and then is guided into the water box through the guide pipe to be settled when meeting water, so that the dust content in the air is reduced, a good working environment is facilitated to be created, and fine coal slag in the water box can be fished out for recycling after the screen is taken out.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a side cross-sectional view of a screening assembly of the present utility model;

fig. 4 is a cross-sectional view of a dust suppression assembly of the present utility model.

In the figure: 1. a preliminary crushing bin; 2. a crushing box; 3. a dust fall assembly; 31. a suction head; 32. an air suction pipe; 33. an air extractor; 34. a water tank; 35. a screen; 36. a conduit; 4. a screening component; 41. a screening plate; 42. a motor; 43. a control roller; 44. a spring; 45. a slide block; 46. a transmission block; 5. a conveyor belt; 6. an anti-blocking mechanism; 7. and a buffer plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a breaker for coal mining, includes broken case 2, and the inside of broken case 2 is provided with screening subassembly 4, and anti-blocking mechanism 6 is installed to screening subassembly 4's top, and anti-blocking mechanism 6's top is provided with buffer board 7, and screening subassembly 4's below is provided with conveyer belt 5, and preliminary broken storehouse 1 is installed at broken case 2's top, and broken case 2's side is provided with dust fall subassembly 3.

Specifically, screening assembly 4 is including screening board 41, motor 42, control roller 43, spring 44, slider 45 and drive block 46, and the inside of crushing case 2 is provided with screening board 41, and the four sides of screening board 41 all are connected with slider 45, and the top and the bottom of slider 45 all are connected with spring 44, and the bottom of screening board 41 is connected with drive block 46, and control roller 43 is installed to the below of drive block 46, and control roller 43's side is connected with motor 42.

Through adopting above-mentioned technical scheme, screening board 41 can carry out the screening to the colliery, and broken colliery that is complete can fall to conveyer belt 5 and transport away, and the colliery that is complete is not broken in the large volume can roll from screening board 41 one side, can concentrate to collect and carry out secondary crushing processing again.

Specifically, the surface of the sliding block 45 is tightly attached to the inner groove wall of the crushing box 2, the motor 42 is eccentrically connected with the control roller 43, and the bottom of the transmission block 46 is in a horizontal structure.

By adopting the above technical scheme, the connection end of the motor 42 is connected with the control roller 43 in a way of being deviated from the center of the circle, and the screening plate 41 can shake up and down during the transferring process of the control roller 43.

When the coal mine crushing device is used, a coal mine to be crushed is placed into the primary crushing bin 1 to be subjected to primary crushing, the crushed coal mine falls onto the screening plate 41 after passing through the buffer plate 7 and the anti-blocking mechanism 6, the motor 42 is started to drive the control roller 43 to rotate, the screening plate 41 and the surface of the control roller 43 can be tightly attached under the elastic acting force of the spring 44, the phenomenon that the screening plate 41 shakes up and down in the process of turning the control roller 43 due to the eccentric center connection between the connecting end of the motor 42 and the control roller 43 can be caused, the coal mine on the screening plate 41 can be subjected to shaking screening, the coal mine meeting the crushing standard can fall onto the conveyor belt 5 to be transported away, a large amount of unbroken coal mine can roll off from one side of the screening plate 41, and secondary crushing processing can be collected in a concentrated mode, so that the crushing processing effect of the device on the coal mine is better.

Example 2

This embodiment differs from embodiment 1 in that: the dust fall assembly 3 comprises an air suction pipe 32, an air extractor 33, a water tank 34 and a guide pipe 36, the water tank 34 is arranged on the side face of the crushing box 2, the air extractor 33 is arranged on one side of the top of the water tank 34, the guide pipe 36 is connected to the bottom of the air extractor 33, and the air suction pipe 32 is connected to the top of the air extractor 33.

Specifically, two suction heads 31 are connected to the side surface of the suction pipe 32, and the conduit 36 has a hose-like structure.

By adopting the technical scheme, the dust generated by crushing the coal mine in the crushing box 2 can be pumped out through the two suction heads 31 so as to reduce the dust content in the air.

Specifically, a screen 35 is installed inside the water tank 34, a handle is connected to the top of the screen 35, and the screen 35 is detachably connected with the water tank 34.

By adopting the technical scheme, the fine coal cinder in the water tank 34 can be salvaged out for recycling by taking out the screen 35.

When the embodiment is used, the air extractor 33 is started to suck air through the air suction pipe 32, smoke dust generated by crushing coal mines in the crushing box 2 can be sucked out through the two suction heads 31, then the smoke dust is led into the water tank 34 through the guide pipe 36 to be settled when meeting water, the dust content in the air is reduced, a good working environment is facilitated to be created, and fine coal cinder in the water tank 34 can be salvaged out for recycling after the screen 35 is taken out.

The air extractor 33 is the prior disclosed technology, and the model is SFA;

the motor 42 of the present utility model is a conventional technology, and is selected from the model Z2D15W.

The structure and the use principle of the primary crushing bin 1, the crushing box 2, the conveyor belt 5, the anti-blocking mechanism 6 and the buffer plate 7 in the utility model are disclosed in the Chinese patent application number 202122475157.8, and the crushing device for coal mining has the working principle that a coal mine to be crushed is placed into the primary crushing bin 1 for primary crushing, and the crushed coal mine falls onto the conveyor belt 5 after passing through the buffer plate 7 and the anti-blocking mechanism 6 and is transported away.

The working principle and the using flow of the utility model are as follows: when the coal mine crushing device is used, a coal mine to be crushed is placed into the primary crushing bin 1 for primary crushing, the crushed coal mine falls onto the screening plate 41 after passing through the buffer plate 7 and the anti-blocking mechanism 6, the motor 42 is started to drive the control roller 43 to rotate, the screening plate 41 is tightly attached to the surface of the control roller 43 under the elastic acting force of the spring 44, the screening plate 41 is vibrated up and down in the process of turning the control roller 43 due to the eccentric center connection between the connecting end of the motor 42 and the control roller 43, the coal mine on the screening plate 41 can be subjected to shaking screening, the coal mine meeting the crushing standard can fall onto the conveyor belt 5 for running away, a large volume of unbroken coal mine can fall from one side of the screening plate 41, and secondary crushing processing can be collected in a concentrated way, so that the crushing processing effect of the device on the coal mine is better, the suction head 33 is started to suck air through the suction pipe 32, smoke dust generated by crushing the coal mine in the crushing box 2 can be sucked out, water in the water tank 34 is settled through the guide pipe 36, the dust content in the air is reduced, good working environment is facilitated, and the fine dust in the water tank 34 can be recovered and the water tank 34 can be recovered.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a breaker for coal mining, includes broken case, its characterized in that: the inside of broken case is provided with screening subassembly, and anti-blocking mechanism is installed to screening subassembly's top, and anti-blocking mechanism's top is provided with the buffer board, and screening subassembly's below is provided with the conveyer belt, and preliminary broken storehouse is installed at broken top of case, and broken case's side is provided with the dust fall subassembly.

2. A coal mining crushing apparatus according to claim 1, wherein: the screening assembly comprises a screening plate, a motor, a control roller, springs, a sliding block and a transmission block, wherein the screening plate is arranged in the crushing box, the sliding block is connected to four sides of the screening plate, the springs are connected to the top and the bottom of the sliding block, the transmission block is connected to the bottom of the screening plate, the control roller is arranged below the transmission block, and the motor is connected to the side end of the control roller.

3. A coal mining crushing apparatus according to claim 2, wherein: the surface of the sliding block is tightly attached to the inner groove wall of the crushing box, the motor is eccentrically connected with the control roller, and the bottom of the transmission block is of a horizontal structure.

4. A coal mining crushing apparatus according to claim 1, wherein: the dust fall subassembly is including breathing pipe, air exhauster, water tank and pipe, and wherein, the side of broken case is provided with the water tank, and the air exhauster is installed to top one side of water tank, and the bottom of air exhauster is connected with the pipe, and the top of air exhauster is connected with the breathing pipe.

5. The coal mining crushing device according to claim 4, wherein: the side of the air suction pipe is connected with two suction heads, and the guide pipe is in a hose-shaped structure.

6. The coal mining crushing device according to claim 4, wherein: the inside of water tank is installed with the screen cloth, and the top of screen cloth is connected with the handle, is split type connection between screen cloth and the water tank.