Coal gangue crushing structure for mine filling

Abstract

The utility model relates to the technical field of crushing equipment, in particular to a coal gangue crushing structure for mine filling, which comprises a crusher main body, a steel pipe is mounted at a discharge port of the crusher main body, a plurality of nozzles are mounted on the steel pipe at equal intervals, two baffles are fixedly connected with the discharge port of the crusher main body, and the two baffles are fixedly connected with the crusher main body. A filter screen is slidably connected between the two baffles, the filter screen is located below the steel pipe, a limiting structure is installed at the bottom end of the crusher body, and a crushing structure and a driving structure are installed on the crusher body. The steel pipe and the spray head are installed at the outlet of the crusher body to carry out dust falling on crushed coal gangue, dust raising pollution is effectively reduced, meanwhile, the filter screen is installed, water sprayed on the coal gangue is preliminarily filtered out from the filter screen, and the situation that the crushed coal gangue is bonded due to too much water and is not prone to being conveyed is avoided.

Description

Technical Field

[0001] The utility model relates to a crushing structure, in particular to a gangue crushing structure for mine filling, belonging to the technical field of crushing equipment. Background Art

[0002] Gangue is a by-product of coal production, mainly composed of a mixture of rock and coal. Its properties vary depending on the origin and formation conditions, but it usually has low strength and high brittleness. Gangue has poor fluidity and is difficult to transport directly or in a simple way. Therefore, it needs to be properly crushed and processed by a crusher to meet the requirements of mine filling.

[0003] However, the discharge port of the traditional crusher lacks a dust reduction structure, and coal gangue will generate a large amount of dust during the crushing process. The dust will be suspended in the atmosphere to form dust pollution. The dust generated during the crushing process not only pollutes the environment, but may also have serious impacts on human health. Utility Model Content

[0004] The purpose of the utility model is to provide a coal gangue crushing structure for mine filling in order to solve the above-mentioned problems. By installing a steel pipe and a nozzle at the outlet of the crusher body to reduce dust on the crushed coal gangue, dust pollution is effectively reduced. At the same time, a filter is installed to allow the moisture sprayed on the coal gangue to be initially filtered out from the filter, thereby preventing the crushed coal gangue from sticking together due to excessive moisture and being difficult to transport.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a coal gangue crushing structure for mine filling, comprising a crusher main body, a dust reduction structure installed on the crusher main body, the dust reduction structure comprising a steel pipe, a steel pipe installed at the discharge port of the crusher main body, a plurality of nozzles equidistantly installed on the steel pipe, two baffles fixedly connected to the discharge port of the crusher main body, a filter screen slidably connected between the two baffles, the filter screen is located below the steel pipe, a limiting structure is installed at the bottom end of the crusher main body, and a crushing structure and a driving structure are installed on the crusher main body.

[0006] Preferably, the two baffles are arranged at an angle, the filter screen is arranged at an angle, a hose is installed at one end of the steel pipe, and a feed port is installed at the top of the crusher body.

[0007] Preferably, the limiting structure includes a connecting block, the bottom end of the crusher body is fixedly connected to the connecting block, a limiting groove is provided on the connecting block, a clamping plate is inserted into the limiting groove, and the clamping plate is fixedly connected to the filter screen.

[0008] Preferably, a limiting hole is provided on the clamping plate, a limiting rod is inserted into the limiting hole, and the limiting rod is slidably connected to the connecting block.

[0009] Preferably, a pull plate is fixedly connected to the end of the limiting rod, and a tension spring is fixedly connected between the pull plate and the connecting block.

[0010] Preferably, a guide rod is fixedly connected to the pull plate, and the guide rod is slidably connected to the connecting block.

[0011] Preferably, the crushing structure includes a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are rotatably connected to the crusher body, the first rotating shaft and the second rotating shaft are fixedly connected to crushing rollers, and the two crushing rollers are engaged with each other.

[0012] Preferably, the driving structure includes a fixed seat, two fixed seats are installed on the crusher body, a motor is installed on the fixed seat, the output shaft of the motor is fixedly connected to a second pulley, a belt is wrapped around the second pulley, the other end of the belt is wrapped around the first pulley, and the two first pulleys are fixedly connected to the first rotating shaft and the second rotating shaft respectively.

[0013] The beneficial effects of the present invention are as follows: a steel pipe is installed at the discharge port of the crusher body, a plurality of nozzles are installed at equal intervals on the steel pipe, two baffles are fixedly connected to the discharge port of the crusher body, a filter is slidably connected between the two baffles, and the filter is located below the steel pipe; by installing the steel pipe and the nozzle at the outlet of the crusher body, the crushed coal gangue can be dusted, thereby effectively reducing dust pollution, and at the same time, the filter is installed so that the moisture sprayed on the coal gangue can be preliminarily filtered out from the filter, thereby avoiding the crushed coal gangue from being difficult to transport due to excessive moisture sticking together. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 for Figure 1 The enlarged structural diagram of part A is shown;

[0016] Figure 3 This is a schematic diagram of the connection structure between the crushing structure and the driving structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the baffle and the filter screen of the utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure between the connecting block and the card plate of the utility model;

[0019] Figure 6 for Figure 5 The enlarged structural diagram of part B is shown;

[0020] Figure 7 This is a schematic diagram of the connection structure between the filter screen and the card plate of the utility model;

[0021] Figure 8 This is a schematic structural diagram of the crushing roller of the present utility model.

[0022] In the figure: 1. Crusher body; 2. Crushing structure; 201. First rotating shaft; 202. Second rotating shaft; 203. Crushing roller; 3. Driving structure; 301. First pulley; 302. Belt; 303. Second pulley; 304. Motor; 305. Fixed seat; 4. Dust reduction structure; 401. Baffle; 402. Filter; 403. Steel pipe; 404. Hose; 405. Nozzle; 5. Limiting structure; 501. Pull plate; 502. Connecting block; 503. Card plate; 504. Limiting hole; 505. Limiting rod; 506. Tension spring; 507. Guide rod; 508. Limiting slot; 6. Feed port. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-8 As shown, a gangue crushing structure for mine filling includes a crusher main body 1, a dust reduction structure 4 is installed on the crusher main body 1, and the dust reduction structure 4 includes a steel pipe 403. The discharge port of the crusher main body 1 is installed with a steel pipe 403, and a plurality of nozzles 405 are equidistantly installed on the steel pipe 403. The discharge port of the crusher main body 1 is fixedly connected with two baffles 401, and a filter screen 402 is slidably connected between the two baffles 401. The filter screen 402 is located below the steel pipe 403. A limiting structure 5 is installed at the bottom end of the crusher main body 1, and a crushing structure 2 and a driving structure 3 are installed on the crusher main body 1.

[0025] As a technical optimization solution of the present invention, the two baffles 401 are arranged at an angle, the filter screen 402 is arranged at an angle, a hose 404 is installed at one end of the steel pipe 403, and a feed port 6 is installed at the top of the crusher body 1; the filter screen 402 is arranged at an angle to facilitate the movement of coal gangue, and the water source is introduced into the steel pipe 403 through the hose 404, and then the water is sprayed on the crushed coal gangue in the form of a spray through multiple nozzles 405, which can play a good dust suppression role and is beneficial to improving the working environment. When the coal gangue moves from the discharge port to the filter screen 402, the moisture on the coal gangue can be partially filtered out by the filter screen 402, thereby avoiding the coal gangue from sticking together due to excessive surface moisture, affecting transportation.

[0026] As a technical optimization solution of the present invention, the limiting structure 5 includes a connecting block 502, and the bottom end of the crusher body 1 is fixedly connected to the connecting block 502, and a limiting groove 508 is opened on the connecting block 502, and a clamping plate 503 is inserted into the limiting groove 508, and the clamping plate 503 is fixedly connected to the filter 402; the filter 402 is inserted obliquely between the two baffles 401, and when the clamping plate 503 at the bottom end of the filter 402 is aligned with the limiting groove 508 on the connecting block 502, the filter 402 is pressed downward so that the filter 402 drives the clamping plate 503 to be inserted into the limiting groove 508, thereby quickly fixing the filter 402 and preventing it from slipping off the baffle 401.

[0027] As a technical optimization solution of the present invention, a limiting hole 504 is provided on the clamping plate 503, and a limiting rod 505 is inserted into the limiting hole 504. The limiting rod 505 is slidably connected to the connecting block 502, and the end of the limiting rod 505 is fixedly connected to the pull plate 501, and a tension spring 506 is fixedly connected between the pull plate 501 and the connecting block 502; when the clamping plate 503 moves into the limiting groove 508, the clamping plate 503 resists the limiting rod 505 and slides toward the outside of the connecting block 502, and the connecting block 502 simultaneously drives the tension spring 506 to extend. When the limiting hole 504 on the clamping plate 503 is aligned with the limiting rod 505, the tension spring 506 resets and drives the limiting rod 505 to be inserted into the limiting hole 504, thereby further fixing the clamping plate 503, avoiding repeated shaking of the clamping plate 503 and the filter screen 402 when the crusher body 1 is working, thereby increasing the stability of the installation of the filter screen 402.

[0028] As a technical optimization solution of the present invention, a guide rod 507 is fixedly connected to the pull plate 501, and the guide rod 507 is slidably connected to the connecting block 502; when the limiting rod 505 moves, the pull plate 501 drives the guide rod 507 to slide on the connecting block 502, and the end cross-section of the guide rod 507 is a "T"-shaped structure, which prevents the guide rod 507 from slipping off the connecting block 502, thereby increasing the stability of the limiting rod 505.

[0029] As a technical optimization solution of the present invention, the crushing structure 2 includes a first rotating shaft 201 and a second rotating shaft 202, the crusher body 1 is rotatably connected with the first rotating shaft 201 and the second rotating shaft 202, the first rotating shaft 201 and the second rotating shaft 202 are fixedly connected to the crushing roller 203, and the two crushing rollers 203 are engaged with each other. The driving structure 3 includes a fixed seat 305, two fixed seats 305 are installed on the crusher body 1, and a motor 304 is installed on the fixed seat 305. The output shaft of the motor 304 is fixedly connected to the second pulley 303, and a belt 302 is wound around the second pulley 303. The other end of the belt 302 is wound around the first pulley 301. The two first pulleys 301 are fixedly connected to the first rotating shaft 201 and the second rotating shaft 202 respectively; the control switches of the two motors 304 are started, the motor 304 drives the second pulley 303 to rotate, the second pulley 303 drives the first pulley 301 to rotate through the belt 302, the two first pulleys 301 drive the first rotating shaft 201 and the second rotating shaft 202 to rotate respectively, the first rotating shaft 201 and the second rotating shaft 202 respectively drive the two crushing rollers 203 to rotate, and then the coal gangue is put into the crusher body 1 from the feed port 6, and the two crushing rollers 203 engage and rotate to clamp the coal gangue between the two crushing rollers 203 for crushing, so that the coal gangue is crushed, which is convenient for the coal gangue to be used for mine filling.

[0030] When the utility model is in use, the filter screen 402 is first inserted obliquely between the two baffles 401. When the clamping plate 503 at the bottom of the filter screen 402 is aligned with the limiting groove 508 on the connecting block 502, the filter screen 402 is pressed downward, so that the filter screen 402 drives the clamping plate 503 to be inserted into the limiting groove 508, thereby quickly fixing the filter screen 402 and preventing it from slipping off the baffle 401. When the clamping plate 503 moves into the limiting groove 508, the clamping plate 503 resists the limiting rod 505 and slides toward the outside of the connecting block 502, and the connecting block 502 synchronously drives the tension spring 506 When the limit hole 504 on the card plate 503 is aligned with the limit rod 505, the tension spring 506 resets and drives the limit rod 505 to be inserted into the limit hole 504, thereby further fixing the card plate 503. When the limit rod 505 moves, it drives the guide rod 507 to slide on the connecting block 502 through the pull plate 501, and the end section of the guide rod 507 is a "T"-shaped structure, so that the guide rod 507 cannot slip off the connecting block 502, thereby increasing the stability of the limit rod 505 and preventing the card plate 503 and the filter screen 40 from being driven when the crusher body 1 is working. 2 shakes repeatedly, thereby increasing the stability of the installation of the filter 402; then the water source is introduced into the steel pipe 403 through the hose 404, and then the water is sprayed on the crushed coal gangue in the form of a spray through multiple nozzles 405, which can play a good role in dust suppression and is conducive to improving the working environment. The coal gangue moves from the discharge port to the filter 402, and the water on the coal gangue can be filtered out by the filter 402 to prevent the coal gangue from sticking together due to excessive surface water and affecting transportation; then start the control switches of the two motors 304, and the motor 304 The second pulley 303 is driven to rotate, and the second pulley 303 drives the first pulley 301 to rotate through the belt 302. The two first pulleys 301 respectively drive the first rotating shaft 201 and the second rotating shaft 202 to rotate. The first rotating shaft 201 and the second rotating shaft 202 respectively drive the two crushing rollers 203 to rotate, and then the coal gangue is put into the crusher body 1 from the feed port 6. The two crushing rollers 203 engage and rotate to clamp the coal gangue between the two crushing rollers 203 for crushing, so that the coal gangue is crushed, which is convenient for the coal gangue to be used for mine filling.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0032] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A gangue crushing structure for mine filling, comprising a crusher body (1), characterized in that: The crusher body (1) is provided with a dust reduction structure (4), the dust reduction structure (4) comprising a steel pipe (403), a discharge port of the crusher body (1) is provided with a steel pipe (403), a plurality of nozzles (405) are equidistantly provided on the steel pipe (403), the discharge port of the crusher body (1) is fixedly connected with two baffles (401), a filter screen (402) is slidably connected between the two baffles (401), the filter screen (402) is located below the steel pipe (403), a limiting structure (5) is provided at the bottom end of the crusher body (1), and a crushing structure (2) and a driving structure (3) are provided on the crusher body (1).

2. The gangue crushing structure for mine filling according to claim 1, characterized in that: The two baffles (401) are arranged at an angle, the filter screen (402) is arranged at an angle, a hose (404) is installed at one end of the steel pipe (403), and a feed port (6) is installed at the top of the crusher body (1).

3. The gangue crushing structure for mine filling according to claim 1, characterized in that: The limiting structure (5) comprises a connecting block (502), the bottom end of the crusher body (1) is fixedly connected to the connecting block (502), a limiting groove (508) is provided on the connecting block (502), a clamping plate (503) is inserted into the limiting groove (508), and the clamping plate (503) is fixedly connected to the filter screen (402).

4. The gangue crushing structure for mine filling according to claim 3, characterized in that: A limiting hole (504) is provided on the clamping plate (503), a limiting rod (505) is inserted into the limiting hole (504), and the limiting rod (505) is slidably connected to the connecting block (502).

5. The gangue crushing structure for mine filling according to claim 4, characterized in that: The end of the limiting rod (505) is fixedly connected to a pulling plate (501), and a tension spring (506) is fixedly connected between the pulling plate (501) and the connecting block (502).

6. The gangue crushing structure for mine filling according to claim 5, characterized in that: A guide rod (507) is fixedly connected to the pull plate (501), and the guide rod (507) is slidably connected to the connecting block (502).

7. The gangue crushing structure for mine filling according to claim 1, characterized in that: The crushing structure (2) comprises a first rotating shaft (201) and a second rotating shaft (202); the first rotating shaft (201) and the second rotating shaft (202) are rotatably connected to the crusher body (1); crushing rollers (203) are fixedly connected to the first rotating shaft (201) and the second rotating shaft (202); and the two crushing rollers (203) are meshed with each other.

8. The gangue crushing structure for mine filling according to claim 1, characterized in that: The driving structure (3) comprises a fixed seat (305), two fixed seats (305) are installed on the crusher body (1), a motor (304) is installed on the fixed seat (305), an output shaft of the motor (304) is fixedly connected to a second pulley (303), a belt (302) is wound around the second pulley (303), the other end of the belt (302) is wound around the first pulley (301), and the two first pulleys (301) are fixedly connected to the first rotating shaft (201) and the second rotating shaft (202), respectively.

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