Crushing device convenient to overhaul and used for coal mining

Abstract

The utility model relates to the technical field of coal mining, and discloses a convenient-to-overhaul crushing device for coal mining, which comprises a bracket, one side of the top of the bracket is fixedly connected with a limiting telescopic frame, the top of the limiting telescopic frame is rotatably connected with a rotating block, and the top of the rotating block is fixedly connected with a fixed frame; the fixing frame is connected with a water pump through a damping shaft, one end of the water pump is provided with a water inlet, the other end of the water pump is provided with an atomizing nozzle, and the inner side of the support is fixedly connected with a combined box formed by a shell and an inserting plate in an inserting mode. According to the device, water spraying inhibition of the device on flying dust is achieved, meanwhile, the angle, height and orientation of the spray head can be adjusted, practicability and applicability are improved, and in addition, the grinding roller arranged on the spline rod in a sleeving mode is matched with the combined box formed by inserting connection, so that disassembly treatment and replacement and maintenance of the grinding roller are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a crushing device for coal mining which is convenient for maintenance. Background Art

[0002] Mining crushing devices have the characteristics of large crushing ratio, uniform product particle size, simple structure, reliable operation, easy maintenance, and economical operating costs. They are widely used in many departments such as mining, smelting, building materials, highways, railways, water conservancy and chemical industries, and can crush various materials with a compressive strength not exceeding 320 MPa. General mining crushers include jaw crushers, hammer crushers, roller crushers, compound crushers, impact crushers, impact crushers, hammer crushers, cone crushers and mobile crushers. The maintenance of mining crushing devices is an extremely important and regular work. It should be closely coordinated with the operation and maintenance of the equipment, and full-time personnel should be on duty for inspection.

[0003] After searching, a coal mine crushing device for coal mining with announcement number CN219580694U includes a shell, a feeding funnel and a crushing mechanism, the top of the shell is connected to the bottom of the feeding funnel, the crushing mechanism is arranged inside the shell, both sides of the top of the shell are fixedly connected with connecting plates, the inside of the connecting plate is fixedly connected with a two-way electric telescopic column, and the output end of the two-way electric telescopic column is fixedly connected with a moving block. The utility model achieves the advantage of facilitating the maintenance of the inside of the coal mine crushing device for coal mining by setting a connecting plate, a two-way electric telescopic column, a moving block, a connecting rod, a connecting column, a connecting block, a baffle and a limiting column for use in combination, and solves the problem that when the equipment inside the shell of the existing coal mine crushing device for coal mining is damaged and needs to be replaced during maintenance, the shell of the coal mine crushing device for coal mining is not easy to disassemble, which is time-consuming and labor-intensive, and inconvenient for users to perform maintenance.

[0004] The background technology part of the above-mentioned existing patent mentions that when the existing coal mine crushing device used in coal mine mining is under maintenance, when the equipment inside the shell is damaged and needs to be replaced, the shell of the coal mine crushing device used in coal mine mining is not easy to disassemble, which is time-consuming and labor-intensive and inconvenient for users to perform maintenance. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a crushing device for coal mining that is easy to maintain. The purpose is to solve the problem that when the existing coal mine crushing device is used for coal mining, when the equipment inside the shell is damaged and needs to be replaced during maintenance, the shell of the coal mine crushing device used for coal mining is not easy to disassemble, which is time-consuming and labor-intensive and inconvenient for users to perform maintenance. A crushing device for coal mining that is easy to maintain is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a crushing device for coal mining that is easy to maintain, including a bracket, a top side of the bracket is fixedly connected to a limited telescopic bracket, the top of the limited telescopic bracket is rotatably connected to a rotating block, the top of the rotating block is fixedly connected to a fixed bracket, the fixed bracket is connected to a water pump through a damping shaft, one end of the water pump is provided with a water inlet, the other end of the water pump is provided with an atomizing nozzle, the inner side of the bracket is fixedly connected to a combination box composed of a shell and a plug-in plate in a plug-in manner, a side box is provided on one side of the shell, a gear set is provided on the inner side of the side box, the interior of the combination box is combined with a grinding roller, and the outer wall of the grinding roller is fixedly connected to crushing teeth.

[0007] As a further description of the above technical solution:

[0008] The position-limiting telescopic frame includes a cylinder fixedly connected to one side of the top of the bracket, a column slidably connected to the top of the cylinder, a hole is opened on the inner side of the column, and a position-limiting rod is slidably connected to the outer wall of the cylinder, and a spring is sleeved on the outer side of the position-limiting rod.

[0009] As a further description of the above technical solution:

[0010] One end of the spring is connected to the outer wall of the cylinder, and the other end of the spring is connected to the limiting rod.

[0011] As a further description of the above technical solution:

[0012] The gear set comprises a main gear and a secondary gear which are located inside the side box and rotate, and the main gear is meshed and connected with the secondary gear.

[0013] As a further description of the above technical solution:

[0014] A motor is fixedly connected to one side of the top of the bracket, and a driving end of the motor passes through the side box and is connected to the main gear.

[0015] As a further description of the above technical solution:

[0016] The bottom of the bracket is fixedly connected with a bottom plate, the inner side of the bottom plate is provided with a slide groove, the inner side of the slide groove is slidably connected with a box body, and both ends of the top of the box body are provided with open groove bodies.

[0017] As a further description of the above technical solution:

[0018] A spline rod is sleeved inside the plug-in board, and the grinding roller is sleeved on the outer wall of the spline rod.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, the water spraying device can suppress dust, disperse water to the surface of dust particles to make them moist, thereby reducing the scattering of dust particles and making them easier to settle. At the same time, the angle, height and direction of the nozzle can be adjusted, which improves practicality and applicability.

[0021] 2. In the utility model, the equipment can be quickly recycled. The empty box can be directly pushed out to push out the box full of waste, and then the waste can be collected continuously. The top of the box fits the bottom of the bracket, which can suppress the secondary dust caused by the falling of the waste to a certain extent, thus realizing uninterrupted processing and improving work efficiency.

[0022] 3. In the utility model, due to the setting of the spline rod, the grinding roller sleeved on the spline rod cooperates with the combined box composed of a shell and a plug-in plate in a plug-in manner to realize disassembly processing, thereby replacing and repairing the grinding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an overall schematic diagram of a crushing device for coal mining that is easy to maintain and proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of a combined box in a crushing device for coal mining that is easy to maintain, as proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of a limited telescopic frame in a crushing device for coal mining that is easy to maintain, which is proposed by the utility model;

[0026] Figure 4 for Figure 3 A is an enlarged view of the middle figure;

[0027] Figure 5 The utility model is a schematic diagram of the structure of a box in a crushing device for coal mining which is easy to maintain.

[0028] Legend:

[0029] 1. Bracket; 2. Cylinder; 3. Column; 4. Hole; 5. Rotating block; 6. Fixed frame; 7. Water pump; 8. Water inlet; 9. Atomizing nozzle; 10. Grinding roller; 11. Limit rod; 12. Shell; 13. Side box; 14. Main gear; 15. Secondary gear; 16. Crushing teeth; 17. Motor; 18. Bottom plate; 19. Slide; 20. Box; 21. Opening trough; 22. Plug-in board; 23. Spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-5 The utility model provides an embodiment of a coal mining crushing device that is easy to maintain, including a bracket 1, a bottom plate 18 is fixedly connected to the bottom of the bracket 1, and a chute 19 is provided on the inner side of the bottom plate 18. The chute 19 is slidably connected to a box body 20 on the inner side. Both ends of the top of the box body 20 are provided with open slots 21. The crushed waste falls into the box body 20 at the bottom through the shell 12. The box body 20 can be pulled out for recycling through the handle and the chute 19. Two boxes 20 can be slid on the chute 19 at the same time. When one box body 20 is full, the empty box body 20 can be directly pushed to push out the box body 20 filled with waste, and then continue to collect waste, thereby realizing uninterrupted processing and improving work efficiency. The length of the open slot body 21 is the same as the length of the shell 12, and the top of the box body 20 fits with the bracket 1, which can suppress the secondary dust caused by the waste falling to a certain extent.

[0032] The top side of the bracket 1 is fixedly connected to a limited telescopic frame, the top of the limited telescopic frame is rotatably connected to a rotating block 5, the top of the rotating block 5 is fixedly connected to a fixed frame 6, the rotating block 5 can be rotated to adjust the horizontal direction of the atomizing nozzle 9, the fixed frame 6 is connected to a water pump 7 through a damping shaft, the vertical angle of the atomizing nozzle 9 can be changed by rotating the water pump 7 up and down through the damping shaft, one end of the water pump 7 is provided with a water inlet 8, and the other end of the water pump 7 is provided with an atomizing nozzle 9. When the water pump 7 is turned on, the water pump 7 pumps out water and sprays atomized water through the atomizing nozzle 9. The water spray can disperse the water to the surface of the dust particles to moisten them, thereby reducing the scattering of the dust particles. The wet dust particles will increase the adhesion between the particles, making them easier to settle.

[0033] Specifically, the limiting telescopic frame includes a cylinder 2 fixedly connected to one side of the top of the bracket 1, a column 3 is slidably connected to the top of the cylinder 2, a hole 4 is opened on the inner side of the column 3, and the outer wall of the cylinder 2 is slidably connected to the limiting rod 11, and a spring 23 is sleeved on the outer side of the limiting rod 11; one end of the spring 23 is connected to the outer wall of the cylinder 2, and the other end of the spring 23 is connected to the limiting rod 11. When the height of the dust suppression device needs to be adjusted, the limiting rod 11 can be pulled outward, and then the column 3 can be slid up and down, and the limiting rod 11 can be aligned with the corresponding hole 4 and then the limiting rod 11 can be released. The spring 23 pulls the limiting rod 11 back and slides it into the hole 4. At this time, the height of the dust suppression device is fixed.

[0034] A combination box composed of a shell 12 and a plug-in board 22 is fixedly connected to the inner side of the bracket 1. A side box 13 is provided on one side of the shell 12. A main gear 14 and a secondary gear 15 are rotatably connected to the inner side of the side box 13. The main gear 14 is meshed with the secondary gear 15. A motor 17 is fixedly connected to one side of the top of the bracket 1. The driving end of the motor 17 passes through the side box 13 and is connected to the main gear 14. A grinding roller 10 is combined inside the combination box. A spline rod is sleeved inside the plug-in board 22. The grinding roller 10 is sleeved on the outer wall of the spline rod. The outer wall of the grinding roller 10 is fixedly connected with a crushing tooth 16.

[0035] Specifically, the motor 17 is turned on, and the coal to be processed is put into the shell 12. The motor 17 drives the main gear 14 to rotate, and the main gear 14 drives the crushing roller 16 to rotate. The main gear 14 drives the secondary gear 15 to drive the crushing roller 16 at one end of the secondary gear 15 to rotate inward. In addition, due to the setting of the spline rod, the grinding roller 10 mounted on the spline rod can be disassembled to facilitate the replacement and maintenance of the grinding roller 10.

[0036] Working principle: First, connect the water source to the water inlet 8 through a hose, then turn on the water pump 7. The water pump 7 pumps out water and sprays atomized water through the atomizing nozzle 9. The water spray can disperse the water to the surface of the dust particles to moisten them, thereby reducing the dispersion of the dust particles. The moistened dust particles will increase the adhesion between the particles, making them easier to settle. According to the actual situation, the rotating block 5 can be rotated to adjust the horizontal direction of the atomizing nozzle 9. The vertical angle of the atomizing nozzle 9 can be changed by rotating the water pump 7 up and down through the damping shaft. When the height of the dust suppression device needs to be adjusted, the limit rod 11 can be pulled out, and then the column 3 can be slid up and down. After the limit rod 11 is aligned with the corresponding hole 4, the limit rod 11 is released. The spring 23 pulls the limit rod 11 back and slides it into the hole 4. At this time, the height of the dust suppression device is fixed. Turn on the motor 17, and put the coal to be processed into the shell 12. The motor 17 drives the main gear 14 to rotate, and the main gear 14 drives the crushing roller 16 to rotate. The main gear 14 drives the secondary gear 15 to drive the secondary gear The crushing roller 16 at one end of 15 rotates inward to crush the coal mine, and the crushed waste falls into the box body 20 at the bottom through the shell body 12. The top of the box body 20 fits with the bottom of the bracket 1 to a certain extent, which can suppress the secondary dust caused by the waste falling. The box body 20 can be pulled out for recycling through the handle and the slide 19. Two boxes 20 can be slid on the slide 19 at the same time. When one box body 20 is full, the empty box body 20 can be directly pushed to push out the box body 20 full of waste, and then continue to collect waste, thereby realizing uninterrupted processing and improving work efficiency. In addition, due to the setting of the spline rod, the grinding roller 10 mounted on the spline rod can be disassembled to facilitate the replacement and maintenance of the grinding roller 10.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crushing device for coal mining that is easy to maintain, comprising a support (1), characterized in that: A limited telescopic frame is fixedly connected to one side of the top of the bracket (1); a rotating block (5) is rotatably connected to the top of the limited telescopic frame; a fixed frame (6) is fixedly connected to the top of the rotating block (5); the fixed frame (6) is connected to a water pump (7) via a damping shaft; a water inlet (8) is provided at one end of the water pump (7); an atomizing nozzle (9) is provided at the other end of the water pump (7); a combined box composed of a shell (12) and a plug-in board (22) is fixedly connected to the inner side of the bracket (1); a side box (13) is provided on one side of the shell (12); a gear set is provided on the inner side of the side box (13); a grinding roller (10) is combined inside the combined box; and crushing teeth (16) are fixedly connected to the outer wall of the grinding roller (10).

2. A crushing device for coal mining that is easy to maintain according to claim 1, characterized in that: The position-limiting telescopic frame comprises a cylinder (2) fixedly connected to one side of the top of the bracket (1); a column (3) is slidably connected to the top of the cylinder (2); a hole (4) is provided on the inner side of the column (3); the outer wall of the cylinder (2) is slidably connected to a position-limiting rod (11); and a spring (23) is sleeved on the outer side of the position-limiting rod (11).

3. A crushing device for coal mining that is easy to maintain according to claim 2, characterized in that: One end of the spring (23) is connected to the outer wall of the cylinder (2), and the other end of the spring (23) is connected to the limiting rod (11).

4. The crushing device for coal mining that is easy to maintain according to claim 1 is characterized by: The gear set comprises a main gear (14) and a secondary gear (15) which are located inside the side box (13) and rotate, and the main gear (14) is meshedly connected with the secondary gear (15).

5. A crushing device for coal mining that is easy to maintain according to claim 4, characterized in that: A motor (17) is fixedly connected to one side of the top of the bracket (1), and a driving end of the motor (17) passes through the side box (13) and is connected to the main gear (14).

6. The crushing device for coal mining that is easy to maintain according to claim 1 is characterized by: The bottom of the bracket (1) is fixedly connected to a bottom plate (18), the inner side of the bottom plate (18) is provided with a slide groove (19), the inner side of the slide groove (19) is slidably connected to a box body (20), and both ends of the top of the box body (20) are provided with open groove bodies (21).

7. The crushing device for coal mining that is easy to maintain according to claim 1 is characterized by: A spline rod is sleeved inside the plug-in board (22), and the grinding roller (10) is sleeved on the outer wall of the spline rod.

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