Novel vibration screening equipment for coal mining

Abstract

The utility model discloses novel vibration screening equipment for coal mining, which belongs to the technical field of coal mining and comprises a base, a supporting seat is fixedly connected to the upper surface of the base, a first limiting groove and a second limiting groove are formed in the upper portion of the supporting seat, a first shell is slidably connected in the first limiting groove, and a first motor is fixedly connected in the first shell. The output end of the first motor is fixedly connected with a first connecting rod, one end of the first connecting rod is hinged to a second connecting rod, one end of the second connecting rod is hinged to a sliding block, and the sliding block slides in the second limiting groove. Due to the fact that the first screen and the second screen are different in inclination direction and coal briquettes slide down to the lower position, screening of the coal briquettes of different sizes is completed, the second motor drives the fan blades to rotate, small coal particles and coal dust are sucked into the discharging pipe, and therefore the coal particles can be prevented from flying out, air pollution is caused, and health is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a novel vibration screening device used for coal mining. Background Art

[0002] Vibrating screening equipment used in coal mining is a mechanical device specially designed to separate different particle sizes or remove impurities from coal. This equipment plays a vital role in the coal processing process and can improve the quality and purity of coal to meet the needs of different users. It can quickly and accurately separate coal particles of different particle sizes and improve screening efficiency. It is made of high-strength materials and can withstand large vibrations and shocks to ensure the stability and durability of the equipment.

[0003] After searching, the utility model with announcement number CN211756767U discloses a new type of vibrating screening equipment for coal mining. Although the utility model patent can be controlled according to needs and has high screening efficiency, the screened coal samples are directly divided into equal parts to meet the sampling requirements; the equipment is small in size and can be easily moved and transferred; but the utility model patent cannot complete the screening of coal blocks of various specifications at one time, and needs to be carried out in batches, which consumes manpower and material resources and has low practicality. In addition, the utility model patent cannot collect the coal dust and extremely small coal block particles generated during the screening process, which causes air pollution and affects health. Therefore, a new type of vibrating screening equipment for coal mining is proposed. Summary of the invention

[0004] The purpose of the utility model is to provide a new type of vibrating screening equipment for coal mining to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel vibration screening equipment for coal mining, comprising a base, a support base is fixedly connected to the upper surface of the base, a limiting groove 1 and a limiting groove 2 are arranged on the upper part of the support base, a shell 1 is slidably connected in the limiting groove 1, a motor 1 is fixedly connected in the shell 1, a connecting rod 1 is fixedly connected to the output end of the motor 1, a connecting rod 2 is hinged at one end of the connecting rod 1, a slider is hinged at one end of the connecting rod 2, the slider slides in the limiting groove 2, a spring is fixedly connected to both sides of the shell 1 and the slider, and one end of the spring away from the shell 1 and the slider is fixedly connected to the support base, a support block 1 is fixedly connected to the upper surface of the shell 1, a screen 1 is fixedly connected to the top of the support block 1, a support block 2 is fixedly connected to the upper surface of the slider, a support frame 1 is fixedly connected to the top of the support block 2, a screen 2 is fixedly connected to the upper surface of the support frame 1, a support frame 2 is fixedly connected to the bottom of the screen 2, and the support frame 2 slides on the top of the support base.

[0006] As a further preferred embodiment of the present technical solution: a shell is fixedly connected to the upper surface of the base, a discharge pipe is connected to one side of the shell, the top of the discharge pipe is connected to shell 2, a motor 2 is fixedly connected to the inside of shell 2, a fan blade is fixedly connected to the output end of the motor 2, a screen 3 is arranged at the bottom of the fan blade, and the screen 3 is fixedly connected to the outer wall of the discharge pipe.

[0007] As a further preferred embodiment of the technical solution: a baffle is fixedly connected to one end of the discharge pipe away from the shell, and the material of the baffle is lighter plastic.

[0008] As a further preferred embodiment of the present technical solution: the screen 1 and the screen 2 are respectively inclined to two sides of the shell.

[0009] As a further preferred embodiment of the present technical solution: a feed pipe is connected to the top of the shell, and discharge ports are opened on both sides of the shell. There are two discharge ports, one of which is slidably connected to screen 1, and the other is slidably connected to screen 2.

[0010] As a further preferred embodiment of the technical solution: baffles are fixedly connected on both sides of the sieve 1 and the sieve 2, and the number of the baffles is four, and the four baffles are respectively located on both sides of the sieve 1 and the sieve 2. The baffles play a limiting role to prevent coal blocks from falling from the edges of the sieve 1 and the sieve 2.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model starts the motor 1, and the motor 1 drives the connecting rod 1, the connecting rod 2, and the slider to move. The housing 1 and the motor 1 slide in the limiting groove 1, and the screen 2 and the coal blocks on the screen 2 move with the movement of the slider, and the smaller coal blocks fall onto the screen 1. Since the screen 1 and the screen 2 are tilted in different directions and the coal blocks slide down to a lower position, the screening of coal blocks of different sizes is completed;

[0013] 2. In the utility model, the second motor drives the fan blades to rotate, and smaller coal particles and coal dust are sucked into the discharge pipe, thereby effectively preventing coal particles from flying out to cause air pollution and thus affect the health of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a new type of vibrating screening equipment for coal mining in the utility model;

[0015] Figure 2 This is a schematic cross-sectional structure diagram of a novel vibrating screening device for coal mining according to the utility model;

[0016] Figure 3This is a schematic diagram of the internal structure of a new type of vibrating screening equipment for coal mining according to the utility model;

[0017] Figure 4 The utility model is a partial structural schematic diagram of a new type of vibration screening equipment used for coal mining.

[0018] In the figure: 1. base; 2. support seat; 301. limit slot one; 302. limit slot two; 4. shell one; 5. motor one; 6. connecting rod one; 7. connecting rod two; 8. slider; 9. spring; 10. support block one; 11. screen one; 12. support block two; 13. support frame one; 14. screen two; 15. support frame two; 16. shell; 17. discharge pipe; 18. shell two; 19. motor two; 20. fan blade; 21. screen three; 22. baffle; 23. feed pipe; 24. discharge port; 25. baffle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] Example

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a new type of vibration screening equipment for coal mining: comprising a base 1, a support base 2 is fixedly connected to the upper surface of the base 1, a limiting groove 301 and a limiting groove 302 are arranged on the upper part of the support base 2, a housing 4 is slidably connected in the limiting groove 301, a motor 5 is fixedly connected in the housing 4, a connecting rod 6 is fixedly connected to the output end of the motor 5, a connecting rod 6 is hinged at one end to a connecting rod 7, a connecting rod 7 is hinged at one end to a slider 8, and the slider 8 slides in the limiting groove 302 , springs 9 are fixedly connected on both sides of the shell 14 and the slider 8, and one end of the spring 9 away from the shell 14 and the slider 8 is fixedly connected to the support seat 2, a support block 10 is fixedly connected to the upper surface of the shell 14, a screen 11 is fixedly connected to the top of the support block 10, a support block 2 12 is fixedly connected to the upper surface of the slider 8, a support frame 13 is fixedly connected to the top of the support block 2 12, a screen 2 14 is fixedly connected to the upper surface of the support frame 13, a support frame 2 15 is fixedly connected to the bottom of the screen 2 14, and the support frame 2 15 slides on the top of the support seat 2.

[0022] In this embodiment, specifically: the upper surface of the base 1 is fixedly connected with a shell 16, one side of the shell 16 is connected with a discharge pipe 17, the top of the discharge pipe 17 is connected with a shell 2 18, the shell 2 18 is fixedly connected with a motor 2 19, the output end of the motor 2 19 is fixedly connected with a fan blade 20, a screen 3 21 is provided at the bottom of the fan blade 20, the screen 3 21 is fixedly connected to the outer wall of the discharge pipe 17, the end of the discharge pipe 17 away from the shell 16 is fixedly connected with a baffle 22, the material of the baffle 22 is lighter plastic, and the screen 1 11 and the screen 2 14 are respectively inclined to the two sides of the shell 16.

[0023] In this embodiment, specifically: a feed pipe 23 is connected to the top of the shell 16, discharge ports 24 are opened on both sides of the shell 16, and the number of discharge ports 24 is two. Screen 11 is slidably connected in one discharge port 24, and screen 2 14 is slidably connected in the other discharge port 24. Baffles 25 are fixedly connected on both sides of screen 11 and screen 2 14. The number of baffles 25 is four, and the four baffles 25 are respectively located on both sides of screen 11 and screen 2 14. The baffles 25 play a limiting role to prevent coal blocks from falling from the edges of screen 11 and screen 2 14. Motor 1 5 and motor 2 19 are connected to an external power supply.

[0024] Working principle: the coal blocks to be screened are passed through the feed pipe 23 into the housing 16, and the motor 15 is started. The motor 15 drives the connecting rod 16 and the connecting rod 27 to rotate, and the connecting rod 27 drives the slider 8 to move. With the cooperation of the limiting groove 2 302, the slider 8 slides in the limiting groove 2 302. At the same time, with the cooperation of the limiting groove 1 301, the housing 1 4 and the motor 15 slide in the limiting groove 1 301, and the screen 2 14 and the coal blocks on the screen 2 14 move with the movement of the slider 8, and the smaller coal blocks fall onto the screen 1 11. At the same time, because the screen 11 and the screen 2 14 are tilted in different directions and the coal blocks slide down to a lower position, the screening of coal blocks of different sizes is completed;

[0025] Start motor 2 19, which drives fan blades 20 to rotate. During the rotation of fan blades 20, the end of discharge pipe 17 away from shell 16 is in a closed state, and smaller coal particles and coal dust are sucked into discharge pipe 17. When more coal particles are accumulated at one end of discharge pipe 17 close to baffle 22, the gravity of coal particles pushes baffle 22 open to discharge the coal particles, thereby preventing coal particles from flying out to cause air pollution and affect health.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of vibrating screening equipment for coal mining, characterized by: The invention comprises a base (1), wherein the upper surface of the base (1) is fixedly connected to a support base (2), the upper part of the support base (2) is provided with a limiting groove 1 (301) and a limiting groove 2 (302), the limiting groove 1 (301) is slidably connected to a shell 1 (4), the shell 1 (4) is fixedly connected to a motor 1 (5), the output end of the motor 1 (5) is fixedly connected to a connecting rod 1 (6), one end of the connecting rod 1 (6) is hinged to a connecting rod 2 (7), one end of the connecting rod 2 (7) is hinged to a slider (8), the slider (8) slides in the limiting groove 2 (302), and the shell 1 (4) and the slider (8) are fixedly connected at both sides. A spring (9) is provided, one end of the spring (9) being away from the shell (4) and the slider (8) being fixedly connected to the support seat (2); a support block (10) is fixedly connected to the upper surface of the shell (4); a screen (11) is fixedly connected to the top of the support block (10); a support block (12) is fixedly connected to the upper surface of the slider (8); a support frame (13) is fixedly connected to the top of the support block (12); a screen (14) is fixedly connected to the upper surface of the support frame (13); a support frame (15) is fixedly connected to the bottom of the screen (14); and the support frame (15) slides on the top of the support seat (2).

2. A novel vibrating screening device for coal mining according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected to a shell (16), one side of the shell (16) is connected to a discharge pipe (17), the top of the discharge pipe (17) is connected to a second shell (18), a second motor (19) is fixedly connected inside the second shell (18), a fan blade (20) is fixedly connected to the output end of the second motor (19), a screen three (21) is provided at the bottom of the fan blade (20), and the screen three (21) is fixedly connected to the outer wall of the discharge pipe (17).

3. A novel vibrating screening device for coal mining according to claim 2, characterized in that: One end of the discharge pipe (17) away from the housing (16) is fixedly connected with a blocking piece (22).

4. A novel vibrating screening device for coal mining according to claim 1, characterized in that: The screen 1 (11) and the screen 2 (14) are respectively inclined toward two sides of the outer shell (16).

5. A novel vibrating screening device for coal mining according to claim 2, characterized in that: The top of the shell (16) is connected to a feed pipe (23), and discharge ports (24) are provided on both sides of the shell (16). There are two discharge ports (24), one of the discharge ports (24) is slidably connected to a screen 1 (11), and the other of the discharge ports (24) is slidably connected to a screen 2 (14).

6. A novel vibrating screening device for coal mining according to claim 2, characterized in that: Baffles (25) are fixedly connected to both sides of the sieve mesh 1 (11) and the sieve mesh 2 (14). The number of the baffles (25) is four, and the four baffles (25) are respectively located on both sides of the sieve mesh 1 (11) and the sieve mesh 2 (14).

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