CN215465844U

CN215465844U - Coal mine screening equipment for coal mining

Info

Publication number: CN215465844U
Application number: CN202121442018.9U
Authority: CN
Inventors: 徐丹丹
Original assignee: Jixi Mingjia Mining Machinery Co ltd
Current assignee: Jixi Mingjia Mining Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-11
Anticipated expiration: 2031-06-28

Abstract

The utility model relates to the technical field of coal mining, and discloses coal mine screening equipment for coal mining, which comprises a barrel body, wherein a rotating shaft is rotatably connected to the middle of the upper surface of the barrel body, a motor supporting table is fixedly connected to the upper surface of the barrel body, a driving motor is fixedly connected to the right side surface of the motor supporting table, the output end of the driving motor is fixedly connected with the top end of the rotating shaft, a fan-shaped rotating shell is fixedly sleeved at the bottom of the outer surface of the rotating shaft, and a screening plate is fixedly connected to the bottom of the inner wall of the barrel body. This a colliery screening installation for coal mining, through axis of rotation, fan-shaped rotation shell, screening board, division board and bent shape row material pipe cooperation use for fan-shaped rotation shell drives the coal ore and moves on the screening board, and the screening board carries out the cubic screening to the coal mine stone, thereby has further improved the device to the screening precision of coal ore, has further reduced the waste of coal ore, has improved the screening efficiency of coal mine stone.

Description

Coal mine screening equipment for coal mining

Technical Field

The utility model relates to the technical field of coal mining, in particular to coal mine screening equipment for coal mining.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open-pit coal mine, when a coal bed is far away from the ground surface, coal is generally excavated to an underground excavation roadway, the mineworker coal mine is the mineworker coal mine, when the distance between the coal bed and the ground surface is very close, the coal is generally excavated by directly stripping a surface soil layer, the open-pit coal mine is the open-pit coal mine, most coal mines in China belong to the mineworker coal mine, the coal mines need to be screened after being mined, a circular vibrating screen is generally adopted for screening the coal mines, when the existing circular vibrating screen is used, the coal mines roll downwards along the inclination angle of the circular vibrating screen, some impurities with larger diameters can be mixed with the coal mines, the screening accuracy is not high, and when the circular vibrating screen shakes, the coal mines on a coarse screen easily leak from two sides, and the working efficiency is not high.

For example, chinese patent application nos.: 202020318817.4 there is provided a coal mine screening apparatus for use in coal mining, substantially as described herein: including the circle main part of shaking the sieve, the circle shakes and installs coarse screen and fine screen in the sieve main part, and the coarse screen is located the upper end of fine screen, the circle is shaken and is provided with the flow distribution plate in the sieve main part, and this colliery screening equipment that coal mining adopted is provided with the flow distribution plate between coarse screen and fine screen, and impurity can roll along the flow distribution plate and fall to the left the place ahead that the circle shakes the sieve, can not sneak into the colliery in, has improved the efficiency of screening, but the device can produce a large amount of dusts when using, is unfavorable for that the staff's is healthy.

Therefore, the inventor provides a coal mine screening device for coal mining, which takes rich design development and actual manufacturing experience of the related industry for years, researches and improves the existing structure and deficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides coal mine screening equipment for coal mining, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine screening device for coal mining comprises a barrel body, wherein a rotating shaft is rotatably connected to the middle of the upper surface of the barrel body, a motor supporting table is fixedly connected to the upper surface of the barrel body, a driving motor is fixedly connected to the right side surface of the motor supporting table, the output end of the driving motor is fixedly connected with the top end of the rotating shaft, a fan-shaped rotating shell is fixedly sleeved at the bottom of the outer surface of the rotating shaft, a screening plate is fixedly connected to the bottom of the inner wall of the barrel body, a curved poking rod is fixedly connected to the top of the outer surface of the rotating shaft, a feeding pipe is communicated with the left side of the upper surface of the barrel body, a feeding hopper is communicated with the upper surface of the feeding pipe, a baffle groove is formed in the rear side of the outer surface of the feeding pipe, a baffle is arranged inside the baffle groove, a rotating plate is fixedly connected to the left side of the outer surface of the baffle, and a connecting rod is rotatably connected to the middle of the upper surface of the rotating plate, the top of connecting rod and the top inner wall fixed connection of staving, the first connecting plate of left side fixedly connected with of rotor plate upper surface, staving top inner wall fixedly connected with second connecting plate, fixedly connected with spring between first connecting plate and the second connecting plate, surface fixedly connected with division board under the staving, staving lower surface intercommunication has three curved shape to arrange the material pipe, the left side intercommunication of staving surface has the rectangle pipeline, the middle part fixedly connected with filter screen of rectangle pipeline inner wall, the left side fixedly connected with exhaust fan of rectangle pipeline inner wall, the positive top of rectangle pipeline is pegged graft and is had the dust collection box, the positive middle part fixedly connected with handle of dust collection box, three stands of surface fixedly connected with under the staving, surface fixedly connected with shock absorber post under the stand.

Preferably, the left side surface of the motor supporting table is fixedly connected with two groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the barrel body.

Preferably, the screening plate is divided into three groups of regions, each group of regions is provided with screening holes, and the hole diameters of the screening holes are respectively one hundred millimeters, three hundred millimeters and five hundred millimeters.

Preferably, the left side and the right side of the dust collection box are fixedly connected with two groups of square sliding rails, and the inner wall of the rectangular pipeline is provided with a square sliding chute matched with the square sliding rails.

Preferably, the shock absorption column comprises a support column, a support sleeve is sleeved at the bottom of the outer surface of the support column, a base plate is fixedly connected to the lower surface of the support sleeve, and a compression spring is arranged inside the support sleeve.

Preferably, the outer surface of the connecting rod is sleeved with two groups of limiting lantern rings, and the limiting lantern rings are respectively positioned at the top and the bottom of the rotating plate.

(III) advantageous effects

Compared with the prior art, the utility model provides coal mine screening equipment for coal mining, which has the following beneficial effects:

1. this a colliery screening installation for coal mining, through axis of rotation, fan-shaped rotation shell, screening board, division board and bent shape row material pipe cooperation use for fan-shaped rotation shell drives the coal ore and moves on the screening board, and the screening board carries out the cubic screening to the coal mine stone, thereby has further improved the device to the screening precision of coal ore, has further reduced the waste of coal ore, has improved the screening efficiency of coal mine stone.

2. This a colliery screening installation for coal mining uses through axis of rotation, bent shape poker rod, inlet pipe, baffle, rotor plate and spring cooperation for the axis of rotation drives bent shape poker rod and rotates, and bent shape poker rod opens the baffle when fan-shaped rotation shell is located the inlet pipe bottom, and inside the coal mine stone falls into fan-shaped rotation shell, thereby further improved the degree of automation of the device operation, further improved the screening efficiency of the device to the coal ore.

3. This a colliery screening installation for coal mining uses through rectangle pipeline, filter screen, exhaust fan and dust collection box cooperation for inside the exhaust fan inhales the rectangle pipeline with the inside dust of staving, and the filter screen filters the dust, and inside the dust collection box was entered into to the dust, thereby improved staff's operational environment, protected that staff's is healthy, further made things convenient for the recovery of staff to coal ash.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2, FIG. 3, FIG. 4 and FIG. 5 are schematic cross-sectional views of the present invention;

in the figure: 1. a barrel body; 2. a rotating shaft; 3. a motor support table; 4. a drive motor; 5. a sector shaped rotating shell; 6. a screening plate; 7. a curved poker bar; 8. a feed pipe; 801. a baffle slot; 9. a baffle plate; 10. a rotating plate; 11. a connecting rod; 12. a first connecting plate; 13. a second connecting plate; 14. a spring; 15. a partition plate; 16. a curved discharge duct; 17. a shock-absorbing post; 18. a rectangular duct; 19. a filter screen; 20. an exhaust fan; 21. a dust collecting box; 22. a handle; 23. a column; 24. a feed hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a coal mine screening device for coal mining comprises a barrel body 1, a rotating shaft 2 is rotatably connected to the middle of the upper surface of the barrel body 1, a motor supporting table 3 is fixedly connected to the upper surface of the barrel body 1, a driving motor 4 is fixedly connected to the right side surface of the motor supporting table 3, the type of the driving motor 4 is 1LE0001, the output end of the driving motor 4 is fixedly connected with the top end of the rotating shaft 2, a sector rotating shell 5 is fixedly sleeved at the bottom of the outer surface of the rotating shaft 2, a screening plate 6 is fixedly connected to the bottom of the inner wall of the barrel body 1, a curved poking rod 7 is fixedly connected to the top of the outer surface of the rotating shaft 2, a feeding pipe 8 is communicated with the left side of the upper surface of the barrel body 1, a feeding funnel 24 is communicated with the upper surface of the feeding pipe 8, a baffle groove 801 is arranged at the rear side of the outer surface of the feeding pipe 8, a baffle 9 is arranged in the baffle groove 801, and a rotating plate 10 is fixedly connected to the left side of the outer surface of the baffle 9, the middle part of the upper surface of the rotating plate 10 is rotatably connected with a connecting rod 11, the top end of the connecting rod 11 is fixedly connected with the inner wall of the top part of the barrel body 1, the left side of the upper surface of the rotating plate 10 is fixedly connected with a first connecting plate 12, the inner wall of the top part of the barrel body 1 is fixedly connected with a second connecting plate 13, a spring 14 is fixedly connected between the first connecting plate 12 and the second connecting plate 13, the lower surface of the barrel body 1 is fixedly connected with a separating plate 15, the lower surface of the barrel body 1 is communicated with three groups of curved discharge pipes 16, the left side of the outer surface of the barrel body 1 is communicated with a rectangular pipeline 18, the middle part of the inner wall of the rectangular pipeline 18 is fixedly connected with a filter screen 19, the left side of the inner wall of the rectangular pipeline 18 is fixedly connected with an exhaust fan 20, the model of the exhaust fan 20 is HF-100S, the top of the front of the rectangular pipeline 18 is inserted with a dust collection box 21, the middle part of the front of the dust collection box 21 is fixedly connected with a handle 22, and the lower surface of the barrel body 1 is fixedly connected with three groups of upright posts 23, the damping column 17 is fixedly connected to the lower surface of the upright column 23, the fan-shaped rotating shell 5, the screening plate 6, the separating plate 15 and the curved discharge pipe 16 are matched for use, so that the fan-shaped rotating shell 5 drives coal ores to move on the screening plate 6, the screening plate 6 screens the coal ores for three times, the screening precision of the device for the coal ores is further improved, the waste of the coal ores is further reduced, the screening efficiency of the coal ores is improved, the rotating shaft 2, the curved poking rod 7, the feeding pipe 8, the baffle 9, the rotating plate 10 and the spring 14 are matched for use, so that the rotating shaft 2 drives the curved poking rod 7 to rotate, the baffle 9 is opened when the fan-shaped rotating shell 5 is positioned at the bottom of the feeding pipe 8, the stones fall into the fan-shaped rotating shell 5, the running automation degree of the device is further improved, and the screening efficiency of the device for the coal ores is further improved, through rectangular pipe 18, filter screen 19, exhaust fan 20 and dust collection box 21 cooperation use for inside exhaust fan 20 inhales rectangular pipe 18 with the inside dust of staving 1, filter screen 19 filters the dust, and the dust gets into inside dust collection box 21, thereby has improved staff's operational environment, has protected that staff's is healthy, has further made things convenient for the recovery of staff to coal ash.

In the utility model, in order to further enhance the support stability of the motor support platform 3, two groups of reinforcing ribs are fixedly connected to the left side surface of the motor support platform 3, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the barrel body 1, so that the two groups of reinforcing ribs play a role in stably supporting the left side surface of the motor support platform 3, and the support stability of the motor support platform 3 is further enhanced.

In the utility model, in order to sieve a coal mine into ores of three sizes, the sieving plates 6 are equally divided into three groups of regions, each group of regions is provided with sieving holes, the aperture of each sieving hole is one hundred millimeters, three hundred millimeters and five hundred millimeters, and the device can sieve the coal mine into ores of three sizes by arranging the sieving holes with different sizes.

In the utility model, in order to further enhance the motion stability of the dust collection box 21, two sets of square sliding rails are fixedly connected to the left side and the right side of the dust collection box 21, the inner wall of the rectangular pipeline 18 is provided with a square sliding chute matched with the square sliding rails, and the square sliding rails and the square sliding chutes are matched for use, so that the motion stability of the dust collection box 21 is further enhanced.

In the utility model, in order to further enhance the stability of the device in use, the shock-absorbing column 17 comprises a support column, a support sleeve is sleeved at the bottom of the outer surface of the support column, a base plate is fixedly connected to the lower surface of the support sleeve, and a compression spring is arranged in the support sleeve, so that the shock-absorbing column plays a role of stably supporting the bottom of the device, and the stability of the device in use is further enhanced.

In the utility model, in order to further enhance the rotational stability of the rotating plate 10, two groups of limiting lantern rings are sleeved on the outer surface of the connecting rod 11 and are respectively positioned at the top and the bottom of the rotating plate 10, so that the limiting lantern rings play a limiting role on the rotating plate 10, and the rotational stability of the rotating plate 10 is further enhanced.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the coal mine dust collector is used, coal mine stones are thrown into the feeding pipe 8, the driving motor 4 is started, the output end of the driving motor 4 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the curved poking rod 7 and the fan-shaped rotating shell 5 to rotate, when the fan-shaped rotating shell 5 rotates to be under the feeding pipe 8, the curved poking rod 7 drives the rotating plate 10 to rotate, the rotating plate 10 drives the baffle 9 to rotate, the spring 14 is compressed, the baffle 9 is opened, the coal mine stones fall into the fan-shaped rotating shell 5, the curved poking rod 7 continues to rotate, the spring 14 extends, the baffle 9 is closed, the screening plate 6 screens coal mines in the fan-shaped rotating shell 5, three coal ores with different particle sizes fall into the bottom of the barrel body 1 and are discharged through the three groups of curved discharging pipes 16, the exhaust fan 20 is started, the air and dust in the barrel body 1 are sucked out by the exhaust fan 20, the filter screen 19 filters dust, and the dust falls into the dust collecting box 21, the dust box 21 is taken out by the handle 22 and the dust is collected.

To sum up, this a colliery screening installation for coal mining arranges material 16 cooperation through axis of rotation 2, fan-shaped shell 5, screening board 6, division board 15 and bent shape and uses for fan-shaped shell 5 that rotates drives the coal ore and moves on screening board 6, and screening board 6 carries out the cubic screening to the coal mine stone, thereby has further improved the device to the screening precision of coal ore, has further reduced the waste of coal ore, has improved the screening efficiency of coal mine stone.

This a colliery screening installation for coal mining, through axis of rotation 2, bent shape poker rod 7, inlet pipe 8, baffle 9, rotor plate 10 and the cooperation of spring 14 are used, make axis of rotation 2 drive bent shape poker rod 7 and rotate, bent shape poker rod 7 is opened baffle 9 when fan-shaped rotation shell 5 is located inlet pipe 8 bottom, the coal mine stone falls into fan-shaped rotation shell 5 inside, thereby further improved the degree of automation of the device operation, further improved the screening efficiency of the device to the coal ore.

This a colliery screening installation for coal mining uses through the cooperation of rectangular pipe 18, filter screen 19, exhaust fan 20 and dust collection box 21 for inside exhaust fan 20 inhales rectangular pipe 18 with the inside dust of staving 1, and filter screen 19 filters the dust, and inside the dust got into dust collection box 21, thereby improved staff's operational environment, protected staff's healthy, further made things convenient for the recovery of staff to the coal ash.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 colliery screening installation for coal mining, includes staving (1), its characterized in that: the middle part of the upper surface of the barrel body (1) is rotatably connected with a rotating shaft (2), the upper surface of the barrel body (1) is fixedly connected with a motor supporting table (3), the right side surface of the motor supporting table (3) is fixedly connected with a driving motor (4), the output end of the driving motor (4) is fixedly connected with the top end of the rotating shaft (2), the bottom of the outer surface of the rotating shaft (2) is fixedly sleeved with a fan-shaped rotating shell (5), the bottom of the inner wall of the barrel body (1) is fixedly connected with a screening plate (6), the top of the outer surface of the rotating shaft (2) is fixedly connected with a curved poking rod (7), the left side of the upper surface of the barrel body (1) is communicated with a feeding pipe (8), the upper surface of the feeding pipe (8) is communicated with a feeding funnel (24), the rear side of the outer surface of the feeding pipe (8) is provided with a baffle groove (801), and a baffle (9) is arranged inside the baffle groove (801), the novel garbage can is characterized in that a rotating plate (10) is fixedly connected to the left side of the outer surface of the baffle (9), a connecting rod (11) is rotatably connected to the middle of the upper surface of the rotating plate (10), the top end of the connecting rod (11) is fixedly connected with the inner wall of the top of the can body (1), a first connecting plate (12) is fixedly connected to the left side of the upper surface of the rotating plate (10), a second connecting plate (13) is fixedly connected to the inner wall of the top of the can body (1), a spring (14) is fixedly connected between the first connecting plate (12) and the second connecting plate (13), a separating plate (15) is fixedly connected to the lower surface of the can body (1), three groups of curved discharge pipes (16) are communicated to the lower surface of the can body (1), a rectangular pipeline (18) is communicated to the left side of the outer surface of the can body (1), and a filter screen (19) is fixedly connected to the middle of the inner wall of the rectangular pipeline (18), the utility model discloses a washing machine, including staving (1), rectangle pipeline (18), the positive top of rectangle pipeline (18) is pegged graft and is had dust collection box (21), the positive middle part fixedly connected with handle (22) of dust collection box (21), three group stand (23) of surface fixedly connected with under staving (1), stand (23) surface fixedly connected with shock absorber post (17).

2. A coal mine screening apparatus for coal mining as claimed in claim 1 wherein: the motor supporting table (3) is fixedly connected with two groups of reinforcing ribs on the left side face, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the barrel body (1).

3. A coal mine screening apparatus for coal mining as claimed in claim 1 wherein: the screening plates (6) are divided into three groups of areas, screening holes are formed in each group of areas, and the hole diameters of the screening holes are respectively one hundred millimeters, three hundred millimeters and five hundred millimeters.

4. A coal mine screening apparatus for coal mining as claimed in claim 1 wherein: the left side and the right side of the dust collection box (21) are fixedly connected with two groups of square sliding rails, and the inner wall of the rectangular pipeline (18) is provided with a square sliding chute matched with the square sliding rails.

5. A coal mine screening apparatus for coal mining as claimed in claim 1 wherein: shock attenuation post (17) have cup jointed the support sleeve including the support column, the bottom of support column surface, and support sleeve lower fixed surface is connected with the backing plate, and support sleeve inside is provided with compression spring.

6. A coal mine screening apparatus for coal mining as claimed in claim 1 wherein: two groups of limiting lantern rings are sleeved on the outer surface of the connecting rod (11), and the limiting lantern rings are respectively located at the top and the bottom of the rotating plate (10).