CN212821015U

CN212821015U - Screening plant for coal mining

Info

Publication number: CN212821015U
Application number: CN202021270336.7U
Authority: CN
Inventors: 白东阳; 吕建光; 刘小兵; 成利波; 谭鹏; 董泽星
Original assignee: Shanxi Yangcheng Yangtai Group Yuchang Coal Industry Co ltd
Current assignee: Shanxi Yangcheng Yangtai Group Yuchang Coal Industry Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-30
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a screening plant is adopted in coal mining, including the screening case, the screening chamber has been seted up to the inside of screening case, the top intercommunication in screening chamber is provided with feed hopper, the intermediate position in screening chamber is provided with the screen cloth, the left side position of screen cloth has seted up first holding tank in the screening case, install a vibrating motor in the first holding tank, a vibrating motor's output is connected with the head rod through shaft coupling transmission, the other end welding of head rod is in the left side of screen cloth, the bottom in screening chamber is provided with the bottom plate. The utility model discloses a screen cloth sieves the size in colliery, and big colliery is stayed on the screen cloth, and on the bottom plate was fallen in little colliery to drive the screen cloth vibration through first vibrating motor, second vibrating motor drove the bottom plate vibration, can increase the unloading speed in colliery, has improved the speed of screening, has reduced the possibility of jam.

Description

Screening plant for coal mining

Technical Field

The utility model relates to a coal mining technical field specifically is a screening plant is adopted in coal mining.

Background

The coal mine mechanical equipment refers to machinery specially engaged in mining, mineral separation and prospecting, and a large number of cranes, conveyors, ventilators, drainage machines and the like applied to mine operation are collectively called as coal mine mechanical equipment. In the coal mining process, the mined coal mine needs to be screened to separate the coal mines with different sizes, so that the coal mines can be conveniently and respectively processed.

The current screening plant for coal mining still has some problems: the blanking speed of the coal mine is low, the screening speed is influenced, and the blockage condition is easily caused; meanwhile, the screened coal mines are inconvenient to be separately collected, and influence may exist among the screened coal mines.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screening device for coal mining, which screens the coal mine through a screen, the large coal mine is left on the screen, the small coal mine falls on a bottom plate, the first vibrating motor drives the screen to vibrate, the second vibrating motor drives the bottom plate to vibrate, the blanking speed of the coal mine can be increased, the screening speed is improved, the possibility of blockage is reduced, by arranging the first collecting box and the second collecting box, the big coal mine enters the first collecting box and is discharged from the first feed opening, the small coal mine enters the second collecting box and is discharged from the second feed opening, the screened coal mine is conveniently and independently collected through the reverse design of the first feed opening and the second feed opening, and the condition that influence possibly exists among the screened coal mines is reduced, so that the problems in the background technology are solved.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for coal mining comprises a screening box, wherein a screening cavity is formed in the screening box, a feeding hopper is arranged at the top of the screening cavity in a communicated mode, a screen is arranged at the middle position of the screening cavity, a first accommodating groove is formed in the screening box at the left side of the screen, a first vibrating motor is installed in the first accommodating groove, the output end of the first vibrating motor is connected with a first connecting rod through coupling transmission, the other end of the first connecting rod is welded at the left side of the screen, a bottom plate is arranged at the bottom of the screening cavity, a second accommodating groove is formed in the screening box at the left side of the bottom plate, a second vibrating motor is installed in the second accommodating groove, the output end of the second vibrating motor is connected with a second connecting rod through coupling transmission, the other end of the second connecting rod is welded at the left side of the bottom plate, the screening device is characterized in that a first discharge port is formed in the right side wall of the screening box at the right end of the screen, a first collecting box is fixedly arranged on the screening box below the first discharge port, a first discharge port is formed in the bottom of one side of the first collecting box, a second discharge port is formed in the right side wall of the screening box at the right end of the bottom plate, a second collecting box is fixedly arranged on the screening box below the second discharge port, and a second discharge port is formed in the bottom of one side of the second collecting box.

The inside of first holding tank and second holding tank all is provided with the backing plate, the backing plate slope sets up, just the equal fixed mounting of first vibrating motor and second vibrating motor is on the backing plate.

The inside of screening case has been seted up the spout, the spout is located the both sides wall in screening chamber, the both ends of screen cloth and the both ends of bottom plate all slide and set up in the spout.

The feeding device comprises a first collecting box, a second collecting box and a first feeding plate, wherein the first feeding plate is arranged inside the first collecting box, the bottom end of the first feeding plate is arranged at the bottom of a first discharging opening, the second feeding plate is arranged inside the second collecting box, and the bottom end of the second feeding plate is arranged at the bottom of a second discharging opening.

The first material guide plate and the second material guide plate are obliquely arranged, and the oblique directions of the first material guide plate and the second material guide plate are opposite.

The outer side of the first collecting box is welded with an extension plate, the extension plate is arranged on the same side of the first discharging opening, and the extension plate is arranged at the bottom of the first discharging opening.

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

1. the utility model discloses a screen cloth sieves the size in colliery, and big colliery is stayed on the screen cloth, and on the bottom plate was fallen in little colliery to drive the screen cloth vibration through first vibrating motor, second vibrating motor drove the bottom plate vibration, can increase the unloading speed in colliery, has improved the speed of screening, has reduced the possibility of jam.

2. The utility model discloses a set up first collecting box and second collecting box, make in big colliery gets into first collecting box to discharge from first feed opening, make in little colliery gets into the second collecting box, and discharge from the second feed opening, through the reverse design of first feed opening and second feed opening, the convenience is collected alone the colliery after the screening, and has reduced probably still can have the condition of influence between the colliery after the screening.

Drawings

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

fig. 2 is a right side view of the present invention in fig. 1;

FIG. 3 is a cross-sectional view of the first collection tank of FIG. 2 according to the present invention;

fig. 4 is a sectional view of the second collection tank of fig. 2 according to the present invention.

In the figure: 1. screening the box; 2. a screening chamber; 3. a feed hopper; 4. screening a screen; 5. a first accommodating groove; 6. a first vibration motor; 7. a first connecting rod; 8. a base plate; 9. a second accommodating groove; 10. a second vibration motor; 11. a second connecting rod; 12. a first discharge port; 13. a first collection tank; 14. a first feed opening; 15. a second discharge port; 16. a second collection tank; 17. a second feed opening; 18. a base plate; 19. a first material guide plate; 20. a second material guide plate; 21. an extension board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a screening device for coal mining comprises a screening box 1, a screening cavity 2 is formed in the screening box 1, a feeding hopper 3 is communicated with the top of the screening cavity 2, a screen 4 is arranged in the middle of the screening cavity 2, a first accommodating groove 5 is formed in the screening box 1 on the left side of the screen 4, a first vibrating motor 6 is installed in the first accommodating groove 5, the output end of the first vibrating motor 6 is connected with a first connecting rod 7 through coupling transmission, the other end of the first connecting rod 7 is welded on the left side of the screen 4, a bottom plate 8 is arranged at the bottom of the screening cavity 2, a second accommodating groove 9 is formed in the screening box 1 on the left side of the bottom plate 8, a second vibrating motor 10 is installed in the second accommodating groove 9, the output end of the second vibrating motor 10 is connected with a second connecting rod 11 through coupling transmission, and the other end of the second connecting rod 11 is welded on the left side of the bottom plate 8;

a first discharge port 12 is formed in the right side wall of the screening box 1 at the right end of the screen 4, a first collection box 13 is fixedly arranged on the screening box 1 below the first discharge port 12, a first discharge port 14 is formed in the bottom of one side of the first collection box 13, a second discharge port 15 is formed in the right side wall of the screening box 1 at the right end of the bottom plate 8, a second collection box 16 is fixedly arranged on the screening box 1 below the second discharge port 15, and a second discharge port 17 is formed in the bottom of one side of the second collection box 16;

in order to conveniently mount the first vibration motor 6 and the second vibration motor 10, the first accommodating groove 5 and the second accommodating groove 9 are internally provided with backing plates 18, the backing plates 18 are obliquely arranged, and the first vibration motor 6 and the second vibration motor 10 are fixedly mounted on the backing plates 18;

in order to facilitate the vibration of the screen 4 and the bottom plate 8, the screening box 1 is internally provided with sliding grooves which are positioned on two side walls of the screening cavity 2, two ends of the screen 4 and two ends of the bottom plate 8 are both arranged in the sliding grooves in a sliding manner, and the sliding grooves can support two ends of the screen 4 and two ends of the bottom plate 8 and cannot influence the vibration of the screen 4 and the bottom plate 8;

in order to discharge coal mines from the inside of the first collecting box 13 and the second collecting box 16 conveniently, a first material guide plate 19 is arranged inside the first collecting box 13, the bottom end of the first material guide plate 19 is arranged at the bottom of the first discharging opening 14, a second material guide plate 20 is arranged inside the second collecting box 16, the bottom end of the second material guide plate 20 is arranged at the bottom of the second discharging opening 17, in order to separate and process the screened coal mines conveniently, the first material guide plate 19 and the second material guide plate 20 are both obliquely arranged, the inclination directions of the first material guide plate 19 and the second material guide plate 20 are opposite, in order to collect the coal mines from the first discharging opening 14 conveniently, an extension plate 21 is welded on the outer side of the first collecting box 13, the extension plate 21 is arranged on the same side of the first discharging opening 14, and the extension plate 21 is arranged at the bottom of the first discharging opening 14.

The working principle is as follows: the utility model screens the coal mine through the screen 4, the large coal mine is left on the screen 4, the small coal mine falls on the bottom plate 8, the first vibrating motor 6 drives the screen 4 to vibrate, and the second vibrating motor 10 drives the bottom plate 8 to vibrate, so that the blanking speed of the coal mine can be increased, the screening speed is increased, and the possibility of blockage is reduced; through setting up first collecting box 13 and second collecting box 16, make big colliery get into in the first collecting box 13 to discharge from first feed opening 14, make little colliery get into in the second collecting box 16, and discharge from second feed opening 17, through the reverse design of first feed opening 12 and second feed opening 17, conveniently collect alone the colliery after the screening, and reduced the condition that probably still can have the influence between the colliery after the screening.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screening plant for coal mining, includes screening case (1), its characterized in that: the screening box is characterized in that a screening cavity (2) is formed in the screening box (1), a feeding hopper (3) is communicated with the top of the screening cavity (2), a screen (4) is arranged at the middle position of the screening cavity (2), a first accommodating groove (5) is formed in the screening box (1) at the left side of the screen (4), a first vibrating motor (6) is installed in the first accommodating groove (5), the output end of the first vibrating motor (6) is connected with a first connecting rod (7) through coupling transmission, the other end of the first connecting rod (7) is welded at the left side of the screen (4), a bottom plate (8) is arranged at the bottom of the screening cavity (2), a second accommodating groove (9) is formed in the screening box (1) at the left side of the bottom plate (8), and a second vibrating motor (10) is installed in the second accommodating groove (9), the output end of the second vibration motor (10) is connected with a second connecting rod (11) through a coupling in a transmission way, the other end of the second connecting rod (11) is welded on the left side of the bottom plate (8), the right end part of the screen (4) is positioned on the right side wall of the screening box (1) and is provided with a first discharge hole (12), a first collecting box (13) is fixedly arranged below the first discharge hole (12) on the screening box (1), a first feed opening (14) is arranged at the bottom of one side of the first collecting box (13), the right end part of the bottom plate (8) is positioned on the right side wall of the screening box (1) and is provided with a second discharge hole (15), a second collecting box (16) is fixedly arranged below the second discharge hole (15) on the screening box (1), and a second feed opening (17) is formed in the bottom of one side of the second collecting box (16).

2. A screening apparatus for coal mining as claimed in claim 1, wherein: the inside of first holding tank (5) and second holding tank (9) all is provided with backing plate (18), backing plate (18) slope sets up, just equal fixed mounting of first vibrating motor (6) and second vibrating motor (10) is on backing plate (18).

3. A screening apparatus for coal mining as claimed in claim 1, wherein: the inside of screening case (1) has been seted up the spout, the spout is located the both sides wall in screening chamber (2), the both ends of screen cloth (4) and the both ends of bottom plate (8) all slide and set up in the spout.

4. A screening apparatus for coal mining as claimed in claim 1, wherein: the device comprises a first collecting box (13), a first material guide plate (19) is arranged inside the first collecting box (13), the bottom end of the first material guide plate (19) is arranged at the bottom of a first feed opening (14), a second material guide plate (20) is arranged inside a second collecting box (16), and the bottom end of the second material guide plate (20) is arranged at the bottom of a second feed opening (17).

5. A screening arrangement for coal mining as claimed in claim 4, wherein: the first material guide plate (19) and the second material guide plate (20) are obliquely arranged, and the oblique directions of the first material guide plate (19) and the second material guide plate (20) are opposite.

6. A screening apparatus for coal mining as claimed in claim 1, wherein: the outer side of the first collecting box (13) is welded with an extension plate (21), the extension plate (21) is arranged on the same side of the first discharging opening (14), and the extension plate (21) is arranged at the bottom of the first discharging opening (14).