CN220781133U

CN220781133U - Colliery screening installation that colliery was opened and is used

Info

Publication number: CN220781133U
Application number: CN202321157200.9U
Authority: CN
Inventors: 窦晨阳
Original assignee: Xinjiang Xinjiang Xinjiang Na Mining Co ltd
Current assignee: Xinjiang Xinjiang Xinjiang Na Mining Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2024-04-16
Anticipated expiration: 2033-05-15

Abstract

The utility model belongs to the technical field of coal mining, in particular to coal mine screening equipment for coal mine exploitation, which comprises a device body, wherein an installation bin is arranged on the device body, and a separation assembly, a crushing assembly, a screening assembly and a collecting assembly are sequentially arranged in the installation bin from top to bottom, and the separation assembly is positioned at one side of the crushing assembly; the separation assembly comprises sliding rods which are arranged on the inner wall of the installation bin and distributed in a linear array, and the sliding rods are obliquely arranged towards the crushing assembly; according to the utility model, the crushing assembly and the plurality of sliding bars are arranged in the coal mine screening equipment, during the coal mine feeding process into the screening equipment, the coal blocks with smaller particles fall into the screening assembly from the gap between two adjacent sliding bars for screening treatment, and the coal blocks with larger block heads fall into the crushing assembly along the sliding bars for crushing, so that the coal blocks with larger block heads can be prevented from directly falling into the coal mine screening equipment for screening, and the service life of the coal mine screening equipment is effectively avoided.

Description

Colliery screening installation that colliery was opened and is used

Technical Field

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

Background

Coal mines are reasonable spaces dug by human beings when mining geological formations rich in coal, and generally comprise roadways, shaft pits, mining surfaces and the like; coal is the most predominant solid fuel, one of the combustible organic rocks; the plant is formed by gradually accumulating a plurality of plants growing in a certain geologic period into a thick layer in a proper geologic environment, burying the thick layer in water bottom or sediment, and performing natural coalification in the long geologic period; in a coal mining area, a mined coal mine is usually required to be screened, and coal mine screening equipment is equipment used for coal mining; the existing coal mine screening equipment has the defect of simple structure, when the sizes of coal blocks are different, larger coal blocks fall into the screening equipment, the screen mesh in the coal mine screening equipment can be damaged due to the fact that the block heads are larger and heavier, the coal blocks are easy to accumulate, the coal mine screening equipment is damaged, and accordingly the service life of the coal mine screening equipment is shortened.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides coal mine screening equipment for coal mine exploitation, which solves the problems that the existing coal mine screening equipment is damaged and the practicability is reduced due to large and heavy coal blocks.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the coal mine screening device for coal mine exploitation comprises a device body, wherein an installation bin is arranged on the device body, and a separation assembly, a crushing assembly, a screening assembly and a collecting assembly are sequentially arranged in the installation bin from top to bottom, and the separation assembly is positioned on one side of the crushing assembly;

the separation assembly comprises sliding rods which are arranged on the inner wall of the installation bin and distributed in a linear array, and the sliding rods are obliquely arranged towards the crushing assembly;

the crushing assembly comprises two crushing wheels which are rotatably connected to the inner wall of the installation bin through bearing seats, and the two crushing wheels are matched with each other.

Further, the screening subassembly includes the screen cloth of sliding connection on the installation storehouse inner wall to and all rotate through the bearing frame and connect two conveyer belts on the installation storehouse both sides inner wall, two be provided with between the conveyer belt table wall and be equidistant the cutting pole that distributes, it connects on the screen cloth inner wall to cut the pole conflict, be provided with the removal drive assembly who drives screen cloth reciprocating motion on the device body.

Further, remove drive assembly and include carousel, rocker and connecting rod, connecting rod sliding connection is on the spout of seting up on the device body, the carousel passes through the bearing frame and rotates to be connected on the device body, the both ends of rocker all rotate respectively through the bearing frame and connect the off-axis department in carousel one side to and rotate the one end of connecting at the connecting rod, the other end of connecting rod and one side fixed connection of screen cloth.

Further, the collecting assembly comprises a first collecting box and a second collecting box which are arranged on the inner wall of the installation bin, the first collecting box is located under the screen, the second collecting box is located on one side of the screen, and the screen is obliquely arranged towards the second collecting box.

Further, three servo motors which respectively drive the conveyor belt, the rotary table and the crushing wheel to rotate are arranged on the device body.

(III) beneficial effects

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

1. according to the utility model, the crushing assembly and the plurality of sliding bars are arranged in the coal mine screening equipment, during the coal mine feeding process into the screening equipment, the coal blocks with smaller particles fall into the screening assembly from the gap between two adjacent sliding bars for screening treatment, and the coal blocks with larger block heads fall into the crushing assembly along the sliding bars for crushing, so that the coal blocks with larger block heads can be prevented from directly falling into the coal mine screening equipment for screening, and the service life of the coal mine screening equipment is effectively avoided.

2. According to the coal mine screening device, the cutting rod is arranged in the coal mine screening device, when the coal blocks are clamped in the filtering holes on the screen, the cutting rod is driven by the conveying belt to rotate around the conveying belt, and the cutting rod slides along the surface wall of the screen to cut the clamped coal blocks, so that the coal blocks are prevented from being accumulated due to the fact that the screen is clamped by the coal blocks; thereby the practicality of colliery screening installation has effectually been improved.

Drawings

FIG. 1 is a perspective view of the whole of the present utility model;

FIG. 2 is a schematic perspective view of the whole section of the present utility model;

fig. 3 is a schematic perspective view of a cutting bar, conveyor belt and screen of the present utility model.

In the figure: 1. a device body; 2. a slide bar; 3. a first collection box; 4. a second collection box; 5. a mounting bin; 6. a crushing wheel; 7. a conveyor belt; 8. a screen; 9. a connecting rod; 10. a rocker; 11. a turntable; 12. cutting the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 3, a coal mine screening device for coal mine exploitation provided by an embodiment of the utility model comprises a device body 1, wherein a mounting bin 5 is arranged on the device body 1, a separation assembly, a crushing assembly, a screening assembly and a collecting assembly are sequentially arranged in the mounting bin 5 from top to bottom, and the separation assembly is positioned at one side of the crushing assembly;

the separation assembly comprises sliding rods 2 which are arranged on the inner wall of the installation bin 5 and distributed in a linear array, and the sliding rods 2 are obliquely arranged towards the crushing assembly;

the crushing assembly comprises two crushing wheels 6 which are rotatably connected to the inner wall of the installation bin 5 through bearing seats, and the two crushing wheels 6 are matched with each other;

the coal mine is sent into an installation bin 5 on the device body 1, and the coal mine firstly passes through the separation assembly; smaller particle coal blocks fall into the screening component along the gap between two adjacent slide bars 2, larger-block-head coal blocks fall into the crushing component along the slide bars 2, the larger-block-head coal blocks are crushed in a rotating mode of the crushing wheel 6, and the crushed coal blocks also fall into the screening component and are screened by the screening component;

the end parts of the two crushing wheels 6 are fixedly connected with gears, and the two gears are mutually meshed and connected.

As shown in fig. 2, in some embodiments, the screening assembly comprises a screen 8 slidingly connected to the inner wall of the installation bin 5, and two conveyor belts 7 rotatably connected to the inner walls of both sides of the installation bin 5 through bearing seats, cutting rods 12 distributed at equal intervals are arranged between the surfaces of the two conveyor belts 7, the cutting rods 12 are in abutting connection with the inner wall of the screen 8, and a moving driving assembly for driving the screen 8 to reciprocate is arranged on the device body 1;

the coal blocks fall onto the upper surface of the screen 8, and the coal blocks are screened by the filtering holes on the screen 8;

wherein, the conveyor belt 7 drives each cutting rod 12 to move around the conveyor belt 7, and the cutting rods 12 can circularly slide along the surface wall of the screen 8; when the tips of the coal pieces are caught in the holes of the screen 8, the cutter bars 12 slide along the surface wall of the screen 8 to cut the caught coal pieces.

As shown in fig. 3, in some embodiments, the moving driving assembly includes a turntable 11, a rocker 10 and a connecting rod 9, the connecting rod 9 is slidably connected to a chute formed on the device body 1, the turntable 11 is rotatably connected to the device body 1 through a bearing seat, both ends of the rocker 10 are respectively rotatably connected to an eccentric center on one side of the turntable 11 through the bearing seat, and are rotatably connected to one end of the connecting rod 9, and the other end of the connecting rod 9 is fixedly connected to one side of the screen 8;

in the rotating process of the turntable 11, the connecting rod 9 is driven to slide back and forth on the chute through the rocker 10, and the connecting rod 9 drives the screen 8 to slide back and forth, so that the coal blocks are screened by utilizing the mode of the reciprocating movement of the screen 8.

As shown in fig. 2, in some embodiments, the collection assembly includes a first collection tank 3 and a second collection tank 4 disposed on an inner wall of the mounting bin 5, the first collection tank 3 being located directly below the screen 8, the second collection tank 4 being located on one side of the screen 8, the screen 8 being disposed obliquely to the direction of the second collection tank 4;

the coal pieces sieved by the sieve 8 fall into the first collecting bin 3, while the unscreened coal pieces fall into the second collecting bin 4 along the inclined plane of the sieve 8.

As shown in fig. 1, in some embodiments, three servomotors for driving the conveyor belt 7, the turntable 11 and the crushing wheel 6 to rotate are provided on the device body 1;

the servo motors are electrically connected with a power supply, and the three servo motors are respectively used for driving the conveyor belt 7 and the rotary table 11 to rotate and the crushing wheel 6 to rotate.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Coal mine screening equipment for coal mine exploitation comprises a device body (1), and is characterized in that: the device comprises a device body (1), wherein an installation bin (5) is arranged on the device body, a separation assembly, a crushing assembly, a screening assembly and a collecting assembly are sequentially arranged in the installation bin (5) from top to bottom, and the separation assembly is positioned on one side of the crushing assembly;

the separation assembly comprises sliding rods (2) which are arranged on the inner wall of the installation bin (5) and distributed in a linear array, and the sliding rods (2) are obliquely arranged towards the crushing assembly;

the crushing assembly comprises two crushing wheels (6) which are rotatably connected to the inner wall of the installation bin (5) through bearing seats, and the two crushing wheels (6) are matched with each other.

2. A coal mine screening apparatus for coal mine opening as claimed in claim 1, wherein: the screening subassembly includes sliding connection screen cloth (8) on installation storehouse (5) inner wall to and all rotate through the bearing frame and connect two conveyer belts (7) on installation storehouse (5) both sides inner wall, two be provided with between conveyer belt (7) the table wall and be equidistant pole (12) that cut that distribute, it connects on screen cloth (8) inner wall to cut pole (12) conflict, be provided with the removal drive assembly who drives screen cloth (8) reciprocating motion on device body (1).

3. A coal mine screening apparatus for coal mine opening as claimed in claim 2, wherein: the movable driving assembly comprises a rotary table (11), a rocker (10) and a connecting rod (9), wherein the connecting rod (9) is slidably connected to a chute formed in the device body (1), the rotary table (11) is rotationally connected to the device body (1) through a bearing seat, both ends of the rocker (10) are respectively rotationally connected to the eccentric shaft on one side of the rotary table (11) through bearing seats, and are rotationally connected to one end of the connecting rod (9), and the other end of the connecting rod (9) is fixedly connected with one side of the screen mesh (8).

4. A coal mine screening apparatus for coal mine opening as claimed in claim 2, wherein: the collecting assembly comprises a first collecting box (3) and a second collecting box (4) which are arranged on the inner wall of the installation bin (5), the first collecting box (3) is located under the screen cloth (8), the second collecting box (4) is located on one side of the screen cloth (8), and the screen cloth (8) is obliquely arranged towards the direction of the second collecting box (4).

5. A coal mine screening apparatus for coal mine opening as claimed in claim 2, wherein: three servo motors which respectively drive the conveyor belt (7), the rotary table (11) and the crushing wheel (6) to rotate are arranged on the device body (1).