CN216936197U

CN216936197U - Crushing device for coal mining

Info

Publication number: CN216936197U
Application number: CN202122475157.8U
Authority: CN
Inventors: 王岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-07-12
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a crushing device for coal mining, which comprises a crushing box, wherein an anti-blocking structure is arranged at the lower end in the crushing box, buffer plates are obliquely and alternately arranged on the left side wall surface and the right side wall surface in the crushing box, a storage bin is connected to the left side of the upper wall surface of the crushing box, a feeding port is arranged at the upper end of the storage bin, and first crushing rollers are symmetrically arranged in the storage bin left and right.

Description

Crushing device for coal mining

Technical Field

The utility model relates to the technical field of coal mining equipment, in particular to a crushing device for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above and below ground and related facilities.

The colliery is often very big when the exploitation, consequently can carry out the breakage to massive colliery in order to make things convenient for the transportation, and current breaker places the material generally and carries out the breakage to the material in breaker, makes the interior jam of breaker easily, needs the staff to clear up, and unusual trouble influences work efficiency, for this reason, we provide a breaker for coal mining.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the crushing device for coal mining comprises a crushing box, wherein the lower end in the crushing box is provided with an anti-blocking structure, the left side wall surface and the right side wall surface in the crushing box are obliquely and alternately provided with buffer plates, the left side of the upper wall surface of the crushing box is connected with a material bin, the upper end of the material bin is provided with a material inlet, first crushing rollers are symmetrically arranged in the material bin in the left and right direction, the first crushing rollers are rotationally arranged between the front wall surface and the rear wall surface in the material bin, the rear end of the first crushing roller penetrates out of the material bin, the end of the first crushing roller penetrating out of the material bin is connected with a second motor, the second motor is arranged on the rear side wall surface of the material bin, the lower end in the crushing box is symmetrically provided with a second crushing roller in the left and right direction, the front end and the rear end of the second crushing roller are rotationally arranged on the front wall surface and the rear wall surface of the crushing box, the rear end of the second crushing roller penetrates out of the crushing box, the second crushing roller is connected with a third motor, the third motor is arranged on the rear wall surface of the crushing box, and the lower end of the right wall surface of the crushing box is provided with a discharge hole;

prevent stifled structure including installing in the pivot of broken incasement front and back wall, the division board is installed to the array on the pivot annular wall, broken case is worn out to the pivot rear end, broken case end is worn out in the pivot and is connected with first motor, first motor is installed on broken case rear side wall face.

Preferably, a through groove is formed in the buffer plate, and a rolling shaft is rotatably mounted on the front wall surface and the rear wall surface of the through groove.

Preferably, a reinforcing plate is installed between the buffer plate and the side wall surface of the crushing box.

Preferably, a conveyor belt is arranged on the lower wall surface in the crushing box and extends rightwards to penetrate out of the discharge port.

The utility model has the following beneficial effects: the secondary crushing device is reasonable in structure and novel in design, materials are crushed secondarily, the crushing effect is good, the materials are prevented from being blocked at the feeding port through the first crushing roller, the crushing precision can be improved through the second crushing roller, the materials can be temporarily stored through the anti-blocking structure, the materials are prevented from being accumulated in the crushing box to cause material blockage, and the inner structure of the crushing box is prevented from being injured by smashing the materials through the arranged buffer plate.

Drawings

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

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic top view of a baffle of the present invention.

In the figure: 1-crushing box, 2-anti-blocking structure, 3-buffer plate, 4-bin, 5-first crushing roller, 6-second crushing roller, 7-discharge port, 21-rotating shaft, 22-partition plate, 8-through groove, 9-rolling shaft, 10-reinforcing plate and 11-conveying belt.

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. 1-3, a crushing device for coal mining comprises a crushing box 1, the crushing box 1, an anti-blocking structure 2 arranged at the lower end of the crushing box 1, buffer plates 3 obliquely and alternately arranged on the left and right side wall surfaces of the crushing box 1, a bin 4 connected to the left side of the upper wall surface of the crushing box 1, a feed inlet arranged at the upper end of the bin 4, first crushing rollers 5 symmetrically arranged in the bin 4, the first crushing rollers 5 rotatably arranged between the front and rear wall surfaces of the bin 4, the rear end of the first crushing roller 5 penetrating out of the bin 4, a second motor connected to the end of the first crushing roller 5 penetrating out of the bin 4, the second motor arranged on the rear side wall surface of the bin 4, second crushing rollers 6 symmetrically arranged at the left and right of the lower end of the crushing box 1, the front and rear ends of the second crushing rollers 6 rotatably arranged on the front and rear wall surfaces of the crushing box 1, the rear end of the second crushing roller 6 penetrating out of the crushing box 1, and a third motor connected to the end of the second crushing roller 6 penetrating out of the crushing box 1, the third motor is arranged on the rear side wall surface of the crushing box 1, and the lower end of the right side wall surface of the crushing box 1 is provided with a discharge hole 7;

the device is connected with electricity, a first motor, a second motor and a third motor are started, the second motor drives a pair of first crushing rollers 5 to rotate, the first crushing roller 5 at the left end rotates clockwise, the first crushing roller 5 at the right side rotates anticlockwise, the third motor drives a second crushing roller 6 to rotate, the second crushing roller 6 at the left end rotates clockwise, the second crushing roller 6 at the right end rotates anticlockwise, materials are placed in a material bin 4, the materials are primarily crushed by the first crushing roller 5 to prevent the feeding part from being blocked, the primarily crushed materials fall onto a buffer plate 3 to prevent the materials from naturally falling and damaging the internal structure of a crushing box 1, the materials passing through the buffer plate 3 are stored on an anti-blocking structure 2 to prevent the materials from being accumulated too much in the crushing box 1 to cause blockage, the anti-blocking structure 2 plays a role in temporarily storing the materials, the materials downwards fall onto the second crushing roller 6 by the rotation of the anti-blocking structure 2, the materials are crushed again, the materials after secondary crushing fall downwards, and the materials are recycled through a discharge hole 7.

Prevent stifled structure 2 including installing in the pivot 21 of broken case internal front and back wall, division board 22 is installed to the array on the pivot 21 annular wall, and broken case 1 is worn out to pivot 21 rear end, and broken case 1 end is worn out in pivot 21 is connected with first motor, and first motor is installed on broken case 1 rear side wall.

The material is saved between adjacent division board 22, starts first motor, drives pivot 21 through the effect of first motor and rotates to make division board 22 rotate, rotate through division board 22 and make the material drop down.

Specifically, a through groove 8 is formed in the buffer plate 3, and a roller 9 is rotatably mounted on the front wall surface and the rear wall surface of the through groove 8.

The materials are convenient to move on the buffer plate 3 through the rolling shafts 9 on the buffer plate 3.

Specifically, a reinforcing plate 10 is attached between the baffle plate 3 and the side wall surface of the crushing box 1.

The connection between the damping plate 3 and the crushing box 1 is reinforced by a reinforcement plate 10.

Specifically, the lower wall surface is provided with conveyer belt 11 in crushing case 1, and conveyer belt 11 is connected with the external drive, and conveyer belt 11 extends to the right and wears out discharge gate 7.

The material drops onto the conveyor belt 11 and is transported out of the crushing box 1 through the conveyor belt 11.

Example (b): when using, place the material in feed bin 4, carry out preliminary breakage to the material through first crushing roller 5, on the buffer board 3 is fallen to preliminary broken material, avoid the material to injure the structure in broken case 1 by a crashing object, the material through buffer board 3 is saved between adjacent division board 22, when division board 22 rotates, make the material between the division board 22 fall on second crushing roller 6, carry out the secondary crushing through second crushing roller 6 to the material, crushing effect is good, the material after the secondary crushing drops on conveyer belt 11, transport the material through conveyer belt 11.

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 crushing device for coal mining is characterized by comprising a crushing box (1), wherein the crushing box (1) is provided with an anti-blocking structure (2) at the inner lower end of the crushing box (1), buffer boards (3) are obliquely and alternately arranged on the left side wall surface and the right side wall surface of the crushing box (1), a bin (4) is connected to the left side of the upper wall surface of the crushing box (1), a feed inlet is formed in the upper end of the bin (4), first crushing rollers (5) are symmetrically arranged in the bin (4) in a left-right mode, the first crushing rollers (5) are rotatably arranged between the front wall surface and the rear wall surface of the bin (4), the rear end of each first crushing roller (5) penetrates out of the bin (4), the ends of the first crushing rollers (5) penetrate out of the bin (4) and are connected with a second motor, the second motor is arranged on the rear side wall surface of the bin (4), and second crushing rollers (6) are symmetrically arranged at the inner lower end of the crushing box (1), the front end and the rear end of the second crushing roller (6) are rotatably arranged on the front wall surface and the rear wall surface of the crushing box (1), the rear end of the second crushing roller (6) penetrates through the crushing box (1), the end, penetrating through the crushing box (1), of the second crushing roller (6) is connected with a third motor, the third motor is arranged on the rear side wall surface of the crushing box (1), and the lower end of the right side wall surface of the crushing box (1) is provided with a discharge hole (7);

prevent stifled structure (2) including installing pivot (21) of wall around in broken case (1), division board (22) are installed to the array on pivot (21) annular wall, broken case (1) is worn out to pivot (21) rear end, broken case (1) end connection is worn out in pivot (21), first motor is installed on broken case (1) rear side wall face.

2. The crushing device for coal mining according to claim 1, wherein the buffer plate (3) is provided with a through groove (8), and the front wall surface and the rear wall surface of the through groove (8) are rotatably provided with rollers (9).

3. A crushing apparatus for coal mining according to claim 1, wherein a reinforcing plate (10) is installed between the buffer plate (3) and the side wall surface of the crushing box (1).

4. A crushing plant for coal mining according to claim 1, characterized in that the inner and lower wall surfaces of the crushing box (1) are provided with a conveyor belt (11), and the conveyor belt (11) extends to the right out of the discharge opening (7).