CN213133326U

CN213133326U - Grading crushing device for coal mine

Info

Publication number: CN213133326U
Application number: CN202021381026.2U
Authority: CN
Inventors: 张奇光; 吕梁杰; 高宇; 高楠楠; 张灵涛; 马永珍; 刘亚明; 霍勇
Original assignee: Datong Coal Mine Group Co Ltd
Current assignee: Datong Coal Mine Group Co Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-05-07
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a hierarchical breaker for coal mine, including smashing the storehouse, the top of smashing the storehouse is provided with the charge door, and the inner chamber upside bilateral symmetry of smashing the storehouse is provided with upper sliding plate, middle side bilateral symmetry and is provided with lower sliding plate, downside and is provided with the filter screen through fixed frame, and upper sliding plate downside sets up the deflector, and the bottom of upper deflector is rotated and is provided with the one-level and smashes the roller, and lower sliding plate downside sets up down the deflector, and the bottom of lower deflector is rotated and is provided with the second grade and smashes the roller. The utility model is provided with a first-stage crushing roller and a second-stage crushing roller in the crushing bin in a rotating way, and the rotating handle adjusts the distance between the first-stage crushing rollers and the distance between the second-stage crushing rollers, so that the device crushes coal powder with different particle sizes; be provided with on the last deflector and draw the ash hole, set up the draught fan on the last deflector downside, the coal ash that the draught fan will be raised in the reinforced process is introduced and is smashed the storehouse, reduces the condition of raising the ash in the device operation process.

Description

Grading crushing device for coal mine

Technical Field

The utility model relates to a hierarchical breaker technical field is used in the colliery, concretely relates to hierarchical breaker is used in colliery.

Background

Coal is the most predominant solid fuel, one of the flammable organic rocks. It is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age. Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. The coal blocks are crushed into coal powder, so that the coal is fully contacted with air, and combustion is promoted.

In the patent document of patent No. CN209519887U, a colliery grading crushing device is disclosed, including the workbin of falling, the broken case of big material, broken case and collecting box of little material, still divide screen cloth A and agitating unit including the vibrations that are used for screening the colliery, vibrations divide screen cloth A horizontal setting to fall inside the workbin, pass vibrations and divide screen cloth A's the vertical setting of agitating unit to be in the workbin of falling, the upper portion that falls the workbin and lies in vibrations and divide screen cloth A is provided with the big material discharge gate, the big material discharge gate is connected with the broken case of big material through first material way, it is provided with the small material discharge gate to fall the workbin and lie in vibrations branch screen cloth A lower part, the small material discharge gate is connected with the broken case of little material through second material way. The device has the disadvantages that firstly, the device can not selectively crush the coal powder with different grain diameters; secondly, the device is easy to fly ash in the feeding process, and pollutes the working environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem among the prior art, provide a hierarchical breaker for coal mine.

The utility model relates to a coal mine grading crushing device, including smashing the storehouse, the top of smashing the storehouse is provided with the charge door, and the inner chamber upside bilateral symmetry of smashing the storehouse is provided with upper sliding plate, the medial side bilateral symmetry is provided with lower sliding plate, the downside is provided with the filter screen through fixed frame, the downside slip of upper sliding plate is provided with the upper deflector, the bottom of upper deflector rotates and is provided with one-level crushing roller, the downside slip of lower sliding plate is provided with lower deflector, the bottom of lower deflector rotates and is provided with second grade crushing roller, two the distance between the second grade crushing roller is less than two the distance between the one-level crushing roller;

crushing outer wall upside bilateral symmetry of storehouse slides and is provided with driving gear, downside bilateral symmetry and slides and be provided with driven gear, two the roller fixed connection is smashed with corresponding one-level to the driving gear, two driven gear smashes roller fixed connection with corresponding second grade, be connected with the conveying chain between driving gear and the corresponding driven gear, the output shaft of driving gear fixed connection motor, the motor slides through the mounting bracket and sets up on crushing the outer wall in storehouse.

Further, the top fixed mounting who smashes the storehouse has the mounting panel, be provided with the conveyer belt on the mounting panel, the downside of mounting panel is provided with the strengthening rib, strengthening rib other end fixed mounting is on the outer wall in installation storehouse, the blanking end setting of conveyer belt is in the top of charge door.

Furthermore, the lower side surface of the upper sliding plate is provided with an upper sliding groove, an upper sliding block is arranged in the upper sliding groove in a sliding mode, and the bottom of the upper sliding block is fixedly connected with the corresponding upper guide plate.

Further, the lower side surface of the lower sliding plate is provided with a lower sliding groove, a lower sliding block is arranged in the lower sliding groove in a sliding mode, and the bottom of the lower sliding block is fixedly connected with the corresponding lower guide plate.

Further, the inner wall of going up deflector and smashing the storehouse is provided with the spring, be provided with left sleeve in the spring, left sleeve one end fixed connection smashes the inner wall in storehouse, the other end in the slip be provided with right sleeve, right sleeve fixed connection goes up the deflector.

Furthermore, a plurality of ash guiding holes are uniformly formed in the upper guide plate, and air guiding is fixedly installed on the upper side face of the upper guide plate.

Further, fixed mounting has the rotation storehouse on smashing the outer wall in storehouse, it is provided with the screw rod to rotate through rolling bearing in the storehouse to rotate, the symmetry is provided with two sections screw threads on the screw rod, and the spiro union has a nut, two respectively on every section screw thread nut and corresponding mounting bracket fixed connection, it is provided with the handle to rotate through rolling bearing on the outer wall in storehouse to rotate, handle fixed connection screw rod.

Further, be provided with the bin outlet on the downside lateral wall of smashing the storehouse, fixed mounting has the stock guide on the bottom inner wall of smashing the storehouse, filter screen one end fixed mounting has the connecting plate, the other end runs through the lateral wall of smashing the storehouse and slides and be provided with fixed frame on, be provided with the vibrations piece on the filter screen, fixed frame fixed mounting is in smashing the storehouse.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses rotate in smashing the storehouse and be provided with one-level crushing roller and second grade crushing roller, drive the mounting bracket through rotatory handle and slide to distance between the roller is smashed to adjustment one-level and second grade crushing roller, the buggy that makes the device smash out different particle diameters.

2. The utility model discloses be provided with on last deflector and draw the ash hole, set up the draught fan on the last deflector downside, the coal ash that the draught fan will be raised up in the reinforced process is introduced and is smashed the storehouse, reduces the condition of raising the ash in the device operation process.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a coal mine grading crusher of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic cross-sectional view of the upper sliding plate of the present invention;

FIG. 4 is a schematic cross-sectional view of the lower sliding plate of the present invention;

fig. 5 is a schematic sectional view of the rotary bin of the present invention.

The reference numbers are as follows:

1-crushing bin, 101-charging opening, 102-discharging opening, 2-upper sliding plate, 201-upper sliding groove, 202-upper sliding block, 3-lower sliding plate, 301-lower sliding groove, 302-lower sliding block, 4-primary crushing roller, 5-secondary crushing roller, 6-induced draft fan, 7-upper guide plate, 701-ash guiding hole, 8-lower guide plate, 9-rotating bin, 10-driven gear, 11-motor, 12-transmission chain, 13-driving gear, 15-transmission belt, 16-mounting plate, 17-reinforcing rib, 18-handle, 19-screw rod, 20-nut, 21-connecting plate, 22-filter screen, 23-guide plate, 24-fixed frame, 25-vibrating block, 26-spring, 27-left sleeve, 28-right sleeve, 29-mounting bracket.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1-5, a grading crushing device for coal mine comprises a crushing bin 1, a charging opening 101 is arranged at the top of the crushing bin 1, an upper sliding plate 2 is arranged on the upper side of the inner cavity of the crushing bin 1 in a bilateral symmetry manner, a lower sliding plate 3 is arranged on the middle side in a bilateral symmetry manner, a filter screen 22 is arranged at the lower side through a fixing frame 24, a mounting plate 16 is fixedly arranged at the top of the crushing bin 1, a conveyor belt 15 is arranged on the mounting plate 16, a reinforcing rib 17 is arranged at the lower side of the mounting plate 16, the other end of the reinforcing rib 17 is fixedly arranged on the outer wall of the mounting bin 1, the blanking end of the conveyor belt 15 is arranged above the charging opening 101, a discharge opening 102 is arranged on the lower side wall of the crushing bin 1, a guide plate 23 is fixedly arranged on the inner wall at the bottom of the, the filter screen 22 is provided with a vibration block 25, and a fixing frame 24 is fixedly installed in the crushing bin 1.

An upper sliding groove 201 is formed in the lower side surface of the upper sliding plate 2, an upper sliding block 202 is arranged in the upper sliding groove 201 in a sliding mode, the bottom of the upper sliding block 202 is fixedly connected with a corresponding upper guide plate 7, a primary crushing roller 4 is rotatably arranged at the bottom end of the upper guide plate 7, springs 26 are arranged on the upper guide plate 7 and the inner wall of the crushing bin 1, a left sleeve 27 is arranged in each spring 26, one end of each left sleeve 27 is fixedly connected with the inner wall of the crushing bin 1, a right sleeve 28 is arranged in the other end of each left sleeve 27 in a sliding mode, and the right sleeve 28 is; a plurality of ash guiding holes 701 are uniformly formed in the upper guide plate 7, and an induced draft fan 6 is fixedly mounted on the upper side face of the upper guide plate 7.

A lower sliding groove 301 is formed in the lower side surface of the lower sliding plate 3, a lower sliding block 302 is arranged in the lower sliding groove 301 in a sliding mode, the bottom of the lower sliding block 302 is fixedly connected with a corresponding lower guide plate 8, a secondary crushing roller 5 is rotatably arranged at the bottom end of the lower guide plate 8, and the distance between the two secondary crushing rollers 5 is smaller than the distance between the two primary crushing rollers 5;

the upper side of the outer wall of the crushing bin 1 is provided with driving gears 13 in a bilateral symmetry sliding manner, the lower side of the outer wall of the crushing bin 1 is provided with driven gears 10 in a bilateral symmetry sliding manner, the two driving gears 13 are fixedly connected with corresponding primary crushing rollers 4, the two driven gears 10 are fixedly connected with corresponding secondary crushing rollers 5, a conveying chain 12 is connected between the driving gears 13 and the corresponding driven gears 10, the driving gears 13 are fixedly connected with an output shaft of a motor 11, the motor 11 is arranged on the outer wall of the crushing bin 1 in a sliding manner through a mounting rack 29, a rotating bin 9 is fixedly installed on the outer wall of the crushing bin 1, a screw rod 19 is arranged in the rotating bin 9 in a rotating manner through a rotating bearing, two sections of threads are symmetrically arranged on the screw rod 19, each section of thread is respectively screwed with a nut 20, the two nuts 20 are fixedly connected, the handle 18 is fixedly connected with the screw rod 19.

The working principle of the embodiment is as follows:

when the coal dust collector is used, the particle size of coal dust to be obtained is known, a proper mesh number of filter screens is selected, and the filter screens 22 are placed on the fixing frame 24. The rotating handle 18 drives the screw rod 19 to rotate, the screw rod 19 rotates to drive the nut 20 to move on the screw rod 19, so that the mounting frame 29 is driven to slide, the mounting frame 29 slides to drive the primary crushing roller 4 and the secondary crushing roller 5 to be close to or far away from each other, so that the distance between the primary crushing roller 4 and the secondary crushing roller 5 is adjusted, and the device crushes coal powder with a proper particle size. Carry the coal cinder through conveyer belt 15 and smash storehouse 1 in, driving motor 11, motor 11 rotates and drives one-level crushing roller 4 and second grade crushing roller 5 and rotate and smash the coal cinder, the coal cinder after 4 smashes of one-level crushing roller falls on second grade crushing roller 5 through deflector 8 down, second grade crushing roller 5 carries out the regrinding, the buggy that smashes the completion falls on filter screen 22, the vibrations piece 15 vibrations on the filter screen 22 are buggy filter speed and accelerate, and discharge through bin outlet 102.

When the coal briquette is added into the crushing bin 1, the induced draft fan 6 introduces the lifted coal ash into the crushing bin 1 through the ash guide hole 701, so that ash lifting in the feeding process is reduced, and pollution is reduced.

The induced draft fan 6, the motor 11, the conveyor belt 15 and the vibration block 25 are externally connected with a power supply, the control mode is common knowledge, and detailed description is not provided in the specification.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The grading crushing device for the coal mine comprises a crushing bin (1), and is characterized in that a feeding opening (101) is formed in the top of the crushing bin (1), an upper sliding plate (2) is arranged on the upper side of an inner cavity of the crushing bin (1) in a bilateral symmetry mode, a lower sliding plate (3) is arranged on the middle side in a bilateral symmetry mode, a filter screen (22) is arranged on the lower side through a fixing frame (24), an upper guide plate (7) is arranged on the lower side of the upper sliding plate (2) in a sliding mode, a first-stage crushing roller (4) is arranged at the bottom end of the upper guide plate (7) in a rotating mode, a lower guide plate (8) is arranged on the lower side of the lower sliding plate (3) in a sliding mode, a second-stage crushing roller (5) is arranged at the bottom end of the lower guide plate (8);

smash the outer wall upside bilateral symmetry of storehouse (1) and slide and be provided with driving gear (13), downside bilateral symmetry and slide and be provided with driven gear (10), two driving gear (13) and corresponding one-level crushing roller (4) fixed connection, two driven gear (10) and corresponding second grade crushing roller (5) fixed connection, be connected with between driving gear (13) and corresponding driven gear (10) conveying chain (12), the output shaft of driving gear (13) fixed connection motor (11), motor (11) slide through mounting bracket (29) and set up on the outer wall of smashing storehouse (1).

2. The coal mine grading crushing device according to claim 1, wherein: the top fixed mounting who smashes storehouse (1) has mounting panel (16), be provided with conveyer belt (15) on mounting panel (16), the downside of mounting panel (16) is provided with strengthening rib (17), strengthening rib (17) other end fixed mounting is on the outer wall of smashing storehouse (1), the blanking end setting of conveyer belt (15) is in the top of charge door (101).

3. The coal mine grading crushing device according to claim 1, wherein: the lower side surface of the upper sliding plate (2) is provided with an upper sliding groove (201), an upper sliding block (202) is arranged in the upper sliding groove (201) in a sliding mode, and the bottom of the upper sliding block (202) is fixedly connected with a corresponding upper guide plate (7).

4. The coal mine grading crushing device according to claim 1, wherein: the downside of lower sliding plate (3) is provided with down sliding tray (301), it is provided with down sliding block (302) to slide in sliding tray (301) down, corresponding lower deflector (8) of lower sliding block (302) bottom fixed connection.

5. The coal mine grading crushing device according to claim 1, wherein: go up deflector (7) and the inner wall of smashing storehouse (1) and be provided with spring (26), be provided with left sleeve (27) in spring (26), slide in the inner wall of left sleeve (27) one end fixed connection crushing storehouse (1), the other end and be provided with right sleeve (28), right sleeve (28) fixed connection goes up deflector (7).

6. The coal mine grading crushing device according to claim 1, wherein: a plurality of ash guiding holes (701) are uniformly formed in the upper guide plate (7), and an induced draft fan (6) is fixedly mounted on the upper side face of the upper guide plate (7).

7. The coal mine grading crushing device according to claim 1, wherein: fixed mounting has rotation storehouse (9) on the outer wall of crushing storehouse (1), it is provided with screw rod (19) to rotate through rolling bearing in storehouse (9) to rotate, the symmetry is provided with two sections screw threads on screw rod (19), and the spiro union has a nut (20), two respectively on every section screw thread nut (20) and corresponding mounting bracket (29) fixed connection, it is provided with handle (18) to rotate through rolling bearing on the outer wall of rotation storehouse (9), handle (18) fixed connection screw rod (19).

8. The coal mine grading crushing device according to claim 1, wherein: be provided with bin outlet (102) on the downside lateral wall of smashing storehouse (1), fixed mounting has stock guide (23) on the bottom inner wall of smashing storehouse (1), on filter screen (22) one end fixed mounting had connecting plate (21), the other end ran through the lateral wall slip that smashes storehouse (1) and is provided with fixed frame (24), be provided with on filter screen (22) and shake piece (25), fixed frame (24) fixed mounting is in smashing storehouse (1).