CN221086296U

CN221086296U - Colliery sieving mechanism

Info

Publication number: CN221086296U
Application number: CN202322787236.1U
Authority: CN
Inventors: 郭昭华
Original assignee: Inner Mongolia Jiarui Technology Co ltd
Current assignee: Inner Mongolia Jiarui Technology Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-06-07
Anticipated expiration: 2033-10-17

Abstract

The utility model discloses a coal mine screening device, which comprises a screening box, wherein three screening plates are arranged in the screening box, three supporting plates matched with the screening plates are fixedly connected to the bottom of an inner cavity of the screening box, one side of the uppermost screening plate is rotatably connected with the top of the rightmost supporting plate through a rotating piece, and the other sides of the three screening plates are fixedly connected with connecting plates. This coal mine sieving mechanism drives the dwang through the motor and rotates, and the dwang drives the impeller plate and rotates the promotion baffle, makes the continuous reciprocal slope of three screening plates shake, carries out classified screening to the coal cinder that can be fine through three screening plates, simultaneously takes out the smoke and dust of screening incasement through the intake pipe on the aspiration pump, makes the outlet duct arrange the smoke and dust in the filtration frame to the prevention coal cinder screening that can be fine produces the smoke and dust, ensured the near operational environment of coal cinder screening.

Description

Colliery sieving mechanism

Technical Field

The utility model relates to the technical field of coal mine screening, in particular to a coal mine screening device.

Background

The open pit coal mine is used as an important coal production mode in the current coal industry, has the advantages of low cost, high efficiency, easy exploitation and the like, and is widely applied. But may cause some contamination of the surrounding environment during the mining process. In the process of fully utilizing coal resources, the coal resources need to be screened, so that coals with different sizes are distinguished.

And in the process of coal block screening with different sizes, the surface of the coal block is provided with coal dust, the coal block shakes in the screening process, so that the coal dust on the surface of the coal block flies to generate smoke dust, the environment near the coal block screening is affected, and workers can easily operate tired heating sweat during the coal block screening operation.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a coal mine screening device, which solves the problems that coal dust on the surface of coal blocks flies to generate smoke dust, the environment nearby coal block screening is affected, and workers are easy to operate tired heating sweat during coal block screening operation.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery sieving mechanism, includes the sieving box, the inside of sieving box is provided with three screening plates, the bottom fixedly connected with of sieving box inner chamber is three with the backup pad of sieving plate looks adaptation, is located the top rotate through rotating the piece between one side of screening plate and the top of rightmost backup pad and be connected, three the opposite side fixedly connected with connecting plate of sieving plate, one side of sieving box is provided with actuating mechanism, the bottom fixedly connected with mounting panel of sieving box opposite side, the top fixedly connected with filter frame of mounting panel, the opposite side of sieving box is through fixed plate fixedly connected with aspiration pump, the inlet end intercommunication of aspiration pump has the intake pipe, the one end of intake pipe runs through the inside of sieving box and extends to the sieving box, the end intercommunication of giving vent to anger of aspiration pump has the outlet duct, the one end of outlet duct passes the filter frame and extends to the inside of filter frame.

Preferably, the driving mechanism comprises a motor, the motor passes through mount fixed connection in one side of screening case, the output shaft of motor passes through shaft coupling fixedly connected with dwang, the one end of dwang runs through the screening case and extends to the inside of screening case, the dwang extends to the inside one end fixedly connected with impeller plate of screening case, one side fixedly connected with of connecting plate and the baffle of impeller plate looks adaptation, fixedly connected with limiting plate with connecting plate looks adaptation between the front portion and the rear portion of screening case inner chamber.

Preferably, the front part and the rear part of the inner cavity of the filtering frame are both provided with sliding plates in sliding connection through openings, a filtering plate is fixedly connected between two opposite sides of the sliding plates, and a cover plate is fixedly connected to the top of the filtering plate.

Preferably, the front portion of filter frame communicates there is the ventilation pipe, the anterior one side fixedly connected with of screening case frame of blowing, the one end of ventilation pipe runs through the frame of blowing and extends to the inside of frame of blowing.

Preferably, the top of screening case is through seting up opening fixedly connected with feeding frame.

Preferably, the front part and the rear part of the screening box are provided with a plurality of mounting ports.

Advantageous effects

The utility model provides a coal mine screening device. Compared with the prior art, the method has the following beneficial effects:

(1) According to the utility model, the motor drives the rotating rod to rotate, and the rotating rod drives the pushing plate to rotate to push the baffle plate, so that the three screening plates continuously incline and shake in a reciprocating manner, coal blocks can be well screened in a grading manner through the three screening plates, and meanwhile, smoke dust in the screening box is pumped out through the air inlet pipe on the air suction pump, so that the air outlet pipe discharges the smoke dust into the filtering frame, and therefore, the coal block screening can be well prevented from generating smoke dust, and the working environment near the coal block screening is ensured.

(2) According to the utility model, smoke dust in the extracted air is filtered through the filter plate, and the filtered air is discharged through the ventilation pipe, so that the blowing frame is blown, and the staff in front of the screening box can be well blown and radiated.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the screening plate, support plate and drive mechanism of the present utility model;

Fig. 4 is a schematic view showing the internal structure of the filter frame, the sliding plate and the filter plate of the present utility model.

In the figure: 1. a screening box; 2. a screening plate; 3. a support plate; 4. a connecting plate; 5. a driving mechanism; 6. a mounting plate; 7. a filter frame; 8. an air extracting pump; 9. an air inlet pipe; 10. an air outlet pipe; 11. a sliding plate; 12. a filter plate; 13. a cover plate; 14. a ventilation pipe; 15. a blowing frame; 16. a feed frame; 17. a mounting port; 51. a motor; 52. a rotating lever; 53. a pushing plate; 54. a baffle; 55. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a colliery sieving mechanism, including screening case 1, screening case 1's top is through seting up opening fixedly connected with feeding frame 16, screening case 1's inside is provided with three screening board 2, screening case 1's bottom fixedly connected with is three with screening board 2 looks adaptation's backup pad 3, be located and rotate through the rotating member between the top of one side of the screening board 2 and the rightmost backup pad 3 and be connected, three screening board 2's opposite side fixedly connected with connecting plate 4, screening case 1's one side is provided with actuating mechanism 5, screening case 1's bottom fixedly connected with mounting panel 6, the top fixedly connected with filtering frame 7 of mounting panel 6, screening case 1's opposite side is through fixed plate fixedly connected with aspiration pump 8, aspiration pump 8's inlet end intercommunication has intake pipe 9, screening case 1 is run through to screening case 1's inside, the end intercommunication that gives vent to air outlet pipe 10, outlet pipe 10's one end is passed filtering frame 7 and is extended to filtering frame 7's inside.

Further, in order to facilitate inserting the collecting frame into the mounting opening 17, the screened coal blocks are collected, and a plurality of mounting openings 17 are formed in the front portion and the rear portion of the screening box 1.

Further, in order to drive three screening plates 2 to shake and screen coal, actuating mechanism 5 includes motor 51, motor 51 is servo motor, with external power electric connection, control through control switch, motor 51 passes through mount fixed connection in one side of screening case 1, the output shaft of motor 51 passes through shaft coupling fixedly connected with dwang 52, the one end of dwang 52 runs through screening case 1 and extends to screening case 1's inside, dwang 52 extends to screening case 1 inside one end fixedly connected with push plate 53, one side fixedly connected with of connecting plate 4 and push plate 53 looks adaptation baffle 54, fixedly connected with limiting plate 55 with connecting plate 4 looks adaptation between the front portion and the rear portion of screening case 1 inner chamber.

Further, in order to filter the smoke dust in the air in the screening box 1 to discharge the wind and blow the heat dissipation to the staff, the front portion and the rear portion of the inner chamber of the filter frame 7 are all connected with the sliding plate 11 through seting up opening sliding connection, fixedly connected with filter plate 12 between the opposite one side of two sliding plates 11, the top fixedly connected with apron 13 of filter plate 12, the front portion intercommunication of filter frame 7 has ventilation pipe 14, one side fixedly connected with in screening box 1 front portion is bloied frame 15, the one end of ventilation pipe 14 runs through bloied frame 15 and extends to the inside of bloied frame 15.

It should be noted that, by pulling the cover plate 13 upwards, the sliding plate 11 and the filter plate 12 can be conveniently removed for cleaning.

When the coal screening device is used, the control switch is started, the motor 51 drives the rotating rod 52 to rotate, the rotating rod 52 drives the pushing plate 53 to rotate, the pushing plate 53 rotates for a circle and then drives the baffle plate 54 to move upwards, the baffle plate 54 drives the three screening plates 2 to rotate obliquely on the supporting plate 3 through the rotating piece, the three screening plates 2 move downwards again to reset according to self weight, so that the three screening plates 2 continuously reciprocate upwards and downwards, coal blocks are added into the screening box 1 through the feeding frame 16, the coal blocks fall onto the first screening plate 2, the coal blocks are screened for the first time through shaking of the first screening plate 2, the large coal blocks gradually fall onto the right of the supporting plate 3, the small coal blocks fall onto the second screening plate 2 from the first screening plate 2 to be screened, and the small coal blocks fall onto the third screening plate 2 to be screened again;

Simultaneously, the air inlet pipe 9 on the air pump 8 is used for exhausting, the air inlet pipe 9 can be used for exhausting the smoke dust of the coal blocks in the screening box 1, the smoke dust is discharged into the filtering frame 7 through the air outlet pipe 10, the air with the smoke dust is filtered through the filtering plate 12, the filtered air can be discharged from the ventilating pipe 14, the air is discharged and blown through the blowing frame 15, and the working personnel in front of the screening box 1 can be blown by the blowing frame 15.

Claims

1. The utility model provides a colliery sieving mechanism, includes screening case (1), its characterized in that: the inside of screening case (1) is provided with three screening board (2), the bottom fixedly connected with of screening case (1) inner chamber is three with backup pad (3) of screening board (2) looks adaptation, is located the top through rotating between one side of screening board (2) and the top of rightmost backup pad (3) and rotating the connection, three the opposite side fixedly connected with connecting plate (4) of screening board (2), one side of screening case (1) is provided with actuating mechanism (5), the bottom fixedly connected with mounting panel (6) of screening case (1) opposite side, the top fixedly connected with filter frame (7) of mounting panel (6), the opposite side of screening case (1) is through fixed plate fixedly connected with aspiration pump (8), the inlet end intercommunication of aspiration pump (8) has intake pipe (9), the one end of intake pipe (9) runs through screening case (1) and extends to the inside of screening case (1), the end intercommunication that gives vent to of aspiration pump (8) has outlet duct (10), the one end of outlet duct (10) passes through filtration frame (7) and extends to inside filtration frame (7).

2. A coal mine screening apparatus as claimed in claim 1, wherein: the driving mechanism (5) comprises a motor (51), the motor (51) is fixedly connected to one side of the screening box (1) through a fixing frame, an output shaft of the motor (51) is fixedly connected with a rotating rod (52) through a coupler, one end of the rotating rod (52) penetrates through the screening box (1) and extends to the inside of the screening box (1), the rotating rod (52) extends to one end fixedly connected with a pushing plate (53) inside the screening box (1), one side of the connecting plate (4) is fixedly connected with a baffle plate (54) matched with the pushing plate (53), and a limiting plate (55) matched with the connecting plate (4) is fixedly connected between the front part and the rear part of an inner cavity of the screening box (1).

3. A coal mine screening apparatus as claimed in claim 1, wherein: the front part and the rear part of the inner cavity of the filtering frame (7) are both connected with sliding plates (11) through openings, a filtering plate (12) is fixedly connected between two opposite sides of the sliding plates (11), and a cover plate (13) is fixedly connected to the top of the filtering plate (12).

4. A coal mine screening apparatus as claimed in claim 1, wherein: the front portion of filter frame (7) is communicated with ventilation pipe (14), one side of filter tank (1) front portion fixedly connected with frame (15) of blowing, the one end of ventilation pipe (14) runs through frame (15) of blowing and extends to the inside of frame (15) of blowing.

5. A coal mine screening apparatus as claimed in claim 1, wherein: the top of screening case (1) is fixedly connected with feeding frame (16) through seting up the opening.

6. A coal mine screening apparatus as claimed in claim 1, wherein: the front part and the rear part of the screening box (1) are provided with a plurality of mounting ports (17).