CN212383997U

CN212383997U - Novel multistage screening equipment for coal mine

Info

Publication number: CN212383997U
Application number: CN202020442867.3U
Authority: CN
Inventors: 韩江川
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-01-22
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a novel multistage screening equipment is used in colliery relates to colliery screening technical field, and it includes the feeder hopper, from last V type sieve and the branch stream block of having set gradually under to in the feeder hopper, divide stream block fixed connection in the inner wall bottom of feeder hopper, the inner wall fixed connection of V type sieve and feeder hopper. This novel multistage screening equipment is used in colliery, two self gravity descends through the pulling force and the sieve that rely on the spring, reciprocate at sieve two in-process that reciprocates, not only to big, the middlings piece carries out the screening for the third time, make the middlings piece fall into collecting box two through sieve two, the screening effect in the two big coal mines of sieve two pairs has still been improved, thereby make this screening equipment can carry out multistage screening processing to the colliery of variation in size, screening effect is good, and the device simple structure, design benefit, it is less to use electrical apparatus, save the manufacturing cost of this equipment, be convenient for maintain, user's user demand is satisfied.

Description

Novel multistage screening equipment for coal mine

Technical Field

The utility model relates to a colliery screening technical field specifically is a novel multistage screening equipment is used in colliery.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open pit coal mines, and the coal mines can be screened by using screening equipment after mining.

However, the existing screening equipment is complex in structure, high in production cost and inconvenient to maintain, and cannot be used for screening mined coal blocks in multiple stages, so that the coal blocks with different sizes are mixed together, and workers are still required to screen the coal blocks again, so that the screening effect of the coal blocks is poor, the work of the workers is inconvenient, and the labor capacity of the workers is increased.

Therefore, a novel multistage screening device for coal mines is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel multistage screening equipment is used in colliery has solved current screening equipment structure complicacy, and manufacturing cost is higher, is not convenient for maintain, can not carry out multistage screening's problem to the coal after mining.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: a novel multistage screening device for coal mines comprises a feed hopper, wherein a V-shaped sieve plate and a shunting block are sequentially arranged in the feed hopper from top to bottom, the shunting block is fixedly connected to the bottom of the inner wall of the feed hopper, the V-shaped sieve plate is fixedly connected with the inner wall of the feed hopper, discharge pipes are arranged on the left side wall and the right side wall of the feed hopper, a partition plate is slidably connected in a chute formed in the upper side wall of the discharge pipe, the partition plate is in lap joint with the inner wall of the discharge pipe, blanking pipes are arranged on the left side and the right side positions of the bottom of the inner wall of the feed hopper, the other ends of the two blanking pipes are communicated with a connecting cylinder, the connecting cylinder is fixedly connected in a round hole formed in the upper side wall of the screening cylinder, a first sieve plate is fixedly connected in a groove opening formed in the bottom of, the left end of the rotating shaft passes through two bearings and is fixedly connected with an output shaft of the motor, the two bearings are respectively clamped on the left side wall of the screening cylinder and the left side wall of the first collecting box, the motor is fixedly connected with the left side surface of the first collecting box through the fixing plate, the right side of the first collecting box is fixedly connected with a second collecting box, the right end of the screening cylinder penetrates through the left side wall of the second collecting box and is arranged in the second collecting box, the right end of the rotating shaft is fixedly connected with a half gear, the rear side of the half gear is engaged with and drives a rack which is fixedly connected with the upper surface of the second sieve plate, the second sieve plate is connected with the inner wall of the second collecting box in a sliding way, the four corners of the bottom of the second sieve plate are fixedly connected with telescopic rods, the fixed end of the telescopic rod is fixedly connected to the bottom of the inner wall of the second collecting box, the telescopic rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the bottom of the second sieve plate and the bottom of the inner wall of the second collecting box.

Preferably, the discharging pipe corresponds the setting of V type sieve, the last fixed surface of baffle is connected with the handle.

Preferably, the blanking pipe is made of a stainless steel hard pipe material.

Preferably, the four corners of the bottom of the first collecting box are fixedly connected with supporting legs.

Preferably, the position of the front side of the first collecting box is movably connected with a first box door through a first hinge, the front side of the second collecting box is movably connected with a second box door through a second hinge, and the front sides of the first box door and the second box door are fixedly connected with pull rings.

Preferably, a switch is fixedly mounted on the front face of the first collecting box and connected with the motor through an electric wire.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. the novel multistage screening device for the coal mine is characterized in that coal blocks with different sizes are screened for the first time through a V-shaped screen plate, the screened large, medium and small coal blocks fall into a screening cylinder under the matching of a flow distribution block, a blanking pipe and a connecting cylinder, the large, medium and small coal blocks are conveyed on one hand through a rotating shaft and a spiral conveying wheel in the rotating process, the large, medium and small coal blocks are screened again through the screen plate pair, the small coal blocks can fall into a first collecting box through the first screen plate, then the coal blocks are classified and collected, the large and medium coal blocks fall onto a second screen plate under the conveying action of the spiral conveying wheel on the large and medium coal blocks, the rack and the second screen plate move upwards through a semi-gear meshing transmission rack, when the semi-gear is not meshed with the rack, the rack descends by virtue of the tension of a spring and the gravity of the second screen plate, and in the reciprocating up-down and down movement process of the second screen plate, not only carry out the screening for the third time to big, middlings piece for middlings piece falls into collecting box two through sieve two, has still improved the screening effect in the two big and middle coal mines of sieve, thereby makes this screening equipment can carry out multistage screening processing to the colliery of variation in size, and screening effect is good, and the device simple structure, design benefit uses electrical apparatus less, saves the manufacturing cost of this equipment, and the maintenance of being convenient for satisfies user's user demand.

2. This novel multistage screening equipment for colliery through setting up feeder hopper, collecting box one and collecting box two, can carry out temporary collection to great, big, well, little coal cinder and deposit to in same batch of coal cinder screening completion back, open baffle, chamber door one and chamber door respectively and carry out categorised collection work to the coal cinder of two pairs of variation in size, make things convenient for workman's work, alleviate workman's the amount of labour.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

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

fig. 3 is a schematic view of the right side view structure of the half gear of the present invention.

In the figure: the device comprises a feed hopper 1, a flow splitting block 2, a 3V-shaped sieve plate, a discharge pipe 4, a handle 5, a partition plate 6, a discharge pipe 7, a connecting cylinder 8, a first collecting box 9, a motor 10, a fixing plate 11, a screening cylinder 12, a rotating shaft 13, a first sieve plate 14, a spiral conveying wheel 15, supporting legs 16, a rack 17, a half gear 18, a second collecting box 19, a second sieve plate 20, a spring 21, an expansion rod 22, a switch 23, a first box door 24 and a second box door 25.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a novel multi-stage screening device for coal mines comprises a feed hopper 1, a V-shaped sieve plate 3 and a shunting block 2 are sequentially arranged in the feed hopper 1 from top to bottom, the shunting block 2 is fixedly connected to the bottom of the inner wall of the feed hopper 1, coal blocks screened by the V-shaped sieve plate 3 fall on the shunting block 2, through the shunting action of the shunting block 2, coal mines in the feed hopper 1 can fall into a connecting cylinder 8 through two blanking pipes 7, the V-shaped sieve plate 3 is fixedly connected with the inner wall of the feed hopper 1, the coal blocks with different sizes are screened for the first time through the V-shaped sieve plate 3, larger coal blocks are left in the feed hopper 1, large, medium and small coal blocks fall on the shunting block 2 through the V-shaped sieve plate 3, discharge pipes 4 are arranged on the left side wall and the right side wall of the feed hopper 1, a partition plate 6 is slidably connected with a chute arranged on the upper side wall of the discharge pipe, the function is as follows: block up discharging pipe 4 through baffle 6, and then avoid the coal cinder in the feeder hopper 1 to pass through discharging pipe 4 and discharge, all be provided with unloading pipe 7 on the position of the inner wall bottom of feeder hopper 1 left and right partially, and the other end of two unloading pipes 7 all is linked together with connecting cylinder 8, in the round hole that the lateral wall was seted up on the sieving section of thick bamboo 12 was connected to connecting cylinder 8 fixed connection, fixedly connected with sieve 14 in the notch that the inner wall bottom of sieving section of thick bamboo 12 was seted up, its effect lies in: the coal blocks are secondarily screened through the first screen plate 14, so that small coal blocks can fall into the first collecting box 9 through the first screen plate 14, large and medium coal blocks continue to be left in the screening barrel 12 to be screened again, a rotating shaft 13 is arranged in the screening barrel 12, a spiral conveying wheel 15 is fixedly connected to the rotating shaft 13, the large, medium and small coal blocks are conveyed on one hand through the rotating shaft 13 and the spiral conveying wheel 15 in the rotating process, on the other hand, the large, medium and small coal blocks are screened again through the first screen plate 14, so that the small coal blocks can fall into the first collecting box 9 through the first screen plate 14 to be classified and collected, the left end of the rotating shaft 13 penetrates through two bearings and is fixedly connected with an output shaft of the motor 10, the two bearings are respectively clamped on the left side wall of the screening barrel 12 and the left side wall of the first collecting box 9, the motor 10 is fixedly connected with the left side wall of the first collecting box 9 through a fixing plate 11, the right side fixedly connected with of collecting box 9 is collecting box two 19, and the right-hand member of screening section of thick bamboo 12 passes the left side wall of collecting box two 19 and sets up in collecting box two 19, and its effect lies in: under the transport effect of helical transfer wheel 15 to big, well coal cinder for big, well coal cinder can fall on sieve two 20, the right-hand member fixedly connected with half gear 18 of pivot 13, and the rear side meshing transmission of half gear 18 has rack 17, and rack 17 fixed connection is on the upper surface of sieve two 20, and its effect lies in: through 18 meshing transmission racks 17 of semi-gear, and then make rack 17, coal cinder rebound on two 20 grades of sieve boards of sieve, two 20 and two 19 inner wall sliding connection of collecting box, the equal fixedly connected with telescopic link 22 in bottom four corners department of two 20 sieve boards, the stiff end fixed connection of telescopic link 22 is on two 19 inner wall bottoms of collecting box, play the fixed effect of support through telescopic link 22 to two 20 sieve boards, make two 20 sieve boards reciprocate the in-process and have stability, spring 21 has been cup jointed on the telescopic link 22, spring 21's both ends respectively with two 20 bottom of sieve boards and two 19 inner wall bottom fixed connection of collecting box, its effect lies in: when half gear 18 does not mesh with rack 17, rely on spring 21's pulling force and two 20 self gravities of sieve decline, reciprocating at two 20 reciprocating up-and-down moving in-process of sieve, not only to big, the middlings piece carries out the screening for the third time, make the middlings piece fall into collecting box two 19 through two 20 sieve, two 20 sieve to the screening effect in the colliery in big or middle have still been improved, thereby make this screening equipment can carry out multistage screening processing to the colliery of variation in size, it is effectual to screen, and the device simple structure, and ingenious design, use electrical apparatus less, save the manufacturing cost of this equipment, and the maintenance of being convenient for, satisfy user's user demand.

The discharging pipe 4 is arranged corresponding to the V-shaped sieve plate 3, the upper surface of the partition plate 6 is fixedly connected with a handle 5, after the same batch of coal blocks are screened, the partition plate 6 is pulled out through the handle 5, then the discharging pipe 4 is not blocked, so that the coal blocks in the feeding hopper 1 can be discharged through the discharging pipe 4, the discharging pipe 7 is made of a stainless steel hard pipe material so as to support and fix the feeding hopper 1 and ensure the stability of the feeding hopper 1, the four corners of the bottom of the collecting box I9 are fixedly connected with supporting legs 16, the position of the front side of the collecting box I9 is movably connected with a box door I24 through a hinge I, the front side of the collecting box II 19 is movably connected with a box door II 25 through a hinge II, pull rings are fixedly connected with the front sides of the box door I24 and the box door II 25, and the coal blocks with different sizes in the collecting box I9 and, the work of workers is facilitated, the labor capacity of the workers is reduced, the switch 23 is fixedly mounted on the front face of the first collecting box 9, and the switch 23 is connected with the motor 10 through an electric wire.

The utility model discloses an operating procedure does:

s1, when the coal screening device is needed to be used, firstly, the switch 23 is turned on to enable the motor 10 to work in a power-on mode, the rotation of the motor 10 drives the rotating shaft 13, the spiral conveying wheel 15 and the half gear 18 to rotate, then, the coal briquettes are slowly poured into the feeding hopper 1, the coal briquettes with different sizes are subjected to primary screening treatment through the V-shaped screen plate 3, the larger coal briquettes are left in the feeding hopper 1, the larger coal briquettes, the middle coal briquettes and the smaller coal briquettes fall on the shunting block 2 through the V-shaped screen plate 3, and the screened large coal briquettes, the middle coal briquettes and the small coal briquettes fall into the screening cylinder 12 under the matching of the shunting block 2;

s2, the coal blocks falling into the sieving cylinder 12, the rotating shaft 13 and the spiral transmission wheel 15 convey the large, medium and small coal blocks in the rotating process, the large, medium and small coal blocks are sieved again through the first sieve plate 14, the small coal blocks can fall into the first collecting box 9 through the first sieve plate 14, the coal blocks are classified and collected, the large and medium coal blocks can fall on the second sieve plate 20 under the conveying action of the spiral transmission wheel 15 on the large and medium coal blocks, the half gear 18 is meshed with the transmission rack 17, the rack 17 and the coal blocks on the second sieve plate 20 of the second sieve plate 20 stage are moved upwards, when the half gear 18 is not meshed with the rack 17, the coal blocks descend by the pulling force of the spring 21 and the gravity of the second sieve plate 20, in the reciprocating up-and-down moving process of the second sieve plate 20, the large and medium coal blocks are sieved for the third time, the medium coal blocks can pass through the second sieve plate 20 collecting box 19, the large coal blocks are left on the second sieve plate 20;

s3, finally, after the same batch of coal briquettes are screened, the switch 23 is closed, the partition plate 6 is pulled out through the handle 5, then the discharge pipe 4 is not blocked, the coal briquettes in the feed hopper 1 can be discharged through the discharge pipe 4, and then the box door I24 and the box door II 25 are opened, so that the coal briquettes with different sizes in the collection box I9 and the collection box II 19 can be classified and collected.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a novel multistage screening equipment for coal mine, includes feeder hopper (1), its characterized in that: the feed hopper (1) is internally provided with a V-shaped sieve plate (3) and a shunting block (2) in sequence from top to bottom, the shunting block (2) is fixedly connected with the bottom of the inner wall of the feed hopper (1), the V-shaped sieve plate (3) is fixedly connected with the inner wall of the feed hopper (1), the left side wall and the right side wall of the feed hopper (1) are both provided with a discharging pipe (4), a clapboard (6) is arranged in a chute formed by the side wall of the discharging pipe (4) in a sliding way, the clapboard (6) is lapped with the inner wall of the discharging pipe (4), discharging pipes (7) are arranged on the positions which are partially left and partially right on the bottom of the inner wall of the feed hopper (1), the other ends of the two discharging pipes (7) are communicated with a connecting cylinder (8), the connecting cylinder (8) is fixedly connected in a round hole formed by the side wall of the sieving cylinder (12), and a first fixedly connected with a first, a rotating shaft (13) is arranged in the screening cylinder (12), a spiral conveying wheel (15) is fixedly connected to the rotating shaft (13), the left end of the rotating shaft (13) penetrates through two bearings and is fixedly connected with an output shaft of a motor (10), the two bearings are respectively clamped on the left side wall of the screening cylinder (12) and the left side wall of a first collecting box (9), the motor (10) is fixedly connected with the left side surface of the first collecting box (9) through a fixing plate (11), the right side of the first collecting box (9) is fixedly connected with a second collecting box (19), the right end of the screening cylinder (12) penetrates through the left side wall of the second collecting box (19) and is arranged in the second collecting box (19), a half gear (18) is fixedly connected to the right end of the rotating shaft (13), a rack (17) is meshed and driven at the rear side of the half gear (18), and the rack (17) is fixedly connected to the upper surface of a second sieve plate (20, the inner wall sliding connection of sieve two (20) and collecting box two (19), the equal fixedly connected with telescopic link (22) of bottom four corners department of sieve two (20), the stiff end fixed connection of telescopic link (22) is on the inner wall bottom of collecting box two (19), spring (21) have been cup jointed on telescopic link (22), the both ends of spring (21) respectively with the bottom of sieve two (20) and the inner wall bottom fixed connection of collecting box two (19).

2. The novel multistage screening equipment for coal mines as set forth in claim 1, wherein: discharging pipe (4) correspond V type sieve (3) and set up, the upper surface fixed connection of baffle (6) has handle (5).

3. The novel multistage screening equipment for coal mines as set forth in claim 1, wherein: the blanking pipe (7) is made of stainless steel hard pipe materials.

4. The novel multistage screening equipment for coal mines as set forth in claim 1, wherein: supporting legs (16) are fixedly connected to four corners of the bottom of the first collecting box (9).

5. The novel multistage screening equipment for coal mines as set forth in claim 1, wherein: the front side of the first collecting box (9) is movably connected with a first box door (24) through a first hinge, the front side of the second collecting box (19) is movably connected with a second box door (25) through a second hinge, and pull rings are fixedly connected to the front sides of the first box door (24) and the second box door (25).

6. The novel multistage screening equipment for coal mines as set forth in claim 1, wherein: the front surface of the first collecting box (9) is fixedly provided with a switch (23), and the switch (23) is connected with the motor (10) through an electric wire.