CN210614308U

CN210614308U - Sieving mechanism for coal mining

Info

Publication number: CN210614308U
Application number: CN201921231662.4U
Authority: CN
Inventors: 郑永超; 雷中华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-26
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a sieving mechanism for coal mining relates to the mining machinery field. This sieving mechanism is adopted in coal mining, including two adapting rods, be provided with two slide bars between two adapting rods, the left end of two slide bars with be located left adapting rod fixed connection, the fixed inside of pegging graft at the adapting rod that is located the right side of the right-hand member of two slide bars, be provided with the screening frame between two adapting rods, the screening frame be located between two slide bars and with two slide bar sliding connection, the left surface of screening frame with be located left adapting rod between be provided with the spring, the both ends of spring respectively with be located left adapting rod and screening frame fixed connection. This sieving mechanism for coal mining through setting up sheave, filter frame and briquetting, has reached the effect that the easy colliery granule of blockking up of broken screening, and it is relatively lower to have solved prior art's sieving mechanism screening efficiency, and the degree of consistency is not enough to there is often colliery granule to block up the problem that the screen cloth export leads to the process slow.

Description

Sieving mechanism for coal mining

Technical Field

The utility model relates to a mining machinery technical field specifically is a sieving mechanism is adopted in coal mining.

Background

Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. 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.

At present, the coal mine is wide in application range in China, the coal mine is large in demand, in the coal powder processing, the screening efficiency of the screening device in the prior art is relatively low, the uniformity is insufficient, and the coal mine screening device in the prior art often has the problem that the coal mine particles block the screen outlet to cause the slow processing process.

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 sieving mechanism is adopted in coal mining, it is relatively lower to have solved prior art's sieving mechanism screening efficiency, and the degree of consistency is not enough to there is often colliery granule to block up the problem that the screen cloth export leads to the process progress slow.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a screening device for coal mining comprises two bearing rods, two sliding rods are arranged between the two bearing rods, the left ends of the two sliding rods are fixedly connected with the bearing rod on the left side, the right ends of the two sliding rods are fixedly inserted in the bearing rod on the right side, a screening frame is arranged between the two bearing rods, the screening frame is positioned between the two sliding rods and is in sliding connection with the two sliding rods, a spring is arranged between the left side surface of the screening frame and the bearing rod on the left side, two ends of the spring are respectively fixedly connected with the bearing rod on the left side and the screening frame, the upper surfaces of the two bearing rods are respectively and fixedly connected with two vertical rods, a pressing block is arranged between the two vertical rods on the left side and the right side, the pressing block is respectively and slidably connected with the four vertical rods, the bottom surfaces of the two bearing rods are respectively and fixedly, the one end fixedly connected with motor that the backup pad was kept away from to the horizontal pole, the fixed sheave and first bevel gear that has cup jointed of main shaft of motor, first bevel gear is located the top of sheave, first bevel gear's top meshing has second bevel gear, second bevel gear is located the top of horizontal pole and rotates rather than being connected, second bevel gear's the first pulley of positive fixedly connected with, the right side front fixedly connected with rack of briquetting, the right flank meshing of rack has half tooth device, half tooth device is located the top of horizontal pole and rotates rather than being connected, first pulley is connected with half tooth device transmission, the right side fixedly connected with ejector pin of screening frame, the one end that the screening frame was kept away from to the ejector pin runs through and contacts with the sheave behind the receiving rod that is located.

Preferably, a collecting device is arranged between the two supporting plates and below the screening frame, and the left end and the right end of the collecting device are fixedly connected with the two supporting plates respectively.

Preferably, the half-tooth device comprises a half gear and a second belt wheel, the second belt wheel is fixedly mounted on the back surface of the half gear, and the first belt wheel is in transmission connection with the second belt wheel through a belt.

Preferably, the grooved wheel is of a circumferential surface groove structure, and one end of the ejector rod, which is in contact with the grooved wheel, is of a semicircular structure.

Preferably, the bottom surface of the pressing block is of a boss structure, and the boss structure is located inside the screening frame.

Preferably, the number of the springs is two, and the two springs are arranged in bilateral symmetry with the transverse center line of the bearing rod.

(III) advantageous effects

The utility model provides a sieving mechanism is adopted in coal mining. The method has the following beneficial effects:

1. this sieving mechanism for coal mining, through setting up the sheave, the ejector pin, screening frame and briquetting, it is rotatory to drive the sheave in the motor pivoted, the sheave begins to extrude the ejector pin this moment, the screening frame receives the power of ejector pin and begins to remove about, the spring compresses repeatedly this moment, the screening frame can be sifted at a small margin high speed on the slide bar, the colliery granule that is located the inside of screening frame begins to be screened, it is rotatory to drive the pinion when the motor rotates, it reciprocates to begin to drive the briquetting when the pinion is rotatory, the colliery granule that is located the easy jam of the inside large granule of screening frame begins to be extruded, the effect of the easy jam colliery granule of broken screening has been reached, it is relatively lower to have solved prior art's screening efficiency, the degree of consistency is not enough, and there is often colliery granule.

2. This sieving mechanism for coal mining can make broken and the colliery granule after the screening collected through setting up collection device, and the later stage operation of being convenient for through the briquetting that sets up the boss structure, can make the better inside of inserting into the screening frame of briquetting, has reached the effect of screening and collecting the colliery granule, has solved the colliery sieving mechanism of prior art and has not been convenient for screen the problem of back collection.

Drawings

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

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

FIG. 3 is a schematic view of the connection between the screening frame and the support rod of the present invention;

fig. 4 is a schematic view of the connection between the motor and the half gear of the present invention.

Wherein, 1 bearing rod, 2 sliding rods, 3 screening frames, 4 springs, 5 vertical rods, 6 pressing blocks, 7 supporting plates, 8 transverse rods, 9 motors, 10 grooved wheels, 11 first bevel gears, 12 second bevel gears, 13 first belt wheels, 14 racks, 15 half-tooth devices, 151 half gears, 152 second belt wheels, 16 ejector rods, 17 collecting devices and 18 belts.

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.

The embodiment of the utility model provides a screening device for coal mining, as shown in figures 1-4, comprising two adapting rods 1, two slide bars 2 are arranged between the two adapting rods 1, the left ends of the two slide bars 2 are fixedly connected with the adapting rod 1 positioned at the left side, the right ends of the two slide bars 2 are fixedly inserted in the adapting rod 1 positioned at the right side, a screening frame 3 is arranged between the two adapting rods 1, the screening frame 3 is positioned between the two slide bars 2 and is slidably connected with the two slide bars 2, a spring 4 is arranged between the left side surface of the screening frame 3 and the adapting rod 1 positioned at the left side, the two ends of the spring 4 are respectively fixedly connected with the adapting rod 1 positioned at the left side and the screening frame 3, the number of the springs 4 is two, the two springs 4 are arranged in bilateral symmetry with the transverse central line of the adapting rod 1, the upper surfaces of the two adapting rods 1 are, a pressing block 6 is arranged between the two vertical rods 5 positioned on the left side and the right side, the bottom surface of the pressing block 6 is of a boss structure, the boss structure is positioned inside the screening frame 3, the pressing block 6 of the boss structure is matched with the screening frame 3, the pressing block 6 is respectively connected with the four vertical rods 5 in a sliding manner, the bottom surfaces of the two carrying rods 1 are both fixedly connected with supporting plates 7, a collecting device 17 is arranged between the two supporting plates 7 and positioned below the screening frame 3, the left end and the right end of the collecting device 17 are respectively fixedly connected with the two supporting plates 7, the collecting device 17 can collect crushed and screened coal mine particles and is convenient for later operation, the right side surface of the supporting plate 7 positioned on the right side is fixedly connected with a cross rod 8, one end of the cross rod 8, far away from the supporting plate 7, is fixedly connected with a motor 9, the first bevel gear 11 is positioned above the grooved pulley 10, the second bevel gear 12 is meshed above the first bevel gear 11, the second bevel gear 12 is positioned above the cross bar 8 and is in rotary connection with the cross bar 8, a support is sleeved on a rotating shaft of the second bevel gear 12, the lower end of the support is fixedly connected with the cross bar 8, the front surface of the second bevel gear 12 is fixedly connected with the first belt pulley 13, a rack 14 is fixedly connected with the front part of the right side surface of the pressing block 6, a half-tooth device 15 is meshed on the right side surface of the rack 14, the half-tooth device 15 is positioned above the cross bar 8 and is in rotary connection with the cross bar, a wheel carrier is sleeved on the rotating shaft of the half-tooth device 15, the lower end of the wheel carrier is fixedly connected with the cross bar 8, the first belt pulley 13 is in transmission connection with the half-tooth device 15, the half-tooth device 15 comprises a half gear 151 and a second belt pulley 152, the right side surface of the screening frame 3 is fixedly connected with an ejector rod 16, one end of the ejector rod 16, which is in contact with the grooved pulley 10, is of a semicircular structure, the ejector rod 16 is matched with the grooved pulley 10, the right end of the ejector rod 16 is inserted into a groove of the grooved pulley 10, and one end, which is far away from the screening frame 3, of the ejector rod 16 penetrates through the carrying rod 1 on the right side and then is in contact with the grooved pulley 10.

The theory of operation, it is rotatory to drive sheave 10 when motor 9 rotates, sheave 10 begins to extrude ejector pin 16 this moment, screening frame 3 receives the power of ejector pin 16 and begins to remove about, spring 4 compresses repeatedly this moment, screening frame 3 can be on slide bar 2 high-speed sieve of small amplitude, the colliery granule that is located screening frame 3 inside begins to be filtered, motor 9 drives first bevel gear 11 rotatory when rotating, first bevel gear 11 drives second bevel gear 12 rotatory, second bevel gear 12 drives first band pulley 13 rotatory, first band pulley 13 drives second band pulley 152 rotatory, second band pulley 152 drives the rotation of half gear 151, it reciprocates to begin to drive briquetting 6 when half gear 151 is rotatory, the colliery granule that is located the easy jam of the large granule of screening frame 3 inside begins to be extruded.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sieving mechanism for coal mining, includes two adapting rod (1), its characterized in that: two sliding rods (2) are arranged between the two bearing rods (1), the left ends of the two sliding rods (2) are fixedly connected with the bearing rod (1) positioned on the left side, the right ends of the two sliding rods (2) are fixedly inserted in the bearing rod (1) positioned on the right side, a screening frame (3) is arranged between the two bearing rods (1), the screening frame (3) is positioned between the two sliding rods (2) and is in sliding connection with the two sliding rods (2), a spring (4) is arranged between the left side surface of the screening frame (3) and the bearing rod (1) positioned on the left side, two ends of the spring (4) are respectively and fixedly connected with the bearing rod (1) positioned on the left side and the screening frame (3), two vertical rods (5) are fixedly connected with the upper surfaces of the two bearing rods (1), a pressing block (6) is arranged between the two vertical rods (5) positioned on the left side and the right side, and the pressing block (, the bottom surfaces of the two bearing rods (1) are fixedly connected with supporting plates (7), the right side surface of the supporting plate (7) positioned on the right side is fixedly connected with a cross rod (8), one end, far away from the supporting plate (7), of the cross rod (8) is fixedly connected with a motor (9), a grooved pulley (10) and a first bevel gear (11) are fixedly sleeved on a main shaft of the motor (9), the first bevel gear (11) is positioned above the grooved pulley (10), a second bevel gear (12) is meshed above the first bevel gear (11), the second bevel gear (12) is positioned above the cross rod (8) and is rotatably connected with the cross rod, a first belt pulley (13) is fixedly connected to the front surface of the second bevel gear (12), a rack (14) is fixedly connected to the front surface of the right side surface of the pressing block (6), a half-tooth device (15) is meshed to the right side surface of the rack (14), and the half, the first belt wheel (13) is in transmission connection with the half-tooth device (15), the right side surface of the screening frame (3) is fixedly connected with an ejector rod (16), and one end, far away from the screening frame (3), of the ejector rod (16) penetrates through the bearing rod (1) on the right side and then is in contact with the grooved wheel (10).

2. The screening apparatus for coal mining according to claim 1, wherein: a collecting device (17) is arranged between the two supporting plates (7) and below the screening frame (3), and the left end and the right end of the collecting device (17) are fixedly connected with the two supporting plates (7) respectively.

3. The screening apparatus for coal mining according to claim 1, wherein: the half-tooth device (15) comprises a half gear (151) and a second belt wheel (152), the second belt wheel (152) is fixedly installed on the back face of the half gear (151), and the first belt wheel (13) is in transmission connection with the second belt wheel (152) through a belt (18).

4. The screening apparatus for coal mining according to claim 1, wherein: the grooved pulley (10) is of a circumferential surface groove structure, and one end of the ejector rod (16) in contact with the grooved pulley (10) is of a semicircular structure.

5. The screening apparatus for coal mining according to claim 1, wherein: the bottom surface of the pressing block (6) is of a boss structure, and the boss structure is located inside the screening frame (3).

6. The screening apparatus for coal mining according to claim 1, wherein: the number of the springs (4) is two, and the two springs (4) are arranged in bilateral symmetry with the transverse center line of the bearing rod (1).