CN216827057U

CN216827057U - A sieving mechanism for colliery

Info

Publication number: CN216827057U
Application number: CN202122954758.7U
Authority: CN
Inventors: 陆雨婷
Original assignee: Fugu Yifeng Coal Mine Co ltd
Current assignee: Fugu Yifeng Coal Mine Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-28
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a screening device for a coal mine, which comprises a fixed seat and a material guiding frame, wherein a screen is arranged at the bottom of the material guiding frame, a first fixed shaft and a second fixed shaft are respectively and fixedly arranged on two sides of the lower end of the material guiding frame, the first fixed shaft and the second fixed shaft are uniformly and rotatably connected through the fixed seat, a first connecting rod is fixedly connected to the outer side of the first fixed shaft, third fixed shafts are respectively and fixedly arranged on two sides of the middle of the material guiding frame, and a disc is fixedly arranged on the outer side of the second fixed shaft. When the screen is blocked, the first motor drives the gear to rotate, the gear drives the disc to rotate through the teeth meshed with the surface of the gear, the disc drives the second connecting rod to rotate, the first connecting rod rotates along with the disc to deflect the material guiding frame angularly, so that the material guiding frame is turned over, and meanwhile, the third motor drives the cam to rotate to vibrate the material guiding frame, so that coal blocks clamped in the screen are cleaned in time.

Description

A sieving mechanism for colliery

Technical Field

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

Background

Coal is the most predominant solid fuel, one of the combustible 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. In the geologic periods of the world, most coal is produced in the stratums of the stone charm, the pilaster, the Jurassic and the third era, which is an important coal-forming era. The carbon content of the coal is generally 46-97%, and the coal is brown to black and has dull to metallic luster. According to the degree of coalification, coal can be classified into peat, lignite, bituminous coal and anthracite.

The coal mine needs to be screened after being processed, and most of the existing screening devices can block the screen, so that the mining efficiency of the coal mine is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a screening device for a coal mine.

In order to achieve the purpose, the utility model provides the following technical scheme: a screening device for a coal mine comprises a fixed seat and a material guide frame, wherein a screen is arranged at the bottom of the material guide frame, a first fixed shaft and a second fixed shaft are respectively and fixedly arranged on two sides of the lower end of the material guide frame, the first fixed shaft and the second fixed shaft are uniformly and rotatably connected through the fixed seat, a first connecting rod is fixedly connected to the outer side of the first fixed shaft, a third fixed shaft is fixedly arranged on two sides of the middle of the material guide frame, a disc is fixedly arranged on the outer side of the second fixed shaft, a base is fixedly arranged on one side of the fixed seat, a first fixed frame is fixedly arranged on the upper side of the base, a first motor is fixedly arranged on the upper side of the first fixed frame, a gear is fixedly arranged at the output end of the first motor, teeth meshed with the gear are fixedly connected to the outer side of the disc, a second connecting rod is fixedly connected to one side of the disc, the end parts of the first connecting rod and the second connecting rod are respectively and rotatably connected with third fixed shafts fixedly connected with the two sides of the material guide frame.

Preferably, a partition plate is fixedly mounted inside the fixing seat, and the lower end of the material guide frame passes over the partition plate.

Preferably, a second motor is fixedly mounted on the outer side of the fixing seat, a first conveying shaft is fixedly mounted at the output end of the second motor, a second conveying shaft is rotatably connected inside the fixing seat, and a conveying belt is connected between the first conveying shaft and the second conveying shaft in a transmission mode.

Preferably, one side fixed mounting of fixing base has branch, fixedly connected with scraper blade between two branches, the one end of scraper blade contacts with the surface of conveyer belt.

Preferably, a cushion block is fixedly mounted on the lower side of the fixed seat.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the screen is blocked, the first motor drives the gear to rotate, the gear drives the disc to rotate through the teeth meshed with the surface of the gear, the disc drives the second connecting rod to rotate, meanwhile, the first connecting rod rotates to deflect the material guiding frame in an angle, so that the material guiding frame is turned over, and meanwhile, the third motor drives the cam to rotate to vibrate the material guiding frame, so that coal blocks clamped in the screen are cleaned in time.

2. According to the utility model, the first conveying shaft is driven to rotate by the second motor, the first conveying shaft is matched with the second conveying shaft to move the conveying belt, the screened coal blocks are conveyed out, the larger coal blocks slide to the other side of the partition plate, and the scraper plate is arranged on one side of the fixed seat, so that the coal blocks attached to the surface of the conveying belt can be timely cleaned, and the conveying effect is ensured.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of a second embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a cross section of the present invention.

In the figure: the device comprises a fixed seat 1, a guide frame 2, a screen 3, a third fixed shaft 4, a first connecting rod 5, a first fixed shaft 6, a second fixed shaft 7, a disc 8, a tooth 9, a second connecting rod 10, a base 11, a first fixed frame 12, a first motor 13, a gear 14, a cushion block 15, a support rod 16, a scraper 17, a second motor 18, a first conveying shaft 19, a second conveying shaft 20, a conveying belt 21, a partition plate 22, a second fixed frame 23, a third motor 24 and a cam 25.

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 screening device for a coal mine comprises a fixed seat 1 and a material guiding frame 2, wherein a screen 3 is arranged at the bottom of the material guiding frame 2, a first fixed shaft 6 and a second fixed shaft 7 are respectively fixedly arranged at two sides of the lower end of the material guiding frame 2, the first fixed shaft 6 and the second fixed shaft 7 are uniformly and rotatably connected with the fixed seat 1, a first connecting rod 5 is fixedly connected with the outer side of the first fixed shaft 6, a third fixed shaft 4 is fixedly arranged at two sides of the middle of the material guiding frame 2, a disc 8 is fixedly arranged at the outer side of the second fixed shaft 7, a base 11 is fixedly arranged at one side of the fixed seat 1, a first fixed frame 12 is fixedly arranged at the upper side of the base 11, a first motor 13 is fixedly arranged at the upper side of the first fixed frame 12, a gear 14 is fixedly arranged at the output end of the first motor 13, teeth 9 meshed with the gear 14 are fixedly connected at the outer side of the disc 8, a second connecting rod 10 is fixedly connected to one side of the disc 8, the end portions of the first connecting rod 5 and the second connecting rod 10 are respectively rotatably connected with third fixing shafts 4 fixedly connected to two sides of the material guiding frame 2, a partition plate 22 is fixedly installed inside the fixing seat 1, the lower end of the material guiding frame 2 passes over the partition plate 22, and a cushion block 15 is fixedly installed on the lower side of the fixing seat 1;

Firstly, coal briquettes to be screened are put into the material guide frame 2 from the upper end, the coal briquettes are screened through the screen cloth 3 in the material guide frame 2, when the screen cloth is blocked, the coal briquettes are stopped from being put into the material guide frame, then the gear 14 is driven to rotate through the first motor 13, the gear 14 drives the disc 8 to rotate through the teeth 9 meshed with the surface of the gear 14, the disc 8 drives the second connecting rod 10 to rotate, meanwhile, the first connecting rod 5 also rotates, the material guide frame 2 deflects the angle, the material guide frame 2 is overturned, meanwhile, the third motor 24 drives the cam 25 to rotate, the material guide frame 2 is vibrated, and the coal briquettes clamped in the screen cloth 3 are timely cleaned under the action of gravity and vibration.

The outside fixed mounting of fixing base 1 has second motor 18, the output fixed mounting of second motor 18 has first transport axle 19, the inside of fixing base 1 is rotated and is connected with the second and carries axle 20, the transmission is connected with conveyer belt 21 between first transport axle 19 and the second transport axle 20, it rotates to drive first transport axle 19 through second motor 18, first transport axle 19 cooperation second is carried axle 20 and is removed conveyer belt 21, carry away the coal cinder after the screening, then the opposite side of landing to baffle 22 is then gone to great coal cinder.

Bottom fixed mounting of guide frame 2 has second mount 23, one side fixed mounting of second mount 23 has third motor 24, the output fixed mounting of third motor 24 has cam 25, third motor 24 drives cam 25 and rotates, can avoid screen cloth 3 to appear blockking up effectively, one side fixed mounting of fixing base 1 has branch 16, fixedly connected with scraper blade 17 between two branch 16, the one end of scraper blade 17 contacts with conveyer belt 21's surface, through set up scraper blade 17 in one side of fixing base 1, can in time clear up down conveyer belt 21 surface-adhered coal cinder, guarantee to carry the effect.

In conclusion: when the screening device for the coal mine is used, firstly, coal blocks to be screened are put in from the upper end of a material guide frame 2, screening is carried out through a screen 3 in the material guide frame 2, when the screen is blocked, the coal blocks are stopped to be put in, then a first motor 13 drives a gear 14 to rotate, the gear 14 drives a disc 8 to rotate through teeth 9 meshed with the surface of the gear, the disc 8 drives a second connecting rod 10 to rotate, meanwhile, the first connecting rod 5 rotates along with the rotation of the first connecting rod to angularly deflect the material guide frame 2, so that the material guide frame 2 turns over, meanwhile, a third motor 24 drives a cam 25 to rotate, so as to vibrate the material guide frame 2, so that the coal blocks clamped in the screen 3 are timely cleaned under the action of gravity and vibration, a first conveying shaft 19 is driven to rotate through a second motor 18, the first conveying shaft 19 is matched with a second conveying shaft 20 to move a conveying belt 21, and the screened coal blocks are conveyed out, great coal cinder then landing to the opposite side of baffle 22, through set up scraper blade 17 in one side of fixing base 1, can in time clear up down the coal cinder that 21 surfaces of conveyer belt are adnexed, guarantee to carry the effect, all consumer all supply power through external power source in this scheme.

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 utility model provides a sieving mechanism for colliery, includes fixing base (1) and guide frame (2), its characterized in that: the sieve is characterized in that a screen (3) is arranged at the bottom of the guide frame (2), a first fixing shaft (6) and a second fixing shaft (7) are respectively and fixedly arranged at two sides of the lower end of the guide frame (2), the first fixing shaft (6) and the second fixing shaft (7) are rotatably connected with the fixing base (1), a first connecting rod (5) is fixedly connected to the outer side of the first fixing shaft (6), a third fixing shaft (4) is fixedly arranged at two sides of the middle of the guide frame (2), a disc (8) is fixedly arranged at the outer side of the second fixing shaft (7), a base (11) is fixedly arranged at one side of the fixing base (1), a first fixing frame (12) is fixedly arranged at the upper side of the base (11), a first motor (13) is fixedly arranged at the upper side of the first fixing frame (12), and a gear (14) is fixedly arranged at the output end of the first motor (13), the outer side of the disc (8) is fixedly connected with teeth (9) meshed with the gear (14), one side of the disc (8) is fixedly connected with a second connecting rod (10), and the end parts of the first connecting rod (5) and the second connecting rod (10) are respectively connected with third fixing shafts (4) fixedly connected with the two sides of the material guide frame (2) in a rotating mode.

2. A screening apparatus for a coal mine according to claim 1 wherein: the inside fixed mounting of fixing base (1) has baffle (22), and the lower extreme of guide frame (2) crosses the top of baffle (22).

3. A screening apparatus for a coal mine according to claim 1 wherein: the outside fixed mounting of fixing base (1) has second motor (18), the output fixed mounting of second motor (18) has first transport axle (19), the inside rotation of fixing base (1) is connected with the second and carries axle (20), the transmission is connected with conveyer belt (21) between first transport axle (19) and second transport axle (20).

4. A screening apparatus for a coal mine according to claim 1 wherein: the bottom fixed mounting of guide frame (2) has second mount (23), one side fixed mounting of second mount (23) has third motor (24), the output fixed mounting of third motor (24) has cam (25).

5. A screening apparatus for a coal mine according to claim 3 wherein: one side fixed mounting of fixing base (1) has branch (16), fixedly connected with scraper blade (17) between two branch (16), the one end of scraper blade (17) contacts with the surface of conveyer belt (21).

6. A screening apparatus for a coal mine according to claim 1 wherein: the lower side of the fixed seat (1) is fixedly provided with a cushion block (15).