CN213434968U

CN213434968U - Reducing mechanism for coal mine

Info

Publication number: CN213434968U
Application number: CN202021507828.3U
Authority: CN
Inventors: 赵耀强
Original assignee: Tingziyan Coal Mine Co ltd
Current assignee: Tingziyan Coal Mine Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-06-15
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a reducing mechanism for coal mine relates to the colliery and smashes technical field. This reducing mechanism for coal mine, including the feeding frame, communicating pipe is installed to the upper wall of feeding frame, and the upper surface of feeding frame is located the equal fixedly connected with pedestal in the position of communicating pipe left and right sides, and the one side that two pedestals are close to each other all pegs graft and have the rotation axis. This reducing mechanism for coal mine, set up the fly leaf, the montant, a spring, the fly leaf, installation pole and sealed pad, further rotation through the elliptical wheel can make the fly leaf move down, then the spring can make the fly leaf reset, thereby can make sealed pad reciprocate, thereby can block up and open communicating pipe, also can prevent coal cinder spill rubbing crusher simultaneously, thereby solved current coal mine for preventing small fragment spill feeder hopper when smashing, thereby can set up some baffles, however these baffles can influence and add the problem that does not smash the coal mine from the feeder hopper.

Description

Reducing mechanism for coal mine

Technical Field

The utility model relates to a technical field is smashed in the colliery, specifically is a reducing mechanism for coal mine.

Background

After the coal mine is mined from the mine, the volume of some coal mines is large, so that the transportation is inconvenient, and the coal mines need to be crushed to be changed into small coal blocks so as to be convenient for transportation or processing, so that the coal mines need to be crushed by a coal mine crusher.

The existing coal mine is prevented from small fragments from splashing out of the feed hopper when being crushed, so that baffles can be arranged, however, the baffles can influence the coal mine which is not crushed and is added into the feed hopper, and the crushing efficiency of the coal mine is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a reducing mechanism for coal mine has solved the problem mentioned in the above background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a crushing device for coal mines comprises a feeding frame, a communicating pipe is installed on the upper wall of the feeding frame, shaft brackets are fixedly connected to the positions, located on the left side and the right side of the communicating pipe, of the upper surface of the feeding frame, rotating shafts are inserted into the surfaces, located on the left side and the right side of the communicating pipe, of the two shaft brackets, one ends, far away from the shaft brackets, of the rotating shafts are inserted into the outer surfaces of the communicating pipe, elliptical wheels and driving wheels are sleeved on the outer surfaces of each rotating shaft, the two elliptical wheels are located between the two driving wheels, two arc-shaped brackets are fixedly connected to the positions, located on the front side of the communicating pipe, of the upper surface of the feeding frame, a transmission shaft is arranged between the two arc-shaped brackets, two ends of the transmission shaft are inserted into the left side and the right side of the two arc-shaped brackets, belt pulleys are fixedly connected to the ends, located on the, the upper surface of the feeding frame is fixedly connected with a motor between the two arc-shaped frames, an output shaft end of the motor is fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

The position that the upper wall of feeding frame is located the communicating pipe left and right sides is pegged graft and is had the movable rod, and the movable rod is located the inside one end fixedly connected with installation pole of feeding frame, and be provided with sealed the pad between two installation poles, and the sealed surface fixed connection who fills up is in the one end that two installation poles are close to each other, and the movable rod is located the one end fixedly connected with fly leaf of feeding frame top, and peg graft on the upper and lower surface of movable rod has the montant, the one end fixed connection that the montant is located the fly leaf below is on the upper surface of feeding frame, the montant is located the one end fixedly connected with limiting plate of fly leaf top, and the surface that the montant is located fly leaf top one end has cup jointed the spring.

Preferably, the outer surface of the communicating pipe is embedded with a bearing at the position of each rotating shaft, and the bearing is sleeved on the outer surface of the rotating shaft.

Preferably, the upper surface of the sealing gasket is fixedly connected with a rubber gasket, and the diameter of the rubber gasket is equal to the inner diameter of the communicating pipe.

Preferably, the distance between the left and right sides of the elliptical wheel is smaller than the distance between the left and right sides of the movable plate, and the elliptical wheel is located at a position above the movable plate.

Preferably, the second bevel gear has a diameter larger than that of the first bevel gear, and the second bevel gear is located at a position below the first bevel gear.

Preferably, the number of the vertical rods on each movable plate is two, and the two vertical rods are symmetrical by taking the central axis of the movable rod as a symmetry line.

(III) advantageous effects

The utility model provides a reducing mechanism for coal mine. The method has the following beneficial effects:

1. the crushing device for the coal mine is characterized in that a feeding frame and a communicating pipe are arranged, the coal mine can enter a crusher through the communicating pipe and the feeding frame by further passing through a feeding hopper connected with the upper end of the communicating pipe, so that coal blocks can be crushed, then a motor is arranged, a first bevel gear, a second bevel gear and a transmission shaft are further arranged, the second bevel gear can be further driven by the motor to rotate, the transmission shaft can be driven by the first bevel gear to rotate, then a belt pulley, a transmission belt, a transmission wheel, a rotating shaft and an elliptical wheel are arranged, the rotating shaft can be driven by the transmission belt to rotate, the elliptical wheel can be rotated, and meanwhile, the movable plate, a vertical rod, a spring, the movable plate, a mounting rod and a sealing gasket are arranged, the movable plate can be further driven to move downwards by the rotation of the elliptical wheel, then the spring can make the fly leaf reset to can make sealed the pad reciprocate, thereby can block up and open communicating pipe, also can prevent coal cinder spill rubbing crusher simultaneously, thereby solved current colliery for preventing little fragment spill feeder hopper when smashing, thereby can set up some baffles, however these baffles can influence and add the problem that does not smash the colliery from the feeder hopper.

2. This reducing mechanism for coal mine through setting up bearing, rotation axis and communicating pipe, thereby further make rotation axis pivoted more convenient through the bearing, then through setting up rubber pad, installation pole and communicating pipe to more convenient when blockking up communicating pipe, thereby make the device more stable when using.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the feeding frame of the present invention;

FIG. 3 is a schematic view of the internal structure of the feeding frame of the present invention;

fig. 4 is a schematic view of the front view structure of the present invention.

The device comprises a feeding frame 1, a communicating pipe 2, a shaft bracket 3, a rotating shaft 4, an elliptical wheel 5, a driving wheel 6, an arc-shaped bracket 7, a transmission shaft 8, a belt pulley 9, a driving belt 10, a first bevel gear 11, a motor 12, a second bevel gear 13, a movable rod 14, an installation rod 15, a sealing gasket 16, a movable plate 17, a vertical rod 18, a limiting plate 19, a spring 20, a bearing 21 and a rubber gasket 22.

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 coal mine crushing device, as shown in figures 1-4, comprising a feeding frame 1, a communicating pipe 2 is arranged on the upper wall of the feeding frame 1, a feeding hopper is arranged at the upper end of the communicating pipe 2, a crusher is arranged on the lower surface of the feeding frame 1, shaft brackets 3 are fixedly connected at the positions of the upper surface of the feeding frame 1 at the left and right sides of the communicating pipe 2, rotating shafts 4 are inserted at the surfaces of the two shaft brackets 3 close to each other, the rotating shafts 4 can be further supported by the shaft brackets 3, one end of each rotating shaft 4 far away from the shaft brackets 3 is inserted on the outer surface of the communicating pipe 2, an elliptical wheel 5 and a driving wheel 6 are sleeved on the outer surface of each rotating shaft 4, the driving wheel 6 can drive the rotating shaft 4 to rotate, so that the elliptical wheel 5 can rotate, and the two elliptical wheels 5 are arranged at the position between the two driving, the position of the upper surface of the feeding frame 1, which is positioned at the front side of the communicating pipe 2, is fixedly connected with two arc-shaped frames 7, a transmission shaft 8 is arranged between the two arc-shaped frames 7, two ends of the transmission shaft 8 are inserted on the left and right side surfaces of the two arc-shaped frames 7, one ends of the transmission shaft 8, which are positioned at two sides of the two arc-shaped frames 7, are fixedly connected with belt pulleys 9, the transmission wheel 6 is rotatably connected with the belt pulleys 9 through a transmission belt 10, the belt pulleys 9 can be rotated by the rotation of the transmission shaft 8, so that the transmission wheel 6 can be rotated under the driving of the transmission belt 10, a first bevel gear 11 is sleeved on the outer surface of the transmission shaft 8, which is positioned between the two arc-shaped frames 7, a motor 12 is fixedly connected at the position of the upper surface of the feeding frame 1, which is positioned between, the second bevel gear 13 is rotated by the motor 12, so that the first bevel gear 11 is rotated.

The upper wall of the feeding frame 1 is inserted with movable rods 14 at the left and right sides of the communicating pipe 2, one end of each movable rod 14 inside the feeding frame 1 is fixedly connected with a mounting rod 15, a sealing gasket 16 is arranged between the two mounting rods 15, the sealing gasket 16 can be supported by the mounting rods 15, the outer surface of the sealing gasket 16 is fixedly connected with one end of each mounting rod 15, the end of each movable rod 14 above the feeding frame 1 is fixedly connected with a movable plate 17, the movable plate 17 can move downwards when the elliptical wheel 5 rotates, vertical rods 18 are inserted on the upper and lower surfaces of the movable rods 14, one ends of the vertical rods 18 below the movable plate 17 are fixedly connected on the upper surface of the feeding frame 1, one ends of the vertical rods 18 above the movable plate 17 are fixedly connected with a limiting plate 19, and springs 20 are sleeved on the outer surfaces of the vertical rods 18 above the movable plate 17, through the arrangement of the spring 20, it is more convenient when the movable plate 17 is reset, two ends of the spring 20 are fixedly connected to the upper surface of the movable plate 17 and the lower surface of the limiting plate 19, the position of the outer surface of the communication pipe 2, which is located at each rotating shaft 4, is embedded with the bearing 21, the bearing 21 is sleeved on the outer surface of the rotating shaft 4, so that the rotating shaft 4 is more convenient when rotating, the upper surface of the sealing gasket 16 is fixedly connected with the rubber gasket 22, the diameter of the rubber gasket 22 is equal to the inner diameter of the communication pipe 2, further, the sealing gasket 16 can be protected through the rubber gasket 22, the distance between the left side and the right side of the elliptical wheel 5 is smaller than the distance between the left side and the right side of the movable plate 17, the elliptical wheel 5 is located at the position above the movable plate 17, the movable plate 17 can be moved downwards, and the second bevel gear 13 is located below the first bevel gear 11, the first bevel gear 11 can be driven to rotate by the second bevel gear 13, the number of the vertical bars 18 located on each movable plate 17 is two, the two vertical bars 18 are symmetrical by taking the central axis of the movable rod 14 as a symmetry line, and the movable plates 17 can be supported by the vertical bars 18.

The working principle is as follows: when reducing mechanism for coal mine, the feeder hopper of connecting through the upper end of communicating pipe 2, thereby make the coal mine can enter into the rubbing crusher through communicating pipe 2 and feeding frame 1, thereby can smash the coal cinder, then drive through motor 12 can make second bevel gear 13 rotate, thereby transmission shaft 8 can rotate under first bevel gear 11's drive, then drive through drive belt 10 can make rotation axis 4 rotate, then can make elliptical wheel 5 rotate, simultaneously can make fly leaf 17 move down through elliptical wheel 5's rotation, then spring 20 can make fly leaf 17 reset, thereby can make sealed pad 16 reciprocate, thereby can block up and open communicating pipe 2, also can prevent the coal cinder spill rubbing crusher simultaneously.

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 reducing mechanism for coal mine, includes feeding frame (1), its characterized in that: communicating pipe (2) is installed on the upper wall of feeding frame (1), the upper surface of feeding frame (1) is located the equal fixedly connected with pedestal (3) in position of the communicating pipe (2) left and right sides, and the one side that two pedestals (3) are close to each other all pegs graft and have rotation axis (4), the one end that pedestal (3) were kept away from to rotation axis (4) is pegged graft on the surface of communicating pipe (2), and elliptical wheel (5) and drive wheel (6) have all been cup jointed to the surface of every rotation axis (4), and two elliptical wheel (5) are located the position between two drive wheel (6), the upper surface of feeding frame (1) is located two arc frame (7) of position fixedly connected with of communicating pipe (2) front side, and be provided with transmission shaft (8) between two arc frame (7), the both ends of transmission shaft (8) are pegged graft on the left and right sides of two arc frame (7), and the one end that transmission shaft (8) is located two arc frame (7) both sides all fixedly connected with belt pulley ( The transmission wheel (6) is rotatably connected with the belt pulley (9) through a transmission belt (10), a first bevel gear (11) is sleeved on the outer surface of the transmission shaft (8) between the two arc-shaped frames (7), a motor (12) is fixedly connected to the position, between the two arc-shaped frames (7), of the upper surface of the feeding frame (1), a second bevel gear (13) is fixedly connected to the output shaft end of the motor (12), and the first bevel gear (11) is meshed with the second bevel gear (13);

the upper wall of the feeding frame (1) is provided with movable rods (14) in an inserting manner at positions on the left side and the right side of the communicating pipe (2), one ends of the movable rods (14) positioned in the feeding frame (1) are fixedly connected with mounting rods (15), a sealing gasket (16) is arranged between the two mounting rods (15), the outer surface of the sealing gasket (16) is fixedly connected with one ends of the two mounting rods (15) close to each other, one ends of the movable rods (14) positioned above the feeding frame (1) are fixedly connected with movable plates (17), vertical rods (18) are inserted on the upper surface and the lower surface of the movable rods (14), one ends of the vertical rods (18) positioned below the movable plates (17) are fixedly connected on the upper surface of the feeding frame (1), one ends of the vertical rods (18) positioned above the movable plates (17) are fixedly connected with limiting plates (19), and springs (20) are sleeved on the outer surfaces of the vertical rods (18, and two ends of the spring (20) are fixedly connected to the upper surface of the movable plate (17) and the lower surface of the limiting plate (19).

2. A coal mine crushing apparatus according to claim 1, wherein: the outer surface of the communicating pipe (2) is embedded with a bearing (21) at the position of each rotating shaft (4), and the bearing (21) is sleeved on the outer surface of the rotating shaft (4).

3. A coal mine crushing apparatus according to claim 1, wherein: the upper surface of the sealing gasket (16) is fixedly connected with a rubber gasket (22), and the diameter of the rubber gasket (22) is equal to the inner diameter of the communicating pipe (2).

4. A coal mine crushing apparatus according to claim 1, wherein: the distance between the left and the right of the elliptical wheel (5) is smaller than the distance between the left and the right of the movable plate (17), and the elliptical wheel (5) is positioned above the movable plate (17).

5. A coal mine crushing apparatus according to claim 1, wherein: the diameter of the second bevel gear (13) is larger than that of the first bevel gear (11), and the second bevel gear (13) is located at a position below the first bevel gear (11).

6. A coal mine crushing apparatus according to claim 1, wherein: the number of the vertical rods (18) on each movable plate (17) is two, and the two vertical rods (18) are symmetrical by taking the central axis of the movable rod (14) as a symmetrical line.