CN210675342U

CN210675342U - Reducing mechanism for coal mining

Info

Publication number: CN210675342U
Application number: CN201921209205.5U
Authority: CN
Inventors: 任四伟; 李鹏; 李兴祥; 高旭
Original assignee: Guizhou Zhilie Technology Co ltd
Current assignee: Guizhou Zhilie Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-05
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a reducing mechanism is adopted in coal mining, which comprises a base, one side of base top outer wall has the screening case through the fix with screw, and the one side inner wall of screening case has the sieve through hinged joint, one side outer wall of screening case has servo motor through the fix with screw, and servo motor's output shaft has the carousel through the coupling joint, the outer wall of carousel has the connecting rod through hinged joint, and the top of connecting rod is articulated mutually with the bottom outer wall of sieve, the top outer wall of screening case has crushing case through the fix with screw, and the bottom inner wall of crushing case has the crushing post of vertical setting through the fix with screw, one side outer wall of crushing case has driving motor through the fix with screw. The utility model discloses guaranteed the colliery and smashed the quality, servo motor can drive the carousel and rotate to realize shaking from top to bottom on the sieve, can effectively prevent that the condition that the buggy from blockking up the sieve from taking place, improved crushing efficiency.

Description

Reducing mechanism for coal mining

Technical Field

The utility model relates to a coal mining technical field especially relates to a reducing mechanism for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into miners and opencast coal mines, and when a coal seam is far from the surface of the ground, coal mining is generally selected to an underground excavation roadway, and the coal mining is the miners.

When the coal seam is very close to the earth surface, a surface soil layer is generally selected to be directly peeled to dig coal, the coal is an open pit coal mine, most coal mines in China belong to underground coal mines, the coal mine range comprises the underground and the large area of related facilities, a crushing device is often needed to be used for crushing coal blocks into coal powder in the coal mining process, the crushing device is often needed to be used, the crushing effect of the existing crushing device is poor, the size of the crushed coal powder is not uniform, and the crushing quality of the coal mines is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crushing device for coal mining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a reducing mechanism for coal mining, includes the base, there is the screening case one side of base top outer wall through the fix with screw, and there is the sieve one side inner wall of screening case through hinged joint, there is servo motor one side outer wall of screening case through the fix with screw, and servo motor's output shaft has the carousel through the coupling joint, there is the connecting rod the outer wall of carousel through hinged joint, and the top of connecting rod is articulated mutually with the bottom outer wall of sieve, the top outer wall of screening case has crushing case through the fix with screw, and the bottom inner wall of crushing case has the crushing post of vertical setting through the fix with screw, one side outer wall of crushing case has driving motor through the fix with screw, and driving motor's output shaft has crushing roller through the coupling joint, crushing roller and crushing post mutually support.

Furthermore, the feed port has been seted up to the top outer wall of smashing the case, and the inner wall that comes in the hole pegs graft and has the feeder hopper, smashes the bottom inner wall of case and has seted up the through-hole, and the through-hole communicates with the screening case mutually.

Further, the outer wall of the bottom of the sieve plate is fixed with a return spring through a screw, and the bottom end of the return spring is connected with the outer wall of the screening box.

Furthermore, a conveying box is fixed on the outer wall of the other side of the screening box through screws, a motor is fixed on the outer wall of the bottom of the conveying box through screws, and an output shaft of the motor is connected with a conveying auger through a coupler.

Furthermore, a material return hole is formed in the top end of the outer wall of one side of the conveying box, a material return pipe is inserted into the inner wall of the material return hole, and the material return pipe is located above the feeding hopper.

Further, the bottom inner wall of screening case has defeated material mechanism through the fix with screw, and defeated material mechanism includes two first bracing pieces and two second bracing pieces, and two relative one side outer walls of first bracing piece are connected with first cylinder through the bearing, and two relative one side outer walls of second bracing piece are connected with the second cylinder through the bearing, and first cylinder and second cylinder pass through the conveyer belt and form the transmission cooperation, and the opposite side of base top outer wall has the receipts silo through the fix with screw.

Further, the four corners department of base bottom outer wall all has a damper cylinder through the fix with screw, and the inner wall sliding connection of damper cylinder has the shock attenuation pole, and damping spring has been cup jointed to the outer wall of shock attenuation pole, and the fix with screw has the backup pad in the bottom of shock attenuation pole.

The utility model has the advantages that:

1. the crushing device for coal mining is provided with the driving motor, the servo motor and the motor, the driving motor can drive the crushing roller to rotate when working, coal briquettes are crushed under the extrusion action of the crushing column when the crushing roller rotates, crushed coal dust falls onto the sieve plate, qualified coal dust falls onto the material conveying mechanism through the sieve plate, larger coal dust slides into the conveying box, the motor works to drive the conveying auger to rotate, the conveying auger is conveyed into the crushing box again to be crushed, the crushing quality of coal mines is ensured, the servo motor can drive the turntable to rotate, so that the sieve plate shakes up and down, the condition that the sieve plate is blocked by the coal dust can be effectively prevented, and the crushing efficiency is improved;

2. this reducing mechanism for coal mining through being provided with damping spring, the device during operation can produce great vibration, and damping spring can play good shock attenuation effect, prevents because the too big damage that causes the device of vibration, has improved the life of device.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a crushing device for coal mining according to the present invention;

FIG. 2 is a perspective view of a sieve plate structure of a crushing device for coal mining according to the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the crushing device for coal mining according to the present invention.

In the figure: 1-base, 2-material conveying mechanism, 3-screening box, 4-servo motor, 5-reset spring, 6-sieve plate, 7-crushing box, 8-crushing roller, 9-crushing column, 10-feed hopper, 11-material return pipe, 12-conveying box, 13-conveying auger, 14-motor, 15-material receiving groove, 16-connecting rod, 17-rotary table, 18-supporting plate, 19-damping spring and 20-damping cylinder.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a crushing apparatus for coal mining comprises a base 1, a screening box 3 fixed to one side of the outer wall of the top of the base 1 by screws, and the inner wall of one side of the screening box 3 is connected with a screen plate 6 through a hinge, the outer wall of one side of the screening box 3 is fixed with a servo motor 4 through a screw, and the output shaft of the servo motor 4 is connected with a rotary table 17 through a coupling, the outer wall of the rotary table 17 is connected with a connecting rod 16 through a hinge, the top end of the connecting rod 16 is hinged with the bottom outer wall of the sieve plate 6, the top outer wall of the sieving box 3 is fixed with the crushing box 7 through a screw, and the inner wall of the bottom of the crushing box 7 is fixed with a vertically arranged crushing column 9 through a screw, the outer wall of one side of the crushing box 7 is fixed with a driving motor through a screw, and the output shaft of the driving motor is connected with a crushing roller 8 through a coupling, and the crushing roller 8 is matched with the crushing column 9.

The utility model discloses in, the feed port has been seted up to the top outer wall of crushing case 7, and the inner wall in coming the hole is pegged graft and is had feeder hopper 10, and the through-hole has been seted up to the bottom inner wall of crushing case 7, and the through-hole is linked together with screening case 3.

The utility model discloses in, the bottom outer wall of sieve 6 has reset spring 5 through the fix with screw, and reset spring 5's bottom is connected with the outer wall of screening case 3.

The utility model discloses in, the opposite side outer wall of screening case 3 has delivery box 12 through the fix with screw, and the bottom outer wall of delivery box 12 has motor 14 through the fix with screw, and motor 14's output shaft has transport auger 13 through the coupling joint.

The utility model discloses in, the feed back hole has been seted up on the top of transport case 12 one side outer wall, and the inner wall in feed back hole is pegged graft and is had feed back pipe 11, and feed back pipe 11 is located the top of feeder hopper 10.

The utility model discloses in, the bottom inner wall of screening case has defeated material mechanism 2 through the fix with screw, and defeated material mechanism includes two first bracing pieces and two second bracing pieces, and two relative one side outer walls of first bracing piece are connected with first cylinder through the bearing, and two relative one side outer walls of second bracing piece are connected with the second cylinder through the bearing, and first cylinder and second cylinder pass through the conveyer belt and form the transmission cooperation, and the opposite side of 1 top outer wall of base has receipts silo 15 through the fix with screw.

The working principle is as follows: during the use, the coal briquette that will carry out the crushing is arranged in feeder hopper 10, driving motor work can drive crushing roller 8 and rotate, coal briquette smashes under the squeezing action of crushing post 9 when crushing roller 8 rotates, the buggy after smashing drops on sieve 6, qualified buggy falls into to defeated material mechanism 2 through sieve 6, great buggy landing is to transport the incasement 12, motor 14 work drives and carries auger 13 and rotate, carry it again and smash to smashing the incasement in 7, the crushing quality in colliery has been guaranteed, servo motor 4 can drive carousel 17 and rotate, thereby realize the shake about sieve 6, can effectively prevent that the circumstances that the buggy from blockking up sieve 6 from taking place.

Example 2

Referring to fig. 3, a reducing mechanism is adopted in coal mining, this embodiment compares in embodiment 1, still includes that the four corners department of base 1 bottom outer wall all has damper cylinder 20 through the fix with screw, and damper cylinder 20's inner wall sliding connection has a shock attenuation pole, and damping spring 19 has been cup jointed to the outer wall of shock attenuation pole, and the fix with screw has backup pad 18 in the bottom of shock attenuation pole.

The device can produce great vibration when working, and damping spring 19 can play good shock attenuation effect, prevents to cause the damage of device because the vibration is too big.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The crushing device for coal mining comprises a base (1) and is characterized in that a screening box (3) is fixed on one side of the top outer wall of the base (1) through screws, a sieve plate (6) is connected on one side of the inner wall of the screening box (3) through a hinge, a servo motor (4) is fixed on one side of the outer wall of the screening box (3) through screws, an output shaft of the servo motor (4) is connected with a rotary plate (17) through a coupler, the outer wall of the rotary plate (17) is connected with a connecting rod (16) through a hinge, the top end of the connecting rod (16) is hinged with the bottom outer wall of the sieve plate (6), a crushing box (7) is fixed on the top outer wall of the screening box (3) through screws, a vertically arranged crushing column (9) is fixed on the bottom inner wall of the crushing box (7) through screws, and a driving motor is fixed on one side of the, and the output shaft of the driving motor is connected with a crushing roller (8) through a coupling, and the crushing roller (8) is matched with the crushing column (9).

2. The crushing device for coal mining according to claim 1, wherein the outer wall of the top of the crushing box (7) is provided with a feeding hole, the inner wall of the feeding hole is inserted with the feed hopper (10), the inner wall of the bottom of the crushing box (7) is provided with a through hole, and the through hole is communicated with the screening box (3).

3. The crushing device for coal mining according to claim 2, wherein the outer wall of the bottom of the sieve plate (6) is fixed with a return spring (5) through a screw, and the bottom end of the return spring (5) is connected with the outer wall of the sieve box (3).

4. The crushing device for coal mining according to claim 3, wherein the conveying box (12) is fixed on the outer wall of the other side of the screening box (3) through screws, a motor (14) is fixed on the outer wall of the bottom of the conveying box (12) through screws, and an output shaft of the motor (14) is connected with a conveying auger (13) through a coupling.

5. The crushing device for coal mining according to claim 4, wherein a material return hole is formed in the top end of the outer wall of one side of the conveying box (12), a material return pipe (11) is inserted into the inner wall of the material return hole, and the material return pipe (11) is located above the feeding hopper (10).

6. A crushing device for coal mining according to claim 5, characterized in that the material conveying mechanism (2) is fixed on the inner bottom wall of the screening box through screws, the material conveying mechanism comprises two first support rods and two second support rods, a first roller is connected to the outer wall of one side, opposite to the two first support rods, of the two first support rods through a bearing, a second roller is connected to the outer wall of one side, opposite to the two second support rods, of the two second support rods through a bearing, the first roller and the second roller form a transmission fit through a conveyor belt, and a material receiving groove (15) is fixed on the other side, opposite to the outer top wall of the base (1), of the base through screws.

7. The crushing device for coal mining according to claim 1, wherein the damping cylinders (20) are fixed at the four corners of the outer wall of the bottom of the base (1) through screws, the damping rods are slidably connected to the inner walls of the damping cylinders (20), the damping springs (19) are sleeved on the outer walls of the damping rods, and the supporting plates (18) are fixed at the bottom ends of the damping rods through screws.