Auxiliary screening equipment for coal mine belt conveying

Abstract

The utility model relates to the technical field of coal mine conveying, in particular to auxiliary screening equipment for coal mine belt conveying, which comprises supporting plates and a conveying belt, the surfaces of the supporting plates on two sides are slidably connected with the surface of the conveying belt, and the surfaces of the supporting plates on two sides are rotatably connected with two ends of a driven wheel through bearings. According to the auxiliary screening equipment for coal mine belt conveying, through cooperation of the screening device and the conveying belt, a push plate can push coal briquettes, with the surface height higher than that of the push plate, of the conveying belt to the surface of a second inclined plate, so that the second inclined plate can convey the large coal briquettes, and the conveying belt can convey the large coal briquettes; and meanwhile, an output shaft of a second motor is started to rotate reversely, a push plate returns to the original position, next pushing is conducted, the situation that part of coal briquettes are not sorted can be reduced through slow rotation of the conveying belt, large coal briquettes are screened in a pushing mode, the situation that materials are stuck is reduced, and the sorting effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine transportation, in particular to auxiliary screening equipment for coal mine belt transportation. Background Art

[0002] Belt conveyors have become one of the main transportation equipment for underground transportation in my country's coal mines due to their large transportation capacity, long transportation distance, high efficiency, continuous transportation, safe operation, and low noise. The application of belt conveyors in my country's coal mines has experienced a development process from general to special, small to large, and single machine to complete set.

[0003] For example, an auxiliary screening device for coal mine belt conveyor with the authorization announcement number "CN219585085U" sorts and processes the larger coal blocks in the coal mine through the sorting components, and then discharges the sorted large coal blocks through the discharge rack, thereby realizing the screening of coal slag and the sorting of large coal blocks during coal mine transportation. However, the device sorts large coal blocks through multiple sets of fork structures. When the gaps between the fork structures cause the coal blocks to get stuck between the fork structures, the device cannot continue to sort the large coal blocks. At the same time, after getting stuck, it will block the subsequent coal blocks transported, resulting in accumulation on the conveyor belt surface, resulting in poor sorting effect of the device. At the same time, the device is not convenient for clearing the sorted coal blocks when transporting them, so that when the device slides on the inclined plate structure surface, there will be a blockage, resulting in poor material discharge effect of the device. Utility Model Content

[0004] The utility model aims to solve the problem of poor sorting effect and poor material feeding effect of the device, and proposes an auxiliary screening device for coal mine belt conveyor.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An auxiliary screening device for coal mine belt conveyor is designed, including a support plate and a conveyor belt. The surfaces of the support plates on both sides are slidingly connected to the surfaces of the conveyor belts, the surfaces of the support plates on both sides are rotationally connected to the two ends of the driven wheels through bearings, the surfaces of the support plates on both sides are rotationally connected to the driving wheels through bearings, one end of the driving wheel passes through the surface of the support plate on one side and is fixedly connected to the output shaft of the first motor, the output shaft of the first motor is fixedly connected to the surface of the support plate on one side through a bracket, the surface of the support plate on one side is provided with a screening device, and the surface of the support plate on the other side is provided with an auxiliary unloading device.

[0007] Preferably, the screening device includes a second motor and a first box body, the first box body is fixedly connected to the surface of a support plate on one side, the inner surface of the first box body is fixedly connected to the second motor through a bracket, the output shaft of the second motor is rotatably connected to the rubber wheel through a reducer, the surface of the rubber wheel is tightly abutted against the surface of the push rod, the surface of the push rod is slidably connected to the through hole opened on the surface of the through hole block, the surface of the through hole block is fixedly connected to the inner surface of the first box body, both ends of the push rod pass through the surface of the first box body through the opening opened on the surface of the first box body, the first box surface is fixedly connected to an inclined rod, and one end of the inclined rod is fixedly connected to the surface of the support plate on one side.

[0008] Preferably, a plurality of through holes are provided on the surface of the conveyor belt, and a first inclined plate is fixedly connected to the surface of the support plate on one side, and one end of the first inclined plate passes through the support plate on the other side.

[0009] Preferably, a second inclined plate is fixedly connected to the surface of the support plate on the other side, and one end of the second inclined plate passes through the surface of the support plate on the other side.

[0010] Preferably, the surfaces of the driving wheel and the driven wheel are both rotatably connected to the surface of the conveyor belt, one end of the push rod is fixedly connected to the surface of the support column, the surface of the support column is slidably engaged with the surface of the frame, and the surface of the frame is fixedly connected to the surface of the push plate.

[0011] Preferably, the auxiliary unloading device includes a second box body and a third motor, the second box body is fixedly connected to the surface of the support plate on the other side, the inner surface of the second box body is fixedly connected to the third motor through a bracket, the output shaft of the third motor is fixedly connected to a rotating rod, one end of the rotating rod is tightly pressed against the surface of the transmission rod, the surface of the transmission rod is fixedly connected to the surface of the circular ring, the surface of the circular ring is fixedly connected to the surface of the sleeve, the surface of the circular ring is fixedly connected to a slider, the surface of the slider is slidably engaged with a slideway opened on the inner surface of the second box body, both ends of the sleeve pass through the second box body surface through the opening opened on the surface of the second box body, the inner surface of the sleeve is slidably connected to the surfaces of two impact rods, and one end of the impact rod and the inner surface of the sleeve on both sides are respectively fixedly connected to the two ends of two springs.

[0012] The utility model proposes an auxiliary screening device for coal mine belt conveyor, which has the beneficial effects of: through the cooperation of the screening device and the conveyor belt, multiple groups of through holes opened on the surface of the conveyor belt can make smaller coal blocks fall to the surface of the first inclined plate, so that the first inclined plate can transport smaller coal blocks, and at the same time, according to the size of the coal blocks to be sorted, the height of the push plate is adjusted to a suitable position, the output shaft of the second motor rotates to drive the rubber wheel to rotate, so that the rubber wheel can drive the push rod to move, so that the push rod can push the support column to move, so that the support column can drive the push plate to move synchronously through the frame, so that the push plate can push the coal blocks whose height on the conveyor belt surface is higher than the push plate height to the surface of the second inclined plate, so that the second inclined plate can transport larger coal blocks, and at the same time, the output shaft of the second motor is started to reverse, so that the push plate returns to its original position and the next push is performed. By slowly rotating the conveyor belt, the situation of missing sorting of some coal blocks can be reduced, and large coal blocks can be screened by pushing, the situation of material jamming is reduced, and the sorting effect of the device is improved.

[0013] Through the cooperation of the auxiliary unloading device and the first inclined plate, the output shaft of the third motor rotates to drive the rotating rod to rotate, so that the rotating rod can push the transmission rod to move upward quickly, and the transmission rod can move upward synchronously through the circular ring to the bottom sleeve, so that the sleeve can drive the impact rod on one side to hit the second inclined plate, and the impact rod on the other side can hit the edge of the first inclined plate, so that the first inclined plate can vibrate, and under the elastic force of the spring on the other side, it can move upward again a certain distance after the collision, so that the rotating rod can push the transmission rod to move again. According to the above operation, the first inclined plate and the second inclined plate can vibrate, reducing the occurrence of blockages, and auxiliary dredging through vibration, reducing the probability of blockage during unloading, and improving the unloading effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A top view of

[0016] Figure 3 for Figure 1 A front cross-sectional view of

[0017] Figure 4 for Figure 1 A side cross-sectional view of

[0018] Figure 5 for Figure 1 A side cross-sectional view of

[0019] Figure 6 for Figure 1 A side cross-sectional view of

[0020] Figure 7 It is a side sectional view of the auxiliary unloading device.

[0021] In the figure: 1, support plate, 2, conveyor belt, 3, driving wheel, 4, driven wheel, 5, first inclined plate, 6, push plate, 7, support column, 8, screening device, 801, second motor, 802, push rod, 803, rubber wheel, 803, rubber wheel, 804, through-hole block, 805, inclined rod, 806, first box body, 9, auxiliary unloading device, 901, second box body, 902, third motor, 903, rotating rod, 904, sleeve, 905, ring, 906, transmission rod, 907, impact rod, 908, spring, 909, slider, 10, first motor, 11, frame, 12, second inclined plate. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] See attached Figure 1-7 : In the present embodiment, an auxiliary screening device for coal mine belt conveyor comprises a support plate 1 and a conveyor belt 2. The surfaces of the support plates 1 on both sides are slidably connected to the surfaces of the conveyor belt 2. The surfaces of the support plates 1 on both sides are rotatably connected to the two ends of the driven wheel 4 through bearings. The diameter of the driving wheel 3 is larger than that of the driven wheel 4. The surfaces of the support plates 1 on both sides are rotatably connected to the driving wheel 3 through bearings. One end of the driving wheel 3 penetrates through the surface of one side support plate 1 and is fixedly connected to the output shaft of the first motor 10. The first motor 10 can meet the working needs according to actual needs. The first motor 10 can drive the driving wheel 3 to rotate. The output shaft of the first motor 10 is fixedly connected to the surface of the support plate 1 on one side through a bracket. A screening device 8 is provided on the surface of the support plate 1 on one side, and an auxiliary unloading device 9 is provided on the surface of the support plate 1 on the other side.

[0024] There are multiple groups of through holes on the surface of the conveyor belt 2. A first inclined plate 5 is fixedly connected to the surface of the support plate 1 on one side. One end of the first inclined plate 5 passes through the support plate 1 on the other side. The first inclined plate 5 can transport smaller coal blocks. A second inclined plate 12 is fixedly connected to the surface of the support plate 1 on the other side. The second inclined plate 12 can transport larger coal blocks. The inner surface of the second inclined plate 12 is at the same height as the surface of the conveyor belt 2. One end of the second inclined plate 12 passes through the surface of the support plate 1 on the other side. The surfaces of the driving wheel 3 and the driven wheel 4 are both rotatably connected to the surface of the conveyor belt 2. One end of the push rod 802 is fixedly connected to the surface of the support column 7. The surface of the support column 7 is slidably engaged with the surface of the frame 11. The frame 11 can adjust the height of the push plate 6. At the same time, the friction between the surface of the frame 11 and the surface of the support column 7 can fix the position of the frame 11, and the surface of the frame 11 is fixedly connected to the surface of the push plate 6.

[0025] The screening device 8 includes a second motor 801 and a first box body 806. The first box body 806 is fixedly connected to the surface of the support plate 1 on one side. The inner surface of the first box body 806 is fixedly connected to the second motor 801 through a bracket. The second motor 801 can meet the working needs according to actual needs. The second motor 801 can drive the rubber wheel 803 to rotate. The output shaft of the second motor 801 is rotationally connected to the rubber wheel 803 through a reducer. The surface of the rubber wheel 803 is tightly pressed against the surface of the push rod 802. The rubber wheel 803 can drive the push rod 802 to move. The surface of the push rod 802 is slidably connected to the through hole opened on the surface of the through hole block 804. The surface of the through hole block 804 is fixedly connected to the inner surface of the first box body 806. Both ends of the push rod 802 pass through the surface of the first box body 806 through the opening opened on the surface of the first box body 806. The surface of the first box body 806 is fixedly connected to an inclined rod 805, and one end of the inclined rod 805 is fixedly connected to the surface of the support plate 1 on one side.

[0026] The auxiliary unloading device 9 includes a second box body 901 and a third motor 902. The second box body 901 is fixedly connected to the surface of the support plate 1 on the other side. The inner surface of the second box body 901 is fixedly connected to the third motor 902 through a bracket. The third motor 902 can meet the working needs according to actual needs. The third motor 902 can drive the rotating rod 903 to rotate. The output shaft of the third motor 902 is fixedly connected to the rotating rod 903. One end of the rotating rod 903 is tightly pressed against the surface of the transmission rod 906. The rotating rod 903 can push the transmission rod 906 to rise and fall. The surface of the transmission rod 906 is fixedly connected to the surface of the ring 905. The transmission rod 906 can transfer the thrust of the rotating rod 903 to the surface of the ring 905, so that the ring 905 can move. The surface of the ring 905 is fixedly connected to the surface of the sleeve 904, and a slider 909 is fixedly connected to the surface of the circular ring 905. The slider 909 can fix the moving track of the circular ring 905. The surface of the slider 909 is slidably engaged with the slideway opened on the inner surface of the second box body 901. Both ends of the sleeve 904 pass through the surface of the second box body 901 through the openings opened on the surface of the second box body 901. The inner surface of the sleeve 904 is slidably connected to the surfaces of the two impact rods 907 to fix the moving tracks of the impact rods 907 on both sides. One end of the impact rods 907 on both sides and the inner surface of the sleeve 904 are respectively fixedly connected to the two ends of the two springs 908. The elastic coefficient of the spring 908 can meet the working needs according to actual needs, and the spring 908 can allow the impact rod 907 to have movement space.

[0027] Working principle:

[0028] When transporting coal:

[0029] The external power supply of the first motor 10 is turned on, and the output shaft of the first motor 10 is started to rotate to drive the driving wheel 3 to rotate, so that the driving wheel 3 can drive the conveyor belt 2 to rotate, and the driven wheel 4 can rotate synchronously, so that the conveyor belt 2 can slowly transport the coal blocks.

[0030] Sorting process:

[0031] The multiple groups of through holes opened on the surface of the conveyor belt 2 can make smaller coal blocks fall onto the surface of the first inclined plate 5, so that the first inclined plate 5 can transport smaller coal blocks. At the same time, according to the size of the coal blocks to be sorted, the height of the push plate 6 is adjusted to a suitable position, the external power supply of the second motor 801 is turned on, and the output shaft of the second motor 801 is started to rotate to drive the rubber wheel 803 to rotate, so that the rubber wheel 803 can drive the push rod 802 to move, so that the push rod 802 can push the support column 7 to move, so that the support column 7 can drive the push plate 6 to move synchronously through the frame 11, so that the push plate 6 can push the coal blocks whose height on the surface of the conveyor belt 2 is higher than the height of the push plate 6 to the surface of the second inclined plate 12, so that the second inclined plate 12 can transport larger coal blocks. At the same time, the output shaft of the second motor 801 is started to reverse, so that the push plate 6 returns to its original position and the next push is performed. By slowly rotating the conveyor belt 2, the situation where some coal blocks are missed from being sorted can be reduced.

[0032] Cutting process:

[0033] The external power supply of the third motor 902 is turned on, and the output shaft of the third motor 902 is started to rotate to drive the rotating rod 903 to rotate, so that the rotating rod 903 can push the transmission rod 906 to move upward quickly, so that the transmission rod 906 can move upward synchronously through the ring 905 to the bottom sleeve 904, so that the sleeve 904 can drive the impact rod 907 on one side to hit the second inclined plate 12, so that the second inclined plate 12 can vibrate, and at the same time, the spring 908 on one side will be compressed. When the rotating rod 903 rotates to no longer contact the surface of the transmission rod 906, it will move downward quickly under the action of gravity and the compression spring 908 on one side, so that the impact rod 907 on the other side can hit the edge of the first inclined plate 5, so that the first inclined plate 5 can vibrate, and under the elastic force of the spring 908 on the other side, it can move upward again for a certain distance after the collision, so that the rotating rod 903 can push the transmission rod 906 to move again. According to the above operation, the first inclined plate 5 and the second inclined plate 12 can vibrate, reducing the possibility of blockage.

[0034] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An auxiliary screening device for coal mine belt conveyor, comprising a support plate (1) and a conveyor belt (2), wherein the surfaces of the support plates (1) on both sides are slidably connected to the surfaces of the conveyor belt (2), and characterized in that: The surfaces of the support plates (1) on both sides are rotatably connected to the two ends of the driven wheel (4) through bearings, and the surfaces of the support plates (1) on both sides are rotatably connected to the driving wheel (3) through bearings. One end of the driving wheel (3) passes through the surface of one side of the support plate (1) and is fixedly connected to the output shaft of the first motor (10). The output shaft of the first motor (10) is fixedly connected to the surface of the support plate (1) on one side through a bracket. A screening device (8) is provided on the surface of the support plate (1) on one side, and an auxiliary unloading device (9) is provided on the surface of the support plate (1) on the other side.

2. The auxiliary screening equipment for coal mine belt conveyor according to claim 1 is characterized in that: The screening device (8) comprises a second motor (801) and a first box (806); the first box (806) is fixedly connected to the surface of a support plate (1) at one side; the inner surface of the first box (806) is fixedly connected to the second motor (801) via a bracket; the output shaft of the second motor (801) is rotationally connected to a rubber wheel (803) via a reducer; the surface of the rubber wheel (803) is tightly abutted against the surface of a push rod (802); the surface of the push rod (802) is slidably connected to a through hole provided on the surface of a through hole block (804); the surface of the through hole block (804) is fixedly connected to the inner surface of the first box (806); both ends of the push rod (802) pass through the surface of the first box (806) through an opening provided on the surface of the first box (806); an inclined rod (805) is fixedly connected to the surface of the first box (806); one end of the inclined rod (805) is fixedly connected to the surface of the support plate (1) at one side.

3. The auxiliary screening equipment for coal mine belt conveyor according to claim 1 is characterized in that: The surface of the conveyor belt (2) is provided with a plurality of through holes, and a first inclined plate (5) is fixedly connected to the surface of the support plate (1) on one side, and one end of the first inclined plate (5) passes through the support plate (1) on the other side.

4. The auxiliary screening equipment for coal mine belt conveyor according to claim 1, characterized in that: A second inclined plate (12) is fixedly connected to the surface of the support plate (1) on the other side, and one end of the second inclined plate (12) penetrates the surface of the support plate (1) on the other side.

5. The auxiliary screening equipment for coal mine belt conveyor according to claim 2 is characterized in that: The surfaces of the driving wheel (3) and the driven wheel (4) are both rotatably connected to the surface of the conveyor belt (2); one end of the push rod (802) is fixedly connected to the surface of the support column (7); the surface of the support column (7) is slidably engaged with the surface of the frame (11); and the surface of the frame (11) is fixedly connected to the surface of the push plate (6).

6. The auxiliary screening equipment for coal mine belt conveyor according to claim 1, characterized in that: The auxiliary unloading device (9) comprises a second box (901) and a third motor (902), wherein the second box (901) is fixedly connected to the surface of the support plate (1) on the other side, and the inner surface of the second box (901) is fixedly connected to the third motor (902) via a bracket, and the output shaft of the third motor (902) is fixedly connected to a rotating rod (903), one end of the rotating rod (903) is tightly abutted against the surface of a transmission rod (906), the surface of the transmission rod (906) is fixedly connected to the surface of a circular ring (905), and the surface of the circular ring (905) is fixedly connected to the sleeve. (904) surface is fixedly connected, the surface of the ring (905) is fixedly connected with a slider (909), the surface of the slider (909) is slidably engaged with a slideway opened on the inner surface of the second box body (901), both ends of the sleeve (904) pass through the surface of the second box body (901) through openings opened on the surface of the second box body (901), the inner surface of the sleeve (904) is slidably connected to the surfaces of two impact rods (907), and one end of the impact rods (907) on both sides and the inner surface of the sleeve (904) are respectively fixedly connected to the two ends of two springs (908).

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