CN210762676U - Mining waste rock belt throwing machine - Google Patents

Abstract

The utility model discloses a mining waste rock belt machine of throwing, frame one end is equipped with driving pulley, and the other end is equipped with the switching-over cylinder, is equipped with the conveyer belt between driving pulley and switching-over cylinder, and the frame upper end is equipped with the sealed cowling, and frame upper portion is equipped with a plurality of bearing roller mechanisms, and bearing roller mechanism includes main bearing roller and vice bearing roller, and the frame lower part is equipped with the return stroke bearing roller, and the frame lies in driving pulley one side and is equipped with the motor, and the frame lies in switching-over cylinder one side. The utility model has the advantages of reasonable design, the conveyer belt forms the trapezium structure of falling under the effect of bearing roller mechanism, has guaranteed the stability that the gangue was carried on the conveyer belt, and the design of sealed cowling has avoided external environment's interference, and then has ensured staff's safety, uses when motor and synchronous machine, has improved transport power, has prolonged the life of conveyer belt, and labour saving and time saving has liberated the labour, has realized continuous production's purpose, has improved economic benefits.

Description

Mining waste rock belt throwing machine

Technical Field

The utility model belongs to the technical field of the coal mine safety production, especially, relate to a mining band machine of throwing cash.

Background

The coal gangue is solid waste discharged in the process of tunneling, mining and coal washing, and is a black and gray rock which has lower carbon content and is harder than coal and is associated with a coal bed in the process of coal formation. In the production process of a coal mine, solid wastes such as coal gangue need to be thrown away from a coal mining roadway, or the coal gangue and coal need to be separated in the coal washing process, so that the traditional locomotive is inconvenient to convey and operate, high in labor intensity and incapable of meeting the working requirement of continuity.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a mining throwing cash belt machine.

The utility model discloses a realize like this: a mining gangue belt throwing machine comprises a frame, wherein one end of the frame is provided with a transmission roller, the other end of the frame is provided with a reversing roller, a conveying belt is arranged between the transmission roller and the reversing roller, gangue is conveyed on the conveying belt along the direction from the transmission roller to the reversing roller, the axle center height of the transmission roller is larger than that of the reversing roller to form a fall, the stability of the blanking of the gangue at one end of the transmission roller is ensured, the gangue cannot fall out of the conveying belt and injure workers near the transmission roller, a sealing cover is fixedly arranged at the upper end of the frame to prevent impurities such as coal dust attached to the gangue from escaping under the action of external wind force to pollute the external environment and bring hidden danger to the personal safety of the workers, a plurality of carrier roller mechanisms are arranged below the conveying belt at the upper part of the frame to bear the conveying belt, the carrier roller mechanism comprises a main carrier roller and an auxiliary carrier roller, the auxiliary carrier roller is obliquely arranged on two sides of the main carrier roller, under the action of the carrier roller mechanism, a conveying belt bearing coal gangue forms an inverted trapezoidal structure, the coal gangue is ensured to be positioned in the middle position on the conveying belt, the coal gangue does not fall off, the conveying is stable, the connection between the carrier roller mechanism and the conveying belt is tighter, the conveying effect is good, a first support frame and a second support frame are fixedly arranged on a rack below the carrier roller mechanism, the first support frame is arranged below the main carrier roller, the second support frame is arranged on two sides of the first support frame and is positioned below the auxiliary carrier roller, the upper part of the first support frame is forked and is respectively provided with a first through hole and a second through hole, the upper part of the second support frame is provided with a third through hole, and bearings are arranged in the first through hole, the second, the two ends of the main carrier roller are fixedly connected with first transmission rods, the two ends of each first transmission rod penetrate through bearings in the first through holes and are screwed with first nuts, the main carrier roller rotates along with the rotation of the first transmission rods, the two ends of each auxiliary carrier roller are fixedly connected with second transmission rods, the two ends of each second transmission rod simultaneously penetrate through the bearings in the second through holes and the third through holes and are screwed with second nuts, the auxiliary carrier rollers rotate along with the rotation of the second transmission rods, a plurality of return rollers are uniformly arranged below the conveying belt at the lower part of the rack, so that the conveying belt can move conveniently and can support the conveying belt, a motor is arranged on one side of the transmission roller on the rack, a synchronous motor is arranged on one side of the reversing roller on the rack, the motor is connected with the transmission roller through a coupler, and the motor drives the transmission roller to rotate, and then the conveyer belt removes, synchronous machine is connected with the reversing drum through the shaft coupling, and synchronous machine keeps same rotational speed with the motor, for the long distance of conveyer belt removes and provides secondary power, guarantees the stability and the reliability of conveyer belt pay-off, has prolonged the life of conveyer belt, one side that lies in the reversing drum in the frame is provided with the board that inclines, the both sides and the sealed cowling fixed connection of board that inclines have improved stability and smoothness nature when the gangue leaves from the conveyer belt, the below of reversing drum is close to the board department that inclines and is provided with the cleaning fan, the opening direction of cleaning fan is towards the clearance department of board and reversing drum that inclines, both can clean the conveyer belt, can form the negative pressure in the sealed cowling again, avoids impurity such as coal ash to pour into in the sealed cowling under the effect of external wind power down.

Preferably, speed reducers are arranged between the motor and the coupler and between the synchronous motor and the coupler to adjust the rotating speeds of the motor and the synchronous motor, when too much coal gangue exists on the conveying belt, the transmission speed is properly reduced, and the conveying belt can be effectively protected.

Preferably, the main carrier roller and the auxiliary carrier roller are plated with wear-resistant coatings, so that the service lives of the main carrier roller and the auxiliary carrier roller are prolonged.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the conveyer belt forms the trapezium structure of falling under the effect of bearing roller mechanism, has guaranteed the stability that the gangue was carried on the conveyer belt, and the design of sealed cowling has avoided external environment's interference, and then has ensured staff's safety, uses when motor and synchronous machine, has improved transport power, has prolonged the life of conveyer belt, and labour saving and time saving has liberated the labour, has realized continuous production's purpose, has improved economic benefits.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the carrier roller mechanism of the present invention;

fig. 4 is a schematic front structural view of the first support frame of the present invention;

fig. 5 is a schematic side view of the first support frame of the present invention;

in the figure: 1. a frame; 2. a driving roller; 3. a reversing drum; 4. a conveyor belt; 5. a sealing cover; 6. a carrier roller mechanism; 7. a main carrier roller; 8. an auxiliary carrier roller; 9. a first support frame; 10. a second support frame; 11. a first through hole; 12. a second through hole; 13. a third through hole; 14. a bearing; 15. a first drive lever; 16. a first nut; 17. a second transmission rod; 18. a second nut; 19. a return idler; 20. a motor; 21. a synchronous motor; 22. a coupling; 23. inclining the plate; 24. a speed reducer; 25. and (4) cleaning the fan.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

The mining waste rock throwing belt conveyor comprises a frame 1, wherein one end of the frame 1 is provided with a transmission roller 2, the other end of the frame 1 is provided with a reversing roller 3, a conveying belt 4 is arranged between the transmission roller 2 and the reversing roller 3, coal gangue is conveyed on the conveying belt 4 along the direction from the transmission roller 2 to the reversing roller 3, the height of the axle center of the transmission roller 2 is larger than that of the reversing roller 3 to form a fall, the blanking stability of the coal gangue at one end of the transmission roller 2 is ensured, the coal gangue cannot fall out of the conveying belt 4 to injure workers near the transmission roller 2, a sealing cover 5 is fixedly arranged at the upper end of the frame 1 to prevent impurities such as coal powder and the like attached to the coal gangue from escaping under the action of external wind force to cause pollution to the external environment, and simultaneously bring hidden dangers to the personal safety of the workers, a plurality of carrier roller mechanisms 6 are arranged at the upper part of the frame 1 below the conveyor belt 4 to bear the conveyor belt 4, each carrier roller mechanism 6 comprises a main carrier roller 7 and an auxiliary carrier roller 8, wear-resistant coatings are plated on the main carrier roller 7 and the auxiliary carrier rollers 8 to prolong the service lives of the main carrier rollers 7 and the auxiliary carrier rollers 8, the auxiliary carrier rollers 8 are obliquely arranged at two sides of the main carrier rollers 7, the conveyor belt 4 bearing coal gangue forms an inverted trapezoid structure under the action of the carrier roller mechanisms 6 to ensure that the coal gangue is positioned at the middle position on the conveyor belt 4 and does not drop the coal gangue, the conveying is stable, the connection between the carrier roller mechanisms 6 and the conveyor belt 4 is tighter, the transmission effect is good, a first support frame 9 and a second support frame 10 are fixedly arranged on the frame 1 below the carrier roller mechanisms 6, the first support frame 9 is arranged below the main carrier rollers 7, and the second support frames 10 are arranged at two, and is located below the auxiliary carrier roller 8, the upper portion of the first support frame 9 is forked and is respectively provided with a first through hole 11 and a second through hole 12, the upper portion of the second support frame 10 is provided with a third through hole 13, bearings 14 are arranged in the first through hole 11, the second through hole 12 and the third through hole 13, two ends of the main carrier roller 7 are fixedly connected with a first transmission rod 15, two ends of the first transmission rod 15 penetrate through the bearings 14 in the first through hole 11 and are screwed with a first nut 16, the main carrier roller 7 rotates along with the rotation of the first transmission rod 15, two ends of the auxiliary carrier roller 8 are fixedly connected with a second transmission rod 17, two ends of the second transmission rod 17 simultaneously penetrate through the second through hole 12 and the bearings 14 in the third through hole 13 and are screwed with a second nut 18, the auxiliary carrier roller 8 rotates along with the rotation of the second transmission rod 17, a plurality of return carrier rollers 19 are evenly arranged below the conveyor belt located below the auxiliary carrier roller 4 on the lower portion of the rack 1, the conveyor belt 4 is convenient to move, the conveyor belt 4 is supported, the motor 20 is arranged on one side of the rack 1, which is positioned on the transmission roller 2, the synchronous motor 21 is arranged on one side of the rack 1, which is positioned on the reversing roller 3, the motor 20 is connected with the transmission roller 2 through the coupler 22, the motor 20 drives the transmission roller 2 to rotate, the conveyor belt 4 moves, the synchronous motor 21 is connected with the reversing roller 3 through the coupler 22, the speed reducers 24 are arranged between the motor 20 and the coupler 22 and between the synchronous motor 21 and the coupler 22, the rotating speeds of the motor 20 and the synchronous motor 21 are adjusted, when too much coal gangue is on the conveyor belt 4, the transmission speed is properly reduced, the conveyor belt 4 can be effectively protected, the synchronous motor 21 and the motor 20 keep the same rotating speed, and secondary power is provided for long-distance movement of the conveyor, guarantee the stability and the reliability of 4 pay-offs of conveyer belt, prolonged the life of conveyer belt 4, one side that lies in reversing drum 3 in frame 1 is provided with slope board 23, the both sides and the 5 fixed connection of sealed cowling of slope board 23 have improved stability and smoothness nature when the gangue leaves from conveyer belt 4, reversing drum 3's below is close to slope board 23 department and is provided with cleaning fan 25, cleaning fan 25's opening direction is towards slope board 23 and reversing drum 3's clearance department, both can clean conveyer belt 4, can form the negative pressure again in sealed cowling 5, avoids impurity such as coal ash to pour into sealed cowling 5 under the effect of external wind power in the sealed cowling 5.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (3)

1. A mining waste rock throwing belt conveyor comprises a frame, wherein one end of the frame is provided with a transmission roller, the other end of the frame is provided with a reversing roller, a conveying belt is arranged between the transmission roller and the reversing roller, and the mining waste rock throwing belt conveyor is characterized in that the axle center height of the transmission roller is greater than that of the reversing roller, a sealing cover is fixedly arranged at the upper end of the frame, a plurality of carrier roller mechanisms are arranged at the upper part of the frame below the conveying belt, each carrier roller mechanism comprises a main carrier roller and an auxiliary carrier roller, the auxiliary carrier rollers are obliquely arranged at two sides of the main carrier roller, a first support frame and a second support frame are fixedly arranged on the frame below the carrier roller mechanisms, the first support frame is arranged below the main carrier roller, the second support frames are arranged at two sides of the first support frame and below the auxiliary carrier rollers, the upper part of the first support frame is forked and is respectively, the upper part of the second supporting frame is provided with a third through hole, bearings are arranged in the first through hole, the second through hole and the third through hole, two ends of the main carrier roller are fixedly connected with first transmission rods, two ends of each first transmission rod penetrate through the bearings in the first through hole and are screwed together with a first nut, two ends of each auxiliary carrier roller are fixedly connected with second transmission rods, two ends of each second transmission rod simultaneously penetrate through the second through hole and the bearings in the third through hole and are screwed together with a second nut, the lower part of the rack is uniformly provided with a plurality of return carrier rollers below the conveying belt, one side of the rack positioned on the transmission roller is provided with a motor, one side of the rack positioned on the reversing roller is provided with a synchronous motor, the motor is connected with the transmission roller through a coupler, the synchronous motor is connected with the reversing roller through the coupler, and one side of the rack positioned on the reversing roller is provided with an inclined plate, the two sides of the inclined plate are fixedly connected with the sealing cover, a cleaning fan is arranged below the reversing roller and close to the inclined plate, and the opening direction of the cleaning fan faces to the gap between the inclined plate and the reversing roller.

2. The mining gangue dumping belt conveyor as claimed in claim 1, wherein a speed reducer is arranged between the motor and the coupler and between the synchronous motor and the coupler.

3. The mining gangue dumping belt conveyor as claimed in claim 1, wherein the primary and secondary idlers are coated with a wear resistant coating.

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