CN216104506U - Belt conveyor for large-scale open pit coal mining - Google Patents

Abstract

The utility model discloses a belt conveyor for large-scale open pit coal mining, which comprises a supporting plate, a roller, a belt and a limiting frame, wherein a cleaning assembly is arranged on the limiting frame, a cleaning brush moves left and right in a reciprocating manner, and the cleaning brush can clean the front end of a bucket, so that more impurities at the front end of the bucket are prevented from being left, and the sharpness of the front end surface of the bucket is reduced; through having set up the absorption subassembly at the spacing front end, atress board and accessible extrusion groove extract outside air pass through the accumulator and through the filtration entering flow guide pipe of filter screen in, can inhale and be filtered on the filter screen the buggy of the part outwards raise dust that the bucket produced when empting coal is automatic, reduce manual operation, avoid the dust to raise, and when the air in the extrusion groove is to the outer end blowback, the impurity of filter screen end can be by in the dust fall liquid of blowback to the accumulator, and interior dust fall liquid absorbs.

Description

Belt conveyor for large-scale open pit coal mining

Technical Field

The utility model relates to the related field of coal mine transportation, in particular to a belt conveyer for large-scale open pit coal mining.

Background

The coal mine is a region where human beings mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, and when a coal bed is far away from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, so that the coal mine is the mineworker coal mine; when the coal seam is very close to the earth's surface, the coal is generally excavated by directly stripping the earth's surface, which is an open pit coal mine, and the coal mine can be transported by a belt conveyor.

The belt conveyor can convey the coal mine, when an external excavator conveys the coal mine to the belt conveyor, dust is easily generated when the coal mine falls onto the belt conveyor, so that the dust content of surrounding air can be improved, and the overall air quality is reduced; there is a lack of cleaning of the excavator on the belt conveyor.

SUMMERY OF THE UTILITY MODEL

Accordingly, to address the above-described deficiencies, the present invention provides a large open pit coal mining belt conveyor.

The utility model is realized in such a way that a belt conveyor for large-scale open pit coal mining is constructed, the belt conveyor comprises a support plate, a roller, a belt, a limiting frame, an absorption assembly, a cleaning assembly and an output motor, the middle end of the support plate is rotatably connected with the roller, the side surface of the roller is in transmission connection with the inner side surface of the belt, the left end and the right end of the top of the support plate are welded with the limiting frame, the side surface of the support plate is in bolt connection with a base of the output motor, the output shaft of the output motor is fixedly connected with the circle center of the roller, the cleaning assembly is fixedly connected with the top of the left end of the limiting frame and comprises a shell, an auxiliary assembly, a cleaning brush, a groove, an auxiliary motor, a gear, a corrugated plate and a sliding groove, the shell is fixedly connected with the top of the left end of the limiting frame, the auxiliary assembly is arranged at the left end in the shell, and the front end surface of the shell is in sliding connection with the rear end of the cleaning brush, the middle end in the shell is connected with an auxiliary motor base through a bolt, an auxiliary motor output shaft is fixedly connected with the circle center of the gear, the bottom end of the corrugated plate is connected with the inner side face of the shell in a sliding mode, the gear is meshed with the inner side face of the corrugated plate, and the sliding groove is formed in the left end in the shell.

Preferably, the upper end and the lower end of the sliding groove inner side surface are in sliding connection with the auxiliary assembly, the auxiliary assembly comprises a sliding frame, a handle, a screw rod, a bevel gear set and a cleaning rod, the sliding frame is in sliding connection with the sliding groove inner side surface, the rear end of the sliding frame is in rotating connection with the handle, the middle end in the sliding frame is in rotating connection with the screw rod, the upper end of the screw rod is fixedly connected with the circle center of a bevel gear at the left end of the bevel gear set, the left end of the handle is fixedly connected with the circle center of a bevel gear at the right end of the bevel gear set, and the side surface of the screw rod is in threaded connection with the rear end of the cleaning rod.

Preferably, the left end of the front part of the limiting frame and the absorption assembly form a whole, the absorption assembly comprises an outer box, a stress plate, a reset spring, an extrusion groove, a flow guide pipe, a liquid storage groove and a filter screen, the outer box and the left end of the front part of the limiting frame form a whole, the top end face of the outer box is in sliding connection with the side face of the middle end of the stress plate, the stress plate is elastically connected with the bottom end of the reset spring, the top of the reset spring is fixedly connected with the top part of the inner part of the outer box, the extrusion groove is arranged at the lower end of the inner part of the outer box, the bottom end of the extrusion groove is connected with the flow guide pipe, the liquid storage groove is arranged at the upper end of the inner part of the limiting frame, the right end of the flow guide pipe is communicated with the upper end of the liquid storage groove, the filter screen is arranged at the opening of the right end of the liquid storage groove, and the gas guide plate is connected with the side face of the right end of the limiting frame.

Preferably, both ends run through both ends around the shell respectively around the spout, are the cruciform structure in the spout.

Preferably, the groove is matched with the convex block at the upper end of the cleaning rod, and the bottom of the cleaning rod is contacted with the belt.

Preferably, the middle end of the sliding frame is of a concave structure, and the upper end and the lower end of the sliding frame are both connected with limiting lugs.

Preferably, the top end face of the stress plate is provided with a rubber elastic layer, and the lower end of the stress plate is in close contact with the side face of the extrusion groove.

Preferably, the dust reducing liquid is stored in the liquid storage tank, and a liquid discharge pipe is arranged at the bottom end of the liquid storage tank.

Preferably, the material of the screw rod is 38 CRMOAL.

Preferably, the gear is made of aluminum alloy.

The utility model has the following advantages: the utility model provides a belt conveyor for large open pit coal mining by improvement, compared with the same type of equipment, the belt conveyor comprises the following improvements:

according to the belt conveyor for large open pit coal mining, the cleaning assembly is arranged on the limiting frame, the cleaning brush moves in a reciprocating mode from left to right, the cleaning brush can clean the front end of the bucket, more impurities at the front end of the bucket are prevented from remaining, and the sharpness of the front end face of the bucket is reduced.

According to the belt conveyor for large open pit coal mining, the auxiliary assembly is arranged at the left end of the shell, the cleaning rod is clamped with the groove in the cleaning brush, so that the cleaning rod and the cleaning brush can be integrated, the cleaning rod can move along with the cleaning brush, the cleaning rod can clean the side face of the belt, and the situation that more pulverized coal adheres to the side face of the belt is avoided.

According to the belt conveyor for large-scale open pit coal mining, the absorption assembly is arranged at the front end of the limiting frame, the stress plate can extract external air through the extrusion groove, the external air passes through the liquid storage groove and enters the inner part of the flow guide pipe after being filtered by the filter screen, and then the part of coal dust raising outwards when the coal is dumped by the bucket can be automatically sucked and filtered on the filter screen, so that manual operation is reduced, dust raising is avoided, and when the air in the extrusion groove is reversely blown towards the outer end, impurities at the end of the filter screen can be reversely blown into dust lowering liquid in the liquid storage groove and absorbed by the dust lowering liquid.

Drawings

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is a schematic view of the cleaning assembly of the present invention;

FIG. 4 is a schematic view of the auxiliary assembly of the present invention;

figure 5 is a schematic view of an absorbent assembly of the present invention.

Wherein: the device comprises a supporting plate-1, a roller-2, a belt-3, a limiting frame-4, an absorption component-5, a cleaning component-6, an output motor-7, a shell-61, an auxiliary component-62, a cleaning brush-63, a groove-64, an auxiliary motor-65, a gear-66, a corrugated plate-67, a chute-68, a sliding frame-621, a handle-622, a screw rod-623, a bevel gear group-624, a cleaning rod-625, an outer box-51, a stress plate-52, a return spring-53, an extrusion groove-54, a flow guide pipe-55, a liquid storage groove-56 and a filter screen-57.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 and 2, the belt conveyor for large open pit coal mining of the utility model comprises a support plate 1, a roller 2, a belt 3, a limiting frame 4, an absorption assembly 5, a cleaning assembly 6 and an output motor 7, wherein the middle end of the support plate 1 is rotatably connected with the roller 2, the side surface of the roller 2 is in transmission connection with the inner side surface of the belt 3, the left end and the right end of the top of the support plate 1 are welded with the limiting frame 4, the side surface of the support plate 1 is in bolt connection with a base of the output motor 7, an output shaft of the output motor 7 is fixedly connected with the circle center of the roller 2, and the cleaning assembly 6 is fixedly connected with the top of the left end of the limiting frame 4.

Referring to fig. 2 and 3, the belt conveyer for large open pit coal mining of the present invention comprises a housing 61, an auxiliary assembly 62, a cleaning brush 63, a groove 64, an auxiliary motor 65, a gear 66, a toothed plate 67 and a chute 68, wherein the housing 61 is fixedly connected with the top of the left end of a spacing frame 4 to provide an installation space, the auxiliary assembly 62 is arranged at the left end in the housing 61 to perform adjustment and spacing functions, the front end surface of the housing 61 is slidably connected with the rear end of the cleaning brush 63 to facilitate cleaning of the front end of the excavator bucket of the excavator, the middle end in the housing 61 is bolted with the base of the auxiliary motor 65 to provide a power source, the output shaft of the auxiliary motor 65 is fixedly connected with the center of the gear 66 to facilitate driving the gear 66 to rotate, the bottom end 67 of the toothed plate is slidably connected with the inner side surface of the housing 61, the gear 66 is engaged with the inner side surface of the toothed plate 67 to drive the toothed plate 67 to reciprocate from side to side, the left end in the shell 61 is located to spout 68, and both ends run through shell 61 respectively around spout 68, are the cruciform structure in the spout 68, the removal of the sliding frame 621 of being convenient for, and recess 64 is identical with the lug of clearance pole 625 upper end, and clearance pole 625 bottom contacts with belt 3.

Referring to fig. 4, according to the belt conveyor for large open pit coal mining of the present invention, the inner side surface of the sliding chute 68 is slidably connected to the upper and lower ends of the auxiliary assembly 62, the auxiliary assembly 62 includes a sliding frame 621, a handle 622, a screw 623, a bevel gear group 624 and a cleaning rod 625, the sliding frame 621 is slidably connected to the inner side surface of the sliding chute 68 to adjust the position of the cleaning rod 625 to be weaned down, the rear end of the sliding frame 621 is rotatably connected to the handle 622 to apply power to adjust the height of the cleaning rod 625, the middle end of the sliding frame 621 is rotatably connected to the screw 623, the upper end of the screw 623 is fixedly connected to the center of the bevel gear at the left end of the bevel gear group 624, the left end of the handle 622 is fixedly connected to the center of the bevel gear at the right end of the bevel gear group 624, the side surface thread of the screw 623 is threadedly connected to the rear end of the cleaning rod 625, the middle end of the sliding frame 621 is of a concave structure, and the upper and lower ends of the sliding frame are connected to limit protrusions.

Referring to fig. 5, the belt conveyer for large open pit coal mining according to the present invention includes an absorbing assembly 5 integrated with the left end of the front portion of a spacing frame 4, the absorbing assembly 5 includes an outer case 51, a stress plate 52, a return spring 53, an extruding groove 54, a fluid guide pipe 55, a fluid reservoir 56 and a filter screen 57, the outer case 51 is integrated with the left end of the front portion of the spacing frame 4, the top end of the outer case 51 is slidably connected with the side surface of the middle end of the stress plate 52, so that the excavator of the excavator can apply force to the upper end of the stress plate 52, the stress plate 52 is elastically connected with the bottom end of the return spring 53, the stress plate 52 can move downward and can extrude the air below into the interior thereof, the top of the return spring 53 is fixedly connected with the top of the outer case 51, the extruding groove 54 is provided on the lower end of the outer case 51 for providing air processing, the bottom end of the extruding groove 54 is connected with the fluid guide pipe 55, the fluid reservoir 56 is provided on the upper end of the spacing frame 4, the right end of the guide pipe 55 is communicated with the upper end of the liquid storage tank 56, a filter screen 57 is arranged at an opening at the right end of the guide pipe 55, dust in the air at the outer end can be filtered conveniently and can fall downwards into the dust falling liquid in the interior, the dust falling liquid can be common clear water, a ventilating plate is connected to the right side face of the liquid storage tank 56, the air at the outer end can be extracted conveniently and the air in the interior can be transmitted to the outer end, the ventilating plate is connected with the right side face of the limiting frame 4, a rubber elastic layer is arranged on the top end face of the stress plate 52, the lower end of the stress plate 52 is in close contact with the side face of the extrusion tank 54, the dust falling liquid is stored in the liquid storage tank 56, and a liquid discharge pipe is arranged at the bottom end of the liquid storage tank 56.

The utility model provides a belt conveyor for large-scale open pit coal mining through improvement, which has the following working principle;

firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;

secondly, when the coal mine is conveyed, the output motor 7 on the side surface of the supporting plate 1 can be started to drive the roller 2 to rotate, the roller 2 can drive the belt 3 to rotate while rotating, then an external excavator can dig the coal mine into the upper end of the belt 3 at the left end of the limiting frame 4 and can be driven by the output motor 7 to convey the coal mine to the right end of the supporting plate 1 to fall;

thirdly, when the excavator is used for conveying coal, the excavator can apply pressure to the stress plate 52 at the upper end of the outer box 51 by using the excavator bucket in advance, then the stress plate 52 can move downwards to stretch the return spring 53, then the lower end of the stress plate 52 can extrude the air in the extrusion groove 54 into the draft tube 55 and transmit the air to the outer end through the liquid storage groove 56, the excavator bucket loosens the extrusion on the stress plate 52, the coal in the excavator bucket can be poured into the left end of the limiting frame 4, then the stress plate 52 can automatically move upwards under the elastic restoring force of the return spring 53, the stress plate 52 can extract the air outside through the extrusion groove 54, the air passes through the liquid storage groove 56 and enters the interior of the draft tube 55 through the filtration of the filtration net 57, namely, the coal dust which is generated when the excavator bucket dumps the coal can be automatically sucked and filtered on the filtration net 57, the manual operation is reduced, and the dust is prevented from lifting, when the air in the extrusion groove 54 is blown back to the outer end, the impurities at the end of the filter screen 57 can be blown back to the dust-reducing liquid in the liquid storage groove 56 and absorbed by the dust-reducing liquid;

fourthly, after the excavator conveys the coal mine, the auxiliary motor 65 in the shell 61 can be started, the auxiliary motor 65 can apply power to the gear 66, then the gear 66 can drive the corrugated plate 67 to move left and right, so that the corrugated plate 67 can drive the cleaning brush 63 connected with the upper end to move left and right, after the excavator bucket of the excavator is placed in the coal mine, the front end of the excavator bucket can be placed in contact with the cleaning brush 63, then the cleaning brush 63 can clean the front end of the excavator bucket, more impurities left at the front end of the excavator bucket are avoided, and the sharpness of the front end face of the excavator bucket is reduced;

fifthly, when the cleaning rod 625 needs to be started, the auxiliary motor 65 can be controlled to pause, the cleaning brush 63 is reset, power is applied to the handle 622, the handle 622 can drive the screw 623 in the sliding frame 621 to rotate through the bevel gear set 624, the screw 623 can drive the cleaning rod 625 to move upwards and be clamped with the groove 64 in the cleaning brush 63 while rotating, the cleaning rod 625 and the cleaning brush 63 can be integrated, the cleaning brush 63 is driven, the cleaning rod 625 can move along with the cleaning brush 63, the cleaning rod 625 can clean the side face of the belt 3, more pulverized coal adhered to the side face of the belt 3 is avoided, and the cleaning rod 625 can drive the sliding frame 621 to move in the sliding groove 68.

According to the belt conveyor for large open pit coal mining, the cleaning assembly 6 is arranged on the limiting frame 4, the cleaning brush 63 moves left and right in a reciprocating mode, the cleaning brush 63 can clean the front end of the bucket, more impurities at the front end of the bucket are prevented from being left, and the sharpness of the front end face of the bucket is reduced; by arranging the auxiliary assembly 62 at the left end of the shell 61, the cleaning rod 625 is clamped with the groove 64 in the cleaning brush 63, so that the cleaning rod 625 and the cleaning brush 63 can be integrated, the cleaning rod 625 can move along with the cleaning brush 63, the cleaning rod 625 can clean the side surface of the belt 3, and the side surface of the belt 3 is prevented from being adhered with more pulverized coal; through having set up absorption assembly 5 at the spacing 4 front end, atress board 52 and accessible extrusion groove 54 extract outside air through hold the liquid groove 56 and through filter entering honeycomb duct 55 inside of filter screen 57, can be to the automatic suction of part outwards raise dust's that the bucket produced when empting coal buggy and filtered on filter screen 57, reduce manual operation, avoid the dust to raise, and when the air in the extrusion groove 54 blowbacks to the outside end, the impurity of filter screen 57 end can be by in the dust fall liquid of blowback in holding the liquid groove 56, and interior dust fall liquid absorbs.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A belt conveyor for large open pit coal mining comprises a supporting plate (1) and a limiting frame (4), wherein the middle end of the supporting plate (1) is rotatably connected with a roller (2), the side surface of the roller (2) is in transmission connection with the inner side surface of a belt (3), the left end and the right end of the top of the supporting plate (1) are welded with the limiting frame (4), the side surface of the supporting plate (1) is in bolted connection with a base of an output motor (7), and an output shaft of the output motor (7) is fixedly connected with the circle center of the roller (2);

the method is characterized in that: the cleaning assembly (6) is fixedly connected with the top of the left end of the limiting frame (4), the cleaning assembly (6) comprises a shell (61), an auxiliary assembly (62), a cleaning brush (63), a groove (64), an auxiliary motor (65), a gear (66), a toothed plate (67) and a sliding groove (68), the shell (61) is fixedly connected with the top of the left end of the limiting frame (4), the auxiliary assembly (62) is arranged at the left end in the shell (61), the front end surface of the shell (61) is slidably connected with the rear end of the cleaning brush (63), the middle end in the shell (61) is connected with a base bolt of the auxiliary motor (65), an output shaft of the auxiliary motor (65) is fixedly connected with the circle center of the gear (66), the bottom end of the toothed plate (67) is slidably connected with the inner side surface of the shell (61), and the gear (66) is meshed with the inner side surface of the toothed plate (67), the sliding groove (68) is arranged at the left end in the shell (61).

2. A large opencut coal mining belt conveyor according to claim 1, wherein: both ends sliding connection about spout (68) medial surface and auxiliary assembly (62), auxiliary assembly (62) are including sliding frame (621), handle (622), lead screw (623), bevel gear group (624) and clearance pole (625), sliding frame (621) and spout (68) medial surface sliding connection, sliding frame (621) rear end rotates with handle (622) to be connected, the middle-end rotates with lead screw (623) to be connected in sliding frame (621), the bevel gear centre of a circle department fixed connection of lead screw (623) upper end and bevel gear group (624) left end, the bevel gear centre of a circle department fixed connection of handle (622) left end and bevel gear group (624) right-hand member, lead screw (623) side screw thread and clearance pole (625) rear end threaded connection.

3. A large opencut coal mining belt conveyor according to claim 1, wherein: the left end of the front part of the limiting frame (4) and the absorption assembly (5) form a whole, the absorption assembly (5) comprises an outer box (51), a stress plate (52), a reset spring (53), an extrusion groove (54), a guide pipe (55), a liquid storage groove (56) and a filter screen (57), the outer box (51) and the left end of the front part of the limiting frame (4) form a whole, the top end surface of the outer box (51) is in sliding connection with the side surface of the middle end of the stress plate (52), the stress plate (52) is elastically connected with the bottom end of the reset spring (53), the top of the reset spring (53) is fixedly connected with the top part of the inner part of the outer box (51), the extrusion groove (54) is arranged at the lower end of the inner part of the outer box (51), the guide pipe (55) is connected with the bottom end of the extrusion groove (54), the liquid storage groove (56) is arranged at the upper end of the limiting frame (4), and the right end of the guide pipe (55) is communicated with the liquid storage groove (56), the right end opening of the draft tube (55) is provided with a filter screen (57), the right side surface of the liquid storage tank (56) is connected with a breathable plate, and the breathable plate is connected with the right side surface of the limiting frame (4).

4. A large opencut coal mining belt conveyor according to claim 1, wherein: both ends run through shell (61) both ends around spout (68) respectively, are the cruciform structure in spout (68).

5. A large opencut coal mining belt conveyor according to claim 1, wherein: the groove (64) is matched with a convex block at the upper end of the cleaning rod (625), and the bottom of the cleaning rod (625) is contacted with the belt (3).

6. A large opencut coal mining belt conveyor according to claim 2, wherein: the middle end of the sliding frame (621) is of a concave structure, and the upper end and the lower end of the sliding frame (621) are both connected with limiting lugs.

7. A large opencut coal mining belt conveyor according to claim 3, wherein: the top end face of the stress plate (52) is provided with a rubber elastic layer, and the lower end of the stress plate (52) is tightly contacted with the side face of the extrusion groove (54).

8. A large opencut coal mining belt conveyor according to claim 3, wherein: the dust reducing liquid is stored in the liquid storage tank (56), and a liquid discharge pipe is arranged at the bottom end of the liquid storage tank (56).

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