CN219258578U - Short-distance belt conveyor and machine head and machine tail device thereof - Google Patents

Abstract

The utility model relates to the technical field of conveying equipment, in particular to a short-distance belt conveyor and a machine head and machine tail device thereof, wherein the machine head device comprises a belt head base, a driving roller is rotatably arranged on the belt head base, the driving roller is connected with the output end of a driving motor, and a coal unloading dustpan is arranged on the belt head base positioned at the front end of the driving roller; the utility model provides a short-range belt conveyor, contains aircraft nose device, tail device and belt, the belt both ends cover and establish on the initiative cylinder of aircraft nose device and the bend pulley of tail device, the middle part of belt supports on bearing roller, middle cylinder, the belt passes through driving motor motion. The utility model sets the driving roller as the coal unloading roller, and controls the size of the machine head by one roller; the tensioning device is improved and then arranged at the tail of the machine, so that the size of the machine head is further controlled; the requirements of short layout, low lap joint height and high transportation capacity of the intermediate link are met; the method is suitable for low and special roadways with special installation requirements.

Description

Short-distance belt conveyor and machine head and machine tail device thereof

Technical Field

The utility model relates to the technical field of conveying equipment, in particular to a short-distance belt conveyor used in a coal flow conveying system and a machine head and a machine tail device thereof.

Background

As shown in fig. 1, in the conventional coal mine coal flow conveying system, four heading machines a respectively run on four heading lanes b at the same time to mine four development surfaces, 800 belt conveyors are arranged in the heading lanes b to convey materials to a first main lane c, 1 m belt conveyors are arranged in the first main lane c to convey the materials to an intermediate joint lane d, and 40 scraper conveyors are arranged in the intermediate joint lane d to convey the materials to a second main lane e. The 40 scraper conveyor arranged in the middle connecting lane d is vertically overlapped with the 1 m belt conveyor of the first main lane c by 90 degrees. Because the existing four development surfaces are produced simultaneously, the 40 scraper conveyor needs to transfer coal flows of the 4 development surfaces simultaneously, and the waste rocks in the materials are collected, the 40 scraper conveyor is in overload conveying, has serious coal piling and coal pulling circulation phenomena, is difficult to maintain, has continuous large and small accidents, has continuous accidents such as head shaft breakage, coal scraping rod breakage, chain breakage and motor breakage, and seriously affects the production progress.

According to the field situation, the total length of the intermediate joint lane d is known to be about 21 meters, the lap joint point of the 1 meter belt conveyor of the first main lane c and the intermediate joint lane d is about 11 meters, the coal unloading height is within 0.9 meter, the head height of the existing 800 belt conveyor or 1 meter belt conveyor is 1.443 meter, the head length is 4.01 meters, and the lap joint size of the belt system in the coal flow system cannot be met, so that if the existing 800 belt conveyor or 1 meter belt conveyor is directly adopted in the intermediate joint lane d, the situation that the belt at the intermediate joint lane d coincides with the coal unloading roller of the 1 meter belt conveyor of the first main lane c can occur, the required belt head size is controlled within 1 meter, and the normal use requirement can be met only by the required belt head size.

As shown in fig. 2, the head structure of the conventional 800-meter belt conveyor or 1-meter belt conveyor comprises a coal discharging roller 21, a driving roller rotatably connected with a speed reducer 22, a belt storage bin frame 24 and a tensioning winch 26, wherein the height of the belt storage bin frame 24 is 1.443 meter, the length from the coal discharging roller 21 to the speed reducer 22 is about 4.01 meters, and the length from the coal discharging roller 21 to the belt storage bin frame 24 is about 6.02 meters. The movable sports car 23 is arranged on the belt storage bin frame 24, and the tensioning winch 26 drives the movable sports car 23 to slide on a track of the belt storage bin frame 24 through a steel wire rope 25 so as to tension a belt of the belt storage bin; the utility model is aimed at the improvement of the machine head and the machine tail of the existing conveyor, the height of the improved machine head is 0.8-1 m, the length of the improved machine head is 2 m, the drum of the machine head structure integrates coal unloading and transmission, the belt storage bin frame 24 and the tensioning winch 26 at the machine head are canceled, and the tensioning device after the improvement is arranged at the machine tail is selected, so that the size of the machine head is greatly shortened, and the machine head meets the field size.

Disclosure of Invention

Aiming at the problems of high construction condition and conveying capacity of the intermediate roadway and the need of lap joint with belt conveyors of other roadways, the utility model replaces the existing 40 scraper conveyor of the intermediate roadway with the belt conveyor, and reforms the existing 800 or 1 meter belt conveyor, thereby providing a short-distance belt conveyor, a machine head device and a machine tail device thereof.

The utility model is realized by the following technical scheme: the machine head and machine tail devices of the short-range belt conveyor comprise a machine head device and a machine tail device; the machine head device comprises a belt head base, wherein a driving roller is rotatably arranged on the belt head base, the driving roller is connected with the output end of a driving motor, a coal unloading dustpan is arranged on the belt head base positioned at the front end of the driving roller, a support frame is arranged on the belt head base positioned at the rear end of the driving roller, a carrier roller support is arranged on the support frame, a carrier roller is rotatably arranged on the carrier roller support, the rear end of the driving roller is connected with the carrier roller through an upper belt of the driving roller, a middle roller is connected with the rear end of the driving roller through a lower belt of the driving roller, and the middle roller is positioned on the belt head base below the support frame;

the machine tail device comprises a belt tail frame and a direction changing drum, wherein two parallel slideways are arranged on the belt tail frame, a sliding support is arranged on each slideway in a limiting sliding mode, two ends of the direction changing drum are respectively connected to the corresponding sliding support in a rotating mode, tensioning bolts are respectively arranged on the side edges of each slideway in a rotating mode, and the end portions of the tensioning bolts can be in compression fit with the corresponding sliding supports.

Further preferably, one end of the coal unloading dustpan far away from the driving roller is arranged in a downward inclined mode.

Further preferably, a bending plate is arranged on the slide way positioned at the front end of the bend roller, a straight plate of the bending plate is fixedly arranged between the two slide ways positioned at the front end of the bend roller, and the free end of the inclined plate of the bending plate is in clearance fit with the cylinder body of the bend roller.

Further preferably, each sliding support is correspondingly and movably sleeved on a corresponding sliding way, a positioning plate is fixedly arranged on the outer side edge of each sliding way, a screw rod of the tensioning bolt is in threaded fit with the corresponding positioning plate, and the end part of the screw rod of the tensioning bolt penetrating through the positioning plate is in compression fit with the corresponding sliding support.

The utility model also provides a short-range belt conveyor, which comprises the head device, the tail device and the belt of the short-range belt conveyor, wherein two ends of the belt are covered on a driving roller of the head device and a bend roller of the tail device, the middle part of the belt is supported on a carrier roller and a middle roller, and the belt moves through a driving motor.

Further preferably, the short-range belt conveyor further comprises at least one H-shaped bracket, wherein the upper part and the middle part of each H-shaped bracket are respectively provided with a middle roller in a rotating way, and the upper part and the lower part of the belt are respectively connected with the corresponding middle rollers.

Compared with the prior art, the short-distance belt conveyor and the head and tail devices thereof provided by the utility model have the following gain effects:

1. the machine head device is simple, short and small, meets the requirements of short layout and low lap joint height of the middle joint roadway, and is suitable for the roadway with special low and installation requirements;

2. the conveying capacity of the belt is higher than that of the scraper, so that the requirement of high conveying capacity of the intermediate roadway is met;

3. the maintenance and the installation are convenient, the manufacturing period is short, and the method is economical and practical;

4. the belt speed of the belt conveyor in other roadways can be synchronous and unified, and accidents such as coal piling and the like are reduced;

5. the machine head is simple and applicable, the driving roller is a transmission roller and a coal unloading roller, and the height and the length of the machine head are controlled by one roller and two rollers;

6. the tensioning device is improved into two tensioning bolts by a previous tensioning winch device, the tensioning bolts are arranged at the tail of the conveyor, and the size of the machine head is controlled;

7. the bend drum at the tail of the machine can adjust the bend drum to deviate and tension the belt by using the tension device, so that the conveyor can run stably.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art coal flow system connection;

FIG. 2 is a schematic diagram of a machine head structure of a conventional 800-meter belt conveyor or 1-meter belt conveyor;

FIG. 3 is a schematic diagram of the overall structure connection of the present utility model;

FIG. 4 is a front view of the handpiece assembly of the present utility model;

FIG. 5 is a bottom view of the handpiece assembly of the present utility model;

FIG. 6 is a front view of the tail device of the present utility model;

fig. 7 is a top view of the tail device of the present utility model.

In the figure: a-a heading machine; b, tunneling a roadway; c-a first major lane; d-an intermediate linkage d; e-a second major lane; 1-a driving roller; 2-a belt head base; 3-a coal unloading dustpan; 4-an intermediate drum; 5-a carrier roller bracket; 6-supporting frames; 7-a direction-changing drum; 8-a slideway; 9-sliding support; 10-a belt tail stock; 11-a drive motor; 12-tensioning bolts; a 13-H type bracket; 14-bending the plate; 15-positioning plates; 21-a coal unloading roller; 22-speed reducer; 23-active sports car; 24-a tape storage bin rack; 25-wire rope; 26-tensioning winch.

Detailed Description

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms "upper", "lower", "inner", "outer", "front end", "rear end", etc., are directions or positional relationships based on those shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model, and furthermore, unless otherwise explicitly specified and defined, terms "mounted", "connected", "arranged" should be construed broadly, and may be fixedly connected, or may be detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a machine head and machine tail device of a short-distance belt conveyor, which comprises a machine head device and a machine tail device; the machine head device comprises a belt head base 2, wherein an active roller 1 is rotatably arranged on the belt head base 2, the active roller 1 is connected with the output end of a driving motor 11, a coal unloading dustpan 3 is arranged on the belt head base 2 positioned at the front end of the active roller 1, a support frame 6 is arranged on the belt head base 2 positioned at the rear end of the active roller 1, a carrier roller bracket 5 is arranged on the support frame 6, a carrier roller is rotatably arranged on the carrier roller bracket 5, the rear end of the active roller 1 is connected with the carrier roller through an upper belt thereof, the rear end of the active roller 1 is connected with a middle roller 4 through a lower belt thereof, and the middle roller 4 is positioned on the belt head base 2 below the support frame 6; the tail device comprises a belt tail frame 10 and a direction-changing drum 7, two parallel slide ways 8 are arranged on the belt tail frame 10, a sliding support 9 is arranged on each slide way 8 in a limiting sliding mode, two ends of the direction-changing drum 7 are respectively connected to the corresponding sliding support 9 in a rotating mode, tensioning bolts 12 are respectively arranged on the side edges of each slide way 8 in a rotating mode, and the end portions of the tensioning bolts 12 can be in press fit with the corresponding sliding support 9.

In specific implementation, as shown in fig. 4 and 5, the machine head device of the short-distance belt conveyor starts the driving motor 11 to drive the driving roller 1 to rotate, the belt thereon moves along with the driving roller, the supporting frame 6 is arranged on the belt head base 2 (the length of the actual belt head base is set to 2 meters, the overall height from the driving roller 1 to the belt head base 2 is set to 0.8 meter), the height of the carrier roller on the carrier roller bracket 5 is greater than that of the driving roller 1 (the overall height from the carrier roller to the belt head base 2 is set to 1 meter actually), the carrier roller and the middle roller 4 increase the outer wrapping angle of the driving roller 1, improve friction force, facilitate coal unloading and prevent belt slipping.

The tail device of the short-distance belt conveyor is characterized in that as shown in fig. 6 and 7, the direction-changing drum 7 rotates on the sliding support 9, two tensioning bolts 12 are adjusted to rotate to be in press fit with the sliding support 9, the effect of tensioning the belt is achieved, the two sliding supports 9 are kept on the same central line, the direction-changing drum 7 on the sliding support 9 is always perpendicular to the running direction of the belt, and the conveyor runs stably. When the direction-changing drum 7 at the tail of the machine deflects, the corresponding tensioning bolts 12 are adjusted to enable the corresponding sliding support 9 to slide on the slideway 8 for a certain distance, the sliding support 9 slides to be positioned at the same center line with the other sliding support 9, and the belt on the direction-changing drum 7 is still in a tensioning state.

In specific implementation, as shown in fig. 3 and 4, one end of the coal unloading dustpan 3, far away from the driving roller 1, is arranged in a downward inclined manner, the coal blocks are conveyed to the machine head on the belt, drop from the belt under the action of inertia, fall onto the coal unloading dustpan 3, and the inclined coal unloading dustpan 3 is convenient for unloading coal. In actual operation, a scraping plate can be arranged on the belt head base 2 at the lower part of the driving roller 1, so that coal blocks on the belt on the driving roller 1 can be further cleaned, and all the coal blocks fall into the coal unloading dustpan 3.

Specifically, as shown in fig. 3 and 6, a bending plate 14 is arranged on the slide ways 8 positioned at the front end of the bend drum 7, a straight plate of the bending plate 14 is fixedly arranged between the two slide ways 8 positioned at the front end of the bend drum 7, and the free end of the inclined plate of the bending plate 14 is in clearance fit with the cylinder body of the bend drum 7. The bend roller 7 rotates on the sliding support 9, and when the bend plate 14 is contacted with the inclined plate and continuously rotates under the driving action of the belt, the inclined plate of the bend plate 14 cleans materials and dust attached to the bend roller 7. Because dust, materials and the like often adhere to the bend drum 7 in the field environment, the bend plate 14 cleans the bend drum, so that the normal operation of the conveyor is ensured, and the service life of the conveyor is prolonged.

Specifically, as shown in fig. 6, each sliding support 9 is correspondingly and movably sleeved on the corresponding sliding way 8, and a positioning plate 15 is fixedly arranged on the outer side edge of each sliding way 8, the screw rod of the tensioning bolt 12 is in threaded fit with the corresponding positioning plate 15, and the end of the screw rod of the tensioning bolt 12 penetrating through the positioning plate 15 is in compression fit with the corresponding sliding support 9. The positioning plate 15 is arranged to limit the sliding position of the front end of the sliding support 9 on the slideway 8, and the corresponding sliding support 9 is adjusted by rotating the tensioning bolt 12, so that the belts on the two sliding supports 9 are tensioned; when the sliding support 9 is deviated, the sliding support 9 can be reset by adjusting the tensioning bolt 12.

As shown in fig. 3, the utility model also provides a short-range belt conveyor, which comprises the head device, the tail device and the belt of the short-range belt conveyor, wherein two ends of the belt are covered on a driving roller 1 of the head device and a direction-changing roller 7 of the tail device, the middle part of the belt is supported on a carrier roller and a middle roller 4, and the belt moves through a driving motor 11. The short-distance belt conveyor refitted by the machine head and the machine tail device provided by the utility model has the advantages that the machine head device is 0.8-1 m high, 2 m long, simple and short, and the requirements of short middle lane layout, low lap joint height and high transportation capability are met.

In specific implementation, as shown in fig. 3, the short-distance belt conveyor further comprises at least one H-shaped bracket 13 (three H-shaped brackets 13 are actually arranged as shown in fig. 3, and the number of the H-shaped brackets can be adjusted according to actual conditions), wherein middle rollers are respectively rotatably arranged at the upper part and the middle part of each H-shaped bracket 13, and the upper part and the lower part of the belt are respectively connected with the corresponding middle rollers. The H-shaped bracket 13 and the middle roller arranged on the H-shaped bracket are used for supporting the belt and reducing friction to the belt.

According to the utility model, the head and tail of the belt conveyor are modified, and the driving roller 1 is used as a transmission roller and also used as a coal unloading roller, so that the original structure is simplified; the direction-changing drum 7 is arranged on the sliding support 9 by utilizing the sliding block principle, and the sliding support 9 can slide on the slideway 8; the tensioning device is improved and arranged at the tail part, the belt is tensioned by two tensioning bolts 12, and the tensioning bolts 12 can be adjusted to reset when the bend drum 7 is deviated; the control machine head device is simple and short, and meets the requirements of short layout, low lap joint height and high transportation capability of the intermediate roadway; and the manufacturing period is short, economical and practical.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The machine head and machine tail device of the short-range belt conveyor is characterized by comprising a machine head device and a machine tail device;

the machine head device comprises a belt head base (2), wherein a driving roller (1) is rotatably arranged on the belt head base (2), the driving roller (1) is connected with the output end of a driving motor (11), a coal unloading dustpan (3) is arranged on the belt head base (2) positioned at the front end of the driving roller (1), a supporting frame (6) is arranged on the belt head base (2) positioned at the rear end of the driving roller (1), a carrier roller bracket (5) is arranged on the supporting frame (6), a carrier roller is rotatably arranged on the carrier roller bracket (5), the rear end of the driving roller (1) is connected with the carrier roller through an upper belt of the driving roller, an intermediate roller (4) is connected with the rear end of the driving roller (1) through a lower belt of the driving roller, and the intermediate roller (4) is positioned on the belt head base (2) below the supporting frame (6);

the machine tail device comprises a belt tail frame (10) and a direction-changing drum (7), two parallel slide ways (8) are arranged on the belt tail frame (10), a sliding support (9) is arranged on each slide way (8) in a limiting sliding mode, two ends of the direction-changing drum (7) are respectively connected to the corresponding sliding support (9) in a rotating mode, tensioning bolts (12) are respectively arranged on the side edges of each slide way (8) in a rotating mode, and the end portions of the tensioning bolts (12) can be in compression fit with the corresponding sliding support (9).

2. The machine head and tail device of the short-distance belt conveyor according to claim 1, wherein one end of the coal unloading dustpan (3) far away from the driving roller (1) is arranged in a downward inclined mode.

3. The machine head and machine tail device of the short-distance belt conveyor according to claim 1, characterized in that a bending plate (14) is arranged on a slide way (8) positioned at the front end of the bend drum (7), a straight plate of the bending plate (14) is fixedly arranged between the two slide ways (8) positioned at the front end of the bend drum (7), and the free end of the inclined plate of the bending plate (14) is in clearance fit with a cylinder body of the bend drum (7).

4. The machine head and machine tail device of the short-distance belt conveyor according to claim 1, wherein each sliding support (9) is correspondingly and movably sleeved on the corresponding sliding way (8), a positioning plate (15) is fixedly arranged on the outer side edge of each sliding way (8), a screw rod of the tensioning bolt (12) is in threaded fit with the corresponding positioning plate (15), and the end part of the screw rod of the tensioning bolt (12) penetrating through the positioning plate (15) is in compression fit with the corresponding sliding support (9).

5. The short-range belt conveyor is characterized by comprising a machine head device, a machine tail device and a belt of the short-range belt conveyor disclosed in claim 1, wherein two ends of the belt are covered on a driving roller (1) of the machine head device and a direction-changing roller (7) of the machine tail device, the middle part of the belt is supported on a carrier roller and a middle roller (4), and the belt moves through a driving motor (11).

6. The short-range belt conveyor according to claim 5, further comprising at least one H-shaped bracket (13), wherein an upper portion and a middle portion of each H-shaped bracket (13) are rotatably provided with intermediate rollers, respectively, and wherein an upper portion and a lower portion of the belt are coupled with the respective intermediate rollers, respectively.

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