CN118289429A - Belt conveyor for narrow roadway - Google Patents

Abstract

The invention discloses a belt conveyor for a narrow roadway, which comprises frames, wherein carrier roller units are assembled and connected between the frames; a plurality of supporting units are paved at the lower end and the two sides of the frame; the belt conveyor of the narrow tunnel further comprises a sliding plate unit, and the belt conveyor of the narrow tunnel further comprises a plurality of moving units arranged at the rear end positions of the carrier roller units; the belt conveyor in the narrow tunnel further comprises a plurality of pushing units arranged at the front end part of the frame; the pushing units comprise pushing frames, pushing rails are fixedly connected to two ends of each pushing frame, and fixing seats are paved on two sides of the lower end of each pushing frame; the support unit is fixedly assembled and connected with a connecting column, and a pushing cylinder is fixedly connected between the pushing rail and the connecting column. The belt conveyor is adjusted in a telescopic mode continuously, so that the belt conveyor is convenient to convey materials, and conveying operation in a narrow roadway can be met with greater flexibility.

Description

Belt conveyor for narrow roadway

Technical Field

The invention belongs to the technical field of belt conveyors, and particularly relates to a belt conveyor for a narrow roadway.

Background

The belt conveyor is mainly used for transporting raw coal and gangue in a coal mine tunneling roadway, is a rudiment of a modern bucket elevator and a scraper conveyor, is a main mode of conveying current bulk materials, is widely applied to underground coal mining working faces of coal mines along with development of scientific technology and new coal mining technology, is gradually lengthened in length, is increased in yield, is too narrow in roadway of some underground working faces, is not arranged with a large-width conveyor, is not satisfied with conveying capacity of the small-width conveyor, and is a bottleneck restricting coal mine production due to external transportation of raw coal after coal cutting of the coal mining machine.

Based on the above, the Chinese patent publication No. CN215624585U discloses a double-layer conveying belt conveyor for narrow roadways, and in the technical scheme disclosed in the patent document, the following structure is adopted for double-layer conveying;

The double-layer conveying belt conveyor comprises a headstock and supporting legs; the upper carrier roller and the lower carrier roller are respectively arranged on the supporting legs; the two adhesive tapes are respectively arranged on the outer surfaces of the upper carrier roller and the lower carrier roller; the middle frame is arranged on the two adhesive tapes; the upper layer driving roller and the lower layer driving roller are arranged on the headstock.

In the technical scheme disclosed in the patent, when the roadway is too narrow, the problem that the roadway is too narrow can be solved by the two layers of adhesive tapes, the quantity and the efficiency of conveying materials are not affected, the practicability of the conveyor is further improved, but the applied structure can only be kept in a certain range and cannot be prolonged in a larger range; and two adjacent sections of machine bodies and the ground rail are all connected by adopting bolts, and each section of machine body is added, one set of bottom lifting jack is needed to be assembled again, so that the assembly is troublesome, and in a fluctuant roadway, the machine body or the ground rail is easy to form overhead along with the gradient change of the roadway ground, so that the operation stability of equipment is influenced.

Disclosure of Invention

Based on the above background, it is an object of the present invention to provide a belt conveyor for narrow lanes.

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

The belt conveyor in the narrow roadway comprises a frame, wherein carrier roller units are assembled and connected between the frames;

a plurality of supporting units are paved on two sides of the lower end of the frame;

The belt conveyor of the narrow roadway further comprises a sliding plate unit arranged at the front end of the carrier roller unit, and the belt conveyor of the narrow roadway further comprises a plurality of moving units arranged at the rear end of the carrier roller unit;

the belt conveyor of the narrow roadway further comprises a plurality of pushing units arranged at the front end part of the frame;

The pushing units comprise pushing frames, pushing rails are fixedly connected to two ends of each pushing frame, and fixing seats are paved on two sides of the lower end of each pushing frame;

The support unit is fixedly assembled and connected with a connecting column, and a pushing cylinder is fixedly connected between the pushing rail and the connecting column;

The working principle process is as follows:

In the realization working process, can adjust belt conveyor, specifically through the working process in, the frame is placed on the working plane, and the bottom surface of supporting element, guide rail does not contact with the working plane, when beginning the removal, through the piston rod downward movement of hydraulic control valve control pushing cylinder, pushes away the track bottom surface on the working plane. Then the piston rod of the pushing support cylinder continues to move, the piston rod gives the cylinder barrel reverse acting force, so that the pushing cylinder works and simultaneously drives the mounting frame body fixedly connected with the pushing cylinder to move, and the working face is lifted off. One end fixed on the guide rail of the pushing track is used as a fulcrum, and the end fixed with the mounting frame body stretches to move so as to push the frame and the moving unit to move towards the head of the tail.

When the pulley moves by a pushing stroke or a designated position, pushing, pulling and moving are stopped, the hydraulic control valve is controlled to lift the guide rail to move again, the piston rod of the supporting oil cylinder is contracted upwards, the mounting frame body is firstly and stably dropped on the working plane, then the piston rod of the supporting oil cylinder is further contracted, the guide rail is lifted away from the working plane, one end of the pushing rail fixed on the frame 1 is used as a fulcrum, one end of the supporting unit fixed is contracted to move, the supporting unit is pulled to move towards the direction of the tail head, when the supporting unit slides to a pushing stroke or a designated position, sliding is stopped, and the steps are circulated, so that the movement work of the conveyor is continuously regulated.

The belt conveyor is continuously adjusted in a telescopic mode, so that the belt conveyor is convenient to convey materials, and conveying operation in a narrow roadway can be met with greater flexibility.

Preferably, the frame includes a plurality of end to end's mounting bracket body, be connected with the crossbeam jointly between the inner wall of mounting bracket body both sides, the equal fixed connection bearing roller unit of upper end of crossbeam.

Preferably, the carrier roller unit comprises a plurality of carrier roller pieces and a vertical frame;

the upright frames are arranged in the length direction of the mounting frame body, and deviation rectifying grooves are formed in the side walls of the upright frames, which face each other;

the carrier roller spare is assembled on the inside wall of mounting bracket body.

Preferably, the sliding plate unit comprises a bracket and a sliding strip, wherein the bracket is symmetrically and fixedly arranged at two ends of the mounting frame body along the width direction;

the slide bar is fixedly paved at the upper end position of the bracket.

Preferably, a buffer assembly is assembled and connected between the lower end of the bracket and the mounting frame body, the buffer assembly comprises a stand column, the stand column is sleeved with a spring, and the upper end of the stand column penetrates through the bracket;

the upper end assembly of stand is connected with the fixed plate, the lower extreme of stand runs through the mounting bracket body, the lower extreme assembly of stand is connected with the fixed plate down.

Preferably, the mobile unit is located outside the frame;

the mobile unit comprises a mounting cavity, wherein the mounting cavity is provided with an opening end; the opening end of the mounting cavity is connected with a cover plate;

The inner cavity of the installation cavity is provided with a supporting oil cylinder, the lower end of the supporting oil cylinder is connected with a connecting seat, the inner sides of the front end and the rear end of the connecting seat are fixedly connected with sliding seats, and the two ends of the sliding seats are respectively provided with pulleys.

Preferably, two ends of the outer side of the installation cavity are fixedly connected with supporting frames, and two supporting frames are connected with cable trunking.

Preferably, the supporting units comprise lower guide rails, a bracket is fixedly connected to the center of the upper end of each lower guide rail, and a conical guide surface matched with the pulley is fixedly connected to the upper end of each bracket;

The distance between the sliding seats at the two sides is smaller than the width of the conical guide rail surface.

Preferably, the tail unit is installed to the end of frame, the tail unit includes the tail frame, organic tail cover, collection mud seat, cylinder are installed to the upper end of tail frame.

Preferably, the inner cavity of the tail cover is provided with a mud collecting seat, the mud collecting seat is communicated with the outside, and the mud collecting seat is communicated with a roller.

The invention has the following beneficial effects:

1. In the realization working process, can adjust belt conveyor, specifically through the working process in, the frame is placed on the working plane, and the bottom surface of supporting element, guide rail does not contact with the working plane, when beginning the removal, through the output downward movement of hydraulic control valve control pushing cylinder, pushes away the track bottom surface on the working plane. Then the output shaft of the pushing support cylinder continues to move, the piston rod gives the cylinder barrel reverse acting force, so that the pushing cylinder works and simultaneously drives the mounting frame body fixedly connected with the pushing cylinder to move, and the working face is lifted off. One end fixed on the guide rail of the pushing track is used as a fulcrum, and the end fixed with the mounting frame body stretches to move so as to push the frame and the moving unit to move along the supporting unit towards the direction of the tail head.

When the pulley moves by a pushing stroke or a designated position, pushing, pulling, sliding and stopping are performed, the hydraulic control valve is controlled to lift the guide rail to move again, the piston rod of the supporting oil cylinder is contracted upwards, the mounting frame body is firstly stably dropped on the working plane, then the piston rod of the supporting oil cylinder pushes the track to further contract, the guide rail is lifted off the working plane, one end of the pushing track fixed on the frame 1 serves as a fulcrum, one end of the supporting unit is contracted to move, the supporting unit is pulled to move towards the tail part, when the supporting unit slides to a pushing stroke or a designated position, sliding is stopped, and the steps are circulated, so that the continuous adjustment of the (moving) operation of the conveyor is realized.

The belt conveyor is continuously adjusted in a telescopic mode, so that the belt conveyor is convenient to convey materials, and conveying operation in a narrow roadway can be met with greater flexibility.

2. The improved carrier roller unit realizes that the carrier roller piece is installed on the carrier roller frame relative to the traditional mode, but directly lays on the crossbeam, uses the crossbeam as the installation beam of the carrier roller frame, uses the side wall of the installation frame body as the fixing frame, reduces redundant structural installation, realizes the reduction of the width of the traditional belt conveyor, and is suitable for narrower roadways.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Fig. 2 is a schematic structural view of a carrier roller unit according to an embodiment of the present invention;

FIG. 3 is a schematic view of an installation structure of a skateboard unit according to an embodiment of the present invention;

FIG. 4 is a schematic view of a supporting unit according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a pushing unit according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a tail unit according to an embodiment of the present invention;

FIG. 7 is a schematic view of a buffer assembly according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a mobile unit according to an embodiment of the present invention;

Fig. 9 is a schematic structural view of a pushing unit according to an embodiment of the present invention.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

Example 1

As shown in fig. 1-9, the embodiment discloses a belt conveyor for a narrow roadway, which comprises a frame 1, a plurality of carrier roller units 2, a sliding plate unit 3, a plurality of moving units 4, a plurality of pushing units 5, a tail unit 6 and a plurality of supporting units 7, wherein the carrier roller units 2 are arranged on the frame 1.

Referring also to fig. 1-2, the frame 1 is constructed as follows:

The frame 1 comprises a mounting frame body 11, a cross beam 12, a fixing frame 13 and a connecting beam 14. Every adjacent mounting bracket body 11 between have certain clearance, all fixed mounting has crossbeam 12 between every section mounting bracket body 11 both sides, for the device is whole to provide rigid support, and the lateral wall upper end of every section mounting bracket body 11 is all through bolt fixedly connected with mount 13, and mount 13 is gone up to the top fixed mounting of every group mount 13, the holistic stability of device has effectually been improved.

The carrier roller unit 2 is equipped with a plurality of groups, all is located the upper position of crossbeam 12, and the concrete structure of carrier roller unit 2 is:

The carrier roller unit 2 includes carrier roller spare 21, grudging post 22, and grudging post 22 sets up the quantity and is the multiunit setting, and every grudging post 22 is all fixed in crossbeam 1 both sides, and a plurality of groove of rectifying has all been seted up to the level on the corresponding one side of two grudging posts 22 (specifically, the quantity that rectifies the groove setting has at least three, has the contained angle setting between two adjacent rectifying groove central axes), and the equal fixed joint in rectifying inslot in both ends of carrier roller spare 21.

The middle position of the carrier roller piece 21 is fixedly connected with the cross beam 12, and when the belt is deviated, the function of correcting the belt can be realized by adjusting the positions of a plurality of correction grooves; the belt is enabled to be subjected to force opposite to the deviation direction of the belt through the adjustment, and then the belt is enabled to return to the correct position, and the deviation of the transmission belt is timely and quickly corrected in the transmission process.

In the above-mentioned structure, install the bearing roller spare on the bearing roller frame for traditional mode, but directly lay on crossbeam 2, regard crossbeam 2 as the installation roof beam, regard the lateral wall of mounting bracket body 11 as the mount, reduced unnecessary structural installation, realized reducing traditional belt conveyor's width, made it be applicable to narrower tunnel.

Example 2

As shown in fig. 1 to 9, in this embodiment, based on the structure of embodiment 1, the above-mentioned slide units 3 are all fixedly mounted on the width direction of the mounting frame 11, and the specific structure of the slide units 3 is as follows:

the sliding plate unit 3 comprises a bracket 31 and sliding strips 32, wherein the bracket 31 is fixedly erected between the side walls of the two sides of the mounting frame body 11, the whole body is V-shaped, a supporting and buffering structure of a belt is formed, and the sliding strips 32 are fixedly installed on the bracket 31 through bolt fastening.

In this embodiment, the inboard of every section mounting bracket body 11 all adopts head and tail installation bearing roller unit 2, installs the mode of slide unit 3 between two bearing roller units 2, the effectual stability when improving the belt motion.

Example 3

As shown in fig. 1 to 9, in this embodiment, on the basis of the structure of embodiment 2, a plurality of buffer assemblies 9 are commonly connected between the bracket 31 and the mounting frame 11, and the specific structure of the buffer assemblies 9 is as follows:

The buffer assembly 9 comprises an upper fixing plate 91, a lower fixing plate 92, a column 93 and a column 93, wherein the upper fixing plate 91 is integrally of a rectangular structure and is arranged at the upper end of the bracket 31, the lower fixing plate 92 is integrally of a rectangular structure and is arranged at the lower end of the mounting frame body 11, the column 93 sequentially penetrates through the upper fixing plate 91, the bracket 31, the lower fixing plate 92 and the mounting frame body 11 from top to bottom to extend to the lower end and be fixedly connected with the screw hole in a screwed manner, the column 93 is positioned at the upper end part of the bracket 31 and is also connected with the screw hole in a screwed manner, a spring 94 is sleeved on the outer side of the column 93, the spring 94 is positioned between the bracket 31 and the mounting frame body 11, the buffer property between the sliding plate unit 3 and the frame 1 is effectively improved, and the service life of the buffer assembly is prolonged.

Example 4

As shown in fig. 1-9, in this embodiment, on the basis of the structure of embodiment 3, the above-mentioned mobile units 4 are provided with a plurality of mobile units, and are all installed at two ends of the outer side of the frame 1, the mobile units 4 include a mounting cavity 41, a cover plate 42, a supporting cylinder 43, a connecting seat 44, a sliding seat 45, a pulley 46, and a supporting frame 47, the whole mounting cavity 41 is a cavity with a three-surface opening structure, the opening end of the mounting cavity 41 is fixedly connected with the cover plate 42, the whole cover plate 42 is of a rectangular structure, and the cover plate 42 is in screwed connection with the cover plate 42 through bolts.

The supporting oil cylinder 43 is fixed in the inner cavity of the mounting cavity 41, and the lower end of the supporting oil cylinder 43 is rotationally connected with a pin shaft in the connecting seat 44, so that the angle of the supporting oil cylinder 43 can be adjusted, and the practicability of the application is effectively improved.

The sliding seats 45 are provided with a group of L-shaped structures, and are respectively arranged at the front end and the rear end of the connecting seat 44, and the two ends of a space formed by surrounding the two sliding seats 45 are respectively provided with 1 pulley 46.

The support frame 47 is equipped with a plurality of, and every group support frame 47 is equal welded fastening in the outside both sides of installation cavity 41, and two support frames 47 form "V" type structure, and the upper end of multiunit support frame 47 all is connected with cable duct 8 jointly, and the inboard at cable duct 8 is all arranged to the pipeline of a plurality of laying cable lines.

The supporting unit 7 is equipped with a plurality of all lays in the lower extreme both sides of frame 1, all has certain clearance between every supporting unit 7, and supporting unit 7 includes lower guide rail 71, support 72, toper guide rail face 73, and lower guide rail 71 is whole "rectangle" structure, and lower guide rail 71 upper end central point puts fixedly connected with support 72, and the upper end fixedly connected with toper guide rail face 73 of support 72, toper guide rail face 73 are "toper" structure with pulley 46 assorted for pulley 46 drives mounting bracket body 11 and slides on toper guide rail face 73.

The distance between the two sliding seats 45 is smaller than the width of the conical guide surface 73, so that the supporting cylinder 43 drives the supporting unit 7 to move together integrally when being lifted.

Example 5

As shown in fig. 1-9, in this embodiment, on the basis of the structure of embodiment 3, the pushing unit 5 is located at the tail portion of the frame 1, the pushing unit 5 includes a pushing frame 51, a fixing seat 52, a pushing rail 53, a pushing cylinder 54, and a connecting column 55, the pushing frame 51 is erected at the upper end of the frame 1, the two ends of the outer side of the pushing frame 51 are provided with moving units 4, the lower ends of the two sides of the pushing frame 51 are both paved with the fixing seat 52, the two ends of the outer side of the pushing frame 51 are both fixedly connected with the pushing rail 53, meanwhile, the plurality of supporting units 7 are fixedly provided with the connecting column 55, and the pushing cylinder 54 is fixedly connected between the pushing rail 53 and the connecting column 55.

According to the conventional hydraulic control mode, the supporting unit 7 is pushed onto the working plane through the control of the hydraulic control valve, the supporting unit 7 is fastened on the working plane under the pressure of the output shaft, then the output shaft of the pushing cylinder 54 continues to move, and the output shaft applies reverse acting force to the cylinder barrel, so that the pushing cylinder 54 works.

Example 6

As shown in fig. 1-9, in this embodiment, on the basis of the structure of embodiment 5, the tail unit 6 is located at the tail end of the frame 1, the tail unit 6 includes a tail frame 61, a tail cover 62, a roller 63, and a sludge collecting seat 64, the upper end of the tail frame 61 is provided with the organic tail cover 62, the inner cavity of the tail cover 62 is provided with the sludge collecting seat 64, the sludge collecting seat 64 is communicated with the outside, and the sludge collecting seat 64 is simultaneously communicated with the roller 63, so that sludge generated during working under a mine is effectively collected and discharged.

Example 7

As shown in fig. 1 to 9, the present embodiment discloses the working principle of a belt conveyor in a narrow roadway, specifically, the working principle is:

Before the belt conveyor works, the frame is placed on a working plane, the bottom end surfaces of the supporting unit 7 and the fixed seat 52 are not contacted with the working plane, when the belt conveyor starts to move, a worker controls the output end of the pushing oil cylinder 54 to move downwards through the hydraulic control valve to push the fixed seat 52 to the working plane, then the output shaft of the pushing oil cylinder 54 continues to move, the output shaft gives the cylinder barrel reverse acting force to enable the pushing oil cylinder 54 to work, meanwhile, the mounting frame body 11 fixedly connected with the pushing oil cylinder 54 is driven to move, so that the belt conveyor is lifted off the working plane, the hydraulic control valve controls the pushing rail 53 to continue to move, one end of the pushing rail 53 fixed on the fixed seat 52 serves as a fulcrum, and one end of the mounting frame body 11 is stretched to move, and then the frame 1 and the moving unit 4 are pushed to move along the supporting unit 7 towards the tail part.

When the pulley 46 moves to the specified position, the sliding stops, the hydraulic control valve is controlled again to lift the pushing rail 53 for movement, the output shaft of the pushing rail 53 is contracted upwards, the mounting frame body 11 is firstly and stably landed on the working plane, then the output shaft of the pushing rail 53 is further contracted, the fixing seat 52 is lifted away from the working plane, one end of the pushing rail 53 fixed on the frame 1 serves as a fulcrum, one end of the supporting unit 7 fixed is contracted for movement, the supporting unit 7 is pulled to move towards the direction of the tail part, and when the supporting unit 7 slides to the specified position, the sliding stops, and the steps are repeated continuously. The belt conveyor is adjusted in a telescopic mode continuously, so that the belt conveyor is convenient for conveying matched materials, and conveying operation in a narrow roadway is met with greater flexibility.

It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.

Claims (10)

1. The belt conveyor for the narrow roadway is characterized by comprising racks, wherein carrier roller units are assembled and connected between the racks;

a plurality of supporting units are paved on two sides of the lower end of the frame;

The belt conveyor of the narrow tunnel further comprises a sliding plate unit, and the belt conveyor of the narrow tunnel further comprises a plurality of moving units arranged at the rear end positions of the carrier roller units;

the belt conveyor of the narrow roadway further comprises a plurality of pushing units arranged at the front end part of the frame;

The pushing units comprise pushing frames, pushing rails are fixedly connected to two ends of each pushing frame, and fixing seats are paved on two sides of the lower end of each pushing frame;

the support unit is fixedly assembled and connected with a connecting column, and a pushing oil cylinder is fixedly connected between the pushing track and the connecting column.

2. The belt conveyor in a narrow roadway according to claim 1, wherein the frame comprises a plurality of mounting frame bodies connected end to end, cross beams are connected between inner walls on two sides of the mounting frame bodies together, and upper ends of the cross beams are fixedly connected with carrier roller units.

3. The belt conveyor for a narrow roadway of claim 2, wherein the idler unit comprises a plurality of idler members and an upright;

the upright frames are arranged in the length direction of the mounting frame body, and deviation rectifying grooves are formed in the side walls of the upright frames, which face each other;

the carrier roller spare is assembled on the inside wall of mounting bracket body.

4. The belt conveyor for a narrow roadway according to claim 2, wherein the slide plate unit includes a bracket and a slide bar, the bracket being symmetrically and fixedly installed at both ends of the mounting frame body in the width direction;

the slide bar is fixedly paved at the upper end position of the bracket.

5. The belt conveyor in a narrow roadway of claim 2, wherein a buffer assembly is assembled and connected between the lower end of the bracket and the mounting frame body, the buffer assembly comprises a stand column, the stand column is sleeved with a spring, and the upper end of the stand column penetrates through the bracket;

the upper end assembly of stand is connected with the fixed plate, the lower extreme of stand runs through the mounting bracket body, the lower extreme assembly of stand is connected with the fixed plate down.

6. The belt conveyor of claim 1, wherein the mobile unit is located outside of the frame;

the mobile unit comprises a mounting cavity, wherein the mounting cavity is provided with an opening end; the opening end of the mounting cavity is connected with a cover plate;

the inner cavity of the installation cavity is provided with a supporting oil cylinder, the lower end of the supporting oil cylinder is connected with a sliding seat, and two ends of the sliding seat are respectively provided with a pulley.

7. The belt conveyor in a narrow roadway of claim 6, wherein two ends of the outer side of the installation cavity are fixedly connected with supporting frames, and two supporting frames are connected with cable trunking.

8. The belt conveyor in a narrow roadway according to claim 6, wherein the supporting units comprise lower guide rails, a bracket is fixedly connected to the center of the upper ends of the lower guide rails, and a conical guide surface matched with the pulleys is fixedly connected to the upper ends of the bracket;

The distance between the sliding seats at the two sides is smaller than the width of the conical guide rail surface.

9. The belt conveyor in a narrow roadway of claim 6, wherein the tail unit is mounted at the tail end of the frame, the tail unit comprises a tail frame, and an organic tail cover, a mud collecting seat and a roller are mounted at the upper end of the tail frame.

10. The belt conveyor in a narrow roadway of claim 9, wherein a sludge collection seat is mounted in the inner cavity of the tail cover, the sludge collection seat is communicated with the outside, and a roller is communicated with the sludge collection seat.