CN118289429A - A belt conveyor for narrow lanes - Google Patents

Abstract

The present invention discloses a belt conveyor for narrow lanes, comprising a frame, wherein roller units are assembled and connected between the frames; a plurality of support units are laid at the lower end and both sides of the frame; the belt conveyor for narrow lanes also includes a slide unit, and the belt conveyor for narrow lanes also includes a plurality of moving units arranged at the rear end of the roller units; the belt conveyor for narrow lanes also includes a plurality of push units arranged at the front end of the frame; the push units all include a push frame, both ends of the push frame are fixedly connected with push rails, and both sides of the lower end of the push frame are laid with fixed seats; the support unit is fixedly assembled and connected with a connecting column, and a push cylinder is fixedly connected between the push rail and the connecting column. The above method realizes the continuous adjustment of the belt conveyor in a telescopic manner, which is convenient for coordinating material transportation and meets the transportation operation in narrow lanes with greater flexibility.

Description

A belt conveyor for narrow lanes

Technical Field

The invention belongs to the technical field of belt conveyors, and in particular relates to a belt conveyor for narrow lanes.

Background technique

Belt conveyors are mainly used for the transportation of raw coal and gangue in coal mine tunnels. They are the prototypes of modern bucket elevators and scraper conveyors. Belt conveyors are the main method of transporting bulk materials. With the development of science and technology and new coal mining technologies, various new technologies and equipment have been widely used in underground coal mining faces in coal mines. The length of coal mining faces has gradually increased, and the output of working faces has increased. Some underground working faces have too narrow tunnels to accommodate large-width conveyors, and small-width conveyors cannot meet the transportation capacity. As a result, the transportation of raw coal after the coal mining machine cuts the coal has become a bottleneck restricting coal mine production.

Based on this, China Patent Publication No. CN215624585U discloses a double-layer conveyor belt conveyor for narrow lanes. In the technical solution disclosed in the patent document, the following structure is used for double-layer transportation;

The double-layer transport belt conveyor includes a head frame and support legs; upper rollers and lower rollers, and the upper rollers and the lower rollers are respectively arranged on the support legs; tapes, and two tapes are respectively arranged on the outer surfaces of the upper rollers and the lower rollers; an intermediate frame, and the intermediate frame is arranged on the two tapes; an upper driving roller and a lower driving roller, and the upper driving roller and the lower driving roller are both arranged on the head frame.

In the technical solution disclosed in the above patent, when the tunnel is too narrow, the two layers of tape can solve the problem of the tunnel being too narrow, and will not affect the amount and efficiency of material transportation, thereby improving the practicability of the conveyor. However, the structure applied for can only be maintained within a certain range and cannot be extended to a larger range; and the two adjacent fuselage sections and the ground rails are connected by bolts. For each additional fuselage section, a set of bottom lifting jacks needs to be reassembled, which is troublesome during assembly. Moreover, in an undulating tunnel, the fuselage or the ground rail is easily overhead as the slope of the tunnel ground changes, thereby affecting the stable operation of the equipment.

Summary of the invention

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

To achieve the above objectives, the present invention adopts the following technical solutions:

A belt conveyor for narrow lanes, comprising frames, wherein roller units are assembled and connected between the frames;

A plurality of support units are laid on both sides of the lower end of the frame;

The belt conveyor for the narrow lane further comprises a slide unit arranged at the front end of the roller unit, and the belt conveyor for the narrow lane further comprises a plurality of moving units arranged at the rear end of the roller unit;

The belt conveyor for the narrow lane also includes a plurality of push units arranged at the front end of the frame;

The pushing units all include a pushing frame, both ends of the pushing frame are fixedly connected to pushing rails, and both sides of the lower end of the pushing frame are provided with fixed seats;

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

The working principle process is as follows:

The belt conveyor can be adjusted during the working process. Specifically, during the working process, the frame is placed on the working plane, and the bottom end surfaces of the support unit and the guide rail are not in contact with the working plane. When the movement starts, the piston rod of the push cylinder is controlled by the hydraulic control valve to move downward to push the bottom surface of the track onto the working plane. Then the piston rod of the push support cylinder continues to move, and the piston rod applies a reverse force to the cylinder barrel, causing the push cylinder to work, while driving the mounting frame fixedly connected to it to move, thereby lifting it off the working surface. The end of the push track fixed on the guide rail is a fulcrum, and stretches with the end fixed to the mounting frame, thereby pushing the frame and the moving unit to move toward the tail head direction.

When the pulley moves a pushing stroke or a specified position, the pushing and pulling stops, and the hydraulic control valve is controlled to lift the guide rail to move again. The piston rod of the supporting cylinder contracts upward, first the mounting frame falls smoothly on the working plane, and then the piston rod of the supporting cylinder contracts further to lift the guide rail off the working plane, so that the end of the pushing track fixed on the frame 1 serves as a fulcrum, and the end fixed with the support unit contracts and moves, thereby pulling the support unit to move toward the tail head direction of the machine. When the support unit slides to a pushing stroke or a specified position, the sliding stops, and the above steps are repeated to realize continuous adjustment of the conveyor movement.

The above implementation continuously adjusts the belt conveyor in a telescopic manner, which is convenient for coordinating material transportation and also satisfies the transportation operation in narrow lanes with greater flexibility.

Preferably, the frame includes a plurality of mounting frames connected end to end, and a crossbeam is commonly connected between inner walls on both sides of the mounting frames, and the upper ends of the crossbeams are fixedly connected to the roller units.

Preferably, the roller unit comprises a plurality of roller members and a stand;

The vertical frames are arranged in the length direction of the mounting frame, and the side walls of the vertical frames facing each other are provided with deviation correction grooves;

The roller member is assembled on the inner side wall of the mounting frame.

Preferably, the slide plate unit comprises a bracket and a slide bar, and the bracket is symmetrically fixedly mounted at two ends of the mounting frame along the width direction;

The slide bar is fixedly laid on the upper end of the bracket.

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

The upper end of the column is assembled and connected with an upper fixing plate, the lower end of the column passes through the mounting frame, and the lower end of the column is assembled and connected with a lower fixing plate.

Preferably, the mobile unit is located outside the frame;

The mobile unit comprises a mounting cavity, and the mounting cavity has an open end; the open end of the mounting cavity is connected to a cover plate;

A supporting oil cylinder is installed in the inner cavity of the installation cavity, the lower end of the supporting oil cylinder is connected to a connecting seat, the inner sides of the front and rear ends of the connecting seat are fixedly connected to sliding seats, and both ends of the sliding seat are equipped with pulleys.

Preferably, both ends of the outer side of the installation cavity are fixedly connected with support frames, and the two support frames are connected with cable troughs.

Preferably, the support units all include a lower guide rail, a bracket is fixedly connected to the center position of the upper end of the lower guide rail, and a conical guide rail surface adapted to the pulley is fixedly connected to the upper end of the bracket;

The distance between the sliding seats on both sides is smaller than the width of the tapered guide rail surface.

Preferably, a tail unit is installed at the end of the frame, and the tail unit includes a tail frame, and a tail cover, a mud collecting seat, and a roller are installed on the upper end of the tail frame.

Preferably, a mud collecting seat is installed in the inner cavity of the tail cover, the mud collecting seat is connected with the outside, and the mud collecting seat is connected with a roller.

The present invention has the following beneficial effects:

1. The belt conveyor can be adjusted during the working process. Specifically, during the working process, the frame is placed on the working plane, and the bottom end surfaces of the support unit and the guide rail are not in contact with the working plane. When the movement starts, the output end of the push cylinder is controlled by the hydraulic control valve to move downward, pushing the bottom surface of the track onto the working plane. Then the output shaft of the push support cylinder continues to move, and the piston rod gives the cylinder barrel a reverse force, causing the push cylinder to work, while driving the mounting frame fixedly connected to it to move, thereby lifting it off the working surface. The end of the push track fixed on the guide rail is the fulcrum, and stretches with the end fixed to the mounting frame, thereby pushing the frame and the moving unit to move along the support unit toward the tail head direction of the machine.

When the pulley moves a pushing stroke or a specified position, the pushing and pulling sliding stops, and the hydraulic control valve is controlled to lift the guide rail to move again. The piston rod of the supporting cylinder retracts upward, firstly the mounting frame is smoothly dropped on the working plane, and then the piston rod of the supporting cylinder pushes the piston rod of the rail to further retract, and lifts the guide rail off the working plane, so that the end of the pushing rail fixed on the frame 1 serves as a fulcrum, and the end fixed with the support unit retracts and moves, thereby pulling the support unit to move toward the tail head direction of the machine. When the support unit slides to a pushing stroke or a specified position, the sliding stops, and the above steps are repeated to realize continuous adjustment of the conveyor (movement) work.

The above implementation continuously adjusts the belt conveyor in a telescopic manner, which is convenient for coordinating material transportation and also satisfies the transportation operation in narrow lanes with greater flexibility.

2. Improve the roller unit. Instead of installing the roller parts on the roller frame in the traditional way, lay them directly on the crossbeam. Use the crossbeam as the mounting beam of the roller frame and the side wall of the mounting frame as the fixed frame. This reduces the redundant structure installation and reduces the width of the traditional belt conveyor, making it suitable for narrower lanes.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

FIG1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG2 is a schematic structural diagram of a roller unit in an embodiment of the present invention;

FIG3 is a schematic diagram of the installation structure of the slide unit in an embodiment of the present invention;

FIG4 is a schematic structural diagram of a support unit in an embodiment of the present invention;

FIG5 is a schematic structural diagram of a push unit in an embodiment of the present invention;

FIG6 is a schematic structural diagram of a tail unit according to an embodiment of the present invention;

FIG7 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention;

FIG8 is a schematic diagram of the structure of a mobile unit in an embodiment of the present invention;

FIG. 9 is a schematic diagram of the structure of the pushing unit in an embodiment of the present invention.

The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Example 1

As shown in Figures 1-9, this embodiment discloses a belt conveyor for narrow alleys, including a frame 1, a plurality of roller units 2 installed on the frame 1, a slide 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.

Referring to Figure 1-2, the structure of the rack 1 is as follows:

The frame 1 includes a mounting frame 11, a crossbeam 12, a fixing frame 13, and a connecting beam 14. There is a certain gap between each adjacent mounting frame 11, and a crossbeam 12 is fixedly installed between the two sides of each section of the mounting frame 11 to provide rigid support for the entire device. The upper end of the side wall of each section of the mounting frame 11 is fixedly connected to the fixing frame 13 by bolts, and the upper fixing frame 13 is fixedly installed on the top of each group of fixing frames 13, which effectively improves the overall stability of the device.

The roller unit 2 is provided with several groups, all of which are located above the crossbeam 12. The specific structure of the roller unit 2 is as follows:

The roller unit 2 includes a roller member 21 and a stand 22. The stand 22 is arranged in multiple groups. Each stand 22 is fixed on both sides of the beam 1. A plurality of correction grooves are horizontally opened on the corresponding sides of the two stands 22 (specifically, there are at least three correction grooves, and an angle is set between the central axes of two adjacent correction grooves). Both ends of the roller member 21 are fixedly clamped in the correction grooves.

The middle position of the roller member 21 is fixedly connected to the crossbeam 12. When the belt deviates, the belt deviation correction function can be achieved by adjusting the positions of multiple correction grooves. The belt is subjected to a force opposite to its deviation direction through adjustment, thereby returning the belt to the correct position. This method can realize timely and rapid correction of the transmission belt deviation during the transmission process.

In the above structure, compared with the traditional method of installing the roller parts on the roller frame, they are directly laid on the crossbeam 2, and the crossbeam 2 is used as the installation beam, and the side wall of the installation frame 11 is used as the fixed frame, thereby reducing the redundant structure installation and reducing the width of the traditional belt conveyor, making it suitable for narrower lanes.

Example 2

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

The slide unit 3 includes a bracket 31 and a slide bar 32. The bracket 31 is fixedly mounted between the side walls of the mounting frame 11 and is overall V-shaped to form a support and buffer structure for the belt. A plurality of slide bars 32 are fixedly mounted on the bracket 31 by bolts.

In this embodiment, each section of the mounting frame 11 is installed with roller units 2 installed at the head and tail, and a slide plate unit 3 installed between the two roller units 2, which effectively improves the stability of the belt during movement.

Example 3

As shown in FIGS. 1-9 , in this embodiment, based on the structure of Embodiment 2, a plurality of buffer components 9 are connected between the bracket 31 and the mounting frame 11 . The specific structure of the buffer component 9 is as follows:

The buffer assembly 9 includes an upper fixing plate 91, a lower fixing plate 92, a column 93, and a column 93. The upper fixing plate 91 is a "rectangular" structure as a whole and is placed at the upper end of the bracket 31. The lower fixing plate 92 is a "rectangular" structure as a whole and is placed at the lower end of the mounting frame 11. The column 93 passes through the upper fixing plate 91, the bracket 31, the lower fixing plate 92, and the mounting frame 11 from top to bottom in sequence and extends to the lower end and is fixedly screwed with a screw hole. The column 93 is located at the upper end of the bracket 31 and is also screwed with the screw hole. A spring 94 is sleeved on the outer side of the column 93. The spring 94 is located between the bracket 31 and the mounting frame 11, which effectively improves the buffering performance between the skateboard unit 3 and the frame 1 and extends the service life of the present application.

Example 4

As shown in FIGS. 1-9 , based on the structure of Embodiment 3, the present embodiment has a plurality of movable units 4 installed at both ends of the outer side of the frame 1. The movable unit 4 includes an installation 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 installation cavity 41 as a whole is a cavity with a "three-sided opening" structure. The open end of the installation cavity 41 is fixedly connected to the cover plate 42. The cover plate 42 as a whole is a "rectangular" structure. The cover plate 42 is screwed to the cover plate 42 by bolts. This method is connected in a detachable manner, which is convenient for the staff to install and disassemble, and effectively improves the flexibility.

The support cylinder 43 is fixed in the inner cavity of the installation cavity 41, and the lower end of the support cylinder 43 is rotatably connected to the pin shaft in the connecting seat 44, so that it can be adjusted in angle, which effectively improves the practicality of the present application.

There is a group of sliding seats 45, all of which are "L"-shaped structures and are respectively installed at the front and rear ends of the connecting seat 44. A pulley 46 is provided at both ends of the space enclosed by the two sliding seats 45.

There are several support frames 47, and each group of support frames 47 is welded and fixed on both sides of the outer side of the installation cavity 41. The two support frames 47 form a "V"-shaped structure. The upper ends of the multiple groups of support frames 47 are commonly connected to the cable trough 8, and multiple pipes for laying cables are arranged on the inner side of the cable trough 8.

The support unit 7 is provided with several strips which are laid on both sides of the lower end of the frame 1, and there is a certain gap between each support unit 7. The support unit 7 includes a lower guide rail 71, a bracket 72, and a tapered guide rail surface 73. The lower guide rail 71 is a "rectangular" structure as a whole. The bracket 72 is fixedly connected to the center position of the upper end of the lower guide rail 71, and the upper end of the bracket 72 is fixedly connected to the tapered guide rail surface 73. The tapered guide rail surfaces 73 are all "tapered" structures that match the pulley 46, so that the pulley 46 drives the mounting frame 11 to slide and move on the tapered guide rail surface 73.

The distance between the two sliding seats 45 is smaller than the width of the tapered guide surface 73 , so that the supporting cylinder 43 drives the supporting unit 7 to move as a whole when lifting.

Example 5

As shown in Figures 1-9, based on the structure of Example 3, the pushing unit 5 of this embodiment is located at the tail position of the frame 1. The pushing unit 5 includes a pushing frame 51, a fixed seat 52, a pushing rail 53, a pushing cylinder 54, and a connecting column 55. The pushing frame 51 is erected on the upper end of the frame 1, and the moving units 4 are installed at both ends of the outer side of the pushing frame 51. The lower ends of both sides of the pushing frame 51 are laid with fixed seats 52, and the pushing rails 53 are fixedly connected to the two ends of the outer side of the pushing frame 51. At the same time, a plurality of support units 7 are fixedly installed with connecting columns 55, and a pushing cylinder 54 is fixedly connected between the pushing rails 53 and the connecting columns 55.

According to the existing conventional hydraulic control method, the support unit 7 is pushed onto the working plane through the control of the hydraulic control valve, and the support unit 7 is fastened on the working plane under the pressure of the output shaft. Then, the output shaft of the push cylinder 54 continues to move, and the output shaft applies a reverse force to the cylinder barrel, so that the push cylinder 54 works.

Example 6

As shown in Figures 1-9, based on the structure of Example 5, the tail unit 6 of this embodiment is located at the end of the frame 1. The tail unit 6 includes a tail frame 61, a tail cover 62, a roller 63, and a mud collecting seat 64. The upper end of the tail frame 61 is installed with a tail cover 62, and the inner cavity of the tail cover 62 is installed with a mud collecting seat 64. The mud collecting seat 64 is connected to the outside, and the mud collecting seat 64 is also connected to the roller 63, which effectively collects and discharges the mud and dirt generated when working in the mine.

Example 7

As shown in Figures 1-9, this embodiment discloses the working principle of a belt conveyor for a narrow lane. Specifically, the working principle is:

Before the belt conveyor works, the frame is placed on the working plane, and the bottom end surfaces of the support unit 7 and the fixed seat 52 are not in contact with the working plane. When starting to move, the staff controls the output end of the push cylinder 54 to move downward through the hydraulic control valve to push the fixed seat 52 onto the working plane, and then the output shaft of the push cylinder 54 continues to move. The output shaft gives a reverse force to the cylinder barrel, causing the push cylinder 54 to work, and at the same time drives the mounting frame 11 fixedly connected to it to move, thereby lifting it off the working surface. The hydraulic control valve controls the push rail 53 to continue moving, with one end of the push rail 53 fixed on the fixed seat 52 as the fulcrum, and stretching with the fixed end of the mounting frame 11, thereby pushing the frame 1 and the moving unit 4 to move along the support unit 7 toward the tail head direction of the machine.

When the pulley 46 moves to the specified position, the sliding stops, and the hydraulic control valve is controlled again to lift the push rail 53 to move. The output shaft of the push rail 53 shrinks upward, and the mounting frame 11 is first smoothly placed on the working plane. Then the output shaft of the push rail 53 shrinks further, and the fixed seat 52 is lifted off the working plane, so that the end of the push rail 53 fixed on the frame 1 is used as a fulcrum, and the end fixed with the support unit 7 shrinks and moves, thereby pulling the support unit 7 to move toward the tail head direction. When the support unit 7 slides to the specified position, the sliding stops, and the above steps are repeated continuously. The belt conveyor is adjusted continuously in a telescopic manner, which is convenient for material transportation and meets the transportation operation in narrow lanes with greater flexibility.

Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims (10)

1. A belt conveyor for narrow lanes, characterized in that it comprises a frame, wherein roller units are assembled and connected between the frames; A plurality of support units are laid on both sides of the lower end of the frame; The belt conveyor for the narrow lane further comprises a slide unit, and the belt conveyor for the narrow lane further comprises a plurality of moving units arranged at the rear end position of the roller unit; The belt conveyor for the narrow lane also includes a plurality of push units arranged at the front end of the frame; The pushing units all include a pushing frame, both ends of the pushing frame are fixedly connected to pushing rails, and both sides of the lower end of the pushing frame are provided with fixed seats; The support unit is fixedly assembled and connected with a connecting column, and a pushing cylinder is fixedly connected between the pushing track and the connecting column. 2. The belt conveyor for narrow alleys according to claim 1 is characterized in that the frame includes a plurality of mounting frames connected end to end, a crossbeam is commonly connected between the inner walls on both sides of the mounting frames, and the upper ends of the crossbeams are fixedly connected to the roller units. 3. The belt conveyor for narrow lanes according to claim 2, characterized in that the roller unit comprises a plurality of roller members and a stand; The vertical frames are arranged in the length direction of the mounting frame, and the side walls of the vertical frames facing each other are provided with deviation correction grooves; The roller member is assembled on the inner side wall of the mounting frame. 4. The belt conveyor for narrow lanes according to claim 2, characterized in that the slide unit comprises a bracket and a slide bar, and the bracket is symmetrically fixedly mounted at both ends of the mounting frame along the width direction; The slide bar is fixedly laid on the upper end of the bracket. 5. The belt conveyor for narrow lanes according to claim 2, characterized in that a buffer assembly is assembled and connected between the lower end of the bracket and the mounting frame, the buffer assembly comprises a column, the column is sleeved with a spring, and the upper end of the column passes through the bracket; The upper end of the column is assembled and connected with an upper fixing plate, the lower end of the column passes through the mounting frame, and the lower end of the column is assembled and connected with a lower fixing plate. 6. The belt conveyor for narrow lanes according to claim 1, characterized in that the moving unit is located outside the frame; The mobile unit comprises a mounting cavity, and the mounting cavity has an open end; the open end of the mounting cavity is connected to a cover plate; A supporting oil cylinder is installed in the inner cavity of the installation cavity, a sliding seat is connected to the lower end of the supporting oil cylinder, and pulleys are assembled and connected at both ends of the sliding seat. 7. The belt conveyor for narrow lanes according to claim 6, characterized in that both ends of the outer side of the installation cavity are fixedly connected with support frames, and the two support frames are connected with cable ducts. 8. The belt conveyor for narrow lanes according to claim 6, characterized in that the supporting units all include a lower guide rail, a bracket is fixedly connected to the center position of the upper end of the lower guide rail, and a conical guide rail surface adapted to the pulley is fixedly connected to the upper end of the bracket; The distance between the sliding seats on both sides is smaller than the width of the tapered guide rail surface. 9. The belt conveyor for narrow lanes according to claim 6, characterized in that a tail unit is installed at the end of the frame, the tail unit includes a tail frame, and a tail cover, a mud collecting seat, and a roller are installed on the upper end of the tail frame. 10. The belt conveyor for narrow lanes according to claim 9, characterized in that a mud collecting seat is installed in the inner cavity of the tail cover, the mud collecting seat is connected to the outside, and the mud collecting seat is connected to a roller.