KR102386976B1 - A Retrieving System Of Fallen Material For Belt Converyor - Google Patents

Abstract

The present invention provides an apparatus for recovering a falling object from a belt on the return roller side of a belt conveyor comprising a conveying roller, a return roller, and a belt and conveying it to the belt at the conveying roller side; The recovery device frame 301 as a support, the hopper 319 installed under the belt on the return roller side, and the recovery device frame 301 are installed on the recovery device frame 301 and extend upward through the hopper 319 to form the recovery and transfer section It becomes a circulation passage and has an upward opening at the portion passing through the hopper 319 and is installed in a transport pipe 311 having a discharge part 312 that is opened downwardly to the upper belt of the transport roller side, and the recovery device frame 301 A recovery driving unit 317 for cyclically moving the recovery and transport unit, a recovery transport unit for transporting falling objects while circulating in the conveying pipe 311 by the recovery driving unit 317, and a return roller side belt provided in the hopper 319 It includes one or more scraper parts 320 in contact with the lower surface of the; The scraper unit 320 includes a scraper bracket 321 rotatably provided on the hopper with a scraper rotation shaft 323, and a scraper 325 coupled to the scraper bracket 321 and having an end in contact with the lower surface of the belt on the return roller side. and a weight 327 coupled to a weight bar 329 rotating integrally with the scraper rotating shaft 323.

Description

A Retrieving System Of Fallen Material For Belt Converyor

The present invention relates to a falling object recovery device for a belt conveyor, and more particularly, to a falling object recovery device for a belt conveyor that recovers falling objects from a belt and supplies them back to the belt conveyor.

In general, the falling material recovery device of the belt conveyor is used to recover the fallen material from the belt conveyor used in a power plant or a steel mill. In this conventional system for recovering camels of a belt conveyor, a deck plate installed in the longitudinal direction at the lower part of the belt conveyor, and a wire rope seated on the upper surface of the deck plate are connected to the front and rear to operate a driving member such as a winch It consists of a scraper to remove the camel that has fallen on the upper surface of the deck plate while moving it by winding or unwinding the wire rope.

The conventional apparatus for recovering fallen objects of a belt conveyor for recovering camels, etc. has a problem in that the recovered camels scatter again, the camels are attached to the moving chain to be recovered, and thus cannot be recovered, and external power is required for scraping. In addition, due to wear and tear, it could not perform the role of continuous scraping or cleaner, and it caused damage to the belt. Therefore, there was a problem of polluting the surroundings.

Republic of Korea Registration No. 10-0729088 Patent Publication Korean Patent Publication No. 10-2010-0049869 Republic of Korea Registration No. 10-1298993 Registration Patent Publication

The present invention has been proposed to solve the problems of the prior art as described above, and the recovered falling objects are prevented from scattering, the attachment of the falling objects to the moving chain is minimized, and the pressure of the scraper on the belt is maintained. An object of the present invention is to provide an apparatus for collecting falling objects of a conveyor.

For the above purpose, the present invention provides an apparatus for recovering a falling object from a belt on the return roller side of a belt conveyor comprising a conveying roller, a return roller, and a belt and transferring it to a belt at the conveying roller side; A recovery device frame that serves as a support, a hopper installed under the belt on the return roller side, is installed on the recovery device frame and extends upward through the hopper to become a circulation passage for the recovery transport unit and an upward opening at the portion passing through the hopper and a conveying pipe having a discharge part downwardly opened at the upper part of the belt on the conveying roller side, a recovery driving part installed in the recovery device frame to circulately moving the recovery conveying part, and by the recovery driving part to transport falling objects while circulating in the conveying pipe a recovery transfer unit, and one or more scraper units provided in the hopper and in contact with the lower surface of the belt on the return roller side; The scraper part consists of a scraper bracket rotatably provided on the hopper as a scraper rotation shaft, a scraper coupled to the scraper bracket and having an end in contact with the lower surface of the belt on the return roller side, and a weight coupled to a weight bar rotating integrally with the rotation shaft. Provided is an apparatus for collecting fallen objects of a belt conveyor.

In the above, it further comprises one or more brushes located on one side of the scraper in the longitudinal direction in the hopper; The brush unit includes a brush rotating body, which is a cylindrical body having a brush rotating shaft and rotatably provided in a hopper, a main body cover member stacked on the brush rotating body and in contact with the lower surface of the return roller side belt, and the main body cover member. a plurality of brushes projecting radially outwardly therethrough; The exposed portion of the body cover member without the brush is rotated by frictional force in contact with the lower surface of the belt on the return roller side, and there is a relative motion between the lower surface of the belt on the return roller side and the plurality of brushes protruding outward in the radial direction past the body cover member It is characterized in that this occurs.

In the above, the recovery and transport unit comprises a transport chain provided in the transport pipe to form a closed circuit and circulated by the driving of the recovery driving unit, and a plurality of transport mechanisms provided to the transport chain to be spaced apart along the longitudinal direction; The conveying mechanism has a spherical outer surface and a conveying body into which the conveying chain is inserted, a conveying plate having both spherical surfaces of the conveying body inserted in the form of a hollow disk to face each other, and aligned along the circumferential direction of the conveying plate, both sides It is characterized in that it comprises a plurality of transfer spacers, which are hollow bodies positioned between the transfer plates, and a transfer fastening mechanism fastened through the transfer plates and spacers on both sides.

In the above, further comprising at least one drop-off part provided along the longitudinal direction of the transport chain to the upper part of the recovery transport part in the hopper; The drop-out portion includes a drop-off body rotatably provided with a drop-off rotation shaft, and a spring for restoring the rotation of the drop-off body; The drop-off rotation shaft of the drop-off body is spaced apart from the upper part of the recovery transfer part in the hopper, and the drop-off body is characterized in that the end part is formed to a size that is caught by the transfer mechanism.

In the above, it further includes a sealing member, the sealing member is characterized in that the inner ends on both sides of the upper width direction of the hopper overlap with the width direction end of the return roller side belt is positioned below the return roller side belt.

The falling object recovery device 300 of the belt conveyor of the present invention is a multi-cleaner, sealed, It is a technology with excellent environmental friendliness, safety, and efficiency that combines a hopper and a 360-degree sealed transport conveyor.

According to the falling object recovery device 300 of the belt conveyor according to the present invention, specifically, the falling objects (eg, camels, etc.) collected by the hopper 319 by providing the sealing member 314 scatter and pollute the surrounding environment. Since the scraper 325 presses the belt 315 by the weight of the weight 327, even if the scraper 325 is worn, the pressure between the belt 15 and the scraper 325 is maintained for a long time. It can act as the scraper 325, and therefore, it rises by the weight of the weight 327 as much as the scraper 325 wears out without damaging the belt, does not burden the belt, and continuously rises and closely adheres to the cleaning function In addition, damage can be prevented due to the role of self-weight tension in the protrusions such as belt seams, and by applying the sealed structure by the sealing member 314, it is possible to prevent the dust and scattering materials generated during camel cleaning from leaking to the outside. , since the drop-off part 340 hits the transfer mechanism 315, the falling object attached to the transfer mechanism 315 or the transfer chain 313 falls off and the remaining falling object is suppressed as much as possible, and the assembly of the transfer mechanism 315 is minimized. It is easy, and since the surface of the belt 15 is wiped by the relative movement of the brush 335 with the belt 15, there is an effect that the surface of the belt 15 can be wiped without external power.

1 is a schematic side view of a falling object recovery device of a belt conveyor according to the present invention;
Figure 2 is shown in the "A" direction of Figure 1,
Figure 3 is an enlarged view of the scraper mechanism provided in the falling object recovery device of the belt conveyor of the present invention,
4 is a partial side view of the brush mechanism provided in the falling object recovery device of the belt conveyor of the present invention;
5 is a schematic cross-sectional view showing the brush mechanism provided in the falling object recovery device of the belt conveyor of the present invention together with the belt;
FIG. 6 is an enlarged view of part “A” of FIG. 2 .

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the falling object recovery apparatus of the conveyor according to the present invention.

1 is a schematic side view of a falling object recovery device of a belt conveyor according to the present invention, FIG. 2 is a view in the direction "A" of FIG. 1, and FIG. 3 is a scraper mechanism provided in the falling object recovery device of the belt conveyor of the present invention. 4 is a partial side view of the brush mechanism provided in the falling object recovery device of the belt conveyor of the present invention, and FIG. 5 is a schematic view showing the brush mechanism provided in the falling object recovery device of the belt conveyor of the present invention together with the belt It is a cross-sectional view, and FIG. 6 is an enlarged view of part “A” of FIG. 2 .

The horizontal direction of FIG. 1 is a longitudinal direction, and the horizontal direction of FIG. 2 is demonstrated as a width direction.

The apparatus 300 for collecting fallen objects of a conveyor according to the present invention includes a conveyor frame 17 serving as a support, a transport roller 11 installed on the conveyor frame 17, a return roller 13, and a belt 15. It is provided on the belt conveyor 10 made of the, and is a device for collecting the falling object from the belt 15 on the return roller 13 side and supplying it to the belt 15 on the transfer roller 11 . The belt conveyor 10 is a conventionally known technology, and a detailed description thereof will be omitted.

The falling object recovery device 300 of the conveyor according to the present invention is installed on a recovery device frame 301 as a support, a hopper 319 installed under the belt on the return roller side, and the recovery device frame 301, A transfer pipe 311 extending upward past the hopper 319 to become a circulation passage for the recovery transfer unit, having an upward opening at the portion passing through the hopper 319, and having a discharge portion 312 downwardly opened to the upper part of the belt on the transfer roller side ), a recovery drive unit 317 installed in the recovery device frame 301 to circulately move the recovery and transport unit, and a recovery transport unit for transporting falling objects while circulating in the transport pipe 311 by the recovery driving unit 317; , it is provided in the hopper 319 and includes one or more scraper parts 320 in contact with the lower surface of the belt on the return roller side.

The falling object recovery device 300 of the conveyor according to the present invention further includes a brush unit 330 . In addition to this, the apparatus 300 for collecting the falling objects of the conveyor according to the present invention further includes a drop-off part 340 . And the falling object recovery apparatus 300 of the conveyor according to the present invention further includes a sealing member 314 .

The recovery device frame 301 acts as a support, so that the transport pipe 311 is supported and installed on the recovery device frame 301 . The recovery driving unit 317 is also supported by the recovery device frame 301 and installed. The recovery device frame 301 is installed by being coupled to the conveyor frame 17 of the belt conveyor 10 . However, it is not excluded that the recovery device frame 301 is not coupled to the conveyor frame 17 and is separately fixed to the ground and installed.

The hopper 319 is installed to be located on one side of the return roller 17 in the longitudinal direction. As shown in FIGS. 1 and 2 , the hopper 319 may have an upper end coupled to the conveyor frame 17 to be installed. The hopper 319 has an upwardly opened shape. The belt on the side of the return roller 13 passes through the open top of the hopper 319 .

As shown in FIG. 2, the transfer pipe 311 passes the lower part of the hopper 319 in the width direction and ascends from one side in the width direction of the belt conveyor 10, and at the upper part of the belt conveyor 10, the belt conveyor ( 10) extends across the width direction and extends downward past the belt conveyor 10, and is formed in a shape wrapped around the return roller 13 and the transfer roller 15 of the belt conveyor 10. The transfer tube 311 is a hollow tube having a circular cross section.

The transfer pipe 311 has an opening opened upward at a portion passing through the hopper 319 . The recovery transfer unit is exposed from the transfer pipe 311 in the hopper 319 . The falling object falling from the belt 15 passes through the hopper 319 and falls into the transfer tube 311 through the opening of the transfer tube 311 formed in the hopper 319 . An inclined portion is formed at the lower portion of the hopper 319 so that the falling objects are gathered into the opening of the transfer pipe 311 . The conveying pipe 311 is provided with a discharge part 312 downwardly opened to the upper part of the belt 15 of the conveying roller 11 .

The recovery driving unit 317 is located on one upper side of the transfer pipe 311 and is installed in the recovery device frame 301 . The recovery driving unit 317 is made of a motor and has a speed reducer 317a. The output shaft of the recovery driving unit 317 is provided with a sprocket for hanging the conveying chain 313 of the recovery conveying unit. The recovery transfer unit having the transfer chain 313 is circulated in the transfer pipe 311 by the operation of the recovery driving unit 317 .

The scraper part 320 is coupled to the scraper bracket 321 rotatably provided on the hopper 319 with the scraper rotation shaft 323 and the scraper bracket 321, and the end is the lower surface of the belt 15 on the return roller side. It consists of a scraper 325 in contact with and a weight 327 coupled to a weight bar 329 that rotates integrally with the scraper rotation shaft 323 . The scraper 325 may be formed of a rubber plate having the same length as the width of the belt 15 in the width direction. As the scraper bracket 321 and the belt 15 rotate integrally around the scraper rotation shaft 323 by the weight of the weight 327 , the scraper 325 comes into contact while pressing the lower surface of the belt 15 . In this state, as the belt conveyor 10 operates and the belt 15 rotates, the coal powder remaining on the surface of the belt 15 is separated from the belt 15 (falling object) and falls into the hopper 19 .

Even when the scraper 325 is worn due to the relative friction between the belt 15 and the scraper 325, the scraper bracket 321 rotates by the weight of the weight 327, so the scraper 325 holds the belt 15. Since the pressing force to press can be maintained, it is possible to use it for a long time without maintenance.

The brush part 330 may be provided in a lateral direction of the scraper part 320 in the longitudinal direction, and may be provided in plurality. The brush part 330 sweeps away the residue remaining on the lower surface of the belt 15 on the return roller 13 side.

The brush unit 330 includes a brush rotating body 331, which is a cylindrical body rotatably provided in the hopper 319, provided with a brush rotating shaft 333, and is stacked on the brush rotating body 331 and provided with a return roller It includes a body cover member 331-1 in contact with the lower surface of the side belt, and a plurality of brushes 335 protruding outward in a radial direction past the body cover member 333-1. Brush rotation shafts 333 on both sides of the brush part 330 in the width direction are rotatably installed in the hopper 319 by bearings or the like.

The rotating brush body 331 is made of steel, and the body cover member 331-1 is made of rubber or the like and laminated on the rotating brush body 331 . The main body cover member 331-1 has a hollow cylindrical shape.

As shown in FIG. 6 , an exposed portion of the body cover member 331-1, which is not provided with the brush 335 , is provided on a portion of the body cover member 331-1 in the axial direction. In the exposed part, the brush 335 is not provided along the circumferential direction.

The exposed portion of the body cover member 331-1, which is not provided with the brush 335, contacts the lower surface of the belt on the return roller 15 side and rotates by frictional force. The diameter of the virtual circle formed by the outer diameter ends of the plurality of brushes 335 is greater than the outer diameter of the main body cover member 331-1. Accordingly, a linear velocity difference occurs between the lower surface of the belt on the return roller 15 side and the plurality of brushes 335 protruding outward in the radial direction past the main body cover member 331-1, and thus a relative motion occurs. The brush 335 brushes the lower surface of the belt on the return roller 15 side by relative motion due to the difference in linear velocity between the lower surface of the belt on the return roller 15 and the brush 335 to separate the residue remaining on the surface. make it

The recovery and transfer unit forms a closed circuit and is provided in the transfer pipe 311 and is provided with a transfer chain 313 circulating by driving the recovery driving unit 317 and spaced apart from the transfer chain 313 in the longitudinal direction. It includes a plurality of transfer mechanisms (315).

The transfer mechanism 315 has a spherical outer surface and a transfer body 3151 into which the transfer chain 313 is inserted, and a transfer plate in which both spherical surfaces of the transfer body 3151 are inserted in the form of a hollow disk to face each other. (3155) and a plurality of transfer spacers (3157), which are arranged along the circumferential direction of the transfer plate (3155) and are hollow bodies positioned between the transfer plates (3155) on both sides, and transfer plates (3155) and transfer spacers ( It includes a transfer fastening mechanism 3159 that is fastened past 3157).

The outer diameter of the transfer plate 3155 is slidable in contact with the inner surface of the transfer pipe 311 . Alternatively, a minute gap (eg, 0.1 mm) may be formed between the inner surface of the transfer pipe 311 and the transfer plate 3155 .

Falling objects falling into the conveying pipe 311 along the inside of the hopper 319 are caught by the conveying mechanism 315 according to the circulation of the recovery conveying unit and are conveyed along the conveying pipe 311 together with the conveying mechanism, and the upper discharge part It falls to the upper part of the belt 15 on the side of the conveying roller 11 through 312 .

The drop-off part 340 is provided above the recovery transfer part in the hopper 319 and may be provided in plurality along the longitudinal direction of the transfer chain 313 .

The dropout portion 340 includes a dropout body 341 that is rotatably provided with a dropout rotation shaft 343 and a spring for restoring rotation of the dropout body 341 . Both sides in the longitudinal direction of the drop-off rotation shaft 343 are rotatably installed in the hopper 319 with a bearing or the like.

The drop-off rotation shaft 343 of the drop-off body 341 is spaced apart from the upper part of the recovery transfer part in the hopper, and the drop-off body 341 has a size that is caught by the transfer mechanism 315 at the end. The drop-off body 341 may be provided in the form of a bar having a width in the longitudinal direction. The spring may be a coil spring in which the drop-off rotation shaft 343 is inserted and installed.

When the recovery transfer unit circulates in the transfer pipe 311 by the driving of the recovery drive unit 317, the drop-off body 341 having its end caught in the transfer mechanism 315 also rotates around the drop-off rotation shaft 343 as the center of rotation. . And when the lock is released by the continuous movement of the transfer mechanism 315, the drop-off body 341 rotates in the opposite direction by the restoring force of the spring and strikes the transfer mechanism 315 that moves next to generate vibration in the recovery transfer unit. Separates falling objects such as coal powder adhering to the

As shown in FIG. 2 , the sealing member 314 has inner ends on both sides of the upper width direction of the hopper 319 overlap with the width direction ends of the return roller side belt, and is positioned below the return roller side belt. . The sealing member 314 may be made of plate-shaped rubber or the like. Metal sealing brackets 314a may be installed on both sides of the inner width direction of the hopper 319, and the sealing member 314 may be installed on the sealing bracket 314a. Both ends of the sealing member 314 in the longitudinal direction are provided in contact with the inner surface of the hopper 319 . The sealing member 314 is provided to prevent falling objects falling into the hopper 319 from scattering out of the hopper 319, thereby preventing deterioration of the surrounding environment by the falling objects, and transferring all the falling objects back to the transfer roller side It is possible to collect and transfer to the upper part of the belt 15 .

Since the sealing member 314 is made of a non-ferrous material such as synthetic resin such as MC nylon, damage to the belt, heat generation, static electricity, etc. can be prevented when the conveyor is in contact with the belt during operation. The sealing member 314 overlaps the belt on both sides in the width direction of the belt, and it is preferable to set the width of the overlapping portion so that the overlapping portion can be maintained even when the belt is meandering and installed with a margin. The sealing member 314 can be replaced or repaired by removing the sealing bracket 314a.

300: Falling object recovery device of the belt conveyor 310: Falling object recovery unit
320: scraper unit 330: brush unit
340: dropout

Claims (5)

An apparatus for recovering falling objects from a belt on the return roller side of a belt conveyor comprising a conveying roller, a return roller, and a belt, and transferring it to the belt at the conveying roller side;
The recovery device frame 301 as a support, the hopper 319 installed under the belt on the return roller side, and the recovery device frame 301 are installed on the recovery device frame 301 and extend upward through the hopper 319 to form the recovery and transfer part It becomes a circulation passage and has an upward opening at a portion passing through the hopper 319 and a transport pipe 311 having a discharge part 312 that is opened downwardly to the upper belt of the transport roller side, and is installed in the recovery device frame 301 A recovery driving unit 317 for cyclically moving the recovery and transport unit, a recovery transport unit for transporting falling objects while circulating in the conveying pipe 311 by the recovery driving unit 317, and a return roller side belt provided in the hopper 319 It includes one or more scraper parts 320 in contact with the lower surface of the;
The scraper unit 320 includes a scraper bracket 321 rotatably provided on the hopper with a scraper rotation shaft 323, and a scraper 325 coupled to the scraper bracket 321 and having an end in contact with the lower surface of the belt on the return roller side. and a weight 327 coupled to a weight bar 329 rotating integrally with the scraper rotating shaft 323;
It further includes one or more brush parts 330 located on one side of the scraper part 320 in the longitudinal direction in the hopper 319;
The brush unit 330 includes a brush rotating body 331, which is a cylindrical body rotatably provided in the hopper 319, provided with a brush rotating shaft 333, and is stacked on the brush rotating body 331 and provided with a return roller a body cover member (331-1) in contact with the lower surface of the side belt, and a plurality of brushes (335) protruding radially outward past the body cover member (333-1); The exposed portion of the body cover member 331-1, which is not provided with the brush 335, is rotated by frictional force in contact with the lower surface of the belt on the return roller side, and passes through the lower surface of the belt on the return roller side and the body cover member 331-1. The falling object recovery apparatus 300 of the belt conveyor, characterized in that relative motion occurs between the plurality of brushes 335 protruding outward in the radial direction. delete The longitudinal direction of claim 1, wherein the recovery and transport unit forms a closed circuit and is provided in the transport pipe (311) and circulates by driving the recovery driving part (317); It includes a plurality of conveying mechanisms 315 provided to be spaced apart along the;
The transfer mechanism 315 has a spherical outer surface and a transfer body 3151 into which the transfer chain 313 is inserted, and a transfer plate in which both spherical surfaces of the transfer body 3151 are inserted in the form of a hollow disk to face each other. (3155), and a plurality of transfer spacers (3157), which are arranged along the circumferential direction of the transfer plate 3155 and are hollow bodies positioned between the transfer plates 3155 on both sides, and transfer plates 3155 and transfer spacers on both sides ( 3157) and a transfer fastening mechanism (3159) fastened to the belt conveyor, characterized in that it includes a falling object recovery device (300). The method according to claim 1, further comprising: one or more drop-off parts 340 provided along the longitudinal direction of the transport chain 313 to the upper part of the recovery transport part in the hopper 319;
The dropout portion 340 includes a dropout body 341 that is rotatably provided with a dropout rotation shaft 343, and a spring for restoring the rotation of the dropout body 341; The drop-off rotation shaft 343 of the drop-off body 341 is spaced apart from the upper part of the recovery transfer part in the hopper, and the drop-off body 341 is formed to have a size whose end is caught by the transfer mechanism 315. (300). According to claim 1, further comprising a sealing member (314), the sealing member (314) on the upper width direction of the hopper (319) on both sides of the inner end overlaps the width direction end of the belt on the return roller side to the return roller side The falling object recovery device 300 of the belt conveyor, characterized in that it is located in the lower part of the belt.

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