KR20010038715A - Belt conveyor with damage part detection function - Google Patents

Abstract

PURPOSE: A belt conveyor having the function of detecting damaged parts is provided to promptly detect the damaged parts of a belt at the arbitrary position and to conveniently change the installation position of a detection part so easily corresponding to the change of a conveying line of other belt conveyors. CONSTITUTION: A belt conveyor installed to convey materials(4) includes a belt(10) having first and second conductors(12a,12b) installed at an inside part and both longitudinal end parts, upper and lower guide rolls(20a,20b) successively arranged at the upper and lower parts of a supporting stand(2) having driving pulleys(3) on both sides for forming the upper and lower conveying paths of the belt, and a detecting part(60) formed with a detecting block(30) installed to be forward and backward conveyed to the lower part of the supporting stand, lower guide rolls(40) vertically and horizontally installed on the lower conveying path of the belt to contact the sectional conductor to the inner right and left sides of the detecting block, and a switch part connected with the lower guide roll for stopping the conveyance of the belt when the belt is broken.

Description

Belt conveyor with damage part detection function

The present invention relates to a belt conveyor which is a long- and short-distance raw material transport means such as coal for converter work in a steel mill. The present invention relates to a belt conveyor having a damage detection function for stopping the operation of the conveyor.

In general, in industries such as steel mills, the use of a belt conveyor as a means of transporting raw and fuel is generally used. Such a belt conveyor includes a rubber (or rubber) formed on an inner steel wire 110 made of nylon, as shown in FIG. 120 is covered with a rubber belt (100a) and as shown in Figure 1b, the steel steel wire 130 is laminated therein and divided into a steel-rubber belt (100b) covered with rubber 120, In other words, when transporting a heavy material, the steel-rubber belt 100b is used, otherwise the rubber belt 100a is used.

On the other hand, the belt conveyor using the belt 100 described above, the belt is usually conveyed as drive pulleys on both sides, the belt is conveyed in a state supported by a number of support rolls, such a belt conveyor 100 is in use Damaged parts such as a breakage and the like are likely to occur, and thus, the belt conveyor 200 which detects a damaged part of the conventional conveyor belt is shown in FIG. 2.

That is, as shown in Figure 2, the belt conveyor is rotated and conveyed while the belt 100 is guided as a plurality of upper and lower guide rolls (220a, 220b) as the drive pulley 210 installed on both sides of the support (204) The other belt conveyor 200 'is installed above the 200, and the chute 230 for guiding the falling raw material is installed between the two belt conveyors 200 and 200', and also the upper guide roll. The detection wire 240c is connected between the operation balls 240b inserted into the switch box 240 in which the limit switch 240a is installed at both sides of the 220a.

Therefore, in the conventional belt conveyor 200 as described above, the belt conveyor when the raw material, in particular scrap metal, etc. fall on the belt conveyor 200 through the chute 230 is transferred as the upper conveyor (200 '). When the belt 100 of the 200 is broken by the scrap metal operation, the detection wire 240c installed under the belt 100 is pulled to move the operation ball 240b in the switch box 240, and eventually When the flow of the operation ball 240b occurs, the limit switch 240a is operated to stop driving of the driving pulley 210.

However, in the conventional belt conveyor damage detection structure as described above, as shown in FIG. 2, when the belt conveyor 200 is used for a long time, even if the belt 100 is damaged, the detection wire 240c is used. The operation ball 240b is fixed in the switch box 240 so that a substantial malfunction of the limit switch 240a occurs frequently, and a welding portion between the operation ball 240b and the detection wire 240c is The switch box 240 and the wire 240C should be installed directly under the chute 230 in which the raw material falls due to the structure in which the detection wire 240c is easily contacted by the falling raw material. The installation space is limited to the installation work is difficult, and if the belt 100 is broken at the lower portion of the belt conveyor 200, there were various problems such as not being able to detect it.

SUMMARY OF THE INVENTION The present invention has been made to improve the above-mentioned problems. The object of the present invention is to provide a conductor that is embedded in the conveyor belt so that a part of the conveyor belt can be quickly detected even if it is damaged at an arbitrary position. An object of the present invention is to provide a belt conveyor having a damage detection function.

In addition, another object of the present invention, due to the structure of the electrical damage of the belt by the contact with the detection unit provided on the lower side of the belt conveyor, the installation work of the detection unit is easy, as well as the installation position can be easily adjusted. The present invention provides a belt conveyor having a damage detection function that can be easily coped even if the transfer line of another belt conveyor is changed.

1 (a) and (b) is a partial cutaway view showing the structure of a typical conveyor belt

Figure 2 is a front configuration diagram showing the damage detection operation of the conventional belt conveyor

Figure 3 is a laminated state diagram showing the structure of the conveyor belt according to the present invention

Figure 4 is an overall configuration showing a belt conveyor having a damage detection function of the present inventors

Figure 5 is a front view of the main portion of the detection unit showing the belt conveyor having a damage detection function of the present inventors

6 is a main view showing a lower guide roll for a detection gum in a belt conveyor having a damaged part detection function according to the present invention;

Explanation of symbols on the main parts of the drawings

1 .... belt conveyor with damage detection function

10 ... belt 12a, 12b ... first and second conductors 12a and 12b

20 .. Upper guide roll 30 .... Detection block

40 .... Lower guide roll for combined detection 50 .... Switch section

60 .... detector

The present invention as a technical configuration for achieving the above object, the belt is provided with the first and second conductors on both the inner and longitudinal ends;

Upper and lower guide rolls arranged in order on the upper and lower portions of the support in which the driving pulleys are installed at both sides to form upper and lower transport paths of the belt,

A detection unit installed horizontally and vertically on the lower transfer path of the belt so that the detection block is installed to be transported forward and backward to the lower side of the support, and the second conductors of the belt are contacted to the inner left and right sides of the detection block. And a belt conveyor having a damage detection function configured as a detection part including a lower guide roll and a switch part connected to the detection roll to short-circuit when the conveyor belt is broken to stop the conveyance of the belt.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a laminated state diagram showing the structure of the conveyor belt according to the present invention, Figure 4 is an overall configuration showing a belt conveyor having the present invention damaged portion detection function, Figure 5 has a damaged portion detection function of the present invention Fig. 6 is a front view of the main portion of the detection unit showing the belt conveyor, and Fig. 6 is a main view showing the lower guide roll for the detection gum in the belt conveyor having the damage detection function of the present invention, and the belt conveyor having the damage detection function of the present invention ( 1) is comprised as the belt 10, the guide roll 20, and the detection part 60. As shown in FIG.

The belt 10 is provided with first and second conductors 12a and 12b at both inner and longitudinal ends thereof, and the second conductor 12b of the belt 10 includes upper and lower rubber materials 14a. 14b is formed of conductive rubber which is integrally formed at both ends of the longitudinal direction, and the first conductor 12a is interposed between the upper and lower rubber materials 14a and 14b with an insulating material 16 interposed therebetween. It is formed of a conductive wire that is integrally laminated with the steel wire 18 and electrically connected to the second conductor 12a.

In addition, the guide roll 20 for guiding the conveyance of the belt 10 is installed on the upper portion of the support (2) in which the drive pulley (3) is installed on both sides, the upper and lower conveyance path of the belt (10) It consists of upper and lower guide rolls 20a and 20b forming P1 and P2.

And, the upper guide roll (20a), the central portion of the belt 10 is arranged in a U-shape so that the concave transfer, the chute on the upper side of the belt upper feed path (P1) by the upper guide roll (20). A belt conveyor 1 'different from 22 is provided.

In addition, the detection unit 60 for quickly detecting the breakage of the belt 10, the detection block 30 which is installed to transfer back and forth to the lower side of the support 2, and the interior of the detection block 30 A detection combined lower guide roll 40 installed horizontally and vertically on the lower conveyance path P2 of the belt 10 such that the end second conductor 12b of the belt 10 contacts the left and right sides, and It is connected to the detection roll 40 is provided with a switch unit 50 to short-circuit when the conveyor belt 10 is damaged to stop the belt transfer.

On the other hand, the detection block 30 of the detection unit 60 speaks to the upper bearing block 34a of the moving roll 34 moving along the guide plate 32 provided in the conveying direction below the support 2. It is installed in the upper portion of the support block 36 to be formed, the center portion is made of a U-shaped guide table 38, the spring 38a is installed, the detection guide lower guide roll 40, the guide table 38 It is provided with a horizontal roll 40a and a vertical roll 40b installed on both sides of the inner horizontal surface and fixed brackets 42 installed on both sides of the inner horizontal surface and installed horizontally and vertically so as to be flown through the spring 44.

In addition, a lead wire 52 connected to a relay of the switch unit 50 is connected to the rotation shaft 46 of the detection roll 40 fixed to the fixing bracket 42 in the detection block 30. As the frame 48a provided on the bracket 42, the brush 48, which is installed as a spring 48c, is brought into contact with the holder 48b fixed to the main surface side of the rotational shaft 46, and the relay of the switch unit 50 is contacted. Is configured to transmit a stop signal to the drive pulley 3 which is electrically turned on when the first conductor 12a is shorted to transfer the belt 10.

Referring to the operation and effects of the present invention made of the above configuration are as follows.

As shown in Figures 3 to 6, it is possible to quickly detect the breakage of the belt conveyor 10 commonly used in the industry to stop the transfer, in particular installed on the belt 10 and electrically detected it Due to the structure that detects over the entire part of the belt 10, the detection operation is made precisely, and the damaged part detection function of the present invention is located in the lower conveying line P2 of the belt conveyor 1 and is easy to install. The belt conveyor 1 which has is as follows.

First, as shown in Figure 3, looking at the belt 10 used in the belt conveyor (1) of the present invention in detail, it is made of iron core between the upper and lower rubber plates (14a) (14b) of the belt normally used After the inner steel wire 18 is installed and the insulating material 16 is laminated thereon, the first conductor 12a, which is a conductive wire, is provided over the entire portion of the belt 10 to provide the rubber plate 14 and the insulating material. The 16 and the inner steel wire 18 are integrally laminated and manufactured.

At this time, in the longitudinal direction of the upper and lower rubber plates 14a and 14b, second conductors 12b made of conductive rubber, which are usually used in electrical parts, are integrally laminated at both ends thereof, and at the same time, The first conductor 12a is electrically connected to the second conductor 12b while passing through both end portions of the belt 10 in a zigzag form.

Therefore, as will be described in detail below, in the state where the belt 10 of the present invention is connected to both ends of the relay through an electrical signal, the first conductor 12a may be damaged due to the breakage of the belt 10. When the part is short-circuited, the relay is turned off to stop driving of the belt 10.

In this case, when the belt 10 is a belt using internal rigidity made of nylon, it is not necessary to use the insulation 16.

On the other hand, as shown in Figure 4, the belt conveyor 10 of the present invention is provided with a drive pulley (3) rotatably operating on both sides on the support (2), while supporting the belt 10 to the upper side and the lower side Upper and lower guide rolls 20a and 20b for forming the upper conveying path P1 and the lower conveying path P2 of the belt conveyor 1 are respectively installed along the support 2.

At this time, the upper guide roll (20a) is arranged in a U-shape so that the center portion of the belt 10 is concave conveyed, and eventually the upper conveying path for contact conveying the transport (4), such as coal or scrap metal ( The belt 10 of P1 is conveyed in a U shape, and the belt 10 of the lower lower conveyance path P1 of the support 2 is conveyed flatly.

In addition, a chute 22 and a different belt conveyor 1 'are installed on the upper side of the belt upper transfer path P1 by the upper guide roll 20, thereby transporting the goods transported through the other belt conveyor 1'. 4 is placed on the belt conveyor 1 of the present invention while being dropped through the chute 22, and continues to be transported. Usually, the conveyed material 4 may be scrap metal, which is a material used in a steel mill, and thus the iron As the pieces 4 fall, they are lodged in the conveyor belt 10 below, resulting in damage to the belt 10. In the case of the present invention as described above, if the pieces of iron are lodged in the belt 10, 1 The conductor 12a may be shorted to generate a detection signal.

In addition, as shown in FIGS. 4 and 5, the detection block 30 is installed on the lower transfer path P2 of the belt conveyor 10 below the support 2, and the lower side of the support 2. The support block 36 is integrally fixed to both sides of the bearing block 34a protruded from the upper portion of the moving roll 34 moving along the guide plate 32 installed in the longitudinal direction of the belt conveyor 1. The detection block 30 is fixedly coupled to the upper portion of the support block 360, so that the detection block 30 can be easily moved on the lower transfer path P2 of the support 2.

At this time, the detection block 30 is the upper and lower, the U-shaped guide table 38 is opposed to each other, the center portion of the guide table 38 is a spring 38a is installed, and at the same time the guide table ( 38, the lower guide rolls 40a and 40b for horizontal and vertical detection are installed in the horizontal and vertical surfaces, respectively.

That is, the belt 10 conveyed along the lower conveyance path P2 of the belt conveyor 1 is supported as the lower guide roll 20b, while a guide plate positioned at one point below the support 2. It is conveyed through the inside of the detection block 30 on the 32, wherein the belt 10 is supported at both ends thereof as the detection rolls 40a and 40b.

At this time, as shown in Figure 5, the detection combined lower guide rolls 40, as described above, the horizontal roll (40a) and the sidewalls of the guide table 38 is installed on the inside, the lower side of the guide table 38 It is configured as a vertical roll 40b provided on the upper surface, and thus the upper, lower, and end surfaces of both ends of the belt 10 are transported while being guided as the horizontal detection roll 40a and the vertical detection roll 40b.

Accordingly, the detection combined lower guide roll 40 is in contact with the second conductor 12b formed at both ends of the belt 10, and the second conductor 12b is used as the second conductor 12a inside the belt. It is electrically connected.

Subsequently, the detection rolls 40 are fixed to the fixing bracket 42 installed in the vertical direction on the guide table 38 such that the central rotation shaft 46 is rotatable, and springs mounted on the fixing bracket 42. The belt 10 is supported to be more flexibly transported by the elastic force of (44).

At this time, as shown in Figure 6, the outer circumferential surface of the rotary shaft 46, the brush 48 which is installed as a spring 48c in the holder 48b protruded into the frame 48a fixed to the fixing bracket 42 ) Is positioned to be in contact, and the lead wire 52 electrically connected to the brush 48 is connected to a switch unit 50 constituted by a relay.

That is, when the conductive wire, which is the inner first conductor 12a of the belt 10, is short-circuited by the iron piece 4 which is a package falling from another conveyor belt 1 'as described above, the detection roll 40 The switch unit 50 connected by the lead wire 52 connected to the brush 48 is short-circuited and turned off. In this case, although not shown in detail, the switch unit 50 is installed on the support 2 to provide the belt 10. By stopping the drive motor (not shown) to enable the rotational operation is to quickly stop the operation of the belt conveyor (1).

As a result, in contrast to detecting a belt damage part by direct contact using a conventional wire, in the present invention, the first conductor 12a, which is a conductive wire embedded in the entire belt 10, and both ends of the belt 10 are formed. The second dozer body 12a, which is a conductive rubber, and the lower guide rolls 40a, 40b, which come into contact with them to operate the switch 50, can detect the damaged portion of the conveyor belt 10 more precisely and easily. It is.

Thus, according to the belt conveyor having the damaged part detection function of the present invention, there is an advantage that can be quickly detected even if a portion of the conveyor belt is damaged at any position as a conductor that is planted inside the conveyor belt.

In addition, due to the structure in which the belt is electrically damaged by the contact with the detection unit installed on the lower side of the belt conveyor, the installation of the detection unit can be easily performed and the installation position thereof can be easily adjusted to transfer the lines of the other belt conveyors. Even if this change is easy to respond.

While the invention has been shown and described with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit or scope of the invention as set forth in the claims below. I would like to know that those who have knowledge of this can easily know.

Claims (5)

In the belt conveyor (1) which is installed to transport the package (4), A belt 10 provided with first and second conductors 12a and 12b at both inner and longitudinal ends thereof; Upper and lower guide rolls 20a which are sequentially arranged on the upper and lower portions of the support 2 on which the driving pulleys 3 are installed at both sides to form upper and lower conveying paths P1 and P2 of the belt 10. ) 20b, and The belt (to allow the end block 12b of the belt 10 to come into contact with the detection block 30 which is installed to be transported forward and backward to the lower side of the support 2 and the left and right sides of the detection block 30). The combined detection lower guide roll 40 installed horizontally and vertically on the lower conveyance path P2 of 10) and the guide roll 40 are shorted when the conveyor belt 10 is broken and the belt 10 Belt conveyor with damage detection function, characterized in that it is configured as a detection unit 60 having a switch unit 50 to stop the transfer. The method of claim 1, wherein the second conductor 12b of the belt 10 is formed of conductive rubber integrally formed at both ends of the upper and lower rubber members 14a and 14b in the longitudinal direction. The sieve 12a is integrally laminated and bonded to the inner steel wire 18 via the insulating material 16 between the upper and lower rubber materials 14a and 14b and electrically connected to the second conductor 12a. Belt conveyor with damage detection function, characterized in that consisting of conductive wires According to claim 1, The upper guide roll 20, the central portion of the belt 10 is arranged in a U-shape so that the concave transfer, the belt upper feed path (P1) by the upper guide roll 20 Belt conveyor with damage detection function, characterized in that the chute 22 and the other belt conveyor (1 ') is installed on the upper side of the According to claim 1, The detection block 30 of the detection unit 60, the upper bearing block of the moving roll 34 to move along the guide plate 32 provided in the conveying direction to the lower side of the support (2) ( 34a) is installed in the upper portion of the support block 36, which is addressed to 34a), and is formed as a U-shaped guide table 38 in which springs 38a are installed on the upper and lower sides of the central portion. Is characterized in that it is configured as a horizontal roll (40a) and a vertical roll (40b) which is installed in the fixed bracket 42 installed on the inner horizontal surface and the vertical surface of the guide table 38 so as to be flowable by the spring 44 Belt conveyor with detection of damaged parts The method of claim 1 or claim 4, wherein the rotary shaft 46 of the combined detection lower guide roll 40 fixed to the fixing bracket 42 in the detection block 30 is connected to the relay of the switch unit 50 The lead wire 52 is connected, and the brush 48 which is installed as a spring 48c in the holder 48b fixed to the main surface side of the rotation shaft 46 as the frame 48a provided on the fixing bracket 42 is brought into contact with each other. The relay of the switch unit 50 is installed so as to transmit a stop signal to the drive pulley 3 which is electrically turned on when the first conductor 12a is shorted to transfer the belt 10. Belt conveyor having a damage detection function, characterized in that