KR100916093B1 - Detachable Carrier Roller Stand Assembly - Google Patents

Abstract

The present invention relates to a separate carrier roller stand assembly. Roller stand assembly of the present invention has a long U-shaped appearance and the lower frame 20 is provided with a plurality of rollers 22 on the side; On the rollers 22 of the lower frame 20, it supports a plurality of pairs of fixed bars 12a, 12b rotatably supporting the carrier rollers 18a, 18b of the belt conveyor, and has a long inverted U-shaped appearance. First and second upper frames 10a and 10b configured to slide; And fastening means for fastening the first and second upper frames 10a and 10b to the lower frame 20. By configuring the roller stand on which the carrier roller is mounted as described above, the carrier roller can be easily replaced without forcibly lifting the belt when the carrier roller is replaced.

Belt Conveyor, Stand, Roller, Detachable, Rocker

Description

Detachable Carrier Roller Stand Assembly {DETACHABLE CARRIER ROLLER STAND ASSEMBLY}             

1 is a perspective view of a typical belt conveyor installation.

2 is a schematic view showing a roller replacing operation in a conventional carrier roller stand.

3 is a perspective view of a detachable carrier roller stand assembly according to a preferred embodiment of the present invention.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a front view of the assembly shown in FIG.

FIG. 6 is a cross-sectional view illustrating an interior of a portion B of FIG. 5.

FIG. 7 is a front view showing that the first upper frame is moved in the longitudinal direction from the position shown in FIG. 5; FIG.

FIG. 8 is a cross-sectional view illustrating the interior of portion C of FIG. 7 and for convenience of illustration, showing a position between the first upper frame and the lower frame adjacently.

<Explanation of symbols of main parts in drawings>

10a, 10b: upper frame 12a, 12b: support bar                 

14: slot 16: stopper

18a, 18b: carrier roller 20: lower frame

22: roller 24: rocker

28: fastening pin 40: belt

42: backing bracket 46: support

The present invention relates to a carrier roller stand equipped with a carrier roller for supporting a belt orbitally conveyed in a belt conveyor facility for transporting loads. More specifically, the present invention relates to a carrier roller by detachably configuring a roller stand on which a carrier roller is mounted. The present invention relates to a detachable carrier roller stand assembly which enables the carrier roller to be easily replaced without forcibly lifting the belt during the replacement operation.

In general, most industries, for example steel mills, need to transport iron ore and coal, which are used as reactors and fuels in blast furnace operations, from the unloading site of the vessel to the yard of the plant. The installation is shown in FIG. 1.

That is, as shown in Figure 1, the plurality of carrier rollers 120 and the belt 150 is fastened to the return roller 130 and the pulley 140 disposed on the upper and lower sides of the stand base 110 in an endless track shape Transport the shipment 160 while moving

At this time, the carrier roller 120 is mounted on the stand 200 installed in the frame 110, such a carrier roller 120 to convey the belt 150 in a U-shape in order to prevent the fall of the transport object 160. It consists of a pair of side carrier rollers (120a) and a center carrier roller (120b) located between them.

However, since the carrier roller 120 as described above supports the belt 150 which is transported in the state in which the shipment 160 is loaded when the belt conveyor facility 100 is operated, the surface of the carrier roller 120 is a belt ( It is easily worn by friction with 150). In addition, since most of the equipment is installed outdoors, the carrier roller 120 itself is easily corroded. If such wear and corrosion occurs, there is a possibility that a heat generation can lead to a large accident that causes a fire on the belt conveyor. Therefore, such a carrier roller 120 should replace the carrier roller 120 itself when the damage is severe through periodic maintenance work, the replacement of the conventional carrier roller 120 is schematically shown in FIG.

As shown in FIG. 2, in the replacement operation of the carrier roller 120 mounted on the stand 200, approximately 3 to 4 workers use the jig 210 or a chain block such as a jig for the carrier belt 150. Was forcibly lifted from the roller 120, and then the lateral or center carrier rollers 120a and 120b were replaced.

In other words, the carrier roller stand 200 on which the carrier rollers 120 are mounted is installed in a state in which position adjustment is impossible. Therefore, in order to replace the carrier roller 120 from the stand 200, approximately 3 to 4 workers are forced to lift the belt 150 by using a jig, such as a jig 210 or a chain block. The carrier roller 120 is to be replaced. However, since the carrier belt 150 is in close contact with the skirt 180 under the chute 170, a lot of manpower and time are required to lift it, and thus the replacement of the roller 120 is also significantly delayed. Therefore, it causes a problem that greatly lowers the operation rate of the belt conveyor equipment 100 that must be stopped during the roller replacement operation.

Furthermore, when replacing the carrier rollers 120 adjacent to the chute 170 installed in the line change section shown in FIG. 1, the worker lifts the belt 150 using the jig 210 and lifts the carrier roller 120. Replacing itself is also quite difficult, because the lifting of the belt 150, using a jig and working on the frame to raise the risk of safety accidents of the worker is very high.

Therefore, if the stand itself with the carrier roller can be detached without lifting the belt, the replacement of the carrier roller will be easier.

Accordingly, the present invention has been made to solve the above-described problems of the prior art, the object of the present invention is to configure the roller stand on which the carrier roller is detachably configured to easily lift the belt during the replacement operation of the carrier roller It is to provide a separate carrier roller stand assembly that allows the carrier roller to be replaced.                         

Another object of the present invention is to provide a detachable carrier roller stand assembly which can prevent a safety accident that may occur in the replacement operation of the carrier roller.

The detachable carrier roller stand assembly provided according to the features of the present invention for achieving the above object of the present invention has a long U-shaped appearance and a plurality of rollers on the side; First and second upper frames supporting a plurality of pairs of support bars rotatably supporting a carrier roller of a belt conveyor, having a long inverted U-shaped appearance and configured to slide in the rollers of the lower frame; And fastening means for fastening the first and second upper frames to the lower frames.

Various features and advantages of the present invention described in connection with the accompanying drawings will be apparent to those of ordinary skill in the art.

3 is a perspective view of a detachable carrier roller stand assembly according to a preferred embodiment of the present invention, FIG. 4 is a cross-sectional view taken along line AA of FIG. 3, FIG. 5 is a front view of the assembly shown in FIG. 3, and FIG. 6. Is a view showing the inside of the portion B in FIG. In FIG. 4, for the sake of understanding, a portion of the support bar 12b in the immediate direction is cut to show a portion of the support bar 12a in the rear. Hereinafter, for convenience, it will be described with reference to FIGS. 3 to 6.

The detachable carrier roller assembly of the present invention has an inverted U-shaped first and second upper frame 10a in which three pairs of support bars 12a and 12b rotatably support three carrier rollers 18a and 18b. , 10b) and a U-shaped lower frame 20 disposed below these upper frames 10a and 10b. The lower frame 20 has a narrower width than the upper frames 10a and 10b, and a plurality of rollers 22 are installed at both sides thereof so that the upper frames 10a and 10b and the lower end contact each other. Accordingly, the upper frames 10a and 10b may slide on the roller 22.

The first and second upper frames 10a and 10b are provided with touch bars 36 adjacent to abutment points, and the lower frame 20 has a limit switch at a position corresponding to the touch bar 36. 38, limit switch) is installed. Typically, the limit switch 38 refers to a switch to which the contact is switched when the operation reaches a certain limit position in a mechanical device or the like. Meanwhile, the frame guide bar 34 is installed at a position adjacent to the limit switch 38 to elastically support the upper and lower frames 10a, 10b and 20.

The lower frame 20 has a rocker 24 formed at the left end, and the rocker 24 extends through the straight cutout 26 formed at the left end plate of the upper frame 10a. A fastening pin 28 is inserted through the slot formed in the 24 to fix the first upper frame 10a to the lower frame 20. A rocker 24 having the same configuration is formed at the right end of the lower frame 20, and the rocker 24 is also fastened to the cutout portion 26 of the second upper frame 10b by the fastening pin 28. 2 Fix the upper frame 10b to the lower frame 20.

In addition, the pair of support bars 12a rotatably supporting the central carrier roller 18a may be connected to the first upper frame 10a through a pair of slots 14 formed in the upper plate of the first upper frame 10a. Extend inwardly; These support bars 12a are connected to the inclined backing bracket 42 as shown in FIG. The backing bracket 42 together with the rubber member 44 not fixed to the first upper frame 10a forms a first inclined holder having a right triangle shape. On the other hand, a second inclined holder 46 made of rubber is installed on the lower frame 20 to support the backing bracket 42. On the other hand, stoppers 16 are formed on both lower surfaces of the support bar 12a, and these stoppers 16 are spaced apart from the upper surface of the first upper frame 10a by a predetermined distance a. These stoppers 16 restrict the support bar 12a from further descending as the first upper frame 10a moves from the lower frame 20 to the left side as shown in FIG. 8 to be described later.

Meanwhile, fixing brackets 30 are installed at both ends of the lower frame 20 to fix the lower frame 20 to the stand base 32 by bolting or the like.

FIG. 7 is a front view illustrating the movement of the first upper frame in the longitudinal direction from the position shown in FIG. 5, and FIG. 8 is a cross-sectional view illustrating the inside of part C of FIG. Is a diagram showing adjacently. 7 and 8 together with the preceding drawings will be described the operation of the separate carrier roller stand assembly according to a preferred embodiment of the present invention.

First, the fixing pin 28 is pulled out of the slot of the rocker 24 from the fastening position shown in FIG. 5 to release the first upper frame 10a from the lower frame 20 in a detachable state. Subsequently, when the first upper frame 10a is moved to the left side of the drawing, the backing bracket 42 of the first inclined holder moves downward along the inclined surface of the second inclined holder 46 by the load. This is because the support bar 12a is fixed to the backing bracket 42 instead of the first upper frame 10a. When the support bar 12a is lowered in this way, the central carrier roller 18a installed on the support bar 12a is spaced apart from the belt 40 by a predetermined distance a, which is the stopper 16 and the first upper frame. It is equal to the interval a between (10a). As such, when the central carrier roller 18a is spaced apart from the belt 40, the first upper frame 10a may be freed from the belt 40 and easily moved.

Meanwhile, in this operation, when the first upper frame 10a is moved, the touch bar 36 is separated from the limit switch 38, and when such departure is detected, the belt conveyor is automatically stopped.

After moving in this way, the center or outer carrier rollers 18a and 18b installed on the first upper frame 10a can be easily replaced.

Meanwhile, the second upper frame 10b may also be disengaged from the lower frame 20 in a similar manner to the first upper frame 10a.

According to the present invention as described above, when the damaged carrier roller is replaced, the operator can easily move the roller stand from side to side without lifting the belt using a lever, thereby facilitating replacement of the carrier roller. In addition, the roller replacement time can be shortened to maximize the transportation efficiency of the conveyor equipment. In addition, the roller replacement operation is easy to have the effect of preventing the risk of a safety accident.

Although the above has been described with reference to the preferred embodiments of the present invention, those skilled in the art may vary the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. It will be appreciated that modifications and variations can be made.

Claims (5)

A lower frame 20 disposed in a direction crossing the belt conveyor and provided with a plurality of rollers 22; A plurality of pairs of support bars 12a and 12b rotatably supporting the carrier rollers 18a and 18b, the first frame being supported by the roller 22 provided with the lower frame 20 and configured to slide respectively And second upper frames 10a and 10b; When separating the first upper frame (10a), the carrier roller for supporting the central portion of the belt conveyor is configured to include a separation means so that the separation from the conveyor belt, The spacing means A slot formed in the first upper frame 10a so that the support bar 12a for supporting the center carrier roller 18a passes therethrough; A first inclined holder formed on a lower end of the support bar 12a supporting the central carrier roller 18a and having a lower surface inclined upward in a direction of the second upper frame 10b; And a second inclined holder which is formed to be inclined in a direction opposite to the first inclined holder, and is provided in the lower frame 20 to support the first inclined holder. According to claim 1, wherein the lower frame is composed of a U-shaped appearance, The first and second upper frame has a U-shaped appearance disposed in the opposite direction to the lower frame, The roller provided in the lower frame is disposed on the outside or inside of the lower frame is separated carrier roller stand assembly, characterized in that the first and second upper frame is supported and slidable. delete According to claim 1, Fastening means for fastening the first and second upper frame (10a, 10b) to the lower frame 20 is further provided, The fastening means A straight cutout formed in an end plate located at a distance from each other in the longitudinal direction of the first and second upper frames; A locker having a slot and provided at both ends in the longitudinal direction of the lower frame such that the slot protrudes outward through the cutout; And And a fastening pin inserted through the slot of the rocker to fix the first and second upper frames to the lower frame. 2. The detachable carrier roller stand assembly according to claim 1, wherein the support bar (12a) is further provided with a stopper for adjusting the separation distance between the carrier roller and the vent conveyor disposed at the center portion.

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