SU882845A2 - Method of changing conveyer belt - Google Patents

Description

(54) METHOD FOR REPLACING THE CONVEYOR BELT

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FIELD OF THE INVENTION The invention relates to a lifting and transport machinery, in particular to a method for replacing a conveyor belt.

According to the main author. St. No. 821335 is a known method of replacing a conveyor belt by cutting an old belt and connecting its ends between itself and the end of a new belt, while the end of the old sheet is swiveled 180 ° relative to the longitudinal axis 1 before attaching it to the new one.

The disadvantage of this method is the need to staple the ends of the old tape after cutting with a winch, as in the case of replacing a tape with a flip of the end of the tape along the helical surface, the tape is shortened by 1-2 meters depending on its width. This operation is time consuming and delays in time the main operations of the technology — replacing the tape. It is necessary not only to stretch the tape, overcoming the tension of the tensioning station and its own weight of the tape. But it is necessary to unfold it, while keeping the ends from diverging into the original polo ix.

The purpose of the invention is to reduce the time and labor required to replace the belt by using a conveyor drive.

This goal is achieved by cutting one old branch before cutting one branch relative to the conveyor and the other branch is connected at the place of the cut by means of ropes to a driving drum to wind ropes onto it at a driving drum.

FIG. 1 shows a conveyor with the old end of the old tape and the end of the Iovite connected; FIG. 2 - the process of dismantling the old leita from the conveyor;

10 and FIG. 3 - conveyor with a fixed lower branch and attached by the upper branch of the ropes to the drive drum, side view; FIG. 4 - the same plan view; in fig. 5 - Conclusion of a stage J turn over. the ends of the tape after they were shrunk (the dotted line shows the profile of the unfolded end of the old cast, obtained (thanks to the ending of the ends with cables of different length).

The method is carried out as follows.

The old tape I is cut and, with the help of rivets, 2 rolls, turned 180 ° relative to each other, are joined with

Connonera. A new copy of the tape 3. wound on a drum 4 is connected to the working surface of the old tape 1 anywhere on the conveyor, to the top or bottom branch. The operations of connecting the new tape to the old one and turning the ends of the old tape can be combined in time. After turning on the drive of the conveyor, the new belt is pushed onto the conveyor and, after a coup d'état, is brought under the old belt onto rollers 5 of the conveyor.

After the new belt is completely put on the conveyor, the ends of the new belt are temporarily connected with rivets 2, and the old one is uncoupled and, having eliminated the revolution, one of the ends is connected to the empty drum 4. Turn on the drum and conveyor drives and wind the old belt on drum 4.

After that, the ends of the new tape vulcanize. For better direction and fixation of the coup on the conveyor, horizontal 6 and vertical 7 rollers are installed. But when organizing a coup on the upper branch, where the rollers form the shape of the gutter, these rollers 6 and 7 are not necessary.

The operations of cutting, turning over the ends of the old tape and joining them are carried out as follows.

After the conveyor has stopped, the old branch of the old belt 1 is connected by a rope 8 to a belt stand. The upper branch is also connected by ropes 9 to the driving drum 10. On the fO drum, the rope 9 is fixed by means of pins 11 welded to it, and on the tape by clamps 12. Moreover, both ropes 9 are fixed parallel to each other or crosswise (Fig. 4 shows poi. The crossover of the ropes better centers the belt with tension, the research institute, allows only two pins 11 on the drum 10 to be used, and also contributes to the reversal of the tensioned end of the belt by 180 ° (shown in Fig. 5 by the dotted line). To do this, you need one of the ropes installed crosswise taken 0.5 m shorter than the other.

Thus, after the tape branches are attached by ropes to the drum and the band stand, the upper branch is cut in position 13, the rotation of the drum 10 is turned on and the rope 9 is wound on pins

Tie pushes the end of the cut tape to the drum. After that, the conveyor drive is stopped, the free end of the loop is rotated 180 ° and connected to the raised end of the rivets 2. Then the drive is reversed, the branch slack is selected

tapes with a screw surface and disconnecting the cables 9 and 8 with the clips 12. Next, the replacement process is repeated.

The end can be reversed to an unobstructed cable of various lengths 9 in the process of pushing the end of tape I. At the same time, the short cable pulls more quickly and tends to shift the edge of the tape connected to it to its side. When this happens, the tape is inverted, since the second rope passing the iad is short,

Also, the opposite edge of the belt is pulled to its side. The grooved location of the rollers on the upper branch of the conveyor contributes to the revolution.

Claims (1)

Invention Formula How to replace the conveyor belt auth. St. No. 821335, characterized in that, in order to reduce time and labor by replacing the belt by using the conveyor drive, before cutting the old leita, one of its branches is fixed in the direction of the stand of the conveyor, and the other branch in the place of the cut is connected by means of ropes to the driving drum for winding he ropes when tightening the tape to the drive drum. Sources of information taken into account during the examination 1. USSR author's certificate No. 821335, cl. At 65 G 15/28. 1978 (prototype). 1Z / 5 eleven Fig.Z 3 t W 4.