KR100668694B1 - Apparatus for preventing the belt transferring raw materials from damaging - Google Patents

Abstract

An apparatus for preventing a raw material-transferring belt from being damaged is provided to improve the loading work of the raw material without the belt maintenance by precluding the belt from being impaired. An apparatus for preventing a raw material-transferring belt from being damaged comprises a belt(21) installed at a chute(20) and rotated on an endless-track; a pulley(22) mounted in the belt to rotate the belt; touch targets(31) mounted on the belt to sense whether or not an iron piece(11) is contacted when the raw material is transferred on the belt; touch limiter bars installed at the lower side of the touch target to sense the movement of the touch target if the iron piece is contacted with the touch target; a lower support plate installed at the lower side of the touch limiter bar; and a belt stopping apparatus(34) connected to the touch limiter bar to stop the movement of the belt if the sensed signal of the iron piece is received. The touch target is installed on the belt contacted with the pulley.

Description

APMATATUS FOR PREVENTING THE BELT TRANSFERRING RAW MATERIALS FROM DAMAGING}

1 is a schematic view showing for explaining the case of the belt is damaged in the raw material conveying apparatus according to the prior art.

Figure 2 is a schematic diagram showing the configuration of the belt damage prevention device for raw material transfer according to the present invention.

3 and 4 is a detailed assembly and partial exploded view showing a part of the configuration of Figure 2 in more detail.

Figure 5 is a detailed view showing when the iron piece is in contact with the touch target of FIG.

<Description of the symbols for the main parts of the drawings>

11. Iron piece

21. Belt

22. Pulley

31.Touch Target

32. Touch Limiter Bar

33. Lower support plate

34. Belt stop

41. Storage member

42. Shock Absorber Wheel

43. Buffer Roller

The present invention relates to a belt damage prevention device for raw material transfer, and more particularly, in the process of unloading the raw material in a ship and transporting the raw material through a belt conveyor, the iron pieces are mixed in the raw material, and the iron piece detector is disabled to detect the iron piece detector. The present invention relates to a belt damage preventing device for raw material conveyance to prevent the belt from being damaged due to friction caused by being caught by the inner surface of the chute hole and being rubbed by the chute hole.

In general, steel mills supply logistics (raw materials) by unloading through ships to supply fuel and raw materials. Therefore, the raw materials of ships docked at the pier are loaded into the hopper using the bucket of the unloading crane unloader, so that the two belts in the cabin are fed by the feeder, the hopper gate, and the dispensing device. The conveyer is relayed to each ground belt conveyor through the conveyor to be loaded and supplied to the yard.

In the process described above, the unloading work is determined by the loading schedule, and the work route is determined according to the kinds of raw materials, the yard loading, the line conditions, etc., and several unloading machines are selected in one line. Transport.

At this time, in the process of discharging the raw material of the ship to the hopper using the bucket of the unloading crane unloader by discharging by the dispensing device, the iron pieces mixed with the raw material in the in-flight belt due to malfunction and operation of the iron detector in Figure 1 As shown, when the passed iron piece 11 and the transport drops to the lower side of the chute 10, the iron piece 11 is caught by the inner side surface of the chute 10, and the iron piece 11 as shown in 'A' of FIG. Plugged in. This causes damage such as the belt tearing due to the continuous frictional force of the belt 13 rotating on the pulley 14.

Particularly, in particular, when several unloading machines are mixed and transported with a large amount of raw material transport when a plurality of unloading machines are discharged in one line, when the iron pieces 11 are not detected by the iron piece detector and pass through immediately, or The equipment attached to the loader (unloader) is eliminated due to aging, vibration, corrosion and wear, and the mixed iron material 11 mixed with the raw material is conveyed by being mixed with the raw material by passing through without being detected by the iron piece detector.

When the iron piece 11 falls to the bottom of the chute 10 during this transportation, the iron piece 11 is inserted into the belt 13 while the inner part of the chute 10 hole and the belt 13 rear part are caught ('A'). (13) by the force of the friction to rotate the friction, which is a cause of damage to the belt 13 is a cause of damage, the cost of the maintenance and replacement of the belt 13 according to the damage of the belt (13) Generation and the cause of the deterioration of the raw material unloading work, and the operator's mental burden.

In more detail, first, the raw material and the iron pieces 11 are mixed in the ship, and when a large amount is generated, the iron pieces 11 are passed and transported due to the malfunction of the iron pieces detector, and are dropped into the chute 10 so as to be caught in the side hole inside the chute 10. The wear phenomenon of the belt 13 is produced by being plugged into the belt 13 ('A').

And when the unloading operation of several unloading machines in one line of the selected ground line is discharged and transported in a large amount and the raw material and the iron pieces 11 are mixed and transported, it is buried in a large amount of raw material and passed through the iron detector without being detected. (13) An accident occurs when the belt 13 is damaged by being plugged into the rear portion ('A').

In addition, when the attached equipment of the equipment on the ball belt conveyor falls due to vibration, abrasion of the fixing bolt, corrosion of the support, and the like, a malfunction occurs, and the iron piece 11 passes, the belt 13 falls down and falls down the chute 10. ) It is plugged into the rear part ('A') and causes damage to the belt 13.

In addition, during the rain unloading operation, the iron piece detector is installed outdoors, and the iron piece 11 passes through malfunction or inoperability due to a short circuit due to rainwater, and the like, thereby causing damage to the belt 13.

In addition, even when the iron piece 11 is detected due to visual disturbance at night, if the iron piece 11 is not found, the iron piece 11 passes and causes a belt damage accident.

The present invention was created in order to solve the above problems, and provides a belt damage prevention device for raw material transfer to prevent the belt accident accident by notifying the user at the same time the belt is stopped (stop) when the iron piece passes. Its purpose is to.

The belt damage prevention device for raw material conveyance of the present invention for achieving the above object, the belt is installed on the chute provided so that the raw material is transferred and rotates in an infinite track; A pulley installed in the belt to rotate the belt; A plurality of touch targets installed on the belt to detect the iron pieces which are mixed with the raw materials and damage the belt when the raw materials are transferred onto the belts; A touch limiter bar installed at a bottom of the touch target to detect movement of the touch target when the iron piece contacts the touch target; A lower support plate installed at a bottom of the touch limiter bar to support and receive them; And a belt stop device connected to the touch limiter bar and stopping the operation of the belt when a detection signal of the iron piece is received from the touch limiter bar.

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

Figure 2 is a schematic view showing the configuration of the belt damage prevention device for raw material transfer according to the present invention, Figure 3 and Figure 4 shows a detailed assembly and partial exploded view showing a part of the configuration of Figure 2 in more detail Are respectively shown.

Referring to each of the drawings, the belt damage prevention device for raw material transport according to the present invention, for example, the belt 21 is installed in the chute 20 provided to transport the raw materials such as coal (coal) in the steel mill rotates in an infinite track And a pulley 22 installed in the belt 21 to rotate the belt 21, and a plurality of the pulleys 22 are installed on the belt 21 to be mixed with the raw material when the raw material is transferred onto the belt 21. The iron piece 11 damaging the 21 is configured to include a touch target 31 for detecting the contact.

And in the belt damage prevention device for raw material transport according to the present invention, a plurality is installed on the bottom of the touch target 31 to detect the movement of the touch target 31 when the iron piece 11 is in contact with the touch target 31. The touch limiter bar 32, the lower support plate 33 installed at the bottom of the touch limiter bar 32 to support and accommodate them, and the touch limiter bar 32 and the cable 34d are connected to each other and installed. When the detection signal of the iron piece 11 is received from the limiter bar 32, a belt stop device 34 for stopping the operation of the belt 21 is provided.

The touch target 31 is installed on the belt 21 in contact with the pulley 22 and at the same time several dogs are arranged in a checkerboard shape in a vertical direction.

The touch limiter bar 32 may include a touch bar 32a installed at the bottom of the touch target 31 and an elastic member installed at the bottom of the touch bar 32a and compressed according to the pressure of the iron piece 11. 32b) and the base 32c which is provided in the bottom part of this elastic member 32b, and supports the elastic member 32b. At this time, the elastic member 32b is made of a compression coil spring.

In addition, the belt stopping device 34 is provided with a control box 34a for controlling the belt 21 when the iron piece 11 is in contact with the belt 21, and is provided at one side of the control box 34a. It is configured to include a warning device for notifying the user that the iron piece 11 in contact with the belt 21. In this case, the warning device is configured to include a buzzer 34b or a lamp 34c provided to inform the user that the iron piece 11 is in contact with the belt 21 by sound. .

The plurality of touch targets 31 are installed by a housing member 41 having a plurality of storage portions 41a for storing the touch targets 31 one by one at the bottom thereof.

In addition, a plurality of buffer wheels 42 are installed at the bottom of the lower support plate 37 to prevent vibration of the belt 21. At this time, one side of the buffer wheel 42 is provided with a compression coil spring (42a) to reinforce the buffer force. The buffer wheel 42 is located corresponding to the left and right edges of the pulley 22, respectively.

A plurality of buffer rollers 43 are installed at the bottom of the lower support plate 33 to prevent friction between the lower support plate 33 and the surface of the belt 21.

In addition, the lower support plate 33 is supported on the side of the chute 20 and the connecting member 33a is formed integrally with the lower support plate 33 on the front left and right of the lower support plate 33 to be installed.

And the connecting shaft 51 is fitted to the front and rear portions of the left and right connecting member 33a, the elastic member is installed between the connecting shaft 51 so that the buffer force is applied when the connecting member 33a is installed. At this time, the elastic member is made of a torsion coil spring (52).

The cleaner 61 is installed on the belt 21 toward the front of the lower support plate 33 to block the inflow of raw materials between the lower support plate 3 and the receiving member 41.

Referring to the action of the belt damage prevention device for raw material transfer according to the present invention having the configuration as described above are as follows.

Referring to the drawings again, as described above, when the raw material such as coal is mixed with the iron piece 11 in the process of being transported through the belt 21, the iron piece 11 detector malfunctions and cannot be operated. When the iron piece 11 passes and falls into the chute 20, it is caught by the inside of the chute 20 and inserted into the back of the belt 21 so that the belt 21 is subjected to friction by the rotational direction of the belt 21. ) Has been damaged.

Therefore, in the related art, when the iron piece 11 passes due to a malfunction and inoperability of the iron piece 11 detector, the belt 21 is damaged in an unprotected state.

In order to prevent this, the device for preventing damage to the material transfer belt is provided with a plurality of touch targets 31 in the form of a checker board, and a touch limiter bar 32 is installed at the bottom of the touch target 31. As shown in FIG. 5, when the iron piece 11 touches the touch target 31, it is transmitted to the control box 34a of the belt stopping device 34 to stop the belt 21, the buzzer 34b rings, and The lamp 34c lights up.

Therefore, the user recognizes this, picks out the iron piece 11 from the raw material, and checks the state of the belt 21. At this time, when the iron piece 11 contacts the touch target 31, it is transmitted to the touch limiter bar 32, and the control box 34a immediately receiving the detection signal stops the belt 21. ) Is not damaged.

When the belt 21 rotates, vibration occurs in the belt 21 due to rocking of the pulley 22 and vibration and inadequate compression (tension) of the belt 21. This prevents the vibration of the belt 21. The shock absorbing wheel 42 employing the compression coil spring is fastened on the left and right pulleys 22, respectively. In addition, the main body of the touch target 31 is fastened to the buffer roller 43 to prevent friction with the surface of the belt 21, the lower support plate 33 is provided on the bottom of the checkerboard-type touch target 31. Therefore, the durability of the belt 21 and pulley 22 devices, the touch target 31 and the peripheral device can be increased, and these devices can be protected.

As described above, the belt damage preventing device for raw material transport according to the present invention has the following effects.

When unloading the raw materials from the ship and transporting them through the belt conveyor, the iron pieces are mixed and caught on the inner surface of the chute hole (all chutes) when they are transported through the iron detector without being detected due to the malfunction of the iron and the operation of the iron detector. The belt can be inserted into the back of the belt and rubbed to prevent the belt from being damaged. Therefore, the belt can be prevented from being damaged and the belt can be prevented from being repaired or replaced, thereby contributing to cost reduction, improving the efficiency of unloading the raw materials, and relieving the burden on the driver.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (17)

A belt installed on the chute provided to feed the raw material and rotating in a caterpillar; A pulley installed in the belt to rotate the belt; A plurality of touch targets installed on the belt to detect the iron pieces which are mixed with the raw materials and damage the belt when the raw materials are transferred onto the belts; A touch limiter bar installed at a bottom of the touch target to detect movement of the touch target when the iron piece contacts the touch target; A lower support plate installed at a bottom of the touch limiter bar to support and receive them; And a belt stop device connected to the touch limiter bar and stopping the operation of the belt when a detection signal of the iron piece is received from the touch limiter bar. The method of claim 1, And the touch target is installed on a belt in contact with the pulley. The method of claim 1, The touch target is a belt damage prevention device for raw material transport, characterized in that several dogs are arranged in a regular checker board shape in up, down, left and right. The method of claim 1, The touch limiter bar, A touch bar installed at a bottom of the touch target; An elastic member installed at a bottom of the touch bar and compressed according to pressure of the iron piece; And a pedestal installed on the bottom of the elastic member to support the elastic member. The method of claim 4, wherein The elastic member is a damage preventing device for raw material conveying, characterized in that it comprises a compression coil spring. The method of claim 1, The belt stop device, A control box for controlling the belt when the iron piece is in contact with the belt; And a warning device installed on one side of the control box to notify the user that the iron piece is in contact with the belt. The method of claim 6, The warning device, raw material transfer belt damage prevention device characterized in that it comprises a buzzer. The method of claim 6, The warning device, raw material transfer belt damage prevention device, characterized in that it comprises a lamp. The method of claim 1, And the plurality of touch targets are installed by an accommodating member having a plurality of accommodating parts capable of accommodating the touch targets one by one at the bottom thereof. The method of claim 1, At the bottom of the lower support plate, a plurality of buffer wheels for preventing damage to the raw material conveying belt is installed. The method of claim 10, One side of the buffer wheel is characterized in that the compression coil spring is installed to reinforce the buffering force, characterized in that the belt for preventing material transfer damage. The method of claim 10, The buffer wheel is a damage prevention device for raw material conveying, characterized in that located on the left and right edges of the pulley, respectively. The method of claim 1, Belt damage prevention device for raw material transfer, characterized in that a plurality of buffer rollers are installed on the bottom of the lower support plate. The method of claim 1, The lower support plate is supported on the side of the chute for preventing damage to the material transport belt characterized in that the connecting member is formed integrally with the lower support plate to the front left and right of the lower support plate to be installed. The method of claim 14, A connecting shaft is inserted into front and rear portions of the left and right connecting members, and an elastic member is installed between the connecting shafts so that a cushioning force can be applied when the connecting member is installed. The method of claim 15, The elastic member is a damage prevention device for raw material conveying, characterized in that it comprises a torsion coil spring. The method of claim 1, Device for preventing damage to the material transport belt, characterized in that the cleaner is installed on the front of the lower support plate.

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