KR20020052392A - Apparatus for exchanging return roller in belt conveyor - Google Patents

Abstract

PURPOSE: A return roller changer of a belt conveyor is provided to maintain a stable work by easily changing a roller even during working and by avoiding the occurrence of a pause. CONSTITUTION: A return roller changer of a belt conveyor comprises a changer fixing base(11a) including a belt width control base(12a), a fixing base(13a), and a width control cylinder(15a), an F-shaped moving block support iron plate(11b) having moving an I-shaped moving block(11d) inserted to a moving block movement hole(11c), bearings(12b,13b,13b') fixed on the upper portion of the changer fixing base, new roller installation cylinders(12g,13g) having broken roller removal cylinders(12e,13e) and fixing hooks, and a rotating stopper(12c) having a stopper movement hole rotating simultaneous with the rotation of the fixing base. After adjusting the width of the roller changer, a new roller is installed in the new roller installation cylinder. The broken roller removal cylinder is lifted up. After completely removing a broken roller, the fixing base is rotated. Then, the new roller is placed in the position of the broken roller.

Description

Belt Conveyor Return Roller Exchanger {APPARATUS FOR EXCHANGING RETURN ROLLER IN BELT CONVEYOR}

The present invention relates to a belt conveyor return roller exchange device and method, and more particularly, to a belt conveyor, which is a continuous transport facility, to easily replace a worn and damaged return roller during operation by using a hydraulic device during operation or stop. The present invention relates to a belt conveyor return roller exchange apparatus and method.

In general, the steel mill uses the roller bracket 32 below the belt conveyor support frame 33 to fix the belt conveyor of the belt conveyor, so that the return roller 31 is fixed.

The rollers are installed thousands or tens of thousands of rollers depending on the length of the belt, so that the replacement work is performed every day by a replacement company in case of breakage or wear.

At this time, in order to replace the return roller 31 in the bracket 32, it is pushed upward in the bracket hole 31a and then pushed in the left or right direction to separate the waste roller from the bracket 32.

Conventionally, in order to replace the waste return roller 31, the belt conveyor 34 is erected and the fixing bolt is dismantled from the belt conveyor 34 frame 33, and then it is under the belt for the exchange operation using a lever or a hand tool. Replacing the return roller by lifting the return belt with the above-mentioned hand tools is performed by manpower. However, there is always a risk of safety hazard and there is no spare time to build the belt conveyor in continuous operation. And burnout accidents are occurring.

The present invention was created in view of the above-described problems of the prior art as described above to solve this, safety hazards that may occur during the return roller replacement work, affecting the operation due to the replacement work time delay due to the difficulty of replacement work In order to solve such problems, it is possible to easily replace damaged rollers by using a return roller exchanger during operation to prevent safety accidents and to improve the efficiency of facility management without causing downtime. It is an object of the present invention to provide a belt conveyor return roller exchange device and method.

The above object of the present invention is a belt width adjustment base and a fixed base is installed in the upper triangular structure and its lower end is opened so that the width adjustment cylinder can be mounted to the exchanger is installed fixed base and belt width adjustment base A fixed base; The moving block is protruded integrally on both sides of the moving block along the moving block moving hole to the inner side so that the 'I' shape moving block is inserted into the moving block moving hole to move the sliding block. A 'F' shape moving block supporting steel plate which can be manufactured by the length of the moving hole and can be varied according to the belt conveyor width; A fixed bearing block composed of a belt width adjustment base and a fixed base on an upper portion of the exchanger fixed base; The bearing block is fixed to the bearing block to prevent the belt width adjusting base from sagging, and the opposite side of the bearing block is fixed to the fixed base to move the moving block along the moving block hole along the forward and backward movement of the width adjusting cylinder to fix the width adjusting base. A rotation stopper moving hole inserted into the base to adjust according to the belt width; A rotating stopper is integrally formed according to the hole, and a broken roller removing cylinder and a fixing hook are fixed integrally on an upper surface thereof, and a new roller mounting cylinder on a front surface thereof; The roller mounting hook is integrally formed on the mounting cylinder, and a shaft having a belt width sensor is inserted into the fixed base such that the rotating stopper moving hole is simultaneously rotated when the fixed base is rotated by the roller removing cylinder. It is achieved by constructing.

1 is a belt conveyor installation cross-sectional view of the belt conveyor return roller exchange apparatus according to the present invention,

2 is a front view of the belt conveyor return roller exchange apparatus according to the present invention,

3 is an exemplary view showing a width adjustment operation according to the belt width of the belt conveyor return roller exchange apparatus according to the present invention,

4a to 4e is a side view briefly showing the procedure from the removal of the waste roller to the installation of the new roller of the belt conveyor return roller exchanger according to the present invention;

5 is a detailed cross-sectional perspective view of the belt conveyor return roller exchange apparatus according to the present invention;

6 is a detailed view of the fixed base of the belt conveyor return roller exchanger according to the present invention;

7 is a detailed view of the moving base of the belt conveyor return roller exchange apparatus according to the present invention,

8 is a hydraulic device of the belt conveyor return roller exchanger according to the present invention,

9 is an operation flowchart of the belt conveyor return roller exchange apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

31: Damaged return roller 31a: New return roller

32: bracket 32a: bracket hole

33: belt conveyor base 34: belt conveyor

35: conveyor moving path 10: return roller exchange device

11a: fixed base 11b: movable block supporting steel plate

11c: moving block moving hole 11d: moving block

11e: release stopper 15a: width adjustment cylinder

15b: fixing pin 16a: roller receiving fixing bracket

16b: roller receiving 12a: width adjusting base

12b: width adjustable base bearing 12c: rotary stopper

12d: belt width sensor 12e: broken roller removal cylinder

12f: Roller mounting fixing hook 12g: New roller mounting cylinder

12h: New roller mounting hook 13a: Fixed base

13b, 13b: fixed base bearing block 13c: rotary stopper moving hole

3d: Belt width designation sensor 13e: Fixed part roller removal cylinder

13 f: roller mounting fixing hook 13 g: roller mounting cylinder

13h: roller mounting hook 13i: stopper

14a: roller mounting cylinder 14b: cylinder fixing bracket

14c: cylinder fixing base 17a: control unit

17b: solenoid valve 17c: hydraulic system

Hereinafter, a preferred embodiment according to the present invention will be described in more detail on the basis of the accompanying drawings.

1 is a sectional view of the belt conveyor installation of the belt conveyor return roller exchanger according to the present invention, Figure 2 is a front view of the belt conveyor return roller exchanger according to the present invention, Figure 3 is a belt conveyor return roller exchanger according to the present invention Figure 4 is an exemplary view showing a width adjustment operation according to the belt width, Figure 4a to 4e is a side view briefly showing the order from the removal of the waste roller to the roller mounting of the belt conveyor return roller exchanger according to the present invention, 5 is a detailed cross-sectional perspective view of the belt conveyor return roller exchanger according to the present invention, Figure 6 is a detailed view of the fixed base of the belt conveyor return roller exchanger according to the present invention, Figure 7 is a belt conveyor return roller according to the present invention 8 is a detailed view of the moving base of the exchange device, and FIG. 8 is a hydraulic device diagram of the belt conveyor return roller exchange device according to the present invention. An operation flow diagram of the belt conveyor return roller exchanger according to the command.

According to Figures 1 to 9, the present invention is composed of a fixed base portion, an exchange device portion, a control unit.

In the fixed base part, the length of the exchanger base 11a of the return roller exchanger 10 is made wider than the width of the belt conveyor (for example, 1400mm in the case of 1200mm). When the return roller exchanger 10 can be mounted as shown and the configuration thereof is described as shown in FIG. 5, the exchanger base 11a has a belt width adjustment base 12a and a fixed base (top) at the top. 13a) can be installed and constructed in an inverted triangular structure to withstand strong pressure and its lower end is opened so that the width adjustment cylinder 15a is mounted as shown in AA of FIG. 5 and the fixed base 13a is opposite to the width. A moving block moving hole 11c capable of moving by inserting a moving block 11d of the adjustment base 12a is opened.

On the inner side, the movable block supporting steel plate 11b, which is completely fixed and can be moved when the movable block moves along the movable hole 11c, is integrally protruded on both sides of the inner side, and the protrusion is a movable hole 11c. The roller roller 16b is manufactured as long as the roller base 16b on which the new roller 31a and the waste roller 31 can be mounted on the outer wall of the exchanger fixing base 11a. Receiving fixing bracket (16a) is a number of integrally installed in a certain portion to enable the disassembly of the roller receiving (16b) and the cylinder fixing base on one side on which the fixing base (13a) of the exchanger fixing base (11a) is placed 14c is integrally fixed.

In addition, the separation prevention stopper 11e is fixed to the upper surface of the exchanger base 11a of the side where the fixed bearing block 13b of the fixed base 13a is fixed so that the fixed base 13a does not rotate more than a predetermined distance.

The exchange device portion is composed of a belt width adjustment base 12a and a fixed base 13a, and these two locations 12a and 13a are fixed to the upper part of the exchanger base 11a by bearing blocks 12b and 13b and have a width. The width adjusting base 12a is fixed to one side of the width adjusting base bearing block 12b and the other side of the width adjusting base 12a is fixed along the movable block hole 11c according to the forward and backward movement of the width adjusting cylinder 15a. When the moving block 11d moves, the width adjusting base 12a is fitted inside the fixed base 13a so that it can move along the width of the belt, and the rotation stopper 12c is integrally formed on the fixed base 13a on the side. One side of the rotary stopper 12c is provided with a belt width sensor 12d.

On the upper surface of the opposite width control base 12a on which the rotary stopper 12c is installed, a broken roller removing cylinder 12e and a roller takeout fixing hook 12f capable of removing the broken roller 31 are fixed integrally.

The roller mounting cylinder 12g and the roller mounting hook 12h are integrally mounted on the front surface of the removal cylinder 13e, and the moving base with the belt width sensor 12d is inserted into the fixed base 13a. The fixed base 13a is fixed to the base 11a by inserting the fixed base bearing blocks 13b and 13b 'on both sides thereof, and on the upper surface thereof, the rotation stopper movement to which the width adjusting base 12a rotary stopper 12c is fitted. The hole 13c is perforated by the moving block moving hole 11c, and the belt width specifying sensor 3d ?? n, which designates the belt width, is fixed to the moving hole 13c, connected to the control unit 17a, and the fixed base 13a. A broken roller removal cylinder 13e and a fixing hook 13f, which can remove the broken roller 31, are fixed integrally on the outer upper surface.

The new roller mounting cylinder (13g) and the new roller mounting hook (13h) are integrally mounted on the front of the removal cylinder (13e), and the roller mounting mounting cylinder (14a) is fixed outside the cylinders (13e, 13g). The cylinder fixing bracket 14b is integrally fixed to the fixing base 13a, and the roller mounting cylinder 14a is fixed with a fixing pin (not shown) .The rotation prevention stopper 13i is provided on the side of the fixing base 13a thus configured. ) Is composed of fixed.

According to the configuration of FIG. 8, the controller operates the hydraulic device 17c with the control program of FIG. 10 to move the solenoid valve 17b to perform the operations of FIGS. 3 and 4.

In more detail, when the waste roller 31 is generated and the replacement point is selected, the return roller exchanger 10 is installed at the working position to adjust the belt width according to the belt width to the moving base 12a. 13d) and the sensor width sensor 12d operate the belt width adjusting cylinder 15a so that the width of the roller changer is adjusted to the belt width, the new roller 31a is mounted on the mounting cylinders 12h and 13h, and the waste roller is closed. When the waste roller removal cylinders 12e and 13e for removing the 31 are raised to completely remove the waste rollers from the return roller bracket holes 32a, and the roller take-out / mounting cylinders 14a are operated, the fixed base 13a ), And the moving base 12a rotates at the same time by the fixed stopper 12c, so that the waste roller is taken out side and the new roller is placed in the position where the waste roller is removed. If this is done at the same time When the damaged roller is replaced and the new roller mounting cylinder (12g, 13g) is lowered, the new return roller 31a is automatically seated in the return roller bracket hole 32a by its own load. It is composed of a belt conveyor (34) return roller which can be separated and remove the waste roller (31) hanging on the waste roller fixing hook (13f).

The present invention made up of such a configuration works as follows.

Basically, the length of the exchanger base 11a of the return roller exchanger 10 is made wider than the width of the belt conveyor (e.g., 1400mm in the case of 1200mm, 1800mm in the case of 1600mm), and the conveyor movement path 35 As shown in FIG. 2, and when there is no moving passage, a hook-type fixing base (not shown) is used so as to be caught by the belt conveyor base 33. The configuration thereof will be described with reference to FIG. 5. Since the exchange base 11a is provided with a width adjusting base 12a and a fixed base 13a at an upper portion thereof, the exchanger base 11a has an inverted triangular structure to withstand strong pressure.

The lower end is opened so that the width adjusting cylinder 15a can be mounted so that the fixed base 13a and the width adjusting base 13a are installed, and the moving block 11d is inserted into the moving block moving hole 11c. On the inner side, the movable block is made by the length of the movable hole 11c protruding integrally to both sides of the inner side of the movable block supporting steel plate 11b along the movable hole 11c so that it can move as it slides. To be variable.

On the outer wall of the base 11a, roller rollers 16b and 16b 'on which the new roller 31a and the waste roller 31 can be mounted are fixed to both sides of the base 11a to be assembled and disassembled. Make sure to prevent the roller from falling down when handling it.

In addition, in order to prevent the fixed bearing block 13b of the fixed base 13a from sagging due to the roller weight when the new roller 31a is mounted, the fixed base 13a is detached from the upper surface of the base 11a so that the fixed base 13a does not rotate more than a predetermined distance. The exchange device portion, which is fixed by the prevention stopper 11e and composed of the width adjusting base 12a and the fixed base 13a, has two places 12a, 13a as bearing blocks 12b, 13b, 13b 'on the base 11a. Is fixed.

In particular, the bearing block 13b is fixed to the bearing block 12b so as to prevent sagging of the width adjusting base 12a, and on the opposite side, the fixed base 13a is fixed so that the moving block moves forward and backward along the width adjusting cylinder 15a. The moving stopper 12c along the rotating stopper moving hole 13c moves the moving block 11d along the hole 11c so that the width adjusting base 12a is inserted into the fixed base 13a and adjusted according to the belt width. ) Is integrally formed.

Damage roller removal cylinders 12e and 13e and fixing hooks 12f and 13f are integrally fixed to the upper surface, and new roller mounting cylinders 12g and 13g and new roller mounting hooks 12h and 13h are integrally fixed to the front surface. And the shaft with the belt width sensors 12d and 3d is inserted into the fixed base 13a so that the fixed base 13a is rotated by the roller taking-out cylinder 13a and the rotary stopper moving hole 13c is rotated. 12c) is rotated at the same time to be rotated integrally.

Such a device is provided with a belt width designating sensor 13d and a sensing device for installing a return roller exchanger 10 at the work position when the replacement of the waste roller is selected to adjust the belt width according to the belt width to the moving base 12a. When the belt width adjusting cylinder is operated by the sensor 12d and the width of the roller changer is matched to the belt width (1000mm, 1200mm, 1400mm, 1600mm), the new roller 31a is mounted on the mounting cylinders 12h and 13h. The waste roller removing cylinders 12e and 13e for removing the waste roller 31 are raised.

After the roller is completely removed from the return roller bracket hole 32a and the roller mounting cylinder 14a is operated, the fixed base 13a starts to rotate, and thus the movable base 12a is driven by the fixed stopper 12c. While rotating at the same time, the waste roller is taken out to the side and the new roller is positioned at the position where the waste roller is removed, and while the take-out and installation work is performed at the same time, it is replaced and replaced by the lower roller mounting cylinder (12g, 13g). The roller is automatically seated in the return roller bracket hole 32a by its own load, so that the mounting hooks 12h and 13h are separated and the waste roller 31 hanging on the waste roller fixing hook 13f can be removed. Operation is operated so that it can be operated manually one by one.

As described in detail above, the present invention can safely replace the return roller, and the belt to solve the problems such as affecting the operation due to the difficulty of the replacement work due to the safety hazard prevention and heavy material handling that can occur during operation It is possible to easily replace damaged rollers by using the return roller exchanger even when the conveyor is stopped or in operation, thereby improving the efficiency of facility management without causing downtime and providing stable operation.

Claims (1)

The belt width adjustment base 12a and the fixed base 13a are installed on the upper part, and have an inverted triangular structure, and the lower end thereof is opened so that the width adjustment cylinder 15a can be mounted to adjust the fixed base 13a and the belt width. An exchanger fixing base (11a) provided with a base (12a); The moving block 11d moves to the inner side so that the 'I' shape moving block 11d is inserted into the moving block moving hole 11c and slides on the exchanger fixing base 11a. A 'F' shape moving block supporting iron plate 11b which is integrally protruded on both sides of the inner side along the hole 11c and manufactured as long as the length of the moving hole 11c and can be varied according to the width of the belt conveyor; A fixed bearing block (12b, 13b, 13b ') composed of a belt width adjusting base (12a) and a fixing base (13a) on top of the exchanger fixing base (11a); The bearing block 13b is fixed to the bearing block 12b so as to prevent the belt width adjusting base 12a from sagging, and the opposite side of the bearing block 13b is fixed to the front and rear of the width adjusting cylinder 15a. Therefore, the moving stopper 11d moves along the moving block hole 11c, so that the width adjusting base 12a is inserted into the fixed base 13a to be adjusted according to the belt width; The rotary stopper 12c is integrally formed in accordance with the hole 13c, and the damaged roller removal cylinders 12e and 13e and the fixing hooks 12f and 13f are integrally fixed to the upper surface thereof, and the roller mounting cylinder 12g is fixed to the front surface thereof. 13 g); The roller mounting hooks 12h and 13h are integrally formed on the mounting cylinders 12g and 13g, and shafts with belt width sensors 12d and 3d are inserted into the fixed base 13a and the fixed base 13a. Belt return roller exchanger, characterized in that it comprises a rotary stopper (12c) is rotated by the roller stopper mounting cylinder (14a) is rotated at the same time.