KR200243959Y1 - Tension Car Protection Device - Google Patents

Abstract

The present invention has a tension car (1) moved by a conveyor belt (18) operated by a belt conveyor drive motor (34), and a weight box (2) connected and operated through a wire rope (3). As a tension car protector, it is mounted on the lower side of the frame 14 of the tension car 1, has a mechanical contact as the roller 7, and has a proximity sensor 9 at the end of the shaft 8 of the roller, A roller type clamp detection device (35) having a housing (10) in which a spring (12) is accommodated by an installed receiving member (13), and a bracket (17) outside the housing (10); The thruster brake 21 and the reducer 22 adjacent thereto are connected to the drive motor 20 shaft, and the drum 24 is connected to the reducer, so that the wire rope 25 is wound around the drum 24. A winch device; A sheave device 28 provided above the tension tower 38 and having a detector 29 which detects a change in the length of the wire rope and protrudes at a predetermined interval; The hook 27 and the turnbuckle 26 is a wire rope 25 made of a double structure and the tension car protection device made of the government.

Description

Tension Car Protector

The present invention relates to a tension car which is a tension adjusting device of a belt conveyor used as a raw material transportation means in a steel mill. In particular, by installing a sensing device that detects that the weight box falls when the belt is broken and the tension car is conducted when the wire rope is broken, and a winch device with a brake function is installed to prevent failure of the above equipment, It is related to facility protection of tension adjusting device that can be used easily at work, and has the function to detect the occurrence of over coal in the belt conveyor head chute.

Conventional tension adjusting device according to the conventional tension car as shown in the drawings illustrating the prior art of Figs. 1 and 2 prevents the car from the following sequential belt conveyor headsuit penetrates under the tension, or the tension car is inverted In order to do this, four clamps in the form of bars are installed in the tension car autonomous system. However, when the above factors occur, they are excessively interfered with the rail bottom part and the bending is changed so that they cannot be reused. When the belt is broken, the weight box (weight: 7.5 tons) suspended by the wire rope falls to the tension tower (height: 8M), causing damage to the tower itself, as well as the tower and the sieve device. Problems that take too much time to action and cause a serious impact on the transportation of raw materials and also wire rope replacement and sheaves When the device is replaced and repaired, a large crane has to hang the weight box for a long time until the repair work is completed, causing a problem of excessive maintenance costs.

The object of the present invention is to provide a protective device for the belt conveyor tension adjusting device, and more specifically, to provide a roller-type clamp detection device to detect an abnormality of the tension car, thereby preventing the fall of the tension car and falling of the weight box, It detects this through a sensing device and stops the belt conveyor drive motor and winch drive motor to prevent the spread of equipment failure, and it is easy to replace and repair the wire rope and sheave devices. It is an object to provide a protective device.

In this paper, a clamp equipped with a function of detecting over coal infiltration or escape from underneath the tension car detects this and stops the belt car drive motor and the winch drive motor to prevent tension car fall and weight box fall. It prevents the occurrence of grenade, and when the belt is broken, the length change detection device using the tension tower sieve device detects this and stops the belt conveyor drive motor and the winch drive motor to prevent secondary spread of equipment failure. It provides a protection device for belt conveyor tension adjusting device that can reduce maintenance costs by allowing the repair work by hanging the weight box as a winch without using a large crane when replacing and repairing the wire rope and sheave device. .

1 is a view showing a tension car with a bar clamp of the prior art,

2 is a view for explaining the operation of maintaining the tension car protection device using a large crane in the prior art,

3 is a schematic diagram of a tension car protection device having a roller-type clamp detection device according to the present invention;

Figure 4a is a front sectional view of the roller clamp detecting device constituting the device of the present invention, (b) is a view showing a state before operation, (c) is a view showing a state after operation,

5A is a view showing the winch wire rope end fastening structure constituting the apparatus of the present invention, (b) is a view showing the winch device, (c) is a view showing the length change detection device of the wire rope,

6 is a view showing a belt conveyor constituting the tension car protection device according to the present invention.

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

1: tension car 2: weight box

3: wire rope 4: wheel

7: roller 8: shaft

9: proximity sensor 10: sensor housing

12: compression spring 13: spring receiving member

14: tension car frame 17: fixed bracket

18: conveyor belt 19: crane

20: winch drive motor 21: brake

22: reducer 34: belt conveyor drive motor

35: roller type clamp detection device

Referring to the configuration of the tension car protection device of the present invention with reference to the accompanying drawings as follows.

First, as illustrated in FIG. 3, when the grenade penetrates under the tension car 1 or breaks the wire rope connected to the weight box 2, the tension car 1 is inverted, that is, the tension car 1. Wheel 4 is spaced apart upwards on the travel rail 5, the configuration of the detection device for detecting the lifting, the position where the conventional bar-shaped clamp (6) is installed, that is, the travel wheel (4) Four sets of two sets of two sets of left and right outwards are provided. In order to prevent the sensing device from bending by mutually interfering with the bottom part of the rail 5, the mechanical contact portion is constituted by the roller 7, and the One end of the shaft 8 is vertically extended so as to be in contact with the proximity sensor 9 of the sensing device, and the end of the shaft 8 is formed in a protruding shape in order to increase the accuracy of the contact.

As shown in (a) to (c) of FIG. 4, the shaft 8 is installed to penetrate the center of the sensor housing 10 and the screw 36 can be integrated with the nut screw 11 at the lower end thereof. In order to prevent the lateral deformation of the spring 12 on the bottom of the sensor housing 10 formed of a structure capable of adjusting the tension of the compression spring 12 by the nut screw 11, The circumference is smaller than that of the housing 10, and the spring receiving member 13 is provided as a pipe having a size that can accommodate the spring 12.

In order to enable the spring 12 to be compressed to generate a sensing function when the housing 10 fixed to the tension car frame 14 moves upward, the lower portion of the housing gap 15 is integrally formed with the roller shaft 8. And a spring compression member 16 having a shape capable of accommodating the spring 12.

As a means to facilitate the inspection and replacement of the spring 12, the cap 15 with the screw 36 installed on the top of the housing 10 is installed on the top of the housing 10, so that the detection device 35 After the configuration is completed, three fixing brackets 17 which face each other are welded and installed on the outer surface of the appropriate point of the sensor housing 10, and the end of the bracket 10 opposite the housing 10 is connected to the tension car 1. The sensor is constructed by welding to the frame 14, and one set of proximity sensors 9 are installed directly above the contact portion of the sensor.

Next, when the belt 18 is broken, the weight box 2 is prevented from falling, and when replacing and repairing the wire rope 3 and the sheave device, the maintenance cost can be easily reduced by using it instead of the large crane 19. The configuration of a device for enabling the same will be described with reference to FIGS. 5 (a) to 5 (c) as follows.

First, as shown in FIG. 5, a thruster brake 21 is installed on the winch driving motor 20, and the brake 21 and the reducer 22 are connected to each other, and then the drum is connected to the reducer 22. Connect (24). Both ends of the wire rope 25 wound on the drum 24 are provided with a turnbuckle 26 and a hook 27 in a structure adjacent to each other.

In addition, the wire rope 25 is fixed to the weight box hanger 42 and fixed with a knot.

The electrical configuration for allowing the above mechanical components to generate the interlocking action is as follows.

The detector 29 is projected on the sheave device 28 for the wire rope 3 at regular intervals, and the state of change of the detector 29 is changed by the electrical contact 32 and the cable 33 by the counter 31. Proximity sensor 30 to be transmitted to the detector 29 and the speech is installed. In addition, the belt conveyor driving motor 34 is provided with an electrical contact 32 and a cable 33 in order to control the belt conveyor driving motor 34 and the winch driving motor 20 by the electric addition and subtraction action of the counter 31. ) And the winch drive motor 20.

In order to cause the stop control function to occur in the thruster brake, the electrical contact 32 and the cable 33 are also connected in parallel with the winch drive motor 20 to address the counter 31.

The proximity sensor 9 provided on the contact portion of the roller-type clamp detection device 35 is an electrical contact 32 and a cable 33. The belt conveyor driving motor 34 and the winch driving motor 20 and the thruster brake 21 are provided. To complete the electrical configuration.

Referring to the action of the tension car protection device of this article configured as described above are as follows.

6 shows the configuration of the belt conveyor tension adjusting device by the tension car 1 and the weight box 2. When the belt conveyor motor 34 is operated, the tension car 1 is mounted on the rail 5 ( The weight box 2 connected to the tension car 1 and the wire rope 3 moves from (A) to (A '), and shows the structure of adjusting the tension by moving from (B) to (B'). have.

In the present invention, the tension car 1 is generated when the belt 18 is broken or the wire rope 93 is broken, the weight box 2 falls, and the wire rope 3 and the sheave device 28 are broken. And a device that achieves a problem of excessive maintenance costs due to the mobilization of the large crane 19 during the repair work, and sequentially prevents the occurrence of falling coal in the belt conveyor head chute, when the belt 18 is broken, the tension car 1 The weight of the weight box 2 (7.5 tons) is moved toward the test tower 38, wherein the roller-type clamp detection device 35 installed in the belt 18 direction generates a sensing action or a sieve device ( The change of the detection body 29 protruding from 28 causes the setting device of the counter 31 to overlie the drive motor 34, the winch drive motor 20, and the switch connected to the electrical contact 32 and the cable 33. Stop control of the Lister brake 21 prevents secondary diffusion of equipment It becomes.

In addition, if one of the two wire ropes 3 is loosened due to breakage of the wire rope 3 or breakage of the sheave device 28, the wire rope of the tension car 1 may be unbalanced due to the unbalance of the length of the wire rope 3. (3) The sensing action occurs in the direction clamp detection device 35, and the belt conveyor motor 34, the winch driving motor 20, and the thruster brake 21, which have been spoken at the same time, are stopped at the same time. Diffusion is prevented.

Next, when replacing and repairing the wire rope 3 and the sieve device 28, the heavy box 19 is mobilized to hang the weight box 2 until the end of the work as shown in FIG. In order to prevent the required operation, the winch drive motor 20 is operated to suspend the weight box 2 in a position where maintenance work can be performed smoothly, and then fixed with a thruster brake 21 to perform maintenance work. .

Then, when a head shot 41 is generated in the next step, the head shot 41 accumulates in the lower portion of the tension car 1 in the direction of the belt 18. At this time, when the tension car 1 travels, the accumulated head shot is moved upward. As it is heard, a sensing action occurs in the clamp detection device 35 so that it is possible to recognize the occurrence of a shot coal.

In addition, the hook fixing part of the winch wire rope 25 is composed of a double structure of the hook 27 and the turnbuckle 26, in the case of the winch driving motor 20, the turnbuckle 26 is adjusted to adjust the weight box hanger. By making it easy to disassemble the hook 27 freely from the 42, it is possible to facilitate the transport operation.

The effects caused by the configuration and operation of the device of the present invention is described below.

When the weight box 2 is damaged due to the belt 18 being broken and the wire rope 3 being broken, or the weight box 2 falling, the tower is broken and the tension car 1 is broken and sheaves. Preventing the spread of secondary equipment abnormalities such as damage to the device 28 and using a large crane 19 for a long time during the replacement and repair work of the wire rope 3 and the sheave device 28 results in excessive maintenance costs. And early detection of the grenade generated in the next belt conveyor head chute 41 prevents the occurrence of grenade, prevents environmental pollution due to the grenade, and reduces the cost of reprocessing the rocket. When confirming the failure, the recovery time is excessive, eliminating the adverse effect on the transportation work, and by establishing a system that detects the operation status of the facility as a whole by using various sensing devices, it is possible to secure the operation of the facility. The.

Claims (1)

Tension car protection device having a tension car 1 moved by a conveyor belt 18 operated by a belt conveyor drive motor 34 and a weight box 2 connected and operated through a wire rope 3. It is mounted to the lower side of the frame 14 of the tension car (1) and has a mechanical contact as a roller (7) and a proximity sensor (9) at the end of the shaft (8) of the roller, 13 is connected to the housing 10 in which the spring 12 is accommodated, the roller-type clamp sensing device 35 having the bracket 17 outside the housing 10, and the drive motor 20 shaft. The winch device provided with the ster brake 21 and the reducer 22 adjacent thereto, and connecting the drum 24 to the reducer to wind the wire rope 25 on the drum 24, and the tension tower 38. Sheave having a detector 29 mounted on the upper part to detect a change in the length of the wire rope and protrude at a predetermined interval. Tension device protection device, characterized in that the device 28 and the hook (27) and the turnbuckle (26) of the wire rope 25 made of a double structure of the hook.