KR200208268Y1 - Apparatus for removing ore falling from unload conveyor - Google Patents

Abstract

The present invention relates to a belt conveyor falling light removal device of the unloader, and its purpose is to efficiently remove the falling rocks falling into the lower part of the conveying conveyor when the raw and fuel of the steel mill is unloaded through the conveying conveyor of the unloader. It is to prevent the safety accidents and equipment damage caused by workers and to improve the unloader operation rate.

Therefore, in order to achieve the above object, the present invention is rotatably installed as a cylinder 40 connected to both ends of the unloader 10 along the conveying conveyor 30 in the boom 20 of the unloader 10. The light conveyor plate of the unloader provided with a light collecting plate 50, and a screw bar 70 is installed to be rotatable in the longitudinal direction in the center of the light collecting plate 50 to smoothly remove falling objects. .

Description

Belt Conveyor Falling Light Removal Device of Unloader {APPARATUS FOR REMOVING ORE FALLING FROM UNLOAD CONVEYOR}

The present invention relates to a continuous unloader (UNLOAD) used to unload raw and fuel of a steel mill from a ship to a yard. When unloading as buckets and elevators of the unloader and transporting them through the belt conveyor, the falling rock or rock falling on the lower part of the belt conveyor can be efficiently removed to prevent the accident and damage of workers due to the falling light. In particular, the present invention relates to a belt conveyor falling light removing device of an unloader which can maintain the continuous operation of the unloader to improve the unloading efficiency.

In general, the unloading operation of the raw and fuel of the steel mill, such as ore or coal by the continuous unloader is performed by using the bucket and elevator of the unloader, such a conventional unloader unloading operation is schematically shown in FIG. Doing.

That is, as shown in Figure 1, the balance of the boom 20, the boom conveyor is installed on the inside as the weight 12 installed rearward on the frame of the unloader (10) to be transported balance +30 It is installed so as to rotate between ° and -8 °, the front of the spring 20 is connected to the elevator 16, the bucket 16a is installed to the lower side to unload unloading materials such as ore and coal in the ship, the frame A relay conveyor 18a and a dispensing conveyor 18b are provided below the spring stand 20 of 14.

On the other hand, Figure 2 shows a conveying conveyor 30 installed in the boom 20, the conveyor belt is roll-driven in the boom 20 is installed, the circle, the fuel unloading through the bucket (16a) When conveyed to the relay conveyor 18a side as the conveyance conveyor 30 in the spring 20 via the elevator 16, it is conveyed to the yard through the lower discharge conveyor 18b of the said relay conveyor 18a.

At this time, as described above, the spring 20 is rotated up and down within a predetermined angle while the horizontal state is maintained as the rear weight 12 to unload the raw, fuel in the ship, as shown in FIG. It is necessary to remove raw fuels falling in the boom 20 during transportation through the transfer conveyor 30 installed in the boom 20, in order to remove the balance of the spring 20.

In other words, the circle, fuel falling in the boom 20 is pushed to one side during the movement of the spring 20 so that the smooth movement and horizontal maintenance of the boom 20 is impossible, as shown in Figure 2, the spring 20 Removal of L-shape to remove several falling rocks, i.e., fallen ore or coal, along the bottom of the boom 20 in the drive chain 204 rotating as the driving motor 202 installed on the inner bottom of the bottom). The plate 200 is to be installed.

However, in the belt conveyor falling light removing device of the conventional unloader as described above, as shown in Figs. 1 and 2, the L-shaped removing plate 200 which is orbitally conveyed by the driving of the driving motor is used to remove falling objects. By removing by scraping, if a fall occurs badly, an overload is easily generated in the drive motor 202 which performs the movement of the removal plate 200, and eventually, the unloader 10 is malfunctioned due to a malfunction of the drive motor 202. Will be delayed.

In addition, when the fall occurs on one side, the load is generated only on the specific removing plate 200, and eventually, facility damage is generated in which the falling plate removing plate 200 is separated from the transfer chain 204. In the case of continuing the unloading operation, there were various problems such as a large equipment accident or a safety accident of a worker while losing the balance of the boom 20.

The present invention has been made in order to improve the various problems as described above, the purpose of the unloader unloading operation by unloading falling rock fall more stably from the transport conveyor in the boom that is horizontally adjusted as a waiter, It relates to a belt conveyor falling light removal device of the unloader to be able to perform the falling operation of the boom smoothly.

1 is a schematic diagram showing a typical unloader

Figure 2 is a schematic perspective view showing a fall light removing device of the conventional unloader

3 is a perspective view showing the belt conveyor falling light removal device of the unloader according to the present invention

Figure 4 (a) and (b) is a schematic front view showing an operating state of the belt conveyor falling light removal device of the present inventors

Figure 5 is a schematic diagram showing a cylinder line of the belt conveyor falling light removing device of the present inventors

Explanation of symbols on the main parts of the drawings

1 .... Light dropping device 10 .... Unloader

12 .... waiter 14 .... frame

16 .... elevator 18 .... relay conveyor

20 .... Boom 30 .... Conveyor

40 .... Cylinder 42 .... Link

44 .. Piston 46 .... Hydraulic Pump

50 .... condenser 52 .... midplane

54 .... Moving plate 70 .... Screwbar

72 .... drive shaft 74 .... gearbox

76 .... Bevel Gears

As a technical configuration for achieving the above object, the present invention is horizontally installed on the frame so as to balance the waiter, conveying the cargo unloading is installed in the boom of the unloader is connected to the elevator and the relay conveyor in front and rear. In the fall light removal device installed on the lower side of the conveyor, the light collecting plate is installed so as to rotate as a cylinder connected to both ends so as to focus the falling light along the conveying conveyor in the spring;

By installing a belt conveyor falling light removal device of the unloader is installed to be rotatable in the longitudinal direction in the center of the light collecting plate having a screw bar for smoothly removing falling objects.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Hereinafter, the same parts as in the prior art are denoted by the same reference numerals.

Figure 3 is a perspective view showing a belt conveyor fall light removal device of the unloader according to the present invention, Figure 4 (a) and (b) is an operation showing the operating state of the belt conveyor fall light removal device of the unloader of the present invention 5 is a schematic view showing a cylinder line of the belt conveyor falling light removing device of the unloader of the present invention, and the same configuration as in the prior art is denoted by the same reference numeral.

3 shows the belt conveyor falling light removal device 1 of the inventors of the present invention. Such falling light removal device 1 is largely based on coal falling in the spring 20 when being transferred by the transfer conveyor 30. It is divided into a light collecting plate 50 for collecting ore falls, or a screw bar 70 installed at the center of the light collecting plate 50 to remove the collected light falling to the outside of the boom 20. As follows.

First, FIG. 3 shows the boom 20, which is horizontally installed on the frame 14 of the unloader 10 so as to be balanced by the waiter 12 installed at the rear, and before the boom 20, An elevator 16 and a relay conveyor 18 are connected to the rear, and a transfer conveyor 30 for transporting cargoes is installed in the boom 20 of the unloader 10.

Next, FIG. And FIG. 2 illustrate the light collecting plate 50, which is rotated as a cylinder 40 connected to both ends of the falling light along the conveying conveyor 30 in the spring 20. The light collecting plate 50 has two arc-shaped central plates 52 in which the screw bar 70 is located, and two rotary plates which are individually rotated in the same manner as hinges or hinges on both sides of the central plate 520. It is made of a moving plate (54).

In addition, the cylinder 40 connected to both sides of the moving plate 54, the rod 40a is connected to the edge portions of the moving plate 54 on both sides of the center plate, the cylinder 40 is a conveying conveyor (30) It is operatively connected as a hydraulic pump 46 having a piston 44 connected to a link 42 to a rotating shaft 49 that rotates as a rotary gear 48 installed at the neck portion of the.

Next, the screw bar 70 is shown in FIGS. 3 and 4, and the strand bar 70 is installed in the center of the light collecting plate 50 so as to be rotatable in the longitudinal direction to smoothly remove falls. It is installed all the time.

In addition, the screw bar 70 is fixed to the end of the drive shaft 72 installed to rotate integrally during the rotation of the conveying conveyor (30) is a bevel gear (76a) engaged with the bevel gear (76a) located in the gearbox (74) 76b) is connected in the gearbox 74, the drive shaft 72 is connected to the sprocket 78 installed on the drive shaft 72, the chain 80 to the sprocket 78 installed on the roll neck of the conveying conveyor (30) The connection is made of a configuration that rotates integrally during the operation of the conveying conveyor (30).

Referring to the operation and effects of the present invention made in the above configuration in more detail as follows, the same parts as in the prior art are represented by the same reference numerals.

As shown in FIGS. 3 to 5, the elevator 16 installed in front of the boom 20 horizontally mounted on the frame 14 of the unloader 10 so as to be balanced by the waiter 12 installed at the rear and its The cargo unloaded in the ship through the lower bucket 16a is unloaded through the relay conveyor 18a and the dispensing conveyor 18b through the transfer conveyor 30 in the boom 20, at this time the unloaded goods in the boom 20 Belt conveyor falling light removal device (1) of the inventors of the present invention to remove the falling rock during transportation is as follows.

First, when the transfer conveyor 30 in the unloader boom 20 starts to operate, the link 42 is connected to the rotating shaft 49 that rotates as the rotary gear 48 installed on the roll neck portion of the transfer conveyor 30. The hydraulic pump 46 with the piston 44 is started at the same time.

Accordingly, the light collecting plate is connected to the hydraulic pump 46 and the cylinders 40 sequentially installed along the transport conveyor 30 in the lower portion of the boom 20 are moved forward, and the plurality of cylinder rods 40a are fixed. The moving plate 54 of the 50 is gradually raised from both sides about the central plate 52 connected to the hinge 53 at the center thereof, and eventually, the center of the arc shape at the lower side of the transfer conveyor 30. A V-shaped light collecting plate 50 is formed in which a passage by the plate 52 is formed.

As a result, even if unloaded objects such as ore or coal fall during transportation through the conveying conveyor 30 to the upper side of the V-shaped light collecting plate 50, the light is collected in the central passage portion of the light collecting plate 50, and the boom 20 The prize will not fall.

Next, as shown in Figure 3, in the center of the light collecting plate 50, a screw bar 70 is installed in the longitudinal direction thereof is rotatably installed through the bearings on both sides of the support bar, and at the same time the screw bar ( A bevel gear 76b fixed to the screw bar 70 and a bevel gear 76a engaged therewith is disposed in the gearbox 74 at one side of the gearbox 74, and the bevel gear ( 76a) is connected to the drive shaft 72 to which the chain 80 is connected to the sprocket 78 installed on the roll neck of the conveying conveyor 30 through the gearbox 74.

Therefore, when the transfer conveyor 30 is driven, the light collecting plate 50 has a V shape, and at the same time, the screw bar 70 is driven through the bevel gears by the rotation of the driving shaft 72, and eventually the light collecting plate 50. Falling to the central plate 52 of the) is discharged through the relay transport conveyor (18a) while gathering the rear of the boom 20 through the blade (70a) of the screw bar (70).

That is, the balance state of the boom stand 20 is maintained in the equilibrium state through the weight 120, the balance state becomes unstable, or the fall of the fall quickly falls to the instantaneous slope of the boom 20, the safety of the worker This can effectively prevent accidents or damage to the peripheral equipment.

On the other hand, Figure 5 shows the operation of the hydraulic pump 46 and the cylinder 40, two solenoid valves (S1) (S2) are provided between the hydraulic pump 46 and the cylinder 40, In the initial state in which the solenoid is not operated, the first valve S1 is a second valve S2 which is operated when the transfer conveyor 30 is operated when the hydraulic pressure of the pump 46 is transferred to the second valve S2 side. Through the pressure oil is applied to the cylinder 40, the cylinder 40 is raised.

At this time, when the cylinder 40 is a single-acting cylinder and the ascending of the cylinder rod 40a is completed, the pressure applied by the hydraulic oil is applied to the pressure sensor PS installed between the cylinder 40 and the second valve S2. In operation, the first valve S1 electrically connected thereto is operated so that the pressure oil of the pump 46 is sent to the tank T. At the same time, the second valve S2 is located at the center port, and the cylinder 40 is transferred to the transfer conveyor. Maintain the raised state during operation of the 30 to maintain the movable plate 54 of the collecting plate 50 in the raised state.

Then, when the operation of the transfer conveyor 30 is stopped (OFF), the second valve (S2) is operated to control the right port, and eventually the oil of the single-acting cylinder 40 is the tank ( Drained to T), the cylinder 40 is lowered, and at the same time, the movable plate 54 of the light collecting plate 50 is also lowered to become the light collecting plate 50 in the initial horizontal state.

At this time, an actuator A for supplying oil is installed between the pump 46 and the tank T to supply oil to the hydraulic pump 46.

Therefore, the light collecting plate 50 is adjusted to the V-shape and the horizontal state in conjunction with the driving of the conveying conveyor 30, so that even if the baggage of the cargo being transported by the conveying conveyor 30 is generated, it can be effectively removed. To prevent malfunction.

According to the belt conveyor falling light removal device of the unloader of the present invention as described above, the unloading operation of the unloader more smoothly by removing stray falls from the conveying conveyor in the boom, which is horizontally adjusted as a waiter. This is an excellent effect to be performed.

While the subject innovation has been shown and described with respect to specific embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit or scope of the subject innovation as provided by the following claims. I would like to clarify that knowledge is easy to know.

Claims (3)

Unloading is installed horizontally on the frame 14 so as to balance with the waiter 12, and installed in the boom 20 of the unloader 10, the elevator 16 and the relay conveyor 18 is connected to the front and rear. In the fall light removal device 1 installed below the water transfer conveyor 30, A light collecting plate 50 installed to rotate as a cylinder 40 connected to both ends of the spring 20 along the conveying conveyor 30 to condense the falling rocks; And, The belt conveyor of the unloader of the unloader, characterized in that it comprises; screw bar 70 is installed so as to be rotatable in the longitudinal direction in the center of the light collecting plate 50 to smoothly remove falls. The moving plate 54 of claim 1, wherein the light collecting plate 50 is connected to each other by an arc-shaped central plate 52 in which the screw bar 70 is constantly positioned, and a hinge 53 to rotate on both sides thereof. ), The cylinder 40, the rod is connected to the edge portion of the moving plate 54 on both sides of the center plate 52, the cylinder 40 is a link 42 installed to rotate integrally during the rotation of the conveying conveyor (30) Belt conveyor falling light removal device of the unloader, characterized in that it is connected to the hydraulic pump 46 having a piston 44 connected to the According to claim 1, wherein the screw bar 70 is fixed to the end of the drive shaft 72 installed to rotate integrally during the rotation of the conveying conveyor (30) is fitted with the bevel gear (76a) located in the gear box (74). Belt conveyor falling light removal device of the unloader, characterized in that the biting bevel gear (76b) is connected to the drive within the gear box (74)