KR101339935B1 - Belt conveyor with end skirt - Google Patents

Abstract

The present invention relates to a belt conveyor including an end skirt, which comprises: a base frame where multiple transfer rollers are installed to be able to rotate; a belt which is installed to cover the transfer roller in order to transfer fuel and raw materials; a chute which is installed in the base frame, and is installed to cover the upper part of the belt in order to prevent the loss of the fuel and raw materials to the external side; an extending chute which is connected with the chute and is extended toward the back side of the belt; guide rails which are installed at both ends of the extending chute and where sliding groove units are formed; a mounting frame which is installed in the base frame; a sliding member which is inserted in order to move along the sliding groove unit; a skirt main body which is supported by the mounting frame; a driving unit; and a switch which is installed in the base frame and determines the operation and the operating direction of the driving unit.

Description

Belt conveyor with end skirt {BELT CONVEYOR WITH END SKIRT}

The present invention relates to a belt conveyor having an end skirt, and more particularly, a belt having an end skirt that can easily open and close an end skirt provided at a rear end of a coal conveying belt conveyor installed in a thermal power plant. It is about a conveyor.

In general, a belt conveyor used as a means of transporting coal, ore, sand, and parts in mines, steel mills, coal-fired power plants, factories, construction sites, etc. is composed of a polyester belt wound at an end and an endless track type.

Conventional belt conveyors are provided with a belt for transporting raw materials to a long distance, a plurality of carrier rollers for supporting the upper belt, and a plurality of return rollers for supporting the lower belt.

In the belt conveyor, the meandering phenomenon in which the belt is moved to one side frequently occurs due to the wear of the carrier roller and the return roller, or the movement of the conveyed material. In this case, the cost increase and economic burden are increased, and in the case of rain, the falling rain or fallen transport goods are discharged with rainwater, causing environmental pollution.

In particular, when the belt is broken due to the meandering of the belt, the worker enters the lower space of the belt, which is a narrow working space, to perform the work for the replacement of the broken belt, which causes a decrease in work efficiency or safety accidents. The cause was provided.

The end skirt of the belt conveyor is installed to open and close so that the raw material supplied to the upper surface of the belt is prevented from falling to the outside of the belt, and the raw material dropped to the outside of the belt opens the end skirt to supply the upper surface of the belt. do.

Background art of the present invention is disclosed in Republic of Korea Patent Publication No. 10-2011-0114999 (published October 20, 2011, the name of the invention: the meander adjustment device of the belt conveyor).

In general, the belt conveyor is required to open and close the end skirt to supply the fallen fuel raw material to the upper surface of the belt, and to close the end skirt after the supply of the fallen fuel raw material is completed. It is difficult to reduce the time, there is a problem that is difficult to prevent safety accidents occurring during opening and closing the end skirt.

Therefore, there is a need for improvement.

It is an object of the present invention to provide a belt conveyor having an end skirt that can easily open and close an end skirt installed at a rear end of a coal conveying belt conveyor installed in a thermal power plant.

The present invention, a plurality of feed rollers are rotatably installed base frame; A belt installed to wrap the feed roller to transfer fuel raw material; A chute installed on the base frame and surrounding the upper part of the belt to prevent the loss of fuel from the outside of the belt; An extension chute connected to the chute and extending toward the rear end of the belt; Guide rails installed at both ends of the extension chute and having sliding grooves formed therein; A mounting frame installed on the base frame; A skirt body provided with a sliding member movably inserted along the sliding groove and supported by the mounting frame; A drive unit installed in the mounting frame and moving the skirt body; And a switch installed in the base frame to determine whether to drive the driving unit and a driving direction.

In addition, the extension chute of the present invention is connected to both sides and the upper surface of the chute is formed in a curved panel shape to extend to the rear end side of the belt, the rail mounting portion and the chute mounting that the guide rail is installed It is characterized in that the addition is formed.

In addition, a rail cap is installed on the upper surface of the guide rail of the present invention to prevent foreign substances from flowing into the sliding groove, and a supply hole for supplying lubricating oil into the sliding groove is formed at one side of the guide rail. It is done.

In addition, the lower portion of the sliding groove of the present invention is provided with a stopper for restraining the falling of the sliding member, the inlet side of the sliding groove is characterized in that the cover is installed to prevent foreign matter from entering the sliding groove.

In addition, the front surface of the skirt body of the present invention is connected by a rubber bracket, a skirt rubber extending downward of the skirt body is installed, the upper surface of the skirt body is connected to the drive unit, both ends of the skirt body Characterized in that the balance plate is installed to extend.

In addition, the drive unit of the present invention is characterized in that it comprises a cylinder in which the rod connected to the balance plate is mounted to be retractable.

In addition, the mounting frame of the present invention is formed to extend upward from the base frame, characterized in that the mounting plate is connected to the cylinder by the connecting bracket in the center portion of the mounting frame.

The belt conveyor having an end skirt according to the present invention has an advantage of reducing the time required for resupplying fallen fuel raw materials because the end skirt is opened and closed by the operation of the driving unit when the operator operates the switch.

In addition, the belt conveyor having an end skirt according to the present invention, the operator can open and close the end skirt without opening and closing the end skirt directly there is an advantage that can prevent the safety accident occurring during the end skirt opening and closing operation.

1 is a perspective view showing a belt conveyor having an end skirt according to an embodiment of the present invention.
2 is an exploded perspective view showing a belt conveyor having an end skirt according to an embodiment of the present invention.
3 is a front view showing a belt conveyor having an end skirt according to an embodiment of the present invention.
Figure 4 is a side view showing a belt conveyor having an end skirt according to an embodiment of the present invention.
5 is an operating state diagram showing a belt conveyor having an end skirt according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a belt conveyor having an end skirt according to the present invention.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view showing a belt conveyor having an end skirt according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a belt conveyor having an end skirt according to an embodiment of the present invention, 3 is a front view showing a belt conveyor having an end skirt according to an embodiment of the present invention.

In addition, Figure 4 is a side view showing a belt conveyor having an end skirt according to an embodiment of the present invention, Figure 5 is a state diagram showing a belt conveyor having an end skirt according to an embodiment of the present invention. .

1 to 3, the belt conveyor having an end skirt according to an embodiment of the present invention, the base frame 10, a plurality of feed rollers 12 are rotatably installed, the feed roller 12 ) Is installed to surround the belt 14 to transfer the fuel raw material, and is installed on the base frame 10, and installed to surround the upper portion of the belt 14 to prevent the fuel from being lost to the outside of the belt 14 The chute 16, the chute 16 connected to the chute 16, extending to the rear end side of the belt 14, and provided at both ends of the chute 34, the sliding groove 52 is formed The guide rail 50, the mounting frame 30 is installed on the base frame 10, the sliding member 76 is provided to be movable along the sliding groove 52 is provided, the mounting frame 30 Installed on the skirt body 70 and the mounting frame 30 supported by the skirt body 70 when the skirt body 70 is moved. The key includes a drive unit 80 and a switch 90 installed in the base frame 10 and determining whether the drive unit 80 is driven and a driving direction.

When the raw material is supplied to the upper surface of the belt 14 and the transfer operation of the raw material proceeds, the raw material seated on the upper surface of the belt 14 is transferred while the belt 14 is moved by the rotation of the feed roller 12. After the operator operates the switch 90 to raise the skirt body 70, the fuel material lost to the outside of the belt 14 is re-supplied through the gap between the skirt body 70 and the belt 14. The feed of the fuel is carried out.

At this time, the operator does not open and close the skirt body 70, the operation of the drive unit 80 by operating the switch 90, the skirt body 70 is moved up and down along the guide rail 50 while the belt 14 The gap is formed between the top and skirt body 70, or closed, it is possible to re-supply the fuel.

The chute 16 disposed on the upper side of the belt 14 is supported by a plurality of mounting brackets 18 extending upwardly from both lower ends of the base frame 10, and the mounting frame is compared with the mounting bracket 18. Extending high from the base frame 10 it is possible to install the drive unit 80.

The mounting frame 30 is formed to extend upward from the base frame 10, and a mounting plate 32 to which a cylinder is connected by a connecting bracket 84 is installed at the center of the mounting frame 30.

The frame is arranged long in the left and right in the upper side of the belt 14, both ends are bent in the lower direction is connected to the lower ends of both sides of the base frame (10).

The mounting plate 32 is installed at the center of the mounting frame 30 so that the driving unit 80 can be connected to the mounting frame 30 by the connecting bracket 84, and a pair of connections installed on the mounting plate 32. The bracket 84 restrains the driving unit 80.

Extension chute 34 is formed in a curved panel shape connected to both sides and the top of the chute 16 to extend to the rear end side of the belt 14, the rail mounting portion 34a and the chute 16, the guide rail is installed The chute mounting part 34b connected with the is formed.

The extension chute 34 is formed in a panel shape in which both ends are bent downward so as to have the same cross-sectional shape as the chute 16, and the front rail of the extension chute 34 is bent in both directions to guide the rail 50. The rail mounting portion 34a is formed to be mounted, and the rear mounting portion of the extension chute 34 is bent in both directions so that the chute 16 is connected to the chute mounting portion 34b.

A plurality of holes are formed in the rail mounting portion 34a and the chute mounting portion 34b, and the guide rail 50 and the chute 16 are coupled by the fastening member.

A rail cap 56 is installed on the upper surface of the guide rail 50 to prevent foreign substances from flowing into the sliding groove 52, and a supply of lubricating oil is supplied to the inside of the sliding groove 52 on one side of the guide rail 50. The hole portion 54 is formed.

The guide rail 50 is formed in a long rod shape in the vertical direction to be coupled to the rail mounting portion 34a, and a sliding groove portion 52 extending from the upper surface to the lower surface of the guide rail 50 is formed.

One side of the sliding groove 52 is opened so that the sliding member 76 formed in the skirt body 70 is slidably inserted.

Since the rail cap 56 is installed on the upper surface of the guide rail 50, it prevents foreign substances such as dust discharged from the fuel material from flowing into the sliding groove 52, and supplies lubricating oil through the supply hole 54. Lubricant flows between the sliding member 76 and the sliding groove 52 so that the skirt body 70 can be moved smoothly.

In addition, a stopper 52a for restraining the lowering of the sliding member 76 is installed at the lower portion of the sliding groove 52, and a cover for preventing foreign substances from entering the sliding groove 52 at the inlet side of the sliding groove 52. 52b is provided.

The stopper 52a is for preventing the sliding member 76 from descending more than necessary. When the lowering of the sliding member 76 is restricted, the stopper 52a is restrained from descending from the skirt body 70. It is possible to prevent the skirt rubber 72 installed to extend from being in contact with the belt 14.

As described above, since the skirt rubber 72 and the belt 14 are prevented from being rubbed by the stopper 52a, the belt 14 and the skirt rubber 72 are prevented from being damaged by friction.

The front of the skirt body 70 is connected by a rubber bracket, a skirt rubber 72 extending downward of the skirt body 70 is installed, the upper surface of the skirt body 70 is connected to the drive unit 80 The balance plate 78 is provided extending to both end portions of the skirt body 70.

The balance plate 78 is installed to form an inclined surface that is lowered toward both ends from the upper center portion of the skirt body 70, and the hole portion at which the connecting bracket 84 is installed is formed at the upper end of the balance plate 78.

Therefore, when the skirt body 70 is moved up and down by the operation of the driving unit 80, the skirt body 70 is prevented from flowing in the left and right directions so that the raising and lowering operation of the skirt body 70 can be performed while maintaining a balance. do.

Since the driving unit 80 includes a cylinder in which the rod connected to the balance plate 78 is mounted so that the rod can protrude, the skirt body 70 descends when the rod protrudes from the cylinder, and when the rod is inserted into the cylinder, the skirt body ( As the 70 is raised, a gap is formed between the belt 14 and the skirt rubber 72.

The connecting portion 82 is installed at the end of the rod forming the lower end of the driving unit 80 so that the hole formed at the upper end of the balance plate 78 is fastened, and the connecting portion 82 is bent in a 'c' shape to the inside of the curved portion. The hole formed at the top of the balance plate 78 is inserted and connected.

Here, the driving unit 80 may be provided with an air cylinder driven by pneumatic or a hydraulic cylinder driven by hydraulic pressure, other driving unit 80 such as an actuator driven by driving of the motor may be installed, This can be easily changed and implemented by those skilled in the art having recognized the technical configuration of the present invention will not be described in detail drawings or description of other embodiments.

Looking at the operation of the belt conveyor having an end skirt according to an embodiment of the present invention configured as described above are as follows.

When the operator operates the switch 90 when re-feeding the fallen fuel raw material on the upper surface of the belt 14, the rod body is inserted into the cylinder by the operation of the driving unit 80 and the skirt body 70 and the skirt rubber 72 are provided. Will rise.

At this time, the skirt body 70 is smoothly as the sliding member 76 is raised along the guide rail 50, the foreign material discharged from the fuel raw material by the rail cap 56 and the cover 52b by the sliding groove portion (52) Do not flow inside.

When the re-supply of the fuel raw material is finished, the operator operates the switch 90 in the reverse direction to operate the drive unit 80. When the rod protrudes from the cylinder by the operation of the drive unit 80, the skirt body 70 and the skirt rubber ( As the 72 is lowered, the gap between the belt 14 upper surface and the skirt rubber 72 is narrowed.

Therefore, the raw material seated on the upper surface of the belt 14 is transported without being lost to the outside of the belt 14 by the chute 16 and the skirt body 70.

At this time, the sliding member 76 descending along the sliding groove 52 is limited by the stopper (52a) is lowered to prevent the skirt body 70 and the skirt rubber 72 is in contact with the upper surface of the belt (14). This makes it possible to prevent the skirt rubber 72 and the belt 14 from being damaged by the friction between the skirt rubber 72 and the belt 14.

As a result, it is possible to provide a belt conveyor having an end skirt for easily opening and closing the end skirt provided at the rear end of the coal conveying belt conveyor installed in the thermal power plant.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

In addition, the belt conveyor having an end skirt has been described as an example, but this is merely exemplary, and the belt conveyor of the present invention may be used in other products than the belt conveyor having the end skirt.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: base frame 12: feed roller
14 belt 16 suit
18: mounting bracket 30: mounting frame
32: mounting plate 34: extension suit
34a: rail mounting part 34b: chute mounting part
50: guide rail 52: sliding groove
52a: stopper 52b: cover
54: supply hole 56: rail cap
70: skirt body 72: skirt rubber
74: rubber bracket 76: sliding member
78: balance plate 80: drive unit
82: connecting portion 84: connecting bracket
90: switch

Claims (7)

A base frame in which a plurality of feed rollers are rotatably installed;
A belt installed to wrap the feed roller to transfer fuel raw material;
A chute installed on the base frame and surrounding the upper part of the belt to prevent the loss of fuel from the outside of the belt;
An extension chute connected to the chute and extending toward the rear end of the belt;
Guide rails installed at both ends of the extension chute and having sliding grooves formed therein;
A mounting frame installed on the base frame;
A skirt body provided with a sliding member movably inserted along the sliding groove and supported by the mounting frame;
A drive unit installed in the mounting frame and moving the skirt body; And
Belt conveyor having an end skirt is installed on the base frame, and comprising a switch for determining whether the drive unit is driven and the driving direction.
The method of claim 1,
The extension chute is connected to both sides and the top of the chute is formed in a curved panel shape to extend to the rear end side of the belt, characterized in that the rail mounting portion is provided with the guide rail and the chute mounting portion is connected to the chute is formed. A belt conveyor having an end skirt.
The method of claim 1,
A rail cap is installed on the upper surface of the guide rail to prevent foreign substances from flowing into the sliding groove, and an end skirt is formed at one side of the guide rail to supply a lubricating oil into the sliding groove. Equipped with a belt conveyor.
The method of claim 1,
A stopper is provided below the sliding groove to restrain the lowering of the sliding member, and a cover is installed at the inlet side of the sliding groove to prevent foreign matter from entering the sliding groove. conveyor.
The method of claim 1,
The front surface of the skirt body is connected by a rubber bracket, a skirt rubber extending to the lower side of the skirt body is installed, the upper surface of the skirt body is connected to the drive unit, the balance plate extending to both ends of the skirt body Belt conveyor having an end skirt, characterized in that the installation.
The method of claim 5,
The driving unit is a belt conveyor having an end skirt, characterized in that the rod is connected to the balance plate is installed to be mounted.
The method according to claim 6,
The mounting frame is formed to extend upward from the base frame, the belt conveyor having an end skirt, characterized in that the mounting plate for connecting the cylinder by a connecting bracket is installed in the center of the mounting frame.

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