KR20130050426A - Materials transport apparatus - Google Patents

Abstract

PURPOSE: An article transfer device is provided to obtain a gap between grate bars because remained articles are detached by the movement of the grate bars. CONSTITUTION: An article transfer device comprises a body(162), support members(168), first grate bars(180), and second grate bars(280). The lower part of the body is opened. The support members are separated under the body at predetermined intervals. The first grate bars and the second grate bars are alternately coupled between the support members.

Description

Shipment Transport {MATERIALS TRANSPORT APPARATUS}

The present invention relates to an improved transportation apparatus for preventing the attachment of the remaining transportation in the process of transporting the transportation, such as sintered ore.

In general, the iron ore used in the steel industry is not constant in composition and size, and accordingly, in order to improve production efficiency and quality of iron ore, the iron ore is treated with a constant amount and size, mixed with coke, and then sintered ore. It is charged to the blast furnace in the form of a blended raw material.

The sintering machine used in the sintering process of the steel mill is manufactured as a sintered ore by continuously transporting transport materials, such as iron ore or coke, for this purpose, a sintering cart may be used as a transporting device.

1 is a plan view of a sintering cart according to the prior art, Figure 2 is a cross-sectional view showing a great bar coupled to the sintering cart according to the prior art.

1 and 2, the sintered trolley 10 includes a main body 12 having an open lower portion, and both sides of the main body 12 are provided with a traveling wheel 14 moving along a running rail of the sintering facility. Can be.

In addition, the main body 12 is provided with a lower support 22 to which a plurality of insulation pieces 22 are coupled. In addition, a plurality of grate bars 30 are coupled between the insulation pieces 22 to substantially block the lower portion of the body 12 and to which the shipment is loaded.

The great bar 30 has a predetermined space A between other adjacent great bars, and the air in the vehicle is sucked downward through the space A formed as described above.

However, in the conventional sintered cart 10, residues such as sintered ore produced as a product between the great bars 30 are not completely discharged and are stuck or adhered to each other. The wind interfering with the inhalation of air by blocking the space A therebetween, and as a result, it is a factor that lowers the productivity of the sintered ore.

Accordingly, in the related art, an operator hits the great bar 30 by using a hand tool or the like, thereby removing the sintered ore adhered between the great bars 30 by such an impact.

As such, in the related art, a process of removing a transport object such as sintered ore remaining in the sintered trolley 10 is performed manually by an operator, which increases the fatigue of the operator, and works in a work environment in which high temperature and dust may occur. This is a threat to the safety of workers.

In addition, in the related art, since the sintered ore adhered between the great bars 30 is not easily removed, the sintering operation may be performed while the sintered ore remains between the great bars 30, and thus the sintered ore that remains is the great bar 30. ) Is a problem that needs to be replaced when the great bar 30 is fused.

According to one embodiment of the present invention, a plurality of great bars provided to a transport vehicle are circulated and flowed in a process of being recovered, thereby allowing the transport products such as sintered ore remaining by these flows to be dropped to secure voids between the great bars. It is an object of the present invention to provide a transport system for transportation.

According to an embodiment of the present invention, a vehicle transport apparatus includes a main body having an open bottom; A plurality of support members spaced at predetermined intervals below the main body and provided in one direction; A first great bar coupled between the supporting members and shielding a lower portion of the main body, and forming a predetermined space, wherein the fitting portion fitted to the supporting member corresponds to the thickness of the supporting member; And a second great bar alternately coupled with the first great bar and provided with at least one of the fitting portions fitted to the support member longer than a thickness of the support member.

Herein, the first and second great bars may include a body part in which a shipment is loaded on the upper part, and a head part provided on both sides of the body part and caught on an upper portion of the support member; It may be provided on both sides of the lower portion of the body portion to include a catch portion that is caught on the lower portion of the support member, the fitting portion may be provided between the head portion and the catch portion may include a groove portion into which the support member is inserted.

In addition, the first and second great bars further include protrusions protruding from each other on the side surfaces, the protrusions of the second great bars include downward inclined surfaces, and the protrusions of the first great bars are downward in end portions. It may include an upward inclined surface corresponding to the inclined surface.

In addition, the vehicle transport apparatus may include a sintered cart for transporting a shipment including iron ore by using the sintered ore in the manufacturing process.

In one embodiment of the present invention, the Great Bars provided to load the transports flow differently in the process of recovering the transport transport device, and dropping the transport materials such as sintered ore attached between the Great Bars by the impact amount generated in this process. As a result, the gaps between the great bars can be kept constant so that the ventilation efficiency can be improved, and the production efficiency and quality of the sintered ore can be improved.

1 is a plan view of a sintering cart according to the prior art.
Figure 2 is a cross-sectional view showing a great bar coupled to the sintering cart according to the prior art.
Figure 3 is a block diagram showing a sintering process according to an embodiment of the present invention.
Figure 4 is a perspective view showing a sintered cart according to an embodiment of the present invention.
5 is a cross-sectional view showing a sintered cart according to an embodiment of the present invention.
Figure 6 is a cross-sectional view showing a state in which the great bar of the sintered trolley combined according to an embodiment of the present invention.
7A and 7B are perspective views illustrating a first great bar and a second great bar of a sintered cart according to an embodiment of the present invention.
8A and 8B are front views illustrating a first great bar and a second great bar of a sintered cart according to an embodiment of the present invention.
9 is a cross-sectional view showing the great bar in the state that the sintered truck is returned according to an embodiment of the present invention.
10A and 10B are sectional views taken along line II of FIG. 6 and line II-II of FIG. 9;
11 is a front view showing a great bar of the sintered trolley according to another embodiment of the present invention.
12 is a cross-sectional view showing the great bar in the state that the sintered truck is returned according to another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The shape and the size of the elements in the drawings may be exaggerated for clarity and the same elements are denoted by the same reference numerals in the drawings.

Figure 3 is a block diagram showing a sintering process according to an embodiment of the present invention, Figure 4 is a perspective view showing a sintering cart according to an embodiment of the present invention, Figure 5 is according to an embodiment of the present invention It is sectional drawing which shows the sintering trolley | bogie.

3 to 5, the transportation device according to the present embodiment can be used in the sintering process including a sintering machine 110 to process iron ore into sintered ore in the steel industry, an example of such a transportation device The sintered trolley 160 may be included.

The sintering unit 110 may manufacture the sintered ore in the process of moving the transport, such as iron ore or coke by the sintering cart (160).

The sintered trolley 160 is used to continuously move a shipment of a compound material such as iron ore or coke supplied from an iron ore origin or the like.

To this end, the sintering unit 110 includes a running rail 112 provided so that the sintering truck 160 is movable, and after the sintering truck 160 is mounted on the running rail 112, the sintered truck 160 is placed in various tracks. The sintered ore can be manufactured by continuously moving the stages.

On the other hand, after the sintering truck 160 is moved to the sintering machine 110, and passes through the ignition furnace 130 in a state in which the blending raw material supplied from the charging hopper 120 is stored, coke mixed in the raw material is ignited, Since the suction force sucked from the main blower 140 located below the sintering cart 160 during continuous driving generates the suction force toward the wind box 150 under the sintering cart 160, The sintering operation of the blended raw material is performed while the fire extinguished on the surface side of the sintered trolley 160 moves to the lower side of the raw material loading layer, that is, the bottom side of the sintered trolley 160.

In this embodiment, the sintered trolley 160 may include a main body 162 with an open bottom.

In addition, the main body 162 of the sintered trolley 160 may be provided with traveling wheels 164 moving along the traveling rail 112 of the sintering machine 110 on both sides. In addition, the main body 162 of the sintered trolley 160 may be provided with a side wall portion 166 for guiding the loading of the transport object on both sides.

In addition, the sintered trolley 160 may include a plurality of lower support portions 169 under the main body 162, and a plurality of support members 168 spaced at predetermined intervals may be provided on the lower support portions 169. have. The support member 168 is provided in an elongated shape in one direction. For example, the support member 168 is commonly used as an insulation piece in the sintering process.

In addition, a great bar 180 may be provided between the support members 168 to shield the lower portion of the main body and to substantially carry a transport product such as sintered ore.

For example, in the present embodiment, the support members 168 may be provided in a plurality of rows, and approximately 96 great bars 180 per row may be disposed at right angles between the support members 168.

6 is a cross-sectional view showing a state in which the great bar of the sintered trolley is coupled according to an embodiment of the present invention. 7A and 7B are perspective views illustrating a first great bar and a second great bar of a sintered trolley according to an embodiment of the present invention, and FIGS. 8A and 8B illustrate a sintered trolley according to an embodiment of the present invention. It is a front view which shows 1 Great Bar and 2nd Great Bar.

6 to 8, in the present exemplary embodiment, the great bars 180 and 280 may include at least one of the first great bar 180 and the fitting portions provided at both sides thereof to correspond to the thickness of the support member 168. One side may be provided to the second great bar 280 provided longer than the thickness of the support member 168.

That is, when any one of the great bars 180 and 280 continuously arranged in the present embodiment is called the first great bar 180, the other great bar adjacent to the first great bar 180 is the second great bar. 280, and the first great bar 180 and the second great bar 280 may be alternately and continuously adjacent to each other.

In addition, in the present embodiment, the great bars 180 and 280 may include body parts 182 and 282 on which a shipment is loaded.

In addition, the great bars 180 and 280 may include cross-sectional reduction parts 184 and 284 having narrow cross-sectional areas on one side of the body parts 182 and 282, and such cross-sectional reduction parts 184 and 284 may be any one. Together with the Great Bar 180 and other Great Bar 280 adjacent thereto, a predetermined space (A shown in FIG. 1) may be formed.

In addition, reinforcement parts 186 and 286 may be provided below the body parts 182 and 282 to support the load, and penetrating parts 188 adjacent to the reinforcement parts 186 and 286 to reduce weight and the like. , 288 may be provided.

As such, the space A formed between the great bars 180 and 280 may be used as a vent hole that is vented for smooth movement of the firearm in the manufacture of the sintered ore.

For example, in the present embodiment, the width W of the great bars 180 and 280 may be about 40 mm. Further, any one of the great bars 180 or 280 cooperates with another great bar 280 or 180 adjacent thereto to form a space A, that is, a vent hole, of about 5 to 6 mm in the cross-sectional reduction part 184. can do.

Therefore, the shipment including the iron ore or coke loaded on the great bars 180, 280 of the sintered trolley 160 is the great bar (180, 280) by the air suction force by the blower 140 generated in the lower wind box 150 In the process of inhaling the air into the space (A) between the) is burned downward and the sintering operation can be performed.

In addition, the sintering recovery rate of the lower method sintering process using the sintering bogie 160 is largely related to the burning rate of coke in the shipment. I can receive it.

Here, the air amount of the sintered trolley 160 may be determined by the space A provided between the cross-sectional reduction portions 184 and 284 of the great bars 180 and 280.

In addition, the great bars 180 and 280 may include fitting portions provided to be fitted to the support member 168 on both sides of the body portions 182 and 282. For example, the fitting parts include head parts 190 and 290 provided on both sides of the body parts 182 and 282 at the upper end of the support member 168, and support members 168 at both lower parts of the body parts 182 and 282. It may include a locking portion (192, 292) provided to be caught at the bottom of the).

In addition, the great bars 180 and 280 have grooves 194 and 294 formed between the heads 190 and 290 and the engaging portions 192 and 292, and the support members 168 are formed in the grooves 194 and 294. As it is inserted, the upper and lower parts can be held in a locked state.

Here, the groove 194 of the first great bar 180 may be provided as a length H1 corresponding to the thickness of the support member 168. In addition, the groove portion 294 of the second great bar 280 may be provided as a length (H2) longer than the thickness of the support member 168.

For example, in the present embodiment, the thickness of the support member 168 may be provided about 60 mm. In addition, the first great bar 180 may have a length H1 of the groove 194 about 70 mm. In addition, the second great bar 280 may have a length H2 of the groove portion 294 about 90 mm.

In addition, in the present embodiment, the great bars 180 or 280 may be provided with protrusions 196 and 296 so as to be supported by other adjacent great bars 280 or 180.

That is, in the present embodiment, the first great bar 180 and the second great bar 280 are alternately provided, and the first great bar 180 and the second great bar 280 are different from each other. It may be disposed between the bar 280 or the first great bar 180. In addition, protrusions 196 and 296 protrude from positions corresponding to each other on the first and second great bars 180 and 280, and the protrusions 196 and 296 may contact each other and support each other. .

9 is a cross-sectional view illustrating a great bar in a state in which a sintered truck is returned according to an embodiment of the present invention.

Referring to FIG. 9, the sintered bogie 160 in which the sintered ore is manufactured is circulated in a continuous infinite track along the running rail 112, and is moved in an inverted state in this process.

In the process of moving the sintering cart 160 in an inverted state, most of the remaining sintered ore attached to the great bars 180 and 280 is dropped and removed, but a part of the sintered ore is attached to the cross-sectional reduction parts 184 and 284. The sintered ore attached as described above may block the space A used as the ventilation hole to reduce the amount of air.

In the present embodiment, when the sintering cart 160 is inverted in the process of being recovered, a difference occurs in the length of the second great bar 280 flowing, and the second great bar 280 is caused by such a difference. As the cross-sectional reduction portions 184 and 284 are opened therebetween, transport products such as sintered ore remaining therebetween may be dropped.

In addition, the second great bar 280 has a groove length H2 longer than the groove length H1 of the first great bar 180, thereby generating a greater impact amount as the flow amount becomes larger than when the second great bar 280 is turned upside down. Can be.

In addition, the space A between the first great bar 180 and the second great bar 280 is opened due to the difference in flow amount, so that an environment in which the sintered ore adhered therebetween may easily fall may be created. .

In addition, such an impact amount is directly transmitted to the second great bar 280 to more easily drop off of the sintered ore caught in the cross-sectional reduction part 284, and a part of the impact amount is transmitted through the support member 168. 180) may increase the dropout rate of the sintered ore.

On the other hand, in the present embodiment, the protrusions 196 and 296 provided on the great bars 180 and 280 may be provided in parallel with the cross-sections which are in contact with each other and are supported. .

10A and 10B are cross-sectional views taken along line I-I of FIG. 6 and line II-II of FIG. 9. Referring to this, the protrusion 296 of the second great bar 280 has an upper length L22 of the lower portion thereof. It may include an inclined surface 296a having a protruding shape longer than the length (L21). That is, the protrusion 296 of the second great bar 280 may be formed as a downwardly inclined surface 296a inclined in a direction toward which the end surface thereof faces downward.

In addition, the protrusion 196 of the first great bar 180 may include an inclined surface 196a having a shape in which the lower length L11 protrudes longer than the upper length L12.

That is, the protrusion 196 of the first great bar 180 may be formed as an upwardly inclined surface 196a inclined in an upward direction of an end surface thereof. In this case, the angle formed by the protrusion slope 196a of the first great bar 180 may be provided to correspond to the inclined angle of the protrusion slope 296a of the second great bar 280.

Thus, as shown in FIG. 10A, the protrusion 196 of the first great bar 180 and the protrusion 296 of the second great bar 280 are contacted and supported with each other in the process of transporting the sintered ore. Accordingly, the space A between these great bars 180 and 280 can be kept constant.

In addition, as shown in FIG. 10B, when the first great bar 180 and the second great bar 280 are separated by a difference in flow rate in the process of turning the sintering cart 160 upside down, the second great bar 280 is separated. The protrusion 296 of) may be easily separated from and dropped from the protrusion 196 of the first great bar 180.

In the exemplary embodiment of the present invention, the first great bar 180 and the second great bar 280 are alternately coupled to the sintering cart 160, but the shape or arrangement of the great bar is not limited thereto. Do not.

11 is a front view showing a great bar of the sintered trolley according to another embodiment of the present invention. 12 is a cross-sectional view illustrating a great bar in a state in which a sintered trolley is returned according to another embodiment of the present invention.

For example, referring to FIGS. 11 and 12, in the present embodiment, the great bar 380 may have different lengths at both sides of the fitting portion.

In this embodiment, the fitting portion provided at one end of the great bar 380 is provided to correspond to the thickness of the supporting member 168, and the fitting portion provided at the other end may be formed longer than the thickness of the supporting member 168. .

In addition, the great bar 380 is arranged so that the position of the fitting portion alternately and may be coupled to the support member 168.

That is, in this embodiment, the great bar 380 has the head portion 390b and the hook at the other end than the length H31 of the groove portion 394a provided between the head portion 390a at the one end and the hook portion 392a. The length H32 of the groove portion 394b provided between the portions 392b may be provided long.

For example, the great bar 380 may have a fitting length H31 at one end of about 70 mm, and a fitting length H32 at the other end may be provided at about 90 mm.

Therefore, when the sintered trolley 160 is inverted in the process of being recovered, the great bar 380 does not flow significantly with the support member 168, and the other side fits with the support member 168. In this way, the great bar 380 may flow in a form inclined to one side.

In addition, the great bar 380 and the other great bar 380 ′ adjacent to each other, the fitting portion coupled to the support member 168 flows in opposite directions, and the great bar 380 is inclined in the opposite direction to each other. 380 ') may flow.

As described above, in the present embodiment, the great bar 380 has a large space A, which is used as a ventilation hole, in the process of inclining in the opposite direction to another adjacent great bar 380 ', and has a sintered ore attached therebetween. And other transports can be easily dropped.

In addition, in the present embodiment, the sintered trolley 160 includes the first great bar 180 corresponding to the supporting member 168 and the fitting portions of both ends as shown in FIGS. 7A and 8A, and the fitting portions of both ends as shown in FIG. 11. Of course, one of the fitting portions corresponds to the thickness of the supporting member 168, and the other of the fitting portions of the great bar 380 longer than the supporting member 168 may be alternately arranged.

In addition, in the present embodiment, the great bars 180, 280, and 380 described above, that is, the great bars 180 corresponding to the supporting members 168 and the fitting bars at both ends thereof as shown in FIGS. 7A and 8A, and FIGS. 7B and FIG. At least two or more of the great bar 280 having both end portions fitted longer as shown in 8b and the great bar 380 having only one end portion fitted at both ends shown in FIG. 11 alternately arranged with each other. It is possible.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. It will be clear to those who have knowledge.

110: sintering machine 112: running rail
120: charging hopper 130: ignition furnace
140: main blower 150: wind box
160: sintered cart 162: main body
164: traveling wheel 166: side wall
168: lower support portion 168: support member
180: first great bar 280: second great bar
182, 282: body portion 184, 284: cross-sectional reduction portion
186, 286: reinforcement 188, 188: through part
190 and 290: head portions 192 and 292: locking portions
194 and 294 grooves 196 and 296 protrusions

Claims (4)

A body having an open lower portion;
A plurality of support members provided below the main body at predetermined intervals;
A first great bar coupled between the supporting members and shielding a lower portion of the main body, and forming a predetermined space, wherein a first fitting bar fitted to the supporting member corresponds to a thickness of the supporting member; And
A second great bar that is alternately coupled to the first great bar and provided with at least one of the fitting portions fitted to the support member longer than a thickness of the support member;
Vehicle transport device comprising a.
The method according to claim 1,
The first great bar and the second great bar
A body part in which the cargo is loaded on the upper part,
Head parts provided on both sides of the body part and caught on an upper portion of the support member;
It is provided on both sides of the lower portion of the body portion includes a catch portion that is caught on the lower portion of the support member,
And the fitting portion includes a groove portion provided between the head portion and the locking portion to insert the support member.
The method according to claim 1,
The first great bar and the second great bar further includes a protrusion protruding from each other on the side,
The protrusion of the second great bar includes a downward inclined surface,
The protrusion of the first great bar is a transport device, characterized in that the end includes an upward inclined surface corresponding to the downwardly inclined surface.
The method according to any one of claims 1 to 3,
The vehicle transport apparatus is a transport vehicle, characterized in that the sintered ore used in the manufacturing process includes a sintered truck for transporting the transport including iron ore.

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