KR102044336B1 - Support Device Of Sintering Trailer - Google Patents

Abstract

The present invention relates to a supporting device of a sintering cart comprising a first main body part and a second main body part rotatably connected to each other on one side, a first connection part formed at one side of a lower part of the first main body part and extending toward the second main body part, a second connection part formed at one side of a lower part of the second main body part and extending so as to overlap the first connection part, and a fastening member rotatably connecting the first connection part and the second connection part. A rotation restriction member is inserted into an insertion groove formed at one side of the second connection part, and one end of the rotation restriction member is hung-supported by a through-hole formed in the first connection part facing the insertion groove to restrict the rotation of the first connection part and the second connection part. Therefore, the present invention is capable of preventing loss of a mixed raw material due to a generation of a gap or concentrated wear of a part in which the gap is generated.

Description

Support Device of Sintering Cart {Support Device Of Sintering Trailer}

The present invention relates to a support device for a sintered bogie, and more particularly, to an apparatus for supporting a sintered bogie that has been stably supported in a process of sintering transported goods such as sintered ore and is easy to be replaced and repaired.

In general, iron ore, a raw material used to produce steel in steel mills, is an ore containing 30 to 70% of iron (Fe), which is rich in iron, sulfur (S), phosphorus (P), copper (Cu), etc. Ideally, the same harmful ingredients are small and constant in size, but such iron ore is not common, and depending on the country of origin, the quality, composition, shape, etc. vary, so there is a limitation that it cannot be directly used for steel production.

Accordingly, in ironworks and the like, a sintering process for making iron ore into a certain size is required for improving production efficiency and quality.

In the sintering process, the sintered trolley for transporting sintered goods such as iron ore is provided with a plurality of supporting devices for supporting the transported products, which are repeatedly used at high temperature and high temperature of 1,300 ° C during the sintering operation to crack the surface. (crack) occurs, and sagging due to thermal deformation occurs.

As a result, the support device is dropped from the sintering cart during operation, causing a sudden accident, and causing environmental pollution due to cost increase and dust due to the outflow of raw materials due to the falling of iron ore.

1 is a plan view of a sintered trolley combined with a supporting apparatus according to the prior art, and FIG. 2 is a cross-sectional view of the support apparatus according to the prior art coupled to a sintered trolley.

1 and 2, the sintered trolley 10 includes a main body 12 having an open lower side, and running wheels 14 moving along a running rail of the sintering facility on both sides of the main body 12. Can be provided.

The main body 12 is provided with a lower support 22 to which a plurality of support members 24, for example an insulation piece, are coupled. In addition, a plurality of support devices 30, for example, a great bar, are coupled between the insulation pieces 24 to block the lower portion of the body 12 and to substantially load the shipment.

The support device 30 has a predetermined space A formed between other adjacent support devices 30 through which the air in the vehicle is sucked downward.

At this time, the support device 30 is sucked hot air of about 1,300 ℃ from the bottom, and in this process by sintering the loaded cargo to produce a sintered ore.

On the other hand, the sintered trolley 10 is provided with about 300 support devices 30 per unit, these support devices 30 may be dropped or damaged in the middle by thermal deformation in the process of manufacturing the sintered ore, Accordingly, in order to reinstall or replace the support device 30, the entire facility must be stopped to remove and repair the other support device 30 that is normal to the part where the support device is dropped, or take the outflow of raw materials until maintenance.

Therefore, the present applicant has filed Korean Patent Publication No. 10-1449337 as a technology for easy re-installation or replacement, or maintenance of the support device, but looking at the support device disclosed in the document, The body blocks are simply connected by connecting members such as hinges or pin members, which makes it difficult to adjust the clearance, which may result in gaps between the body blocks. There was a problem of malfunction due to deformation of the spring inside the operating groove due to the heat.

One aspect of the present invention is to provide a support device for an easily replaceable sintered bogie, to recognize a problem that may occur in the structure or replacement process for easy replacement, and to provide a support device removed from it.

The support apparatus for the sintered trolley according to the embodiment of the present invention is formed on one side of the first body portion and the second body portion, the lower side of the first body portion rotatably connected to each other on one side toward the second body portion A first connection part extending, a second connection part formed on one side of the lower part of the second main body part and extending to overlap the first connection part, and a fastening member rotatably connecting the first connection part and the second connection part; And a rotation restraint member is inserted into an insertion groove formed at one side of the second connection portion, and one end of the rotation restraint member is held by a through hole formed in the first connection portion facing the insertion groove and is connected to the first connection portion. It is made of a structure that restrains the rotation of the second connecting portion.

According to one embodiment of the invention, a first fastening hole is formed in the rotation center of the first connection portion, a second fastening hole is formed in the rotation center of the second connection portion facing the first fastening hole, the fastening member is It may be fastened to a screw groove provided in the inner wall surface of the second fastening hole through the first fastening hole.

According to an embodiment of the present invention, the diameter of the first fastening hole may be set to be greater than or equal to the diameter of the second fastening hole.

According to an embodiment of the present invention, the fastening member is a hexagon wrench bolt including a bolt head portion having a hexagon wrench groove formed therein and a screw portion protruding from the bolt head portion, and the screw portion penetrates the first coupling hole. Is fastened to the screw groove, a ring-shaped washer may be interposed between the screw portion and the first fastening hole.

According to an embodiment of the present invention, the thickness of the first connection portion may be formed thicker than the thickness of the second connection portion.

According to an embodiment of the present invention, the rotation restraining member may include a pillar portion extending in the insertion direction of the insertion hole, a head portion provided at one end of the pillar portion and held by the through hole, and connected to the pillar portion. It may include a spring portion elastically supported on the bottom surface of the insertion hole.

According to an embodiment of the present invention, the spring portion has an elastic modulus that elastically supports the bottom surface of the insertion hole so that the head portion is held by the through hole, and when the head portion is pressed and deformed by an external force, An elastic force proportional to the compression length may act in the opposite direction of the external force.

According to an embodiment of the present invention, the diameter of the insertion groove may be set larger than the diameter of the through hole.

According to an embodiment of the present invention, the head portion extends radially from one end of the pillar portion to be in close contact with the inner wall of the insertion groove, and protrudes from the first head portion toward the through hole. It may include a second head portion that is latched on the inner wall of the through hole.

According to one embodiment of the present invention, by connecting the first body portion and the second body portion by using a hexagon wrench bolt to adjust the clearance between the body portion by the loss of the blended raw material due to the occurrence of gaps, Intensive wear can be prevented.

According to an embodiment of the present invention, by placing the rotation restraining member for restraining the rotation of the first body portion and the second body portion in the insertion groove provided inside the second body portion, thermal deformation, or heat of the spring portion by the external heat source By minimizing the effects of expansion, the cause of malfunction can be eliminated.

According to an embodiment of the present invention, the first body portion and the second body portion by pressing a rotation restraining member that restrains the rotation between the first body portion and the second body portion with a predetermined force to be separated from the held through hole By bending by rotation, the support apparatus can be replaced easily.

Figure 1 is a plan view of the sintered trolley combined with the support device according to the prior art.
Figure 2 is a cross-sectional view of the support device according to the prior art coupled to the sintered trolley.
Figure 3 is a perspective view of a support device for a sintered truck according to an embodiment of the present invention.
4 is an exploded perspective view of the supporting device of the sintered truck of FIG. 3.
FIG. 5 is an enlarged plan view of a coupling structure between the first connection part and the second connection part of FIG. 3.
6 is a plan view of a rotation restraining member according to an embodiment of the present invention.
7 is a real photograph of the rotation restraint member of FIG. 6.
8 and 9 are cross-sectional views of a process of elastically deforming the rotation restraint member according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like elements throughout the specification.

Throughout the specification, when a part is "connected" with another part, this includes not only the "directly connected" but also the "indirectly connected" with another member in between.

In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

3 is a perspective view of a support device for a sintered bogie according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view of the support device for the sintered bogie of FIG. 3.

3 and 4 together, the support device 500 according to an embodiment of the present invention, the first body portion 100 and the second body portion 200 is rotatably connected to each other, the body portion It may include a fastening member 300 for connecting the (100, 200) and the rotation restraining member 400 for restraining the rotation of the main body parts (100, 200).

The first main body part 100 and the second main body part 200 are members for loading goods, and the main body parts 100 and 200 are rotatably connected by the fastening member 300, under certain conditions ( In the case that no external force is applied), the rotation is constrained by the rotation restraining member 400 so that the first main body 100 and the second main body 200 are not rotated and can be unfolded in a straight structure.

First, in order to connect the main body parts 100 and 200, a first connection part 110 is formed in the first main body part 100, and a second connection part 210 is formed in the second main body part 200. Can be.

The first connection part 110 may be formed at a lower side of one end of the first main body part 100 facing the second main body part 200 and may extend toward the second main body part 200.

The second connecting portion 210 is formed at a lower side of one end of the second main body portion 200 facing the first main body portion 100 and extends toward the first main body portion 100 so that the first connecting portion 110 is formed. ) And a thickness overlapping in the thickness direction can be provided.

Both the first connection part 110 and the second connection part 210 may be formed in a disc shape having a set thickness.

The first connection part 110 and the second connection part 210 may be rotatably connected by the fastening member 300.

To this end, a first fastening hole 120 through which the fastening member 300 may be formed may be formed at the rotation center of the first connection part 110. A second fastening hole 220 may be formed at the rotation center of the second connection part 210 facing the first fastening hole 120 and sharing the center of rotation with the first connection part 110. A screw groove 221 is provided on an inner wall surface of the second fastening hole 220, and the fastening member 300 penetrates through the first fastening hole 120 to provide a screw groove of the second fastening hole 220 ( By being fastened to 221, the first connection part 110 and the second connection part 210 may be connected.

The fastening member 300 includes a bolt head portion 301 having a hexagonal wrench groove 302, and a screw portion 303 protruding by a length set from the bolt head portion 301 and having a thread formed on an outer surface thereof. It may be a hexagon wrench bolt.

The screw part 303 of the fastening member 300 is inserted into the second fastening hole 220 through the first fastening hole 120 and is provided with a screw groove provided on the inner wall surface of the second fastening hole 220 ( 221, and at this time, a ring-shaped washer 310 may be interposed between the screw part 303 and the first fastening hole 120.

Therefore, the hexagon wrench bolt (not shown) is inserted into the hexagon wrench groove 302 in the hexagon wrench bolt 300 connecting the first connection part 110 and the second connection part 210 to tighten the hexagon wrench bolt 300. As a result, the clearance may be adjusted so that a gap does not occur between the first connector 110 and the second connector 210.

For example, after connecting the first connecting portion 110 and the second connecting portion 210 with the hexagon wrench bolt 300, the threaded portion 303 of the hexagon wrench bolt 300 is a screw groove ( After tightening to the extent that it is no longer tightened to 221, loosening about three wheels may perform a function as a rotation axis of the connecting parts 110 and 210 without generating play.

The gap between the first connection part 110 and the second connection part 210 is prevented by adjusting the clearance such that the raw material is lost in the gap, or the wind or fine ore particles pass through the connection parts 110. , It is possible to prevent intensive wear of the gap between the 210.

On the other hand, it is necessary to restrain the rotation under the condition that no external force is applied, so that the first body portion 100 and the second body portion 200 connected in the above structure is not bent.

To this end, an insertion groove 230 may be formed at one side of the second connection portion 210, and a through hole 130 may be formed at the first connection portion 110 facing the insertion groove 230. The rotation restraint member 400 may be inserted into the insertion groove 230 of the second connection portion 210. At this time, one end of the rotation restraining member 400 is supported by the through-hole 130 of the first connection portion 110 to restrain the rotation.

The through hole 130 may be formed to be spaced apart from the first fastening hole 120 at a first connection part 110 by a predetermined distance, and the insertion groove 230 may also have a second fastening hole at the second connection part 210. It may be formed spaced apart from the set distance from (220).

In this regard, FIG. 5 is an enlarged plan view of the coupling structure between the first connection portion and the second connection portion of FIG. 3, and FIG. 6 is a plan view of the rotation restraint member according to an embodiment of the present invention. 7 is a real picture of the rotation restriction member of FIG.

Referring to FIG. 5, the diameter d1 of the through hole 130 may be set to be smaller than the diameter d2 of the insertion groove 230 so as to be supported by the rotation restraint member 400.

Referring to FIG. 5 together with FIG. 6, the rotation restraining member 400 may have a structure including a pillar part 410, a head part 420, and a spring part 430.

The pillar portion 410 may be formed to extend by a length L set in the insertion direction of the insertion groove 230. At this time, the length (L) of the pillar portion 410 may be set smaller than the insertion depth (h) of the insertion groove (230).

The head part 420 may be provided at one end of the pillar part 410 facing the through hole 130, and may include a first head part 421 and a second head part 422. have.

The first head portion 421 extends radially perpendicularly to the longitudinal direction of the pillar portion 410 at one end of the pillar portion 410 to be in close contact with the inner wall of the insertion groove 230, the second head The portion 422 protrudes from the first head portion 421 toward the through hole 130, and the protruding portion is engaged with the inner wall of the through hole 130 to restrain rotation.

Here, the first head portion 421 is in close contact with the inner wall of the insertion groove 230, the diameter (d2) of the insertion groove 230 is set larger than the diameter (d1) of the through hole 130 Considering that, the outer circumferential portion 421a of the first head portion 421 may be supported in close contact with one side of the first connection portion 110 adjacent to the through hole 130, and thus the rotation restraint member 400 May be prevented from being separated from the insertion groove 230.

The spring part 430 is a member that enables elastic deformation of the rotation restraining member 400, and is connected to one side of the pillar part 410, and is inserted while winding along an extension direction of the pillar part 410. It may extend to the bottom surface of the groove 230 to be elastically supported.

Considering that the length L of the pillar portion 410 is set smaller than the depth h of the insertion groove 230, the pillar portion 410 is inserted into the insertion groove 230 by the spring portion 430. It is elastically supported with respect to the bottom surface of the, under such an elastic support structure, the head portion 420 provided in the pillar portion 410 is supported by the through hole 130 can restrain the rotation.

Here, the spring part 430 may have an elastic modulus for setting the state where the second head part 422 is held by the through hole 130 as a restoration point.

In this regard, FIGS. 8 and 9 are cross-sectional views illustrating a process of elastically deforming a rotation restraint member according to an exemplary embodiment of the present invention. In the drawings, the fastening holes formed in the first connection part and the second connection part are omitted.

First, referring to FIG. 8, in a state in which no external force is applied to the rotation restraining member 400, the second head part 422 is supported by the through hole 130, and the spring part 430 is The elastically supported state is maintained without the occurrence of displacement due to external force.

In the above state, the first main body part 100 and the second main body part 200 do not rotate and bend, and maintain the unfolded state in a straight line structure.

Next, referring to FIG. 9, when an external force is applied to press the rotation restraint member 400 in the direction of the insertion groove 230, the spring part 430 may have a displacement ㅿ x, and the hook may be According to the law, the elastic force (F) in proportion to the displacement (X) in the opposite direction of the external force (FE) is applied.

Here, at the moment when the engagement with the through hole 130 of the second head portion 422 is released due to the application of the external force, the first body portion 100 and the second body portion 200 are connected to each connection portion. Rotation occurs around the fastening member 300 of the 110 and 210 is bent.

When the operator arranges the first main body part 100 and the second main body part 200 in a straight line so that the insertion groove 230 and the through hole 130 face again, the second head is caused by the restoring force of the spring part. Rotation may be constrained by the portion 422 engaging the through hole 130.

Meanwhile, referring to FIG. 4, the thickness t1 of the first connection part 110 in which the through hole 130 is formed is formed to be thicker than the thickness t2 of the second connection part 210 in which the insertion groove 230 is formed. For example, the thickness t1 of the first connector 110 may be set to about twice the thickness t2 of the second connector 210.

In a state in which the rotation restraint member 400 is mounted in the insertion groove 230 of the second connection portion 210, the head side of the rotation restraint member 400 may be exposed to the outside through the through hole 130.

In this case, in consideration of the fact that thermal deformation may occur in the rotation restraint member 400 due to the heat around the sintering bogie support device, the thickness of the first connection part 110 provided with the through hole 130 is formed to be thick. It is possible to minimize the thermal deformation of the rotation restraint member, in particular, the spring portion 430 due to heat, and to prevent the malfunction of the spring portion due to the thermal deformation.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the scope of the invention.

100: first body portion 200: second body portion
300: fastening member 400: rotation restraint member
500: support device for sintered trolley

Claims (11)

A first body part and a second body part rotatably connected to each other on one side;
A first connection part formed on one side of the lower part of the first body part and extending toward the second body part;
A second connection part formed at one side of the lower part of the second main body part to extend to overlap with the first connection part, and having a thickness smaller than that of the first connection part; And
A fastening member rotatably connecting the first connection portion and the second connection portion;
Including,
A rotation restraint member is inserted into an insertion groove formed at one side of the second connection portion, and one end of the rotation restraint member is held by a through hole formed in the first connection portion facing the insertion groove, thereby supporting the first connection portion and the first connection portion. 2 to restrain the rotation of the connection,
Supporting device for sintered trolley. The method of claim 1,
A first fastening hole is formed at the rotation center of the first connection part, and a second fastening hole is formed at the rotation center of the second connection part facing the first fastening hole.
The fastening member is a support device for a sintered trolley passing through the first fastening hole and fastened to a screw groove provided on an inner wall surface of the second fastening hole. The method of claim 2,
And a diameter of the first fastening hole is set equal to or larger than a diameter of the second fastening hole. The method of claim 2,
The fastening member,
Hexagon wrench bolt including a hex wrench grooved bolt head portion and a screw portion protruding from the bolt head portion,
The screw portion is fastened to the screw groove through the first fastening hole, a ring-shaped washer is interposed between the screw portion and the first fastening hole, support device for a sintered bogie. The method of claim 1,
The through hole is formed along the thickness direction of the first connecting portion,
The insertion groove is formed to be connected to the through hole in the thickness direction on one surface of the second connection portion facing the first connection portion,
The rotation restraint member is a support device for a sintered trolley located inside the first connection portion and the second connection portion without being exposed to the outside. The method of claim 5,
The rotation restraint member,
A pillar portion extending in the insertion direction of the insertion groove;
A head part provided at one end of the pillar part to be supported by the through hole; And
A spring part connected to the pillar part and elastically supported on a bottom surface of the insertion groove;
Supporting device of the sintered cart comprising a. The method of claim 6,
The spring portion,
The head portion has an elastic modulus elastically supported with respect to the bottom surface of the insertion groove to be supported by the through hole,
When the head portion is pressed and deformed by an external force, an elastic force proportional to the compression length acts in the opposite direction of the external force supporting device of the sintered trolley. The method of claim 6,
The diameter of the insertion groove,
A support device for a sintered trolley set larger than the diameter of the through hole. The method of claim 8,
The head portion,
A first head portion extending radially from one end of the pillar portion to be in close contact with an inner wall of the insertion groove; And
A second head portion protruding from the first head portion toward the through hole and being held by an inner wall of the through hole;
Supporting device of the sintered cart comprising a. A first main body part and a second main body part positioned in line;
A first connection part extending from the lower side of the first body part toward the second body part and having a through hole formed along a thickness direction;
A second connection part extending from the lower one side of the second main body part toward the first main body part so as to overlap with the first connection part, and having an insertion groove connected to the through hole along the thickness direction on one surface facing the first connection part; ;
A fastening member rotatably connecting the first connection portion and the second connection portion; And
A rotation accommodated in the insertion groove, one end of which is held by the through hole, and restrains rotation of the first connection part and the second connection part inside the first connection part and the second connection part without being exposed to the outside; Restraining member;
Supporting device of the sintered cart comprising a. The method of claim 10,
The rotation restraint member,
A pillar portion extending in the insertion direction of the insertion groove;
A head part provided at one end of the pillar part to be supported by the through hole; And
A spring part connected to the pillar part and elastically supported on a bottom surface of the insertion groove;
Including;
The support device of the sintered trolley which is deformed by the external force applied along the thickness direction through the through hole to release the locking of the head portion.

Images