CN102873292A

CN102873292A - A guide roller

Info

Publication number: CN102873292A
Application number: CN2012102463761A
Authority: CN
Inventors: 韩秉夏; 李成林
Original assignee: Posco Co Ltd
Current assignee: Posco Holdings Inc
Priority date: 2011-07-15
Filing date: 2012-07-16
Publication date: 2013-01-16
Anticipated expiration: 2032-07-16
Also published as: KR101304668B1; CN102873292B; KR20130009247A

Abstract

The invention discloses a guide roller disposed on a segment of a continuous casting apparatus, the guide roller comprising a plurality of separated roller bodies which comprise channels disposed therein and allow coolant to pass through the channels, a plurality of coupling parts which connect the ends of the roller bodies for allowing simultaneous rotation of the roller bodies and have a preset axial length for allowing axial movement of the roller bodies, and a plurality of supporting parts which are disposed on the segment, each supporting part comprising bearings arranged therein in order for supporting roller bodies rotatably.

Description

Guide reel

The cross reference of related application

The application requires to be committed on July 15th, 2011 priority of the korean patent application No.10-2011-0070205 of Korea S Department of Intellectual Property, and the disclosure of this korean patent application mode is by reference included this paper in.

Technical field

The present invention relates to a kind of guide reel of the movement for guide foundry goods (casting) at continuous casting equipment, more specifically, relate to a kind of guide reel with improved syndeton, with the load-carrying ability (load capacity) that prevents refrigerant leaks and increase mobile foundry goods.

Background technology

Continuous casting equipment is cast molten steel continuously having reservation shape, and it is solidified and does not have defective.Fig. 1 shows the schematic diagram of continuous casting process in the association area.

Referring to Fig. 1, a continuous casting equipment comprises: a pouring ladle (ladle) 10, and it is contained in the molten steel of refining in the steel making technology; A tundish (tundish) 20, it receives molten steel and temporarily stores molten steel by the nozzle that is connected to pouring ladle 10; A mould 30, it receives from the molten steel of tundish 20 and makes at first described solidification of molten steel to have reservation shape; And, a cooling line 40, the steel plate S that it places described mould 30 belows not solidify fully with cooling, and comprise that a plurality of tactic sections (segment) 50 are to carry out series of process, such as crooked and aligning.

Each section 50 comprises upper bracket (girder) 52 and lower carriage 54 at upside and the downside of foundry goods portable cord.Be provided with guide reel 60 at upper bracket 52 and lower carriage 54.

Guide reel 60 directly contacts foundry goods to transmit and the cooling foundry goods.

For this reason, guide reel 60 is included in the passage in the guide reel, to allow cooling agent by described passage.

Fig. 2 shows the stereogram of the guide reel in the association area.Fig. 3 shows the stereogram of the connecting portion (connecting part) of the guide reel of Fig. 2.Fig. 4 shows the sectional view of the connecting portion of Fig. 3.

Referring to Fig. 2 to 4, the upper bracket 52 of Fig. 1 and the guide reel in the lower carriage 54 60 are spaced apart from each other with preset distance, and the connecting portion 63 of upper guide reel 60 can depart from the connecting portion 63 of lower guide reel 60.

Each guide reel 60 comprises discrete roller main body 62, and the connecting portion of roller main body 62 is supported by the bearing 72 that places support portion 70 and rotate with it.

Roller main body 62 comprises passage 64 separately, and the respective channel 64 of roller main body 62 is connected to each other by inserting member 66.Cooling agent can move along the passage that is connected 64 of roller main body 62.O shape ring 67 places and inserts between member 66 and the passage 64, also, and between the inner circumferential surface that inserts member 66 and connecting portion 63, to guarantee sealing therebetween.

Yet in the situation of the support portion of guide reel 60 70 overload, bearing 72 or connecting portion 63 may be damaged.When connecting portion 63 is damaged, just may leak by the cooling agent that places the passage 64 in this connecting portion 63.

Connecting portion 63 has a plurality of trapezoidal shapes that are engaged with each other with occlusion structure (clutch structure), rotates together to allow described discrete roller main body 62.

Yet when guide reel 60 experience thermal expansion, the connecting portion 63 with a plurality of trapezoidal shapes also experiences thermal expansion, thereby allows to form the gap between roller main body 62.Therefore, insert member 66 and can rotate with respect to the inner circumferential surface of connecting portion 63, damage thus O shape ring 67, thereby cooling agent may leak.

Summary of the invention

One aspect of the present invention provides a kind of following guide reel, and this guide reel comprises: be positioned at a plurality of bearings on its connecting portion, to increase load-carrying ability; And, be attached to slidably a plurality of connecting portions each other, with the damage that prevents from causing owing to thermal expansion.

According to an aspect of the present invention, provide the guide reel on a kind of section that is arranged on continuous casting equipment, this guide reel comprises: a plurality of discrete roller main bodys, and described roller main body has the passage that is located in the roller main body, to allow cooling agent by described passage; A plurality of connection parts (coupling part) rotate together thereby the end of described roller main body is engaged with each other by described connection part, and wherein said connection part has predetermined axial length to allow moving axially of described roller main body; And a plurality of support portions are arranged on the described section, and each support portion comprises the bearing that sequentially is arranged in wherein, to support rotationally described roller main body.

This guide reel can comprise: insert member, it is arranged on the passage corresponding to another passage, with described another channel connection, and comprise that in the outer part of described insertion member sealing is used to seal described passage.

Described connection part can comprise a plurality of uneven sections, described uneven section axially gives prominence to or axial recess in the connecting portion of described roller main body, described uneven section is with the circumferential arrangement of constant interval along described connecting portion, and the uneven section of the correspondence of described roller main body can engage.

Described support portion can comprise: a housing, and be attached to the side part of described section, and have a through hole, the described connection part of described roller main body passes described through hole; A stop (catching) protuberance places in the described through hole, is used for the lateral surface of the described bearing of stop; And a plurality of arrangement section places the both sides that are positioned at described stop protuberance in the described through hole, and wherein said bearing places in the described arrangement section.

Description of drawings

According to the following detailed description of carrying out by reference to the accompanying drawings, will more clearly understand above and other of the present invention aspect, feature and other advantages, in the accompanying drawing:

Fig. 1 shows the schematic diagram of the continuous casting process of association area;

Fig. 2 shows the stereogram of the guide reel of association area;

Fig. 3 shows the stereogram of connecting portion of the guide reel of Fig. 2;

Fig. 4 shows the sectional view of the connecting portion of Fig. 3;

Fig. 5 shows the front view of a section of the guide reel that comprises according to an embodiment of the invention;

Fig. 6 shows the stereogram of the guide reel of Fig. 5;

Fig. 7 shows the stereogram of connecting portion of the guide reel of Fig. 5; And

Fig. 8 shows the sectional view of the connecting portion of Fig. 7.

The specific embodiment

Describe exemplary of the present invention in detail referring now to accompanying drawing.Yet the present invention can implement with multitude of different ways, and should not be construed as limited to the embodiment that this paper illustrates.In the accompanying drawings, for purpose clearly, the shape and size of element may be exaggerated.Similar Reference numeral represents similar element in each accompanying drawing.

Fig. 5 shows the front view of a section of the guide reel that comprises according to an embodiment of the invention.Fig. 6 shows the stereogram of the guide reel of Fig. 5.Fig. 7 shows the stereogram of connecting portion of the guide reel of Fig. 5.Fig. 8 shows the sectional view of the connecting portion of Fig. 7.

Referring to Fig. 5 to 8, be installed on the section 110 with continuous transmission foundry goods according to the guide reel 160 of this embodiment.In this position, foundry goods can be cooled.

Section 110 can comprise that in the portable cord above and below of foundry goods upper bracket 112 and lower carriage 114 are with supporting guide roller 160.

Upper bracket 112 and lower carriage 114 make guide reel 160 be spaced apart from each other with preset distance, and guide reel 160 can depart from the part that be connected of guide reel 160 at downside in the part that is connected of upside.

Each guide reel 160 is included in the passage 164 in the roller main body 162, so that cooling agent is by described passage.Passage 164 can be connected to outside flexible pipe 122, and this outside flexible pipe 122 comprises cooling agent supply section and the cooling agent discharge section that is installed in the passage sidepiece by swivel joint 120.

Cooling agent is supplied by inner flexible pipe 124, and this inner flexible pipe is connected to one of them of described roller main body 162.Then, cooling agent can sequentially by placing the passage 164 in the roller main body 162, then be discharged by swivel joint 126 and outside flexible pipe 128 at guide reel 160 opposite sides.

Each guide reel 160 can comprise discrete roller main body 162.For example, the together rotation thereby described discrete roller main body 162 can be engaged with each other.

Roller main body 162 can be supported rotationally by support portion 170, and this support portion is included on the connecting portion 163 of roller main body 162 or the bearing on the end of roller main body 162 172 and 174.

For example, the roller main body 162 of formation guide reel 160 can comprise the first roller main body 162b, second roller main body 162a and the 3rd roller main body 162c of the centre that is placed in one.Second roller main body 162a and the 3rd roller main body 162c place the both sides of the first roller main body 162b.Yet the quantity that consists of the roller main body 162 of guide reel 160 is not limited particularly, is changeable.

Passage 164 can communicate with each other in roller main body 162.

Passage 164 corresponding to each other roller main body 162 can interconnect by inserting member 166.Insert member 166 and can place between the passage 164, the path that moves through to connect cooling agent.

Insert member 166 and can have the shape that its middle body has the pipe of longitudinal hole, to allow cooling agent by it.

Sealing can place on the external peripheral surface of two ends of inserting member 166, with seal channel 164.

Sealing can comprise the sunk part that places the external peripheral surface that inserts member 166.Containment member, for example, O shape ring 167 can place described sunk part with the inner surface of close contact and seal channel 164.

End corresponding to each other roller main body 162 can be engaged with each other.Therefore, be convenient to endwisely slipping of roller main body 162, and limit its rotation.

Thus, do not exist between the roller main body 162 to relatively rotate, thereby can prevent that close contact from rotating the O shape ring 167 of roller main body 162 passages 164 connected to one another with respect to roller main body 162.

Therefore, can prevent 167 slips or compressed of O shape ring, can prevent thus O shape annular strain and break.

The central external peripheral surface that inserts member 166 can be recessed, but its both sides of the edge rounding (rounded).

When the connecting portion 163 of roller main body 162 by temporary transient when crooked, the recessed central external peripheral surface that inserts member 166 can receive connecting portion 163, to guarantee the sealing of passage 164.

Roller main body 162 can comprise connection part in its end.Connection part corresponding to each other roller main body 162 is engaged with each other, and limits its rotation to allow it to endwisely slip.

Connection part can comprise uneven section 168, and this unevenness section has predetermined length and the axial outstanding or axial recess at the place, end of the connecting portion 163 of roller main body 162.Unevenness section 168 can arrange a plurality of along the circumference of connecting portion 163 with constant interval.

Corresponding to uneven section 168 alternative arrangements of each other connection part to be engaged with each other, so that connection part can firmly be connected to each other.

In this case, because the lateral surface of uneven section 168 contacts with each other, so the moving axially of restriction connection part.In addition, owing between uneven section 168, form end play, so connection part is allowed to endwisely slip in preset distance.

Guide reel 160 can be by receiving heat with contacting of foundry goods by this section 110, thus roller main body 162 experience thermal expansions.

Therefore, corresponding to the connection part of each other connecting portion 163 slidably in end play, to prevent because the distortion that thermal expansion causes.

Guide reel 160 can comprise support portion 170, with backing roll main body 162 rotationally.

Support portion 170 can be attached to this section 110, and comprises the

bearing

172 and 174 that sequentially is arranged in wherein, with backing roll main body 162 rotationally.

For example, two bearings can be set to sequentially be arranged in the

bearing

172 and 174 in the support portion 170, and each bearing 172 and 174 can comprise inside race (race) and outer race.

For this reason, support portion 170 can comprise the housing 176 of the side part that is attached to this section 110, a through hole can place in the described housing 176, the connecting portion 163 of roller main body 162 and the connection part that is arranged on the connecting portion 163---namely, uneven section 168---can pass described through hole.

Described through hole can be provided with stop protuberance 178, is used for the outer race of rigid bearing 172 and 174.When roller main body 162 and

bearing

172 and 174 thermal expansion, stop protuberance 178 makes the outer race stop of bearing 172 and 174, and allows inside race to expand, and prevents thus because thermal expansion causes damage to bearing 172 and 174.

Arrangement section---

bearing

172 and 174 is set to thereon---can place the both sides of stop protuberance 178.

Bearing

172 and 174 is attached to housing 176 in the both sides of stop protuberance 178, to support reliably the foundry goods by this section 110.

According to one embodiment of the invention, a plurality of bearings place on the connecting portion of guide reel to increase load-carrying ability, and connecting portion is allowed to longitudinal sliding motion to prevent because the damage that thermal expansion or contraction cause.

In addition, even in the connecting portion thermal expansion of this guide reel or when shrinking, between connecting portion, do not have the gap yet, thus transmitting torque reliably.The O shape ring that is used for the section that is tightly connected does not have circumferential movement, in case stop loss bad.

In addition, the durability of connecting portion is enhanced, and preventing refrigerant leaks, and cools off reliably foundry goods, improves thus the quality of foundry goods.

In addition, because the durability of connecting portion is enhanced, thus can be enhanced in the overall durability of guide reel and service life, and can reduce maintenance and the maintenance time of this guide reel, improve thus overall production.

Although illustrated and described the present invention in conjunction with exemplary, those skilled in the art will understand: in the situation that does not depart from the spirit and scope of the invention that is limited by appended claims, can make multiple remodeling and variant.

Claims

1. a guide reel is arranged on the section of continuous casting equipment, and this guide reel comprises:

A plurality of discrete roller main bodys, described roller main body has the passage that is arranged in the roller main body, to allow cooling agent by described passage;

A plurality of connection parts rotate together thereby the end of described roller main body is engaged with each other by described connection part, and wherein said connection part has predetermined axial length to allow moving axially of described roller main body; And

A plurality of support portions are arranged on the described section, and each support portion comprises the bearing that sequentially is arranged in wherein, to support rotationally described roller main body.

2. guide reel according to claim 1, comprise: insert member, this insertion member is arranged on the passage corresponding to another passage, with described another channel connection, and comprise that in the outer part of described insertion member sealing is used to seal described passage.

3. guide reel according to claim 1, wherein said connection part comprises a plurality of uneven sections, described uneven section axial outstanding or axial recess in the connecting portion of described roller main body, described uneven section is with the circumferential arrangement of constant interval along described connecting portion, and

The uneven section of the correspondence of described roller main body engages.

4. guide reel according to claim 1, wherein said support portion comprises:

A housing is attached to the side part of described section, and has a through hole, and the described connection part of described roller main body passes described through hole;

A stop protuberance places in the described through hole, is used for the lateral surface of the described bearing of stop; And

A plurality of arrangement section places the both sides that are positioned at described stop protuberance in the described through hole, and wherein said bearing places in the described arrangement section.