The present invention relates to the continuous casting segment, more particularly, to the continuous casting segment to facilitate tilting during continuous casting.
BACKGROUND
[2]
In general, a continuous casting process (continuous casting process) is continuously injected into the molten steel in a constant-sheet mold, and to pull out the reaction of hard cast steel in the mold to the lower side of the continuously cast slabs (slab), Double (bloom), the billet ( a step for preparing semi-finished products of various shapes such as billet).
[3]
For segments that are provided in such a continuous schematic configuration and a continuous casting machine of a typical continuous casting machine which is the molding process is performed, with reference to FIG. 1 and a look.
[4]
And; (20 tundish), the tundish being supplied to the molten steel through an injection nozzle connected to; (10 ladle) and the ladle (10) to store it temporarily typical continuous casting machine is the ladle is refined molten steel ADD in the steel making process receiving the temporarily stored the molten steel in the tundish (20) while cooling the initial solidification the mold 30, and is provided in the lower portion of the mold (30) non-solidified slab (1) to a fixed shape a series of forming operations includes a cooling line (40); (50 segment) are consecutively arranged in a plurality of segments to perform.
[5]
Here, the segment 50 is aligned so that the plurality of rollers (53, 54) facing the upper frame 51 and lower frame 52 are spaced apart vertically, and the upper frame 51 and lower frame 52 on by; (56 tie rod) and, by substituting these tie rod 56 to the piston to adjust the spacing between the upper frame 51 and lower frame 52, the product 1 up and down a plurality of tie rod connecting in and a plurality of hydraulic cylinders (55) for applying the rolling force.
[6]
These segments 50 becomes the urging force of the inlet and outlet vary by the operation of a plurality of hydraulic cylinders (55), by deformation of the tie-rod 56 provided between the upper frame 51 and lower frame 52 rollers provided on the inlet and outlet segments (53, 54) are to be arranged in an inclined form.
[7]
That is, the segment 50 is called an upper frame 51. The inclined relative to the lower frame 52 fixed to adjust the inclination of the inlet and the outlet and which, loaded tie these reduction methods manner to the reduction of the product 1 do. Thus, the product 1 having passed through the mold 30 is pressed down by a plurality of rollers (53, 54) while passing through the spaced space between the top frame 51 and bottom frame 52 is molded into a certain shape.
[8]
For the molding maintain a gap of the rollers (53, 54) provided between the upper frame 51 and lower frame 52 of the segment in the horizontal or, less, or the increasing the inlet roller gap and the outlet roller gap, the upper frame (51 ) is such as to have a slope is required.
[9]
However, the tie rod segment 50 scheme is applied, bending the upper frame 51 and lower frame a plurality of hydraulic cylinders 55 and the tie rod (56) in accordance with (52) is maintained in an inclined shape with respect to each other power can occur. Due to this, there is a problem that the hydraulic cylinder (55) or the tie rod 56 is damaged.
[10]
In addition, there is a problem to operate a plurality of hydraulic cylinders (55) in the unbroken range and due to deform the tie rod (56), place a restriction on the slope of the upper frame 51 having.
Detailed Description of the Invention
SUMMARY
[11]
The invention has its main objective to provide a continuous casting segment that can facilitate continuous casting tilting.
Problem solving means
[12]
Continuous casting segment according to the invention, each equipped with a plurality of rollers for pressing the slab first frame and second frame; Part 1 works in one direction advances the cast is installed on the first frame that is rotatably connected to the second frame; And installed on the first frame in the traveling direction the other side the cast characterized in that it comprises a second operating unit which is rotatably connected to the second frame.
[13]
Continuous casting segment according to the invention, each equipped with a plurality of rollers for pressing the slab first frame and second frame; The cast is installed at one side of the traveling direction to the said first frame, wherein the operation part 1 with a first hinge portion and a ring rotatably coupled is formed at one side of the second frame; The state is provided on the first frame in the traveling direction the other convenience, the first part 2 operating with a second hinge portion and a ring rotatably coupled is formed at the other side of the second frame; And the second hinge parts of hinge holes or the first and the second comprises a hinge pin that is inserted into the coupling hole ring portion negative working, the hinge hole and the hinge pin, or between the coupling hole and has the hinge pin between the hinge pin of the It characterized in that the clearance to be able to move laterally in the present.
[14]
In addition, continuous casting according to the present invention segments, each having a plurality of rollers for pressing the slab first frame and second frame; The cast is installed at one side of the traveling direction to the said first frame, wherein the operation part 1 with a first hinge portion and a ring rotatably coupled is formed at one side of the second frame; The state is provided on the first frame in the traveling direction the other convenience, the first part 2 operating with a second hinge portion and a ring rotatably coupled is formed at the other side of the second frame; And it is interposed a bush interposed between the second hinge parts of hinge holes or the second operating portion ring portion coupling comprises a hinge pin that is inserted into the hole, or the engaging holes between the hinge hole and the hinge pin and the hinge pin being provided between the bush and the hinge pin is characterized in that the clearance to be able to move to the side of the hinge pin there.
Effects of the Invention
[15]
According to the present invention as described above, of course, it is that the continuous casting segment can be easily tilted, so that the effect of maintaining the self-supporting condition, without falling.
[16]
According to the present invention, it is possible to prevent damage or malfunction caused by bending force is possible is effective in ultimately increase the life of the equipment.
[17]
Moreover, according to the present invention, there is obtained an effect to improve the overall productivity, with maintaining the quality of the main room.
Brief Description of the Drawings
[18]
1 is a view schematically showing the configuration of a typical continuous casting machine.
[19]
Figure 2 is a side view of a segment in accordance with one embodiment of the present invention.
[20]
3 and 4 are one side view showing a state in which the tilting segment in accordance with one embodiment of the present invention.
[21]
5 and 6 are views showing parts of a second hinge shown in Figures 2 to 4.
Best Mode for Carrying Out the Invention
[22]
Hereinafter, the invention will be described in detail through illustrative drawings. In addition as the reference numerals in the respective drawings of the component, as to the same elements even though shown in different drawings It should be noted that and to have the same reference numerals as much as possible. Further, in the following description of the present invention, a detailed description of known functions and configurations that are determined to obscure the gist of the present invention, the detailed description thereof will be omitted.
[23]
Figure 2 is a side view showing the one segment in accordance with one embodiment of the present invention, it Figures 3 and 4 are one side view showing a state in which the tilting segment in accordance with one embodiment of the present invention.
[24]
As shown in these figures, the continuous casting according to one embodiment of the present invention segments, slab 1 (see Fig. 1) to the first frame (100 each having a plurality of rollers for pressing (110, 210) ) and the second frame 200; A first operating unit 300 is installed on the first frame 100 at the moving direction side of the product 1 which is rotatably connected to the second frame 200; And installed on the first frame 100 in the traveling direction the other side of the product 1 includes a first operation part 2 is rotatably connected to the second frame 200 (400).
[25]
A row according to one embodiment of the present invention for molding segment is disposed on the traveling path of the product 1 to be supplied by the continuous casting process of the plurality is provided to support and pressure and transferring the top or bottom of the product 1 and a roller (110, 210). The segment of the invention comprises a first frame 100 and second frame 200, for supporting the plurality of rollers 110 and 210, respectively.
[26]
For this purpose, the first frame 100 and second frame 200 may be rotatably supported (210 110,) a plurality of roller rotation and provided for each roller support block 120 and 220 is coupled to the roller. The roller support block 120 and 220 has a not-shown bearing for supporting a respective roller (110, 210) may be provided.
[27]
And a single roller in the width direction of the product 1 can be provided, can be provided by a plurality of rollers in consideration of the distribution of the load. In the case where a single roller in the width direction of the product 1 is provided, it is preferable that at least one pair of rollers installed back and forth relative to the main traveling direction convenience for each frame.
[28]
On the other hand, a cast steel produced by the continuous casting step (1) To avoid the possibility of cracking due to volume shrinkage occurring in the water or delivery solidification contained therein, a process of rolling a slab (1) in advance proceeds. In the reduction process of this product 1, the first frame 100 and second frame 200, a gap by the remains inclined with respect to each other, and correspondingly reducing the increase the inlet roller gap of the segment, and the outlet roller gap to thereby pressing down the slab (1) reduce gradually.
[29]
In the first frame a first operating unit 300 is installed to 100 of the inlet that the product 1 is introduced for this purpose, the product 1 the part 2 operation is installed on the first frame 100 of the outlet discharged ( 400) may include. The first operating unit 300, and a can vary the distance to the slope of between 2 to control the operation of the operating unit 400, the first frame 100 and second frame 200 by using this roller ( 110, it is possible to adjust the gap size between 210).
[30]
In one example, the first operating unit 300 is the first operation rod 310 may be provided in the cylinder working by fluid pressure, the provided first operation unit 300 to enable expansion and contraction, as shown in figure It includes. Alternatively, it is surrounded by the shield member 330 such as a peripheral, for example a corrugated pipe of the first operation rod 310, as shown in Figure 2, the first operation rod 310 is to be protected, preventing the foreign material flowing have.
[31]
Here, the first operating unit 300 is installed at a side of the first frame 100, a first frame 100, a first operation rod 310 has a through hole 130 provided so as to pass through can be formed have. A first operation rod 310 may be coupled to one side of the second frame 200 through the through hole 130 of the first frame (100).
[32]
At this time, the can be formed with a ring portion 320 at the free end of the first operation rod 310, a first and a ring part 320 is a hinge pin (not shown) intermediate the first operation rod 310, 2 the rotation of the first hinge section 500 formed to correspond to one side of the frame 200 can be made engageable.
[33]
Similarly, the second operation unit 400, also as shown in the figure may be provided in the cylinder working by fluid pressure, the second operating unit 400 is new can be provided a second operating a load (410) do. Alternatively, it can be protected with the surrounded by the shield member 430, such as the periphery of the second operation rod 410 may be for example a corrugated pipe, and the second operation rod 410, as illustrated in FIG.
[34]
The second operating unit 400 may be installed in the other side of the first frame 100, a first frame through hole 130 is provided (100) to pass through the second operation rod 410 is formed. A second operation rod 410 may be connected to the other side of the second frame 200 through the through hole 130 of the first frame (100).
[35]
To this end, the second may be formed of a ring portion 420 at the free end of the operation rod 410, the claw 420 of the second operation rod 410 to correspond to the other side of the second frame 200, the second rotation can be coupled to the hinge portion 600 is formed.
[36]
The first operation part 300 and the second operating unit 400 is however illustrated, for example, cylinder and described, configuration of each work unit is not necessarily limited thereto but may be applied to any actuator operable by electricity.
[37]
As shown in Figure 5 and 6, the second hinge part 600 and spaced apart across the ring portion 420 from each other, each hinge hole 612, a pair of hinge arms 610 with the , it includes a hinge pin 620 that is inserted through the coupling holes 422 of these hinge hole 612 and the ring 420.
[38]
Further, in the bush between the hinge holes 612 or the engaging hole 422, and between the hinge pin 620, there is a bush 630 may be interposed, the bush 630 and the hinge pin 620 to be received therein, the hinge pin from the inside of a 630 620 is that the clearance (S) that can move (perpendicular to the longitudinal axis of the hinge pin), and existing lateral rotation at the same time is preferred. Size of the clearance (S) is not specifically restricted, it is preferable more than 0 and not more than 20mm.
[39]
But not necessarily limited to interposition of the bush, for example, the hinge pin 620 between the hinge holes 612 and between or a combination of hinge pin 620, hole 422 and the hinge pin 620 without bush at the same time as this rotation may be present in the clearance (S) that can be moved laterally (perpendicular to the longitudinal axis of the hinge pin).
[40]
With such a clearance, for example, the first operating unit 300, the second operating unit 400, as shown in a second operating unit 400. The height, or even 4 than as shown in Figure 3 is claim when more height than the first operating unit 300, the first operation of the first operating unit 300, load 310 is rotated by the hinge pin of the first hinge section 500 as the center of rotation, the second operating a second operation rod 410 of the unit 400, the second being also rotated about the hinge pin 620 of the hinge portion 600, and at the same time it moves to the side on Fig. 6, without the bending force does not occur a second It will be able to function portion 400 can smoothly stretch and rotation. Thus, the first frame 100 is tilted by rotating the first hinge part 500 of the second frame 200 as the center of rotation.
[41]
Between the bush 630 and the hinge pin 620 has it been embedded, for example Yun Hwalje such as grease is filled it is possible to ensure smooth rotation and movement of the hinge pin (620). In addition, between the hinge holes 612 or the engaging hole 422 and the hinge pin 620 is interposed in various forms of the sealing member 640, it is possible to prevent entry of foreign material or Yun Hwalje.
[42]
In the vicinity of both ends of the longitudinal direction of the hinge pin 620, the side of the hinge arm 610, the cover (650 serving as a stopper for preventing the detachment of the hinge pin 620 with a role as a cover to prevent entry of foreign matter , 660) can be installed. Each cover (650, 660) is held in place by a retaining screw 656 around the hinge hole 612 of the hinge arm (610).
[43]
The first detailed description of the construction of hinge portion 500 was omitted, the first hinge portion 500 may have the same configuration as that of the previously described second hinge part (600). However, no play in the hinge pin can be moved, a first operation rod 310 of the first operating unit 300 may only rotate by a hinge pin of the first hinge section 500 as the center of rotation.
[44]
On the other hand, the first hinge section 500 or the second can to be the center of the hinge portion the roller 210 in the vertical plane passing through the axis of each hinge pin (600) position. Therefore, correctly setting the roller gap of a desired size can be so maintained, it is possible to improve the quality of the main convenience accordingly.
[45]
In this manner, the first frame 100 and second frame 200 to the slope of the variation easily as the corresponding operation rod (310, 410) by a hydraulic pressure supplied to each operating unit (300, 400) telescopic tilting It can be. With a range of such inclination and adjust the roller gap between the first frame 100 and second frame 200, it may be added to the push-down force to the product 1 passing between the plurality of rollers by using this.
[46]
Further, the degree of the second operating unit 400 as in the third may be a smaller height than the first operating unit 300, whereby the position on the exit side of the first frame 100 and second frame 200 being a gap between the rollers 110 and 210 becomes smaller than the gap between the rollers 110 and 210 located at the inlet, a reduction process of the product 1 are able to be implemented.
[47]
Continuous casting segment in accordance with one embodiment of the invention, the first frame 100 and second frame 200, the operation rod (310, 410) for each actuating portion (300, 400) in the course of the inclined arrangement with the becomes the rotation achieved between the second frame 200, and thus do not have the generation of the bending force may damage the device can be prevented.
[48]
Particularly in the continuous casting segment in accordance with one embodiment of the present invention, the first operating member 300 is rotatable in one portion, and the second is provided to enable the operation part 400 is rotated and moved from one place.
[49]
Accordingly, the segment of the present invention comprises a first frame 100 and second frame 200, when the product 1 is not supplied to between the respective actuating portion (300, 400), the second frame 200 and is rotated It is possible, but from the first frame 100 is presented without being limiting the rotation is made. After all, the first frame 100 can maintain a self-standing state that are falling with respect to the second frame 200.
[50]
The above description is only to those described as the technical idea of ​​the present invention by way of example, those skilled in the art that various modifications, additions and substitutions will be possible without departing from the essential characteristics of the present invention. Accordingly, the disclosed invention embodiments is for illustrative and not intended to limit the technical idea of ​​the present invention, but the scope of the technical idea of ​​the present invention, by such an embodiment is not limited. The scope of protection of the invention is to be interpreted by the following claims, all spirits within a scope equivalent will be construed as included in the scope of the present invention.
Industrial Applicability
[51]
As described above, there is a segment that can maintain a self-standing state, of course, not fall easily tilted useful in the continuous casting art.

Claims
[Claim 1]
The respectively provided with a plurality of rollers for pressing the slab first frame and second frame; Part 1 works in one direction advances the cast is installed on the first frame that is rotatably connected to the second frame; And a continuous casting segment containing the other side in the traveling direction the cast is installed on the first frame, a second operation that is rotatably connected to the second frame portion.
[Claim 2]
The method of claim 1, wherein the first operating portion stretching possibly including a first operation rod is provided, said second continuous casting segment, characterized in that it comprises a second actuating rod operating part provided to enable expansion and contraction.
[Claim 3]
3. The method of claim 2, wherein is added to form rings at the free end of the first operation rod, the ring of the first actuation rod portion, and coupled to the first hinge part is formed to correspond to one side of the second frame and the rotation, the second working free end of a second continuous casting segment, characterized in that rotatably coupled to the hinge parts are formed additional ring, the formed ring of the second operation rod portion to correspond to the other side of the second frame to the load.
[Claim 4]
The method of claim 3, wherein the second hinge part, spaced the second operation rod while sandwiching position ring portions of a pair of hinge arms and the hinge hole and the second operation rod, each with a hinge hole of one another continuous casting segment comprises a hinge pin which is inserted through the ring portion coupling hole.
[Claim 5]
The method of claim 4, wherein the bush is interposed between the hinge holes or the coupling hole and the hinge pin is disposed, characterized in that between the bush and the hinge pin is a clearance to be able to move to the side of the hinge pin there segments for continuous casting of.
[Claim 6]
The method of claim 5, wherein the continuous casting segment, characterized in that the bush which has the Yun Hwalje is filled between the hinge pin put.
[Claim 7]
4 wherein, the hinge hole or the coupling hole and, the continuous casting segment, characterized in that at least one sealing member is interposed between the hinge pin on.
[Claim 8]
The method of claim 4, wherein the continuous casting segment, characterized in that near both ends of the longitudinal direction of the hinge pin, that the cover is installed on the side of the hinge arm.
[Claim 9]
The method of claim 3, wherein the first hinge section or the second continuous casting segment, characterized in that the vertical plane passing through the axis of each hinge pin in the second hinge portion being the center of the roller position.
[Claim 10]
2 wherein, the periphery of the actuating rod continuous casting segment, characterized in that the working and protect the rod surrounded by a shield member for preventing the inflow of the foreign matter on.
[Claim 11]
The respectively provided with a plurality of rollers for pressing the slab first frame and second frame; The cast is installed at one side of the traveling direction to the said first frame, wherein the operation part 1 with a first hinge portion and a ring rotatably coupled is formed at one side of the second frame; The state is provided on the first frame in the traveling direction the other convenience, the first part 2 operating with a second hinge portion and a ring rotatably coupled is formed at the other side of the second frame; And the second hinge parts of hinge holes or the first and the second comprises a hinge pin that is inserted into the coupling hole ring portion negative working, the hinge hole and the hinge pin, or between the coupling hole and has the hinge pin between the hinge pin of the continuous casting segments that play to be able to move laterally in the present.
[Claim 12]
The respectively provided with a plurality of rollers for pressing the slab first frame and second frame; The cast is installed at one side of the traveling direction to the said first frame, wherein the operation part 1 with a first hinge portion and a ring rotatably coupled is formed at one side of the second frame; The state is provided on the first frame in the traveling direction the other convenience, the first part 2 operating with a second hinge portion and a ring rotatably coupled is formed at the other side of the second frame; And it is interposed a bush interposed between the second hinge parts of hinge holes or the second operating portion ring portion coupling comprises a hinge pin that is inserted into the hole, or the engaging holes between the hinge hole and the hinge pin and the hinge pin is, continuous casting segment between the bush and the hinge pin has a clearance to be able to move to the side of the hinge pin there.
[Claim 13]
The method of claim 12, wherein the continuous casting segment, characterized in that the bush which has the Yun Hwalje is filled between the hinge pin put.