KR200185482Y1 - Inner bow repair device for continuous casting machine - Google Patents

Abstract

The present invention is a lifting table by the operation of the movable carriage 151 equipped with wheels 150 at the lower portion so as to rotate on the rail 150a, and the cylinder 110 installed at both sides of the upper and lower ends so as to cross each other thereon. An apparatus for repairing an inner bow of a casting bow of a continuous casting machine having a link 160 for raising and lowering 170 and a guide roll support member 222 installed on a lifting table and formed with a plurality of guides supporting blocks 221, The upper and lower pedestals 11 and 12 supporting the pocket measuring gauge 10 are fixed through a plurality of fixing pins 14 having springs 13 mounted on the outer circumference thereof, and are installed to be moved up and down on the lifting table 170. A support bar 10a; A cylinder 120 installed below both sides of the lifting table 170 and operated by hydraulic pressure supplied through the hydraulic hose 121 by the operation of the valve 121a to move the support bar 10a up and down; The guide 21 is installed on the lifting table 170 so as to be movable up and down under the support member 222 and the support 21 supporting the curvature measurement gauge 20 has a fixing pin 23 having a spring 22 mounted on its outer circumference. Installed through the support bar (20a); It is installed at both lower portions of the lifting table 170 to move the support bar 20a up and down, and is supported by the hydraulic pressure supplied through the hydraulic hose 131 by the operation of the valve 131a from the hydraulic pump 100. Provided is a casting bow inner bow repair apparatus for a continuous casting machine comprising a cylinder 130 that operates to move 20a up and down.

Description

Inner bow repair device of continuous casting machine casting bow

The present invention relates to an inner bow repair apparatus of a continuous casting machine casting bow formed in an arc shape, and more particularly, to an inner bow repair apparatus of a continuous casting machine casting bow capable of performing repair work by a simple working process.

In general, the continuous casting machine, as shown in Figure 1, has a casting bow (200) having a weight of about 280 tons formed in an arc shape, which is about 120 tons in weight and the inner bow of curvature R-9750 mm It is divided into (200A) and an outer bow (200B) having a curvature of R-10000mm, and the inner and outer bows are equipped with a plurality of guide rolls (49 outer and 48 inner) to continuously produce slabs from molten steel. Doing.

However, it is necessary to periodically repair and replace the casting bow 200 due to the wear of the guide roll 220 or the cooling water for cooling the slab penetrating into the pocket in which the block of the guide roll is seated and being deformed by heat. The outer bow 200B can be easily repaired without any difficulty in this repair process, but there is an obstacle 250 such as a quick open device to repair the inner bow 200A, and the guide roll is assembled from the bottom up. It was difficult to repair, such as the point, the weight is about 120 tons, and it takes a lot of manpower and a lot of time.

First, the quick open device 250 assembled to the inner bow 200A is separated, and then the inner bow is turned over using a crane, and the amount of wear on the pocket face of the inner bow 200A with the pocket 210 face up. In order to measure the measurement using the pocket measuring gauge and the gap gauge to measure the bottom surface and both sides of the pocket 210, and to record the guide roll 220 by inserting a liner made of iron plate thin as the amount of wear of the pocket 210 Adjust the curvature using the curvature gauge to match the curvature (R-9750mm) on the top of the assembled guide roll, separate the guide roll after the adjustment is completed, and then reverse the inner bow again to return to the original, A quick-open device is mounted, a mounting stand is installed, and a guide roll is assembled by the applicant (Application No. 95-37870) filed by the present applicant using an assembling device.

As described above, in the prior art, since the repair work is carried out through 10 unit work, a lot of time and a lot of manpower are required for the work, in particular, there is a risk of a safety accident during flipping work, and there is a concern that the facility may be deformed. .

The present invention is made to solve the problems of the prior art described above, the inner bow repair of the continuous casting machine casting bow that can perform repair work in a simple work process, and can perform a repair work safely in a short time with a small number of personnel It is an object to provide a device.

In order to achieve the above object, the inner bow repair apparatus of the continuous casting machine casting bow of the present invention includes a mobile bogie with wheels mounted on the lower part so as to transmit a rail, and an upper and lower ends intersecting each other thereon to operate cylinders installed on both sides. An inner bow repair apparatus of a continuous casting machine having a link for lifting and lowering a lifting table by a guide roll and a guide roll support member provided on the lifting table and having a plurality of guide roll support blocks, the upper and lower pedestals supporting a pocket measuring gauge. Bibiwa is fixed through a plurality of spring-loaded fixing pins on the outer periphery, and is installed to be moved up and down on the lifting table; Cylinders installed at both lower sides of the lifting table and operated by hydraulic pressure supplied through a hydraulic hose by an operation of a valve to move the support bar up and down; A support bar installed on the lifting table so as to be movable up and down under the guide roll support member, the support bar supporting a curvature measurement gauge installed through a spring-loaded fixing pin on its outer periphery; It is composed of a cylinder which is installed at the lower side of both sides of the lifting table to move the support bar up and down and moves the support bar up and down by the hydraulic pressure supplied through the hydraulic hose by the operation of the valve from the hydraulic pump.

1 is a side view of a continuous casting machine casting bow.

Figure 2 is a perspective view of the inner bow repair apparatus of the casting bow according to the present invention.

3 is an exploded perspective view of the repair device shown in FIG.

4 shows the inner bow waiting for repair work.

* Explanation of symbols for main parts of the drawings

10: pocket measuring gauge 10a: support bar

11,12,21: base 13,22: spring

14,23: fixing pin 15,24: washer

20: curvature measuring gauge 100: hydraulic pump

110,120,130: Cylinder 140: Motor

150: wheel 160: link

170: lifting table 200: casting bow

200A: inner bow 210: pocket

220: guide roll

Hereinafter, the inner bow repair apparatus of the continuous casting machine casting bow of the present invention will be described in detail with reference to the accompanying drawings showing a preferred embodiment.

FIG. 2 is a perspective view showing the inner bow repair apparatus of the continuous casting machine casting bow according to the present invention, and FIG. 3 is an exploded perspective view of the apparatus shown in FIG.

As shown in FIG. 2, one end of each of the rods 150 is mounted on the lower portion of the moving cart 151 so as to move on the rail 150a. The elevating link 160, which consists of two rods fixed in the middle, is installed in such a manner that the two rods connected to each other substantially cross each other, and these links are installed on both sides of the mobile truck 151, The other end of the rods constituting is coupled to the lifting table 170.

On one side of the upper surface of the lifting table 170, a support member 222 equipped with a plurality of blocks 221 for supporting the guide roll 220 is disposed to extend across the lifting table, and the support member 222 The curvature measuring gauge support bar 20a is installed adjacent to the lower surface so that both ends extend outwardly from both ends of the support member, and the curvature measurement gauge pedestal 21 is installed at positions adjacent to both ends of the upper surface of the support bar 20a. Holes are formed at both end portions of the support bar 20a, and the rod cramps 130b of the hydraulic cylinder 130 for moving the support bar up and down are coupled by bolts or the like. The hydraulic cylinders 130 installed on both sides of the lifting table are operated by the hydraulic pressure supplied through the hose 121 connected to the hydraulic pump 100 operated by the motor 140.

The curvature measuring gauge 20 forms a hole in the side of the middle to be aligned with the hole of the pedestal, and then is fixed with a bolt 21a and a nut 21b, and a tongue 22 is provided with a spring 22 at the outer diameter of the body and a bolt hole is formed. Through the pin 23 having 23a and three threaded pins 23b, the tongues of the pins are joined to the pedestal by bolts 21c and nuts 21d at the top and washers (20a) at the bottom. Couple the pins through 24) and fix them with nuts (23c).

A pocket measuring gauge 10 for measuring the abrasion state of the pocket 210 surface of the inner bow 200A adjacent to the opposite side end on which the curvature measuring gauge 20 of the lifting table 170 is installed is supported by the support bar 10a. Is installed through, both ends of the support bar (10a) to form a hole, the rod end (120b) of the hydraulic cylinder 120 for moving the support bar up and down is fixed by bolts (120a).

The pocket measuring gauge 10 is held by the upper pedestal 11 supported by the pin 14 mounted in the middle of the support bar 10a. The pocket measuring gauge 10 forms a hole in the bracket under the upper pedestal, and the spring is formed on the outer diameter of the body. (13) is provided, through the pin 14 having a tongue hole 14a having a bolt hole and a threaded pin portion 14b, at the upper portion, the tongue tongue portion of the pin is formed by a bolt 11a and a nut 11b. 12) is coupled to the upper pedestal 11 through the lower portion of the support bar (10a) through the washer 15 through the coupling of the pin portion and then fixed with a nut (14c).

Hydraulic cylinders 110 which operate to raise and lower the lifting table 170 by the hydraulic pressure supplied from the hydraulic pump 100 through the hydraulic hose to the connecting rods opposite the opposite sides of the rod constituting the lower link on the moving cart 151. ) Are arranged on both sides. In addition, hydraulic hoses 111, 121, 131 and opening / closing valves 11a, 121a, and 131a for supplying hydraulic pressure to the hydraulic cylinders 110, 120, and 130 are installed in front of the moving cart 151. The connected hydraulic pump 100 and the diverter valve 100a are installed, and a motor 140 for driving the hydraulic pump 100 is installed at the side thereof by the power supplied from the power connection 141.

Hereinafter will be described the operation of the inner bow repair apparatus of the continuous casting machine casting bow of the present invention described above.

After the inner bow 200A is seated on the rest table, the motor 140 is operated to move the moving cart 151 to move the repair device to the measurement position, and then the cylinders 110, 120, and 130 are operated to operate. Opening the switching valve 100a and operating the hydraulic pump 100 to open the valve 111a gradually, the hydraulic pressure is supplied through the hose 111, the cylinder 110 is operated so that the pocket measuring gauge 10 is the pocket 210. When the valve rises close to the surface, the valve 111a is locked, and when the valve 121a is gradually opened to supply the hydraulic pressure to the cylinder 120, the hydraulic pressure is supplied through the hose 121 to raise the cylinder 120 to increase the pocket gauge ( 10) touches the surface of the pocket 210 and when the spring 13 is tensioned, the valve 121a is locked and the surface of the pocket 210 is measured by a gap gauge.

Even if the pocket surface is inclined due to curvature, it is possible to measure smoothly by sliding the lower surface of the upper pedestal and the upper surface of the lower pedestal.

When descending, when the direction switching valve 100a is opened in the opposite direction and the valves 11a and 121a are opened, the cylinders 110 and 120 descend. When the pocket measurement of the inner bow is completed in this manner, the liner, which is as thin as the amount of wear of the pocket, is inserted when assembling the guide roll using the guide roll assembling device.

When measuring curvature, the guide roll having the wrong curvature is measured in the same manner as in pocket measurement, and then lowered by the guide roll assembling device and finally adjusted by the liner to complete the work.

According to the inner bow repair apparatus of the continuous casting machine casting bow of the present invention as described above, if the repair is performed while performing the inverting process through a number of 10 conventional processes, a large number of manpower is required, the working time is long, In case of problems such as occurrence and deformation of the equipment, repair work can be performed by a small number of workers in a short time by simple work, without being reversed by a repair device that has improved the existing guide roll assembly device. Can be prevented and the deformation of the equipment can be prevented, which can significantly reduce the cost and productivity of the reduced maintenance time.

Claims (1)

The lifting table 170 is operated by the operation of the movable carriage 151 having the wheels 150 mounted on the rails 150a and the upper and lower ends thereof so as to cross each other on the rails 150a. An apparatus for repairing an inner bow of a casting bow of a continuous casting machine having a link 160 for raising and lowering and a guide roll support member 222 provided on a lifting table and having a plurality of guide roll support blocks 221 formed thereon, the pocket measuring gauge The upper and lower pedestals 11 and 12 supporting the 10 are fixedly coupled through a plurality of fixing pins 14 having springs 13 mounted on the outer circumference thereof, and are installed to be moved up and down on the lifting table 170. A support bar 10a; A cylinder 120 installed at both lower sides of the lifting table 170 and operated by hydraulic pressure supplied through the hydraulic hose 121 by the operation of the valve 121a to move the support bar 10a up and down; The base 21 is installed to be movable up and down under the guide roll support member 222 on the lifting table 170 and supports the curvature measuring gauge 20 so that the fixing pin 23 having the spring 22 mounted on the outer circumference thereof. Curvature measuring gauge support bar (20a) installed through; It is installed at both lower sides of the lifting table 170 to move the support bar 20a up and down and is supported by the hydraulic pressure supplied through the hydraulic hose 131 by the operation of the valve 131a from the hydraulic pump 100. An apparatus for repairing an inner bow of a casting bow of a continuous casting machine, characterized in that it comprises a cylinder (130) operating to move the bar (20a) up and down.