KR200243132Y1 - Roll center adjustment and surface inspection device for rolling roll replacement - Google Patents

Abstract

The present invention can carry out the center adjustment work of the rolling rolls with only a few workers, and the rolling rolls can be freely rotated to reduce the load of maintenance work, improve work productivity, and prevent safety accidents. The present invention relates to a roll center adjustment and surface inspection device for roll replacement.

The present invention provides a trolley movable on a pair of rails on the side of the bagging device, and a moving unit equipped with a motor and a chain having a plurality of wheels under the cart and driving the wheels; An elevating portion having a pair of side-by-side guide members mounted on the upper surface of the moving portion of the moving portion and having a drive motor and a screw member for elevating the link leg portion fitted to the guide member up and down; A roll rotating body rotatably mounted on an upper surface of the pedestal of the elevating part, and a driving motor and a gear box for rotating the roll rotating body are positioned on the lower side adjacent to the roll rotating body, and the roll rotating body is moved in the longitudinal direction. Roll rotating unit having a drive motor and a screw member for making; And a control panel panel equipped with a switch for selectively operating each of the driving motors.

Description

Roll center adjustment and surface inspection device for rolling roll replacement

The present invention relates to a device that can easily perform the center adjustment and surface inspection of the rolling rolls in the standby state for the replacement of the rolling rolls, and more specifically, the center of the rolling rolls can be adjusted by only a few workers. The present invention relates to a roll center adjustment and surface inspection apparatus for replacing a rolling roll, which can reduce the load of maintenance work, improve work productivity, and prevent safety accidents by being able to freely rotate the rolling roll.

In general, the rolling rolls used in the rolling stand of steel mills are heavy rolling rolls, which must maintain good surface roughness in order to produce steel sheets of good quality. These rolling rolls must be regularly repaired, and the finished rolling rolls are mounted up and down on a baggy device with choke bearings mounted at both ends to be mounted on the rolling stand.

As such, as shown in FIG. 1, the rolling rolls seated on the barge device to adjust the center of the upper and lower rolling rolls 100a and 100b to finish the inspection and maintenance of the surface and enter the rolling stand. At the same time the surface of the final rolling roll (100a) (100b) will be subjected to.

Matching the centers of the rolling rolls 100a and 100b seated on the barging device 110 is necessary to rotate the rolling rolls at an angle to enter the rolling stand in the correct direction, which is manually operated by a worker using a mouthpiece. In this case, if the rolling rolls 100a and 100b are rotated at a predetermined angle or this operation is not easy, the rolling rolls are rotated by pulling the mouth using a ceiling crane, and the center is adjusted in an appropriate state to restart the rolling rolls. To position. However, such a conventional operation has a problem that it is difficult to move the precise rolling rolls 100a and 100b because the ceiling crane is used, and thus a long time is required for the center adjustment operation. Also, in order to rotate the rolling rolls 100a and 100b seated on the barge device 110, this operation was very difficult because the operator had to manually rotate the rolling rolls 100a and 100b on the choke bearing 112. . Therefore, when replacing the roll stand, the roll replacement time is long, the center adjustment work for the roll inspection before and after rolling and the rotation of the roll are required, and the work load of the worker is increased, and the crane rope ( 115) There is a problem that frequent accidents due to poor work.

The present invention is to solve the conventional problems as described above, the purpose is to reduce the load of the maintenance work by being able to perform the center adjustment operation of the rolling rolls only a few operators, the rotation of the rolling rolls freely, It is to provide a roll center adjustment and surface inspection device for replacing rolling rolls to improve work productivity and prevent safety accidents.

1 is an explanatory diagram showing a method of performing a roll center adjustment and surface inspection for replacing a rolling roll according to a conventional technique.

2 is an overall configuration diagram of a roll center adjustment and surface inspection apparatus for replacing a rolling roll according to the present invention.

Figure 3 is a partial exploded perspective view of the roll center adjustment and surface inspection apparatus for replacing the rolling roll according to the present invention, showing a roll rotating part.

4 is an exploded perspective view of a part of a roll center adjustment and surface inspection apparatus for replacing a rolling roll according to the present invention, showing a moving part.

5 is a cross-sectional view of the roll rotating body provided in the roll center adjustment and surface inspection apparatus for replacing the rolling roll according to the present invention.

6 is an operational state diagram of a roll center adjustment and surface inspection apparatus for replacing a rolling roll according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: drive unit 18: chain

25: lifting portion 27a, 27b: guide member

30: link leg 40: support plate

45 screw member 52 support plate

60: roll rotating body 62: groove

64: gear

In order to achieve the above object, the present invention, in the device that can easily perform the center adjustment and surface inspection of the rolling roll in the standby state on the barge device for the replacement of the rolling roll, A moving unit having a trolley movable on a rail and a plurality of wheels under the trolley; It has a pair of side-by-side guide member mounted on the upper surface of the moving part, each of the X-shaped link leg is mounted on the inside of the guide member, a support plate is mounted on the top of the link leg portion, and the link leg is lifted up and down A lifting unit equipped with a driving motor and a screw member for lowering; The roll rotating body is rotatably mounted on an upper surface of the pedestal of the lifting unit, and the groove of the roll rotating body is machined to fit the side end of the rolling roll, and the gear is formed on the circumferential surface while the roll rotating body is rotated. A roll motor having a drive motor and a screw member for driving the gear motor and the gear box to be located at a lower side adjacent to the roll rotor, and for moving the roll rotor in the longitudinal direction; And a rolling roll fitted to the roll rotating body by mounting a switch for selectively operating the respective driving motors to move the bogie on the rail, raise and lower the pedestal, move the roll rotating body forward and backward, and rotate the roll rotating body. By raising and lowering one side of the control panel to rotate the rolling roll; by providing a roll center adjustment and surface inspection apparatus for replacing the rolling roll.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

Roll center adjustment and surface inspection apparatus 1 for replacing the rolling roll according to the present invention, as shown in Figure 2 as a whole, the standby state on the barge device 110 for the replacement of the rolling roll (100a) (100b) Center adjustment and surface inspection of the rolling rolls (100a) and (100b) in the can easily be carried out, and has a moving part (10) which is movable left and right on the side of the bagging device (110). The moving part 10 has a pair of rails 12, as shown in the exploded view in FIG. 4, having a bogie 16 having a plurality of wheels 14 at the bottom, which are movable on the rails 12. As shown in FIG. The motor 16 and the chain 18 are mounted on the trolley 16 to rotate the wheel 14 to move the trolley 16 back and forth. The motor m1 has a drive sprocket 19 mounted to its rotation shaft, a chain 18 is connected to the drive sprocket 19, and the chain 18 is connected to the long hole 16a of the trolley 16. It extends downward and is connected to the driven sprocket 20 of the shaft 22 which connects the wheel 14 to each other. Therefore, when the rotating shaft is rotated forward and reverse by the operation of the drive motor m1, the wheel 14 is rotated forward and backward through the drive sprocket 19, the chain 18 and the driven sprocket 20, and the wheel 14 ) Is rotated forward and backward, and the trolley 16 moves forward and backward on the rail 12.

In addition, the elevating portion 25 mounted on the upper surface of the trolley 16 of the moving portion 10 includes a pair of side-by-side guide members 27a, and each of the X-type link leg portions inside the guide member 27a. Bar 30 is mounted, the guide member 27a is formed with a guide groove 32 in the upper surface inward, respectively, the long hole 33a is formed in each side of the guide groove 32, The guide groove 32 is rotatably connected to one side of the link leg portion 30 as a hinge 34 to one side, and the projection formed at the other lower end of the link leg portion 30 with the long hole 33a. 35a is fitted to slide.

In addition, a support plate 40 is mounted on an upper portion of the link leg 30, and another guide member 27b corresponding to the guide member 27a is symmetrically mounted on a lower surface of the support plate 40. And one end of the upper end of the link leg 30 is rotatably connected, and a long hole 33b is formed in the guide member 27b, so that the protrusion 35b of the other end of the upper leg of the link leg 30 is formed. It is fitted to slide in the long hole 33b.

In addition, a driving motor m2 and a screw member 45 are provided to raise and lower the link leg part 30 up and down, and the driving motor m2 is a screw extending between the guide members 27a. The member 45 is mounted on the rotating shaft, and the screw member 45 is screwed to the nut 47a formed at the center of the supporting rod 47 for connecting to the lower end side of the X-type link leg 30. To have. Therefore, when the driving motor m2 is operated to reversely rotate the screw member 45, the screw member 45 is rotated forward and backward in the nut 47a to support the support rod 47 on which the nut 47a is mounted. It is pushed back and forth, the lower end side of the X-shaped link leg portion 30 is connected to the support rod 47, the projection 35a is guided and moved back and forth in the long hole 33a, the link leg portion 30 Pedestal 40 mounted on the top side of the) is to be moved up and down.

In addition, the roll rotating unit 50 mounted on the upper surface of the pedestal 40 has a driving motor m3 mounted at a predetermined height on a support plate 53 upright formed at the front side of the pedestal 40, and the driving motor. The screw member 52 is mounted to the rotating shaft of m3. In addition, the other side of the upper surface of the pedestal 40 of the elevating portion 25 has a roll rotating body 60 mounted to be rotatable in the circular tube 57 of the gear box 55, the roll rotating body 60 As shown in FIG. 5, the recess 62 is machined to fit the side ends of the rolling rolls 100a and 100b, and the gear 64 is formed on the outer circumferential surface of the roll rotating body 60. One side of the roll rotating body 60 is a drive motor (m3) for rotating the roll rotating body 60 is located. In addition, the roll rotating body 60 has a hollow structure, and on both sides, female screws 66 are formed to screw the screw members 52, respectively, so that the screw members 52 are screwed to the driving motor ( When the screw member 52 is rotated by the operation of m3), the roll rotating body 60 is moved back and forth in the cylindrical tube 57 of the gearbox 55.

In addition, in the gear box 55 located on the lower side of the roll rotating body 60, as shown in FIG. 3, the gear 68 engaged with the gear 64 formed on the outer circumferential surface of the roll rotating body 60. ) Has a driven bevel gear 70 formed on the outer circumferential surface, the driven bevel gear 70 has a conical bevel gear surface 72 on one side, the bevel gear surface 72 is the gearbox ( 55 is engaged with the bevel gear surface 78 of the drive bevel gear 76 formed on the shaft of the drive motor m4 extending into the interior of the drive motor m4. Accordingly, the rotation operation of the drive motor m4 rotates the drive bevel gear 76, which rotates the driven bevel gear 70 to engage the gear 68 formed on the outer circumferential surface of the driven bevel gear 70. The roll rotating body 60 having the gear 64 on its outer circumferential surface is rotated in the circular tube 57 of the gear box 55.

The control panel 90 mounted with the switches 80, 82, 84, and 86 for selectively operating the respective driving motors m1, m2, m3, and m4 is provided with a trolley 16. It is mounted on the upper surface of the, and electrically connected to each of the drive motor (m1) (m2) (m3) (m4), to move the bogie 16 on the rail 12, the pedestal 40 is raised and lowered And rotate the rolling rolls 100a and 100b fitted to the roll rotating body 60 by moving the roll rotating body 60 forward, backward and rotating.

Reference numeral 92 is a power cord reel for supplying power to the control panel (90).

The roll center adjustment and surface inspection apparatus 1 for replacing the rolling rolls of the present invention configured as described above adjusts the center of the rolling rolls 100a and 100b seated on the bar laying device 110 and rolls 100a. In order to inspect the surface of the 100b, the operator first climbs to the upper portion of the trolley 16 as shown in FIG. 6 and operates the moving part drive motor m1 switch 80 on the control panel 90. . Accordingly, the driving motor m of the moving unit 10 is operated, which operates the wheel 14 through the driving sprocket 19, the chain 18, and the driven sprocket 20, thereby allowing the trolley 16 to unload. Run close to 110. Then, when the proper position is reached, the rolling rolls 100a and 100b to be center-adjusted and rotated are selected and the roll rotating body 60 is raised to its height. In this case, the control panel 90 The lifting unit driving motor (m2) switch 82 is operated, and the screw member 45 is rotated by the operation of the driving motor (m2), which is an X-shaped link through the nut 47a of the support bar 47. The lower and upper ends of the leg part 30 are moved forward and backward on the long holes 33a and 33b of the guide members 27a and 27b to raise the roll rotating body 60 to a desired height. And, as described above, the roll rotation body 60, the height adjustment is completed as the operator operates the drive motor (m3) switch 84 provided in the control panel panel 90, the drive motor (m3) is operated to drive the screw member 52 It rotates, which advances the roll rotating body 60 through the female threaded portion 66 of the roll rotating body 60, the groove 62 formed in the front end of the roll rotating body 60 of the rolling roll (100a) (100b) It is to be fitted to one end. In this state, if the rolling rolls 100a and 100b are rotated to check whether the outer circumferential surface is defective, the operator operates the drive motor m4 switch 86 of the control panel 90 to drive the motor m4. ) And the driving motor m4 rotates the gear 62 formed on the outer circumferential surface of the roll rotating body 60 through the driving bevel gear 76 and the driven bevel gear 70 mounted in the gearbox 55. By rolling, the roll rotating body 60 is rotated in the circular tube 57 of the gear box 55 together with the rolling rolls 100a and 100b.

Therefore, the operator can observe the outer circumferential surface of the rolling rolls 100a and 100b in detail without exerting any force on the main surface of the rolling rolls 100a and 100b.

On the other hand, if the inspection work on the outer circumferential surface of the rolling roll (100a) (100b) as described above, and want to achieve the center adjustment of the rolling roll (100a) (100b), the elevating unit 25 drive motor (m2) switch 82 By further rotating the rolling rolls (100a) and (100b) by operating), precise center adjustment work of the rolling rolls (100a, 100b) can be performed. Therefore, the operator can easily adjust the center roll or rotate the rolling rolls (100a) (100b) can easily achieve the replacement work of the rolling rolls (100a) (100b).

Then, as described above, when the center adjustment work is completed by the rising operation of any one of the rolling rolls 100a and 100b, and the outer peripheral surface inspection work by the rolling rolls 100a and 100b is completed, Also, using the lifting unit 25, the roll rotating body 60 can be raised and lowered, and the centering work of the rolling rolls 100a and 100b and the rotating work of the rolling rolls 100a and 100b can be achieved easily and in a short time.

According to the present invention as described above, the center of the rolling rolls (100a, 100b) can be adjusted by only a few operators to adjust the control panel 90, the rotation of the rolling rolls (100a) (100b) freely As a result, it is possible to reduce the load of maintenance work, to improve work productivity and to prevent safety accidents.

Claims (1)

In the apparatus which can easily perform center adjustment and surface inspection of the rolling rolls 100a and 100b in the stand-by state on the barning apparatus 110 for replacement of the rolling rolls 100a and 100b. 110, a trolley 16 movable on a pair of rails 12 on the side, and a motor m1 and a chain having a plurality of wheels 14 below it and driving the wheels 14 on the trolley 16. Mounted moving unit 10; A pair of side-by-side guide members 27a mounted on the upper surface of the trolley 16 of the moving part 10 are provided, and the X-type link leg portions 30 are mounted inside the guide members 27a, respectively. A lifting part 25 having a support plate 40 mounted on an upper portion of the link leg part 30, and having a driving motor m2 and a screw member 45 for raising and lowering the link leg part 30 up and down; The roll rotating body 60 is rotatably mounted on an upper surface of the pedestal 40 of the lifting unit 25, and the tip of the roll rotating body 60 is fitted to the side ends of the rolling rolls 100a and 100b. The groove 62 is processed so that the gear 64 is formed on the circumferential surface, and the driving motor m4 and the gear box 55 for rotating the roll rotating body 60 are adjacent to the roll rotating body 60. Located in the lower side, the roll rotating unit 50 having a drive motor (m3) and a screw member 52 for moving the roll rotating body 60 in the longitudinal direction; And switches 80, 82, 84, and 86 for selectively operating the respective drive motors m1, m2, m3, and m4. Move, raise and lower the pedestal 40, rotate the roll rotating body 60 forward and backward, and rotate the roll rotating body 60 to rotate the rolling rolls 100a and 100b fitted to the roll rotating body 60. Control panel 90 to be rolled; roll center adjustment and surface inspection apparatus for rolling roll replacement comprising a.