KR20230149039A - Horizontal rotary vertical welding device - Google Patents

Abstract

The present invention is a welding device that stacks and rotates the cylinders that make up a large storage tank and welds the contact area between the upper cylinder and the lower cylinder. It includes a central support having a bearing to rotate and a driving roller in contact with the bottom edge of the circular rotating plate, and a rotation driving unit that rotates the circular rotating plate by rotating the driving roller with the driving force of a motor, wherein the rotating driving unit rotates the circular rotating plate. It provides a horizontal rotating vertical welding device, characterized in that a plurality of devices are installed at regular intervals along the bottom edge of the.

Description

HORIZONTAL ROTARY VERTICAL WELDING DEVICE}

The present invention relates to a horizontally rotating vertical welding device, and more specifically, to a horizontally rotating vertical welding device that can conveniently weld a large storage tank.

Storage tanks used in factories producing various oils and gases are generally large, cylindrical storage tanks. These large storage tanks are quite large, with a diameter of around 14 to 20 m, and the size of each steel plate that makes up the large storage tank is quite large, reaching a height of 3 m. 3 m cylindrical steel plates are stacked one after another, and then the lower and upper steel plates are stacked. Weld this contact part.

Conventionally, in order to produce such large storage tanks, in the case of horizontal welding, steel plates were temporarily attached and then welders welded the connected parts using manual arc welding or semi-automatic (Co2) welding. When welding a large storage tank using a conventional welding method, once the welder welds one part of the large storage tank, he or she must move using a ladder or other safety passage to weld another part, which takes a considerable amount of time to weld. There is a problem.

In addition, when welding the welded area where the steel plates that make up the large storage tank are in contact, the welder must carry a heavy welding torch directly to weld, which reduces work efficiency and results in poor welding effect.

In the case of large storage tanks, the thickness of the steel plate used for welding is quite thick, so welding must be done several times considering the amount of heat input from welding. However, if welding is done manually, there is a problem that welding efficiency is reduced.

Ultimately, an automatic welding device (SAW, Submerged Arc Welding) that can efficiently weld large storage tanks is needed.

Registered Patent No. 10-1545554 Registered Patent No. 10-1663892

The present invention is intended to solve the problems of the prior art described above. The cylinder is placed on a circular rotating plate and slowly rotated, and the welding device disposed outside the cylinder forms a large storage tank in place without the need to move left or right. The purpose of the invention is to provide a horizontal rotating vertical welding device that can achieve uniform welding and shorten welding time by welding the area where the and lower cylinders are in contact.

In order to achieve the above-mentioned object, according to the present invention, the horizontal rotary vertical welding device is a welding device that stacks the cylinders constituting a large storage tank, rotates them, and welds the contact portion between the upper cylinder and the lower cylinder, where the lower part is It is provided with a central support having a bearing so that the circular rotating plate on which the open cylinder is placed and the rotating shaft of the bottom of the circular rotating plate are combined and rotated, and a driving roller in contact with the bottom edge of the circular rotating plate, and the driving roller is rotated by the driving force of the motor. It includes a rotation driving unit that rotates the circular rotating plate, and a plurality of rotation driving units are installed at regular intervals along the bottom edge of the circular rotating plate.

It further includes a circular rail installed along the bottom edge of the circular rotating plate, and the driving roller of the rotation driving unit contacts the circular rail to cause the circular rail to move.

And, it is repeatedly installed between different rotation driving units along the bottom edge of the circular rotating plate, and further includes a rotating support having a supporting roller that supports the circular rail when the circular rail moves.

Here, the rotating support unit includes a bearing support unit that supports the support roller so that it can rotate by coupling bearings on both sides of the support roller, a support unit that supports the bearing support unit, and a height adjustment unit that adjusts the height of the support up and down. Do it as

In addition, a circular fixing plate is installed on the circular rotating plate and is smaller than the diameter of the circular rotating plate and is used to work on the inside of the cylinder while the worker steps on and moves it; A fixed shaft that sequentially passes from the top of the circular fixing plate through the circular rotating plate at the bottom and the central support to secure the circular fixing plate to the central support, and several of them are installed on the circular rotating plate, and the circular fixing plate is fixed while supporting the bottom of the circular fixing plate above. It is characterized in that it further includes a plurality of rotation supports that allow the circular rotating plate below to rotate.

Here, the rotation support has a body that accommodates the ball and a portion of the ball is exposed to the upper part of the body, and the exposed portion of the ball supports the bottom of the circular fixing plate above and is a ball roller that rotates according to the movement of the circular rotating plate below. It is characterized by being.

In addition, the rotation drive unit includes a bearing support part that is coupled with bearings on both sides of the drive roller to support the drive roller so that it can rotate, and a motor that is shaft-coupled with the drive roller to rotate the drive roller. It is characterized by including a stand that supports the bearing support and the motor, and a height adjuster that adjusts the height of the stand up and down.

In addition, a welding device located outside the circular rotating plate and welding the area where the lower cylinder and the upper cylinder come into contact when the circular rotating plate rotates, a welding room in which the worker using the welding device rides, and a welding room at the bottom of the welding room. It is characterized in that it further includes a height adjustment device including a hydraulic cylinder that adjusts the height.

According to the horizontal rotary vertical welding device according to the present invention, the cylinder constituting the large storage tank is placed on a circular rotating plate and rotated at a constant speed, and the worker uses a welding torch in the welding room to weld the upper cylinder and the lower cylinder into contact. Since the part can be welded, there is no need for the worker to move the circumference of the cylinder with a welding device, making the welding work convenient and uniform welding possible.

After stacking the cylinders in order, such as the 1st, 2nd, 3rd, and 4th floors, the part where the 1st floor cylinder and the 2nd floor cylinder are in contact are welded, and the part where the 2nd floor cylinder and the 3rd floor cylinder are in contact are welded. By adjusting the height of the height adjustment device located below the welding room, which is the worker's work space, the welding room can be moved upward, making work convenient and quick, and ensuring worker safety.

1 is a front view of a horizontal rotary vertical welding device according to a preferred embodiment of the present invention;
Figure 2 is a plan view of a horizontal rotary vertical welding device according to a preferred embodiment of the present invention;
Figure 3 is a perspective view of the welding room and the height adjustment device located below it.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms.

The examples herein are provided to make the disclosure of the present invention complete and to fully inform those skilled in the art of the scope of the invention.

And the present invention is only defined by the scope of the claims.

Accordingly, in some embodiments, well-known components, well-known operations and well-known techniques are not specifically described in order to avoid ambiguous interpretation of the present invention.

In addition, the same reference numerals refer to the same components throughout the specification, and the terms used (mentioned) in the specification are for explaining embodiments and are not intended to limit the present invention.

In this specification, the singular also includes the plural unless specifically stated in the phrase, and elements and operations referred to as 'including (or, including)' do not exclude the presence or addition of one or more other elements and operations. .

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used with meanings that can be commonly understood by those skilled in the art to which the present invention pertains.

Additionally, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless they are defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the attached drawings.

Referring to Figures 1 to 3, the horizontal rotary vertical welding device is a welding device used to create a large storage tank by sequentially stacking cylinders made of steel plates and welding the contact areas between the upper cylinder and the lower cylinder. After stacking the cylinders, rotate them several times to weld the contact areas between the first and second floor cylinders, weld the contact areas between the second and third floor cylinders, and weld the contact areas between the third and fourth floor cylinders using several workers. It is a welding device that can be divided into two parts and welded at the same time. Here, the 1st to 4th floors are just an example, and welding at higher heights is also possible.

Referring to Figure 1, the welder on the left is welding the part where the 2nd-layer cylinder and the 3rd-layer cylinder are in contact, and the welder on the right is welding the part where the 3rd-layer cylinder and the 4th-layer cylinder are in contact. Referring to Figure 2, four welding rooms 600 are installed around the cylinder 1. When the circular rotating plate 100 rotates at a constant speed, the cylinder 1 above it rotates. A welding worker rides in each welding room 600 to weld different parts of the rotating cylinder 1, and by rotating it multiple times, welding can be done evenly on the same part, shortening welding time and improving welding quality. . Four welding rooms (600) are installed, but work can also be done by installing two or three.

The horizontal rotating vertical welding device includes a circular rotating plate 100, a central support 200, and a rotating drive unit 300. A plurality of rotating driving units 300 are installed at regular intervals along the bottom edge of the circular rotating plate 100. . In Figure 2, the rotation drive unit 300 is indicated by a square dotted line. Four rotation drives 300 are installed, and the number can be changed. It further includes a circular fixing plate 500, a fixing shaft 510, and a rotation support unit 520.

The circular rotating plate 100 rotates at a constant speed and places a cylinder 1 with an open bottom. The diameter of the cylinder (1) is about 14 m, and the diameter of the circular rotating plate (100) is slightly larger than that of the cylinder (1).

The central support 200 is provided with a bearing 210 so that the bottom rotating shaft 110 of the circular rotating plate 100 is coupled and rotated.

The rotation drive unit 300 is provided with a driving roller 310 that contacts the bottom edge of the circular rotating plate 100, and rotates the driving roller 310 with the driving force of the motor 330 to rotate the circular rotating plate 100. . A plurality of rotation drives 300 are installed at regular intervals along the bottom edge of the circular rotation plate 100. In order to rotate the large cylinder 1 without difficulty, it is preferable to install three or more rotation drives 300. , Figure 2 shows an example in which four rotation driving units 300 are installed under the circular rotating plate 100 while maintaining a certain distance from each other.

The circular rail 120 protrudes along the bottom edge of the circular rotating plate 100, is installed in a circular shape along the bottom circumference of the circular rotating plate 100, and contacts the driving roller 310 below it. The driving roller 310 of the rotation drive unit 300 contacts the circular rail 120 and causes the circular rail 120 to move. When the motor 330 is driven, the driving roller 310 coupled to the motor 330 rotates, and the rotational force of the driving roller 310 is transmitted to the circular rail 120, causing the circular rail 120 to move.

The rotation support unit 400 is repeatedly installed between different rotation driving units 300 along the bottom edge of the circular rotation plate 100, and includes a support roller ( 410). Since the rotation support unit 400 is not driven using a motor, there is no motor. Except for the motor, the remaining configuration is the same as the rotation drive unit 300. When the rotation drive unit 300 rotates the circular rotating plate 100, the rotating support unit 400 serves to support the circular rail 120 of the circular rotating plate 100. In Figure 2, the circular dotted line represents the rotation support unit 400. Four rotation support units 400 are installed at regular intervals, and the rotation drive unit 300 and the rotation support unit 400 are installed alternately.

The rotation drive unit 300 includes a drive roller 310, a bearing support unit 320, a motor 330, a stand 340, and a height adjustment unit.

The driving roller 310 rotates so that the circular rail 120 moves.

The bearing support portion 320 is bearing-coupled with both axes of the driving roller 310 and supports both axes of the driving roller 310 so that they can rotate.

The motor 330 is axially coupled to the driving roller 310 and rotates the driving roller 310.

The pedestal 340 serves as a pedestal on which the bearing support 320 and the motor 330 are installed. The height adjustment unit adjusts the height of the stand 340 up and down. By adjusting the height of the pedestal 340, the height of the driving roller 310 is adjusted and the height of the circular rail 120 and the circular rotating plate 100 above it are adjusted. Since the heavy cylinder (1) is placed on top of the circular rotating plate (100), it is very important to maintain good balance so that it does not fall over. The height of each rotation drive unit 300 is adjusted to ensure that the circular rotation plate 100 is maintained horizontally.

The height adjustment unit includes four bolts 350 installed vertically below the pedestal 340, a height adjustment table 370 at the bottom where each bolt 350 penetrates, and each bolt 350 is connected to the height adjustment table 370. It consists of screws 361 and 362 that secure it firmly.

The bolt 350 is fixed to the upper surface of the height adjuster 370 using a first screw 361, and the bolt 350 is fixed to the bottom of the height adjuster 370 using a second screw 362. After adjusting the height of the bolt 350 coupled to the height adjuster 370 by loosening the screws 361 and 362, secure the bolt 350 using the first screw 361 and the second screw 362. .

The rotation support unit 400 includes a support roller 410, a bearing support part 420, a stand 440, and a height adjustment part. There is no motor, and the remaining configuration is the same as the rotation drive unit 300.

When the circular rail 120 moves, the support roller 410 rotates and supports the circular rail 120 so that it can move well.

The bearing support portion 420 combines bearings with both axes of the support roller 410 to form a support roller.

Both axes of (410) are supported so that they can rotate.

The pedestal 440 serves as a pedestal on which the bearing support 420 is installed. The height adjustment unit adjusts the height of the stand 440 up and down. By adjusting the height of the support 440, the height of the support roller 410 is adjusted and the height of the circular rail 120 and the circular rotating plate 100 above it are adjusted. Since the heavy cylinder (1) is placed on top of the circular rotating plate (100), it is very important to maintain good balance so that it does not fall over. The height of each rotation support unit 400 is adjusted to ensure that the circular rotation plate 100 is maintained horizontally.

Referring to Figures 1 and 2, four rotation driving units 300 and four rotation support units 400 are installed. The height of each rotation drive unit 300 and the rotation support unit 400 is independently adjusted so that the circular rotation plate 100 rotates while maintaining horizontality.

The height adjustment unit includes four bolts 450 installed vertically below the pedestal 440, a height adjuster 470 at the bottom where each bolt 450 penetrates, and each bolt 450 is connected to the height adjuster 470. It consists of screws 461 and 462 that securely fix it.

The bolt 450 is fixed to the upper surface of the height adjuster 470 using a first screw 461, and the bolt 450 is fixed to the bottom of the height adjuster 470 using a second screw 462. After loosening the screws 461 and 462 to adjust the height of the bolt 450 coupled to the height adjuster 470, secure the bolt 450 using the first screw 461 and the second screw 462. .

The space where the central support 200, rotation drive unit 300, and rotation support unit 400 are installed is constructed using concrete to withstand heavy loads, and is installed in a space dug downward. The central support 200, the rotation drive unit 300, and the rotation support unit 400 are each fixedly installed on the concrete installation stand (2). The central support 200, the rotation drive unit 300, and the rotation support unit 400 are installed in a space dug below the ground surface so that the height of the circular rotating plate 100 on which the cylinder 1 is placed corresponds to the height of the ground surface.

The circular fixing plate 500 is installed on the circular rotating plate 100 and is smaller than the diameter of the circular rotating plate 100, and is used to work the inside of the cylinder 1 while the worker steps on it and moves.

The fixing shaft 510 sequentially penetrates the circular rotating plate 100 and the central support 200 at the bottom from the upper part of the circular fixing plate 500 to fix the circular fixing plate 500 to the central support 200. The bolt 511 is coupled through the head of the fixing shaft 510 to fix the fixing shaft 510 and the circular fixing plate 500 to each other.

A bearing 130 is mounted on the fixed shaft 510, and the circular rotating plate 100 rotates around the fixed shaft 510 using the bearing 130.

A plurality of rotation supports 520 are fixedly installed on the circular rotating plate 100, and while supporting the bottom of the circular fixing plate 500 above, the circular rotating plate 100 below rotates while the circular fixing plate 500 is fixed. It is possible and consists of multiple pieces. It is preferable that several rotation supports 520 are installed on the circular rotating plate 100 so that they can rotate while stably supporting the bottom of the circular fixing plate 500.

The rotation support portion 520 includes a body 521 that accommodates the ball 522, and a portion of the ball 522 is exposed to the upper part of the body 521, and the exposed portion of the ball 522 is a circular fixing plate 500 above. It consists of a ball roller that supports the bottom of the and rotates according to the movement of the circular rotating plate 100 below. That is, when the circular rotating plate 100 rotates, the rotating support 520 fixed on the circular rotating plate 100 also moves as one unit, and the circular fixed plate 500 in contact with the rotating support 520 does not rotate but is fixed. Therefore, the circular rotating plate 100 below is composed of a ball roller so that it can move without difficulty, and the ball 522 exposed at the top of the body 521 rotates while contacting the bottom of the circular fixing plate 500.

The welding room (600) is located outside the circular rotating plate (100) and includes a welding device and a welding device that weld the area where the lower cylinder (1) and the upper cylinder (1) come into contact when the circular rotating plate (100) rotates. This is the space where the workers using the board board.

The welding device may include a SAW (Submerged Arc Welding) or MIG (Metal Inert Gas Welding) type welding device. Since SAW method and MIG method welding are self-evident to those skilled in the art, detailed explanation will be omitted.

The welding device installed in the welding room 600 includes a welding torch 610, a flux hose 620 that supplies flux powder to the welding area, a flux tank (not shown) that supplies flux powder, and a flux hose (620) from the flux tank. It includes a flux belt 630 that supports and rotates the flux powder supplied through ) from the bottom, a flux recovery pipe 640 and a flux recovery container (not shown) that recover the flux powder that has fallen on the flux belt 630.

The height adjustment device adjusts the height of the welding room 600 at the lower part of the welding room 600 using hydraulic cylinders 710, 720, 730, and 740. The height adjustment device is composed of multiple layers, and each layer includes plates (711, 721, 731, 741, 751) and hydraulic cylinders (710, 720, 730, 740). Four hydraulic cylinders (710, 720, 730, 740) are installed on each plate, and the height of each floor can be individually adjusted using the hydraulic cylinders.

In Figure 1, the worker on the left adjusts the height of the hydraulic cylinder and performs welding work at a height corresponding to the contact point between the second-floor cylinder and the third-floor cylinder, and the worker on the right adjusts the height of the hydraulic cylinder to weld the third-floor cylinder and the third-floor cylinder. It shows an example of welding work being done at the height corresponding to the contact area of the 4th floor cylinder.

According to the present invention, when cylinders are stacked in several layers on a circular rotating plate and the circular rotating plate is rotated, the cylinder rotates at a constant speed. Workers in a welding room equipped with a height adjustment device weld the welding area on the spot without having to move the welding device. Rather than welding by moving the welding torch, the cylinder rotates and the welding torch welds in place. This improves welding accuracy, allows welding large cylinders in a short time, and ensures worker safety.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone skilled in the art without departing from the gist of the invention as claimed in the claims. Of course, it is obvious that such changes fall within the scope of the claims.

1: Cylinder 2: Concrete
10: Large storage tank 100: Circular rotating plate
110: rotation axis 120: circular rail
200: central support 130, 210: bearing
300: Rotation drive unit 310: Drive roller
320, 420: bearing support 330: motor
340, 440: Pedestal 350, 450: Bolt
361, 461: first screw 362, 462: second screw
370, 470: Height adjuster 400: Rotating support unit
410: Support roller 500: Circular fixing plate
510: fixed shaft 511: bolt
520: rotation support 521: body
522: Ball 600: Welding room
610: Welding torch 620: Flux hose
630: flux belt 640: flux recovery pipe
710, 720, 730, 740: Hydraulic cylinder
711, 721, 731, 741, 751: Plate

Claims (8)

It is a welding device that stacks and rotates the cylinders that make up a large storage tank and welds the contact area between the upper and lower cylinders.
A circular rotating plate on which a cylinder with an open bottom is placed;
A central support having a bearing so that the rotation axis of the bottom of the circular rotating plate is coupled and rotated; and
It includes a rotation drive unit that has a driving roller in contact with the bottom edge of the circular rotating plate, and rotates the circular rotating plate by rotating the driving roller with the driving force of the motor,
A horizontal rotary vertical welding device, characterized in that a plurality of rotation drives are installed at regular intervals along the bottom edge of the circular rotating plate.
According to paragraph 1,
It further includes a circular rail installed along the bottom edge of the circular rotating plate,
A horizontal rotary vertical welding device, characterized in that the driving roller of the rotation drive unit contacts the circular rail and causes the circular rail to move.
According to paragraph 2,
Horizontal rotary vertical welding, which is repeatedly installed between different rotation drives along the bottom edge of the circular rotating plate, and includes a rotating support roller that supports the circular rail when the circular rail moves. Device.
According to paragraph 3,
The rotating support part,
Support roller;
A bearing support part that combines bearings on both sides of the support roller to support the support roller so that it can rotate;
A stand supporting the bearing support; and
A horizontal rotary vertical welding device comprising a height adjuster that adjusts the height of the stand up and down.
According to paragraph 1,
A circular fixing plate installed on the circular rotating plate smaller than the diameter of the circular rotating plate and used to work on the inside of the cylinder while an operator steps on and moves it;
A fixing shaft that sequentially passes from the upper part of the circular fixing plate through the lower circular rotating plate and the central support to secure the circular fixing plate to the central support; and
A plurality of rotation supports are installed on the circular rotating plate, support the bottom of the circular fixed plate above, and allow the circular rotating plate below to rotate while the circular fixed plate is fixed. A horizontal rotating vertical further comprising a. Welding equipment.
According to clause 5,
The rotation support unit is a ball roller that rotates according to the movement of the circular rotating plate below while supporting the bottom of the circular fixing plate above and the body accommodating the ball and a portion of the ball exposed to the upper part of the body. A horizontal rotary vertical welding device characterized by:
According to paragraph 1,
The rotation drive unit,
driving roller;
A bearing support unit that combines bearings on both sides of the drive roller to support the drive roller so that it can rotate;
A motor that combines with the drive roller and the shaft to rotate the drive roller;
A stand that supports the bearing support and the motor; and
A horizontal rotary vertical welding device comprising a height adjuster that adjusts the height of the stand up and down.
According to paragraph 1,
a welding room located outside the circular rotating plate and occupied by a welding device that welds the contact area between the lower cylinder and the upper cylinder when the circular rotating plate rotates and a worker using the welding device; and
A horizontal rotary vertical welding device further comprising a height adjustment device having a hydraulic cylinder that adjusts the height of the welding room at a lower part of the welding room.