KR20030058699A - Test jig for automatic vertical welding - Google Patents

Abstract

PURPOSE: A vertical automatic welding test device is provided to prevent worker from being damaged while carrying out a previous work before a main welding process and a checking work after the main welding process by automatically carrying out the previous work and the checking work. CONSTITUTION: A vertical automatic welding test device includes a welding plate section(10), a lifting section(20), a rotary welding section(30), and a body section. The welding plate section(10) has a protruding bracket(12) protruded from a front surface of a welding plate(11), a reinforcement bracket(13) for reinforcing the protruding bracket(12), and a fixing clamp(14) positioned at a middle portion of the protruding bracket(12). The lifting section(20) has a driving motor(21) controlled by a control switch(23), a spiral shaft(22) inserted into an upper bearing(25), and a pipe rail(24). The rotary welding section(30) has a rotating column(33), a rotary welding table(31), and a stopper(35). The body section(40) has four supporting columns(41), an upper plate(45) and a stopper(44).

Description

TEST JIG FOR AUTOMATIC VERTICAL WELDING

The present invention relates to a vertical automatic welding test apparatus, in particular EGW (electrogas welding method) and ESW (electroslag welding method) of the vertical automatic welding method carried out in the vertical position is a heavy weight of 30 ~ 70 tons and large plate welding It is a proprietary technique used in the manufacture of large structures such as shipbuilding works. Therefore, in order to secure the pre-weldability and precision, the welding test is performed in the state of the specimen in advance. At this time, the additional additional work is performed before and after welding, and the torch height adjustment or the backing backing agent is attached before welding, and after welding, the specimen or welding device is removed again and the bead state of the back side (back side) must be checked. It relates to a vertical automatic welding test apparatus that can safely and quickly / accurately handle such dangerous and difficult additional processes alone.

In general, when conducting vertical automatic welding test, two or more workers use a crane to set and control the specimen on the jig, and after vertical automatic welding, remove the hot specimen again to check the beads on the back side. Because of the risk of burns remaining, the jig for fixing the specimen was so high that there was a risk of falling during installation, and the tester was disturbed by other testers performing the same plate due to the shock and vibration caused by the operation of the large (weight) specimen. When welding was interrupted during the test, there was a problem that all of the specimens had to be set again from the beginning, such as specimen removal, installation, specimen vertical adjustment, and inter-pole distance adjustment.

Therefore, the present invention has been proposed to solve the conventional problems as described above, the object of the present invention is a device for welding test for heavy plate only, so the test piece is large (weight) and always have to be operated by crane or two or more people In addition, since most welding specimens are large (weight) and welding condition is an important factor, additional work such as pre-welding and post-welding checks must be carried out, which may cause safety accidents such as burn accidents and stenosis. It is very high to provide a vertical automatic welding test apparatus that can prevent this.

In order to achieve the above object, the vertical automatic welding test apparatus according to an embodiment of the present invention is a vertical welding device in which a welding plate portion, a lifting device portion, a rotation welding portion and the body portion, the front, top, bottom, left and right of the welding plate A welding plate portion provided with a protrusion racket protruding at the same height, a reinforcing portion racket for reinforcing the protrusion racket, and a clamping clamp for an outer intermediate position of the sub-racket; A drive motor of a lower center controlled by a control switch installed at an upper portion of the body portion, a spiral shaft penetrating a lower center of the welding plate while transmitting a driving force of the driving motor, and inserted into an upper bearing; A lifting device unit having a pipe rail vertically penetrating the welding plate on both sides; Rotating support column is installed on one side of the body portion and formed with a plurality of stepped jaw, a rotary welding table attached with a plurality of hinges so as to rotate in contact with the upper surface of the step, and a rotary welder provided with a stopper for fixing the rotation of the hinge, respectively Wow; Four support columns for supporting the load at each corner, an upper plate which is moved forward and backward by the guide rails at the top, an omnidirectional turning caster roller respectively installed at the front and rear ends of the lower beam protruding from the bottom, and a stopper outside thereof. It is characterized by the technical configuration that comprises a body portion.

1 is a perspective view of an apparatus of the present invention,

2 is a working state diagram by the apparatus of the present invention.

Explanation of symbols on the main parts of the drawings

10: welding plate part 11: welding plate

12: protruding bracket 14: reinforcing bracket

14: fixed clamp 20: lifting device

21: drive motor 22: spiral shaft 23: control switch

24: pipe rail 25: bearing

30: (rotary) welding part 31: rotary welding table

32: hinge 33: rotation support column

34: step 35: (rotation prevention) stopper

35-1: wing 35-2: stop bolt

40: body portion 41: support column

42: lower beam 43: caster roller

44: (roller) stopper 44-1: stop pin

45: upper plate 46: guide rail

Hereinafter, an embodiment according to the present invention configured as described above, the technical spirit of the vertical automatic welding test apparatus with reference to the drawings in detail as follows.

1 is a perspective view of the apparatus of the present invention, Figure 2 is a working state diagram by the apparatus of the present invention.

As shown in FIG. 1 and FIG. 2, the apparatus for vertical automatic welding test is largely divided into a welding plate part 10, a lifting device part 20, a rotation welding part 30, and a body part 40.

First, the welding plate portion 10 serving as a work table for the automatic welding test is configured to be elevated by the elevating device portion 20, the temporary surface of the temporary welding plate (Strong Back) temporarily welded to the back of the test piece Reinforcing parts for reinforcing the protruding part racket are installed on the front, top, bottom, left, and right sides of the front surface of the welding plate 11, and the upper pair of the protruding part rackets must support a lot of loads, so that the protruding part rackets 12 protruding at the same height may be installed to hang vertically. The racket (13) is installed, and the projecting rackets on both sides of the lower part support the test piece vertically and fixedly. In addition, the clamping clamp 14 having a detachable function is provided at the outer middle position of the sub-racket 12 to prevent fine adjustment and fall of the perpendicularity (vertical / horizontal) of the specimen and to crimp the test specimen and 12).

In addition, the elevating device unit 20 is a control switch 23 is installed on the upper side of the body portion 40 in order to raise and lower the welding plate 11 to control the drive motor 21 of the lower center and , The drive motor is to adjust the height and pitch of the test piece is coupled to the speed reduction gear unit. Then, the spiral shaft 22 is inserted into the upper bearing 25 to transmit the driving force of the driving motor while spirally penetrating the lower center of the welding plate 11 to be coupled to the spiral inside the welding plate and weld plate ( 11) is raised and lowered, the pipe rails 24 which vertically penetrate the welding plate on both sides are provided to serve as a guide.

In addition, the rotary welding part 30 is installed on one side of the body portion 40 and corresponds to the support plate of the EGW (electro gas welding method) welding machine which rotates from 0 to 90 °. A plurality of arms are extended and protruded, and a hinge 32 is provided to be connected to the rotary support 33, and the support 33 has a step 34 for supporting a plurality of hinges 32 on its upper surface. It is formed to contact, the hinge is provided with a stopper 35 for fixing the rotation respectively. The stopper 35 has a pair of protruding vanes 35-1 protruding at right angles to the outer circumferential surface of each hinge 32 such that the welding plate 11 and the rotary welding table 31 are in a straight line. The bolt 35-2 penetrates the hinge 32 and the support column 33 to stop.

In addition, the body portion 40 has four angle support pillars 41 supporting the load at each corner, and mainly supports the entire load, and the upper portion 45 is provided with the upper and lower portions advancing back and forth by the guide rail 46. An ESW (electroslag welding) welding machine is installed thereon, and forward and backward caster rollers 43 are respectively installed at front and rear ends of the lower beam 42 protruding from the bottom, and the outer side of the caster roller 43 is provided to prevent movement and grounding of the body part. A stopper 44 is provided. The stopper 44 is settled by a stop pin 44-1 provided at the rear.

Referring to the operation of the vertical automatic welding test apparatus according to the present invention configured as described above in detail.

First, using the automatic lifting device (motor, etc.), the welding plate for vertical welding test in which the test piece is fixed is lowered, and the lower part of the temporary welding piece temporarily welded to the rear by raising the test piece equipped with the backing agent or copper filler After the installation is placed on the upper side of the fixed bracket, the automatic lifting device lifts the specimen slightly up from the ground, compresses the specimen with a clamping clamp and fixes the welding area vertically, and automatically lifts it up and down. Use the device to raise to the proper position. Then, turn the rotary welding table on the side where the EGW (electro-gas welding) welding machine is attached by rotating it to the position where it can be welded, and then fix it with a stopper device. After the welding is completed, remove the backing agent or copper alloy by rotating the rotating welding table equipped with the ESW welding machine sideways to prevent the specimen from being removed (after the ESW welding, the top plate is slid backward to prevent the specimen from being removed). After checking the bead condition, use the automatic lifting device to lower it, and then loosen the clamping device and remove the specimen. As such, the present invention relates to a vertical automatic welding test apparatus that can safely and quickly / accurately handle such a dangerous and difficult additional process alone.

Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As seen above, the vertical automatic welding test apparatus according to the present invention is capable of performing the overall work alone, the burn accident is prevented because the body can be spaced away by rotating or sliding the body attached to the specimen after the welding test. In addition, the specimen can be easily installed in a low position, and everything can be easily set such as carriage removal, specimen vertical adjustment, and clearance distance adjustment, as well as eliminating vibration and noise pollution. Therefore, very few operators can quickly and precisely check the bead state of the back side and the welding state of the front side very easily, which not only improves work efficiency but also solves the problem of safety accidents and contributes greatly to productivity. In addition, the risk of vibrations and falls in the workplace can be greatly reduced, thus eliminating obstacles in the test environment of other workers.

Claims (3)

In the vertical welding device combined with the welding plate portion 10, the elevating device portion 20, the rotary welding portion 30 and the body portion 40, For compression crimping on the front, top, bottom, left, and right sides of the welding plate 11, a protrusion racket 12 protruding at the same height, a reinforcement racket 13 for reinforcing the protrusion racket, and an outer middle position of the sub-racket 12; A welding plate part 10 provided with a fixed clamp 14; The driving motor 21 of the lower center controlled by the control switch 23 installed on the upper side of the body portion 40, and transmits the driving force of the driving motor while spirally penetrating the lower center of the welding plate (11) An elevating device unit 20 having a spiral shaft 22 inserted into an upper bearing 25 and a pipe rail 24 vertically penetrating the welding plate 11 on both sides of the spiral shaft; Rotating support base 31 is installed on one side of the body portion 40 and a plurality of stepped 34 is formed, and a rotating welding table 31 is attached to a plurality of hinges 32 to be rotated in contact with the upper surface of the stepped And, the welding weld 30 is provided with a stopper 35 for fixing the rotation of the hinge respectively; Four support pillars 41 for supporting the load at each corner, the upper plate 45 forward and backward by the guide rail 46 from the upper, and the front and rear ends of the lower beam 42 protruding from the lower, respectively Apparatus for vertical automatic welding test comprising a body portion (40) having a caster roller (43) for directional deflection and a stopper (44) outside thereof. According to claim 1, The stopper 35 is a pair of protruding vanes 35-1 protrude in a right angle direction on the outer peripheral surface of the hinge 32 so that the welding plate 11 and the welding table 31 in a straight line. And a stop bolt (35-2) penetrates through the hinge (41) and the support (41) to stop the vertical automatic welding test. 2. Apparatus according to claim 1, characterized in that the stopper (44) is seated by a stop pin (44-1).