Repair welding table for spiral steel pipe

Abstract

The utility model relates to the technical field of repair welding tables, and discloses a spiral steel pipe repair welding table which comprises a repair welding table body, a first baffle and a second baffle are fixedly installed above the repair welding table body, supporting legs are further fixedly installed on the periphery above the repair welding table body, a top plate is fixedly installed above the four supporting legs, and an electric sliding rail is arranged at the bottom of the top plate. Hydraulic cylinders are arranged at the bottoms of the electric sliding rails, and welding heads are arranged at the bottoms of the hydraulic cylinders. According to the spiral steel pipe welding device, the first clamping plate can be driven by the transmission mechanism to push the spiral steel pipe to move, so that the spiral steel pipe and the second clamping plate can be removed, the spiral steel pipe can be clamped and limited, and when welding is needed, a worker rotates a rotary button to drive a rotary rod to rotate, so that the spiral steel pipe is clamped and limited. And a rotating rod can drive a second clamping plate to rotate, so that the spiral steel pipe can rotate, and a worker can conveniently observe where the spiral steel pipe needs to be subjected to repair welding during repair welding.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of repair welding platform, concretely relates to spiral steel pipe repair welding platform. BACKGROUND

[0002] Spiral steel pipe is with strip steel coil plate as raw material, adopts bending forming and submerged arc welding, and weld is in the form of spiral line. In spiral steel pipe production, the length of steel pipe is mostly controlled at 8-12.5 m, and weld defects can be produced on weld at any position of steel pipe, so the repair welding position is not fixed. At present, the weld defects are repaired by using stick arc welding or gas shielded welding, and a large amount of harmful welding fume is produced in the process of repairing weld defects, so it is necessary to recycle and treat the welding fume.

[0003] However, the spiral steel pipe needs to be positioned when repairing, and the position needing repair welding needs to be ensured to be always above during positioning, but when the positions needing repair welding of the spiral steel pipe are more and different, the clamping mechanism needs to be disassembled back and forth, so that the position needing welding of the spiral steel pipe is replaced, and then the spiral steel pipe is clamped, so that the repair welding is more troublesome.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] The spiral steel pipe repair welding platform comprises a repair welding platform body, a first baffle and a second baffle are fixedly installed above the repair welding platform body, support legs are also fixedly installed around the upper portion of the repair welding platform body, a top plate is fixedly installed above the four support legs, an electric sliding rail is arranged at the bottom of the top plate, a hydraulic cylinder is arranged at the bottom of the electric sliding rail, a welding head is arranged at the bottom of the hydraulic cylinder, first and second clamping plates and an arc-shaped placing plate are also arranged on the repair welding platform body, a transmission mechanism is arranged on the first clamping plate and used for driving the first clamping plate to move, a rotating mechanism is arranged on the second clamping plate and used for driving the second clamping plate to rotate, and the arc-shaped placing plate is used for placing the spiral steel pipe.

[0007] As a preferred embodiment of the utility model, the transmission mechanism comprises a servo motor, the servo motor is arranged on the first baffle, a threaded rod is fixedly installed at the output end of the servo motor, the threaded rod is movably penetrated through the first baffle, a threaded sleeve is engagedly installed on the threaded rod, and two mutually symmetrical connecting rods are fixedly installed on the threaded sleeve.

[0008] As a preferred embodiment of the utility model, the threaded rod is fixedly connected with an extension rod at one end away from the servo motor, the extension rod is rotatably connected with a first clamping plate at one end away from the threaded rod, a first circular slide rail is arranged on the first clamping plate, and a connecting rod is slidably arranged on the first circular slide rail.

[0009] As a preferred embodiment of the utility model, a guide notch is formed in the upper portion of the repair welding platform body, a moving rod is arranged in the inner cavity of the guide notch, one end of the moving rod is fixedly connected to the threaded sleeve, and the other end of the moving rod is movably connected with a movable rod.

[0010] As a preferred embodiment of the utility model, a concave block is fixedly installed at the bottom of the arc-shaped placing plate, the concave block movably penetrates the repair welding platform body, and a movable rod is movably connected to the inner cavity of the repair welding platform body at one side wall of the concave block.

[0011] As a preferred embodiment of the utility model, the rotating mechanism comprises a rotating knob, the rotating knob is rotatably connected to the second baffle, a rotating rod is fixedly installed on the rotating knob, the rotating rod movably penetrates the second baffle, the other end of the rotating rod is fixedly connected with a second clamping plate 20, and a second circular slide rail is arranged on the second baffle.

[0012] As a preferred embodiment of the utility model, two mutually symmetrical connecting rods are fixedly installed on the second baffle, and the other ends of the two connecting rods are slidably connected to the second circular slide rail.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses, through transmission mechanism can drive first clamping plate push away spiral steel pipe and move, therefore can let spiral steel pipe and second clamping plate remove, thereby can clamp and limit spiral steel pipe, when need to carry out welding, through staff rotating knob drives rotating rod to rotate, let rotating rod can drive second clamping plate rotates, therefore can let spiral steel pipe rotate, make when carrying out repair welding, it is convenient for staff to observe spiral steel pipe where needs to carry out repair welding.

[0015] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] In the drawings:

[0017] Fig. 1 It is the stereogram structure schematic drawing of spiral steel pipe repair welding platform;

[0018] Fig. 2 It is the bottom structure schematic drawing of spiral steel pipe repair welding platform;

[0019] Fig. 3 It is the butt joint platform body of spiral steel pipe butt joint platform, and it is a top view structure schematic diagram.

[0020] Fig. 4 It is the butt joint platform body of spiral steel pipe butt joint platform, and it is a top view structure schematic diagram.

[0021] In the figure: 1, butt joint platform body; 2, support leg; 3, top plate; 4, electric sliding rail; 5, hydraulic cylinder; 6, welding head; 7, first baffle; 8, servo motor; 9, threaded rod; 10, threaded sleeve; 11, connecting rod; 12, telescopic rod; 13, first clamping plate; 14, guide notch; 15, moving rod; 16, arc-shaped placing plate; 17, concave block; 18, second baffle; 19, rotating knob; 20, second clamping plate; 21, connecting rod; 22, movable rod; 23, rotating rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0023] As Figs. 1 to 4 shown, the spiral steel pipe butt joint platform, including butt joint platform body 1, butt joint platform body 1 top fixed installation has first baffle 7 and second baffle 18, butt joint platform body 1 top four around still fixed installation has support leg 2, four support legs 2 top fixed installation has top plate 3, top plate 3 bottom is provided with electric sliding rail 4, electric sliding rail 4 bottom is provided with hydraulic cylinder 5, hydraulic cylinder 5 bottom is provided with welding head 6, butt joint platform body 1 still is provided with first clamping plate 13 and second clamping plate 20 and arc-shaped placing plate 16, first clamping plate 13 is provided with transmission mechanism, transmission mechanism is used to drive first clamping plate 13 to move, second clamping plate 20 is provided with rotating mechanism, rotating mechanism is used to drive second clamping plate 20 to rotate, arc-shaped placing plate 16 is used to place spiral steel pipe. Through transmission mechanism can drive first clamping plate 13 to push spiral steel pipe and move, therefore can let spiral steel pipe and second clamping plate 20 remove, thereby can clamp and limit spiral steel pipe, when needing to weld, through staff rotating rotating knob 19 drive rotating rod 23 to rotate, let rotating rod 23 can drive second clamping plate 20 to rotate, therefore can let spiral steel pipe rotate, make when carrying out butt joint, it is convenient for staff to observe spiral steel pipe where needs to carry out butt joint.

[0024] In the specific embodiment, the transmission mechanism comprises a servo motor 8, the servo motor 8 is arranged on the first baffle 7, a threaded rod 9 is fixedly installed at the output end of the servo motor 8, the threaded rod 9 movably penetrates through the first baffle 7, a threaded sleeve 10 is engagedly installed on the threaded rod 9, and two symmetrical connecting rods 11 are fixedly installed on the threaded sleeve 10. In the arrangement, the installation position and components of the transmission mechanism are determined.

[0025] Further, the threaded rod 9 is fixedly connected with an extension rod 12 at the end away from the servo motor 8, the extension rod 12 is rotatably connected with a first clamping plate 13 at the end away from the threaded rod 9, the first clamping plate 13 is provided with a first circular slide rail, and the connecting rod 11 is slidably arranged on the first circular slide rail. In the arrangement, the first clamping plate 13 can be horizontally moved and rotated.

[0026] Further, a guide notch 14 is formed above the repair welding table body 1, a moving rod 15 is arranged in the inner cavity of the guide notch 14, one end of the moving rod 15 is fixedly connected to the threaded sleeve 10, and the other end of the moving rod 15 is movably connected with a movable rod 22. In the arrangement, the threaded sleeve 10 can be moved in the horizontal direction.

[0027] Further, a concave block 17 is fixedly installed at the bottom of an arc-shaped placement plate 16, the concave block 17 movably penetrates through the repair welding table body 1, and the movable rod 22 is movably connected to the inner cavity of the repair welding table body 1 at one side wall of the concave block 17. In the arrangement, when the moving rod 15 is horizontally moved, the concave block 17 will be driven by the movable rod 22 to push the arc-shaped placement plate 16 to vertically move upward, so that the initial position of the arc-shaped placement plate 16 is close to the repair welding head when the repair welding is performed.

[0028] Further, the rotating mechanism comprises a rotating knob 19, the rotating knob 19 is rotatably connected to the second baffle 18, a rotating rod 23 is fixedly installed on the rotating knob 19, the rotating rod 23 movably penetrates through the second baffle 18, the other end of the rotating rod 23 is fixedly connected with a second clamping plate 20, and the second baffle 18 is provided with a second circular slide rail. In the arrangement, the installation position and components of the rotating mechanism are determined.

[0029] Further, two symmetrical link rods 21 are fixedly installed on the second baffle 18, and the other ends of the two link rods 21 are slidably connected to the second circular slide rail. In the arrangement, the second baffle 18 can be rotated.

[0030] The implementation principle of the spiral steel pipe repair welding table of the embodiment is as follows:

[0031] Firstly, the staff places the spiral steel pipe on the arc-shaped placing plate 16 arranged on the repair welding table body 1. When the placing is completed, the staff starts the servo motor 8. When the servo motor 8 operates, the threaded rod 9 can be driven to rotate. When the threaded rod 9 rotates, the threaded sleeve 10 can be horizontally moved under the assistance of the guide slot 14 and the moving rod 15. When the threaded sleeve 10 horizontally moves, the first clamping plate 13 can be horizontally moved, so that the placed spiral steel pipe can be moved by the first clamping plate 13 to make the spiral steel pipe contact the second clamping plate 20. At this time, the spiral steel pipe can be positioned. When the moving rod 15 horizontally moves, the concave block 17 can be driven by the movable rod 22 to push the arc-shaped placing plate 16 to vertically move upward, so that the spiral steel pipe is close to the initial position of the repair welding head when the repair welding is performed. When the spiral steel pipe needs to be repaired, the staff rotates the rotary knob 19. The rotary knob 19 can drive the second clamping plate 20 to rotate through the rotating rod 23. When the second clamping plate 20 rotates, the spiral steel pipe can be rotated, so that the position of the spiral steel pipe needing repair can be observed.

Claims

1. A helical steel pipe repair station comprising a repair station body (1), characterized in that, The first baffle (7) and the second baffle (18) are fixedly installed above the repair welding table body (1), support legs (2) are also fixedly installed around the upper portion of the repair welding table body (1), the top plate (3) is fixedly installed on the upper portion of the four support legs (2), the electric sliding rail (4) is arranged on the bottom of the top plate (3), the hydraulic cylinder (5) is arranged on the bottom of the electric sliding rail (4), the welding head (6) is arranged on the bottom of the hydraulic cylinder (5), the first clamping plate (13) and the second clamping plate (20) and the arc-shaped placing plate (16) are further arranged on the repair welding table body (1), the transmission mechanism is arranged on the first clamping plate (13), the transmission mechanism is used for driving the first clamping plate (13) to move, the rotating mechanism is arranged on the second clamping plate (20), the rotating mechanism is used for driving the second clamping plate (20) to rotate, and the arc-shaped placing plate (16) is used for placing the spiral steel pipe.

2. The helical steel pipe repair station of claim 1, wherein, The transmission mechanism comprises a servo motor (8), the servo motor (8) is arranged on the first baffle (7), the threaded rod (9) is fixedly installed at the output end of the servo motor (8), the threaded rod (9) is movably penetrated through the first baffle (7), the threaded sleeve (10) is engagedly installed on the threaded rod (9), and two mutually symmetrical connecting rods (11) are fixedly installed on the threaded sleeve (10).

3. The helical steel pipe repair station of claim 2, wherein, The telescopic rod (12) is fixedly connected to the end, away from the servo motor (8), of the threaded rod (9), the first clamping plate (13) is rotatably connected to the end, away from the threaded rod (9), of the telescopic rod (12), the first circular sliding rail is arranged on the first clamping plate (13), and the connecting rod (11) is slidably arranged on the first circular sliding rail.

4. The helical steel pipe repair station of claim 1, wherein, The guide notch (14) is arranged on the upper portion of the repair welding table body (1), the moving rod (15) is arranged in the inner cavity of the guide notch (14), one end of the moving rod (15) is fixedly connected to the threaded sleeve (10), and the other end of the moving rod (15) movably connects the movable rod (22).

5. The helical steel pipe repair station of claim 1, wherein, The concave block (17) is fixedly installed on the bottom of the arc-shaped placing plate (16), the concave block (17) is movably penetrated through the repair welding table body (1), and the movable rod (22) is movably connected to the inner cavity of the repair welding table body (1) on one side wall of the concave block (17).

6. The helical steel pipe repair station of claim 1, wherein, The rotating knob (19) is rotatably connected to the second baffle (18), the rotating rod (23) is fixedly installed on the rotating knob (19), the rotating rod (23) is movably penetrated through the second baffle (18), the second clamping plate (20) is fixedly connected to the other end of the rotating rod (23), and the second circular sliding rail is arranged on the second baffle (18).

7. The helical steel pipe repair station of claim 6, wherein, The two mutually symmetrical connecting rods (21) are fixedly installed on the second baffle (18), and the other ends of the two connecting rods (21) are slidably connected to the second circular sliding rail.

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