Argon arc welding device for cold end of industrial gas turbine

Abstract

The utility model relates to the technical field of argon arc welding, and discloses an industrial gas turbine cold end argon arc welding device which comprises a lifting adjusting mechanism, an auxiliary positioning mechanism and an operation table which are arranged in an installation frame, the lifting adjusting mechanism and the auxiliary positioning mechanism are both fixed to the installation top face of the installation frame, and the operation table is arranged on a table top in the installation frame. The operation table comprises a rotating base, an operation supporting surface, a limiting pile and supporting adjusting columns, the rotating base penetrates through the table top and is fixed to the table top through a fixing base, the operation supporting surface is arranged at the upper end of the rotating base, and the supporting adjusting columns are installed on the table top and evenly arranged around the operation supporting surface. According to the device, the lifting adjusting mechanism and the auxiliary positioning mechanism are arranged on the operating table, the positions of welding parts on the operating table can be adjusted through cooperative use of the mechanisms, the stability of the parts is improved during welding, the welding precision is higher, and the welding quality is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of argon arc welding, especially to an industrial gas turbine cold end argon arc welding device. BACKGROUND

[0002] The parts of the industrial gas turbine cold end involve a series of high-precision and high-complexity processing such as heat treatment, brazing, argon arc welding, electron beam welding, and precision machining, and the final product needs to meet a series of nondestructive testing. When welding operation is performed, the stability and convenience of operation affect the product quality and operation efficiency. Therefore, optimization of the device is very necessary.

[0003] The patent application with publication number CN 209189984U discloses an automatic argon arc welding device, which comprises a rack, a workbench is arranged in the middle of the rack, a rotary table is arranged at the lower end of the workbench, the upper end surface of the rotary table is exposed to the workbench, a lifting device is arranged at the upper end of the rotary table, a clamping device is arranged at the upper end of the lifting device, and an argon arc welding device is arranged above the clamping device.

[0004] When the prior art device is operated, it is inconvenient to adjust the welding angle and height, the flexibility of welding needs to be improved, and the stability during welding is not high, so the device structure needs to be optimized.

[0005] Therefore, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an industrial gas turbine cold end argon arc welding device, which is convenient to operate, easy to adjust, can improve the accuracy of welding, and improve the welding quality.

[0007] The utility model adopts the technical scheme that:

[0008] The industrial gas turbine cold end argon arc welding device comprises a lifting adjusting mechanism, an auxiliary positioning mechanism, and an operation table arranged in a mounting rack, the lifting adjusting mechanism and the auxiliary positioning mechanism are fixed to the mounting top surface of the mounting rack, the operation table is arranged on the table surface in the mounting rack, the operation table comprises a rotating base, an operation support surface, a limiting pile, and a support adjusting column, the rotating base is arranged through the table surface and is fixed to the table surface through a fixing seat, the operation support surface is arranged at the upper end of the rotating base, the support adjusting column is mounted to the table surface and is uniformly arranged around the operation support surface.

[0009] Through the adjustment of the operation table, the welding position can be conveniently adjusted, and the position of the welding piece can be more stably adjusted through the operation of the auxiliary positioning mechanism when the device is used.

[0010] Preferably, a driven gear is arranged at the lower end of the rotating base, a driving gear meshing with the driven gear is fixed below the table surface, and a motor is connected to the driving gear.

[0011] Preferably, the top end of the rotating base is provided with a limiting stake, and a limiting sleeve is arranged on the top of the limiting stake.

[0012] By adopting the above structure, the rotating base is controlled to rotate by the motor through the gear, so that the welding position can be adjusted during operation, and the operation is convenient.

[0013] Preferably, the auxiliary positioning mechanism comprises a control cylinder, a connecting rod and a pressing rod, the top of the control cylinder is connected and fixed with the upper installation top surface through a connecting rod, the bottom of the telescopic shaft of the control cylinder is connected with the U-shaped pressing rod through a connecting rod, the tail end of the connecting rod is fixedly connected with the fixed connecting rod of the U-shaped pressing rod, and the fixed connecting rods are fixedly connected with the rotating rod through adjusting shafts.

[0014] By adopting the above structure, the up-down position of the pressing rod can be adjusted by the control cylinder, and the angle of the rotating rod can be adjusted by the pressing rod through the adjusting shaft, so that the operation is convenient during use, the practicability is high, and workers can conveniently adjust.

[0015] Preferably, the lifting adjusting mechanism comprises a telescopic cylinder, a fixed stand, a movable mounting base, a movable mounting plate, an adjusting mounting base and a welding gun, the fixed stand is installed and fixed on the table top, and is provided with a longitudinal sliding rail on the side surface, the top of the telescopic cylinder is installed on the installation top surface, the bottom of the telescopic cylinder is connected with the movable mounting base, the side surface of the movable mounting base is provided with a sliding strip matched with the longitudinal sliding rail, and the movable mounting base is displaced up and down along the longitudinal sliding rail.

[0016] Preferably, the bottom of the movable mounting base is connected with the movable mounting plate through a transverse sliding rail, the side surface of the movable mounting plate is fixedly connected with the adjusting mounting base, and the movable mounting plate is connected with the push-pull cylinder arranged between the fixed stands through a connecting push rod.

[0017] Preferably, a rotating plate is connected with the adjusting mounting base through fixing bolts, and the welding gun is fixed on the rotating plate.

[0018] By adopting the above structure, the adjusting mechanism can not only adjust the up-down position of the welding device through the telescopic cylinder, but also adjust the horizontal position of welding through the push-pull cylinder, and the welding gun is fixed through the adjustable rotating plate, so that the welding angle can be adjusted during operation, the welding accuracy is better, and the welding effect is better.

[0019] Compared with the prior art, the device has the following beneficial effects:

[0020] 1. The device is provided with a lifting adjusting mechanism and an auxiliary positioning mechanism on the operation table, the position of the welded parts on the operation table can be adjusted through the cooperation of the mechanisms, the stability of the parts during welding is improved, the welding accuracy is higher, and the welding quality is better.

[0021] 2, the auxiliary positioning mechanism of the device adjusts the up-down position of the pressure rod through the control cylinder, and the pressure rod can adjust the angle of the rotating rod through the adjusting shaft, convenient to operate, practical, and convenient for workers to adjust.

[0022] 3, the lifting adjusting mechanism of the device can not only adjust the up-down position of the welding device through the telescopic cylinder, but also adjust the horizontal position of welding through the push-pull cylinder, and the welding gun is fixed through the adjustable rotating plate, which can adjust the welding angle during operation, so that the welding accuracy is better and the welding effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the utility model;

[0024] Figure 2 is a structural schematic view of the operation table of the utility model;

[0025] Figure 3 is a structural schematic view of the auxiliary positioning mechanism of the utility model;

[0026] Figure 4 is a structural schematic view of the lifting adjusting mechanism of the utility model;

[0027] Figure 5 is a structural schematic view of the lifting adjusting mechanism of the utility model;

[0028] Figure 6 is a structural schematic view of the lifting adjusting mechanism of the utility model;

[0029] Figure 7 is a connection schematic view of the push-pull cylinder and the mobile mounting plate of the utility model.

[0030] Wherein: 1, lifting adjusting mechanism; 2, auxiliary positioning mechanism; 3, operation table; 4, mounting frame; 5, table top; 6, operation support surface; 7, limiting pile; 8, limiting sleeve; 9, support adjusting column; 10, rotating base; 11, driven gear; 12, driving gear; 13, motor; 14, fixed seat; 15, mounting top surface; 16, control cylinder; 17, connecting rod; 18, pressure rod; 19, adjusting shaft; 20, connecting rod; 21, fixed connecting rod; 22, telescopic cylinder; 23, fixed stand; 24, mobile mounting base; 25, longitudinal slide rail; 26, mobile mounting plate; 27, push-pull cylinder; 28, transverse slide rail; 29, adjusting mounting base; 30, welding gun; 31, fixed bolt; 32, rotating plate; 33, connecting push rod. DETAILED DESCRIPTION

[0031] As Figures 1-7As shown, the industrial gas turbine cold-end argon arc welding device comprises a lifting adjusting mechanism 1, an auxiliary positioning mechanism 2 and an operating table 3 arranged in a mounting frame 4. The lifting adjusting mechanism 1 and the auxiliary positioning mechanism 2 are fixed to the mounting top surface 15 of the mounting frame. The operating table 3 is arranged on the table top 5 in the mounting frame 4. The operating table 3 comprises a rotating base 10, an operating support surface 6, a limiting pile 7 and a supporting adjusting column 9. The rotating base 10 is arranged through the table top 5 and is fixed to the table top 5 through a fixed seat 14. The upper end of the rotating base 10 is provided with the operating support surface 6. The top end of the rotating base 10 is provided with the limiting pile 7. The supporting adjusting column 9 is arranged around the operating support surface 6. The lower end of the rotating base 10 is provided with a driven gear 11. The table top is fixed with a driving gear 12 engaged with the driven gear 11. The driving gear 12 is connected with a motor 13. The limiting pile 7 is sleeved with a limiting sleeve 8. The device is provided with the lifting adjusting mechanism 1 and the auxiliary positioning mechanism 2 on the operating table 3. The two mechanisms can be used in cooperation to adjust the position of the welding parts on the operating table 3 and improve the stability of the parts during welding, so that the welding accuracy is higher and the welding quality is better.

[0032] The auxiliary positioning mechanism 2 comprises a control cylinder 16, a connecting rod 17 and a pressing rod 18. The top of the control cylinder 16 is connected and fixed with the upper mounting top surface 15 through a connecting rod 20. The telescopic shaft of the control cylinder 16 is connected with the U-shaped pressing rod 18 through the connecting rod 17. The end of the connecting rod 17 is fixedly connected with the fixed connecting rod 21 of the U-shaped pressing rod 18. The two ends of the fixed connecting rod 21 are connected with the rotating rod 22 through the adjusting shaft 19. The auxiliary positioning mechanism 2 of the device adjusts the up-down position of the U-shaped pressing rod 18 through the control cylinder 16. The U-shaped pressing rod 18 can adjust the angle of the rotating rod 22 through the adjusting shaft 19. The device is convenient to operate and has high practicability and is convenient for workers to adjust.

[0033] The lifting adjusting mechanism 1 comprises a telescopic cylinder 22, a fixed column 23, a moving mounting base 24, a moving mounting plate 26, an adjusting mounting base 29, a welding gun 30, the fixed column 23 is fixedly installed on the table top, and a longitudinal slide rail 25 is arranged on the side face; the top of the telescopic cylinder 22 is installed on the mounting top face 15; the bottom of the telescopic cylinder 22 is connected with the moving mounting base 24; the side face of the moving mounting base 24 is provided with a slide strip matched with the longitudinal slide rail 25, and the moving mounting base 24 is displaced up and down along the longitudinal slide rail 25; the bottom of the moving mounting base 24 is connected with the moving mounting plate 26 through a transverse slide rail 28; the side face of the moving mounting plate 26 is connected with the adjusting mounting base 29; the moving mounting plate 26 is connected with the push-pull cylinder 27 arranged between the fixed columns 23 through a connecting push rod 33; the rotating plate 32 is connected with the adjusting mounting base 29 through a fixing bolt 31; and the welding gun 30 is fixed on the rotating plate. The lifting adjusting mechanism 1 of the device can not only adjust the up-down position of the welding device through the telescopic cylinder 22, but also adjust the horizontal position of welding through the push-pull cylinder 27; and the welding gun 30 is fixed through the adjustable rotating plate 32, so that the welding angle can be adjusted during operation, the welding precision is better, and the welding effect is better.

[0034] When the device is used, the welding parts are placed on the operation supporting face 6, the parts are pressed by the U-shaped pressing rod 18 controlled by the control cylinder 16 to stabilize the position and perform welding when it is needed to operate the fixed position of the parts; the up-down position of the moving mounting base 24 is adjusted through the telescopic cylinder 22 of the lifting adjusting mechanism 1, the front-rear position of the moving mounting plate 26 is adjusted through the operation of the push-pull cylinder 27, the welding operation is convenient, the specific position in the longitudinal direction and the transverse direction is adjusted through the operation of the telescopic cylinder 22 and the push-pull cylinder 27, the specific welding position of the welding gun 30 is adjusted by screwing the fixing bolt 31, the parts are placed on the supporting face 6 and limited by the limiting sleeve 8, the rotating base 10 is rotated by opening the motor 13, and welding is performed, so that the device is convenient to operate, convenient to use, the welding precision is improved, and the welding quality is improved.

[0035] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the scope of the present application, and various deformations and improvements of the technical solutions of the present application made by the person skilled in the art without departing from the design spirit of the present application should be included in the protection scope determined by the claims of the present application.

Claims

1. An industrial gas turbine cold-end argon arc welding device, comprising a lifting adjusting mechanism, an auxiliary positioning mechanism and an operating table arranged in a mounting frame, characterized in that: The lifting adjusting mechanism and the auxiliary positioning mechanism are fixed on the mounting top surface of the mounting frame, the operation table is arranged on the table top in the mounting frame, and the operation table comprises a rotating base, an operation support surface, a limiting pile and a support adjusting column.

2. The industrial gas turbine cold-end argon arc welding apparatus according to claim 1, characterized by: The lower end of the rotating base is provided with a driven gear, and the table top is fixed with a driving gear engaged with the driven gear.

3. The industrial gas turbine cold-end argon arc welding apparatus according to claim 1, characterized by: The top end of the rotating base is provided with a limiting pile, and the limiting pile is sleeved with a limiting sleeve at the top.

4. The industrial gas turbine cold-end argon arc welding apparatus according to claim 1, characterized by: The auxiliary positioning mechanism comprises a control cylinder, a connecting rod and a pressing rod.

5. The industrial gas turbine cold-end argon arc welding apparatus of claim 1 wherein: The lifting adjusting mechanism comprises a telescopic cylinder, a fixed stand, a moving mounting seat, a moving mounting plate, an adjusting mounting seat and a welding gun.

6. The industrial gas turbine cold-end argon arc welding apparatus according to claim 5, characterized by: The bottom of the moving mounting seat is connected with the moving mounting plate through a horizontal sliding rail, the side of the moving mounting plate is fixedly connected with the adjusting mounting seat, and the moving mounting plate is connected with a push-pull cylinder arranged between the fixed stands through a connecting push rod.

7. The industrial gas turbine cold-end argon arc welding apparatus according to claim 6, characterized by: The adjusting mounting seat is connected with a rotating plate through a fixing bolt, and the welding gun is fixed on the rotating plate.

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