Automatic welding equipment for iron accessories of electric iron tower

Abstract

The invention discloses automatic welding equipment for iron accessories of an electric iron tower, which comprises a machining table, a welding table, a welding table, a welding table, a welding table and a welding platform, and a groove is formed in the center of the top of the machining table; the device comprises a limiting frame, an electric guide rail is fixedly connected to the inner wall of the limiting frame, a moving seat is slidably connected to the interior of the electric guide rail through an electric sliding block, an electric telescopic rod is fixedly connected to the top of the moving seat, and a supporting seat is fixedly connected to the movable end of the electric telescopic rod; the top of the supporting base is fixedly connected with a welding assembly through a mechanical arm. The positioning device is used for positioning the iron accessory to be machined and the flange; the pressing device is used for pressing the flange at the end part of the iron accessory; the invention relates to the technical field of welding machining. According to the automatic welding equipment for the iron accessory of the electric iron tower, synchronous rotation of the iron accessory and the flange can be kept during welding, and the coaxial and concentric state is kept all the time in the rotating process.

Description

Technical Field

[0001] The invention relates to the technical field of welding processing, in particular to automatic welding equipment for iron accessories of power towers. Background Art

[0002] With the development of digitalization, automation, computer, and mechanical design technology, as well as the high attention paid to welding quality, automatic welding has developed into an advanced manufacturing technology. Automatic welding equipment plays an increasingly important role in the application of various industries, and its application scope is rapidly expanding. In modern industrial production, the mechanization and automation of the welding production process is an inevitable trend in the modernization of the welding mechanism manufacturing industry. Power towers are tower-shaped buildings used for power transmission. Their structural characteristics are that all types of towers belong to space truss structures. A large number of iron accessories will be used in the installation process of power towers, and iron accessories are required for welding processes. Among them, when welding iron accessories of pipelines, flanges need to be welded at both ends to facilitate connection with other components.

[0003] When welding a flange to the end of an iron fitting of a pipe, the existing device cannot keep the iron fitting and the flange rotated synchronously during the welding process, and cannot always keep the iron fitting and the flange in a coaxial and concentric state during the rotation process, resulting in low welding efficiency. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides: an automatic welding device for iron accessories of power towers, comprising: A processing table, wherein a groove is provided at the center of the top of the processing table; A limit frame, the inner wall of which is fixedly connected to an electric guide rail, the interior of which is slidably connected to a moving seat via an electric slider, the top of which is fixedly connected to an electric telescopic rod, the movable end of which is fixedly connected to a support seat, and the top of which is fixedly connected to a welding assembly via a mechanical arm; A positioning device, which is used to position the iron accessories and flanges to be processed; A clamping device, which is used to clamp the flange onto the end of the iron accessory; The bottom of the limit frame is fixedly connected to the top of the processing table, the bottom of the positioning device is fixedly connected to the top of the processing table, the bottom of the clamping device is fixedly connected to the bottom of the inner wall of the groove, and the clamping device is arranged directly below the positioning device.

[0005] Preferably, the positioning device includes a first positioning sleeve and a second positioning sleeve, the outer sides of the first positioning sleeve and the second positioning sleeve are both equipped with a tightening device, the outer sides of the first positioning sleeve and the second positioning sleeve are both sleeved and fixedly connected with a driven gear ring, the outer side of the driven gear ring is meshed with a driving gear, one side of the driving gear is fixedly connected with a transmission rod, the side of the driving gear away from the transmission rod is fixedly connected with a driving motor, the outer side of the transmission rod is rotatably connected to a limited bracket through a bearing, the outer side of the second positioning sleeve is rotatably connected to a fixed plate through a rolling bearing, the side of the fixed plate is fixedly connected with a reinforcement plate, the top of the first positioning sleeve is slidably connected to an annular frame through a slide plate, and the top of the annular frame is fixedly connected with a reinforcement bracket, the driving motor drives the driving gear to rotate, and the driving gear drives another group of driving gears to rotate synchronously through the transmission rod, and the two groups of driving gears simultaneously drive the driven gear rings meshing therewith to rotate, and the two groups of driven gear rings respectively drive the first positioning sleeve and the second positioning sleeve to rotate, so that the iron accessory and the flange can be kept in synchronous rotation during welding, and the coaxial and concentric state can always be maintained during the rotation process, thereby effectively improving the welding efficiency.

[0006] Preferably, the first positioning sleeve is arranged directly above the second positioning sleeve, the output end of the drive motor is fixedly connected to the side of the drive gear, the bottom of the limit bracket is fixedly connected to the top of the processing table, and one side of the drive motor is fixedly connected to the side of the limit bracket through the bracket.

[0007] Preferably, the reinforcement plates are provided in multiple groups, and the multiple groups of reinforcement plates are evenly distributed on the outside of the fixed plate, the bottom of the reinforcement plates is fixedly connected to the top of the processing table, and the bottom of the reinforcement bracket is fixedly connected to the top of the processing table.

[0008] Preferably, the tightening device comprises an annular liquid storage frame, the inner wall of the annular liquid storage frame is connected with a sliding sleeve, the inner wall of the sliding sleeve is slidably connected with a sealing piston rod, and the sealing piston rod is fixedly connected to a tightening plate at one end away from the sliding sleeve, and the side of the annular liquid storage frame is connected with a hydraulic sleeve, the inner wall of the hydraulic sleeve is slidably connected with a rod piston, and the end of the rod piston away from the hydraulic sleeve is fixedly connected with an electronic telescopic push rod, and the end of the rod piston away from the hydraulic sleeve is fixedly connected with a support plate, the electronic telescopic push rod pushes the rod piston, pushes the rod piston into the hydraulic sleeve and squeezes the hydraulic sleeve The hydraulic oil is squeezed into the annular liquid storage frame, the hydraulic pressure in the annular liquid storage frame gradually increases, the hydraulic oil squeezes into the sliding sleeve and pushes the sealing piston rod, the sealing piston rod is hydraulically pushed out, and the sealing piston rod drives the tightening plate to clamp and fix the iron accessories in the first positioning sleeve and the flange in the second positioning sleeve to prevent the iron accessories and the flange from shaking during rotation, thereby improving the stability during processing.

[0009] Preferably, the sliding sleeves are provided in multiple groups, and the sliding sleeves are evenly distributed on the inner side of the annular liquid storage frame, and one end of the sealing piston rod close to the top tightening plate passes through and extends to the outer side of the sliding sleeve.

[0010] Preferably, the end of the support plate away from the electronic telescopic push rod is fixedly connected to the outer side of the annular liquid storage frame. The electronic telescopic push rod drives the piston with rod to move to squeeze or extract the hydraulic oil in the annular liquid storage frame, thereby controlling the hydraulic pressure in the annular liquid storage frame and the sliding sleeve. The position of the sealing piston rod can be changed by adjusting the hydraulic pressure in the sliding sleeve. The sealing piston rod is used to drive the tightening plate to clamp and limit iron accessories and flanges of different diameters, thereby improving the practicability of the device. The piston with rod passes through the hydraulic sleeve, and the interior of the annular liquid storage frame is filled with hydraulic oil.

[0011] Preferably, the clamping device includes an electric push rod, the top of which is fixedly connected with a conical clamping block, a rectangular groove is provided on the outer side of the conical clamping block, a return spring is fixedly connected to the inner wall of the rectangular groove, and a clamping plate is fixedly connected to the end of the return spring away from the rectangular groove. The electric push rod pushes the conical clamping block to move upward until the conical clamping block extends into the second positioning sleeve and squeezes the flange inside the second positioning sleeve, thereby pressing the flange inside the second positioning sleeve to the end of the iron accessory, thereby effectively improving the efficiency of welding the flange to the end of the iron accessory.

[0012] Preferably, the outer side of the electric push rod is fixedly connected to the bottom of the inner wall of the groove through a bracket, and the rectangular grooves are provided in multiple groups, and the multiple groups of rectangular grooves are evenly distributed on the outer side of the conical clamping block.

[0013] The present invention provides an automatic welding device for iron accessories of power towers. It has the following beneficial effects: 1. This kind of automatic welding equipment for iron accessories of power tower, through the installation of positioning device, the driving motor drives the driving gear to rotate, the driving gear drives another set of driving gears to rotate synchronously through the transmission rod, the two sets of driving gears simultaneously drive the driven gear rings meshing with them to rotate, the two sets of driven gear rings respectively drive the first positioning sleeve and the second positioning sleeve to rotate, so that the iron accessories and the flange can be kept to rotate synchronously during welding, and the coaxial and concentric state can be always maintained during the rotation process, which effectively improves the welding efficiency.

[0014] 2. This kind of automatic welding equipment for iron accessories of power towers, through the installation of the tightening device, the electronic telescopic push rod pushes the rod piston, the rod piston is pushed into the hydraulic sleeve and squeezes the hydraulic oil in the hydraulic sleeve, the hydraulic oil is squeezed into the annular liquid storage frame, the hydraulic pressure in the annular liquid storage frame gradually increases, the hydraulic oil is squeezed into the sliding sleeve and pushes the sealing piston rod, the sealing piston rod is hydraulically pushed out, the sealing piston rod drives the tightening plate to clamp and fix the iron accessories in the first positioning sleeve and the flange in the second positioning sleeve, so as to avoid shaking of the iron accessories and the flange during rotation and improve the stability during processing.

[0015] 3. This kind of automatic welding equipment for iron accessories of power towers, through the installation of hydraulic sleeves and rod pistons, the electronic telescopic push rod drives the rod piston to move to squeeze or extract the hydraulic oil in the annular liquid storage frame, so as to control the hydraulic pressure in the annular liquid storage frame and the sliding sleeve. The position of the sealing piston rod can be changed by adjusting the hydraulic pressure in the sliding sleeve. The sealing piston rod is used to drive the tightening plate to clamp and limit the iron accessories and flanges of different diameters, thereby improving the practicability of the device.

[0016] 4. This kind of automatic welding equipment for iron accessories of power towers, through the installation of the clamping device, the electric push rod pushes the conical clamping block to move upward until the conical clamping block extends into the second positioning sleeve and squeezes the flange inside the second positioning sleeve, and presses the flange in the second positioning sleeve to the end of the iron accessory, effectively improving the efficiency of flange welding at the end of the iron accessory. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the automatic welding equipment for the iron accessories of the power tower of the present invention; Figure 2 It is a structural schematic diagram of the processing table of the present invention; Figure 3 It is a structural schematic diagram of the second positioning sleeve of the present invention; Figure 4 It is a structural schematic diagram of the limiting bracket of the present invention; Figure 5 It is a structural schematic diagram of the annular frame of the present invention; Figure 6 For the present invention Figure 5 A magnified view of the structure at center A; Figure 7 It is a structural schematic diagram of the electric push rod of the present invention; Figure 8 It is a schematic diagram of the internal structure of the pressing plate of the present invention.

[0018] In the figure: 1, processing table; 2, groove; 3, limit frame; 4, electric guide rail; 5, moving seat; 6, electric telescopic rod; 7, support seat; 8, positioning device; 81, first positioning sleeve; 82, second positioning sleeve; 83, tightening device; 831, annular liquid storage frame; 832, sliding sleeve; 833, sealing piston rod; 834, tightening plate; 835, hydraulic sleeve; 836, piston with rod; 837, electronic telescopic Retractable push rod; 838, support plate; 84, driven gear ring; 85, driving gear; 86, transmission rod; 87, driving motor; 88, limit bracket; 89, fixing plate; 810, reinforcement plate; 811, ring frame; 812, reinforcement bracket; 9, clamping device; 91, electric push rod; 92, conical clamping block; 93, rectangular groove; 94, return spring; 95, clamping plate; 10, mechanical arm; 11, welding assembly. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0020] For the first embodiment, please refer to Figure 1-Figure 6 The present invention provides a technical solution: an automatic welding device for iron accessories of a power tower, comprising: A processing table 1, wherein a groove 2 is provided at the center of the top of the processing table 1; A limit frame 3, the inner wall of the limit frame 3 is fixedly connected with an electric guide rail 4, the interior of the electric guide rail 4 is slidably connected with a moving seat 5 through an electric slider, the top of the moving seat 5 is fixedly connected with an electric telescopic rod 6, the movable end of the electric telescopic rod 6 is fixedly connected with a support seat 7, and the top of the support seat 7 is fixedly connected with a welding assembly 11 through a mechanical arm 10; A positioning device 8, which is used to position the iron accessories and flanges to be processed; A clamping device 9, which is used to clamp the flange onto the end of the iron accessory; The bottom of the limit frame 3 is fixedly connected to the top of the processing table 1, the bottom of the positioning device 8 is fixedly connected to the top of the processing table 1, the bottom of the clamping device 9 is fixedly connected to the bottom of the inner wall of the groove 2, and the clamping device 9 is arranged directly below the positioning device 8.

[0021] The positioning device 8 includes a first positioning sleeve 81 and a second positioning sleeve 82, and a tightening device 83 is installed on the outer side of the first positioning sleeve 81 and the second positioning sleeve 82. The outer sides of the first positioning sleeve 81 and the second positioning sleeve 82 are both sleeved and fixedly connected with a driven gear ring 84, and the outer side of the driven gear ring 84 is meshed with a driving gear 85, and one side of the driving gear 85 is fixedly connected to a transmission rod 86, and the side of the driving gear 85 away from the transmission rod 86 is fixedly connected to a driving motor 87, and the outer side of the transmission rod 86 is rotatably connected to a limiting bracket 88 through a bearing, and the outer side of the second positioning sleeve 82 is rotatably connected to a fixed plate 89 through a rolling bearing, and the side of the fixed plate 89 is fixedly connected to a reinforcement plate 810, and the top of the first positioning sleeve 81 is slidably connected to an annular frame 811 through a slide, and the top of the annular frame 811 is fixedly connected to a reinforcement bracket 812.

[0022] The first positioning sleeve 81 is arranged directly above the second positioning sleeve 82, the output end of the driving motor 87 is fixedly connected to the side of the driving gear 85, the bottom of the limiting bracket 88 is fixedly connected to the top of the processing table 1, and one side of the driving motor 87 is fixedly connected to the side of the limiting bracket 88 through the bracket.

[0023] There are multiple groups of reinforcement plates 810, which are evenly distributed on the outside of the fixed plate 89. The bottom of the reinforcement plate 810 is fixedly connected to the top of the processing table 1, and the bottom of the reinforcement bracket 812 is fixedly connected to the top of the processing table 1.

[0024] The tightening device 83 includes an annular liquid storage frame 831, the inner wall of the annular liquid storage frame 831 is connected to a sliding sleeve 832, the inner wall of the sliding sleeve 832 is slidably connected to a sealing piston rod 833, the end of the sealing piston rod 833 away from the sliding sleeve 832 is fixedly connected to a tightening plate 834, the side of the annular liquid storage frame 831 is connected to a hydraulic sleeve 835, the inner wall of the hydraulic sleeve 835 is slidably connected to a rod piston 836, the end of the rod piston 836 away from the hydraulic sleeve 835 is fixedly connected to an electronic telescopic push rod 837, and the end of the electronic telescopic push rod 837 away from the rod piston 836 is fixedly connected to a support plate 838.

[0025] There are multiple groups of sliding sleeves 832 , which are evenly distributed on the inner side of the annular liquid storage frame 831 . One end of the sealing piston rod 833 close to the pressing plate 834 penetrates and extends to the outer side of the sliding sleeve 832 .

[0026] One end of the support plate 838 away from the electronic telescopic push rod 837 is fixedly connected to the outer side of the annular liquid storage frame 831 , and the rod piston 836 passes through the hydraulic sleeve 835 , and the interior of the annular liquid storage frame 831 is filled with hydraulic oil.

[0027] During use, the operator places the flange to be processed into the second positioning sleeve 82, and then inserts the pipe-like iron accessories to be processed into the first positioning sleeve 81, so that the flange end in the second positioning sleeve 82 contacts the iron accessory end in the first positioning sleeve 81, and then fixes the flange in the second positioning sleeve 82 and the iron accessory in the first positioning sleeve 81 respectively through the tightening device 83, so that the iron accessory and the flange are in a coaxial and concentric state, and then turns on the electric guide rail 4 to drive the moving seat 5 to move, and the moving seat 5 drives the support seat 7 to move through the electric telescopic rod 6, and the support seat 7 drives the welding assembly 11 to move to the designated position through the mechanical arm 10. Then, the robot arm 10 can be used to drive the welding assembly 11 to weld the flange end and the iron accessory end. During the welding process, the drive motor 87 is turned on, and the drive motor 87 drives the drive gear 85 to rotate. The drive gear 85 drives another set of drive gears 85 to rotate synchronously through the transmission rod 86. The two sets of drive gears 85 simultaneously drive the driven gear rings 84 meshing therewith to rotate, and the two sets of driven gear rings 84 respectively drive the first positioning sleeve 81 and the second positioning sleeve 82 to rotate, so that the iron accessory and the flange can be kept to rotate synchronously during welding, and the coaxial and concentric state can be always maintained during the rotation process, which effectively improves the welding efficiency.

[0028] Turn on the electronic telescopic push rod 837, push the rod piston 836 through the electronic telescopic push rod 837, push the rod piston 836 into the hydraulic sleeve 835 and squeeze the hydraulic oil in the hydraulic sleeve 835, squeeze the hydraulic oil into the annular liquid storage frame 831, the hydraulic pressure in the annular liquid storage frame 831 gradually increases, the hydraulic oil squeezes into the sliding sleeve 832 and pushes the sealing piston rod 833, the sealing piston rod 833 is hydraulically pushed out, the sealing piston rod 833 drives the tightening plate 834 to clamp and fix the iron accessories in the first positioning sleeve 81 and the flange in the second positioning sleeve 82, so as to avoid shaking of the iron accessories and the flange during rotation and improve the stability during processing.

[0029] The electronic telescopic push rod 837 drives the rod piston 836 to move, which can squeeze or extract the hydraulic oil in the annular liquid storage frame 831, thereby controlling the hydraulic pressure in the annular liquid storage frame 831 and the sliding sleeve 832. The position of the sealing piston rod 833 can be changed by adjusting the hydraulic pressure in the sliding sleeve 832. The sealing piston rod 833 is used to drive the tightening plate 834 to clamp and limit iron accessories and flanges of different diameters, thereby improving the practicability of the device.

[0030] For the second embodiment, please refer to Figure 1-Figure 8The present invention provides a technical solution: on the basis of the first embodiment, the clamping device 9 includes an electric push rod 91, a conical clamping block 92 is fixedly connected to the top of the electric push rod 91, a rectangular groove 93 is opened on the outer side of the conical clamping block 92, a return spring 94 is fixedly connected to the inner wall of the rectangular groove 93, and a clamping plate 95 is fixedly connected to the end of the return spring 94 away from the rectangular groove 93.

[0031] The outer side of the electric push rod 91 is fixedly connected to the bottom of the inner wall of the groove 2 through a bracket. There are multiple groups of rectangular grooves 93, and the multiple groups of rectangular grooves 93 are evenly distributed on the outer side of the conical pressing block 92.

[0032] When in use, turn on the electric push rod 91, and the electric push rod 91 pushes the conical clamping block 92 to move upward until the conical clamping block 92 extends into the second positioning sleeve 82 and squeezes the flange inside the second positioning sleeve 82, thereby pressing the flange inside the second positioning sleeve 82 to the end of the iron accessory, effectively improving the efficiency of flange welding to the end of the iron accessory.

[0033] Working principle: The operator puts the flange to be processed into the second positioning sleeve 82, and then inserts the pipe-like iron accessories to be processed into the first positioning sleeve 81, so that the flange end in the second positioning sleeve 82 contacts the iron accessory end in the first positioning sleeve 81, and then fixes the flange in the second positioning sleeve 82 and the iron accessory in the first positioning sleeve 81 respectively through the tightening device 83, so that the iron accessory and the flange are in a coaxial and concentric state, and then turns on the electric guide rail 4 to drive the moving seat 5 to move, and the moving seat 5 drives the support seat 7 to move through the electric telescopic rod 6, and the support seat 7 drives the welding assembly 11 to move to the finger through the mechanical arm 10. The mechanical arm 10 can then be used to drive the welding assembly 11 to weld the flange end and the iron accessory end. During the welding process, the driving motor 87 is turned on, and the driving motor 87 drives the driving gear 85 to rotate. The driving gear 85 drives another set of driving gears 85 to rotate synchronously through the transmission rod 86. The two sets of driving gears 85 simultaneously drive the driven gear rings 84 meshing therewith to rotate. The two sets of driven gear rings 84 respectively drive the first positioning sleeve 81 and the second positioning sleeve 82 to rotate, so that the iron accessory and the flange can be kept to rotate synchronously during welding, and the coaxial and concentric state can be always maintained during the rotation process. The electronic telescopic push rod is turned on. 837, the rod piston 836 is pushed by the electronic telescopic push rod 837, the rod piston 836 is pushed into the hydraulic sleeve 835 and the hydraulic oil in the hydraulic sleeve 835 is squeezed, the hydraulic oil is squeezed into the annular liquid storage frame 831, the hydraulic pressure in the annular liquid storage frame 831 is gradually increased, the hydraulic oil is squeezed into the sliding sleeve 832 and pushes the sealing piston rod 833, the sealing piston rod 833 is hydraulically pushed out, the sealing piston rod 833 drives the top plate 834 to clamp and fix the iron accessories in the first positioning sleeve 81 and the flange in the second positioning sleeve 82, the electronic telescopic push rod 837 drives the rod piston 836 to move, and the annular The hydraulic oil in the liquid storage frame 831 can be squeezed or extracted to control the hydraulic pressure in the annular liquid storage frame 831 and the sliding sleeve 832. The position of the sealing piston rod 833 can be changed by adjusting the hydraulic pressure in the sliding sleeve 832. The sealing piston rod 833 is used to drive the clamping plate 834 to clamp and limit iron accessories and flanges of different diameters. The electric push rod 91 is turned on, and the electric push rod 91 pushes the conical clamping block 92 to move upward until the conical clamping block 92 extends into the second positioning sleeve 82 and squeezes the flange inside the second positioning sleeve 82, thereby pressing the flange in the second positioning sleeve 82 to the end of the iron accessory.

[0034] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An automatic welding device for iron accessories of power towers, characterized in that: include: A processing table (1), wherein a groove (2) is provided at a center position on the top of the processing table (1); A limit frame (3), the inner wall of the limit frame (3) is fixedly connected to an electric guide rail (4), the interior of the electric guide rail (4) is slidably connected to a moving seat (5) via an electric slider, the top of the moving seat (5) is fixedly connected to an electric telescopic rod (6), the movable end of the electric telescopic rod (6) is fixedly connected to a support seat (7), and the top of the support seat (7) is fixedly connected to a welding assembly (11) via a mechanical arm (10); A positioning device (8), the positioning device (8) is used to position the iron accessories and flanges to be processed; A clamping device (9), the clamping device (9) being used to clamp the flange onto the end of the iron accessory; The bottom of the limit frame (3) is fixedly connected to the top of the processing table (1), the bottom of the positioning device (8) is fixedly connected to the top of the processing table (1), the bottom of the clamping device (9) is fixedly connected to the bottom of the inner wall of the groove (2), and the clamping device (9) is arranged directly below the positioning device (8).

2. The automatic welding equipment for iron accessories of a power tower according to claim 1 is characterized in that: The positioning device (8) comprises a first positioning sleeve (81) and a second positioning sleeve (82), the outer sides of the first positioning sleeve (81) and the second positioning sleeve (82) are both provided with a tightening device (83), the outer sides of the first positioning sleeve (81) and the second positioning sleeve (82) are both sleeved with and fixedly connected with a driven gear ring (84), the outer side of the driven gear ring (84) is meshed with a driving gear (85), one side of the driving gear (85) is fixedly connected with a transmission rod (86), and the driving gear (85) A driving motor (87) is fixedly connected to a side away from the transmission rod (86); the outer side of the transmission rod (86) is rotatably connected to a limiting bracket (88) via a bearing; the outer side of the second positioning sleeve (82) is rotatably connected to a fixing plate (89) via a rolling bearing; a side of the fixing plate (89) is fixedly connected to a reinforcing plate (810); the top of the first positioning sleeve (81) is slidably connected to an annular frame (811) via a slide plate; and the top of the annular frame (811) is fixedly connected to a reinforcing bracket (812).

3. The automatic welding equipment for iron accessories of power tower according to claim 2 is characterized in that: The first positioning sleeve (81) is arranged directly above the second positioning sleeve (82), the output end of the driving motor (87) is fixedly connected to the side of the driving gear (85), the bottom of the limiting bracket (88) is fixedly connected to the top of the processing table (1), and one side of the driving motor (87) is fixedly connected to the side of the limiting bracket (88) via a bracket.

4. The automatic welding equipment for iron accessories of a power tower according to claim 2 is characterized in that: The reinforcement plates (810) are provided in multiple groups, and the multiple groups of reinforcement plates (810) are evenly distributed on the outside of the fixed plate (89); the bottom of the reinforcement plates (810) is fixedly connected to the top of the processing table (1); and the bottom of the reinforcement bracket (812) is fixedly connected to the top of the processing table (1).

5. The automatic welding equipment for the iron accessories of a power tower according to claim 2 is characterized in that: The tightening device (83) comprises an annular liquid storage frame (831), the inner wall of the annular liquid storage frame (831) is connected to a sliding sleeve (832), the inner wall of the sliding sleeve (832) is slidably connected to a sealing piston rod (833), one end of the sealing piston rod (833) away from the sliding sleeve (832) is fixedly connected to a tightening plate (834), the side of the annular liquid storage frame (831) is connected to a hydraulic sleeve (835), the inner wall of the hydraulic sleeve (835) is slidably connected to a rod-mounted piston (836), one end of the rod-mounted piston (836) away from the hydraulic sleeve (835) is fixedly connected to an electronic telescopic push rod (837), and one end of the electronic telescopic push rod (837) away from the rod-mounted piston (836) is fixedly connected to a support plate (838).

6. The automatic welding equipment for the iron accessories of the power tower according to claim 5 is characterized in that: The sliding sleeves (832) are provided in multiple groups, and the multiple groups of sliding sleeves (832) are evenly distributed on the inner side of the annular liquid storage frame (831), and one end of the sealing piston rod (833) close to the pressing plate (834) penetrates and extends to the outer side of the sliding sleeve (832).

7. The automatic welding equipment for iron accessories of power tower according to claim 5 is characterized in that: One end of the support plate (838) away from the electronic telescopic push rod (837) is fixedly connected to the outside of the annular liquid storage frame (831), the rod-carrying piston (836) passes through the hydraulic sleeve (835), and the interior of the annular liquid storage frame (831) is filled with hydraulic oil.

8. The automatic welding equipment for iron accessories of power tower according to claim 1 is characterized in that: The clamping device (9) comprises an electric push rod (91), the top of the electric push rod (91) is fixedly connected to a conical clamping block (92), the outer side of the conical clamping block (92) is provided with a rectangular groove (93), the inner wall of the rectangular groove (93) is fixedly connected to a return spring (94), and the end of the return spring (94) away from the rectangular groove (93) is fixedly connected to a clamping plate (95).

9. The automatic welding equipment for iron accessories of power tower according to claim 8, characterized in that: The outer side of the electric push rod (91) is fixedly connected to the bottom of the inner wall of the groove (2) via a bracket, and the rectangular grooves (93) are provided in multiple groups, and the multiple groups of rectangular grooves (93) are evenly distributed on the outer side of the conical pressing block (92).

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