An auxiliary welding device for steel circular pipes of a wind power jacket

Abstract

The present invention belongs to the technical field of metal processing, and discloses an auxiliary welding device for a steel circular pipe of a wind power jacket. The device includes a metal pipe, and mounting seats are symmetrically and fixedly arranged on the upper and lower sides of the metal pipe. A plurality of guide grooves are fixedly and equidistantly arranged on the circumferential surface of the upper surface of the mounting seat. A pressing block is slidably sleeved in the middle of each of the plurality of guide grooves, and the pressing block moves along the horizontal direction. By pressing down one end of the pressing handle away from the metal pipe, the pressing block drives a plurality of reinforcing plates to synchronously move towards the metal pipe. At the same time, the center lines of the plurality of reinforcing plates remain unchanged. The reinforcing plates align the upper part of the welding gap of the metal pipe and the bent and inclined parts of the lower part of the welding gap of the metal pipe, thereby solving the problems of the existing welding device that the welded metal pipe still remains in a bent and inclined state, which is likely to break continuously in the later stage, and the moisture attached to the surface of the metal pipe, which causes pores or cracks at the welding position.

Description

Technical Field

[0001] The present invention belongs to the technical field of metal processing, and specifically relates to an auxiliary welding device for steel round pipes of wind power jacket frames. Background Art

[0002] During the construction and maintenance of wind power jacket frames, metal pipes, as key structural components, often need to work under harsh environmental conditions. Erosion by natural factors such as wind and rain can cause cracks in the metal pipes, so welding repair treatment is required.

[0003] In addition, when cracks appear in the metal pipe under the external forces of wind and rain corrosion, the structural strength at the crack of the metal pipe will be weakened under the action of external forces such as wind, and it will bend to either side. At this time, when the existing welding device directly welds and repairs the crack, the pressure borne by the welding area in the bending direction is significantly higher than other areas, resulting in the welding part breaking again due to pressure concentration during later use, seriously affecting the repair quality and service life. In addition, when the temperature drops, water vapor in the air condenses on the surface of the metal pipe. During the welding process, the welding arc and high temperature cause the water condensed on the surface of the metal pipe to electrolyze and vaporize, resulting in a large number of pores and cracks in the welding part, further weakening the welding quality. In addition, when the welding liquid directly contacts the low-temperature metal pipe during welding, it is easy to quickly solidify, resulting in large internal stresses in the welding area, reducing the strength of the welding area, and even causing degradation of material properties. Summary of the Invention

[0004] The purpose of the present invention is to provide an auxiliary welding device for steel round pipes of wind power jacket frames to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An auxiliary welding device for steel round pipes of wind power jacket frames includes a metal pipe. Symmetrically fixed mounting seats are provided on the upper and lower sides of the metal pipe. A plurality of guide grooves are circumferentially and equidistantly formed on the upper surface of the mounting seat. A pressing block is slidably sleeved in the middle of each of the plurality of guide grooves. The pressing block is made of a magnetic material and moves along the horizontal direction. A pushing block is slidably sleeved on the side of each of the plurality of guide grooves away from the metal pipe. The pushing block moves along the vertical direction. The pushing block is in sliding contact with the pressing block. The contact surface between the pushing block and the pressing block is an inclined surface. A curved rod is slidably sleeved in the middle of the pushing block. The adjacent ends of two adjacent upper and lower curved rods are movably sleeved with a movable seat. A guide block is fixedly installed on the side of the movable seat away from the metal pipe. An extrusion mechanism is provided between the movable seat and the upper and lower mounting seats. A dehumidification mechanism is symmetrically fixedly installed on the upper surface of the upper mounting seat. Reinforcing plates are adsorbed on the inner sides of two adjacent upper and lower pressing blocks. The metal pipe is clamped in the middle of the plurality of reinforcing plates.

[0006] Preferably, the extrusion mechanism includes a plurality of connecting blocks. The plurality of connecting blocks are fixedly installed on the outer side surface of the mounting seat at equal circumferential intervals. On the side of adjacent upper and lower connecting blocks away from the mounting seat, a limiting plate is fixedly installed. On the upper part of the outer curved surface of the limiting plate, a first rotating seat is fixedly installed. In the middle of the first rotating seat, a pressing rod is movably sleeved. The pressing rod is in sliding contact with the guiding block. At the bottom end of the pressing rod, a pulling rod is movably sleeved. At the bottom end of the pulling rod, a second rotating seat is movably sleeved. On the inner curved surface of the plurality of second rotating seats, a sleeve ring is fixedly installed. The sleeve ring is slidably sleeved on the outer curved surfaces of the plurality of limiting plates. On the bottom surface of the sleeve ring, two third rotating seats are symmetrically fixedly installed. In the middle of the two third rotating seats, a pressing handle is movably sleeved. At the end of the pressing handle close to the bottom mounting seat, a fourth rotating seat is movably sleeved. The fourth rotating seat is fixedly installed on the bottom surface of the bottom mounting seat.

[0007] Preferably, the mounting seat includes two half seats. The two half seats are symmetrically arranged. The mounting seat is composed of the combination of two half seats. On the outer curved surfaces of the two half seats, two threaded blocks are symmetrically and fixedly installed. In the middle of the two threaded blocks on the same side, a fixing screw is threadedly connected.

[0008] Preferably, the sleeve ring includes two half rings. The two half rings are symmetrically arranged. The sleeve ring is composed of the combination of two half rings. At the connection of the two half rings, a connecting sleeve is slidably sleeved.

[0009] Preferably, the dehumidification mechanism includes a heating chamber. The heating chamber is fixedly installed on the upper surface of the upper half seat. On the upper and lower parts of the inner cavity of the heating chamber on the side away from the metal pipe, elastic rings are fixedly installed. On the side of the two elastic rings close to the metal pipe, a plurality of heat conducting plates are fixedly installed at equal circumferential intervals. The heat conducting plates are slidably sleeved in the heating chamber. The heat conducting plates are in sliding contact with the round pipe. On the upper part of the inner cavity of the heating chamber on the side away from the metal pipe, a top cover is fixedly sleeved. On the side of the top of the heating chamber close to the metal pipe, a rubber sleeve is fixedly installed.

[0010] Preferably, the limiting plate is made of a hard material. The distance from the end of the pressing handle away from the metal pipe to the third rotating seat is greater than the distance from the connection of the pressing handle and the fourth rotating seat to the third rotating seat.

[0011] Preferably, chemical powder that generates a large amount of heat when reacting with water is provided in the inner cavity of the heating chamber. The heat conducting plates are made of heat conducting materials. The rubber sleeve is made of rubber materials.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. When pressing the end of the pressing handle away from the metal tube downward in the present invention, the pressing block drives multiple strengthening plates to move synchronously towards the metal tube. At the same time, the center lines of the multiple strengthening plates remain unchanged. When the upper part of the welding gap of the metal tube bends and inclines relative to the lower part of the welding gap of the metal tube, then the multiple strengthening plates take the lower part of the welding gap of the metal tube as a reference, and the strengthening plates correct the upper part of the welding gap of the metal tube, so that the center line of the upper part of the welding gap of the metal tube coincides with the center line of the lower part of the welding gap of the metal tube. Conversely, the lower part of the welding gap of the metal tube is corrected, thus solving the problem that when cracks appear in the metal tube under the external forces of wind and rain corrosion, the structural strength at the crack of the metal tube weakens and bends. At this time, after directly welding the crack, the pressure received at the welded part in the bending direction of the metal tube is always greater than other areas, resulting in the metal tube being prone to breakage in the later stage.

[0014] 2. In addition, when the center lines of the upper part and the lower part of the welding gap of the metal tube are aligned, then the strengthening plates are welded to the metal tube along the middle parts of two adjacent strengthening plates, thereby realizing the circumferentially equidistant fixed welding of multiple strengthening plates at the welded part of the metal tube. At this time, the high-strength strengthening plates increase the tensile strength at the welded part of the metal tube, enabling it to withstand greater tensile forces. At the same time, the anti-bending and anti-twisting capabilities at the welded part of the metal tube are improved, and its structural stability is enhanced, overcoming the problem that the metal tube bends and breaks again at the welded part due to insufficient strength.

[0015] 3. The mounting seat in the present invention drives the rubber sleeve on the dehumidifying mechanism to closely fit the curved surface of the metal tube. When the metal tube is in a vertical state and water droplets condensed in the air adhere to its surface, at this time, when knocking on the metal tube, the water droplets adhering to the surface of the metal tube slide downward along the outer curved surface of the metal tube under the action of the vibration of the metal tube, and flow into the inner cavity of the heating chamber through the upper surface of the rubber sleeve, contact and react with the quicklime in the inner cavity of the heating chamber to generate heat. The generated heat is transferred to the surface of the metal tube through the heat conducting plate to heat the metal tube, so that the moisture at the welded part of the metal tube is completely evaporated. At the same time, it avoids the problem that moisture in the air condenses at the welded part again, and avoids the electrolytic gasification of the moisture condensed at the welded part of the metal tube caused by the electric arc and high temperature generated during welding, resulting in a large number of pores or cracks at the welded part. At the same time, by preheating the welded part in advance, it avoids the contact between the welding liquid and the low-temperature metal tube, rapid solidification, the increase of internal stress at the welded part, and the reduction of strength. At the same time, it avoids carrying heavy heating devices and alignment devices during high-altitude welding, facilitating efficient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall external structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the extrusion mechanism structure of the present invention;

[0018] Figure 3 This is a schematic structural diagram of the movable seat of the present invention;

[0019] Figure 4 This is a schematic structural diagram of the dehumidification mechanism of the present invention;

[0020] Figure 5 This is a schematic structural diagram of the half seat of the present invention.

[0021] In the figure: 1, metal pipe; 2, mounting seat; 201, half seat; 202, threaded block; 203, fixing screw; 3, pressing block; 4, pushing block; 5, curved rod; 6, movable seat; 7, guiding block; 8, extrusion mechanism; 801, connecting block; 802, limiting plate; 803, first rotating seat; 804, pressing rod; 805, pull rod; 806, second rotating seat; 807, collar; 8071, half ring; 8072, connecting sleeve; 808, third rotating seat; 809, pressing handle; 810, fourth rotating seat; 9, dehumidification mechanism; 901, heating chamber; 902, elastic ring; 903, heat conducting plate; 904, top cover; 905, rubber sleeve; 10, reinforcement plate. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 5 shown, the embodiment of the present invention provides a wind power jacket steel circular pipe auxiliary welding device, including a metal pipe 1. Symmetrically fixed mounting seats 2 are provided on the upper and lower sides of the metal pipe 1. The mounting seat 2 includes two half seats 201, and the two half seats 201 are symmetrically arranged. The mounting seat 2 is formed by combining two half seats 201. Two threaded blocks 202 are symmetrically and fixedly installed on the outer curved surfaces of the two half seats 201. A fixing screw 203 is threadedly connected to the middle of the two threaded blocks 202 on the same side. A plurality of guiding grooves are circumferentially and equidistantly fixedly opened on the upper surface of the mounting seat 2. A pressing block 3 is slidably sleeved in the middle of each of the plurality of guiding grooves. The pressing block 3 is made of a magnetic material and is made of a magnet, so as to realize that the pressing block 3 adsorbs the reinforcement plate 10 on its inner side surface, which is convenient for the installation and unloading of the reinforcement plate 10. At the same time, according to the metal pipe 1 with different outer diameters, the reinforcement plate 10 with different inner curved surface arcs is replaced, so that the reinforcement plate 10 closely adheres to the outer curved surface of the metal pipe 1, reducing the local pressure between the reinforcement plate 10 and the metal pipe 1, avoiding the pressing block 3 from damaging the surface of the metal pipe 1, and at the same time enabling a plurality of reinforcement plates 10 to clamp the metal pipes 1 with different diameters;

[0024] Among them, the briquette 3 moves along the horizontal direction. A push block 4 is slidably sleeved on the side of each of the plurality of guide grooves away from the metal pipe 1. The push block 4 moves along the vertical direction. The push block 4 is in sliding contact with the briquette 3. The contact surface between the push block 4 and the briquette 3 is an inclined surface. Thus, when the push block 4 moves towards the briquette 3 with which it is in sliding contact, the push block 4 pushes the briquette 3 towards the metal pipe 1. The briquette 3 pushes the strengthening plate 10 to clamp the metal pipe 1, and at the same time reduces the frictional resistance between the push block 4 and the briquette 3, thereby reducing the force required to subsequently press the end of the pressing handle 809 away from the metal pipe 1 downwards, facilitating subsequent manual operation. A curved rod 5 is slidably sleeved in the middle of the push block 4. One end of two adjacent upper and lower curved rods 5 is movably sleeved with a movable seat 6. A guide block 7 is fixedly installed on the side of the movable seat 6 away from the metal pipe 1. An extrusion mechanism 8 is provided between the movable seat 6 and the upper and lower two mounting seats 2;

[0025] As Figure 1 and Figure 2 shown, the extrusion mechanism 8 includes a plurality of connecting blocks 801. The plurality of connecting blocks 801 are fixedly installed on the outer side surface of the mounting seat 2 at equal circumferential intervals. A limiting plate 802 is fixedly installed on the side of two adjacent upper and lower connecting blocks 801 away from the mounting seat 2. The limiting plate 802 is made of a hard material. The limiting plate 802 is made of high-carbon steel. Thus, when the mounting seat 2 corrects the upper part and the lower part of the welding gap of the metal pipe 1 through the push block 4, the briquette 3 and the strengthening plate 10, the limiting plate 802 will not bend due to insufficient hardness, resulting in the dislocation of the upper and lower two mounting seats 2, causing the center lines of the upper part and the lower part of the welding gap of the metal pipe 1 to be unable to be accurately aligned, resulting in a reduction in the strength of the welding part of the subsequent metal pipe 1;

[0026] Among them, a first swivel base 803 is fixedly installed on the upper part of the outer curved surface of the limit plate 802. A pressure rod 804 is movably sleeved in the middle of the first swivel base 803. The pressure rod 804 is in sliding contact with the guide block 7. A pull rod 805 is movably sleeved at the bottom end of the pressure rod 804. A second swivel base 806 is movably sleeved at the bottom end of the pull rod 805. The inner curved surfaces of a plurality of second swivel bases 806 are fixedly installed with collar rings 807. The collar rings 807 are slidably sleeved on the outer curved surfaces of the plurality of limit plates 802. Two third swivel bases 808 are symmetrically and fixedly installed on the bottom surface of the collar ring 807. A pressure handle 809 is movably sleeved in the middle of the two third swivel bases 808. A fourth swivel base 810 is movably sleeved at one end of the pressure handle 809 close to the bottom mounting base 2. The distance from the end of the pressure handle 809 away from the metal pipe 1 to the third swivel base 808 is greater than the distance from the connection of the pressure handle 809 and the fourth swivel base 810 to the third swivel base 808. Thus, by using the lever principle, when pressing down the end of the pressure handle 809 away from the metal pipe 1 to drive the push block 4 to squeeze and correct the upper part and the lower part of the welding gap of the metal pipe 1 through the pressure block 3 and the reinforcing plate 10, the effort required is reduced, and it is realized that the upper part and the lower part of the welding gap of the metal pipe 1 can be squeezed and corrected by manpower, avoiding carrying large-volume industrial correction equipment during high-altitude welding operations. The fourth swivel base 810 is fixedly installed on the bottom surface of the bottom mounting base 2. A dehumidifying mechanism 9 is symmetrically and fixedly installed on the upper surface of the upper mounting base 2. Reinforcing plates 10 are adsorbed on the inner sides of the upper and lower adjacent pressure blocks 3. The metal pipe 1 is clamped in the middle of a plurality of reinforcing plates 10.

[0027] As Figure 1 and Figure 2 shown, the collar ring 807 includes two half rings 8071 which are symmetrically arranged. The collar ring 807 is formed by combining the two half rings 8071. A connecting sleeve 8072 is slidably sleeved at the connection of the two half rings 8071. Thus, after sliding the connecting sleeve 8072 to any side, the two half rings 8071 can be separated or combined together with the two half seats 201, facilitating the installation and disassembly of the welding device.

[0028] As Figure 1 and Figure 4As shown in the figure, the dehumidification mechanism 9 includes a heating chamber 901. The heating chamber 901 is fixedly installed on the upper surface of the upper half seat 201. Inside the heating chamber 901, there is a chemical powder that generates a large amount of heat when reacting with water. The chemical powder can be quicklime, which can reduce the welding cost. At the same time, when working at high altitudes, it can reduce the weight of the carried items and avoid carrying heavy heating equipment that requires power sources, etc. On the upper and lower parts of the side of the inner cavity of the heating chamber 901 away from the metal pipe 1, elastic rings 902 are fixedly installed. On the side of the two elastic rings 902 close to the metal pipe 1, a plurality of heat conduction plates 903 are fixedly installed at equal intervals in the circumferential direction. The heat conduction plates 903 are made of heat-conducting materials, and the heat conduction plates 903 are made of copper alloy. Thus, the heat conduction plates 903 can quickly transfer the heat generated by the reaction of quicklime and water to the surface of the metal pipe 1, so that the moisture in the welding area of the metal pipe 1 evaporates quickly, improving the welding efficiency. The heat conduction plates 903 are slidably sleeved with the heating chamber 901, and the heat conduction plates 903 are in sliding contact with the round pipe. On the upper part of the side of the inner cavity of the heating chamber 901 away from the metal pipe 1, a top cover 904 is fixedly sleeved. On the side of the top of the heating chamber 901 close to the metal pipe 1, a rubber sleeve 905 is fixedly installed. The rubber sleeve 905 is made of rubber material, and the rubber sleeve 905 is made of flexible rubber. Thus, when the two half seats 201 are combined, the rubber sleeve 905 can closely fit the curved surface of the metal pipe 1, preventing the water droplets above the rubber sleeve 905 on the outer curved surface of the metal pipe 1 from sliding down to the lower welding area.

[0029] Working principle:

[0030] When the present invention is used, first place a plurality of reinforcement plates 10 on the inner curved surfaces of multiple groups of upper and lower adjacent pressing blocks 3 respectively. At this time, the pressing blocks 3 adsorb the reinforcement plates 10 and fit tightly with them. Then, the metal pipe 1 is sleeved in the middle of the multiple reinforcement plates 10 through the left and right groups of half seats 201, and the gap of the metal pipe 1 to be welded is placed in the middle of the upper and lower groups of half seats 201. Then rotate the fixing screw 203. The fixing screw 203 merges the upper and lower groups of half seats 201 through the threaded block 202, so that the upper and lower groups of threaded blocks 202 form a complete installation seat 2. At the same time, move the connecting sleeve 8072 to the joint of the two half rings 8071, realizing the rapid assembly of the welding device at any position of the metal pipe 1 that needs to be welded, avoiding the problem that the welding device needs to move from the bottom or top of the metal pipe 1 to the welding position, resulting in difficult installation and low efficiency of the welding device when the distance between the welding position and the top or bottom of the metal pipe 1 is too far.

[0031] When the welding device combination is completed and the welding device is in the middle of the gap to be welded, press down on the end of the pressing handle 809 away from the metal pipe 1. At this time, the pressing handle 809 pulls the third rotating seat 808 downward, the third rotating seat 808 pulls the collar 807 downward, the collar 807 pulls the second rotating seat 806 downward, the second rotating seat 806 pulls the pull rod 805 downward, the pull rod 805 pulls the bottom end of the pressing rod 804 to rotate towards the metal pipe 1, the pressing rod 804 presses the guiding block 7 to move towards the metal pipe 1, the guiding block 7 pushes the movable seat 6 to move towards the metal pipe 1, the movable seat 6 pushes the top end of the upper curved rod 5 upward, the bottom end of the lower curved rod 5 downward, the upper curved rod 5 pushes the push block 4 in sliding contact with it upward, the lower curved rod 5 pushes the push block 4 sleeved on it downward, the push block 4 pushes the pressing block 3 to move towards the metal pipe 1, the pressing block 3 pushes the strengthening plate 10 to move towards the metal pipe 1. Thus, while multiple strengthening plates 10 move synchronously towards the metal pipe 1, the centerlines of the multiple strengthening plates 10 remain unchanged. At this time, when the upper part of the gap to be welded of the metal pipe 1 is bent and inclined relative to the lower part of the gap to be welded of the metal pipe 1, then the multiple strengthening plates 10 use the lower part of the gap to be welded of the metal pipe 1 as a reference, and the strengthening plates 10 correct the upper part of the gap to be welded of the metal pipe 1, so that the centerline of the upper part of the gap to be welded of the metal pipe 1 coincides with the centerline of the lower part of the gap to be welded of the metal pipe 1;

[0032] Conversely, when the lower part of the gap to be welded of the metal pipe 1 is bent and inclined relative to the upper part of the gap to be welded of the metal pipe 1, the strengthening plates 10 correct the lower part of the gap to be welded of the metal pipe 1, thus solving the problem that when the metal pipe 1 has cracks under the external forces of wind and rain corrosion, the structural strength at the crack of the metal pipe 1 is weakened and it bends. At this time, after directly welding the crack, the pressure on the welded part in the bending direction of the metal pipe 1 is always greater than other areas, resulting in the metal pipe 1 being prone to breakage in the later stage. In addition, when the centerlines of the upper part and the lower part of the gap to be welded of the metal pipe 1 are aligned, at this time, the strengthening plates 10 are welded to the metal pipe 1 along the middle parts of two adjacent strengthening plates 10, thus realizing circumferentially equidistant fixed welding of multiple strengthening plates 10 at the welded part of the metal pipe 1. At this time, the high-strength strengthening plates 10 increase the tensile strength at the welded part of the metal pipe 1, enabling it to withstand greater tensile forces, and at the same time improving the anti-bending and anti-twisting capabilities at the welded part of the metal pipe 1, enhancing its structural stability, and overcoming the problem that the metal pipe 1 bends and breaks again at the welded part due to insufficient strength;

[0033] At this time, when the present invention rotates the fixing screw 203 and combines the upper and lower sets of half seats 201, the two upper half seats 201 drive the rubber sleeve 905 on the dehumidifying mechanism 9 to closely fit the side surface of the metal pipe 1. At the same time, the elastic ring 902 pushes the heat conducting plate 903 to closely fit the curved surface of the metal pipe 1. When the metal pipe 1 is in a vertical state and there are water droplets condensed from the air adhering to its surface, at this time, when the metal pipe 1 is tapped, the water droplets adhering to the surface of the metal pipe 1 slide downward along the outer curved surface of the metal pipe 1 under the action of the vibration of the metal pipe 1 and flow into the inner cavity of the heating chamber 901 through the upper surface of the rubber sleeve 905, and contact and react with the quicklime in the inner cavity of the heating chamber 901 to generate heat. The generated heat is transferred to the surface of the metal pipe 1 through the heat conducting plate 903 to heat the metal pipe 1, so that the moisture at the welded joint of the metal pipe 1 is completely evaporated. At the same time, the problem of moisture in the air condensing again at the welded joint is avoided. When welding the metal pipe 1, the arc and high temperature generated by welding cause the moisture condensed at the welded joint of the metal pipe 1 to electrolyze and vaporize, resulting in a large number of pores or cracks at the welded joint. At the same time, by preheating the welded joint in advance, the contact between the welding liquid and the low-temperature metal pipe 1 is avoided, and rapid solidification is prevented, which causes an increase in internal stress and a decrease in strength at the welded joint. At the same time, when welding at high altitude, the problem of carrying heavy heating devices and alignment devices is avoided, which is convenient for efficient operation.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary welding device for the steel circular pipe of a wind power jacket, comprising a metal pipe (1), characterized in that: On the upper and lower sides of the metal pipe (1), mounting seats (2) are symmetrically and fixedly arranged. On the upper surface of the mounting seat (2), a plurality of guiding grooves are fixedly arranged at equal intervals in the circumferential direction. In the middle of each of the plurality of guiding grooves, a pressing block (3) is slidably sleeved. The pressing block (3) is made of a magnetic material and moves along the horizontal direction. On one side of each of the plurality of guiding grooves away from the metal pipe (1), a pushing block (4) is slidably sleeved. The pushing block (4) moves along the vertical direction. The pushing block (4) is in sliding contact with the pressing block (3). The contact surface between the pushing block (4) and the pressing block (3) is an inclined surface. In the middle of the pushing block (4), a curved rod (5) is slidably sleeved. One end of two adjacent curved rods (5) adjacent to each other is movably sleeved with a movable seat (6). On one side of the movable seat (6) away from the metal pipe (1), a guiding block (7) is fixedly installed. Between the movable seat (6) and the upper and lower mounting seats (2), an extrusion mechanism (8) is provided. On the upper surface of the upper mounting seat (2), a dehumidifying mechanism (9) is symmetrically and fixedly installed. On the inner sides of two adjacent pressing blocks (3) above and below, a strengthening plate (10) is adsorbed. The metal pipe (1) is clamped in the middle of a plurality of strengthening plates (10). The extrusion mechanism (8) includes a plurality of connecting blocks (801). The plurality of connecting blocks (801) are fixedly installed on the outer side surface of the mounting seat (2) at equal intervals in the circumferential direction. On one side of two adjacent connecting blocks (801) above and below away from the mounting seat (2), a limiting plate (802) is fixedly installed. On the upper part of the outer curved surface of the limiting plate (802), a first rotating seat (803) is fixedly installed. In the middle of the first rotating seat (803), a pressing rod (804) is movably sleeved. The pressing rod (804) is in sliding contact with the guiding block (7). At the bottom end of the pressing rod (804), a pulling rod (805) is movably sleeved. At the bottom end of the pulling rod (805), a second rotating seat (806) is movably sleeved. On the inner curved surface of a plurality of the second rotating seats (806), a sleeve ring (807) is fixedly installed. The sleeve ring (807) is slidably sleeved on the outer curved surfaces of a plurality of the limiting plates (802). On the bottom surface of the sleeve ring (807), two third rotating seats (808) are symmetrically and fixedly installed. In the middle of the two third rotating seats (808), a pressing handle (809) is movably sleeved. At one end of the pressing handle (809) close to the bottom mounting seat (2), a fourth rotating seat (810) is movably sleeved. The fourth rotating seat (810) is fixedly installed on the bottom surface of the bottom mounting seat (2).

2. The auxiliary welding device for the steel round pipe of a wind power jacket according to claim 1, wherein: The mounting seat (2) includes two half seats (201). The two half seats (201) are symmetrically arranged. The mounting seat (2) is composed of the combination of two half seats (201). On the outer curved surfaces of the two half seats (201), two threaded blocks (202) are symmetrically and fixedly installed. In the middle of two threaded blocks (202) on the same side, a fixing screw (203) is threadedly connected.

3. The auxiliary welding device for the steel round pipe of a wind power jacket according to claim 1, wherein: The collar (807) includes two half-rings (8071), the two half-rings (8071) are symmetrically arranged, the collar (807) is formed by combining two half-rings (8071), and a connecting sleeve (8072) is slidably sleeved at the connection of the two half-rings (8071).

4. The auxiliary welding device for the steel circular pipe of a wind power jacket according to claim 1, characterized in that: The dehumidification mechanism (9) includes a heating chamber (901), the heating chamber (901) is fixedly installed on the upper surface of the upper half base (201), elastic rings (902) are fixedly installed on both the upper and lower parts of the inner cavity of the heating chamber (901) on the side far from the metal tube (1), a plurality of heat conduction plates (903) are fixedly installed at equal intervals in the circumferential direction on the side of the two elastic rings (902) close to the metal tube (1), the heat conduction plates (903) are slidably sleeved with the heating chamber (901), the heat conduction plates (903) are in sliding contact with the circular tube, a top cover (904) is fixedly sleeved on the upper part of the inner cavity of the heating chamber (901) on the side far from the metal tube (1), and a rubber sleeve (905) is fixedly installed on the top of the heating chamber (901) on the side close to the metal tube (1).

5. An auxiliary welding device for a steel circular tube of a wind power jacket, characterized in that: The limiting plate (802) is made of a hard material, and the distance from the end of the pressing handle (809) far from the metal tube (1) to the third rotating seat (808) is greater than the distance from the connection of the pressing handle (809) and the fourth rotating seat (810) to the third rotating seat (808).

6. The auxiliary welding device for steel round tubes of a wind power jacket according to claim 4, characterized in that: Chemical powder that generates a large amount of heat when reacting with water is provided in the inner cavity of the heating chamber (901), the heat conduction plate (903) is made of a heat-conducting material, and the rubber sleeve (905) is made of a rubber material.

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