Steel pipe pole girth welding tool capable of conducting auxiliary butt joint

Abstract

The invention relates to the technical field of welding tools, and provides a steel pipe pole girth welding tool capable of carrying out auxiliary butt joint, the steel pipe pole girth welding tool comprises a support fixedly mounted on the ground, and an adjusting structure is fixedly mounted on the ground on the inner side of the support. By arranging the first fine adjustment structure and rotating the first threaded sleeve, the first threaded rods at the two ends of the first threaded sleeve get close to each other or are separated from each other, and then the first threaded rods drive the swing base to swing up and down through the hinge rod and the hinge base, so that the vertical angle of the butt joint of the two sets of steel pipe rods is finely adjusted, and accurate butt joint is facilitated; a second threaded sleeve is rotated, so that second threaded rods at the two ends of the second threaded sleeve are close to or separated from each other, and then the second threaded rods drive a swing seat to rotate through a second connecting rod, so that the horizontal angle of the butt joints of the two groups of steel pipe rods is finely adjusted, the butt joint precision is further improved, and the two steel pipe butt joints are in full contact; and empty lifting of a welding seam is avoided, and the welding quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding tools, in particular to a steel pipe rod circumferential seam welding tool capable of performing auxiliary butt jointing. Background Art

[0002] Steel pipe rods are widely used in the fields of electricity, communication, transportation, etc., and girth welding is an important link in the manufacturing process of steel pipe rods. Its quality directly affects the strength and stability of steel pipe rods. Therefore, a steel pipe rod girth welding tool that can assist in docking is used during welding.

[0003] To this end, the patent with the authorization announcement number CN118218901A discloses a fixture clamp for steel pipe welding, which belongs to the technical field of welding fixture clamps. The fixture clamp for steel pipe welding includes: a placement table, a double-ended screw, a first motor fixedly connected to the placement table, a threaded sleeve threadedly connected to the double-ended screw, the output shaft of the first motor and the surface of the double-ended screw are fixedly connected with a first bevel gear that meshes with each other, and also includes a clamping mechanism and a clamping force adjustment mechanism, and the clamping mechanism is arranged on the threaded sleeve; the clamping mechanism in the present invention uses multiple contact parts to simultaneously perform multi-point positioning in the steel pipe, so that the steel pipe and the clamping mechanism are in a connected state, and at the same time, under the action of the gravity of the steel pipe itself, the height can be automatically adjusted, the steel pipe can be stably placed on the support plate, and under the action of two mounting rings and the support plate at the same horizontal height, the two steel pipes to be welded are adjusted to a concentric and non-deviation state, reducing the difficulty of steel pipe docking and improving the accuracy of docking;

[0004] The above-mentioned steel pipe welding fixture clamp adjusts the two steel pipes to a cocentric and non-deviation state through a clamping mechanism, but it is inconvenient to fine-tune the angle of the steel pipe joint. During use, the steel pipe rod is affected by the length, and partial gaps will appear on the contact surfaces of the butt joints of the two steel pipe rods when they are butt-jointed, resulting in the two butt joints not being able to fully contact. The gap after welding will directly affect the welding quality, making it less suitable for use. Summary of the invention

[0005] The purpose of the invention is to provide a steel pipe rod circumferential seam welding tool capable of assisting butt jointing, so as to solve the defect that the existing steel pipe rod circumferential seam welding tool is inconvenient to fine-tune the angle of the steel pipe butt joint.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a steel pipe rod circumferential seam welding tool capable of assisting butt jointing, comprising a bracket fixedly mounted on the ground;

[0007] An adjustment structure is fixedly installed on the ground inside the bracket, and the adjustment structure includes an electric push rod, a fixed rod and a first connecting rod. The electric push rod is fixedly installed on the ground inside the bracket, one end of the electric push rod extends to the outside of the bracket and is fixedly installed with the fixed rod, and the fixed rod is evenly rotated and connected to the first connecting rod on one side away from the bracket;

[0008] A first base is fixed to the ground at both ends of the fixed rod, a swing structure is fixed to the ground inside the first base, a fixed seat is fixed to the first base and the side of the top of the swing structure away from the bracket, a movable structure is provided on the first base and the side of the top of the swing structure close to the bracket, the movable structure includes a movable seat, a sliding rod and a connecting groove, the movable seat is arranged on the first base and the side of the top of the swing structure close to the bracket, the sliding rod runs through both sides of the inside of the movable seat, a connecting groove is provided at the middle position of the bottom end of the movable seat, and the tops of the movable seat and the fixed seat are fixedly installed with a supporting structure;

[0009] A second fine-tuning structure is disposed on a side of the swing structure away from the bracket, and a first fine-tuning structure is disposed at a corner position of the swing structure on one side of the second fine-tuning structure.

[0010] Preferably, one end of the slide rod is fixedly connected to one side of the fixed seat, the movable seat and the slide rod are slidably connected, and the inner side wall at the top of the connecting groove is hinged to one end of the first connecting rod.

[0011] Preferably, the support structure includes support rollers, support rods, bearings, support seats, I-beams and clamps. The support rollers are arranged directly above the movable seat and the fixed seat. Support rods penetrate the interior of the support rollers. Bearings are fixed on the outer walls of the support rods at both ends of the support rollers. Support seats are arranged on both sides of the bottom end of the support rods. I-beams are fixed to the bottom ends of the support seats. A clamp is installed on the outer side of the support rod at the top end of the support seat by bolts.

[0012] Preferably, the support roller and the support rod are rotatably connected via bearings, reserved grooves are provided at both ends of the bottom of the support rod, the support rod and the support seat are in contact with each other via the reserved grooves, and the bottom end of the I-beam is fixedly connected to the top of the movable seat and the fixed seat respectively.

[0013] Preferably, the swing structure includes a swing seat, a second base, a spherical protrusion and a connecting seat, the second base is fixed to the ground inside the first base, a spherical protrusion is fixed to the top of the second base, a connecting seat is provided on the outer side of the top of the spherical protrusion, and a swing seat is fixed to the top of the connecting seat.

[0014] Preferably, one side of the top of the swing seat is fixedly connected to the bottom of the fixed seat, the other side of the top of the swing seat abuts against the bottom of the movable seat, and the spherical protrusion is slidably connected to the spherical surface of the connecting seat.

[0015] Preferably, the first fine-tuning structure includes a first threaded sleeve, a first threaded rod, a hinged rod and a hinged seat. The first threaded sleeve is arranged at a corner position on one side of the swing seat. Both ends of the first threaded sleeve are threadedly connected to the first threaded rod. Both sides of one end of the first threaded rod are hinged to the hinged rod, and one end of the hinged rod is hinged to the hinged seat.

[0016] Preferably, the thread directions of the first threaded rods at both ends of the first threaded sleeve are opposite, one end of the hinged seat above both ends of the first threaded sleeve extends to the interior of the swing seat and is hinged to the swing seat, and one end of the hinged seat below both ends of the first threaded sleeve extends to the interior of the second base and is hinged to the second base.

[0017] Preferably, the second fine-tuning structure includes a second threaded sleeve, a second threaded rod and a second connecting rod. The second threaded sleeve is arranged on the side of the swing seat away from the bracket. Both ends of the second threaded sleeve are threadedly connected to the second threaded rod, and one end of the second threaded rod is hinged to the second connecting rod.

[0018] Preferably, the thread directions of the second threaded rods at both ends of the second threaded sleeve are opposite, and one end of the second connecting rod is rotatably connected to one side of the swing seat.

[0019] The invention provides a steel pipe rod circumferential seam welding tool capable of assisting butt jointing, which has the advantages of:

[0020] By providing a first fine-tuning structure, the first threaded sleeve is rotated to make the first threaded rods at both ends of the first threaded sleeve approach or separate from each other, and then the first threaded rod drives the swing seat to swing up and down through the hinge rod and the hinge seat, so as to fine-tune the vertical angle of the joint of the two steel pipe rods, so as to facilitate their precise docking;

[0021] Furthermore, the second threaded sleeve is rotated to make the second threaded rods at both ends of the second threaded sleeve approach or separate from each other, and then the second threaded rod drives the swing seat to rotate through the second connecting rod, so as to fine-tune the horizontal angle of the joint of the two steel pipe rods, further improve the docking accuracy, make the two steel pipe joints fully contact, avoid empty lifting of the weld, and improve the welding quality;

[0022] Furthermore, when the electric push rod is started, the electric push rod drives the moving seat to move through the fixed rod and the first connecting rod, so that the spacing between the two sets of support rollers changes, thereby enabling the device to support steel pipe rods of different diameters. At the same time, the first connecting rod is hinged to the inner side wall of the moving seat, thereby preventing the first connecting rod from interfering with the displacement of the moving seat during the angle fine-tuning process.

[0023] Furthermore, the support roller is rotatably sleeved on the outside of the support rod through the bearing, so that the support rod supports the weight of the steel pipe rod, thereby extending the service life of the support roller. At the same time, the support rod and the support seat are in conflict with each other through the reserved groove, so that the support rod is more stable when installed with the support seat.

[0024] Furthermore, the spherical projection and the spherical sliding connection of the connecting seat enable the swing seat to swing flexibly above the second base when fine-tuning the angle of the steel pipe rod joint, thereby facilitating full contact of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view schematic diagram of the present invention;

[0026] Figure 2 It is a bottom view schematic diagram of the present invention;

[0027] Figure 3 It is a rear view schematic diagram of the present invention;

[0028] Figure 4 It is a schematic front view of the regulating structure of the present invention;

[0029] Figure 5 It is a partial bottom view schematic diagram of the adjustment structure of the present invention;

[0030] Figure 6 It is a schematic diagram of a front cross-section of the support structure of the present invention;

[0031] Figure 7 It is a schematic diagram of a front cross-section of the swing structure of the present invention;

[0032] Figure 8 is a bottom-view cross-sectional schematic diagram of a first fine-tuning structure of the present invention;

[0033] Fig. 9 is a schematic cross-sectional front view of a first fine-tuning structure of the present invention;

[0034] Fig.10 It is a top cross-sectional schematic diagram of the second fine-tuning structure of the present invention.

[0035] Explanation of the reference numerals in the figure: 1. bracket; 2. adjustment structure; 21. electric push rod; 22. fixed rod; 23. first connecting rod; 3. first base; 4. movable structure; 41. movable seat; 42. sliding rod; 43. connecting groove; 5. fixed seat; 6. supporting structure; 61. supporting roller; 62. supporting rod; 63. bearing; 64. supporting seat; 65. I-beam; 66. clamp; 7. swing structure; 71. swing seat; 72. second base; 73. spherical bump; 74. connecting seat; 8. first fine-tuning structure; 81. first threaded sleeve; 82. first threaded rod; 83. articulated rod; 84. articulated seat; 9. second fine-tuning structure; 91. second threaded sleeve; 92. second threaded rod; 93. second connecting rod. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-Figure 10 The present invention provides a steel pipe rod circumferential seam welding tool for auxiliary butt jointing, comprising a bracket 1 fixedly installed on the ground.

[0038] Reference Figure 1-Figure 5 As shown, an adjustment structure 2 is fixedly installed on the ground inside the bracket 1, and the adjustment structure 2 includes an electric push rod 21, a fixed rod 22 and a first connecting rod 23. The electric push rod 21 is fixedly installed on the ground inside the bracket 1, one end of the electric push rod 21 extends to the outside of the bracket 1 and is fixedly installed with the fixed rod 22, and the fixed rod 22 is evenly rotated and connected to the first connecting rod 23 on the side away from the bracket 1. First bases 3 are fixed on the ground at both ends of the fixed rod 22, and the first base 3 and the side of the top of the swing structure 7 away from the bracket 1 are fixed with a fixed seat 5. A movable structure 4 is provided on one side of the top of the seat 3 and the swing structure 7 close to the bracket 1, and the movable structure 4 includes a movable seat 41, a slide rod 42 and a connecting groove 43. The movable seat 41 is provided on one side of the top of the first base 3 and the swing structure 7 close to the bracket 1, and the slide rod 42 penetrates both sides of the inside of the movable seat 41. A connecting groove 43 is provided at the middle position of the bottom end of the movable seat 41, one end of the slide rod 42 is fixedly connected to one side of the fixed seat 5, the movable seat 41 and the slide rod 42 are slidably connected, and the inner side wall at the top of the connecting groove 43 is hinged to one end of the first connecting rod 23.

[0039] When in use, the bracket 1, the electric push rod 21, the first base 3 and the second base 72 are fixed on the ground, and the welding robot is installed on the top of the bracket 1. The electric push rod 21 is started, and the electric push rod 21 will drive the first connecting rod 23 to move through the fixed rod 22. The first connecting rod 23 will drive the moving seat 41 to slide on the top of the first base 3 and the swing seat 71. Under the guidance of the slide rod 42, the moving seat 41 and the support roller 61 above the corresponding fixed seat 5 are always in a parallel state. According to the diameter of the steel pipe rod, the moving seat 41 is moved to a suitable position so that two adjacent groups of support rollers 61 are located on both sides of the bottom of the steel pipe rod, and the two steel pipe rods are placed on the top of the support roller 61, so that the support roller 61 stably supports the steel pipe rod. At the same time, the butt joint of the two steel pipe rods is located on one side of the bracket 1, which is convenient for the welding robot to weld the annular seam.

[0040] Reference Figure 1 and Figure 6 As shown, the tops of the movable seat 41 and the fixed seat 5 are fixedly installed with a support structure 6, and the support structure 6 includes a support roller 61, a support rod 62, a bearing 63, a support seat 64, an I-beam 65 and a hoop 66. The support roller 61 is arranged directly above the movable seat 41 and the fixed seat 5, and the inside of the support roller 61 is penetrated by the support rod 62, and the outer walls of the support rod 62 at both ends of the support roller 61 are fixed with bearings 63, support seats 64 are arranged on both sides of the bottom end of the support rod 62, and the bottom end of the support seat 64 is fixed with an I-beam 65, and a hoop 66 is installed on the outer side of the support rod 62 at the top end of the support seat 64 by bolts, and the support roller 61 and the support rod 62 are rotatably connected through the bearing 63, and reserved grooves are provided at both ends of the bottom of the support rod 62, and the support rod 62 and the support seat 64 are in conflict with each other through the reserved grooves, and the bottom ends of the I-beam 65 are fixedly connected to the tops of the movable seat 41 and the fixed seat 5 respectively.

[0041] During the welding process, the steel pipe rod will be rotated by the driving component, and the support rod 62 runs through the inside of the support roller 61, so that the support rod 62 supports the steel pipe rod through the support roller 61, avoiding the support roller 61 and the support seat 64 from breaking at the connection position. The support rod 62 and the support seat 64 are in conflict with each other through the reserved groove, which increases the contact area between the support rod 62 and the support seat 64 and enhances the stability of the connection. At the same time, the support roller 61 and the support rod 62 are rotatably connected through the bearing 63, which reduces the friction between the support roller 61 and the support rod 62, thereby reducing the resistance of the two steel pipe rods during rotation and avoiding the weld from cracking during rotation.

[0042] Reference Figure 3 and Figure 7-Figure 10As shown, a swing structure 7 is fixed on the ground inside the first base 3, and the swing structure 7 includes a swing seat 71, a second base 72, a spherical protrusion 73 and a connecting seat 74. The second base 72 is fixed on the ground inside the first base 3, and a spherical protrusion 73 is fixed on the top of the second base 72. A connecting seat 74 is arranged on the outer side of the top of the spherical protrusion 73, and a swing seat 71 is fixed on the top of the connecting seat 74. One side of the top of the swing seat 71 is fixedly connected to the bottom end of the fixed seat 5, and the other side of the top of the swing seat 71 conflicts with the bottom end of the movable seat 41. The spherical protrusion 73 and the connecting seat 74 are spherically connected. A second fine-tuning structure 9 is arranged on the side of the swing structure 7 away from the bracket 1. The second fine-tuning structure 9 includes a second threaded sleeve 91, a second threaded rod 92 and a second connecting rod 93. The second threaded sleeve 91 is arranged on the side of the swing seat 71 away from the bracket 1. The two ends inside the second threaded sleeve 91 are threadedly connected to the second threaded rod 92, and one end of the second threaded rod 92 is hinged The second connecting rod 93 and the second threaded rod 92 at both ends of the second threaded sleeve 91 have opposite thread directions, one end of the second connecting rod 93 is rotatably connected to one side of the swing seat 71, and a first fine-tuning structure 8 is arranged at the corner position of the swing structure 7 on one side of the second fine-tuning structure 9. The first fine-tuning structure 8 includes a first threaded sleeve 81, a first threaded rod 82, a hinged rod 83 and a hinged seat 84. The first threaded sleeve 81 is arranged at the corner position on one side of the swing seat 71, and both ends of the inside of the first threaded sleeve 81 are threadedly connected to the first threaded rod 82, both sides of one end of the first threaded rod 82 are hinged with the hinged rod 83, and one end of the hinged rod 83 is hinged with the hinged seat 84, and the thread directions of the first threaded rod 82 at both ends of the first threaded sleeve 81 are opposite, one end of the hinged seat 84 above the two ends of the first threaded sleeve 81 extends to the inside of the swing seat 71 and is hinged to the swing seat 71, and one end of the hinged seat 84 below the two ends of the first threaded sleeve 81 extends to the inside of the second base 72 and is hinged to the second base 72.

[0043] When the butt joints of the two steel pipe rods are in contact, a gap is easily generated on the contact surface of the butt joints due to the influence of the length of the steel pipe rods. The first threaded sleeve 81 is rotated to make the first threaded rods 82 at both ends of the first threaded sleeve 81 approach or separate from each other, and then the first threaded rod 82 drives the swing seat 71 to swing up and down through the hinge rod 83 and the hinge seat 84, so as to fine-tune the vertical angles of the butt joints of the two sets of steel pipe rods. The second threaded sleeve 91 is rotated to make the second threaded rods 92 at both ends of the second threaded sleeve 91 approach or separate from each other, and then the second threaded rod 92 drives the swing seat 71 through the second connecting rod 93. The swing seat 71 is rotated to fine-tune the horizontal angle of the joints of the two sets of steel pipe rods. One end of the articulated seat 84 is hinged to the swing seat 71 and the second base 72 respectively. One end of the second connecting rod 93 is rotatably connected to one side of the swing seat 71. The spherical protrusion 73 and the spherical sliding connection of the connecting seat 74 enable the swing seat 71 to flexibly swing above the second base 72 when fine-tuning the angle of the steel pipe rod joint. Therefore, when the first threaded sleeve 81 and the second threaded sleeve 91 rotate, they can drive the swing seat 71 to adjust the angle, thereby avoiding mutual interference in movement.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel pipe rod circumferential seam welding tool capable of assisting butt jointing, comprising a bracket (1) fixedly mounted on the ground; Features: An adjustment structure (2) is fixedly installed on the ground inside the bracket (1), and the adjustment structure (2) comprises an electric push rod (21), a fixing rod (22) and a first connecting rod (23). The electric push rod (21) is fixedly installed on the ground inside the bracket (1), one end of the electric push rod (21) extends to the outside of the bracket (1) and is fixedly installed with the fixing rod (22), and the side of the fixing rod (22) away from the bracket (1) is evenly rotatably connected with the first connecting rod (23); A first base (3) is fixed on the ground at both ends of the fixed rod (22), a swing structure (7) is fixed on the ground inside the first base (3), a fixed seat (5) is fixed on the side of the top of the first base (3) and the swing structure (7) away from the bracket (1), a movable structure (4) is provided on the side of the top of the first base (3) and the swing structure (7) close to the bracket (1), the movable structure (4) comprises a movable seat (41), a sliding rod (42) and a connecting groove (43), the movable seat (41) is provided on the side of the top of the first base (3) and the swing structure (7) close to the bracket (1), the sliding rod (42) penetrates both sides of the inside of the movable seat (41), a connecting groove (43) is provided at the middle position of the bottom of the movable seat (41), and a supporting structure (6) is fixedly installed on the top of the movable seat (41) and the fixed seat (5); A second fine-tuning structure (9) is provided on a side of the swing structure (7) away from the bracket (1), and a first fine-tuning structure (8) is provided at a corner position of the swing structure (7) on one side of the second fine-tuning structure (9).

2. The steel pipe rod circumferential seam welding tool capable of assisting butt jointing according to claim 1, characterized in that: One end of the slide rod (42) is fixedly connected to one side of the fixed seat (5), the movable seat (41) and the slide rod (42) are slidably connected, and the inner side wall of the top of the connecting groove (43) is hinged to one end of the first connecting rod (23).

3. The steel pipe rod circumferential seam welding tool capable of assisting butt jointing according to claim 1, characterized in that: The support structure (6) comprises a support roller (61), a support rod (62), a bearing (63), a support seat (64), an I-beam (65) and a hoop (66); the support roller (61) is arranged directly above the movable seat (41) and the fixed seat (5); the support rod (62) penetrates the interior of the support roller (61); bearings (63) are fixed on the outer walls of the support rods (62) at both ends of the interior of the support roller (61); support seats (64) are arranged on both sides of the bottom end of the support rod (62); the bottom end of the support seat (64) is fixed with an I-beam (65); and a hoop (66) is installed on the outer side of the support rod (62) at the top end of the support seat (64) by means of bolts.

4. The steel pipe rod circumferential seam welding tool capable of assisting butt jointing according to claim 3, characterized in that: The support roller (61) and the support rod (62) are rotatably connected via a bearing (63); both ends of the bottom of the support rod (62) are provided with reserved grooves; the support rod (62) and the support seat (64) are in contact with each other via the reserved grooves; and the bottom end of the I-beam (65) is fixedly connected to the top ends of the movable seat (41) and the fixed seat (5), respectively.

5. The steel pipe rod circumferential seam welding tool capable of assisting butt-jointing according to claim 1, characterized in that: The swing structure (7) comprises a swing seat (71), a second base (72), a spherical convex block (73) and a connecting seat (74); the second base (72) is fixed on the ground inside the first base (3); the spherical convex block (73) is fixed on the top of the second base (72); a connecting seat (74) is arranged on the outside of the top of the spherical convex block (73); and the swing seat (71) is fixed on the top of the connecting seat (74).

6. The steel pipe rod circumferential seam welding tool capable of assisting butt jointing according to claim 5, characterized in that: One side of the top of the swing seat (71) is fixedly connected to the bottom of the fixed seat (5), the other side of the top of the swing seat (71) is in contact with the bottom of the movable seat (41), and the spherical protrusion (73) is slidably connected to the spherical surface of the connecting seat (74).

7. The steel pipe rod circumferential seam welding tool capable of auxiliary butt jointing according to claim 5, characterized in that: The first fine-tuning structure (8) comprises a first threaded sleeve (81), a first threaded rod (82), an articulated rod (83) and an articulated seat (84); the first threaded sleeve (81) is arranged at a corner position on one side of the swing seat (71); both ends of the first threaded sleeve (81) are threadedly connected to the first threaded rod (82); both sides of one end of the first threaded rod (82) are articulated to the articulated rod (83); and one end of the articulated rod (83) is articulated to the articulated seat (84).

8. The steel pipe rod circumferential seam welding tool capable of auxiliary butt jointing according to claim 7, characterized in that: The thread directions of the first threaded rods (82) at the two ends of the first threaded sleeve (81) are opposite, one end of the hinged seats (84) above the two ends of the first threaded sleeve (81) extends to the inside of the swing seat (71) and is hinged to the swing seat (71), and one end of the hinged seats (84) below the two ends of the first threaded sleeve (81) extends to the inside of the second base (72) and is hinged to the second base (72).

9. The steel pipe rod circumferential seam welding tool capable of assisting butt jointing according to claim 1, characterized in that: The second fine-tuning structure (9) comprises a second threaded sleeve (91), a second threaded rod (92) and a second connecting rod (93); the second threaded sleeve (91) is arranged on a side of the swing seat (71) away from the bracket (1); both ends of the second threaded sleeve (91) are threadedly connected to the second threaded rod (92); and one end of the second threaded rod (92) is hingedly connected to the second connecting rod (93).

10. The steel pipe rod circumferential seam welding tool capable of auxiliary butt jointing according to claim 9, characterized in that: The thread directions of the second threaded rods (92) at the two ends of the second threaded sleeve (91) are opposite, and one end of the second connecting rod (93) is rotatably connected to one side of the swing seat (71).

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