A heat network pipeline welding auxiliary device
By designing welding auxiliary equipment with support components, auxiliary components, adjustment devices, and tensioning mechanisms, the problem of auxiliary equipment obstruction during the welding process was solved, enabling welders to clearly observe the weld and achieve stable pipe connection, thus improving welding quality and efficiency.
Patent Information
- Application Number
- CN202411898419.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2044-12-23
AI Technical Summary
During the welding process of heating network pipelines, the welding personnel cannot clearly observe the actual situation of the weld due to the obstruction of auxiliary equipment, which increases the welding difficulty and may lead to a decline in welding quality.
A welding auxiliary device is adopted, which includes a support component, an auxiliary component, an adjustment device, an abutment component, and a tensioning mechanism. The device achieves stable support for the pipeline through movable wheels and synchronous components, the abutment component fits into the pipeline, and the tensioning mechanism ensures a tight connection at the pipeline joint.
To ensure that welders can clearly observe the weld seam during the welding process, reduce operational obstacles, improve the stability and quality of the welding, guarantee a tight fit at the pipe joint, and improve welding efficiency and quality.
Smart Images

Figure CN119609544B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pipeline welding, in particular to a heat network pipeline welding auxiliary equipment. BACKGROUND
[0002] In a heat supply system, the heat network pipeline is a key component for heat transmission, and its quality and reliability are directly related to the operation efficiency and safety of the entire heat supply system. The welding of the heat network pipeline, as an important process link for connecting various pipeline sections, is particularly important for quality control.
[0003] During the welding process of the heat network pipeline, auxiliary equipment is usually needed to support the butt joint of two pipelines. When the auxiliary equipment is installed between the two butt-jointed pipelines, it will occupy part of the space originally used for welding operations, limiting the operation range, which makes it inconvenient for the welder to operate. Due to the obstruction of the auxiliary equipment, the welder may not be able to clearly observe the actual situation of the weld, which not only increases the difficulty of welding, but also may lead to a decrease in welding quality due to the inconvenience of operation. SUMMARY
[0004] The purpose of the present application is to solve the problem mentioned in the above background that due to the obstruction of the auxiliary equipment, the welder may not be able to clearly observe the actual situation of the weld, which not only increases the difficulty of welding, but also may lead to a decrease in welding quality due to the inconvenience of operation.
[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:
[0006] A heat network pipeline welding auxiliary equipment, comprising a support, an auxiliary part, an adjusting device, an abutting part and a tensioning mechanism, the support comprises a base and support beams arranged at both ends of the base, the two support beams are distributed on both sides of the pipeline welding seam, the support beam comprises a bottom beam and side beams fixed on both sides of the bottom beam; the auxiliary part is arranged one-to-one with the side beam, the auxiliary part comprises a fixed wheel and a movable wheel connected with the side beam, the movable wheel is located on the upper side of the fixed wheel, the movable wheel is connected with the side beam through a sliding block, and a sliding groove for sliding of the sliding block is formed in the side beam; the adjusting device is arranged on the support, the adjusting device comprises an adjusting screw rotatably connected with the side beam, and the adjusting screw is threadedly connected with the sliding block; the abutting part is connected with the side beam, the abutting part abuts against the pipeline, and the tensioning mechanism is arranged between the abutting parts on the two support beams.
[0007] Preferably, the adjusting device further comprises a synchronization component, the synchronization component comprises a synchronization rod rotatably connected with the bottom beam, a rod body is rotatably connected with the bottom of the side beam, one end of the rod body is connected with the adjusting screw through a bevel gear pair one, and the other end of the rod body is connected with the synchronization rod through a bevel gear pair two.
[0008] Preferably, the abutting piece is provided with an arc-shaped part for adapting to pipes of different sizes.
[0009] Preferably, the arc-shaped part is provided with a rubber pad for increasing friction.
[0010] Preferably, the tensioning mechanism comprises a sliding mechanism for adjusting the position of the abutting piece, the sliding mechanism comprises a fixed shaft fixedly connected with the side beam, the end of the fixed shaft is rotationally connected with a track body, the track body is slidingly connected with a track block, the track body is threadedly connected with an adjusting bolt, the adjusting bolt is rotationally connected with the track block, and the abutting piece is rotationally connected with the track block.
[0011] Preferably, the track body is fixedly connected with a locking gear, the side beam is fixedly connected with a bracket, the bracket is threadedly connected with a locking bolt, the end of the locking bolt is rotationally connected with a locking tooth plate, the locking tooth plate is fixedly connected with a limiting rod, and the limiting rod is slidingly connected with the bracket.
[0012] Preferably, the end of the track block is provided with a supporting block, the supporting block comprises a sliding part and a circular part, the sliding part is slidingly connected with the track block, the abutting piece is rotationally connected with the circular part, the circular part is provided with a threaded groove, the abutting piece is provided with a sleeve, the sleeve is provided with a fixing hole, the fixing hole corresponds to the arc-shaped part in a one-to-one manner, and the threaded groove is threadedly connected with a switching bolt.
[0013] Preferably, the tensioning mechanism further comprises a tensioning component, the tensioning component comprises a bidirectional screw rod, the two ends of the bidirectional screw rod are connected with tensioning blocks, the tensioning blocks are slidingly connected with a tensioning rod frame, the upper end of the tensioning rod frame is fixed with the sliding part, and the sliding direction of the tensioning rod frame is perpendicular to the moving direction of the tensioning blocks.
[0014] Preferably, the supporting beam is rotationally connected with a driving rod, and the driving rod and one end of the bidirectional screw rod are connected through a bevel gear pair.
[0015] Preferably, the supporting beam is slidingly connected with a synchronous rack, and the two ends of the synchronous rack are engaged with the locking gears on the corresponding sides.
[0016] Compared with the prior art, the present application has the following beneficial effects:
[0017] The device can not only support the pipes to be welded, but also limit the upper side of the pipes under the action of the movable wheels, so that the welding is stable. The device has no blocking component blocking or limiting the welding position except the base directly below, so that the welding is facilitated. Moreover, there is space between the base and the welding position, so that the welder can see the welding position and operate the welding equipment.
[0018] The synchronous component makes the two movable wheels move synchronously on the same support beam, so that the pipes are subjected to the same force, which is beneficial to the stability of the pipes;
[0019] The abutting pieces also limit the pipes from two sides, which increases the stability of the pipes, the same support beam is rotated by one track body, the other track body is rotated through the synchronous rack, which reduces the operation steps and makes the two abutting pieces rotate by the same amplitude and be symmetrically distributed on the two sides of the pipes, which is beneficial to the fitting of the arc-shaped part of the pipe and the pipe;
[0020] The arc-shaped parts of different sizes on the abutting pieces correspond to pipes of different sizes, the abutting pieces are moved through the adjusting bolts, so that the arc-shaped parts on the abutting pieces can be fitted with the surfaces of pipes of different sizes, the rubber pads that increase the friction are arranged on the arc-shaped parts, which can prevent slipping when the abutting pieces are tightened, which is beneficial to exerting pulling force on the pipes;
[0021] The pulling mechanism and the abutting pieces exert force on the two pipes to make them close to each other, so that the pipes are tightly and stably connected at the joint, which ensures that the ends of the two pipes are always in contact during welding, prevents gaps at the welding position, and greatly guarantees the efficiency and quality of welding. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0023] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0024] Figure 2 It is a schematic diagram of the bottom beam and side beam of the present application.
[0025] Figure 3 It is a schematic diagram of the Figure 2 It is an enlarged schematic diagram of position A in the middle.
[0026] Figure 4 It is a schematic diagram of the synchronous component of the present application.
[0027] Figure 5 It is a schematic diagram of the synchronous rack of the present application.
[0028] Figure 6 It is a schematic diagram of the sliding mechanism of the present application.
[0029] Figure 7 It is a schematic diagram of the abutting piece separated from the support block of the present application.
[0030] Figure number explanation: 1, support piece; 11, base; 12, support beam; 121, bottom beam; 122, side beam; 1221, sliding groove; 2, auxiliary piece; 21, fixed wheel; 22, movable wheel; 23, sliding block; 3, adjusting device; 31, adjusting screw; 32, synchronous component; 321, synchronous rod; 322, rod body; 323, bevel gear pair one; 324, bevel gear pair two; 4, abutting piece; 41, arc-shaped part; 42, rubber pad; 43, sleeve; 44, fixing hole; 5, tensioning mechanism; 51, sliding mechanism; 511, fixed shaft; 512, track body; 513, track block; 514, adjusting bolt; 515, support block; 5151, sliding part; 5152, circular part; 52, locking gear; 53, bracket; 54, locking bolt; 55, locking toothed plate; 551, limiting rod; 56, switching bolt; 57, synchronous rack; 58, tensioning component; 581, bidirectional screw rod; 582, tensioning block; 583, pull rod bracket; 584, driving rod; 585, bevel gear pair three. DETAILED DESCRIPTION
[0031] The present application will be further described in details below with reference to the accompanying drawings.
[0032] The following description is presented to enable any person skilled in the art to practice the present application as claimed. The preferred embodiments disclosed herein are merely examples of the present application and a person skilled in the art can think of other obvious variations and modifications. The essential principles defined in the following description can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present application.
[0033] It should be understood by those skilled in the art that in the disclosure of the present application, the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or position shown in the drawings, which are only for the convenience of the simplified description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation of the present application.
[0034] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.
[0035] Please refer to Figures 1-7The utility model provides a kind of hot network pipeline welding auxiliary equipment, including support 1, auxiliary 2, adjusting device 3, abutment 4 and tensioning mechanism 5, support 1 includes base 11 and the support beam 12 being arranged at both ends of base 11, base 11 is fixedly connected with support beam 12, two support beams 12 are distributed on the both sides of pipeline welding seam, so that pipeline butt joint is exposed, subsequent welding is facilitated, support beam 12 includes bottom beam 121 and the side beam 122 being fixed at both sides of bottom beam 121, and side beam 122 is distributed on the both sides of pipeline.
[0036] Auxiliary 2 is set one by one with side beam 122, auxiliary 2 includes fixed wheel 21 and movable wheel 22 connected with side beam 122, fixed wheel 21 is fixed on side beam 122, and fixed wheel 21 is rotatably connected with side beam 122, movable wheel 22 is located on the upside of fixed wheel 21, and movable wheel 22 is connected with side beam 122 by sliding block 23, sliding slot 1221 for sliding of sliding block 23 is formed on side beam 122, and the both sides of sliding block 23 are attached to sliding slot 1221, so that sliding block 23 can move along side beam 122.
[0037] Adjusting device 3 is arranged on support 1, and adjusting device 3 includes adjusting screw 31 rotatably connected with side beam 122, the upper end of adjusting screw 31 emerges from side beam 122 and is connected with handle bar, adjusting screw 31 is screw-connected with sliding block 23, movable wheel 22 is lifted by rotating adjusting screw 31, side beam 122 is obliquely arranged, the spacing between the two side beams 122 is larger and larger upwards, after movable wheel 22 is lifted, space is left to place pipeline in support beam 12, after pipeline is placed, adjusting screw 31 is rotated to make movable wheel 22 descend until abutting on pipeline, at this time, pipeline is positioned by upper and lower fixed wheel 21 and movable wheel 22, so as to stabilize pipeline.
[0038] Abutment 4 is connected with side beam 122, and abutment 4 is located on the both sides of pipeline, abutment 4 abuts with pipeline, and tensioning mechanism 5 is arranged between the two abutments 4 on support beam 12, after abutment 4 abuts with pipeline, the force in the same direction is applied to two pipelines by tensioning mechanism 5, so that two pipelines are tightly butt-jointed, which is beneficial to welding. The welding position is not blocked or positioned by blocking component except the base 11 directly below, so it is beneficial to welding, and there is space between base 11 and welding position, so that welding personnel can see welding position and can operate welding equipment.
[0039] The adjusting device 3 further comprises a synchronous component 32, the synchronous component 32 comprises a synchronous rod 321 rotatably connected to the bottom beam 121, a rod body 322 rotatably connected to the bottom of the side beam 122, the rod body 322 is the same height as the synchronous rod 321, one end of the rod body 322 is connected with the adjusting screw rod 31 through a bevel gear pair one 323, the bevel gear pair one 323 is located in the sliding groove 1221, the other end of the rod body 322 is connected with the synchronous rod 321 through a bevel gear pair two 324, on the same support beam 12, the synchronous component 32 enables the two movable wheels 22 to move synchronously, so that the pipes bear the same force, which is conducive to the stability of the pipes.
[0040] The abutting piece 4 is provided with arc-shaped parts 41 adapted to pipes of different sizes, four arc-shaped parts 41 are taken as an example, the arc-shaped parts 41 of different sizes correspond to pipes of different gears, the arc-shaped parts 41 are provided with rubber pads 42 for increasing friction, the rubber pads 42 can prevent slipping when the abutting piece 4 is tensioned, which is conducive to applying tension to the pipes. The abutting pieces 4 on both sides are also conducive to stabilizing the pipes after abutting against the pipes, which is convenient for the stability of the welding position.
[0041] The tensioning mechanism 5 comprises a sliding mechanism 51 for adjusting the position of the abutting piece 4, the sliding mechanism 51 comprises a fixed shaft 511 fixedly connected with the side beam 122, the end of the fixed shaft 511 is rotatably connected with a track body 512, the track body 512 is slidably connected with a track block 513, the track body 512 is inserted into the track body 512, the track body 512 limits the track block 513, the track body 512 enables the track block 513 to move linearly along the track body 512, the track body 512 is threadedly connected with an adjusting bolt 514, the adjusting bolt 514 is rotatably connected with the track block 513, the abutting piece 4 is rotatably connected with the track block 513, by rotating the track body 512, the abutting piece 4 rotates with the track body 512, then the abutting piece 4 moves through the adjusting bolt 514, so that the arc-shaped parts 41 on the abutting piece 4 can be fitted with the surfaces of pipes of different sizes.
[0042] The track body 512 is fixedly connected with a locking gear 52, the side beam 122 is fixedly connected with a bracket 53, the bracket 53 is threadedly connected with a locking bolt 54, the end of the locking bolt 54 is rotatably connected with a locking tooth plate 55, the locking tooth plate 55 is fixedly connected with a limiting rod 551, the limiting rod 551 is slidably connected with the bracket 53, the limiting rod 551 is used for limiting the locking tooth plate 55, the locking tooth plate 55 moves linearly in cooperation with the locking bolt 54, the rotating track body 512 is fixed through the cooperation of the locking tooth plate 55 and the locking bolt 54. The track body 512 can rotate so that the track body 512 is located on the radial direction of the pipe, and the center of rotation of the abutting piece 4 is located on the line connecting the track body 512 and the center of the pipe, which is conducive to force transmission and further conducive to pipe stability.
[0043] The end of the track block 513 is provided with a supporting block 515, the supporting block 515 comprises a sliding part 5151 and a circular part 5152, the sliding part 5151 is in sliding connection with the track block 513, the abutting piece 4 is in rotary connection with the circular part 5152, a threaded groove is formed in the circular part 5152, a sleeve 43 extends from the abutting piece 4, a fixing hole 44 is formed in the sleeve 43, the fixing hole 44 corresponds to the arc-shaped part 41, the threaded groove corresponds to the fixing hole 44, a switching bolt 56 is in threaded connection with the threaded groove, when the arc-shaped part 41 is switched, the abutting piece 4 is first rotated, so that the arc-shaped part 41 is in size cooperation with the pipeline, at this time, the fixing hole 44 corresponds to the threaded groove, then the switching bolt 56 is inserted into the fixing hole 44 and connected with the threaded groove, so as to fix the rotated abutting piece 4. The synchronous rack 57 is in sliding connection with the supporting beam 12, the two ends of the synchronous rack 57 are in meshing connection with the locking gears 52 on the corresponding side, on the same supporting beam 12, one track body 512 is rotated, the other track body 512 is rotated through the synchronous rack 57, the steps of operation are reduced, the rotating amplitudes of the two abutting pieces 4 are the same, and the two abutting pieces 4 are symmetrically distributed on the two sides of the pipeline, which is beneficial to the cooperation of the arc-shaped part 41 of the pipeline and the pipeline.
[0044] The tensioning mechanism 5 further comprises a tensioning component 58, the tensioning component 58 comprises a bidirectional screw rod 581, the two ends of the bidirectional screw rod 581 are connected with tensioning blocks 582, the tensioning blocks 582 are in sliding connection with the base 11, the tensioning blocks 582 are in sliding connection with a pull rod frame 583, the upper end of the pull rod frame 583 is fixed with the sliding part 5151, the sliding direction of the pull rod frame 583 is perpendicular to the moving direction of the tensioning blocks 582, and the pull rod frame 583 moves synchronously with the track block 513. The driving rod 584 is in rotary connection with the supporting beam 12, one end of the driving rod 584 is connected with the bidirectional screw rod 581 through the bevel gear pair three 585, the bidirectional screw rod 581 is rotated through the bevel gear pair three 585 by rotating the driving rod 584, the bidirectional screw rod 581 applies a force of approaching each other to the two tensioning blocks 582, the tensioning blocks 582 apply a force of approaching each other to the abutting piece 4 through the pull rod frame 583, and the abutting piece 4 applies a force of approaching each other to the pipeline, so that the pipeline is tightly and stably connected.
[0045] When in use, the pipe is placed in the support beam 12 and forms butt joint, after the pipe is placed, the adjusting screw 31 is rotated to make the movable wheel 22 descend, the adjusting screw 31 makes the movable wheel 22 on the other side descend through the synchronous component 32 until the two movable wheels 22 abut on the two sides of the pipe, at this time the pipe is limited by the fixed wheel 21 and the movable wheel 22 on the upper and lower sides, the stability of the pipe is maintained, at this time the welding is more stable, then the abutting piece 4 is rotated, the arc-shaped part 41 is matched with the pipe, at this time the fixed hole 44 is matched with the threaded groove, the switching bolt 56 is inserted into the fixed hole 44 and is rotated to be connected with the threaded groove, so as to fix the rotated abutting piece 4, the locking bolt 54 is rotated respectively, so that the two locking racks are separated from the corresponding locking gears 52, at this time the track body 512 is rotated, the other track body 512 on the same support beam 12 is rotated through the synchronous rack 57, so that the abutting arc-shaped part 41 corresponds to the pipe, then the adjusting bolt 514 is rotated, so that the track block 513 moves, the support block 515 moves with the track block 513, the support block 515 moves with the abutting piece 4, until the rubber pad 42 on the abutting piece 4 is attached to the pipe, at this time the abutting piece has the effect of stabilizing the pipe, at this time the locking bolt 54 is rotated, so that the locking rack 55 and the limiting rod 551 move together, the locking rack 55 is engaged with the locking gear 52, so that the track body 512 is fixed, the locking bolt 54 on the other side is rotated, so that the locking gear 52 on the other side is fixed, the abutting piece 4 and the sliding mechanism 51 on the other support beam 12 are operated in the same way, so that the longitudinal stability of the two pipes is increased. Finally, the driving rod 584 is rotated, the rotating rod makes the bidirectional screw rotate through the bevel gear pair three 585, the bidirectional screw 581 applies the force of moving close to each other to the two tension blocks 582, the tension block 582 applies the force of moving close to each other to the support block 515 and the abutting piece 4 through the pull rod frame 583, the abutting piece 4 applies the force of moving close to each other to the pipe, so that the pipe is tightly attached and stable at the butt joint.
[0046] Those skilled in the art will understand that the embodiments of the application shown in the above description and the drawings are only examples and do not limit the application. The purpose of the application has been fully and effectively achieved. The function and structural principle of the application have been shown and described in the embodiments, and the embodiments of the application can be any modification or modification without departing from the principle.
Claims
1. A welding auxiliary device for heating network pipelines, characterized in that, include: The support member (1) includes a base (11) and support beams (12) disposed at both ends of the base (11). The two support beams (12) are distributed on both sides of the pipe weld joint. The support beam (12) includes a bottom beam (121) and side beams (122) fixed on both sides of the bottom beam (121). The auxiliary component (2) is provided in a one-to-one correspondence with the side beam (122). The auxiliary component (2) includes a fixed wheel (21) and a movable wheel (22) connected to the side beam (122). The movable wheel (22) is located on the upper side of the fixed wheel (21). The movable wheel (22) is connected to the side beam (122) through a slider (23). The side beam (122) is provided with a groove (1221) for sliding the slider (23). An adjustment device (3) is provided on a support member (1). The adjustment device (3) includes an adjustment screw (31) rotatably connected to a side beam (122). The adjustment screw (31) is threadedly connected to a slider (23). Abutting member (4) is connected to a side beam (122). The abutting member (4) abuts against a pipe. A tensioning mechanism (5) is provided between the abutting members (4) on the two support beams (12). The tensioning mechanism (5) includes a sliding mechanism (51) for adjusting the position of the abutment (4). The sliding mechanism (51) includes a fixed shaft (511) fixedly connected to the side beam (122). The end of the fixed shaft (511) is rotatably connected to the track body (512). A track block (513) is slidably connected inside the track body (512). An adjusting bolt (514) is threadedly connected to the track body (512). The adjusting bolt (514) is rotatably connected to the track block (513). The abutment (4) is rotatably connected to the track block (513). A support block (515) is provided at the end of the track block (513). The support block (515) includes a sliding part (5151) and a circular part (5152). The sliding part (5151) is slidably connected to the track block (513). The tensioning mechanism (5) further includes a tensioning component (58), which includes a bidirectional screw (581). Both ends of the bidirectional screw (581) are connected to tensioning blocks (582). A tie rod frame (583) is slidably connected to the tensioning block (582). The upper end of the tie rod frame (583) is fixed to the sliding part (5151). The sliding direction of the tie rod frame (583) is perpendicular to the moving direction of the tensioning block (582). A synchronous rack (57) is slidably connected to the support beam (12). Both ends of the synchronous rack (57) are engaged with the locking gear (52) on the corresponding side.
2. The auxiliary equipment for welding heating network pipelines according to claim 1, characterized in that: The adjustment device (3) further includes a synchronization component (32), which includes a synchronization rod (321) rotatably connected to the bottom beam (121). A rod body (322) is rotatably connected to the bottom of the side beam (122). One end of the rod body (322) is connected to the adjustment screw (31) through a bevel gear pair one (323), and the other end of the rod body (322) is connected to the synchronization rod (321) through a bevel gear pair two (324).
3. The auxiliary equipment for welding heating network pipelines according to claim 1, characterized in that: The abutment (4) is provided with an arc-shaped part (41) adapted to pipes of different sizes.
4. The auxiliary equipment for welding heating network pipelines according to claim 3, characterized in that: A rubber pad (42) for increasing friction is provided on the arc-shaped part (41).
5. The auxiliary equipment for welding heating network pipelines according to claim 4, characterized in that: A locking gear (52) is fixedly connected to the track body (512), a bracket (53) is fixedly connected to the side beam (122), a locking bolt (54) is threadedly connected to the bracket (53), a locking tooth plate (55) is rotatably connected to the end of the locking bolt (54), a limit rod (551) is fixedly fixed on the locking tooth plate (55), and the limit rod (551) is slidably connected to the bracket (53).
6. The auxiliary equipment for welding heating network pipelines according to claim 4, characterized in that: The abutment (4) is rotatably connected to the circular part (5152). The circular part (5152) has a threaded groove. The abutment (4) has a sleeve (43) extending from it. The sleeve (43) has a fixing hole (44). The fixing hole (44) corresponds to the arc-shaped part (41). The threaded groove is threaded with a switching bolt (56).
7. The auxiliary equipment for welding heating network pipelines according to claim 1, characterized in that: A drive rod (584) is rotatably connected to the support beam (12), and one end of the drive rod (584) is connected to one end of the bidirectional screw (581) through a bevel gear pair (585).
Citation Information
Patent Citations
Auxiliary welding device for gas pipeline
CN117644308A
Small welding tool for special-shaped welding structural parts
CN219852930U