Pipeline welding auxiliary device

Abstract

The utility model discloses a pipeline welding auxiliary device which comprises a base, and supporting frames are symmetrically and fixedly connected to the top of the base. Through cooperation of the moving groove, the rotating column, the moving block, the bearing frame, the electric sliding rail, the transmission strip, the two-way threaded rod, the threaded block and the clamping roller, the pipeline can be clamped and fixed according to the size of the pipeline, the pipeline is pushed into the lower bearing seat, and then through cooperation of the base, the supporting frame, the lower bearing seat, the upper bearing seat, the lifting column, the arc-shaped clamping plate and the bolt, the pipeline can be clamped and fixed. The positions of the arc-shaped clamping plates can be adjusted according to the size of a pipeline to fix the pipeline, it is ensured that the pipeline cannot deviate in the welding process by means of the principle that two points determine a straight line, and in the same way, the other pipeline is moved to a proper position and positioned, so that the welding efficiency is improved. Therefore, the positioning accuracy in the radial direction during butt joint of the pipelines is improved, and the pipelines can be kept stable in the welding process.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely is a pipeline welding auxiliary device. BACKGROUND

[0002] Pipeline is a kind of equipment by multiple parts such as pipe, pipe coupling and valve etc., mainly for conveying gas, liquid or liquid medium with solid particles.In the petroleum, chemical industry, electric power, construction and other industries in our country, metal pipeline welding technology is a very important link.In the welding process of metal pipeline, it must be accurately butted welded.

[0003] Through the retrieval, China patent application No.202410607373.9 discloses a kind of pipeline welding auxiliary processing device, the patent relates to welding auxiliary processing technical field, including positioning unit, including drive assembly, two groups of mobile extrusion components symmetrically arranged at the both ends of drive assembly, limiting component being arranged at one end of mobile extrusion component, locking assembly being arranged at the outer side of limiting component, and protection assembly being arranged at one end of limiting component.The beneficial effects of the patent are that by starting drive assembly, two groups of mobile extrusion components are moved to push rod and contact with retractable part, retractable part pulls the locking assembly at the top and moves to the middle to release the locking of limiting component, when mobile extrusion component is clamped into locking assembly, retractable part is released from locking state and shrinks after being pushed by unlocking rod, loses contact with push rod, locking assembly returns to initial position, clamps the limiting component and mobile extrusion component in clamped state and locks, improves the positioning accuracy in radial direction when pipeline is butted.

[0004] Although positioning can be carried out when pipeline is welded, locking is realized after positioning to avoid sliding during welding and affect welding quality, and protection is carried out to avoid injury to workers during welding, but in actual use, the patent in the cannot adjust clamping range according to the diameter of pipeline, it is difficult to fix small pipeline, thereby affecting the welding effect of pipeline, which reduces the practicability of the patent to some extent.

[0005] Therefore, a pipeline welding auxiliary device is needed to solve the above problems. UTILITY MODEL CONTENT

[0006] To solve the problems in the above background art, the purpose of the utility model is to provide a pipeline welding auxiliary device, which has the advantages of being able to adjust the clamping range according to the size of the pipeline, and being able to fix small pipelines, thereby improving the welding effect of the pipeline.

[0007] To achieve the above object, the utility model provides following technical scheme: a pipeline welding auxiliary device, including the base, the top of base is fixedly connected with support frame, the top of support frame is fixedly connected with lower bearing seat, one side of lower bearing seat is hinged with upper bearing seat through the hinge piece, the top of upper bearing seat is screwd connected with lifting column, the bottom of lifting column is rotatably connected with arc clamping plate, and arc clamping plate is used with lower bearing seat, the other side of the top of upper bearing seat is screwd connected with bolt, and bolt is screwd connected with lower bearing seat, the top of base is equipped with the mobile slot, the inside of mobile slot is rotatably connected with rotating column, the surface of rotating column is screwd connected with moving block, and moving block is slidably connected with mobile slot, the top of moving block is fixedly connected with bearing frame, the side of bearing frame is fixedly connected with electric sliding rail, the output of electric sliding rail and the top of bearing frame are all fixedly connected with transmission strip, the inside of transmission strip is rotatably connected with two -way threaded rod, and two -way threaded rod is driven through servo motor, the surface of two -way threaded rod is symmetrically screwd connected with threaded block, and threaded block is slidably connected with transmission strip, the surface of threaded block is rotatably connected with clamping roller through fixed block.

[0008] As the utility model is preferred, the both sides of base are symmetrically equipped with a plurality of positioning grooves, and the positioning grooves are evenly arranged in annular shape, one end of rotating column penetrates through base and is fixedly connected with rocking handle, the surface of rocking handle is equipped with positioning hole, the inside of positioning hole is slidably connected with positioning pin, and positioning pin is clamped with positioning groove, the inner wall of positioning hole is symmetrically equipped with limiting block, the surface of positioning pin is symmetrically equipped with limiting groove, and limiting groove is slidably connected with limiting block.

[0009] As the utility model is preferred, the top of arc clamping plate is symmetrically fixedly connected with slide post, the top of upper bearing seat is symmetrically equipped with slide hole, and slide hole is slidably connected with slide post.

[0010] As the utility model is preferred, the surface of lower bearing seat is symmetrically equipped with auxiliary groove, and the inside of auxiliary groove is rotatably connected with auxiliary roller.

[0011] As the utility model is preferred, the top of upper bearing seat is symmetrically equipped with guide groove about bolt, and the bottom of lower bearing seat is symmetrically fixedly connected with guide block about screw, and guide block is clamped with guide groove.

[0012] As the utility model is preferred, the top of base is symmetrically equipped with sliding groove about mobile slot, and the bottom of bearing frame is symmetrically fixedly connected with sliding block, and sliding block is slidably connected with sliding groove.

[0013] Compared with the prior art, the utility model has the advantages as follows:

[0014] 1. The utility model discloses a cooperation of mobile groove, rotating column, moving block, bearing frame, electric slide rail, transmission strip, two -way threaded rod, threaded block and clamping roller can adjust the spacing between clamping roller according to the size of pipeline, and can clamp and fix to pipeline, and then push pipeline into the lower bearing seat, through the cooperation of base, support frame, lower bearing seat, upper bearing seat, lifting column, arc clamping plate and bolt, can adjust the position of arc clamping plate according to the size of pipeline, make it clamp and fix to pipeline, and utilize the principle of two points determine a straight line, ensure that pipeline does not deviate in the process of welding, and another pipeline is moved to the appropriate position and is positioned to improve the positioning accuracy of radial direction when pipeline butt joint, and can keep pipeline stable in the process of welding.

[0015] 2. The utility model discloses through the setting of positioning groove, ratchet wrench, positioning hole and positioning pin, can position rotating column to the position of bearing frame can be positioned to prevent its deviation in the process of using, and utilize the setting of limiting block and limit slot, can prevent the problem that positioning pin appears and separates from positioning hole and leads to its loss. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic drawing of the utility model;

[0017] Figure 2 It is three -dimensional schematic diagram of lower bearing seat and upper bearing seat cooperation of the utility model;

[0018] Figure 3 It is three -dimensional schematic diagram of bearing frame, electric slide rail and transmission strip cooperation of the utility model;

[0019] Figure 4 It is the utility model Figure 1 Enlarged schematic diagram of A place in the utility model.

[0020] In the drawing: 1, base;2, support frame;3, lower bearing seat;4, upper bearing seat;5, lifting column;6, arc clamping plate;7, bolt;8, mobile groove;9, rotating column;10, moving block;11, bearing frame;12, electric slide rail;13, transmission strip;14, two -way threaded rod;15, threaded block;16, clamping roller;17, positioning groove;18, ratchet wrench;19, positioning hole;20, positioning pin;21, limiting block;22, limit slot;23, slide column;24, auxiliary roller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0022] As Figures 1 to 4 shown, the utility model provides a kind of pipeline welding auxiliary device, including base 1, the top of base 1 is fixedly connected with support frame 2 symmetrically, the top of support frame 2 is fixedly connected with lower bearing seat 3, one side of lower bearing seat 3 is hinged with upper bearing seat 4 by hinging piece, the top of upper bearing seat 4 is screw-connected with lifting column 5, the top of lifting column 5 is fixedly connected with torsion block, the bottom of lifting column 5 is rotatably connected with arc clamping plate 6, and arc clamping plate 6 is used in cooperation with lower bearing seat 3, the other side of the top of upper bearing seat 4 is screw-connected with bolt 7, and bolt 7 is screw-connected with lower bearing seat 3, the top of base 1 is symmetrically provided with moving groove 8, rotating column 9 is rotatably connected in the inside of moving groove 8, moving block 10 is screw-connected on the surface of rotating column 9, and moving block 10 is slidably connected with moving groove 8, the top of moving block 10 is fixedly connected with bearing frame 11, one side of bearing frame 11 is fixedly connected with electric sliding rail 12, the output end of electric sliding rail 12 and the top of bearing frame 11 are both fixedly connected with transmission bar 13, bidirectional screw rod 14 is rotatably connected in the inside of transmission bar 13, and bidirectional screw rod 14 is driven by servo motor, screw block 15 is screw-connected on the surface of bidirectional screw rod 14 symmetrically, and screw block 15 is slidably connected with transmission bar 13, clamping roller 16 is rotatably connected on the surface of screw block 15 by fixed block.

[0023] Reference Figure 1 And Figure 4 , the two sides of base 1 are symmetrically provided with a plurality of positioning grooves 17, and the plurality of positioning grooves 17 are evenly arranged in a ring shape, one end of rotating column 9 penetrates through base 1 and is fixedly connected with crank handle 18, positioning hole 19 is formed in the surface of crank handle 18, positioning pin 20 is slidably connected in the inside of positioning hole 19, and positioning pin 20 is clamped with positioning groove 17, limiting block 21 is symmetrically formed on the inner wall of positioning hole 19, limiting groove 22 is symmetrically formed on the surface of positioning pin 20, and limiting groove 22 is slidably connected with limiting block 21.

[0024] As a technical optimization scheme of the present utility model, the positioning of rotating column 9 can be realized by the arrangement of positioning groove 17, crank handle 18, positioning hole 19 and positioning pin 20, so that the position of bearing frame 11 can be positioned, to prevent it from deviating during use, and the arrangement of limiting block 21 and limiting groove 22 can prevent positioning pin 20 from being lost due to disengagement from positioning hole 19.

[0025] Reference Figure 2 The top of the arc-shaped clamping plate 6 is symmetrically fixedly connected with a slide column 23, and the top of the upper bearing seat 4 is symmetrically provided with a slide hole, and the slide hole is in sliding connection with the slide column 23.

[0026] As a technical optimization scheme of the utility model, through the setting of the slide column 23 and the slide hole, the movement track of the arc-shaped clamping plate 6 can be limited, so that it can only perform linear motion.

[0027] Reference Figure 2 The surface of the lower bearing seat 3 is symmetrically provided with an auxiliary groove, the inside of the auxiliary groove is rotatably connected with an auxiliary roller 24, and the surfaces of the arc-shaped clamping plate 6 and the auxiliary roller 24 are provided with rubber pads.

[0028] As a technical optimization scheme of the utility model, through the setting of the auxiliary groove and the auxiliary roller 24, the pipeline can be moved in the lower bearing seat 3, the sliding friction generated by the pipeline is converted into rolling friction, and through the setting of the rubber pad, the surface of the pipeline can be protected.

[0029] Reference Figure 2 The top of the upper bearing seat 4 is symmetrically provided with a guide groove about the bolt 7, the bottom of the lower bearing seat 3 is symmetrically fixedly connected with a guide block about the screw, and the guide block is in clamping connection with the guide groove.

[0030] As a technical optimization scheme of the utility model, through the setting of the guide groove and the guide block, the upper bearing seat 4 can be clamped into the lower bearing seat 3, so that the stability during connection can be improved.

[0031] Reference Figure 1 And Figure 3 The top of the base 1 is symmetrically provided with a sliding groove about the moving groove 8, and the bottom of the bearing frame 11 is symmetrically fixedly connected with a sliding block, and the sliding block is in sliding connection with the sliding groove.

[0032] As a technical optimization scheme of the utility model, through the setting of the sliding groove and the sliding block, the bearing frame 11 can perform linear motion more stably, and deviation during movement can be avoided.

[0033] The working principle and use process of the utility model: when using the welding auxiliary device to weld two pipelines (pipeline one and pipeline two), first connect the device with external power supply, then start electric slide rail 12 and servo motor according to the size of two pipelines, electric slide rail 12 can adjust the spacing between upper and lower clamping rollers 16, servo motor can drive bidirectional screw rod 14 to rotate, thereby the spacing between clamping rollers 16 on left and right sides can be adjusted, so that four clamping rollers 16 can clamp pipeline one, then place the welding position of pipeline one into lower bearing seat 3, then turn over upper bearing seat 4 to align it with lower bearing seat 3, then rotate bolt 7 to fix upper bearing seat 4 and lower bearing seat 3, then rotate lifting column 5 at the position to make arc-shaped clamping plate 6 descend, so that arc-shaped clamping plate 6 can clamp pipeline one, the welding position of pipeline one needs to extend to the position close to the middle line of base 1, then place pipeline two between four clamping rollers 16 and position it, then place the welding position of pipeline two into lower bearing seat 3 and position upper bearing seat 4, then pull out positioning pin 20 on one side of pipeline two, at this time, limiting groove 22 in positioning pin 20 slides on the surface of limiting block 21 in positioning hole 19, then rotate handle 18 through positioning pin 20, so that it can drive rotating column 9 to rotate, thereby moving block 10 can drive bearing frame 11 to move, so that it can push pipeline two to move, so that it can displace through auxiliary roller 24 on lower bearing seat 3, so that the welding position of pipeline two can align with the welding position of pipeline one, then rotate lifting column 5 above pipeline two, so that arc-shaped clamping plate 6 at the position can clamp pipeline two, then workers can weld pipeline one and pipeline two, thereby it can clamp and fix pipelines of different sizes, so that it can improve the practicability of the welding auxiliary device.

[0034] It should be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the utility model have been shown and described, it would be appreciated by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pipe welding aid comprising a base (1), characterised in that: The top of the base (1) is symmetrically connected with a support frame (2), the top of the support frame (2) is fixedly connected with a lower bearing seat (3), one side of the lower bearing seat (3) is hingedly connected with an upper bearing seat (4), the top of the upper bearing seat (4) is threadedly connected with a lifting column (5), the bottom of the lifting column (5) is rotatably connected with an arc-shaped clamping plate (6), and the arc-shaped clamping plate (6) is used in cooperation with the lower bearing seat (3), the other side of the top of the upper bearing seat (4) is threadedly connected with a bolt (7), and the bolt (7) is threadedly connected with the lower bearing seat (3), the top of the base (1) is symmetrically provided with a moving groove (8), the inside of the moving groove (8) is rotatably connected with a rotating column (9), the surface of the rotating column (9) is threadedly connected with a moving block (10), and the moving block (10) is slidably connected with the moving groove (8), the top of the moving block (10) is fixedly connected with a bearing frame (11), one side of the bearing frame (11) is fixedly connected with an electric sliding rail (12), the output end of the electric sliding rail (12) and the top of the bearing frame (11) are both fixedly connected with a transmission bar (13), the inside of the transmission bar (13) is rotatably connected with a bidirectional threaded rod (14), the bidirectional threaded rod (14) is driven by a servo motor, the surface of the bidirectional threaded rod (14) is symmetrically threadedly connected with a threaded block (15), and the threaded block (15) is slidably connected with the transmission bar (13), and the surface of the threaded block (15) is rotatably connected with a clamping roller (16) through a fixed block.

2. A pipe welding aid as defined in claim 1, wherein: The two sides of the base (1) are symmetrically provided with a plurality of positioning grooves (17), and the plurality of positioning grooves (17) are uniformly arranged in a ring shape, one end of the rotating column (9) penetrates through the base (1) and is fixedly connected with a crank handle (18), the surface of the crank handle (18) is provided with a positioning hole (19), the inside of the positioning hole (19) is slidably connected with a positioning pin (20), and the positioning pin (20) is clamped with the positioning groove (17), the inner wall of the positioning hole (19) is symmetrically provided with a limiting block (21), and the surface of the positioning pin (20) is symmetrically provided with a limiting groove (22), and the limiting groove (22) is slidably connected with the limiting block (21).

3. A pipe welding aid as defined in claim 1, wherein: The top of the arc-shaped clamping plate (6) is symmetrically fixedly connected with a sliding column (23), the top of the upper bearing seat (4) is symmetrically provided with a sliding hole, and the sliding hole is slidably connected with the sliding column (23).

4. A pipe welding aid as defined in claim 1, wherein: The surface of the lower bearing seat (3) is symmetrically provided with an auxiliary groove, and the inside of the auxiliary groove is rotatably connected with an auxiliary roller (24).

5. A pipe welding aid as defined in claim 1, wherein: The top of the upper bearing seat (4) is symmetrically provided with a guide groove about the bolt (7), and the bottom of the lower bearing seat (3) is symmetrically fixedly connected with a guide block about the thread, and the guide block is clamped with the guide groove.

6. A pipe welding aid as defined in claim 1, wherein: The top of the base (1) is symmetrically provided with a sliding groove about the moving groove (8), and the bottom of the bearing frame (11) is symmetrically fixedly connected with a sliding block, and the sliding block is slidably connected with the sliding groove.

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