Pipeline welding aligning device
By designing a pipe welding counterpart device, using the I-roll and clamp structure to achieve stable butt and rotary welding of the pipe, the problem of poor welding quality in the prior art is solved and the welding efficiency and stability are improved.
Patent Information
- Application Number
- CN202422681293.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-04
AI Technical Summary
In the prior art, due to the large length and weight of the pipes during welding, it is easy to cause extrusion and cracking or offset of the bonded end surface during manual docking, which affects the welding quality and makes it difficult to effectively process the bottom surface.
A pipe welding counterpart device is designed, and the pipe is laterally limited and rolled to support the pipe by using the first I-roll and clamp structure. Combined with the motor drive and the lifting and lowering of the lifting beam, the pipe is rotated and docked, and the pipe is counterpart operation through the slider and threaded rod system.
It realizes stable butt and rotary welding of the pipeline, improves welding quality, facilitates processing of the annular joints at different locations, and the clamp structure is easy to install and disassemble.
Smart Images

Figure CN223250956U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding processing, in particular to a pipeline welding butt joint device. Background Art
[0002] A pipeline is a device used to transport gas, liquid or fluid with solid particles. Before installation and use, the pipeline needs to be welded to increase the length of the pipeline. During the pipeline welding process, the pipeline joints need to be fine-tuned.
[0003] Patent document CN221474109U discloses a device for fine-tuning pipe weld joints. It addresses the issue of "due to the generally long and heavy pipes, manual butt jointing can lead to extrusion cracking or misalignment of the joint ends, resulting in eccentric, misaligned, and cracked welds, seriously affecting weld quality." The device addresses this issue.
[0004] However, after the pipe is clamped and fixed in the above-mentioned prior art, the position of the pipe is fixed, and the surface at the bottom cannot be processed well. Therefore, a new pipe welding device is proposed to optimize the above-mentioned prior art. Utility Model Content
[0005] The purpose of the utility model is to provide a pipe welding butt joint device to solve the problems raised in the above background technology.
[0006] To achieve the above objectives, the present invention provides the following technical solutions:
[0007] A pipe welding docking device comprises a base plate, a mounting frame is symmetrically provided above the base plate, the mounting frame is open, a pipe to be welded is provided in the opening of the mounting frame, a clamp is installed on the outer side of the pipe, a first I-shaped roller adapted to the clamp is rotatably installed at the bottom of the opening of the mounting frame corresponding to the clamp, the clamp is connected to the first I-shaped roller in a rolling manner, the clamp is embedded in the groove of the first I-shaped roller and adapted, a lifting beam is provided above the mounting frame corresponding to the pipe, a guide rod is symmetrically fixedly connected to the top surface of the lifting beam, and the top end of the guide rod slides through the mounting At the top of the frame, a round hole is provided on the mounting frame for the guide rod to pass through and slide. An electric push rod is fixedly installed on the top of the mounting frame. The telescopic end of the electric push rod slides through the mounting frame and is fixedly connected to the lifting beam. A driving roller is rotatably installed in the middle of the bottom surface of the lifting beam. The driving roller is pressed on the clamp. The driving roller is a rubber roller and has anti-slip grooves on the surface. A large friction driving force is formed by squeezing between the driving roller and the clamp. A fixed plate is extended from the side of the lifting beam. A first motor is fixedly installed on the fixed plate corresponding to the driving roller. The output end of the first motor is fixedly connected to the driving roller.
[0008] As a further solution of the present invention: the clamp includes a first semicircular hoop member and a second semicircular hoop member, both ends of the first semicircular hoop member are symmetrically fixedly connected with threaded columns, the second semicircular hoop member is provided with an installation groove corresponding to the threaded column, the threaded column is inserted into the installation groove and threadedly connected with a fixing nut, and the second semicircular hoop member is provided with a circular hole for the threaded column to pass through the corresponding installation groove.
[0009] As a further solution of the present invention: an extension frame is fixedly connected to the side of the mounting frame, and a support seat is fixedly connected to the tail end of the corresponding pipe on the extension frame, and the support seat slides in contact with the pipe.
[0010] As a further solution of the present invention: the bottom surface of the extension frame and the bottom surface of the mounting frame are symmetrically fixedly connected with sliders, the sliders are slidably connected to two parallel slide rails, and the slide rails are fixedly connected to the top surface of the base plate.
[0011] As a further solution of the present invention: a bidirectional threaded rod is provided between the slide rails, the bidirectional threaded rod is rotatably mounted on the base plate, a second motor is fixedly mounted on the base plate corresponding to the end of the bidirectional threaded rod, the output end of the second motor is fixedly connected to the bidirectional threaded rod, and a threaded connection seat is respectively threadedly connected to the positive and negative threads of the bidirectional threaded rod, and the threaded connection seats are respectively fixedly connected to the corresponding extension frames.
[0012] As a further solution of the present invention: a second I-shaped roller is symmetrically mounted on the bottom surface of the lifting beam, and the second I-shaped roller rolls and squeezes the outside of the clamp.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The utility model uses the first I-shaped roller to cooperate with the clamp to perform transverse limiting and rolling support on the pipeline, and the first motor cooperates with the driving roller to drive the clamp to rotate, so that the entire pipeline can be rotated, thereby facilitating welding processing at different positions of the annular seam of the pipeline 3.
[0015] 2. The utility model drives the lifting beam to move up and down along the sliding direction of the guide rod through an electric push rod, thereby increasing the distance between the lifting beam and the first I-shaped roller below, making it easier to place the pipeline.
[0016] 3. The clamp in the utility model is composed of a first semicircular hoop member and a second semicircular hoop member. The first semicircular hoop member and the second semicircular hoop member are locked and fixed by a threaded column and a fixing nut, and are installed and avoided through the installation groove, so that the clamp can be easily installed and disassembled.
[0017] 4. The utility model can provide auxiliary support to the tail end of the pipeline through the extension frame and the support seat, so as to facilitate the horizontal placement of the pipeline.
[0018] 5. The utility model drives the bidirectional threaded rod through the second motor, thereby driving the two extension frames and the mounting frame through the threaded connection seat. The mounting frame and the extension frame slide on the slide rail through the slider, and the two pipes are driven to approach each other through the I-shaped roller and the clamp, so as to perform the pipe welding operation.
[0019] 6. In the utility model, during the lowering process of the lifting beam, the clamp can be further pressed and limited by the second I-shaped roller, thereby improving the stability of the clamp during rotation. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 The figure is a structural diagram of a pipe welding butt joint device.
[0021] Figure 2 This is a diagram showing a mounting frame in a pipe welding docking device.
[0022] Figure 3 This is an exploded diagram of the local structure of a pipeline welding docking device.
[0023] In the figure: 1. Base plate; 2. Mounting frame; 3. Pipe; 4. Clamp; 5. First I-shaped roller; 6. Lifting beam; 7. Guide rod; 8. Electric push rod; 9. Drive roller; 10. First motor; 11. First semicircular hoop; 12. Second semicircular hoop; 13. Threaded column; 14. Mounting groove; 15. Extension frame; 16. Support seat; 17. Slider; 18. Slide rail; 19. Bidirectional threaded rod; 20. Second motor; 21. Threaded connection seat; 22. Second I-shaped roller. DETAILED DESCRIPTION
[0024] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.
[0025] See also Figures 1 to 3In the embodiment of the present invention, a pipe welding docking device includes a base plate 1, a mounting frame 2 is symmetrically provided above the base plate 1, the mounting frame 2 is set as an opening, a pipe 3 to be welded is provided in the opening of the mounting frame 2, a clamp 4 is installed on the outer side of the pipe 3, a first I-shaped roller 5 adapted to the clamping phase is rotatably installed at the bottom of the opening of the mounting frame 2 corresponding to the clamp 4, the clamp 4 is rollingly connected to the first I-shaped roller 5, the clamp 4 is embedded in the groove of the first I-shaped roller 5 and adapted, a lifting beam 6 is provided above the mounting frame 2 corresponding to the pipe 3, the top surface of the lifting beam 6 is symmetrically fixedly connected to a guide rod 7, and the top end of the guide rod 7 slides A circular hole is provided on the mounting frame 2 for the guide rod 7 to pass through and slide through the top of the mounting frame 2. An electric push rod 8 is fixedly installed on the top of the mounting frame 2. The telescopic end of the electric push rod 8 slides through the mounting frame 2 and is fixedly connected to the lifting beam 6. A driving roller 9 is rotatably installed in the middle of the bottom surface of the lifting beam 6. The driving roller 9 is pressed on the clamp 4. The driving roller 9 is a rubber roller and has anti-slip grooves on the surface. A large friction driving force is formed by squeezing between the driving roller 9 and the clamp 4. A fixed plate is extended from the side of the lifting beam 6. A first motor 10 is fixedly installed on the fixed plate corresponding to the driving roller 9. The output end of the first motor 10 is fixedly connected to the driving roller 9.
[0026] The first I-shaped roller 5 cooperates with the clamp 4 to perform transverse limiting and rolling support on the pipe 3, and the first motor 10 cooperates with the drive roller 9 to drive the clamp 4 to rotate, so that the entire pipe 3 can be rotated, thereby facilitating welding processing at different positions of the annular seam of the pipe 3.
[0027] The lifting beam 6 is driven to move up and down along the sliding direction of the guide rod 7 by the electric push rod 8 , thereby increasing the distance between the lifting beam 6 and the first I-shaped roller 5 below, making it easier to place the pipe 3 .
[0028] The clamp 4 includes a first semicircular hoop member 11 and a second semicircular hoop member 12. Both ends of the first semicircular hoop member 11 are symmetrically fixedly connected with threaded columns 13. The second semicircular hoop member 12 is provided with a mounting groove 14 corresponding to the threaded column 13. The threaded column 13 is inserted into the mounting groove 14 and is threadedly connected with a fixing nut. The second semicircular hoop member 12 is provided with a circular hole corresponding to the mounting groove 14 for the threaded column 13 to pass through.
[0029] The clamp 4 is assembled from a first semicircular hoop part 11 and a second semicircular hoop part 12. The first semicircular hoop part 11 and the second semicircular hoop part 12 are locked and fixed by a threaded column 13 and a fixing nut, and are installed and avoided through an installation groove 14, so that the clamp 4 can be easily installed and disassembled.
[0030] An extension frame 15 is fixedly connected to the side of the mounting frame 2 , and a support seat 16 is fixedly connected to the tail end of the extension frame 15 corresponding to the pipe 3 , and the support seat 16 fits and slides with the pipe 3 .
[0031] The extension frame 15 cooperates with the support base 16 to provide auxiliary support to the tail end of the pipe 3, making it convenient for the pipe 3 to be placed horizontally.
[0032] The bottom surfaces of the extension frame 15 and the mounting frame 2 are symmetrically fixedly connected with sliders 17 . The sliders 17 are slidably connected to two parallel slide rails 18 . The slide rails 18 are fixedly connected to the top surface of the base plate 1 .
[0033] A bidirectional threaded rod 19 is provided between the slide rails 18, and the bidirectional threaded rod 19 is rotatably mounted on the base plate 1. A second motor 20 is fixedly mounted on the end of the base plate 1 corresponding to the bidirectional threaded rod 19. The output end of the second motor 20 is fixedly connected to the bidirectional threaded rod 19, and a threaded connection seat 21 is threadedly connected to the positive and negative threads of the bidirectional threaded rod 19, respectively. The threaded connection seat 21 is fixedly connected to the corresponding extension frame 15.
[0034] The bidirectional threaded rod 19 is driven by the second motor 20, thereby driving the two extension frames 15 and the mounting frame 2 through the threaded connection seat 21. The mounting frame 2 and the extension frame 15 slide on the slide rail 18 through the slider 17, and the two pipes 3 are driven to move closer to each other through the I-shaped roller and the clamp 4, so as to perform the pipe welding operation.
[0035] A second I-shaped roller 22 is symmetrically mounted on the bottom surface of the lifting beam 6 , and the second I-shaped roller 22 rolls and squeezes on the outside of the clamp 4 .
[0036] During the descending process of the lifting beam 6 , the second I-shaped roller 22 can further press and limit the clamp 4 , thereby improving the stability of the clamp 4 during rotation.
[0037] The electric push rod 8, the first motor 10 and the second motor 20 are all externally connected to a power supply and a switch.
[0038] The working principle of this utility model is:
[0039] When in use, the clamp 4 is fixed on the outside of the pipe 3, and the first semicircular hoop 11 and the second semicircular hoop 12 are combined on the outside of the pipe 3. At the same time, the threaded column 13 is used to cooperate with the fixing nut to lock and fix them. At this time, the threaded column 13 and the fixing nut are both retracted in the installation groove 14, thereby forming an avoidance effect. At this time, the pipe 3 is placed in the opening of the mounting frame 2, so that the tail end of the pipe 3 is placed on the support seat 16, and the clamp 4 is embedded in the first I-shaped roller 5. The electric push rod 8 is further started, and the lifting beam 6 is driven to fall with the cooperation of the guide rod 7, and finally the second I-shaped roller 22 is stuck on the outside of the clamp 4. At the same time, the driving roller 9 is against the outside of the clamp 4. At this time, the second motor 20 is started to drive the bidirectional threaded rod 19 to rotate, thereby driving the two extension frames 15 and the mounting frame 2 through the threaded connection seat 21. The mounting frame 2 and the extension frame 15 slide on the slide rail 18 through the slider 17, and the two pipes 3 are driven to move closer to each other through the I-shaped roller and the clamp 4, so that the pipe 3 is welded together. At this time, welding processing can be carried out, and the clamp 4 is driven to rotate by the first motor 10 in cooperation with the driving roller 9, so that the entire pipe 3 can be rotated, thereby facilitating welding processing at different positions of the annular joint of the pipe 3.
[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or 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 scope of protection of the present invention.
Claims
1. A pipe welding butt joint device, comprising a bottom plate (1), characterized in that: A mounting frame (2) is symmetrically provided above the base plate (1), the mounting frame (2) is open, a pipe (3) to be welded is provided in the opening of the mounting frame (2), a clamp (4) is assembled and installed on the outside of the pipe (3), a first I-shaped roller (5) adapted to the clamping phase is rotatably installed at the bottom of the opening of the mounting frame (2) corresponding to the clamp (4), the clamp (4) is rollingly connected to the first I-shaped roller (5), a lifting beam (6) is provided above the mounting frame (2) corresponding to the pipe (3), and a guide rod (7) is symmetrically fixedly connected to the top surface of the lifting beam (6). The top end of the guide rod (7) slides through the top of the mounting frame (2), and an electric push rod (8) is fixedly installed on the top of the mounting frame (2). The telescopic end of the electric push rod (8) slides through the mounting frame (2) and is fixedly connected to the lifting beam (6). A driving roller (9) is rotatably installed in the middle of the bottom surface of the lifting beam (6), and the driving roller (9) is pressed on the clamp (4). A fixing plate extends from the side of the lifting beam (6), and a first motor (10) is fixedly installed on the fixing plate corresponding to the driving roller (9). The output end of the first motor (10) is fixedly connected to the driving roller (9).
2. A pipe welding butt joint device according to claim 1, characterized in that: The clamp (4) comprises a first semicircular hoop member (11) and a second semicircular hoop member (12), wherein both ends of the first semicircular hoop member (11) are symmetrically fixedly connected with threaded columns (13), and the second semicircular hoop member (12) is provided with a mounting groove (14) corresponding to the threaded column (13), and the threaded column (13) is inserted into the mounting groove (14) and is threadedly connected with a fixing nut.
3. The pipe welding butt joint device according to claim 1, characterized in that: An extension frame (15) is fixedly connected to the side of the mounting frame (2), and a support seat (16) is fixedly connected to the tail end of the corresponding pipe (3) on the extension frame (15), and the support seat (16) and the pipe (3) are fitted and slidable.
4. A pipe welding butt joint device according to claim 3, characterized in that: The bottom surface of the extension frame (15) and the bottom surface of the mounting frame (2) are symmetrically fixedly connected with a slider (17), and the slider (17) is respectively slidably connected to two parallel slide rails (18), and the slide rails (18) are fixedly connected to the top surface of the base plate (1).
5. The pipe welding butt joint device according to claim 4, characterized in that: A bidirectional threaded rod (19) is provided between the slide rails (18), and the bidirectional threaded rod (19) is rotatably mounted on the base plate (1). A second motor (20) is fixedly mounted on the base plate (1) at the end portion of the bidirectional threaded rod (19). The output end of the second motor (20) is fixedly connected to the bidirectional threaded rod (19). The forward and reverse threads of the bidirectional threaded rod (19) are respectively threadedly connected to a threaded connection seat (21), and the threaded connection seat (21) is respectively fixedly connected to the corresponding extension frame (15).
6. The pipe welding butt joint device according to claim 1, characterized in that: A second I-shaped roller (22) is symmetrically mounted on the bottom surface of the lifting beam (6), and the second I-shaped roller (22) rolls and squeezes the outside of the clamp (4).
Citation Information
Patent Citations
Fine adjustment device for butt joint of pipeline welding
CN221474109U