A welding device for gas pipes
By cooperating with the equipment base and the auxiliary pipe support, and utilizing the design of pipe clamps and screws, the automatic adjustment and clamping of the gas pipeline welding device are realized, solving the problem of requiring additional support and positioning by the operator in the existing technology, and improving the adaptability and stability of welding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TENGZHOU GAS CORP
- Filing Date
- 2025-07-04
- Publication Date
- 2026-06-16
AI Technical Summary
Existing gas pipeline welding equipment requires additional support and positioning from the operator when performing T-shaped welding, which has certain limitations.
By cooperating with the equipment base and the secondary pipe support, and utilizing the design of pipe clamps, screws, and positioning frames, the automatic adjustment and clamping of the pipe can be achieved, avoiding the need for additional support.
It improves the adaptability and stability of the welding equipment, reduces the additional support requirements for operators, and enhances the flexibility and stability of the welding process.
Smart Images

Figure CN224359644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas pipeline field especially relates to a kind of welding device of gas pipeline. BACKGROUND
[0002] The prior art (publication number: CN117644308B) proposes a welding device for gas pipeline, which includes a support beam and a cross beam. The support beam is arranged at both ends of the cross beam, and the cross beam is symmetrically arranged on both sides of the center line of the support beam. The cross beam is connected to the support beam, and a support member is installed on the cross beam. The support member is symmetrically arranged on both sides of the center line of the cross beam. A bracket is installed on one side of the cross beam. The bracket is provided with a pushing member and a pressing member. The pushing member is installed on one side of the bracket, and the pressing member is installed on the top of the bracket. However, the pressing member includes a second threaded rod, a rotating shaft, a first bevel gear, a second bevel gear, a sliding block and a pressing roller. The device is supported by multiple sets of pressing rollers on the upper part of the cross beam. Since the cross beam is a straight line structure, the operator needs to perform additional support positioning when performing T-shaped welding on the pipeline, which has certain limitations. SUMMARY
[0003] The utility model provides a kind of welding device for gas pipeline, which is used to clamp the pipeline through the pipe clamp on the upper part of the auxiliary pipeline support of the equipment base, and then rotate the auxiliary pipeline support on the side of the equipment base to adjust the pipeline to the appropriate position. Then, rotate the lead screw at the lower part of the auxiliary pipeline support to lock the clamping plate inside the positioning frame to the lower part of the positioning rod. Thus, the device can clamp and fix the welding angle according to the actual needs of T-shaped welding, without the need for additional support by the operator during the process. This increases the adaptability of the device.
[0004] The utility model aims to achieve the following technical solutions:
[0005] A welding device for gas pipelines includes an equipment base, a bolt table, a positioning frame, a positioning rod, a lead screw, a rear-end double-threaded rod, and a rear-end clamping table threaded seat. The side of the equipment base is fixedly connected to the bolt table. The upper part of the equipment base has a clamping cavity with a screw shaft groove inside. The double-threaded rod has a screw shaft inside, and the screw shaft groove is adapted to the screw shaft. The screw shaft groove connects to the screw shaft, and the screw shaft rotates within the screw shaft groove. The front part of the screw shaft is fixedly connected to a handle, and the lower part of the clamping table is fixedly connected to the clamping table threaded seat. The clamp's inner cavity is adapted to the clamp table threaded seat, which is connected to the clamp table threaded seat. The clamp table threaded seat slides inside the clamp's inner cavity. The clamp table threaded seat is threaded to the side of the double-threaded rod. The upper part of the equipment base is fixedly connected to the angle shaft disc, which is adapted to the angle shaft. The angle shaft disc is connected to the angle shaft, which rotates on the side of the angle shaft disc. The rear part of the angle shaft is fixedly connected to the secondary pipe support, and the lower part of the secondary pipe support is fixedly connected to the positioning frame. The rear part of the equipment base is fixedly connected to the positioning rod, which is adapted to the positioning frame.
[0006] The positioning rod is connected to the positioning frame, the positioning frame slides on the upper part of the positioning rod, the lower part of the positioning frame has a lead screw groove, the lower part of the clamping plate is fixedly connected to the lead screw seat, the inside of the lead screw seat is rotatably connected to the lead screw, the lead screw groove is adapted to the lead screw, and the lead screw groove is connected to the lead screw.
[0007] The lead screw is threaded inside the lead screw groove. The rear part of the secondary pipe support is fixedly connected to the roller support frame, and the lower part of the roller support frame is rotatably connected to the roller support. The secondary pipe support has a rear clamp cavity inside, which is adapted to the rear double threaded rod. Beneficial effects
[0008] 1. In the process of using the gas pipeline welding device of this utility model, after the pipeline is clamped by the pipe clamp on the upper part of the auxiliary pipeline support through the equipment base, the auxiliary pipeline support on the side of the equipment base is rotated to adjust the pipeline to a suitable position. Then, the screw at the lower part of the auxiliary pipeline support is rotated to cause the screw to drive the clamping plate inside the positioning frame to press and lock it to the lower part of the positioning rod. This allows the equipment to clamp and fix the welding angle according to the actual needs of T-shaped welding, without the need for additional support from the operator, thereby increasing the adaptability of the equipment.
[0009] 2. During the use of this utility model gas pipeline welding device, the pipeline is welded and supported by the auxiliary pipeline support on the side of the equipment base. The positioning rod on the side of the equipment base and the support roller at the bottom of the auxiliary pipeline support provide auxiliary support for the auxiliary pipeline support, thereby avoiding deformation and jamming caused by unilateral force on the angle axis at the front of the auxiliary pipeline support, thus increasing the stability of the equipment.
[0010] 3. During the use of this utility model gas pipeline welding device, the main pipeline is clamped by two sets of pipe clamps in the upper part of the clamp cavity. Since the inner cavity of the clamp has a moving tilt angle, the equipment avoids the accumulation of debris at the bottom of the clamp cavity during use, which would cause the equipment to jam, thereby further increasing the stability of the equipment. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the welding device for a gas pipeline according to the present invention.
[0012] Figure 2 This is a three-dimensional assembly diagram of a welding device for a gas pipeline according to the present invention.
[0013] Figure 3 This is a partial cross-sectional schematic diagram of the positioning frame structure of the welding device for a gas pipeline according to the present invention.
[0014] Figure 4 This is a partial cross-sectional schematic diagram of the support roller frame structure of the welding device for a gas pipeline according to the present invention.
[0015] Figure 5 This is a partial cross-sectional schematic diagram of the inner cavity structure of the clamp in the welding device for gas pipelines according to this utility model.
[0016] Figure 6 This is a three-dimensional assembly schematic diagram of a partial cross-section of the inner cavity structure of the welding device clamp for a gas pipeline according to the present invention.
[0017] Figure 7 This is a partial cross-sectional three-dimensional assembly diagram of the auxiliary pipe support structure of the welding device for a gas pipeline according to the present invention. Detailed Implementation
[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
[0019] Example 1:
[0020] A gas pipeline welding device includes an equipment base 01, a bolt table 02, a positioning frame 14, a positioning rod 15, a lead screw 19, a rear double-threaded rod 23, and a rear clamping table threaded seat 25. The side of the equipment base 01 is fixedly connected to the bolt table 02. The upper part of the equipment base 01 has a clamping cavity 03. During use, the gas pipeline welding device clamps the main pipeline through two sets of pipe clamps 10 on the upper part of the clamping cavity 03. Because the clamping cavity 03 has a movable tilt angle, it avoids the accumulation of debris at the bottom of the clamping cavity 03 during use, thus preventing the device from jamming and further increasing the stability of the device. The clamping cavity 03 has a screw shaft groove 04, and the double-threaded rod 05 has a screw shaft 06. The screw shaft groove 04 is adapted to the screw shaft 06 and connects to the screw shaft 06. The screw shaft 06 rotates inside the screw shaft groove 04. The front part of the screw shaft 06 is fixedly connected to the handle 07. The lower part of the clamping table 08 is fixedly connected to the clamping table threaded seat 09. The clamping inner cavity 03 is adapted to the clamping table threaded seat 09. The clamping inner cavity 03 is connected to the clamping table threaded seat 09. The clamping table threaded seat 09 slides inside the clamping inner cavity 03. The clamping table threaded seat 09 is threadedly connected to the side of the double threaded rod 05. The upper part of the equipment base 01 is fixedly connected to the angle shaft disk 11. The angle shaft disk 11 is adapted to the angle shaft 12. The angle shaft disk 11 is connected to the angle shaft 12. The angle shaft 12 rotates on the side of the angle shaft disk 11. The rear part of the angle shaft 12 is fixedly connected to the auxiliary pipe support 13. The lower part of the auxiliary pipe support 13 is fixedly connected to the positioning frame 14. The rear part of the equipment base 01 is fixedly connected to the positioning rod 15. The positioning rod 15 is adapted to the positioning frame 14.
[0021] Example 2:
[0022] The positioning rod 15 of this utility model is connected to the positioning frame 14. The positioning frame 14 slides on the upper part of the positioning rod 15. The lower part of the positioning frame 14 has a screw groove 16. The lower part of the clamping plate 17 is fixedly connected to the screw rotating seat 18. The screw rotating seat 18 is rotatably connected to the screw 19. During the use of the gas pipeline welding device, after the pipeline is clamped by the pipe clamp 10 on the upper part of the auxiliary pipeline support 13 through the equipment base 01, the auxiliary pipeline support 13 on the side of the equipment base 01 is rotated to adjust the pipeline to a suitable position. Then, the screw 19 at the lower part of the auxiliary pipeline support 13 is rotated to make the screw 19 drive the clamping plate 17 inside the positioning frame 14 to press and lock it to the lower part of the positioning rod 15. This allows the equipment to clamp and fix the welding angle according to the actual needs of T-shaped welding without the need for additional support from the operator, thereby increasing the adaptability of the equipment. The screw groove 16 is adapted to the screw 19 and the screw groove 16 is connected to the screw 19.
[0023] Example 3:
[0024] The lead screw 19 of this utility model is threadedly connected inside the lead screw groove 16. The rear part of the auxiliary pipe support 13 is fixedly connected to the roller support 20, and the lower part of the roller support 20 is rotatably connected to the roller support 21. During the use of the gas pipeline welding device, the auxiliary pipe support 13 on the side of the equipment base 01 provides welding support for the pipeline. The positioning rod 15 on the side of the equipment base 01 and the roller support 21 at the bottom of the auxiliary pipe support 13 provide auxiliary support for the auxiliary pipe support 13, so as to avoid deformation and jamming caused by unilateral force on the angle shaft 12 at the front of the auxiliary pipe support 13, thereby increasing the stability of the equipment. The auxiliary pipe support 13 has a rear clamp cavity 22 inside, which is adapted to the rear double threaded rod 23.
[0025] Example 4:
[0026] The rear clamp inner cavity 22 of this utility model is connected to the rear double threaded rod 23. The rear double threaded rod 23 rotates inside the rear clamp inner cavity 22. The side of the rear double threaded rod 23 is fixedly connected to the rear handle 24. The rear clamp inner cavity 22 is adapted to the rear clamp platform thread seat 25.
[0027] Example 5:
[0028] The rear clamp inner cavity 22 of this utility model is connected to the rear clamp platform threaded seat 25. The rear clamp inner cavity 22 of the rear clamp platform threaded seat 25 slides inside. The upper part of the rear clamp platform threaded seat 25 is fixedly connected to the rear clamp platform 26. The upper part of the clamp platform 08 and the upper part of the rear clamp platform 26 are both fixedly connected to the pipe clamp 10. The positions of the two sets of pipe clamps 10 are corresponding.
[0029] Example 6:
[0030] Installation steps of this utility model: Fix the side of the equipment base 01 to the bolt seat 02; rotate the screw shaft 06 inside the screw shaft groove 04; fix the front of the screw shaft 06 to the handle 07; fix the lower part of the clamping platform 08 to the clamping platform threaded seat 09; slide the clamping platform threaded seat 09 inside the clamping cavity 03; thread the clamping platform threaded seat 09 to the side of the double threaded rod 05; fix the upper part of the equipment base 01 to the angle shaft disk 11; rotate the angle shaft 12 to the side of the angle shaft disk 11; fix the rear of the angle shaft 12 to the auxiliary pipe support 13; fix the lower part of the auxiliary pipe support 13 to the positioning frame 14; fix the rear of the equipment base 01 to the positioning rod 15; and fix the positioning frame 14 to the positioning rod... 15 Slides the upper part, fixes the lower part of the clamping plate 17 to the lead screw seat 18, rotates the lead screw 19 inside the lead screw seat 18, threads the lead screw 19 inside the lead screw groove 16, fixes the rear part of the auxiliary pipe support 13 to the roller bracket 20, rotates the lower part of the roller bracket 20 to the roller 21, rotates the rear double threaded rod 23 inside the rear clamp cavity 22, fixes the side of the rear double threaded rod 23 to the rear handle 24, slides the rear clamp cavity 22 inside the rear clamp seat 25, fixes the upper part of the rear clamp seat 25 to the rear clamp table 26, fixes the upper part of the clamp table 08 and the upper part of the rear clamp table 26 to the pipe clamp 10, and aligns the positions of the two sets of pipe clamps 10.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A welding device for gas pipelines, characterized in that: The equipment includes a base (01), a bolt table (02), a positioning frame (14), a positioning rod (15), a lead screw (19), a rear double-threaded rod (23), and a rear clamping table threaded seat (25). The side of the equipment base (01) is fixedly connected to the bolt table (02). The upper part of the equipment base (01) has a clamping cavity (03). The clamping cavity (03) has a screw shaft groove (04) inside. The double-threaded rod (05) has a screw shaft (06) inside. The screw shaft groove (04) is adapted to the screw shaft (06). The screw shaft groove (04) is connected to the screw shaft (06). The screw shaft (06) rotates inside the screw shaft groove (04). The front part of the screw shaft (06) is fixedly connected to the handle (07). The lower part of the clamping table (08) is fixedly connected to the clamping table threaded seat (09). The clamping cavity... (03) Adapted to the clamp table thread seat (09), the clamp inner cavity (03) is connected to the clamp table thread seat (09), the clamp table thread seat (09) slides inside the clamp inner cavity (03), the clamp table thread seat (09) is threaded on the side of the double thread rod (05), the upper part of the equipment base (01) is fixedly connected to the angle shaft disk (11), the angle shaft disk (11) is adapted to the angle shaft (12), the angle shaft disk (11) is connected to the angle shaft (12), the angle shaft (12) rotates on the side of the angle shaft disk (11), the rear part of the angle shaft (12) is fixedly connected to the auxiliary pipe support (13), the lower part of the auxiliary pipe support (13) is fixedly connected to the positioning frame (14), the rear part of the equipment base (01) is fixedly connected to the positioning rod (15), the positioning rod (15) is adapted to the positioning frame (14).
2. The welding apparatus for a gas pipeline according to claim 1, characterized in that: The positioning rod (15) is connected to the positioning frame (14). The positioning frame (14) slides on the upper part of the positioning rod (15). The lower part of the positioning frame (14) has a screw groove (16). The lower part of the clamping plate (17) is fixedly connected to the screw seat (18). The inside of the screw seat (18) is rotatably connected to the screw (19). The screw groove (16) is adapted to the screw (19). The screw groove (16) is connected to the screw (19).
3. The welding apparatus for a gas pipeline according to claim 2, characterized in that: The lead screw (19) is threaded inside the lead screw groove (16). The rear part of the auxiliary pipe support (13) is fixedly connected to the roller support frame (20). The lower part of the roller support frame (20) is rotatably connected to the roller support (21). The auxiliary pipe support (13) has a rear end clamp cavity (22) inside. The rear end clamp cavity (22) is adapted to the rear end double threaded rod (23).
4. The welding apparatus for a gas pipeline according to claim 3, characterized in that: The rear clamp cavity (22) is connected to the rear double threaded rod (23). The rear double threaded rod (23) rotates inside the rear clamp cavity (22). The side of the rear double threaded rod (23) is fixedly connected to the rear handle (24). The rear clamp cavity (22) is adapted to the rear clamp table thread seat (25).
5. The welding apparatus for a gas pipeline according to claim 1, characterized in that: The rear clamp inner cavity (22) is connected to the rear clamp platform thread seat (25). The rear clamp inner cavity (22) of the rear clamp platform thread seat (25) slides inside. The upper part of the rear clamp platform thread seat (25) is fixedly connected to the rear clamp platform (26). The upper part of the clamp platform (08) and the upper part of the rear clamp platform (26) are both fixedly connected to the pipe clamps (10). The positions of the two sets of pipe clamps (10) are corresponding.