Hydraulic engineering pipeline welding device
By designing a welding device for water conservancy engineering pipelines, and using a rotating connecting shaft and a screw rod to adjust the height of the welding pen, the positioning problem caused by the arc structure of metal pipelines was solved, and precise welding of different pipelines was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-04-10
AI Technical Summary
During the welding of metal pipes, the arc-shaped structure makes it difficult for manual welding to accurately position the arc surface on the back side, and the auxiliary welding device is difficult to fix due to the difference in pipe size.
A welding device for water conservancy engineering pipelines was designed. By rotating the connecting shaft, the sliding shaft groove is driven to fit tightly against the outer wall of the pipeline. The pipeline is fixed by the positioning block and the locking spring. The height of the welding pen can be adjusted by the screw rod to adapt to different pipeline arc surfaces.
It enables precise positioning and welding of different pipes, solves the problem of difficult positioning of pipe arc surfaces, and improves the accuracy and efficiency of welding.
Smart Images

Figure CN224102215U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pipeline welding device, in particular to a water conservancy project pipeline welding device belongs to pipeline welding technical field. BACKGROUND
[0002] Pipeline welding technology is the core process of water conservancy project pipeline connection, originated in the early 20th century manual arc welding, gradually upgrading with the development of material science and automation technology, modern welding device integrates multi-axis mechanical arm, high-precision sensing and intelligent control algorithm, adapts to carbon steel, stainless steel and HDPE etc.
[0003] In the process of welding metal pipeline, due to the arc structure of metal pipeline, it is difficult to accurately position the rear arc surface in the manual welding process, and an auxiliary welding device needs to be used, but due to the size difference between the pipelines, the auxiliary welding device is difficult to fix. Therefore, we provide a water conservancy project pipeline welding device to solve the above problems. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model provides a water conservancy project pipeline welding device to solve the above problems, and the specific technical scheme is:
[0005] A water conservancy project pipeline welding device, including the extension board, the extension board inner surface is slidably connected with the distance control board, the distance control board outer surface is fixedly connected with the pencil block, the distance control board inner surface is slidably connected with the pressure rod, one end of the pressure rod is fixedly connected with the rotating shaft frame, the rotating shaft frame outer surface is fixedly connected with the extension board, the rotating shaft frame lower surface is rotatably connected with the screw groove rod, the screw groove rod outer surface is screwedly connected with the height control board, the height control board outer surface is slidably connected with the rotating shaft frame, the height control board outer surface is fixedly connected with the rotating connecting plate, the rotating connecting plate inner surface is rotatably connected with the slotted shaft, the slotted shaft inner surface is slidably connected with the pressure shaft arc, the pressure shaft arc outer arc surface is fixedly connected with the sliding shaft groove, the sliding shaft groove inner surface is fixedly connected with the connecting piece shaft, the connecting piece shaft inner surface is clamped with the positioning block, the positioning block inner surface is slidably connected with the clamping spring, one end of the clamping spring is fixedly connected with the sliding frame, the sliding frame inner surface is slidably connected with the positioning block, the sliding frame outer surface is fixedly connected with the magnetic attraction arc, one end of the magnetic attraction arc is rotatably connected with the connecting piece shaft.
[0006] Preferably, the extension board is a rectangular plate, and a group of rectangular columns are arranged on the outer surfaces of the two sides of the extension board, each group of rectangular columns comprises two rectangular columns, and a distance control board is slidably connected between each group of rectangular columns.
[0007] Preferably, the rotating shaft frame is a rectangular plate, a circular groove is arranged on the lower surface of the rotating shaft frame, the diameter of the circular groove is consistent with the diameter of the screw groove rod, two rectangular plates are arranged on the lower surface of the rotating shaft frame, and a height control board is slidably connected between the two rectangular plates. The length of each rectangular plate is half the length of the rotating connecting plate.
[0008] Preferably, the rotating connecting plate is a rectangular plate, the length of the rotating connecting plate is consistent with the length of the extension plate, and a ring-shaped block is arranged at the lower end of the rotating connecting plate, and a slotted shaft is rotatably connected to the inner wall of the ring-shaped block.
[0009] Preferably, the slotted shaft is a circular stake, an annular groove is arranged on the outer circumferential surface of the slotted shaft, the width of the annular groove is consistent with the width of the pressure shaft arc, a circular rod is fixedly connected to one end of the slotted shaft, and the outer circumferential surface of the circular rod is rotatably connected with the rotating connecting plate.
[0010] Preferably, the sliding shaft groove is a half-arc-shaped block, an arc-shaped groove is arranged on the outer surface of the sliding shaft groove, a circular groove is arranged at one end of the arc-shaped groove, and the diameter of the circular groove is consistent with the diameter of the connecting shaft.
[0011] Preferably, the connecting shaft is a circular rod, a circular stake is fixedly connected to one end of the connecting shaft, five equidistant and equal-sized sector-shaped grooves are arranged on the outer circumferential surface of the circular stake, and a positioning block is clamped in the inner wall of the sector-shaped groove.
[0012] Preferably, the positioning block is a square block, a circular groove is arranged on the lower surface of the positioning block, the depth of the circular groove is twice the length of the clamping spring, and a sector-shaped block is arranged on the upper surface of the positioning block.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The water conservancy project pipeline welding device drives the sliding shaft groove to rotate in the rotating process of the connecting shaft, and makes the inner arc surface of the sliding shaft groove tightly abut against the outer wall of the metal pipeline, so that the positioning block is pushed up by the clamping spring and re-clamped into the slotted connecting shaft, thereby achieving the purpose of auxiliary positioning of the pipeline fixing device, and solving the problem that the auxiliary welding device is difficult to fix due to the size difference between different pipelines.
[0015] 2. The water conservancy project pipeline welding device drives the extension plate to lift through the thread groove in the rotating process of the screw groove rod, and then repeatedly adjusts the height of the electric welding pen, and then pushes the extension plate to make the extension plate slide along the sliding shaft groove through the slotted shaft, thereby achieving the purpose of welding along the outer arc surface of the metal pipeline, and solving the problem that the pipeline arc surface may be difficult to position in the process. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the back structure of the utility model;
[0018] Figure 3 It is a schematic diagram of the local structure of the utility model;
[0019] Figure 4 It is a partial sectional structure schematic view of the utility model.
[0020] The drawings show: the extension plate 1, the distance control plate 2, the pencil clamping block 3, the pressing rod 4, the rotating shaft frame 5, the screw groove rod 6, the height control plate 7, the rotating connecting plate 8, the slotted shaft 9, the pressing shaft arc 10, the sliding shaft slot 11, the connecting piece shaft 12, the positioning block 13, the clamping spring 14, the sliding frame 15, the magnetic attraction arc 16. DETAILED DESCRIPTION
[0021] The utility model will be further described with reference to the drawings.
[0022] Please refer to Figure 1 、 Figure 2 The extension plate 1 is a rectangular plate, and a group of rectangular columns are arranged on the outer surfaces of the two sides of the extension plate 1, and each group of rectangular columns comprises two rectangular columns. The distance control plate 2 is slidably connected between each group of rectangular columns. The extension plate 1 is used to provide necessary working environment for part of the device.
[0023] The distance control plate 2 is slidably connected to the inner surface of the extension plate 1. The pencil clamping block 3 is fixedly connected to the outer surface of the distance control plate 2. The pressing rod 4 is slidably arranged in the distance control plate 2. One end of the pressing rod 4 is fixedly connected to the rotating shaft frame 5. The rotating shaft frame 5 is a rectangular plate. A circular groove is arranged on the lower surface of the rotating shaft frame 5. The diameter of the circular groove is consistent with the diameter of the screw groove rod 6. Two rectangular plates are arranged on the lower surface of the rotating shaft frame 5. The height control plate 7 is slidably connected between the two rectangular plates. The length of each rectangular plate is half of the length of the rotating connecting plate 8. The rotating shaft frame 5 is used to lift the extension plate 1.
[0024] The extension plate 1 is fixedly connected to the outer surface of the rotating shaft frame 5. The screw groove rod 6 is rotatably connected to the lower surface of the rotating shaft frame 5. The height control plate 7 is threadedly connected to the outer surface of the screw groove rod 6. The rotating shaft frame 5 is slidably connected to the outer surface of the height control plate 7. The rotating connecting plate 8 is fixedly connected to the outer surface of the height control plate 7. The rotating connecting plate 8 is a rectangular plate. The length of the rotating connecting plate 8 is consistent with the length of the extension plate 1. A ring-shaped block is arranged at the lower end of the rotating connecting plate 8. The ring-shaped block is rotatably connected to the inner wall of the slotted shaft 9. The rotating connecting plate 8 is used to guide the moving direction of the extension plate 1 and drive the extension plate 1 to rotate.
[0025] The slotted shaft 9 is rotatably connected to the inner surface of the rotating connecting plate 8. The slotted shaft 9 is a circular column. A ring-shaped groove is arranged on the outer circumferential surface of the slotted shaft 9. The width of the ring-shaped groove is consistent with the width of the pressing shaft arc 10. A circular rod is fixedly connected to one end of the slotted shaft 9. The circular rod is rotatably connected to the rotating connecting plate 8. The slotted shaft 9 is used to drive the rotating connecting plate 8 to slide and limit the rotation of the rotating connecting plate 8 with itself as the axis. The pressing shaft arc 10 is slidably connected to the inner surface of the slotted shaft 9.
[0026] Please refer to Figure 3 、 Figure 4, the outer arc surface of the arc 10 is fixedly connected with a sliding shaft groove 11, the sliding shaft groove 11 is a one-half arc-shaped block, an arc-shaped groove is arranged on the outer surface of the sliding shaft groove 11, one end of the arc-shaped groove is provided with a circular groove, the diameter of the circular groove is consistent with the diameter of the connecting shaft 12, and the sliding shaft groove 11 is used for limiting the sliding range and distance of the slotted shaft 9.
[0027] The inner surface of the sliding shaft groove 11 is fixedly connected with the connecting shaft 12, the connecting shaft 12 is a circular rod, one end of the connecting shaft 12 is fixedly connected with a circular stake, the outer circumferential surface of the circular stake is provided with five equidistant and equal-sized sector-shaped grooves, the sector-shaped grooves are clamped with the positioning blocks 13, and the connecting shaft 12 is used for fixing part of the device and assisting in positioning the device through the slotted shaft 9.
[0028] The inner surface of the connecting shaft 12 is clamped with the positioning blocks 13, the positioning blocks 13 are square blocks, the lower surface of the positioning blocks 13 is provided with a circular groove, the depth of the circular groove is twice the length of the clamping spring 14, the upper surface of the positioning blocks 13 is provided with a sector-shaped block, and the positioning blocks 13 are used for limiting the connecting shaft 12 through the sector-shaped blocks.
[0029] The inner surface of the positioning blocks 13 is slidably connected with the clamping spring 14, one end of the clamping spring 14 is fixedly connected with a sliding guide frame 15, the inner surface of the sliding guide frame 15 is slidably connected with the positioning blocks 13, the outer surface of the sliding guide frame 15 is fixedly connected with a magnetic suction arc 16, one end of the magnetic suction arc 16 is rotatably connected with the connecting shaft 12.
[0030] In use, when welding the pipeline, the inner arc surface of the magnetic suction arc 16 is tightly attached to the metal pipeline near the gap according to the gap to be welded, then the connecting shaft 12 is rotated, so that the connecting shaft 12 drives the sliding shaft groove 11 to rotate in the process of rotation, and the inner arc surface of the sliding shaft groove 11 is tightly attached to the outer wall of the metal pipeline, the clamping spring 14 is pushed up to re-enter the groove of the connecting shaft 12 in the process of rotation of the connecting shaft 12, so that the pipeline fixing device is assisted in positioning, then the electric welding pen is clamped between the two pen clamping blocks 3, then the screw groove rod 6 is rotated, so that the outer extension plate 1 is lifted in the process of rotation of the screw groove rod 6 through the thread groove, and the height of the electric welding pen is repeatedly adjusted, then the outer extension plate 1 is pushed, so that the outer extension plate 1 slides along the groove of the sliding shaft groove 11 through the slotted shaft 9, and the outer arc surface of the metal pipeline is better welded.
[0031] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall within the protection scope of the claims of the utility model.
Claims
1. Hydraulic engineering pipe welding device comprising an extension plate (1), characterized in that: The extension plate (1) is connected with the distance control plate (2) on the inner surface, the distance control plate (2) is fixedly connected with the pencil block (3) on the outer surface, the distance control plate (2) is slidably connected with the pressure rod (4) on the inner surface, one end of the pressure rod (4) is fixedly connected with the rotating shaft frame (5), the rotating shaft frame (5) is fixedly connected with the extension plate (1) on the outer surface, the rotating shaft frame (5) is rotatably connected with the screw groove rod (6) on the lower surface, the screw groove rod (6) is threadedly connected with the height control plate (7) on the outer surface, the height control plate (7) is slidably connected with the rotating shaft frame (5) on the outer surface, the height control plate (7) is fixedly connected with the rotating connecting plate (8) on the outer surface, the rotating connecting plate (8) is rotatably connected with the slotted shaft (9) on the inner surface, the slotted shaft (9) is slidably connected with the pressure shaft arc (10) on the inner surface, the pressure shaft arc (10) is fixedly connected with the sliding shaft groove (11) on the outer arc surface, the sliding shaft groove (11) is fixedly connected with the connecting shaft (12) on the inner surface, the connecting shaft (12) is clamped with the positioning block (13) on the inner surface, the positioning block (13) is slidably connected with the clamping spring (14) on the inner surface, one end of the clamping spring (14) is fixedly connected with the sliding frame (15), the sliding frame (15) is slidably connected with the positioning block (13) on the inner surface, the sliding frame (15) is fixedly connected with the magnetic attraction arc (16) on the outer surface, one end of the magnetic attraction arc (16) is rotatably connected with the connecting shaft (12).
2. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The extension plate (1) is a rectangular plate, and a group of rectangular columns are arranged on the outer surfaces of the two sides of the extension plate (1), each group of rectangular columns comprises two rectangular columns, and the distance control plate (2) is slidably connected between the two rectangular columns.
3. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The rotating shaft frame (5) is a rectangular plate, a circular groove is arranged on the lower surface of the rotating shaft frame (5), the diameter of the circular groove is consistent with the diameter of the screw groove rod (6), two rectangular plates are arranged on the lower surface of the rotating shaft frame (5), and the height control plate (7) is slidably connected between the two rectangular plates, and the length of each rectangular plate is half of the length of the rotating connecting plate (8).
4. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The rotating connecting plate (8) is a rectangular plate, the length of the rotating connecting plate (8) is consistent with the length of the extension plate (1), and a ring block is arranged at the lower end of the rotating connecting plate (8), and the ring block is rotatably connected with the slotted shaft (9).
5. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The slotted shaft (9) is a circular column, a ring groove is arranged on the outer circumferential surface of the slotted shaft (9), the width of the ring groove is consistent with the width of the pressure shaft arc (10), one end of the slotted shaft (9) is fixedly connected with a circular rod, and the outer circumferential surface of the circular rod is rotatably connected with the rotating connecting plate (8).
6. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The sliding shaft groove (11) is a half-arc-shaped block, an arc-shaped groove is arranged on the outer surface of the sliding shaft groove (11), one end of the arc-shaped groove is provided with a circular groove, and the diameter of the circular groove is consistent with the diameter of the connecting shaft (12).
7. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The connecting shaft (12) is a circular rod, one end of the connecting shaft (12) is fixedly connected with a circular column, a circular column is arranged on the outer circumferential surface of the circular column, and five equidistant and equal-sized sector grooves are arranged on the outer circumferential surface of the circular column.
8. The hydraulic engineering pipeline welding device according to claim 1, characterized in that: The positioning block (13) is a square block, a circular groove is arranged on the lower surface of the positioning block (13), the depth of the circular groove is twice the length of the clamping spring (14), and a sector block is arranged on the upper surface of the positioning block (13).