Electric power iron tower steel pipe grooving device
By designing a ball joint rod, a hydraulic system clamping assembly, and a servo motor-driven grooving device, the problem of insufficient fixation of circular steel pipes in existing devices was solved, achieving stable clamping and efficient grooving of steel pipes of different shapes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU XINWU STEEL STRUCTURE ENG CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-05-12
AI Technical Summary
Existing power tower steel pipe grooving devices can only clamp round steel pipes, which lacks applicability. Furthermore, the clamping needs to be released and adjusted when grooving on different sides, which affects efficiency.
A grooving device for steel pipes in power towers, comprising a clamping assembly and a grooving assembly, was designed. It utilizes a ball joint and a hydraulic system to achieve stable clamping of steel pipes of different diameters and shapes, and uses a servo motor to drive the processing head to perform grooving, allowing the steel pipe to rotate and adjust the grooving position.
It achieves stable clamping of steel pipes with different cross-sectional shapes, reduces the risk of slippage, and improves grooving efficiency and flexibility.
Smart Images

Figure CN224222864U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel pipe grooving technology, specifically a grooving device for steel pipes of power transmission towers. Background Technology
[0002] Steel pipes are hollow steel materials whose length is much greater than their diameter or circumference. They are classified by cross-sectional shape into circular, square, rectangular, and irregularly shaped steel pipes; and by material into carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes, and composite steel pipes. With the development of modern infrastructure, the use of steel pipe materials is becoming increasingly frequent, especially in the construction of power transmission towers, whose main structure is primarily supported by steel pipes. When using steel pipes, to improve the tightness and convenience of connections, grooves need to be cut at specified intervals at their upper ends.
[0003] The existing patent (publication number: CN220278953U) discloses a grooving device for steel pipes of power transmission towers. By setting up a steel pipe placement device, the arc-shaped pressure plate, together with the trapezoidal connecting block and the surface rubber protrusion, can form a clamping mechanism for the steel pipes of power transmission towers and has a certain degree of adjustability. This allows the grooving device to be equipped with a structure that limits and fixes steel pipes of different models of power transmission towers during use. It has strong adaptability and good performance during use.
[0004] However, the above-mentioned technical solution still has certain defects. When clamping the steel pipe of the power tower, the device can only fix steel pipes with a circular cross-section. However, steel pipes come in different shapes, which makes the device lack certain applicability. At the same time, when grooving the steel pipe, if grooving is required on different sides of the steel pipe, the clamping device needs to be released to rotate and adjust the steel pipe, which seriously affects the grooving efficiency. Therefore, a grooving device for steel pipe of power tower is proposed. Utility Model Content
[0005] Therefore, the purpose of this utility model is to provide a grooving device for steel pipes of power transmission towers to solve the technical problems mentioned in the background.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a grooving device for steel pipes of power transmission towers, comprising a workbench, wherein a grooving component for enlarging holes in steel pipes is provided on one side of the top of the workbench, and a clamping component is provided at the top of the workbench.
[0007] The clamping assembly includes three sets of square blocks fixed to the top of the worktable. Two sets of rings are rotatably connected within the three sets of square blocks. Two sets of horizontal tubes are symmetrically fixed to the inner walls of the curved surfaces of the two sets of rings. An arc-shaped block is fixed to the end of each horizontal tube and extends into its interior. Several sets of grooves are formed inside the arc-shaped block. The grooves are connected by multiple sets of guide tubes. A limiting shaft is slidably connected within each groove. A ball-head rod is fixed to one end of the limiting shaft. A second electric push rod is installed at the front end of the top of the worktable. A horizontal plate is connected to the movable end of the second electric push rod. Three sets of piston rods are fixed to the side of the horizontal plate away from the second electric push rod. A piston cylinder is slidably connected to the surface of each of the three sets of piston rods. A connecting pipe is provided on the outer wall of the curved surface of the piston cylinder. A diversion pipe is provided at the end of the connecting pipe away from the piston cylinder, penetrating one side of the square block.
[0008] As a preferred technical solution, the grooving assembly includes an L-shaped plate fixed to one side of the top of the workbench, a first servo motor is installed on one side of the L-shaped plate, a threaded screw is fixed to the output end of the first servo motor, a moving block is rotatably connected to the threaded screw, and a connecting plate fixed to the L-shaped plate is provided at the end of the threaded screw away from the first servo motor.
[0009] As a preferred technical solution, a first electric push rod is installed at the bottom of the moving block, a second servo motor is fixed at the movable end of the first electric push rod, a processing head for slotting the steel pipe is fixed at the output end of the second servo motor, and a fixing mechanism is provided on both sides of the processing head and mounted on the second servo motor.
[0010] As a preferred technical solution, a through groove is provided between the square block and the ring, and annular strips are provided on both sides of the ring and rotatably connected to the square block.
[0011] As a preferred technical solution, the two sets of horizontal tubes are respectively connected to the two sets of grooves, and the end of the ball head rod away from the limiting axis passes through one side of the arc-shaped block.
[0012] As a preferred technical solution, the three sets of piston cylinders are respectively fixed to three sets of square blocks, and hydraulic oil is stored inside the piston cylinders.
[0013] As a preferred technical solution, one end of the horizontal tube passes through the ring and is connected to the through groove, and the diversion tube is connected to the through groove.
[0014] In summary, the present invention has the following main advantages:
[0015] This invention effectively clamps and fixes steel pipes of different diameters by setting multiple sets of ball-head rods. It can also better adapt to the circumferential curvature of steel pipes with different cross-sections such as circles and polygons, effectively enhancing the stability of the contact surface and reducing the risk of slippage. After grooving is completed, the workers can rotate the steel pipe under the action of the ring, thereby flexibly adjusting the grooving position and further improving the efficiency of grooving. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall components of this utility model;
[0017] Figure 2 This is a schematic diagram of the processing head of this utility model;
[0018] Figure 3 This is a schematic diagram of the clamping component of this utility model;
[0019] Figure 4 This is a schematic diagram of the interior of the square block of this utility model;
[0020] Figure 5 This is a schematic diagram of the circular ring of this utility model;
[0021] Figure 6 This is a schematic diagram of the interior of the arc-shaped block of this utility model.
[0022] In the diagram: 100, grooving assembly; 110, worktable; 111, L-shaped plate; 120, first servo motor; 130, threaded screw; 140, connecting plate; 150, moving block; 160, first electric push rod; 170, second servo motor; 180, processing head; 190, fixing mechanism;
[0023] 200. Clamping assembly; 210. Square block; 211. Through groove; 220. Ring; 221. Annular bar; 230. Horizontal tube; 240. Arc-shaped block; 241. Groove; 250. Guide tube; 260. Limiting shaft; 270. Ball head rod; 280. Second electric push rod; 290. Horizontal plate; 2910. Piston rod; 2920. Piston cylinder; 2930. Connecting tube; 2940. Diverter tube. Detailed Implementation
[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0025] The embodiments of this utility model will be described below based on its overall structure.
[0026] A grooving device for steel pipes of power transmission towers, such as Figure 1-6 As shown, it includes a workbench 110, a slotting assembly 100 for enlarging holes in steel pipes is provided on one side of the top of the workbench 110, and a clamping assembly 200 is provided at the top of the workbench 110.
[0027] The clamping assembly 200 includes three sets of square blocks 210 fixed to the top of the worktable 110. Two sets of circular rings 220 are rotatably connected within the three sets of square blocks 210. Two sets of horizontal tubes 230 are symmetrically fixed to the inner curved walls of the two sets of circular rings 220. An arc-shaped block 240 is fixed to the end of each horizontal tube 230 and extends into it. Several sets of grooves 241 are formed inside the arc-shaped block 240. These grooves 241 are connected by multiple sets of guide tubes 250. A limiting shaft 260 is slidably connected within each groove 241. A ball-end rod 270 is fixed to one end of the limiting shaft 260. A second electric pusher is installed at the front end of the top of the worktable 110. The second electric push rod 280 has a horizontal plate 290 connected to its movable end. Three sets of piston rods 2910 are fixed on the side of the horizontal plate 290 away from the second electric push rod 280. Piston cylinders 2920 are slidably connected to the surfaces of the three sets of piston rods 2910. A connecting pipe 2930 is provided on the curved outer wall of the piston cylinder 2920. A diversion pipe 2940 is provided at the end of the connecting pipe 2930 away from the piston cylinder 2920, which passes through one side of the square block 210. A through groove 211 is provided between the square block 210 and the ring 220. Annular bars 221 are rotatably connected to the square block 210 on both sides of the ring 220.
[0028] By inserting the steel pipe between the three sets of square blocks 210, and then activating the second electric push rod 280, the horizontal plate 290 is moved. This causes the horizontal plate 290 to drive the three sets of piston rods 2910 to compress the hydraulic oil inside the piston cylinder 2920. The hydraulic oil then enters the through groove 211 through the connecting pipe 2930 and the diverting pipe 2940. From there, it enters the horizontal pipe 230 and the groove 241. Finally, the hydraulic oil enters multiple sets of grooves 241 through the guide pipe 250. Under pressure, the ball head rod 270 moves within the groove 241. The ball joint 270 slides until it abuts against the outer wall of the steel pipe, and pressure is continuously applied to the ball joint 270 through hydraulic oil to fix the steel pipe. By setting multiple sets of ball joint 270, steel pipes of different diameters can be clamped and fixed effectively. At the same time, it can better adapt to the circumferential curvature of steel pipes with different cross-sections such as circles and polygons, effectively enhancing the stability of the contact surface and reducing the risk of slippage. After the grooving is completed, the operator can rotate the steel pipe under the action of the ring 220, thereby flexibly adjusting the grooving position and further improving the grooving efficiency.
[0029] Please refer to this carefully. Figure 1 and Figure 2The grooving assembly 100 includes an L-shaped plate 111 fixed to one side of the top of the workbench 110. A first servo motor 120 is installed on one side of the L-shaped plate 111. A threaded screw 130 is fixed to the output end of the first servo motor 120. A moving block 150 is rotatably connected to the threaded screw 130. A connecting plate 140 fixed to the L-shaped plate 111 is provided at the end of the threaded screw 130 away from the first servo motor 120. A first electric push rod 160 is installed at the bottom of the moving block 150. A second servo motor 170 is fixed to the movable end of the first electric push rod 160. A processing head 180 for grooving steel pipes is fixed to the output end of the second servo motor 170. Fixing mechanisms 190 installed on the second servo motor 170 are provided on both sides of the processing head 180.
[0030] The first servo motor 120 is started to drive the threaded screw 130 to rotate, which in turn drives the moving block 150 to move horizontally. The moving block 150 then drives the first electric push rod 160 to move to the designated position. Subsequently, the first electric push rod 160 is started to drive the fixing mechanism 190 to limit the surface of the steel pipe to prevent it from rotating. Then, the second servo motor 170 is started to cause the processing head 180 to perform grooving on the steel pipe.
[0031] Please refer to this carefully. Figure 5 and Figure 6 Two sets of horizontal tubes 230 are connected to two sets of grooves 241 respectively, and the end of the ball head rod 270 away from the limiting shaft 260 passes through one side of the arc block 240.
[0032] The ball joint 270 allows for better clamping and fixing of steel pipes with different sizes and end faces.
[0033] Please refer to this carefully. Figure 3 and Figure 4 The three sets of piston cylinders 2920 are fixed to the three sets of square blocks 210 respectively, and the piston cylinders 2920 contain hydraulic oil. One end of the horizontal pipe 230 passes through the ring 220 and is connected to the through groove 211. The diverter pipe 2940 is connected to the through groove 211.
[0034] By connecting the horizontal pipe 230, the diversion pipe 2940 and the through groove 211, it is convenient for the horizontal pipe 230 to drive the arc block 240 to move.
[0035] In use, the steel pipe is inserted between three sets of square blocks 210, and then multiple sets of ball-head rods 270 fix the steel pipe. By setting multiple sets of ball-head rods 270, steel pipes of different diameters can be effectively clamped and fixed. At the same time, it can better adapt to the circumferential curvature of steel pipes with different cross-sections such as round and polygonal, effectively enhancing the stability of the contact surface and reducing the risk of slippage. After the grooving is completed, the operator can rotate the steel pipe under the action of the ring 220, thereby flexibly adjusting the grooving position and further improving the grooving efficiency. By starting the first servo motor 120, the moving block 150 drives the first electric push rod 160 to move to the designated position. Then, the first electric push rod 160 drives the fixing mechanism 190 to limit the surface of the steel pipe to prevent it from rotating. Then, the second servo motor 170 is started, so that the processing head 180 performs grooving on the steel pipe. The parts of this device not mentioned are the same as or can be implemented using existing technology.
[0036] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A grooving device for steel pipes of power transmission towers, comprising a workbench (110), characterized in that: The top side of the workbench (110) is provided with a slotting assembly (100) for expanding the hole of the steel pipe, and the top of the workbench (110) is provided with a clamping assembly (200). The clamping assembly (200) includes three sets of square blocks (210) fixed to the top of the worktable (110). Two sets of circular rings (220) are rotatably connected within the three sets of square blocks (210). Two sets of horizontal tubes (230) are symmetrically fixed to the inner walls of the curved surfaces of the two sets of circular rings (220). An arc-shaped block (240) is fixed to the end of the horizontal tube (230) and extends into it. Several sets of grooves (241) are formed inside the arc-shaped block (240). The several sets of grooves (241) are connected by multiple sets of guide tubes (250). A limiting shaft (260) is slidably connected within the groove (241). One end of the limiting shaft (260) is... A ball-head rod (270) is fixed. A second electric push rod (280) is installed at the front end of the top of the worktable (110). The movable end of the second electric push rod (280) is connected to a horizontal plate (290). Three sets of piston rods (2910) are fixed on the side of the horizontal plate (290) away from the second electric push rod (280). Piston cylinders (2920) are slidably connected to the surfaces of the three sets of piston rods (2910). A connecting pipe (2930) is provided on the curved outer wall of the piston cylinder (2920). A diversion pipe (2940) is provided at the end of the connecting pipe (2930) away from the piston cylinder (2920) and passes through one side of the square block (210).
2. The grooving device for steel pipes of power transmission towers according to claim 1, characterized in that: The slotting assembly (100) includes an L-shaped plate (111) fixed to one side of the top of the workbench (110). A first servo motor (120) is installed on one side of the L-shaped plate (111). A threaded screw (130) is fixed to the output end of the first servo motor (120). A moving block (150) is rotatably connected to the threaded screw (130). A connecting plate (140) fixed to the L-shaped plate (111) is provided at the end of the threaded screw (130) away from the first servo motor (120).
3. The grooving device for steel pipes of power transmission towers according to claim 2, characterized in that: The bottom end of the movable block (150) is equipped with a first electric push rod (160), the movable end of the first electric push rod (160) is fixed with a second servo motor (170), the output end of the second servo motor (170) is fixed with a processing head (180) for slotting steel pipes, and the processing head (180) is provided with fixing mechanisms (190) on both sides of the second servo motor (170).
4. The grooving device for steel pipes of power transmission towers according to claim 1, characterized in that: A through groove (211) is provided between the square block (210) and the ring (220), and annular strips (221) are provided on both sides of the ring (220) and are rotatably connected to the square block (210).
5. The grooving device for steel pipes of power transmission towers according to claim 1, characterized in that: The two sets of horizontal tubes (230) are respectively connected to the two sets of grooves (241), and the end of the ball head rod (270) away from the limiting shaft (260) passes through one side of the arc block (240).
6. The grooving device for steel pipes of power transmission towers according to claim 1, characterized in that: The three sets of piston cylinders (2920) are respectively fixed to the three sets of square blocks (210), and the piston cylinders (2920) contain hydraulic oil.
7. The grooving device for steel pipes of power transmission towers according to claim 1, characterized in that: One end of the horizontal tube (230) passes through the ring (220) and is connected to the through groove (211), and the diversion tube (2940) is connected to the through groove (211).