Electric power steel pipe pole connecting and fastening device
By designing a power steel pipe rod connection and fastening device including a fixed connection ring, a positioning tube and a curved plate, the problem of insufficient connection speed and inability to achieve precise positioning in the prior art is solved, and the rapid and precise positioning connection between steel pipes is achieved, and the connection efficiency and stress strength are improved.
Patent Information
- Application Number
- CN202422424265.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The existing connection method of power steel pipe rods requires more bolts to be screwed, resulting in insufficient connection speed and inability to achieve precise positioning.
A power steel pipe rod connection and fastening device is designed, using components such as fixed connection rings, positioning tubes, arc plates, limit grooves and connection screws. Through the coordination of positioning tubes and arc plates, a rapid positioning connection between the steel pipes is achieved.
Quick connection and positioning between steel pipes is achieved, reducing dependence on bolts, improving connection efficiency, and enhancing the stress strength at the connection.
Smart Images
Figure CN223035442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of the connection of electric power steel pipe poles, in particular to a connection fastening device for electric power steel pipe poles. Background Technique
[0002] Electric power steel pipe poles are usually composed of steel pipes and various accessories, and are used to support overhead lines, communication equipment, etc. They have the advantages of light weight, high strength, corrosion resistance, etc., so they are widely used in the fields of electric power, communication, transportation, etc.
[0003] At present, the electric power steel pipe poles are composed of multiple steel pipes connected end to end, and the connection and fixation between the steel pipes usually adopt the fixed connection method of flange plates and bolts. However, in this connection method, there are many bolts that need to be turned, and rapid connection and positioning cannot be achieved. For this reason, we propose a connection fastening device for electric power steel pipe poles. Content of the Utility Model
[0004] The purpose of the utility model is to provide a connection fastening device for electric power steel pipe poles, which has the advantages of being able to quickly carry out positioning connection when connecting between steel pipes, without turning many bolts, improving the efficiency, and solving the problem that the current electric power steel pipe poles are composed of multiple steel pipes connected end to end, and the connection and fixation between the steel pipes usually adopt the fixed connection method of flange plates and bolts. However, in this connection method, there are many bolts that need to be turned, and rapid connection and positioning cannot be achieved.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A connection fastening device for electric power steel pipe poles, including a fixed connection ring, a steel pipe and a connection screw rod. A flange plate is welded at the end of the steel pipe. A positioning insertion pipe is welded on the inner wall of the fixed connection ring. The end of the positioning insertion pipe is located inside the steel pipe. A fixed connecting rod is fixedly connected to the outer surface of the fixed connection ring. And the end of the fixed connecting rod is rotatably connected with two arc-shaped plates through a rotating shaft. Limiting grooves are arranged on the inner walls of the two arc-shaped plates. Both the flange plate and the fixed connection ring are located inside the limiting grooves. Fixed blocks are welded at the ends of the two arc-shaped plates. Through slots are arranged on the outer surfaces of the two fixed blocks.
[0006] Preferably, a connection screw rod is movably inserted into the through slot, and a connection nut is movably sleeved on the outer surface of the connection screw rod.
[0007] Preferably, a pin hole is arranged at a position near the end of the outer surface of the connection screw rod, and a fixing pin is fixedly inserted into the pin hole. The fixing pin plays a role in limiting the connection nut on the connection screw rod to prevent the connection nut from slipping off the connection screw rod.
[0008] Preferably, a plurality of positioning insertion posts are equidistantly arranged in a circular array on both the upper surface and the lower surface of the fixed connection ring, and the ends of the positioning insertion posts are located inside the bolt holes on the outer surface of the flange. The positioning insertion posts can be inserted into the bolt holes on the flange, which plays a role in positioning and restricting the connection between the flange and the fixed connection ring, and at the same time improves the stress strength at the connection between the flange and the fixed connection ring.
[0009] Preferably, a central rod is arranged at the middle position inside the positioning insertion tube, and a plurality of reinforcing plates are welded equidistantly in a circular array between the outer surface of the central rod and the inner wall of the positioning insertion tube. The central rod and the reinforcing plates can improve the strength of the positioning insertion tube to enhance the radial stress strength of the positioning insertion tube.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] 1. By setting the fixed connection ring, positioning insertion tube, rotating shaft, fixed connecting rod, arc plate, limiting groove, fixed block, through notch, connecting screw, steel pipe and flange, the present utility model achieves the effect of being able to quickly perform positioning connection during the connection of steel pipes without screwing a large number of bolts, thus improving the efficiency. When connecting two steel pipes, the two ends of the positioning insertion tube are respectively inserted into the two steel pipes, and the flanges at the ends of the two steel pipes are respectively in contact with the upper and lower surfaces of the fixed connection ring. Then, rotate the two arc plates so that the ends of the two arc plates are fixed by the connecting screw. Then, the flange and the fixed connection ring both enter the limiting groove and are fixed, that is, the connection and fixation of the steel pipes are completed.
[0012] 2. By setting the pin hole and the fixed pin, the present utility model achieves the effect of preventing the connection nut from slipping off the connecting screw. When the fixed pin is inserted into the pin hole, it plays a role in limiting the connection nut on the connecting screw to prevent the connection nut from slipping off the connecting screw.
[0013] 3. By setting the positioning insertion posts, the present utility model achieves the effect of being able to improve the stress strength at the connection between the flange and the fixed connection ring. The positioning insertion posts can be inserted into the bolt holes on the flange, which plays a role in positioning and restricting the connection between the flange and the fixed connection ring, and at the same time improves the stress strength at the connection between the flange and the fixed connection ring. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional schematic diagram of the present utility model;
[0015] Figure 2 is a partial three-dimensional schematic diagram of the fixed connection ring of the present utility model;
[0016] Figure 3 is a partial three-dimensional schematic diagram of the connecting screw of the present utility model;
[0017] Figure 4 This is the front view structural schematic diagram of the present utility model.
[0018] Reference numerals: 1, fixed connection ring; 2, flange; 3, through notch; 4, fixed block; 5, arc plate; 6, limit groove; 7, steel pipe; 8, connecting screw; 9, rotating shaft; 10, positioning insertion tube; 11, central rod; 12, reinforcing plate; 13, positioning insertion post; 14, fixed connecting rod; 15, pin hole; 16, fixed pin; 17, connecting nut. Specific embodiments
[0019] The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0020] Embodiment 1
[0021] As Figures 1-4 shown, a connection fastening device for a power steel pipe pole proposed by the present utility model includes a fixed connection ring 1, a steel pipe 7, and a connecting screw 8. A plurality of steel pipes 7 are connected end to end and fixed to form a power steel pipe pole. A flange 2 is welded to the end of the steel pipe 7. A plurality of bolt holes are formed on the outer surface of the flange 2 and are equally spaced in a circumferential array. A positioning insertion tube 10 is welded to the inner wall of the fixed connection ring 1. The end of the positioning insertion tube 10 is located inside the steel pipe 7. The outer diameter of the positioning insertion tube 10 is equal to the inner diameter of the steel pipe 7. A fixed connecting rod 14 is fixedly connected to the outer surface of the fixed connection ring 1. The end of the fixed connecting rod 14 is rotatably connected to two arc plates 5 through a rotating shaft 9. The arc plates 5 are semi-circular. After the two arc plates 5 are connected end to end, they form a complete circular fixed connection member.
[0022] Limit grooves 6 are provided on the inner walls of both arc plates 5. The flange 2 and the fixed connection ring 1 are both located inside the limit grooves 6. Fixed blocks 4 are welded to the ends of both arc plates 5. Through notches 3 are provided on the outer surfaces of both fixed blocks 4. A connecting screw 8 is movably inserted into the through notch 3. A connecting nut 17 is movably sleeved on the outer surface of the connecting screw 8. A pin hole 15 is provided at a position near the end of the outer surface of the connecting screw 8. A fixed pin 16 is fixedly inserted into the pin hole 15. The fixed pin 16 plays a role in limiting the connecting nut 17 on the connecting screw 8 to prevent the connecting nut 17 from slipping off the connecting screw 8.
[0023] When the present utility model is in use, the two ends of the positioning insertion tube 10 are respectively inserted into the two steel pipes 7, and the flanges 2 at the ends of the two steel pipes 7 are respectively in contact with the upper and lower surfaces of the fixed connection ring 1. Then, the two arc plates 5 are rotated so that the ends of the two arc plates 5 are fixed through the connecting screw 8. Then, the flange 2 and the fixed connection ring 1 both enter the limit grooves 6 and are fixed, that is, the connection and fixation between the steel pipes 7 are completed.
[0024] Embodiment 2
[0025] As Figure 1 , Figure 2 and Figure 4 shown, a connection fastening device for a power steel pipe pole proposed by the present utility model. Compared with the first embodiment, this embodiment further includes that a plurality of positioning insertion posts 13 are evenly distributed at equal intervals in a circular array on both the upper surface and the lower surface of the fixed connection ring 1, and the ends of the positioning insertion posts 13 are located inside the bolt holes on the outer surface of the flange 2. A central rod 11 is arranged at the middle position inside the positioning insertion tube 10. The central rod 11 and the positioning insertion tube 10 are coaxial. A plurality of reinforcing plates 12 are welded at equal intervals in a circular array between the outer surface of the central rod 11 and the inner wall of the positioning insertion tube 10. The central rod 11 and the reinforcing plates 12 can improve the strength of the positioning insertion tube 10 to improve the radial force-bearing strength of the positioning insertion tube 10.
[0026] In this embodiment, the positioning insertion posts 13 can be inserted into the bolt holes on the flange 2, which plays a role in positioning and restricting the connection between the flange 2 and the fixed connection ring 1, and at the same time improves the force-bearing strength at the connection between the flange 2 and the fixed connection ring 1.
[0027] The above specific embodiments are only several preferred embodiments of the present utility model. Based on the technical solution of the present utility model and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A power steel pipe pole connection and fastening device, comprising a fixed connection ring (1), a steel pipe (7) and a connection screw (8), characterized in that: A flange (2) is welded to the end of the steel pipe (7), a positioning insert (10) is welded to the inner wall of the fixed connection ring (1), the end of the positioning insert (10) is located inside the steel pipe (7), a fixed connecting rod (14) is fixedly connected to the outer surface of the fixed connection ring (1), and the end of the fixed connecting rod (14) is rotatably connected to two arc plates (5) through a rotating shaft (9), the inner walls of the two arc plates (5) are both provided with limiting grooves (6), the flange (2) and the fixed connection ring (1) are both located inside the limiting grooves (6), the ends of the two arc plates (5) are both welded with fixing blocks (4), and the outer surfaces of the two fixing blocks (4) are both provided with through notches (3).
2. The electric power steel pipe pole connection and fastening device according to claim 1, characterized in that: A connecting screw (8) is movably inserted into the through slot (3), and a connecting nut (17) is movably sleeved on the outer surface of the connecting screw (8).
3. The electric power steel pipe pole connection and fastening device according to claim 2 is characterized in that: A pin hole (15) is provided on the outer surface of the connecting screw rod (8) near the end, and a fixing pin (16) is fixedly inserted into the pin hole (15).
4. The electric power steel pipe pole connection and fastening device according to claim 1, characterized in that: The upper and lower surfaces of the fixed connection ring (1) are both provided with a plurality of positioning plug posts (13) in an annular array at equal intervals, and the ends of the positioning plug posts (13) are located inside the bolt holes on the outer surface of the flange (2).
5. The electric power steel pipe pole connection and fastening device according to claim 1, characterized in that: A central rod (11) is arranged at the middle position inside the positioning insert (10), and a plurality of reinforcing plates (12) are welded at equal intervals in a circular array between the outer surface of the central rod (11) and the inner wall of the positioning insert (10).