Overhead structure for large-span cable line

By adopting a combined structure of base, reinforcing frame, support frame and cable-bearing wheel in long-span cable lines, the problem of insufficient wind resistance in existing technologies is solved, and the flexibility and stability of the structure are achieved, ensuring the safe operation of cable lines.

CN223838740UActive Publication Date: 2026-01-27DALIAN GUOKANG ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202520354099.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-27
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

The existing overhead structures of long-span cable lines need to be reinforced in terms of wind resistance and overall structure, making it difficult to meet the needs of cable lines of different lengths and loads.

Method used

It adopts a combined structure including a base, a reinforcing frame, a support frame, and cable trays. It is reinforced by reinforcing rods and connecting plates, and the number of support frames and cable trays can be flexibly adjusted to meet the needs of cable lines of different lengths and loads.

Benefits of technology

It improves the stability of cable lines under severe weather conditions, reduces the risk of failures caused by weather factors, and ensures the safe operation of cable lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of cable erection, and discloses an overhead structure for a large-span cable line, which comprises a base, the bottom of the base is fixedly connected with an embedded foundation pillar, the top of the base is vertically and fixedly connected with a hack lever, the outer side of the base is provided with a reinforcing frame, and the reinforcing frame is in a square frame shape. The four corners of the top of the reinforcing frame are fixedly connected with the bottom ends of reinforcing rods, the top ends of the four reinforcing rods incline towards the frame rods, the sides, close to the frame rods, of the top ends of the reinforcing rods are fixedly connected with connecting plates, and the four connecting plates are fixedly connected with the outer walls of the frame rods. The long plates, the connecting rods and the short plates are mutually connected to play a role in reinforcing the long plates, the reinforcing frame is installed on the outer side of the base, and the frame rods are connected in a reinforcing mode through the reinforcing rods and the connecting plates. Therefore, excellent stability can be maintained under severe weather conditions. The stability ensures the safe operation of the cable line, and reduces the fault risk caused by weather factors.
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Description

Technical Field

[0001] This utility model relates to the field of cable laying, specifically to an overhead structure for long-span cable lines. Background Technology

[0002] With the rapid development of the power industry, cable lines are being used more and more widely in power systems, especially in long-span areas such as intercity transmission corridors, mountainous areas, and rivers, where the demand for cable line installation is increasing. Currently, the wind resistance and overall structure of overhead cable lines for long spans need further reinforcement. Utility Model Content

[0003] To overcome the above-mentioned shortcomings, this utility model provides an overhead structure for long-span cable lines.

[0004] The technical solution adopted by this utility model is as follows:

[0005] An overhead structure for long-span cable lines includes a base, with a pre-embedded column fixedly connected to the bottom of the base, and a support pole vertically fixedly connected to the top of the base. The outer side of the base has a reinforcing frame, which is square in shape. The bottom ends of reinforcing rods are fixedly connected to the top four corners of the reinforcing frame. The tops of the four reinforcing rods are inclined towards the support pole. A connecting plate is fixedly connected to the top of the reinforcing rod near the support pole. All four connecting plates are fixedly connected to the outer wall of the support pole. Fixing plates are fixedly connected to the four corners of the outer wall of the reinforcing frame. Anchor bolts are inserted into the top two sides of the four fixing plates. Several support frames are sleeved on the outer wall of the support pole. The support frames are evenly distributed vertically and are in the shape of an inverted isosceles trapezoid. Cable-carrying wheels are rotatably installed on the front, rear, top, left, and right sides of the support frames.

[0006] The support frame includes two short plates symmetrically distributed on the front and rear sides of the frame pole. A long plate is located directly above each short plate. The left and right ends of the front sidewall of the rear short plate are vertically slidably connected to two screw rods. Each screw rod penetrates the left and right ends of the front short plate. A nut is threaded onto the outer wall of the front end of each screw rod, and the rear wall of the nut abuts against the front sidewall of the front short plate. The left and right ends of the front sidewall of the rear long plate are slidably connected to two screw rods. Each screw rod penetrates the left and right ends of the front long plate, and a nut is threaded onto the outer wall of the front end of each screw rod. The rear wall of the nut abuts against the front sidewall of the front long plate. One side of the screw rod... Screw 1 and screw 2 slide through both ends of the connecting rod, which is distributed front and back. The two ends of the connecting rod are fixedly connected to the ends of the long plate and the short plate, respectively. Sleeve 1 is fixedly connected to the opposite sidewalls of the two short plates. The opposite sidewalls of the two sleeves 1 have arc-shaped recesses. The two sleeves 1 are attached to the outer wall of the frame. Sleeve 2 is fixedly connected to the opposite sidewalls of the two long plates. The opposite sidewalls of the two sleeves 2 have arc-shaped recesses. The two sleeves 2 are attached to the outer wall of the frame. The left and right sides of the opposite sidewalls of the two long plates are vertically fixedly connected to the support shaft. The wire-laying wheel is rotatably mounted on the outer wall of the support shaft.

[0007] Both ends of the rear sleeve plate 1 and both ends of the front sleeve plate 1 are slidably connected to screw rod 3. The two screw rod 3s pass through both ends of the front sleeve plate 1 and both ends of the rear sleeve plate 1. The screw rod 3s pass through both ends of the front short plate and both ends of the rear short plate. The outer wall of the front end of the screw rod 3 is threaded with nut 3. The rear side wall of nut 3 abuts against the front side wall of the front short plate. Screw rod 3 is slidably connected to the short plate. Both the left and right ends of the rear sleeve plate 2 and both the left and right ends of the front sleeve plate 2 are slidably connected to screw rod 4. The two screw rod 4s pass through both the left and right ends of the front sleeve plate 2 and the left and right ends of the rear sleeve plate 2, respectively. Screw rod 4s pass through the front long plate and the rear long plate. Screw rod 4s pass through the front side wall of the front long plate. The outer wall of the front end of the screw rod 4 is threaded with nut 4. The rear side wall of nut 4 abuts against the front side wall of the front long plate.

[0008] The beneficial effects of this utility model are:

[0009] The design of this overhead structure allows for the increase or decrease of the number of support frames and cable trays as needed, thereby adapting to the requirements of cable lines of different lengths and loads. This flexibility enables the structure to be widely used in cable line installations of various scales.

[0010] The interconnection of long plates, connecting rods, and short plates reinforces the long plates. A reinforcing frame is installed on the outside of the base, and the support rods are further reinforced by reinforcing rods and connecting plates. This ensures excellent stability even in harsh weather conditions. This stability guarantees the safe operation of the cable line and reduces the risk of failures caused by weather factors. Attached Figure Description

[0011] Figure 1This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0013] The reference numerals in all the attached drawings are as follows: 1. Base; 2. Embedded column; 3. Frame pole; 4. Reinforcing frame; 5. Reinforcing rod; 6. Connecting plate; 7. Fixing plate; 8. Anchor bolt; 9. Short plate; 10. Long plate; 11. Screw one; 12. Nut one; 13. Screw two; 14. Nut two; 15. Connecting rod; 16. Sleeve one; 17. Screw three; 18. Nut three; 19. Sleeve two; 20. Screw four; 21. Nut four; 22. Support shaft; 23. Cable reel. Detailed Implementation

[0014] like Figure 1-2 As shown: An overhead structure for long-span cable lines includes a base 1, with a pre-embedded column 2 fixedly connected to the bottom of the base 1, and a support pole 3 vertically fixedly connected to the top of the base 1. The outer side of the base 1 has a reinforcing frame 4, which is square in shape. The bottom ends of reinforcing rods 5 are fixedly connected to the top four corners of the reinforcing frame 4. The tops of the four reinforcing rods 5 are inclined towards the support pole 3. A connecting plate 6 is fixedly connected to the side of the top of the reinforcing rod 5 near the support pole 3. The four connecting plates 6 are fixedly connected to the outer wall of the support pole 3. Fixing plates 7 are fixedly connected to the four corners of the outer wall of the reinforcing frame 4. Anchor bolts 8 are inserted into the top two sides of the four fixing plates 7. Several support frames are sleeved on the outer wall of the support pole 3. The support frames are evenly distributed vertically and are in the shape of an inverted isosceles trapezoid. Cable-carrying wheels 23 are rotatably installed on the front, back, top, left, and right sides of the support frames.

[0015] The support frame includes two short plates 9, symmetrically distributed on the front and rear sides of the support rod 3. A long plate 10 is located directly above each of the two short plates 9. The left and right ends of the front sidewall of the rear short plate 9 are vertically slidably connected to screw rods 11. The two screw rods 11 pass through the left and right ends of the front short plate 9, respectively. Nuts 12 are threaded onto the outer wall of the front end of screw rods 11, and the rear sidewall of nut 12 abuts against the front sidewall of the front short plate 9. The left and right ends of the front sidewall of the rear long plate 10 are slidably connected to screw rods 2 13, respectively passing through the left and right ends of the front long plate 10. Nuts 2 14 are threaded onto the outer wall of the front end of screw rods 2 13, and the rear sidewall of nut 2 14 abuts against the front sidewall of the front long plate 10. One screw rod... 11 and screw 13 slide through both ends of connecting rod 15. Connecting rod 15 is distributed front and back. The two ends of connecting rod 15 are fixedly connected to the ends of long plate 10 and short plate 9, respectively. Sleeve 16 is fixedly connected to the opposite sidewalls of the two short plates 9. The opposite sidewalls of the two sleeves 16 have arc-shaped recesses. The two sleeves 16 are attached to the outer wall of the frame rod 3. Sleeve 29 is fixedly connected to the opposite sidewalls of the two long plates 10. The opposite sidewalls of the two sleeves 29 have arc-shaped recesses. The two sleeves 29 are attached to the outer wall of the frame rod 3. Support shaft 22 is vertically fixedly connected to the left and right sides of the opposite sidewalls of the two long plates 10. The wire-laying wheel 23 is rotatably installed on the outer wall of the support shaft 22.

[0016] Both ends of the rear sleeve 16 and both ends of the front sleeve 16 are slidably connected to screw rods 3 17. Two screw rods 3 17 pass through both ends of the front sleeve 16 and the rear sleeve 16. Screw rods 3 17 also pass through both ends of the front short plate 9 and the rear short plate 9. Nuts 3 18 are threaded onto the outer wall of the front end of screw rods 3 17, and the rear wall of nut 3 18 abuts against the front wall of the front short plate 9. Screw rods 3 17 are slidably connected to short plate 9. Rear sleeve 2 1... Both ends of 9 are slidably connected to screw 4 20, and both ends of the front sleeve plate 2 19 are slidably connected to screw 4 20. The two screw 4 20 pass through the left and right ends of the front sleeve plate 2 19 and the left and right ends of the rear sleeve plate 2 19 respectively. Screw 4 20 passes through the front long plate 10 and the rear long plate 10. Screw 4 20 passes through the front side wall of the front long plate 10. Nut 4 21 is threaded onto the outer wall of the front end of screw 4 20. The rear side wall of nut 4 21 abuts against the front side wall of the front long plate 10.

[0017] First, the pre-embedded column 2 is fixedly buried in the ground to ensure stability. Then, the base 1 is fixedly connected to the top of the pre-embedded column 2, and the frame rod 3 is vertically fixedly connected to the top of the base 1. This step completes the installation of the basic support part of the entire overhead structure.

[0018] A reinforcing frame 4 is installed on the outside of the base 1, and the frame pole 3 is reinforced and connected by reinforcing rods 5 and connecting plates 6. At the same time, fixing plates 7 are installed at the four corners of the outer wall of the reinforcing frame 4, and the entire frame pole 3 structure is further fixed to the outside by anchor bolts 8, thereby enhancing its wind and earthquake resistance.

[0019] As needed, an appropriate number of support frames are fitted onto the outer wall of the frame rod 3. The installation of the support frames is accomplished by the cooperation of components such as short plate 9, long plate 10, screw 11, nut 12, screw 2 13, nut 2 14 and connecting rod 15. Among them, short plate 9 and long plate 10 are fitted onto the frame rod 3 by sleeve plate 16 and sleeve plate 2 19 respectively, and are fixed in the front and back directions by screw 3 17, nut 3 18, screw 4 20 and nut 4 21.

[0020] Cable-laying wheels 23 are rotatably mounted on the left and right sides of the top of the support frame for laying cable lines. The cable-laying wheels 23 are rotatably mounted on the side wall of the long plate 10 via the support shaft 22.

[0021] The interconnection of the long plate 10, the connecting rod 15 and the short plate 9 serves to reinforce the long plate 10. A reinforcing frame 4 is installed on the outside of the base 1, and the frame rod 3 is reinforced and connected by the reinforcing rod 5 and the connecting plate 6.

Claims

1. An overhead structure for long-span cable lines, characterized in that, The base (1) is fixedly connected to the bottom of the base (1) and the pre-embedded column (2). The top of the base (1) is vertically fixedly connected to the frame rod (3). The outer side of the base (1) has a reinforcing frame (4). The reinforcing frame (4) is square. The bottom of the reinforcing rod (5) is fixedly connected to the four corners of the top of the reinforcing frame (4). The top of the four reinforcing rods (5) is inclined towards the frame rod (3). The top of the reinforcing rod (5) is fixedly connected to the connecting plate (6) on the side of the frame rod (3). The four connecting plates (6) are fixedly connected to the outer wall of the frame rod (3). The four corners of the outer wall of the reinforcing frame (4) are fixedly connected to the fixing plate (7). The top two sides of the four fixing plates (7) are all inserted with anchor bolts (8). The outer wall of the frame rod (3) is fitted with several support frames. The support frames are evenly distributed up and down. The support frames are in the shape of an inverted isosceles trapezoid. The front and rear sides, top and left and right sides of the support frames are all rotatably installed with wire-laying wheels (23).

2. The overhead structure for long-span cable lines according to claim 1, characterized in that, The support frame includes two short plates (9), which are symmetrically distributed on the front and rear sides of the support rod (3). Each short plate (9) has a long plate (10) directly above it. The left and right ends of the front sidewall of the rear short plate (9) are vertically slidably connected to screw rods (11). The two screw rods (11) pass through the left and right ends of the front short plate (9), respectively. The outer wall of the front end of screw rod (11) is threaded with nut rod (12). The rear sidewall of nut rod (12) abuts against the front sidewall of the front short plate (9). The left and right ends of the front sidewall of the rear long plate (10) are slidably connected to screw rods (13). The two screw rods (13) pass through the left and right ends of the front long plate (10), respectively. The outer wall of the front end of screw rod (13) is threaded with nut rod (14). The rear sidewall of nut rod (14) abuts against the front sidewall of the front long plate (10). One screw rod on one side... (11) and screw two (13) slide through the two ends of the connecting rod (15) respectively. The connecting rod (15) is distributed front and back. The two ends of the connecting rod (15) are fixedly connected to the end of the long plate (10) and the end of the short plate (9) respectively. The opposite side walls of the two short plates (9) are fixedly connected to the sleeve plate one (16). The opposite side walls of the two sleeve plates one (16) have arc-shaped depressions. The two sleeve plates one (16) are attached to the outer wall of the frame rod (3). The opposite side walls of the two long plates (10) are fixedly connected to the sleeve plate two (19). The opposite side walls of the two sleeve plates two (19) have arc-shaped depressions. The two sleeve plates two (19) are attached to the outer wall of the frame rod (3). The opposite side walls of the two long plates (10) are vertically fixedly connected to the support shaft (22). The wire-laying wheel (23) is rotatably installed on the outer wall of the support shaft (22).

3. An overhead structure for long-span cable lines according to claim 2, characterized in that, Both ends of the rear sleeve plate 1 (16) and both ends of the front sleeve plate 1 (16) are slidably connected to screw rods 3 (17). The two screw rods 3 (17) pass through both ends of the front sleeve plate 1 (16) and both ends of the rear sleeve plate 1 (16). Screw rods 3 (17) pass through both ends of the front short plate (9) and both ends of the rear short plate (9). The outer wall of the front end of screw rods 3 (17) is threaded with nuts 3 (18). The rear side wall of nuts 3 (18) abuts against the front side wall of the front short plate (9). Screw rods 3 (17) are slidably connected to the short plate (9). The rear sleeve plate 2 ( The left and right ends of 19) are slidably connected to screw four (20), and the left and right ends of the front sleeve plate two (19) are slidably connected to screw four (20). The two screw four (20) pass through the left and right ends of the front sleeve plate two (19) and the left and right ends of the rear sleeve plate two (19) respectively. The screw four (20) passes through the front long plate (10) and the rear long plate (10). The screw four (20) passes through the front side wall of the front long plate (10). The front end of the screw four (20) is threaded with nut four (21). The rear side wall of nut four (21) abuts against the front side wall of the front long plate (10).