Bird damage and external damage prevention drainage device with adjustable installation function

Abstract

This utility model discloses a bird-proof and external damage-proof current-draining device with adjustable installation function, relating to the field of power equipment technology. It includes a tower, line end connecting hardware, tension insulators, and high-voltage cables. The tension insulators are installed on both sides of the tower and connected to the line end connecting hardware. The line end connecting hardware, with attached clamps, connects to the high-voltage cables. Line hardware is fixedly installed on the tower and connected to the tension insulators. A current-draining wire is clamped onto the line hardware. Adjustment heads are provided at both ends of the current-draining wire, and these heads are mounted on the high-voltage cables. The adjustment heads are used to adjust and limit the current-draining wire. This device ensures that the current-draining wire is not damaged by animals during use by providing an outer sheath and small and large skirts on the outside of the aluminum stranded wire. Simultaneously, the specially enlarged skirts at both ends of the current-draining wire improve the electric field distribution, enhancing the safety of the device during use.

Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, specifically to a bird-proof and external damage-proof diversion device with adjustable installation function. Background Technology

[0002] With the rapid development of my country's ultra-high voltage power grid, the total length of its overhead transmission lines has exceeded 1.8 million kilometers, of which 110kV and above lines account for more than 65%. Due to their structural height and open space, high-voltage transmission towers have become high-risk areas for birds to roost, nest, and be damaged by external forces, resulting in frequent failures.

[0003] Meanwhile, during the laying of ultra-high voltage power grids, the high-voltage cables do not directly contact the towers. Instead, they are connected to the high-voltage cables at the other end of the towers via the installation of drop wires. During the installation of drop wires on the towers, workers typically pull the drop wires up the towers and then connect both ends of the drop wires to the high-voltage cables. The connection is made using special jumper clamps. After connection, due to gravity, it is necessary to adjust the tension of the drop wires and the state of the middle section of the drop wires so that the middle section can connect with the insulators. This process is cumbersome and extremely physically demanding for workers, resulting in low efficiency in the installation of drop wires. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model proposes the following technical solution:

[0005] A bird-damage and external damage prevention diversion device with adjustable installation function includes a tower, line end connecting hardware, tension insulators, and high-voltage cables. The tension insulators are installed on both sides of the tower and connected to the line end connecting hardware. The line end connecting hardware is equipped with clamps and connected to the high-voltage cables. Line hardware is fixedly installed on the tower and connected to the tension insulators. A diversion wire is clamped to the line hardware. Adjustment heads are provided at both ends of the diversion wire and are installed on the high-voltage cables. The adjustment heads are used to adjust and limit the diversion wire.

[0006] Furthermore, the drain wire includes an outer sheath, end fittings at both ends, and conductive aluminum stranded wire. The outer sheath is made of silicone rubber with a custom formula. The outer sheath has multiple small and large umbrella skirts evenly distributed on it. The small and large umbrella skirts are used to prevent birds from pecking at them or standing on them. Enlarged umbrella skirts are provided at the positions closest to both ends of the outer sheath. The enlarged umbrella skirts have the same shape as the small and large umbrella skirts, but are larger in size than them. The enlarged umbrella skirts are used to improve the electric field distribution.

[0007] Furthermore, the aluminum stranded wire is placed inside the outer sheath and is tightly wrapped by the outer sheath. The exposed ends of the aluminum stranded wire are used to connect with the end connecting hardware by crimping, thereby fixing the end connecting hardware to the aluminum stranded wire. The connection between the end connecting hardware and the outer sheath is covered by integral injection molding. The covered end has a three-layer sealing structure. The end connecting hardware end has a first layer of sealing inside, a second layer of sealing outside, and an integral covering as a third layer of sealing. The three-layer sealing structure is used to isolate external air from entering between the sheath and the aluminum stranded wire.

[0008] Furthermore, the connection between the end connecting hardware and the outer sheath is provided with a cap at the connection point. The connection point is fixed by high-temperature injection molding. The end connecting hardware and the end away from the aluminum stranded wire are single-ear type, and the end connecting hardware is provided with a connection hole for fixed connection. The outer wall of the end connecting hardware is also provided with a rotating ring for rotating connection with the adjustment head.

[0009] Furthermore, the adjusting head includes a threaded rotating cylinder, a main cylinder, a side connecting frame, and a load-bearing connecting frame. The threaded rotating cylinder is connected to the main cylinder by a thread. The end of the threaded rotating cylinder away from the main cylinder is rotatably connected to a rotating ring on the outer wall of the end connecting hardware. When the threaded rotating cylinder rotates, it can move one end of the drain line.

[0010] Furthermore, the side connecting frame includes a side tie rod and a side bracket. The side tie rod is rotatably connected to the main body cylinder and the side bracket. The side tie rod is symmetrically arranged on the outside of the side bracket. A snap-fit ​​cover for connecting high-voltage cables is rotatably installed on the side bracket. Multiple bolts are provided between the snap-fit ​​cover and the high-voltage cable. The snap-fit ​​cover fixes the side bracket to the high-voltage cable through the bolts.

[0011] Furthermore, the side bracket is also provided with a connecting wire end, which is an exposed cable. One end of the connecting wire end is located inside the main body cylinder and the threaded rotating cylinder. One end of the connecting wire end is fixedly connected to the end connecting hardware in the drain line by bolts. The connecting wire end can be cut or bent during connection. A deformation groove is provided at the through hole of the side bracket for mounting the connecting wire end. Multiple bolts are provided on the side bracket to compress the deformation groove and deform it. After the deformation groove is compressed by multiple bolts, the through hole of the side bracket for mounting the connecting wire end will deform, thereby allowing the side bracket and the connecting wire end to be tightly connected.

[0012] Furthermore, the load-bearing connecting frame includes a main support, an upper rotating head, and a lower rotating head. The main support is fixed inside the high-voltage cable by bolts. The main support is rotatably connected to the upper rotating head. The upper rotating head is symmetrically arranged on the outside of the main support. The upper rotating head is slidably connected to the lower rotating head. A displacement screw is rotatably installed on the upper rotating head. The displacement screw is threadedly connected to the lower rotating head. The displacement screw is used to drive the lower rotating head to slide on the upper rotating head. The lower rotating head is rotatably connected to the main cylinder.

[0013] The beneficial effects of this utility model compared with the prior art are: (1) This device ensures that the drain line will not be damaged by animals during use by setting an outer sheath and enlarged umbrella skirt, small umbrella skirt and large umbrella skirt on the outside of the aluminum stranded wire. At the same time, the electric field distribution is improved by setting enlarged umbrella skirts at both ends of the drain line, which improves the safety of this device during use.

[0014] (2) This device adjusts the state of the drainage line by adjusting the head, which simplifies the installation process of the drainage line and greatly reduces the labor intensity of workers. At the same time, by stretching and pre-tightening each connection point of the drainage line, it can also improve the wind resistance of the drainage line during use and prevent the drainage line from shaking. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the adjusting head structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the main cylinder structure of this utility model.

[0018] Figure 4 This is a cross-sectional structural diagram of the threaded rotating cylinder and the main cylinder of this utility model.

[0019] Figure 5 This is a schematic diagram of the side support structure of this utility model.

[0020] Figure 6 This is a schematic diagram of the lower rotating head structure of this utility model.

[0021] Figure 7 This is a cross-sectional structural diagram of the side bracket, connecting wire end, and snap-fit ​​cover of this utility model.

[0022] Figure 8 This is a schematic diagram of the cross-sectional structure of the drainage line of this utility model.

[0023] Attached reference numerals: 10-Iron tower; 20-Tension insulator; 30-Adjusting head; 301-Threaded drum; 302-Main cylinder; 303-Side tie rod; 304-Side support; 305-Connecting wire end; 306-Snap-fit ​​cover; 307-Main support; 308-Upper rotating head; 309-Displacement screw; 310-Lower rotating head; 40-High voltage cable; 50-Drainage wire; 501-Outer sheath; 502-End connecting hardware; 503-Aluminum stranded wire; 504-Enlarged umbrella skirt; 505-Small umbrella skirt; 506-Large umbrella skirt; 60-Suspension insulator. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] Example 1:

[0026] This embodiment provides a bird-proof and external-damage-proof drainage device with adjustable installation function, specifically as follows: Figure 1 , Figure 8 As shown, the system includes a tower 10, line end connecting hardware, tension insulators 20, and high-voltage cable 40. The tension insulators 20 are installed on both sides of the tower 10 and are connected to the line end connecting hardware. The line end connecting hardware is equipped with clamps and is connected to the high-voltage cable 40. Line hardware is fixedly installed on the tower 10 and is connected to the tension insulators 20. A drain wire 50 is clamped onto the line hardware. Adjusting heads 30 are provided at both ends of the drain wire 50 and are installed on the high-voltage cable 40. The adjusting heads 30 are used to adjust and limit the drain wire 50.

[0027] The drain wire 50 includes an outer sheath 501, end fittings 502 at both ends, and conductive aluminum stranded wire 503. The outer sheath 501 is made of silicone rubber with a custom formula. The outer sheath 501 is provided with multiple small umbrella skirts 505 and large umbrella skirts 506. The small umbrella skirts 505 and large umbrella skirts 506 are evenly distributed on the outer sheath 501. The small umbrella skirts 505 and large umbrella skirts 506 are used to prevent birds from pecking and standing on them. Enlarged umbrella skirts 504 are provided at the positions closest to both ends of the outer sheath 501. The enlarged umbrella skirts 504 have the same shape as the small umbrella skirts 505 and large umbrella skirts 506, but are larger in size than the small umbrella skirts 505 and large umbrella skirts 506. The enlarged umbrella skirts 504 are used to improve the electric field distribution.

[0028] The aluminum stranded wire 503 is disposed inside the outer sheath 501 and is tightly wrapped by the outer sheath 501. The exposed ends of the aluminum stranded wire 503 are used to connect to the end connecting hardware 502 by crimping, thereby fixing the end connecting hardware 502 to the aluminum stranded wire 503. The connection between the end connecting hardware 502 and the outer sheath 501 is integrally injection molded and covered. The covered end has a three-layer sealing structure: the first layer of sealing is provided inside the end of the end connecting hardware 502, the second layer of sealing is provided outside the end connecting hardware 502, and the integrated covering is the third layer of sealing. The three-layer sealing structure is used to isolate external air from entering between the sheath and the aluminum stranded wire 503, thus preventing moisture from entering the outer sheath 501 and corroding or eroding the aluminum stranded wire 503. The connection between the end connecting hardware 502 and the outer sheath 501 is provided with a cap at the connection point. It is also injection molded at high temperature during connection and fixation. The end of the end connecting hardware 502 away from the aluminum stranded wire 503 is a single ear type, and the end connecting hardware 502 is provided with a connection hole for fixed connection. The outer wall of the end connecting hardware 502 is also provided with a rotating ring for rotating connection with the adjusting head 30.

[0029] Example 2:

[0030] This embodiment further expands upon the content regarding the adjusting head 30 in Embodiment 1, specifically as follows: Figures 1 to 7 As shown, the adjusting head 30 includes a threaded rotating drum 301, a main body cylinder 302, a side connecting frame, and a bearing connecting frame. The threaded rotating drum 301 and the main body cylinder 302 are connected by threads. The end of the threaded rotating drum 301 away from the main body cylinder 302 is rotatably connected to a rotating ring on the outer wall of the end connecting hardware 502. When the threaded rotating drum 301 rotates, it can move one end of the drain line 50. The end of the threaded rotating drum 301 away from the main body cylinder 302 is also provided with a hexagonal head to facilitate workers to rotate the threaded rotating drum 301. The outer wall of the main body cylinder 302 is provided with anti-slip grooves for easy use.

[0031] A side connecting frame includes a side tie rod 303 and a side bracket 304. The side tie rod 303 is rotatably connected to the main body cylinder 302 and the side bracket 304. The side tie rods 303 are symmetrically arranged on the outside of the side bracket 304. A snap-fit ​​cover 306 for connecting a high-voltage cable 40 is rotatably installed on the side bracket 304. Multiple bolts are provided between the snap-fit ​​cover 306 and the high-voltage cable 40. The snap-fit ​​cover 306 fixes the side bracket 304 to the high-voltage cable 40 by bolts.

[0032] The side bracket 304 is also provided with a connecting wire head 305. The connecting wire head 305 is an exposed cable. One end of the connecting wire head 305 is located inside the main body cylinder 302 and the threaded rotating cylinder 301. One end of the connecting wire head 305 is fixedly connected to the end connecting hardware 502 in the drain line 50 by bolts. The connecting wire head 305 can be cut or bent during connection. The through hole of the side bracket 304 where the connecting wire head 305 is installed is provided with a deformation groove. Multiple bolts are provided on the side bracket 304 to compress the deformation groove and deform it. After the deformation groove is compressed by multiple bolts, the through hole of the side bracket 304 where the connecting wire head 305 is installed is deformed, thereby making the side bracket 304 and the connecting wire head 305 tightly connected.

[0033] A load-bearing connecting frame includes a main support 307, an upper rotating head 308, and a lower rotating head 310. The main support 307 is fixed inside the high-voltage cable 40 by bolts. The main support 307 is rotatably connected to the upper rotating head 308. The upper rotating head 308 is symmetrically arranged on the outside of the main support 307. The upper rotating head 308 is slidably connected to the lower rotating head 310. A displacement screw 309 is rotatably mounted on the upper rotating head 308. The displacement screw 309 is threadedly connected to the lower rotating head 310. The displacement screw 309 is used to drive the lower rotating head 310 to slide on the upper rotating head 308. The lower rotating head 310 is rotatably connected to the main body cylinder 302.

[0034] The load-bearing connecting frame mainly bears the weight of the drain line 50 and the adjusting head 30. In addition, the load-bearing connecting frame can also adjust the distance between the main body tube 302 and the high-voltage cable 40 to adjust the connection status of the drain line 50.

[0035] Working principle:

[0036] Before use, this device requires the following steps during the manufacturing of the drain line 50: First, an outer sheath 501 is extruded onto the outer wall of the aluminum stranded wire 503. Then, small umbrella skirts 505, large umbrella skirts 506, and enlarged umbrella skirts 504 are sequentially fitted over the outer sheath 501. Alternatively, the small umbrella skirts 505, large umbrella skirts 506, and enlarged umbrella skirts 504 can be manufactured integrally with the outer sheath 501. Finally, the end connectors 502 are crimped to the exposed ends of the aluminum stranded wire 503. The connection between the end connectors 502 and the outer sheath 501 is integrally injection molded, with three layers of sealing at the crimped end. After this, the drain line 50 is assembled and ready for use. During assembly, attention should be paid to the connection with the drain line 50. The end connectors 502 should be crimped before crimping. Installed into the threaded drum 301, the rotating ring on the outside of the end connecting hardware 502 can then be rotatably connected to the threaded drum 301. After that, the connecting head 305 inside the adjusting head 30 is connected to the end connecting hardware 502. The other end of the connecting head 305 can also be inserted into the side bracket 304 in advance, but it does not need to be fixed with bolts. At this time, the state of this device is that the two ends of the drain line 50 are equipped with adjusting heads 30, and the connecting head 305 is a device that is directly connected to the high-voltage cable 40. Alternatively, the connecting head 305 and the end connecting hardware 502 can be removed, allowing the outer sheath 501 to be placed inside the threaded drum 301, while allowing one end of the aluminum stranded wire 503 to directly contact the high-voltage cable 40. This solution saves costs, but at the same time, the sealing of the aluminum stranded wire 503 during use cannot be guaranteed.

[0037] During installation, hoisting tools are typically used to lift the diverter 50 and the adjusting head 30 onto the high-voltage cable 40 from the tower 10. Specifically, the adjusting head 30 at one end is first connected to the high-voltage cable 40. During connection, the load-bearing connecting frame is first connected to the high-voltage cable 40. The main support 307 in the load-bearing connecting frame is fixed at the connection point between the high-voltage cable 40 and the tension insulator 20, but it must not directly contact the tension insulator 20. Furthermore, when fixing the adjusting head 30 with bolts, the bolts can be tightened directly, thus directly installing one end of the adjusting head 30 and the diverter 50. Then, the load-bearing connecting frame in the adjusting head 30 is installed on the other side.

[0038] After initially defining the position of the guide wire 50, further fixing work can be carried out. First, insert the connecting wire end 305 into the through hole of the side bracket 304. At this point, the distance between the guide wire 50 and the suspension insulator 60 can be checked. When the guide wire 50 is long, the worker rotates the threaded drum 301 in the adjusting heads 30 on both sides of the tower 10, raising the guide wire 50 and thus retracting its position. Approaching the suspension insulator 60, the worker rotates the wire 50 until it connects to the locking groove at the end of the suspension insulator 60. At this point, the worker stops rotating and then fixes the wire 50 into the locking groove at the end of the insulator 60. This completes the installation of the wire 50 and the suspension insulator 60. After installation, the length of the connecting wire end 305 on the side bracket 304 can be checked. If it is too long, the excess part of the connecting wire end 305 can be cut off during subsequent installation.

[0039] Finally, connect the high-voltage cable 40 to the connecting wire 305. After fixing the drain wire 50 and the suspension insulator 60, the section from the connection point of the high-voltage cable 40 and the drain wire 50 to the end of the drain wire 50 and the suspension insulator 60 needs to be fixed and straightened to create a constraint, further preventing the drain wire 50 from swaying due to wind. At this point, first fix the side bracket 304 to the connecting wire 305, and then connect the side bracket 304 to the high-voltage cable 40. When connecting, space needs to be left for the side bracket 304 to move on the high-voltage cable 40. At this point, the side bracket 304 can slide on the high-voltage cable 40. Then, rotate the displacement screw 309 to drive the lower rotating head 310. The upper rotating head 308 slides upwards, thereby adjusting the distance between the main body cylinder 302 and the high-voltage cable 40, thus adjusting the state of the end of the drain line 50 and preventing the end of the drain line 50 and the adjusting head 30 from swaying in the wind. As the displacement screw 309 rotates, the side bracket 304 also slides on the high-voltage cable 40, which can also adjust the connection point position between the side bracket 304 and the high-voltage cable 40. Under normal circumstances, the position of the side bracket 304 on the high-voltage cable 40 depends on the voltage level. At this time, rotating the displacement screw 309 will cause the main body cylinder 302 to move and squeeze the side bracket 304 to slide on the high-voltage cable 40, thereby adjusting the position of the side bracket 304 on the high-voltage cable 40.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A bird-damage and external damage prevention diversion device with adjustable installation function, comprising a tower (10), line end connecting hardware, tension insulator (20), and high-voltage cable (40), wherein the tension insulator (20) is disposed on both sides of the tower (10), the tension insulator (20) is connected to the line end connecting hardware, the line end connecting hardware is attached to the high-voltage cable (40) and the line hardware is fixedly installed on the tower (10), the line hardware is connected to the tension insulator (20), characterized in that: A drain wire (50) is snapped onto the line fitting. An adjustment head (30) is provided at both ends of the drain wire (50). The adjustment head (30) is provided on the high-voltage cable (40). The adjustment head (30) is used to adjust and limit the drain wire (50). The drain wire (50) includes an outer sheath (501), end fittings (502) at both ends, and conductive aluminum stranded wire (503). The outer sheath (501) is made of silicone rubber with a custom formula. The outer sheath (501) is provided with multiple small umbrella skirts (505) and large umbrella skirts (506), which are evenly distributed on the outer sheath (501). The small umbrella skirt (505) and the large umbrella skirt (506) are used to prevent birds from pecking and standing on them. The outer sheath (501) is provided with enlarged umbrella skirts (504) at both ends. The enlarged umbrella skirts (504) are the same shape as the small umbrella skirts (505) and the large umbrella skirts (506). The enlarged umbrella skirts (504) are larger than the small umbrella skirts (505) and the large umbrella skirts (506). The enlarged umbrella skirts (504) are used to improve the electric field distribution.

2. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 1, characterized in that: The aluminum stranded wire (503) is placed inside the outer sheath (501). The aluminum stranded wire (503) is tightly wrapped by the outer sheath (501). The exposed ends of the aluminum stranded wire (503) are used to connect with the end connecting hardware (502) by crimping, so that the end connecting hardware (502) and the aluminum stranded wire (503) are fixedly connected. The connection between the end connecting hardware (502) and the outer sheath (501) is covered by integral injection molding. The covered end is provided with three layers of sealing. The end connecting hardware (502) end is provided with the first layer of sealing inside, the end connecting hardware (502) end is provided with the second layer of sealing outside, and the integral covering is the third layer of sealing. The three-layer sealing structure is used to isolate external air from entering between the sheath and the aluminum stranded wire (503).

3. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 1, characterized in that: The end connecting hardware (502) is provided with a cap at the connection point with the outer sheath (501). It is formed at high temperature during connection and fixation. The end connecting hardware (502) and the end away from the aluminum stranded wire (503) are single-ear type. The end connecting hardware (502) is provided with a connection hole for fixed connection. The outer wall of the end connecting hardware (502) is also provided with a rotating ring for rotating connection with the adjusting head (30).

4. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 1, characterized in that: The adjusting head (30) includes a threaded rotating drum (301), a main body cylinder (302), a side connecting frame, and a load-bearing connecting frame. The threaded rotating drum (301) is connected to the main body cylinder (302) by a thread. The end of the threaded rotating drum (301) away from the main body cylinder (302) is rotatably connected to a rotating ring on the outer wall of the end connecting hardware (502). When the threaded rotating drum (301) rotates, it can move one end of the drain line (50).

5. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 4, characterized in that: The side connecting frame includes a side tie rod (303) and a side bracket (304). The side tie rod (303) is rotatably connected to the main body cylinder (302) and the side bracket (304). The side tie rod (303) is symmetrically arranged on the outside of the side bracket (304). A snap-fit ​​cover (306) for connecting a high-voltage cable (40) is rotatably installed on the side bracket (304). Multiple bolts are provided between the snap-fit ​​cover (306) and the high-voltage cable (40). The snap-fit ​​cover (306) fixes the side bracket (304) to the high-voltage cable (40) by bolts.

6. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 5, characterized in that: The side bracket (304) is also provided with a connecting wire head (305). The connecting wire head (305) is an exposed cable. One end of the connecting wire head (305) is set inside the main body cylinder (302) and the threaded rotating cylinder (301). One end of the connecting wire head (305) is fixedly connected to the end connecting hardware (502) in the drain line (50) by bolts. The connecting wire head (305) can be cut or bent when connected. The through hole of the side bracket (304) for installing the connecting wire head (305) is provided with a deformation groove. The side bracket (304) is provided with multiple bolts to squeeze the deformation groove for deformation. After the deformation groove is squeezed by multiple bolts, the through hole of the side bracket (304) for installing the connecting wire head (305) can be deformed, thereby making the side bracket (304) and the connecting wire head (305) tightly connected.

7. The bird-proof and external damage-proof drainage device with adjustable installation function according to claim 4, characterized in that: The load-bearing connecting frame includes a main support (307), an upper rotating head (308), and a lower rotating head (310). The main support (307) is fixed inside the high-voltage cable (40) by bolts. The main support (307) is rotatably connected to the upper rotating head (308). The upper rotating head (308) is symmetrically arranged on the outside of the main support (307). The upper rotating head (308) is slidably connected to the lower rotating head (310). A displacement screw (309) is rotatably installed on the upper rotating head (308). The displacement screw (309) is threadedly connected to the lower rotating head (310). The displacement screw (309) is used to drive the lower rotating head (310) to slide on the upper rotating head (308). The lower rotating head (310) is rotatably connected to the main body cylinder (302).

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