Anti-bird device for power transmission line

Abstract

The embodiment of the utility model provides an anti-bird device for a power transmission line, which comprises a mounting seat, a supporting rod, a spherical support and a lower spherical crown, and the inner surface of the lower spherical crown is matched with the spherical radius of the spherical support; the lower spherical crown is movably sleeved on the spherical support, and the inner surface of the lower spherical crown is matched with the spherical radius of the spherical support; the inverted conical spring is sleeved on the supporting rod, the bottom end of the inverted conical spring is elastically propped against the mounting seat, and the top end of the inverted conical spring is elastically propped against the circumferential edge of the lower spherical crown. Through the collaborative design that the inverted-cone-shaped spring is arranged outside the supporting rod in a sleeving mode and the lower spherical crown is arranged on the spherical support in a sleeving mode, the lower spherical crown freely slides around the spherical support within a certain range, then shakes when making contact with birds, and gradually returns to the original position through reset driving force of the inverted-cone-shaped spring; birds are effectively prevented from continuously inhabiting on the power transmission line, so that safe and stable operation of a power system is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission line protection, and particularly relates to a bird-proof device for transmission lines. Background Art

[0002] With the rapid development of the power system, the safety and reliability of transmission lines have become crucial issues. However, the behavior of birds building nests, staying or perching on the cross arms of transmission line towers poses a serious threat to the safe operation of transmission lines. The activities of birds may cause line short circuits, equipment damage, and power outages, which not only affect the stability of power supply but also may lead to serious safety hazards.

[0003] Most of the existing bird-proof devices adopt fixed bird-proof spikes or static bird repellent structures, which are easily adapted by birds, resulting in a decline in the protection effect and being unable to effectively cope with the complex operating environment of transmission lines. Summary of the Utility Model

[0004] The utility model provides a bird-proof device for transmission lines, and the device includes: a mounting seat fixedly arranged on the cross arm of a transmission line tower;

[0005] A support rod fixedly arranged on the mounting seat;

[0006] A spherical seat fixedly arranged at the top end of the support rod;

[0007] A lower spherical crown movably sleeved on the spherical seat, and the inner surface of the lower spherical crown matches the spherical radius of the spherical seat;

[0008] A plurality of bird-proof spike bundles divergently fixedly arranged on the outer surface of the lower spherical crown;

[0009] An inverted conical spring sleeved on the support rod, with the bottom end elastically abutted against the mounting seat and the top end elastically abutted against the circumferential edge of the lower spherical crown.

[0010] Further, the mounting seat includes:

[0011] A first support seat provided with a U-shaped groove for clamping with the cross arm of the tower;

[0012] A first support seat fixing bolt screwed into the bottom screw hole of the first support seat to fixedly connect the first support seat with the cross arm of the transmission line tower.

[0013] Further, the mounting seat further includes:

[0014] A second support seat, and the second support seat is provided with a positioning groove along the axis for accommodating the bottom end of the support rod;

[0015] A first pin hole is formed in the side wall of the second support, and a second pin hole is formed at the bottom end of the support rod. A pin passes through the first pin hole and the second pin hole to fix the support rod to the second support.

[0016] Further, a lubricating layer is provided between the lower spherical crown and the spherical support. The lubricating layer is lubricating oil or grease filled in the gap between the two.

[0017] Further, an oil injection hole is formed on the outer surface of the lower spherical crown, and the oil injection hole is closed by a sealing plug.

[0018] Further, an annular sheet that fits with the circular peripheral edge of the lower spherical crown is provided at the top end of the inverted conical spring.

[0019] Further, the anti-bird thorn bundle is made of stainless steel wire and is evenly distributed radially on the outer surface of the lower spherical crown.

[0020] Further, the support rod is a telescopic structure, including at least two nested rod bodies. The length is adjusted by a locking bolt, and the rod body is made of galvanized steel of the same material as the transmission cable.

[0021] Further, a bird repelling structure is also fixedly provided on the mounting seat, including: a solar panel;

[0022] A moving object radar sensing module; an ultrasonic horn;

[0023] A lighting lamp;

[0024] A controller electrically connected to the solar panel, the moving object radar sensing module, the horn and the lighting lamp, and controlling the horn and the lighting lamp to work when the moving object radar sensing module senses a moving object.

[0025] Further, the ultrasonic horns are ultrasonic generating sheets evenly distributed at equal intervals on the outer edge of the annular sheet at the top end of the inverted conical spring. The ultrasonic generating sheets generate directional ultrasonic waves through high-frequency vibration, effectively repelling birds and improving the protection effect.

[0026] The present utility model provides an anti-bird device for a transmission line. Through the collaborative design of sleeving an inverted conical spring outside the support rod and sleeving a lower spherical crown on the spherical support, the lower spherical crown can freely slide around the spherical support within a certain range, and then shake when contacted by birds, and gradually return to the original position relying on the reset driving force of the inverted conical spring, effectively preventing birds from continuously perching on the transmission line, thereby ensuring the safe and stable operation of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0028] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of the present utility model.

[0029] Figure 3 It is a schematic diagram of removing the lower spherical crown and anti-bird thorn bundles of an embodiment of the present utility model.

[0030] Figure 4 It is a schematic diagram of the structure of the support rod of an embodiment of the present utility model.

[0031] Explanation of the reference numerals in the drawings

[0032] Mounting base 1 First support 11 Second support 12 First pin hole 121 Support rod 2 Second pin hole 21 Spherical bearing 3 Lower spherical crown 4 Anti-bird thorn bundle 5 Inverted conical spring 6 Specific implementation manners

[0033] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0034] In the embodiments of the present utility model, if there are directional indications (such as up, down, left, right, front, back...), they are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0035] In addition, in the present utility model, the descriptions such as "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features.

[0036] Please refer to Figures 1 to 4 , the present utility model provides the following embodiments: Embodiment 1

[0037] The present utility model provides an anti-bird device for transmission lines, and the specific structure is as follows:

[0038] The bird-proof device includes a mounting base 1 fixedly installed on the cross arm of the pole tower of the transmission line by a clamping method. A support rod 2 is fixedly installed on the mounting base. The top end of the support rod 2 is fixedly connected with a spherical support 3. The surface of the spherical support 3 is smooth, and an upper spherical crown 4 is movably sleeved on its outer surface. The inner surface of the upper spherical crown 4 matches the spherical radius of the spherical support 3. The outer surface of the upper spherical crown 4 is fixedly provided with a number of bird-proof thorn bundles 5 radially and evenly diverging to prevent birds from perching. The upper spherical crown 4 is provided with an opening in the direction corresponding to the support rod 2, and the diameter of the opening is smaller than the diameter of the spherical support 3, so that the upper spherical crown 4 will not fall off the spherical support 3 and can rotate freely within a certain range on the surface of the spherical support 3. When the wind blows through the bird-proof thorn bundles 5, it will drive the upper spherical crown 4 to rotate on the surface of the spherical support 3, thus generating a sense of instability, further driving away the birds. However, the support rod 2 can only limit the rotation of the upper spherical crown 4. When the rotation stops, the bird-proof thorn bundles 5 may be in an inclined state. Therefore, the elastic edge of the upper spherical crown 4 elastically abuts against the top end of an inverted conical spring 6. The inverted conical spring 6 is sleeved around the support rod 2 in a surrounding manner, and its bottom end elastically abuts against the top surface of the mounting base 1, so that the upper spherical crown 4 will be applied with an elastic restoring force by the inverted conical spring 6 during the rotation process, thus completing the reset and keeping the bird-proof device in an effective bird-driving state all the time. Embodiment 2

[0039] On the basis of Embodiment 1, the mounting base further includes a first support 11. The top surface and the bottom surface of the first support 11 are corresponding and are provided with U-shaped grooves for clamping with the cross arm of the pole tower. A pair of bottom threaded holes are further opened at the bottom of the first support 11 for passing through the first support fixing bolts. The first support fixing bolts fixedly connect the first support 11 with the cross arm of the pole tower on the transmission line, which not only ensures the overall stability of the device, but also facilitates installation and disassembly, increases the adjustability of the device, and adapts to the installation requirements of different lines. Embodiment 3

[0040] On the basis of Embodiment 1, the mounting base 1 further includes a second support 12 fixedly installed on the first support 11. The second support 12 is of a cylindrical structure and is provided with a through rectangular positioning groove along the axis for accommodating the bottom end of the support rod 2, so that the mounting base 1 forms a U-shaped structure with both sides and the top open. The positioning groove separates the side walls on the other two sides of the second support 12. The top surface of the side wall is used for connecting the inverted conical spring 6, and a first pin hole 121 penetrating the second support 12 is opened on the side wall. As an implementation manner, the mounting base 1 is an integrally formed first support 11 and the second support 12 on the first support 11, so that the overall bird-proof device is more stable and can effectively resist the influence brought by the wind force.

[0041] One end of the support rod 2 has a square cross-section that matches the width of the positioning groove. The support rod 2 is vertically fixed to the bottom end of the positioning groove to prevent rotation. The other end is an arc-shaped coupling end surface that matches the sphere and has the same curvature as the outer surface of the sphere, and is welded to the sphere support 3 to ensure that the sphere support 3 and the support rod 2 are tightly combined. At the bottom end of the support rod 2, a second pin hole 21 is coaxially provided with the first pin hole 121. The pin holes are used for passing a square pin through. The pin passes through the first pin hole 121 and the second pin hole 21 to fix the support rod 2 to the second support 12, ensuring a firm connection between the support rod 2 and the second support 12. This not only ensures that the support rod 2 will not loosen under strong wind or external force, but also facilitates installation and disassembly, enhancing the stability and convenience of the device. Embodiment 4

[0042] On the basis of Embodiment 1, a lubricating layer is provided between the lower spherical crown 4 and the sphere support 3. The lubricating layer is lubricating oil or grease filled in the gap between the two to reduce friction and improve the rotational flexibility of the lower spherical crown 4 and the sphere support 3. In order to further facilitate maintenance, an oil injection hole is opened on the outer surface of the lower spherical crown 4. The oil injection hole is closed by a sealing plug. Lubricating oil or grease is regularly injected into the lubricating layer through the oil injection hole to reduce the frictional resistance between the lower spherical crown 4 and the sphere support 3 and ensure rotational flexibility. The sealing plug (self-sealing rubber plug) can effectively prevent the leakage of lubricating oil or grease and maintain the stability of the lubricating layer. At the same time, the design of the oil injection hole avoids frequent disassembly of the device, extends the service life of the device, and improves the overall working efficiency. Embodiment 5

[0043] On the basis of Embodiment 1, the bottom end of the inverted conical spring 6 abuts against the top of the mounting seat 1, and an annular plate is provided at the top. The annular plate fits against the circular edge of the lower spherical crown 4. In another embodiment, the annular plate is fixed to the open circular edge of the lower spherical crown 4 by riveting or welding to ensure a tight combination between the inverted conical spring 6 and the lower spherical crown 4.

[0044] The second support 12 and the lower spherical crown 4 are connected through the inverted conical spring 6. While achieving buffering and shock absorption, it also facilitates the reset of the lower spherical crown 4. It can not only limit the rotation range of the lower spherical crown 4, but also provide buffering when subjected to external impact, effectively disperse stress, prevent structural damage, and further enhance the wind resistance and durability of the device. Embodiment 6

[0045] On the basis of Example 1, the lower spherical crown 4 is a hemispherical shell structure with an opening facing downward, and the inner diameter of the top thereof is in clearance with the outer diameter of the spherical support 3, and the inner diameter of the bottom is shrunk to form an annular limiting flange, which ensures that the lower spherical crown 4 can rotate around the spherical support 3 and prevents the lower spherical crown 4 from falling off. The outer surface of the lower spherical crown 4 is fixed with a plurality of evenly distributed anti-bird thorn bundles 5, which are made of stainless steel wire, the ends of the thorns are passivated, and the surface is treated with an anti-reflective coating to enhance the visual deterrent effect while avoiding bird damage. Through this design, the bird-proofing device can not only maintain an efficient bird-repelling function in a complex environment, but also reduce the maintenance frequency in long-term use, improve the overall durability, and ensure that it can operate stably under various climatic conditions. Example 7

[0046] On the basis of Example 6, the elastic modulus of the inverted conical spring 6 is in the range of 1000-1500 MPa, which ensures that the inverted conical spring 6 can provide sufficient elastic force when subjected to external force, while maintaining good elastic recovery ability, so that the device can still maintain stable working performance after long-term use and repeated compression. The bird-proofing device of the present application is designed with an inverted conical spring 6, and rotates when a certain weight of several bird-proof thorn bundles 5 on the lower spherical crown 4 exists, which can effectively provide a stronger resilience, and when subjected to radial bias load, the contact surface between the spring coils is larger and the stress distribution is more uniform, thereby significantly improving the stability and service life of the device. Example 8

[0047] On the basis of Example 1, the support rod 2 is a whole rod; or a retractable structure, including at least two nested rod bodies, the rod bodies are made of the same galvanized steel material as the transmission cables, so as to facilitate the adaptation of line heights of different voltage levels. A locking device is provided at the connection of the two rod bodies, and the locking device is composed of a locking bolt and a release pin. The locking bolt is used to fix the relative position of the two rod bodies, that is, to adjust the length, and the release pin is used to unlock when necessary, so that the support rod 2 can be telescopically adjusted in length. Not only does it enhance the adaptability of the support rod 2, but it is also convenient to adjust the height of the device according to actual needs, further improving the overall performance and flexibility of the device. Example 9

[0048] Based on the above-mentioned Embodiment 1, the bird prevention device of the present utility model further includes a bird repelling structure fixedly arranged on the mounting base. The bird repelling structure includes: a solar panel, a moving object radar induction module, an ultrasonic horn, and a lighting lamp, and a controller electrically connected to the solar panel, the moving object radar induction module, the horn, and the lighting lamp. When the moving object radar induction module senses a moving object, the controller controls the horn and the lighting lamp to start working simultaneously, emitting sound and light. This bird repelling structure is powered by the solar panel, uses the radar induction module to detect moving objects. Once a bird approaches, the ultrasonic horn will emit a sound with a specific frequency to drive away the birds, and at the same time, the lighting lamp will flash to form a light wave interference, effectively preventing the birds from staying and ensuring the normal operation of the device is not interfered by the birds.

[0049] This embodiment adopts a high-voltage human warning and bird repelling device with the patent number CN219891751U. Embodiment 10

[0050] Based on Embodiment 9, the ultrasonic horns are ultrasonic generating pieces evenly distributed on the outer edge of the annular sheet at the top of the inverted conical spring. The frequency range of the ultrasonic generating pieces is 20 - 25 kHz. Being > 20 kHz can avoid interfering with line inspection personnel, and at the same time, being ≤ 25 kHz can ensure an effective bird repelling effect on the birds. The ultrasonic generating pieces are evenly distributed through the annular sheet, expanding the sound wave coverage range and enhancing the bird repelling effect.

[0051] Working principle:

[0052] The present utility model provides a bird prevention device for transmission lines. It is fixedly connected to the cross arm of the pole tower on the transmission line through the mounting base 1. The support rod 2 is vertically fixed on the mounting base 1, with an inverted conical spring 6 sleeved outside it. A spherical support 3 is welded at the top. A lower spherical crown 4 with a downward opening is sleeved on the spherical support 3. A lubricating layer is formed between the lower spherical crown 4 and the spherical support 3, and an oil injection hole is provided on the outer surface for adding lubricating oil or grease. A plurality of evenly distributed anti-bird thorn bundles 5 are also fixed on the outer surface of the lower spherical crown 4. In addition, a bird repelling structure is also installed on the mounting base 1. The bird repelling structure is monitored in real time through the moving object radar induction module. Once a bird is detected approaching, the ultrasonic horn and the lighting lamp are immediately activated, emitting high-frequency sound waves and flashing lights to double-interfere and drive away the birds, ensuring the safe operation of the transmission line and improving the protection efficiency of the device.

[0053] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims

1. A bird-proof device for a power transmission line, characterized in that: The device comprises: A mounting base fixed on the cross arm of a transmission line tower; A support rod fixedly mounted on the mounting seat; A spherical support fixedly mounted on the top end of the support rod; A lower spherical cap movably sleeved on the spherical support, wherein the inner surface of the lower spherical cap matches the spherical radius of the spherical support; A plurality of bird-proofing bundles are fixedly disposed on the outer surface of the lower spherical cap in a divergent manner; An inverted conical spring is sleeved on the support rod, with its bottom end elastically abutting against the mounting seat and its top end elastically abutting against the circumferential edge of the lower spherical crown.

2. The bird-proof device for power transmission lines according to claim 1, characterized in that: The mounting base comprises: A first support having a U-shaped groove for clamping with the tower cross arm; The first support fixing bolt is screwed into the screw hole at the bottom of the first support to fix the first support to the cross arm of the tower of the transmission line.

3. The bird-proof device for power transmission lines according to claim 2, characterized in that: The mounting base also includes: A second support, wherein the second support is provided with a positioning groove along the axis to accommodate the bottom end of the support rod; A first latch hole is formed on the side wall of the second support, and a second latch hole is formed on the bottom end of the support rod. The latch passes through the first latch hole and the second latch hole to fix the support rod on the second support.

4. The bird-proof device for power transmission lines according to claim 1, characterized in that: A lubricating layer is provided between the lower spherical cap and the spherical support, and the lubricating layer is lubricating oil or lubricating grease filled in the gap between the two.

5. The bird-proof device for power transmission lines according to claim 4, characterized in that: An oil filling hole is arranged on the outer surface of the lower spherical crown, and the oil filling hole is closed by a sealing plug.

6. The bird-proofing device for power transmission lines according to claim 1, characterized in that: The top end of the inverted cone spring is provided with an annular sheet which fits with the circumferential edge of the lower spherical cap.

7. The bird-proof device for power transmission lines according to claim 1, characterized in that: The bird thorn prevention bundle is made of stainless steel wire and is evenly distributed on the outer surface of the lower spherical crown in a radial shape.

8. The bird-proof device for power transmission lines according to claim 1, characterized in that: The support rod is a telescopic structure, including at least two nested rod bodies, the length of which is adjusted by locking bolts, and the rod body is made of galvanized steel, which is the same material as the transmission cable.

9. The bird-proofing device for power transmission lines according to any one of claims 1 to 8, characterized in that: The mounting base is also provided with a bird-repelling structure, including: Solar panels; Moving object radar sensing module; Ultrasonic horn; Luminous lights; A controller is electrically connected to the solar panel, the moving object radar sensing module, the speaker and the light-emitting lamp, and controls the speaker and the light-emitting lamp to work when the moving object radar sensing module senses a moving object.

10. The bird-proofing device for power transmission lines according to claim 9, characterized in that: The ultrasonic horns are ultrasonic generating sheets which are evenly distributed on the outer edge of the annular sheet at the top end of the inverted cone spring.

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