Pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device

Abstract

The invention provides a pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device. The pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device is characterized by comprising a bowl-shaped main body, a connecting piece and a ball bearing, the bowl-shaped main body adopts a rotating double-curved-surface aerodynamic appearance which is thickened in the center and gradually thinned on the peripheral side and is designed in a thickness-variable manner, so that the bowl-shaped main body has an axial symmetry characteristic; two sides of the bowl-shaped main body are respectively provided with at least one connecting piece, the upper end of the connecting piece is connected with a ball bearing, and the ball bearing is sleeved on an overhead transmission line. The device does not need to depend on the single gravity effect for protection, is light in structure and easy and convenient to install, and can be directly applied to a built power transmission line without large-scale transformation of an existing line. Through the synergistic effect of pneumatic optimization and the counterweight effect, the windage yaw prevention performance of the line can be remarkably improved under the multi-wind-direction and complex pneumatic environment.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wind deviation control of power transmission lines, and particularly relates to a kind of aerodynamic variable thickness rotating double curved surface weight type wind deviation prevention stabilizing device. BACKGROUND

[0002] In the operation process of overhead transmission lines, the conductor is exposed to the outdoor environment for a long time and is prone to lateral deviation under the action of air flow. When the wind speed is large and the action time is long, the conductor deviates from the original static equilibrium position under the action of aerodynamic force, and even approaches or contacts the adjacent conductor at the same height, which may cause interphase short circuit, flashover and other faults. Wind deviation not only easily causes transmission line trip-out, power interruption and other operation accidents, but also significantly increases the mechanical stress borne by the conductor, insulator and fitting, accelerates fatigue damage and material aging. At the same time, the conductor vibration caused by wind deviation may cause the loosening of fittings, the abrasion of conductors and the stress concentration of tower structure, increasing the risk of line operation. In extreme cases, wind deviation may lead to conductor breakage, tower overturning and other serious accidents. Therefore, it is a technical problem to be solved in the field of transmission line protection technology to effectively suppress the wind deviation phenomenon in the operation of overhead transmission lines to ensure the safe and stable operation of the lines.

[0003] In the prior art, in order to prevent wind deviation of overhead transmission lines, methods such as attaching damping clips, hanging weights or installing weight type devices to the conductor are usually used. Although these methods can increase the weight of the conductor to some extent and reduce the vibration amplitude, they still have some shortcomings. Firstly, the hanging weight or similar weight structure mainly relies on gravity for stability under the action of strong wind, and it is difficult to effectively suppress the sustained wind deviation, so the protection effect is limited. Secondly, the installation position of some weight devices is fixed, and they cannot adjust their posture in real time with the change of wind direction, resulting in insufficient aerodynamic efficiency and poor stability. Thirdly, related devices often need to add fixed supports on the conductor or tower, and the construction process is complex, which has poor adaptability to existing lines, especially in the installation of running lines, which has safety risks and cost burdens. On the other hand, there are also methods of using V-shaped insulator string structure to suppress wind deviation of conductors in the prior art, but they still have some defects. Under the action of strong wind, when the wind deviation angle exceeds the designed angle range, the insulator string may change from tension state to compression state, causing damage to the insulator or loosening of the fitting. At the same time, the V-string structure has strict requirements on the angle design, and it is difficult to completely adapt to complex weather conditions, and it has poor applicability to existing lines, which requires the overall replacement of insulator strings and related fittings, resulting in high construction difficulty and cost. In summary, the existing wind deviation prevention technologies generally have problems such as complex installation, insufficient applicability and limited aerodynamic efficiency, and there is still a lack of a protection device with simple structure, convenient installation and stable wind deviation prevention effect under multiple wind directions and strong wind conditions. SUMMARY

[0004] The purpose of this invention is to provide a protective device that is simple in structure, easy to install, and can maintain a stable anti-wind deflection effect under multi-wind and strong wind conditions.

[0005] Therefore, the above-mentioned objective of the present invention is achieved through the following technical solution:

[0006] A pneumatic variable thickness rotating hyperboloid counterweight wind-proof and deflection-stabilizing device includes a bowl-shaped main body, connecting parts and ball bearings;

[0007] The bowl-shaped body adopts a rotating hyperboloid aerodynamic shape with a central thickening and peripheral thinning design, exhibiting axisymmetric characteristics;

[0008] At least one connector is provided on each side of the bowl-shaped body, and a ball bearing is connected to the upper end of the connector. The ball bearing is sleeved on the overhead power transmission line.

[0009] While adopting the above technical solutions, the present invention may also adopt or combine the following technical solutions:

[0010] As a preferred technical solution of the present invention: at least one ear plate is provided on each side of the bowl-shaped body, and the ear plate is fixed to the lower end of the connector.

[0011] As a preferred embodiment of the present invention, the ear plate and the lower end of the connector are fixed together by bolts and lock nuts.

[0012] As a preferred embodiment of the present invention: the ear plates on opposite sides are located at both ends of the diameter of the horizontal cross section where the opening of the bowl-shaped body is located.

[0013] As a preferred embodiment of the present invention, the bottom of the bowl-shaped body is provided with a drainage hole.

[0014] As a preferred technical solution of the present invention: the axis of the water leakage hole coincides with the center of gravity of the pneumatic variable thickness rotating hyperboloid counterweight wind-proof stabilizing device.

[0015] As a preferred technical solution of the present invention: the ball bearing is a deep groove ball bearing, including an inner ring, an outer ring, rolling elements, a cage and a seal. The cage is disposed outside the inner ring and between the inner ring and the outer ring. The cage is used to space two adjacent rolling elements. The seal is disposed between the inner ring and the outer ring to form a cavity for receiving the rolling elements and the cage together with the inner ring and the outer ring. The inner ring is fitted on the overhead power transmission line.

[0016] As a preferred embodiment of the present invention, the bowl-shaped body is made of aluminum alloy.

[0017] As a preferred technical solution of the present invention: the upper opening diameter of the bowl-shaped body is 0.3m-0.6m (corresponding to the wire spacing), the inner surface arc angle is 90±10 degrees, and the outer surface arc angle is 120±10 degrees. Alternatively, the inner surface arc angle can be 120±10 degrees and the outer surface arc angle can be 90±10 degrees.

[0018] This invention provides a pneumatic variable-thickness rotating hyperboloid counterweight-type wind-resistant and deflection-stabilizing device, which has the following significant advantages compared with the prior art:

[0019] Through the all-directional aerodynamic optimization design of the bowl-shaped main body, when facing the wind, the airflow velocity at the top is lower than that at the bottom, and the pressure at the top is greater than that at the bottom. This generates a vertically downward aerodynamic force on the device, effectively increasing the downward pressure on the conductor, suppressing wind deflection, and improving the operational safety of the transmission line. By designing the bowl-shaped main body with a streamlined configuration, the horizontal component of the airflow is significantly reduced during the flow process, resulting in minimal horizontal aerodynamic force acting on the device, thus avoiding additional horizontal thrust on the conductor. The device adopts a symmetrical structural design, which is circular when viewed from above and semi-elliptical when viewed from the side. Due to this axisymmetric design, the bowl-shaped main body can form an equivalent aerodynamic force distribution under the action of airflow from any wind direction, so that the device can generate the same downward force in different wind directions, thus maintaining the stability of the conductor's anti-wind deflection effect regardless of the wind direction angle. The bowl-shaped main body adopts a variable thickness design with a thickened center and gradually thinning edges, resulting in a low center of gravity. Drainage holes are provided at the bottom to ensure the stability of the device under wind loads and prevent rainwater accumulation. The device features a bowl-shaped design that minimizes corrosion and material aging. The ball bearing connecting wire fittings reduce device deflection and friction, ensuring the concave central axis remains essentially vertical even during wind-induced conductor deflection, maintaining optimal windward alignment. The arc design reduces wind resistance and facilitates smooth airflow, mitigating wind load and improving conductor deflection control efficiency while maintaining device stability. The connectors and lugs are secured with detachable bolts for easy installation, eliminating the need for large-scale structural modifications to existing transmission towers and making it suitable for various operational overhead transmission lines. Utilizing the positive correlation between aerodynamic force and wind speed, the device generates a greater downward force at higher wind speeds, significantly enhancing wind deflection prevention in strong winds. In calm or light wind conditions, the device's lightweight design minimizes the additional load on the conductor, avoiding adverse effects on line operation. The compact structure allows for wind deflection suppression without increasing conductor or tower height, reducing requirements on transmission tower structures.

[0020] This invention discloses a pneumatic, variable-thickness, rotating hyperboloid counterweight-based wind deflection stabilizing device unaffected by wind direction. It includes a bowl-shaped main body, connecting parts, and ball bearings for fixing it to a conductor. The bowl-shaped main body adopts a variable-thickness design, thickening at the center and gradually thinning at the edges, to lower the center of gravity and improve overall stability. The overall configuration of the bowl-shaped main body is a rotating hyperboloid structure with axisymmetric characteristics. Due to this axisymmetric design, the bowl-shaped main body can form an equivalent aerodynamic force distribution under the action of airflow from any wind direction, enabling the device to generate a consistent downward force under different wind directions, thereby maintaining the stable wind deflection prevention effect of the conductor, unaffected by wind direction angle.

[0021] The bowl-shaped main body is connected to a ball bearing via a connector and suspended between overhead transmission lines by the ball bearing. When the bowl-shaped main body faces the wind, the airflow velocity on its upper surface is relatively low, forming a high-pressure zone; the airflow velocity on its lower surface is relatively high, forming a low-pressure zone. Due to the pressure difference caused by the difference in airflow velocity between the upper and lower surfaces, a vertically downward aerodynamic force is generated on the bowl-shaped main body, and this aerodynamic force tends to increase with the wind speed, enabling the device to significantly improve the wind deflection prevention effect under high wind speed conditions; while under windless or light wind conditions, because the overall weight of the bowl-shaped main body is relatively light, it will not generate additional load on the line, thus balancing lightweight and protection.

[0022] The bowl-shaped main body adopts a streamlined aerodynamic shape with a hyperboloid of rotation. This effectively reduces the generation of horizontal force during airflow, minimizing the horizontal aerodynamic force acting on the device and avoiding additional horizontal thrust on the conductor. This ensures the device generates a stable downward aerodynamic force only in the vertical direction, improving the reliability and controllability of the wind deflection prevention effect. The connecting parts employ a bolted connection structure, with bolts passing through and tightening at the mating parts to achieve a reliable connection and fixation between the bowl-shaped main body and the ball bearing, thereby ensuring the stability and safety of the device during operation. The ball bearing has a rolling friction structure with a low coefficient of friction, allowing it to rotate flexibly under minimal aerodynamic forces. Even when the conductor deflects due to wind, the bowl-shaped main body can still maintain its concave central axis essentially in the vertical plane, maintaining optimal windward orientation.

[0023] The bowl-shaped main body of this invention adopts an all-directional aerodynamic optimization design. When facing the wind, the airflow velocity at the top is lower than that at the bottom, and the pressure at the top is greater than that at the bottom. This generates a vertically downward aerodynamic force on the device, effectively increasing the downward pressure on the conductor, suppressing wind deflection, and improving the operational safety of transmission lines. The device employs a symmetrical streamlined configuration design, which significantly reduces the horizontal component of the airflow during its flow path, resulting in minimal horizontal aerodynamic force acting on the device and thus avoiding additional lateral thrust on the conductor.

[0024] Furthermore, the bowl-shaped main body is equipped with drainage holes at the bottom to ensure the device remains stable and does not sway under wind loads, while also preventing rainwater accumulation and reducing corrosion and material aging. The device as a whole is compact and lightweight, achieving wind deflection control without increasing the height of conductors or towers, thus reducing additional requirements on the transmission tower structure. The rotating connection structure of the ball bearings reduces deflection friction, ensuring that the device maintains its concave surface aligned with the airflow direction even when wind deflection occurs, thus maintaining optimal windward orientation.

[0025] This invention combines aerodynamic force and counterweight mechanisms to prevent wind deflection. Leveraging the positive correlation between aerodynamic force and wind speed, the device generates a greater downward force at higher wind speeds, significantly enhancing its wind deflection prevention effect under strong wind conditions. In calm or light wind conditions, the device's lightweight design minimizes the additional load on the conductors, avoiding adverse effects on line operation. Compared to existing technologies that reduce wind deflection by suspending weights on conductors or using a single counterweight structure, this invention eliminates the need for gravity protection, features a lightweight structure, and is easy to install. It can be directly applied to existing transmission lines without large-scale modifications. Through the synergistic effect of aerodynamic optimization and counterweight, this invention significantly improves the wind deflection prevention performance of transmission lines in multi-wind and complex aerodynamic environments, demonstrating excellent engineering adaptability and widespread application value. Attached Figure Description

[0026] Figure 1 This is an illustration of an application scenario for the pneumatic variable thickness rotating hyperboloid counterweight wind deflection stabilizing device provided by the present invention.

[0027] Figure 2 This is a top view of the bowl-shaped main body.

[0028] Figure 3 This is a side view of the bowl-shaped main body.

[0029] Figure 4 This is a cross-sectional view of the bowl-shaped body along the axis of symmetry of the ear plates.

[0030] Figure 5 This is a diagram showing the connection relationship between the ear plate and the connector.

[0031] Figure 6 This is a partial cross-sectional view of a ball bearing.

[0032] Figure 7 This is a schematic diagram of the wind speed of the bowl-shaped main body.

[0033] Figure 8 This is a schematic diagram of the bowl-shaped main body's geometric structure.

[0034] Figure 9 The graph shows the relationship between wind speed and the aerodynamic forces generated by the device. Detailed Implementation

[0035] A pneumatic variable-thickness rotating hyperboloid counterweight anti-wind deflection stabilizing device unaffected by wind direction includes: a bowl-shaped body, a connector, and a ball bearing for fixing on an overhead power transmission line; the bowl-shaped body adopts a variable-thickness design with a thickened center and gradually thinned edges, and is a rotating hyperboloid structure with axisymmetric characteristics. It is connected to the ball bearing through the connector and suspended and fixed between the overhead power transmission lines.

[0036] The bowl-shaped body adopts a hyperboloid aerodynamic shape, and the overall configuration has a streamlined feature.

[0037] The bowl-shaped main body is suspended between two parallel overhead power transmission lines at the same height, and is in a basically horizontal state. The center of gravity is located in the middle area of ​​the two lines to ensure stable horizontality under wind load.

[0038] The bottom of the bowl-shaped body is provided with a drainage hole for draining accumulated water, and the two ends are provided with ear plates. The ear plates are fixedly connected to the connector to ensure the stability of the bowl-shaped body under wind load.

[0039] The axis of the drain hole intersects with the center of gravity of the wind deflection stabilizing device to optimize the water discharge path and maintain the stability of the center of gravity.

[0040] The ear plates are symmetrically positioned at the diameter of the horizontal cross-section of the bowl-shaped main body. When viewed from above, they appear as a circular structure, and when viewed from the side, they are approximately semi-elliptical in shape. The cross-section cut along the axis of symmetry is a variable-thickness structure with gradually thinning edges and thickening at the center.

[0041] The connector and the ear plate are fixed together by bolts, so as to realize the detachable connection between the bowl-shaped body and the connector, which is convenient for installation and maintenance; and a lock nut is added to prevent the bolts from loosening.

[0042] The ball bearing used is a separable deep groove ball bearing, comprising an inner ring, an outer ring, rolling elements, and a cage. The inner and outer rings are composed of two halves joined together by screws, clips, or clamps to form a complete ring body, allowing for assembly after the conductor is laid. A connecting ring is provided on the outer side of the inner ring for fixed connection with the conductor, ensuring stable positioning of the bearing on the conductor. A seal is provided on the outer ring to prevent lubricating oil leakage and impurities from entering the cavity between the rolling elements and the cage. Through its separable structural design, this device can be installed without disassembling the conductor, resulting in a compact structure and convenient maintenance.

[0043] The bowl-shaped body is made of aluminum alloy to balance lightweight and structural strength; the connecting parts are made of corrosion-resistant steel, and the ball bearings are made of high-strength stainless steel to ensure long-term outdoor reliability.

[0044] The installation method of the device is as follows: the connector is fixed to the wire fitting by ball bearings, one end of the mounting component is fixed to the ear plate, and the other end is provided with a mounting hole, which is fixed to the fitting bolt through the mounting hole; the center line of the mounting hole passes through the center of gravity of the device to ensure the horizontal stability of the bowl-shaped main body under wind load.

[0045] The device has a symmetrical structure, appearing circular when viewed from above and approximately semi-elliptical when viewed from the side, ensuring uniform airflow distribution below the conductor and achieving aerodynamic optimization in all wind directions.

[0046] The bowl-shaped main body is relatively lightweight, and it places less additional load on the conductors under windless or light wind conditions, thus avoiding adverse effects on line operation.

[0047] The vertical downward aerodynamic force generated by the bowl-shaped body under the action of airflow is positively correlated with the wind speed. When the wind speed increases, the aerodynamic force increases synchronously, thus significantly improving the wind deflection prevention effect under high wind speed conditions.

[0048] The bowl-shaped body adopts a rotating hyperboloid aerodynamic shape, and the overall configuration has a streamlined feature. It can effectively reduce the generation of horizontal force during the airflow process, so that the horizontal aerodynamic force acting on the device is minimal, thereby avoiding the influence of additional horizontal thrust on the conductor. It also ensures that the bowl-shaped body only forms a stable downward aerodynamic force in the vertical direction, so as to improve the reliability and controllability of the anti-wind deflection effect.

[0049] Specifically, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

[0050] A pneumatic, variable-thickness, rotating hyperboloid counterweight-based wind deflection stabilizing device, unaffected by wind direction, includes a bowl-shaped body 1, a connector 2, and ball bearings 3 for fixing to an overhead power transmission line. The bowl-shaped body 1 adopts a variable-thickness design, thickening at the center and gradually thinning at the edges, forming a rotating hyperboloid symmetrical structure. Due to this axisymmetric design, the bowl-shaped body can generate an equivalent aerodynamic force distribution under any wind direction, ensuring the device generates a downward force in the same direction regardless of the wind direction, thus maintaining the stable wind deflection prevention effect on the transmission line unaffected by wind angle. A drainage hole 1-1 is provided at the center of the bowl-shaped body 1 to drain rainwater or other accumulated liquids, preventing water accumulation from affecting the stability of the device and the durability of the materials. Ear plates 1-2 are provided at both ends of the bowl-shaped body 1, which are fixedly connected to the connector 2. The other end of the connector 2 is suspended from the overhead power transmission line by the ball bearings 3, thereby achieving horizontal suspension and free rotation of the device.

[0051] During the installation process, the bowl-shaped main body 1 is suspended between two parallel overhead transmission lines at the same height, ensuring that the device is in a basically horizontal state. The center of gravity of the bowl-shaped main body 1 is located in the middle area of ​​the two conductors, and thanks to the radial thickness gradient design of thickening at the center and thinning at the edges, the center of gravity of the device is low, thus maintaining stability under wind load, increasing the pressure under the conductors, and achieving wind deflection suppression.

[0052] Ear plates 1-2 are symmetrically positioned at the diameter of the horizontal cross-section of the bowl-shaped main body 1. Viewed from above, the bowl-shaped main body 1 has a circular structure, and the ear plates 1-2 are symmetrically arranged on the circular axis of symmetry. Viewed from the side, they have an approximately semi-elliptical outline, and the cross-section along the axis of symmetry has an arc-shaped structure that gradually thins at the edges and thickens at the center. The center of the drainage hole 1-1 coincides with the center of the bowl-shaped main body 1, and its axis intersects the center of gravity, thus ensuring that the device maintains its balance while draining water.

[0053] The connector 2 and the ear plate 1-2 are detachably connected by bolts 2-1, which facilitates the installation, disassembly and maintenance of the device; and a locking nut 2-2 is added to prevent the bolts from loosening; one end of the mounting component is fixed to the ear plate 1-2, and the other end is provided with a mounting hole, which is fixedly connected to the wire fittings through the mounting hole. The center line of the mounting hole passes through the center of gravity of the device to ensure the horizontal stability of the bowl-shaped main body under wind load.

[0054] The bowl-shaped main body 1 is made of aluminum alloy, taking into account both lightweight and strength requirements. The connecting parts 2 can be made of corrosion-resistant steel, and the ball bearings 3 are made of high-strength stainless steel to ensure stability and durability during long-term outdoor operation.

[0055] The ball bearing 3 is a deep groove ball bearing, which mainly bears radial pressure. It includes an inner ring 3-1, an outer ring 3-2, rolling elements 3-3, and a cage 3-4. The inner ring 3-1 of the ball bearing is provided with a connecting ring 3-5 for fixed connection with the conductor. When the conductor is deflected by wind, the cup-shaped body can still keep its concave central axis basically in the vertical plane and in the best windward state. A seal 3-6 is provided on its outside to prevent lubricating oil leakage and impurities from entering.

[0056] In use, when the device faces the wind, the airflow velocity at the top of the arc-shaped main body is lower than that at the bottom, and the pressure at the top is greater than that at the bottom. This generates a vertically downward aerodynamic force on the device, which acts on the conductor. The rotating hyperboloid symmetrical structure design achieves wind deflection suppression in all wind directions. Simultaneously, the arc-shaped design results in low wind resistance and smooth airflow, maintaining a stable anti-wind deflection effect under different wind directions. The device has a compact structure, is suitable for existing overhead transmission towers, requires no major modifications to the tower body and suspension system, is easy to install, and has wide applicability.

[0057] 1) Upper surface pressure P1:

[0058] For the upper surface of the bowl-shaped body, the pressure P1 can be approximated by the aerodynamic formula (assuming the vertically downward force is positive):

[0059]

[0060] C L ≈C0f(λ) (2)

[0061] f(λ)≈1-e -3λ (3)

[0062] λ=h / D (4)

[0063] Where ρ is the air density (approximately 1.225 kg / m³). 3 V is the horizontal wind speed; S is the projected area of ​​the upper surface of the bowl-shaped body; C L λ is the pressure coefficient; C0 is the reference coefficient for the inner wall of the hemisphere, approximately 0.25; f(λ) is the shape correction function; λ is the depth ratio of the inner surface of the bowl-shaped body; h is the height of the inner surface of the bowl-shaped body; D is the diameter of the bottom surface of the bowl-shaped body.

[0064] 2) Lower surface pressure P2:

[0065] The pressure P2 on the lower surface is approximately treated using the wind load shape coefficient for the "rotating shell top" surface in the "Code for Design of Building Structures" (GB 50009—2012):

[0066]

[0067] Among them, C p R is the wind load shape coefficient, R is the radius of curvature of the lower surface of the bowl-shaped body, and θ is the angle between the line connecting the edge of the lower surface of the bowl-shaped body and the center of curvature and the vertical.

[0068] For depth ratio Wind load shape coefficient C p Pick:

[0069]

[0070] The device generates a downward aerodynamic force:

[0071] F = P1 + P2 (7)

[0072] like Figure 9 As shown, the bottom diameter D of the bowl-shaped body is 0.6m, the arc angle of the upper surface is 90°, and the arc angle of the lower surface is 120°. As can be seen from the curve of wind speed and downward aerodynamic force, as the wind speed increases, the device can continuously provide a stable and good downward aerodynamic force.

[0073] The above specific embodiments are used to explain and illustrate the present invention, and are only preferred embodiments of the present invention, not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made to the present invention within the spirit and scope of the claims shall fall within the protection scope of the present invention.

Claims

1. A pneumatic variable thickness rotating hyperboloid counterweight type wind-resistant and deflection-stabilizing device, characterized in that: The bowl-shaped body, the connecting piece and the ball bearing are included. The bowl-shaped body adopts a rotation hyperboloid aerodynamic shape with a variable thickness design of central thickening and week side thinning, and has an axial symmetry characteristic. At least one connecting piece is arranged on each side of the bowl-shaped body, and a ball bearing is connected to the upper end of the connecting piece.

2. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 1, characterized in that: At least one ear plate is arranged on each side of the bowl-shaped body, and the ear plate is fixed to the lower end of the connecting piece.

3. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 2, characterized in that: The ear plate and the lower end of the connecting piece are fixed by a bolt and a locking nut.

4. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 2, characterized in that: The ear plates on opposite sides are located at the two ends of the diameter of the horizontal section of the opening on the bowl-shaped body.

5. The pneumatic variable thickness, gyrating hyperboloid ballast type anti-windage yaw stabilizer of claim 1 or 2, wherein: A water leakage hole is arranged at the bottom of the bowl-shaped body.

6. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 5, characterized in that: The axis of the water leakage hole coincides with the center of gravity of the aerodynamic variable-thickness rotation hyperboloid weight type windage prevention stabilizer.

7. The pneumatic variable thickness, gyrating hyperboloid, ballastable, windage-reducing stabilizer of claim 1, wherein: The ball bearing is a deep groove ball bearing, which includes an inner ring, an outer ring, rolling bodies, a retainer and a sealing member.

8. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 1, characterized in that: The retainer is arranged outside the inner ring and between the inner ring and the outer ring, and is used to separate two adjacent rolling bodies.

9. The pneumatic variable thickness, rotating hyperboloid ballast type anti-wind yaw stabilizer according to claim 1, characterized in that: The sealing member is arranged between the inner ring and the outer ring to form a cavity for accommodating the rolling bodies and the retainer together with the inner ring and the outer ring. The inner ring is sleeved on the overhead transmission line. The bowl-shaped body is made of aluminum alloy material. The diameter of the upper opening of the bowl-shaped body is 0.3-0.6m. The inner surface has an arc angle of 90±10 degrees, and the outer surface has an arc angle of 120±10 degrees. Alternatively, the inner surface has an arc angle of 120±10 degrees, and the outer surface has an arc angle of 90±10 degrees.

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