A spacer and a spacer installation system

Abstract

This invention discloses a spacer and a spacer installation system. By connecting a conductor connection mechanism to an insulator, the insulator is fixed to the conductor using the clamps of the conductor connection mechanism. A silicone rubber pad increases the friction between the clamps and the conductor, allowing the conductor to better transfer vibration energy to the conductor connection mechanism during vibration. In the conductor connection mechanism, the viscoelastic damping material of the clamps initially eliminates the transmitted vibration energy. Then, a secondary elimination of vibration energy occurs using a permanent magnet electromagnetic damper composed of a permanent magnet, bearing, and spring. The vibration energy is transmitted to the spring through the bearing, causing the spring to move in the magnetic field generated by the permanent magnet. Based on the principle of electromagnetic induction, the vibration energy is converted into electrical energy and dissipated. Therefore, this invention can absorb the energy brought by conductor vibration, thereby solving the problem of poor stability in transmission lines caused by vibration.

Description

Technical Field

[0001] This invention relates to the field of power transmission line technology, and in particular to a spacer bar and a spacer bar installation system. Background Technology

[0002] Transmission lines are subject to vibration due to factors such as strong winds and short-circuit current surges. Icing and strong winds can cause severe conductor galloping, leading to phase-to-phase short circuits, strand wear, and accidents such as wire breaks, wire drops, and contact network tripping. Traditional spacers lack vibration damping capabilities, relying solely on insulators for spacing. Their vibration damping performance is poor, failing to effectively dissipate the vibration energy generated by conductor galloping. Long-term vibration can damage their own structure, ultimately affecting the stability of the entire transmission line.

[0003] Therefore, there is an urgent need for a spacer bar to solve the problem of poor stability of transmission lines caused by vibration. Summary of the Invention

[0004] This invention provides a spacer bar and a spacer bar installation system to solve the problem of poor stability of transmission lines caused by vibration.

[0005] To address the aforementioned problems, one embodiment of the present invention provides a spacer bar, comprising: a conductor connecting mechanism and an insulator; wherein the conductor connecting mechanism is disposed at both ends of the insulator;

[0006] The conductor connection mechanism includes: a permanent magnet electromagnetic damper, a gripper, a viscoelastic damping material, and a silicone rubber pad; wherein, one side of the silicone rubber pad is embedded on the inner surface of the gripper, and the viscoelastic damping material is embedded on the other side of the silicone rubber pad; the conductor connection mechanism is connected to the insulator through the permanent magnet electromagnetic damper;

[0007] The permanent magnet electromagnetic damper includes: a permanent magnet, a bearing, a spring, and a damping cavity; wherein, the permanent magnet is fixed inside the wire connection mechanism, one end of the permanent magnet is connected to one end of the bearing, the other end of the bearing is connected to one end of the spring, the other end of the spring is connected to the insulator, and the permanent magnet, the bearing, and the spring are disposed inside the damping cavity.

[0008] As an improvement to the above solution, the wire connection mechanism further includes: a pressure sensor, a micro motor, and a telescopic rod; wherein, the gripper is connected to one end of the telescopic rod, the other end of the telescopic rod is connected to the micro motor, and the pressure sensor is disposed at the connection between the telescopic rod and the gripper.

[0009] As an improvement to the above solution, the preparation of the insulator includes:

[0010] Obtain a first epoxy resin, a first curing agent, a diluent, a first nano-silica, a first nano-alumina, PTFE micro powder, and a first nano-titanium dioxide;

[0011] The first epoxy resin, the first curing agent, the diluent, the first nano silica, the first nano alumina, the PTFE micro powder, and the first nano titanium dioxide are processed by a stirring device and an ultrasonic dispersion device to obtain a mixed slurry;

[0012] The mixed slurry is added to a vacuum casting equipment for degassing to obtain a degassed slurry, and the degassed slurry is filled into a preheated mold to obtain a casting mold;

[0013] The casting mold is added to a curing oven for a curing reaction to obtain a cured body;

[0014] The cured body is sanded and cleaned, and then the coating material is sprayed onto the sanded and cleaned cured body to obtain the coated body;

[0015] The sprayed material is added to a curing oven for curing to obtain an insulator.

[0016] As an improvement to the above solution, the first epoxy resin, first curing agent, diluent, first nano-silica, first nano-alumina, PTFE micro powder, and first nano-titanium dioxide are processed by a high-speed stirring device and an ultrasonic dispersion device to obtain a mixed slurry, comprising:

[0017] The first epoxy resin and diluent are added to a mixing device and stirred to obtain a first mixture;

[0018] The first mixture and the first nano-silica were added to a stirring device and stirred to obtain a second mixture;

[0019] The second mixture is ultrasonically treated using an ultrasonic dispersion device to obtain a third mixture; wherein the dispersion uniformity of the first nano-silica in the third mixture is greater than that of the first nano-silica in the second mixture.

[0020] The first nano-alumina and the third mixture are added to a stirring device and stirred to obtain a fourth mixture;

[0021] The fourth mixture is ultrasonically treated using an ultrasonic dispersion device to obtain a fifth mixture; wherein the dispersion uniformity of the first nano-alumina in the fifth mixture is greater than that of the first nano-alumina in the fourth mixture.

[0022] The first curing agent and the fifth mixture are added to a mixing device and stirred to obtain the sixth mixture;

[0023] PTFE micro powder and the sixth mixture are added to a mixing device and stirred to obtain the seventh mixture;

[0024] The sixth mixture and the first nano-titanium dioxide are stirred in a mixing device to obtain a mixed slurry.

[0025] As an improvement to the above solution, the first epoxy resin is obtained as follows:

[0026] Hydrogenated bisphenol A epoxy resin and bisphenol A epoxy resin are mixed at a preset first mass ratio to obtain a second epoxy resin without degassing treatment.

[0027] The second epoxy resin is added to a vacuum casting device for degassing to obtain the first epoxy resin.

[0028] As an improvement to the above solution, the acquisition of the first curing agent is specifically as follows:

[0029] Obtain the second curing agent that has not undergone drying treatment;

[0030] The second curing agent is dried to obtain the first curing agent.

[0031] As an improvement to the above solution, the acquisition of the first nano-silica is specifically as follows:

[0032] Obtain unmodified second nano-sized silica;

[0033] The second nano-silica and the first silane coupling agent are mixed in ethanol at a preset second mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-silica.

[0034] As an improvement to the above solution, the acquisition of the first nano-alumina is specifically as follows:

[0035] Obtain unmodified second nano-alumina;

[0036] The second nano-alumina and the second silane coupling agent are mixed in ethanol at a preset third mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-alumina.

[0037] As an improvement to the above solution, the acquisition of the first nano-titanium dioxide is specifically as follows:

[0038] Obtain unmodified second nano-alumina;

[0039] The second nano-alumina and the second silane coupling agent are mixed in ethanol at a preset fourth mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-alumina.

[0040] Accordingly, one embodiment of the present invention also provides a spacer installation system, including: a drone, a spacer, and a main control module; wherein, the drone is connected to the spacer, and the drone is connected to the main control module; the spacer is an application of the spacer described in the present invention.

[0041] The main control module is used to control the movement of the spacer bar by the UAV and to control the fixing of the spacer bar to the wire; the main control module executes the spacer bar installation method;

[0042] The specific method for installing the spacer is as follows:

[0043] Obtain the installation parameters, coordinates, and environmental data of the wire to be installed;

[0044] Based on the coordinates of the wire to be installed and environmental data, a flight path for the UAV is generated and sent to the UAV so that the UAV can fly based on the flight path.

[0045] When the UAV reaches the end of its flight path, the gripper of the spacer is controlled to close, and pressure data collected by the pressure sensor of the spacer is acquired when the gripper of the spacer closes.

[0046] When the pressure data reaches the pressure threshold range, the installation of the spacer bar and the wire to be installed is completed.

[0047] As can be seen from the above, the present invention has the following beneficial effects:

[0048] This invention provides a spacer bar that connects a conductor connection mechanism to an insulator. The insulator is fixed to the conductor by the clamps of the conductor connection mechanism, and a silicone rubber pad increases the friction between the clamps and the conductor, allowing the conductor to better transfer vibration energy to the conductor connection mechanism during vibration. In the conductor connection mechanism, the viscoelastic damping material of the clamps initially eliminates the transmitted vibration energy. Then, a secondary elimination of vibration energy occurs using a permanent magnet electromagnetic damper composed of a permanent magnet, bearing, and spring. The vibration energy is transmitted to the spring through the bearing, causing the spring to move in the magnetic field generated by the permanent magnet. Based on the principle of electromagnetic induction, the vibration energy is converted into electrical energy and dissipated. Simultaneously, the spring deformation converts the vibration energy into elastic potential energy. Therefore, this invention can absorb the energy brought by conductor vibration, thereby solving the problem of poor stability in transmission lines caused by vibration. Attached Figure Description

[0049] Figure 1 This is a schematic diagram of the structure of a spacer provided in an embodiment of the present invention;

[0050] Figure 2 This is a schematic diagram of the spacer mounting system provided in an embodiment of the present invention;

[0051] Figure 3 This is an enlarged structural schematic diagram of the gripper provided in an embodiment of the present invention;

[0052] Figure 4 This is an enlarged structural schematic diagram of a wire connection mechanism provided in an embodiment of the present invention.

[0053] In the diagram: 1. Gripper; 2. Insulator; 3. Micro motor; 4. Permanent magnet; 5. Bearing; 6. Spring; 7. Telescopic rod; 8. Viscoelastic damping material; 9. Silicone rubber pad; 10. Damping cavity. Detailed Implementation

[0054] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] Example 1

[0056] See Figure 1 , Figure 1 This is a schematic diagram of a spacer provided in an embodiment of the present invention, as shown below. Figure 1 As shown, it includes: a conductor connection mechanism and an insulator; wherein, the conductor connection mechanism is disposed at both ends of the insulator;

[0057] The conductor connection mechanism includes: a permanent magnet electromagnetic damper, a gripper, a viscoelastic damping material, and a silicone rubber pad; wherein, one side of the silicone rubber pad is embedded on the inner surface of the gripper, and the viscoelastic damping material is embedded on the other side of the silicone rubber pad; the conductor connection mechanism is connected to the insulator through the permanent magnet electromagnetic damper;

[0058] The permanent magnet electromagnetic damper includes: a permanent magnet, a bearing, a spring, and a damping cavity; wherein, the permanent magnet is fixed inside the wire connection mechanism, one end of the permanent magnet is connected to one end of the bearing, the other end of the bearing is connected to one end of the spring, the other end of the spring is connected to the insulator, and the permanent magnet, the bearing, and the spring are disposed inside the damping cavity.

[0059] As an improvement to the above solution, the wire connection mechanism further includes: a pressure sensor, a micro motor, and a telescopic rod; wherein, the gripper is connected to one end of the telescopic rod, the other end of the telescopic rod is connected to the micro motor, and the pressure sensor is disposed at the connection between the telescopic rod and the gripper.

[0060] It should be noted that the spacer bar body has a ring-shaped elastic gripper connecting assembly at both ends, which combines strong fixing and damping functions. The gripper is semi-ring-shaped, with two layers of buffering materials tightly embedded inside. The innermost layer is a highly elastic, high-friction coefficient silicone rubber pad, which can closely conform to the slight undulations of the conductor surface, greatly enhancing friction, preventing the conductor from sliding within the gripper, and preventing damage to the conductor. The silicone rubber pad typically has a static friction coefficient >0.8, a dynamic friction coefficient >0.6, an elongation at break ≥300%, and a tensile strength ≥6MPa. Outside the silicone rubber pad is a layer of viscoelastic damping material with a loss factor >0.2 and an elastic modulus between 10⁴ and 10¹⁰. 6 The pressure sensor effectively buffers vibrations of the conductor caused by wind and current surges, reducing relative displacement between the conductor and the clamps and improving connection stability. The clamps are controlled by built-in miniature electric telescopic rods. When the conductor needs to be gripped, both telescopic rods activate synchronously, using a stable and balanced thrust to close the clamps. The opening and closing of the clamps is controlled via wireless signals, enabling precise operation. To further enhance connection reliability, the clamp closure level is monitored in real-time by pressure sensors mounted on the telescopic rods. When the pressure reaches a preset safe range, indicating that the clamps have gripped the conductor tightly and appropriately, the control system automatically stops the telescopic rod movement, ensuring that the pressure between the clamps and the conductor remains at an optimal level, guaranteeing a stable connection while preventing excessive compression damage to the conductor. The connection between the conductor connection mechanism and the insulator is a permanent magnet electromagnetic damper, which converts the mechanical energy of vibration into electrical energy and dissipates it through electromagnetic induction, thereby improving the vibration damping performance of the spacer and extending its service life.

[0061] For a better illustration, see the enlarged structure of the gripper. Figure 3 The enlarged structure of the wire connection mechanism participates. Figure 4 .

[0062] As an improvement to the above solution, the preparation of the insulator includes:

[0063] Obtain a first epoxy resin, a first curing agent, a diluent, a first nano-silica, a first nano-alumina, PTFE micro powder, and a first nano-titanium dioxide;

[0064] The first epoxy resin, the first curing agent, the diluent, the first nano silica, the first nano alumina, the PTFE micro powder, and the first nano titanium dioxide are processed by a stirring device and an ultrasonic dispersion device to obtain a mixed slurry;

[0065] The mixed slurry is added to a vacuum casting equipment for degassing to obtain a degassed slurry, and the degassed slurry is filled into a preheated mold to obtain a casting mold;

[0066] The casting mold is added to a curing oven for a curing reaction to obtain a cured body;

[0067] The cured body is sanded and cleaned, and then the coating material is sprayed onto the sanded and cleaned cured body to obtain the coated body;

[0068] The sprayed material is added to a curing oven for curing to obtain an insulator.

[0069] It should be noted that the added reactive diluent, benzyl glycidyl ether, is 8% of the epoxy resin mass.

[0070] As an improvement to the above solution, the first epoxy resin, first curing agent, diluent, first nano-silica, first nano-alumina, PTFE micro powder, and first nano-titanium dioxide are processed by a high-speed stirring device and an ultrasonic dispersion device to obtain a mixed slurry, comprising:

[0071] The first epoxy resin and diluent are added to a mixing device and stirred to obtain a first mixture;

[0072] The first mixture and the first nano-silica were added to a stirring device and stirred to obtain a second mixture;

[0073] The second mixture is ultrasonically treated using an ultrasonic dispersion device to obtain a third mixture; wherein the dispersion uniformity of the first nano-silica in the third mixture is greater than that of the first nano-silica in the second mixture.

[0074] The first nano-alumina and the third mixture are added to a stirring device and stirred to obtain a fourth mixture;

[0075] The fourth mixture is ultrasonically treated using an ultrasonic dispersion device to obtain a fifth mixture; wherein the dispersion uniformity of the first nano-alumina in the fifth mixture is greater than that of the first nano-alumina in the fourth mixture.

[0076] The first curing agent and the fifth mixture are added to a mixing device and stirred to obtain the sixth mixture;

[0077] PTFE micro powder and the sixth mixture are added to a mixing device and stirred to obtain the seventh mixture;

[0078] The sixth mixture and the first nano-titanium dioxide are stirred in a mixing device to obtain a mixed slurry.

[0079] As an improvement to the above solution, the first epoxy resin is obtained as follows:

[0080] Hydrogenated bisphenol A epoxy resin and bisphenol A epoxy resin are mixed at a preset first mass ratio to obtain a second epoxy resin without degassing treatment.

[0081] The second epoxy resin is added to a vacuum casting device for degassing to obtain the first epoxy resin.

[0082] In one specific embodiment, the mass ratio of epoxy resin: hydrogenated bisphenol A type epoxy resin (epoxy equivalent 165-175): bisphenol A type epoxy resin (epoxy equivalent 165-175) is 1:1.5 (i.e., the first mass ratio described in this invention), resulting in a second epoxy resin without degassing treatment. Before use, the second epoxy resin is degassed under vacuum to remove any microbubbles that may be present, preventing defects from forming in the insulator body. The degassing temperature is controlled at 60°C, the vacuum degree is maintained at 0.9 MPa, and the treatment time is 3 hours. After degassing, a first epoxy resin is obtained.

[0083] As an improvement to the above solution, the acquisition of the first curing agent is specifically as follows:

[0084] Obtain the second curing agent that has not undergone drying treatment;

[0085] The second curing agent is dried to obtain the first curing agent.

[0086] In one specific embodiment, an anhydride-based curing agent, methylhexahydrophthalic anhydride, is used. The second curing agent requires drying before use; the drying temperature is set at 80°C, and the drying time is 2 hours. The mass of the curing agent is 70% of the mass of the epoxy resin. After drying, the first curing agent is obtained.

[0087] As an improvement to the above solution, the acquisition of the first nano-silica is specifically as follows:

[0088] Obtain unmodified second nano-sized silica;

[0089] The second nano-silica and the first silane coupling agent are mixed in ethanol at a preset second mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-silica.

[0090] In one specific embodiment, before adding epoxy resin, the second nano-silica with a particle size of 30 nm and no surface modification needs to undergo surface modification treatment using the silane coupling agent γ-aminopropyltriethoxysilane (KH-550, i.e., the first silane coupling agent described in this invention). The nano-silica and the silane coupling agent are mixed in ethanol at a mass ratio of 7:1 (i.e., the second mass ratio described in this invention), and reacted at 80°C for 2.5 hours under stirring, allowing the silane coupling agent to form an organic coating layer on the surface of the second nano-silica, improving its compatibility with the epoxy resin. After the reaction, the surface-modified first nano-silica is obtained by centrifugation and drying. The mass of the nano-silica is 5% of the mass of the epoxy resin.

[0091] As an improvement to the above solution, the acquisition of the first nano-alumina is specifically as follows:

[0092] Obtain unmodified second nano-alumina;

[0093] The second nano-alumina and the second silane coupling agent are mixed in ethanol at a preset third mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-alumina.

[0094] In one specific embodiment, a second nano-alumina with an unmodified particle size of 30-50 nm is selected, which can effectively improve the insulation performance and heat resistance of epoxy resin. Similarly, the second nano-alumina is surface-modified to improve its compatibility with epoxy resin. Using the silane coupling agent γ-glycidoxypropyltrimethoxysilane (KH-560, i.e., the second silane coupling agent described in this invention), the nano-alumina and the silane coupling agent are mixed in isopropanol at a mass ratio of 7:1 (i.e., the third mass ratio described in this invention). Under stirring and heating conditions, the mixture is reacted at 80°C for 2 hours. Then, after centrifugation and drying, surface-modified first nano-alumina is obtained. The nano-alumina accounts for 5% of the mass of the epoxy resin.

[0095] As an improvement to the above solution, the acquisition of the first nano-titanium dioxide is specifically as follows:

[0096] Obtain unmodified second nano-alumina;

[0097] The second nano-alumina and the second silane coupling agent are mixed in ethanol at a preset fourth mass ratio, added to a stirring device for stirring, and centrifuged and dried after stirring to obtain the surface-modified first nano-alumina.

[0098] In one specific embodiment, unmodified second nano-titanium dioxide (TiO2) with a particle size of 30 nm was selected, which exhibits good photocatalytic activity. Under ultraviolet irradiation, it can generate highly oxidizing free radicals, decomposing organic pollutants on the surface and playing a self-cleaning role. Before use, the second nano-TiO2 was surface-modified by treating it with γ-methacryloyloxypropyltrimethoxysilane (KH-570, i.e., the third silane coupling agent described in this invention) to improve its bonding force with epoxy resin. Nano-alumina and silane coupling agent were mixed in ethanol at a mass ratio of 7:1 (i.e., the fourth mass ratio described in this invention), and reacted at 70°C for 2 hours under stirring and heating conditions. Then, after centrifugation and drying, surface-modified first nano-titanium dioxide was obtained. The nano-titanium dioxide accounted for 5% of the mass of epoxy resin.

[0099] Regarding the preparation of insulators, it should be noted that, according to the optimized formula, pretreated first epoxy resin, first curing agent, diluent, first nano-silica, and first nano-alumina are mixed. First, the first epoxy resin and diluent are added to a high-speed mixer and stirred at 500 rpm for 20 minutes to ensure thorough mixing and obtain a first mixture, reducing the viscosity of the system. Next, the surface-modified first nano-silica is slowly added to the mixture, and stirring continues for 20 minutes to initially disperse the first nano-silica in the epoxy resin, obtaining a second mixture. Then, the mixture is ultrasonically treated using an ultrasonic dispersion device, with the ultrasonic power controlled at 500W and the ultrasonic time at 30 minutes, to further improve the dispersion uniformity of the first nano-silica, obtaining a third mixture and avoiding agglomeration.

[0100] After the first nano-silica is uniformly dispersed, the surface-modified first nano-alumina is added to the system. The mixture is first stirred at 200 rpm for 15 minutes to obtain a fourth mixture. The fourth mixture is then subjected to a second ultrasonic treatment with the same power and time as the first treatment to ensure that the first nano-alumina is also uniformly dispersed in the epoxy resin, resulting in a fifth mixture. Finally, the dried first curing agent is slowly added to the fifth mixture, and the mixture is stirred at 250 rpm for 20 minutes to ensure thorough mixing of the first curing agent with the other components, resulting in a sixth mixture.

[0101] PTFE micropowder dispersed in perfluorohexane was slowly added to the system and stirred continuously for 25 minutes to ensure uniform distribution, thus obtaining the seventh mixture. Then, the surface-modified first nano-TiO2 was added, and stirring was continued for 30 minutes to form a homogeneous slurry.

[0102] The mixed slurry is transferred to a vacuum casting machine and subjected to a second degassing treatment at a vacuum level of 0.09 MPa for 20 minutes to ensure that no air bubbles remain in the slurry, thus obtaining a degassed slurry. Simultaneously, the molds used to form the mandrel and skirt are preheated to 90°C to ensure the slurry can fill the mold smoothly and reduce molding defects caused by excessively low mold temperature. The degassed slurry is then injected into the preheated mold using pressure casting. The casting pressure is controlled at 0.35 MPa to ensure that the slurry can evenly and quickly fill all parts of the mold, obtaining a cast mold and avoiding material shortages or uneven density in certain areas.

[0103] After casting, the casting mold is placed in a curing oven for curing. The curing process uses a step-by-step heating method: first, curing at 100℃ for 1.5 hours to allow the epoxy resin to initially cross-link and form a certain strength; then, the temperature is increased to 140℃ and curing continues for 2.5 hours to ensure a more complete curing reaction, improving the mechanical properties and stability of the insulator. After curing, the mold is removed from the curing oven and allowed to cool naturally to room temperature to avoid internal stress in the insulator body caused by rapid temperature changes, which could affect performance.

[0104] After cooling, the insulator body is removed from the mold to obtain a cured body. The cured body undergoes surface polishing and cleaning. Sandpaper is used to finely polish the insulator surface, removing burrs and uneven areas to achieve a smooth and flat surface. Then, ultrasonic cleaning equipment is used to clean the insulator in deionized water and cocamidopropyl betaine solvent to remove residual impurities and release agent, ensuring a firm adhesion of the anti-icing coating.

[0105] Preparation of spraying material: The modified nano-TiO2 and PTFE are thoroughly mixed at a mass ratio of 0.7:1 and dispersed in a mixed solvent of ethanol and acetone to form a uniform spraying liquid. Sodium polyacrylate and polyimide are added to improve the stability and adhesion of the spraying liquid, thus obtaining the spraying material. The mass ratio of PTFE:sodium polyacrylate:polyimide is 80:1:1. The spraying pressure is controlled at about 0.4MPa and the spraying distance is maintained at 15cm to ensure uniform coating.

[0106] Curing treatment: After spraying, the sprayed body is obtained. The sprayed body is dried at 80°C for 1.5 hours to cure the coating, improve its adhesion and stability, and thus obtain the insulator.

[0107] In a specific embodiment, let the diameter of the permanent magnet be d1, and the distance between the permanent magnet and the inner wall of the damping chamber be d2, then 0.05d1 < d2 < 0.1d1. According to the principle of electromagnetic induction, the damping force of the electromagnetic damper is related to the rate of change of the magnetic flux passing through the damping chamber. The smaller the distance d2, the more magnetic induction lines generated by the permanent magnet pass through the damping chamber, the greater the magnetic flux, and the greater the induced electromotive force and induced current generated when the magnetic flux changes, resulting in a greater damping force. However, when d2 is too small, it may cause the magnetic field between the permanent magnet and the damping chamber to be too concentrated, the edge effect to increase, and the magnetic field distribution to be uneven, which is not conducive to generating a stable and effective damping force.

[0108] It should be noted that (1) Damping principle based on electromagnetic induction: The movement of the permanent magnet generates a magnetic field change: When the wire vibrates, it will drive the spring to stretch and contract, and then make the permanent magnet connected to one end of the spring move relatively in the damping chamber. This movement of the permanent magnet causes the magnetic field around it to change spatially, making the magnetic field environment where the damping chamber is located constantly change.

[0109] The damping chamber generates an induced current: According to the law of electromagnetic induction, an induced electromotive force will be generated in the damping chamber in a changing magnetic field. Since the damping chamber is a conductor, an induced current will be generated in the damping chamber under the action of the induced electromotive force. The interaction between the induced current and the magnetic field generates a damping force: According to Lenz's law, the induced current generated in the damping chamber will form a magnetic field opposite to the change trend of the original magnetic field. This magnetic field interacts with the magnetic field of the permanent magnet and will generate a force that hinders the movement of the permanent magnet. This force is the electromagnetic damping force. The electromagnetic damping force always tries to prevent the relative movement of the permanent magnet, thereby consuming vibration energy and playing a damping role.

[0110] (2) Buffer principle based on the spring: The spring stores and releases energy: The spring plays a role in buffering and energy regulation. When the wire vibrates, the spring will stretch and contract with the vibration. During the process of the spring stretching or compressing, it will store elastic potential energy and convert part of the vibration energy into its own elastic potential energy. When the spring returns to its original state, it will release the stored elastic potential energy. However, during this process, due to the existence of the electromagnetic damping force, the process of the spring releasing energy will be hindered, making the vibration energy not fully restored to the kinetic energy of the wire, thereby reducing the vibration amplitude of the wire.

[0111] In summary, the damping force generated by electromagnetic induction consumes vibration energy, and at the same time, by using the buffering and energy regulation effects of the spring, it jointly realizes the vibration reduction and energy dissipation of the wire and effectively suppresses its vibration.

[0112] This embodiment connects the conductor connection mechanism to the insulator. The insulator is fixed to the conductor by the clamps of the conductor connection mechanism, and the friction between the clamps and the conductor is increased by a silicone rubber pad, so that the vibration energy of the conductor can be better transferred to the conductor connection mechanism when it vibrates. In the conductor connection mechanism, the viscoelastic damping material of the clamps first eliminates the transmitted vibration energy, and then the vibration energy is eliminated a second time by a permanent magnet electromagnetic damper composed of a permanent magnet, bearing, and spring. The vibration energy is conducted to the spring through the bearing, so that the spring moves in the magnetic field generated by the permanent magnet. Then, according to the principle of electromagnetic induction, the vibration energy is converted into electrical energy and dissipated. Therefore, this invention can absorb the energy brought by conductor vibration, thereby solving the problem of poor stability of transmission lines caused by vibration.

[0113] Example 2

[0114] See Figure 2 , Figure 2 This is a schematic diagram of a spacer installation system according to an embodiment of the present invention, including: a drone 201, a spacer 202, and a main control module 203; wherein, the drone is connected to the spacer and the main control module is connected; the spacer is the type of spacer described in the present invention.

[0115] The main control module is used to control the movement of the spacer bar by the UAV and to control the fixing of the spacer bar to the wire; the main control module executes the spacer bar installation method;

[0116] The specific method for installing the spacer is as follows:

[0117] Obtain the installation parameters, coordinates, and environmental data of the wire to be installed;

[0118] Based on the coordinates of the wire to be installed and environmental data, a flight path for the UAV is generated and sent to the UAV so that the UAV can fly based on the flight path.

[0119] When the UAV reaches the end of its flight path, the gripper of the spacer is controlled to close, and pressure data collected by the pressure sensor of the spacer is acquired when the gripper of the spacer closes.

[0120] When the pressure data reaches the pressure threshold range, the installation of the spacer bar and the wire to be installed is completed.

[0121] In one specific embodiment, the drone includes a drone body, a support frame, and a controller 1. The support frame connects the drone and the spacer bar body, and can be telescopic, folding, X-shaped, or upright. The drone provides power for the entire installation process. The controller 1 collects sensor data and transmits it to the main control module; it also receives remote control commands from the operator to control the various actions of the installation device. After the spacer bar and wires are fixed, the support frame separates from the spacer bar.

[0122] In one specific embodiment, after the main control module starts, it automatically executes the initialization program and loads the preset installation parameters; it establishes a connection with the UAV controller 1 through wireless communication and verifies the communication status (such as signal strength and transmission delay).

[0123] Perform a self-test on the sensor system (including the pressure sensor of the gripper, the positioning module on the drone, the environmental monitoring sensor on the drone, etc.) to confirm that the data from each sensor is being fed back normally.

[0124] If the self-check fails, an alarm is triggered and the process is paused; if the self-check passes, the process enters standby mode.

[0125] Understandably, the operator sends installation instructions to the main control module, including the location of the wire to be installed and installation parameters (such as gripper pressure threshold and UAV flight path). The main control module parses the instructions and generates an installation task sequence, which is then synchronously updated to the UAV's controller 1. Based on the preset wire coordinates and environmental data (such as wind speed and obstacle information), the main control module plans the optimal flight path for the UAV. It dynamically adjusts the flight trajectory to ensure the UAV accurately approaches the target installation location.

[0126] When the drone arrives near the wire to be installed, the main control module sends a gripper pre-closing command to controller 1. The gripper closing pressure is monitored in real time by a pressure sensor. If the pressure does not reach the preset range, the main control module automatically adjusts the extension rod thrust until the pressure stabilizes within the threshold. Once the pressure reaches the target, the main control module locks the gripper state and triggers the electromagnetic damper to activate, entering vibration reduction mode.

[0127] The main control module controls the drone to maintain a stable hover, ensuring that the spacer body is perpendicularly aligned with the guide wire. After confirming that the installation is correct, the main control module issues a bracket separation command, and the drone module detaches from the spacer body.

[0128] In one specific embodiment, real-time monitoring of sensor data (such as drone battery level, communication interruption, and abnormal gripper pressure) is performed. If a fault is detected: the installation process is immediately paused, and the drone is controlled to enter a safe hovering mode. An audible and visual alarm is issued to the operator, and a fault code and suggested handling measures are pushed. If communication is interrupted, an autonomous return-to-home procedure is initiated, guiding the drone back to a preset safe point. Task completion and data archiving: After installation, the main control module generates an installation report (including timestamps, sensor logs, and operation records). Data is automatically uploaded to the cloud server, and the task status is fed back to the remote terminal. The drone is then controlled to return to base, enter standby mode, and await the next task instruction.

[0129] It should be noted that the test standards in this embodiment include:

[0130] 1. Young's modulus: Refer to Standard test for Young's modulus of insulators.

[0131] 2. Breakdown characteristics: Refer to Standard test for the breakdown characteristics of insulators.

[0132] 3. Hardness characteristics: Refer to Standard testing of the hardness characteristics of insulators.

[0133] 4. Tensile shear strength: Refer to Standard testing measures the tensile and shear strength of insulator skirts and core rods.

[0134] 5. Contact angle: GB / T 30693-2014 "Measurement of contact angle between plastic film and water".

[0135] The performance of the spacer bar body after testing is shown in Table 1:

[0136] Table 1

[0137]

[0138] This embodiment uses a main control module to control a drone to move the spacer to the conductor and connect the spacer to the conductor, thus automating the spacer installation and greatly improving its efficiency. Furthermore, this embodiment eliminates the need for personnel to approach high-voltage conductors during spacer installation; remote installation via drone achieves mechanization and enhances worker safety.

[0139] It should be noted that the device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Furthermore, in the accompanying drawings of the device embodiments provided by this invention, the connection relationships between modules indicate that they have communication connections, which can be specifically implemented as one or more communication buses or signal lines. Those skilled in the art can understand and implement this without any creative effort.

[0140] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A spacer bar, characterized by The utility model relates to a kind of insulator and wire connecting mechanism, including: wire connecting mechanism and insulator;Wherein, wire connecting mechanism is arranged in the both ends of insulator;The preparation of the insulator includes: obtaining first epoxy resin, first curing agent, diluent, first nanometer silicon dioxide, first nanometer aluminum oxide, PTFE micro powder and first nanometer titanium dioxide;First epoxy resin, first curing agent, diluent, first nanometer silicon dioxide, first nanometer aluminum oxide, PTFE micro powder and first nanometer titanium dioxide are handled by stirring equipment and ultrasonic dispersion equipment, and mixed slurry is obtained;Mixed slurry is added to vacuum casting equipment to carry out defoaming treatment, and defoaming slurry is obtained, and defoaming slurry is filled into the mold preheated, and pouring mold is obtained;Pouring mold is added to curing oven to carry out curing reaction, and curing body is obtained;Curing body is polished and cleaned, and spraying material is sprayed to the curing body after polishing and cleaning, and spraying body is obtained;Spraying body is added to curing oven to carry out curing reaction, and insulator is obtained; The wire connecting mechanism includes: permanent magnet type electromagnetic damper, clamping jaw, viscoelastic damping material and silicone rubber pad;Wherein, the inner surface of the clamping jaw is inlaid one side of the silicone rubber pad, and the other side of the silicone rubber pad is inlaid the viscoelastic damping material;The wire connecting mechanism is connected with the insulator by the permanent magnet type electromagnetic damper; The permanent magnet type electromagnetic damper includes: permanent magnet, bearing, spring and damping cavity;Wherein, the permanent magnet is fixed in the inside of the wire connecting mechanism, the permanent magnet is connected with one end of the bearing, the other end of the bearing is connected with one end of the spring, the other end of the spring is connected with the insulator, and the permanent magnet, the bearing and the spring are arranged in the damping cavity. The preparation of the insulator includes:

2. The spacer of claim 1, wherein Obtaining first epoxy resin, first curing agent, diluent, first nanometer silicon dioxide, first nanometer aluminum oxide, PTFE micro powder and first nanometer titanium dioxide; First epoxy resin, first curing agent, diluent, first nanometer silicon dioxide, first nanometer aluminum oxide, PTFE micro powder and first nanometer titanium dioxide are handled by stirring equipment and ultrasonic dispersion equipment, and mixed slurry is obtained; Mixed slurry is added to vacuum casting equipment to carry out defoaming treatment, and defoaming slurry is obtained, and defoaming slurry is filled into the mold preheated, and pouring mold is obtained; Pouring mold is added to curing oven to carry out curing reaction, and curing body is obtained; Curing body is polished and cleaned, and spraying material is sprayed to the curing body after polishing and cleaning, and spraying body is obtained; Spraying body is added to curing oven to carry out curing reaction, and insulator is obtained. The mixed slurry is obtained by high-speed stirring equipment and ultrasonic dispersion equipment to first epoxy resin, first curing agent, diluent, first nanometer silicon dioxide, first nanometer aluminum oxide, PTFE micro powder and first nanometer titanium dioxide, including:

3. The spacer of claim 2, wherein First epoxy resin and diluent are added to stirring equipment to stir, and first mixed body is obtained; ​ The first mixture and the first nanometer silicon dioxide are added to a stirring device for stirring to obtain a second mixture; The second mixture is subjected to ultrasonic treatment by an ultrasonic dispersion device to obtain a third mixture; wherein the dispersion uniformity of the first nanometer silicon dioxide in the third mixture is greater than that of the first nanometer silicon dioxide in the second mixture; The first nanometer aluminum oxide and the third mixture are added to a stirring device for stirring to obtain a fourth mixture; The fourth mixture is subjected to ultrasonic treatment by an ultrasonic dispersion device to obtain a fifth mixture; wherein the dispersion uniformity of the first nanometer aluminum oxide in the fifth mixture is greater than that of the first nanometer aluminum oxide in the fourth mixture; The first curing agent and the fifth mixture are added to a stirring device for stirring to obtain a sixth mixture; The PTFE micro powder and the sixth mixture are added to a stirring device for stirring to obtain a seventh mixture; The sixth mixture and the first nanometer titanium dioxide are added to a stirring device for stirring to obtain a mixed slurry.

4. The spacer of claim 3, wherein The first epoxy resin is obtained by: Mixing a hydrogenated bisphenol A type epoxy resin and a bisphenol A type epoxy resin at a preset first mass ratio to obtain a second epoxy resin without defoaming treatment; The second epoxy resin is added to a vacuum pouring device for defoaming treatment to obtain the first epoxy resin.

5. The spacer of claim 3, wherein The first curing agent is obtained by: Obtaining a second curing agent without drying treatment; The second curing agent is subjected to drying treatment to obtain the first curing agent.

6. The spacer of claim 3, wherein The first nanometer silicon dioxide is obtained by: Obtaining a second nanometer silicon dioxide without surface modification; Mixing the second nanometer silicon dioxide and a first silane coupling agent in ethanol at a preset second mass ratio, adding them to a stirring device for stirring, and performing centrifugal separation and drying treatment after the stirring is completed to obtain the first nanometer silicon dioxide after surface modification.

7. The spacer of claim 3, wherein The first nanometer aluminum oxide is obtained by: Obtaining a second nanometer aluminum oxide without surface modification; Mixing the second nanometer aluminum oxide and a second silane coupling agent in ethanol at a preset third mass ratio, adding them to a stirring device for stirring, and performing centrifugal separation and drying treatment after the stirring is completed to obtain the first nanometer aluminum oxide after surface modification.

8. The spacer of claim 3, wherein The first nanometer titanium dioxide is obtained by: Obtaining a second nanometer aluminum oxide without surface modification; Mixing the second nanometer aluminum oxide and a second silane coupling agent in ethanol at a preset fourth mass ratio, adding them to a stirring device for stirring, and performing centrifugal separation and drying treatment after the stirring is completed to obtain the first nanometer aluminum oxide after surface modification.

9. A spacer bar mounting system characterized by, It comprises: A UAV, a spacer rod, and a main control module; wherein the UAV is connected with the spacer rod, and the UAV is connected with the main control module; the spacer rod is applied to the spacer rod according to any one of claims 1 to 8; The main control module is used for controlling the UAV to move the spacer rod and controlling the spacer rod to be fixed with the wire; and the main control module executes the spacer rod installation method; The spacer rod installation method comprises: Obtaining installation parameters, coordinates, and environmental data of the wire to be installed; According to the coordinates of the conductor to be installed and the environmental data, a flight path of the unmanned aerial vehicle is generated, and the flight path is sent to the unmanned aerial vehicle, so that the unmanned aerial vehicle flies based on the flight path; When the unmanned aerial vehicle reaches the end point of the flight path, the clamping jaws of the spacer rod are controlled to be closed, and pressure data collected by the pressure sensor of the spacer rod is obtained when the clamping jaws of the spacer rod are closed; When the pressure data reaches a pressure threshold range, the installation of the spacer rod and the conductor to be installed is completed.

Images