Distribution linear insulator wire fixing device

Abstract

A power distribution linear insulator wire fixing device disclosed by the present invention comprises an insulator body, a top protrusion of the insulator body is provided with a pay-off groove, a wire is placed in the pay-off groove, a top plate is arranged above the insulator body, and two sides of the lower surface of the top plate are fixedly provided with elastic supporting mechanisms. A fixing mechanism is arranged at the top of the insulator body and located below the protrusion, and the lower ends of the two elastic supporting mechanisms are fixedly connected with the two sides of the fixing mechanism. According to the self-adaptive clamping mechanism, through electromagnetic driving and pressure sensing feedback, dynamic adjustment of clamping force is achieved, and damage or looseness of a wire is avoided; the elastic supporting mechanism can buffer external force impact and protect the insulator body; the fixing mechanism is combined with the limiting support ring to stabilize the mounting device and prevent displacement; the V-shaped wire clamping plate and the arc-shaped wire releasing groove are matched with various wires, so that the operation and maintenance cost is reduced; the ventilation grooves and the heat dissipation holes assist the wire in heat dissipation, and the performance is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of insulator conductor fixing technology, specifically a device for fixing straight insulator conductors in power distribution systems. Background Technology

[0002] In the overhead line system of the power distribution network, the straight insulator has the dual responsibility of supporting the insulation and isolation between the conductor and the tower, while the conductor fixing device, as the core component connecting the conductor and the straight insulator, has its performance directly related to the safe and stable operation of the line.

[0003] Currently widely used conductor fixing devices mostly employ fixed clamping structures or rigid designs that can only be adjusted manually by pre-tightening. Their adaptive adjustment capability of the clamping force is significantly limited, making it difficult to cope with dynamic stress changes in conductors under complex working conditions, such as the conductor fixing device for distribution straight insulators disclosed in announcement number CN113594995A. When the preset clamping force is too large, continuous mechanical stress will be generated at the contact point between the device and the conductor: for conductors with an outer insulation layer, this can easily cause the insulation to crack under pressure, leading to exposed conductors and the risk of leakage; for bare conductors without an insulation layer (such as aluminum stranded wire and steel-cored aluminum stranded wire), excessive local pressure may cause strand deformation and wire breakage, weakening the conductor's mechanical strength and causing long-term problems. After operation, it may even cause a line breakage accident; conversely, if the clamping force is insufficient, the fixing device will not have enough restraint on the conductor. Under the combined effect of natural environment and line factors, safety hazards are very likely to occur: In strong winds, the conductor will swing violently with the airflow. Insufficient clamping force will cause the conductor to slide back and forth in the fixing device, which will aggravate the wear of the contact surface between the conductor and the device; the thermal expansion and contraction of the conductor caused by the temperature difference between day and night will cause the conductor length to change periodically. If the clamping force cannot be matched synchronously, it may cause the conductor to loosen; and the slight vibration caused by the current passing through the line during operation will also cause the fixing structure to gradually loosen over a long period of time, which may eventually cause the conductor to fall off the insulator, causing serious faults such as line interruption and equipment damage.

[0004] In addition, existing wire fixing devices have poor compatibility with different specifications of wires. The same device is often difficult to be compatible with wires of multiple cross-sectional sizes. When replacing wires, the fixing device must be replaced at the same time, which increases the operation and maintenance costs and workload.

[0005] Therefore, a device for fixing the conductor of a straight insulator in power distribution is proposed. Summary of the Invention

[0006] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a power distribution straight insulator conductor fixing device to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution.

[0008] This invention provides a conductor fixing device for a straight insulator in a power distribution system, comprising an insulator body, a wire-laying groove formed at the top protrusion of the insulator body, and a conductor placed inside the wire-laying groove; a top plate above the insulator body, elastic support mechanisms fixedly mounted on both sides of the lower surface of the top plate; a fixing mechanism located at the top of the insulator body and below the protrusion, with the lower ends of the two elastic support mechanisms fixedly connected to the sides of the fixing mechanism; two downwardly extending adaptive clamping mechanisms symmetrically fixedly mounted on the surface of the top plate, with the clamping ends of the two adaptive clamping mechanisms contacting the conductor; and a control box fixedly mounted on the lower surface of the top plate, with the adaptive clamping mechanisms electrically connected to a controller inside the control box.

[0009] Preferably, the elastic support mechanism includes a first support rod fixedly disposed on the lower surface of the top plate, a second support rod provided at the lower end of the first support rod, a slot provided at the upper end of the second support rod, a slider provided inside the slot, a first spring fixedly disposed between the bottom of the slider and the bottom of the slot, and the lower end of the first support rod fixedly connected to the top of the slider.

[0010] Preferably, the fixing mechanism includes two symmetrically arranged arc-shaped fixing plates, which are wrapped around the top of the insulator body. Fixing rings are fixed on both sides of the two arc-shaped fixing plates, and fixing bolts and nuts that cooperate with each other are provided between adjacent fixing rings. Both sides of the two arc-shaped fixing plates are fixedly connected to the insulator body through the cooperation of the fixing bolts and nuts. The two second support rods are both L-shaped rods, and the lower ends of the two second support rods are fixedly connected to the side walls of the two arc-shaped fixing plates respectively.

[0011] Preferably, a limiting ring is fixedly provided on the top of the insulator body, and both of the arc-shaped fixing plates are located above the limiting ring.

[0012] Preferably, the adaptive clamping mechanism includes a fixed sleeve fixedly mounted on the top plate, a movable rod slidably mounted on the lower end of the fixed sleeve, an electromagnetic block fixedly mounted on the inner wall of the upper end of the fixed sleeve, a permanent magnet fixedly mounted on one end of the movable rod inside the fixed sleeve, a second spring fixedly mounted between the permanent magnet and the electromagnetic block, a pressure sensor fixedly mounted on one end of the movable rod outside the fixed sleeve, and an inverted clamping plate fixedly mounted on the bottom of the pressure sensor.

[0013] Preferably, multiple evenly distributed first heat dissipation holes are provided on both sides of the clamping plate to ensure air circulation at the contact point between the clamping plate and the wire, thereby improving the heat dissipation effect.

[0014] Preferably, the clamping plate is a V-shaped plate and the wire-laying groove is an arc-shaped groove. The cooperation between the clamping plate and the wire-laying groove clamps the wire tightly, which can accommodate wires of different diameters and make them fit tightly with wires of different specifications. This improves the adaptability of the device to various wires and reduces the need to replace the fixing device due to changes in wire specifications.

[0015] Preferably, a ventilation slot is provided on the top side wall of the insulator body and below the wire-laying slot, and a plurality of evenly distributed second heat dissipation holes are provided at the bottom of the wire-laying slot, and the plurality of second heat dissipation holes are all connected to the ventilation slot. The connection between the ventilation slot and the second heat dissipation holes can promote air circulation in the wire-laying slot, while the first heat dissipation holes help dissipate heat at the contact point between the wire clamp and the wire, preventing the wire from being affected by heat accumulation and thus ensuring the safe operation of the wire.

[0016] Preferably, the top of the top plate is fixed with a plurality of evenly distributed support columns, and the upper ends of the plurality of support columns are fixed with the same protective eaves. The protective eaves adopt a conical structure, which can effectively block foreign objects such as leaves, dead branches, and gravel from falling directly onto the top plate, reducing the impact and accumulation of foreign objects on the device. Its streamlined design can also reduce birds from staying and nesting, reducing the risk of short circuits caused by bird activity.

[0017] Preferably, the upper end of the first support rod is fixedly provided with an installation screw, and the installation screw passes through the top plate and is threaded with an installation nut, which facilitates the installation and disassembly between the top plate and the elastic support mechanism. This detachable structure makes the device more convenient for maintenance, repair or component replacement.

[0018] Compared with the prior art, the present invention has the following beneficial effects: Through the adaptive clamping mechanism, the internal electromagnetic block and permanent magnet block form a magnetic drive, which can drive the moving rod and clamping plate to move flexibly and realize the clamping action of the wire. At the same time, the pressure sensor can sense the pressure between the clamping plate and the wire in real time and transmit the signal to the controller in the control box. The controller dynamically adjusts the current of the electromagnetic block according to the pressure, thereby changing the magnitude of the magnetic force and keeping the clamping force within a reasonable range. This design effectively solves the problem of the non-adjustable clamping force of traditional fixing devices. It avoids the damage to the wire insulation layer or the deformation of the wire core caused by excessive clamping force, and also prevents the wire from loosening or slipping due to wind, vibration or thermal expansion and contraction caused by insufficient clamping force, which significantly improves the reliability of wire fixing. The elastic support mechanism, consisting of a first support rod, a second support rod, a slider, and a first spring, forms an elastic telescopic structure. When the top plate is impacted by an external force, the first support rod drives the slider to slide within the slot of the second support rod and compress the first spring. The elastic deformation of the spring absorbs the impact energy, buffering the impact force. This design effectively weakens the transmission of external force to the insulator body, preventing cracks and damage caused by rigid impacts, thus providing excellent protection for the insulator body and extending its service life. The fixing mechanism allows two arc-shaped fixing plates to tightly wrap around the top protrusion of the insulator body. Combined with the fixing rings, bolts, and nuts on both sides, the device is firmly fixed to the insulator body. Simultaneously, the limiting rings provide support and positioning for the arc-shaped fixing plates, preventing them from sliding up and down during installation or use. This fixing method ensures the stability of the connection between the device and the insulator body, preventing loosening of the device from affecting the conductor fixing effect and providing a fundamental guarantee for the stable operation of the entire device. With its protective eaves and support columns, the conical protective eaves effectively prevent leaves, branches, pebbles, and other debris from falling directly onto the top plate, reducing the impact and accumulation of these objects on the device. Its streamlined design also reduces bird perching and nesting, lowering the risk of short circuits caused by bird activity. Furthermore, the conical structure helps guide rainwater to slide off quickly, preventing it from lingering on the device surface and enhancing its environmental resistance, thus reducing the impact of rainwater erosion on components. The V-shaped wire clamping plate, combined with the arc-shaped wire trough, accommodates wires of different diameters, allowing for a tight fit with wires of varying specifications. This improves the device's adaptability to various wire types, reducing the need to replace fixing devices due to changes in wire specifications, lowering equipment costs and workload during maintenance, and enhancing the device's versatility and practicality. The ventilation slots and second heat dissipation holes, along with the first heat dissipation hole on the wire clamping plate, form a good ventilation and heat dissipation channel. The ventilation slots are connected to the second heat dissipation hole, which promotes air circulation in the wire laying slot. The first heat dissipation hole helps dissipate heat from the contact area between the wire clamping plate and the wire, preventing the wire from accumulating heat and affecting its conductivity and mechanical strength, thus ensuring the safe operation of the wire.The installation screws and nuts facilitate the installation and disassembly of the top plate and the elastic support mechanism. This detachable structure makes the device more convenient for maintenance, repair or component replacement, reducing the difficulty and time cost of high-altitude operations and improving operation and maintenance efficiency. Attached Figure Description

[0019] Figure 1 This is a perspective view of the invention after the cover plate is in place; Figure 2 This is a perspective view of the top of the insulator body of the present invention; Figure 3 This is a perspective view showing the connection between the top plate, elastic support mechanism, and fixing mechanism of the present invention and the insulator body. Figure 4 This is a perspective view of the top plate, elastic support mechanism, and fixing mechanism of the present invention; Figure 5 This is a perspective view of the elastic support mechanism of the present invention; Figure 6 This is a perspective view of the adaptive clamping mechanism of the present invention.

[0020] In the diagram: 1. Insulator body; 2. Cable tray; 3. Conductor; 4. Top plate; 5. Elastic support mechanism; 51. First support rod; 52. Second support rod; 53. Slot; 54. Slider; 55. First spring; 6. Fixing mechanism; 61. Arc-shaped fixing plate; 62. Fixing ring; 63. Fixing bolt; 64. Fixing nut; 7. Adaptive clamping mechanism; 71. Fixing sleeve; 72. Moving rod; 73. Electromagnetic block; 74. Permanent magnet; 75. Pressure sensor; 76. Cable clamping plate; 77. First heat dissipation hole; 8. Control box; 9. Limiting ring; 10. Ventilation slot; 11. Second heat dissipation hole; 12. Support column; 13. Protective eaves; 14. Mounting screw; 15. Mounting nut. Detailed Implementation

[0021] A device for fixing straight insulator conductors in power distribution systems, such as Figure 1-6As shown, the device includes an insulator body 1. A wire-laying groove 2 is formed on the top protrusion of the insulator body 1, and a wire 3 is placed inside the wire-laying groove 2. A top plate 4 is provided above the insulator body 1. Elastic support mechanisms 5 are fixedly provided on both sides of the lower surface of the top plate 4. The elastic support mechanism 5 includes a first support rod 51 fixedly disposed on the lower surface of the top plate 4. An installation screw 14 is fixedly provided at the upper end of the first support rod 51, and the installation screw 14 passes through the top plate 4 and is threaded with an installation nut 15, facilitating the installation and disassembly of the top plate 4 and the elastic support mechanism 5. This makes maintenance, repair, or component replacement of the device more convenient and improves operation and maintenance efficiency. A second support rod is provided at the lower end of the first support rod 51. The upper end of the support rod 52 has a slot 53, and a slider 54 is provided inside the slot 53. A first spring 55 is fixed between the bottom of the slider 54 and the bottom of the slot 53. The lower end of the first support rod 51 is fixedly connected to the top of the slider 54. The impact force will cause the top plate 4 to move the first support rod 51 connected to the lower surface downward in sync. At this time, the slider 54 at the lower end of the first support rod 51 will slide inward along the slot 53 at the upper end of the second support rod 52. During the process, the first spring 55 inside the slot 53 is compressed, so that the first support rod 51 and the second support rod 52 form an elastic fit similar to a "telescopic joint". The deformation of the first spring 55 will absorb most of the impact energy.

[0022] A fixing mechanism 6 is provided on the top of the insulator body 1, below the protrusion. The fixing mechanism 6 includes two symmetrically arranged arc-shaped fixing plates 61, which wrap around the top of the insulator body 1. Fixing rings 62 are fixed to both sides of each arc-shaped fixing plate 61. A fixing bolt 63 and a fixing nut 64 are provided between adjacent fixing rings 62. Both sides of the arc-shaped fixing plates 61 are fixedly connected to the insulator body 1 through the cooperation of the fixing bolts 63 and the fixing nuts 64. Two second support rods 52 are both L-shaped rods, and the lower ends of the two second support rods 52 are fixedly connected to the side walls of the two arc-shaped fixing plates 61 respectively. A limiting ring 9 is fixedly provided on the top of the insulator body 1, and the two arc-shaped fixing plates 61 are positioned... Above the limiting ring 9, two arc-shaped fixing plates 61 are symmetrically wrapped around the protruding position on the top of the insulator body 1. The inner arc curvature of the arc-shaped fixing plate 61 is perfectly matched with the outer surface of the protrusion to ensure a tight fit. At the same time, the bottom of each of the two arc-shaped fixing plates 61 is provided with an outwardly extending limiting ring 9. During installation, the two arc-shaped fixing plates 61 need to be lifted by the limiting ring 9 to form a preliminary positioning and prevent the arc-shaped fixing plates 61 from sliding up and down during the tightening process. After the preliminary positioning is completed, the construction personnel pass the fixing bolts 63 through the fixing rings 62 corresponding to the sides of the two arc-shaped fixing plates 61 in sequence, and tighten the fixing nuts 64 to gradually tighten the two arc-shaped fixing plates 61 until they are completely fitted with the top of the insulator body 1, so as to achieve a stable connection between the two.

[0023] The lower ends of the two elastic support mechanisms 5 are fixedly connected to both sides of the fixing mechanism 6. Two downwardly extending adaptive clamping mechanisms 7 are symmetrically fixed on the surface of the top plate 4, and the clamping ends of the two adaptive clamping mechanisms 7 are in contact with the wire 3. The adaptive clamping mechanism 7 includes a fixed sleeve 71 fixedly mounted on the top plate 4. A moving rod 72 is slidably mounted on the lower end of the fixed sleeve 71. A solenoid block 73 is fixedly mounted on the inner wall of the upper end of the fixed sleeve 71. A permanent magnet block 74 is fixedly mounted on one end of the moving rod 72 inside the fixed sleeve 71. A second spring is fixedly mounted between the permanent magnet block 74 and the solenoid block 73. A pressure sensor 75 is fixedly mounted on one end of the moving rod 72 outside the fixed sleeve 71. The pressure sensor 75 is a protective sensor, which can extend the service life of the pressure sensor 75 when exposed. An inverted clamping plate 76 is fixedly mounted on the bottom of the pressure sensor 75. When current is connected to the solenoid block 73, a stable magnetic field is generated inside it, which forms like magnetic poles with the corresponding permanent magnet block 74 and repels each other. The repulsive force drives the permanent magnet block 74 and the connected moving rod 72 to move downward smoothly against the elastic force of the second spring, thereby driving the clamping plate 76 at the lower end of the moving rod 72 to move downward synchronously, and finally cooperate with the wire release groove 2 to tightly clamp the wire 3 in the closed space formed by the two. Multiple evenly distributed first heat dissipation holes 77 are opened on both sides of the clamping plate 76, which can ensure the heat dissipation of the part in contact with the wire 3. The clamping plate 76 adopts a V-shaped plate, and the wire release groove 2 adopts an arc groove. The cooperation between the clamping plate 76 and the wire release groove 2 clamps the wire 3. A ventilation groove 10 is opened on the top side wall of the insulator body 1 and below the wire release groove 2. Multiple evenly distributed second heat dissipation holes 11 are opened at the bottom of the wire release groove 2, and the multiple second heat dissipation holes 11 are all connected to the ventilation groove 10. The ventilation groove 10 is connected to the second heat dissipation holes 11, which can promote air circulation in the wire release groove 2, prevent the wire 3 from being affected by heat accumulation, and ensure the safe operation of the wire 3.

[0024] Multiple evenly distributed support columns 12 are fixedly installed on the top of the top plate 4. The upper ends of the multiple support columns 12 are fixedly equipped with the same protective eaves 13, and the protective eaves 13 adopts a conical structure. The conical protective eaves 13 can effectively block foreign objects such as leaves, dead branches, and gravel from falling directly onto the top plate 4, reducing the impact and accumulation of foreign objects on the device. Its streamlined design can also reduce birds from staying and nesting, reducing the risk of short circuits caused by bird activity. In addition, the conical structure helps to guide rainwater to slide down quickly, avoiding rainwater from staying on the surface of the device for a long time, enhancing the environmental resistance of the device, and reducing the impact of rainwater erosion on the components.

[0025] A control box 8 is fixedly installed on the lower surface of the top plate 4, and the adaptive clamping mechanism 7 is electrically connected to the controller inside the control box 8.

[0026] In summary: First, the construction personnel install the insulator body 1 on the crossarm of the straight-line tower of the power distribution line. The installation structure at the bottom of the insulator aligns with the pre-reserved position on the crossarm, ensuring that the insulator body 1 is perpendicular to the plane of the crossarm and under stable force, providing a solid support foundation for the subsequent fixing of the conductor 3. After the insulator body 1 is installed, the construction personnel place the distribution conductor 3 to be fixed into the pre-set wire slot 2 at the top of the insulator body 1, adjusting the position of the conductor 3 to ensure it is centered and fits snugly against the slot, avoiding uneven force during subsequent fixing due to conductor 3 misalignment. Then, two arc-shaped fixing plates 61 are taken and symmetrically wrapped around the protruding positions at the top of the insulator body 1. The inner arc curvature of the arc-shaped fixing plates 61 perfectly matches the outer surface of the protrusion, ensuring a tight fit. Simultaneously, both arc-shaped fixing plates 61 have outwardly extending limiting rings 9 at their bottoms, requiring adjustment during installation. The limiting ring 9 lifts the two arc-shaped fixing plates 61 to form a preliminary position, preventing the arc-shaped fixing plates 61 from sliding up and down during the tightening process. After the preliminary positioning is completed, the construction personnel pass the fixing bolts 63 through the fixing rings 62 corresponding to the sides of the two arc-shaped fixing plates 61 in sequence. By tightening the fixing nuts 64, the two arc-shaped fixing plates 61 are gradually tightened until they are completely attached to the top of the insulator body 1, realizing a stable connection between the two. Next, the construction personnel place the top plate 4 directly above the insulator body 1. The mounting holes at both ends of the top plate 4 need to be accurately aligned with the two mounting screws 14 welded to the upper end of the first support rod 51. After slowly inserting the mounting screws 14 into the rod wall, the mounting nuts 15 are finally tightened to firmly connect the top plate 4 with the elastic support mechanism 5 below. At this time, the top plate 4 is in a horizontal state, providing an installation reference for the adaptive clamping mechanism 7. During installation, special attention should be paid to the two adaptive clamping mechanisms 7 connected below the top plate 4: When adjusting the height of the top plate 4, ensure that the clamping plates 76 at the lower end of the two adaptive clamping mechanisms 7 are in contact with the surface of the wire 3 in the wire release groove 2. The clamping plates 76 adopt a V-shaped structure and can be used for wires 3 with different outer diameters. After the top plate 4 is fixed in place, the clamping plates 76 and the wire release groove 2 form an upper and lower enclosure, initially constraining the vertical displacement of the wire 3. Finally, connect the power supply of the fixing device. After the power to the fixing device is turned on, its internal circuit system is activated. The solenoid block 73 and the pressure sensor 75 are simultaneously energized and enter the working state. When current is applied to the solenoid block 73, a stable magnetic field is generated inside it, which forms a repulsive force with the corresponding permanent magnet block 74. This repulsive force drives the permanent magnet block 74 and the connected moving rod 72 to move downward smoothly against the elastic force of the second spring. This, in turn, drives the wire clamping plate 76 at the lower end of the moving rod 72 to move downward synchronously. Finally, it cooperates with the wire release groove 2 to tightly clamp the wire 3 in the closed space formed by the two. During the clamping process, the pressure sensor 75 captures minute pressure changes in real time (with an accuracy of up to 0.1N) and transmits the continuously collected pressure data to the controller in the control box 8 in real time in the form of an electrical signal. The controller uses a preset pressure threshold algorithm (such as setting the safe clamping force range to 10-30N) to control the wire 3. The specific values ​​are determined according to the specifications of conductor 3. The data is analyzed as follows: If the detected pressure value exceeds the upper limit (e.g., greater than 30N), it indicates that the clamping force is too large, which may cause damage to the insulation layer of conductor 3 or deformation of the conductor core. The controller immediately issues an instruction to reduce the current flowing into the solenoid block 73 by adjusting the circuit module, so as to weaken the electromagnetic repulsion. The elastic force of the second spring pushes the moving rod 72 to move upward, and the pressure of the clamping plate 76 decreases synchronously. If the pressure value is lower than the lower limit (e.g., less than 10N), it indicates that the clamping force is insufficient and there is a risk of conductor 3 loosening. The controller then increases the current of the solenoid block 73 to enhance the magnetic repulsion, forcing the moving rod 72 to move further downward, and the pressure of the clamping plate 76 increases. Through this dynamic closed-loop adjustment mechanism, the clamping force of the clamping plate 76 on conductor 3 is always stable within the preset safety range, which can avoid damage to conductor 3 caused by excessive tightness and prevent slippage caused by excessive looseness. When conductor 3 expands and contracts due to changes in ambient temperature (e.g., conductor 3 elongates in high temperatures in summer and contracts in low temperatures in winter), or when it vibrates slightly due to wind, the pressure between conductor 3 and clamping plate 76 will fluctuate slightly. Pressure sensor 75 can quickly capture these changes and feed them back to the controller. The controller adjusts the current and drives clamping plate 76 to fine-tune its position in real time. For example, when conductor 3 elongates due to heat, its reaction force on clamping plate 76 increases. The controller then reduces the current to reduce the clamping force and avoids hard squeezing. When conductor 3 contracts due to cold, creating gaps, the controller increases the current to increase the clamping force and fill the gaps. This achieves adaptive compensation for the dynamic changes of conductor 3 and ensures the stability and safety of conductor 3 during long-term operation. During the long-term use of the device, the support column 12 and the protective eaves 13 on the upper surface of the top plate 4 play a key protective role. The protective eaves 13 adopt a tapered structure that is narrow at the top and wide at the bottom. It can not only effectively guide rainwater to slide down quickly through the smooth and inclined surface, but also physically prevent foreign objects such as leaves, dead branches, and gravel from falling directly onto the top plate 4. Even if foreign objects fall accidentally, the tapered slope will use its angle characteristics to make the objects slide off the surface, greatly reducing the risk of damage caused by foreign objects being stuck or impacted. At the same time, this streamlined structure creates a natural "unfriendly" habitat for birds, which can reduce problems such as bird stay, nesting and droppings accumulation, and foreign objects entanglement, indirectly reducing the risk of short circuits in the circuit. If a large object (such as hail or falling debris) impacts the top of the protective eaves 13, the impact force will be transmitted to the top plate 4 through the support column 12. This will cause the top plate 4 to move the first support rod 51 connected to its lower surface downwards. At this time, the slider 54 at the lower end of the first support rod 51 will slide inwards along the slot 53 at the upper end of the second support rod 52. During this process, the first spring 55 inside the slot 53 is compressed, causing the first support rod 51 and the second support rod 52 to form an elastic fit similar to a "telescopic joint". The deformation of the first spring 55 will absorb most of the impact energy, converting the instantaneous impact force into slowly released elastic potential energy. The current buffer protection for the top plate 4 and the protective eaves 13, this elastic expansion design can significantly reduce the transmission of external force to the insulator body 1 below, and avoid problems such as cracking of the insulator body 1 and damage to the composite insulator skirt caused by rigid impact. Especially in complex environments with wind and falling objects, it provides a dynamic protective barrier for the insulator body 1, further ensuring the operational safety of the entire fixing device and line. During this process, the impact force may increase the clamping force of the clamping plate 76 on the conductor 3. At this time, the adaptively adjustable clamping plate 76 can also adjust the clamping force to avoid excessive squeezing force on the conductor 3.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A device for fixing a straight insulator conductor in a power distribution system, comprising an insulator body (1), characterized in that: The insulator body (1) has a wire-laying groove (2) on its top protrusion, and a wire (3) is placed inside the wire-laying groove (2). The insulator body (1) has a top plate (4) on its top. Both sides of the lower surface of the top plate (4) are fixed with elastic support mechanisms (5). The top of the insulator body (1) and below the protrusion is a fixing mechanism (6). The lower ends of the two elastic support mechanisms (5) are fixedly connected to the two sides of the fixing mechanism (6). The surface of the top plate (4) is symmetrically fixed with two downwardly extending adaptive clamping mechanisms (7), and the clamping ends of the two adaptive clamping mechanisms (7) are in contact with the wire (3). The lower surface of the top plate (4) is fixed with a control box (8). The adaptive clamping mechanism (7) is electrically connected to the controller inside the control box (8).

2. The power distribution straight insulator conductor fixing device according to claim 1, characterized in that: The elastic support mechanism (5) includes a first support rod (51) fixedly disposed on the lower surface of the top plate (4), a second support rod (52) is provided at the lower end of the first support rod (51), a slot (53) is provided at the upper end of the second support rod (52), a slider (54) is provided inside the slot (53), a first spring (55) is fixedly disposed between the bottom of the slider (54) and the bottom of the slot (53), and the lower end of the first support rod (51) is fixedly connected to the top of the slider (54).

3. The power distribution straight insulator conductor fixing device according to claim 2, characterized in that: The fixing mechanism (6) includes two symmetrically arranged arc-shaped fixing plates (61). The two arc-shaped fixing plates (61) are wrapped around the top of the insulator body (1). Fixing rings (62) are fixed on both sides of the two arc-shaped fixing plates (61). Fixing bolts (63) and fixing nuts (64) are provided between the two adjacent fixing rings (62). The two sides of the two arc-shaped fixing plates (61) are fixedly connected to the insulator body (1) through the cooperation of the fixing bolts (63) and fixing nuts (64). The two second support rods (52) are both L-shaped rods, and the lower ends of the two second support rods (52) are fixedly connected to the side walls of the two arc-shaped fixing plates (61) respectively.

4. The power distribution straight insulator conductor fixing device according to claim 3, characterized in that: The top of the insulator body (1) is fixedly provided with a limiting ring (9), and the two arc-shaped fixing plates (61) are both located above the limiting ring (9).

5. The power distribution straight insulator conductor fixing device according to claim 1, characterized in that: The adaptive clamping mechanism (7) includes a fixed sleeve (71) fixedly mounted on the top plate (4). A moving rod (72) is slidably mounted on the lower end of the fixed sleeve (71). An electromagnetic block (73) is fixedly mounted on the inner wall of the upper end of the fixed sleeve (71). A permanent magnet block (74) is fixedly mounted on one end of the moving rod (72) located inside the fixed sleeve (71). A second spring is fixedly mounted between the permanent magnet block (74) and the electromagnetic block (73). A pressure sensor (75) is fixedly mounted on one end of the moving rod (72) located outside the fixed sleeve (71). An inverted clamping plate (76) is fixedly mounted on the bottom of the pressure sensor (75).

6. The power distribution straight insulator conductor fixing device according to claim 5, characterized in that: The clamping plate (76) has multiple evenly distributed first heat dissipation holes (77) on both sides.

7. The power distribution straight insulator conductor fixing device according to claim 5, characterized in that: The clamping plate (76) is a V-shaped plate, and the wire-laying groove (2) is an arc-shaped groove. The clamping plate (76) and the wire-laying groove (2) work together to clamp the wire (3).

8. The power distribution straight insulator conductor fixing device according to claim 1, characterized in that: A ventilation slot (10) is provided on the top side wall of the insulator body (1) and below the wire-laying slot (2). A plurality of evenly distributed second heat dissipation holes (11) are provided at the bottom of the wire-laying slot (2), and the plurality of second heat dissipation holes (11) are all connected to the ventilation slot (10).

9. The power distribution straight insulator conductor fixing device according to claim 1, characterized in that: The top of the top plate (4) is fixed with a plurality of evenly distributed support columns (12), and the upper ends of the plurality of support columns (12) are fixed with the same protective eaves (13), and the protective eaves (13) adopts a conical structure.

10. The power distribution straight insulator conductor fixing device according to claim 2, characterized in that: The upper end of the first support rod (51) is fixedly provided with a mounting screw (14), and the mounting screw (14) passes through the top plate (4) and is threaded with a mounting nut (15).

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