Power transmission line lapping device and method for power grid infrastructure construction

Abstract

The invention discloses a power transmission line lapping device and method for power grid infrastructure construction, and relates to the technical field of power transmission cable suspension equipment. The power transmission line lapping device for power grid infrastructure construction comprises a hoop used for fixing a power transmission cable body, a first supporting rod fixed to the hoop and used for supporting the power transmission cable body, a supporting shaft movably arranged in the first supporting rod in a penetrating mode and a second supporting rod installed on the supporting shaft. An adjusting assembly for changing the tensioning degree of the power transmission cable body is arranged on the second supporting rod and comprises a first air cylinder fixed to the second supporting rod and used for changing the tensioning degree of the power transmission cable body, and a second air cylinder fixed to the second supporting rod and used for adjusting the tensioning degree of the power transmission cable body. Therefore, the power transmission tower provided with the adjusting assembly and the power transmission cable body between the adjacent power transmission towers on the left side and the right side can be always kept in a tensioned state, loosening or over-tightening cannot occur, the power transmission cable body does not need to be bent repeatedly, the probability of metal fatigue of the power transmission cable body is reduced, and the service life is prolonged while the power transmission efficiency is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of transmission cable suspension equipment, and in particular to a transmission line laying device and method for power grid infrastructure. Background Art

[0002] A power grid infrastructure project refers to a power grid construction project that follows certain project rules and procedures and a certain amount of investment, with the main goal of completing new construction, expansion, and other expansions of power transmission and distribution capacity. As the backbone grid structure of the power grid, overhead transmission lines have higher requirements in power grid infrastructure. For overhead transmission lines in power grid infrastructure, it is usually necessary to use steel wires to fix the transmission cables hanging on porcelain bottles to the transmission towers. Transmission cables are usually high and most of them are located in the suburbs. They are greatly affected by the environment and are prone to expansion and deformation. Especially in areas with large temperature differences between the four seasons, the expansion and deformation phenomenon is more obvious. Usually, after the transmission cable is installed, the tension needs to be adjusted with the help of special tools such as tension regulators, and it is necessary to go to the location of the equipment, which is very inconvenient to operate. In addition, the tension is adjusted by bending the transmission cable, which is easy to increase the fatigue of the transmission cable itself after multiple foldings, shortening its service life.

[0003] For example, the transmission line laying device for power grid infrastructure disclosed in the publication number CN113937702B uses a laying roller to bend the transmission cable in a small range. After multiple tensioning and loosening adjustments, the bending part of the transmission cable is prone to metal fatigue, which shortens the service life;

[0004] Therefore, a transmission line connection device and method for power grid infrastructure are proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a transmission line laying device and method for power grid infrastructure, which solves the problem that special tools such as tension regulators are needed and the device needs to be located to adjust the tension, which is inconvenient to operate. In addition, the tension is adjusted by bending the transmission cable, which easily aggravates the fatigue of the transmission cable itself after multiple foldings, thereby shortening its service life.

[0006] To achieve the above purpose, the present invention is implemented through the following technical solutions: a transmission line connection device for power grid infrastructure, including a clamp for fixing a transmission cable body, a support rod 1 fixed on the clamp to support the transmission cable body, a support shaft movably inserted in the support rod 1, and a support rod 2 installed on the support shaft, the support rod 2 is provided with an adjustment component for changing the tension of the transmission cable body, an ice-breaking component for assisting the operation of the adjustment component, and a control component for controlling the operation timing of the adjustment component, and the adjustment component includes:

[0007] Cylinder 1 is fixed on support rod 2 and is used to change the tension of the power transmission cable body. A steel wire rope is connected to the output end of the cylinder 1. A fixing plate is fixed to one end of the steel wire rope. The bottom of the fixing plate is fixed to the top of support rod 1. The fixing plate is fixed to the support shaft through a baffle.

[0008] The ice breaking assembly comprises a guide block fixed on the side wall of the baffle for guiding.

[0009] Preferably, an expansion plate is fixed on the side wall of the baffle, a pressure plate is abutted on the side wall of the expansion plate, a sliding rod is fixed on the side wall of the pressure plate, a piston is fixed to one end of the sliding rod, a sealed cabin is abutted on the outside of the piston, one end of the sealed cabin is fixed on a support rod, and a seal is arranged between the sealed cabin and the piston, so that the piston can slide in the sealed cabin and drive the sliding rod to move synchronously, so that the sliding rod can drive the pressure plate to move toward the side where the expansion plate is located or move away from the side where the expansion plate is located.

[0010] Preferably, a cylinder 2 for driving a piston to move is fixed at the bottom of the support rod 2, and the piston is used to drive the sliding rod to move so that the pressure plate and the extension plate are pressed together or loosened, and the baffle, extension plate and pressure plate cooperate with each other to fix the position of the support rod 1.

[0011] Preferably, the enclosed cabin is connected with an air supply pipe, one end of the air supply pipe is connected with an air collecting box, the side wall of the air collecting box is fixed on the second support rod, and a movable plug fixed on the output end of the second cylinder is slidably installed in the air collecting box.

[0012] By controlling the contact or separation between the pressure plate driven by cylinder 2 and the expansion plate and the baffle, it is ensured that the support rod 1 can be maintained in the adjusted position, and the position and angle of the support rod can reach the expected set value, thereby accurately controlling the tension of the transmission cable, ensuring that the transmission cable is always in the best tension state, and improving the stability of the transmission line.

[0013] Preferably, a spring is fixed in the guide block, a sliding plate is fixed to one end of the spring to provide elastic force to the sliding plate, an ice-breaking cone is fixed to the side wall of the sliding plate, a sliding block is abutted on the side wall of the ice-breaking cone, and a pressure plate is fixed to one end of the sliding block, so that when the ice-breaking cone is not in contact with the sliding block, the spring provides elastic force to the ice-breaking cone toward the side where the expansion plate is located, so that the ice-breaking cone passes through the hole opened in the expansion plate and hits the surface of the pressure plate close to the expansion plate, thereby breaking the thin ice condensed on the surface of the pressure plate.

[0014] Preferably, the regulating component includes an adjusting rod fixed on the power transmission cable body, a tooth plate is fixed at one end of the adjusting rod, a tooth ring is meshed on the tooth plate, a movable shaft is fixed at one end of the tooth ring, and the movable shaft is fixed to the side wall of support rod 1 through a mounting plate, so that the tooth plate can drive the tooth ring to drive the movable shaft to rotate.

[0015] Preferably, a magnetic ring is fixed on the side wall of the gear ring, and a magnet is magnetically attracted to the side wall of the magnetic ring. One end of the magnet is fixed to one end of the mounting plate to fix the position of the gear ring so that the magnet can be magnetically attracted to the magnetic ring to prevent the gear plate from being blown by strong wind alone and driving the gear ring to rotate.

[0016] Preferably, an extrusion plate is fixed to the end of the movable shaft away from the gear ring, a support block is slidably penetrated through one end of the extrusion plate, one end of the support block is fixed to the side wall of support rod 1, and pressure strain gauges symmetrically arranged up and down are fixed in the support block, and the two pressure strain gauges are respectively located on the upper and lower sides of the extrusion plate.

[0017] The present invention also provides a method for using a transmission line connection device for power grid infrastructure, comprising the following steps:

[0018] S1. Install the transmission cable body, clamp, support rod 1, support shaft, support rod 2, adjustment assembly, ice-breaking assembly and control assembly on the transmission tower, wherein the adjustment assembly, ice-breaking assembly and control assembly are installed at intervals;

[0019] S2. Monitor and respond to the tension of the power transmission cable body through the regulating component, so that the regulating component can be activated when the tension of the power transmission cable body changes;

[0020] S3. When the tension of the power transmission cable body changes, the adjustment component changes the height of the clamp to adjust the tension of the power transmission cable body;

[0021] S4. The ice breaking component breaks the ice layer attached to the surfaces of the baffle, the expansion plate and the pressure plate in the regulating component in winter.

[0022] Preferably, the height of the clamp ranges from 0 to 50 cm.

[0023] The present invention provides a transmission line connection device and method for power grid infrastructure. Compared with the prior art, it has the following beneficial effects:

[0024] (1) The transmission line wiring device and method for power grid infrastructure, when constructing or renovating a transmission line, constructs a transmission tower to support the transmission cable, and fixes the transmission cable with a clamp to prevent the transmission cables from being blown close to each other in the air due to strong winds, thereby increasing power loss, reducing transmission efficiency, or causing air breakdown, resulting in arc discharge, and causing short circuit or local overheating.

[0025] (2) The transmission line wiring device and method for power grid infrastructure construction, when the size of the transmission cable changes due to mechanical stress and environmental factors, the position of the clamp is controlled to change, so that the clamp drives the transmission cable body to move fromFigure 1 The state shown moves up or down, so that the installation height of the transmission cable body at the transmission tower where the adjusting component is installed is changed, so that the transmission cable body between the transmission tower where the adjusting component is installed and the adjacent transmission towers on the left and right sides can always remain in a tensioned state without being loose or too tight, thereby avoiding the sag of the transmission cable body and the safety distance to the ground being affected; the thermal expansion and contraction effects of the transmission cable body at different temperatures are compensated to ensure the stable performance of the transmission cable body under different environmental conditions, and that the distance of the transmission cable body to the ground meets safety standards, while extending the service life of the conductor, reducing the frequency of replacement and maintenance, and reducing operating costs. There is no need to repeatedly bend the transmission cable body, thereby reducing the probability of metal fatigue of the transmission cable body, ensuring transmission efficiency while extending service life.

[0026] (3) When the transmission line connection device and method for power grid infrastructure enters the adjustment mode due to the size change of the transmission cable due to mechanical stress and environmental factors, the contact or separation between the pressure plate driven by the second air cylinder and the expansion plate and the baffle is controlled to ensure that the support rod 1 can be maintained in the adjusted position, and the position and angle of the support rod reach the expected set value, thereby accurately controlling the tension of the transmission cable, ensuring that the transmission cable is always in the optimal tension state, and improving the stability of the transmission line.

[0027] (4) The transmission line wiring device and method for power grid infrastructure use a guide block, a spring, a sliding plate, an ice-breaking cone, and a slider. After the pressure plate is separated from the expansion plate and the baffle plate, and the cylinder is started to adjust the position of the support rod and the clamp, the ice-breaking cone can hit the surface of the pressure plate, so that the ice layer attached to the surface of the pressure plate at high altitude in winter can be effectively broken, thereby avoiding the pressure plate, the expansion plate, and the baffle plate The surface is frozen due to the low temperature in winter, resulting in a decrease in friction between the pressure plate and the expansion plate and the baffle.

[0028] (5) The transmission line connection device and method for power grid infrastructure, by setting an adjusting rod, a tooth plate, a tooth ring, a movable shaft, a mounting plate, a magnetic ring, a magnet, an extrusion plate, a support block, and a pressure strain gauge, drives and controls cylinder 1 and cylinder 2 to enter an increase or decrease mode according to the current state of the transmission cable body, can adjust the position of the support rod in real time, dynamically respond according to environmental changes, ensure that the transmission cable is always in the best tension state, improve the accuracy and efficiency of the operation, and provide a basis for realizing the overall intelligent management of the transmission line.

[0029] Other features and advantages of the present invention will be described in the following description, and part of them will become obvious from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 Another perspective view of the overall structure of the present invention;

[0032] Figure 3 It is a schematic diagram of the overall structure of the regulating assembly of the present invention;

[0033] Figure 4 It is a schematic diagram of the position of the cylinder 1 of the present invention;

[0034] Figure 5 It is a partial cross-sectional structural diagram of the support rod 2 of the present invention;

[0035] Figure 6 It is a schematic diagram of the combined state of the pressing plate of the present invention;

[0036] Figure 7 It is a schematic diagram of the disassembled state of the pressing plate of the present invention;

[0037] Figure 8 Another perspective view of the disassembled state of the pressing plate of the present invention;

[0038] Fig. 9 It is a schematic diagram of the decomposed state of the spring of the present invention;

[0039] Fig.10 It is a schematic diagram of the disassembled state of the tooth plate of the present invention;

[0040] Fig.11 It is a schematic diagram of the disassembled state of the gear ring of the present invention;

[0041] Fig.12 It is a cross-sectional structural diagram of the support block of the present invention.

[0042] In the figure: 1. Power transmission cable body; 11. Clamp; 12. Support rod 1; 13. Support shaft; 14. Support rod 2; 2. Cylinder 1; 21. Wire rope; 22. Guide plate; 23. Fixed plate; 24. Baffle; 25. Extension plate; 26. Pressure plate; 27. Sliding rod; 28. Piston; 29. ​​Sealed cabin; 210. Gas pipe; 211. Gas collecting box; 212. Cylinder 2; 3. Guide block; 31. Spring; 32. Sliding plate; 33. Ice breaker; 34. Sliding block; 4. Adjusting rod; 41. Tooth plate; 42. Tooth ring; 43. Movable shaft; 431. Mounting plate; 44. Magnetic ring; 45. Magnet; 46. Extrusion plate; 47. Support block; 471. Pressure strain gauge. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] See also Figures 1 to 12 , the present invention provides the following technical solutions:

[0045] Embodiment 1: A transmission line wiring device for power grid infrastructure, comprising a clamp 11 for fixing a transmission cable body 1, a support rod 12 fixedly mounted on the clamp 11 to support the transmission cable body 1, a support shaft 13 movably inserted into the support rod 12 and the support rod 2 14, the support shaft 13 and the support rod 1 12 are movably connected through a bearing, the support shaft 13 and the support rod 2 14 are fixedly connected, and an adjustment component for changing the tension of the transmission cable body 1 is arranged on the support rod 2 14, and the adjustment component comprises: a cylinder 1 2, a wire rope 21, a guide plate 22, a fixed Plate 23, baffle 24, the side wall of cylinder 1 2 is fixed on the support rod 2 14 to change the tensioning degree of the power transmission cable body 1, a steel wire rope 21 is fixedly connected to the output end of the cylinder 2, a guide plate 22 is slidably passed through the steel wire rope 21, one end of the guide plate 22 is fixedly installed on the support rod 2 14, one end of the steel wire rope 21 is fixedly installed with a fixed plate 23, the bottom of the fixed plate 23 is fixedly installed on the top of the support rod 12, a baffle 24 is fixedly installed at both ends of the fixed plate 23, and the side walls of the two baffles 24 are respectively fixedly installed on the two ends of the support shaft 13.

[0046] When in use, when constructing or renovating a transmission line, a transmission tower is constructed to support the transmission cable body 1, and the transmission cable body 1 is fixed by the clamp 11 to prevent the transmission cable body 1 from being blown in the air by strong winds so that multiple transmission cable bodies 1 are close to each other, resulting in increased power loss, reduced transmission efficiency, or air breakdown, resulting in arc discharge, and causing short circuit or local overheating. The support rod 1 12 provides support force to the clamp 11, the support rod 2 14 provides support force to the support shaft 13, and the support shaft 13 provides support force to the support rod 1 12. The support rod 2 14 is installed on the transmission tower, so that the transmission cable body 1 can be stably installed on the transmission tower, and the adjustment components are installed at intervals on multiple transmission towers;

[0047] When the size of the power transmission cable body 1 changes due to mechanical stress and environmental factors, the control center controls the cylinder 1 2 to start, and the cylinder 1 2 drives the steel wire rope 21 to move, and the support rod 2 14 provides support force to the guide plate 22, and the guide plate 22 guides and limits the steel wire rope 21, so that the steel wire rope 21 drives the fixed plate 23 to move, and the fixed plate 23 drives the baffle 24 to move, so that the baffle 24 drives the support shaft 13 to rotate, and the support shaft 13 drives the support rod 12 to rotate, so that the position of the clamp 11 is changed, so that the clamp 11 drives the power transmission cable body 1 from Figure 1 The state shown moves up or down, so that the installation height of the transmission cable body 1 at the transmission tower where the adjusting component is installed is changed, so that the transmission cable body 1 between the transmission tower where the adjusting component is installed and the adjacent transmission towers on the left and right sides can always remain in a tensioned state without being loose or too tight, thereby avoiding affecting the sag of the transmission cable body 1 and the safe distance to the ground.

[0048] Embodiment 2, the technical solution of this embodiment is different from that of embodiment 1 and includes: the regulating component also includes: an expansion plate 25, a pressure plate 26, a sliding rod 27, a piston 28, a sealed cabin 29, an air pipe 210, an air collecting box 211, and a cylinder 212. An expansion plate 25 is fixedly installed on the side walls of the two baffles 24, and a pressure plate 26 is respectively abutted on the side walls of the two expansion plates 25. A sliding rod 27 is fixedly installed on the side walls of the two pressure plates 26. A piston 28 is fixedly installed on one end of the two sliding rods 27. The outside of the two pistons 28 slides against a sealed cabin 29. One end of the two sealed cabins 29 is respectively fixedly installed on both sides of the support rod 12, and a seal is set between the sealed cabin 29 and the piston 28. A cylinder 212 for driving the piston 28 to move is fixedly installed at the bottom of the support rod 14. The piston 28 is used to drive the sliding rod 27 to move The pressure plate 26 is pressed against or loosened with the expansion plate 25. The baffle plate 24, the expansion plate 25 and the pressure plate 26 are provided with grooves, holes and protrusions corresponding to each other. If a groove is provided on the baffle plate 24, a protrusion matching the groove is provided at the corresponding position of the pressure plate 26. The baffle plate 24, the expansion plate 25 and the pressure plate 26 cooperate with each other to fix the position of the support rod 12. The two closed cabins 29 are connected to a gas pipe 210. One end of the two gas pipes 210 is connected to the same gas collecting box 211. The side wall of the gas collecting box 211 is fixedly installed on the support rod 14. A movable plug fixed on the output end of the cylinder 212 is slidably installed in the gas collecting box 211. The movable plug is driven by the cylinder 212 to move, so that the gas in the gas collecting box 211 is transported away through the gas pipe 210 or the gas is drawn back into the gas collecting box 211 through the gas pipe 210.

[0049] During use, when the size of the power transmission cable body 1 changes due to mechanical stress and environmental factors, the control center controls the cylinder 2 212 to start before starting the cylinder 1 2. The gas in the sealed cabin 29 is pumped back into the gas collecting box 211 through the gas pipe 210 by starting the cylinder 212. The piston 28 in the sealed cabin 29 is driven to move by suction, and the sliding rod 27 is driven to move by the piston 28. The sliding rod 27 drives the pressure plate 26 to move, so that the pressure plate 26 is separated from the expansion plate 25 and the baffle 24, and the pressure plate 26 no longer generates friction with the expansion plate 25 and the baffle 24. At this time, the control center starts the cylinder 2, so that the cylinder 2 drives the support rod 12 to rotate with the support shaft 13 as the axis through the wire rope 21, so that the clamp 11 moves away from the support rod 12. Figure 1 The position shown is rotated clockwise downward or upward, so that the installation height of the transmission cable body 1 at the transmission tower where the adjustment assembly is installed is changed, thereby adjusting the tension of the transmission cable body 1;

[0050] After the tension is adjusted, the control center controls the air cylinder 212 to start again so that the gas in the air collecting box 211 is transported to the sealed cabin 29 through the air pipe 210, and the gas pushes the piston 28 in the sealed cabin 29 to move, and the piston 28 drives the sliding rod 27 to slide, and the sliding rod 27 drives the pressing plate 26 to move, so that the pressing plate 26 abuts against the expansion plate 25 and the baffle 24, and at the same time, the grooves, holes and protrusions respectively arranged on the surfaces of the expansion plate 25, the baffle 24 and the pressing plate 26 abut against each other, thereby increasing the friction force to prevent the baffle 24 from changing its angle under the weight of the power transmission cable body 1, resulting in the tension of the power transmission cable body 1 not being maintained in the adjusted state;

[0051] By controlling the air cylinder 212 to drive the pressure plate 26 to contact or separate with the expansion plate 25 and the baffle plate 24, it is ensured that the support rod 12 can be maintained at the adjusted position, and the position and angle of the support rod 12 can reach the expected set value.

[0052] Embodiment 3, the technical scheme that distinguishes this embodiment from Embodiment 2 includes: an ice-breaking assembly for assisting the operation of the adjustment assembly is provided on the support rod 2 14, and the ice-breaking assembly includes: a guide block 3, a spring 31, a sliding plate 32, an ice-breaking cone 33, and a slider 34. One end of the guide block 3 is fixedly mounted on the side wall of the baffle 24 for guiding the sliding plate 32. A spring 31 is fixedly mounted inside the guide block 3, and a sliding plate 32 is fixedly mounted on one end of the spring 31. The spring 31 provides elastic force to the sliding plate 32. An ice-breaking cone 33 is fixedly mounted on the side wall of the sliding plate 32. A slider 34 slides against the side wall of the ice-breaking cone 33, and one end of the slider 34 is fixedly mounted on the side wall of the pressure plate 26.

[0053] When in use, after the pressure plate 26 is separated from the expansion plate 25 and the baffle plate 24, and the cylinder 2 is started to adjust the position of the support rod 12 and the clamp 11, the sliding block 34 and the ice-breaking cone 33 are slidably adapted to each other, so that the ice-breaking cone 33 first slides to the side away from the expansion plate 25, and then the sliding block 34 and the ice-breaking cone 33 are separated, and the ice-breaking cone 33 is ejected again to the side where the expansion plate 25 is located under the action of the spring 31, and finally knocks on the surface of the pressure plate 26;

[0054] During the process, the guide block 3 and the sliding plate 32 are slidably matched, so that the sliding plate 32 can only move in a straight line along the guide block 3, so that the sliding plate 32 can only drive the ice-breaking cone 33 to move in a straight line, and the ice-breaking cone 33 hits the surface of the pressing plate 26, so that the ice layer attached to the surface of the pressing plate 26 located at a high altitude in winter can be effectively broken, and the surface of the pressing plate 26, the expansion plate 25, and the baffle plate 24 is prevented from icing due to the low temperature in winter, resulting in a reduction in friction between the pressing plate 26 and the expansion plate 25 and the baffle plate 24;

[0055] In another embodiment different from the above-mentioned embodiment, the groove on the surface of the pressure plate 26 is also changed into a hole, and a set of sliders 34, ice-breaking cones 33, sliding plates 32, springs 31 and guide blocks 3 are also arranged at the holes, so that the ice layer attached to the surfaces of the expansion plate 25 and the baffle plate 24 can also be effectively broken;

[0056] In another embodiment different from the aforementioned embodiment, a sliding plate 32 is located on the outer wall of the side where the ice-breaking cone 33 is located, and an inclined block adapted to the sliding block 34 is also provided. The sliding plate 32 drives the ice-breaking cone 33 to move in a straight line along the guide block 3 through the sliding contact between the inclined block and the sliding block 34.

[0057] Embodiment 4, the technical solution of this embodiment is different from the above-mentioned embodiment and includes: the regulating assembly includes: an adjusting rod 4, a tooth plate 41, a tooth ring 42, a movable shaft 43, a mounting plate 431, a magnetic ring 44, a magnet 45, an extrusion plate 46, a support block 47, and a pressure strain gauge 471, one end of the adjusting rod 4 is fixedly mounted on the power transmission cable body 1, and the other end of the adjusting rod 4 is fixedly mounted with a tooth plate 41, a tooth ring 42 is meshed on the tooth plate 41, one end of the tooth ring 42 is fixedly mounted on one end of the movable shaft 43, and the movable shaft 43 is movably mounted on the mounting plate 431 through a bearing, and one end of the mounting plate 431 is fixedly mounted on the mounting plate 431. The toothed ring 42 is fixedly mounted on the side wall of the support rod 12, a magnetic ring 44 is fixedly mounted on the side wall of the toothed ring 42, a magnet 45 is magnetically connected to the side wall of the magnetic ring 44, one end of the magnet 45 is fixedly mounted on one end of the mounting plate 431 to fix the position of the toothed ring 42, so that the position of the adjusting rod 4 will not change easily, and an extrusion plate 46 is fixedly mounted on the end of the movable shaft 43 away from the toothed ring 42, one end of the extrusion plate 46 is slidably inserted into the support block 47, one end of the support block 47 is fixedly mounted on the side wall of the support rod 12, and two pressure strain gauges 471 symmetrically arranged up and down are fixedly mounted in the support block 47.

[0058] When in use, when the size of the power transmission cable body 1 changes due to mechanical stress and environmental factors, the power transmission cable body 1 will drive the adjusting rod 4 to flip with the clamp 11 as the axis, and the adjusting rod 4 will drive the tooth plate 41 to flip, so that the tooth plate 41 is meshed with the tooth ring 42 and drives the tooth ring 42 to rotate, and the tooth ring 42 drives the movable shaft 43 to rotate, and the mounting plate 431 provides support force for the movable shaft 43, and the movable shaft 43 drives the extrusion plate 46 to move, and the pressure strain gauge 471 on the inner wall of the support block 47 is squeezed by the extrusion plate 46;

[0059] When the pressure strain gauge 471 located above the support block 47 detects a value, it means that at the current height, the transmission cable body 1 between the transmission tower with the adjustment component installed and the transmission tower without the adjustment component installed has expanded and extended, thereby automatically controlling the cylinder 1 2 and the cylinder 2 212 to enter the height adjustment mode, so that the clamp 11 is moved from Figure 1 The position shown is lifted upward until the pressure strain gauge 471 detects no pressure value or moves to the maximum height;

[0060] When the pressure strain gauge 471 located below the support block 47 detects a value, it means that the transmission cable body 1 between the transmission tower with the adjustment component installed and the transmission tower without the adjustment component installed at the current height is tightened and shortened, thereby automatically controlling the cylinder 1 2 and the cylinder 2 212 to enter the lowering mode, so that the clamp 11 is lowered from the raised position until the pressure strain gauge 471 detects no pressure value or moves to the minimum height.

[0061] The embodiment of the present invention also provides a method for using a transmission line connection device for power grid infrastructure, comprising the following steps:

[0062] S1. Install the transmission cable body 1, the clamp 11, the support rod 1 12, the support shaft 13, the support rod 2 14, the adjustment assembly, the ice-breaking assembly and the control assembly on the transmission tower, wherein the adjustment assembly, the ice-breaking assembly and the control assembly are installed at intervals;

[0063] S2. Monitor and respond to the tension of the power transmission cable body 1 through the regulating component, so that the regulating component can be activated when the tension of the power transmission cable body 1 changes;

[0064] S3. When the tension of the power transmission cable body 1 changes, the height of the clamp 11 is changed by the adjusting component to adjust the tension of the power transmission cable body 1. The height of the clamp 11 varies within a range of 0-50 cm.

[0065] S4, the ice breaking assembly breaks the ice layer attached to the surfaces of the baffle plate 24, the expansion plate 25 and the pressure plate 26 in the regulating assembly in winter.

[0066] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0067] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission line connection device for power grid infrastructure, comprising a clamp (11) for fixing a transmission cable body (1), a support rod (12) fixed on the clamp (11) to support the transmission cable body (1), a support shaft (13) movably inserted into the support rod (12), and a support rod (14) mounted on the support shaft (13), characterized in that: The support rod 2 (14) is provided with an adjustment component for changing the tension of the power transmission cable body (1), an ice-breaking component for assisting the operation of the adjustment component, and a control component for controlling the operation timing of the adjustment component, wherein the adjustment component includes: A cylinder (2) is fixed on a support rod (14) to change the tension of a power transmission cable body (1); a steel wire rope (21) is connected to the output end of the cylinder (2); a fixing plate (23) is fixed to one end of the steel wire rope (21); the bottom of the fixing plate (23) is fixed to the top of the support rod (12); and the fixing plate (23) is fixed to the support shaft (13) via a baffle (24); The ice breaking assembly comprises a guide block (3) fixed on the side wall of the baffle (24) for guiding.

2. A transmission line connection device for power grid infrastructure according to claim 1, characterized in that: An expansion plate (25) is fixed on the side wall of the baffle (24), a pressure plate (26) is abutted on the side wall of the expansion plate (25), a sliding rod (27) is fixed on the side wall of the pressure plate (26), a piston (28) is fixed at one end of the sliding rod (27), a sealed cabin (29) is abutted on the outside of the piston (28), one end of the sealed cabin (29) is fixed on the support rod (12), and a sealing arrangement is provided between the sealed cabin (29) and the piston (28).

3. A transmission line connection device for power grid infrastructure according to claim 2, characterized in that: A second cylinder (212) for driving a piston (28) to move is fixed at the bottom of the second support rod (14). The piston (28) is used to drive a sliding rod (27) to move so that the pressure plate (26) and the expansion plate (25) are pressed or loosened. The baffle plate (24), the expansion plate (25) and the pressure plate (26) cooperate with each other to fix the position of the first support rod (12).

4. A transmission line connection device for power grid infrastructure according to claim 3, characterized in that: The sealed cabin (29) is connected to an air supply pipe (210), one end of which is connected to an air collecting box (211), a side wall of which is fixed to the second support rod (14), and a movable plug fixed to the output end of the second cylinder (212) is slidably installed in the air collecting box (211).

5. The transmission line connection device for power grid infrastructure according to claim 1, characterized in that: A spring (31) is fixed inside the guide block (3), a sliding plate (32) is fixed to one end of the spring (31) to provide elastic force to the sliding plate (32), an ice-breaking cone (33) is fixed to the side wall of the sliding plate (32), a sliding block (34) is abutted against the side wall of the ice-breaking cone (33), and a pressure plate (26) is fixed to one end of the sliding block (34).

6. A transmission line connection device for power grid infrastructure according to claim 1, characterized in that: The regulating assembly comprises an adjusting rod (4) fixed on a power transmission cable body (1); a tooth plate (41) is fixed to one end of the adjusting rod (4); a tooth ring (42) is meshed on the tooth plate (41); a movable shaft (43) is fixed to one end of the tooth ring (42); and the movable shaft (43) is fixed to the side wall of the support rod 1 (12) via a mounting plate (431).

7. A transmission line connection device for power grid infrastructure according to claim 6, characterized in that: A magnetic ring (44) is fixed on the side wall of the gear ring (42), a magnet (45) is magnetically attracted to the side wall of the magnetic ring (44), and one end of the magnet (45) is fixed to the position where the gear ring (42) is fixed at one end of the mounting plate (431).

8. A transmission line connection device for power grid infrastructure according to claim 6, characterized in that: An extrusion plate (46) is fixed to one end of the movable shaft (43) away from the gear ring (42), a support block (47) is slidably penetrated through one end of the extrusion plate (46), one end of the support block (47) is fixed to the side wall of the support rod (12), and a pressure strain gauge (471) symmetrically arranged up and down is fixed inside the support block (47).

9. A method for using a transmission line connection device for power grid infrastructure according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Install the transmission cable body (1), the clamp (11), the support rod 1 (12), the support shaft (13), the support rod 2 (14), the adjustment assembly, the ice-breaking assembly and the control assembly on the transmission tower, wherein the adjustment assembly, the ice-breaking assembly and the control assembly are installed at intervals; S2. The tension of the power transmission cable body (1) is monitored and responded to by the regulating component, so that the regulating component can be activated when the tension of the power transmission cable body (1) changes; S3. When the tension of the power transmission cable body (1) changes, the adjustment component changes the height of the clamp (11) to adjust the tension of the power transmission cable body (1); S4, the ice breaking assembly breaks the ice layer attached to the surfaces of the baffle plate (24), the expansion plate (25) and the pressure plate (26) in the regulating assembly in winter.

10. The method for using the transmission line connection device for power grid infrastructure according to claim 9, characterized in that: The height variation range of the clamp (11) is between 0 and 50 cm.

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