Distribution network traveling wave fault early warning device

Abstract

The invention discloses a distribution network traveling wave fault early warning device, and belongs to the field of power grid distribution networks, the distribution network traveling wave fault early warning device comprises a high-voltage line, the high-voltage line is inserted in a lower shell and an upper shell, the lower shell is rotatably connected with the upper shell, the outer side of the high-voltage line is sleeved with a clamping block, the top end of the clamping block abuts against a mounting block, and the top end of the clamping block abuts against the mounting block. The mounting block is fixedly connected to the upper shell, the bottom end of the clamping block is slidably connected to the interior of the sliding groove, the sliding groove is formed in the lower shell, the clamping block abuts against the limiting rod, a clamping mechanism is arranged at the bottom end of the limiting rod, and the clamping mechanism is used for pushing the limiting rod to fix the clamping block. The bottom end of the limiting rod is fixedly connected with the sliding block. Through the structural design of the clamping mechanism, the function of conveniently fixing the high-voltage line and the lower shell is realized, so that the time for mounting and fixing the high-voltage line on the lower shell is shortened, the mounting operation is more convenient, and the mounting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of power distribution networks, and in particular to a distribution network traveling wave fault early warning device. Background Art

[0002] Faults in power lines can have a serious impact on the power system. By installing traveling wave fault warning devices on power lines, the operating status of power lines can be detected in real time, so that the faulty line can be quickly and accurately located when a fault occurs, providing safety guarantees for the stable operation of power lines.

[0003] For example, a distribution network line traveling wave fault warning and positioning device with publication number CN118566651A includes an upper shell, a lower shell and a mounting seat, the upper shell is fixedly installed on the top of the lower shell, and the mounting seat is fixed in the lower shell. It also includes: a traveling wave sensor, a blade and a force storage mechanism, the blade is rotatably installed on the top of the upper shell, the force storage mechanism is installed at the bottom of the blade, a locking rod, the locking rod is rotatably installed in the upper shell, and the locking rod locks the bolt; a limit trigger mechanism and a connecting mechanism, the limit trigger mechanism and the connecting mechanism are both installed between the locking rod and the force storage mechanism, the connecting mechanism drives the locking rod to lock the bolt after the force storage mechanism is turned on, and when the limit trigger mechanism detects that the bolt is loose, the force storage mechanism will move to drive the locking rod to immediately lock the bolt, thereby ensuring a tighter connection between the traveling wave sensor and the cable, reducing the lag in the manual maintenance process, and improving the use effect of the traveling wave sensor.

[0004] However, during the installation of the distribution network line traveling wave fault warning and positioning device in the above-mentioned technology, the high-voltage line needs to be passed through the mounting seat first, and then the lower shell and the high-voltage line can be fixed together by tightening multiple sets of bolts on the mounting seat. Since the bottom end of the lower shell needs to be supported manually during installation, it is necessary to manually support the lower shell while tightening the bolts on the mounting seat, which will consume a lot of time and result in low installation efficiency. At the same time, the long installation time will also increase the risk of high-altitude operations. Therefore, a distribution network traveling wave fault warning device is proposed to address the above problems. Summary of the invention

[0005] In order to solve the problem of the distribution network line traveling wave fault warning and positioning device in the above-mentioned technology, during the installation process, it is necessary to first let the high-voltage line pass through the mounting seat, and then tighten the multiple sets of bolts on the mounting seat to fix the lower shell and the high-voltage line together. Since the bottom end of the lower shell needs to be supported manually during installation, it is necessary to manually support the lower shell while tightening the bolts on the mounting seat, which will consume a lot of time and result in low installation efficiency. At the same time, a long installation time will also increase the risk of high-altitude operations. The present invention proposes a distribution network traveling wave fault warning device.

[0006] The technical solution adopted by the present invention to solve its technical problem is: A distribution network traveling wave fault warning device comprises a high-voltage line, wherein the high-voltage line is inserted into the interior of a lower shell and an upper shell, the lower shell is rotatably connected to the upper shell, a clamping block is sleeved on the outer side of the high-voltage line, the top of the clamping block abuts against the mounting block, the mounting block is fixedly connected to the upper shell, the bottom end of the clamping block is slidably connected to the interior of a sliding groove, the sliding groove is opened on the lower shell, the clamping block abuts against a limit rod, the bottom end of the limit rod is provided with a clamping mechanism, the clamping mechanism is used to push the limit rod to fix the clamping block, the bottom end of the limit rod is fixedly connected to a sliding block, a lifting assembly is provided on the sliding block, the lifting assembly is used to lift the limit rod, the bottom end of the high-voltage line abuts against a support plate, and a driving mechanism is provided on the bottom end of the support plate.

[0007] Preferably, the clamping mechanism includes a rotating disk, the bottom end of the rotating disk is rotatably connected to the supporting column, the bottom end of the supporting column is fixedly connected to the inner wall of the cavity, the cavity is opened inside the lower shell body, the bottom end of the rotating disk is rotatably connected to two groups of push rods, the push rod is rotatably connected to a connecting rod on the side away from the rotating disk, the connecting rod is slidably connected to the inside of a movable groove, the movable groove is opened inside the lower shell body, the movable groove is connected to the cavity, the top end of the connecting rod is fixedly connected to a fixing column, the top end of the fixing column is slidably connected to a sliding block, the bottom end of the clamping block is fixedly connected to a supporting spring, and the side of the support spring away from the clamping block is fixedly connected to the inner wall of the sliding groove.

[0008] Preferably, the lifting assembly includes a guide block, the guide block is fixedly connected to both sides of the slider, the guide block is slidably connected to the inside of the guide groove, the guide groove is opened on the inner wall of the movable groove, and the limit rod is provided with a notch on one side close to the clamping block.

[0009] Preferably, the driving mechanism comprises two sets of fixed racks, the fixed rack is fixedly connected to one side of the inner wall of the support plate, the fixed rack is meshed with a fixed gear, the fixed gear is fixedly connected to the two sides of the worm, the fixed gear is rotatably connected to the mounting bracket, the bottom end of the mounting bracket is fixedly connected to the inner wall of the cavity, the worm is meshed with the worm gear, the worm gear is meshed with the connecting wheel, the connecting wheel is meshed with the fixed wheel, the fixed wheel is fixedly connected to the top of the rotating disk, the connecting wheel and the worm gear are both rotatably connected to the retaining bracket, the retaining bracket is fixedly connected to the mounting bracket, the bottom end of the support plate is fixedly connected with four sets of connecting blocks, the connecting blocks are L-shaped, the connecting blocks are fixedly connected to the bottom end of the connecting spring, the top end of the connecting spring is fixedly connected to the top end of the fixing rod, the bottom end of the fixing rod is fixedly connected to the inner wall of the cavity, and the top end of the fixing rod does not contact the inner wall of the support plate.

[0010] Preferably, the top end of the fixing rod is T-shaped, and a limiting ring is fixedly connected to a position of the fixing rod near the bottom end, and the radius of the limiting ring is greater than the radius of the fixing rod.

[0011] Preferably, a cushion block is fixedly connected to the bottom end of the fixed rack, and the cushion block is made of rubber material.

[0012] Preferably, two groups of support bars are fixedly connected to the top of the support plate, and one side of the support bar is in contact with the high-voltage wire.

[0013] Preferably, the top portion of the clamping block is semicircular in design, and a contact groove is provided at the bottom end of the clamping block, the contact groove is in contact with a fixing block, and the fixing block is fixedly connected to the inner wall of the sliding groove.

[0014] Preferably, the fixed block is penetrated by a sliding rod, both sides of the sliding rod are fixedly connected to the inner wall of the sliding groove, the sliding rod penetrates the bottom end of the clamping block, and the bottom end of the clamping block is slidably connected to the sliding rod.

[0015] Preferably, two groups of protrusions are fixedly connected to the top of the lower shell, an arc-shaped groove corresponding to the high-voltage line is opened on the upper shell, and a protrusion is fixedly connected to the inner wall of the arc-shaped groove.

[0016] Compared with the prior art, the present invention is beneficial in that: 1. The present invention realizes the function of facilitating the fixing of the high-voltage line and the lower shell body through the structural design of the clamping mechanism, so as to reduce the time for installing and fixing the high-voltage line to the lower shell body, making the installation operation more convenient, thereby improving the installation efficiency, and solving the problem of the distribution network line traveling wave fault warning and positioning device in the prior art. During the installation process, it is necessary to let the high-voltage line pass through the mounting seat first, and then tighten the multiple sets of bolts on the mounting seat to fix the lower shell body and the high-voltage line together. Since the bottom end part of the lower shell needs to be supported manually during installation, it is necessary to manually support the lower shell while tightening the bolts on the mounting seat, which will consume more time, resulting in low installation efficiency. At the same time, the longer installation time will also increase the risk of high-altitude operations.

[0017] 2. Through the structural design of the lifting assembly of the present invention, when the fixed column slides to both sides inside the movable groove, the slider inserted inside the fixed column will move along the direction of the guide groove, so that the slider can be lifted upward when sliding, and the limit rod will also be lifted up, so that the limit rod can quickly release the abutment with the clamping block by moving upward when moving away from the clamping block, so as to avoid interference with the limit rod caused by the subsequent movement of the clamping block.

[0018] 3. Through the structural design of the driving mechanism of the present invention, only when the support plate is pressed downward, the fixed rack fixed on the inner wall of the support plate will drive the fixed gear meshing with it to rotate, thereby driving the worm. Through the self-locking between the worm and the worm wheel, it is ensured that when the limit rod abuts against the clamping block, the position of the limit rod can be kept fixed, and it will not be released from the clamping block due to external force or vibration, thereby improving the fixing effect of the limit rod on the clamping block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the connection structure between the high voltage line and the lower housing of the present invention; Figure 3 It is a schematic cross-sectional structure diagram of the lower shell of the present invention; Figure 4 It is a structural schematic diagram of the clamping block of the present invention; Figure 5 It is a schematic diagram of the connection structure of the support plate of the present invention; Figure 6 It is a structural schematic diagram of the bottom end of the support plate of the present invention; Figure 7 It is a schematic diagram of the position structure of the fixed rack of the present invention; Figure 8 It is a schematic structural diagram of the driving mechanism of the present invention.

[0021] In the figure: 1, high-voltage line; 20, lower shell; 21, upper shell; 22, protrusion; 23, convex block; 24, mounting block; 25, clamping block; 26, abutment groove; 27, support spring; 28, limit rod; 29, slide bar; 30, fixed block; 31, sliding groove; 32, slider; 33, guide block; 35, fixed column; 36, push rod; 37, connecting rod; 38, rotating disk; 39, support column; 40, cavity; 41, movable groove; 42, guide groove; 43, fixed wheel; 44, connecting wheel; 45, worm wheel; 46, retaining frame; 47, mounting frame; 48, fixed gear; 49, worm; 50, pad; 51, fixed rack; 52, support plate; 53, support bar; 54, connecting block; 55, connecting spring; 56, fixed rod; 57, limit ring. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1 See also Figure 1 - Figure 8 As shown, a distribution network traveling wave fault warning device comprises a high voltage line 1, wherein the high voltage line 1 is inserted into the interior of a lower shell 20 and an upper shell 21, wherein the lower shell 20 is rotatably connected to the upper shell 21, and a clamping block 25 is sleeved on the outer side of the high voltage line 1, wherein the top end of the clamping block 25 abuts against a mounting block 24, wherein the mounting block 24 is fixedly connected to the upper shell 21, and the bottom end of the clamping block 25 is slidably connected to the interior of a sliding groove 31, wherein the sliding groove 31 is provided on the lower shell 20, and the clamping block 25 abuts against a limiting rod 28, wherein a clamping mechanism is provided at the bottom end of the limiting rod 28, wherein the clamping mechanism is used to push the limiting rod 28 to fix the clamping block 25, wherein the bottom end of the limiting rod 28 is fixedly connected to a slider 32, wherein a lifting assembly is provided on the slider 32, wherein the lifting assembly is used to lift the limiting rod 28, and the bottom end of the high voltage line 1 abuts against a support plate 52, wherein a driving mechanism is provided at the bottom end of the support plate 52; Further, the clamping mechanism includes a rotating disk 38, the bottom end of the rotating disk 38 is rotatably connected to a support column 39, the bottom end of the support column 39 is fixedly connected to the inner wall of a cavity 40, the cavity 40 is opened inside the lower shell 20, the bottom end of the rotating disk 38 is rotatably connected to two groups of push rods 36, the push rods 36 are rotatably connected to a connecting rod 37 on the side away from the rotating disk 38, the connecting rod 37 is slidably connected to the inside of a movable groove 41, the movable groove 41 is opened inside the lower shell 20, and the movable groove 41 is communicated with the cavity 40, the top end of the connecting rod 37 is fixedly connected to a fixed column 35, the top end of the fixed column 35 is slidably connected to a slider 32, the bottom end of the clamping block 25 is fixedly connected to a support spring 27, and the side of the support spring 27 away from the clamping block 25 is fixedly connected to the inner wall of the sliding groove 31; Through the structural design of the clamping mechanism, the function of facilitating the fixing of the high-voltage line 1 and the lower shell 20 is realized, so as to reduce the time for installing and fixing the high-voltage line 1 to the lower shell 20, making the installation operation more convenient, thereby improving the installation efficiency. During work, when the high-voltage line 1 and the lower shell 20 are to be installed and fixed, the rotating disk 38 inside the cavity 40 is first rotated, and the two sets of push rods 36 rotatably connected on the bottom end of the rotating disk 38 will push the connecting rod 37 to slide inside the movable groove 41, and the connecting rod 37 is connected to the fixed column 35, and the fixed column 35 is connected to the bottom end of the limit rod 28 through the internal sliding slider 32, so the limit rod 28 will move to both sides, thereby releasing the abutment against the clamping block 25, and the clamping block 25 can slide normally inside the sliding groove 31 to both sides. Pull the clamping block 25, and while the clamping block 25 slides in the sliding groove 31, the supporting spring 27 fixed on the clamping block 25 will be compressed, and the clamping blocks 25 will move away from each other until the high-voltage line 1 can be placed between the two groups of clamping blocks 25. At this time, turn the rotating disk 38 again, and the limiting rods 28 will approach each other until they abut against the clamping block 25, thereby fixing the clamping block 25. The clamping block 25 can clamp and fix the high-voltage line 1 under the action of the supporting spring 27 and the limiting rod 28, and the lower shell 20 can also be fixed on the high-voltage line 1 through the clamping block 25. Subsequently, you only need to rotate the upper shell 21 and fix the lower shell 20 and the upper shell 21 together. At this time, the fixed mounting block 24 inside the upper shell 21 will abut against the top of the clamping block 25 to assist in fixing the clamping block 25.

[0024] Further, the lifting assembly includes a guide block 33, the guide block 33 is fixedly connected to both sides of the slider 32, the guide block 33 is slidably connected to the inside of the guide groove 42, the guide groove 42 is opened on the inner wall of the movable groove 41, and the limiting rod 28 is provided with a notch on one side close to the clamping block 25; By the structural design of the lifting assembly, when the fixed column 35 slides to both sides in the movable groove 41, the slider 32 inserted in the fixed column 35 will move along the direction of the guide groove 42, so that the slider 32 can be lifted upward when sliding, and the limit rod 28 will also be lifted up, so that the limit rod 28 can quickly release the abutment with the clamping block 25 by moving upward in the process of moving away from the clamping block 25, so as to avoid the subsequent movement of the clamping block 25 causing interference to the limit rod 28. During operation, when the fixed column 35 drives the slider 32 to slide in the movable groove 41, since the slider 32 is slidably connected to the fixed column 35, the slider 32 can be lifted upward. The guide block 33 fixed on the column 35 and the slider 32 slides in the guide groove 42, so the slider 32 will slide along the direction of the guide groove 42, so that the slider 32 can be lifted upward during the sliding process, thereby driving the limit rod 28 to move upward, and a notch is provided at the position where the limit rod 28 abuts against the clamping block 25 to ensure that the limit rod 28 can abut against the clamping block 25 normally. When the limit rod 28 is lifted upward for a certain distance, the clamping block 25 can slide smoothly on the sliding groove 31 through the notch at the bottom end of the limit rod 28, so as to quickly release the abutment of the limit rod 28 against the clamping block 25.

[0025] Further, the driving mechanism includes two sets of fixed racks 51, the fixed racks 51 are fixedly connected to one side of the inner wall of the support plate 52, the fixed racks 51 are meshed with the fixed gears 48, the fixed gears 48 are fixedly connected to both sides of the worm 49, the fixed gears 48 are rotatably connected to the mounting frame 47, the bottom end of the mounting frame 47 is fixedly connected to the inner wall of the cavity 40, the worm 49 is meshed with the worm wheel 45, the worm wheel 45 is meshed with the connecting wheel 44, the connecting wheel 44 is meshed with the fixed wheel 43, and the fixed wheel 43 is fixed to the connecting wheel 49. Connected to the top of the rotating disk 38, the connecting wheel 44 and the worm wheel 45 are both rotatably connected to the retaining frame 46, the retaining frame 46 is fixedly connected to the mounting frame 47, the bottom end of the support plate 52 is fixedly connected with four groups of connecting blocks 54, the connecting blocks 54 are L-shaped, the connecting blocks 54 are fixedly connected to the bottom end of the connecting spring 55, the top end of the connecting spring 55 is fixedly connected to the top end of the fixing rod 56, the bottom end of the fixing rod 56 is fixedly connected to the inner wall of the cavity 40, and the top end of the fixing rod 56 does not contact the inner wall of the support plate 52; Through the structural design of the driving mechanism, only when the support plate 52 is pressed downward, the fixed rack 51 fixed on the inner wall of the support plate 52 will drive the fixed gear 48 meshing with it to rotate, thereby driving the worm 49. Through the self-locking between the worm 49 and the worm wheel 45, it is ensured that when the limit rod 28 abuts against the clamping block 25, the position of the limit rod 28 can be kept fixed, and it will not be released from the abutment with the clamping block 25 due to external force or vibration, thereby improving the fixing effect of the limit rod 28 on the clamping block 25. When working, by pressing the support plate 52 downward, the support plate 52 will slide inside the cavity 40, and the fixed rack 51 fixed on one side of the inner wall of the support plate 52 will drive the fixed gear 48 to rotate. The two sets of fixed gears 48 The fixed gear 48 fixed on both sides of the worm 49 rotates on the mounting frame 47. When the worm 49 rotates, it will drive the worm wheel 45 meshing with it to rotate. The worm wheel 45 drives the fixed wheel 43 to rotate through the connecting wheel 44. The fixed wheel 43 is fixed on the rotating disk 38, thereby driving the rotating disk 38 to rotate. Similarly, when the support plate 52 is no longer pressed downward, since a connecting spring 55 is fixed to the bottom end of the support plate 52, under the action of the elastic force of the connecting spring 55, the support plate 52 will move upward until it abuts against the bottom end of the high-voltage line 1, and the fixed rack 51 will drive the fixed gear 48 to move in the opposite direction, wherein the four groups of connecting blocks 54 fixed at the bottom end of the support plate 52 slide on the fixing rod 56 to guide the sliding of the support plate 52 inside the cavity 40.

[0026] Furthermore, the top of the fixing rod 56 is T-shaped, and a limiting ring 57 is fixedly connected to the fixing rod 56 near the bottom, and the radius of the limiting ring 57 is greater than the radius of the fixing rod 56; When working, the top of the fixing rod 56 is designed in a T shape to facilitate connection with the connecting spring 55, and a limiting ring 57 is fixed near the bottom end of the fixing rod 56. The limiting ring 57 is used to limit the sliding distance of the connecting block 54 on the fixing rod 56. When the bottom end of the connecting block 54 slides to abut against the limiting ring 57, the connecting block 54 can no longer move downward.

[0027] Furthermore, a cushion block 50 is fixedly connected to the bottom end of the fixed rack 51, and the cushion block 50 is made of rubber material; During operation, when the support plate 52 moves downward to the maximum distance, in order to prevent the bottom end of the fixed rack 51 from abutting against the inner wall of the cavity 40, a pad 50 is fixed on the bottom end of the fixed rack 51. The pad 50 is used to buffer the bottom end of the fixed rack 51 and the inner wall of the cavity 40.

[0028] Furthermore, two groups of support bars 53 are fixedly connected to the top of the support plate 52, and one side of the support bar 53 is in contact with the high-voltage line 1; During operation, a curved surface is provided on one side of the support bar 53 so as to better fit the high-voltage line 1 , so as to increase the contact area between the top of the support plate 52 and the high-voltage line 1 .

[0029] Furthermore, the top portion of the clamping block 25 is semicircular in design, and the bottom end of the clamping block 25 is provided with an abutment groove 26, the abutment groove 26 abuts against the fixing block 30, and the fixing block 30 is fixedly connected to the inner wall of the sliding groove 31; During operation, the sliding distance of the clamping block 25 on the sliding groove 31 is limited by the abutment between the abutment groove 26 and the fixing block 30 , so that the two groups of clamping blocks 25 can accurately clamp and fix the high-voltage wire 1 .

[0030] Embodiment 2 See also Figure 2 and Figure 4 As shown, Comparative Example 1 is another embodiment of the present invention, the fixed block 30 is penetrated by the slide bar 29, both sides of the slide bar 29 are fixedly connected to the inner wall of the sliding groove 31, the slide bar 29 penetrates the bottom end of the clamping block 25, and the bottom end of the clamping block 25 is slidably connected to the slide bar 29; During operation, the bottom end of the clamping block 25 is penetrated by the slide rod 29 and slides on the slide rod 29 , so as to guide the movement of the clamping block 25 on the slide groove 31 , ensuring that the clamping block 25 can slide smoothly on the slide groove 31 .

[0031] The top of the lower shell 20 is fixedly connected with two groups of protrusions 22, and the upper shell 21 is provided with an arc-shaped groove corresponding to the high-voltage line 1, and the inner wall of the arc-shaped groove is fixedly connected with a protrusion 23; During operation, when the lower shell 20 and the upper shell 21 are closed, the protrusion 22 can fit into the arc groove opened on the upper shell 21, and the protrusion 23 will abut against the top of the high-voltage line 1, thereby squeezing the top of the high-voltage line 1, so that the fixing effect of the lower shell 20 and the upper shell 21 on the high-voltage line 1 is better, and the protrusion 23 does not contact the protrusion 22 to ensure that when the upper shell 21 is rotated to open the inside of the lower shell 20, the protrusion 23 will not abut against the protrusion 22.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A distribution network traveling wave fault warning device, comprising a high voltage line (1), wherein the high voltage line (1) is inserted into a lower housing (20) and an upper housing (21), wherein the lower housing (20) is rotatably connected to the upper housing (21), and characterized in that: The outer side of the high-voltage line (1) is provided with a clamping block (25), the top end of the clamping block (25) abuts against the mounting block (24), the mounting block (24) is fixedly connected to the upper shell (21), the bottom end of the clamping block (25) is slidably connected to the inside of the sliding groove (31), the sliding groove (31) is provided on the lower shell (20), the clamping block (25) abuts against the limit rod (28), the bottom end of the limit rod (28) is provided with a clamping mechanism, the clamping mechanism is used to push the limit rod (28) to fix the clamping block (25), the bottom end of the limit rod (28) is fixedly connected to the slider (32), the slider (32) is provided with a lifting assembly, the lifting assembly is used to lift the limit rod (28), the bottom end of the high-voltage line (1) abuts against the support plate (52), the bottom end of the support plate (52) is provided with a driving mechanism.

2. A distribution network traveling wave fault early warning device according to claim 1, characterized in that: The clamping mechanism comprises a rotating disk (38), the bottom end of the rotating disk (38) is rotatably connected to a support column (39), the bottom end of the support column (39) is fixedly connected to the inner wall of a cavity (40), the cavity (40) is opened inside the lower shell (20), the bottom end of the rotating disk (38) is rotatably connected to two sets of push rods (36), the side of the push rod (36) away from the rotating disk (38) is rotatably connected to a connecting rod (37), and the connecting rod (37) is slidably connected to the inner wall of a cavity (40). Inside the movable groove (41), the movable groove (41) is opened inside the lower shell (20), the movable groove (41) is communicated with the cavity (40), the top end of the connecting rod (37) is fixedly connected to the fixing column (35), the top end of the fixing column (35) is slidably connected to the sliding block (32), the bottom end of the clamping block (25) is fixedly connected to the supporting spring (27), and the side of the supporting spring (27) away from the clamping block (25) is fixedly connected to the inner wall of the sliding groove (31).

3. A distribution network traveling wave fault early warning device according to claim 1, characterized in that: The lifting assembly comprises a guide block (33), the guide block (33) is fixedly connected to both sides of the slider (32), the guide block (33) is slidably connected to the inside of the guide groove (42), the guide groove (42) is formed on the inner wall of the movable groove (41), and a notch is formed on one side of the limit rod (28) close to the clamping block (25).

4. A distribution network traveling wave fault early warning device according to claim 1, characterized in that: The driving mechanism comprises two sets of fixed racks (51), wherein the fixed racks (51) are fixedly connected to one side of the inner wall of the support plate (52), the fixed racks (51) are meshed with a fixed gear (48), the fixed gears (48) are fixedly connected to both sides of a worm (49), the fixed gears (48) are rotatably connected to a mounting frame (47), the bottom end of the mounting frame (47) is fixedly connected to the inner wall of the cavity (40), the worm (49) is meshed with a worm wheel (45), the worm wheel (45) is meshed with a connecting wheel (44), the connecting wheel (44) is meshed with a fixed wheel (43), and the fixed wheel (43) is fixedly connected to At the top end of the rotating disk (38), the connecting wheel (44) and the worm wheel (45) are both rotatably connected to a retaining frame (46), the retaining frame (46) is fixedly connected to a mounting frame (47), the bottom end of the support plate (52) is fixedly connected with four groups of connecting blocks (54), the connecting blocks (54) are L-shaped, the connecting blocks (54) are fixedly connected to the bottom end of a connecting spring (55), the top end of the connecting spring (55) is fixedly connected to the top end of a fixing rod (56), the bottom end of the fixing rod (56) is fixedly connected to the inner wall of the cavity (40), and the top end of the fixing rod (56) does not contact the inner wall of the support plate (52).

5. A distribution network traveling wave fault early warning device according to claim 4, characterized in that: The top end of the fixing rod (56) is designed to be T-shaped, and a limiting ring (57) is fixedly connected to a position of the fixing rod (56) close to the bottom end, wherein the radius of the limiting ring (57) is greater than the radius of the fixing rod (56).

6. A distribution network traveling wave fault early warning device according to claim 4, characterized in that: A cushion block (50) is fixedly connected to the bottom end of the fixed rack (51), and the cushion block (50) is made of rubber material.

7. A distribution network traveling wave fault early warning device according to claim 4, characterized in that: Two groups of support bars (53) are fixedly connected to the top of the support plate (52), and one side of the support bar (53) is in contact with the high-voltage wire (1).

8. A distribution network traveling wave fault early warning device according to claim 3, characterized in that: The top portion of the clamping block (25) is designed to be semicircular, and the bottom end of the clamping block (25) is provided with an abutment groove (26), the abutment groove (26) abuts against the fixing block (30), and the fixing block (30) is fixedly connected to the inner wall of the sliding groove (31).

9. A distribution network traveling wave fault early warning device according to claim 8, characterized in that: The fixed block (30) is penetrated by the sliding rod (29), both sides of the sliding rod (29) are fixedly connected to the inner wall of the sliding groove (31), the sliding rod (29) penetrates the bottom end of the clamping block (25), and the bottom end of the clamping block (25) is slidably connected to the sliding rod (29).

10. A distribution network traveling wave fault early warning device according to claim 1, characterized in that: Two groups of protrusions (22) are fixedly connected to the top of the lower shell (20), and an arc-shaped groove corresponding to the high-voltage line (1) is opened on the upper shell (21), and a protrusion (23) is fixedly connected to the inner wall of the arc-shaped groove.

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