A high-voltage grounding wire hook against falling

Abstract

The application relates to the technical field of anti-falling high-voltage grounding wire hook equipment, and discloses an anti-falling high-voltage grounding wire hook, which comprises a grounding rod, the top of the grounding rod is fixedly connected with a locking hook, the side wall of the locking hook is fixedly connected with a conductive wire, the inside of the grounding rod is slidably connected with a drag rod, and the bottom of the drag rod is fixedly connected with a handle. When the construction personnel pulls down the drag rod, the sliding cylinder at the top of the drag rod extrudes the spring in the grounding rod, the sliding cylinder drives the steel wire rope to move downwards, the total length of the steel wire rope does not change, the steel wire ropes on the two sides of the locking hook drive the spring to change in a spring leaf shape, the extrusion force of the spring leaf on the two conductive clamps is increased, the extrusion force of the two conductive clamps on the high-voltage wire is increased, and the hook can be more stably fixed on the high-voltage wire.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anti-falling high-voltage grounding wire hook devices, in particular to an anti-falling high-voltage grounding wire hook. BACKGROUND

[0002] The high-voltage grounding wire hook is an important component of the high-voltage grounding wire, which is used for line and transformer construction to prevent electrostatic induction electric shock or misoperation and ensure safety. The high-voltage grounding wire hook plays a key role in connecting high-voltage equipment and grounding wire, and forms a good electrical connection between electrical equipment and the ground.

[0003] With the rapid development of power grids, the number of transformer substations increases year by year, and the amount of transformer substation switching operation gradually increases. In order to ensure the safety of on-site operations, a large number of grounding wires need to be installed on site. The diameter of the grounding wire used should not be less than 25 square millimeters, and the weight is relatively large. The fastening method between the hook and the high-voltage wire is mostly fixed by the extrusion force of the spring sheet. This single fixing method has no other auxiliary fixing device, and there is a risk of the grounding wire hook falling during the hooking process and after the hooking is completed, which poses a great safety threat to the operation and maintenance personnel and on-site workers. SUMMARY

[0004] The purpose of the present application is to provide an anti-falling high-voltage grounding wire hook to solve the problems raised in the background.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The present application is an anti-falling high-voltage grounding wire hook, which comprises a grounding rod, a locking hook fixedly connected to the top of the grounding rod, a conductive wire fixedly connected to the side wall of the locking hook, a drag rod slidingly connected to the inside of the grounding rod, and a handle fixedly connected to the bottom of the drag rod.

[0007] The wire hanging part is installed inside the locking hook, and the function of the wire hanging part is to fix and lock the locking hook on the high-voltage wire.

[0008] The locking part is installed inside the grounding rod, and the locking part is used to assist the wire hanging part in locking the high-voltage wire.

[0009] The drag rod moves downward to drive the wire hanging part to extrude the high-voltage wire inside the locking hook, and the locking part locks the wire hanging part.

[0010] Further, the wire hanging part comprises:

[0011] The wire hanging part comprises a wire hanging part installed inside the locking hook, and the wire hanging part is used to connect the high-voltage wire.

[0012] The auxiliary clamping member is installed on the side wall of the locking hook, and is used to drive the wire hanging member to deform.

[0013] Further, the wire hanging member comprises a plurality of conductive clamps rotatably connected inside the locking hook, and a wire locking groove is formed on one side of the top of the conductive clamp, and the wire locking groove is used to buckle the high-voltage wire.

[0014] Further, the wire hanging member further comprises a plurality of accommodation grooves formed on the top of the locking hook, and a spring sheet is fixedly connected to the side wall of the conductive clamp, and a limiting steel belt is fixedly connected to one end of the conductive clamp close to the accommodation groove, and the other end of the limiting steel belt away from the conductive clamp is fixedly connected to the locking hook, and the limiting steel belt is used to prevent foreign matters from entering the inside of the locking hook, thereby avoiding that the wire hanging member is stuck by foreign matters.

[0015] Further, the auxiliary clamping member comprises a plurality of movable pulleys rotatably connected to one end of the spring sheet away from the conductive clamp, a plurality of auxiliary grooves are formed on the side wall of the locking hook, the movable pulleys are slidingly connected inside the auxiliary grooves, a fixed wheel is rotatably connected to the side wall of the locking hook away from the conductive wire, and a steel wire rope is fixedly connected to the fixed wheel.

[0016] Further, the auxiliary clamping member further comprises a plurality of first fixed pulleys fixedly connected to the side wall of the locking hook, the steel wire rope is drivingly connected to the plurality of first fixed pulleys, a plurality of second fixed pulleys are fixedly connected to the side wall of the locking hook, and the steel wire rope is drivingly connected to the second fixed pulleys.

[0017] Among them, a plurality of third fixed pulleys are rotatably connected inside the locking hook, and the steel wire rope is drivingly connected to the third fixed pulleys, the third fixed pulleys are used to change the moving direction of the steel wire rope, a sliding cylinder is fixedly connected to the top of the drag rod, and one end of the steel wire rope away from the fixed wheel is fixedly connected to the top of the sliding cylinder.

[0018] Further, the locking part comprises:

[0019] The locking part comprises:

[0020] The locking part comprises:

[0021] Further, the locking part comprises a plurality of one-way locking teeth formed on the inner wall of the ground wire rod, a locking block is slidingly connected to the side wall of the sliding cylinder, an extrusion spring is arranged inside the ground wire rod, and the top of the extrusion spring is fixedly connected to the bottom of the sliding cylinder.

[0022] Further, the sliding member comprises a linkage rod rotatably connected to the locking block close to the inside of the sliding cylinder, a sliding rod is slidingly connected inside the drag rod, and one end of the linkage rod away from the locking block is rotatably connected to the top of the sliding rod.

[0023] Further, the sliding piece further comprises an extrusion disc fixedly connected to the top of the sliding rod, and a contraction spring is fixedly connected to the top of the extrusion disc, and the bottom of the sliding rod is fixedly connected with an unlocking button.

[0024] The present application has the following advantages:

[0025] (1) According to the present application, when the construction personnel pulls the drag rod downward, the sliding cylinder at the top of the drag rod extrudes the extrusion spring along the inner wall of the ground wire rod, at this time, the sliding cylinder drives the steel wire rope to move downward, at this time, because the total length of the steel wire rope is unchanged, the steel wire rope on both sides of the locking hook drives the spring sheet to deform to a greater extent through the movable pulley, at this time, the extrusion force of the spring sheet on the two conductive clamps is increased, and thus, the present application is beneficial to enhancing the extrusion force of the two conductive clamps on both sides of the high-voltage wire, so as to ensure that the hook can be more stably fixed on the high-voltage wire.

[0026] (2) According to the present application, the high-voltage wire is in contact with the wire hanging part in the locking hook, when the construction personnel pulls the locking hook downward, at this time, the conductive clamp in the wire hanging part in the locking hook is extruded by the high-voltage wire, and the conductive clamp is rotated by the extrusion of the high-voltage wire, at this time, the spring sheet on the back of the conductive clamp is extruded to deform, when the deformation of the spring sheet is greater, the extrusion force between the two conductive clamps is greater, and finally, the high-voltage wire is clamped in the wire locking groove at the top of the conductive clamp, and thus, the present application is beneficial to preventing the hook from falling off from the high-voltage wire.

[0027] (3) According to the present application, when the sliding cylinder slides downward along the inner wall of the ground wire rod, the sliding cylinder drives the plurality of lock blocks on the side wall to slide downward, and the lock blocks extrude the sliding downward along the one-way lock tooth, at this time, the lock blocks can slide downward along the one-way lock tooth, and thus, the present application is beneficial to ensuring that the lock piece is not affected by the extrusion of the reset spring, so as to ensure that the lock piece works normally.

[0028] (4) According to the present application, when the hook needs to be removed, the unlocking button at the bottom of the handle is pressed, the extrusion disc at the top of the sliding rod slides upward along the inner wall of the sliding cylinder, the sliding rod drives the lock block at one end of the connecting rod to be unlocked from the one-way lock tooth, so as to ensure that the hook is reset.

[0029] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0031] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the present application;

[0032] Figure 2 Fig. 2 is a schematic diagram of the sectional structure of the locking hook of the present application;

[0033] Figure 3 Fig. 3 is a schematic diagram of the sectional structure of the overall structure of the present application;

[0034] Figure 4 Fig. 4 is a schematic diagram of the structure of the locking hook of the present application;

[0035] Figure 5 Fig. 5 is a schematic diagram of the sectional structure of the wire hanging part of the present application;

[0036] Figure 6 Fig. 6 is a schematic diagram of the structure of the wire hanging part of the present application;

[0037] Figure 7 Fig. 7 is an enlarged view of A in Fig. 1; Figure 6

[0038] Fig. 8 is an enlarged view of B in Fig. 1; Figure 8 Figure 6 Fig. 9 is an enlarged view of C in Fig. 1;

[0039] Figure 9 Fig. 10 is a schematic diagram of the structure of the locking part of the present application;

[0040] Figure 10 Fig. 11 is an enlarged view of D in Fig. 1. Figure 9

[0041] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0042] In the drawings, the components represented by the respective reference numerals are listed as follows:1, ground rod; 11, locking hook; 12, conductive wire; 13, drag lever; 14, handle; 2, wire hanging part; 21, wire hanging part; 211, conductive clamp; 212, wire locking groove; 213, clearance groove; 214, spring piece; 215, limiting steel band; 22, auxiliary clamping part; 221, movable pulley; 222, auxiliary groove; 223, fixed pulley; 224, steel wire rope; 225, fixed pulley 1; 226, fixed pulley 2; 227, fixed pulley 3; 228, sliding cylinder; 3, locking part; 31, lock part; 311, one-way lock tooth; 312, lock block; 313, extrusion spring; 32, sliding part; 321, connecting rod; 322, sliding rod; 323, extrusion disc; 324, contraction spring; 325, unlocking button. DETAILED DESCRIPTION

[0043] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative efforts should fall into the scope of the present application.

[0044] Embodiment 1, please refer to Figures 1-8 As shown in the figure, the present application is a kind of anti-falling high-voltage grounding wire hook, including ground rod 1, the top of ground rod 1 is fixedly connected with locking hook 11, the side wall of locking hook 11 is fixedly connected with conductive wire 12, the inside of ground rod 1 is slidably connected with drag rod 13, the bottom of drag rod 13 is fixedly connected with handle 14, further comprising:

[0045] Wire hanging part 2, wire hanging part 2 is installed in the inside of locking hook 11, the function of wire hanging part 2 is to fix and lock locking hook 11 on high-voltage wire;

[0046] Locking part 3, locking part 3 is installed in the inside of ground rod 1, locking part 3 is used to assist wire hanging part 2 to lock high-voltage wire; and

[0047] Among them, through the downward movement of drag rod 13, wire hanging part 2 is driven to extrude the high-voltage wire in the inside of locking hook 11, at the same time, locking part 3 locks wire hanging part 2.

[0048] Wire hanging part 2 includes:

[0049] Wire hanging part 21, wire hanging part 21 is installed in the inside of locking hook 11, wire hanging part 21 is used to connect high-voltage wire;

[0050] Auxiliary clamping part 22, auxiliary clamping part 22 is installed on the side wall of locking hook 11, auxiliary clamping part 22 is used to drive wire hanging part 21 to deform.

[0051] Wire hanging part 21 includes several conductive clamps 211 rotatably connected in the inside of locking hook 11, the top side of conductive clamp 211 is provided with wire locking groove 212, wire locking groove 212 is used to tighten high-voltage wire.

[0052] The wire hanging part 21 further comprises a plurality of accommodation grooves 213 formed on the top of the locking hook 11, the side wall of the conductive clamp 211 is fixedly connected with a spring sheet 214, the end of the conductive clamp 211 close to the accommodation groove 213 is fixedly connected with a limiting steel band 215, the end of the limiting steel band 215 away from the conductive clamp 211 is fixedly connected with the locking hook 11, and the limiting steel band 215 is used for preventing foreign matters from entering the inside of the locking hook 11, so that the wire hanging part 21 is prevented from being stuck by foreign matters, and the component is used for, when the anti-falling high-voltage grounding wire hook is used, first, the construction personnel hold the handle 14, and the locking hook 11 at the top of the hook is hung on the high-voltage wire, the high-voltage wire is in contact with the wire hanging part 2 in the inside of the locking hook 11, when the construction personnel pulls down the locking hook 11, the conductive clamp 211 in the wire hanging part 21 in the inside of the locking hook 11 is extruded with the high-voltage wire, the high-voltage wire extrudes the conductive clamp 211, so that the conductive clamp 211 is rotated, at this time, the spring sheet 214 on the back of the conductive clamp 211 is extruded to be deformed, when the deformation degree of the spring sheet 214 is greater, the extrusion force between the two conductive clamps 211 is greater, and finally the high-voltage wire is clamped in the wire locking groove 212 at the top of the conductive clamp 211, so that the setting is beneficial to prevent the hook from falling off from the high-voltage wire.

[0053] The auxiliary clamping part 22 comprises a plurality of movable pulleys 221 rotationally connected at the end of the spring sheet 214 away from the conductive clamp 211, the side wall of the locking hook 11 is provided with a plurality of auxiliary grooves 222, the movable pulleys 221 are slidingly connected in the auxiliary grooves 222, the side wall of the locking hook 11 away from the conductive wire 12 is rotationally connected with a fixed pulley 223, and the fixed pulley 223 is fixedly connected with a steel wire rope 224 through a screw.

[0054] The auxiliary clamping part 22 further comprises a plurality of fixed pulleys one 225 fixedly connected to the side wall of the locking hook 11, the steel wire rope 224 is drivingly connected to the plurality of fixed pulleys one 225, the side wall of the locking hook 11 is fixedly connected with a plurality of fixed pulleys two 226, and the steel wire rope 224 is drivingly connected to the fixed pulleys two 226;

[0055] The inside of the locking hook 11 is rotationally connected with a plurality of fixed pulleys three 227, the steel wire rope 224 is transmissionally connected on the fixed pulleys three 227, the fixed pulleys three 227 are used for changing the moving direction of the steel wire rope 224, the top of the tow bar 13 is fixedly connected with a sliding cylinder 228, and one end of the steel wire rope 224, away from the fixed wheel 223, is fixedly connected with the top of the sliding cylinder 228; the sliding cylinder 228 on the top of the tow bar 13 slides downwards along the inside of the ground wire rod 1 when the construction personnel pulls the tow bar 13 downwards, at the moment, the sliding cylinder 228 drives the steel wire rope 224 to move downwards, at the moment, because the total length of the steel wire rope 224 is unchanged, the steel wire rope 224 on the two sides of the locking hook 11 drives the spring sheet 214 to increase the deformation degree through the movable pulleys 221, at the moment, the spring sheet 214 increases the extrusion force on the two conductive clamps 211, and thusly the setting is favorable for enhancing the extrusion force of the two conductive clamps 211 on the high-voltage wire, so that the hook can be more stably fixed on the high-voltage wire; when the steel wire rope 224 moves downwards along with the sliding cylinder 228, the steel wire rope 224 drives a plurality of movable pulleys 221 to slide upwards along the auxiliary groove 222, at the moment, the movable pulleys 221 drive the spring sheet 214 to bend upwards and deform.

[0056] The embodiment 2 is different from the embodiment 1 in that, as shown in the figure, Figures 1-10 The locking part 3 comprises:

[0057] The locking piece 31 is installed in the inside of the ground wire rod 1, and is used for pulling the steel wire rope 224;

[0058] The sliding piece 32 is installed in the inside of the ground wire rod 1, and is used for resetting the locking piece 31.

[0059] The locking piece 31 comprises a plurality of one-way locking teeth 311 which are opened in the inner wall of the ground wire rod 1, the side wall of the sliding cylinder 228 is slidingly connected with a locking block 312, the inside of the ground wire rod 1 is provided with an extrusion spring 313, the top of the extrusion spring 313 is fixedly connected with the bottom of the sliding cylinder 228, the sliding cylinder 228 slides along the inner wall of the ground wire rod 1, the sliding cylinder 228 drives a plurality of locking blocks 312 on the side wall to slide downwards, the locking blocks 312 slide downwards along the one-way locking teeth 311, at the moment, the locking blocks 312 can slide downwards along the one-way locking teeth 311, and thusly the setting is favorable for guaranteeing that the locking piece 31 is not affected by the extrusion spring 313, so that the locking piece 31 can normally work;

[0060] The sliding piece 32 comprises a linkage rod 321 which rotates at the locking block 312 close to the inside of the sliding cylinder 228, the inside of the tow bar 13 is slidingly connected with a sliding rod 322, and one end of the linkage rod 321, away from the locking block 312, is rotationally connected with the top of the sliding rod 322.

[0061] The sliding piece 32 further comprises an extrusion disc 323 fixedly connected at the top of the sliding rod 322, the top of the extrusion disc 323 is fixedly connected with a contraction spring 324, and the bottom of the sliding rod 322 is fixedly connected with an unlocking button 325. When it is needed to remove the hook, the unlocking button 325 at the bottom of the handle 14 is pressed, the unlocking button 325 drives the extrusion disc 323 at the top of the sliding rod 322 to slide upward along the inner wall of the sliding cylinder 228, the sliding rod 322 drives the locking block 312 at one end of the connecting rod 321 to be unlocked from the one-way locking tooth 311, so that the hook is reset.

[0062] One specific application of the embodiment is:

[0063] When the anti-falling high-voltage grounding wire hook is used, first, the construction personnel hold the handle 14, and the locking hook 11 at the top of the hook is hung on the high-voltage wire, the high-voltage wire is in contact with the wire hanging part 2 in the locking hook 11, when the construction personnel pulls down the locking hook 11, the conductive clamp 211 in the wire hanging part 21 in the locking hook 11 is extruded by the high-voltage wire, the high-voltage wire extrudes the conductive clamp 211 to make the conductive clamp 211 rotate, at this time, the spring sheet 214 at the back of the conductive clamp 211 is extruded to be deformed, when the deformation degree of the spring sheet 214 is greater, the extrusion force between the two conductive clamps 211 is greater, and finally the high-voltage wire is clamped in the wire locking groove 212 at the top of the conductive clamp 211, which is beneficial to prevent the hook from falling off from the high-voltage wire;

[0064] When the construction personnel pulls the drag bar 13 downward, the sliding cylinder 228 at the top of the drag bar 13 extrudes the compression spring 313 along the inner wall of the ground wire rod 1, at this time, the sliding cylinder 228 drives the steel wire rope 224 to move downward, at this time, because the total length of the steel wire rope 224 is unchanged, the steel wire rope 224 on both sides of the locking hook 11 drives the spring sheet 214 to deform to a larger extent through the movable pulley 221, at this time, the extrusion force of the spring sheet 214 on the two conductive clamps 211 is increased, so that the extrusion force of the two conductive clamps 211 on the high-voltage wire is increased, so that the hook can be more stably fixed on the high-voltage wire; when the steel wire rope 224 moves downward with the sliding cylinder 228, the steel wire rope 224 drives a plurality of movable pulleys 221 to slide upward along the auxiliary groove 222, at this time, the movable pulley 221 drives the spring sheet 214 to bend upward and deform; by arranging the sliding part 32, when the sliding cylinder 228 slides downward along the inner wall of the ground wire rod 1, the sliding cylinder 228 drives a plurality of lock blocks 312 on the side wall to slide downward, the lock blocks 312 extrude the sliding downward along the one-way lock teeth 311, at this time, the lock blocks 312 can slide downward along the one-way lock teeth 311, so that the lock part 31 is not affected by the extrusion of the compression spring 313, so that the lock part 31 can work normally; when the hook needs to be removed, press the unlocking button 325 at the bottom of the handle 14, the unlocking button 325 drives the extrusion disc 323 at the top of the sliding rod 322 to slide upward along the inner wall of the sliding cylinder 228, the sliding rod 322 drives the lock block 312 at one end of the connecting rod 321 to unlock the one-way lock teeth 311, so that the hook can be reset.

[0065] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of the present application. The present application selects and describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and use the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A kind of anti-falling high pressure ground wire hook, including ground wire stick (1), the top of the ground wire stick (1) is fixedly connected with locking hook (11), the lateral wall of the locking hook (11) is fixedly connected with conductive wire (12), the inside of the ground wire stick (1) is slidably connected with drag rod (13), the bottom of the drag rod (13) is fixedly connected with handle (14), it is characterized by, Also include: The hanging line part (2) is installed in the inside of the locking hook (11), and the function of the hanging line part (2) is to fix and lock the locking hook (11) on the high-voltage wire; The locking part (3) is installed in the inside of the ground wire rod (1), and the locking part (3) is used to assist the locking of the hanging line part (2) on the high-voltage wire; and Wherein, through the downward movement of the drag rod (13), the hanging line part (2) is driven to extrude the high-voltage wire in the inside of the locking hook (11), and the locking part (3) is locked on the hanging line part (2); The hanging line part (2) comprises: The hanging line part (2) is installed in the inside of the locking hook (11), and the function of the hanging line part (2) is to fix and lock the locking hook (11) on the high-voltage wire; The auxiliary clamping part (22) is installed on the side wall of the locking hook (11), and the auxiliary clamping part (22) is used to drive the deformation of the hanging line part (21); The hanging line part (21) comprises a plurality of conductive clamps (211) rotatably connected in the inside of the locking hook (11), and a wire locking groove (212) is formed in one side of the top of the conductive clamp (211), and the wire locking groove (212) is used to tighten the high-voltage wire; The hanging line part (21) further comprises a plurality of accommodating grooves (213) formed in the top of the locking hook (11), the side wall of the conductive clamp (211) is fixedly connected with a spring sheet (214), one end of the conductive clamp (211) close to the accommodating groove (213) is fixedly connected with a limiting steel belt (215), and the other end of the limiting steel belt (215) away from the conductive clamp (211) is fixedly connected with the locking hook (11), and the limiting steel belt (215) is used to prevent foreign matters from entering the inside of the locking hook (11), so as to avoid that the hanging line part (21) is stuck by foreign matters.

2. The fall arrest high voltage ground line hook of claim 1, wherein: The auxiliary clamping part (22) comprises a plurality of dynamic pulleys (221) rotatably connected at the other end of the spring sheet (214) away from the conductive clamp (211), a plurality of auxiliary grooves (222) are formed in the side wall of the locking hook (11), the dynamic pulleys (221) are slidably connected in the inside of the auxiliary grooves (222), and a fixed wheel (223) is rotatably connected with the side wall of the locking hook (11) away from the conductive wire (12).

3. The fall arrest high voltage ground line hook of claim 2, wherein: The auxiliary clamping part (22) further comprises a plurality of first fixed pulleys (225) fixedly connected with the side wall of the locking hook (11), the steel wire rope (224) is drivingly connected with the plurality of first fixed pulleys (225), the side wall of the locking hook (11) is fixedly connected with a plurality of second fixed pulleys (226), and the steel wire rope (224) is drivingly connected with the second fixed pulleys (226). The inside of the locking hook (11) is rotationally connected with a plurality of fixed pulleys three (227), the steel wire rope (224) is drivingly connected on the fixed pulley three (227), the fixed pulley three (227) is used for changing the moving direction of the steel wire rope (224), the top of the drag rod (13) is fixedly connected with a sliding cylinder (228), and one end of the steel wire rope (224) away from the fixed wheel (223) is fixedly connected with the top of the sliding cylinder (228).

4. The fall arrest high voltage ground line hook of claim 3, wherein: The locking part (3) comprises: The lock piece (31) is installed in the inside of the ground rod (1), and is used for pulling the steel wire rope (224); The sliding piece (32) is installed in the inside of the ground rod (1), and is used for resetting the lock piece (31).

5. The fall arrest high voltage ground line hook of claim 4, wherein: The lock piece (31) comprises a plurality of one-way lock teeth (311) opened in the inner wall of the ground rod (1), the side wall of the sliding cylinder (228) is slidingly connected with a lock block (312), the inside of the ground rod (1) is provided with an extrusion spring (313), and the top of the extrusion spring (313) is fixedly connected with the bottom of the sliding cylinder (228).

6. The fall arrest high voltage ground line hook of claim 5, wherein: The sliding piece (32) comprises a connecting rod (321) rotating on the lock block (312) close to the inside of the sliding cylinder (228), the inside of the drag rod (13) is slidingly connected with a sliding rod (322), and one end of the connecting rod (321) away from the lock block (312) is rotationally connected with the top of the sliding rod (322).

7. The fall arrest high voltage ground line hook of claim 6, wherein: The sliding piece (32) further comprises an extrusion disc (323) fixedly connected at the top of the sliding rod (322), the top of the extrusion disc (323) is fixedly connected with a contraction spring (324), and the bottom of the sliding rod (322) is fixedly connected with an unlocking button (325).

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