CN117013278A

CN117013278A - Become distribution lines maintenance ground wire earthing terminal

Info

Publication number: CN117013278A
Application number: CN202310979265.XA
Authority: CN
Inventors: 于孟冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-05
Filing date: 2023-08-05
Publication date: 2023-11-07

Abstract

The application is applicable to the technical field of power equipment grounding wires, and provides a transformer and distribution line overhaul grounding wire grounding end, which comprises a grounding pile and an installation box; the surface of the grounding pile is provided with a conductor bar; lifting pieces are arranged between the inner walls of the mounting boxes in a sliding manner; a rotating piece meshed and matched with the lifting piece is arranged between the inner walls of the mounting box in a penetrating and rotating way; the guide tube is internally provided with an inserted link in inserted fit with the lifting piece in a sliding way; the rotating piece comprises a gear meshed with the lifting piece; the peripheral side surface of the rotating rod is provided with a locating hole, and the peripheral side surface of the rotating rod is fixedly connected with an L-shaped plate; an unlocking piece is slidably arranged in the guide groove. The device pulls the insulating block to be abutted against the inner bottom surface of the installation box under the elastic acting force of the supporting spring, so that the conductor bar is communicated with the first conductor column, the inner ground wire cable is electrically connected with the first conductor column, the connection of the ground wire is realized, and the grounding point is ensured to be firmly grounded; the lifting piece is driven to ascend through the rotation of the rotating piece, so that the conductor bar is separated from the first conductor column, and the ground wire is quickly detached.

Description

Become distribution lines maintenance ground wire earthing terminal

Technical Field

The application relates to the technical field of grounding wires of power equipment, in particular to a grounding end of an overhaul grounding wire of a power transformation and distribution line.

Background

The power transmission line is overhauled, the power is cut off firstly, and then the ground wire is installed, firstly, in order to ensure the safety of overhaulers, the line is prevented from being electrified in the overhauling process, induction electricity or false power transmission of a parallel line is wrapped, and if the ground wire is mistakenly hung, serious accidents occur in safe production; secondly, only when the power transmission line fails and reaches maintenance conditions, the installation work of the ground wire grounding point can be performed.

The existing ground wire is often limited and protected by fixing parts such as screws and nuts, and the like, the installation and the disassembly are complicated, meanwhile, in the prior art, the ground wire management work is only issued by a dispatching attendant, no forced locking measures are needed when the condition is not met, the ground wire management work in the overhaul work is managed by organizational measures or regulations, and the ground wire management device suitable for popularization and popularization is not used for replacing the regulations.

Disclosure of Invention

Aiming at the defects existing in the prior art, the application aims to provide a device which pulls the insulating block to be abutted against the inner bottom surface of the installation box under the elastic acting force of the supporting spring so that the conductor bar is communicated with the first conductor column, and the inner ground wire cable is electrically connected with the first conductor column, so that the connection of the ground wire is realized, and the grounding point is ensured to be firmly grounded; the lifting part is driven to ascend through the rotation of the rotating part, so that the conductor bar is separated from the first conductor column, the ground wire is rapidly detached, and the ground wire grounding end of the transformer and distribution line overhaul is improved in working efficiency.

In order to achieve the above purpose, the present application provides the following technical solutions:

the grounding end comprises a grounding pile and a mounting box fixed on the surface of the grounding pile; the surface of the grounding pile is provided with a conductor rod penetrating through the inner bottom surface of the mounting box; a lifting piece is arranged between the inner walls of the mounting boxes in a sliding manner; a rotating piece meshed and matched with the lifting piece is arranged between the inner walls of the mounting box in a penetrating and rotating way; a guide pipe penetrates through the side surface of the installation box; the guide tube is internally provided with an inserting rod in inserted fit with the lifting piece in a sliding manner; a first reset spring is connected between the end part of the inserted link and the guide pipe; the rotating piece comprises a gear meshed with the lifting piece; the two side surfaces of the gear are fixedly connected with a rotating rod which is in running fit with the inner wall of the installation box; a guide groove is formed at the end part of the rotating rod; the periphery of the rotating rod is provided with a locating hole, and the periphery of the rotating rod is fixedly connected with an L-shaped plate; the end part of the L-shaped plate is fixedly connected with a first pressure sensor; an unlocking piece is slidably arranged in the guide groove.

The application is further provided with: the unlocking piece comprises a sliding rod which is arranged in the guide groove in a sliding manner; the end part of the sliding rod is fixedly connected with a connecting frame; a sliding plate is arranged between the inner walls of the connecting frames in a sliding manner; a limiting groove is formed in the sliding rod; a positioning rod which is in plug-in fit with the positioning hole is arranged in the limiting groove in a sliding manner; the two ends of the positioning rod are respectively provided with a second pressure sensor and a third pressure sensor; an extrusion spring is arranged between one end of the positioning rod and the limiting groove; a rope guide groove is formed in the sliding rod; a connecting rope is arranged in the rope guide groove in a penetrating manner; and two ends of the connecting rope are respectively connected with the sliding plate and the positioning rod.

The application is further provided with: an electric control box is fixedly arranged in the connecting frame; the electric control box is internally provided with a control module, a judging module, a transmitting module, an alarm and a battery pack in sequence; the input end of the control module is respectively and electrically connected with the second pressure sensor and the third pressure sensor, and the output end of the control module is respectively and electrically connected with the judging module and the alarm; the judging module is electrically connected with the transmitting module; the transmitting module is connected with the terminal through communication.

The application is further provided with: sliding grooves are symmetrically formed in two sides of the inner wall of the connecting frame; a guide rod is arranged between the inner walls of the sliding grooves; the sliding plate is in sliding fit with the guide rod; a connecting spring sleeved on the corresponding guide rod is connected between the side surface of the sliding plate and the inner wall of the sliding groove; the side face of the guide plate is provided with a handle.

The application is further provided with: the end part of the rotating rod is provided with a dial; and a pointer is arranged on the peripheral side surface of the sliding rod.

The application is further provided with: the lifting piece comprises an insulating block which is arranged between the inner walls of the installation box in a sliding manner; storage grooves are symmetrically formed in the bottom surface of the insulating block; a supporting spring is arranged between the insulating block and the inner bottom surface of the storage groove; the bottom surface of the insulating block is provided with a splicing hole which is matched with the conductor rod in a splicing way; the inner top surface of the plug hole is provided with a first conductor column in a penetrating way; the circumference side of the insulating block is provided with a rack which is meshed and matched with the gear.

The application is further provided with: the peripheral side surface of the insulating block is provided with a jack which is in plug-in fit with the plug rod; an electromagnetic coil is arranged in the guide tube; the end part of the inserted link is provided with an armature column; the side surface of the installation box is fixedly connected with a supporting plate; the surface of the supporting plate is sequentially and fixedly connected with a storage battery and a controller; the controller comprises a GPS communication unit which is in communication connection with the terminal; the output end of the GPS communication unit is electrically connected with a control unit; the input end of the control unit is electrically connected with the first pressure sensor, and the output end of the control unit is electrically connected with the electromagnetic coil.

The application is further provided with: an upper baffle is fixedly connected to the inner wall of the installation box above the guide pipe, and a lower baffle is fixedly connected to the inner bottom surface of the installation box right below the rack; the upper baffle and the lower baffle are respectively provided with a fourth pressure sensor; the surface of the controller is sequentially provided with an upper indicator lamp and a lower indicator lamp; the input end of the control unit is electrically connected with the two fourth pressure sensors respectively, and the output end of the control unit is electrically connected with the upper indicator lamp and the lower indicator lamp respectively.

The application is further provided with: the inner wall of the installation box is provided with an upper guide wheel and a lower guide wheel in a rotating manner from top to bottom in sequence; the inner wall of the installation box is positioned between the upper guide wheel and the lower guide wheel and is uniformly provided with a fixed pulley in a rotating way; the inner wall of the installation box is positioned between the adjacent fixed pulleys and is provided with movable pulleys in a rotating way; sliding grooves are uniformly formed in the inner wall of the mounting box; the movable pulley is rotatably provided with an installation seat which is in sliding fit with the sliding groove; a second reset spring is fixedly connected between the mounting seat and the inner wall of the sliding groove; slide rails which are in sliding fit with the slide grooves are arranged on two opposite side surfaces of the mounting seat; a second conductor column penetrates through the inner top of the installation box; one end of the second conductor column is electrically connected with an outer ground wire cable, and the other end of the second conductor column is electrically connected with an inner ground wire cable which sequentially passes through the upper guide wheel, the fixed pulley, the movable pulley and the lower guide wheel; the other end of the inner ground wire cable is electrically connected with the first conductor post.

The application has the advantages that:

1. according to the application, the insulating block is pulled to be abutted against the inner bottom surface of the installation box under the elastic acting force of the supporting spring, so that the conductor bar is communicated with the first conductor column, and the inner ground wire cable is electrically connected with the first conductor column, so that the connection of the ground wire is realized, and the grounding point is ensured to be firmly grounded; the lifting piece is driven to ascend through the rotation of the rotating piece, so that the conductor bar is separated from the first conductor column, the ground wire is quickly detached, and the working efficiency is improved.

2. According to the application, one end of the inner ground wire cable is pulled to descend in the descending process of the lifting piece, so that each group of movable pulleys are driven to move towards the fixed pulleys along the sliding grooves, the second reset springs are compressed, and when the lifting piece ascends, under the elastic reset acting force of the second reset springs, the movable pulleys are driven to reset to tighten the inner ground wire cable, so that the lifting piece is ensured to normally ascend and descend, meanwhile, the inner ground wire cable is prevented from being wound, the normal use of the device is influenced, and the practicability of the device is improved.

3. According to the application, the handle is held to drive the sliding plate to move, so that the positioning rod is pulled into the limit groove through the connecting rope, the sliding rod is inserted into the guide groove, the positioning holes on each group of rotating parts are positioned at different positions, the specific positions of the positioning holes are determined according to the corresponding numbers of the positioning holes, the unlocking part is rotated by contrasting the dial, so that the positioning rod is aligned to the positioning holes, the handle is loosened, the positioning rod is driven to abut against the first pressure touch sensor under the elastic reset acting force of the extrusion spring, the control unit controls the electromagnetic coil to electrically attract the armature column, the inserting rod is pulled out of the inserting hole, the lifting part is driven to descend under the elastic reset acting force of the support spring, the quick connection of the ground wire is realized, the ground wire is ensured to be forcedly used according to the numbers, the ground wire management work is ensured to be strictly carried out according to the flow and regulation system, and the occurrence of personal safety accidents is avoided.

4. When the judging module receives the electric signals of the second pressure sensor and the third pressure sensor, namely the inserting rod is accommodated in the guide pipe, the inserting rod is driven to abut against the guide groove under the elastic acting force of the second reset spring, namely an operator does not determine the specific position of the inserting rod according to the corresponding number of the inserting rod, the control module controls the alarm to give an alarm, meanwhile, the judging module transmits the electric signals to the terminal through the transmitting module, and the terminal transmits the signals to the GPS communication unit through communication, so that the control unit controls the inside of the installation box to cut off power, the electromagnetic coil is ensured to keep the power-off state, forced locking measures are realized, and personal safety accidents are avoided.

Drawings

Fig. 1 is a schematic structural diagram of a transformer and distribution line maintenance ground wire in a disconnected state.

Fig. 2 is a schematic structural diagram of the power transformation and distribution line maintenance ground wire in a state of being connected with a grounding end.

Fig. 3 is an enlarged view of area a of fig. 2 in accordance with the present application.

Fig. 4 is a schematic structural view of the mounting box of the present application.

Fig. 5 is an enlarged view of region B of fig. 4 in accordance with the present application.

Fig. 6 is a schematic structural view of the lifting member of the present application.

Fig. 7 is a schematic structural view of a rotating member according to the present application.

Fig. 8 is a schematic structural view of an unlocking member of the present application.

Fig. 9 is a schematic structural diagram of the unlocking member in a top view.

Fig. 10 is an enlarged view of region C of fig. 9 in accordance with the present application.

Fig. 11 is a schematic structural view of the assembly of the rotating member and the unlocking member of the present application.

Fig. 12 is an enlarged view of region D of fig. 11 in accordance with the present application.

Fig. 13 is a control schematic of the present application.

In the figure: 1. a grounding pile; 2. a mounting box; 3. a conductor bar; 4. a lifting member; 5. a guide tube; 6. a rod; 7. a rotating member; 8. a gear; 9. a rotating rod; 10. a guide groove; 11. positioning holes; 12. an L-shaped plate; 13. a first pressure sensor; 14. an unlocking member; 15. a slide bar; 16. a connection frame; 17. a slide plate; 18. a limit groove; 19. a positioning rod; 20. a second pressure sensor; 21. a third pressure sensor; 22. extruding a spring; 23. a rope guide groove; 24. a connecting rope; 25. an electric control box; 26. a chute; 27. a guide rod; 28. an inner ground cable; 29. a connecting spring; 30. a grip; 31. a dial; 32. a pointer; 33. an insulating block; 34. a support spring; 35. a plug hole; 36. a first conductor post; 37. a rack; 38. a jack; 39. an electromagnetic coil; 40. an armature column; 41. a support plate; 42. a storage battery; 43. a controller; 44. an upper baffle; 45. a lower baffle; 46. an upper indicator lamp; 47. a lower indicator light; 48. an upper guide wheel; 49. a lower guide wheel; 50. a fixed pulley; 51. a movable pulley; 52. a sliding groove; 53. a mounting base; 54. a second conductor post; 55. an external ground cable; 56. a storage groove; 57. a second return spring; 58 a first return spring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present application, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present application.

Example 1

Referring to fig. 1-13, the present application provides the following technical solutions:

the earth wire grounding end for overhauling the power transformation and distribution line comprises a grounding pile 1 and a mounting box 2 fixed on the surface of the grounding pile 1; the surface of the grounding pile 1 is provided with a conductor bar 3 penetrating through the inner bottom surface of the mounting box 2; a lifting piece 4 is arranged between the inner walls of the mounting box 2 in a sliding way; a rotating piece 7 which is meshed and matched with the lifting piece 4 is arranged between the inner walls of the mounting box 2 in a penetrating and rotating way; a guide pipe 5 is arranged on the side surface of the mounting box 2 in a penetrating way; the guide tube 5 is internally provided with an inserting rod 6 which is in inserted fit with the lifting piece 4 in a sliding way; a first return spring 58 is connected between the end of the inserted link 6 and the guide tube 5; the rotating member 7 includes a gear 8 engaged with the lifting member 4; the two side surfaces of the gear 8 are fixedly connected with a rotating rod 9 which runs through and is in running fit with the inner wall of the installation box 2; a guide groove 10 is formed at the end part of a rotating rod 9; the peripheral side surface of the rotating rod 9 is provided with a locating hole 11, and the peripheral side surface of the rotating rod is fixedly connected with an L-shaped plate 12; the end part of the L-shaped plate 12 is fixedly connected with a first pressure sensor 13; the guide groove 10 is slidably provided therein with an unlocking member 14.

The first working principle of this embodiment: the lifting piece 4 is pulled to be abutted against the inner bottom surface of the installation box 2 under the elastic acting force of the supporting spring 34, so that the conductor bar 3 is communicated with the lifting piece 4, the connection of a ground wire is realized, and the grounding point is ensured to be firmly grounded; the lifting part 4 is driven to ascend through the rotation of the rotating part 7, so that the conductor bar 3 is separated from the lifting part 4, the inserting rod 6 is driven to be inserted into the lifting part 4 under the elastic acting force of the first reset spring 58, the lifting part 4 is fixed and limited, the ground wire is rapidly detached, and the working efficiency is improved.

Example two

Referring to fig. 1 to 13, the second embodiment is modified from the first embodiment in that the unlocking member 14 includes a slide bar 15 slidably disposed in the guide groove 10; the end part of the slide bar 15 is fixedly connected with a connecting frame 16; a sliding plate 17 is arranged between the inner walls of the connecting frames 16 in a sliding way; a limit groove 18 is formed in the sliding rod 15; a positioning rod 19 which is in plug-in fit with the positioning hole 11 is slidably arranged in the limiting groove 18; the two ends of the positioning rod 19 are respectively provided with a second pressure sensor 20 and a third pressure sensor 21; an extrusion spring 22 is arranged between one end of the positioning rod 19 and the limiting groove 18; a rope guide groove 23 is formed in the sliding rod 15; a connecting rope 24 is penetrated in the rope guide groove 23; the two ends of the connecting rope 24 are respectively connected with the sliding plate 17 and the positioning rod 19.

An electric control box 25 is fixedly arranged in the connecting frame 16; the control module, the judging module, the transmitting module, the alarm and the battery pack are sequentially arranged in the electric control box 25; the input end of the control module is respectively and electrically connected with the second pressure sensor and the third pressure sensor, and the output end of the control module is respectively and electrically connected with the judging module and the alarm; the judging module is electrically connected with the transmitting module; the transmitting module is connected with the terminal through communication.

The two sides of the inner wall of the connecting frame 16 are symmetrically provided with sliding grooves 26; a guide rod 27 is arranged between the inner walls of the sliding grooves 26; the slide plate 17 is in sliding fit with the guide rod 27; a connecting spring 29 sleeved on the corresponding guide rod 27 is connected between the side surface of the sliding plate 17 and the inner wall of the sliding groove 26; the guide plate 28 is provided with a grip 30 on the side.

The lifting member 4 includes an insulating block 33 slidably disposed between the inner walls of the mounting case 2; the bottom surface of the insulating block 33 is symmetrically provided with a storage groove 56; a supporting spring 34 is arranged between the insulating block 33 and the inner bottom surface of the accommodating groove 56; the bottom surface of the insulating block 33 is provided with a plug hole 35 which is matched with the conductor bar 3 in a plug manner; the inner top surface of the plug hole 35 is provided with a first conductor column 36 in a penetrating way; the insulating block 33 is provided on its peripheral side with a rack 37 in meshing engagement with the gear 8.

The side surface of the circumference of the insulating block 33 is provided with a jack 38 which is in plug-in fit with the inserted link 6; an electromagnetic coil 39 is arranged inside the guide tube 5; the end of the inserted link 6 is provided with an armature post 40; the side surface of the mounting box 2 is fixedly connected with a supporting plate 41; the surface of the supporting plate 41 is fixedly connected with a storage battery 42 and a controller 43 in sequence; the controller 43 includes a GPS communication unit communicatively connected to the terminal; the output end of the GPS communication unit is electrically connected with a control unit; the control unit input is electrically connected to the first pressure sensor 13 and its output is electrically connected to the solenoid 39.

The second working principle of this embodiment: the handle 30 is held to drive the sliding plate 17 to move, so that the positioning rod 19 is pulled into the limit groove 18 through the connecting rope 24, the sliding rod 15 is inserted into the guide groove 10, the positioning holes 11 on each group of rotating parts 7 are positioned at different positions, the specific positions of the positioning holes are determined according to the corresponding numbers of the positioning holes, the unlocking part 14 is rotated by the contrast dial 31, so that the positioning rod 6 is aligned to the positioning holes 11, the positioning rod 19 is driven to be abutted against the first pressure touch sensor 13 under the elastic reset force of the extrusion spring 20, the control unit controls the electromagnetic coil 39 to electrically attract the armature column 40, the inserting rod 6 is pulled out of the jack 38, the lifting part 4 is driven to descend under the elastic reset force of the supporting spring 34, the quick connection of the ground wire is realized, the forced use of the ground wire according to the numbers can be ensured, the ground wire management work is strictly carried out according to the flow and regulation system, and the occurrence of personal safety accidents is avoided; when the judging module receives the electric signals of the second pressure sensor 20 and the third pressure sensor 21, namely, the inserting rod 6 is stored in the guide tube 5, the inserting rod 6 is driven to abut against the guide groove 10 under the elastic acting force of the second reset spring 57, namely, an operator does not determine the specific position of the inserting rod according to the corresponding number of the inserting rod, the control module controls the alarm to give an alarm, meanwhile, the judging module transmits the electric signals to the terminal through the transmitting module, and the terminal transmits the signals to the GPS communication unit through communication, so that the internal power failure of the installation box 1 is controlled through the control unit, the state that the electromagnetic coil 39 is kept in a power failure state is ensured, forced locking measures are realized, and personal safety accidents are avoided.

Example III

Referring to fig. 1-13, the third embodiment is modified based on the second embodiment, specifically, an upper baffle 44 is fixedly connected to the inner wall of the mounting box 2 above the guide tube 5, and a lower baffle 45 is fixedly connected to the inner bottom surface of the mounting box right below the rack 37; the upper baffle 44 and the lower baffle 45 are provided with fourth pressure sensors; the surface of the controller 43 is provided with an upper indicator lamp 46 and a lower indicator lamp 47 in sequence; the control unit input is electrically connected to the two fourth pressure sensors, respectively, and its output is electrically connected to the upper indicator lamp 46 and the lower indicator lamp 47, respectively.

The third working principle of the embodiment: when the lifting piece 4 descends to be abutted against the inner bottom surface of the installation box 2, the rack 37 presses against a fourth pressure sensor on the surface of the lower baffle 45, and the corresponding fourth pressure sensor transmits a pressure signal to the control unit, so that the control unit controls the lower indicator lamp 47 to be electrically operated to warn people that the ground wire is connected; when the lifting member 4 rises to abut against the fourth pressure sensor on the bottom surface of the upper baffle plate 44, the corresponding fourth pressure sensor transmits a pressure signal to the control unit, so that the upper indicator lamp 46 is controlled to be powered on by the control unit to warn people that the ground wire is disconnected.

Example IV

Referring to fig. 1-13, the fourth embodiment is an improvement on the basis of the second embodiment, specifically, an upper guide wheel 48 and a lower guide wheel 49 are sequentially rotatably disposed on the inner wall of the installation box 2 from top to bottom; the inner wall of the mounting box 2 is uniformly and rotatably provided with a fixed pulley 50 between the upper guide wheel 48 and the lower guide wheel 49; a movable pulley 51 is rotatably arranged between the adjacent fixed pulleys 50 on the inner wall of the mounting box 2; the inner wall of the mounting box 2 is uniformly provided with sliding grooves 52; the movable pulley 51 is rotatably provided with a mounting seat 53 which is in sliding fit with the sliding groove 52; a second return spring 57 is fixedly connected between the mounting seat 53 and the inner wall of the sliding groove 52; the two opposite side surfaces of the mounting seat 53 are provided with sliding rails 56 which are in sliding fit with the sliding grooves 52; a second conductor column 54 is arranged on the inner top of the mounting box 2 in a penetrating way; one end of the second conductor post 54 is electrically connected with an outer ground cable 55, and the other end thereof is electrically connected with an inner ground cable 28 passing through the upper guide wheel 48, the fixed pulley 50, the movable pulley 51 and the lower guide wheel 49 in order; the other end of the inner ground cable 28 is electrically connected to the first conductor post 36.

The fourth working principle of the embodiment is as follows: in the process that the lifting piece 4 descends, one end of the inner ground wire cable 28 is pulled to descend, so that each group of movable pulleys 51 is driven to move towards the fixed pulleys 50 along the sliding grooves 52, the second reset springs 57 are compressed, and when the lifting piece 4 ascends, under the elastic reset acting force of the second reset springs 57, the movable pulleys 51 are driven to reset to tension the inner ground wire cable 28, so that the lifting piece 4 is ensured to normally ascend and descend, meanwhile, the inner ground wire cable 28 is prevented from being wound, the normal use of the device is influenced, and the practicability of the device is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the present application may occur to one skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The earth wire grounding end for overhauling the power transformation and distribution line comprises a grounding pile (1) and an installation box (2) fixed on the surface of the grounding pile (1); the method is characterized in that:

the surface of the grounding pile (1) is provided with a conductor bar (3) penetrating through the inner bottom surface of the mounting box (2); a lifting piece (4) is arranged between the inner walls of the mounting box (2) in a sliding manner; a rotating piece (7) meshed with the lifting piece (4) is arranged between the inner walls of the mounting box (2) in a penetrating and rotating way; a guide pipe (5) is arranged on the side surface of the installation box (2) in a penetrating way; an inserting rod (6) which is in plug-in fit with the lifting piece (4) is arranged in the guide tube (5) in a sliding manner; a first reset spring (58) is connected between the end part of the inserted link (6) and the guide pipe (5);

the rotating piece (7) comprises a gear (8) meshed with the lifting piece (4); the two side surfaces of the gear (8) are fixedly connected with a rotating rod (9) which is in running fit with the inner wall of the installation box (2); a guide groove (10) is formed at the end part of the rotating rod (9); the periphery of the rotating rod (9) is provided with a locating hole (11), and the periphery is fixedly connected with an L-shaped plate (12); the end part of the L-shaped plate (12) is fixedly connected with a first pressure sensor (13); an unlocking piece (14) is slidably arranged in the guide groove (10).

2. The power transmission and distribution line service ground wire grounding terminal according to claim 1, wherein: the unlocking piece (14) comprises a sliding rod (15) which is arranged in the guide groove (10) in a sliding manner; the end part of the sliding rod (15) is fixedly connected with a connecting frame (16); a sliding plate (17) is arranged between the inner walls of the connecting frames (16) in a sliding manner; a limiting groove (18) is formed in the sliding rod (15); a positioning rod (19) which is in plug-in fit with the positioning hole (11) is slidably arranged in the limiting groove (18); the two ends of the positioning rod (19) are respectively provided with a second pressure sensor (20) and a third pressure sensor (21); an extrusion spring (22) is arranged between one end of the positioning rod (19) and the limiting groove (18); a rope guide groove (23) is formed in the sliding rod (15); a connecting rope (24) is arranged in the rope guide groove (23) in a penetrating way; two ends of the connecting rope (24) are respectively connected with the sliding plate (17) and the positioning rod (19).

3. The substation line maintenance ground connection terminal according to claim 2, wherein: an electric control box (25) is fixedly arranged in the connecting frame (16); a control module, a judging module, a transmitting module, an alarm and a battery pack are sequentially arranged in the electric control box (25); the input end of the control module is respectively and electrically connected with the second pressure sensor and the third pressure sensor, and the output end of the control module is respectively and electrically connected with the judging module and the alarm; the judging module is electrically connected with the transmitting module; the transmitting module is connected with the terminal through communication.

4. The substation line maintenance ground connection terminal according to claim 2, wherein: sliding grooves (26) are symmetrically formed in two sides of the inner wall of the connecting frame (16); a guide rod (27) is arranged between the inner walls of the sliding grooves (26); the sliding plate (17) is in sliding fit with the guide rod (27); a connecting spring (29) sleeved on the corresponding guide rod (27) is connected between the side surface of the sliding plate (17) and the inner wall of the sliding groove (26); the side surface of the guide plate (28) is provided with a handle (30).

5. The substation line maintenance ground connection terminal according to claim 2, wherein: a dial (31) is arranged at the end part of the rotating rod (9); the side face of the periphery of the sliding rod (15) is provided with a pointer (32).

6. The power transmission and distribution line service ground wire grounding terminal according to claim 1, wherein: the lifting piece (4) comprises an insulating block (33) which is arranged between the inner walls of the mounting box (2) in a sliding manner; the bottom surface of the insulating block (33) is symmetrically provided with a storage groove (56); a supporting spring (34) is arranged between the insulating block (33) and the inner bottom surface of the accommodating groove (56); a plugging hole (35) which is plugged and matched with the conductor bar (3) is formed in the bottom surface of the insulating block (33); the inner top surface of the plug hole (35) is provided with a first conductor column (36) in a penetrating way; the peripheral side surface of the insulating block (33) is provided with a rack (37) which is meshed and matched with the gear (8).

7. The power transmission and distribution line service ground wire grounding terminal according to claim 6, wherein: the peripheral side surface of the insulating block (33) is provided with a jack (38) which is in plug-in fit with the plug rod (6); an electromagnetic coil (39) is arranged in the guide tube (5); an armature column (40) is arranged at the end part of the inserted link (6); a supporting plate (41) is fixedly connected to the side surface of the installation box (2); the surface of the supporting plate (41) is fixedly connected with a storage battery (42) and a controller (43) in sequence; the controller (43) comprises a GPS communication unit in communication connection with a terminal; the output end of the GPS communication unit is electrically connected with a control unit; the control unit input is electrically connected to the first pressure sensor (13) and its output is electrically connected to the solenoid (39).

8. The power distribution line service ground wire grounding terminal of claim 7, wherein: an upper baffle (44) is fixedly connected to the inner wall of the installation box (2) above the guide pipe (5), and a lower baffle (45) is fixedly connected to the inner bottom surface of the installation box right below the rack (37); the upper baffle (44) and the lower baffle (45) are respectively provided with a fourth pressure sensor; an upper indicator lamp (46) and a lower indicator lamp (47) are sequentially arranged on the surface of the controller (43); the input end of the control unit is respectively and electrically connected with the two fourth pressure sensors, and the output end of the control unit is respectively and electrically connected with the upper indicator lamp (46) and the lower indicator lamp (47).

9. The power transmission and distribution line service ground wire grounding terminal according to claim 6, wherein: an upper guide wheel (48) and a lower guide wheel (49) are sequentially arranged on the inner wall of the installation box (2) in a rotating manner from top to bottom; the inner wall of the installation box (2) is positioned between the upper guide wheel (48) and the lower guide wheel (49) and uniformly provided with a fixed pulley (50) in a rotating way; a movable pulley (51) is rotatably arranged between the adjacent fixed pulleys (50) on the inner wall of the mounting box (2); sliding grooves (52) are uniformly formed in the inner wall of the mounting box (2); the movable pulley (51) is rotatably provided with a mounting seat (53) which is in sliding fit with the sliding groove (52); a second reset spring (57) is fixedly connected between the mounting seat (53) and the inner wall of the sliding groove (52); two opposite side surfaces of the mounting seat (53) are respectively provided with a sliding rail (56) which is in sliding fit with the sliding groove (52); a second conductor column (54) is arranged at the inner top of the installation box (2) in a penetrating way; one end of the second conductor column (54) is electrically connected with an outer ground wire cable (55), and the other end of the second conductor column is electrically connected with an inner ground wire cable (28) which sequentially passes through the upper guide wheel (48), the fixed pulley (50), the movable pulley (51) and the lower guide wheel (49); the other end of the inner ground cable (28) is electrically connected with the first conductor post (36).