CN221379062U

CN221379062U - Tensioning porcelain insulator with grounding device

Info

Publication number: CN221379062U
Application number: CN202322995594.1U
Authority: CN
Inventors: 刘兵初; 郭达; 颜建
Original assignee: Jiangxi Xinghuo Electric Technology Co ltd
Current assignee: Jiangxi Xinghuo Electric Technology Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-07-19
Anticipated expiration: 2033-11-07

Abstract

The utility model discloses a tensioning porcelain insulator with a grounding device, which relates to the technical field of insulators and comprises a tensioning porcelain insulator, wherein a grounding protection box is arranged at the lower end of the tensioning porcelain insulator, a grounding connecting rod is of a concave structure which rotates ninety degrees clockwise, the grounding connecting rod is fixed at one end of the grounding connecting rod, which penetrates through a notch, when equipment is overhauled, the grounding connecting rod stretches into the grounding protection box along the notch at the lower end of the grounding protection box, the upper end of the grounding connecting rod moves to the upper end of a copper bar conductor, the grounding connecting rod moves to the right side to move to the right upper end of the copper bar conductor, the grounding connecting rod is downwards moved to be connected with the copper bar conductor, the equipment is grounded by utilizing the grounding connecting rod and the grounding connecting rod, a limiting pressing block is abutted against the upper surface of the grounding connecting rod by screwing an adjusting screw rod, the grounding connecting rod is tightly contacted with the copper bar conductor, the equipment is kept in a grounding state at the moment, and the safety of the equipment is improved when overhauling.

Description

Tensioning porcelain insulator with grounding device

Technical Field

The utility model relates to the technical field of insulators, in particular to a tensioning porcelain insulator with a grounding device.

Background

The insulator is a special insulating control piece, can play an important role in overhead transmission lines, is usually made of glass or ceramic for increasing creepage distance, is used in alternating current transmission lines, and is used for insulating a pole stay wire or a tensioning wire.

Disclosure of utility model

The utility model aims to provide a tensioning porcelain insulator with a grounding device, which is used for solving the problem that the potential safety hazard is increased due to the fact that a grounding rod is not firmly fixed with a hardware fitting.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a taut porcelain insulator with earthing device, includes taut porcelain insulator, the lower extreme of taut porcelain insulator is provided with ground connection guard box, and the right-hand member fixed with the connection gold piece of taut porcelain insulator, the lower fixed surface of connection gold piece has the conducting rod, the conducting rod is L shape, and the one end activity of conducting rod stretches into the inside of ground connection guard box, the one end that the conducting rod activity stretches into ground connection guard box inside is fixed with the copper bar conductor, the spacing groove has been seted up to the upper surface of copper bar conductor, and the lower extreme inner wall in spacing groove offsets with the upper end inner wall of ground connection pole, the upper surface block of ground connection pole is the ninety degrees recess structure of clockwise rotation, the notch has been seted up to the lower extreme of ground connection guard box, the one end that the copper bar conductor was kept away from to the ground connection pole passes the notch setting, and the one end that the ground connection pole passed the notch is fixed with the ground connection pole.

Preferably, the surfaces of the outer rings of the left end and the right end of the tensioning porcelain insulator are respectively fixed with an insulating bracket, and the grounding protection box is fixed on the inner side walls of the lower ends of the two groups of insulating brackets.

Preferably, the electric insulating ring is tested to the one end outer lane department that the conducting rod is close to taut porcelain insulator, tests that the electric insulating ring is the concave shape structure, tests that the one end fixed mounting that the electric insulating ring is close to the ground connection connecting rod has the insulator spindle, the lower extreme fixed mounting of insulator spindle is on the surface of conducting rod, test that electric insulating ring and insulator spindle all set up in the inside of ground connection guard box.

Preferably, the upper surface of ground guard box has seted up the screw hole, and the inside spiro union of screw hole has adjusting screw, connecting hole has been seted up to the upper surface of spacing briquetting, and adjusting screw's lower extreme rotates to be connected in the connecting hole, and the rotatory hole has been seted up to the lower extreme of connecting hole, and the rotatory hole is provided with the inside of spacing briquetting, and the internal diameter of rotatory hole is greater than the internal diameter of connecting hole, adjusting screw's lower surface is fixed with the rotary rod, and the rotary rod rotates and set up in the rotatory hole.

Preferably, the inside of taut porcelain insulator has been seted up the sliding tray, and the sliding tray runs through the both ends of taut porcelain insulator simultaneously, and the sliding tray slides and is provided with two tensioning rods, two the one end that tensioning rod kept away from each other is all fixed and is provided with the cable pull ring, and the middle section of sliding tray is provided with the expansion tank, and the diameter of expansion tank is greater than the diameter of sliding tray, two through taut spring fixed connection between the one end that tensioning rod is close to each other, two the one end outer lane department that tensioning rod is close to each other is all fixed and is provided with the extrusion seat, the extrusion seat slides and sets up in the expansion tank, two connect through telescopic assembly between the extrusion seat, and telescopic assembly includes movable sleeve rod and flexible interior rod, flexible interior rod slides and sets up in the movable sleeve rod, the one end that telescopic interior rod and movable sleeve rod kept away from each other is fixed connection in the extrusion seat surface that corresponds respectively, the sliding tray has been seted up to the both sides face of taut porcelain insulator, tensioning rod sliding connection is in the sliding tray, the interior end surface fixation of tensioning rod has the extrusion seat, left side the inside the extrusion seat on the tensioning rod the side the inner side the telescopic sleeve rod has the extrusion sleeve rod.

Preferably, the one end that movable loop bar was close to flexible interior pole is provided with the spout, and the spout runs through the outer lane department of two pairs of vertical positions of movable loop bar simultaneously, flexible interior pole is close to the fixed interior pole limiting plate that is provided with in one end outer lane department of movable loop bar, interior pole limiting plate slides and sets up in the spout, the movable loop bar is close to the fixed outer pole limiting plate that is provided with in one end outer lane department of flexible interior pole, the upper and lower surface all is fixed with interior pole limiting plate near interior pole limiting plate one side tip of flexible interior pole, interior pole limiting plate slides in the spout, movable loop bar is close to flexible interior pole one side tip outer lane fixed surface and is equipped with outer pole limiting plate, interior pole limiting plate is rectangular structure, outer pole limiting plate is circular ring column structure, interior pole one side terminal surface is kept away from to flexible interior pole limiting plate and outer pole limiting plate one side terminal surface flushes mutually.

The utility model has the technical effects and advantages that:

1. The cable is fixed on the surface of the cable pull ring, when the cable pull force is too large, the tensioning rod moves outwards to enable the tensioning spring to stretch outwards to form pull force buffering, the tensioning porcelain insulator is protected, meanwhile, the telescopic inner rod slides in the movable sleeve rod, the maximum displacement value of the tensioning rod is limited by the inner rod limiting plate and the outer rod limiting plate, the tensile strength of the tensioning porcelain insulator is improved, the tensioning porcelain insulator is prevented from being damaged due to too strong pull force, and the service life is prolonged;

2. When equipment is overhauled, the grounding connecting rod stretches into the grounding protection box along the notch at the lower end of the grounding protection box, the upper end part of the grounding connecting rod moves to the upper end of the copper bar conductor, the grounding connecting rod moves to the right side to enable the grounding connecting rod to move to the right upper end of the copper bar conductor, the grounding connecting rod moves downwards to connect the grounding connecting rod with the copper bar conductor, the equipment is grounded by utilizing the grounding connecting rod and the grounding rod, the limiting pressing block is abutted against the upper surface of the grounding connecting rod by the threaded adjusting screw rod, so that the grounding connecting rod is in close contact with the copper bar conductor, the equipment is kept in a grounding state at all times, and the safety of the equipment during overhauling is improved.

3. The electric insulator ring is connected with the conductive rod through the connecting gold piece, the electric insulator ring is installed on the conductive rod, the electric insulator ring is connected with the conductive rod through the insulating rod, and the grounding wire can be installed on the electric insulator ring, so that other circuits or equipment to be overhauled are grounded, the electric shock danger of workers is effectively prevented, the electric shock accident prevention measures of power distribution are positively acted, the problem of how to prevent the personal electric shock of the workers is solved, the operation procedure of the operators is simplified, the operation time is shortened, the power supply reliability is indirectly improved, and the electric shock prevention device is suitable for popularization.

Drawings

FIG. 1 is a schematic view of a construction of a tension porcelain insulator with a grounding device according to the present utility model.

FIG. 2 is a schematic diagram of a connection structure between a gold part and a grounding rod according to the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a according to the present utility model.

FIG. 4 is a schematic illustration of the structure of the porcelain insulator of the present utility model in front cut-away.

Fig. 5 is an enlarged view of the structure of fig. 4 at B in accordance with the present utility model.

In the figure: 1. tensioning the porcelain insulator; 2. a cable pull ring; 3. an insulating support; 4. a ground protection box; 5. connecting a gold piece; 6. a conductive rod; 7. an electrical testing insulating ring; 8. an insulating rod; 9. a copper bar conductor; 10. a grounding connecting rod; 11. limiting pressing blocks; 12. adjusting a screw; 13. a grounding rod; 14. a tension rod; 15. tensioning the spring; 16. extruding a base; 17. a movable loop bar; 18. a telescopic inner rod; 19. an inner rod limiting plate; 20. and the outer rod limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a tensioning porcelain insulator with a grounding device, as shown in figures 1-5, which comprises a tensioning porcelain insulator 1, wherein the lower end of the tensioning porcelain insulator 1 is provided with a grounding protection box 4, the surfaces of the outer rings of the left end and the right end of the tensioning porcelain insulator 1 are both fixed with insulating brackets 3, the grounding protection box 4 is fixed on the inner side walls of the lower ends of two groups of insulating brackets 3, the right end of the tensioning porcelain insulator 1 is fixed with a connecting gold piece 5, the lower surface of the connecting gold piece 5 is fixed with a conducting rod 6, the conducting rod 6 is L-shaped, one end of the conducting rod 6 movably stretches into the grounding protection box 4 is fixed with a copper bar conductor 9, the upper surface of the copper bar conductor 9 is provided with a limiting groove, the inner wall of the lower end of the limiting groove is abutted against the inner wall of the upper end of a grounding connecting rod 10, the grounding connecting rod 10 is in a concave structure which rotates ninety degrees clockwise, the upper surface of the grounding connecting rod 10 is provided with a limiting pressing block 11 in a clamping way, the lower end of the grounding protecting box 4 is provided with a notch, one end of the grounding connecting rod 10, which is far away from the copper bar conductor 9, passes through the notch, one end of the grounding connecting rod 10, which passes through the notch, is fixedly provided with a grounding rod 13, the upper surface of the grounding protecting box 4 is internally provided with a threaded hole, the inside of the threaded hole is in threaded connection with an adjusting screw 12, the upper surface of the limiting pressing block 11 is provided with a connecting hole, the lower end of the adjusting screw 12 is rotationally connected in the connecting hole, the lower end of the connecting hole is provided with a rotating hole, the rotating hole is provided with the inside of the limiting pressing block 11, the inner diameter of the rotating hole is larger than the inner diameter of the connecting hole, the lower surface of the adjusting screw 12 is fixedly provided with a rotating rod, the rotating rod is rotationally arranged in the rotating hole, after the grounding connecting rod 10 is contacted with the copper bar conductor 9, the limiting pressing block 11 is abutted against the upper surface of the grounding connecting rod 10 by screwing the adjusting screw rod 12, so that the grounding connecting rod 10 is in close contact with the copper bar conductor 9, the equipment is kept in a grounding state at all times, and the safety of equipment overhaul is improved.

The electric conducting rod 6 is close to the one end outer lane department of taut porcelain insulator 1 and installs and test electric insulating ring 7, test electric insulating ring 7 and be concave shape structure, the one end that test electric insulating ring 7 is close to ground connection connecting rod 10 fixed mounting has insulator rod 8, insulator rod 8's lower extreme fixed mounting is at the surface of conducting rod 6, test electric insulating ring 7 and insulator rod 8 all set up the inside at ground protection case 4, be connected conducting rod 6 and taut porcelain insulator 1 through connecting gold piece 5, install test electric insulating ring 7 on conducting rod 6, test electric insulating ring 7 is connected with conducting rod 6 through insulator rod 8, can install the earth connection on test electric insulating ring 7, thereby with other circuit or equipment ground connection that overhauls, in order to prevent effectively that the staff from getting an electric shock danger, have positive effect to the power distribution protection personnel electric shock accident measure, not only solved the problem how to prevent the staff's personal electric shock, operating procedure has also been simplified for operating personnel, the operating time has improved the power supply reliability indirectly.

The inside of the tensioning porcelain insulator 1 is provided with a sliding groove, the sliding groove simultaneously penetrates through two ends of the tensioning porcelain insulator 1, two tensioning rods 14 are arranged in the sliding groove in a sliding way, one ends of the two tensioning rods 14, which are far away from each other, are fixedly provided with cable pull rings 2, the middle section of the sliding groove is provided with an expansion groove, the diameter of the expansion groove is larger than that of the sliding groove, one ends of the two tensioning rods 14, which are close to each other, are fixedly connected through tensioning springs 15, the outer ring of one ends of the two tensioning rods 14, which are close to each other, are fixedly provided with extrusion seats 16, the extrusion seats 16 are arranged in the expansion groove in a sliding way, the two extrusion seats 16 are connected through a telescopic assembly, the telescopic assembly comprises a movable sleeve rod 17 and a telescopic inner rod 18, the telescopic inner rod 18 is arranged in the movable sleeve rod 17 in a sliding way, one ends of the telescopic inner rod 18 and the movable sleeve rod 17, which are far away from each other, are respectively fixedly connected to the surfaces of the corresponding extrusion seats 16, the two side surfaces of the tensioning porcelain insulator 1 are provided with sliding grooves, the tensioning rod 14 is in sliding connection with the sliding grooves, the inner end surface of the tensioning rod 14 is fixedly provided with a squeezing seat 16, the inner side surface of the squeezing seat 16 on the left tensioning rod 14 is fixedly provided with a movable sleeve rod 17, the inner side surface of the squeezing seat 16 on the right tensioning rod 14 is fixedly provided with a telescopic inner rod 18, the telescopic inner rod 18 is in sliding connection with the movable sleeve rod 17, a cable is fixed on the surface of the cable pull ring 2, when the tensioning porcelain insulator 1 is in use, the cable pull force is too large, the tensioning rod 14 moves outwards, the tensioning spring 15 stretches outwards to form pull force buffer, the tensioning porcelain insulator 1 is protected, one end of the movable sleeve rod 17, which is close to the telescopic inner rod 18, is provided with a sliding groove, and the sliding groove simultaneously penetrates through the outer ring of two opposite positions of the movable sleeve rod 17, the telescopic inner rod 18 is close to the fixed interior pole limiting plate 19 that is provided with in one end outer lane department of movable sleeve rod 17, interior pole limiting plate 19 slides and sets up in the spout, the fixed outer pole limiting plate 20 that is provided with in one end outer lane department of movable sleeve rod 17 near telescopic inner rod 18, the upper and lower surface of one side tip of telescopic inner rod 18 near interior pole limiting plate 19 all is fixed with interior pole limiting plate 19, interior pole limiting plate 19 slides in the spout, movable sleeve rod 17 is close to telescopic inner rod 18 one side tip outer lane fixed surface and is provided with outer pole limiting plate 20, interior pole limiting plate 19 is rectangular structure, outer pole limiting plate 20 is ring-shaped structure, interior pole limiting plate 19 is kept away from telescopic inner rod 18 one side terminal surface and is kept away from interior pole limiting plate 19 one side terminal surface and flushes, telescopic inner rod 18 slides in the inside of movable sleeve rod 17, utilize interior pole limiting plate 19 and outer pole limiting plate 20 to restrict the maximum displacement value of tensioning insulator 1, tensioning insulator 1's tensile strength has been improved, tensioning insulator 1 takes place to damage, life has been prolonged.

Working principle: the cable is fixed on the surface of the cable pull ring 2, when the cable pull is overlarge, the tension rod 14 moves outwards to enable the tension spring 15 to stretch outwards to form tension buffer, the tension porcelain insulator 1 is protected, meanwhile, the telescopic inner rod 18 slides in the movable sleeve rod 17, the maximum displacement value of the tension rod 14 is limited by the inner rod limiting plate 19 and the outer rod limiting plate 20, the tensile strength of the tension porcelain insulator 1 is improved, the tension porcelain insulator 1 is prevented from being damaged due to the overlarge tension, the service life is prolonged, the ground connection rod 10 stretches into the ground connection protection box 4 along the notch at the lower end of the ground connection protection box 4 when equipment is overhauled, the upper end part of the ground connection rod 10 moves to the upper end of the copper bar conductor 9, the ground connection rod 10 moves to the right side to enable the copper bar conductor 9 to move to the right upper end, the grounding connecting rod 10 is moved downwards to connect the copper bar conductor 9 with the equipment, the grounding connecting rod 10 and the grounding rod 13 are utilized to ground the equipment, the adjusting screw 12 is screwed to enable the limit pressing block 11 to be propped against the upper surface of the grounding connecting rod 10, the grounding connecting rod 10 and the copper bar conductor 9 are tightly contacted, the equipment is kept in a grounding state at all times, the safety of equipment maintenance is improved, meanwhile, the conducting rod 6 is connected with the tensioning porcelain insulator 1 through the connecting gold piece 5, the electric testing insulating ring 7 is arranged on the conducting rod 6, the electric testing insulating ring 7 is connected with the conducting rod 6 through the insulating rod 8, and the grounding wire can be arranged on the electric testing insulating ring 7, so that other circuits or equipment for maintenance are grounded to effectively prevent the electric shock danger of workers, the power distribution anti-personal electric shock accident measure has positive effects, the problem of how to prevent the workers from electric shock is solved, the operation procedure of operators is simplified, the operation time is shortened, the power supply reliability is indirectly improved, and the device is suitable for popularization.

Claims

1. A tension porcelain insulator with grounding means, comprising a tension porcelain insulator (1), characterized in that: the lower extreme of taut porcelain insulator (1) is provided with ground connection guard box (4), and the right-hand member fixed connection gold piece (5) of taut porcelain insulator (1), the lower fixed surface of connection gold piece (5) is provided with conducting rod (6), conducting rod (6) are L shape, and the one end activity of conducting rod (6) stretches into the inside of ground connection guard box (4), the one end that conducting rod (6) activity stretches into the inside of ground connection guard box (4) is fixed with copper bar conductor (9), the spacing groove has been seted up to the upper surface of copper bar conductor (9), and the lower extreme inner wall of spacing groove offsets with the upper end inner wall of ground connection connecting rod (10), the upper surface block of ground connection connecting rod (10) is clockwise rotation nine degrees concave shape structures, the upper surface block of ground connection connecting rod (10) is provided with spacing briquetting (11), the notch has been seted up to the lower extreme of ground connection guard box (4), one end that copper bar conductor (9) were kept away from to ground connection connecting rod (10) is fixed with notch (13) and ground connection connecting rod (10) is passed through.

2. A tension porcelain insulator with grounding device as defined in claim 1, wherein: the surface of the outer ring of the left end and the right end of the tensioning porcelain insulator (1) is fixedly provided with insulating brackets (3), and the grounding protection box (4) is fixed on the inner side walls of the lower ends of the two groups of insulating brackets (3).

3. A tension porcelain insulator with grounding device as defined in claim 1, wherein: the utility model discloses a porcelain insulator, including insulating rod (6), ground connection connecting rod (10), insulating rod (8), test electric insulating ring (7) and insulating rod (8) all set up the inside at ground connection guard box (4), conducting rod (6) are close to the one end outer lane department of taut porcelain insulator (1) and install and test electric insulating ring (7), test electric insulating ring (7) and be the concave structure, test electric insulating ring (7) and be close to one end fixed mounting of ground connection connecting rod (10) have insulating rod (8), the lower extreme fixed mounting of insulating rod (8) is on the surface of conducting rod (6).

4. A tension porcelain insulator with grounding device as defined in claim 1, wherein: the utility model discloses a ground protection case, including ground protection case, screw hole, adjusting screw (12) have been seted up in the upper surface of ground protection case (4), and the inside spiro union of screw hole, the connecting hole has been seted up to the upper surface of spacing briquetting (11), and the lower extreme rotation of adjusting screw (12) is connected in the connecting hole, and the rotatory hole has been seted up to the lower extreme of connecting hole, and the inside that the rotatory hole was provided with spacing briquetting (11), and the internal diameter of rotatory hole is greater than the internal diameter of connecting hole, the lower surface mounting of adjusting screw (12) has the rotary rod, and the rotary rod rotates and set up in the rotatory hole.

5. A tension porcelain insulator with grounding device as defined in claim 1, wherein: the inside of taut porcelain insulator (1) has been seted up the sliding tray, and the sliding tray runs through the both ends of taut porcelain insulator (1) simultaneously, and the sliding tray is provided with two tensioning rods (14) in the sliding tray, two the one end that tensioning rods (14) kept away from each other is all fixed to be provided with cable pull ring (2), and the middle section of sliding tray is provided with expansion groove, and the diameter of expansion groove is greater than the diameter of sliding tray, two through tensioning spring (15) fixed connection between the one end that tensioning rods (14) are close to each other, two the one end outer lane department that tensioning rods (14) are close to each other is all fixed and is provided with extrusion seat (16), extrusion seat (16) slip sets up in the expansion groove, two connect through telescopic assembly between extrusion seat (16), and telescopic assembly includes movable sleeve rod (17) and flexible interior rod (18), the one end that telescopic interior rod (18) and movable sleeve rod (17) kept away from each other is fixed connection respectively at corresponding extrusion seat (16) surface.

6. A tension porcelain insulator with grounding device as defined in claim 5, wherein: the one end that movable sleeve pole (17) is close to flexible interior pole (18) is provided with the spout, and the spout runs through the outer lane department of two pairs of positions of movable sleeve pole (17) simultaneously, the one end outer lane department that flexible interior pole (18) is close to movable sleeve pole (17) is fixed to be provided with interior pole limiting plate (19), interior pole limiting plate (19) slip sets up in the spout, the one end outer lane department that movable sleeve pole (17) is close to flexible interior pole (18) is fixed to be provided with outer pole limiting plate (20).