CN215527957U

CN215527957U - Grounding device for overhead insulated conductor

Info

Publication number: CN215527957U
Application number: CN202022901259.7U
Authority: CN
Inventors: 沈庆杰
Original assignee: Jiangsu Tianli Cable Co ltd
Current assignee: Jiangsu Tianli Cable Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-01-14
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a grounding device for an overhead insulated wire, which comprises a support plate, a grounding electrode, a grounding wire and a clamping piece, wherein brake rollers are arranged at four corners of the bottom end of the support plate, a connecting piece, a box body, two limiting pieces and two bases are fixed at the top end of the support plate, slots matched with inclined rods are formed at the top ends of the two bases, screw holes matched with limiting bolts are formed in the side walls of the two bases and the inclined rods, a handle rod is fixed between the two inclined rods, a coiling piece is arranged between the two limiting pieces, the connecting piece is positioned between the coiling piece and the box body, the grounding electrode is fixed in the connecting piece, the bottom end of the grounding electrode penetrates through the support plate, the top end of the grounding electrode is connected with the grounding wire, and one end, far away from the grounding electrode, of the grounding wire is connected with the clamping piece. This a earthing device for built on stilts insulated wire, convenient and built on stilts insulated wire's connection makes things convenient for holistic removal.

Description

Grounding device for overhead insulated conductor

Technical Field

The utility model belongs to the technical field of grounding devices, and particularly relates to a grounding device for an overhead insulated conductor.

Background

The overhead line is a line which is relative to a cable and is formed by arranging a lead frame at a certain height through a tower to transmit electric energy. The ground insulation of the overhead lines of the high-voltage transmission and distribution network generally depends on air, the prior distribution lines (under 10kV except 380V) generally adopt bare conductors, but because the urban distribution environment is complex, the conditions of short circuit grounding and lightning stroke lines often occur, and the power supply reliability is reduced, the overhead lines under 10kV generally adopt insulated conductors (namely, the insulating layer is wrapped on the outer layer of the conductor), and the overhead lines are so-called insulated overhead lines. Overhead lines are divided into low voltage and high voltage, and the general types are divided into a plurality of types, for example, for street lamp overhead lines, JKLYJ 10KVA 50 100, which describes the voltage, type, material, cross-sectional area and length of the core of the overhead line. Overhead insulated conductor generally need use earthing device at the in-process of overhauing, and general earthing device is inconvenient in the in-process of using and is connected with overhead insulated conductor to be unfavorable for with overhead insulated conductor separation, influence overhead insulated conductor's maintenance.

Therefore, in order to meet the current situation, the design and production of a grounding device for an overhead insulated conductor are urgently needed to meet the requirements of practical use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a grounding device for an overhead insulated conductor that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme: a grounding device for an overhead insulated conductor comprises a support plate, a grounding electrode, a grounding wire and a clamping piece, wherein brake rollers are mounted at four corners of the bottom end of the support plate, a connecting piece, a box body, two limiting pieces and two bases are fixed at the top end of the support plate, slots matched with inclined rods are formed in the top ends of the two bases, screw holes matched with limiting bolts are formed in the side walls of the two bases and the inclined rods, a handle rod is fixed between the two inclined rods, a coiling piece is arranged between the two limiting pieces, the connecting piece is positioned between the coiling piece and the box body, the grounding electrode is fixed in the connecting piece, the bottom end of the grounding electrode penetrates through the support plate, the top end of the grounding electrode is connected with the grounding wire, and one end, away from the grounding electrode, of the grounding wire is connected with the clamping piece;

the connecting piece comprises a sleeve, a locking bolt and a flange, the flange is integrally formed at the bottom end of the sleeve, two screw holes matched with the bolt are formed in the flange, the screw holes matched with the locking bolt are formed in the side wall of the sleeve, and the end part of the locking bolt is abutted to the grounding electrode;

the holder includes guide arm, shell and conducting strip, be equipped with the movable block in the shell, the bottom integrated into one piece of shell has the sleeve pipe, the screw with the bolt adaptation is seted up to the sheathed tube lateral wall, and the tip and the earth connection of bolt offset, the bottom of movable block and the bottom of the inside of shell all are fixed with the conducting strip, the top of movable block is fixed with guide arm and two connecting rods, two all the cover has first spring on the connecting rod, the top of guide arm is run through the shell and is connected, two with the pull ring the shell is all run through on the top of connecting rod.

Preferably, the limiting part comprises a T-shaped insert block, an outer frame and a U-shaped handle bar, the handle bar penetrates through the outer frame and the two second springs and is connected with the insert block, and one end, far away from the handle bar, of the insert block penetrates through the outer frame.

Preferably, the rolling piece includes support, rocking handle and drum, the support comprises two risers and the diaphragm of welding between two risers, the drum is located between two risers, the both ends of drum rotate with two risers respectively and are connected, the one end of rocking handle runs through one of them riser and is connected with the one end of drum, the lateral wall that the diaphragm was kept away from to two risers all offer with the draw-in groove of inserted block adaptation.

Preferably, the side wall of one of the vertical plates is provided with a screw hole matched with the fastening bolt, and the side wall of the wire coil is provided with a plurality of slots matched with the fastening bolt.

Preferably, the top end of the box body is connected with a box cover through a hinge, and a foam pad with a plurality of grooves is fixed inside the box body.

The utility model has the technical effects and advantages that: according to the grounding device for the overhead insulated conductor, the brake roller is locked after the whole body is moved to an area needing to be detected through the brake roller, the locking bolt is unscrewed, the bottom end of the grounding electrode is penetrated into the soil, the guide rod is lifted upwards, the shell is sleeved on the overhead insulated conductor and then the guide rod is loosened, the movable block and the conducting strips at the bottom ends of the movable blocks can be pushed to move towards the other conducting strip in the resetting process of the first springs on the two connecting rods, the two conducting strips can clamp the overhead insulated conductor, the connection between the overhead insulated conductor and the grounding wire is facilitated, the clamping of the overhead insulated conductor can be relieved by only lifting the guide rod, and the grounding wire and the overhead insulated conductor can be quickly separated; wave the rocking handle, the rocking handle drives the drum rotatory, conveniently carries out the rolling to earth connection, and the box body can be accomodate and protect the holder, makes things convenient for holistic removal, this a earthing device for overhead insulated conductor, convenient and overhead insulated conductor's being connected, makes things convenient for holistic removal.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of a position limiting element according to the present invention;

FIG. 3 is a schematic view of the construction of the connector of the present invention;

fig. 4 is a front view of the clamp of the present invention.

In the figure: the device comprises a diagonal rod 1, a limiting bolt 2, a limiting piece 3, an insertion block 30, an outer frame 31, a second spring 32, a handle 33, a connecting piece 4, a sleeve 40, a locking bolt 41, a flange 42, a support plate 5, a grounding electrode 50, a coiling piece 6, a support 7, a rocking handle 8, a wire coil 9, a fastening bolt 10, a grounding wire 11, a box 12, a clamping piece 13, a guide rod 14, a connecting rod 15, a movable block 16, a shell 17, a conductive sheet 18 and a sleeve 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless otherwise indicated, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the utility model is directed.

The utility model provides a grounding device for an overhead insulated conductor, as shown in figures 1-4, comprising a support plate 5, a grounding electrode 50, a grounding wire 11 and a clamping piece 13, the four corners of the bottom end of the support plate 5 are all provided with brake rollers, the top end of the support plate 5 is fixed with a connecting piece 4, a box body 12, two limiting pieces 3 and two bases, the top ends of the two bases are respectively provided with a slot matched with the inclined rod 1, the side walls of the two bases and the inclined rods 1 are respectively provided with a screw hole matched with the limiting bolt 2, a handle bar is welded between the two inclined rods 1, a coiling piece 6 is arranged between the two limiting pieces 3, the connecting piece 4 is positioned between the rolling piece 6 and the box body 12, a grounding electrode 50 is fixed in the connecting piece 4, the bottom end of the grounding electrode 50 penetrates through the support plate 5, the top end of the grounding electrode 50 is connected with a grounding wire 11 through a bolt, and one end, far away from the grounding electrode 50, of the grounding wire 11 is connected with the clamping piece 13;

the connecting piece 4 comprises a sleeve 40, a locking bolt 41 and a flange 42, the flange 42 is integrally formed at the bottom end of the sleeve 40, two screw holes matched with the bolt are formed in the flange 42, the screw holes matched with the locking bolt 41 are formed in the side wall of the sleeve 40, and the end part of the locking bolt 41 is abutted to the grounding electrode 50;

holder 13 includes guide arm 14, shell 17 and conducting strip 18, be equipped with movable block 16 in the shell 17, the bottom integrated into one piece of shell 17 has sleeve pipe 19, the screw with the bolt adaptation is seted up to sleeve pipe 19's lateral wall, and the tip of bolt offsets with earth connection 11, conducting strip 18 has all been welded to the bottom of movable block 16's bottom and the bottom of the inside of shell 17, the top welding of movable block 16 has guide arm 14 and two connecting rods 15, two all the cover has first spring on the connecting rod 15, the top of guide arm 14 runs through shell 17 and welds with the pull ring, two the shell 17 is all run through on the top of connecting rod 15.

Specifically, the limiting member 3 includes a T-shaped insertion block 30, an outer frame 31 and a U-shaped handle bar 33, the handle bar 33 penetrates through the outer frame 31 and the two second springs 32 and is welded to the insertion block 30, one end of the insertion block 30, which is far away from the handle bar 33, penetrates through the outer frame 31, and the two handle bars 33 are pulled, so that the support 7 can be released from being fixed, and the support 7 and the wound ground wire 11 can be conveniently taken down from the support plate 5.

Specifically, the coiling part 6 includes support 7, rocking handle 8 and drum 9, support 7 comprises two risers and the diaphragm of welding between two risers, drum 9 is located between two risers, the both ends of drum 9 rotate with two risers respectively and are connected, one end of rocking handle 8 runs through one of them riser and welds with the one end of drum 9, and the draw-in groove with the 30 adaptations of inserted block is all seted up to the lateral wall that the diaphragm was kept away from to two risers.

Specifically, the side wall of one of the vertical plates is provided with a screw hole matched with the fastening bolt 10, the side wall of the wire coil 9 is provided with a plurality of slots matched with the fastening bolt 10, and the grounding wire 11 which is wound well is prevented from loosening due to rotation of the wire coil 9 in the moving process.

Specifically, the top of the box body 12 is connected with a box cover through a hinge, and a foam pad with a plurality of grooves is bonded inside the box body 12.

The working principle of the grounding device for the overhead insulated conductor is that the brake roller is locked after the whole body is moved to an area needing to be detected through the brake roller, the locking bolt 41 is unscrewed, the bottom end of the grounding electrode 50 is pricked into the soil, the locking bolt 41 is screwed, the guide rod 14 is lifted upwards, the guide rod 14 is loosened after the shell 17 is sleeved on the overhead insulated conductor, the guide rod 14 can be pushed to move the conductive plates 18 at the bottoms of the

movable blocks

16 and 16 to the other conductive plate 18 in the process of resetting the first springs on the two connecting rods 15, the overhead insulated conductor can be clamped by the two conductive plates 18, the connection between the overhead insulated conductor and the grounding wire 11 is convenient, the clamping of the overhead insulated conductor can be released only by lifting the guide rod 14, the quick separation between the grounding wire 11 and the overhead insulated conductor is convenient, the rocking handle 8 is rocked, the rocking handle 8 drives the wire coil 9 to rotate, the grounding wire 11 is convenient to wind up, the clamping piece 13 and the maintenance tool can be stored and protected by the box body 12, the integral movement is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A grounding device for an overhead insulated conductor, comprising a support plate (5), a grounding electrode (50), a grounding wire (11) and a clamping piece (13), characterized in that: the four corners of the bottom end of the support plate (5) are respectively provided with a brake roller, the top end of the support plate (5) is fixedly provided with a connecting piece (4), a box body (12), two limiting pieces (3) and two bases, the top ends of the two bases are respectively provided with a slot matched with the inclined rod (1), the side walls of the two bases and the inclined rod (1) are respectively provided with a screw hole matched with the limiting bolt (2), a handle rod is fixed between the two inclined rods (1), a coiling piece (6) is arranged between the two limiting pieces (3), the connecting piece (4) is positioned between the rolling piece (6) and the box body (12), an earth electrode (50) is fixed in the connecting piece (4), the bottom end of the earth electrode (50) penetrates through the support plate (5), the top end of the grounding electrode (50) is connected with a grounding wire (11), and one end, far away from the grounding electrode (50), of the grounding wire (11) is connected with the clamping piece (13);

the connecting piece (4) comprises a sleeve (40), a locking bolt (41) and a flange (42), the flange (42) is integrally formed at the bottom end of the sleeve (40), two screw holes matched with the bolt are formed in the flange (42), the screw holes matched with the locking bolt (41) are formed in the side wall of the sleeve (40), and the end part of the locking bolt (41) is abutted to the grounding electrode (50);

holder (13) include guide arm (14), shell (17) and conducting strip (18), be equipped with movable block (16) in shell (17), the bottom integrated into one piece of shell (17) has sleeve pipe (19), the screw with the bolt adaptation is seted up to the lateral wall of sleeve pipe (19), and the tip and the earth connection (11) of bolt offset, the bottom of movable block (16) and the bottom of the inside of shell (17) all are fixed with conducting strip (18), the top of movable block (16) is fixed with guide arm (14) and two connecting rods (15), two it has first spring all to overlap on connecting rod (15), the top of guide arm (14) runs through shell (17) and is connected, two shell (17) is all run through on the top of connecting rod (15).

2. The grounding device for an overhead insulated conductor of claim 1, wherein: the limiting part (3) comprises a T-shaped insert block (30), an outer frame (31) and a U-shaped handle rod (33), the handle rod (33) penetrates through the outer frame (31) and the two second springs (32) and is connected with the insert block (30), and one end, far away from the handle rod (33), of the insert block (30) penetrates through the outer frame (31).

3. The grounding device for an overhead insulated conductor of claim 1, wherein: the coiling part (6) comprises a support (7), a rocking handle (8) and a wire coil (9), the support (7) is composed of two vertical plates and transverse plates welded between the two vertical plates, the wire coil (9) is located between the two vertical plates, two ends of the wire coil (9) are respectively connected with the two vertical plates in a rotating mode, one end of the rocking handle (8) runs through one vertical plate and is connected with one end of the wire coil (9), and the side walls, far away from the transverse plates, of the two vertical plates are provided with clamping grooves matched with the insertion blocks (30).

4. A grounding device for an overhead insulated conductor according to claim 3, characterized in that: the side wall of one of the vertical plates is provided with a screw hole matched with the fastening bolt (10), and the side wall of the wire coil (9) is provided with a plurality of slots matched with the fastening bolt (10).

5. The grounding device for an overhead insulated conductor of claim 1, wherein: the top of the box body (12) is connected with a box cover through a hinge, and a foam pad with a plurality of grooves is fixed inside the box body (12).