CN217955565U

CN217955565U - High-strength composite post insulator

Info

Publication number: CN217955565U
Application number: CN202221133746.6U
Authority: CN
Inventors: 鲍雄飞; 范廷勇; 皮华威
Original assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Current assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-12-02
Anticipated expiration: 2032-05-11

Abstract

The utility model belongs to electric power electrical apparatus field discloses a high strength composite post insulator, including the plug, the plug periphery is provided with the full skirt, the first branch of plug upper end threaded connection, first branch upper end is rotated and is connected two semicircle clamp hoops, the upper end of clamp hoop is fixed through first bolt and second nut threaded connection, be equipped with four clamp splice in the clamp hoop, the outside center of clamp splice outwards extends and is equipped with the second bolt, second bolt one end with clamp splice fixed connection, clamp hoop evenly distributed all around has four second to perforate, the second bolt other end passes on the clamp hoop the second is perforated and third nut threaded connection, the clamp hoop with be provided with the spring between the clamp splice, the spring housing is in on the second bolt, the plug lower extreme and second branch threaded connection, second branch and mount fixed connection. Thus, wires of different thicknesses can be connected, and the spring can weaken a part of torsion.

Description

High-strength composite post insulator

Technical Field

The utility model belongs to electric power electrical apparatus field, concretely relates to high strength composite post insulator.

Background

The composite post insulator is composed of three parts of a glass fiber epoxy resin drawing rod, a silicon rubber umbrella skirt and hardware fittings, is mainly used for connecting an iron tower and a high-voltage cable, and plays two basic roles in an overhead transmission line, namely supporting a wire and preventing current from flowing back to the ground.

At present, in the prior art, a post insulator core rod is made of glass fiber reinforced plastics, the two ends of the core rod are respectively connected with an iron lap and a high-voltage line through screws, a high-voltage wire swings back and forth under the action of wind, so that the core rod is subjected to torsion, the time is long, the connection between the core rod and the screws is easy to break, meanwhile, the connection between the core rod and the high-voltage wire cannot be changed due to different sizes of the wires, and the wires with different thicknesses can only be adapted through single screw replacement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the disclosed aim at providing a high-strength composite post insulator, which solves the problems that the core rod in the prior art is too large in torsion and broken, the joint of the core rod and a high-voltage wire cannot be changed due to different thicknesses of the wire, and the wires with different thicknesses can only be adapted by a single replacement screw rod.

The purpose of the present disclosure can be achieved by the following technical scheme:

the utility model provides a high strength composite post insulator, includes cylindrical plug, be equipped with the full skirt around the outside of plug, full skirt big, little alternative distribution, the upper and lower both ends of plug are equipped with the screw hole.

In some disclosures, the upper end of the mandrel is provided with a first supporting rod, the outer side of the lower end of the first supporting rod is provided with a first external thread, the first external thread is in threaded fit connection with the threaded hole, the first supporting rod is sleeved with a first nut, the first nut is in threaded connection with the first external thread on the first supporting rod,

in some disclosures, two semicircular clamping hoops are arranged at the upper end of the first support rod, the lower end of each clamping hoop is rotatably connected with the upper end of the first support rod, a first bolt and a second nut are arranged at the upper end of each clamping hoop, and the first bolt penetrates through a first through hole at the upper end of each clamping hoop and is in threaded connection with the second nut.

In some disclosures, four arc-shaped clamping blocks are arranged on an inner ring of the clamping hoop, a second bolt is arranged at the center of the outer side of each clamping block and extends outwards, one end of the second bolt is fixedly connected with the clamping blocks, four second through holes are uniformly distributed around the clamping hoop, the other end of the second bolt penetrates through the second through holes in the clamping hoop and is in threaded connection with a third nut, a spring is arranged between the clamping hoop and the clamping blocks, and the spring is sleeved on the second bolt.

In some disclosures, a second supporting rod is arranged at the lower end of the core rod, a second external thread is arranged at the upper end of the second supporting rod, the second external thread is in threaded fit connection with the threaded hole, a first retainer ring is arranged on the second supporting rod close to the second external thread, and the first retainer ring is fixedly connected with the second supporting rod.

In some disclosures, a fixing frame is arranged at the lower end of the second supporting rod, a cross groove is formed in the center of the fixing frame, a third external thread is arranged on the outer side of the lower end of the second supporting rod, a second retaining ring is arranged at a position close to the third external thread and fixedly connected with the second supporting rod, the lower end of the second supporting rod penetrates through the cross groove, the second retaining ring is attached to the upper surface of the fixing frame, and a gasket and a fourth nut are sleeved on the lower end of the second supporting rod and are in threaded connection.

In some disclosures, four corners of the fixing frame are provided with third through holes.

The beneficial effect of this disclosure:

through setting up between clamp, fixture block, spring, second bolt and the third nut for whole structure can link up the electric wire of different thickness size, and the stress of spring can reduce the torsion that the plug received simultaneously.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;

fig. 2 is a schematic view of an insulator structure according to an embodiment of the disclosure;

FIG. 3 is a schematic view of an upper end threaded rod configuration of an embodiment of the present disclosure;

FIG. 4 is a schematic view of a lower threaded rod configuration of an embodiment of the present disclosure;

FIG. 5 is a schematic view of a base structure of an embodiment of the present disclosure;

Detailed Description

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

As shown in fig. 1-5, the present invention provides an embodiment of a high strength composite post insulator, comprising: the cylindrical core rod 1 is provided with the umbrella skirt 2 around the outer side of the core rod 1, the umbrella skirt 2 is alternately distributed in size, the upper end and the lower end of the core rod 1 are provided with the threaded holes 3, the core rod 1 is made of glass fiber epoxy resin, has high-strength torsion resistance and an insulating effect and is used for supporting and climbing a cable, and the umbrella skirt 2 is made of silicon rubber and has insulating and waterproof effects.

The upper end of plug 1 is provided with first branch 4, the lower extreme outside of first branch 4 is provided with first external screw thread, first external screw thread and 3 screw hole screw-thread fit connections of screw hole, make first branch 4 fix in the screw hole 3 of plug 1, and simultaneously, 4 covers of first branch have first nut 5, behind

plug

1 and 4 threaded connection of first branch, external screw thread threaded connection on first nut 5 and the first branch 4, first branch 4 can adjust the angle on plug 1 according to the condition, first nut 5 screws up, tightly support the terminal surface of plug 1 and fix first branch 4.

The upper end of first branch 4 is provided with two semicircle clamp hoops 6, the lower extreme of clamp hoop 6 rotates with the upper end of first branch 4 to be connected, the upper end of clamp hoop 6 is provided with first bolt 7 and second nut 8, first bolt 7 passes first perforation and the 8 threaded connection of second nut on the clamp hoop 6 for clamp hoop 6 is closed, unscrew first bolt 7 and second nut 8, clamp hoop 6 can be opened toward both sides, the closure and the opening of clamp hoop can make the cable clamp in the centre.

The inner ring of the clamp 6 is provided with four arc-shaped clamping blocks 9, the outer center position of the clamping block 9 extends outwards to be provided with a second bolt 10, one end of the second bolt 10 is fixedly connected with the clamping block 9, four second through holes are uniformly distributed around the clamp 6, the other end of the second bolt 10 penetrates through the second through holes on the clamp 6 to be in threaded connection with a third nut 11, a spring 20 is arranged between the clamp 6 and the clamping block 9, the spring 20 is sleeved on the second bolt 10, the inner center positions of the four arc-shaped clamping blocks 9 are used for penetrating through a cable, the position of the third nut 11 on the second bolt 10 is adjusted according to the thickness of the cable to adjust the positions of the four arc-shaped clamping blocks 9, due to the tension of the spring 20, the clamp blocks 9 are tightly pressed inwards to be not prone to damage so as to clamp cables with different thicknesses, meanwhile, due to the arrangement of the spring 20, when a high-voltage wire swings due to wind, the stress of the spring 20 can weaken a part of torsion, so that the torsion of the core rod 1 is reduced, and the core rod is reduced.

The lower extreme of plug 1 is provided with second branch 12, and the upper end of second branch 12 is provided with the second external screw thread, and the second external screw thread is connected with screw hole 3 screw-thread fit, and second branch 12 is close to the second external screw thread and is provided with first shelves circle 13, first shelves circle 13 and second branch 12 fixed connection, and the setting of first shelves circle 13 makes second branch 12 and plug 1 threaded connection when, can support the terminal surface of plug 1 in order to reach the effect of screwing up.

The lower end of the second supporting rod 12 is provided with a fixing frame 14, a cross groove 15 is formed in the center of the fixing frame 14, a third external thread is arranged on the outer side of the lower end of the second supporting rod 12, a second retaining ring 16 is arranged at a position close to the third external thread, the lower end of the second supporting rod 12 penetrates through the cross groove 15, the second retaining ring 16 is attached to the upper surface of the fixing frame 14 to support the second supporting rod 12, a gasket 17 and a fourth nut 18 are sleeved on the lower end of the second supporting rod 12 and are in threaded connection, and the second supporting rod 12 can be adjusted to the position of the cross groove 15 according to conditions.

The four corners of the fixing frame 14 are provided with third through holes 19, and the fixing frame is fixed on a base such as an iron tower through the third through holes 19 by bolts.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.

Claims

1. The utility model provides a high strength composite post insulator, includes cylindrical plug (1), its characterized in that, be equipped with full skirt (2) around the outside of plug (1), full skirt (2) big, little alternative distribution, the upper and lower both ends of plug (1) are equipped with screw hole (3).

2. The high-strength composite post insulator is characterized in that a first supporting rod (4) is arranged at the upper end of the core rod (1), a first external thread is arranged on the outer side of the lower end of the first supporting rod (4), the first external thread is in threaded fit connection with the threaded hole (3), a first nut (5) is sleeved on the first supporting rod (4), and the first nut (5) is in threaded connection with the first external thread on the first supporting rod (4).

3. The high-strength composite post insulator according to claim 2, wherein the upper end of the first support rod (4) is provided with two semicircular clamping hoops (6), the lower ends of the clamping hoops (6) are rotatably connected with the upper end of the first support rod (4), the upper end of the clamping hoops (6) is provided with a first bolt (7) and a second nut (8), and the first bolt (7) passes through a first through hole at the upper end of the clamping hoops (6) and is in threaded connection with the second nut (8).

4. The high-strength composite post insulator according to claim 3, wherein four arc-shaped clamping blocks (9) are arranged on the inner ring of the clamping hoop (6), a second bolt (10) extends outwards from the center of the outer side of each clamping block (9), one end of each second bolt (10) is fixedly connected with the corresponding clamping block (9), four second through holes are uniformly distributed on the periphery of the clamping hoop (6), the other end of each second bolt (10) penetrates through the corresponding second through hole in the clamping hoop (6) to be in threaded connection with a third nut (11), a spring (20) is arranged between the clamping hoop (6) and the corresponding clamping block (9), and the spring (20) is sleeved on the second bolt (10).

5. The high-strength composite post insulator is characterized in that a second support rod (12) is arranged at the lower end of the core rod (1), a second external thread is arranged at the upper end of the second support rod (12), the second external thread is in threaded fit connection with the threaded hole (3), a first stop ring (13) is arranged on the second support rod (12) close to the second external thread, and the first stop ring (13) is fixedly connected with the second support rod (12).

6. The high-strength composite post insulator is characterized in that a fixing frame (14) is arranged at the lower end of the second support rod (12), a cross groove (15) is formed in the center of the fixing frame (14), a third external thread is arranged on the outer side of the lower end of the second support rod (12), a second retaining ring (16) is arranged at a position close to the third external thread, the second retaining ring (16) is fixedly connected with the second support rod (12), the lower end of the second support rod (12) penetrates through the cross groove (15), the second retaining ring (16) is attached to the upper surface of the fixing frame (14), and a gasket (17) and a fourth nut (18) are sleeved on the lower end of the second support rod (12) and are in threaded connection.

7. A high strength composite post insulator according to claim 6, wherein said fixing frame (14) is provided with third through holes (19) at four corners thereof.