CN-122025311-A - Novel integrated insulator capable of realizing live working and mounting method thereof

CN122025311ACN 122025311 ACN122025311 ACN 122025311ACN-122025311-A

Abstract

The invention relates to a novel integrated insulator capable of being subjected to live working and an installation method thereof, and belongs to the technical field of insulators. The insulator comprises an insulator body, wherein a lower base is arranged at the top of the insulator body, a lower groove is arranged at one end of the lower base, a thread block is arranged at the other end of the lower base, the middle part of a gland is hinged to the lower base, an upper groove is arranged at one end of the gland, a wire compressing groove is formed by the upper groove and the lower groove in an up-down correspondence mode, a driven block is arranged at the other end of the gland, the lower part of an operation screw is connected to the thread block in a threaded mode, an operation ring is arranged at the bottom of the operation screw, the upper part of the operation screw is movably connected to the driven block, a pressure spring is arranged on the operation screw between the lower base and the gland, and buffer gaskets are respectively coated on the outer side surfaces of the upper groove of the gland and the lower groove of the lower base. The invention can be operated manually or by using a live working robot in live working, has simple operation, increases the operation safety, solves the problem that the insulation layer of the lead is damaged by heating induced current, and has good wind prevention and lightning protection performances.

Inventors

XU YING
XU YONGXIN
LI MENGXING
WANG ZHIGANG
LI JUN
Ye Menjun
LI DAOZHENG
ZHOU AIMIN
LI ZHIQIANG
DING ZHIHAN
DAI ZHUWEN
He Xuman
LIU JIAYAN
LIU DONGYUAN
Bao Pengran

Assignees

国网冀北电力有限公司承德供电公司

Dates

Publication Date: 20260512
Application Date: 20260303

Claims (10)

1. The novel integrated insulator capable of realizing live working is characterized by comprising a gland (1), a pressure spring (2), an operation screw (3), a lower base (4), a driven block (5), a threaded block (6) and an insulator body (17), wherein the lower base (4) is arranged at the top of the insulator body (17), a lower groove (9) is formed in one end of the lower base (4), the threaded block (6) is arranged at the other end of the lower base (4), the middle part of the gland (1) is hinged to the lower base (4), an upper groove (10) is formed in one end of the gland (1), a wire compression groove is formed in the upper groove (10) and the lower groove (9) in a vertically corresponding mode, the driven block (5) is arranged at the other end of the gland (1), the lower thread of the operation screw (3) is connected to the threaded block (6) and the operation ring (8) is arranged at the bottom of the lower end of the lower base, the operation screw (3) is movably connected to the driven block (5), the pressure spring (2) is arranged on the operation screw (3) between the lower base (4) and the gland (1), and the upper groove (10) of the gland (1) and the lower groove (4) are coated on the outer side face of the buffer pad (7).
2. The novel integrated insulator capable of carrying out live working is characterized in that the upper part of the operation screw rod (3) is movably connected to a through hole of the driven block (5) through a cotter pin (11), the operation screw rod (3) can freely rotate, and the other end of the lower base (4) is connected with the threaded block (6) through an elastic pin II (13).
3. The novel integrated insulator capable of carrying out live working according to claim 1, wherein the upper end face of the lower base (4) is provided with a hinging seat (20), the gland (1) comprises two swing arms (1-1) which are symmetrically arranged, one ends of the two swing arms (1-1) are connected with the driven block (5) through elastic pins III (19), the other ends of the two swing arms (1-1) are connected into a whole to form an arc, the buffer gasket (7) is coated on the whole, and the middle parts of the two swing arms (1-1) are hinged on the hinging seat (20) through elastic pins III (12).
4. The novel integrated insulator capable of carrying out live working according to claim 2, wherein a plurality of layers of sheds are arranged from top to bottom on an umbrella cover (17-3) of the insulator body (17), and the outer diameters of the uppermost layer of sheds (17-4) and the lowermost layer of sheds (17-5) are larger than the outer diameter of the sheds between the uppermost layer of sheds and the lowermost layer of sheds.
5. The novel integrated insulator capable of carrying out live working, as claimed in claim 1, is characterized in that the insulator body (17) comprises an upper end fitting (17-1), a lower end fitting (17-2), an umbrella cover (17-3), umbrella skirts and a central component, the umbrella cover (17-3) covers the outer side of the central component, the umbrella cover (17-3) is provided with a plurality of layers of umbrella skirts, the central component comprises a core body (17-6) and a plurality of layers of annular resistor pieces (17-7) sleeved on the core body (17-6), the upper end and the lower end of the core body (17-6) are respectively arranged in the upper end fitting (17-1) and the lower end fitting (17-2), corrugated base plates (17-8) are arranged between every two adjacent layers of resistor pieces (17-7), the outer side of the columnar component is formed by the plurality of annular resistor pieces (17-7), and the outer side of the columnar component is connected with an insulating tube (17-10) through potting adhesive (17-9).
6. The novel integrated insulator capable of carrying out live working is characterized in that the center assembly further comprises a butterfly spring (17-11), an upper pressing seat (17-12), a current leading-in seat (17-13) and a current leading-out seat (17-14) which are arranged on the core body (17-6), the current leading-in seat (17-13) and the current leading-out seat (17-14) are respectively arranged at the upper end and the lower end of the columnar assembly, the current leading-in seat (17-13) and the upper pressing seat (17-12) are in threaded connection, the upper pressing seat (17-12) is pressed on a resistor sheet (17-7) at the uppermost layer through an upper gasket (17-15) and an upper corrugated base plate (17-16), the butterfly spring (17-11) is arranged between the current leading-out seat (17-14) and the resistor sheet (17-7) at the lowermost layer, a lower gasket (17-17) and a lower corrugated base plate (17-18) are arranged between the upper end of the butterfly spring (17-11) and the resistor sheet (17-7) at the lowermost layer, and a lower corrugated base plate (17-19) is arranged between the lower end of the butterfly spring (17-11) and the lower corrugated base plate (17-19).
7. The novel integrated insulator capable of carrying out live working according to claim 5, wherein the top of the upper end fitting (17-1) is a lower base (4), an upper drainage rod (16) is arranged on one side of the lower base (4), a buffer gasket (7) is coated on the outer side of the upper drainage rod (16) and is connected with the buffer gasket (7) at the position of a lower groove (9) in the lower base (4) into a whole, and the current leading-in seat (17-13) is provided with a lower drainage rod (18) through a flat end fastening screw I (17-22).
8. The novel integrated insulator capable of being subjected to live working according to claim 3, wherein the lower end fitting (17-2) is provided with a steel foot (17-21), the bottom of the insulator body (17) is provided with a separator (14), and the separator (14) is connected with the steel foot (17-21) through a metal stranded wire (15).
9. The novel integrated insulator capable of being subjected to live working according to claim 4 or 5, wherein the umbrella skirt is planar, and clamping guide grooves are formed in the upper end fitting (17-1) and the lower end fitting (17-2).
10. The installation method of the novel integrated insulator capable of live working is characterized in that when the insulator is required to be installed, an operator connects the top end of an insulating rod with an operation ring (8) of an operation screw (3), or connects an end effector of a live working robot with the operation ring (8), the operation screw (3) is driven to rotate through rotation, the operation screw (3) is in threaded connection with a threaded block (6), the operation screw (3) moves downwards while rotating, one end of a gland (1) provided with an upper groove (10) is driven to lift, a wire is placed in a lower groove (9), the operation screw (3) is driven to rotate through reverse rotation, and one end of the operation screw (3) which drives the gland (1) provided with the upper groove (10) is driven to fall down, so that the wire is fixed in a wire pressing groove.

Description

Novel integrated insulator capable of realizing live working and mounting method thereof Technical Field The invention relates to a novel integrated insulator capable of being subjected to live working and an installation method thereof, and belongs to the technical field of insulators. Background At present, a majority of post insulators used for domestic 10kV overhead lines adopt a binding wire fixing mode, and as the requirements of users on power supply reliability are higher and higher, the requirements of live working daily operation and maintenance are increased, but the live working installation of the existing insulator form is difficult. In daily distribution network operation and maintenance, the defects of the traditional insulators are mainly shown in the following aspects. (1) Live working is difficult to install, most of traditional insulators are in a binding wire fixing mode, most of the traditional insulators are in an agricultural distribution network, the operation is performed by adopting an insulating glove method, the binding wire needs to be repeatedly wound for a long time, the binding wire can only be temporarily fixed by adopting an insulating rod operation method (the follow-up operation needs to be matched with power failure for long-term binding), the binding operation is complex, and the installation cannot be realized at present by adopting the existing robot operation; (2) The binding wire is wound on the wire in a plurality of turns, the installation process is time-consuming and labor-consuming, and induced current can be generated in the binding wire, so that the binding wire heats and damages the insulating layer of the power wire; (3) The binding is not tight, and the wire is stressed by external force such as wind load for a long time, so that the binding wire is easy to loose, even the binding wire breaks and the wire insulating layer is worn. In addition, the insulator is easily displaced or broken due to loose binding after a certain degree of gaps are reached, so that the overhead conductor is dropped on a cross arm or hung in a half space, the reliability of the safe operation of the distribution equipment is affected, and even the life safety of personnel is endangered; (4) The lightning protection levels of the lightning protection insulator products are uneven, the heads of the different types of lightning protection insulator products are complex due to the matching installation, and the various types of products do not pass the effective test of the traditional lightning protection insulator fault-free indication, if faults occur, the wires are easy to fall off; (5) Under the conventional condition, the single connecting node of the lightning arrester is easy to fail; (6) The construction is carried the utensil too much, and ligature technology is loaded down with trivial details, wastes time and energy. Disclosure of Invention The invention aims to provide a novel integrated insulator capable of carrying out live working and an installation method thereof, wherein the novel integrated insulator can be used for carrying out live working operation manually or by using a live working robot, the installation is time-saving and labor-saving, the working efficiency is improved, the binding is firm, the occurrence of displacement or breakage of edges is avoided, the safety hazard is caused, and meanwhile, the novel integrated insulator has excellent windproof and lightning-proof functions, and the problems existing in the background technology are solved. The technical scheme of the invention is as follows: The utility model provides a but novel integration insulator of live working, contains gland, pressure spring, operation screw rod, lower base, driven piece, thread block and insulator body, insulator body's top is equipped with lower base, and lower base's one end is equipped with the lower recess, and lower base's the other end is equipped with the thread block, and the gland middle part articulates on lower base, and gland one end is equipped with the upper groove, corresponds about upper groove and the lower groove and forms wire compress tightly the groove, and the gland other end is equipped with driven piece, and operation screw rod's lower part threaded connection is equipped with the operation ring on the thread block and the bottom, and operation screw rod's upper portion swing joint is equipped with the pressure spring on the driven piece between lower base and the gland, and the lateral surface that the upper groove of gland and lower base place of lower recess all cladding has the buffering liner. Further, the upper part of the operation screw rod is movably connected to the through hole of the driven block through a cotter pin, the operation screw rod can freely rotate, and the other end of the lower base is connected with the threaded block through a second elastic pin. Further, the up end of lower base is equipped with articulated seat, and the g