CN211670054U

CN211670054U - Insulator for overhead power transmission and distribution line

Info

Publication number: CN211670054U
Application number: CN202020776337.2U
Authority: CN
Inventors: 欧阳方友
Original assignee: Jiangxi Pingxiang Nanxi Electric Porcelain Electric Appliance Manufacturing Co ltd
Current assignee: Jiangxi Pingxiang Nanxi Electric Porcelain Electric Appliance Manufacturing Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-10-13
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to a power equipment technical field specifically is an insulator for overhead transmission and distribution lines, including the dead lever, the bottom of dead lever is connected with the connecting plate, and runs through the lower extreme both sides of connecting plate and be provided with set screw, the bottom of connecting plate is provided with the gomphosis board, and the lower extreme joint of gomphosis board has the gomphosis seat, the contact jaw of dead lever and connecting plate sets up the bottom ring, and has cup jointed the movable rod in the dead lever, the top of movable rod is provided with the top cap, ceramic wheel has been cup jointed on movable rod and the dead lever. This device can highly adjust the insulator to the electric wire winding of different diameters is on the insulator, and the insulator highly increases simultaneously, can twine many electric wires simultaneously, and carries out the separation through the ceramic wheel of difference, has reached to erect the electric wire and play the insulating effect, and the fixed method of this device adopts gomphosis formula fixed connection simultaneously, and carries on spacingly through the screw.

Description

Insulator for overhead power transmission and distribution line

Technical Field

The utility model relates to a power equipment technical field specifically is an insulator for overhead transmission and distribution lines.

Background

The insulator is a special insulating control part and can play an important role in an overhead transmission line, the insulator is mostly used for a telegraph pole in the early years, one end of a high-voltage wire connecting tower which is slowly developed is hung with a plurality of disc-shaped insulators, the insulators are made of glass or ceramics in order to increase creepage distance, the insulators are called insulators, the insulators cannot fail due to various electromechanical stresses caused by changes of environment and electric load conditions, otherwise, the insulators cannot play a great role, and the use and the service life of the whole line can be damaged.

The existing insulator is fixed and cannot be adjusted, the fixing mode of the insulator is usually troublesome by using bolts, and electricians can lose strength after long-term high-altitude operation. Accordingly, those skilled in the art have provided an insulator for overhead power transmission and distribution lines to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide an insulator for overhead transmission and distribution lines to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulator for overhead power transmission and distribution line, includes the dead lever, the bottom of dead lever is connected with the connecting plate, and the lower extreme both sides of connecting plate run through and be provided with set screw, the bottom of connecting plate is provided with the gomphosis board, and the lower extreme joint of gomphosis board has the gomphosis seat, the contact jaw of dead lever and connecting plate sets up the bottom ring, and has cup jointed the movable rod in the dead lever, the top of movable rod is provided with the top cap, ceramic wheel has been cup jointed on movable rod and the dead lever.

As a further aspect of the present invention: the movable rod is characterized in that grooves are formed in two sides of one section, located inside the fixed rod, of the movable rod, limiting rods are vertically arranged inside the grooves, the length of the grooves of the movable rod is one third of the total length of the movable rod, and the depth of the grooves is one fifth of the diameter of the movable rod.

As a further aspect of the present invention: the inner wall of dead lever is provided with solid fixed ring, and the degree of depth of solid fixed ring's diameter and recess equals, gu fixed ring cup joints on the gag lever post.

As a further aspect of the present invention: the bottom center department of connecting plate runs through and is provided with the screw rod, and the screw rod extends to the inside of dead lever, the screw has been seted up to the movable rod bottom.

As a further aspect of the present invention: the degree of depth of movable rod bottom screw accounts for the third of movable rod total length to the diameter of screw is two fifths of movable rod diameter, the bottom of movable rod is connected through screw and screw rod.

As a further aspect of the present invention: the tail end of the embedded plate is provided with an embedded strip, and the corner of the embedded strip is cut into an arc-shaped structure.

As a further aspect of the present invention: the top of the embedded seat is provided with a clamping plate, a coil spring is connected between the outer side of the lower end of the clamping plate and the embedded seat, and one opposite side of the clamping plate is cut into an inner arc structure.

Compared with the prior art, the beneficial effects of the utility model are that: the device can adjust the height of the insulator so as to facilitate the wires with different diameters to be wound on the insulator, meanwhile, the height of the insulator is increased, a plurality of wires can be wound at the same time and are separated by different ceramic wheels, so that the wires are erected and insulated, meanwhile, the fixing method of the device adopts the embedded type fixed connection and carries out the limit through the screw, and the embedded type fixed connection method adopts the method that firstly, the embedded seat is fixed on the electric pole, the operation is matched with synchronous installation when the telegraph pole leaves factory in production or installation in the pole erecting mode, when the insulator needs to be fixed, the embedded plate on the connecting plate at the bottom of the insulator is directly pressed into the embedded seat, meanwhile, the four fixing screws are used for restraining and limiting, the screws penetrate through the connecting plate and the platform at the top of the telegraph pole, fixing is not needed, and the screws can be prevented from falling off.

Drawings

Fig. 1 is a schematic structural view of an insulator for an overhead power transmission and distribution line;

fig. 2 is a schematic diagram of a lifting structure in an insulator for an overhead power transmission and distribution line;

fig. 3 is a schematic structural view of an insulator fitting mechanism for an overhead power transmission and distribution line.

In the figure: 1. a top cover; 2. a movable rod; 3. a ceramic wheel; 4. a bottom ring; 5. a connecting plate; 6. a screw; 7. A set screw; 8. a tabling seat; 9. a tabling plate; 10. fixing the rod; 11. a fixing ring; 12. a limiting rod; 13. A tabling strip; 14. a splint; 15. a coil spring.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: the utility model provides an insulator for overhead power transmission and distribution line, includes dead lever 10, the bottom of dead lever 10 is connected with connecting plate 5, and the lower extreme both sides of connecting plate 5 run through and be provided with set screw 7, the bottom of connecting plate 5 is provided with gomphosis board 9, and the lower extreme joint of gomphosis board 9 has gomphosis seat 8, the contact jaw of dead lever 10 and connecting plate 5 sets up bottom ring 4, and has cup jointed movable rod 2 in the dead lever 10, the top of movable rod 2 is provided with top cap 1, ceramic wheel 3 has been cup jointed on movable rod 2 and the dead lever 10.

In fig. 2, a groove is formed in two sections of two sides of the movable rod 2 inside the fixed rod 10, a limiting rod 12 is vertically arranged inside the groove, the length of the groove of the movable rod 2 is one third of the total length of the movable rod 2, the depth of the groove is one fifth of the diameter of the movable rod 2, the movable rod 2 rotates through a screw 6 to lift, the movable rod 2 rotates in the lifting process to prevent the movable rod 2 from rotating, and therefore the limiting rod 12 is required to be arranged due to the fact that a limiting structure is arranged, and the groove is used for providing installation space for the limiting rod 12.

In fig. 1, the inner wall of the fixed link 10 is provided with a fixed ring 11, the diameter of the fixed ring 11 is equal to the depth of the groove, the fixed ring 11 is sleeved on the limit rod 12, and when the movable rod 2 is lifted inside the fixed link 10, the movable rod 2 is prevented from rotating when lifted through the fixed ring 11 and the limit rod 12.

In fig. 2, a screw rod 6 is disposed at the center of the bottom end of the connecting plate 5, the screw rod 6 extends into the fixed rod 10, a screw hole is formed at the bottom end of the movable rod 2, the screw rod 6 is screwed by a hand, the movable rod 2 is abutted upwards by using the principle of thread motion when the screw rod 6 rotates, so that the movable rod 2 ascends or descends, and the screw hole is used for matching with the screw rod 6.

In fig. 2, the degree of depth of 2 bottom screw holes of movable rod account for the one-third of 2 total length of movable rod, and the diameter of screw is two-fifths of the 2 diameter of movable rod, the bottom of movable rod 2 is connected with screw rod 6 through the screw, the benefit of this setting is the distance that the degree of depth decision movable rod 2 of screw goes up and down, the effect that can not go up and down is played to the too short of movable rod 2 lift, the swing then can appear going up and down too high, the junction of its bottom is unstable, and the electric wire is at the in-process of erectting, it has certain gravity itself, at later stage because the factor of wind-force still can increase inertia, consequently, movable rod 2 must keep certain hardness, so the diameter that the screw was seted up should not.

In fig. 3, the end of the fitting plate 9 is provided with a fitting strip 13, and the corner of the fitting strip 13 is cut into an arc-shaped structure, so that the fixing is completed by the fitting strip 13 being inserted between the clamping plates 14 inside the fitting seat 8 in use.

In fig. 3, a clamp plate 14 is provided on the top of the fitting seat 8, a coil spring 15 is connected between the outer side of the lower end of the clamp plate 14 and the fitting seat 8, and the opposite side of the clamp plate 14 is cut into an inner arc structure, and the fitting strip 13 has an arc structure, so that the inner wall of the clamp plate 14 needs to have an arc structure in order to be attached thereto.

The utility model discloses a theory of operation is: when the electric pole is manufactured or erected, the embedded seat 8 is fixed on a mounting platform at the top of the electric pole, so that when the insulator is mounted, the insulator is firstly fixed on the connecting plate 5 and is fixedly restrained by the bottom ring 4, then the embedded strip 13 on the embedded plate 9 at the bottom of the connecting plate 5 is pressed into the space between the clamping plates 14 at the top of the embedded seat 8 to complete the fixation, because the embedded strip 13 is of an arc-shaped structure, the inner wall of the clamping plate 14 also needs to be provided with the arc-shaped structure in order to be attached to the embedded strip, then four fixing screws 7 are inserted into holes which are pre-arranged to play a role in preventing falling, when the insulator is used, the insulator is lifted according to the diameter or the number of the erected electric wires, the screw rod 6 is screwed by hand, when the screw rod 6 rotates, the movable rod 2 is upwards abutted by utilizing the principle of thread motion, the movable rod 2 is lifted or, in order to prevent the movable rod 2 from rotating in the lifting process, a limit structure is required to be arranged so as to arrange a limit rod 12, when the movable rod 2 is lifted in the fixed rod 10, the movable rod 2 can be prevented from rotating when lifted through the fixing ring 11 and the limit rod 12, wherein the lifting distance of the movable rod 2 is determined by the depth of a screw hole, the movable rod 2 cannot lift due to too short lifting, swing can occur due to too high lifting, the joint at the bottom of the movable rod is unstable, an electric wire is erected in the lifting process, the electric wire has certain gravity, inertia can be increased due to the factor of wind power in the later stage, the movable rod 2 must keep certain hardness, and the diameter of the screw hole is not required to be too large.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an insulator for overhead transmission and distribution line, includes dead lever (10), its characterized in that: the bottom of dead lever (10) is connected with connecting plate (5), and the lower extreme both sides of connecting plate (5) run through and be provided with set screw (7), the bottom of connecting plate (5) is provided with gomphosis board (9), and the lower extreme joint of gomphosis board (9) has gomphosis seat (8), the contact jaw of dead lever (10) and connecting plate (5) sets up bottom ring (4), and has cup jointed movable rod (2) in dead lever (10), the top of movable rod (2) is provided with top cap (1), ceramic wheel (3) have been cup jointed on movable rod (2) and dead lever (10).

2. An insulator for overhead transmission and distribution lines according to claim 1, characterized in that a section of the movable rod (2) inside the fixed rod (10) is provided with a groove on both sides, a limiting rod (12) is vertically arranged inside the groove, the length of the groove of the movable rod (2) is one third of the total length of the movable rod (2), and the depth of the groove is one fifth of the diameter of the movable rod (2).

3. An insulator for overhead transmission and distribution lines according to claim 2, characterized in that the inner wall of the fixing rod (10) is provided with a fixing ring (11), the diameter of the fixing ring (11) is equal to the depth of the groove, and the fixing ring (11) is sleeved on the limiting rod (12).

4. An insulator for overhead power transmission and distribution lines according to claim 1, wherein a screw (6) is arranged at the center of the bottom end of the connecting plate (5) in a penetrating manner, the screw (6) extends into the fixed rod (10), and a screw hole is formed at the bottom end of the movable rod (2).

5. An insulator for overhead transmission and distribution lines according to claim 4, characterized in that the bottom end of the movable rod (2) is threaded to a depth of one third of the total length of the movable rod (2) and to a diameter of two fifths of the diameter of the movable rod (2), and the bottom end of the movable rod (2) is connected to the threaded rod (6) through the threaded hole.

6. An insulator for overhead power transmission and distribution lines according to claim 1, wherein the end of the fitting plate (9) is provided with a fitting strip (13), and corners of the fitting strip (13) are cut into an arc-shaped configuration.

7. An insulator for overhead power transmission and distribution lines according to claim 1, wherein a clamping plate (14) is provided on the top of the fitting seat (8), and a coil spring (15) is connected between the outer side of the lower end of the clamping plate (14) and the fitting seat (8), and the opposite sides of the clamping plate (14) are cut into an inner arc-shaped configuration.