CN112768158B

CN112768158B - High-voltage porcelain insulator with damping structure

Info

Publication number: CN112768158B
Application number: CN202011621392.5A
Authority: CN
Inventors: 周珂
Original assignee: SUZHOU AIJIAN ELECTRICAL PORCELAIN CO Ltd
Current assignee: SUZHOU AIJIAN ELECTRICAL PORCELAIN CO Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-08-02
Anticipated expiration: 2040-12-30
Also published as: CN112768158A

Abstract

The application provides a high-voltage porcelain insulator with shock-absorbing structure, including the insulator gold utensil, the insulator gold utensil passes through damper to be connected with the outside link to each other's link fitting, and damper includes: the upper end of the connecting piece is fixed on the connecting hardware fitting, and the lower end of the connecting piece extends into the insulator hardware fitting; wherein, the length of the connecting piece can be adjusted; the limiting lantern ring is arranged on the outer ring of the connecting piece; the spring is sleeved on the connecting piece, the upper end of the spring is abutted against the inner wall of the upper part of the insulator hardware fitting, and the lower end of the spring is abutted against the limiting lantern ring; and the locking block is connected with the connecting piece, the outer ring sleeve of the locking block is provided with a locking nut, and the locking nut is used for abutting against the limiting lantern ring. When the spring uses elasticity for a long time and becomes little, through reducing the length of connecting piece for the length of spring shortens, thereby increases the elasticity of spring, has solved the spring and has forced the deformation easily, and the spring after the deformation makes the problem that shock attenuation effect descends.

Description

High-voltage porcelain insulator with damping structure

Technical Field

The invention relates to the field of insulators, in particular to a high-voltage porcelain insulator with a damping structure.

Background

In an electric power system, a generator, a transformer and an insulator are three main parts. The insulator runs through each link in power transmission and transformation, and the insulator can be divided into glass, pottery and synthetic insulator according to the insulating part material, is connected insulator and gold utensil through modes such as glue and allies oneself with, packing or crimping, so when the insulator receives external force, produce the instantaneous great impact force easily, and insulator and gold utensil can increase the risk of slippage in the time of a long time.

Among the prior art, often set up spring shock-absorbing structure to the insulator to realize the insulator buffering shock attenuation, but in long-term use, the spring is atress deformation easily, and the spring after the deformation makes the shock attenuation effect descend, causes use cost to increase again easily if directly change the spring.

Disclosure of Invention

In view of the above, the main purpose of the present invention is to solve the problem that the spring is easily deformed by force, and the deformed spring reduces the damping effect.

The invention provides a high-voltage porcelain insulator with a damping structure, which comprises an insulator hardware fitting, wherein the insulator hardware fitting is connected with a connecting hardware fitting connected with the outside through a damping component, and the damping component comprises: the upper end of the connecting piece is fixed on the connecting hardware fitting, and the lower end of the connecting piece extends into the insulator hardware fitting; wherein the length of the connecting piece can be adjusted; the limiting lantern ring is arranged on the outer ring of the connecting piece; the spring is sleeved on the connecting piece, the upper end of the spring is abutted against the inner wall of the upper part of the insulator hardware fitting, and the lower end of the spring is abutted against the limiting lantern ring; and the locking block is connected with the connecting piece, the outer ring sleeve of the locking block is provided with a locking nut, and the locking nut is used for abutting against the limiting lantern ring.

In some embodiments of the invention, the connector comprises a fixed block and a movable block; one end of the fixed block is fixedly connected with the connecting hardware fitting, and the other end of the fixed block is in threaded connection with the movable block; wherein, carry out threaded connection in proper order through at least two the movable block to make the regulation the whole length of movable block.

In some embodiments of the invention, the outer wall of the stationary block is flush with the outer wall of the movable block.

In some embodiments of the invention, the locking block is removably coupled to the movable block.

In some embodiments of the invention, one end of the insulator hardware is connected with an insulator, and the other end of the insulator hardware is connected with the connecting hardware through the damping component.

In some embodiments of the invention, a detachable gland is arranged at one end of the insulator hardware close to the connecting hardware, wherein the upper end of the spring abuts against the inner side wall of the gland.

In some embodiments of the present invention, a first magnetic ring is fixedly connected to an end surface of the gland close to the insulator hardware, and a second magnetic ring is disposed between the limiting collar and the lock nut, wherein the first magnetic ring and the second magnetic ring have the same magnetism.

In some embodiments of the present invention, an outer wall of the second magnetic ring contacts an inner wall of the insulator hardware.

In some embodiments of the invention, the end of the lock block remote from the connector is provided with a socket into which a pin can be inserted to lock the lock nut.

In some embodiments of the invention, an outer wall of the spring abuts an inner wall of the insulator fitting.

The invention provides a high-voltage porcelain insulator with a damping structure, which is characterized in that a movable block is sleeved with a limiting lantern ring, the limiting lantern ring is limited by matching a locking block and a locking nut, the upper end of a spring is abutted against the inner wall of the upper part of an insulator hardware fitting, the lower end of the spring is abutted against the limiting lantern ring, and when the spring is used for a long time and is elastically deformed, the length of the spring is shortened by reducing the length of a connecting piece, so that the elasticity of the spring is increased, and the problems that the spring is easily stressed and deformed and the damping effect is reduced by the deformed spring are solved.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-voltage porcelain insulator provided with a shock-absorbing structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1;

fig. 3 is a sectional view showing a structure of a damper assembly of a high-voltage porcelain insulator provided with a damper structure according to an embodiment of the present invention (without a spring mounted).

Wherein the figures include the following reference numerals:

10. insulator hardware; 20. a gland; 30. connecting a hardware fitting; 40. a shock absorbing assembly; 41. a connecting member; 4101. a fixed block; 4102. a movable block; 42. a spring; 43. a limiting lantern ring; 44. a locking block; 51. a first magnetic ring; 52. a second magnetic ring; 60. an insulator.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, a high voltage porcelain insulator with a damping structure includes an insulator fitting 10, the insulator fitting 10 is connected to a connection fitting 30 connected to an outside through a damping member 40, and the damping member 40 includes: the upper end of the connecting piece 41 is fixed on the connecting hardware fitting 30, and the lower end of the connecting piece 41 extends into the insulator hardware fitting 10; wherein the length of the connecting piece 41 can be adjusted; a limit lantern ring 43 arranged at the outer ring of the connecting piece 41; the spring 42 is sleeved on the connecting piece 41, the upper end of the spring 42 is abutted against the inner wall of the upper part of the insulator hardware fitting 10, and the lower end of the spring 42 is abutted against the limiting lantern ring 43; and a locking block 44 connected with the connecting piece 41, wherein a locking nut is sleeved on the outer ring of the locking block 44 and used for abutting against the limiting lantern ring 43.

By applying the technical scheme of the embodiment, the damping assembly 40 is arranged between the insulator hardware 10 and the connecting hardware 30, and by arranging the damping assembly 40, the tolerance of the traditional insulator and hardware to instantaneous large impact force is improved, so that the acting force of wind power on a power transmission and transformation line can be effectively resisted, the damping assembly 40 comprises a connecting piece 41, a spring 42, a limiting collar 43 and a locking block 44, the limiting collar 43 is movably sleeved on the movable block 4102 and limited by matching the locking block 44 with a locking nut, the upper end of the spring 42 is abutted against the inner wall of the upper part of the insulator hardware 10, the lower end of the spring 42 is abutted against the limiting collar 43, when the spring 42 is used for a long time and elastically deformed, the length of the connecting piece 41 is reduced, so that the telescopic length of the spring 42 is shortened, the elasticity of the spring 42 is increased, and the problem that the spring 42 is easily stressed and deformed is solved, the deformed spring 42 causes the damping effect to be reduced, and when the telescopic length of the spring 42 needs to be changed, the length of the connecting piece 41 only needs to be changed without adjusting other structures, so that the feasibility of operation is improved.

Wherein, through changing the spacing lantern ring 43 of unidimensional not for can change the spring 42 of unidimensional not on connecting piece 41, and then improve shock-absorbing structure's practicality.

The inventors have also adopted the following alternative in the course of implementing the present application, and have summarized the advantages and disadvantages of this alternative.

Specifically, the lock block 44 is detachably connected to the movable block 4102.

In alternative embodiments, the position limiting collar 43 may be fixed to the link 41, and the length of the spring 42 may be varied by varying the length of the link 41.

The structure has the advantages that: the provision of the locking block 44 and the nut can be avoided, thereby simplifying the overall construction of the shock absorbing assembly 40.

The disadvantages of this structure are: the inability to replace a different size stop collar 43 allows for a different size spring 42 to be replaced on the attachment member 41.

In some alternative embodiments, the stop collar 43 may be threaded onto the outer race of the connector 41.

The structure has the advantages that: adopt spacing lantern ring 43 to rotate on connecting piece 41 for can change the flexible length of abutting on spring 42 on spacing lantern ring 43, thereby realize being convenient for adjust the effect of the flexible length of spring 42.

The disadvantages of this structure are: in the long-term use process, the position limiting lantern ring 43 of threaded connection is easy to displace, so that the problem of poor using effect of the position limiting lantern ring 43 is caused.

Referring to fig. 3, which shows a specific structure of the connector 41 of the present application, the connector 41 includes a fixed block 4101 and a movable block 4102; one end of the fixed block 4101 is fixedly connected with the connecting hardware fitting 30, and the other end of the fixed block 4101 is in threaded connection with the movable block 4102; wherein the at least two movable blocks 4102 are sequentially screw-coupled so as to adjust the overall length of the movable block 42.

This kind of structural design, fixed block 4101 is connected with movable block 4102 through the screw thread, when the flexible length of spring 42 needs to be changed, adopts the movable block 4102 that increases and decreases threaded connection in proper order for the distance between spacing lantern ring 43 and the insulator gold utensil 10 changes, thereby realizes adjusting the flexible length of spring 42.

Specifically, the outer wall of the fixed block 4101 is flush with the outer wall of the movable block 4102. In this way, movement of the stop collar 43 between the fixed block 4101 and the movable block 4102 is facilitated.

In some alternative embodiments, the inner diameter of the position limiting collar 43 is equal to the outer diameter of the fixed block 4101 and the movable block 4102, so that the position limiting collar 43 is prevented from being radially displaced during movement, and the stability of the spring 42 during telescoping is effectively improved.

Referring further to fig. 1, one end of the insulator hardware 10 is connected to the insulator 60, and the other end is connected to the connecting hardware 30 through the damping member 40. Thus, the tolerance of the insulator fitting 10 and the connection 30 fitting to a transient large impact force is improved.

In some alternative embodiments, the end of the insulator fitting 10 near the connection fitting 30 is provided with a detachable gland 20, wherein the upper end of the spring 42 abuts against the inner side wall of the gland 20.

This kind of structural design, the outer wall threaded connection of gland 20 and insulator gold utensil 10 has realized being connected of dismantling of gland 20 and insulator gold utensil 10, adopts the gland 20 that can dismantle the connection, and the staff's later stage of being convenient for is to damper assembly 40's operation. For example, by replacing a different size spring, or by changing the extension and retraction length of the original spring.

In some alternative embodiments, a first magnetic ring 51 is fixedly connected to an end surface of the gland 20 close to the insulator hardware 10, and a second magnetic ring 52 is disposed between the position limiting collar 43 and the lock nut, wherein the first magnetic ring 51 and the second magnetic ring 52 have the same magnetism. Thus, the magnetic rings of the same kind of magnetism are provided at both ends of the spring 42, respectively, so that the buffering effect can be increased.

Specifically, the outer wall of the second magnetic ring 52 contacts the inner wall of the insulator hardware 10.

In alternative embodiments, the end of the lock block 44 remote from the attachment member 41 is provided with a socket into which a pin can be inserted to lock the lock nut.

In some alternative embodiments, the outer wall of the spring 42 abuts against the inner wall of the insulator fitting 10. In this way, radial displacement of the spring 42 during expansion and contraction can be avoided, thereby improving the stability of expansion and contraction of the spring 42.

The foregoing are only some embodiments of the invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a be provided with shock-absorbing structure's high voltage porcelain insulator, includes insulator gold utensil (10), and link fitting (30) that link to each other with the outside are connected through damper (40) in insulator gold utensil (10), its characterized in that, damper (40) include:

the upper end of the connecting piece (41) is fixed on the connecting hardware fitting (30), and the lower end of the connecting piece (41) extends into the insulator hardware fitting (10); wherein the connecting piece (41) comprises a fixed block (4101) and a movable block (4102);

one end of the fixed block (4101) is fixedly connected with the connecting fitting (30), and the other end of the fixed block (4101) is in threaded connection with the movable block (4102);

wherein at least two of said movable blocks (4102) are threaded in sequence so as to adjust the overall length of said movable blocks (4102);

a limit lantern ring (43) arranged on the outer ring of the connecting piece (41);

the spring (42) is sleeved on the connecting piece (41), the upper end of the spring (42) is abutted against the inner wall of the upper part of the insulator hardware fitting (10), and the lower end of the spring (42) is abutted against the limiting lantern ring (43); and

and the locking block (44) is connected with the connecting piece (41), the outer ring sleeve of the locking block (44) is provided with a locking nut, and the locking nut is used for abutting against the limiting lantern ring (43).

2. The high-voltage porcelain insulator provided with the shock-absorbing structure according to claim 1, wherein the outer wall of the fixed block (4101) is flush with the outer wall of the movable block (4102).

3. The high-voltage porcelain insulator provided with the shock-absorbing structure according to claim 1, wherein the locking block (44) is detachably connected to the movable block (4102).

4. The high-voltage porcelain insulator provided with the shock absorption structure according to claim 1, wherein one end of the insulator hardware (10) is connected with an insulator (60), and the other end is connected with the connecting hardware (30) through the shock absorption assembly (40).

5. The high-voltage porcelain insulator provided with the shock absorption structure is characterized in that one end of the insulator fitting (10) close to the connecting fitting (30) is provided with a detachable gland (20), wherein the upper end of the spring (42) abuts against the inner side wall of the gland (20).

6. The high-voltage porcelain insulator with the shock absorption structure as claimed in claim 5, wherein a first magnetic ring (51) is fixedly connected to an end surface of the gland (20) close to the insulator hardware (10), and a second magnetic ring (52) is arranged between the position limiting collar (43) and the lock nut, wherein the first magnetic ring (51) and the second magnetic ring (52) have the same magnetism.

7. The high-voltage porcelain insulator provided with the shock absorbing structure as claimed in claim 6, wherein an outer wall of the second magnetic ring (52) is in contact with an inner wall of the insulator hardware (10).

8. The high-voltage porcelain insulator with the shock absorption structure is characterized in that a socket is formed at one end, away from the connecting piece (41), of the locking block (44), and a bolt can be inserted into the socket so as to lock the locking nut.

9. The high-voltage porcelain insulator provided with the shock-absorbing structure according to claim 1, wherein an outer wall of the spring (42) abuts against an inner wall of the insulator hardware (10).