CN217485168U

CN217485168U - Gravity self-locking insulator

Info

Publication number: CN217485168U
Application number: CN202220297031.8U
Authority: CN
Inventors: 黄义; 黎阳
Original assignee: Wuhan Line Power Transmission Equipment Co ltd
Current assignee: Wuhan Line Power Transmission Equipment Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-09-23
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses an insulator technical field's a gravity self-locking insulator, including glass fiber rod core, glass fiber rod core's one end sets up the connection end, glass fiber rod core keeps away from the one end of connecting the end and sets up the connecting block, the one end that glass fiber rod core was kept away from to the connecting block sets up the fixed block, the connecting block sets up the connector towards the one end of fixed block, the one end that the connecting block was kept away from to the connector sets up the limiting plate, the spread groove is seted up towards the top of connecting block one end to the fixed block, the spacing groove is seted up to the one end that the spread groove was kept away from to the fixed block, spacing groove is towards the one end and the spread groove through connection of spread groove, connector and limiting plate are inserted respectively with spread groove and spacing groove and are established and are connected, the top inner wall of spacing groove sets up the stopper. The device is simple to use, can connect the insulator and the fixed block in a limiting manner through the connecting block and the self gravity of the insulator when the high-voltage line and the high-voltage tower are connected, and is simple in structure and reliable in connection strength.

Description

Gravity self-locking insulator

Technical Field

The utility model relates to an insulator technical field specifically is a gravity self-locking type insulator.

Background

A device capable of withstanding the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. Insulators are various in types and shapes. Although the structures and the shapes of different types of insulators are greatly different, the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting. The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line.

The insulator is used as an indispensable safety control in high-voltage and extra-high-voltage transmission lines, and the connection strength of the insulator and a line directly influences the transmission efficiency of the line. In the prior art, most insulators are all connected with high-voltage line through the screw thread, and when using bolted connection, along with the increase of insulator live time, its link screw thread with the high-voltage line tower can age gradually, reduces joint strength, direct influence line transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gravity is from locking type insulator to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a gravity self-locking insulator, includes glass fiber rod core, glass fiber rod core's one end sets up the connection end, glass fiber rod core keeps away from the one end of connecting the end and sets up the connecting block, the one end that glass fiber rod core was kept away from to the connecting block sets up the fixed block, the connecting block sets up the connector towards the one end of fixed block, the one end that the connecting block was kept away from to the connector sets up the limiting plate, the spread groove is seted up towards the top of connecting block one end to the fixed block, the spacing groove is seted up to the one end that the spread groove was kept away from to the fixed block, the one end and the spread groove through connection of spacing groove orientation spread groove, connector and limiting plate are inserted respectively with spread groove and spacing groove and are established and are connected, the top inner wall of spacing groove sets up the stopper.

As a further aspect of the present invention: the side wall of the limiting groove matched with the limiting block in position is provided with a through groove, the limiting block and the through groove are movably connected in a penetrating mode, and installation and moving space of the limiting block are provided through the through groove.

As the utility model discloses further scheme again: the top of stopper sets up the arcwall face, the stopper is located the one end that runs through the inslot wall and evenly sets up a plurality of reset spring, can drive stopper automatic re-setting through reset spring.

As the utility model discloses further scheme again: an inner thread groove is formed in the inner wall of one end, far away from the glass fiber rod core, of the connecting end, and the insulator can be connected with a circuit through the matching of the inner thread groove and the connecting end.

As the utility model discloses further scheme again: the outer wall that glass fiber rod core is located between connection end and the connecting block evenly sets up a plurality of ceramic insulation pieces, increases the insulating nature of insulator, avoids the creepage.

As a further aspect of the present invention: the one end that the connecting block was kept away from to the fixed block sets up the fixed plate, the lateral wall that the fixed plate is located the fixed block both sides evenly sets up a plurality of fixing bolt, can be connected the fixed block with high-tension electricity tower spacing through fixing bolt cooperation fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, can fix the fixed block on high-voltage electric pressure through fixing bolt and fixed plate, then insert with connector and limiting plate respectively with spread groove and spacing groove and establish the connection, when establishing the connection inserting, the extrusion stopper drives stopper automatic re-setting through reset spring when connector and limiting plate get into spacing groove and spread groove bottom, restricts spread groove and limiting groove's limiting plate and connector. This device is simple to use, lies in high-voltage line and high-voltage electric tower and connects when, and the self gravity of accessible connecting block and insulator is connected the insulator and is spacing with the fixed block, simple structure, and joint strength is reliable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of an exploded structure of the middle insulator and the fixing block of the present invention;

fig. 4 is the utility model discloses the enlarged schematic view of the back vision structure of well stopper.

In the figure: 1. a glass fiber rod core; 2. a ceramic insulating sheet; 3. connecting the end heads; 4. an internal thread groove; 5. connecting blocks; 6. a fixed block; 7. a fixing plate; 8. fixing the bolt; 9. a limiting groove; 10. connecting grooves; 11. a through groove; 12. an arc-shaped surface; 13. a connector; 14. a limiting plate; 15. a limiting block; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 ~ 4, in the embodiment of the utility model, a gravity self-locking insulator, including glass fiber rod core 1, glass fiber rod core 1's one end sets up connection end 3, glass fiber rod core 1 keeps away from the one end of connection end 3 and sets up connecting block 5, connecting block 5 keeps away from glass fiber rod core 1's one end and sets up fixed block 6, connecting block 5 sets up connector 13 towards the one end of fixed block 6, connector 13 keeps away from the one end of connecting block 5 and sets up limiting plate 14, fixed block 6 sets up spread groove 10 towards the top of 5 one ends of connecting block, spacing groove 9 is seted up to the one end that spread groove 10 was kept away from to fixed block 6, spacing groove 9 is towards the one end and the spread groove 10 through connection of spread groove 10, connector 13 and limiting plate 14 insert with spread groove 10 and spacing groove 9 respectively and establish and be connected, the top inner wall of spacing groove 9 sets up stopper 15.

The side wall of the limiting groove 9, which is matched with the limiting block 15 in position, is provided with a through groove 11, the limiting block 15 and the through groove 11 are movably connected in a penetrating manner, and the through groove 11 provides installation and moving space for the limiting block 15.

The top of stopper 15 sets up arcwall face 12, and stopper 15 is located the one end that runs through 11 inner walls in groove and evenly sets up a plurality of reset spring 16, can drive stopper 15 automatic re-setting through reset spring 16.

The inner wall of one end of the connecting end 3, which is far away from the glass fiber rod core 1, is provided with an inner thread groove 4, and the insulator can be connected with a circuit by matching the connecting end 3 with the inner thread groove 4.

The outer wall that glass fiber rod core 1 is located between connection end 3 and connecting block 5 evenly sets up a plurality of ceramic insulation pieces 2, increases the insulating nature of insulator, avoids the creepage.

One end that connecting block 5 was kept away from to fixed block 6 sets up fixed plate 7, and the lateral wall that fixed plate 7 is located 6 both sides of fixed block evenly sets up a plurality of fixing bolt 8, and it is spacing to be connected fixed block 6 and high-tension electricity tower through 8 cooperation fixed plates of fixing bolt 7.

The utility model discloses a theory of operation is: use this device when protecting high-tension line and high-tension electricity tower, only need to be connected glass fiber rod core 1 and high-tension line through connecting 3 internal thread grooves 4 of end, then fix the suitable position on high-tension electricity tower with fixed plate 7 through fixing bolt 8, when connecting, only need to insert with connector 13 and limiting plate 14 and spacing groove 9 and spread groove 10 and establish the connection, receive the influence of gravity, connector 13 and limiting plate 14 landing to the bottom of spacing groove 9 and spread groove 10, at the in-process that falls down, extrude stopper 15 and reset spring 16, when it falls to the bottom, reset spring 16 drives stopper 15 automatic re-setting, it is spacing to limiting plate 14, accomplish the auto-lock.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gravity self-locking type insulator, includes glass fiber rod core (1), its characterized in that: one end of glass fiber rod core (1) sets up connection end (3), the one end that connection end (3) were kept away from to glass fiber rod core (1) sets up connecting block (5), the one end that glass fiber rod core (1) was kept away from to connecting block (5) sets up fixed block (6), connecting block (5) set up connector (13) towards the one end of fixed block (6), the one end that connecting block (5) were kept away from to connector (13) sets up limiting plate (14), spread groove (10) are seted up towards the top of connecting block (5) one end to fixed block (6), spacing groove (9) are seted up to the one end that spread groove (10) were kept away from to fixed block (6), one end and spread groove (10) through connection of spacing groove (9) orientation spread groove (10), connector (13) and limiting plate (14) insert respectively with spread groove (10) and spacing groove (9) and establish the connection, the top end inner wall of the limiting groove (9) is provided with a limiting block (15).

2. A gravity self-locking insulator according to claim 1, wherein: the side wall of the limiting groove (9) matched with the limiting block (15) is provided with a through groove (11), and the limiting block (15) is movably connected with the through groove (11) in a penetrating mode.

3. The gravity self-locking insulator according to claim 1, wherein: the top of stopper (15) sets up arcwall face (12), stopper (15) are located the one end that runs through groove (11) inner wall and evenly set up a plurality of reset spring (16).

4. A gravity self-locking insulator according to claim 1, wherein: an inner thread groove (4) is formed in the inner wall of one end, far away from the glass fiber rod core (1), of the connecting end (3).

5. A gravity self-locking insulator according to claim 1, wherein: the outer wall of the glass fiber rod core (1) between the connecting end (3) and the connecting block (5) is uniformly provided with a plurality of ceramic insulating sheets (2).

6. The gravity self-locking insulator according to claim 1, wherein: one end of the fixing block (6) far away from the connecting block (5) is provided with a fixing plate (7), and a plurality of fixing bolts (8) are uniformly arranged on the side walls of the fixing plate (7) located on two sides of the fixing block (6).