CN211127070U

CN211127070U - Lightning arrester with anti-seismic and crosswind-proof structure

Info

Publication number: CN211127070U
Application number: CN201921809081.4U
Authority: CN
Inventors: 潘玉琴; 王利君
Original assignee: Zhenjiang Shengchao Electronic Co ltd
Current assignee: Zhenjiang Shengchao Electronic Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-28
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a lightning arrester with anti-seismic and anti-crosswind structure, which comprises a core body and a porcelain bushing, wherein the core body is arranged inside the porcelain bushing, a lower electrode is connected with a mounting plate, fixing piles are symmetrically arranged at two ends of the top surface of the mounting plate, a spring is arranged at the bottom of the mounting plate, and the bottom end of the spring is fixedly connected with a base; the outer wall from the top equipartition of porcelain bushing has the boss, and has seted up the recess on the boss, the block has the fastener in the recess, the outer wall of following of fastener is provided with the cable loop, and the cable loop is used for tying up the stay cord. This arrester with structure is prevented crosswind by antidetonation is provided with fastener and stay cord, and the fastener cooperation stay cord is used, can produce certain resistance to the swing of arrester body, reduces its swing range, avoids the arrester body to be pulled and bent the damage, and the stay cord is fixed can make the arrester body be in pulling force pretension state all the time to form certain holding power to the arrester body, can block stronger crosswind.

Description

Lightning arrester with anti-seismic and crosswind-proof structure

Technical Field

The utility model relates to a lightning arrester with structure is prevented crosswind by antidetonation.

Background

The lightning arrester is used for protecting electrical equipment from being damaged by high transient overvoltage during lightning stroke, limiting follow current time and normally limiting follow current amplitude, is sometimes called as an overvoltage protector and an overvoltage limiter, and the lower end of the lightning arrester is generally rigidly connected with a base.

When the environment of the traditional lightning arrester meets large transverse wind power, the transmission conductor can swing to a large extent, and because the bottom of the lightning arrester is in a rigid connection state, when the wind power reaches a certain speed, the swinging force of the conductor is too large, or the lightning arrester is poor in strength due to factors such as production quality or aging, safety accidents such as breakage and damage of the lightning arrester are easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arrester with anti-seismic cross wind structure of preventing to solve the arrester that proposes in the above-mentioned background art when the environment meets great horizontal wind-force, can make transmission wire produce swing by a wide margin, because the arrester bottom is in the rigid connection state, when wind-force reaches certain speed and leads to wire pendulum power too big, or the arrester is by production quality or when ageing etc. factor intensity is relatively poor, the problem of incident such as arrester fracture damage appears easily.

In order to achieve the above object, the utility model provides a following technical scheme: a lightning arrester with an anti-seismic and crosswind-resistant structure comprises a core body and a porcelain bushing, wherein the core body is arranged inside the porcelain bushing, the lower end of the core body is connected with a lower electrode, the upper end of the core body is connected with an upper electrode, and the upper electrode and the lower electrode are respectively fixed at two ends of the porcelain bushing;

the lower electrode is connected with the mounting plate, fixing piles are symmetrically arranged at two ends of the top surface of the mounting plate, a spring is arranged at the bottom of the mounting plate, and a base is fixedly connected to the bottom end of the spring; the upper electrode is connected with the connector, and the connector is connected with the connector lug through a cable;

the outer wall from the top equipartition of porcelain bushing has the boss, and has seted up the recess on the boss, the block has the fastener in the recess, the outer wall of following of fastener is provided with the cable loop, and the cable loop is used for tying up the stay cord, the other end of stay cord is tied up on the spud pile.

Preferably, the fastener is a hollow two-section structure, an expansion link is sleeved in the fastener, the two sections of the fastener are connected through the expansion link, a plurality of screw holes are formed in the expansion link, and bolts matched with the screw holes are arranged at ports of the fastener.

Preferably, the inner ring wall of the fastener is fixedly connected with a non-slip mat.

Preferably, two rope buckles are uniformly distributed on the outer edge wall of the fastener.

Preferably, the number of the springs is five.

Preferably, the outer wall of the fastener is tightly attached to the local inner wall of the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that five springs are arranged between the mounting plate and the base, when the device encounters crosswind or vibration, the springs can play a certain role in shock resistance and buffer, thereby improving the stability and safety of the device;

2. the utility model discloses the fastener cooperates the stay cord to use, can produce certain resistance to the swing of arrester body, reduces its swing range, avoids the arrester body to be pulled and bent and damaged, and the stay cord is fixed can make the arrester body be in the pulling force pretension state all the time to form certain holding power to the arrester body, can block stronger crosswind;

3. the utility model discloses fastener cooperation telescopic link can adjust the size of fastener, makes it can be applicable to not equidimension arrester body, and the slipmat plays certain antiskid, increases the frictional force between fastener and the recess, makes the fastener can block fixed more firm.

Drawings

FIG. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a schematic view of the fastener of the present invention;

fig. 3 is an enlarged schematic view of the fastener a of the present invention.

In the figure: 1. a base; 2. a spring; 3. mounting a plate; 4. fixing the pile; 5. a core body; 6. a porcelain bushing; 7. a lower electrode; 8. an upper electrode; 9. a connector; 10. a connector lug; 11. a cable; 12. a boss; 13. a groove; 14. pulling a rope; 15. a fastener; 151. a bolt; 152. a non-slip mat; 153. a rope fastener; 16. a telescopic rod; 161. and a screw hole.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a lightning arrester with an anti-seismic and crosswind-resistant structure comprises a core body 5 and a porcelain bushing 6, wherein the core body 5 is arranged inside the porcelain bushing 6, the lower end of the core body 5 is connected with a lower electrode 7, the upper end of the core body is connected with an upper electrode 8, and the upper electrode 8 and the lower electrode 7 are respectively fixed at two ends of the porcelain bushing 6; the lower electrode 7 is connected with the mounting plate 3, the fixing piles 4 are symmetrically arranged at two ends of the top surface of the mounting plate 3, the springs 2 are arranged at the bottom of the mounting plate 3, the base 1 is fixedly connected to the bottom ends of the springs 2, the number of the springs 2 is five, and the five springs 2 are arranged between the mounting plate 3 and the base 1, so that the springs 2 can play a certain role in shock resistance and buffer when encountering crosswind or vibration, and the stability and the safety of the device are improved;

the upper electrode 8 is connected with a connector 9, and the connector 9 is connected with a connector lug 10 through a cable 11; bosses 12 are uniformly distributed on the outer wall of the porcelain bushing 6 from top to bottom, a groove 13 is formed in the boss 12, a fastening piece 15 is clamped in the groove 13, the outer wall of the fastening piece 15 is tightly attached to the local inner wall of the groove 13, the fastening piece 15 is matched with a pull rope 14 for use, certain resistance can be generated to the swinging of the lightning arrester body, the swinging amplitude of the lightning arrester body is reduced, the lightning arrester body is prevented from being pulled, bent and damaged, the lightning arrester body can be always in a tension pre-tightening state due to the fixation of the pull rope 14, certain supporting force can be formed on the lightning arrester body, stronger transverse wind can be blocked, the fastening piece 15 is of a hollow two-section structure, a telescopic rod 16 is sleeved inside the fastening piece 15, the two sections of fastening pieces 15 are connected through the telescopic rod 16, a plurality of screw holes 161 are formed in the telescopic rod 16, bolts 151 matched with, the size of the fastener 15 can be adjusted, so that the fastener can be suitable for lightning arrester bodies with different sizes;

fixedly connected with slipmat 152 on the inner circle wall of fastener 15, slipmat 152 plays certain anti-skidding effect, increase the frictional force between fastener 15 and the recess 13, it is more firm that messenger's fastener 15 can the block be fixed, fastener 15 is provided with cable loop 153 along the wall outward, and cable loop 153 is used for tying up stay cord 14, cable loop 153 has two along the wall equipartition outside fastener 15, the holding power that makes stay cord 14 provide is more symmetrical, can be better must concentrate on the arrester body, stay cord 14's the other end is tied up on spud pile 4.

The working principle is as follows: for the lightning arrester with the anti-seismic and anti-crosswind structure, firstly, a lightning arrester body is fixed on a mounting plate 3, a spring 2 is installed at the bottom of the mounting plate 3, when crosswind or vibration occurs, the spring 2 can play a certain anti-seismic buffering role, the stability and the safety of the device are improved, the whole device is fixed by using a base 1, then a bolt 151 is unscrewed by hand, fasteners 15 at two ends are pulled outwards to separate the fasteners 15, meanwhile, an expansion link 16 is extended, after the fasteners 15 are adjusted to the proper size, the fasteners 15 are sleeved in a groove 13, at the moment, the expansion link 16 is compressed to contract the expansion link 16, when the outer wall of the fastener 15 can be tightly attached to the local inner wall of the groove 13, the bolt 151 is screwed by aligning a proper screw hole 161, so that the fastener 15 is fixedly clamped in the groove 13, and an anti-slip mat 152 is fixedly connected to the inner ring wall of the fastener 15, the anti-slip pad 152 plays a certain anti-slip role, so that the friction force between the fastening piece 15 and the groove 13 is increased, and the fastening piece 15 can be clamped and fixed more firmly;

get the stay cord 14 that is fit for length and thickness, fix the one end of stay cord 14 on the cable loop 153, the other end is fixed on spud pile 4, and stay cord 14 is fixed to make the arrester body be in pulling force pretension state all the time to the arrester body forms certain holding power, can block stronger crosswind, the utility model relates to a core, insulator and the relevant technique of telescopic link be the prior art that has disclosed, accomplish the use of whole arrester that has antidetonation and prevent crosswind structure just so.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lightning arrester with structure is prevented crosswind by antidetonation which characterized in that: the ceramic insulator comprises a core body (5) and a ceramic sleeve (6), wherein the core body (5) is arranged inside the ceramic sleeve (6), the lower end of the core body (5) is connected with a lower electrode (7), the upper end of the core body is connected with an upper electrode (8), and the upper electrode (8) and the lower electrode (7) are respectively fixed at two ends of the ceramic sleeve (6);

the lower electrode (7) is connected with the mounting plate (3), the two ends of the top surface of the mounting plate (3) are symmetrically provided with fixing piles (4), the bottom of the mounting plate (3) is provided with a spring (2), and the bottom end of the spring (2) is fixedly connected with a base (1); the upper electrode (8) is connected with the connector (9), and the connector (9) is connected with the connector lug (10) through a cable (11);

the outer wall from the top equipartition of insulator (6) has boss (12), and has seted up recess (13) on boss (12), the block has fastener (15) in recess (13), the outer wall of following of fastener (15) is provided with cable loop (153), and cable loop (153) are used for tying up stay cord (14), the other end of stay cord (14) is tied up on spud pile (4).

2. A surge arrester with a structure for resisting earthquake and crosswind according to claim 1, wherein: fastener (15) are two hollow segmentation structures, and telescopic link (16) have been cup jointed to the inside of fastener (15), two sections fastener (15) are connected through telescopic link (16), be provided with a plurality of screw holes (161) on telescopic link (16), the port of fastener (15) all is provided with bolt (151) with screw hole (161) adaptation.

3. A surge arrester with a structure for resisting earthquake and crosswind according to claim 2, characterized in that: and the inner ring wall of the fastener (15) is fixedly connected with an anti-skid pad (152).

4. A surge arrester with a structure for resisting earthquake and crosswind according to claim 1, wherein: two rope fasteners (153) are uniformly distributed on the outer edge wall of the fastener (15).

5. A surge arrester with a structure for resisting earthquake and crosswind according to claim 1, wherein: the number of the springs (2) is five.

6. A surge arrester with a structure for resisting earthquake and crosswind according to claim 1, wherein: the outer wall of the fastener (15) is tightly attached to the local inner wall of the groove (13).