CN214755454U

CN214755454U - Lightning arrester for power equipment

Info

Publication number: CN214755454U
Application number: CN202120971777.8U
Authority: CN
Inventors: 黄海能; 王吴玲
Original assignee: Anhui Zhonglian Power Construction Co ltd
Current assignee: Anhui Zhonglian Power Construction Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-16
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a lightning arrester for power equipment, the utility model relates to an electric power engineering technical field. This arrester for power equipment, through rotating the cover and rotating, let rotate the cover and drive the screw rod downstream, make the one end of carriage release lever through the perk, thereby let the upper end cover take binding post and last aluminium terminal seat and the top separation of synthetic sheath and sealed tube, then take off the outside of sealed tube with the synthetic sheath that damages, change new synthetic sheath, drive the screw rod through rotating the cover and rotate, open the one end of arrester, simplify and change the step, make the staff can change the synthetic sheath of damage fast, again through last sealed cowling with the outside bolt of sealed cowling with down with last binding post cover with down inside of sealed cowling, can seal up sealed cowling and lower sealed cowling with the external world through sealed pad and sealing washer, can make the arrester can not easily arouse the accident because of weing like this.

Description

Lightning arrester for power equipment

Technical Field

The utility model relates to an electric power engineering technical field specifically is a lightning arrester for power equipment.

Background

The lightning arrester is an electric appliance for protecting electric equipment from being damaged by high transient overvoltage during lightning stroke, limiting follow current time and normally limiting follow current amplitude. Arresters are sometimes referred to as overvoltage protectors, overvoltage limiters, ac gapless metal oxide arresters are used to protect the insulation of ac power transmission and transformation equipment from lightning overvoltages and operational overvoltages. The overvoltage protection circuit is suitable for overvoltage protection of transformers, transmission lines, distribution panels, switch cabinets, power metering boxes, vacuum switches, parallel compensation capacitors, rotating motors, semiconductor devices and the like.

At present, when the arrester used in the electric power engineering is used, most of the synthetic sheaths outside the arrester are seriously polluted and damaged on the surface of the synthetic sheath when the arrester is used for a long time, so that the voltage distribution is very uneven, the parallel resistor is burnt out to cause faults, or the lead of the arrester is not well sealed, and the water can enter the arrester to be wetted and easily cause accidents, therefore, the arrester for the electric power equipment is provided by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a lightning arrester for power equipment, the surface of having solved synthetic sheath receives serious pollution damage, will make voltage distribution very inhomogeneous, can burn out parallel resistance and arouse the trouble, perhaps lightning arrester lead wire department is sealed not good, can intake and wet the problem that easily arouses the accident.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a lightning arrester for power equipment, includes sealed tube and the zinc oxide module of setting in the sealed tube inside, the outside cover of sealed tube is equipped with synthetic sheath, the equal sliding connection in top and the bottom of synthetic sheath has fixed establishment, fixed establishment includes the support frame, the right side fixedly connected with lower extreme cover of support frame horizontal pole, the left side at support frame horizontal pole top is rotated through the pivot and is connected with the lead screw, the top threaded connection of lead screw has the rotation cover, the top of rotating the cover is rotated through the pivot and is connected with the carriage release lever, the bottom of carriage release lever just is located the right side of rotating the cover and is rotated through the movable block with the top of support frame montant and is connected, the right side fixedly connected with upper end cover of carriage release lever.

Preferably, the top of the upper end cover is fixedly connected with an upper wiring terminal, the bottom of the upper wiring terminal penetrates through the upper end cover and extends to the bottom of the upper end cover, and the bottom of the upper wiring terminal is fixedly connected with an upper aluminum terminal base.

Preferably, the bottom of the lower end cover is fixedly connected with a lower wiring terminal, the bottom of the lower wiring terminal penetrates through the lower end cover and extends to the top of the end cover, and the top of the lower wiring terminal is fixedly connected with a lower aluminum terminal base.

Preferably, the top of the upper end cover and the bottom of the lower end cover are both fixedly connected with a sealing mechanism.

Preferably, the sealing mechanism comprises an upper sealing cover and a lower sealing cover, the outer portion of the upper sealing cover is fixedly connected with the top of the upper end cover through a bolt, the outer portion of the lower sealing cover is fixedly connected with the bottom of the lower end cover through a bolt, sealing gaskets are fixedly connected with the inner cavities of the upper sealing cover and the lower sealing cover, connecting holes are formed in the top of the upper sealing cover and the bottom of the lower sealing cover, the inner surface of each connecting hole is fixedly connected with a high-voltage wire through a sealing ring, and the top of the inner cavity of the upper sealing cover and the bottom of the inner cavity of the lower sealing cover are fixedly connected with lime sponge.

Preferably, the corresponding sides of the upper and lower aluminum terminal blocks penetrate the top and bottom of the sealing tube to contact with the top and bottom of the zinc oxide module.

Advantageous effects

The utility model provides a lightning arrester for power equipment. Compared with the prior art, the method has the following beneficial effects:

(1) this arrester for power equipment, there is the damage on the synthetic sheath of staff's detection discovery, it rotates to rotate the cover, let rotate the cover and drive the screw rod downstream, the perk is passed through to the one end that makes the carriage release lever, thereby let the upper end cover take binding post and last aluminium terminal seat and the top separation of synthetic sheath and sealed tube, then take off the synthetic sheath that will damage from the outside of sealed tube, the synthetic sheath of renewal, can drive the screw rod through rotating the cover and rotate like this, open the one end of arrester, simplify the change step, make the synthetic sheath that the staff can change the damage fast.

(2) This arrester for power equipment, through being connected last sealed cowling and the inside high tension line of lower sealed cowling with last binding post's top and the bottom of lower binding post, again through last sealed cowling with the outside bolt of lower sealed cowling with last binding post cover in the inside of last sealed cowling with lower binding post cover, can be sealed with external world through sealed pad and sealing washer with last sealed cowling under with sealed cowling like this, let the rainwater not get into last sealed cowling and lower sealed cowling, make the arrester can not easily cause the accident because of weing.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a partial enlarged view of the point A in FIG. 2 according to the present invention

Fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a sealing tube; 2. a zinc oxide module; 3. synthesizing a sheath; 4. a fixing mechanism; 5. a support frame; 6. a lower end cover; 7. a screw rod; 8. rotating the sleeve; 9. a travel bar; 10. an upper end cover; 11. an upper wiring terminal; 12. an aluminum terminal base is arranged; 13. a lower wiring terminal; 14. a lower aluminum terminal block; 15. a sealing mechanism; 16. an upper sealing cover; 17. a lower seal cap; 18. a gasket; 19. connecting holes; 20. and (5) sealing rings.

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. 1-4, the present invention provides a technical solution: a lightning arrester for power equipment comprises a sealing tube 1 and a zinc oxide module 2 arranged inside the sealing tube 1, wherein a synthetic sheath 3 is sleeved outside the sealing tube 1, the top and the bottom of the synthetic sheath 3 are both connected with a fixing mechanism 4 in a sliding manner, the fixing mechanism 4 comprises a support frame 5, the right side of a cross rod of the support frame 5 is fixedly connected with a lower end cover 6, the left side of the top of the cross rod of the support frame 5 is rotatably connected with a lead screw 7 through a rotating shaft, the top of the lead screw 7 is connected with a rotating sleeve 8 through a thread, the top of the rotating sleeve 8 is rotatably connected with a movable rod 9 through a rotating shaft, the bottom of the movable rod 9 is positioned at the right side of the rotating sleeve 8 and is rotatably connected with the top of a vertical rod of the support frame 5 through a movable block, the right side of the movable rod 9 is fixedly connected with an upper end cover 10, the top of the upper end cover 10 is fixedly connected with an upper connecting terminal 11, the bottom of the upper connecting terminal 11 penetrates through the upper end cover 10 and extends to the bottom of the upper end cover 10, the bottom of an upper connecting terminal 11 is fixedly connected with an upper aluminum terminal base 12, the bottom of a lower end cover 6 is fixedly connected with a lower connecting terminal 13, the bottom of the lower connecting terminal 13 penetrates through the lower end cover 6 and extends to the top of the end cover, the top of the lower connecting terminal 13 is fixedly connected with a lower aluminum terminal base 14, a rotating sleeve 8 is rotated, the rotating sleeve 8 drives a screw rod 7 to move downwards, one end of a moving rod 9 is tilted, so that the upper end cover 10 drives the upper connecting terminal 11 and the upper aluminum terminal base 12 to be separated from a synthetic sheath 3 and the top of a sealing tube 1, then the damaged synthetic sheath 3 is taken down from the outside of the sealing tube 1, a new synthetic sheath 3 is replaced, the top of the upper end cover 10 and the bottom of the lower end cover 6 are both fixedly connected with sealing mechanisms 15, each sealing mechanism 15 comprises an upper sealing cover 16 and a lower sealing cover 17, the outside of the upper sealing cover 16 is fixedly connected with the top of the upper end cover 10 through a bolt, the outside of the lower sealing cover 17 is fixedly connected with the bottom of the lower end cover 6 through bolts, sealing gaskets 18 are fixedly connected with inner cavities of the upper sealing cover 16 and the lower sealing cover 17, connecting holes 19 are formed in the top of the upper sealing cover 16 and the bottom of the lower sealing cover 17, the inner surface of each connecting hole 19 is fixedly connected with a high-voltage wire through a sealing ring 20, and the corresponding sides of the upper aluminum terminal seat 12 and the lower aluminum terminal seat 14 penetrate through the top and the bottom of the sealing tube 1 and are in contact with the top and the bottom of the zinc oxide module 2.

And those not described in detail in this specification are well within the skill of those in the art.

When the composite sheath is used, firstly, a high-voltage wire inside the upper sealing cover 16 and the lower sealing cover 17 is connected with the top of the upper wiring terminal 11 and the bottom of the lower wiring terminal 13, then the upper wiring terminal 11 and the lower wiring terminal 13 are covered inside the upper sealing cover 16 and the lower sealing cover 17 through bolts outside the upper sealing cover 16 and the lower sealing cover 17, the upper sealing cover 16 and the lower sealing cover 17 are sealed with the outside through the sealing gasket 18 and the sealing ring 20, when a worker detects that the composite sheath 3 is damaged, the rotating sleeve 8 rotates, the rotating sleeve 8 drives the screw rod 7 to move downwards, one end of the moving rod 9 is tilted, the upper end cover 10 with the upper wiring terminal 11 and the upper aluminum terminal seat 12 is separated from the top of the composite sheath 3 and the top of the sealing tube 1, then the damaged composite sheath 3 is taken down from the outside of the sealing tube 1, and a new composite sheath 3 is replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 for power equipment, includes sealed tube (1) and sets up zinc oxide module (2) inside sealed tube (1), its characterized in that: the outside cover of sealed tube (1) is equipped with synthetic sheath (3), the equal sliding connection in top and the bottom of synthetic sheath (3) has fixed establishment (4), fixed establishment (4) are including support frame (5), the right side fixedly connected with lower end cover (6) of support frame (5) horizontal pole, the left side at support frame (5) horizontal pole top is rotated through the pivot and is connected with lead screw (7), the top threaded connection of lead screw (7) surface has rotation cover (8), the top of rotating cover (8) is rotated through the pivot and is connected with carriage release lever (9), the bottom of carriage release lever (9) just is located the right side of rotating cover (8) and is connected through the movable block rotation at the top of support frame (5) montant, the right side fixedly connected with upper end cover (10) of carriage release lever (9).

2. An arrester according to claim 1, characterized in that: the top fixedly connected with of upper end cover (10) goes up binding post (11), the bottom of going up binding post (11) runs through upper end cover (10) and extends to the bottom of upper end cover (10), the bottom fixedly connected with of going up binding post (11) goes up aluminium matter terminal seat (12).

3. An arrester according to claim 2, characterized in that: binding post (13) under the bottom fixedly connected with of lower extreme cover (6), the bottom of binding post (13) runs through lower extreme cover (6) and extends to the top of lower extreme cover (6) down, aluminium matter terminal seat (14) under the top fixedly connected with of binding post (13) down.

4. An arrester according to claim 1, characterized in that: and the top of the upper end cover (10) and the bottom of the lower end cover (6) are fixedly connected with sealing mechanisms (15).

5. An arrester according to claim 4, characterized in that: sealing mechanism (15) include upper seal cover (16) and lower seal cover (17), through bolt fixed connection between the outside of upper seal cover (16) and the top of upper end cover (10), through bolt fixed connection between the outside of lower seal cover (17) and the bottom of lower extreme cover (6), the equal fixedly connected with of inner chamber of upper seal cover (16) and lower seal cover (17) fills up sealed pad (18), connecting hole (19) have all been seted up with the bottom of lower seal cover (17) to the top of upper seal cover (16), through sealing washer (20) fixed connection between the internal surface of connecting hole (19) and the high tension line.

6. A lightning arrester according to claim 3, characterized in that: one corresponding side of the upper aluminum terminal seat (12) and one corresponding side of the lower aluminum terminal seat (14) penetrate through the top and the bottom of the sealing tube (1) and are in contact with the top and the bottom of the zinc oxide module (2).