CN217562460U

CN217562460U - Double-column high-voltage direct-current isolating switch

Info

Publication number: CN217562460U
Application number: CN202221576205.0U
Authority: CN
Inventors: 盖巧玉; 周宝旗
Original assignee: Hebei Huayuan Power Equipment Co ltd
Current assignee: Hebei Huayuan Power Equipment Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-11
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a twin columns high voltage direct current isolator, including the mesa, install first insulator and second insulator on the mesa respectively, be provided with first end on the first insulator, be provided with the second end on the second insulator, be fixed with the stand on the first end, be fixed with the horizontal pole on the stand, the slip cap is equipped with the barrel on the horizontal pole, is fixed with the switch seat on the second end, barrel and switch seat butt joint. The utility model discloses a switch slot of switch seat docks with the contact on the barrel, realizes the switch of circuit, and adopts the pull ring pull-down mode, and the workman of being convenient for adopts the application of force direction of brake pull rod convenient, can avoid the spring to reset through the cage after contact and switch slot disconnection, docks again.

Description

Double-column high-voltage direct-current isolating switch

Technical Field

The utility model relates to an isolator technical field specifically is a double column high voltage direct current isolator.

Background

The isolating switch is commonly called a disconnecting link, generally refers to a high-voltage isolating switch, namely an isolating switch with rated voltage of 1kV or more, and is usually called as an isolating switch for short, and is one of the most used electrical appliances in high-voltage switching electrical appliances.

The working principle and the structure of the device are simple, but the device has high requirements on working reliability due to large usage amount, and has large influence on the design, the establishment and the safe operation of a substation and a power plant.

At present, the brake opening work basically adopts the brake pull rod to pry open the locking structure of the connecting point, and the brake pull rod is too long due to the fact that the height position of part of switches is high, so that the whole force application is strenuous, and the force is insufficient, so that the difficulty is caused in the brake opening work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a twin columns high voltage direct current isolator to solve the hasp when high higher, the problem of the difficulty of switching off.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a twin columns high voltage direct current isolator, includes the mesa, install first insulator and second insulator on the mesa respectively, be provided with first end on the first insulator, be provided with the second end on the second insulator, be fixed with the stand on the first end, be fixed with the horizontal pole on the stand, sliding sleeve is equipped with the barrel on the horizontal pole, be fixed with the switch seat on the second end, the barrel docks with the switch seat.

Preferably, the contact is fixed on the barrel, and the switch seat is provided with a switch slot which is inserted into the contact in a sliding manner, so that the butt joint principle of a similar plug and socket can be met, and the installation stability is ensured.

Preferably, the inner wall of the barrel is provided with a limiting groove, the cross rod is fixedly provided with a limiting block which is arranged in a sliding mode with the limiting groove, the barrel is connected with the cross rod through a spring, and reset and butt joint can be achieved after the contact is separated from the switch groove.

Preferably, a first connecting rod is fixed on the cross rod, a second connecting rod is fixed on the cylinder body, and the first connecting rod and the second connecting rod are hinged to the transition plate and can be tightened inwards to facilitate horizontal telescopic movement of the cylinder body and the cross rod.

Preferably, be fixed with first square cover on the first end, be fixed with the first square pole that slides with first square cover and run through on the cab apron, the lower extreme of first square pole is fixed with the pull ring, can stimulate downwards, compares and sled the hasp, and is more laborsaving.

Preferably, the sliding sleeve is equipped with the cage on the switch seat, is fixed with the square pole of second on the cage, is fixed with the push pedal on the square pole of second, can drive the cage through the member promotion push pedal and remove.

Preferably, a second square sleeve is fixed on the second end, and the second square rod penetrates through the second square sleeve in a sliding mode to ensure that the isolation cover can be covered vertically and vertically.

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

1. the utility model discloses a switch seat's switch slot docks with the contact on the barrel, realizes the switch of circuit, and adopts the pull ring pull-down mode, and the workman of being convenient for adopts the application of force direction of brake pull rod convenient.

2. The utility model discloses a cage can avoid the spring to reset, dock again after contact and switch slot disconnection.

Drawings

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

fig. 2 is the utility model discloses a stopper and spacing groove cross-sectional view.

In the figure: 1. a table top; 11. a first insulator; 12. a second insulator; 13. a first end; 14. a second end; 15. a column; 16. a cross bar; 17. a barrel; 18. a switch base; 2. a contact; 21. a switch slot; 3. a limiting groove; 31. a limiting block; 32. a spring; 4. a first link; 41. a second link; 42. a transition plate; 43. a first square sleeve; 44. a first square pole; 45. a pull ring; 5. an isolation cover; 51. a second square bar; 52. pushing the plate; 53. a second square sleeve.

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.

Example I

Referring to fig. 1, a double-column high-voltage direct-current isolating switch includes a table top 1, a first insulator 11 and a second insulator 12 are respectively mounted on the table top 1, a first end 13 is disposed on the first insulator 11, a second end 14 is disposed on the second insulator 12, a column 15 is fixed on the first end 13, a cross rod 16 is fixed on the column 15, a cylinder 17 is slidably sleeved on the cross rod 16, a switch base 18 is fixed on the second end 14, and the cylinder 17 is in butt joint with the switch base 18.

Referring to fig. 1, the contact 2 is fixed on the barrel 17, and the switch seat 18 is provided with a switch slot 21 which is slidably inserted into the contact 2, so that the butt joint principle similar to a plug and a socket can be satisfied, and the stable installation can be ensured.

This embodiment is used: the contact 2 is inserted into the switch slot 21, so that the switch seat 18 is more stably butted with the cylinder 17.

Example II

Referring to fig. 1, in this embodiment, as further described in embodiment 1, a dual-column high-voltage dc isolation switch includes a table top 1, a first insulator 11 and a second insulator 12 are respectively installed on the table top 1, a first end 13 is installed on the first insulator 11, a second end 14 is installed on the second insulator 12, a column 15 is fixed on the first end 13, a cross bar 16 is fixed on the column 15, a cylinder 17 is slidably sleeved on the cross bar 16, a switch base 18 is fixed on the second end 14, and the cylinder 17 is in butt joint with the switch base 18.

Referring to fig. 1 and 2, the inner wall of the cylinder 17 is provided with a limiting groove 3, the cross bar 16 is fixed with a limiting block 31 which is slidably arranged with the limiting groove 3, and the cylinder 17 is connected with the cross bar 16 through a spring 32, so that the contact 2 can be reset and butted again after being separated from the switch groove 21.

This embodiment is used: the barrel 17 is prevented from slipping off the cross bar 16 and the spring 32 can be reset to the butt joint.

Example III

Referring to fig. 1, in this embodiment, as further described with respect to other embodiments, a dual-column high-voltage dc isolation switch includes a table top 1, a first insulator 11 and a second insulator 12 are respectively installed on the table top 1, the first insulator 11 is provided with a first end 13, the second insulator 12 is provided with a second end 14, a column 15 is fixed on the first end 13, a cross rod 16 is fixed on the column 15, a cylinder 17 is slidably sleeved on the cross rod 16, a switch base 18 is fixed on the second end 14, and the cylinder 17 is in butt joint with the switch base 18.

Referring to fig. 1, the contact 2 is fixed on the cylinder 17, and the switch base 18 is provided with a switch slot 21 which is slidably inserted into the contact 2, so that the butt joint principle similar to a plug and a socket can be satisfied, and the installation stability can be ensured.

Referring to fig. 1, a first connecting rod 4 is fixed on the cross bar 16, a second connecting rod 41 is fixed on the cylinder 17, and the first connecting rod 4 and the second connecting rod 41 are hinged to a transition plate 42 and can be tightened inwards to facilitate horizontal telescopic movement of the cylinder 17 and the cross bar 16.

Referring to fig. 1, a first square sleeve 43 is fixed on the first end 13, a first square rod 44 slidably penetrating the first square sleeve 43 is fixed on the transition plate 42, and a pull ring 45 is fixed at the lower end of the first square rod 44, so that the pull ring can be pulled downwards, which is more labor-saving than prying the lock catch.

Referring to fig. 1, the switch base 18 is slidably sleeved with an isolation cover 5, a second square rod 51 is fixed on the isolation cover 5, and a push plate 52 is fixed on the second square rod 51 and can push the push plate 52 to drive the isolation cover 5 to move.

Referring to fig. 1, a second square sleeve 53 is fixed on the second end 14, and the second square rod 51 is slidably penetrated through the second square sleeve 53, so as to ensure that the isolation cover 5 can be covered vertically.

This embodiment is used: when the switching-off is needed, the switching-off rod is adopted to pull the pull ring 45 to move downwards, so that the pull ring 45 drives the first connecting rod 4 and the second connecting rod 41 to form contraction motion, the cylinder 17 and the cross rod 16 are correspondingly contracted and translated, and the contact 2 is separated from the switch slot 21.

After the disconnection, the contact 2 can be reset and butted with the switch slot 21 through the spring 32, and meanwhile, when the disconnection occurs, the isolation cover 5 falls to cover the switch seat 18, so that the contact 2 is prevented from automatically resetting and butting with the switch slot 21 when the maintenance is carried out.

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 twin columns high voltage direct current isolator, includes mesa (1), its characterized in that: install first insulator (11) and second insulator (12) on mesa (1) respectively, be provided with first end (13) on first insulator (11), be provided with second end (14) on second insulator (12), be fixed with stand (15) on first end (13), be fixed with horizontal pole (16) on stand (15), sliding sleeve is equipped with barrel (17) on horizontal pole (16), be fixed with switch seat (18) on second end (14), barrel (17) and switch seat (18) butt joint.

2. The double-column high-voltage direct current isolating switch of claim 1, wherein: the contact (2) is fixed on the cylinder (17), and the switch seat (18) is provided with a switch groove (21) which is inserted into the contact (2) in a sliding manner.

3. The double-column high-voltage direct current isolating switch of claim 1, wherein: the inner wall of the barrel body (17) is provided with a limiting groove (3), a limiting block (31) which is arranged in a sliding mode with the limiting groove (3) is fixed on the cross rod (16), and the barrel body (17) is connected with the cross rod (16) through a spring (32).

4. The double-column high-voltage direct current isolating switch of claim 1, wherein: a first connecting rod (4) is fixed on the cross rod (16), a second connecting rod (41) is fixed on the cylinder body (17), and the first connecting rod (4) and the second connecting rod (41) are mutually hinged on the transition plate (42).

5. The double-column high-voltage direct current isolating switch according to claim 4, characterized in that: a first square sleeve (43) is fixed on the first end head (13), a first square rod (44) which is slidably penetrated through the first square sleeve (43) is fixed on the transition plate (42), and a pull ring (45) is fixed at the lower end of the first square rod (44).

6. The double-column high-voltage direct current isolating switch of claim 1, wherein: sliding sleeve is equipped with cage (5) on switch seat (18), is fixed with square pole of second (51) on cage (5), is fixed with push pedal (52) on the square pole of second (51).

7. The double-column high-voltage direct current isolating switch of claim 6, characterized in that: a second square sleeve (53) is fixed on the second end head (14), and the second square rod (51) and the second square sleeve (53) are in sliding penetration.