CN217822549U - Vacuum circuit breaker for generator outlet - Google Patents

Abstract

The utility model discloses a vacuum circuit breaker that generator export was used relates to vacuum circuit breaker technical field, including the circuit breaker main part, the week side of circuit breaker main part is pegged graft there is the plug, the plug includes that one end extends into the circuit breaker main part in and rather than sliding connection's inserted bar, the both sides that the inserted bar extends into the interior one end of circuit breaker main part all slide and are provided with the plate electrode, it drives the gag lever post that two plate electrode mutual slip were kept away from to slide in the inserted bar, the jack has been seted up to the week side of circuit breaker main part, the jack wholly is T shape structure, the tip of inserted bar extends into the circuit breaker main part through the vertical end of jack in, and two slides and keep away from the plate electrode extends into the horizontal end of jack in, this vacuum circuit breaker that generator export was used has realized the stable connection of plug and circuit breaker and convenient the demolising.

Description

Vacuum circuit breaker for generator outlet

Technical Field

The utility model relates to a vacuum circuit breaker technical field specifically is a vacuum circuit breaker that generator export was used.

Background

The vacuum circuit breaker for the outlet of the generator belongs to a special vacuum circuit breaker, and the vacuum circuit breaker for the outlet of the generator is mainly installed between the generator and a transformer and used for controlling and protecting the generator, so that the service switching program can be simplified, convenience is brought to debugging and maintenance of a unit, and the protection capability of equipment and the stability of a system are improved. The installation of a generator outlet dedicated circuit breaker is the most effective and economical measure for protecting the generator and the transformer. The method is widely used in the transformation of new power plants such as thermal power plants, hydroelectric power plants, pumped storage power plants and the like and old power plants at present. The vacuum circuit breaker is used as a protection and operation switch between the generator and the transformer at the outlet of the generator, and the vacuum circuit breaker needs to have the capability of switching on and off the short-circuit current of an engine source and a system source and also has the capability of bearing higher rated current;

however, when the existing vacuum circuit breaker is connected with a circuit, bolts are used for fixing, and then electric sparks are generated after electrification in order to prevent the bolts from loosening, so that welding and fixing are performed, and the later-period disassembly is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum circuit breaker that generator export was used to solve but when current vacuum circuit breaker connecting circuit, all use the bolt fastening, later in order to prevent that the bolt is not hard up, produce the electric spark after the circular telegram, can carry out welded fastening, lead to the later stage and dismantle the weak point of difficulty.

In order to achieve the above object, the present invention provides the following technical solutions: including the circuit breaker main part, the week side grafting of circuit breaker main part has the plug, the plug includes that one end extends into the circuit breaker main part in and rather than sliding connection's inserted bar, the both sides that the inserted bar extended into the circuit breaker main part in one end all slide and are provided with the plate electrode, it is provided with the gag lever post that drives two plate electrode mutual sliding and keep away from to slide in the inserted bar.

Preferably, the bottom of the breaker main body is fixedly connected with a mounting plate.

Preferably, the jack has been seted up to the week side of circuit breaker main part, the jack wholly is T shape structure, in the vertical end that the tip of inserted bar passes through the jack extended into the circuit breaker main part, two slided and keep away from the plate electrode extended into in the horizontal end of jack.

Preferably, the transverse end of the jack is internally provided with a squeezing plate in a sliding manner, and one side of the squeezing plate is provided with a second spring which drives the squeezing plate to slide close to the inserted rod.

Preferably, an accommodating cavity is formed in the inserted bar, the electrode plate and the limiting rod are arranged in the accommodating cavity, and the end part of the electrode plate penetrates through the inserted bar.

Preferably, the whole T-shaped structure that is of plate electrode, the plate electrode is located and holds intracavity one end and holds and be provided with the first spring that drives two plate electrodes and slide and be close to between the chamber.

Preferably, one side of inserted bar is provided with the transmission that drives the gag lever post and slide to between two plate electrodes, transmission includes and rotates the knob of being connected with the inserted bar, the bar groove has been seted up to one side that the gag lever post is close to the knob, the one end of knob extends into bar inslot and fixedly connected with gear, one side fixedly connected with in bar groove and gear engagement's rack.

Compared with the prior art, the utility model provides a pair of vacuum circuit breaker that generator export was used, through inserting the inserted bar in the jack, use transmission to drive the inserted bar and slide to between two plate electrodes, extrude two plate electrodes, make it keep away from each other and go into in the jack, through the stripper extrusion after that, make the plug stably fix in the jack.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of the plug provided by the embodiment of the present invention after being pulled out;

fig. 3 is a schematic cross-sectional view of a jack structure provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a plug provided in an embodiment of the present invention;

fig. 5 is an exploded schematic view of a plug structure provided by an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a plug structure provided in an embodiment of the present invention;

fig. 7 is a schematic view of a structure of the transmission device and the electrode plate according to the embodiment of the present invention.

Description of the reference numerals: 1. a breaker main body; 11. a jack; 2. mounting a plate; 3. a plug; 31. inserting a rod; 311. an accommodating chamber; 32. a transmission device; 321. a limiting rod; 3211. a strip-shaped groove; 3212. a rack; 322. a gear; 323. a knob; 3231. locking the bolt; 33. an electrode plate; 331. a first spring; 4. a compression plate; 41. a second spring; 42. an electrode sheet.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Please refer to fig. 1-7, the embodiment of the present invention provides a vacuum circuit breaker for generator export, including circuit breaker main body 1, circuit breaker main body 1 is vacuum circuit breaker, and for prior art, the plug 3 is inserted in the week side of circuit breaker main body 1, and the plug 3 includes that one end extends into circuit breaker main body 1 and rather than sliding connection's inserted bar 31, and the both sides of one end all slide and are provided with plate electrode 33 in the inserted bar 31 extends into circuit breaker main body 1, and the sliding is provided with the gag lever post 321 that drives two plate electrode 33 mutual sliding and keep away from in the inserted bar 31. The bottom of the breaker main body 1 is fixedly connected with a mounting plate 2.

Jack 11 has been seted up to the week side of circuit breaker main part 1, and jack 11 is whole to be T shape structure, and the inner wall fixed mounting that jack 11 transversely held and be close to vertical end has electrode slice 42, and electrode plate 33 and electrode slice 42 contact are switched on, and in the vertical end extension of jack 11 was passed through to the tip of inserted bar 31 goes into circuit breaker main part 1, two electrode plates 33 that slide and keep away from extended into the horizontal end of jack 11.

The horizontal end of the jack 11 is provided with the extrusion plate 4 in a sliding manner, one side of the extrusion plate 4 is provided with a second spring 41 which drives the extrusion plate 4 to slide close to the insertion rod 31, the extrusion plate 4 extrudes the insertion rod 31 to enable the electrode plate 33 to be in close contact with the electrode plate 42, and two ends of the second spring 41 are respectively fixedly connected with the extrusion plate 4 and the jack 11.

The insertion rod 31 has an accommodating cavity 311 therein, the electrode plate 33 and the limiting rod 321 are both disposed in the accommodating cavity 311, and the end of the electrode plate 33 penetrates through the insertion rod 31.

The electrode plate 33 is integrally in a T-shaped structure, and a first spring 331 for driving the two electrode plates 33 to slide and approach is arranged between one end of the electrode plate 33 located in the accommodating cavity 311 and the accommodating cavity 311.

One side of inserted bar 31 is provided with the transmission 32 that drives gag lever post 321 and slide to between two electrode boards 33, and transmission 32 includes the knob 323 of being connected with inserted bar 31 rotation, and bar groove 3211 has been seted up to one side that gag lever post 321 is close to knob 323, and the one end of knob 323 extends into in the bar groove 3211 and fixedly connected with gear 322, one side fixedly connected with of bar groove 3211 and gear 322 meshing's rack 3212.

A locking bolt 3231 is connected to the top end of the knob 323 through a thread, an end portion of the locking bolt 3231 penetrates through the knob 323 and abuts against the insertion rod 31, the rotation position of the knob 323 is fixed, the rotation of the knob 323 is avoided, and the electrode plate 33 is loosened

When the electrode plate locking device is used, the inserting rod 31 is inserted into the inserting hole 11, the second spring 41 is stressed and compressed, then the knob 323 is rotated, the limiting rod 321 is made to slide to a position between the two electrode plates 33, the end part of each electrode plate 33 slides to extend out of the inserting rod 31, then the inserting rod 31 is loosened, the second spring 41 resets, the electrode plates 33 are driven to tightly abut against the electrode plates 42, and then the locking bolt 3231 is rotated, so that the locking bolt 3231 tightly abuts against the inserting rod 31;

during disassembly, the locking bolt 3231 is only required to be loosened, then the knob 323 is rotated reversely, the limiting rod 321 is enabled to fall between the two electrode plates 33, the first spring 331 drives the two electrode plates 33 to be close to each other and retract into the insertion rod 31, and then the plug 3 is pulled out.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims (7)

1. Vacuum circuit breaker for generator outlets, characterized by comprising a breaker body (1);

a plug (3) is inserted on the peripheral side of the breaker main body (1);

the plug (3) comprises an inserted rod (31) with one end extending into the breaker main body (1) and connected with the breaker main body in a sliding manner;

electrode plates (33) are arranged on two sides of one end, extending into the breaker main body (1), of the inserted rod (31) in a sliding manner;

a limiting rod (321) for driving the two electrode plates (33) to slide away from each other is arranged in the inserting rod (31) in a sliding mode.

2. Vacuum circuit breaker for generator outlets according to claim 1, characterized in that a mounting plate (2) is fixedly connected to the bottom of the breaker body (1).

3. The vacuum circuit breaker for generator outlet according to claim 1, wherein the circuit breaker main body (1) has a jack (11) formed on the periphery thereof, the jack (11) is integrally T-shaped, the end of the plug rod (31) extends into the circuit breaker main body (1) through the vertical end of the jack (11), and the two electrode plates (33) sliding away from each other extend into the lateral end of the jack (11).

4. Vacuum circuit breaker for generator outlet according to claim 3, characterized in that a pressing plate (4) is slidably arranged in the lateral end of the insertion hole (11), and a second spring (41) driving the pressing plate (4) to slide close to the insertion rod (31) is arranged on one side of the pressing plate (4).

5. The vacuum circuit breaker for generator outlet according to claim 1, wherein the insertion rod (31) has a receiving cavity (311) formed therein, the electrode plate (33) and the limiting rod (321) are both disposed in the receiving cavity (311), and the end of the electrode plate (33) penetrates through the insertion rod (31).

6. The vacuum circuit breaker for the generator outlet according to claim 5, wherein the electrode plate (33) is integrally T-shaped, and a first spring (331) for driving the two electrode plates (33) to slide close is arranged between one end of the electrode plate (33) located in the accommodating cavity (311) and the accommodating cavity (311).

7. The vacuum circuit breaker for the outlet of the generator according to claim 1, wherein one side of the insertion rod (31) is provided with a transmission device (32) for driving the limiting rod (321) to slide between the two electrode plates (33), the transmission device (32) comprises a knob (323) rotatably connected with the insertion rod (31), one side of the limiting rod (321) close to the knob (323) is provided with a strip-shaped groove (3211), one end of the knob (323) extends into the strip-shaped groove (3211) and is fixedly connected with a gear (322), and one side of the strip-shaped groove (3211) is fixedly connected with a rack (3212) meshed with the gear (322).

Images