CN214588587U

CN214588587U - Middle-mounted outdoor vacuum circuit breaker

Info

Publication number: CN214588587U
Application number: CN202120309557.9U
Authority: CN
Inventors: 王继贵; 饶庆忠
Original assignee: Zhejiang Fagao Electric Co ltd
Current assignee: Zhejiang Fagao Electric Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-02
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a vacuum circuit breaker's technical field discloses an outdoor vacuum circuit breaker of central system formula, and it includes the casing, the casing includes fixed case and fixed lid, be provided with the elevating system that the drive dead lever goes up and down on the fixed case, the fixed slot has been seted up to the up end of fixed case, elevating system is including setting up in the operation piece of fixed slot bottom, the handle hole is seted up to the up end of operation piece, threaded connection has the threaded rod in the handle hole, the up end of threaded rod rotates with the lower terminal surface of fixed lid to be connected, be provided with drive threaded rod pivoted driving piece on the operation piece, this application has the effect that improves vacuum circuit breaker adaptation case.

Description

Middle-mounted outdoor vacuum circuit breaker

Technical Field

The application relates to the technical field of vacuum circuit breakers, in particular to a middle-set outdoor vacuum circuit breaker.

Background

At present, an outdoor high-voltage vacuum circuit breaker is matched with a matched vacuum arc-extinguishing chamber, and has extremely high vacuum degree, and because the contact of the arc-extinguishing chamber is made of CuCr50 material and adopts a cup-shaped longitudinal magnetic field structure, the vacuum arc-extinguishing chamber has the characteristics of large breaking capacity, high insulation level, strong arc-extinguishing capability, long service life, small size and the like, and has the advantages of simple maintenance, no explosion hazard, no pollution, low noise and the like.

The middle-mounted vacuum circuit breaker in the related art comprises a fixed box, wherein a fixed cover is covered on the fixed box, and a high-voltage porcelain bushing is installed at the upper end of the fixed cover.

In view of the above-mentioned related art, the inventor considers that the heights of the existing fixing box and fixing cover are fixed, and when the height of the high-voltage porcelain bushing is adjusted, a different fixing box or fixing cover needs to be replaced, so that the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of the vacuum circuit breaker, the application provides a central outdoor vacuum circuit breaker.

The application provides a put outdoor vacuum circuit breaker in central formula adopts following technical scheme:

the utility model provides an outdoor vacuum circuit breaker of formula of putting in, includes the casing, the casing includes fixed case and fixed lid, be provided with the elevating system that the drive dead lever goes up and down on the fixed case, the fixed slot has been seted up to the up end of fixed case, elevating system is including setting up in the operation piece of fixed slot bottom, the handle hole is seted up to the up end of operation piece, threaded connection has the threaded rod in the handle hole, the up end of threaded rod rotates with the lower terminal surface of fixed lid to be connected, be provided with drive threaded rod pivoted driving piece on the operation piece.

By adopting the technical scheme, the driving piece drives the threaded rod to rotate, the threaded rod rotates and rises, and the threaded rod drives the fixed cover to rise, so that the high-voltage porcelain bushing arranged on the fixed cover rises; on the contrary, the reverse driving piece drives the threaded rod to reversely rotate, so that the fixing cover descends, the high-voltage porcelain bushing installed on the fixing cover descends, the position of the high-voltage porcelain bushing is adjusted, and the adaptability of the vacuum circuit breaker is improved.

Optionally, the driving piece is including setting up two backup pads on the operation piece and rotating the worm wheel of connecting on the operation piece, two it is connected with the worm to rotate between the backup pad, worm wheel and worm intermeshing, the jack that supplies the threaded rod to pass is seted up to the up end of worm wheel, the inner wall of jack is provided with the guide block, the guide way has been seted up to the periphery of threaded rod, the axis direction of threaded rod is followed to the guide way and the threaded rod is run through, the guide block slides and sets up in the guide way.

By adopting the technical scheme, the worm is driven to rotate, the worm wheel rotates due to the fact that the worm wheel is meshed with the worm, the worm wheel drives the threaded rod to rotate, the threaded rod rises due to the fact that the threaded rod is connected with the operating hole in a threaded mode, the fixed cover rises, otherwise, the worm rotates in the reverse direction, the threaded rod descends, and the fixed cover descends.

Optionally, one side of the worm, which is far away from the supporting plate, is connected with an operating rod, and a fixing hole for the operating rod to pass through is formed in the side wall of the fixing box.

Through adopting above-mentioned technical scheme, set up the action bars, make the staff can drive the worm and rotate outside fixed case to the fixed lid of drive rises or descends.

Optionally, an operating panel is arranged on one side of the operating rod away from the worm.

Through adopting above-mentioned technical scheme, set up the operation panel, the staff of being convenient for drives the action bars rotation to make fixed lid rise or descend.

Optionally, two operating rods are arranged on the operating rod, and the two operating rods are respectively located at two ends of the worm along the axis direction.

Through adopting above-mentioned technical scheme, set up two action bars, make the staff all can drive the worm and rotate in two directions to make fixed lid rise or descend.

Optionally, the lifting mechanisms are arranged in two, and the two lifting mechanisms are symmetrically distributed on the vertical central axis of the fixed box.

Through adopting above-mentioned technical scheme, set up two elevating system, can carry out lifting or decline with fixed lid better.

Optionally, a fixing ring is arranged below the fixing cover, and the inner wall of the fixing ring is attached to the outer wall of the fixing box.

Through adopting above-mentioned technical scheme, set up solid fixed ring, further promote the water-proof effects of circuit breaker, make the difficult intaking in the fixed incasement.

Optionally, a rain shield is disposed on a circumferential surface of the fixed cover.

Through adopting above-mentioned technical scheme, set up the weather shield and have the effect of keeping off the rain, reduce the rainwater and fall on fixed case to prevent that the rainwater from entering into fixed incasement.

Optionally, a chamfer is formed in one side, away from the fixed cover, of the rain shield, and the chamfer inclined plane is inclined towards the vertical direction.

By adopting the technical scheme, the chamfer has a flow guiding effect, and when rainwater falls on the rain baffle, the rainwater flows downwards along the inclined plane of the chamfer, so that the fixed cover is not easy to accumulate water.

Optionally, a bracket is arranged below the fixed box.

By adopting the technical scheme, the bracket is arranged for lifting the fixed box, so that the fixed box is not contacted with the ground,

in summary, the present application includes at least one of the following beneficial technical effects:

1. the driving piece drives the threaded rod to rotate, the threaded rod rotates and rises, and the threaded rod drives the fixing cover to rise, so that the high-voltage porcelain bushing installed on the fixing cover rises; on the contrary, the reverse driving piece drives the threaded rod to rotate reversely, so that the fixing cover descends, and the high-voltage porcelain bushing arranged on the fixing cover descends, thereby adjusting the position of the high-voltage porcelain bushing and improving the adaptability of the vacuum circuit breaker;

2. the rain shield plate and the fixing ring are arranged to have a rain shield effect, so that water is not easy to enter the shell.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view highlighting the lift mechanism;

FIG. 3 is a partial schematic view showing the driving member.

Reference numerals: 1. a housing; 2. a fixed box; 21. fixing grooves; 22. a fixing hole; 3. a fixed cover; 31. a rain shield; 311. chamfering; 32. a fixing ring; 4. a support; 5. a lifting mechanism; 51. an operation block; 511. an operation hole; 52. a threaded rod; 521. a clamping block; 522. a guide groove; 53. a drive member; 531. a worm gear; 5311. a jack; 5312. a guide block; 532. a worm; 533. a support plate; 54. an operating lever; 55. and (5) operating a panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment discloses a central outdoor vacuum circuit breaker. Referring to fig. 1, the vacuum circuit breaker includes a case 1, and the case 1 includes a fixing case 2 and a fixing cover 3. The upper end surface of the fixed box 2 is provided with a fixed groove 21, and the fixed cover 3 is arranged above the fixed box 2.

Referring to fig. 1 and 2, a rain shield 31 is fixedly coupled to a circumferential surface of the fixing cover 3. The side of the rain shield 31 away from the fixed cover 3 is provided with a chamfer 311, and the inclined surface of the chamfer 311 is inclined towards the vertical direction. The fixed ring 32 is fixedly connected to the lower part of the fixed cover 3, and the inner wall of the fixed ring 32 is attached to the outer wall of the fixed box 2.

Referring to fig. 2 and 3, the fixing box 2 is provided with two lifting mechanisms 5, and the two lifting mechanisms 5 are both disposed in the fixing groove 21 and symmetrically distributed along the vertical central axis of the fixing groove 21. The lifting mechanism 5 includes an operation block 51, a threaded rod 52, and a driving member 53.

Referring to fig. 2 and 3, the operation block 51 is fixedly connected to an end surface of the fixing groove 21 away from the opening, and an operation hole 511 is formed in an upper end surface of the operation block 51. The threaded rod 52 is screwed into the operation hole 511, and the upper end surface of the threaded rod 52 is rotatably connected to the lower end surface of the fixed cover 3. The upper end surface of the threaded rod 52 is provided with a fixture block 521 with a T-shaped section, the fixture block 521 is deformable, and the lower end surface of the fixed cover 3 is provided with a clamping groove for embedding the fixture block 521.

Referring to fig. 2 and 3, a driving member 53 is disposed above the operating block 51 for driving the threaded rod 52 to rotate. The driver 53 includes a worm wheel 531, a worm 532, and a support plate 533. The worm wheel 531 is rotatably connected with the upper end face of the operation block 51, the end face of the worm wheel 531 far away from the operation block 51 is provided with a jack 5311, and the jack 5311, the worm wheel 531 and the operation hole 511 are coaxially arranged. The inner wall of the insertion hole 5311 is fixedly connected with a guide block 5312.

Referring to fig. 2 and 3, two support plates 533 are provided, the two support plates 533 are fixedly connected to the upper end surface of the operation block 51, and the two support plates 533 are parallel to each other. The worm 532 is rotatably connected between two support plates 533. The worm 532 intermeshes with the worm gear 531.

Referring to fig. 2 and 3, one end of the worm 532 along the axial direction is fixedly connected with an operating rod 54, a fixing hole 22 is formed in the side wall of the fixing box 2, and the axial line of the fixing hole 22 is the same as that of the operating hole 511. The operation lever 54 protrudes to the outside of the fixed box 2 through the operation hole 511. An operating plate 55 is fixedly connected to the end face of the operating lever 54 remote from the worm 532.

Referring to fig. 1, a bracket 4 is fixedly connected to a lower end surface of a housing 1, so that the housing 1 is lifted, and the height of the housing 1 is increased.

The implementation principle of the central outdoor vacuum circuit breaker of the embodiment of the application is as follows: when the height of the fixed cover 3 needs to be adjusted, the operation panel 55 is driven to rotate, the operation panel 55 drives the operation rod 54 and the rod together, and the fixed cover 3 is lifted because the worm wheel 531 and the worm 532 are meshed with each other, the threaded rod 52 is in threaded connection with the operation hole 511, the threaded rod 52 is in rotational connection with the fixed cover 3, and the guide block 5312 is positioned in the guide groove 522; on the contrary, the operation panel 55 is driven to rotate reversely to lower the fixing cover 3

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A mid-set outdoor vacuum circuit breaker, comprising a housing (1), said housing (1) comprising a fixed box (2) and a fixed cover (3), characterized in that: be provided with elevating system (5) that the drive dead lever goes up and down on fixed case (2), fixed slot (21) have been seted up to the up end of fixed case (2), elevating system (5) are including setting up in operation piece (51) of fixed slot (21) bottom, operation hole (511) are seted up to the up end of operation piece (51), operation hole (511) female connection has threaded rod (52), the up end of threaded rod (52) is rotated with the lower terminal surface of fixed lid (3) and is connected, be provided with drive threaded rod (52) pivoted driving piece (53) on operation piece (51).

2. The mid-mount outdoor vacuum interrupter of claim 1, wherein: the driving piece (53) is including setting up two backup pads (533) on operation piece (51) and rotating the worm wheel (531) of connecting on operation piece (51), two rotate between backup pad (533) and be connected with worm (532), worm wheel (531) and worm (532) intermeshing, jack (5311) that supply threaded rod (52) to pass are seted up to the up end of worm wheel (531), the inner wall of jack (5311) is provided with guide block (5312), guide way (522) have been seted up to the periphery of threaded rod (52), threaded rod (52) are run through to guide way (522) along the axis direction of threaded rod (52), guide block (5312) slide and set up in guide way (522).

3. The mid-mount outdoor vacuum interrupter of claim 2, wherein: one side of the worm (532) far away from the support plate (533) is connected with an operating rod (54), and a fixing hole (22) for the operating rod (54) to pass through is formed in the side wall of the fixing box (2).

4. A mid-mounted outdoor vacuum interrupter as defined in claim 3, wherein: an operating plate (55) is arranged on one side of the operating rod (54) far away from the worm (532).

5. A mid-mounted outdoor vacuum interrupter as defined in claim 3, wherein: two operating rods (54) are arranged on the operating rod (54), and the two operating rods (54) are respectively positioned at two ends of the worm (532) along the axial direction.

6. The mid-mount outdoor vacuum interrupter of claim 1, wherein: the two lifting mechanisms (5) are symmetrically distributed on the vertical central axis of the fixed box (2).

7. The mid-mount outdoor vacuum interrupter of claim 1, wherein: the lower part of the fixed cover (3) is provided with a fixed ring (32), and the inner wall of the fixed ring (32) is attached to the outer wall of the fixed box (2).

8. The mid-mount outdoor vacuum interrupter of claim 7, wherein: the circumferential surface of the fixed cover (3) is provided with a rain baffle (31).

9. The mid-mount outdoor vacuum interrupter of claim 8, wherein: a chamfer (311) is formed in one side, away from the fixed cover (3), of the rain baffle (31), and the inclined surface of the chamfer (311) is inclined towards the vertical direction.

10. The mid-mount outdoor vacuum interrupter of claim 1, wherein: a support (4) is arranged below the fixed box (2).