CN217740422U

CN217740422U - Protection device of vacuum circuit breaker on post

Info

Publication number: CN217740422U
Application number: CN202221328052.8U
Authority: CN
Inventors: 李侠磊; 高跃博
Original assignee: Guoxin Henan Energy Technology Co ltd
Current assignee: Guoxin Henan Energy Technology Co ltd
Priority date: 2022-05-28
Filing date: 2022-05-28
Publication date: 2022-11-04
Anticipated expiration: 2032-05-28

Abstract

The utility model discloses a vacuum circuit breaker's protection device on post relates to vacuum circuit breaker technical field on the post, including stand and circuit breaker outer container, the fan is installed to the interior roof of circuit breaker outer container, vacuum circuit breaker is installed to the interior diapire of circuit breaker outer container, the both sides fixedly connected with fixed plate of circuit breaker outer container, the surperficial threaded connection of fixed plate has the lead screw, the one end fixedly connected with crank of lead screw, the other end of lead screw rotates through the bearing and is connected with the connecting plate, the left surface of fixed plate rotates through the axis of rotation and is connected with head rod and second connecting rod, the one end of third connecting rod rotates through the axis of rotation and is connected with first stationary dog, the utility model discloses a setting of timing controller and fan has reached the purpose that improves circuit breaker security performance, and through the lead screw, the head rod, the second connecting rod, the setting of third connecting rod and fourth connecting rod, has reached the purpose of the dismouting circuit breaker outer container of being convenient for.

Description

Protection device of vacuum circuit breaker on post

Technical Field

The utility model relates to a column vacuum circuit breaker technical field specifically is a column vacuum circuit breaker's protection device.

Background

The circuit breaker refers to a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range of the circuit breakers, the high-voltage and low-voltage boundary line is divided more fuzzinly, and the circuit breakers above 3kV are generally called high-voltage electrical appliances; the breaker can be used for distributing electric energy, starting asynchronous motor infrequently, protecting power supply circuit and motor, etc., and automatically cutting off circuit when they have serious overload or short circuit and undervoltage faults, etc., and its function is equivalent to the combination of fuse switch and over-and-under-heat breaker, etc.

At present, current pole vacuum circuit breaker, install in places such as open air and building site for the most, and then can lead to vacuum circuit breaker surface ash falling, because long-term deposition, not only can influence the sensitivity of circuit breaker, can cause the short circuit when serious moreover, phenomenon such as open circuit, and current circuit breaker is comparatively inconvenient when installation or dismantlement, and then has increased staff's intensity of labour, so current pole vacuum circuit breaker has the shortcoming that the security performance is relatively poor and be not convenient for the dismouting.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a vacuum circuit breaker's protection device on post has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a vacuum circuit breaker's protection device on post, includes stand and circuit breaker outer container, the fan is installed to the interior roof of circuit breaker outer container, vacuum circuit breaker is installed to the interior diapire of circuit breaker outer container, the both sides fixedly connected with fixed plate of circuit breaker outer container, the surperficial threaded connection of fixed plate has the lead screw, the one end fixedly connected with crank of lead screw, the other end of lead screw rotates through the bearing and is connected with the connecting plate, the left surface of fixed plate rotates through the axis of rotation and is connected with head rod and second connecting rod, the one end of head rod rotates through the axis of rotation and is connected with the third connecting rod, the one end of second connecting rod rotates through the axis of rotation and is connected with the fourth connecting rod, the one end of third connecting rod rotates through the axis of rotation and is connected with first stationary dog, the one end of fourth connecting rod rotates through the axis of rotation and is connected with the second stationary dog.

Optionally, the surface of the circuit breaker outer box is hinged with a closing door, the surface of the closing door is fixedly connected with a handle, a timing controller is installed on the inner side wall of the circuit breaker outer box, and the timing controller is electrically connected with the fan.

Optionally, a through groove is formed in the surface of the middle of the third connecting rod, a groove is formed in the surface of the middle of the fourth connecting rod, the through groove and the groove are matched in size, and the third connecting rod and the fourth connecting rod are rotatably connected through a rotating shaft.

Optionally, the arc-shaped surfaces of the first fixing claw and the second fixing claw are provided with metal anti-slip strips, the arc-shaped surfaces of the first fixing claw and the second fixing claw are consistent with the radian of the surface of the stand column, and the fixed arc-shaped surfaces of the first fixing claw and the second fixing claw are tightly attached to the stand column.

Optionally, the inner side surface of the third connecting rod is fixedly connected with a connecting plate, the upper surface of the connecting plate is fixedly connected with a lead screw, and a threaded hole matched with the lead screw is formed in the surface of the fixing plate.

Optionally, the number of the first connecting rods, the second connecting rods, the third connecting rods and the fourth connecting rods is four, and the number of the screw rods is two.

(III) advantageous effects

The utility model provides a vacuum circuit breaker's protection device on post possesses following beneficial effect:

1. this vacuum circuit breaker on post, through the setting of timing controller and fan, make this vacuum circuit breaker on post possess the effect of regularly clearing up vacuum circuit breaker surface dust, in the use, the staff sets for the time with timing controller, played the effect of regularly sending the signal of telecommunication to the fan, the signal is received to the fan, automatic start, and then blow off the dust on vacuum circuit breaker surface, played the effect that prevents vacuum circuit breaker surface deposition, reached the purpose that improves circuit breaker security performance.

2. This column vacuum circuit breaker, through the lead screw, the head rod, the second connecting rod, the setting of third connecting rod and fourth connecting rod, make this column vacuum circuit breaker possess the effect with circuit breaker outer container quick fixation to the stand, during the use, through waveing the crank, drive the lead screw, and then make the connecting plate drive third connecting rod and fourth connecting rod, and then make first stationary dog and second stationary dog inwards or outwards remove, only need during the dismouting wave the crank can, the purpose of the dismouting circuit breaker outer container of being convenient for has been reached.

Drawings

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

FIG. 2 is a three-dimensional structure diagram of the fixing claw of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 according to the present invention;

fig. 4 is the utility model discloses the structure schematic diagram of circuit breaker outer container side section.

In the figure: 1. a column; 2. a breaker outer case; 3. closing the door; 4. a handle; 5. a fixing plate; 6. a lead screw; 7. a crank; 8. a connecting plate; 9. a first connecting rod; 10. a second connecting rod; 11. a third connecting rod; 12. a fourth connecting rod; 13. a through groove; 14. a groove; 15. a first fixed jaw; 16. a second stationary jaw; 17. a timing controller; 18. a fan; 19. a vacuum interrupter; 20. metal anti-slip strips.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a protection device of a vacuum circuit breaker on a column comprises a column 1 and a circuit breaker outer box 2, wherein the surface of the circuit breaker outer box 2 is hinged with a closing door 3, the surface of the closing door 3 is fixedly connected with a handle 4, the inner side wall of the circuit breaker outer box 2 is provided with a timing controller 17, the timing controller 17 is electrically connected with a fan 18, the inner top wall of the circuit breaker outer box 2 is provided with the fan 18, the inner bottom wall of the circuit breaker outer box 2 is provided with a vacuum circuit breaker 19, two sides of the circuit breaker outer box 2 are fixedly connected with fixing plates 5, the surface of the fixing plates 5 is in threaded connection with a lead screw 6, the inner side surface of a third connecting rod 11 is fixedly connected with a connecting plate 8, the upper surface of the connecting plate 8 is fixedly connected with a lead screw 6, the surface of the fixing plate 5 is provided with a threaded hole matched with the lead screw 6, one end of the lead screw 6 is fixedly connected with a crank 7, the other end of the lead screw 6 is rotatably connected with the connecting plate 8 through a bearing, the left side surface of the fixing plate 5 is rotationally connected with a first connecting rod 9 and a second connecting rod 10 through a rotating shaft, one end of the first connecting rod 9 is rotationally connected with a third connecting rod 11 through the rotating shaft, the surface of the middle part of the third connecting rod 11 is provided with a through groove 13, the surface of the middle part of a fourth connecting rod 12 is provided with a groove 14, the through groove 13 is matched with the groove 14 in size, the third connecting rod 11 is rotationally connected with the fourth connecting rod 12 through the rotating shaft, one end of the second connecting rod 10 is rotationally connected with the fourth connecting rod 12 through the rotating shaft, one end of the third connecting rod 11 is rotationally connected with a first fixing claw 15 through the rotating shaft, the arc surfaces of the first fixing claw 15 and a second fixing claw 16 are provided with metal anti-slip strips 20, the arc surfaces of the first fixing claw 15 and the second fixing claw 16 are consistent with the radian of the surface of the upright post 1, and are closely attached with the first fixing claw 15 and the second fixing claw 16 with the upright post 1 after being fixed, one end of the fourth connecting rod 12 is rotatably connected with a second fixed claw 16 through a rotating shaft, the number of the first connecting rod 9, the second connecting rod 10, the third connecting rod 11 and the fourth connecting rod 12 is four, and the number of the screw rods 6 is two.

When the device is used, a worker moves the breaker outer box 2 to a position corresponding to the surface of the upright post 1, after the breaker outer box 2 is preliminarily fixed, the worker manually swings the crank 7 rightwards, the crank 7 drives the screw 6 to perform threaded leftward movement on the surface of the fixing plate 5, and then drives the connecting plate 8 to move leftwards through the bearing, so as to drive the third connecting rod 11 and the fourth connecting rod 12 to move downwards, during movement, one end of the third connecting rod 11 and one end of the fourth connecting rod 12 follow the arc-shaped movement track of the first connecting rod 9 and the second connecting rod 10, so that the other end of the third connecting rod 11 and the other end of the fourth connecting rod 12 move inwards, so that the first fixing claw 15 and the second fixing claw 16 move inwards synchronously, and the upright post 1 is tightly embraced by the first fixing claw 15 and the second fixing claw 16, at this moment, the crank 7 is tightly shaken rightwards by a worker to fix the outer box 2 of the circuit breaker, the outer box 2 of the circuit breaker is more firmly fixed on the surface of the upright post 1 through the metal anti-slip strips 20 on the surfaces of the first fixing claw 15 and the second fixing claw 16, the crank 7 is shaken leftwards during disassembly, the first fixing claw 15 and the second fixing claw 16 are loosened, the worker sets the timing controller 17 after fixing, the timing controller 17 sends an electric signal to the fan 18 at intervals of one end time, the fan 18 automatically runs after receiving the electric signal, the fan 18 automatically stops after ten minutes, the effect of blowing off dust on the surface of the vacuum circuit breaker 19 is achieved, dust is not easily accumulated on the surface of the vacuum circuit breaker, and the purpose of improving the safety performance of the circuit breaker is achieved.

The utility model discloses a theory of operation and beneficial effect: through the setting of timing controller 17 and fan 18, make this post vacuum circuit breaker possess the effect of regularly clearing up 19 surperficial dusts of vacuum circuit breaker, in the use, the staff sets for the time with timing controller 17, the effect of regularly sending the signal of telecommunication to fan 18 has been played, fan 18 receives the signal, automatic start, and then blow off the dust on vacuum circuit breaker surface, the effect of preventing 19 surperficial deposition of vacuum circuit breaker has been played, the mesh that improves circuit breaker security performance has been reached, through lead screw 6, head rod 9, second connecting rod 10, the setting of third connecting rod 11 and fourth connecting rod 12, make this post vacuum circuit breaker possess the effect of fixing circuit breaker outer container 2 on stand 1 fast, during the use, through rocking handle 7, drive lead screw 6, and then make connecting plate 8 drive third connecting rod 11 and fourth connecting rod 12, and then make first stationary dog 15 and second stationary dog 16 inwards or outwards move, during the rocking handle 7 can, the mesh that has only need the dismouting of being convenient for circuit breaker 2.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vacuum circuit breaker's protection device on post, includes stand (1) and circuit breaker outer container (2), its characterized in that: fan (18) are installed to the interior roof of circuit breaker outer container (2), vacuum circuit breaker (19) are installed to the interior diapire of circuit breaker outer container (2), both sides fixedly connected with fixed plate (5) of circuit breaker outer container (2), the surperficial threaded connection of fixed plate (5) has lead screw (6), the one end fixedly connected with crank (7) of lead screw (6), the other end of lead screw (6) rotates through the bearing and is connected with connecting plate (8), the left surface of fixed plate (5) rotates through the axis of rotation and is connected with head rod (9) and second connecting rod (10), the one end of head rod (9) rotates through the axis of rotation and is connected with third connecting rod (11), the one end of second connecting rod (10) rotates through the axis of rotation and is connected with fourth connecting rod (12), the one end of third connecting rod (11) rotates through the axis of rotation and is connected with first stationary dog (15), the one end of fourth connecting rod (12) rotates through the axis of rotation and is connected with second stationary dog (16).

2. A protection apparatus of a vacuum circuit breaker on a column as claimed in claim 1, wherein: the surface of circuit breaker outer container (2) articulates there is closing door (3), the fixed surface of closing door (3) is connected with handle (4), timing controller (17) are installed to the inside wall of circuit breaker outer container (2), timing controller (17) and fan (18) electric connection.

3. A protection apparatus of a vacuum circuit breaker on a column as claimed in claim 1, wherein: the surface in the middle of the third connecting rod (11) is provided with a through groove (13), the surface in the middle of the fourth connecting rod (12) is provided with a groove (14), the through groove (13) is matched with the groove (14) in size, and the third connecting rod (11) is rotatably connected with the fourth connecting rod (12) through a rotating shaft.

4. A protection apparatus of a vacuum circuit breaker on a column as claimed in claim 1, wherein: the anti-skidding metal strip is arranged on the arc-shaped surfaces of the first fixing claw (15) and the second fixing claw (16), the arc-shaped surfaces of the first fixing claw (15) and the second fixing claw (16) are consistent with the radian of the surface of the upright post (1), and the fixed arc-shaped surfaces are tightly attached to the upright post (1) through the first fixing claw (15) and the second fixing claw (16).

5. A protection apparatus of a vacuum circuit breaker on a column as claimed in claim 1, wherein: the inner side face of the third connecting rod (11) is fixedly connected with a connecting plate (8), the upper surface of the connecting plate (8) is fixedly connected with a lead screw (6), and a threaded hole matched with the lead screw (6) is formed in the surface of the fixing plate (5).

6. A protection apparatus of a vacuum circuit breaker on a column as claimed in claim 1, wherein: the number of the first connecting rods (9), the second connecting rods (10), the third connecting rods (11) and the fourth connecting rods (12) is four, and the number of the screw rods (6) is two.