CN215644281U

CN215644281U - Outdoor vacuum circuit breaker

Info

Publication number: CN215644281U
Application number: CN202122211866.5U
Authority: CN
Inventors: 钱旭雷
Original assignee: Zhejiang Guoan Electric Co ltd
Current assignee: Zhejiang Guoan Electric Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-25
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an outdoor vacuum circuit breaker, which relates to the technical field of circuit breakers and comprises a mounting frame, wherein a protective shell is arranged above the mounting frame, a movable plate is arranged in the protective shell, a circuit breaker body is arranged in the middle of the top end of the movable plate, fixing strips are arranged at the front end and the rear end of the top end of the movable plate, a plurality of through holes penetrate through the top ends of the two sides of the protective shell, pulleys are arranged at the bottom ends of the inner parts of the through holes, a plurality of through hole openings are formed in the top end of the protective shell, and fixing plates are arranged at the bottom ends of the two sides of the protective shell. According to the utility model, the bolt hole is blocked by the baffle plate, so that the bolt can be positioned in a closed space, the bolt is prevented from being corroded by outdoor rainwater, the stability of the device can be effectively ensured, and the breaker body can be protected by the protective shell.

Description

Outdoor vacuum circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an outdoor vacuum circuit breaker.

Background

The circuit breaker is 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 specified time, wherein the circuit breaker in which an arc extinguishing medium and an insulating medium in a contact gap after arc extinguishing are both in a high vacuum is called a vacuum circuit breaker and is commonly used for controlling and protecting some high-voltage electrical equipment, and the circuit breaker can be further divided into an indoor circuit breaker and an outdoor circuit breaker according to different use places, and the outdoor circuit breaker is generally commonly used for protecting high-voltage wires.

In view of the above problems, intensive research is carried out to generate the present application.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a vacuum circuit breaker for outdoor use, which solves the problem of insufficient protection of the devices proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a vacuum circuit breaker for the open air comprises a mounting frame, wherein a protective shell is arranged above the mounting frame, a movable plate is arranged inside the protective shell, a circuit breaker body is arranged at the middle position of the top end of the movable plate, fixing strips are arranged at the front end and the rear end of the top end of the movable plate, a plurality of through holes are formed in the top ends of the two sides of the protective shell in a penetrating manner, pulleys are arranged at the bottom end inside the through holes, a plurality of through hole openings are formed in the top end of the protective shell, a fixed plate is arranged at the bottom end of the two sides of the protective shell in a penetrating manner, bolt holes are formed in the front end and the rear end of the top end of the fixed plate in a penetrating manner, and a protection structure is arranged inside the fixed plate;

mounting boxes are mounted at the top ends of the two sides of the protective shell, and lifting structures are arranged in the mounting boxes;

the lifting structure comprises a sliding groove, the sliding groove is formed in the top end, close to one side of the protective shell, of the mounting box, the mounting box is close to the bottom end of one side of the protective shell, the placing groove is formed in the bottom end of the mounting box, the bottom end of the inside of the placing groove is provided with the servo motor, the output end of the servo motor is provided with the rotary rod, the top end of the rotary rod is connected with the top end of the inside of the sliding groove, the outer wall of the rotary rod of the inside of the sliding groove is provided with the sliding block, the rope is arranged on one side of the top end of the sliding block, and one end of the rope penetrates through the pulley top end and is connected with one side of the top end of the movable plate.

Preferably, the connection mode between the sliding block and the sliding groove is sliding connection, and the maximum moving distance of the sliding block is smaller than the length of the sliding groove.

Preferably, the outer wall of rotary rod is provided with the external screw thread, and the inner wall of sliding block is provided with rather than assorted internal thread.

Preferably, two guide grooves are formed in the front end and the rear end inside the protective shell, the guide block is installed at one end of the fixing strip, and the fixing strip is connected with the protective shell in a sliding mode through sliding fit between the guide block and the guide grooves.

Preferably, each group of the through holes is provided with three through holes, and the through holes are axially symmetrically distributed about the vertical center line of the protective shell.

Preferably, the protection architecture includes driving lever, baffle, movable block, reset spring and shifting chute, the shifting chute is all seted up in the inside of fixed plate, and the reset spring is all installed to the one end of shifting chute inside, the movable block is all installed to reset spring's one end, and the driving lever is all installed on the top of movable block, the top of driving lever all extends to the top of fixed plate, the baffle is all installed to the one end of movable block, and the one end of baffle all extends to the inside of bolt hole.

Preferably, the width of the baffle plate is equal to the width of the bolt hole, and the length of the baffle plate is greater than the length of the bolt hole.

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

through being provided with protection architecture and elevation structure, plug up the bolt hole with the help of the baffle, can make the bolt be in the enclosure space, avoid the erosion to the bolt at outdoor rainwater, can effectively guarantee the stability of device, the protective housing can protect the circuit breaker body simultaneously, when needs overhaul the circuit breaker body, can start servo motor, it is rotatory to make it drive the rotary rod, because the sliding block is restricted by the sliding tray, consequently, the sliding block can the rebound with the rope release, the restraint of rope is no longer received to the fly leaf like this, can be because of gravity reason nature whereabouts, make the circuit breaker body follow the fly leaf and remove to the protective housing below, make things convenient for the maintainer to maintain it.

Drawings

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

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

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a protective structure; 101. a deflector rod; 102. a baffle plate; 103. a moving block; 104. a return spring; 105. a moving groove; 2. mounting a box; 3. a sliding groove; 4. a placement groove; 5. a mounting frame; 6. a fixing plate; 7. a movable plate; 8. a circuit breaker body; 9. a protective shell; 10. a servo motor; 11. a slider; 12. rotating the rod; 13. a rope; 14. a wire port; 15. a fixing strip; 16. a through hole; 17. bolt holes; 18. a pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 to 5, a vacuum circuit breaker for outdoor use includes a mounting frame 5, a protective shell 9 is disposed above the mounting frame 5, a movable plate 7 is mounted inside the protective shell 9, a circuit breaker body 8 is mounted at a middle position of a top end of the movable plate 7, fixing strips 15 are mounted at front and rear ends of a top end of the movable plate 7, a plurality of through holes 16 are formed through top ends of two sides of the protective shell 9, pulleys 18 are mounted at bottom ends inside the through holes 16, a plurality of through holes 14 are formed at the top end of the protective shell 9, fixing plates 6 are mounted at bottom ends of two sides of the protective shell 9, bolt holes 17 are formed through front and rear ends of a top end of each fixing plate 6, and a protection structure 1 is disposed inside each fixing plate 6;

the top ends of two sides of the protective shell 9 are respectively provided with a mounting box 2, and a lifting structure is arranged inside the mounting box 2;

the lifting structure comprises sliding grooves 3, the sliding grooves 3 are formed in the top ends, close to the protective shell 9, of the mounting boxes 2, placing grooves 4 are formed in the bottom ends, close to the protective shell 9, of the mounting boxes 2, servo motors 10 are installed at the bottom ends inside the placing grooves 4, rotating rods 12 are installed at the output ends of the servo motors 10, the top ends of the rotating rods 12 are connected with the top ends inside the sliding grooves 3, sliding blocks 11 are installed on the outer walls of the rotating rods 12 inside the sliding grooves 3, ropes 13 are installed on one sides of the top ends of the sliding blocks 11, and one ends of the ropes 13 penetrate through the top ends of pulleys 18 to be connected with one side of the top end of the movable plate 7;

the sliding block 11 is connected with the sliding groove 3 in a sliding manner, and the maximum moving distance of the sliding block 11 is smaller than the length of the sliding groove 3;

the outer wall of the rotating rod 12 is provided with an external thread, and the inner wall of the sliding block 11 is provided with an internal thread matched with the external thread;

two guide grooves are formed in the front end and the rear end inside the protective shell 9, guide blocks are mounted at one ends of the fixing strips 15, and the fixing strips 15 are in sliding connection with the protective shell 9 through sliding fit between the guide blocks and the guide grooves;

three through holes 16 are arranged in each group, and the through holes 16 are axially symmetrically distributed about the vertical center line of the protective shell 9;

specifically, as shown in fig. 1, 2 and 4, by starting the servo motor 10, the servo motor drives the rotating rod 12 to rotate, and since the sliding block 11 is limited by the sliding groove 3, the sliding block 11 moves upward to release the rope 13, so that the movable plate 7 is no longer limited by the rope 13 and naturally falls down due to gravity, so that the breaker body 8 moves to the lower part of the protective shell 9 along with the movable plate 7, and the maintenance is convenient for an inspector to maintain the breaker body;

the protection structure 1 comprises a shifting rod 101, a baffle plate 102, a moving block 103, a return spring 104 and a moving groove 105, wherein the moving groove 105 is formed in the fixed plate 6, the return spring 104 is arranged at one end in the moving groove 105, the moving block 103 is arranged at one end of the return spring 104, the shifting rod 101 is arranged at the top end of the moving block 103, the top end of the shifting rod 101 extends to the upper side of the fixed plate 6, the baffle plate 102 is arranged at one end of the moving block 103, and one end of the baffle plate 102 extends to the inside of a bolt hole 17;

the width of the baffle plate 102 is equal to that of the bolt hole 17, and the length of the baffle plate 102 is greater than that of the bolt hole 17;

specifically, as shown in fig. 1, fig. 3 and fig. 5, by pulling the shifting lever 101, the moving block 103 overcomes the directional movement of the reset spring 104 inside the moving groove 105, so that the baffle plate 102 leaves the bolt hole 17, at the moment, the bolt can be inserted into the bolt hole 17 and connected with the mounting frame 5, so that the protection shell 9 is fixed, after the bolt is installed, the shifting lever 101 is loosened, the reset spring 104 pushes the moving block 103 back, the baffle plate 102 blocks the bolt hole 17, so that the bolt is located in a closed space, the corrosion of outdoor rainwater to the bolt is avoided, and the stability of the device can be effectively ensured.

The working principle is as follows: when the device is used, firstly, the fixing plate 6 of the device is placed above the mounting frame 5, the shifting rod 101 is shifted, the moving block 103 overcomes the reset spring 104 and directionally moves in the moving groove 105, so that the baffle plate 102 leaves the bolt hole 17, at the moment, a bolt can be inserted into the bolt hole 17 to be connected with the mounting frame 5, and the protective shell 9 is fixed;

meanwhile, the protection shell 9 can protect the breaker body 8, when the breaker body 8 needs to be overhauled, the servo motor 10 can be started, the servo motor is enabled to drive the rotary rod 12 to rotate, the sliding block 11 is limited by the sliding groove 3, therefore, the sliding block 11 can move upwards to release the rope 13, the movable plate 7 does not receive the restraint of the rope 13, the rope can naturally fall down due to gravity, the breaker body 8 can move to the lower portion of the protection shell 9 along with the movable plate 7, and the maintenance of the breaker body is facilitated for an overhaul worker.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Vacuum circuit breaker for outdoor use, comprising a mounting frame (5), characterized in that: a protective shell (9) is arranged above the mounting frame (5), a movable plate (7) is arranged inside the protective shell (9), a breaker body (8) is arranged at the middle position of the top end of the movable plate (7), fixing strips (15) are arranged at the front end and the rear end of the top end of the movable plate (7), a plurality of through holes (16) penetrate through the top ends of the two sides of the protective shell (9), pulleys (18) are arranged at the bottom ends of the inner parts of the through holes (16), a plurality of through holes (14) are formed in the top end of the protective shell (9), fixing plates (6) are arranged at the bottom ends of the two sides of the protective shell (9), bolt holes (17) penetrate through the front end and the rear end of the top end of each fixing plate (6), and a protection structure (1) is arranged inside each fixing plate (6);

the top ends of two sides of the protective shell (9) are respectively provided with a mounting box (2), and a lifting structure is arranged in each mounting box (2);

elevation structure includes sliding tray (3), sliding tray (3) are all seted up in mounting box (2) and are close to the top on protective housing (9) one side, mounting box (2) are close to the bottom on protective housing (9) one side and have all seted up standing groove (4), and standing groove (4) inside bottom all installs servo motor (10), rotary rod (12) are all installed to servo motor's (10) output, and the top of rotary rod (12) all is connected with the inside top of sliding tray (3), sliding block (11) are all installed to inside rotary rod (12) outer wall of sliding tray (3), and all install rope (13) on one side on sliding block (11) top, the one end of rope (13) all passes pulley (18) top and is connected with one side on fly leaf (7) top.

2. Vacuum interrupter according to claim 1, characterized in that: the connection mode between sliding block (11) and sliding tray (3) is sliding connection, and the maximum moving distance of sliding block (11) is less than the length of sliding tray (3).

3. Vacuum interrupter according to claim 1, characterized in that: the outer wall of rotary rod (12) is provided with the external screw thread, and the inner wall of sliding block (11) is provided with rather than assorted internal thread.

4. Vacuum interrupter according to claim 1, characterized in that: two guide slots are respectively formed in the front end and the rear end of the interior of the protective shell (9), the guide block is installed at one end of the fixing strip (15), and the fixing strip (15) is connected with the protective shell (9) in a sliding mode through sliding fit between the guide block and the guide slots.

5. Vacuum interrupter according to claim 1, characterized in that: each group of the through holes (16) is provided with three through holes, and the through holes (16) are distributed in an axisymmetric mode relative to the vertical center line of the protective shell (9).

6. Vacuum interrupter according to claim 1, characterized in that: protection architecture (1) includes driving lever (101), baffle (102), movable block (103), reset spring (104) and shifting chute (105), shifting chute (105) are all seted up in the inside of fixed plate (6), and reset spring (104) are all installed to the inside one end of shifting chute (105), movable block (103) are all installed to the one end of reset spring (104), and driving lever (101) are all installed on the top of movable block (103), the top of driving lever (101) all extends to the top of fixed plate (6), baffle (102) are all installed to the one end of movable block (103), and the one end of baffle (102) all extends to the inside of bolt hole (17).

7. Vacuum interrupter for outdoor use according to claim 6, characterized in that: the width of the baffle plate (102) is equal to the width of the bolt hole (17), and the length of the baffle plate (102) is larger than that of the bolt hole (17).