CN212062283U

CN212062283U - High-voltage vacuum circuit breaker

Info

Publication number: CN212062283U
Application number: CN202020710319.4U
Authority: CN
Inventors: 李萌萌; 薛会营; 王炳河
Original assignee: Qingdao Shengtaida Power Equipment Co ltd
Current assignee: Qingdao Shengtaida Power Equipment Co ltd
Priority date: 2020-05-03
Filing date: 2020-05-03
Publication date: 2020-12-01
Anticipated expiration: 2030-05-03

Abstract

The utility model discloses a high-pressure vacuum circuit breaker, including the circuit breaker body, the below of circuit breaker body is equipped with the backup pad, be equipped with damper between the bottom of backup pad and circuit breaker body, the bottom fixedly connected with threaded rod of backup pad, four the equal fixedly connected with walking wheel in bottom of threaded rod, four the outside of threaded rod all is equipped with the screw thread section of thick bamboo rather than threaded connection, two fixed plates of fixedly connected with in the backup pad, two all be equipped with stop gear, wherein two between the outer wall of fixed plate and circuit breaker body the outer wall cover of screw thread section of thick bamboo is equipped with rather than the connecting plate of rotating the connection, two the connecting plate is connected with the stop gear of homonymy through. The utility model discloses it is rational in infrastructure, not only can remove the circuit breaker body, also can carry out shock attenuation protection to the circuit breaker body in the removal.

Description

High-voltage vacuum circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to high-pressure vacuum circuit breaker.

Background

The indoor high-voltage vacuum circuit breaker is used as a protection and control unit of power grid equipment and power equipment of industrial and mining enterprises, is suitable for frequent operation under rated working current or places where short-circuit current is cut off for many times, adopts an integrated design of an operating mechanism and a circuit breaker body, can be used as a fixed mounting unit, and can also be provided with a special propulsion mechanism to form the function of a handcart unit.

Indoor high-voltage vacuum circuit breaker belongs to one kind of circuit breaker, however traditional indoor high-voltage vacuum circuit breaker wastes time and energy when removing, and inconvenient use has reduced indoor high-voltage vacuum circuit breaker's flexibility, therefore we have designed high-voltage vacuum circuit breaker and have solved above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the high-pressure vacuum circuit breaker who provides, it not only can remove the circuit breaker body, also can carry out shock attenuation protection to the circuit breaker body in the removal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high-pressure vacuum circuit breaker, including the circuit breaker body, the below of circuit breaker body is equipped with the backup pad, be equipped with damper between the bottom of backup pad and circuit breaker body, the bottom fixedly connected with threaded rod of backup pad, four the equal fixedly connected with walking wheel in bottom of threaded rod, four the outside of threaded rod all is equipped with the screw thread section of thick bamboo rather than threaded connection, two fixed plates of fixedly connected with in the backup pad, two all be equipped with stop gear, two wherein between the outer wall of fixed plate and circuit breaker body the outer wall cover of screw thread section of thick bamboo is equipped with rather than the connecting plate of being connected of rotating, two the connecting plate is connected with the stop gear of homonymy.

Preferably, the bottom of the outer wall of the threaded cylinder is fixedly connected with a supporting plate integrally formed with the threaded cylinder.

Preferably, damper is including fixing a plurality of telescopic links between backup pad and circuit breaker body, and is a plurality of the outside of telescopic link is all overlapped and is equipped with damping spring, damping spring's both ends respectively with backup pad and circuit breaker body fixed connection.

Preferably, stop gear is including running through the fixed plate and rather than sliding connection's inserted bar, the outer wall of circuit breaker body is equipped with the slot, the inserted bar inserts in the slot, the first wedge of one end fixedly connected with that the inserted bar carried on the back with the circuit breaker body mutually, fixedly connected with cover is equipped with the elasticity spring on the inserted bar between first wedge and the fixed plate.

Preferably, the outer wall of the threaded cylinder is in interference fit with a bearing, and the bearing penetrates through the outer wall of the connecting plate and is fixedly connected with the outer wall of the connecting plate.

Preferably, the connecting piece is including fixing the connecting rod in the connecting plate upper end, run through in the backup pad and be equipped with the sliding tray, the connecting rod runs through the sliding tray and rather than sliding connection, the upper end fixedly connected with of connecting rod and first wedge assorted second wedge, the second wedge offsets with first wedge.

Compared with the prior art, the utility model, its beneficial effect does:

1. under the action of the travelling wheels, the supporting plate and the breaker body can be conveniently moved, so that the breaker body can be conveniently moved and installed; can carry out the shock attenuation to the circuit breaker body through damping spring, and then realize making the circuit breaker body can not take place the skew under the spacing of telescopic link to the protection of circuit breaker body.

2. The supporting disk is rotated to rotate the threaded cylinder, so that the supporting disk is abutted to the ground, the walking wheel can be limited through the supporting disk and the threaded cylinder, the walking wheel is not easy to rotate, the supporting disk and the breaker body can be stably supported, the inserted rod is inserted into the slot, the breaker body is limited, and the stability of the breaker body is guaranteed.

To sum up, the utility model discloses rational in infrastructure not only can remove the circuit breaker body, also can carry out shock attenuation protection to the circuit breaker body in the removal.

Drawings

Fig. 1 is a schematic structural diagram of a high-voltage vacuum circuit breaker according to the present invention;

fig. 2 is an enlarged view of a structure a in fig. 1.

In the figure: 1 circuit breaker body, 2 backup pads, 3 telescopic links, 4 bearings, 5 damping spring, 6 fixed plates, 7 slots, 8 first wedge blocks, 9 inserted bars, 10 elasticity springs, 11 second wedge blocks, 12 sliding chutes, 13 connecting rods, 14 connecting plates, 15 threaded rods, 16 supporting disks, 17 walking wheels, 18 threaded cylinders.

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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-2, the high-voltage vacuum circuit breaker comprises a circuit breaker body 1, wherein a supporting plate 2 is arranged below the circuit breaker body 1, a damping mechanism is arranged between the supporting plate 2 and the bottom of the circuit breaker body 1, the damping mechanism comprises a plurality of telescopic rods 3 fixed between the supporting plate 2 and the circuit breaker body 1, damping springs 5 are sleeved outside the telescopic rods 3, and two ends of each damping spring 5 are fixedly connected with the supporting plate 2 and the circuit breaker body 1 respectively; at the in-process that removes, can carry out the shock attenuation to circuit breaker body 1 through damping spring 5, and then realize making circuit breaker body 1 can not take place the skew under the spacing of telescopic link 3 to circuit breaker body 1's protection.

Threaded rods 15 are fixedly connected to the bottoms of the supporting plates 2, walking wheels 17 are fixedly connected to the bottoms of the four threaded rods 15, and the circuit breaker body 1 can be conveniently moved through the walking wheels 17; the outside of four threaded rods 15 all is equipped with rather than threaded connection's a screw thread section of thick bamboo 18, and the outer wall bottom fixedly connected with of a screw thread section of thick bamboo 18 and its integrated into one piece's supporting disk 16 rotate a screw thread section of thick bamboo 18 and move down and make supporting disk 16 offset with ground to can be spacing to walking wheel 17, realize the support and the stable support to backup pad 2 and circuit breaker body 1.

Two fixed plates 6 of fixedly connected with on the backup pad 2, all be equipped with stop gear between two fixed plates 6 and the outer wall of circuit breaker body 1, stop gear is including running through fixed plate 6 and rather than sliding connection's inserted bar 9, circuit breaker body 1's outer wall is equipped with slot 7, inserted bar 9 inserts in slot 7, the first wedge of one end fixedly connected with 8 that inserted bar 9 and circuit breaker body 1 carried on the back mutually, fixedly connected with cover is equipped with the elasticity spring 10 on inserted bar 9 between first wedge 8 and fixed plate 6.

Wherein the outer wall cover of two screw thread section of thick bamboo 18 is equipped with rather than the connecting plate 14 of rotating the connection, and the outer wall interference fit of screw thread section of thick bamboo 18 has bearing 4, and bearing 4 runs through the outer wall of connecting plate 14 and rather than fixed connection, so can guarantee that screw thread section of thick bamboo 18 can rotate.

Two connecting plates 14 are connected with the stop gear of homonymy through the driving medium, and the connecting piece runs through being equipped with sliding tray 12 including fixing connecting rod 13 in connecting plate 14 upper end in backup pad 2, and connecting rod 13 runs through sliding tray 12 and rather than sliding connection, and connecting rod 13's upper end fixedly connected with and first wedge 8 assorted second wedge 11, second wedge 11 offsets with first wedge 8.

When the utility model is used, the worker can push the breaker body 1, under the action of the travelling wheel 17, the supporting plate 2 and the breaker body 1 can be conveniently moved, and then the breaker body 1 can be conveniently moved and can be conveniently installed; can carry out the shock attenuation to circuit breaker body 1 through damping spring 5, and then realize making circuit breaker body 1 can not take place the skew under the spacing of telescopic link 3 to circuit breaker body 1's protection.

After the movement is finished, an operator can manually rotate the threaded cylinder 18 to enable the supporting plate 16 to be abutted against the ground, and the traveling wheel 17 can be limited through the supporting plate 16 and the threaded cylinder 18 so as to be not easy to rotate, so that the supporting plate 2 and the circuit breaker body 1 can be stably supported; the in-process that screw thread section of thick bamboo 18 moved down drives connecting plate 14 and moves down, and then drives connecting rod 13 and second wedge 11 and move down, and second wedge 11 is spacing to first wedge 8, makes first wedge 8 extrude and remove to circuit breaker body 1 direction, and first wedge 8 drives inserted bar 9 and removes and insert in slot 7 to it is spacing to circuit breaker body 1, guarantees circuit breaker body 1's stability.

When the breaker body 1 is moved again, the threaded cylinder 18 is rotated to move upwards, the travelling wheels 17 are exposed, the second wedge block 11 moves upwards, the first wedge block 8 resets under the action of the elastic spring 10, the inserting rod 9 is separated from the inserting groove 7, and the damping spring 5 performs damping protection on the breaker body 1 during movement.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-voltage vacuum circuit breaker comprises a circuit breaker body (1) and is characterized in that a supporting plate (2) is arranged below the circuit breaker body (1), a damping mechanism is arranged between the supporting plate (2) and the bottom of the breaker body (1), threaded rods (15) are fixedly connected to the bottoms of the supporting plates (2), walking wheels (17) are fixedly connected to the bottoms of the four threaded rods (15), threaded cylinders (18) in threaded connection with the threaded rods are arranged outside the four threaded rods (15), two fixing plates (6) are fixedly connected on the supporting plate (2), a limiting mechanism is arranged between the two fixing plates (6) and the outer wall of the circuit breaker body (1), the outer wall sleeves of the two threaded cylinders (18) are provided with connecting plates (14) which are rotatably connected with the threaded cylinders, and the two connecting plates (14) are connected with limiting mechanisms on the same side through transmission parts.

2. The high-voltage vacuum circuit breaker according to claim 1, characterized in that the bottom of the outer wall of the threaded cylinder (18) is fixedly connected with a support plate (16) integrally formed therewith.

3. The high-voltage vacuum circuit breaker according to claim 1, wherein the damping mechanism comprises a plurality of telescopic rods (3) fixed between the supporting plate (2) and the circuit breaker body (1), a damping spring (5) is sleeved outside each of the plurality of telescopic rods (3), and two ends of the damping spring (5) are respectively fixedly connected with the supporting plate (2) and the circuit breaker body (1).

4. The high-voltage vacuum circuit breaker according to claim 1, wherein the limiting mechanism comprises an inserting rod (9) penetrating through the fixing plate (6) and slidably connected with the fixing plate, the outer wall of the circuit breaker body (1) is provided with a slot (7), the inserting rod (9) is inserted into the slot (7), a first wedge block (8) is fixedly connected to one end of the inserting rod (9) opposite to the circuit breaker body (1), and an elastic spring (10) sleeved on the inserting rod (9) is fixedly connected between the first wedge block (8) and the fixing plate (6).

5. The high-voltage vacuum circuit breaker according to claim 1, characterized in that the outer wall of the threaded cylinder (18) is interference fitted with a bearing (4), the bearing (4) penetrating the outer wall of the connection plate (14) and being fixedly connected therewith.

6. The high-voltage vacuum circuit breaker according to claim 4, characterized in that the transmission member comprises a connecting rod (13) fixed on the upper end of a connecting plate (14), a sliding groove (12) is arranged on the supporting plate (2) in a penetrating manner, the connecting rod (13) penetrates through the sliding groove (12) and is connected with the sliding groove in a sliding manner, a second wedge block (11) matched with the first wedge block (8) is fixedly connected on the upper end of the connecting rod (13), and the second wedge block (11) is abutted against the first wedge block (8).