CN218769255U

CN218769255U - Novel vacuum circuit breaker interlocking protection device

Info

Publication number: CN218769255U
Application number: CN202223304330.9U
Authority: CN
Inventors: 吴红丽; 龚章平; 吴浩; 吴建
Original assignee: Zhejiang Maiyu Electric Co ltd
Current assignee: Zhejiang Maiyu Electric Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-28
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a novel chain protection of vacuum circuit breaker belongs to circuit breaker technical field device, the on-line screen storage device comprises a base, be equipped with two vacuum circuit breakers on the base, inside combined floodgate mechanism and the combined floodgate subassembly of being equipped with of vacuum circuit breaker, through the through-hole intercommunication between two vacuum circuit breakers, the through-hole internal stability has set firmly the motor, motor output shaft end has cup jointed the gear, gear outside parallel is equipped with two racks, the rack both ends are symmetrical structure and have set firmly two wedges, lie in two wedge inclined planes acute angle structural arrangement with one side, combined floodgate subassembly passes through telescopic machanism and combined floodgate mechanism and connects the electric cooperation, wedge and telescopic machanism extrusion contact. The utility model discloses an improvement to prior art, utilize two wedge extrusion telescopic machanisms in turn of motor positive and negative rotation drive one side symmetry for two telescopic machanisms lift in turn, one side telescopic machanism is extruded and is raised promptly, and opposite side telescopic machanism is extruded and descends, and then realizes two vacuum circuit breaker chain protection forms of connecting in turn.

Description

Novel vacuum circuit breaker interlocking protection device

Technical Field

The utility model relates to a circuit breaker technical field, more specifically say, relate to a novel chain protection of vacuum circuit breaker device.

Background

Under the general condition, a dual-power high-voltage user respectively has a high-voltage vacuum circuit breaker to control a power supply to enter a home from an outdoor dual-power supply, and when the power supply A is used, the vacuum circuit breaker of the power supply B must be disconnected firstly, and then the vacuum circuit breaker of the power supply A is connected, but the existing high-voltage interlocking vacuum circuit breaker cannot ensure that when one circuit breaker works, the other circuit breaker automatically keeps the disconnected state, and certain potential safety hazards exist.

Chinese utility model patent with publication number CN213815960U in the prior art provides an outdoor high-voltage vacuum circuit breaker chain protection device, the device adopts a structure through electromagnetic force complex elastic wane to realize one side work, the protection mode of opposite side disconnection, but can realize that the influence factor of this chain protection mode is too much, for example, electromagnetic force size, elasticity size etc., although electromagnetic control corresponding efficiency is high, but electromagnetic control mode ageing speed is fast, and overhaul and debug are loaded down with trivial details, therefore how to provide a durable and easy to overhaul vacuum circuit breaker chain protection device of structure and seem to be especially important, in view of this, we propose a novel vacuum circuit breaker chain protection device.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a novel chain protection of vacuum circuit breaker device to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a novel vacuum circuit breaker chain protection device, includes the base, be equipped with two vacuum circuit breakers on the base side by side, inside being equipped with of vacuum circuit breaker connects electric complex combined floodgate mechanism and combined floodgate subassembly, two through-hole intercommunication between the vacuum circuit breaker, the motor has set firmly in the through-hole, motor output shaft end has cup jointed the gear, the gear outside is the horizontal structure parallel and is equipped with two racks rather than the meshing, the rack both ends are symmetrical structure and have set firmly two wedges, are located two with one side wedge inclined plane acute angle structure is arranged, the combined floodgate subassembly passes through telescopic machanism and connects the electric cooperation with combined floodgate mechanism, wedge and telescopic machanism extrusion contact.

Preferably, the motor is controlled by an external control mechanism through a forward and reverse rotation control loop.

Preferably, the rack slides linearly with the through hole through a guide rail.

Preferably, telescopic machanism is including setting firmly the inside sleeve in vacuum circuit breaker, it is equipped with the loop bar to slide in the sleeve, the support plate has set firmly on the loop bar, closing components locates on the support plate, the support plate is close to wedge one side and is equipped with the clamp plate, clamp plate and wedge extrusion fit.

Preferably, the carrier plate is connected with the loop bar through a corner support.

Preferably, the surface of the pressure plate consists of a lower pressing inclined surface positioned on the upper side and an upper top inclined surface positioned on the lower side, and the lower pressing inclined surface and the upper top inclined surface are in pressing contact with the corresponding wedge-shaped blocks.

Preferably, the length of the inclined plane of the wedge-shaped block extrusion pressing plate is matched with the closing distance of the closing mechanism and the closing assembly.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an improvement to prior art, utilize two wedge extrusion telescopic machanisms in turn of motor positive and negative rotation drive one side symmetry for two telescopic machanisms lift in turn, one side telescopic machanism is extruded and is raised promptly, and opposite side telescopic machanism is extruded and descends, and then realizes two vacuum circuit breaker chain protection forms of connecting in turn. Compared with the prior art, the utility model adopts the electromagnetic control chain form, the structure is compact and durable, the structure reaction is rapid and stable, and the maintenance cost is low.

Drawings

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

FIG. 2 is an enlarged view of the detailed structure of the present invention;

the numbering in the figures illustrates: 1. a base; 2. a vacuum circuit breaker; 3. a closing mechanism; 4. a closing assembly; 5. a through hole; 6. a motor; 7. a gear; 8. a rack; 9. a wedge block; 10. a telescoping mechanism; 11. a sleeve; 12. a loop bar; 13. a carrier plate; 14. pressing a plate; 15. pressing the inclined plane downwards; 16. and (4) upward jacking inclined planes.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a novel chain protection of vacuum circuit breaker device, the on-line screen storage device comprises a base 1, be equipped with two vacuum circuit breaker 2 on the base 1 side by side, vacuum circuit breaker 2 is inside to be equipped with connects electric complex combined floodgate mechanism 3 and combined floodgate subassembly 4, through-hole 5 intercommunication between two vacuum circuit breaker 2, motor 6 has set firmly in the through-hole 5, gear 7 has been cup jointed to motor 6 output shaft tip, the gear 7 outside is horizontal structure parallel and is equipped with two rather than the rack 8 of meshing, 8 both ends of rack are symmetrical structure and have set firmly two wedges 9, lie in two wedges 9 inclined planes acute angle structure arrangements with one side, combined floodgate subassembly 4 connects the electric cooperation through telescopic machanism 10 and combined floodgate mechanism 3, wedge 9 and telescopic machanism 10 extrusion contact. The utility model discloses an improvement to prior art, utilize two wedge 9 extrusion telescopic machanism 10 in turn of motor 6 positive and negative rotation drive one side symmetry for two telescopic machanism 10 lift in turn, one side telescopic machanism 10 is extruded and is raised promptly, and opposite side telescopic machanism 10 is extruded and descends, and then realizes the chain protection form that two vacuum circuit breaker 2 connect the electricity in turn. Compared with the prior art, the utility model adopts the electromagnetic control chain form, the structure is compact and durable, the structure reaction is rapid and stable, and the maintenance cost is low.

Specifically, the motor 6 is controlled by an external control mechanism through a forward and reverse rotation control loop. The forward and reverse control loop is a conventional means, and will not be described herein.

Further, the rack 8 slides linearly with the through hole 5 through a guide rail. Facilitating stable sliding of the rack 8.

Furthermore, the telescopic mechanism 10 includes a sleeve 11 fixedly disposed inside the vacuum circuit breaker 2, a sleeve rod 12 is slidably disposed in the sleeve 11, a carrier plate 13 is fixedly disposed on the sleeve rod 12, the closing assembly 4 is disposed on the carrier plate 13, a pressing plate 14 is disposed on a side of the carrier plate 13 close to the wedge 9, and the pressing plate 14 is in press fit with the wedge 9.

In addition, the carrier plate 13 and the loop bar 12 are connected by a corner support. The stress is more uniform.

It should be noted that the surface of the pressing plate 14 is composed of a downward inclined surface 15 located on the upper side and an upward inclined surface 16 located on the lower side, and the downward inclined surface 15 and the upward inclined surface 16 are in pressing contact with the corresponding wedge 9.

It should be noted that the length of the inclined plane of the wedge 9 pressing the pressing plate 14 is adapted to the closing distance of the closing mechanism 3 and the closing assembly 4.

The working principle is as follows: utilize external control mechanism drive motor 6 to rotate in the positive and negative direction, when motor 6 corotation, the rack 8 that is located the upside moves to the right side, the rack 8 that is located the downside moves to the left side, make the wedge 9 of the rack 8 right-hand member of upside extrude the inclined plane 15 that pushes down in the telescopic machanism 10 in the right side, the closing assembly 4 that is located right side telescopic machanism 10 this moment drives it releases from having corresponded closing mechanism 3 in, and the rack 8 of downside promotes the wedge 9 of its left end and extrudees the inclined plane 16 that pushes up in the telescopic machanism 10 in the left side, because the linkage nature of structure, in this process, the wedge 9 of the rack 8 left end of upside realizes dodging for the rise of the telescopic machanism 10 in the left side, the wedge 9 of the rack 8 right-hand member of downside realizes dodging for the decline of the telescopic machanism 10 in the right side.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel chain protection of vacuum circuit breaker device, includes base (1), be equipped with two vacuum circuit breaker (2) on base (1) side by side, vacuum circuit breaker (2) inside is equipped with connects electric complex combined floodgate mechanism (3) and combined floodgate subassembly (4), two through-hole (5) intercommunication, its characterized in that between vacuum circuit breaker (2): through-hole (5) internal setting has motor (6), gear (7) have been cup jointed to motor (6) output shaft tip, gear (7) outside is the horizontal structure parallel and is equipped with two rather than rack (8) of meshing, rack (8) both ends are symmetrical structure and have set firmly two wedge (9), lie in two with one side wedge (9) inclined plane acute angle structural arrangement, closing components (4) connect the electricity cooperation through telescopic machanism (10) and closing mechanism (3), wedge (9) and telescopic machanism (10) extrusion contact.

2. The novel vacuum circuit breaker interlocking protection device of claim 1, characterized in that: the rack (8) slides linearly with the through hole (5) through the guide rail.

3. The novel vacuum circuit breaker interlocking protection device of claim 1, characterized in that: telescopic machanism (10) are including setting firmly in inside sleeve (11) of vacuum circuit breaker (2), it is equipped with loop bar (12) to slide in sleeve (11), support plate (13) have set firmly on loop bar (12), closing components (4) are located on support plate (13), support plate (13) are close to wedge (9) one side and are equipped with clamp plate (14), clamp plate (14) and wedge (9) extrusion fit.

4. The novel vacuum circuit breaker interlocking protection device of claim 3, characterized in that: the carrier plate (13) is connected with the loop bar (12) through a corner support.

5. The novel vacuum circuit breaker interlocking protection device of claim 3, characterized in that: the surface of the pressing plate (14) is composed of a lower pressing inclined surface (15) positioned on the upper side and an upper top inclined surface (16) positioned on the lower side, and the lower pressing inclined surface (15) and the upper top inclined surface (16) are in pressing contact with the corresponding wedge-shaped block (9).

6. The novel vacuum circuit breaker interlocking protection device of claim 5, characterized in that: the length of an inclined plane of the wedge-shaped block (9) extruding pressing plate (14) is matched with the closing distance of the closing mechanism (3) and the closing assembly (4).