CN219778803U - Environment-friendly gas-insulated circuit breaker operating mechanism - Google Patents

Abstract

The utility model provides an environmental protection gas-insulated circuit breaker operating device, which comprises a front plate, the medium plate, the back plate, first actuating assembly, the second actuating assembly, third actuating assembly, the interlocking board, first connecting rod and second connecting rod, first actuating assembly, the second actuating assembly, the third actuating assembly all sets up between medium plate and back plate and be left and right, well distribution, the interlocking board is located between front bezel and the medium plate and realizes the swing through the third actuating assembly drive that sets up between medium plate and back plate, third actuating assembly also drives simultaneously and sets up first connecting rod and the second connecting rod at the medium plate, first connecting rod prevents that second actuating assembly from rotating and drive rather than linking to each other and first actuating assembly rotates the drive spring when the swing and realizes the separating brake, the interlocking board prevents first actuating assembly and drives second actuating assembly to rotate the drive spring and realize the combined floodgate when the second connecting rod swings. The utility model uses the energy storage spring as the power for closing/opening the switch, and has the advantages of simple and compact structure, few transmission parts and the like.

Description

Environment-friendly gas-insulated circuit breaker operating mechanism

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an environment-friendly gas-insulated circuit breaker operating mechanism.

Background

A circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like.

At present, a breaker operating mechanism on a market needs to be used as breaker closing power through a magnetic holding operating mechanism, so that the complexity of the structure is certainly increased, the requirement on sulfur hexafluoride gas is high, and the sulfur hexafluoride gas can generate toxicity when being excited by an electric arc, so that the environment friendliness is poor.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned drawbacks of the prior art by providing an environment-friendly gas-insulated circuit breaker operating mechanism for solving the above-mentioned problems.

The utility model solves the technical problems by adopting the technical scheme that: the operating mechanism of the environment-friendly gas-insulated circuit breaker comprises a front plate, a middle plate and a rear plate, and further comprises a first driving assembly, a second driving assembly, a third driving assembly, an interlocking plate, a first connecting rod and a second connecting rod, wherein the first driving assembly, the second driving assembly and the third driving assembly are arranged between the middle plate and the rear plate and distributed in the left, right and middle directions, the interlocking plate is positioned between the front plate and the middle plate and driven by the third driving assembly arranged between the middle plate and the rear plate to realize swinging, the third driving assembly also drives the first connecting rod and the second connecting rod arranged on the middle plate at the same time, the first connecting rod prevents the second driving assembly from rotating and drives the first driving assembly to rotate so as to realize opening of a driving spring, and the interlocking plate prevents the first driving assembly from rotating and drives the second driving assembly to rotate so as to realize closing when the second connecting rod swings.

Further perfecting, the first driving assembly, the second driving assembly and the third driving assembly are arranged in an isosceles triangle.

Further perfecting, the third driving assembly comprises a first rotating shaft and a rear end connecting plate seat arranged on the first rotating shaft, wherein the first rotating shaft rotates in the middle plate, the front end of the first rotating shaft is connected with the interlocking plate, and a driving rod for driving the first connecting rod and the second connecting rod to swing is arranged on the connecting plate seat.

Further perfecting, the middle plate is provided with two common swinging points which are used for realizing the swinging of the first connecting rod and the second connecting rod.

Further, the bottom surface of the first connecting rod is provided with a first guide track which swings upwards and rightwards when the driving rod rotates anticlockwise, and the bottom surface of the second connecting rod is provided with a second guide track which swings upwards and rightwards when the driving rod rotates clockwise.

Further perfecting, the connecting plate seat is also fixed with a guide rod, and the rear plate is provided with a limit groove for placing the guide rod in and limiting the swing amplitude of the guide rod.

Further perfecting, first drive assembly includes the second pivot and with the first axle sleeve of second pivot cartridge, first axle sleeve setting is at the medium plate, second drive assembly includes the third pivot and with the second axle sleeve of third pivot cartridge, the second axle sleeve setting is at the medium plate, first axle sleeve, second axle sleeve and interlock board complex end department all set up jaggedly, the interlock board has both ends gag lever post, and both ends gag lever post acts on second axle sleeve/first axle sleeve respectively when opening/closing a floodgate and prevents second drive assembly/first drive assembly rotation.

The beneficial effects of the utility model are as follows:

the utility model uses the energy storage spring as the power of closing/opening, and forms an operating mechanism through the cooperation of the corresponding planar link mechanisms, thereby realizing the opening and closing operation of the circuit breaker.

Drawings

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

FIG. 2 is a schematic view of the back side of the present utility model with the rear panel hidden;

FIG. 3 is a schematic view of the front face of the present utility model with the front panel hidden;

FIG. 4 is a schematic view of a first connecting rod according to the present utility model;

fig. 5 is a schematic structural view of a second link according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

referring to the drawings: the environment-friendly gas-insulated circuit breaker operating mechanism comprises a front plate 1, a middle plate 2 and a rear plate 3, and further comprises a first driving component 4, a second driving component 5, a third driving component 6, an interlocking plate 7, a first connecting rod 8 and a second connecting rod 9, wherein the first driving component 4, the second driving component 5 and the third driving component 6 are all arranged between the middle plate 2 and the rear plate 3 and distributed left, right and middle, the interlocking plate 7 is positioned between the front plate 1 and the middle plate 2 and driven by the third driving component 6 arranged between the middle plate 2 and the rear plate 3, the third driving component 6 also drives a first connecting rod 8 and a second connecting rod 9 arranged on the middle plate 2 at the same time, the first connecting rod 8 prevents the second driving component 5 from rotating and drives the first driving component 4 connected with the second driving component to rotate a driving spring 20 to realize opening, and the interlocking plate 7 prevents the first driving component 4 from rotating and drives the second driving component 5 to rotate a driving spring 20 to realize closing when the second connecting rod 9 swings.

The first driving component 4, the second driving component 5 and the third driving component 6 are arranged in an isosceles triangle, so that space can be provided for a spring connected with the first driving component 4 and the second driving component 5, and the first connecting rod 8 and the second connecting rod 9 can be positioned below the first driving component 4 and the second driving component 5 to provide sufficient space.

The third driving assembly 6 comprises a first rotating shaft 61 and a connecting plate seat 62 arranged at the rear end of the first rotating shaft 61, the first rotating shaft 61 rotates in the middle plate 2, the front end of the first rotating shaft is connected with the interlocking plate 7, a driving rod 62-a for driving the first connecting rod 8 and the second connecting rod 9 to swing is arranged on the connecting plate seat 62, the first rotating shaft 61 can rotate and can move to drive the interlocking plate 7 to rotate, meanwhile, driving force for realizing swing is provided for the first connecting rod 8 and the second connecting rod 9, the action end of the driving rod 62-a can adapt to the arrangement of the first connecting rod 8 and the second connecting rod 9 in a front-back dislocation mode, namely the first connecting rod 8 or the second connecting rod 9 is driven respectively, and the connecting plate seat 62 is not only used for installing the driving rod 62-a, but also can be used as a limiting part for limiting the moving distance of the first rotating shaft 61.

The medium plate 2 is equipped with two places as the common swing point that realizes first connecting rod 8 and second connecting rod 9 wobbling, be fixed with two inserted bars 21 on the medium plate 2, first slot 82, the second slot 92 with two inserted bar 21 position adaptation have all been seted up on the surface of first connecting rod 8 and second connecting rod 9, in the time of can reducing the setting quantity of inserted bar 21 like this, also ensure that first connecting rod 8, second connecting rod 9 can take place the swing, first slot 82, second slot 92 still possess the constraint effect simultaneously, avoid first connecting rod 8, second connecting rod 9 removal range is too big promptly.

The bottom surface of the first link 8 is provided with a first guide track 81 which swings the first link 8 upward and rightward when the driving lever 62-a rotates counterclockwise, the bottom surface of the second link 9 is provided with a second guide track 91 which swings the second link 9 upward and rightward when the driving lever 62-a rotates clockwise, the end of the driving lever 62-a is a hexagon nut, friction force can be generated between the driving lever 62-a and the first guide track 81 or the second guide track 91, and the first link 8 swings upward and rightward through the first guide track 81 and the second link 9 swings upward and rightward through the second guide track 91 by the friction force.

The connecting plate seat 62 is also fixed with a guide rod 62-b, the rear plate 3 is provided with a limit groove 31 for placing the guide rod 62-b therein and limiting the swing amplitude of the guide rod 62-b, and because the third driving assembly 6 is controlled manually, the rotation amplitude of the first rotating shaft 61 directly influences the rotation amplitude of the first driving assembly 4 and the second driving assembly 5 and also influences a spring connected between the first driving assembly 4 and the second driving assembly 5, the rotation amplitude of the first rotating shaft 61 is restrained through the limit groove 31, and the structure is simple and convenient to realize.

The first driving assembly 4 comprises a second rotating shaft 41 and a first shaft sleeve 42 which is inserted with the second rotating shaft 41, the first shaft sleeve 42 is arranged on the middle plate 2, the second driving assembly 5 comprises a third rotating shaft 51 and a second shaft sleeve 52 which is inserted with the third rotating shaft 51, the second shaft sleeve 52 is arranged on the middle plate 2, notches 10 are formed in the matched end positions of the first shaft sleeve 42, the second shaft sleeve 52 and the interlocking plate 7, the interlocking plate 7 is provided with two ends 71, the two end limiting rods 71 respectively act on the second shaft sleeve 52/the first shaft sleeve 42 to prevent the second driving assembly 5/the first driving assembly 4 from rotating during opening and closing, the notch 10 is arranged to enable the end parts of the first shaft sleeve 42 and the second shaft sleeve 52 to be semicircular, the notch 10 is used as a constraint space, the first shaft sleeve 42 or the second shaft sleeve 52 can be limited to rotate when the interlocking plate 7 is clamped, meanwhile, the interlocking plate 7 is in a triangular shape according to the isosceles triangle arrangement of the first driving assembly 4, the second driving assembly 5 and the third driving assembly 6, the two end limiting rods 71 have height differences, and therefore one end limiting rods 71 are not matched with the first shaft sleeve 42 and the second shaft sleeve 52 and the other end limiting rods 52 are not matched with the second shaft sleeve 52.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (7)

1. The utility model provides an environmental protection gas-insulated circuit breaker operating device, includes front bezel (1), medium plate (2) and back plate (3), its characterized in that: still include first drive assembly (4), second drive assembly (5), third drive assembly (6), interlock board (7), first connecting rod (8) and second connecting rod (9), first drive assembly (4), second drive assembly (5), third drive assembly (6) all set up in medium plate (2) with between back plate (3) and be left and right, well distribution, interlock board (7) are located front bezel (1) with between medium plate (2) and through setting up third drive assembly (6) drive between medium plate (2) with back plate (3) realizes the swing, third drive assembly (6) also drive simultaneously set up medium plate (2) first connecting rod (8) and second connecting rod (9), first connecting rod (8) are in during the swing interlock board (7) prevent second drive assembly (5) rotate and drive rather than link to rotate first drive assembly (4) and first drive assembly (20) divide-up drive spring (20) realize that second drive assembly (20) are rotated interlock board (4) and are realized.

2. The operating mechanism of an environment-friendly gas-insulated circuit breaker according to claim 1, wherein the first driving component (4), the second driving component (5) and the third driving component (6) are arranged in an isosceles triangle.

3. The operating mechanism of the environment-friendly gas-insulated circuit breaker according to claim 1, wherein the third driving assembly (6) comprises a first rotating shaft (61) and a connecting plate seat (62) arranged at the rear end of the first rotating shaft (61), the first rotating shaft (61) rotates in the middle plate (2), the front end of the first rotating shaft is connected with the interlocking plate (7), and a driving rod (62-a) for driving the first connecting rod (8) and the second connecting rod (9) to swing is arranged on the connecting plate seat (62).

4. An environmentally friendly gas-insulated circuit breaker operating mechanism according to claim 3, characterized in that the middle plate (2) is provided with two points as common swing points for swinging the first link (8) and the second link (9).

5. The operating mechanism of an environment-friendly gas-insulated circuit breaker according to claim 4, characterized in that the bottom surface of the first link (8) is provided with a first guide track (81) that swings upward and rightward of the first link (8) when the driving lever (62-a) rotates counterclockwise, and the bottom surface of the second link (9) is provided with a second guide track (91) that swings upward and rightward of the second link (9) when the driving lever (62-a) rotates clockwise.

6. An operating mechanism for an environment-friendly gas-insulated circuit breaker according to claim 3, characterized in that the connecting plate seat (62) is also fixed with a guide rod (62-b), and the rear plate (3) is provided with a limit groove (31) for placing the guide rod (62-b) therein and limiting the swing amplitude of the guide rod (62-b).

7. The operating mechanism of an environment-friendly gas-insulated circuit breaker according to claim 1, wherein the first driving component (4) comprises a second rotating shaft (41) and a first shaft sleeve (42) which is inserted and matched with the second rotating shaft (41), the first shaft sleeve (42) is arranged on the middle plate (2), the second driving component (5) comprises a third rotating shaft (51) and a second shaft sleeve (52) which is inserted and matched with the third rotating shaft (51), the second shaft sleeve (52) is arranged on the middle plate (2), notches (10) are formed at the matched end positions of the first shaft sleeve (42), the second shaft sleeve (52) and the interlocking plate (7), the interlocking plate (7) is provided with two end limiting rods (71), and the two end limiting rods (71) respectively act on the second shaft sleeve (52)/the first shaft sleeve (42) to prevent the second driving component (5)/the first driving component (4) from rotating during opening/closing.