CN218274302U

CN218274302U - Manual switching-off permanent magnet operating mechanism of solid ring main unit

Info

Publication number: CN218274302U
Application number: CN202222875476.2U
Authority: CN
Inventors: 赵永和; 凌泽建
Original assignee: Zhejiang Juli Electrical Co ltd
Current assignee: Zhejiang Juli Electrical Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-01-10
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a manual separating brake permanent magnetism operating device of solid looped netowrk cabinet, including the switch body, permanent magnetic mechanism, drive mechanism and switch main shaft, drive mechanism connects permanent magnetic mechanism and switch main shaft respectively, it is including receiving permanent magnetic mechanism drive pivoted permanent magnet output shaft, locate on the permanent magnet output shaft, and rather than the first turning arm of linkage, the first drive end that permanent magnet output shaft was kept away from to first turning arm is rotated through first connecting rod and second turning arm drive switch main shaft, still including being suitable for drive switch main shaft towards separating brake direction pivoted manual separating brake mechanism, manual separating brake mechanism includes: the manual split shaft is rotatably arranged on the switch body; the third crank arm is fixed on the hand split shaft and rotates in linkage with the hand split shaft; and the push plate can be integrally installed on the switch body in a translation mode, one end of the push plate is linked with the second crank arm, and the other end of the push plate is provided with a driving inclined plane which can be abutted against the first driving end so as to drive the permanent magnet output shaft to rotate towards the opening direction.

Description

Manual switching-off permanent magnet operating mechanism of solid ring main unit

Technical Field

The utility model relates to a distribution technical field, concretely relates to manual separating brake permanent magnetism operating device of solid looped netowrk cabinet.

Background

The reliability of the operating mechanism as an important component of the circuit breaker directly affects the performance and quality of the circuit breaker. Compared with the traditional electromagnetic mechanism and spring mechanism, the permanent magnetic mechanism has the advantages of simple structure, less parts, low operation energy consumption, long service life and the like, so that the permanent magnetic mechanism is increasingly applied to the vacuum circuit breaker.

The existing permanent magnet operating mechanism realizes switching-on and switching-off operations by depending on a power supply and a controller, and once a circuit is powered off and overhauled or a control box is in fault, electric switching-off cannot be realized, so that the power circuit cannot normally run, and great loss is caused to a power system and users.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that permanent magnetism operating device can not realize manual separating brake among the prior art to a manual separating brake permanent magnetism operating device of solid looped netowrk cabinet is provided.

For this, the utility model provides a manual separating brake permanent magnetism operating device of solid looped netowrk cabinet, including switch body, permanent magnetic mechanism, drive mechanism and switch main shaft, drive mechanism connects respectively permanent magnetic mechanism with switch main shaft, it is including receiving permanent magnetic mechanism drive pivoted permanent magnetism output shaft locates on the permanent magnetism output shaft, and rather than the first turning arm of linkage, first turning arm is kept away from permanent magnetism output shaft's first drive end is through first connecting rod and second turning arm drive the switch main shaft rotates, still including being suitable for the drive switch main shaft is towards separating brake direction pivoted manual separating brake mechanism, manual separating brake mechanism includes: the manual split shaft is rotatably arranged on the switch body; the third crank arm is fixed on the hand split shaft and rotates in linkage with the hand split shaft; and the push plate can be integrally installed on the switch body in a translation mode, one end of the push plate is linked with the second crank arm, and the other end of the push plate is provided with a driving inclined plane which can be abutted against the first driving end to drive the permanent magnet output shaft to rotate towards the opening direction.

The push pedal with be equipped with guide structure between the switch body, guide structure includes: the guide hole is arranged on the push plate and extends along the moving direction of the push plate; and the guide piece is fixed on the switch body and is provided with a guide shaft which extends into the guide hole and can move relative to the guide hole.

The guiding axle runs through the guiding hole sets up, the guide has the branch to be located guiding axle both sides, and can with the spacing portion that the both sides of push pedal width direction correspond the setting.

The first driving end is provided with a first connecting shaft connected with the first connecting rod and a first roller sleeved on the first connecting shaft and abutted against the driving inclined plane.

The third connecting lever has first connecting arm and second connecting arm that the branch was located its rotation center both sides, just extended outwards, be equipped with rectangular hole on the first connecting arm, the push pedal has and stretches into rectangular downthehole, just receive first connecting arm driven second connecting axle.

The hand split shaft resetting device further comprises an elastic piece suitable for driving the hand split shaft to reset.

The elastic piece is a torsion spring sleeved on the hand branch shaft, one end of the torsion spring is abutted to the switch body, and the other end of the torsion spring is abutted to the second connecting arm.

The permanent magnet mechanism comprises a coil, a movable iron core and a fourth crank arm, wherein the fourth crank arm is fixed on the permanent magnet output shaft and is provided with a second driving end matched with the movable iron core.

And the second driving end is provided with a second roller which is matched and propped against the movable iron core.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a manual separating brake permanent magnetism operating device, manual separating brake mechanism includes: the manual split shaft is rotatably arranged on the switch body; the third crank arm is fixed on the hand split shaft and rotates in linkage with the hand split shaft; and the push plate can be integrally installed on the switch body in a translation manner, one end of the push plate is linked with the second crank arm, and the other end of the push plate is provided with a driving inclined plane which can be abutted against the first driving end so as to drive the permanent magnet output shaft to rotate towards the opening direction. During manual separating brake, insert the separating brake handle in the hand minute axle and drive its anticlockwise rotation, then through third connecting lever drive push pedal upwards sliding, the drive inclined plane and the first drive end of push pedal offset, and then drive permanent magnet output shaft clockwise rotation through first connecting lever, first connecting lever is through first connecting rod, second connecting lever drive switch main shaft anticlockwise rotation to realize manual separating brake. The manual brake separating mechanism has the advantage of simple structure, and the brake separating handle is arranged on the manual brake separating shaft and is far away from the axis of the switch main shaft, so that the manual brake separating is labor-saving under the same rotating torque.

2. The utility model provides a manual separating brake permanent magnetism operating device, first drive end are equipped with the first connecting axle that links to each other with first connecting rod to and the first roller that the cover was located on the first connecting axle, was offseted with the drive inclined plane, be rolling friction between first roller and the drive inclined plane, and wearing and tearing are less, have prolonged life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the manual opening permanent magnet operating mechanism of the present invention;

FIG. 2 is a perspective view of FIG. 1 with a portion of the mounting plate removed;

FIG. 3 is a schematic illustration of the exploded structure of FIG. 1;

FIG. 4 is a perspective view of the guide;

fig. 5 is a sectional view of the permanent magnet mechanism.

Description of the reference numerals: 1. a switch body; 2. a permanent magnet mechanism; 3. switching on and off the main shaft; 4. a permanent magnet output shaft; 5. a first crank arm; 6. a first drive end; 7. a first link; 8. a second crank arm; 9. separating the shaft by hand; 10. a third crank arm; 11. pushing the plate; 12. a drive ramp; 13. a guide hole; 14. a guide member; 15. a guide shaft; 16. a limiting part; 17. a first connecting shaft; 18. a first roller; 19. a first connecting arm; 20. a second connecting arm; 21. a strip hole; 22. a second connecting shaft; 23. a coil; 24. a movable iron core; 25. a fourth crank arm; 26. a second drive end; 27. a second roller.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of 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," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a manual opening permanent magnet operating mechanism of a solid ring main unit, as shown in fig. 1 and 2, the manual opening permanent magnet operating mechanism comprises a switch body 1, a permanent magnet mechanism 2, a transmission mechanism, a switch main shaft 3 and a manual opening mechanism.

The transmission mechanism is respectively connected with the permanent magnet mechanism 2 and the switch spindle 3, and as shown in fig. 2, the transmission mechanism comprises a permanent magnet output shaft 4 driven by the permanent magnet mechanism 2 to rotate, and a first crank arm 5 arranged on the permanent magnet output shaft 4 and linked with the permanent magnet output shaft, wherein the first crank arm 5 is far away from a first driving end 6 of the permanent magnet output shaft 4 and drives the switch spindle 3 to rotate through a first connecting rod 7 and a second crank arm 8. The first driving end 6 is provided with a first connecting shaft 17 connected with the first connecting rod 7, and a first roller 18 sleeved on the first connecting shaft 17 and abutting against the driving inclined surface 12.

As shown in fig. 3, the manual opening mechanism includes a manual opening shaft 9, a third crank arm 10, a push plate 11 and an elastic member.

And a manual release shaft 9 rotatably mounted on the switch body 1.

Third connecting lever 10 is fixed in on the hand minute axle 9, and rotates rather than the linkage, third connecting lever 10 has the branch and locates its rotation center both sides, and first connecting arm 19 and the second connecting arm 20 that extend outwards, be equipped with rectangular hole 21 on the first connecting arm 19, push pedal 11 has and stretches into in the rectangular hole 21, and receive first connecting arm 19 driven second connecting axle 22.

And the push plate 11 can be integrally installed on the switch body 1 in a translation manner, one end of the push plate is linked with the second crank arm 8, and the other end of the push plate is provided with a driving inclined surface 12 which can be abutted against the first driving end 6 to drive the permanent magnet output shaft 4 to rotate towards the opening direction. Push pedal 11 with be equipped with guide structure between the switch body 1, guide structure includes: the two guide holes 13 are arranged on the push plate 11 and extend along the moving direction of the push plate 11; two guide members 14 fixed to the switch body 1, the guide members 14 having guide shafts 15 which are inserted into the guide holes 13 and are movable relative thereto. As shown in fig. 4, the guide shaft 15 is disposed through the guide hole 13, the guide 14 has a stopper 16 disposed on both sides of the guide shaft 15 and corresponding to both sides of the push plate 11 in the width direction,

and the elastic piece is suitable for driving the hand split shaft 9 to reset. In this embodiment, the elastic member is a torsion spring (not shown) sleeved on the hand shaft 9, one end of the torsion spring abuts against the switch body 1, and the other end of the torsion spring abuts against the second connecting arm 20.

As shown in fig. 5, the permanent magnet mechanism 2 includes a coil 23, a movable iron core 24 and a fourth crank arm 25, the fourth crank arm 25 is fixed on the permanent magnet output shaft 4 and has a second driving end 26 matched with the movable iron core 24, and the second driving end 26 is provided with a second roller 27 matched and abutted against the movable iron core 24. When the switch needs to be switched on, the coil 23 is electrified, the movable iron core 24 moves upwards, the permanent magnet output shaft 4 is driven to rotate clockwise through the fourth crank arm 25, and the switch main shaft 3 is driven to rotate through the first crank arm 5, the first connecting rod 7 and the second crank arm 8. It should be noted that the permanent magnet mechanism 2 is a mature technology in the prior art, so the specific structure and the operation principle thereof are described in detail.

The utility model provides a manual separating brake permanent magnetism operating device, manual separating brake mechanism include hand minute axle 9, third connecting lever 10 and push pedal 11. During manual separating brake, insert the separating brake handle and drive its anticlockwise rotation in the hand minute axle 9, then drive push pedal 11 through third connecting lever 10 and upwards slide, the drive inclined plane 12 and the first drive end 6 of push pedal 11 offset, and then drive permanent magnet output shaft 4 anticlockwise rotation through first connecting lever 5, first connecting lever 5 is through first connecting

rod

7, 8 drive switch main shafts 3 clockwise rotation of second connecting lever to realize manual separating brake. Because the brake separating handle is arranged on the hand brake separating shaft 9 and is far away from the axis of the switch main shaft 3, the manual brake separating is labor-saving under the same rotating torque.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a manual separating brake permanent magnetism operating device of solid looped netowrk cabinet, includes switch body (1), permanent magnetic mechanism (2), drive mechanism and switch main shaft (3), drive mechanism connects respectively permanent magnetic mechanism (2) with switch main shaft (3), it is including receiving permanent magnetic mechanism (2) drive pivoted permanent magnetism output shaft (4), locates on permanent magnetism output shaft (4) and rather than linked first turning arm (5), keep away from first turning arm (5) first drive end (6) of permanent magnetism output shaft (4) are through first connecting rod (7) and second turning arm (8) drive switch main shaft (3) rotate, its characterized in that still including being suitable for the drive switch main shaft (3) are towards separating brake direction pivoted manual separating brake mechanism, manual separating brake mechanism includes:

the hand-separating shaft (9) is rotatably arranged on the switch body (1);

the third crank arm (10) is fixed on the hand split shaft (9) and rotates in a linkage manner with the hand split shaft;

and the push plate (11) can be integrally installed on the switch body (1) in a translation mode, one end of the push plate is linked with the second crank arm (8), and the other end of the push plate is provided with a driving inclined surface (12) which can abut against the first driving end (6) to drive the permanent magnet output shaft (4) to rotate towards the opening direction.

2. The manual switching-off permanent magnet operating mechanism of the solid ring main unit as claimed in claim 1, wherein a guiding structure is arranged between the push plate (11) and the switch body (1), and the guiding structure comprises:

at least one guide hole (13) which is arranged on the push plate (11) and extends along the moving direction of the push plate (11);

at least one guide (14) is fixed on the switch body (1), and the guide (14) is provided with a guide shaft (15) which extends into the guide hole (13) and can move relative to the guide hole.

3. The manual opening permanent magnet operating mechanism of the solid ring main unit according to claim 2, wherein the guide shaft (15) penetrates through the guide hole (13), and the guide member (14) has a limiting portion (16) which is separately disposed on two sides of the guide shaft (15) and can be disposed corresponding to two sides of the width direction of the push plate (11).

4. The manual opening permanent magnet operating mechanism of the solid ring main unit according to any one of claims 1 to 3, wherein the first driving end (6) is provided with a first connecting shaft (17) connected with the first connecting rod (7), and a first roller (18) sleeved on the first connecting shaft (17) and abutting against the driving inclined surface (12).

5. The manual switching-off permanent magnet operating mechanism of the solid ring main unit as claimed in claim 1, wherein the third crank arm (10) has a first connecting arm (19) and a second connecting arm (20) separately disposed at two sides of the rotation center and extending outwards, the first connecting arm (19) is provided with a long hole (21), and the push plate (11) has a second connecting shaft (22) extending into the long hole (21) and driven by the first connecting arm (19).

6. The manual opening permanent magnet operating mechanism of the solid ring main unit as claimed in claim 5, further comprising an elastic member adapted to drive the manual opening shaft (9) to reset.

7. The manual opening permanent magnet operating mechanism of the solid ring main unit according to claim 6, wherein the elastic member is a torsion spring sleeved on the manual opening shaft (9), one end of the torsion spring abuts against the switch body (1), and the other end of the torsion spring abuts against the second connecting arm (20).

8. The manual opening permanent magnet operating mechanism of the solid ring main unit as claimed in claim 1, wherein the permanent magnet mechanism (2) includes a coil (23), a movable iron core (24) and a fourth crank arm (25), the fourth crank arm (25) is fixed on the permanent magnet output shaft (4) and has a second driving end (26) engaged with the movable iron core (24).

9. The manual opening permanent magnet operating mechanism of the solid ring main unit according to claim 8, wherein the second driving end (26) is provided with a second roller (27) which is matched and abutted against the movable iron core (24).