CN219534449U

CN219534449U - Manual brake separating device of permanent magnet operating mechanism

Info

Publication number: CN219534449U
Application number: CN202320504743.7U
Authority: CN
Inventors: 黄冬华; 李开明; 倪鹏友
Original assignee: ANHUI HUIKAI ELECTRIC CO LTD
Current assignee: ANHUI HUIKAI ELECTRIC CO LTD
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-15
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a manual brake separating device of a permanent magnet operating mechanism, and particularly relates to the technical field of manual brake separating of high-voltage circuit breakers. According to the utility model, the stability between the mounting ring and the high-voltage circuit breaker is improved by arranging the connecting component, so that the high-voltage circuit breaker is more convenient to mount, the breaking plate is displaced, the breaking plate can be inserted into the high-voltage circuit breaker in the mounting ring, the magnetic field of a ferromagnetic loop of the high-voltage circuit breaker is weakened, the circuit breaker realizes breaking under the action of the breaking spring, and the phenomenon of rebound generated during breaking can be effectively avoided.

Description

Manual brake separating device of permanent magnet operating mechanism

Technical Field

The utility model relates to the technical field of manual brake opening of high-voltage circuit breakers, in particular to a manual brake opening device of a permanent magnet operating mechanism.

Background

The switching-on and switching-off operation of the high-voltage circuit breaker in various normal operation modes and fault modes is generally controlled by the switching-on and switching-off loops of the secondary loop, but in emergency, the switching-off needs to be manually performed so as to quickly cut off faults, so that the manual switching-off is a necessary function of the circuit breaker, and the monostable permanent magnet operating mechanism adopts a switching-off spring to release energy to drive a contact to complete a switching-off task when switching off, and the output characteristic of the spring is more in accordance with the load characteristic of an arc-extinguishing chamber when switching off the circuit breaker, namely, the spring outputs larger pulling force in the initial stage of switching off, and the output force is gradually reduced in the course of running, so that the output characteristic is easier to realize the ideal conditions of higher just switching-off speed and lower switching-off end speed; when the switch is closed, the contact is pushed by the attraction of the permanent magnet and the electromagnetic force generated by energizing the driving coil to complete the switch-on task.

The utility model patent of the patent application number CN201620383242.8 discloses a manual brake separating device of a permanent magnet operating mechanism, which comprises a mounting bent plate, an eccentric shaft and a lever, wherein the eccentric shaft consists of a shaft and an eccentric block arranged at a non-central position on the end surface of the shaft, and the eccentric shaft is rotatably connected to the mounting bent plate;

when the structure is used, the eccentric block is vertically connected with the eccentric shaft through the lever, and is positioned in the end surface groove of the static iron core of the permanent magnet operating mechanism during use, but the phenomenon of rebound is easy to occur when the eccentric block and the lever are in lack of limit, so that the brake is not thoroughly separated.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a manual brake release device of a permanent magnet operating mechanism, which aims to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the manual brake separating device of the permanent magnet operating mechanism comprises a mounting plate arranged on a high-voltage circuit breaker, wherein a connecting assembly is arranged on the mounting plate;

the connecting assembly comprises a limiting plate arranged at one end of the mounting plate, an extension frame used for supporting is arranged on one side of the limiting plate, a rotary table is arranged on one side of the extension frame, a knob is arranged on the rotary table, and a screw rod penetrating through the extension frame and extending to one side of the limiting plate is movably connected with the limiting plate;

the screw rod is connected with a screw hole block in a threaded manner, guide holes which are communicated with each other are formed in the middle of the limiting plate and the middle of the mounting plate in a penetrating manner, and a gate dividing plate mounted on the screw hole block is connected in a sliding manner in the guide holes;

one side of mounting panel is provided with the retainer plate, the outside of retainer plate is provided with the protection kicking block that a plurality of is used for the retainer plate spacing, divide the one end of flashboard to run through the guiding hole and extend to in the retainer plate, divide the one end of flashboard to set up to the arc, the through-hole of installing on high voltage circuit breaker has been seted up at the middle part of retainer plate, the inside of through-hole just has a plurality of positioning fixture block along the axile point circumference distribution of through-hole.

The utility model has the technical effects and advantages that:

compared with the prior art, the high-voltage circuit breaker is simple in overall design and reasonable in structure, the installation of the installation ring is performed through the plurality of positioning clamping blocks arranged on the installation ring by correspondingly matching and using all structures, and the stability between the installation ring and the high-voltage circuit breaker is improved, so that the high-voltage circuit breaker is more convenient and rapid to install;

simultaneously, when the screw rod rotates, the wire hole block can displace along the guide of the guide hole due to the torsion when the screw rod rotates, so that the dividing flashboard displaces, the dividing flashboard can be inserted into the high-voltage circuit breaker in the mounting ring, the magnetic field of the ferromagnetic loop of the high-voltage circuit breaker is weakened, the circuit breaker realizes breaking under the action of the breaking spring, and the phenomenon of rebound generated during breaking can be effectively avoided.

Drawings

In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.

Fig. 1 is a front view of the overall structure of the present utility model.

Fig. 2 is a side view of the overall structure of the present utility model.

Fig. 3 is a front view of the extension frame, turntable, screw, gate dividing plate and wire hole block of the present utility model.

FIG. 4 is a cross-sectional view of the mounting collar, the splitter plate and the mounting plate of the present utility model.

The reference numerals are: 1. a mounting plate; 2. a limiting plate; 3. an extension rack; 4. a turntable; 5. a screw rod; 6. a gate dividing plate; 7. a mounting ring; 8. positioning a clamping block; 9. a protective top block; 10. a knob; 11. a wire hole block; 12. and a guide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment, as shown in fig. 1-4, the manual brake separating device of the permanent magnet operating mechanism can avoid the phenomenon of rebound when the brake is separated through the connecting component arranged on the mounting plate 1, and the specific structure of the component is as follows;

the connecting assembly comprises a limiting plate 2 arranged at one end of the mounting plate 1, an extension frame 3 for supporting is arranged on one side of the limiting plate 2, a rotary table 4 is arranged on one side of the extension frame 3, a knob 10 is arranged on the rotary table 4, and a screw rod 5 penetrating through the extension frame 3 and extending to one side of the limiting plate 2 is movably connected with the limiting plate 2;

the screw rod 5 is in threaded connection with a screw hole block 11, guide holes 12 which are mutually communicated are formed in the middle parts of the limiting plate 2 and the mounting plate 1 in a penetrating manner, and a gate dividing plate 6 which is mounted on the screw hole block 11 is connected in a sliding manner in the guide holes 12;

one side of mounting panel 1 is provided with collar 7, and the outside of collar 7 is provided with the protection kicking block 9 that a plurality of is used for collar 7 spacing, divides flashboard 6 one end to run through guiding hole 12 and extend to in the collar 7, divides flashboard 6 one end to set up to the arc, and the through-hole of installing on high voltage circuit breaker has been seted up at the middle part of collar 7, and the inside of through-hole just has a plurality of positioning fixture 8 along the axile point circumference distribution of through-hole.

When the structure is used, firstly, a worker installs the brake separating device on the high-voltage circuit breaker, and when the brake separating device is installed, the installation ring 7 is sleeved on the high-voltage circuit breaker through the through hole formed in the installation ring 7, and the installation ring 7 is positioned when being installed through the plurality of positioning clamping blocks 8 arranged on the installation ring 7, so that the stability between the installation ring 7 and the high-voltage circuit breaker is improved;

when opening, drive carousel 4 rotation through rotatory knob 10, and can drive lead screw 5 rotation when carousel 4 rotates, wire hole piece 11 is threaded connection with lead screw 5, can make wire hole piece 11 take place the displacement along the direction of guiding hole 12 through the torsion cause when lead screw 5 rotates when lead screw 5 to make the flashboard 6 take place the displacement, and make the flashboard 6 can insert on the high voltage circuit breaker in the installation circle 7, make the magnetic field of the ferromagnetic return circuit of high voltage circuit breaker impaired, the circuit breaker just realizes opening under the effect of opening spring, can effectually avoid producing the phenomenon of resilience when opening.

Compared with the prior art, the manual brake separating device of the permanent magnet operating mechanism is disclosed by the utility model, the mounting ring 7 is positioned through the plurality of positioning clamping blocks 8 arranged on the mounting ring 7, so that the stability between the mounting ring 7 and the high-voltage circuit breaker is improved, the manual brake separating device is more convenient to mount, the screw rod 5 can enable the wire hole block 11 to displace along the guide of the guide hole 12 due to the torsion force generated when the screw rod 5 rotates, the brake separating plate 6 is displaced, the brake separating plate 6 can be inserted into the high-voltage circuit breaker in the mounting ring 7, the magnetic field of the ferromagnetic circuit of the high-voltage circuit breaker is weakened, and the brake separating is realized under the action of the brake separating spring, so that the phenomenon of rebound during brake separating can be effectively avoided.

The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a manual brake separating device of permanent magnetism operating device, includes mounting panel (1) of installing on high voltage circuit breaker, its characterized in that: a connecting component is arranged on the mounting plate (1);

the connecting assembly comprises a limiting plate (2) arranged at one end of the mounting plate (1), an extension frame (3) for supporting is arranged on one side of the limiting plate (2), a rotary table (4) is arranged on one side of the extension frame (3), a knob (10) is arranged on the rotary table (4), and a screw rod (5) penetrating through the extension frame (3) and extending to one side of the limiting plate (2) is movably connected with the limiting plate (2) is movably connected on the rotary table (4);

the screw rod (5) is connected with a screw hole block (11) in a threaded manner, guide holes (12) which are communicated with each other are formed in the middle of the limiting plate (2) and the middle of the mounting plate (1) in a penetrating manner, and a flashboard (6) mounted on the screw hole block (11) is connected in a sliding manner in the guide holes (12).

2. The manual brake release device of a permanent magnet operating mechanism according to claim 1, wherein: one side of mounting panel (1) is provided with collar (7), the outside of collar (7) is provided with a plurality of protection kicking block (9) that are used for collar (7) spacing.

3. The manual brake release device of a permanent magnet operating mechanism according to claim 2, wherein: one end of the flashboard (6) penetrates through the guide hole (12) and extends into the mounting ring (7), and one end of the flashboard (6) is arc-shaped.

4. The manual brake release device of a permanent magnet operating mechanism according to claim 2, wherein: the middle part of the mounting ring (7) is provided with a through hole which is arranged on the high-voltage circuit breaker, and a plurality of positioning clamping blocks (8) are distributed in the through hole and along the circumference of the axis point of the through hole.