CN219591338U - Double-brake-separating coil operating mechanism - Google Patents
Double-brake-separating coil operating mechanism Download PDFInfo
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- CN219591338U CN219591338U CN202320581748.XU CN202320581748U CN219591338U CN 219591338 U CN219591338 U CN 219591338U CN 202320581748 U CN202320581748 U CN 202320581748U CN 219591338 U CN219591338 U CN 219591338U
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Abstract
The utility model discloses a double-brake-separating coil operating mechanism, which belongs to the field of circuit breakers, wherein the operating mechanism adopts the design of double-brake-separating coils, a brake-separating coil is respectively arranged on the inner wall and the outer wall of a side plate, two brake-separating coils can respectively push a brake-separating guide plate on the side plate, even if one brake-separating coil fails, the other brake-separating coil can still continue to work, and when in emergency, the brake-separating coils can automatically separate brake after being electrified, and the two brake-separating coils can be manually operated to push the brake-separating guide plate to move along the horizontal direction, the brake-separating guide plate drives a transmission mechanism to move, so as to drive the brake-separating pawl to rotate, realize the tripping of the brake-separating pawl, complete the brake-separating operation, realize the effective brake-separating of the circuit breaker, and ensure the safety and reliability of the operation of a power system; the mechanism has simple structure and principle, easy replacement of the coil, convenient disassembly and assembly and operation and maintenance, and good popularization and application value.
Description
Technical Field
The utility model belongs to the field of circuit breakers, and particularly relates to a double-brake-separating coil operating mechanism.
Background
The brake separating coil belongs to a control element in a circuit control loop, is widely applied to professional electrical equipment, is mainly applied to an electromagnet mechanism which is easy to damage in a circuit breaker, and relates to whether the whole equipment can safely operate.
The switching-on and switching-off coil burns out accidents frequently occur in the operation of the power system. When an accident occurs to the electrical equipment, if the breaker is refused to act due to the disconnection of the high-voltage breaker brake-separating loop, the accident is expanded, so that the large-area power failure is caused by the brake-separating process, and even serious consequences such as power equipment burnout and fire disaster are caused. Particularly for the breaker mechanism with high through current, the safety and the reliability of high-voltage power supply are ensured, and the problem that must be considered in the operation of a power system is solved.
The existing brake-separating coil operating mechanism cannot realize brake separation due to the fact that a brake-separating coil breaks down when an emergency occurs in the high-voltage power supply process, and cannot guarantee safety and reliability.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the double-brake-separating coil operating mechanism, which provides a guarantee scheme for brake-separating operation when emergency occurs in the high-voltage power supply process, can still realize effective brake separation of a circuit breaker and ensures the operation safety and reliability of an electric power system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-brake-separating coil operating mechanism comprises a side plate;
a brake separating guide plate is arranged on the inner wall of the side plate; the brake separating guide plate can move along the horizontal direction under the action of external force;
the brake separating guide plate is provided with a brake separating pawl, and the brake separating pawl is connected with the brake separating guide plate through a transmission mechanism;
the inner wall and the outer wall of the side plate are respectively provided with a brake separating coil to form a double brake separating coil;
the side plates are provided with slotted holes;
the opening coil on the inner wall of the side plate is contacted with the opening guide plate, and the opening coil on the outer wall of the side plate is contacted with the opening guide plate through the slotted hole.
Further, the transmission mechanism is a transmission rod.
Further, the brake separating guide plate is arranged on the inner wall of the side plate through a limiting mechanism.
Further, the limiting mechanism comprises a sliding rod, the sliding rod penetrates through the side plate and the brake separating guide plate, and one end of the sliding rod, penetrating through the brake separating guide plate, is connected with a limiting pin.
Further, the slide bar is vertically disposed on the side plate.
Further, the two brake separating coils are fixed on the side plates through bolts respectively.
Further, the two brake separating coils are respectively provided with buttons.
Further, the slotted hole is square.
Further, the two brake separating coils are symmetrically arranged.
Further, the two brake separating coils are respectively contacted with the brake separating guide plate through pistons.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a double-brake-separating coil operating mechanism, which adopts the design of double brake-separating coils, wherein a brake-separating coil is respectively arranged on the inner wall and the outer wall of a side plate, two brake-separating coils can respectively push a brake-separating guide plate on the side plate, even if one brake-separating coil fails, the other brake-separating coil can still continue to work, in case of emergency, the brake-separating coils can automatically separate brake after being electrified, and the two brake-separating coils can be manually operated to push the brake-separating guide plate to move along the horizontal direction, the brake-separating guide plate drives a transmission mechanism to move, thereby driving a brake-separating pawl to rotate, realizing the tripping of the brake-separating pawl, completing the brake-separating operation, realizing the effective brake-separating of a circuit breaker and ensuring the safety and reliability of the operation of a power system; the mechanism has simple structure and principle, easy replacement of the coil, convenient disassembly and assembly and operation and maintenance, and good popularization and application value.
Preferably, the limit mechanism is further arranged on the inner wall of the side plate, so that the brake separating guide plate can be effectively limited, the brake separating guide plate is ensured to move along the preset horizontal direction, and the reliability of the brake separating guide plate is improved.
Further preferably, the limit mechanism adopts a structure of a sliding rod and a limit pin, and the sliding rod is fixed on the side plate and penetrates through the brake separating guide plate, so that when the brake separating coil pushes the brake separating guide plate, the brake separating guide plate can only complete linear motion along one direction, and the transmission reliability is improved.
Preferably, the two brake separating coils are respectively provided with the buttons, when the brake is required to be actively separated, the brake separating guide plate is pushed to move by pressing the button of any brake separating coil, so that the active brake separation is completed, and the operation is convenient.
Preferably, the two brake separating coils are symmetrically arranged, so that the stability of the device is improved, and the device is convenient for later fault maintenance and coil replacement.
Preferably, the two brake separating coils are internally provided with the pistons, and under normal conditions, the two pistons are respectively contacted with the brake separating guide plate, and when brake separation is needed, any piston is pushed to further push the brake separating guide plate to move, so that brake separation operation is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a dual-split coil operating mechanism according to an embodiment of the present utility model;
FIG. 2 is a top view of a dual-split coil actuator according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a circuit breaker including a dual-break coil operating mechanism according to an embodiment of the present utility model;
reference numerals:
1. a side plate; 2. a brake separating guide plate; 3. a brake separating device; 4. a brake-separating coil; 5. a limiting pin; 6. a transmission rod; 7. a double-break coil; 8. a slide bar; 9. a slot hole; 10. and (3) a piston.
Detailed Description
The utility model provides a double-brake-separating coil operating mechanism, which comprises a side plate 1;
the inner wall of the side plate 1 is provided with a brake separating guide plate 2; the brake separating guide plate 2 can move along the horizontal direction under the action of external force; the brake separating guide plate 2 is provided with a brake separating pawl 3, and the brake separating pawl 3 is connected with the brake separating guide plate 2 through a transmission mechanism (a transmission rod 6); the inner wall and the outer wall of the side plate 1 are respectively fixedly provided with a brake separating coil 4 through bolts to form a double brake separating coil 7; square slotted holes 9 are formed in the side plates 1;
the opening coil 4 positioned on the inner wall of the side plate 1 is contacted with the opening guide plate 2, and the opening coil 4 positioned on the outer wall of the side plate 1 is contacted with the opening guide plate 2 through the slotted hole 9.
In order to ensure the motion trail of the opening guide plate 2, a limit mechanism is arranged on the inner wall of the side plate 1.
The limiting mechanism is specifically a sliding rod 8, the sliding rod 8 is arranged on the side plate 1 and the brake separating guide plate 2 in a penetrating mode, one end of the sliding rod 8, penetrating through the brake separating guide plate 2, is connected with a limiting pin 5, and the sliding rod 8 is vertically arranged on the side plate 1.
The switching-off operation is convenient, and the two switching-off coils 4 are respectively provided with buttons.
In order to improve the reliability of the device, two brake separating coils 4 are symmetrically arranged on the inner side and the outer side of the side plate 1.
The two brake separating coils 4 are respectively provided with a piston 10, and are contacted with the brake separating guide plate 2 through the pistons 10.
The present utility model will be further described with reference to the following embodiments of the utility model and the accompanying drawings, wherein, of course, the described embodiments are merely some, but not all embodiments of the utility model.
Examples
As shown in fig. 1 and 2, the present embodiment provides a dual-brake-separating coil operating mechanism, which includes a side plate 1, a brake-separating guide plate 2, a brake-separating pawl 3, 2 brake-separating coils 4, a limiting pin 5, a transmission rod 6, a sliding rod 8, a slot 9 and a piston 10.
The piston 10 is a part of the brake separating coil 4 and is used for pushing the brake separating guide plate 2 to move along the horizontal direction; 2 brake-separating coils 4 form a double brake-separating coil 7; after the double-brake-separating coil 7 is electrified, even if one brake-separating coil 4 fails to work, the other brake-separating coil 4 can still complete brake-separating work, and the electric and manual operations can be realized.
The specific structure is as follows:
as shown in fig. 1, the brake separating guide plate 2 is tightly attached to the inner wall of the side plate 1, and can slide on the inner wall of the side plate 1 under the action of external force, the sliding rod 8 is fixed on the side plate 1 through threads, the sliding rod 8 penetrates through the brake separating guide plate 2, the limiting shaft 5 is fixed at one end of the sliding rod 8, the brake separating guide plate 2 is limited to slide in one direction only, the 2 brake separating coils 4 are symmetrically fixed on the inner wall and the outer wall of the side plate 1 through bolts, and the brake separating pawl 3 is connected with the brake separating guide plate 2 through the transmission rod 6 (a transmission shaft can be replaced by a transmission mechanism capable of realizing the rotation of the brake separating pawl 3);
as shown in FIG. 2, the side plate 1 is provided with square slots 9, the opening coil 4 on the inner wall of the side plate 1 contacts with the opening guide plate 2, and the other opening coil 4 passes through the slots 9 to contact with the opening guide plate 2, so that the structure is compact and reliable.
As shown in fig. 3, the present embodiment may be installed on each specification of circuit breakers with rated currents 630 to 4000A, taking a 40.5kv circuit breaker as an example, and the specific working principle of the present embodiment is as follows:
working scenario 1: the opening coil 4 positioned on the inner wall of the side plate 1 is electrified, the electromagnet of the opening coil 4 works to push the piston 10 to move, the piston 10 drives the opening guide plate 2 to horizontally move, the opening guide plate 2 pushes 3 the opening pawl to rotate through the transmission rod 6, and the opening pawl 3 is tripped to finish the opening operation.
The working scenario 2 is that when the brake separating coil 4 positioned on the inner wall of the side plate 1 burns out or other mechanical faults occur, the brake separating coil cannot be separated, a standby scheme is started, the other brake separating coil 4 (positioned on the outer wall of the side plate 1) is electrified, an electromagnet of the brake separating coil works, the pushing piston 10 is pushed to move, the brake separating guide plate 2 is pushed to horizontally move, the brake separating guide plate 2 pushes the brake separating pawl 3 to rotate through the transmission rod 6, the brake separating pawl 3 is tripped, and brake separating operation is completed.
The two brake separating coils 4 can be manually operated, the button of any brake separating coil 4 is manually pressed, and then the movement process is completed, so that the brake separating operation is completed.
This embodiment has the following advantages: because the circuit breaker mechanism is compact in interior, all parts move in a matching way, and the structure design is a great difficulty, the side plates are grooved, and the brake separating coil is connected with the brake separating guide plate through the groove holes, so that the requirement of compact structure is met; the structure can complete the opening of the brake by electrifying the standby coil, and improves the safety of electricity consumption after use; the operating mechanism is simple in structure, convenient to replace the coil, good in stability and high in efficiency, the original breaker structure is not required to be damaged by disassembly and assembly, double insurance is added for the breaker at key time, and then the safety and reliability of the 40.5kv breaker are improved.
Although the embodiments of the present utility model have been described above with reference to the accompanying drawings and examples, the present utility model is not limited to the above-described specific embodiments and application fields, which are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may make many forms without departing from the scope of the utility model as claimed.
Claims (10)
1. The double-brake-separating coil operating mechanism is characterized by comprising a side plate (1);
a brake separating guide plate (2) is arranged on the inner wall of the side plate (1); the brake separating guide plate (2) can move along the horizontal direction under the action of external force;
the brake separating guide plate (2) is provided with a brake separating pawl (3), and the brake separating pawl (3) is connected with the brake separating guide plate (2) through a transmission mechanism;
the inner wall and the outer wall of the side plate (1) are respectively provided with a brake separating coil (4) to form a double brake separating coil (7);
the side plate (1) is provided with a slotted hole (9);
the opening coil (4) positioned on the inner wall of the side plate (1) is contacted with the opening guide plate (2), and the opening coil (4) positioned on the outer wall of the side plate (1) is contacted with the opening guide plate (2) through the slotted hole (9).
2. The double-break coil operating mechanism according to claim 1, characterized in that the transmission mechanism is a transmission rod (6).
3. The double-brake-separating coil operating mechanism according to claim 1, wherein the brake-separating guide plate (2) is arranged on the inner wall of the side plate (1) through a limiting mechanism.
4. A double-brake-separating coil operating mechanism according to claim 3, wherein the limit mechanism comprises a sliding rod (8), the sliding rod (8) is arranged on the side plate (1) and the brake-separating guide plate (2) in a penetrating way, and one end of the sliding rod (8) penetrating through the brake-separating guide plate (2) is connected with a limit pin (5).
5. The double-break coil operating mechanism according to claim 4, wherein the slide bar (8) is vertically provided on the side plate (1).
6. A double-break coil operating mechanism according to claim 1, characterized in that two break coils (4) are fixed to the side plates (1) by bolts, respectively.
7. A double-break coil operating mechanism according to claim 1, characterized in that the two break coils (4) are provided with buttons, respectively.
8. The double-opening coil operating mechanism according to claim 1, wherein the slot (9) is square.
9. A double-break coil operating mechanism according to claim 1, characterized in that the two break coils (4) are symmetrically arranged.
10. A double-break coil operating mechanism according to claim 1, characterized in that two of the break coils (4) are in contact with the break guide plate (2) through pistons (10), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320581748.XU CN219591338U (en) | 2023-03-22 | 2023-03-22 | Double-brake-separating coil operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320581748.XU CN219591338U (en) | 2023-03-22 | 2023-03-22 | Double-brake-separating coil operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219591338U true CN219591338U (en) | 2023-08-25 |
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ID=87698982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320581748.XU Active CN219591338U (en) | 2023-03-22 | 2023-03-22 | Double-brake-separating coil operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219591338U (en) |
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2023
- 2023-03-22 CN CN202320581748.XU patent/CN219591338U/en active Active
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