CN216698140U

CN216698140U - Novel manual blocking device of three-phase linkage spring operating mechanism of circuit breaker

Info

Publication number: CN216698140U
Application number: CN202220281238.6U
Authority: CN
Inventors: 李洪兵; 王小平; 张树民; 王向功; 田静
Original assignee: Tai'an Taihe Power Equipment Co ltd
Current assignee: Tai'an Taihe Power Equipment Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-07
Anticipated expiration: 2032-02-11

Abstract

The utility model provides a novel manual shutting of circuit breaker three-phase linkage spring operating mechanism device sets up on three-phase linkage spring operating mechanism, three-phase linkage spring operating mechanism includes motor energy memory, motor energy memory includes the energy storage motor, energy storage motor department sets up the mounting panel, the trompil setting of mounting panel is in the motor shaft position of energy storage motor, and the handle can pass the drive is connected to the trompil the motor shaft, trompil department is provided with manual blocked mechanical system, manual blocked mechanical system can the change position, can shelter from promptly the trompil or avoid the trompil, one side of manual blocked mechanical system still is provided with travel switch, avoids when manual blocked mechanical system during the trompil, can trigger travel switch. Through the use of the manual locking mechanism, the manual energy storage operation cannot be carried out under the electrified condition, so that misoperation of personnel is prevented, and when the manual energy storage operation is needed, the manual operation can be carried out by using the handle after the control device is powered off and stopped.

Description

Novel manual blocking device of three-phase linkage spring operating mechanism of circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a novel manual locking device of a three-phase linkage spring operating mechanism of a circuit breaker.

Background

Generally, a three-phase linkage spring mechanism of a 220KV circuit breaker is provided with a motor energy storage device, and the three-phase linkage spring mechanism can be remotely and locally electrically controlled under normal conditions to normally store energy in a motor, so that the mechanism is driven to normally open and close. If during manual operation, because need connect motor shaft (hexagonal axle) clockwise through the handle and rotate and carry out manual energy storage, this in-process can not live working, consequently need cut off energy storage motor and divide-shut brake circuit power, prevent that the mechanism from taking place the maloperation, influencing the mechanism and use. However, in the existing structure, a special manual locking device is not provided, so that in the manual energy storage process, the operation is more complicated, and the problem of designing a corresponding structure to change is solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of lack of a special manual locking device for a three-phase linkage spring operating mechanism of a circuit breaker, the utility model provides the novel manual locking device for the three-phase linkage spring operating mechanism of the circuit breaker, which can prevent a handle from being connected with a motor shaft to work in an electrified way under a normal state, and can directly control a manual locking mechanism to drive a travel switch to stop and provide a motor shaft connecting hole when manual energy storage is needed, so that manual energy storage is convenient, and the manual locking device is very convenient.

The technical scheme of the utility model is as follows:

the utility model provides a novel manual shutting of circuit breaker three-phase linkage spring operating mechanism device, includes the mounting panel, the mounting panel is provided with the trompil, the trompil can hold the handle and pass, trompil department is provided with manual blocked mechanical system, manual blocked mechanical system can the relocation, can shelter from promptly the trompil or avoid the trompil, one side of manual blocked mechanical system still is provided with travel switch, avoids as manual blocked mechanical system during the trompil, can trigger travel switch. Under a normal state, due to the existence of the manual locking mechanism, the handle cannot be inserted from the opening, and after the manual locking mechanism is moved, the handle can directly abut against the travel switch to trigger the shutdown, so that the handle is safely inserted and the subsequent operation can be carried out.

Preferably, the manual locking mechanism comprises a manual locking plate, and an elastic member is connected to the manual locking plate and can drive the manual locking plate to move from the opening avoiding position to the opening shielding position. The manual switching of two kinds of states is more loaded down with trivial details, consequently resets through the elastic component and can be more high-efficient, and the elastic component generally adopts structures such as spring, torsional spring.

Preferably, the manual locking plate is rotatably connected with the rotating seat, and the rotating seat is fixedly connected with the mounting plate. Rotation and movement are both possible, and rotation is more desirable because the device requires space and cost considerations.

Preferably, the elastic part is a reset torsion spring, one end of the reset torsion spring is abutted to the clamping shaft of the manual locking plate, and the other end of the reset torsion spring is abutted to the limiting part arranged on the mounting plate. It is more convenient to adopt a torsion spring during rotation, and a spring is generally adopted during movement.

Preferably, the mounting plate is further provided with a limiting column, and when the manual locking plate abuts against the limiting column, the manual locking plate is located above the opening to shield the opening. After the reset torsion spring is installed, the manual locking plate is positioned preferably when the opening is completely shielded, so that the limiting column at the corresponding position is the most suitable choice.

Preferably, the manual locking plate is provided with a handle on a plane far away from the mounting plate. The handle is convenient for the operator to use the manual locking plate.

Preferably, travel switch's both sides that are close to the mounting panel and keep away from the mounting panel all set up the insulating piece, just travel switch can dismantle to fix on the mounting panel. As the name implies, the insulating sheet is used for insulation.

Preferably, the limiting member is detachably fixed on the mounting plate. Is convenient for replacement and changing positions. And the limit column generally uses a screw, so that the cost is low and the installation and the disassembly are easy.

Preferably, the limiting column is located in the area between the opening of the mounting plate and the rotating seat. Compare spacing post setting in the below position of the trompil of mounting panel, the position is more suitable.

Preferably, a bolt is arranged at one end, far away from the manual locking plate, of the rotating seat to limit the manual locking plate. After the connection is rotated, the bolt is adopted to fix the locking plate more efficiently and prevent the manual locking plate from separating from the position.

Compared with the prior art, the utility model has the following beneficial effects: through manual blocked mechanical system's use, make under the electrified condition, can't carry out manual energy storage operation to prevent personnel's maloperation, and when needing manual energy storage operation, through removing manual blocked mechanical system can the controlling means outage and then use the handle to carry out manual operation.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a front view of the present invention (in a conventional state);

FIG. 2 is a front view of the present invention (in a manual operation state);

FIG. 3 is a schematic top view of the present invention;

the components represented by the reference numerals in the figures are:

1. an energy storage motor; 11. a motor shaft; 2. mounting a plate; 3. a travel switch; 31. an insulating sheet; 4. a manual locking mechanism; 41. a manual locking plate; 42. a limiting column; 43. a grip; 44. clamping a shaft; 45. a return torsion spring; 46. a limiting member; 47. and (6) rotating the seat.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Example 1

As shown in fig. 1-3, the novel manual locking device of the three-phase linkage spring operating mechanism of the circuit breaker is installed on the three-phase linkage spring operating mechanism, the three-phase linkage spring operating mechanism comprises a motor energy storage device, the motor energy storage device comprises an energy storage motor 1, the conventional structure of the existing mechanism is adopted, and the application mode of the device lies in that:

the mounting plate 2 is arranged at the position of the energy storage motor 1, an opening of the mounting plate 2 is arranged at the position of a motor shaft 11 of the energy storage motor 1, a handle can penetrate through the opening to be connected with and drive the motor shaft 11, a manual locking mechanism 4 is arranged at the position of the opening, the manual locking mechanism 4 can change positions, namely, the manual locking mechanism 4 can block or avoid the opening, one side of the manual locking mechanism 4 is provided with a travel switch 3, when the manual locking mechanism 4 avoids the opening, the travel switch 3 can be triggered, the contact of the travel switch 3 is changed from the original normally closed point to the normally open point, the whole energy storage motor 1 and the control loop power supply are cut off, and in the process, the two sides of the travel switch 3, which are close to the mounting plate 2 and far away from the mounting plate 2, are both provided with insulating sheets 31 for insulation, and the travel switch 3 can be detachably fixed on the mounting plate 2. Under a normal state, due to the existence of the manual locking mechanism 4, the handle cannot be inserted into the motor shaft 11 from the opening, after the manual locking mechanism 4 is moved, the handle can directly abut against the travel switch 3 to trigger the shutdown, and the handle is safely inserted at the moment and can normally perform manual energy storage operation.

Further, the manual locking mechanism 4 includes a manual locking plate 41, and an elastic member is connected to the manual locking plate 41, and the elastic member can drive the manual locking plate 41 to move from the opening avoiding position to the opening blocking position. The manual switching of two kinds of states is more loaded down with trivial details, consequently resets through the elastic component and can be more high-efficient, and the elastic component generally adopts structures such as spring, torsional spring. Aim at replaces the manpower to switch off the power state to normal electrified state, and this process only need can realize after the handle is extracted with the help of the elastic component to when the handle inserts, can also fix the handle, prevent that it from taking place to break away from in the use.

The manual locking plate 41 is rotatably connected with a rotating seat 47, and the rotating seat 47 is fixedly connected with the mounting plate 2. Rotation and movement are both possible, and rotation is more desirable because the device requires space and cost considerations. The moving mode is generally to set a guide rail, and then the handle locking plate 41 is set on the guide rail capable of moving to switch the position, which is not described in detail because the occupied position is more.

The elastic part is a reset torsion spring 45, one end of the reset torsion spring 45 is abutted against a clamping shaft 44 arranged on the manual locking plate 41, and the other end of the reset torsion spring is abutted against a limiting part 46 arranged on the mounting plate 2. The adoption of a torsion spring during rotation is more convenient. The limiting member 46 is detachably fixed on the mounting plate 2. Is convenient for replacement and changing positions. And the limiting column 42 generally uses a screw, so that the cost is low and the installation and the disassembly are easy.

Further, as shown in fig. 1, the mounting plate 2 is further provided with a limiting post 42, and when the manual locking plate 41 abuts against the limiting post 42, the limiting post is located above the opening to block the opening. After the return torsion spring 45 is installed, the manual locking plate 41 is positioned preferably while completely blocking the opening, so that it is most appropriate to provide the stopper posts 42 at corresponding positions. And the limit post 42 is detachably fixed on the mounting plate 2. Is convenient for replacement and changing positions. And the limiting column 42 is positioned between the opening of the mounting plate 2 and the rotating seat 47, so that the design is more reasonable.

The manual locking plate 41 is provided with a grip 43 away from the plane of the mounting plate 2. The grip 43 facilitates the operator to use the manual locking plate 41. When the handle 43 is used, the handle 43 only needs to be held to rotate, the handle 43 is generally made of rubber pads and convenient to use, and the handle 43 is far away from the rotating seat 47, so that the rotating process is more convenient.

The rotating seat 47 is provided with a latch at one end far away from the manual locking plate 41 to limit the manual locking plate 41. After the rotation connection, the bolt is adopted to fix the locking plate 41 more efficiently and prevent the manual locking plate 41 from being separated from the position. Other similar bolt fixing or bonding modes are also possible, but the bolt disassembling process is more convenient.

When the device is used, the mounting plate 2 is fixed at the position of the energy storage motor 1 of the mechanism aluminum bracket, then the handle 43 fixed on the manual locking plate 41 is held by hands to rotate until the opening of the mounting plate 2 is completely exposed, and the handle can be inserted and connected with the motor shaft 11, at the same time, the manual locking plate 41 just presses the travel switch 3, so that the contact of the travel switch 3 is changed from the original normally closed point to the normally open point, the whole energy storage motor 1 and the control loop power supply are cut off, the travel switch 3 realizes insulation under the action of the insulating sheet 31, and the return torsion spring 45 is in a bending deformation compression state to generate force action, one end of the return torsion spring is blocked by the limiting piece 46, the other end of the return torsion spring is clamped on the clamping shaft 44 of the manual locking plate 41, the handle can be inserted at the moment, and the handle is rotated clockwise to store energy manually by matching with a motor shaft 11 (hexagonal shaft) extending out of the energy storage motor 1. At the moment, the manual locking plate 41 is pressed on the travel switch 3 all the time, the handle rotates and simultaneously blocks the manual locking plate 41 to keep the manual locking plate 41 at the original position, until the energy storage is finished, the handle is pulled out, the manual locking plate 41 returns to the original position under the action of the force of the reset torsion spring 45, is limited and blocked by the limiting column 42 and completely blocks the opening hole.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a novel manual shutting of circuit breaker three-phase linkage spring operating mechanism device, a serial communication port, including mounting panel (2), mounting panel (2) are provided with the trompil, the trompil can hold the handle and pass, trompil department is provided with manual blocked mechanical system (4), manual blocked mechanical system (4) can the translocation, can shelter from promptly the trompil or avoid the trompil, one side of manual blocked mechanical system (4) still is provided with travel switch (3), avoids as manual blocked mechanical system (4) during the trompil, can trigger travel switch (3).

2. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker according to claim 1, wherein the manual locking mechanism (4) comprises a manual locking plate (41), and an elastic member is connected to the manual locking plate (41), and the elastic member can drive the manual locking plate (41) to move from the position avoiding the opening to the position blocking the opening.

3. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker as claimed in claim 2, wherein the manual locking plate (41) is rotatably connected with a rotating seat (47), and the rotating seat (47) is fixedly connected with the mounting plate (2).

4. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker according to claim 3, wherein the elastic member is a return torsion spring (45), one end of the return torsion spring (45) abuts against a clamping shaft (44) arranged on the manual locking plate (41), and the other end of the return torsion spring (45) abuts against a limiting member (46) arranged on the mounting plate (2).

5. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker according to claim 4, wherein the mounting plate (2) is further provided with a limiting column (42), and when the manual locking plate (41) abuts against the limiting column (42), the manual locking device is positioned above the opening to block the opening.

6. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker as claimed in claim 2, wherein the manual locking plate (41) is provided with a handle (43) on a plane far away from the mounting plate (2).

7. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker according to claim 1, wherein the two sides of the travel switch (3) close to the mounting plate (2) and far away from the mounting plate (2) are both provided with insulation sheets (31), and the travel switch (3) is detachably fixed on the mounting plate (2).

8. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker according to claim 4, wherein the limiting member (46) is detachably fixed on the mounting plate (2).

9. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker as claimed in claim 5, wherein the limiting column (42) is located in a region between the opening of the mounting plate (2) and the rotating seat (47).

10. The manual locking device for the three-phase linkage spring operating mechanism of the novel circuit breaker as claimed in claim 3, wherein the rotating seat (47) is provided with a plug pin at one end far away from the manual locking plate (41) to limit the manual locking plate (41).