A spring operating mechanism for outdoor circuit breaker

Abstract

The utility model relates to the technical field of circuit breaker operating mechanisms, and discloses an outdoor circuit breaker spring operating mechanism, including a base frame, support plates are fixedly connected to both sides of the base frame, a motor is fixedly connected to the top of the support plate, a rotating shaft is fixedly connected to the output end of the motor, a stopper is fixedly connected to the top of the rotating shaft, a block is fixedly connected to the top of the base frame, a chassis is plugged into the outer surface of the block, and a protective cover is threadedly connected to the outer surface of the chassis. The utility model has the following advantages and effects: the block is plugged into the chassis so that it will not rotate and fall off. After the staff fixes it, the driving motor controls the rotating shaft to drive the stopper to rotate, thereby strengthening the fixation of the chassis, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, facilitating adjustment, improving the working efficiency of the overall device, saving labor costs and working time, and the staff drives the second motor to control the rotation of the fan blades.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker operating mechanisms, in particular to a spring operating mechanism for an outdoor circuit breaker. Background Art

[0002] With the rapid development of vacuum circuit breakers, higher requirements are put forward for the supporting operating mechanism. The earliest electromagnetic operating mechanism, due to the large power of the closing power supply and the low closing and opening speed of the circuit breaker, has gradually been replaced by the spring operating mechanism with small closing power supply, output characteristics matching the vacuum circuit breaker, and long mechanical life.

[0003] According to Chinese patent publication number CN105304420A, a spring operating mechanism for a circuit breaker is provided, which relates to the technical field of circuit breaker operating mechanisms. The present invention utilizes the cooperation of a cam and an output crank arm to realize the power transmission between the energy storage shaft and the output shaft, utilizes the cooperation of a cam, a driven roller and a closing lever to realize the closing action, and utilizes the cooperation of a primary and secondary opening levers and a brake lever to realize the opening action. The structure is compact, the types of parts are few, the cost is low, and the reliability is high; a through hole for inserting a safety pin is provided on the frame, which improves the safety of the present invention; the present invention also designs a manual opening mechanism to ensure that the opening action can be manually realized when the opening electromagnet fails.

[0004] The above patent has the effect of ensuring that the opening action can be manually achieved when the opening electromagnet fails. However, the spring device is prone to lose its elasticity after long-term use and needs to be replaced. The replacement and installation method of the overall device is not convenient enough, the overall connection is relatively fixed, and the heat generated by excessive use of the spring is prone to spring wear. Utility Model Content

[0005] The utility model aims to provide a spring operating mechanism for an outdoor circuit breaker, which is easy to install and disassemble, strengthens the heat dissipation of the spring, and improves the protectiveness of the overall device.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a spring operating mechanism for an outdoor circuit breaker, comprising a base frame, support plates are fixedly connected to both sides of the base frame, a motor is fixedly connected to the top of the support plate, a rotating shaft is fixedly connected to the output end of the motor, a stopper is fixedly connected to the top of the rotating shaft, a block is fixedly connected to the top of the base frame, a chassis is plugged into the outer surface of the block, a protective cover is threadedly connected to the outer surface of the chassis, an insulating rod is fixedly connected to the top of the protective cover, and a spring is arranged on the outer surface of the insulating rod.

[0007] By adopting the above technical solution, the block is plugged into the chassis to prevent it from rotating and falling off. After the staff fixes it, the driving motor controls the shaft to drive the block to rotate, thereby strengthening the fixation of the chassis, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, facilitating adjustment, improving the work efficiency of the overall device, and saving labor costs and working time.

[0008] The utility model is further configured as follows: a mesh plate is provided at the bottom of the chassis, and a second motor is fixedly connected to the top of the chassis.

[0009] By adopting the above technical solution, the mesh plate facilitates ventilation and enhances protection.

[0010] The utility model is further configured as follows: the output end of the second motor is fixedly connected to the second rotating shaft, and the outer surface of the second rotating shaft is fixedly connected to the fan blades.

[0011] By adopting the above technical solution, the staff drives the second motor to control the rotation of the fan blades.

[0012] The utility model is further configured as follows: an extension tube is fixedly connected to the top of the protective cover, and a cavity is arranged inside the insulating rod.

[0013] By adopting the above technical solution, the extension pipe can easily concentrate the wind force generated by the fan blades.

[0014] The utility model is further configured as follows: the other end of the extension tube is plugged into the inner wall of the cavity, and a row of holes is provided on the outer surface of the insulating rod.

[0015] By adopting the above technical solution, the wind force generated by the fan blades is diffused to the outer surface of the spring through the holes, thereby enhancing the heat dissipation efficiency, improving the working efficiency of the overall device, improving the convenience of the overall device, enhancing the flexibility of the overall device, saving labor costs and working time, and improving the working efficiency of the overall device.

[0016] The utility model is further configured as follows: a groove is provided at the bottom of the stopper.

[0017] By adopting the above technical solution, the groove facilitates the connection and fixation of the second spring.

[0018] The utility model is further configured as follows: a second spring is fixedly connected to the inner wall of the groove.

[0019] By adopting the above technical solution, the second spring is easy to adjust for extension and contraction, thereby improving flexibility.

[0020] The utility model is further configured as follows: the other end of the second spring is fixedly connected to a placement frame.

[0021] By adopting the above technical solution, the placement rack strengthens the connection and fixation of the sliding beads.

[0022] The utility model is further configured as follows: a rubber arc pad is fixedly connected to the bottom of the placement rack.

[0023] By adopting the above technical solution, when the block moves, the rubber arc pad is combined to strengthen the blocking contact with the chassis and enhance the protection.

[0024] The utility model is further configured as follows: a sliding ball is arranged at the bottom of the placement rack.

[0025] By adopting the above technical solution, the sliding ball is used to facilitate sliding adjustment, which improves the flexibility of the block when rotating and moving, makes the overall device easy to install and disassemble, and improves the flexibility of the overall device, facilitates adjustment, improves the working efficiency of the overall device, and saves labor costs and working time.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the coordination arrangement among the base frame, support plate, motor, rotating shaft, block, block, chassis, protective cover, insulating rod and spring, can make the device in use, through the block plugged into the chassis, so that it will not rotate and fall off. After the staff fixes it, the driving motor controls the rotating shaft to drive the block to rotate, thereby strengthening the fixation of the chassis, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, facilitating adjustment, improving the working efficiency of the overall device, saving labor costs and working time. The staff drives the second motor to control the rotation of the fan blades, and the wind force generated by the fan blades is diffused to the outer surface of the spring through the row holes, thereby enhancing its heat dissipation efficiency, improving the working efficiency of the overall device, improving the convenience of the overall device, enhancing the flexibility of the overall device, saving labor costs and working time, and improving the working efficiency of the overall device.

[0028] 2. The utility model, through the coordinated arrangement of the groove, the second spring, the placement frame, the rubber arc pad and the sliding ball, can make the device in use, when the block moves, combined with the rubber arc pad to strengthen the blocking contact with the chassis and enhance protection. The second spring is easy to adjust for telescopic and improve flexibility. The sliding ball is easy to adjust for sliding and improve the flexibility of the block when it rotates and moves, so that the overall device is easy to install and disassemble, and the flexibility of the overall device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the chassis structure of the utility model;

[0032] Figure 3 This is a schematic diagram of the support plate structure of the utility model;

[0033] Figure 4 This is a schematic diagram of the stopper structure of the utility model.

[0034] In the figure, 1, base frame; 2, support plate; 3, motor; 4, rotating shaft; 5, block; 6, block; 7, chassis; 8, protective cover; 9, insulating rod; 10, spring; 11, mesh plate; 12, second motor; 13, second rotating shaft; 14, fan blade; 15, extension tube; 16, cavity; 17, row of holes; 18, groove; 19, second spring; 20, placement rack; 21, rubber arc pad; 22, sliding ball. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-4A spring operating mechanism for an outdoor circuit breaker includes a base frame 1, support plates 2 are fixedly connected to both sides of the base frame 1, a motor 3 is fixedly connected to the top of the support plate 2, a rotating shaft 4 is fixedly connected to the output end of the motor 3, a stopper 5 is fixedly connected to the top of the rotating shaft 4, a block 6 is fixedly connected to the top of the base frame 1, a chassis 7 is plugged into the outer surface of the block 6, a protective cover 8 is threadedly connected to the outer surface of the chassis 7, an insulating rod 9 is fixedly connected to the top of the protective cover 8, a spring 10 is arranged on the outer surface of the insulating rod 9, a mesh plate 11 is arranged at the bottom of the chassis 7, and a spring 10 is arranged on the outer surface of the insulating rod 9. The disk 7 is plugged in so that it will not rotate and fall off. After the staff fixes it, the driving motor 3 controls the rotating shaft 4 to drive the stopper 5 to rotate, thereby strengthening the fixation of the chassis 7, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, which is convenient for adjustment, improves the working efficiency of the overall device, saves labor costs and working time, and the staff drives the second motor 12 to control the rotation of the fan blades, and the wind force generated by the fan blades 14 is diffused to the outer surface of the spring 10 through the row holes 17, thereby enhancing the heat dissipation efficiency, improving the working efficiency of the overall device, and improving the overall The convenience of the device enhances the flexibility of the overall device, saves labor costs and working time, and improves the working efficiency of the overall device. The top of the chassis 7 is fixedly connected to a second motor 12, the output end of the second motor 12 is fixedly connected to a second rotating shaft 13, the outer surface of the second rotating shaft 13 is fixedly connected to a fan blade 14, the top of the protective cover 8 is fixedly connected to an extension tube 15, the interior of the insulating rod 9 is provided with a cavity 16, the other end of the extension tube 15 is plugged into the inner wall of the cavity 16, the outer surface of the insulating rod 9 is provided with a row of holes 17, and the bottom of the stopper 5 is provided with a groove 18. A second spring 19 is fixedly connected to the inner wall of the groove 18, and the other end of the second spring 19 is fixedly connected to a placement rack 20. A rubber arc pad 21 is fixedly connected to the bottom of the placement rack 20. A sliding ball 22 is provided at the bottom of the placement rack 20. When the block 5 moves, the rubber arc pad 21 is combined to strengthen the blocking contact with the chassis 7 and enhance protection. The second spring 19 is convenient for telescopic adjustment and improves flexibility. The sliding ball 22 is convenient for sliding adjustment and improves the flexibility of the block 5 when it rotates and moves, so that the overall device is easy to install and disassemble, and the flexibility of the overall device is improved.

[0037] In the utility model, through the coordinated arrangement among the base frame 1, the support plate 2, the motor 3, the rotating shaft 4, the block 5, the block 6, the chassis 7, the protective cover 8, the insulating rod 9 and the spring 10, the device can be plugged into the chassis 7 through the block 6 when in use, so that it will not rotate and fall off. After the staff fixes it, the driving motor 3 controls the rotating shaft 4 to drive the block 5 to rotate, thereby strengthening the fixation of the chassis 7, making the overall device easy to install and disassemble, and improving the flexibility of the overall device, facilitating adjustment, improving the working efficiency of the overall device, saving labor costs and working time, and the staff drives the second motor 12 to control the rotation of the fan blades, and the wind force generated by the fan blades 14 is diffused to the spring 10 through the row holes 17. The outer surface of the device can enhance its heat dissipation efficiency, improve the working efficiency of the overall device, improve the convenience of the overall device, enhance the flexibility of the overall device, save labor costs and working time, and improve the working efficiency of the overall device. Through the coordinated arrangement between the groove 18, the second spring 19, the placement rack 20, the rubber arc pad 21 and the sliding ball 22, when the device is in use, when the block 5 moves, the rubber arc pad 21 can be combined to strengthen the blocking contact with the chassis 7 and enhance protection. The second spring 19 is convenient for telescopic adjustment and improves flexibility. The sliding ball 22 is convenient for sliding adjustment, which improves the flexibility of the block 5 when it rotates and moves, making the overall device easy to install and disassemble, and improving the flexibility of the overall device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring operating mechanism for an outdoor circuit breaker, comprising a base frame (1), characterized in that: Support plates (2) are fixedly connected to both sides of the base frame (1), a motor (3) is fixedly connected to the top of the support plate (2), a rotating shaft (4) is fixedly connected to the output end of the motor (3), a stopper (5) is fixedly connected to the top of the rotating shaft (4), a block (6) is fixedly connected to the top of the base frame (1), a chassis (7) is inserted into the outer surface of the block (6), a protective cover (8) is threadedly connected to the outer surface of the chassis (7), an insulating rod (9) is fixedly connected to the top of the protective cover (8), and a spring (10) is provided on the outer surface of the insulating rod (9).

2. The spring operating mechanism of an outdoor circuit breaker according to claim 1, characterized in that: A mesh plate (11) is provided at the bottom of the chassis (7), and a second motor (12) is fixedly connected to the top of the chassis (7).

3. The spring operating mechanism of an outdoor circuit breaker according to claim 2, characterized in that: The output end of the second motor (12) is fixedly connected to a second rotating shaft (13), and the outer surface of the second rotating shaft (13) is fixedly connected to a fan blade (14).

4. The spring operating mechanism of an outdoor circuit breaker according to claim 1, characterized in that: The top of the protective cover (8) is fixedly connected with an extension tube (15), and a cavity (16) is provided inside the insulating rod (9).

5. The spring operating mechanism of an outdoor circuit breaker according to claim 4, characterized in that: The other end of the extension tube (15) is plugged into the inner wall of the cavity (16), and a row of holes (17) are provided on the outer surface of the insulating rod (9).

6. The spring operating mechanism of an outdoor circuit breaker according to claim 1, characterized in that: A groove (18) is formed at the bottom of the stopper (5).

7. The spring operating mechanism of an outdoor circuit breaker according to claim 6, characterized in that: A second spring (19) is fixedly connected to the inner wall of the groove (18).

8. The spring operating mechanism of an outdoor circuit breaker according to claim 7, characterized in that: The other end of the second spring (19) is fixedly connected to a placement frame (20).

9. The spring operating mechanism of an outdoor circuit breaker according to claim 8, characterized in that: A rubber arc pad (21) is fixedly connected to the bottom of the placement rack (20).

10. The spring operating mechanism of an outdoor circuit breaker according to claim 9, characterized in that: A sliding ball (22) is provided at the bottom of the placement rack (20).

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