Opening and closing mechanism for circuit breaker test equipment
By designing an automated closing mechanism, using the worm and worm gear lifting structure and sliding motor, the automatic closing operation of the circuit breaker test equipment is realized, solving the problem of low manual operation efficiency and improving the testing efficiency.
Patent Information
- Application Number
- CN202422239185.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-12
AI Technical Summary
Existing circuit breaker testing equipment requires manual operation during the performance test of the opening and closing, which leads to difficulty in automated control and reduces the testing efficiency.
A closing mechanism including a lifting module, a left and right sliding module and a front and rear sliding module is designed. The automatic closing and closing action of the circuit breaker handle is realized through the reciprocating rocker module. The worm and worm gear lifting structure and bevel gear reversing are used, and the sliding motor and lead screw structure are combined to realize the precise position adjustment and automatic operation of the circuit breaker handle.
The automatic closing and closing operation of the circuit breaker test equipment is realized, which improves the testing efficiency and reduces the need for manual operation.
Smart Images
Figure CN223155840U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit breaker testing equipment, and particularly relates to a closing and opening mechanism for a circuit breaker testing equipment. Background Art
[0002] When the existing circuit breaker testing equipment tests the closing and opening performance of a circuit breaker, it usually requires manual force on the handle to achieve the lever-pulling action, so as to complete the closing and opening actions. However, the above manual operation method is not conducive to the automatic control and use of the circuit breaker testing equipment, and at the same time reduces the testing efficiency. Content of the Utility Model
[0003] The purpose of the utility model is to provide a closing and opening mechanism for a circuit breaker testing equipment. Through the intermittent reciprocating positive and negative actions of the reciprocating crank module, the handle of the circuit breaker is driven to continuously perform closing and opening actions, thereby realizing the automatic closing and opening actions, replacing the manual closing and opening method, and improving the testing efficiency.
[0004] To solve the above technical problems, the utility model provides a closing and opening mechanism for a circuit breaker testing equipment, including: a lifting module installed on a frame; a left-right sliding module is installed at the driving end of the lifting module, a front-back sliding module is installed at the driving end of the left-right sliding module, a reciprocating crank module is installed at the driving end of the front-back sliding module, and the driving end of the reciprocating crank module drives the handle of the circuit breaker to perform intermittent closing and opening actions;
[0005] Wherein the reciprocating crank module includes: a reciprocating motor, an L-shaped crankshaft and an L-shaped clamping shaft; the output end of the reciprocating motor is provided with the L-shaped crankshaft, and the L-shaped clamping shaft is locked and sleeved on the L-shaped crankshaft, so that a cavity is formed between the L-shaped crankshaft and the L-shaped clamping shaft for clamping and limiting the handle of the circuit breaker.
[0006] Preferably, the lifting module is a worm and worm gear lifting structure, including: a lifting motor, a three-axis coupling one, a three-axis coupling two, a worm and worm gear box and a lifting lead screw; the output end of the lifting motor is connected to the input end of the three-axis coupling one, the two output ends of the three-axis coupling one are connected to the input end of the three-axis coupling two through a transmission shaft, the two output ends of the three-axis coupling two are connected to the worm input end of the worm and worm gear box through a transmission shaft, the worm gear output end of the worm and worm gear box is vertically provided with the lifting lead screw, and the threaded end of the lifting lead screw is threadedly sleeved with a lifting plate.
[0007] Preferably, the worm and worm gear box is arranged at the four corners of the top of the frame, and the three-axis coupling one and the three-axis coupling two are internally commutated through three mutually meshing bevel gears.
[0008] Preferably, the three meshing bevel gears include: a main bevel gear and driven bevel gears; the driven bevel gears are meshed with both sides of the main bevel gear, so that the outer shaft end of the main bevel gear serves as the input end, and the outer shaft ends of the two driven bevel gears serve as the output ends.
[0009] Preferably, the left - right sliding module and the front - back sliding module have the same structure. The left - right sliding module includes: a sliding motor, a sliding lead screw, a nut seat, and a slide rail; the output end of the sliding motor is provided with the sliding lead screw, the threaded end of the sliding lead screw is sleeved with the nut seat, the front - back sliding module is installed on the nut seat, and the bottom of the front - back sliding module is slidably connected to the slide rail.
[0010] Compared with the prior art, the present utility model has the following beneficial effects:
[0011] When the opening - closing mechanism of the present utility model is in use, the position of the reciprocating crank module can be adjusted up and down by controlling the lifting module to act, the position of the reciprocating crank module can be adjusted left and right by controlling the left - right sliding module to act, and the position of the reciprocating crank module can be adjusted back and forth by controlling the front - back sliding module to act. After the reciprocating crank module can successfully engage and limit the handle of the driving circuit breaker, through the intermittent reciprocating positive and negative actions of the reciprocating crank module, the handle of the circuit breaker is driven to continuously perform opening and closing actions, thereby realizing automatic opening and closing actions and replacing the manual opening and closing method. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is the front - view structural diagram of an opening - closing mechanism for a circuit - breaker testing device of the present utility model.
[0013] Figure 2 is the rear - view structural diagram of an opening - closing mechanism for a circuit - breaker testing device of the present utility model.
[0014] Figure 3 is the bottom - view structural diagram of an opening - closing mechanism for a circuit - breaker testing device of the present utility model.
[0015] Figure 4 is the structural diagram of the left - right sliding module in the present utility model.
[0016] In the figure: 1 - lifting module, 11 - lifting motor, 12 - three - axis coupling one, 13 - three - axis coupling two, 14 - worm and worm - wheel box, 15 - lifting lead screw, 16 - lifting plate, 2 - left - right sliding module, 21 - sliding motor, 22 - sliding lead screw, 23 - nut seat, 24 - slide rail, 3 - front - back sliding module, 4 - reciprocating crank module, 41 - reciprocating motor, 42 - L - shaped crankshaft, 43 - L - shaped clamping shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The following further describes the present utility model in detail in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise scales, only for the purpose of conveniently and clearly assisting in explaining the embodiments of the present utility model.
[0018] As Figures 1 to 4 shown, the embodiment of the present utility model provides a closing and opening mechanism for a circuit breaker testing device, including: a lifting module 1 installed on a frame; a left-right sliding module 2 is installed at the driving end of the lifting module 1, a front-back sliding module 3 is installed at the driving end of the left-right sliding module 2, and a reciprocating crank module 4 is installed at the driving end of the front-back sliding module 3. The driving end of the reciprocating crank module 4 drives the handle of the circuit breaker to perform intermittent closing and opening actions. When the above-mentioned closing and opening mechanism is in use, the lifting module 1 can be controlled to move to adjust the position of the reciprocating crank module 4 up and down, the left-right sliding module 2 can be controlled to move to adjust the position of the reciprocating crank module 4 left and right, and the front-back sliding module 3 can be controlled to move to adjust the position of the reciprocating crank module 4 back and forth, so that the reciprocating crank module 4 can smoothly engage and limit the handle of the driving circuit breaker. Then, through the intermittent reciprocating forward and reverse actions of the reciprocating crank module 4, the handle of the circuit breaker is driven to continuously perform closing and opening actions, thus realizing automatic closing and opening actions and replacing the manual closing and opening method.
[0019] Among them, the reciprocating crank module 4 includes: a reciprocating motor 41, an L-shaped crankshaft 42, and an L-shaped clamping shaft 43; an L-shaped crankshaft 42 is provided at the output end of the reciprocating motor 41, and an L-shaped clamping shaft 43 is locked and sleeved on the L-shaped crankshaft 42, so that a cavity is formed between the L-shaped crankshaft 42 and the L-shaped clamping shaft 43 for engaging and limiting the handle of the circuit breaker. When the above-mentioned reciprocating crank module 4 is in use, the reciprocating motor 41 can be controlled to move, driving the L-shaped crankshaft 42 and the L-shaped clamping shaft 43 to deflect, so as to drive the handle of the circuit breaker to continuously perform up and down closing and opening actions.
[0020] The lifting module 1 is a worm and worm gear lifting structure, including: a lifting motor 11, a three-axis coupling one 12, a three-axis coupling two 13, a worm and worm gear box 14, and a lifting lead screw 15; the output end of the lifting motor 11 is connected to the input end of the three-axis coupling one 12, the two output ends of the three-axis coupling one 12 are connected to the input end of the three-axis coupling two 13 through a transmission shaft, the two output ends of the three-axis coupling two 13 are connected to the worm input end of the worm and worm gear box 14 through a transmission shaft, the worm gear output end of the worm and worm gear box 14 is vertically installed with a lifting lead screw 15, and a lifting plate 16 is threadedly sleeved on the threaded end of the lifting lead screw 15. When the above-mentioned lifting module 1 is used, the lifting motor 11 can be controlled to act, and through the power transmission of the three-axis coupling one 12, the three-axis coupling two 13, and the worm and worm gear box 14, the lifting lead screw 15 is driven to rotate, so as to realize the adjustment of the up and down position of the reciprocating crank module 4.
[0021] The worm and worm gear box 14 is arranged at the four corners of the top of the frame, and the three-axis coupling one 12 and the three-axis coupling two 13 are internally commutated by three mutually meshing bevel gears, and the three mutually meshing bevel gears are distributed in a triangular shape.
[0022] The three mutually meshing bevel gears include: a main bevel gear and a slave bevel gear; the main bevel gear is meshed with the slave bevel gears on both sides, so that the outer shaft end of the main bevel gear is used as the input end, and the outer shaft ends of the two slave bevel gears are used as the output ends. Through the combined use of the above-mentioned three-axis coupling one 12 and the three-axis coupling two 13, the power transmission of four worm and worm gear boxes 14 can be driven by using one lifting motor 11, saving the number of lifting motors 11 used and the design cost.
[0023] The left and right sliding module 2 and the front and back sliding module 3 have the same structure. The left and right sliding module 2 includes: a sliding motor 21, a sliding lead screw 22, a nut seat 23, and a slide rail 24; the output end of the sliding motor 21 is provided with a sliding lead screw 22, a nut seat 23 is sleeved on the threaded end of the sliding lead screw 22, the front and back sliding module 3 is installed on the nut seat 23, and the bottom of the front and back sliding module 3 is slidably connected to the slide rail 24, and the slide rail 24 is installed on the lifting plate 16. When the above-mentioned left and right sliding module 2 is used, the sliding motor 21 can be controlled to act, driving the sliding lead screw 22 to rotate, so as to realize the adjustment of the left and right position of the reciprocating crank module 4; similarly, the front and back sliding module 3 can realize the adjustment of the front and back position of the reciprocating crank module 4.
[0024] The above description is only a description of the preferred embodiment of the present invention, and does not limit the scope of the present invention in any way. Any changes and modifications made by those of ordinary skill in the art of the present invention according to the above disclosure are within the protection scope of the claims.
Claims
1. A closing and opening mechanism for a circuit breaker testing device, characterized in that, Comprising: A lifting module (1), installed on a frame; a left - right sliding module (2) is installed at the driving end of the lifting module (1), a front - back sliding module (3) is installed at the driving end of the left - right sliding module (2), a reciprocating rocker module (4) is installed at the driving end of the front - back sliding module (3), and the driving end of the reciprocating rocker module (4) drives the handle of a circuit breaker to perform intermittent opening and closing actions. Wherein the reciprocating rocker module (4) includes: a reciprocating motor (41), an L - shaped crankshaft (42) and an L - shaped clamping shaft (43); the output end of the reciprocating motor (41) is provided with the L - shaped crankshaft (42), and the L - shaped clamping shaft (43) is sleeved and locked on the L - shaped crankshaft (42), so that a cavity is formed between the L - shaped crankshaft (42) and the L - shaped clamping shaft (43) for clamping and limiting the handle of the circuit breaker.
2. The opening and closing mechanism for a circuit breaker testing device according to claim 1, characterized in that, The lifting module (1) is a worm - and - wormwheel lifting structure, including: a lifting motor (11), a three - axis coupling one (12), a three - axis coupling two (13), a worm - and - wormwheel box (14) and a lifting lead screw (15); the output end of the lifting motor (11) is connected to the input end of the three - axis coupling one (12), the two output ends of the three - axis coupling one (12) are connected to the input ends of the three - axis coupling two (13) through transmission shafts, the two output ends of the three - axis coupling two (13) are connected to the worm input end of the worm - and - wormwheel box (14) through transmission shafts, the worm - and - wormwheel box (14) has a wormwheel output end vertically installed with the lifting lead screw (15), and a lifting plate (16) is thread - sleeved on the threaded end of the lifting lead screw (15).
3. The opening and closing mechanism for a circuit breaker testing device according to claim 2, characterized in that, The worm - and - wormwheel box (14) is arranged at the four corners of the top of the frame, and the three mutually - meshing bevel gears are used for commutation inside the three - axis coupling one (12) and the three - axis coupling two (13).
4. The opening and closing mechanism for a circuit breaker testing device according to claim 3, characterized in that, The three mutually - meshing bevel gears include: a main bevel gear and slave bevel gears; both sides of the main bevel gear are meshed with the slave bevel gears, so that the outer shaft end of the main bevel gear is used as the input end, and the outer shaft ends of the two slave bevel gears are used as the output ends.
5. The opening and closing mechanism for a circuit breaker testing device according to claim 1, characterized in that, The left - right sliding module (2) and the front - back sliding module (3) have the same structure. The left - right sliding module (2) includes: a sliding motor (21), a sliding lead screw (22), a nut seat (23) and a slide rail (24); the output end of the sliding motor (21) is provided with the sliding lead screw (22), the nut seat (23) is sleeved on the threaded end of the sliding lead screw (22), the front - back sliding module (3) is installed on the nut seat (23), and the bottom of the front - back sliding module (3) is slidably connected to the slide rail (24).