CN213988725U - Miniaturized vacuum circuit breaker operating device - Google Patents
Miniaturized vacuum circuit breaker operating device Download PDFInfo
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- CN213988725U CN213988725U CN202022574249.7U CN202022574249U CN213988725U CN 213988725 U CN213988725 U CN 213988725U CN 202022574249 U CN202022574249 U CN 202022574249U CN 213988725 U CN213988725 U CN 213988725U
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- clutch
- circuit breaker
- movable block
- energy storage
- chain wheel
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a miniaturized vacuum circuit breaker operating device, including the sprocket dish, the clutch, the energy storage axle, turning arm and spring assembly, the sprocket dish passes through one-way bearing and connects power unit, clutch and sprocket dish parallel arrangement, be equipped with the cylindric lock towards the clutch on the sprocket dish, be equipped with the movable block that corresponds with the cylindric lock on the clutch, when the sprocket dish rotates, support the movable block through the cylindric lock, and then drive clutch together and rotate, the clutch is established on the energy storage axle through key-type connection mode cover, be used for driving the energy storage axle and rotate, the one end of turning arm is connected to the front end of energy storage axle, the one end at spring assembly is connected to the other end of turning arm, spring assembly's other end rigidity, it is tensile to drive spring assembly through the turning arm, and when spring assembly stretches to the maximum deformation position, the cylindric lock breaks away from with the movable block. The operating mechanism has the advantages of compact structure, good performance and convenient installation, can stably realize the opening and closing operation of the circuit breaker, and is a good choice for the miniaturized circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker equipment field, concretely relates to miniaturized vacuum circuit breaker operating device.
Background
Along with the process of city is constantly accelerated, the demand of miniaturized circuit breaker constantly improves, and energy storage, the combined floodgate function of circuit breaker are one of the key factors that restrict the miniaturization of circuit breaker again, and how to guarantee the stability of circuit breaker divide-shut brake operation is the key problem that needs continuous research.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniaturized vacuum circuit breaker operating device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a miniaturized vacuum circuit breaker operating mechanism comprises a chain wheel disc, a clutch, an energy storage shaft, a crank arm and a spring assembly, wherein the chain wheel disc is connected with a power mechanism through a one-way bearing and used for driving the chain wheel disc to rotate in one direction, the clutch and the chain wheel disc are arranged in parallel, the chain wheel disc is provided with a cylindrical pin facing the clutch, the clutch is provided with a movable block corresponding to the cylindrical pin, when the chain wheel disc rotates, the chain wheel disc supports against the movable block through the cylindrical pin and further drives the clutch to rotate together, the clutch is sleeved on the energy storage shaft in a key connection mode and used for driving the energy storage shaft to rotate, the front end of the energy storage shaft is connected with one end of the crank arm, the rear end of the energy storage shaft is fixed with a cam used for driving a circuit breaker to open and close, the other end of the crank arm is connected with one end of the spring assembly, and the other end of the spring assembly is fixed in position, the crank arm drives the spring assembly to stretch, and when the spring assembly stretches to the maximum deformation position, the cylindrical pin is separated from the movable block.
Preferably, for miniaturized vacuum circuit breaker operating device, be equipped with the orientation in operating device's the frame the spacing pin of movable block, the movable block orientation the one side fillet of spacing pin, the movable block is in the cylindric lock promotes down the motion, extremely spacing pin department, spacing pin moves back the movable block is followed the axial displacement of energy storage axle makes the movable block breaks away from with the cylindric lock
Preferably, for miniaturized vacuum circuit breaker operating device, power unit includes motor element, little sprocket and chain, little sprocket passes through the key-type connection mode and fixes on motor element's the output shaft, little sprocket passes through the chain is connected the sprocket dish is used for driving the sprocket dish rotates.
Preferably, for the operation mechanism of the miniaturized vacuum circuit breaker, the motor assembly is provided with a worm gear assembly, and the worm gear assembly is connected with an output shaft of the motor assembly through a one-way bearing.
Preferably, for the operating mechanism of the miniaturized vacuum circuit breaker, the spring assembly comprises a switch-on spring, a pin shaft, a pull rod, a threaded pin, a tension spring, a mounting plate and two semi-waist-shaped hanging plates, the two semi-waist-shaped hanging plates are oppositely arranged, a round hole is formed at one end facing each other, a first mounting hole for fixing the crank arm is formed in one of the semi-waist-shaped hanging plates, a second mounting hole for fixing the position of the other semi-waist-shaped hanging plate is formed in the other semi-waist-shaped hanging plate, the switch-on spring is connected between the two semi-waist-shaped hanging plates through the round hole, the pull rod is fixed on the semi-waist-shaped hanging plate with the first mounting hole through the pin shaft, the mounting plate is fixed on the pull rod, the threaded pin is screwed on the mounting plate, a hanging hole is formed in the mounting plate, one end of the tension spring is fixed on the semi-waist-shaped hanging plate with the second mounting hole, the other end is provided with a hook which is hung in a hanging hole on the threaded pin.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a miniaturized vacuum circuit breaker operating device, it drives the movable block on the clutch through the cylindric lock on the sprocket dish, make clutch and sprocket dish rotate in step, the clutch drives the energy storage axle simultaneously and rotates, the rotatory drawing of realization to spring assembly through the connecting lever of energy storage axle front end, when spring assembly stretches to the maximum deformation position, the cylindric lock just breaks away from with the movable block, energy storage axle stall, make spring assembly keep at the maximum deformation position, when needs carry out the divide-shut brake operation to the circuit breaker, release spring assembly's energy storage, can drive the instantaneous high-speed rotation of energy storage axle, the epaxial cam of energy storage obtains very big potential energy, strike the divide-shut brake switch of circuit breaker, realize stable divide-shut brake operation. The operating mechanism has the advantages of compact structure, good performance and convenient installation, can stably realize the opening and closing operation of the circuit breaker, and is a good choice for the miniaturized circuit breaker.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a spring assembly according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a miniaturized vacuum circuit breaker operating mechanism comprises a chain wheel disc 4, a clutch 5, an energy storage shaft 6, a crank arm 7 and a spring assembly 8, wherein the chain wheel disc 4 is connected with a power mechanism through a one-way bearing and used for driving the chain wheel disc to rotate in one way, the clutch 5 and the chain wheel disc 4 are arranged in parallel, a cylindrical pin facing the clutch 5 is arranged on the chain wheel disc 4, a movable block corresponding to the cylindrical pin is arranged on the clutch 5, when the chain wheel disc 4 rotates, the movable block is abutted through the cylindrical pin and then the clutch 5 is driven to rotate together, the clutch 5 is sleeved on the energy storage shaft 6 through a key connection mode and used for driving the energy storage shaft 6 to rotate, the front end of the energy storage shaft 6 is connected with one end of the crank arm 7, a cam used for driving a circuit breaker to be switched on and off is fixed at the rear end of the crank arm 7, and the other end of the crank arm 7 is connected with one end of the spring assembly 8, the other end of the spring assembly 8 is fixed, the spring assembly 8 is driven to stretch by the crank arm 7, and the cylindrical pin is separated from the movable block when the spring assembly 8 stretches to the maximum deformation position.
This operating device passes through the movable block on the cylindric lock drive clutch on the sprocket dish, make clutch and sprocket dish synchronous rotation, the clutch drives the energy storage axle simultaneously and rotates, the rotatory extension of realization to spring unit through the turning arm of energy storage axle front end, when spring unit stretches to the maximum deformation position, the cylindric lock just breaks away from with the movable block, the energy storage axle stall, make spring unit keep in the maximum deformation position, when needs carry out the divide-shut brake operation to the circuit breaker, release spring unit's energy storage, can drive the instantaneous high-speed rotation of energy storage axle, the epaxial cam of energy storage obtains very big potential energy, strike the divide-shut brake switch of circuit breaker, realize stable divide-shut brake operation.
In another embodiment, a limit pin facing the movable block is arranged on a frame of the operating mechanism, one surface of the movable block facing the limit pin is rounded, the movable block moves under the pushing of the cylindrical pin to the limit pin, the limit pin moves the movable block along the axial direction of the energy storage shaft, and the movable block is separated from the cylindrical pin
In another embodiment, the power mechanism comprises a motor assembly 1, a small chain wheel 2 and a chain 3, the small chain wheel 2 is fixed on an output shaft of the motor assembly 1 in a key connection mode, and the small chain wheel 2 is connected with the chain wheel disc 4 through the chain 3 and used for driving the chain wheel disc 4 to rotate.
In another embodiment, the motor assembly 1 is provided with a worm gear assembly, and the worm gear assembly is connected with an output shaft of the motor assembly 1 by adopting a one-way bearing.
In another embodiment, the spring assembly 8 is composed of a closing spring 82, a pin shaft 83, a pull rod 84, a threaded pin 86, a tension spring 87, a mounting plate 85 and two semi-waist-shaped hanging plates 81, the two semi-waist-shaped hanging plates 81 are oppositely arranged, and a circular hole is formed at one end facing each other, a first mounting hole for fixing the crank arm 7 is formed in one of the semi-waist-shaped hanging plates 81, a second mounting hole for fixing the position of the other semi-waist-shaped hanging plate 81 is formed in the other semi-waist-shaped hanging plate 81, the closing spring 82 is connected between the two semi-waist-shaped hanging plates 81 through the circular hole, the pull rod 84 is fixed on the semi-waist-shaped hanging plate 81 with the first mounting hole through the pin shaft 83, the mounting plate 85 is fixed on the pull rod 84, the threaded pin 86 is screwed on the mounting plate 85, a hanging hole is formed in the mounting plate 85, one end of the tension spring 87 is fixed on the semi-waist-shaped hanging plate 81 with the second mounting hole, the other end is provided with a hook which is hung in a hanging hole on the threaded pin 86. In such an embodiment, the spring assembly may provide a greater stored energy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A miniaturized vacuum circuit breaker operating mechanism comprises a chain wheel disc, a clutch, an energy storage shaft, a crank arm and a spring assembly, and is characterized in that the chain wheel disc is connected with a power mechanism through a one-way bearing and used for driving the chain wheel disc to rotate in one direction, the clutch and the chain wheel disc are arranged in parallel, a cylindrical pin facing the clutch is arranged on the chain wheel disc, a movable block corresponding to the cylindrical pin is arranged on the clutch, when the chain wheel disc rotates, the movable block is abutted through the cylindrical pin and further drives the clutch to rotate together, the clutch is sleeved on the energy storage shaft in a key connection mode and used for driving the energy storage shaft to rotate, the front end of the energy storage shaft is connected with one end of the crank arm, the rear end of the energy storage shaft is fixed with a cam used for driving a circuit breaker to be switched on and off, and the other end of the crank arm is connected with one end of the spring assembly, the other end of the spring assembly is fixed in position, the spring assembly is driven to stretch by the crank arm, and the cylindrical pin is separated from the movable block when the spring assembly is stretched to the maximum deformation position.
2. The operating mechanism of the miniature vacuum circuit breaker according to claim 1, wherein a limit pin facing the movable block is arranged on a frame of the operating mechanism, one side of the movable block facing the limit pin is rounded, the movable block moves under the pushing of the cylindrical pin to the limit pin, and the limit pin retreats the movable block to move along the axial direction of the energy storage shaft, so that the movable block is separated from the cylindrical pin.
3. The operating mechanism of a miniature vacuum circuit breaker as claimed in claim 1, wherein said power mechanism comprises a motor assembly, a small chain wheel and a chain, said small chain wheel is fixed on the output shaft of said motor assembly by means of key connection, and said small chain wheel is connected with said chain wheel disk by means of said chain for driving said chain wheel disk to rotate.
4. The operating mechanism of the miniaturized vacuum circuit breaker according to claim 3, wherein the motor assembly is provided with a worm gear assembly, and the worm gear assembly is connected with an output shaft of the motor assembly by a one-way bearing.
5. The operating mechanism of a miniature vacuum circuit breaker according to claim 1, wherein the spring assembly comprises a closing spring, a pin shaft, a pull rod, a threaded pin, a tension spring, a mounting plate and two semi-waist-shaped hanging plates, the two semi-waist-shaped hanging plates are oppositely arranged, and a round hole is formed at one end of each semi-waist-shaped hanging plate facing each other, a first mounting hole for fixing the crank arm is formed on one of the semi-waist-shaped hanging plates, a second mounting hole for fixing the crank arm is formed on the other semi-waist-shaped hanging plate, the closing spring is connected between the two semi-waist-shaped hanging plates through the round hole, the pull rod is fixed on the semi-waist-shaped hanging plate with the first mounting hole through the pin shaft, the mounting plate is fixed on the pull rod, the threaded pin is screwed on the mounting plate, a hanging hole is formed in the mounting plate, one end of the tension spring is fixed on the semi-waist-shaped hanging plate with the second mounting hole, the other end is provided with a hook which is hung in a hanging hole on the threaded pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574249.7U CN213988725U (en) | 2020-11-10 | 2020-11-10 | Miniaturized vacuum circuit breaker operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574249.7U CN213988725U (en) | 2020-11-10 | 2020-11-10 | Miniaturized vacuum circuit breaker operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988725U true CN213988725U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022574249.7U Active CN213988725U (en) | 2020-11-10 | 2020-11-10 | Miniaturized vacuum circuit breaker operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213988725U (en) |
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2020
- 2020-11-10 CN CN202022574249.7U patent/CN213988725U/en active Active
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