CN210429654U - Circuit breaker transmission mechanism - Google Patents
Circuit breaker transmission mechanism Download PDFInfo
- Publication number
- CN210429654U CN210429654U CN201921653907.2U CN201921653907U CN210429654U CN 210429654 U CN210429654 U CN 210429654U CN 201921653907 U CN201921653907 U CN 201921653907U CN 210429654 U CN210429654 U CN 210429654U
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- CN
- China
- Prior art keywords
- connecting rod
- moving contact
- circuit breaker
- driving shaft
- drive shaft
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model belongs to the technical field of the circuit breaker, a circuit breaker drive mechanism is related to, including the connecting rod, the moving contact in drive shaft and the vacuum arc extinguishing chamber is connected respectively at the connecting rod both ends, and the rotatable connection of connecting rod is in the frame, and drive shaft and moving contact set up the left and right sides in the frame respectively, and connecting rod one end is passed through the turning arm and is connected with the drive shaft, still is equipped with the pull rod between turning arm and the connecting rod, the connecting rod other end passes through the connecting piece and is connected with the moving contact, and the drive. The utility model discloses a rotatable connection of connecting rod constitutes the control lever in the frame, and the connecting rod horizontal arrangement can reduce the whole volume of equipment, and when connecting rod one end moves down under the effect of drive shaft, the other end of connecting rod then drives the moving contact and moves up, realizes closing a floodgate; when one end of the connecting rod moves upwards under the action of the driving shaft, the other end of the connecting rod drives the moving contact to move downwards, so that the brake is separated, and the device has the advantages of simple structure, convenience and quickness in transmission and the like.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to circuit breaker drive mechanism.
Background
Be equipped with moving contact and static contact in the vacuum interrupter of circuit breaker, reciprocate through the moving contact and contact or the separation with the static contact, thereby realize the intercommunication or the disconnection of circuit, current moving contact is generally by insulating pull rod drive, insulating pull rod vertical motion drive moving contact, insulating pull rod stroke is great, control accuracy is lower, and when circuit breaker operating device moves the moving contact, the vertical up-and-down motion of insulating pull rod, main body frame not only will bear the gravity of insulating pull rod, still bear the stress when insulating pull rod moves, main body frame yielding, in addition, current moving contact drive mechanism still exists the structure complicacy, the operation degree of difficulty is big, the unsatisfactory scheduling problem of effect, need design a neotype drive mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the transmission structure that exists among the prior art complicacy, the operation degree of difficulty is big, and the unsatisfactory scheduling problem of effect provides a simple structure, transmission convenient and fast, control accuracy is high, effectual circuit breaker drive mechanism.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a circuit breaker drive mechanism, includes the connecting rod, and the moving contact in drive shaft and the vacuum interrupter chamber is connected respectively at the connecting rod both ends, the rotatable connection of connecting rod is in the frame, drive shaft and moving contact set up the left and right sides in the frame respectively, connecting rod one end is passed through the turning arm and is connected with the drive shaft, still be equipped with the pull rod between turning arm and the connecting rod, the connecting rod other end passes through the connecting piece and is connected with the moving contact, the drive shaft passes through the connecting rod drive the moving contact up-.
Preferably, the driving shaft and the movable contact are arranged on the same side of the connecting rod.
Preferably, the crank arm is hinged to the drive shaft.
Preferably, two ends of the pull rod are respectively connected with the crank arm and the connecting rod in a rotating mode.
Preferably, the connecting member is rotatably connected to the connecting rod.
Preferably, the connecting member is rigidly connected to the movable contact.
Preferably, when one end of the connecting rod connected with the driving shaft moves upwards under the action of the driving shaft, the other end of the connecting rod drives the moving contact to move downwards; when one end of the connecting rod connected with the driving shaft moves downwards, the other end of the connecting rod drives the moving contact to move upwards.
After the technical scheme is adopted, the utility model provides a pair of circuit breaker drive mechanism has following beneficial effect:
the utility model discloses a rotatable connection of connecting rod constitutes the control lever in the frame, and the connecting rod horizontal arrangement can reduce the whole volume of equipment, and when connecting rod one end moves down under the effect of drive shaft, the other end of connecting rod then drives the moving contact and moves up, realizes closing a floodgate; when one end of the connecting rod moves upwards under the action of the driving shaft, the other end of the connecting rod drives the moving contact to move downwards, so that the brake is separated; the moving contact can move up and down through the forward or reverse rotation of the driving shaft, the driving shaft can control the opening and closing of the moving contact only by rotating a small angle, and high control precision can be obtained; to sum up, the utility model discloses not only have simple structure, transmission convenient and fast's advantage, can guarantee control accuracy and effect moreover, have very big market value, be worth extensively popularizing and applying.
Drawings
Fig. 1 is the utility model relates to a circuit breaker drive mechanism's schematic structure diagram.
Wherein: the device comprises a connecting rod 1, a driving shaft 2, a vacuum arc-extinguishing chamber 3, a frame 4, a crank arm 5, a pull rod 6 and a connecting piece 7.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the utility model provides a pair of circuit breaker transmission mechanism, including connecting rod 1, the moving contact in drive shaft 2 and the vacuum interrupter 3 is connected respectively at connecting rod 1 both ends.
Specifically, connecting rod 1 level sets up, compares with the insulating pull rod of perpendicular setting among the prior art, has the advantage that can reduce the whole volume of equipment, and connecting rod 1 is rotatable to be connected in frame 4, and drive shaft 2 and moving contact set up respectively in the left and right sides of frame 4, and is further, drive shaft 2 and moving contact setting are in same one side of connecting rod 1, and drive shaft 2 and moving contact all set up the top at connecting rod 1 promptly.
Connecting rod 1 one end is passed through the connecting lever 5 and is connected with drive shaft 2, still is equipped with pull rod 6 between connecting lever 5 and the connecting rod 1, and is specific, and connecting lever 5 articulates on drive shaft 2, and 6 both ends of pull rod rotate with connecting lever 5 and connecting rod 1 respectively and are connected.
The other end of the connecting rod 1 is connected with the moving contact through a connecting piece 7, specifically, the connecting piece 7 is rotatably connected with the connecting rod 1, and the connecting piece 7 is rigidly connected with the moving contact.
The driving shaft 2 drives the moving contact to move up and down through the connecting rod 1, specifically, when one end of the connecting rod 1 connected with the driving shaft 2 moves up under the action of the driving shaft 2, the other end of the connecting rod 1 drives the moving contact to move down; when one end of the connecting rod 1 connected with the driving shaft 2 moves downwards, the other end of the connecting rod 1 drives the moving contact to move upwards.
It should be noted that the driving shaft 2 can drive the plurality of connecting rods 1 at the same time, that is, can drive the plurality of moving contacts to move up and down at the same time, and the specific number can be adjusted as required, which is not limited specifically herein.
Specifically, the circuit breaker can set up a plurality of vacuum interrupter 3 as required, and every vacuum interrupter 3 all corresponds a connecting rod 1, and a plurality of connecting rods 1 can be connected with same drive shaft 2, and a plurality of connecting levers 5 of interval distribution are connected with a plurality of connecting rods 1 respectively on the drive shaft 2 promptly to the realization is through the purpose of a plurality of moving contacts of a drive shaft 2 drive.
When the circuit breaker transmission mechanism provided by the utility model is used, when the circuit breaker needs to be switched on, the driving shaft 2 rotates anticlockwise, the connecting lever 5 pushes the pull rod 6 to move downwards, the pull rod 6 drives the end of the connecting rod 1 connected with the connecting rod 1 to move downwards, the connecting rod 1 deflects on the frame 4, and the end of the connecting rod 1 far away from the pull rod 6 drives the moving contact to move upwards through the connecting piece 7 and is contacted with the static contact in the vacuum arc extinguish chamber 3; when the circuit breaker needs to be opened, the driving shaft 2 rotates clockwise, the connecting lever 5 pulls the pull rod 6 to move upwards, the pull rod 6 drives one end of the connecting rod 1 connected with the connecting rod to move upwards, the connecting rod 1 deflects on the rack 4, and one end of the connecting rod 1, which is far away from the pull rod 6, drives the moving contact to move downwards through the connecting piece 7 and is disconnected with the static contact in the vacuum arc extinguish chamber 3.
To sum up, the utility model provides a circuit breaker transmission mechanism, through connecting rod 1 rotatable connection on frame 4, constitute and control the lever, and connecting rod 1 horizontal arrangement can reduce the whole volume of equipment, when connecting rod 1 one end moves down under the effect of drive shaft 2, the other end of connecting rod 1 then drives the moving contact and moves upwards, realizes closing a floodgate; when one end of the connecting rod 1 moves upwards under the action of the driving shaft 2, the other end of the connecting rod 1 drives the moving contact to move downwards, so that the brake is separated; the up-and-down motion of the moving contact can be realized through the forward or reverse rotation of the driving shaft 2, the driving shaft 2 can control the opening and closing of the moving contact only by rotating a small angle, and higher control precision can be obtained; to sum up, the utility model discloses not only have simple structure, transmission convenient and fast's advantage, can guarantee control accuracy and effect moreover, have very big market value, be worth extensively popularizing and applying.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a circuit breaker drive mechanism, includes connecting rod (1), and the moving contact in drive shaft (2) and vacuum interrupter (3) is connected respectively at connecting rod (1) both ends, its characterized in that: the connecting rod (1) is rotatably connected to the rack (4), the driving shaft (2) and the moving contact are respectively arranged on the left side and the right side of the rack (4), one end of the connecting rod (1) is connected with the driving shaft (2) through a connecting lever (5), a pull rod (6) is further arranged between the connecting lever (5) and the connecting rod (1), the other end of the connecting rod (1) is connected with the moving contact through a connecting piece (7), and the driving shaft (2) drives the moving contact to move up and down through the connecting rod (1).
2. A circuit breaker actuator as claimed in claim 1, wherein: the driving shaft (2) and the moving contact are arranged on the same side of the connecting rod (1).
3. A circuit breaker actuator as claimed in claim 1, wherein: the crank arm (5) is hinged on the driving shaft (2).
4. A circuit breaker actuator as claimed in claim 1, wherein: two ends of the pull rod (6) are respectively connected with the crank arm (5) and the connecting rod (1) in a rotating way.
5. A circuit breaker actuator as claimed in claim 1, wherein: the connecting piece (7) is rotatably connected with the connecting rod (1).
6. A circuit breaker actuator as claimed in claim 1, wherein: the connecting piece (7) is rigidly connected with the moving contact.
7. A circuit breaker actuator as claimed in claim 1, wherein: when one end of the connecting rod (1) connected with the driving shaft (2) moves upwards under the action of the driving shaft (2), the other end of the connecting rod (1) drives the moving contact to move downwards; when one end of the connecting rod (1) connected with the driving shaft (2) moves downwards, the other end of the connecting rod (1) drives the moving contact to move upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653907.2U CN210429654U (en) | 2019-09-30 | 2019-09-30 | Circuit breaker transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653907.2U CN210429654U (en) | 2019-09-30 | 2019-09-30 | Circuit breaker transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210429654U true CN210429654U (en) | 2020-04-28 |
Family
ID=70367998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921653907.2U Active CN210429654U (en) | 2019-09-30 | 2019-09-30 | Circuit breaker transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210429654U (en) |
-
2019
- 2019-09-30 CN CN201921653907.2U patent/CN210429654U/en active Active
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