CN117393363A - Double-acting high-voltage sulfur hexafluoride circuit breaker transmission device - Google Patents
Double-acting high-voltage sulfur hexafluoride circuit breaker transmission device Download PDFInfo
- Publication number
- CN117393363A CN117393363A CN202311516679.5A CN202311516679A CN117393363A CN 117393363 A CN117393363 A CN 117393363A CN 202311516679 A CN202311516679 A CN 202311516679A CN 117393363 A CN117393363 A CN 117393363A
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- Prior art keywords
- contact
- static arc
- moving
- piece
- arc contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 21
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 144
- 230000003068 static effect Effects 0.000 claims abstract description 137
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a double-acting high-voltage sulfur hexafluoride breaker transmission device, which comprises: the device comprises a first linear motion piece, a first circular motion piece, a second linear motion piece, a second circular motion piece and a linkage piece; the first linear motion piece is connected with one end of the movable contact, which is opposite to the static arc contact, and can be driven by the movable contact to perform linear motion; the first linear motion piece is connected with the first circular motion piece and drives the first circular motion piece to do circular motion; the first circular motion piece is connected with the second circular motion piece through the linkage piece to drive the second circular motion piece to do circular motion; the second circular motion piece is connected with the second linear motion piece to drive the second linear motion piece to do linear motion, and the second linear motion piece is connected with one end of the static arc contact, which is opposite to the moving contact, to drive the static arc contact to do linear motion; the first linear motion piece and the second linear motion piece are opposite in motion direction, and the first circular motion piece and the second circular motion piece are opposite in rotation direction. The invention can improve the opening and closing speed.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a double-acting high-voltage sulfur hexafluoride circuit breaker transmission device.
Background
Circuit breakers, one of the most important devices of an electrical power system, mainly serve two functions in the electrical network, namely control and protection. High pressure SF 6 The circuit breaker is a circuit breaker with SF 6 A switching device for switching on and off a predetermined short-circuit current in a high-voltage transmission line is provided, in which the gas serves as an insulating and quenching medium. When the power grid breaks down, the fault line is isolated rapidly, other equipment can continue to move normally, and larger influence caused by fault expansion is prevented.
The conventional high-voltage sulfur hexafluoride breaker transmission device generally adopts a single-acting structure, namely, a transmission mechanism is used for realizing the opening and closing operation. Such structures have some limitations, including:
operating efficiency limitations: the single-acting structure needs larger force and travel during opening and closing operation, so that the operation speed is slower, and the response speed of the circuit breaker is limited;
reliability challenges: single-acting transmissions are susceptible to mechanical wear and failure due to large force and travel demands, which can lead to equipment instability and reliability problems.
Disclosure of Invention
The embodiment of the invention provides a double-acting high-voltage sulfur hexafluoride breaker transmission device, which aims to solve the problems of low efficiency and low reliability caused by the adoption of a single-acting structure of the high-voltage sulfur hexafluoride breaker transmission device in the prior art.
The embodiment of the invention discloses the following technical scheme:
a double-acting high-voltage sulfur hexafluoride circuit breaker transmission, comprising: the first linear motion piece, the first circular motion piece, the second linear motion piece, the second circular motion piece and the linkage piece are positioned in the arc extinguishing chamber;
the first linear motion piece is connected with one end of the moving contact, which is opposite to the static arc contact, and can be driven by the moving contact to do linear motion; the first linear motion piece is connected with the first circular motion piece and is used for driving the first circular motion piece to do circular motion; the first circular motion piece is connected with the second circular motion piece through the linkage piece and is used for driving the second circular motion piece to do circular motion; the second circular motion piece is connected with the second linear motion piece and is used for driving the second linear motion piece to do linear motion, and the second linear motion piece is connected with one end of the static arc contact, which is opposite to the moving contact, and is used for driving the static arc contact to do linear motion;
the moving directions of the first linear moving piece and the second linear moving piece are opposite, and are parallel to the moving directions of the moving contact and the static arc contact, and the rotating directions of the first circular moving piece and the second circular moving piece are opposite.
Further: the first linear motion piece is the moving contact rack, the first circular motion piece is the moving contact gear, the second linear motion piece is the static arc contact rack, the second circular motion piece is the static arc contact gear, the linkage piece includes: the movable contact crank, the static arc contact crank, the first connecting rod and the second connecting rod;
one end of the moving contact rack is connected with one end of the moving contact, which is opposite to the static arc contact, the moving contact gear is meshed with the moving contact rack, a first rotating shaft is fixedly arranged in the arc extinguishing chamber, and one ends of the moving contact gear and the moving contact crank are sleeved on the first rotating shaft and can synchronously rotate;
one end of the static arc contact rack is connected with one end of the static arc contact, which is opposite to the moving contact, the static arc contact gear is meshed with the static arc contact rack, a second rotating shaft is fixedly arranged in the arc extinguishing chamber, and one ends of the static arc contact gear and the static arc contact crank are sleeved on the second rotating shaft and can synchronously rotate;
the other end of the moving contact crank is connected with one end of the first connecting rod through a shaft, the other end of the first connecting rod is connected with one end of the second connecting rod through a shaft, and the other end of the static arc contact crank is connected with the other end of the second connecting rod through a shaft.
Further, the method further comprises the following steps: the sliding rail is fixedly arranged in the arc extinguishing chamber and extends along the moving direction of the moving contact and the static arc contact; the sliding block is arranged in the slideway and can do linear motion in the slideway, a third rotating shaft is fixedly arranged at the center of one side wall of the sliding block, and the center of the second connecting rod is rotatably sleeved on the third rotating shaft.
Further, the method further comprises the following steps: the movable contact guide rod and the static arc contact guide rod, one end of the movable contact guide rod is connected with one end of the movable contact, which is opposite to the static arc contact, the movable contact rack is arranged on the surface of the movable contact guide rod, one end of the static arc contact guide rod is connected with one end of the static arc contact, which is opposite to the movable contact, and the static arc contact rack is arranged on the surface of the static arc contact guide rod.
Further: the movable contact gear is connected with one end of the movable contact crank through a first bearing rotatably sleeved on the first rotating shaft, and the static arc contact gear is connected with one end of the static arc contact crank through a second bearing rotatably sleeved on the second rotating shaft.
Further: the planes of the moving contact gear, the static arc contact gear and the centers of the sliding blocks are parallel to the moving directions of the moving contact and the static arc contact.
Further: when the moving contact and the static arc contact are in a brake separating state, the sliding block is positioned at one end of the slide way, which is close to the moving contact, the static arc contact crank and the second connecting rod extend along the moving direction of the moving contact and the static arc contact, and a shaft connecting one ends of the moving contact crank and the first connecting rod is positioned at one side of the slide way, which faces the moving contact.
Further: when the moving contact and the static arc contact are in a closing state, the sliding block is positioned at one end of the slide way, which is close to the static arc contact, the static arc contact crank and the second connecting rod extend along the moving direction of the moving contact and the static arc contact, and a shaft connecting one ends of the moving contact crank and the first connecting rod is positioned at one side of the slide way, which is opposite to the moving contact.
In this way, the embodiment of the invention is connected through the double-acting transmission mechanism, the moving contact moves and drives the static arc contact to move in the opposite direction, so that the linkage of the moving contact and the static arc contact is realized, the opening and closing speed can be improved, the opening and closing operation work is reduced, and the opening and closing time is reduced as much as possible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a transmission device of a double-acting high-voltage sulfur hexafluoride breaker according to an embodiment of the invention;
fig. 2 is a schematic diagram of a structure of a transmission device of a double-acting high-voltage sulfur hexafluoride breaker for controlling breaking of a breaker according to an embodiment of the invention;
fig. 3 is a schematic diagram of a transmission device of a double-acting high-voltage sulfur hexafluoride breaker for controlling the closing of the breaker according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a transmission device of a double-acting high-voltage sulfur hexafluoride breaker. The device comprises: the first linear motion piece, the first circular motion piece, the second linear motion piece, the second circular motion piece and the linkage piece are positioned in the arc extinguishing chamber.
The first linear motion piece is connected with one end of the movable contact, which is opposite to the static arc contact, and can be driven by the movable contact to perform linear motion; the first linear motion piece is connected with the first circular motion piece and is used for driving the first circular motion piece to do circular motion; the first circular motion piece is connected with the second circular motion piece through the linkage piece and is used for driving the second circular motion piece to do circular motion; the second circular motion piece is connected with the second linear motion piece and is used for driving the second linear motion piece to do linear motion, and the second linear motion piece is connected with one end of the static arc contact, which is opposite to the moving contact, and is used for driving the static arc contact to do linear motion.
The moving directions of the first linear moving piece and the second linear moving piece are opposite, and are parallel to the moving directions of the moving contact and the static arc contact, and the rotating directions of the first circular moving piece and the second circular moving piece are opposite.
Therefore, through the structural design, when the brake is opened, the moving contact is controlled to do linear motion in the direction away from the static arc contact, the moving contact drives the first linear motion piece to do linear motion in the direction away from the static arc contact, the first linear motion piece drives the first circular motion piece to rotate in the first direction, the first circular motion piece drives the second circular motion piece to rotate in the second direction opposite to the first direction through the linkage piece, the second circular motion piece drives the second linear motion piece to do linear motion in the direction away from the moving contact, and the second linear motion piece drives the static arc contact to do linear motion in the direction away from the moving contact, so that the brake is opened quickly.
Similarly, when the switch-on is performed, the moving contact is controlled to do linear motion towards the direction close to the static arc contact, the moving contact drives the first linear motion piece to do linear motion towards the direction close to the static arc contact, the first linear motion piece drives the first circular motion piece to rotate towards the second direction, the first circular motion piece drives the second circular motion piece to rotate towards the first direction opposite to the second direction through the linkage piece, the second circular motion piece drives the second linear motion piece to do linear motion towards the direction close to the moving contact, and the second linear motion piece drives the static arc contact to do linear motion towards the direction close to the moving contact, so that quick switch-on is realized.
As shown in fig. 1, in a specific embodiment of the present invention, the first linear motion member is a moving contact rack 7, the first circular motion member is a moving contact gear 9, the second linear motion member is a static arc contact rack 2, the second circular motion member is a static arc contact gear 19, and the linkage member includes: a moving contact crank 11, a static arc contact crank 3, a first connecting rod 13 and a second connecting rod 15.
One end of the moving contact rack 7 is connected with one end of the moving contact 6, which is opposite to the static arc contact 5. The moving contact gear 9 is meshed with the moving contact rack 7, so that the moving contact rack 7 can drive the moving contact gear 9 to rotate. The first shaft 10 is fixedly installed in the arc extinguishing chamber. One end of the moving contact gear 9 and one end of the moving contact crank 11 are sleeved on the first rotating shaft 10 and can synchronously rotate. Preferably, the movable contact gear 9 and one end of the movable contact crank 11 are connected together through a first bearing rotatably sleeved on the first rotating shaft 10, so that synchronous rotation is realized.
One end of the static arc contact rack 2 is connected with one end of the static arc contact 5, which is opposite to the moving contact 6. The static arc contact gear 19 is meshed with the static arc contact rack 2, so that the static arc contact gear 19 rotates to drive the static arc contact rack 2 to move. The second rotating shaft 20 is fixedly installed in the arc extinguishing chamber. The static arc contact gear 19 and one end of the static arc contact crank 3 are sleeved on the second rotating shaft 20 and can synchronously rotate. Preferably, the static arc contact gear 19 and one end of the static arc contact crank 3 are connected together through a second bearing rotatably sleeved on the second rotating shaft 20, so that synchronous rotation is realized.
The other end of the moving contact crank 11 is connected to one end of a first link 13, which is denoted as a fourth rotation shaft 12. Thus, the movable contact crank 11 is rotatable about the fourth rotation axis 12, and the first link 13 is also rotatable about the fourth rotation axis 12. It should be appreciated that the moving contact crank 11 and the first link 13 do not need to be rotated synchronously.
The other end of the first link 13 is connected to one end of the second link 15 by a shaft, which is denoted as a fifth rotation shaft 14. Thus, the first link 13 is rotatable about the fifth rotation axis 14, and the second link 15 is also rotatable about the fifth rotation axis 14. It should be appreciated that the first link 13 and the second link 15 need not rotate synchronously.
The other end of the static arc contact crank 3 is connected with the other end of the second connecting rod 15 by a shaft, which is marked as a sixth rotating shaft 4. In this way, the static contact crank 3 can rotate around the sixth rotation axis 4, and the second connecting rod 15 can also rotate around the sixth rotation axis 4. It should be appreciated that the stationary contact crank 3 and the second link 15 need not be rotated synchronously.
Preferably, the device comprises: a slideway 18 and a slider 17. The chute 18 is fixed in the arc chute. The slide 18 extends in the direction of movement of the moving contact 6 and the static contact 5. The slide 17 is arranged in the slide 18 and can move linearly in the slide 18. It will be appreciated that the width of the slider 17 matches the width of the slideway 18. The center of one side wall of the slider 17 is fixedly provided with a third rotation shaft 16. The center of the second connecting rod 15 is rotatably sleeved on the third rotating shaft 16.
Through the above-described structural design, the slider 17 can function as a support for the second link 15. In addition, in order to avoid the problem of limiting the movement of the second connecting rod 15 caused by the fixed position of the sliding block, the sliding block 17 can move in the slideway 18, the moving contact crank 11 rotates one circle, and the sliding block 17 linearly reciprocates once, so that the movement of the linkage piece is prevented from being influenced. The slide way 18 limits the movement of the slide block 17 and guides the movement of the slide block 17, thereby ensuring the linear movement of the slide block 17.
It should be understood that the planes in which the centers of the moving contact gear 9, the static arc contact gear 19 and the slider 17 are located are parallel to the moving directions of the moving contact 6 and the static arc contact 5.
It should also be understood that the positions of the moving contact rack 7, the moving contact crank 11, the first link 13, the second link 15, the static arc contact rack 2, the static arc contact crank 3, the slideway 18, etc. can be reasonably designed, and as illustrated in fig. 1, these components can be located on a staggered plane in the direction perpendicular to the page, so as to avoid blocking the respective movements.
In a preferred embodiment, the apparatus further comprises: a moving contact guide rod 8 and a static arc contact guide rod 1. One end of the moving contact guide rod 8 is connected with one end of the moving contact 6, which is opposite to the static arc contact 5. The moving contact rack 7 is provided on the surface of the moving contact guide bar 8. One end of the static arc contact guide rod 1 is connected with one end of the static arc contact 5, which is opposite to the moving contact 6. The static arc contact rack 2 is arranged on the surface of the static arc contact guide rod 1.
Through setting up moving contact guide bar 8 and quiet arc contact guide bar 1 can provide the support to moving contact rack 7 and quiet arc contact rack 2 respectively to can guide the motion of moving contact rack 7 and quiet arc contact rack 2, can guarantee moving contact rack 7 and moving contact gear 9, and, quiet arc contact rack 2 and quiet arc contact gear 19, reliable meshing and power transmission, simultaneously, can also play spacing effect, prevent to take place to overshoot because of the speed is too fast and damage the part, in addition, also guaranteed the stationarity of transmission motion.
When the moving contact 6 and the static arc contact 5 are in a brake-separating state, the sliding block 17 is positioned at one end of the slideway 18, which is close to the moving contact 6. The static arc contact crank 3 and the second connecting rod 15 both extend along the movement direction of the moving contact 6 and the static arc contact 5. The shaft connecting the movable contact crank 11 and one end of the first link 13 is located on the side of the slide 18 facing the movable contact 6.
When the moving contact 6 and the static arc contact 5 are in a closing state, the sliding block 17 is positioned at one end of the slideway 18, which is close to the static arc contact 5. The static arc contact crank 3 and the second connecting rod 15 both extend along the movement direction of the moving contact 6 and the static arc contact 5. The shaft connecting the movable contact crank 11 and one end of the first link 13 is located on the side of the slideway 18 facing away from the movable contact 6.
The application process of the double-acting high-voltage sulfur hexafluoride breaker transmission device is as follows:
1. and (3) a brake separating stage:
as shown in fig. 2, the moving contact 6 is controlled to move rightwards, the moving contact 6 drives the moving contact rack 7 to move rightwards along the moving contact guide rod 8, and the moving contact rack 7 drives the moving contact gear 9 to rotate anticlockwise, so that linear motion is converted into circular motion; the moving contact gear 9 drives the moving contact crank 11 to rotate anticlockwise, the moving contact crank 11 drives the first connecting rod 13 to rotate, the first connecting rod 13 drives the second connecting rod 15 to move, the second connecting rod 15 pushes the sliding block 17 to linearly reciprocate in the slideway 18 so as to avoid the limitation of the movement of the second connecting rod 15, the second connecting rod 15 drives the static arc contact crank 3 to rotate clockwise, the static arc contact crank 3 drives the static arc contact gear 19 to rotate clockwise, and the static arc contact gear 19 drives the static arc contact rack 2 to move leftwards along the static arc contact guide rod 1, so that circular movement is converted into linear movement; the static arc contact rack 2 drives the static arc contact 5 to move leftwards, the moving contact 6 and the static arc contact 5 move towards opposite directions in the process, the quick separation of the moving contact 6 and the static arc contact 5 is quickened, and the breaker can quickly finish the breaking operation.
2. And (3) closing:
as shown in fig. 3, the moving contact 6 is controlled to move leftwards, the moving contact 6 drives the moving contact rack 7 to move leftwards along the moving contact guide rod 8, and the moving contact rack 7 drives the moving contact gear 9 to rotate clockwise, so that linear motion is converted into circular motion; the moving contact gear 9 drives the moving contact crank 11 to rotate clockwise, the moving contact crank 11 drives the first connecting rod 13 to rotate, the first connecting rod 13 drives the second connecting rod 15 to move, the second connecting rod 15 pushes the sliding block 17 to reciprocate linearly in the slideway 18 so as to avoid the limitation of the movement of the second connecting rod 15, the second connecting rod 15 drives the static arc contact crank 3 to rotate anticlockwise, the static arc contact crank 3 drives the static arc contact gear 19 to rotate anticlockwise, and the static arc contact gear 19 drives the static arc contact rack 2 to move rightwards along the static arc contact guide rod 1, so that circular movement is converted into linear movement; the static arc contact rack 2 drives the static arc contact 5 to move rightwards, the moving contact 6 and the static arc contact 5 move towards opposite directions in the process, and the quick closing of the moving contact 6 and the static arc contact 5 is quickened, so that the circuit breaker can quickly complete closing operation.
In summary, the embodiment of the invention is connected through the double-acting transmission mechanism, the moving contact moves and drives the static arc contact to move in the opposite direction, so that the linkage of the moving contact and the static arc contact is realized, the opening and closing speed can be improved, the opening and closing operation work is reduced, and the opening and closing time is reduced as much as possible.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. A double-acting high-voltage sulfur hexafluoride circuit breaker transmission, comprising: the first linear motion piece, the first circular motion piece, the second linear motion piece, the second circular motion piece and the linkage piece are positioned in the arc extinguishing chamber;
the first linear motion piece is connected with one end of the moving contact, which is opposite to the static arc contact, and can be driven by the moving contact to do linear motion; the first linear motion piece is connected with the first circular motion piece and is used for driving the first circular motion piece to do circular motion; the first circular motion piece is connected with the second circular motion piece through the linkage piece and is used for driving the second circular motion piece to do circular motion; the second circular motion piece is connected with the second linear motion piece and is used for driving the second linear motion piece to do linear motion, and the second linear motion piece is connected with one end of the static arc contact, which is opposite to the moving contact, and is used for driving the static arc contact to do linear motion;
the moving directions of the first linear moving piece and the second linear moving piece are opposite, and are parallel to the moving directions of the moving contact and the static arc contact, and the rotating directions of the first circular moving piece and the second circular moving piece are opposite.
2. The double-acting high-voltage sulfur hexafluoride circuit breaker transmission of claim 1 wherein: the first linear motion piece is the moving contact rack, the first circular motion piece is the moving contact gear, the second linear motion piece is the static arc contact rack, the second circular motion piece is the static arc contact gear, the linkage piece includes: the movable contact crank, the static arc contact crank, the first connecting rod and the second connecting rod;
one end of the moving contact rack is connected with one end of the moving contact, which is opposite to the static arc contact, the moving contact gear is meshed with the moving contact rack, a first rotating shaft is fixedly arranged in the arc extinguishing chamber, and one ends of the moving contact gear and the moving contact crank are sleeved on the first rotating shaft and can synchronously rotate;
one end of the static arc contact rack is connected with one end of the static arc contact, which is opposite to the moving contact, the static arc contact gear is meshed with the static arc contact rack, a second rotating shaft is fixedly arranged in the arc extinguishing chamber, and one ends of the static arc contact gear and the static arc contact crank are sleeved on the second rotating shaft and can synchronously rotate;
the other end of the moving contact crank is connected with one end of the first connecting rod through a shaft, the other end of the first connecting rod is connected with one end of the second connecting rod through a shaft, and the other end of the static arc contact crank is connected with the other end of the second connecting rod through a shaft.
3. The double-acting high-voltage sulfur hexafluoride circuit breaker transmission of claim 2 further including: the sliding rail is fixedly arranged in the arc extinguishing chamber and extends along the moving direction of the moving contact and the static arc contact; the sliding block is arranged in the slideway and can do linear motion in the slideway, a third rotating shaft is fixedly arranged at the center of one side wall of the sliding block, and the center of the second connecting rod is rotatably sleeved on the third rotating shaft.
4. The double-acting high-voltage sulfur hexafluoride circuit breaker transmission of claim 2 further including: the movable contact guide rod and the static arc contact guide rod, one end of the movable contact guide rod is connected with one end of the movable contact, which is opposite to the static arc contact, the movable contact rack is arranged on the surface of the movable contact guide rod, one end of the static arc contact guide rod is connected with one end of the static arc contact, which is opposite to the movable contact, and the static arc contact rack is arranged on the surface of the static arc contact guide rod.
5. The double-acting high-voltage sulfur hexafluoride circuit breaker transmission of claim 2 wherein: the movable contact gear is connected with one end of the movable contact crank through a first bearing rotatably sleeved on the first rotating shaft, and the static arc contact gear is connected with one end of the static arc contact crank through a second bearing rotatably sleeved on the second rotating shaft.
6. A double-acting high voltage sulfur hexafluoride circuit breaker transmission as claimed in claim 3 wherein: the planes of the moving contact gear, the static arc contact gear and the centers of the sliding blocks are parallel to the moving directions of the moving contact and the static arc contact.
7. A double-acting high voltage sulfur hexafluoride circuit breaker transmission as claimed in claim 3 wherein: when the moving contact and the static arc contact are in a brake separating state, the sliding block is positioned at one end of the slide way, which is close to the moving contact, the static arc contact crank and the second connecting rod extend along the moving direction of the moving contact and the static arc contact, and a shaft connecting one ends of the moving contact crank and the first connecting rod is positioned at one side of the slide way, which faces the moving contact.
8. A double-acting high voltage sulfur hexafluoride circuit breaker transmission as claimed in claim 3 wherein: when the moving contact and the static arc contact are in a closing state, the sliding block is positioned at one end of the slide way, which is close to the static arc contact, the static arc contact crank and the second connecting rod extend along the moving direction of the moving contact and the static arc contact, and a shaft connecting one ends of the moving contact crank and the first connecting rod is positioned at one side of the slide way, which is opposite to the moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311516679.5A CN117393363A (en) | 2023-11-14 | 2023-11-14 | Double-acting high-voltage sulfur hexafluoride circuit breaker transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311516679.5A CN117393363A (en) | 2023-11-14 | 2023-11-14 | Double-acting high-voltage sulfur hexafluoride circuit breaker transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117393363A true CN117393363A (en) | 2024-01-12 |
Family
ID=89470096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311516679.5A Pending CN117393363A (en) | 2023-11-14 | 2023-11-14 | Double-acting high-voltage sulfur hexafluoride circuit breaker transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117393363A (en) |
-
2023
- 2023-11-14 CN CN202311516679.5A patent/CN117393363A/en active Pending
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