CN210837593U - Single-shaft transmission high-voltage vacuum switch - Google Patents
Single-shaft transmission high-voltage vacuum switch Download PDFInfo
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- CN210837593U CN210837593U CN201921858629.4U CN201921858629U CN210837593U CN 210837593 U CN210837593 U CN 210837593U CN 201921858629 U CN201921858629 U CN 201921858629U CN 210837593 U CN210837593 U CN 210837593U
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- crank arm
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Abstract
The utility model discloses a single shaft type driven high pressure vacuum switch, include: frame, permanent magnetic mechanism, main shaft and explosion chamber, permanent magnetic mechanism establishes in the frame, and its bottom is equipped with the output lever, the explosion chamber is located frame one side, the bottom is equipped with insulating pull rod, the main shaft erects in the frame bottom, and is located being close to of frame one side of explosion chamber, be connected with output connecting lever and transmission connecting lever on the main shaft, output connecting lever with the output lever bottom is articulated, the transmission connecting lever with insulating pull rod bottom is articulated. The utility model discloses an output pole is connected to the epaxial output connecting lever of main, connects insulating pull rod through the epaxial transmission connecting lever of main, makes the main shaft directly carry out the transmission between output pole and insulating pull rod, and for current complicated drive mechanism, this high-pressure vacuum switch's transmission spare part is few, and simple structure has reduced the fault incidence, and is reliable and stable again.
Description
Technical Field
The utility model belongs to the technical field of electric power system supplies distribution high tension switchgear, concretely relates to single shaft type driven high-pressure vacuum switch.
Background
The vacuum high-voltage switch is a circuit breaker for arc extinction by utilizing vacuum high-dielectric strength, is mainly applied to a power supply and distribution network with a voltage level of 7.2-40.5 kv, and is also used in occasions requiring frequent operation and high-speed breaking. In recent years, vacuum high-voltage switches have been successfully applied to power systems due to the characteristics of simple structure, few parts, high reliability, long service life and the like, and the structures of the vacuum high-voltage switches are developing towards diversification at present.
The structure of the vacuum high-voltage switch mainly comprises: the frame, establish three utmost point posts on the frame, establish the operating device in the frame. And (3) forming a pole part: each pole is sequentially provided with an electricity inlet wiring terminal, a vacuum arc-extinguishing chamber with a fixed contact and a moving contact and an insulating pull rod along the vertical direction, each electricity inlet wiring terminal is electrically connected with the fixed contact of the corresponding vacuum arc-extinguishing chamber, and the insulating pull rod is connected with the moving contact. The operation mechanism part: generally, the main shaft is driven to move by the operating mechanism through the transmission assembly, and the insulating pull rod of the pole is driven to reciprocate up and down by the main shaft through the crank arm assembly, so that the opening and closing operation is realized.
However, in the vacuum high-voltage switch in the prior art, due to the complicated structural design of the transmission part, a large number of parts and large volume, the manufacturing process of the whole vacuum high-voltage switch is complicated, the assembly is complicated, the parts and the labor are wasted, and due to the fact that the number of the parts and the components forming the transmission structure is large, once one part has a problem, the whole transmission structure cannot be operated, so that the fault is more likely to occur.
Patent document No. 201010151052.0 discloses a permanent magnet vacuum circuit breaker, which comprises a case, a main circuit and a permanent magnet mechanism, wherein the main circuit and the permanent magnet mechanism are arranged on the case, the upper end of the permanent magnet mechanism is connected with an emergency opening device, the lower end of the permanent magnet mechanism is connected with a connecting plate a through a pin, the other end of the connecting plate a is connected with a crank arm end through a pin, and the other end of the crank arm is fixed on the case through a pin and can rotate around the pin; a connecting plate B is arranged above the movable end of the connecting lever, the other end of the connecting plate B is connected with an input connecting lever through a pin, and the input connecting lever is fixed on the main shaft to form a first-stage Z-shaped four-bar mechanism; a three-phase crank arm is also fixed on the main shaft, the other end of the three-phase crank arm is connected with a connecting plate C through a pin, and the other end of the connecting plate C is connected with a lever crank arm through a pin to form a second-stage four-bar mechanism; the lever crank arm is fixed on the case through a pin shaft and can rotate around the pin shaft, and the other end of the lever crank arm is connected with an insulating pull rod of the main loop to form a primary lever mechanism. The scheme has the problems of excessive transmission parts and complex assembly between the permanent magnet mechanism and the insulating pull rod.
Disclosure of Invention
The utility model mainly aims at providing a single shaft type driven high-pressure vacuum switch, aim at solving the complicated problem of transmission structure of current vacuum high-pressure switch.
In order to achieve the above object, the utility model provides a single-shaft type driven high-pressure vacuum switch, include: frame, permanent magnetic mechanism, main shaft and explosion chamber, permanent magnetic mechanism establishes in the frame, and its bottom is equipped with the output lever, the explosion chamber is located frame one side, the bottom is equipped with insulating pull rod, the main shaft erects in the frame bottom, and is located being close to of frame one side of explosion chamber, be connected with output connecting lever and transmission connecting lever on the main shaft, output connecting lever with the output lever bottom is articulated, the transmission connecting lever with insulating pull rod bottom is articulated.
Preferably, a manual operating handle is arranged on the main shaft.
Preferably, a first main shaft crank arm is arranged on the main shaft, a separation and combination indicating shaft is arranged on the frame, the separation and combination indicating shaft is connected with a separation and combination indicating connecting plate, and a first main shaft connecting plate is connected between the first main shaft crank arm and the separation and combination indicating connecting plate.
Preferably, the frame is provided with a separation and combination indicating mark near the separation and combination indicating shaft.
Preferably, a second spindle crank arm is arranged on the spindle, a counter and a second spindle connecting plate are arranged on the frame, one end of the second spindle connecting plate is rotatably connected to the frame, the other end of the second spindle connecting plate is connected to the second spindle crank arm, and the counter is connected with the second spindle connecting plate.
Preferably, the separation and combination indicating shaft and the counter are respectively arranged on two opposite sides of the permanent magnet mechanism.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect:
the utility model discloses set up the insulating pull rod of explosion chamber bottom and the output rod of permanent magnetic mechanism bottom according to the front and back position, establish the main shaft between insulating pull rod and output rod, connect the output rod through main epaxial output connecting lever, connect insulating pull rod through main epaxial transmission connecting lever, make the main shaft directly carry out the transmission between output rod and insulating pull rod, for current complicated drive mechanism, this high pressure vacuum switch's transmission spare part is few, simple structure has reduced the fault occurrence rate, and is reliable and stable again.
Two, the utility model discloses also all directly connect the drive through the main shaft with deciliter indicating shaft and counter, cancelled traditional in addition set up the countershaft and carry out driven mode to, manually operation handle also directly sets up and carries out operation control on the main shaft, has further reduced the driving medium in the traditional switch, makes whole switch all simple structure, small be convenient for again maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a structural diagram of a single-shaft transmission high-pressure vacuum switch according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of a driving structure of the separation and combination indicating shaft in the direction E of fig. 1;
fig. 4 is a schematic diagram of a driving structure of the counter in the F direction of fig. 1.
The reference numbers of the utility model explain:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
9 | Hand-operated |
| 2 | Insulating |
10 | Separation and |
| 3 | Permanent |
11 | Separation and combination |
| 4 | |
12 | First main shaft crank arm |
| 5 | Insulating |
13 | First main |
| 6 | |
14 | Counter with a |
| 7 | |
15 | Second main |
| 8 | |
16 | Second main shaft connecting plate |
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a single shaft type driven high pressure vacuum switch.
Referring to fig. 1 to 4, the single shaft type high voltage vacuum switch includes a frame 1 and an insulating cylinder 2. In the following description, the side of fig. 2 where the insulating cylinder 2 is located is defined as a front side.
A permanent magnet mechanism 3 is arranged in the frame 1, and an output rod 4 is arranged at the bottom of the permanent magnet mechanism 3. The insulating cylinder 2 is arranged on the front side of the frame 1, an arc extinguish chamber is arranged in the insulating cylinder 2, the arc extinguish chamber is provided with a static contact and a moving contact, the static contact is connected with an electricity inlet wiring terminal, the arc extinguish chamber is connected into a conductive loop through the electricity inlet wiring terminal, the moving contact is located at the bottom of the arc extinguish chamber and is connected with an insulating pull rod 5, and the insulating pull rod 5 can be connected with other components in an insulating mode.
A main shaft 6 for realizing switching on and off is erected at the bottom of the frame 1. The main shaft 6 is positioned at the front side of the bottom of the frame 1, a transmission crank arm 7 and an output crank arm 8 are arranged on the main shaft 6, the transmission crank arm 7 extends forwards and is hinged with an insulating pull rod 5 of the arc extinguish chamber, and the output crank arm 8 extends backwards and is hinged with an output rod 4 of the permanent magnet mechanism 3.
Therefore, the permanent magnet mechanism 3 drives the rear end of the output crank arm 8 to move up and down through the output rod 4, the output crank arm 8 drives the main shaft 6 to rotate in a reciprocating mode, and when the transmission crank arm 7 moves in a reciprocating mode along with the main shaft, the insulation pull rod 5 is driven to move up and down in a reciprocating mode, and therefore opening and closing actions are achieved.
The utility model discloses a single-axis transmission, simple structure, transmission part only include main shaft 6, the transmission connecting lever 7 and the output connecting lever 8 of being connected with main shaft 6, install main shaft 6, transmission connecting lever 7 and output connecting lever 8 in frame 1, can be driven by permanent magnetic mechanism 3, drive the explosion chamber through insulating pull rod 5 and carry out the divide-shut brake action. Compare in current complicated vacuum switch, the utility model discloses spare part is few, also greatly reduced manufacturing cost.
Furthermore, a manual operating handle 9 is arranged on the main shaft 6, and the main shaft 6 can be manually rotated by using the manual operating handle 9 to complete the opening and closing actions.
Further, referring to fig. 3, a rotatable opening/closing indication shaft 10 is provided in the frame 1, and an opening/closing indication connecting plate 11 is connected to the opening/closing indication shaft 10. The main shaft 6 is provided with a first main shaft crank arm 12, the tail end of the first main shaft crank arm 12 is hinged with a first main shaft connecting plate 13, and the top of the first main shaft connecting plate 13 is hinged with a separation and combination indicating connecting plate 11.
Therefore, when the main shaft 6 rotates, the main shaft 6 drives the first main shaft connecting plate 13 to move up and down through the first main shaft connecting lever 12, the upper end of the first main shaft connecting plate 13 drives the opening and closing indicating connecting plate 11 to swing up and down around the axis of the opening and closing indicating shaft 10, and then the opening and closing indicating shaft 10 is driven to rotate. The switch indicating shaft 10 is provided with a pointer, the position on the frame close to the switch indicating shaft is provided with a switch indicating mark, when the switch indicating shaft 10 rotates, the pointer rotates to point to different positions of the switch indicating mark, and the current state of the high-voltage vacuum switch is correspondingly indicated to be a switch-off state or a switch-on state.
Further, referring to fig. 4, a counter 14 is further disposed in the frame 1. The main shaft 6 is also provided with a second main shaft crank arm 15, the tail end of the second main shaft crank arm 15 is hinged with a second main shaft connecting plate 16, and the top of the second main shaft connecting plate 16 is rotatably connected with the frame.
Therefore, when the main shaft 6 rotates, the main shaft 6 drives the second main shaft connecting plate 16 to move up and down through the second main shaft connecting lever 15, the second main shaft connecting plate 16 can pull the counter 14 to perform counting action and display, and the number of times of opening and closing actions of the high-pressure vacuum switch can be seen through the counter 14.
In a conventional implementation mode, the transmission of the on-off indication part and the counter part in the high-pressure vacuum switch is generally carried out by additionally arranging an auxiliary shaft and a corresponding connecting plate, at present, a structure of combining a main shaft and an auxiliary shaft is mainly adopted in China, one transmission part of the auxiliary shaft is damaged, and the switch can be prevented from being opened or closed, so that more transmission parts in the vacuum switch are caused, and the structure is more complex.
In the embodiment, a simple single-shaft transmission structure is adopted as a whole, the split-combination indicating shaft 10 and the counter 14 are directly connected with the main shaft 6 through the connecting plate, the original auxiliary shaft, a matched shaft seat, a main and auxiliary shaft connecting sheet and other parts are omitted, the number of intermediate transmission parts is reduced, the structure is simplified, the size is small, the stability and the reliability are realized, the probability of damaging the parts is reduced, and the maintenance is more convenient.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (6)
1. A single axis actuated high pressure vacuum switch comprising: a frame (1), a permanent magnetic mechanism (3), a main shaft (6) and an arc extinguish chamber,
the permanent magnetic mechanism (3) is arranged in the frame (1), the bottom of the permanent magnetic mechanism is provided with an output rod (4),
the arc extinguish chamber is arranged at one side of the frame (1), the bottom of the arc extinguish chamber is provided with an insulating pull rod (5),
the main shaft (6) is erected at the bottom of the frame (1) and is positioned at one side of the frame (1) close to the arc extinguish chamber, an output crank arm (8) and a transmission crank arm (7) are connected to the main shaft (6),
the output crank arm (8) is hinged to the bottom of the output rod (4), and the transmission crank arm (7) is hinged to the bottom of the insulating pull rod (5).
2. Single-shaft driven high-pressure vacuum switch according to claim 1, characterised in that the main shaft (6) is provided with a manually operable handle (9).
3. The single-shaft transmission high-pressure vacuum switch according to claim 1, wherein a first main shaft crank arm (12) is arranged on the main shaft (6), a switching indicating shaft (10) is arranged on the frame, the switching indicating shaft (10) is connected with a switching indicating connecting plate (11), and a first main shaft connecting plate (13) is connected between the first main shaft crank arm (12) and the switching indicating connecting plate (11).
4. The single-shaft transmission high-pressure vacuum switch according to claim 3, wherein the frame (1) is provided with a switching indication mark near the switching indication shaft (10).
5. The single-shaft transmission high-pressure vacuum switch according to claim 3, wherein the main shaft (6) is provided with a second main shaft crank arm (15), the frame (1) is provided with a counter (14) and a second main shaft connecting plate (16), one end of the second main shaft connecting plate (16) is rotatably connected to the frame (1), the other end of the second main shaft connecting plate is connected to the second main shaft crank arm (15), and the counter (14) is connected to the second main shaft connecting plate (16).
6. The single-shaft transmission high-pressure vacuum switch according to claim 5, wherein the switching indicating shaft (10) and the counter (14) are respectively provided on opposite sides of the permanent magnet mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858629.4U CN210837593U (en) | 2019-10-31 | 2019-10-31 | Single-shaft transmission high-voltage vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858629.4U CN210837593U (en) | 2019-10-31 | 2019-10-31 | Single-shaft transmission high-voltage vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837593U true CN210837593U (en) | 2020-06-23 |
Family
ID=71256454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858629.4U Active CN210837593U (en) | 2019-10-31 | 2019-10-31 | Single-shaft transmission high-voltage vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837593U (en) |
-
2019
- 2019-10-31 CN CN201921858629.4U patent/CN210837593U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee after: Weisheng Energy Technology Co.,Ltd. Address before: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee before: WASION ELECTRIC Co.,Ltd. |