CN217881300U - Vacuum circuit breaker with coil spring - Google Patents
Vacuum circuit breaker with coil spring Download PDFInfo
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- CN217881300U CN217881300U CN202220554690.5U CN202220554690U CN217881300U CN 217881300 U CN217881300 U CN 217881300U CN 202220554690 U CN202220554690 U CN 202220554690U CN 217881300 U CN217881300 U CN 217881300U
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- coil spring
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- vacuum circuit
- spring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 78
- 230000007704 transition Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of vacuum circuit breakers, in particular to a vacuum circuit breaker with a coil spring, which comprises a gear assembly, wherein the gear assembly comprises a transition gear, an input gear, a coil spring gear and a first transmission rod; the transition gear is respectively meshed with the input gear and the spiral spring gear; the input gear is connected with an output shaft of the driving motor; the spiral spring gear is provided with an arc-shaped slide way, one side of the spiral spring gear is provided with a spiral spring, and the spiral spring gear and the spiral spring are sleeved on the first transmission rod; the rod body of the first transmission rod is provided with a swinging block; one side of the coil spring is fixedly provided with a sliding block which slides along the arc-shaped slideway in a reciprocating way. Coil spring and spring are compared and are difficult for taking place elastic failure, the utility model discloses use the coil spring to replace the spring to carry out energy storage and release, can guarantee vacuum circuit breaker's combined floodgate and separating brake and normally go on.
Description
Technical Field
The utility model belongs to the technical field of vacuum circuit breaker, especially, relate to a vacuum circuit breaker with coil spring.
Background
The vacuum circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinction, so the vacuum circuit breaker is popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment. Vacuum circuit breaker technical standard vacuum circuit breakers have gained vigorous development in our country in the last decade.
Most of the existing vacuum circuit breakers are spring operated mechanisms. The stored energy of the spring operating mechanism is used for pulling the spring open through gear transmission, and the vacuum circuit breaker is switched on to store the energy of the spring and trigger the spring to release the energy through switching-off. However, after the spring continuously releases and stores energy for a long time, the spring is prone to lose elasticity and fail, so that the closing and opening of the vacuum circuit breaker cannot normally operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum circuit breaker with coil spring aims at solving among the prior art vacuum circuit breaker because the spring is energy storage constantly for a long time and energy release, and the spring inefficacy leads to vacuum circuit breaker's combined floodgate and the technical problem that separating brake can not normally work easily.
In order to achieve the above object, an embodiment of the present invention provides a vacuum circuit breaker with a coil spring, which includes a driving motor, a gear assembly, a rocker assembly, a transmission assembly and a release connected in sequence; the gear assembly comprises a transition gear, an input gear, a coil spring gear and a first transmission rod; the transition gear is meshed with the input gear and the spiral spring gear respectively; the input gear is connected with an output shaft of the driving motor; the spiral spring gear is provided with an arc-shaped slide way, a spiral spring is mounted on one side of the spiral spring gear, and the spiral spring gear and the spiral spring are sleeved on the first transmission rod; a swinging block is fixedly arranged on the rod body of the first transmission rod; and a sliding block which slides in a reciprocating manner along the arc-shaped slide way is fixedly arranged on one side of the coil spring.
Optionally, an external spline is fixedly installed at the center of the coil spring; the rod body of the first transmission rod is fixedly provided with an internal spline; the external splines and the internal splines are engaged with each other.
Optionally, the rocker assembly comprises a connecting sheath, rockers, a first crankshaft and a second crankshaft; the connecting sheath penetrates through the rocker, the first crankshaft and the second crankshaft; one side surface of the first crankshaft is fixedly connected with one end of the first transmission rod; and one end face of the second crankshaft is connected with the transmission assembly.
Optionally, the transmission assembly comprises a second transmission rod, a disc, a rotating sheet, a first rotating member and a second rotating member; one end of the second transmission rod is fixedly connected with one end face of the second crankshaft, and the second transmission rod penetrates through the disc; a plurality of bosses are fixedly arranged on two side surfaces of the disc; when the disc rotates along with the second transmission rod, the lug boss pushes the rotating piece to rotate; the rotating piece is connected with one end of the first rotating piece; the other end of the first rotating piece is connected with the second rotating piece; the second rotating member is connected with the release.
Optionally, the first rotating member comprises a central shaft and a sleeve; the sleeve is rotatably sleeved on the central shaft; a first transmission plate and a second transmission plate are arranged on the side surface of the sleeve; one end of the first transmission plate is connected with the rotating sheet; one end of the second transmission plate is connected with the second rotating member.
Optionally, the second rotating member comprises a main lever, a third transmission plate and a fourth transmission plate; the third transmission plate and the fourth transmission plate are respectively arranged at two ends of the main rod; the third transmission plate is connected with the other end of the second transmission plate; the fourth transmission plate is connected with the release.
Optionally, the trip unit comprises a conductive rod, a trip unit housing and a compression spring; the conducting rod is embedded in the shell of the release, one end of the conducting rod is fixedly connected with one end of the compression spring, and the other end of the conducting rod is abutted against the fourth transmission plate; the other end of the compression spring is fixedly connected with the outer surface of the release.
Optionally, a housing; the housing comprises a first cavity and a second cavity; the transition gear, the input gear and the coil spring gear are all fixedly arranged on the cavity wall of the first cavity; the first transmission rod penetrates through the first cavity and the second cavity; the rocker assembly, the transmission assembly and the release are all fixedly arranged in the second cavity.
Optionally, the surface of the housing is provided with a plurality of water chutes.
Optionally, one side of the coil spring gear is provided with a coil spring mounting housing in which the coil spring is fixedly disposed.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the vacuum circuit breaker with coil spring have one of following technological effect at least: driving motor input power to input gear makes input gear rotate and drives transition gear and coil spring gear revolve to drive the coil spring and rotate, after the swing piece counterbalance of coil spring pivoted slider and first transfer line, first transfer line blockked the coil spring rotation with the swing piece jointly, the coil spring takes place deformation and takes place the energy storage, vacuum circuit breaker realizes closing a floodgate, when the coil spring takes place to release energy, vacuum circuit breaker then can realize separating brake. The coil spring can effectively store and release energy, is difficult to elastically lose efficacy compared with the spring, and can ensure the normal operation of switching on and switching off of the vacuum circuit breaker.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic diagram of an overall structure of a vacuum circuit breaker having a coil spring according to an embodiment of the present invention;
fig. 2 is a schematic view of another structure of a vacuum circuit breaker having a coil spring according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a spiral spring gear according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rocker assembly according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
Arc slide 233 slide 2311 coil spring mounting shell 232
Rocker 320 first crankshaft 330 second crankshaft 340
Sleeve 442 first drive plate 443 second drive plate 444
The main lever 451 of the second rotating member 450 and the third transmission plate 452
The fourth drive plate 453 trip 500 conductive rod 510
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description of the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; 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 embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In some embodiments of the present invention, as shown in fig. 1 to 4, there is provided a vacuum circuit breaker having a coil spring, including a driving motor 100, a gear assembly 200, a rocker assembly 300, a transmission assembly 400, and a trip 500 connected in sequence. The gear assembly 200 includes a transition gear 210, an input gear 220, a coil spring gear 230, and a first transfer lever 240. The transition gear 210 is engaged with the input gear 220 and the disc spring gear 230, respectively. The input gear 220 is connected to an output shaft of the driving motor 100. The spiral spring gear 230 is provided with an arc-shaped slide way, a spiral spring 231 is installed on one side of the spiral spring gear 230, and the first transmission rod 240 is sleeved with the spiral spring gear 230 and the spiral spring 231. The shaft of the first transmission lever 240 is provided with a swing block 241. A slider 2311 which slides back and forth along the arc-shaped slide 233 is fixedly arranged at one side of the coil spring 231.
The driving motor 100 inputs power to the input gear 200, so that the input gear 200 rotates and drives the transition gear 210 and the coil spring gear 230 to rotate, thereby driving the coil spring 231 to rotate, after the slider rotating along with the coil spring 231 abuts against the swinging block 241 of the first transmission rod, the first transmission rod 240 and the swinging block 241 block the coil spring 231 to rotate together, the coil spring 231 is deformed to store energy, the vacuum circuit breaker is switched on, and when the coil spring 231 is released, the vacuum circuit breaker can be switched off. The coil spring 231 can effectively store and release energy, is not easy to generate elastic failure compared with a spring, and can ensure normal switching-on and switching-off of the vacuum circuit breaker.
In other embodiments of the present invention, as shown in fig. 3, the coil spring 231 is fixedly provided with an external spline 250 at the center. The first transmission rod 240 is fixedly provided with an internal spline 260 on the shaft. The male spline 250 and the female spline 260 are engaged with each other. The male spline 250 and the female spline 260 are engaged with each other, and can uniformly transmit torque and bear a large load generated when the disc spring 231 is deformed.
In other embodiments of the present invention, as shown in fig. 4, the rocker assembly 300 includes a connecting sheath 310, a rocker 320, a first crankshaft 330, and a second crankshaft 340. The connection sheath 310 is inserted through the rocker 320, the first crankshaft 330 and the second crankshaft 340. One side surface of the first crankshaft 330 is fixedly connected to one end of the first transmission rod 240. One end surface of the second crankshaft 340 is connected to the transmission assembly 400. The first transmission rod 240 rotates to drive the first crankshaft 330 to rotate, the rocker 320 reciprocates up and down, so that the second crankshaft 340 rotates, and the transmission assembly 400 is driven by the second crankshaft 340 to operate.
In other embodiments of the present invention, as shown in fig. 1, the driving assembly 400 includes a second driving rod 410, a disk 420, a rotating plate 430, a first rotating member 440, and a second rotating member 450. One end of the second transmission rod 410 is fixedly connected to one end surface of the second crankshaft 340, and the second transmission rod 410 is inserted into the disc 420. A plurality of bosses are fixedly arranged on two side surfaces of the disc 420. When the disc 420 rotates along with the second transmission rod 410, the boss pushes the rotation piece 430 to rotate. The rotation piece 430 is coupled to one end of the first rotation member 440. The other end of the first rotating member 440 is connected to the second rotating member 450. The second rotating member 450 is connected to the trip unit 500.
The second crankshaft 340 rotates to drive the second transmission rod 410 to rotate, and the disc 420 rotates along with the second transmission rod. When the disk 420 rotates, the bosses disposed on both sides of the disk 420 contact the rotating pieces 430 and push the rotating pieces 430 to rotate. In the process of rotating the rotating piece 430, the first rotating member 440 is pushed to rotate, and finally the second rotating member 450 is rotated, and the second rotating member 450 is connected to or separated from the trip device 500, so as to complete the switching-on or switching-off operation.
In other embodiments of the present invention, as shown in fig. 2, the first rotating member 440 includes a central shaft 441 and a sleeve 442. The sleeve 442 is rotatably sleeved on the central shaft 441. The sleeve 442 is provided at a side thereof with a first driving plate 443 and a second driving plate 444. One end of the first transmission plate 443 is coupled to the rotating piece 430. One end of the second transmission plate 444 is connected to the second rotation member 450. The sleeve 442 rotates around the center axis 441, and the first transmission plate 443 and the second transmission plate 444 oscillate according to the rotation of the sleeve 442, thereby rotating the second rotating member 450.
In other embodiments of the present invention, as shown in fig. 2, the second rotating member 450 includes a main lever 451, a third driving plate 452, and a fourth driving plate 453. The third and fourth driving plates 452 and 453 are respectively disposed at both ends of the main lever 451. The third driving plate 452 is connected to the other end of the second driving plate 444. The fourth driving plate 453 is connected to the trip unit 500. The third driving plate 452 is driven by the first rotating member 440 to rotate the main lever 451, and the fourth driving plate 453 rotates along with the main lever 451 to be connected to the trip 500, thereby closing the vacuum circuit breaker. When the third driving plate 452 no longer receives the driving force from the second driving plate 444, the trip unit 500 is separated from the fourth driving plate 453, and the opening of the vacuum circuit breaker is realized.
In other embodiments of the present invention, as shown in fig. 1-2, the trip unit 500 includes a conductive rod 510, a trip unit housing 520, and a compression spring 530. The conductive rod 510 is embedded in the release housing 520, one end of the conductive rod 510 is fixedly connected to one end of the compression spring 530, and the other end of the conductive rod 510 abuts against the fourth transmission plate 453. The other end of the compression spring 530 is fixedly connected to the outer surface of the trip unit 500. When the door is closed, the fourth driving plate 453 abuts against one end of the conductive rod 510 to compress the compression spring 530. When the brake is opened, the compression spring 530 is restored and springs open the driving plate.
In other embodiments of the present invention, as shown in fig. 1-2, the housing 600 includes a first cavity 610 and a second cavity 620. The transition gear 210, the input gear 220 and the spiral spring gear 230 are all fixedly arranged on the cavity wall of the first cavity 610. The first driving rod 240 penetrates through the first cavity 610 and the second cavity 620. The rocker assembly 300, the transmission assembly 400 and the trip unit 500 are all fixedly disposed in the second cavity 620.
In other embodiments of the present invention, as shown in fig. 1, the surface of the housing 600 is provided with a plurality of water chutes 630. The water chute 630 can collect rainwater, which is beneficial for the rainwater to flow down from the surface of the shell 600, and enhances the waterproof performance.
In other embodiments of the present invention, as shown in fig. 1 and 3, a coil spring mounting case 232 is disposed at one side of the coil spring gear 230, and the coil spring is fixedly disposed in the coil spring mounting case 232. The disc spring mounting housing 232 protects the disc spring.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. A vacuum circuit breaker with a coil spring comprises a driving motor, a gear assembly, a rocker assembly, a transmission assembly and a release which are sequentially connected; the gear assembly is characterized by comprising a transition gear, an input gear, a coil spring gear and a first transmission rod; the transition gear is respectively meshed with the input gear and the spiral spring gear; the input gear is connected with an output shaft of the driving motor; the spiral spring gear is provided with an arc-shaped slide way, a spiral spring is mounted on one side of the spiral spring gear, and the spiral spring gear and the spiral spring are sleeved on the first transmission rod; a swinging block is fixedly arranged on the rod body of the first transmission rod; and a sliding block which slides along the arc-shaped slide rail in a reciprocating manner is fixedly arranged on one side of the coil spring.
2. The vacuum circuit breaker having a coil spring as claimed in claim 1, wherein an external spline is fixedly installed at a center of the coil spring; an inner spline is fixedly arranged on the rod body of the first transmission rod; the external splines and the internal splines are engaged with each other.
3. The vacuum circuit breaker with a coil spring as claimed in claim 1 or 2, wherein the rocker assembly includes a connection sheath, a rocker, a first crank and a second crank; the connecting sheath penetrates through the rocker, the first crankshaft and the second crankshaft; one side surface of the first crankshaft is fixedly connected with one end of the first transmission rod; and one end face of the second crankshaft is connected with the transmission assembly.
4. The vacuum circuit breaker with a coil spring as claimed in claim 3, wherein the transmission assembly includes a second transmission lever, a disk, a rotation piece, a first rotation member and a second rotation member; one end of the second transmission rod is fixedly connected with one end face of the second crankshaft, and the second transmission rod penetrates through the disc; a plurality of bosses are fixedly arranged on two side surfaces of the disc; when the disc rotates along with the second transmission rod, the lug boss pushes the rotating piece to rotate; the rotating piece is connected with one end of the first rotating piece; the other end of the first rotating piece is connected with the second rotating piece; the second rotating piece is connected with the release.
5. The vacuum circuit breaker with a coil spring as claimed in claim 4, wherein said first rotating member includes a central shaft and a sleeve; the sleeve is rotatably sleeved on the central shaft; a first transmission plate and a second transmission plate are arranged on the side surface of the sleeve; one end of the first transmission plate is connected with the rotating sheet; one end of the second transmission plate is connected with the second rotating member.
6. The vacuum circuit breaker with a coil spring as claimed in claim 5, wherein the second rotating member includes a main lever, a third transmission plate and a fourth transmission plate; the third transmission plate and the fourth transmission plate are respectively arranged at two ends of the main rod; the third transmission plate is connected with the other end of the second transmission plate; the fourth transmission plate is connected with the release.
7. The vacuum circuit breaker with a coil spring as claimed in claim 6, wherein said trip unit includes a conductive rod, a trip unit housing and a compression spring; the conducting rod is embedded in the shell of the release, one end of the conducting rod is fixedly connected with one end of the compression spring, and the other end of the conducting rod is abutted against the fourth transmission plate; the other end of the compression spring is fixedly connected with the outer surface of the release.
8. The vacuum circuit breaker with a coil spring as claimed in claim 1 or 2, comprising a housing; the housing comprises a first cavity and a second cavity; the transition gear, the input gear and the spiral spring gear are all fixedly arranged on the cavity wall of the first cavity; the first transmission rod penetrates through the first cavity and the second cavity; the rocker assembly, the transmission assembly and the release are all fixedly arranged in the second cavity.
9. The vacuum circuit breaker with a coil spring as claimed in claim 8, wherein a surface of the case is provided with a plurality of water guide grooves.
10. The vacuum circuit breaker with a coil spring as claimed in claim 1 or 2, wherein one side of the coil spring gear is provided with a coil spring mounting case in which the coil spring is fixedly disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554690.5U CN217881300U (en) | 2022-03-14 | 2022-03-14 | Vacuum circuit breaker with coil spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554690.5U CN217881300U (en) | 2022-03-14 | 2022-03-14 | Vacuum circuit breaker with coil spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217881300U true CN217881300U (en) | 2022-11-22 |
Family
ID=84084869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220554690.5U Active CN217881300U (en) | 2022-03-14 | 2022-03-14 | Vacuum circuit breaker with coil spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217881300U (en) |
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2022
- 2022-03-14 CN CN202220554690.5U patent/CN217881300U/en active Active
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Address after: 516000 beside the toll station of expressway in Taimei Town, Boluo County, Huizhou City, Guangdong Province Patentee after: Guangdong Wanjiang Electric Power Engineering Co.,Ltd. Country or region after: China Address before: 516000 kuiling group, Xintang village, Taimei Town, BOLUO County, Huizhou City, Guangdong Province (next to the exit of Taimei Expressway) Patentee before: Huizhou Wanjiang power installation Co.,Ltd. Country or region before: China |