CN107749366B - Transmission mechanism of high-voltage combined electrical apparatus - Google Patents
Transmission mechanism of high-voltage combined electrical apparatus Download PDFInfo
- Publication number
- CN107749366B CN107749366B CN201711151015.8A CN201711151015A CN107749366B CN 107749366 B CN107749366 B CN 107749366B CN 201711151015 A CN201711151015 A CN 201711151015A CN 107749366 B CN107749366 B CN 107749366B
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- Prior art keywords
- brake
- brake separating
- separating
- connecting rod
- fuse
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 210000000078 claw Anatomy 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/12—Adaptation for built-in fuse
Abstract
The invention discloses a transmission mechanism of a high-voltage combined electrical appliance, which comprises a shell, wherein an electric brake-separating transmission assembly, a manual brake-separating transmission assembly, a fuse striker brake-separating transmission assembly and a brake-separating realization assembly are arranged in the shell, the brake-separating realization assembly comprises a bottom plate, a brake-separating spring, a brake-separating plate, a moving contact and a fixed contact corresponding to the moving contact, a mounting frame is fixed on the bottom plate, the brake-separating plate and a holding mechanism for holding the moving contact and the fixed contact in touch are rotatably arranged on the mounting frame, the brake-separating spring is connected below the left side end of the brake-separating plate, the bottom end of the brake-separating spring is connected with the bottom plate, and the right side end of the brake-separating plate is connected with the moving contact in the shell through a connecting mechanism. The invention has reasonable structural design, realizes that each brake separating transmission assembly acts on the same brake separating realization assembly, has better mutual cooperation and cooperation of each brake separating transmission assembly and has simpler transmission structure.
Description
Technical Field
The invention relates to the technical field of high-voltage combined electrical appliances, in particular to a transmission mechanism of a high-voltage combined electrical appliance.
Background
The transmission mechanism of the high-voltage-class combined electrical appliance can be functionally decomposed into an electric switching-on transmission system, an electric switching-off transmission system, a manual switching-off transmission system and a fuse striker switching-off transmission system, and the different transmission systems are mutually independent and mutually cooperated. The electric switching-on transmission system and the electric switching-off transmission system drive the transmission system to actuate the transmission system by converting electric energy into electromagnetic energy so as to open or close a main contact of the combined electrical appliance; the manual opening transmission system drives the transmission system in a manual operation mode and actuates the transmission system to emergently disconnect a main contact of the combined electrical appliance; the fuse striker opening transmission system triggers the transmission system and actuates the transmission system to open the main contact of the combined electrical apparatus after the striker acts.
Although the currently known gear mechanisms fulfil to some extent the switching-on and switching-off functions of the combined electrical apparatus, they are not entirely satisfactory in terms of performance and manufacturing costs.
At present, an electric brake separating transmission system, a manual brake separating transmission system and a fuse striker brake separating transmission system are often designed in an independent design and independent assembly mode, the mutual cooperation and the cooperation are not good enough, and the increase of the number of parts leads to the increase of manufacturing cost.
The fuse striker brake-separating transmission system often adopts a design scheme that a plurality of parts are pressed and matched with a torsion spring for resetting, and the defects of complex assembly and low reliability exist in application.
Disclosure of Invention
The invention aims to provide a transmission mechanism of a high-voltage combined electrical appliance, which is better in cooperation and cooperation of an electric brake-separating transmission system, a manual brake-separating transmission system and a fuse striker brake-separating transmission system, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a high-voltage combined electrical apparatus's drive mechanism, includes the casing, be provided with electronic brake transmission subassembly, manual brake transmission subassembly, fuse striker brake transmission subassembly and brake realization subassembly in the casing, brake realization subassembly includes bottom plate, brake spring, brake block, moving contact and the fixed contact that corresponds with the moving contact, be fixed with the mounting bracket on the bottom plate, rotate on the mounting bracket and install brake block and be used for keeping moving contact and the retaining mechanism that the fixed contact kept touching, brake block left side end below is connected with brake spring, brake spring bottom and bottom plate connection, brake block right side end is connected with the moving contact in the casing through coupling mechanism; the retaining mechanism comprises a retaining arm which is hinged on the mounting frame, the lower end of the dividing plate is rotatably connected in the shell through a rotating shaft, and the retaining arm is provided with a buckling claw for buckling the rotating shaft; the upper end face of the bottom plate is rotatably provided with a brake separating rotating plate through a brake separating rotating pin, the brake separating rotating plate is connected with the lower end of the retaining arm through a connecting rod, and the brake separating rotating plate is respectively in driving connection with an electric brake separating transmission assembly, a manual brake separating transmission assembly and a fuse striker brake separating transmission assembly.
As a further scheme of the invention: the connecting mechanism comprises a transmission rod with the end part hinged with the right side end of the partial flashboard and a connecting arm with the end part connected with the moving contact, and the transmission rod is hinged with the connecting arm.
As a further scheme of the invention: the connecting rod is sleeved with a reset spring positioned between the mounting frame and the holding arm, one end of the reset spring is propped against the mounting frame, and the other end of the reset spring is propped against the holding arm.
As a further scheme of the invention: the end part of the connecting rod is hinged with the lower end of the retaining arm.
As a further scheme of the invention: the link ends pass through the lower ends of the retaining arms and the link heads are locked by nuts.
As a further scheme of the invention: the right end of the connecting rod is provided with a pull head which is connected with the brake separating rotating plate in a matched mode.
As a further scheme of the invention: the electric brake separating transmission assembly comprises an electromagnetic thrust element positioned on the outer side of the brake separating rotating plate, wherein the electromagnetic thrust element comprises a coil support, a coil wound on the coil support and a movable iron core arranged in the coil support and used for pushing the brake separating rotating plate.
As a further scheme of the invention: the manual brake-separating transmission assembly comprises a manual push rod for pushing the brake-separating rotating plate to rotate.
As a further scheme of the invention: the fuse striker brake separating transmission assembly comprises a fuse support, a driving connecting rod and a fuse, wherein the fuse is rotationally connected with a striker turning hook on the fuse support and is arranged on the fuse support and is abutted against the striker turning hook, a shackle corresponding to the striker turning hook is arranged at the upper end of the driving connecting rod, a fuse driving rotating shaft arranged in a shell is arranged at the outer side of the lower end of the driving connecting rod, an integrated connecting rod turning arm and a driving turning arm are rotationally arranged on the fuse driving rotating shaft, the connecting rod turning arm is hinged with the lower end of the driving connecting rod, a push rod arranged in the shell is arranged on the inner side of the driving turning arm, and the push rod is aligned with the brake separating rotating plate.
Compared with the prior art, the invention has the beneficial effects that: the electric brake separating and driving assembly is provided with a brake separating and realizing assembly, the output end of the electric brake separating and driving assembly or the output end of the manual brake separating and driving assembly or the output end of the fuse striker brake separating and driving assembly can act on the same brake separating and realizing assembly, the brake separating of the moving contact and the fixed contact is realized under the action of the brake separating spring through the brake separating and realizing assembly, each brake separating and driving assembly acts on the same brake separating and realizing assembly, the mutual cooperation of each brake separating and driving assembly is better, and the driving structure is simpler.
Drawings
FIG. 1 is a schematic diagram of a transmission mechanism of a high-voltage combined electrical apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view of the transmission mechanism of the high voltage electrical apparatus of the present invention;
fig. 3 is a schematic view showing the structure of the installation of the holding arm in the driving mechanism of the high-voltage assembled device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a drive mechanism of high-voltage combined electrical apparatus, includes the casing, be provided with electronic brake release drive assembly, manual brake release drive assembly, fuse striker brake release drive assembly and brake release realization subassembly in the casing, brake release realization subassembly includes bottom plate, brake release spring 1, rotates the brake release board 2, moving contact 3 and the fixed contact 6 that corresponds with moving contact 3 of installing in the casing, be fixed with mounting bracket 9 on the bottom plate, rotate the holding mechanism who installs and be used for keeping moving contact 3 and fixed contact 6 keep touching on the mounting bracket 9, brake release spring 1 is connected with to brake release spring 2 left side end below, brake release spring 1 bottom is connected with the bottom plate, brake release board 2 right side end is connected with moving contact 3 in the casing through coupling mechanism; under the action of the holding mechanism, the brake separating plate 2 overcomes the elasticity of the brake separating spring 1, the right side end of the brake separating plate 2 is tilted upwards, and at the moment, the moving contact 3 is contacted with the fixed contact 6; when the separating plate 2 is separated from the holding mechanism, the separating plate 2 rotates under the action of the separating spring 1, and the right side end of the separating plate 2 descends to drive the moving contact 3 to be separated from the static contact 6.
The retaining mechanism comprises a retaining arm 8 which is hinged on a mounting frame 9, the lower end of the dividing plate 2 is rotatably connected in the shell through a rotating shaft 7, and a buckling claw 10 for buckling the rotating shaft 7 is arranged on the retaining arm 8; the upper end face of the bottom plate is rotatably provided with a brake separating rotating plate 11 through a brake separating rotating pin 13, the brake separating rotating plate 11 is connected with the lower end of the holding arm 8 through a connecting rod 12, and the brake separating rotating plate 11 is respectively in driving connection with an electric brake separating transmission assembly, a manual brake separating transmission assembly and a fuse striker brake separating transmission assembly. After the output end of the electric brake separating transmission assembly, the manual brake separating transmission assembly and the fuse striker brake separating transmission assembly act on the brake separating rotating plate 11, the retaining mechanism does not act on the brake separating plate 2 any more, the brake separating plate 2 rotates under the action of the brake separating spring 1 at the moment, and the head of the brake separating plate 2 descends to drive the moving contact 3 to be separated from the fixed contact 6, so that brake separating is realized.
The rotation axes of the holding arms 8 and the rotation axes of the separating gate plates 2 are transversely arranged and parallel, the rotation axes of the holding arms 8 are located above the rotation axes of the separating gate plates 2, the holding arms 8 can buckle the rotation shaft 7 from the lower part of the rotation shaft 7 after rotating the buckling claws 10, at the moment, the holding arms 8 hold the separating gate plates 2, and when the buckling claws 10 of the holding arms 8 do not buckle the rotation shaft 7 any more after rotating, the separating gate plates 2 realize separating gate actions under the action of the separating gate springs 1.
Preferably, the connecting mechanism comprises a transmission rod 5 with the end part hinged with the right side end of the part flashboard 2 and a connecting arm 4 with the end part connected with the movable contact 3, and the transmission rod 5 is hinged with the connecting arm 4.
Preferably, a return spring 14 is sleeved on the connecting rod 12 and is positioned between the mounting frame 9 and the holding arm 8, one end of the return spring 14 is propped against the mounting frame 9, the other end of the return spring 14 is propped against the holding arm 8, and the return of the holding arm 8 is facilitated under the action of the return spring 14 after the brake separating action is completed; the end part of the connecting rod 12 can be hinged with the lower end of the holding arm 8; the end of the connecting rod 12 can also pass through the lower end of the holding arm 8 and the head of the connecting rod 12 is locked by a nut. The connecting rod 12 and the holding arm 8 adopt a movable connection structure, so that the mechanism can run more smoothly.
Wherein, the right end of the connecting rod 12 is provided with a pull head 15 which is connected with the brake separating rotating plate 11 in a matching way. The right end of the connecting rod 12 passes through the brake separating rotating plate 11, so that the pull head 15 is positioned at the outer side of the brake separating rotating plate 11, and when the brake separating rotating plate 11 rotates, the connecting rod 12 is driven by the pull head 15 to move so as to pull the holding arm 8 to rotate, thereby realizing brake separating.
Preferably, the electric brake separating transmission assembly comprises an electromagnetic thrust element 16 positioned outside the brake separating rotating plate 11, wherein the electromagnetic thrust element 16 comprises a coil bracket, a coil wound on the coil bracket and a movable iron core 17 arranged in the coil bracket and used for pushing the brake separating rotating plate 11. After the coil is electrified, the movable iron core 17 pushes the brake separating rotating plate 11 to rotate, so that brake separating is realized.
The manual brake-separating transmission assembly comprises a manual push rod for pushing the brake-separating rotating plate to rotate. The manual push rod pushes the brake separating rotary plate 11 to rotate, so that brake separating is realized.
The fuse striker brake separating transmission assembly comprises a fuse bracket, a driving connecting rod 20, a striker turning hook 19 rotationally connected to the fuse bracket and a fuse 18 arranged on the fuse bracket and abutting against the striker turning hook 19, a hook ring corresponding to the striker turning hook 19 is arranged at the upper end of the driving connecting rod 20, a fuse driving rotating shaft 21 arranged in a shell is arranged at the outer side of the lower end of the driving connecting rod 20, a connecting rod turning arm 22 and a driving turning arm 23 which are integrally arranged on the fuse driving rotating shaft 21 in a rotating mode are hinged to the lower end of the driving connecting rod 20, a push rod 24 arranged in the shell is arranged at the inner side of the driving turning arm 23, and the push rod 24 is aligned with the brake separating rotating plate 11. When the fuse 18 is fused, the striker turning hook 19 is pushed to rotate upwards, so that the driving connecting rod 20 is driven to move upwards, the fuse driving rotating shaft 21 is driven to rotate through the connecting rod turning arm 22, the driving turning arm 23 is further driven to rotate, the push rod 24 is pushed through the driving turning arm 23, and the brake separating rotating plate 11 is pushed to rotate through the push rod 24, so that brake separating is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a drive mechanism of high-voltage combined electrical apparatus, includes casing, its characterized in that: the electric brake separating transmission assembly, the manual brake separating transmission assembly, the fuse breaker brake separating transmission assembly and the brake separating realization assembly are arranged in the shell, the brake separating realization assembly comprises a bottom plate, a brake separating spring, a brake separating plate, a moving contact and a fixed contact corresponding to the moving contact, a mounting frame is fixed on the bottom plate, the brake separating plate and a holding mechanism for holding the moving contact and the fixed contact in touch are rotatably arranged on the mounting frame, the brake separating spring is connected below the left side end of the brake separating plate, the bottom end of the brake separating spring is connected with the bottom plate, and the right side end of the brake separating plate is connected with the moving contact in the shell through a connecting mechanism; the retaining mechanism comprises a retaining arm which is hinged on the mounting frame, the lower end of the dividing plate is rotatably connected in the shell through a rotating shaft, and the retaining arm is provided with a buckling claw for buckling the rotating shaft; the upper end face of the bottom plate is rotatably provided with a brake separating rotating plate through a brake separating rotating pin, the brake separating rotating plate is connected with the lower end of the retaining arm through a connecting rod, the connecting rod and the retaining arm adopt a movable connection structure, and the brake separating rotating plate is respectively in driving connection with an electric brake separating transmission assembly, a manual brake separating transmission assembly and a fuse striker brake separating transmission assembly.
2. The transmission mechanism of the high-voltage combined electrical apparatus according to claim 1, wherein: the connecting mechanism comprises a transmission rod with the end part hinged with the right side end of the partial flashboard and a connecting arm with the end part connected with the moving contact, and the transmission rod is hinged with the connecting arm.
3. The transmission mechanism of the high-voltage combined electrical apparatus according to claim 1, wherein: the connecting rod is sleeved with a reset spring positioned between the mounting frame and the holding arm, one end of the reset spring is propped against the mounting frame, and the other end of the reset spring is propped against the holding arm.
4. A transmission mechanism for a high voltage electrical apparatus as claimed in claim 3, wherein: the end part of the connecting rod is hinged with the lower end of the retaining arm.
5. A transmission mechanism for a high voltage electrical apparatus as claimed in claim 3, wherein: the link ends pass through the lower ends of the retaining arms and the link heads are locked by nuts.
6. A transmission mechanism for a high voltage electrical apparatus as claimed in claim 3, wherein: the right end of the connecting rod is provided with a pull head which is connected with the brake separating rotating plate in a matched mode.
7. The transmission mechanism of the high-voltage combined electrical apparatus according to claim 1, wherein: the electric brake separating transmission assembly comprises an electromagnetic thrust element positioned on the outer side of the brake separating rotating plate, wherein the electromagnetic thrust element comprises a coil support, a coil wound on the coil support and a movable iron core arranged in the coil support and used for pushing the brake separating rotating plate.
8. The transmission mechanism of the high-voltage combined electrical apparatus according to claim 1, wherein: the manual brake-separating transmission assembly comprises a manual push rod for pushing the brake-separating rotating plate to rotate.
9. The transmission mechanism of the high-voltage combined electrical apparatus according to claim 1, wherein: the fuse striker brake separating transmission assembly comprises a fuse support, a driving connecting rod and a fuse, wherein the fuse is rotationally connected with a striker turning hook on the fuse support and is arranged on the fuse support and is abutted against the striker turning hook, a shackle corresponding to the striker turning hook is arranged at the upper end of the driving connecting rod, a fuse driving rotating shaft arranged in a shell is arranged at the outer side of the lower end of the driving connecting rod, an integrated connecting rod turning arm and a driving turning arm are rotationally arranged on the fuse driving rotating shaft, the connecting rod turning arm is hinged with the lower end of the driving connecting rod, a push rod arranged in the shell is arranged on the inner side of the driving turning arm, and the push rod is aligned with the brake separating rotating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151015.8A CN107749366B (en) | 2017-11-18 | 2017-11-18 | Transmission mechanism of high-voltage combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151015.8A CN107749366B (en) | 2017-11-18 | 2017-11-18 | Transmission mechanism of high-voltage combined electrical apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749366A CN107749366A (en) | 2018-03-02 |
| CN107749366B true CN107749366B (en) | 2024-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711151015.8A Active CN107749366B (en) | 2017-11-18 | 2017-11-18 | Transmission mechanism of high-voltage combined electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107749366B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0570647A1 (en) * | 1992-05-13 | 1993-11-24 | Hager Electro S.A. | Switch latch for a circuit breaker and circuit breakers incorporating it |
| CN103441006A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Electromagnetic operating mechanism for vacuum contactor-fuse combined electric appliance |
| CN105161351A (en) * | 2015-08-11 | 2015-12-16 | 成都交大川电科技有限公司 | Vacuum circuit breaker |
| CN106504919A (en) * | 2016-10-19 | 2017-03-15 | 平高集团有限公司 | A kind of device for switching and its spring operating mechanism |
| CN207503860U (en) * | 2017-11-18 | 2018-06-15 | 库柏(宁波)电气有限公司 | A kind of transmission mechanism of high-voltage combined electrical apparatus |
-
2017
- 2017-11-18 CN CN201711151015.8A patent/CN107749366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0570647A1 (en) * | 1992-05-13 | 1993-11-24 | Hager Electro S.A. | Switch latch for a circuit breaker and circuit breakers incorporating it |
| CN103441006A (en) * | 2013-08-06 | 2013-12-11 | 江苏森源电气股份有限公司 | Electromagnetic operating mechanism for vacuum contactor-fuse combined electric appliance |
| CN105161351A (en) * | 2015-08-11 | 2015-12-16 | 成都交大川电科技有限公司 | Vacuum circuit breaker |
| CN106504919A (en) * | 2016-10-19 | 2017-03-15 | 平高集团有限公司 | A kind of device for switching and its spring operating mechanism |
| CN207503860U (en) * | 2017-11-18 | 2018-06-15 | 库柏(宁波)电气有限公司 | A kind of transmission mechanism of high-voltage combined electrical apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107749366A (en) | 2018-03-02 |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Qingrui Inventor after: Zhou Wen Inventor after: Hu Biao Inventor after: Yang He Inventor after: Liu Feng Inventor after: Ying Ying Inventor after: Zou Wenge Inventor before: Zhou Wen Inventor before: Hu Biao Inventor before: Yang He Inventor before: Liu Feng |
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