CN113611553B - Operating mechanism of dual-power change-over switch and dual-power change-over switch - Google Patents
Operating mechanism of dual-power change-over switch and dual-power change-over switch Download PDFInfo
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- CN113611553B CN113611553B CN202110913636.5A CN202110913636A CN113611553B CN 113611553 B CN113611553 B CN 113611553B CN 202110913636 A CN202110913636 A CN 202110913636A CN 113611553 B CN113611553 B CN 113611553B
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- 238000004146 energy storage Methods 0.000 claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 241000219469 Nyctaginaceae Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an operating mechanism of a dual-power change-over switch, wherein a first driving groove and a second driving groove are respectively arranged on two sides of a driving piece, the first driving groove and the second driving groove are staggered on the end face and are mutually disjoint in the axial depth of the driving piece, one end of the first driving groove pushes a first guide rod to rotate in a first sliding rail, after a first spring energy storage driving mechanism passes a dead point, the first spring energy storage driving mechanism drives the first guide rod to continuously move towards the other end of the first driving groove and pushes a first driving disc to rotate, one end of the second driving groove pushes the second guide rod to rotate in a second sliding rail, and after the second spring energy storage driving mechanism passes the dead point, the second spring energy storage driving mechanism drives the second guide rod to continuously move towards the other end of the second driving groove and pushes the second driving disc to rotate, and the first driving disc and the second driving disc jointly drive a square shaft to rotate. The invention has the characteristics of manual operation, electromagnetic driving and convenient expansion of breaking unit modules.
Description
Technical Field
The invention relates to an operating mechanism of a dual-power transfer switch and the dual-power transfer switch comprising the operating mechanism.
Background
The action speed of the operating mechanism of the double-power change-over switch is related to the electrical performance of the double-power change-over switch, the faster the action speed is, the faster the contact is opened and closed, the harm of the generated electric arc can be reduced to a lower degree, and the good contact and breaking of the contact in a breaking unit of the double-power change-over switch are effectively ensured. In the invention patent application publication number CN 110444416a, "driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch", the driving mechanism includes a first link assembly and a second link assembly that move between a closing position and a breaking position, and when the first link assembly and the second link assembly are respectively in their closing position and breaking position, the first moving contact assembly and the second moving contact assembly corresponding to them are also respectively in their closing position and breaking position. Here, the length of the first link assembly and the second link assembly is determined by the number of poles of the power supply in the dual power conversion switch. The specifications of the products are different, and the connecting rod assemblies cannot be mutually compatible. In addition, the first driving part and the second driving part are respectively positioned at the outer sides of the ends of the first spring energy storage driving mechanism and the second spring energy storage driving mechanism, the input external driving force can only act on the first driving part and the second driving part through the main shaft, an electromagnetic driving force can not be added, and the operation mode is single.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an operating mechanism and a dual power conversion switch that can be operated manually, electromagnetically, and has a compact structure, and that can facilitate expansion of a dual power conversion switch that divides a unit module according to the number of poles of an electric power source.
In order to achieve the above purpose, the operating mechanism of the dual-power change-over switch comprises a driving piece, a first spring energy storage driving mechanism and a second spring energy storage driving mechanism which are respectively arranged at two sides of the driving piece and respectively connected with the first spring energy storage driving mechanism, a first guide rod and a second guide rod of the second spring energy storage driving mechanism in a transmission mode, a first driving groove and a second driving groove are respectively arranged at two sides of the driving piece, the first driving groove and the second driving groove are staggered on the end face and are mutually disjoint in the axial depth of the driving piece, the first guide rod penetrates through a first sliding rail to extend into the first driving groove, the second guide rod penetrates through a second sliding rail to extend into the second driving groove, one end of the first driving groove pushes the first guide rod to rotate in the first sliding rail, after the first spring energy storage driving mechanism passes through the first spring energy storage driving mechanism, the first spring energy storage driving mechanism drives the first guide rod to continuously move towards the other end of the first driving groove and push the first driving disc to rotate, the first guide rod pushes the second guide rod to continuously rotate towards the second driving disc, and the second guide rod drives the second guide rod to rotate towards the second driving disc to rotate, and the second guide disc rotates towards the second end of the second driving disc.
Particularly, the operating mechanism of the dual-power transfer switch comprises a first electromagnet and a second electromagnet, wherein the driving piece is positioned on one side of a first driving groove, a first closing lug and a second opening lug are arranged along the periphery of the driving piece, the driving piece is positioned on one side of the second driving groove, a second closing lug and a first opening lug are arranged along the periphery of the driving piece, a first guide plate is arranged at the tail end of a movable iron core of the first electromagnet, a second guide plate is arranged at the tail end of a movable iron core of the second electromagnet, the first guide plate acts on the first opening lug or the second closing lug to enable the driving piece to rotate anticlockwise, the second guide plate acts on the first closing lug or the second opening lug to enable the driving piece to rotate clockwise, the first closing lug and the first opening lug are used for switching on and off of a first power supply, and the second closing lug and the second opening lug are used for switching on and off of a second power supply.
Particularly, the first guide plate and the second guide plate have the same avoidance structure, the first guide plate and the second guide plate are respectively hinged to the tail end of the movable iron core of the first electromagnet and the tail end of the movable iron core of the second electromagnet, a slope is arranged at one side, facing the driving piece, of the tail end of the movable iron core of the first electromagnet and the tail end of the movable iron core of the second electromagnet, the rear ends of the first guide plate and the second guide plate are fixed on the respective movable iron cores through tension springs, the first guide plate and the second guide plate do overturning motion on the step surfaces and the slopes of the corresponding movable iron cores, guide slopes are arranged at the front ends of the first guide plate and the second guide plate, and the front guide slopes of the first guide plate and the second guide plate respectively form revolution avoidance with the second closing bumps and the first closing bumps.
Particularly, the first closing convex block, the second closing convex block, the first opening convex block and the second opening convex block are sequentially arranged and are respectively positioned in the ten-o-clock direction, the two-o-clock direction, the four-o-clock direction and the eight-o-clock direction on a horizontal plane parallel to the end face. Through the reasonable arrangement, the double-division single-combination logic is unified, and the action is accurate.
Particularly, the end of the square shaft is provided with a rotating disc, the rotating disc is provided with a driving rod, the operating mechanism of the dual-power transfer switch further comprises a first rotating part and a second rotating part, clockwise and anticlockwise rotating motions of the rotating disc can respectively drive the first rotating part and the second rotating part to rotate through the driving rod, and the first rotating part and the second rotating part respectively drive a movable contact bridge of a first power supply and a movable contact bridge of a second power supply of a breaking unit at the rear end to close or break contacts.
In particular, the first rotating member and the second rotating member have the same structure, the first rotating member comprises two arc-shaped rotating blocks, a fork opening is formed between the two arc-shaped rotating blocks, and the side surfaces of the two arc-shaped rotating blocks are avoided from the side surfaces of the rotating disc.
In particular, the first spring energy storage driving mechanism comprises a first rotary pressing block and first guide rods hinged to two ends of the first rotary pressing block, the second spring energy storage driving mechanism comprises a second rotary pressing block and second guide rods hinged to two ends of the second rotary pressing block, and the first guide rods and the second guide rods are respectively used for compressing respective energy storage springs.
In particular, the driving part is provided with transmission teeth on the peripheral edge, the manual operation shaft is output to the gear through the gear turning mechanism, and the gear is meshed with the transmission teeth.
The invention also employs a dual power transfer switch comprising an operating mechanism for a dual power transfer switch as claimed in any one of the preceding claims.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the mechanism for pushing the first spring energy storage driving mechanism and the second spring energy storage driving mechanism to act is integrated on one driving piece, so that driving force which is convenient for external input uniformly acts on the driving piece, a structural foundation is provided for input transmission of electromagnetic driving force and manual driving force, and in addition, the first driving groove and the second driving groove can not drive the first spring energy storage driving mechanism and the second spring energy storage driving mechanism to perform opening and closing actions at the same time;
2. in the process of returning the driving piece to the double-split station, under the action of the second closing convex block and the first closing convex block, the first guide plate or the second guide plate respectively overturns around the hinging point of the movable iron core, so that the second closing convex block or the first closing convex block cannot be blocked by the rotation of the driving piece;
3. the first closing convex blocks, the second closing convex blocks, the first opening convex blocks and the second opening convex blocks are sequentially arranged at specific angles, and the reasonable arrangement ensures that the logic of double-opening single-closing is unified and the action is accurate;
4. the operating mechanism of the dual-power change-over switch outputs two rotating parts, the two rotating parts respectively drive two paths of power supplies, and the two paths of power supplies are not in a closing and switching-on state at the same time;
5. the manual input structure and the electric input structure are perfectly integrated, and the structure is simple and easy to integrate.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the invention with a housing removed;
FIG. 3 is a block diagram of the base of FIG. 2 mated with a mount;
FIG. 4 is an exploded view of FIG. 2;
FIG. 5 is a block diagram of the first electromagnet and the second electromagnet in cooperation with the driving element and the square shaft in the embodiment of the invention;
FIG. 6 is a bottom view of FIG. 2;
FIG. 7 (a) is a rear view of the driver in the bisected position;
fig. 7 (b) is a rear view of the driving member when the first electromagnet is switched on;
fig. 7 (c) is a rear view of the driving member when the second electromagnet is switched on;
FIG. 8 is a front view of the first spring stored energy drive mechanism, the driver, the second spring stored energy drive mechanism when the second electromagnet is closed;
FIG. 9 is a rear view of the first spring stored energy drive mechanism, the driver, the second spring stored energy drive mechanism when the second electromagnet is closed;
in the figure: 1. a rotating disc; 1a, a driving rod; 2. a first rotating member; 21. a rotating block; 22. an arc-shaped rotating block; 3. a second rotating member; 4. a second travel switch; 5. a first travel switch; 6. a first electromagnet; 61. a ramp; 62. a first guide plate; 621. slope guiding; 63. a tension spring; 64. a step surface; 7. a second electromagnet; 72. a second guide plate; 8. a gear; 9. a locking lever; 10. a sealing plate; 11. a mounting base; 111. a mounting groove; 12. a driving member; 121. the second closing convex block; 122. a first opening bump; 123. a second opening bump; 124. a first closing bump; 125. a second driving groove; 126. a first driving groove; 13. a square shaft; 14. a third travel switch; 15. a first drive plate; 16. a second drive plate; 17. a first spring energy storage drive mechanism; 171. a first guide rod; 172. a first slide rail; 173. a first rotary briquetting; 18. a second spring energy storage driving mechanism; 181. a second guide rod; 182. a second slide rail; 183. a second rotary briquetting; 19. a return spring; 20. and a side plate.
Detailed Description
As shown in fig. 1-9, an operating mechanism of a dual-power change-over switch includes a driving member 12, a first spring energy storage driving mechanism 17 and a second spring energy storage driving mechanism 18 respectively disposed at two sides of the driving member 12, a first guiding rod 171 and a second guiding rod 181 respectively connected to the first spring energy storage driving mechanism 17 and the second spring energy storage driving mechanism 18 in a transmission manner, two sides of the driving member 12 are respectively provided with a first driving slot 126 and a second driving slot 125, the first driving slot 126 and the second driving slot 125 are staggered on an end surface and are mutually disjoint in axial depth of the driving member 12, the first guiding rod 171 passes through a first sliding rail 172 and extends into the first driving slot 126, the second guiding rod 181 passes through a second sliding rail 182 and extends into the second driving slot 125, one end of the first driving slot 126 pushes the first guiding rod 171 to rotate in the first sliding rail 172, after the first spring energy storage driving mechanism 17 passes through a dead point, the first guiding rod 171 is driven by the first guiding rod 171 to move to the other end of the first driving slot 126 and push the first driving disk 15 to rotate, the second guiding rod 125 is pushed by the second guiding rod 181 passes through the second sliding rail 182, and the second guiding rod 16 rotates in the second driving disk 16 rotates, and the second guiding rod 181 drives the second driving disk 16 to rotate, and the second guiding rod 16 moves to the second guiding rod 125 to rotate, and the second guiding rod 181 rotates in the second guiding rod 17 passes through the dead point.
The operating mechanism of the dual-power transfer switch comprises a first electromagnet 6 and a second electromagnet 7, wherein a first closing lug 124 and a second opening lug 123 are arranged on one side of a first driving groove 126 on a driving piece 12 along the periphery, a second closing lug 121 and a first opening lug 122 are arranged on one side of the second driving groove 125 on the driving piece 12 along the periphery, a first guide plate 62 is arranged at the tail end of a movable iron core of the first electromagnet 6, a second guide plate 72 is arranged at the tail end of the movable iron core of the second electromagnet 7, the first guide plate 62 acts on the first opening lug 122 or the second closing lug 121 to enable the driving piece 12 to rotate anticlockwise, the second guide plate 72 acts on the first closing lug 124 or the second opening lug 123 to enable the driving piece 12 to rotate clockwise, the first closing lug 124 and the first opening lug 122 are used for switching on and off of a first power supply, and the second closing lug 121 and the second opening lug 123 are used for switching on and off of a second power supply. The first closing cam 124 and the second opening cam 123 in fig. 7 (a), 7 (b) and 7 (c) are located on the front surface of the driving member 12, and are thus indicated by dashed lines. Here, the operating mechanism of the dual power transfer switch includes a mounting seat 11, a mounting groove 111 is provided on the mounting seat 11, the first spring energy storage driving mechanism 17 and the second spring energy storage driving mechanism 18 are clamped and fixed by the respective mounting grooves 111, a partition board is provided in the middle of the mounting seat 11, and the partition board divides the first electromagnet 6 and the second electromagnet 7 on two sides. Herein, clockwise rotation or counterclockwise rotation refers to a viewing angle of an observer on the side of the rotating disk.
The first guide plate 62 and the second guide plate 72 have the same avoiding structure, the first guide plate 62 and the second guide plate 72 are respectively hinged to the tail end of the movable iron core of the first electromagnet 6 and the tail end of the movable iron core of the second electromagnet 7, a slope 61 is arranged on one side, facing the driving piece 12, of the tail ends of the movable iron cores of the first electromagnet 6 and the second electromagnet 7, the rear ends of the first guide plate 62 and the second guide plate 72 are fixed on the respective movable iron cores through tension springs 63, and the first guide plate 62 and the second guide plate 72 perform overturning motion on the step surface 64 and the slope 61 of the corresponding movable iron cores. Here, the avoidance structure above the second electromagnet is not identified.
The first guide plate 62 and the second guide plate 72 have the same structure, the front end of the first guide plate 62 is provided with a guide slope 621, and the guide slope 621 at the front end of the first guide plate 62 and the guide slope at the front end of the second guide plate 72 form a rotation avoidance with the second closing projection 121 and the first closing projection 124 respectively.
The first closing cam 124, the second closing cam 121, the first opening cam 122 and the second opening cam 123 are sequentially arranged, and are respectively positioned in the ten o 'clock direction, the two o' clock direction, the four o 'clock direction and the eight o' clock direction on the horizontal plane parallel to the end face.
The end of the square shaft 13 is provided with a rotating disc 1, the rotating disc 1 is provided with a driving rod 1a, the operating mechanism of the dual-power change-over switch further comprises a first rotating part 2 and a second rotating part 3, clockwise and anticlockwise rotating motions of the rotating disc 1 can respectively drive the first rotating part 2 and the second rotating part 3 to rotate through the driving rod 1a, and the first rotating part 2 and the second rotating part 3 respectively drive a movable contact bridge of a first power supply and a movable contact bridge of a second power supply of a breaking unit at the rear end to close or break contacts.
The first rotating member 2 and the second rotating member 3 have the same structure, the first rotating member 2 comprises two arc-shaped rotating blocks 22, a fork opening is formed between the two arc-shaped rotating blocks 22, and the side surfaces of the two arc-shaped rotating blocks 22 are avoided from the side surface of the rotating disc 1.
The first spring energy storage driving mechanism 17 includes a first rotary pressing block 173 and first guide rods 171 hinged at both ends of the first rotary pressing block 173, and the second spring energy storage driving mechanism 18 includes a second rotary pressing block 183 and second guide rods 181 hinged at both ends of the second rotary pressing block 183, and the first guide rods 171 and the second guide rods 181 are respectively used for compressing respective energy storage springs.
The driving part 12 has transmission teeth on its peripheral edge, and the manual operation shaft is output to the gear 8 via the gear turning mechanism, and the gear 8 is meshed with the transmission teeth.
The invention also adopts the double-power change-over switch, and the double-power automatic change-over switch comprises the operating mechanism of the double-power change-over switch.
Claims (9)
1. The utility model provides an operating device of dual supply change-over switch, includes the driving piece, divides to arrange in the first spring energy storage actuating mechanism, the second spring energy storage actuating mechanism of driving piece both sides, the transmission respectively connect in first spring energy storage actuating mechanism the first guide arm and the second guide arm of second spring energy storage actuating mechanism, its characterized in that: the two sides of the driving piece are respectively provided with a first driving groove and a second driving groove, the first driving grooves and the second driving grooves are staggered on the end face and the axial depths of the driving piece are mutually disjoint, the first guide rod penetrates through the first sliding rail and stretches into the first driving grooves, the second guide rod penetrates through the second sliding rail and stretches into the second driving grooves, one end of the first driving grooves pushes the first guide rod to rotate in the first sliding rail, after the first spring energy storage driving mechanism passes through dead points, the first spring energy storage driving mechanism drives the first guide rod to continuously move towards the other end of the first driving groove and push the first driving disc to rotate, one end of the second driving groove pushes the second guide rod to rotate in the second sliding rail, and after the second spring energy storage driving mechanism passes through dead points, the second spring energy storage driving mechanism drives the second guide rod to continuously move towards the other end of the second driving groove and push the second driving disc to rotate, and the first driving disc and the second driving disc jointly drive the square shaft to rotate.
2. The dual power transfer switch operating mechanism of claim 1, wherein: the operating mechanism of the dual-power transfer switch comprises a first electromagnet and a second electromagnet, wherein the driving piece is positioned on one side of a first driving groove, a first switching-on lug and a second switching-off lug are arranged along the periphery, the driving piece is positioned on one side of the second driving groove, a second switching-on lug and a first switching-off lug are arranged along the periphery, the tail end of a movable iron core of the first electromagnet is provided with a first guide plate, the tail end of the movable iron core of the second electromagnet is provided with a second guide plate, the first guide plate acts on the first switching-off lug or the second switching-on lug to enable the driving piece to rotate anticlockwise, the second guide plate acts on the first switching-on lug or the second switching-off lug to enable the driving piece to rotate clockwise, and the first switching-on lug and the first switching-off lug are used for switching on and switching-off of a first power supply.
3. The dual power transfer switch operating mechanism of claim 2, wherein: the first guide plate and the second guide plate have the same avoidance structure, the first guide plate and the second guide plate are respectively hinged to the tail end of the movable iron core of the first electromagnet and the tail end of the movable iron core of the second electromagnet, a slope is arranged at one side, facing the driving piece, of the tail end of the movable iron core of the first electromagnet and the tail end of the movable iron core of the second electromagnet, the rear ends of the first guide plate and the second guide plate are fixed on the respective movable iron cores through tension springs, the first guide plate and the second guide plate do overturning motion on the step surfaces and the slopes of the corresponding movable iron cores, guide slopes are arranged at the front ends of the first guide plate and the second guide plate, and the front end guide slopes of the first guide plate and the second guide plate form rotary avoidance with the second closing bumps and the first closing bumps respectively.
4. A dual power transfer switch operating mechanism according to claim 2 or 3, wherein: the first closing convex blocks, the second closing convex blocks, the first opening convex blocks and the second opening convex blocks are sequentially arranged and are respectively positioned in the ten-o-clock direction, the two-o-clock direction, the four-o-clock direction and the eight-o-clock direction on a horizontal plane parallel to the end face.
5. A dual power transfer switch operating mechanism as claimed in claim 1, 2 or 3 wherein: the end of the square shaft is provided with a rotating disc, the rotating disc is provided with a driving rod, the operating mechanism of the dual-power change-over switch further comprises a first rotating part and a second rotating part, clockwise and anticlockwise rotating motions of the rotating disc can respectively drive the first rotating part and the second rotating part to rotate through the driving rod, and the first rotating part and the second rotating part respectively drive a movable contact bridge of a first power supply and a movable contact bridge of a second power supply of a breaking unit at the rear end to close or break contacts.
6. The dual power transfer switch operating mechanism of claim 5, wherein: the first rotating piece and the second rotating piece have the same structure, the first rotating piece comprises two arc-shaped rotating blocks, a fork opening is formed between the two arc-shaped rotating blocks, and the side faces of the two arc-shaped rotating blocks are avoided on the side faces of the rotating disc.
7. A dual power transfer switch operating mechanism as claimed in claim 1, 2 or 3 wherein: the first spring energy storage driving mechanism comprises a first rotary pressing block and first guide rods hinged to two ends of the first rotary pressing block, the second spring energy storage driving mechanism comprises a second rotary pressing block and second guide rods hinged to two ends of the second rotary pressing block, and the first guide rods and the second guide rods are respectively used for compressing respective energy storage springs.
8. A dual power transfer switch operating structure according to claim 1, 2 or 3, characterized in that: the driving part is provided with transmission teeth on the peripheral edge, the manual operation shaft is output to the gear through the gear turning mechanism, and the gear is meshed with the transmission teeth.
9. A dual power transfer switch, characterized in that: the dual power transfer switch comprising an operating mechanism for a dual power transfer switch as claimed in any one of the preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913636.5A CN113611553B (en) | 2021-08-10 | 2021-08-10 | Operating mechanism of dual-power change-over switch and dual-power change-over switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913636.5A CN113611553B (en) | 2021-08-10 | 2021-08-10 | Operating mechanism of dual-power change-over switch and dual-power change-over switch |
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| Publication Number | Publication Date |
|---|---|
| CN113611553A CN113611553A (en) | 2021-11-05 |
| CN113611553B true CN113611553B (en) | 2023-11-28 |
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| CN114242479B (en) * | 2021-12-30 | 2023-09-15 | 雷顿电气科技有限公司 | Operating mechanism of automatic change-over switch |
| CN114613625B (en) * | 2022-03-10 | 2024-01-02 | 浙江万松电气有限公司 | Dual-power supply quick change-over switch |
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| CN110444417A (en) * | 2018-05-04 | 2019-11-12 | 施耐德电器工业公司 | Dual-power transfer switch and its switching mechanism |
| CN110444416A (en) * | 2018-05-04 | 2019-11-12 | 施耐德电器工业公司 | The driving mechanism and double power supply automatic transfer switch of double power supply automatic transfer switch |
| CN109411256A (en) * | 2018-12-24 | 2019-03-01 | 雷顿电气科技有限公司 | The operating mechanism of double power supply automatic transfer switch |
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| CN216015106U (en) * | 2021-08-10 | 2022-03-11 | 雷顿电气科技有限公司 | Operation mechanism of double-power-supply change-over switch and double-power-supply change-over switch |
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