CN106328405B - Mechanical interlocking mechanism independent of main structure and dual-power supply device - Google Patents
Mechanical interlocking mechanism independent of main structure and dual-power supply device Download PDFInfo
- Publication number
- CN106328405B CN106328405B CN201611001750.6A CN201611001750A CN106328405B CN 106328405 B CN106328405 B CN 106328405B CN 201611001750 A CN201611001750 A CN 201611001750A CN 106328405 B CN106328405 B CN 106328405B
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- linkage
- frame
- mechanical interlocking
- mechanical
- actuating mechanism
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a mechanical interlocking mechanism independent of a main structure, which is used in a medium-high voltage system and comprises a push block which is arranged on a first actuating mechanism in a sliding or rotating way and is linked with a main shaft or an operating mechanism or a main contact of the first actuating mechanism; the linkage mechanism is arranged on the frame and comprises a driving part which is movably arranged on the frame and is acted with the push block and a linkage part which is in transmission connection with the driving part; and the ejector rod is fixedly connected with the linkage part and can directly insert into the interior of the linkage part through a through hole of the second actuating mechanism and lock the linkage part. The mechanical interlocking mechanism is independent of the execution mechanism, has strong adaptability, can be loaded in the execution mechanisms of different types and different forms, adopts a gear rack transmission mechanism and other linkage mechanisms to convert the rotation of the main shaft of one execution mechanism into the driving of the ejector rod, namely the switching-on action of the execution mechanism at one side enables the ejector rod to be inserted into the other execution mechanism and clamped.
Description
Technical Field
The invention relates to the technical field of double-power-supply changeover switch equipment, in particular to a mechanical interlocking mechanism of a double-power-supply power supply device.
Background
At present, along with market's requirement for power supply system continuity is higher and higher, especially important load, generally all adopt the dual power supply, and it is including the frame that constitutes the main part, two actuating mechanism that set up side by side, two actuating mechanism correspond electric wire netting and emergency generator set or other power respectively, and dual power supply needs to adopt dual power change over switch, and dual power change over switch should be equipped with mechanical interlocking device in order to guarantee the reliability, guarantees that the switching apparatus of two way powers can not be closed simultaneously. The mechanical interlocking device in the prior art adopts a rotating shaft to rotate clockwise and anticlockwise to drive two operating arms to realize mechanical interlocking. Because the same rotating shaft is adopted for operation, one of the two mechanical interlocking arms breaks down, so that the whole interlocking fails, the reliability is poor, and in addition, the whole mechanical interlocking mechanism and a product form a whole, so that the installation and the maintenance are inconvenient.
Disclosure of Invention
The invention aims to provide a mechanical interlocking mechanism of a dual-power supply device aiming at the technical defects in the prior art.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a mechanical interlocking mechanism independent of a main structure is used in a medium-high voltage system and comprises a push block which is slidably or rotatably arranged on a first actuating mechanism and is linked with a main shaft or an operating mechanism or a main contact of the first actuating mechanism;
the linkage mechanism is arranged on the frame and comprises an active part which is movably arranged on the frame and is acted with the push block and a linkage part which is in transmission connection with the active part;
and the ejector rod is fixedly connected with the linkage part and can directly insert into the interior of the linkage part through a through hole of the second actuating mechanism and lock the linkage part.
The linkage mechanism comprises a driving rack which is arranged on the frame in a sliding mode and acts with the push block, a linkage rack which is arranged on the frame in a sliding mode and is connected with the driving rack through a middle gear in a transmission mode, and a reset mechanism which is arranged between the top of the linkage rack and the frame, wherein the ejector rod is fixedly connected with the linkage rack.
The linkage mechanism comprises a driving slide block which can slide or rotate relative to the frame and is in transmission connection with the driving slide block through a chain, a transmission rope or a push rod, and the ejector rod is fixedly connected with the linkage slide block.
The linkage mechanism is a transmission lever, and the driving part and the linkage part are integrated or split.
The outer side surface of the first actuating mechanism is provided with a turntable in transmission connection with the spindle, the push block is arranged on the first actuating mechanism through a rail slide block mechanism, and the push block and the turntable are in transmission connection through a connecting rod.
The driving part and the linkage part are arranged on the carrier plate through a track sliding block mechanism, and the carrier plate is fixedly connected with the frame.
The actuator is used for switching on and off the main circuit.
The dual-power supply device comprises two actuating mechanisms arranged at left and right intervals or at upper and lower intervals, and two groups of mechanical interlocking mechanisms arranged between the two actuating mechanisms, wherein push blocks of the two groups of mechanical interlocking mechanisms are correspondingly arranged on the adjacent side surfaces of the two actuating mechanisms.
The driving parts and the linkage parts of the two groups of mechanical interlocking mechanisms are arranged on the inner side and the outer side or the same side of the same carrier plate.
The driving part and the linkage part of the two groups of mechanical interlocking mechanisms are respectively arranged on the two carrier plates, and the two carrier plates are respectively and fixedly connected with the frame.
Compared with the prior art, the invention has the beneficial effects that:
the mechanical interlocking mechanism is independent of the execution mechanism, has strong adaptability, can be loaded in the execution mechanisms of different types and different forms, adopts a gear rack transmission mechanism and other linkage mechanisms to convert the rotation of a main shaft of one execution mechanism into the driving of an ejector rod, namely the switching-on action of the execution mechanism at one side enables the ejector rod to be inserted into a transmission gear in the other execution mechanism and clamped, so that the execution mechanism at the other side can not complete the switching-on action, and when the execution mechanism is disconnected, the constraint on the ejector rod can be released, so that the ejector rod is separated from the transmission gear under the action of a tension spring, the locking on the other execution mechanism is released, and the self-resetting is realized. The control is simple and the maintenance is convenient.
Drawings
Fig. 1 is a schematic structural diagram showing a left-side actuator of a mechanical interlocking mechanism of a dual power supply device in an open state.
Fig. 2 is a schematic structural diagram of a closing state of a left-side actuator of a mechanical interlocking mechanism of the dual power supply device according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the figure, the mechanical interlocking mechanism independent of the main body structure is used in a medium-high voltage system and comprises a push block 11 which is arranged on a first actuating mechanism 1 in a vertically sliding manner and is linked with a main shaft of the first actuating mechanism, a driving rack 2 which is arranged on a frame in a vertically sliding manner and is acted with the push block, a linkage rack 4 which is arranged on the frame in a vertically sliding manner and is in transmission connection with the driving rack 2 through an intermediate gear 3, a push rod 5 which is fixedly connected with the linkage rack and can be directly inserted into a second actuating mechanism through a through hole in the upper part of the second actuating mechanism and lock the second actuating mechanism to prevent internal action, and a reset mechanism, such as a tension spring 6, arranged between the top of the linkage rack and the frame 7. The actuator is used for switching on and switching off the main circuit, can be any corresponding component with the function, such as a circuit breaker, and the ejector rod is locked with the actuator, namely the ejector rod is controlled to be incapable of switching on.
The push block is provided with a linkage arm extending to the lower part of the driving rack, the linkage arm can support the lower end of the driving gear to enable the driving gear to move upwards, the linkage rack is connected with a vertically arranged ejector rod through a connecting arm, and the ejector rod can be directly inserted into the second executing mechanism and locks the second executing mechanism, so that mechanical linkage of the executing mechanism is realized. Meanwhile, the end part of the ejector rod can be provided with an elastic head to avoid the damage of an actuating mechanism. In order to realize the action output of the actuating mechanism on the driving side, the push block is linked with the main shaft or the operating mechanism or the main contact, the linkage mode can be realized in a mode of rotating discs, connecting rods and the like, and meanwhile, the running track of the push block is guided by a mechanism such as a track and the like, so that the fluency of the action output is effectively improved, and the execution of subsequent actions is ensured.
In order to realize linkage, as a second embodiment, the linkage mechanism includes an active slider capable of sliding or rotating relative to the frame, and a linkage slider in transmission connection with the active slider through a chain, a transmission rope or a push rod, wherein the push rod is fixedly connected with a fixed connecting arm of the linkage slider so as to realize vertical or horizontal movement of the push rod.
As another embodiment, the linkage mechanism is a transmission lever, and the driving part and the linkage part are integrated or split. The ejector rod is fixedly connected with the driven end side of the transmission lever, namely the linkage part, so as to realize the movement of the ejector rod.
The mechanical interlocking mechanism is independent of the execution mechanism, has strong adaptability and can be loaded on the execution mechanisms of different types and different forms, the linkage mechanism such as a gear rack transmission mechanism and the like is adopted to convert the rotation of the main shaft of one execution mechanism into the driving of the ejector rod, namely, the closing action of the execution mechanism at one side enables the ejector rod to be directly inserted into the second execution mechanism and lock the second execution mechanism, for example, the ejector rod is inserted into a meshed gear or a hole inserted into an action part or a step, and the execution mechanism at the other side can not complete the closing action, when the execution mechanism is disconnected, the constraint on the ejector rod can be released, the ejector rod is separated from a transmission gear under the action of a tension spring, the locking of the other execution mechanism is released, and the. The control is simple and the maintenance is convenient.
Specifically, in order to realize the up-and-down driving of the spindle to the push block, a turntable 12 in transmission connection with the spindle is arranged on the outer side surface of the first execution mechanism, the push block is arranged on the first execution mechanism through a rail slider mechanism, and the push block and the turntable are in transmission connection through a connecting rod 13. Adopt the carousel to add the drive of connecting rod formula, can acquire great ejector pad stroke, the space framework of being convenient for can effectively realize the auto-lock through the setting of carousel with the connecting rod pin joint moreover, avoids leading to closing a floodgate side disconnection because of the extension spring effect.
In order to realize the movement of the driving rack and the transmission rack and reduce the resistance of switching-on and switching-off actions, the driving rack and the linkage rack are arranged on the carrier plate 8 through a track slider mechanism, the middle gear is rotatably arranged on the carrier plate and is meshed with the driving rack and the linkage rack at two sides for transmission, and the carrier plate is fixedly connected with the frame. The track sliding block mechanism enables the track sliding block mechanism to operate more stably and reliably, and reduces the occurrence of faults.
The dual-power supply device comprises two actuating mechanisms arranged at left and right intervals and two groups of mechanical interlocking mechanisms arranged on a frame between the two actuating mechanisms, wherein sliding blocks of the two groups of mechanical interlocking mechanisms are correspondingly arranged on the side surfaces of the adjacent sides of the two actuating mechanisms. The two mechanical interlocking mechanisms are arranged on the same inner side and the outer side of the support plate fixedly connected with the frame or on the two support plates fixedly connected with the frame respectively, the two mechanical interlocking mechanisms are mutually independent, the installation and the maintenance are convenient, the maintenance can be independently disassembled, the mechanical interlocking mechanisms can be separated from switching apparatuses which need to be interlocked according to needs, the operation of a main loop is not influenced, and the use safety of equipment is effectively improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A mechanical interlocking mechanism independent of a main body structure is characterized by being used in a medium-high voltage system and comprising a push block which is slidably or rotatably arranged on a first actuating mechanism and is linked with a main shaft or an operating mechanism or a main contact of the first actuating mechanism;
the linkage mechanism is arranged on the frame and comprises an active part which is movably arranged on the frame and is acted with the push block and a linkage part which is in transmission connection with the active part;
and the ejector rod is fixedly connected with the linkage part and can be directly inserted into the linkage part through the through hole of the second actuating mechanism and lock the second actuating mechanism, the ejector rod and the second actuating mechanism are locked, namely, the ejector rod and the second actuating mechanism are controlled not to be switched on, the first actuating mechanism and the second actuating mechanism are used for switching on and switching off the main loop, and the two actuating mechanisms cannot be switched on simultaneously by arranging a mechanical linkage mechanism.
2. The mechanical interlocking mechanism as claimed in claim 1, wherein the interlocking mechanism comprises a driving rack slidably disposed on the frame and interacting with the pushing block, a interlocking rack slidably disposed on the frame and drivingly connected to the driving rack through an intermediate gear, and a return mechanism disposed between the top of the interlocking rack and the frame, wherein the carrier rod is fixedly connected to the interlocking rack.
3. The mechanical linkage mechanism of claim 1, wherein the linkage mechanism comprises a driving slider capable of sliding or rotating relative to the frame, a linkage slider in transmission connection with the driving slider through a chain, a transmission rope or a push rod, and the push rod is fixedly connected with the linkage slider.
4. The mechanical linkage of claim 1, wherein the linkage is a transmission lever, and the active portion and the linkage portion are integrated or separated.
5. The mechanical interlocking mechanism as claimed in claim 1, wherein a turntable is disposed on an outer side of the first actuator and is in transmission connection with the spindle, the push block is disposed on the first actuator through an orbital slider mechanism, and the push block and the turntable are in transmission connection through a connecting rod.
6. The mechanical interlock mechanism of claim 1, wherein the active portion and the linkage portion are disposed on a carrier plate via a track-and-slide mechanism, the carrier plate being fixedly connected to the frame.
7. A dual-power supply device is characterized by comprising two actuators which are arranged at intervals left and right or up and down, and two groups of mechanical interlocking mechanisms according to any one of claims 1 to 6, which are arranged between the two actuators, wherein the push blocks of the two groups of mechanical interlocking mechanisms are correspondingly arranged on the adjacent side surfaces of the two actuators.
8. The dual power supply unit as claimed in claim 7, wherein the driving parts and the linking parts of the two sets of mechanical interlocking mechanisms are disposed on the same side or on the same inner side and outer side of the same carrier.
9. The dual power supply unit as claimed in claim 7, wherein the active part and the linkage part of the two sets of mechanical interlocking mechanisms are respectively disposed on two carrier plates, and the two carrier plates are respectively fixedly connected to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001750.6A CN106328405B (en) | 2016-11-14 | 2016-11-14 | Mechanical interlocking mechanism independent of main structure and dual-power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001750.6A CN106328405B (en) | 2016-11-14 | 2016-11-14 | Mechanical interlocking mechanism independent of main structure and dual-power supply device |
Publications (2)
| Publication Number | Publication Date |
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| CN106328405A CN106328405A (en) | 2017-01-11 |
| CN106328405B true CN106328405B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611001750.6A Active CN106328405B (en) | 2016-11-14 | 2016-11-14 | Mechanical interlocking mechanism independent of main structure and dual-power supply device |
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| CN (1) | CN106328405B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352036B (en) * | 2016-10-31 | 2019-05-31 | 天津市先智电气设备有限公司 | Mobile open-close type high-voltage isulation valve and control method |
| CN106548886A (en) * | 2017-01-12 | 2017-03-29 | 天津市先智电气设备有限公司 | Lift dual power supply device with mechanical interlocking |
| CN106684746B (en) * | 2017-01-12 | 2019-05-21 | 天津市先智电气设备有限公司 | Dual power supply device |
| CN107068449B (en) * | 2017-01-12 | 2020-06-05 | 天津市先智电气设备有限公司 | Lifting type dual-power supply device with mechanical interlocking |
| CN107068450B (en) * | 2017-01-12 | 2020-06-05 | 天津市先智电气设备有限公司 | Lifting type dual-power supply device and control method |
| CN106532545B (en) * | 2017-01-12 | 2019-05-21 | 天津市先智电气设备有限公司 | Vertical lift type dual power supply device |
| CN106786104B (en) * | 2017-01-12 | 2019-06-07 | 天津市先智电气设备有限公司 | Vertical lift type dual power supply device |
| CN106786103B (en) * | 2017-01-12 | 2019-05-21 | 天津市先智电气设备有限公司 | Vertical lift type monolithic devices dual power supply device |
| CN107959343B (en) * | 2017-03-24 | 2024-03-08 | 天津市先智电气设备有限公司 | Dual-power transfer switch |
| CN107887206A (en) * | 2017-12-27 | 2018-04-06 | 黑龙江博瑞特高新技术开发有限公司 | Dual power supply switches operating mechanism and actuating method |
| CN108231452B (en) * | 2017-12-30 | 2018-12-07 | 浙江唐桥电子有限公司 | A kind of reciprocal power supply maker |
| CN108206105B (en) * | 2017-12-30 | 2019-01-25 | 浙江雅阁集成吊顶有限公司 | A kind of power supply maker |
| CN117524761B (en) * | 2024-01-05 | 2024-03-19 | 常州晶硕机电有限公司 | Furnace changing switch of intermediate frequency furnace |
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| DE102006012056B3 (en) * | 2006-03-08 | 2007-08-09 | Siemens Ag | Actuation openings locking device for e.g. medium-voltage switch gear, has slides coupled with each other by locking latches and locking lever, such that one slide is locked in locking position when other slide is in release position |
| CN101882518A (en) * | 2009-05-04 | 2010-11-10 | 西门子公司 | The device that is used for mutual locking of two switches, especially circuit breaker |
| CN204011151U (en) * | 2014-06-25 | 2014-12-10 | 何云成 | A kind of double power supply converting switch |
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2016
- 2016-11-14 CN CN201611001750.6A patent/CN106328405B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006012056B3 (en) * | 2006-03-08 | 2007-08-09 | Siemens Ag | Actuation openings locking device for e.g. medium-voltage switch gear, has slides coupled with each other by locking latches and locking lever, such that one slide is locked in locking position when other slide is in release position |
| CN101882518A (en) * | 2009-05-04 | 2010-11-10 | 西门子公司 | The device that is used for mutual locking of two switches, especially circuit breaker |
| CN204011151U (en) * | 2014-06-25 | 2014-12-10 | 何云成 | A kind of double power supply converting switch |
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| Publication number | Publication date |
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| CN106328405A (en) | 2017-01-11 |
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