CN101710544B - Electric operating device of indoor high-voltage isolating switch - Google Patents
Electric operating device of indoor high-voltage isolating switch Download PDFInfo
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- CN101710544B CN101710544B CN 200910232757 CN200910232757A CN101710544B CN 101710544 B CN101710544 B CN 101710544B CN 200910232757 CN200910232757 CN 200910232757 CN 200910232757 A CN200910232757 A CN 200910232757A CN 101710544 B CN101710544 B CN 101710544B
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Abstract
The invention discloses an electric operating device of an indoor high-voltage isolating switch, which comprises a worm and wormwheel electric driving mechanism, a multibar actuating mechanism, a cushioning mechanism, a manual operating mechanism and a switch connecting bar, wherein the worm and wormwheel electric driving mechanism is driven by a miniature motor, the multibar actuating mechanism is connected with the output end of the electric driving mechanism, the cushioning mechanism is arranged at the lower side of the multibar actuating mechanism, the manual operating mechanism is movably connected with a worm end of the electric driving mechanism, one end of the switch connecting bar is hinged with one end of the multibar actuating mechanism, and the other end of the switch connecting bar is connected with the high-voltage isolating switch. The electric operating device of the indoor high-voltage isolating switch has small size, compact structure, labor and time saving in use and convenient repair, and is suitable for a switch cabinet with the voltage of 7.2-40.5kV. Besides the electric operating device is directly operated on the switch cabinet, the electric operating device can also remotely operate the high-voltage switch to open and close, and can adopt an operating grip for manual emergency operation. The manual operation and the electric operation of the invention have interlocking functions, thereby ensuring operational safety, realizing the unattended operation of the switch cabinet and improving the work efficiency.
Description
Technical field
The present invention relates to a kind of high-voltage switch gear, relate in particular to a kind of operating means of indoor high-voltage isolating switch, belong to high voltage electrical apparatus technical field.
Background technology
The high pressure isolating/grounding switch is applicable to the power on/off of indoor high-voltage switch cabinet administration of power supply, is installed on indoorly, is used for 7.2～40.5kV, 50Hz three-phase alternating current single busbar connection or single busbar connection band bypath system and accepts and distribute electric energy.Mainly be installed in the box type fixed metal closed switch device, be used for power station, medium and small generator and send being subjected to electricity, sending electricity and Large-scale High-Pressure motor start-up to control protection and monitoring of electricity, industrial and mining enterprises' distribution and electric power system secondary substation.High voltage isolator is general to adopt that manually operation, this mode of operation exist that operating physical force is large, deciliter not in place, complex operation, the defective such as waste time and energy; If switch is deciliter not in place during manual operation, to cause the switch contact loose contact, exist the hidden danger that burns out high-tension switch cabinet behind the long-time transmission operation, simultaneously manual operation exists also that the actuating position is not in place, mistake minute, mistake are closed, on-load actuating and cause major accident.
In recent years, the electrically operated device of existing multiple high-voltage switch gear occurs, for example, notification number is that the patent of invention of CN2457399Y discloses a kind of " one-way gear box for high press switch ", this gear box adopts three grades of gear rings, gear reduction transmission, also be provided with a plurality of springs, roller, complex structure easily breaks down.Notification number is that the patent of invention of CN 201332027Y discloses a kind of " electric mechanism for ground switch in high-voltage switch cabinet ", the main shaft of this motor drive mechanism, manual operation axle, manual operation locking, various travel switch, locking travel switch are contained on the main shaft successively, drive by slowspeed machine, travelling gear and gear are set respectively on main shaft and the low speed electric motor output axle, form gear train assembly, make slowspeed machine and operation axis interlock by gear train assembly.This motor drive mechanism exists the relatively defective of inconvenience of complex structure, operation equally.
Summary of the invention
The operating means that the purpose of this invention is to provide a kind of high voltage isolator, but this device is electric operating or remote control both, manually actuated again, and electric operating and the interlocking of manual operations interlocking, avoid artificial incorrect operation and caused major accident, can really realize being equipped with high-tension switch cabinet remote control, the unattended operation of isolating switch, controller switching equipment be realized intelligent.
The present invention is achieved by the following technical programs:
A kind of electric operating device of indoor high-voltage isolating switch, comprise the worm and wormwheel electric transmissio mechanism that is driven by micromachine, the many bars actuator that is connected with the reduction gearing mechanism output, be arranged on the buffer gear of many bars actuator downside, with the manual-operating mechanism that electric transmissio mechanism worm screw end is flexibly connected, the switch connecting rod that an end is hinged with many bars actuator one end, the other end is connected with high voltage isolator.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid electric operating device of indoor high-voltage isolating switch, wherein said electric transmissio mechanism comprises casing, is fixedly installed on the micromachine of casing one side, intermeshing worm screw, worm gear; Worm screw is supported on casing one side, and Miniature electric machine output shaft is fixedly connected with worm screw one end, and the worm screw other end stretches out outside the casing, and worm-wheel shaft is supported on the casing opposite side, and worm-wheel shaft is fixedly connected with worm gear.
Aforesaid electric operating device of indoor high-voltage isolating switch, wherein said many bars actuator is arranged on the casing outside, and this mechanism comprises crank, connecting rod, fanning strip, rocking bar, connecting lever, fork; Described crank one end is fixedly connected with worm-wheel shaft one end, and the other end and connecting rod one end are hinged, and the connecting rod other end and fanning strip one end and rocking bar one end are hinged; The fanning strip middle part is hinged with casing, and opposite side is fixedly connected with connecting lever one end, and the connecting lever other end and switch connecting rod one end are hinged; Described fork one end and the rocking bar other end are hinged, and the fork other end and casing upside fixed head are hinged, in order to trigger minute, the combined floodgate dead space switch; The rotational angle of described connecting lever is 45 °～90 °.
Aforesaid electric operating device of indoor high-voltage isolating switch, wherein said buffer gear comprises buffing pad, base plate, and described buffing pad is set up in parallel on base plate, and described base plate is fixedly connected with the casing downside; When crank, when connecting rod is positioned at extreme position, its downside is resisted against on the buffing pad.
Aforesaid electric operating device of indoor high-voltage isolating switch, wherein said operating grip one end has and the suitable interface of worm screw overhanging end, and the worm screw overhanging end is arranged in the perforate of switch cubicle side plate; Safe sliding block is flexibly connected with the switch cubicle side plate slidably, and the one side is provided with sensitive switch, and during electric operating, safe sliding block blocks the perforate of switch cubicle side plate, connects the control power supply by sensitive switch; During manual operation, safe sliding block leaves the perforate of switch cubicle side plate, by sensitive switch cutting-off controlling power supply.
Volume of the present invention is little, compact conformation, use are laborsaving saves time, overhauls conveniently, is applicable to the switch cubicle of 7.2～40.5kV.By handling the rotating of micromachine, the fanning strip that drives many bars actuator swings around the hinged center of fanning strip together with connecting lever, thereby drives the switch connecting rod hinged with the connecting lever other end, realize the high pressure isolating/grounding switch minute, closing operation.Simultaneously, the present invention drives fork by rocking bar, utilizes the swing of fork to trigger dead space switch, the disconnection micromachine is connected with power supply, push down buffer gear by connecting rod again and cushion, make the controlling angle of connecting lever in accurate position, to finish dividing, closing a floodgate of high-voltage switch gear.The present invention also can carry out dividing, closing a floodgate of Remote operate high pressure switch except direct control on switch cubicle.When electrically operated device breaks down, can adopt operating grip to carry out the manual-operated emergent operation.Manual operation of the present invention and electric operating have interlock function, guarantee handling safety.The present invention can realize Long-distance Control and unattended operation at box fixed type metal enclosing switch device, has improved operating efficiency.
Advantage and disadvantage of the present invention will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is structure diagram of the present invention;
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is that the B of Fig. 1 is to zoomed-in view.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the present invention includes electric transmissio mechanism 1, the many bars actuator 2 that is connected with the electric transmissio mechanism output, be arranged on the buffer gear 3 of many bars actuator 2 downsides, be flexibly connected with electric transmissio mechanism, can with the manual-operating mechanism 4 that drives many bars actuator 2 one ends and be flexibly connected, the switch connecting rod 5 that one end is hinged with many bars actuator one end, the other end is connected with high voltage isolator, a side of electric transmissio mechanism 1 is fixed on the high-tension switch cabinet side plate 7 by cushion block 9.
Electric transmissio mechanism 1 comprises casing 11, is fixedly installed on the micromachine 12 of casing 11 1 sides, micromachine 12 output shafts are connected with worm screw 13 threaded one ends, worm screw 13 other ends stretch out outside the casing 11, can be used for connecting manual-operating mechanism 4, worm screw 13 is supported on casing 11 upsides by bearing 16, and worm gear 14 is positioned at worm screw 13 downsides, and worm-wheel shaft 15 is fixedly connected with worm gear 14, at casing 11 downsides, the one end stretches out casing 11 to worm-wheel shaft 15 by bearings.
As shown in Figure 3, in the time of electric operating can not being carried out as outage or other improper phenomenons occur, can use manual-operating mechanism 4 operate high pressure switch separating brakes instead.This manual-operating mechanism 4 comprises safe sliding block 41, operating grip 42.Operating grip 42 is Z-shaped, and an end has the suitable connecting interface 421 that can be enclosed within worm screw 13 overhanging ends, and such as polygonal hole or the circular hole that splines, the other end is handle.Worm screw 13 overhanging ends are arranged in the perforate 71 of switch cubicle side plate 7, and safe sliding block 41 is provided with chute 411, and safe sliding block 41 is enclosed within on the pilot pin 412 on the fixed switchgear side plate 5 by chute 411, and both are slidingly connected at formation.When using electric operating, must be pushed into safe sliding block 41 and block high-tension switch cabinet side plate perforate 71, make an end of safe sliding block 41 trigger the sensitive switch 8 that is contained on the switch cubicle side plate, connect the control power supply and can carry out electric operating.When carrying out manual operation, remove safe sliding block 41, expose perforate 71, sensitive switch 8 disconnects, and electric transmissio mechanism 1 can not be worked, and can carry out manual operation this moment.Manual operation of the present invention and electric operating have interlock function, guarantee to use safety.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of requirement of the present invention.
Claims (2)
1. electric operating device of indoor high-voltage isolating switch, comprise the worm and wormwheel electric transmissio mechanism that is driven by micromachine, the many bars actuator that is connected with the reduction gearing mechanism output, be arranged on the buffer gear of many bars actuator downside, with the manual-operating mechanism that electric transmissio mechanism worm screw end is flexibly connected, the switch connecting rod that an end is hinged with many bars actuator one end, the other end is connected with high voltage isolator; Described many bars actuator is arranged on the casing outside, and this many bars actuator comprises crank, connecting rod, fanning strip, connecting lever, rocking bar and fork; Described crank one end is fixedly connected with worm-wheel shaft one end, and the other end and connecting rod one end are hinged, and the connecting rod other end and fanning strip one end and rocking bar one end are hinged; The fanning strip middle part is hinged with casing, and opposite side is fixedly connected with connecting lever one end, and the connecting lever other end and switch connecting rod one end are hinged; It is characterized in that: described fork one end and the rocking bar other end are hinged, and the fork other end and casing upside fixed head are hinged, in order to trigger minute, the combined floodgate dead space switch.
2. electric operating device of indoor high-voltage isolating switch as claimed in claim 1, it is characterized in that: described manual-operating mechanism comprises manually-electric safety slide block, operating grip, described operating grip one end has and the suitable interface of worm screw overhanging end, and the worm screw overhanging end is arranged in the perforate of switch cubicle side plate; Safe sliding block is flexibly connected with the switch cubicle side plate slidably, and the one side is provided with sensitive switch, and during electric operating, safe sliding block blocks the perforate of switch cubicle side plate, connects the control power supply by sensitive switch; During manual operation, safe sliding block leaves the perforate of switch cubicle side plate, by sensitive switch cutting-off controlling power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910232757 CN101710544B (en) | 2009-11-30 | 2009-11-30 | Electric operating device of indoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910232757 CN101710544B (en) | 2009-11-30 | 2009-11-30 | Electric operating device of indoor high-voltage isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101710544A CN101710544A (en) | 2010-05-19 |
| CN101710544B true CN101710544B (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910232757 Expired - Fee Related CN101710544B (en) | 2009-11-30 | 2009-11-30 | Electric operating device of indoor high-voltage isolating switch |
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| CN (1) | CN101710544B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054605B (en) * | 2010-12-19 | 2013-01-30 | 浙江富隆电气有限公司 | Transmission mechanism of circuit breaker |
| CN105810494B (en) * | 2016-05-05 | 2018-05-15 | 周海兵 | Guiding movement type disconnecting switch |
| CN109424715A (en) * | 2017-08-29 | 2019-03-05 | 上海旭恒精工机械制造有限公司 | A kind of manual larry mechanism with self-lock protection |
| CN107610952A (en) * | 2017-10-24 | 2018-01-19 | 沈阳安瑞信科技有限公司 | A kind of low voltage isolation switch of motorized motions |
| CN108520834B (en) * | 2018-06-04 | 2024-01-19 | 泰安市泰和电力设备有限公司 | Manual operation three-station mechanism for high-voltage switch |
| CN109728537B (en) * | 2019-01-23 | 2020-11-03 | 蓉中电气股份有限公司 | Intelligent extra-high voltage switch cabinet |
| CN110993421A (en) * | 2019-11-22 | 2020-04-10 | 许继（厦门）智能电力设备股份有限公司 | Interlocking structure of three-position switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457399Y (en) * | 2000-12-28 | 2001-10-31 | 许国荣 | One-way gear box for high press switch |
| CN2857195Y (en) * | 2005-12-22 | 2007-01-10 | 仪征市电瓷电器有限责任公司 | Electric steering mechanism for high voltage disconnecting switch |
| CN201112155Y (en) * | 2007-09-07 | 2008-09-10 | 湖南天鹰高压开关电器有限公司 | Electrically-operated mechanism for high voltage electrical apparatus |
| CN201332027Y (en) * | 2008-11-14 | 2009-10-21 | 遵义长征电器开关设备有限责任公司 | Electric mechanism for ground switch in high-voltage switch cabinet |
-
2009
- 2009-11-30 CN CN 200910232757 patent/CN101710544B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457399Y (en) * | 2000-12-28 | 2001-10-31 | 许国荣 | One-way gear box for high press switch |
| CN2857195Y (en) * | 2005-12-22 | 2007-01-10 | 仪征市电瓷电器有限责任公司 | Electric steering mechanism for high voltage disconnecting switch |
| CN201112155Y (en) * | 2007-09-07 | 2008-09-10 | 湖南天鹰高压开关电器有限公司 | Electrically-operated mechanism for high voltage electrical apparatus |
| CN201332027Y (en) * | 2008-11-14 | 2009-10-21 | 遵义长征电器开关设备有限责任公司 | Electric mechanism for ground switch in high-voltage switch cabinet |
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|---|---|
| CN101710544A (en) | 2010-05-19 |
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Granted publication date: 20130116 Termination date: 20191130 |