CN101206969B - High-voltage combined falling switch on pole outdoor - Google Patents
High-voltage combined falling switch on pole outdoor Download PDFInfo
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- CN101206969B CN101206969B CN2007101573477A CN200710157347A CN101206969B CN 101206969 B CN101206969 B CN 101206969B CN 2007101573477 A CN2007101573477 A CN 2007101573477A CN 200710157347 A CN200710157347 A CN 200710157347A CN 101206969 B CN101206969 B CN 101206969B
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- universal driving
- ground connection
- grounding
- driving shaft
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Abstract
In order to solve the hidden security danger brought because the prior outdoor high voltage drop-out switch is not provided with switching off and grounding structure, the invention provides an outdoor on-pole high voltage combined type drop-out switch. The switch has three-phase integration and combination structure, three-phase linked grounding switches are arranged at the load side of each phase, grounding moving blades matched with grounding static contacts communicated with static contacts at the load side of each phase are arranged on the grounding universal driving shafts of the three-phase linked grounding switches, universal driving shaft chain wheels matched with the locking and the unlocking of the grounding interlocking mechanism of each phase are also fixed on the grounding universal driving shafts, locking bars are connected and arranged, and driven shaft chain wheels matched with the locking and the unlocking of the universal driving shaft chain wheels are also arranged on the connecting rods for crank levers and crank arms on the driven shafts of the grounding interlocking mechanisms. Through the implementation of the technical proposal of the invention, the grounding operation of the drop-out switch in the switching off state is greatly simplified, the grounding quality is also guaranteed; thereby the security of the work of the power distribution network is ensured.
Description
Technical field
What the present invention relates to is high pressure drop switch on the outdoor post, the outdoor type high pressure drop switch of a set installation of downlead of transformer in particular.
Background technology
The high pressure drop switch is one pole type structure on the existing outdoor post; promptly include two an insulation chapelet, expulsion tube and expulsion tube two ends and two an insulation one pole type structure that switch contact, terminal block and hitch that the chapelet upper end is provided with constitute; separate being installed in the power circuit all do not possess the earthing device of safeguard protection effect.The transformer high-voltage side has a power failure, in order to overhaul and handling safety, generally need be on bus hanging earthing conductor, but sometimes because articulate multiple reasons such as quality problems or operation, earth connection becomes flexible even slippage happens occasionally, especially at the field or the mountainous rural area of remoteness, often hanging earthing conductor is not just directly operated, in case the electric energy of some power-supply device of its low pressure terminal use, as the UPS inverter, generator, the electric energy of capacitive compensator or other network is brought by counter, feed back high voltage more than 10,000 volts from high-pressure side by secondary input, the serious life safety that jeopardizes will cause unnecessary personal electric shock casualty accident.
Summary of the invention
Goal of the invention of the present invention is to make the outdoor high-voltage drop switch to have sufficient fail safe to guarantee in interruption maintenance or other operation and a kind of high-voltage combined falling switch on pole outdoor of providing.High-voltage combined falling switch on pole outdoor technical scheme provided by the invention, its major technique content is: a kind of high-voltage combined falling switch on pole outdoor, for being assembled in the three-phase drop switch package assembly of same base, also be provided with the base that is used for fixing the line bar frame plate is installed, each phase load side of drop switch is provided with three earthed switches that link, each phase ground connection fixed contact of interlock earthed switch is electrically connected respectively and is arranged on each phase load side insulation chapelet upper end switch fixed contact, the ground moving knife that respectively joins that cooperates with three-phase ground connection fixed contact switch respectively is fixed on the ground connection universal driving shaft, also be fixed with on the ground connection universal driving shaft and each ground connection interlocking device locking mutually, the universal driving shaft chain wheel of cooperation left by lock, be set with the combined floodgate torsion spring on the ground connection universal driving shaft, and rotate and to be arranged on the base of load side, ground connection universal driving shaft one axle head is provided with and is articulated in the combined floodgate latch hook lock braking lock that has locked groove movingly on the base; Described ground connection interlocking device includes locking bar, end link is arranged on the crank connecting lever of driven shaft drive under the locking bar, act on the expulsion tube below through spacing guiding, locking bar upper end, suit reduction torsion spring on the driven shaft, and be fixed with each mutually universal driving shaft chain wheel locking, lock and open the driven shaft chain wheel of cooperation; Universal driving shaft chain wheel and driven shaft chain wheel are the crescent chain wheel, and both relative engagement upper lateral parts are equipped with the arc-shaped notch with the curved flanges complementary fit of relative chain wheel.
High-voltage combined falling switch on pole outdoor technical scheme of the present invention, earthed switch and interlock thereof, interlocking device organically are arranged in the high pressure drop switch product structure, no matter be for overhauling or carrying out other relevant operation, need fall out or when taking the high pressure drop switch, just can operate requirement according to technology, operational grounding universal driving shaft timely, closed ground switch, and under the position-limiting action of locking bar, prevent the combined floodgate misoperation of drop switch.The technical program has not only been simplified the ground connection operation of drop switch greatly, has also guaranteed the ground connection quality, and has avoided the electric shock casualty accident under the drop switch gate-dividing state to take place completely, has guaranteed the safety of distribution network.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention
Fig. 2 to Fig. 6 chooses wherein one to show mutually and respectively move the structure chart of implementation procedure that wherein Fig. 2 is the three-dimensional structure diagram that expulsion tube closes a floodgate, the base portion of earthed switch separating brake is analysed and observe
Fig. 3 is the structural representation of another side of Fig. 2
Fig. 4 is the base sectional structure chart of expulsion tube separating brake, earthed switch separating brake
Fig. 5 is the structural representation of another side of Fig. 4
Fig. 6 is the base portion sectional structure chart that expulsion tube separating brake, earthed switch close a floodgate.
Embodiment
Three phase combined outdoor high-voltage drop switch provided by the invention, its concrete structure as shown in Figure 1, it is made of the three cover drop switch assemblings corresponding to each phase line that are assembled in same base, base 1 middle part is provided with installs frame plate 2 and is used for fixing and is installed on the line bar, and the upper contact head of each phase drop switch is the inlet wire side.Be provided with three earthed switches that link in each phase load side of drop switch, each phase ground connection fixed contact 33 of interlock earthed switch is electrically connected switch fixed contact 28 1 sides that are arranged at each phase load side insulation chapelet upper end respectively, ground connection fixed contact 33 is the elastic clip structure that two elasticity fingertips constitute, with each mutually the ground moving knife 32 that respectively joins that cooperates of ground connection fixed contact 33 switches be fixedly installed on the ground connection moving knife arm 40 of ground connection universal driving shaft 30, ground connection universal driving shaft 30 rotates the drop switch load side that is arranged at base 1, be set on this ground connection universal driving shaft 30, be hung on base 1 and universal driving shaft 30 is provided with the combined floodgate torsion spring, be fixed with on the ground connection universal driving shaft 30 of supporting insulator below and each ground connection interlocking device locking mutually, the universal driving shaft chain wheel 34 of cooperation left by lock, as Fig. 3 and shown in Figure 5, the base axially outer end of ground connection universal driving shaft 30 is provided with a hat type braking lock 60, the outer surface of this braking lock 60 is provided with locked groove 61, and this braking lock 60 is locked movingly with the combined floodgate latch hook 62 that is articulated in base 1.Above-mentioned ground connection interlocking device includes locking bar 38, the following end link of locking bar 38 is arranged on the crank connecting lever 49 that is driven by driven shaft 42, as shown in Figure 6, locking bar 38 passes the below that gathering sill 10 upper ends on the base 1 act on expulsion tube 29, for further locking bar 38 epimeres being led, be fixed in load side fixed contact 28 and be provided with guiding bent plate 43, guiding bent plate 43 is provided with guide plate 44 to locking bar 38 upper ends near bending, and locking bar 38 upper ends are provided with roller 20 and fixed mount thereof; Be set in driven shaft 42, be hung on base 1 and be provided with reduction torsion spring, also be fixed with on the driven shaft 42 with moving axis chain wheel 34 lockings that respectively link, lock and open the driven shaft chain wheel 37 that cooperates, two chain wheels 34,37 are the crescent chain wheel, and both relative engagement upper lateral parts are equipped with the arc-shaped notch with the curved flanges complementary fit of relative chain wheel.
Its action implementation procedure is: 1, as shown in Figures 2 and 3, the interlock earthed switch is in gate-dividing state, contact of earth pallet 62 hook locks are on the braking lock 60 of ground connection universal driving shaft 30, during expulsion tube 29 closing operations, expulsion tube 29 bodys press locking bar 38 downwards, close a floodgate until expulsion tube 29, in this course, descending locking bar 38 presses its crank connecting lever 49, force driven shaft 42 to rotate, drive the energy storage of driven shaft back-moving spring, revolve in the rotation of driven shaft chain wheel 37 with driven shaft 42 simultaneously, the arc-shaped notch complementary fit of its curved flanges and universal driving shaft chain wheel 34, restriction, locking ground connection moving knife 32 gate-dividing states, thereby make ground connection moving knife 32 when expulsion tube closes a floodgate, can not carry out the operation of combined floodgate ground connection; 2, after expulsion tube 29 separating brakes or the dislodging, locking bar 38 loses expulsion tube 29 restrictions, under the energy storage effect of driven shaft reduction torsion spring, driven shaft chain wheel 37 curved flanges slip over along universal driving shaft chain wheel 34 arc-shaped notch, locking bar 38 rotates up with driven shaft 42, as shown in Figure 4, the arc-shaped notch that breaks away from universal driving shaft chain wheel 34 until driven shaft chain wheel 37 curved flanges, thereby make the ground connection universal driving shaft break away from the locking action of complementary chain wheel, at this moment spur combined floodgate latch hook 62, ground connection universal driving shaft 30 clockwise rotates under the drive of its combined floodgate torsion spring, drive ground connection moving knife 32 and ground connection fixed contact 33 contacts of earth action, meanwhile, the curved flanges of universal driving shaft chain wheel 34 slips into the arc-shaped notch of driven shaft chain wheel 37 in rotation, thereby the up position of locking locking bar 38, the phenomenon that expulsion tube 29 closes a floodgate takes place in mistake under the earthed switch "on" position to avoid, as shown in Figure 6; 3, interlock earthed switch sub-switching operation: with restraining the combined floodgate ring 35 that makes on the excellent little hook pulling ground connection moving knife, force ground connection moving knife 32 to break away from ground connection fixed contact 33, it in rotation ground connection universal driving shaft combined floodgate torque spring energy store, when ground connection universal driving shaft 30 rotates final position, the locked groove 61 of the braking lock 60 of interlock grounding shaft 30 axle heads enters combined floodgate latch hook 62 and is grounded universal driving shaft 30 hook locks, be pulled in the process at ground connection universal driving shaft 30, the curved flanges of universal driving shaft chain wheel 34 breaks away from the arc-shaped notch of driven shaft chain wheel 37, make both break away from the mutual restriction state, just can carry out the expulsion tube closing operation this moment, expulsion tube 29 presses locking bar 38 and crank connecting lever 49 thereof when closing a floodgate, drive on driven shaft 42 and the chain wheel 37 thereof and revolve, the curved flanges of driven shaft chain wheel 37 slips in the arc-shaped notch of universal driving shaft chain wheel 34, promptly be grounded universal driving shaft 30 lockings again, i.e. configuration state as shown in Figure 2.
Claims (2)
1. high-voltage combined falling switch on pole outdoor, it is characterized in that it is the three-phase drop switch package assembly that is assembled in same base, also be provided with the base that is used for fixing the line bar frame plate is installed, each phase load side of drop switch is provided with three earthed switches that link, each phase ground connection fixed contact (33) of interlock earthed switch is electrically connected respectively and is arranged on each phase load side insulation chapelet upper end switch fixed contact (28), the ground moving knife that respectively joins that cooperates with three-phase ground connection fixed contact switch respectively is fixed on the ground connection universal driving shaft (30), also be fixed with on the ground connection universal driving shaft and each ground connection interlocking device locking mutually, the universal driving shaft chain wheel (34) of cooperation left by lock, be set with the combined floodgate torsion spring on the ground connection universal driving shaft, and rotate and to be arranged on the base (1) of load side, ground connection universal driving shaft one axle head is provided with and is articulated in combined floodgate latch hook (62) the lock braking lock (60) that has locked groove movingly on the base; Described ground connection interlocking device includes locking bar (38), end link is arranged on the crank connecting lever (49) of driven shaft drive under the locking bar, act on the expulsion tube below through spacing guiding, locking bar upper end, suit reduction torsion spring on the driven shaft, and be fixed with each mutually universal driving shaft chain wheel (34) locking, lock and open the driven shaft chain wheel (37) of cooperation; Universal driving shaft chain wheel and driven shaft chain wheel are the crescent chain wheel, and both relative engagement upper lateral parts are equipped with the arc-shaped notch with the curved flanges complementary fit of relative chain wheel.
2. combined falling switch according to claim 1 is characterized in that the ground connection moving knife is provided with the ring (35) that closes a floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101573477A CN101206969B (en) | 2007-09-30 | 2007-09-30 | High-voltage combined falling switch on pole outdoor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101573477A CN101206969B (en) | 2007-09-30 | 2007-09-30 | High-voltage combined falling switch on pole outdoor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101206969A CN101206969A (en) | 2008-06-25 |
| CN101206969B true CN101206969B (en) | 2010-04-21 |
Family
ID=39567059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101573477A Expired - Fee Related CN101206969B (en) | 2007-09-30 | 2007-09-30 | High-voltage combined falling switch on pole outdoor |
Country Status (1)
| Country | Link |
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| CN (1) | CN101206969B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054618B (en) * | 2011-01-19 | 2012-10-17 | 上海思源高压开关有限公司 | Three-phase common-box type high-speed grounding switching device |
| CN102237640A (en) * | 2011-07-12 | 2011-11-09 | 辽宁省电力有限公司辽阳供电公司 | Bounce-proof device for movable contact arm of grounding disconnecting link |
| CN102891034B (en) * | 2012-09-19 | 2015-08-19 | 河南平高电气股份有限公司 | A kind of primary cut-out and operating mechanism thereof |
| CN103730272B (en) * | 2013-12-16 | 2016-08-17 | 国家电网公司 | Fall the device that fusing one phase time three-phase synchronous drops |
| CN104157508B (en) * | 2014-07-28 | 2016-05-25 | 北京华电瑞通电力工程技术有限公司 | Contact connecting structure and breaker under a kind of breaker |
| CN107369926B (en) * | 2016-05-13 | 2023-11-07 | 国网青海省电力公司海东供电公司 | Operation and maintenance auxiliary device and operation method for 10kV #1 rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215768Y (en) * | 1994-10-22 | 1995-12-20 | 蒋岢位 | Improved automatic cut-off switch |
| CN2620374Y (en) * | 2003-06-04 | 2004-06-09 | 曲克玉 | Outdoor ac high-voltage fall-down fuse with cutting load and ground switch |
| CN2914319Y (en) * | 2006-03-22 | 2007-06-20 | 杜玉庆 | Three-phase linkage AC high-voltage drop-out type fuse cutout |
| CN201084575Y (en) * | 2007-09-30 | 2008-07-09 | 丹东供电设备厂 | A high-pressure combined-type fall switch on outdoor posts |
-
2007
- 2007-09-30 CN CN2007101573477A patent/CN101206969B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215768Y (en) * | 1994-10-22 | 1995-12-20 | 蒋岢位 | Improved automatic cut-off switch |
| CN2620374Y (en) * | 2003-06-04 | 2004-06-09 | 曲克玉 | Outdoor ac high-voltage fall-down fuse with cutting load and ground switch |
| CN2914319Y (en) * | 2006-03-22 | 2007-06-20 | 杜玉庆 | Three-phase linkage AC high-voltage drop-out type fuse cutout |
| CN201084575Y (en) * | 2007-09-30 | 2008-07-09 | 丹东供电设备厂 | A high-pressure combined-type fall switch on outdoor posts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101206969A (en) | 2008-06-25 |
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Owner name: LIAONING YIDE ELECTRIC CO., LTD. Free format text: FORMER OWNER: DANDONG POWER SUPPLY DEVICE FACTORY Effective date: 20130308 |
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Effective date of registration: 20130308 Address after: 118000 No. 603 Jinshan street, Yuanbaoshan District, Liaoning, Dandong Patentee after: DANDONG POWER-SUPPLYING EQUIPMENT FACTORY Address before: 118000, No. 603 toad Avenue, Yuanbaoshan District, Liaoning, Dandong Patentee before: Dandong Power Supply Device Factory |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20140930 |
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| EXPY | Termination of patent right or utility model |