CN209515540U - A kind of horizontal retractable ice-melt fracture isolating switch structure - Google Patents
A kind of horizontal retractable ice-melt fracture isolating switch structure Download PDFInfo
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- CN209515540U CN209515540U CN201920510532.8U CN201920510532U CN209515540U CN 209515540 U CN209515540 U CN 209515540U CN 201920510532 U CN201920510532 U CN 201920510532U CN 209515540 U CN209515540 U CN 209515540U
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- Prior art keywords
- horizontal retractable
- ice
- isolating switch
- operator lock
- melt fracture
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Abstract
The utility model provides a kind of horizontal retractable ice-melt fracture isolating switch structure, lock operating mechanism (101) are operated including horizontal retractable, horizontal retractable operator lock (106) and static contact (110), horizontal retractable operator lock (106) is flexibly connected with moving contact (108), static contact (110) passes through the second horizontally openable operation insulator (109) support, rack gear (116) are set in horizontal retractable operator lock (106), gear (118) are set on moving contact (108), engaged transmission is formed between gear (118) and rack gear (116), horizontal retractable operator lock operating mechanism (101) driving moving contact (108) and static contact (110) separating brake or combined floodgate.When carrying out ice-melt operation to transmission line of electricity, it can avoid operation of manually taking out stitches using the utility model, reduce ice-melt operation labor intensity, the security risk of ice-melt high altitude operation is avoided, so that ice-melt operating efficiency be enable to greatly improve.
Description
Technical field
The utility model relates to ice-melt fracture isolating switch field of structural design, melt more particularly, to a kind of horizontal retractable
Ice fracture isolating switch structure.
Background technique
China is one of powerline ice-covering country the most serious in the world, with the rapid development of power grid, across covering
A possibility that high pressure in ice area, extra high voltage network are more and more, and extreme weather disaster causes power grid disaster-stricken are also increasingly
Greatly.Powerline ice-covering normally results in ice coating wire and waves accident, insulator rupture accident, when wire icing is serious, even
There are broken string, the danger such as tower.
Ice-melt processing for powerline ice-covering, uses DC de-icing device at present.When in order to ensure ice-melt operation
DC voltage not on alternating current equipment constitute influence, guarantee alternating current equipment safety, when carrying out transmission line de-icing operation, need every
Ion-exchange flow device and DC de-icing device.In general, operations staff utilizes work in the converter station at transmission line of electricity both ends or substation
Connecting wire between the artificial dismantling alternating current equipment of tool and transmission line of electricity, restores to hand over after the completion of ice-melt operation, then by operations staff
Connecting wire between flow device and transmission line of electricity.And during disassembling and restoring connecting wire, it is necessary to switch to transmission line of electricity
Inspecting state just can be carried out;Also, since equipment end daughter board is higher from the ground, especially AC extra high voltage equipment, connecting wire
It is greater than 10m apart from ground level, and manual operation must certainly exist high altitude operation risk by machine tool, and operate consumption
Duration, operation intensity are big.According to converter station or substation's ice-melt scene actual count, when ice-melt for the dismounting of connecting wire and
Reconnection, activity duration are no less than 2 hours, greatly affected ice-melt operating efficiency.
Utility model content
Technical problem to be solved by the utility model is: in view of the problems of the existing technology, providing a kind of horizontal extension
Formula ice-melt fracture isolating switch structure improves ice-melt operating efficiency, reduces ice-melt operation labor intensity.
The technical problems to be solved in the utility model is realized using following technical scheme: a kind of horizontal retractable ice-melt is disconnected
Mouth disconnecting switch structure, including horizontal retractable operator lock operating mechanism, horizontal retractable operator lock and static contact, the water
It puts down telescopic operator lock to be flexibly connected with moving contact, the static contact operates insulator support, institute by the second horizontally openable
Rack gear is set on the horizontal retractable operator lock stated, gear, shape between the wheel and rack are set on the moving contact
At engaged transmission, the horizontal retractable operator lock operating mechanism driving moving contact and static contact separating brake or combined floodgate.
Preferably, spring and spring base are set on horizontal retractable operator lock.
Preferably, horizontal retractable operator lock or moving contact are fixedly connected with the second grading ring.
Preferably, the static contact includes firm banking and conductive contact, the conductive contact and firm banking it
Between formed be conductively connected.
It preferably, further include fingertip and baffle, the fingertip forms with baffle, firm banking be conductively connected respectively, institute
The baffle and conductive contact stated, which are formed, to be conductively connected.
Preferably, touch spring is set between the fingertip and firm banking.
Preferably, the arrival end of the fingertip forms pyramidal structure.
Preferably, horizontal retractable operator lock is connect with first level opening operation insulator, and described first
Horizontally openable operation insulator is connect with the first grading ring.
Preferably, second horizontally openable operation insulator is connect with third grading ring.
Preferably, conduction connecting structure is formed between horizontal retractable operator lock and first end daughter board, alternatively, institute
Conduction connecting structure is formed between the static contact stated and second end daughter board.
Compared with prior art, the utility model has the beneficial effects that passing through when carrying out ice-melt operation to transmission line of electricity
Horizontal retractable operates lock operating mechanism to drive moving contact and static contact separating brake, enables alternating current equipment and DC de-icing device
Reliably and securely it is isolated, ice-melt operation can be carried out to transmission line of electricity;After the completion of ice-melt operation, pass through horizontal retractable master
Switch operation mechanism drives moving contact and static contact to close a floodgate, thus make to form safety between alternating current equipment and transmission line of electricity, can
The connecting structure for electrical equipment leaned on.Therefore, the utility model not only can be to avoid operation of manually taking out stitches, to reduce ice-melt operation
Labor intensity, and the security risk of ice-melt high altitude operation is avoided, and transmission line of electricity when ice-melt operation can also be greatly shortened
Idle time, to greatly improve ice-melt operating efficiency.
Detailed description of the invention
Fig. 1 is a kind of organigram (separating brake shape of horizontal retractable ice-melt fracture isolating switch structure of the utility model
State).
Fig. 2 is the partial enlarged view at the A in Fig. 1.
Fig. 3 is a kind of organigram (combined floodgate shape of horizontal retractable ice-melt fracture isolating switch structure of the utility model
State).
Fig. 4 is the structural schematic diagram of the static contact in Fig. 1 or Fig. 3.
Fig. 5 is the principle that transmission line de-icing is carried out using the horizontal retractable ice-melt fracture isolating switch of the utility model
Schematic diagram.
Component token name claims in figure: 1- horizontal retractable ice-melt fracture isolating switch, 2- alternating current equipment, 3- connecting wire,
4- transmission line of electricity, 5- DC de-icing device, 101- horizontal retractable operator lock operating mechanism, the first firm banking of 102-, 103-
First level opening operation insulator, 104- first end daughter board, the first grading ring of 105-, 106- horizontal retractable operator lock,
The second grading ring of 107-, 108- moving contact, the second horizontally openable of 109- operate insulator, 110- static contact, 111- Second terminal
Plate, 112- third grading ring, the second firm banking of 113-, 114- spring, 115- spring base, 116- rack gear, 117- machine shaft,
118- gear, 1101- fingertip, 1102- touch spring, 1103- baffle, 1104- conductive contact, 1105- firm banking, 1106-
Mounting bracket.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically
The utility model is described in detail in embodiment.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
Horizontal retractable ice-melt fracture isolating switch structure as shown in Figure 1, Figure 2, Figure 3 shows, specifically includes horizontal retractable
Operator lock operating mechanism 101, first end daughter board 104, horizontal retractable operator lock 106, moving contact 108, static contact 110, second
Terminal board 111, the horizontal retractable operator installation of lock 106 are connected to 103 top of first level opening operation insulator, institute
The first level opening operation insulator 103 stated is mounted on the first firm banking 102.The static contact 110 passes through second
Horizontally openable operates insulator 109 and supports, and the second horizontally openable operation insulator 109 is mounted on the second firm banking
On 113.Conduction connecting structure is formed between the first end daughter board 104 and horizontal retractable operator lock 106, described second
Conduction connecting structure is formed between terminal board 111 and static contact 110.
Rack gear 116 is set on the horizontal retractable operator lock 106, gear 118 is set on the moving contact 108,
Engaged transmission is formed between the gear 118 and rack gear 116.The gear 118 is fixedly connected with machine shaft 117, institute
The machine shaft 117 stated is driven by horizontal retractable operator lock operating mechanism 101, is driven by the rotation of machine shaft 117
Gear 118 rotates synchronously, to enable moving contact 108 relative to horizontal retractable operator lock 106 stretching, extension or close up.It is described
Horizontal retractable operator lock 106, moving contact 108 by horizontal retractable operate lock operating mechanism 101 driving, level therein
Telescopic operator lock 106 can turn to horizontality from vertical state relative to first level opening operation insulator 103, move
Contact 108 is then rotated by gear 118 and 116 engaged transmission of rack gear relative to horizontal retractable operator lock 106, until dynamic touching
First 108 with 110 separating brake of static contact or combined floodgate.
When carrying out ice-melt operation using above-mentioned horizontal retractable ice-melt fracture isolating switch, electric wiring system construction
As shown in figure 5, the horizontal retractable ice-melt fracture isolating switch 1 respectively with alternating current equipment 2, transmission line of electricity 4, DC ice melting
Device 5 forms conduction connecting structure.Specifically, positioned at the first end daughter board 104 at 103 top of first level opening operation insulator
It is electrically connected by connecting wire 3 with the formation of alternating current equipment 2, the second end positioned at 109 top of the second horizontally openable operation insulator
Daughter board 111 be electrically connected by the formation of connecting wire 3 and transmission line of electricity 4, the DC de-icing device 5 pass through connecting wire 3 and
Transmission line of electricity 4 forms electrical connection.
When needing to carry out ice-melt operation to transmission line of electricity 4, first passes through horizontal retractable operator lock operating mechanism 101 and drive
Horizontal retractable operator lock 106, moving contact 108, and keep horizontal retractable operator lock 106 exhausted relative to first level opening operation
Edge 103 is in a vertical state, is in closed configuration between moving contact 108 and horizontal retractable operator lock 106, at this point, moving contact
108 are in an off state with static contact 110, as shown in Figure 1, to realize the automatism isolation between AC and DC electric power equipment;So
Afterwards, ice melting current can be exported by DC de-icing device 5 to transmission line of electricity 4, to carry out ice-melt operation to transmission line of electricity 4.
Level is driven after the completion of the ice-melt operation of transmission line of electricity 4, then through horizontal retractable operator lock operating mechanism 101
Telescopic operator lock 106 is rotated relative to first level opening operation insulator 103, moving contact 108 is relative to horizontal retractable
Lock 106 of operating rotates, and makes to form conduction connecting structure between moving contact 108 and static contact 110, and transmission line of electricity 4 can be made extensive
Multiple accidental conditions, as shown in figs. 3 and 5.Therefore, not only it manually can take out stitches mode to avoid traditional and carry out ice-melt work
Industry also avoids the security risk of operating personnel's ice-melt high altitude operation to reduce the labor intensity of ice-melt operation, moreover,
The idle time that transmission line of electricity when ice-melt operation can also be greatly shortened greatly improves ice-melt operating efficiency.
In order to guarantee ice-melt operation safety, caused by preventing because of electrification spacing deficiency between moving contact 108 and static contact 110,
It discharges between moving contact 108 and ground, between static contact 110 and ground and causes short circuit, according to the above working method it is found that the level
The ice-melt DC voltage that the fracture spacing of telescopic ice-melt fracture isolating switch 1 is only subjected to DC de-icing device 5 therefore can
It is designed according to the output voltage grade and overvoltage level of DC de-icing device 5, and moving contact 108, static contact 110 are over the ground
Distance need to be according to the voltage class (110kV, 220kV, 330kV, 500kV, 750kV or 1000kV) and overvoltage of transmission line of electricity 4
Level is designed.Therefore, can to carry out design level according to 5 output voltage grade of DC de-icing device and overvoltage level telescopic
The fracture spacing of ice-melt fracture isolating switch 1.In general, the DC ice melting output voltage of DC de-icing device 5 does not exceed 50kV,
So fracture spacing can reduce 2~3m.It is designed according to 5 output voltage grade of DC de-icing device and overvoltage level between fracture
Away from, be conducive to the longitudinal occupied space for further reducing ice-melting device entirety, thus save floor occupying area, engineering construction
It is good, reduce cost of investment.
Horizontal retractable operator lock 106,108 phase of moving contact are being driven by horizontal retractable operator lock operating mechanism 101
It, can be in horizontal retractable in order to mitigate mechanical force when horizontal retractable operator lock 106, the movement of moving contact 108 when to movement
Spring 114 and spring base 115 are set on operator lock 106, as shown in Figure 2.When moving contact 108 is relative to horizontal retractable operator lock
When 106 rotation, the moving contact 108 is contacted with spring base 115, is made so as to play certain buffering using spring 114
With.
In order to guarantee that the conduction connecting structure between moving contact 108 and static contact 110 is safer and more reliable, described is dynamic
Contact 108 preferably uses the moving contact of clamped structure, and the static contact 110 can use structure as shown in Figure 4, specific to wrap
Fingertip 1101, touch spring 1102, baffle 1103, conductive contact 1104 and firm banking 1105 and mounting bracket 1106 are included,
The static contact 110 operates insulator 109 with the second horizontally openable by mounting bracket 1106 and connect.The fingertip 1101
Arrival end preferably uses pyramidal structure, is connected between the firm banking 1105 and mounting bracket 1106 by nut-screw.
The fingertip 1101 forms with baffle 1103, firm banking 1105 be conductively connected respectively, in fingertip 1101 and firm banking
Touch spring 1102 is set between 1105, and the baffle 1103 and conductive contact 1104, which are formed, to be conductively connected, described as a result,
It is also formed and is conductively connected between conductive contact 1104 and firm banking 1105.
In order to equilibrium level it is telescopic operator lock 106, moving contact 108, static contact 110 surface field intensity and optimize
Field distribution can be fixedly connected with the first grading ring 105, in the second water at the top of first level opening operation insulator 103
The top of flat opening operation insulator 109 is fixedly connected with third grading ring 112, meanwhile, the horizontal retractable operator lock 106
Or moving contact 108 is fixedly connected with the second grading ring 107.As shown in Figure 1, Figure 3, the static contact 110, second end daughter board
111 are installed in 109 top of the second horizontally openable operation insulator, so as to share the third grading ring 112 at this, thus
It is further reduced power equipment occupied area and cost of investment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of horizontal retractable ice-melt fracture isolating switch structure, including horizontal retractable operator lock operating mechanism (101), water
Put down telescopic operator lock (106) and static contact (110), described horizontal retractable operator lock (106) and moving contact (108) activity
Connection, the static contact (110) pass through the second horizontally openable operation insulator (109) support, it is characterised in that: the water
Setting rack gear (116) on telescopic operator lock (106) is put down, gear (118) are set on the moving contact (108), the tooth
It takes turns and forms engaged transmission between (118) and rack gear (116), horizontal retractable operator lock operating mechanism (101) driving is dynamic
Contact (108) and static contact (110) separating brake or combined floodgate.
2. horizontal retractable ice-melt fracture isolating switch structure according to claim 1, it is characterised in that: the level
Spring (114) and spring base (115) are set on telescopic operator lock (106).
3. horizontal retractable ice-melt fracture isolating switch structure according to claim 1, it is characterised in that: the level
Telescopic operator lock (106) or moving contact (108) are fixedly connected with the second grading ring (107).
4. horizontal retractable ice-melt fracture isolating switch structure according to claim 1-3, it is characterised in that: institute
The static contact (110) stated includes firm banking (1105) and conductive contact (1104), the conductive contact (1104) and fixed
It is formed and is conductively connected between pedestal (1105).
5. horizontal retractable ice-melt fracture isolating switch structure according to claim 4, it is characterised in that: further include fingertip
(1101) and baffle (1103), the fingertip (1101) form conductive connect with baffle (1103), firm banking (1105) respectively
It connects, the baffle (1103) and conductive contact (1104) form and are conductively connected.
6. horizontal retractable ice-melt fracture isolating switch structure according to claim 5, it is characterised in that: the fingertip
(1101) touch spring (1102) are set between firm banking (1105).
7. horizontal retractable ice-melt fracture isolating switch structure according to claim 5, it is characterised in that: the fingertip
(1101) arrival end forms pyramidal structure.
8. horizontal retractable ice-melt fracture isolating switch structure according to claim 1-3, it is characterised in that: institute
Horizontal retractable operator lock (106) stated is connect with first level opening operation insulator (103), and the first level is opened
Operation insulator (103) is connect with the first grading ring (105).
9. horizontal retractable ice-melt fracture isolating switch structure according to claim 1-3, it is characterised in that: institute
The second horizontally openable operation insulator (109) stated is connect with third grading ring (112).
10. horizontal retractable ice-melt fracture isolating switch structure according to claim 1-3, it is characterised in that:
Conduction connecting structure is formed between horizontal retractable operator lock (106) and first end daughter board (104), alternatively, described
Conduction connecting structure is formed between static contact (110) and second end daughter board (111).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920510532.8U CN209515540U (en) | 2019-04-16 | 2019-04-16 | A kind of horizontal retractable ice-melt fracture isolating switch structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920510532.8U CN209515540U (en) | 2019-04-16 | 2019-04-16 | A kind of horizontal retractable ice-melt fracture isolating switch structure |
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Publication Number | Publication Date |
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CN209515540U true CN209515540U (en) | 2019-10-18 |
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ID=68188387
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CN201920510532.8U Active CN209515540U (en) | 2019-04-16 | 2019-04-16 | A kind of horizontal retractable ice-melt fracture isolating switch structure |
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CN (1) | CN209515540U (en) |
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2019
- 2019-04-16 CN CN201920510532.8U patent/CN209515540U/en active Active
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