CN209515545U - A kind of single ground connection horizontal retractable ice-melt disconnecting switch structure - Google Patents
A kind of single ground connection horizontal retractable ice-melt disconnecting switch structure Download PDFInfo
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- CN209515545U CN209515545U CN201920510420.2U CN201920510420U CN209515545U CN 209515545 U CN209515545 U CN 209515545U CN 201920510420 U CN201920510420 U CN 201920510420U CN 209515545 U CN209515545 U CN 209515545U
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- horizontal retractable
- ice
- melt
- ground connection
- disconnecting switch
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Abstract
The utility model provides a kind of single ground connection horizontal retractable ice-melt disconnecting switch structure, including earthing switch, horizontal retractable operator lock operating mechanism, horizontal retractable operator lock and static contact, horizontal retractable operator lock is flexibly connected with moving contact, static contact operates insulator support by the second horizontally openable, rack gear is set on horizontal retractable operator lock, gear is set on moving contact, engaged transmission, horizontal retractable operator lock operating mechanism driving moving contact and static contact separating brake or combined floodgate are formed between wheel and rack.Ice-melt operation is carried out to transmission line of electricity using the utility model, it not only can avoid operation of manually taking out stitches, reduce the labor intensity of ice-melt operation, avoid the security risk of ice-melt high altitude operation, and the idle time of transmission line of electricity when ice-melt operation can also be greatly shortened, greatly improve ice-melt operating efficiency；The ground protection of exchange line-outgoing equipment can also be realized by the way that earthing switch is arranged, and guarantee upkeep operation safety.
Description
Technical field
The utility model relates to ice-melt disconnecting switch field of structural design, more particularly, to a kind of single ground connection horizontal retractable
Ice-melt disconnecting 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 single ground connection water
Telescopic ice-melt disconnecting switch structure is equalled, ice-melt operating efficiency and operational security are improved.
The technical problems to be solved in the utility model is realized using following technical scheme: a kind of single ground connection horizontal retractable
Ice-melt disconnecting switch structure, including earthing switch, horizontal retractable operator lock operating mechanism, horizontal retractable operator lock and stationary contact
Head, the horizontal retractable operator lock are flexibly connected with moving contact, and the static contact is exhausted by the operation of the second horizontally openable
Rack gear is arranged on the described horizontal retractable operator lock in the support of edge, is arranged gear on the moving contact, the gear with
Formed between rack gear engaged transmission, the described horizontal retractable operator lock operating mechanism driving moving contact and static contact separating brake or
It closes a 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, the main part of the earthing switch is mounted on the first firm banking, and the ground connection of the earthing switch is opened
It closes static contact and first end daughter board forms conduction connecting structure.
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.It is exchanged out in addition, can also be realized by setting earthing switch
The ground protection of line equipment, the line-outgoing equipment convenient to overhaul when transmission line of electricity is in ice melting guarantee upkeep operation safety.
Detailed description of the invention
Fig. 1 is that a kind of organigram of single ground connection horizontal retractable ice-melt disconnecting switch structure of the utility model is (horizontal
Telescopic operator lock separating brake, earthing switch close a floodgate).
Fig. 2 is the partial enlarged view at the A in Fig. 1.
Fig. 3 is that a kind of organigram of single ground connection horizontal retractable ice-melt disconnecting switch structure of the utility model is (horizontal
Telescopic operator lock closes a floodgate, grounding switch tripping).
Fig. 4 is the structural schematic diagram of the static contact in Fig. 1 or Fig. 3.
Fig. 5 is the schematic illustration that transmission line de-icing is carried out using the utility model.
Component token name claims in figure: the mono- ground connection horizontal retractable ice-melt disconnecting switch of 1-, 2- alternating current equipment, 3- connection are led
Line, 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-, the operator of 106- horizontal retractable
Lock, the second grading ring of 107-, 108- moving contact, the second horizontally openable of 109- operate insulator, 110- static contact, 111- second end
Daughter board, 112- third grading ring, the second firm banking of 113-, 114- spring, 115- spring base, 116- rack gear, 117- motor turn
Axis, 118- gear, 119- earthing switch operating mechanism, 120- earthing switch, 120a- moving contact of grounding switch, 120b- ground connection are opened
Close static contact, 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.
Single ground connection horizontal retractable ice-melt disconnecting switch structure as shown in Figure 1, Figure 2, Figure 3 shows, specifically includes earthing switch
120, earthing switch operating mechanism 119, horizontal retractable operator lock operating mechanism 101, first end daughter board 104, horizontal retractable
Operator lock 106, moving contact 108, static contact 110, second end daughter board 111, the horizontal retractable operator installation connection of lock 106
At 103 top of first level opening operation insulator, it is fixed that the first level opening operation insulator 103 is mounted on first
On pedestal 102.The static contact 110 operates insulator 109 by the second horizontally openable and supports, second horizontally openable
Operation insulator 109 is mounted on the second firm banking 113.The first end daughter board 104 and horizontal retractable operator lock 106
Between form conduction connecting structure, form conduction connecting structure between the second end daughter board 111 and static contact 110.
The main part of the earthing switch 120 is mounted on the first firm banking 102, the ground connection of the earthing switch 120
Switch static contact 120b and first end daughter board 104 form conduction connecting structure.The driving of earthing switch operating mechanism 119 connects
Ground switch 120 makees separating brake, feed motion, as the moving contact of grounding switch 120a and static contact of grounding switch on earthing switch 120
When forming conduction connecting structure between 120b, the earthing switch 120 closes a floodgate；When the earthing switch on earthing switch 120 is dynamic
Contact 120a and static contact of grounding switch 120b it is separated when, 120 separating brake of earthing switch.Wherein, the ground connection
Switch static contact 120b preferably uses toroidal structure, and the moving contact of grounding switch 120a preferably uses bar type structure,
To facilitate the conductive connection between moving contact of grounding switch 120a and static contact of grounding switch 120b and guarantee that conductive connection can
It leans on.
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 single ground connection horizontal retractable ice-melt disconnecting switch, electric wiring system structure
Make as shown in figure 5, described single ground connection horizontal retractable ice-melt disconnecting switch 1 respectively with alternating current equipment 2, transmission line of electricity 4, direct current
Deicing device 5 forms conduction connecting structure.Specifically, positioned at the first terminal at 103 top of first level opening operation insulator
Plate 104 be electrically connected by the formation of connecting wire 3 and alternating current equipment 2, and the at the top of insulator 109 is operated positioned at the second horizontally openable
Two-terminal plate 111 is electrically connected by connecting wire 3 with the formation of transmission line of electricity 4, and the DC de-icing device 5 passes through connecting wire
3 are electrically connected with the formation of transmission line of electricity 4.
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.Its
In, it drives earthing switch 120 to close a floodgate by earthing switch operating mechanism 119, the ground protection of exchange line-outgoing equipment may be implemented,
The line-outgoing equipment convenient to overhaul when transmission line of electricity 4 is in ice melting, to guarantee upkeep operation safety.
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, at this point, the earthing switch 120 is in gate-dividing state, as shown in figs. 3 and 5.It therefore, not only can be with
Avoid it is traditional manually take out stitches mode to carry out ice-melt operation, to reduce the labor intensity of ice-melt operation, also avoid making
The security risk of industry personnel's ice-melt high altitude operation, it can also the idle time of transmission line of electricity when ice-melt operation is greatly shortened,
Greatly improve 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 this singly connects
The fracture spacing of ground horizontal retractable ice-melt disconnecting switch 1 is only subjected to the ice-melt DC voltage of DC de-icing device 5, therefore,
It can be designed according to the output voltage grade and overvoltage level of DC de-icing device 5, and moving contact 108, static contact 110 are right
Ground distance need to be according to the voltage class (110kV, 220kV, 330kV, 500kV, 750kV or 1000kV) of transmission line of electricity 4 and excessively electric
Voltage levels are designed.Therefore, single ground connection water can be designed according to 5 output voltage grade of DC de-icing device and overvoltage level
Equal the fracture spacing of telescopic ice-melt disconnecting 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
Fracture spacing is conducive to the longitudinal occupied space for further reducing ice-melting device entirety, to save floor occupying area, engineering is real
The property applied is good, reduces 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 single ground connection horizontal retractable ice-melt disconnecting switch structure, including earthing switch (120), horizontal retractable operator lock
Operating mechanism (101), horizontal retractable operator lock (106) and static contact (110), the horizontal retractable operate lock (106)
It being flexibly connected with moving contact (108), the static contact (110) is supported by the second horizontally openable operation insulator (109),
It is characterized in that: rack gear (116) being set in horizontal retractable operator lock (106), tooth is arranged on (108) in the moving contact
It takes turns (118), forms engaged transmission, the main switch operation of the horizontal retractable between the gear (118) and rack gear (116)
Mechanism (101) drives moving contact (108) and static contact (110) separating brake or combined floodgate.
2. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1, it is characterised in that: the water
It puts down and spring (114) and spring base (115) is set on telescopic operator lock (106).
3. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1, it is characterised in that: the water
It puts down telescopic operator lock (106) or moving contact (108) is fixedly connected with the second grading ring (107).
4. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1-3, it is characterised in that:
The static contact (110) includes firm banking (1105) and conductive contact (1104), the conductive contact (1104) and solid
Determine to be formed between pedestal (1105) and be conductively connected.
5. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 4, it is characterised in that: further include touching
Refer to that (1101) and baffle (1103), the fingertip (1101) form with baffle (1103), firm banking (1105) conductive respectively
Connection, the baffle (1103) and conductive contact (1104) form and are conductively connected.
6. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 5, it is characterised in that: the touching
Refer to and touch spring (1102) are set between (1101) and firm banking (1105).
7. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 5, it is characterised in that: the touching
Refer to that the arrival end of (1101) forms pyramidal structure.
8. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1-3, it is characterised in that:
Horizontal retractable operator lock (106) is connect with first level opening operation insulator (103), and the first level is opened
Operation insulator (103) is opened to connect with the first grading ring (105).
9. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1-3, it is characterised in that:
Second horizontally openable operation insulator (109) is connect with third grading ring (112).
10. single ground connection horizontal retractable ice-melt disconnecting switch structure according to claim 1-3, feature exist
In: the main part of the earthing switch (120) is mounted on the first firm banking (102), the ground connection of the earthing switch (120)
Switch static contact (120b) and first end daughter board (104) form conduction connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510420.2U CN209515545U (en) | 2019-04-16 | 2019-04-16 | A kind of single ground connection horizontal retractable ice-melt disconnecting switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920510420.2U CN209515545U (en) | 2019-04-16 | 2019-04-16 | A kind of single ground connection horizontal retractable ice-melt disconnecting switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209515545U true CN209515545U (en) | 2019-10-18 |
Family
ID=68188297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920510420.2U Active CN209515545U (en) | 2019-04-16 | 2019-04-16 | A kind of single ground connection horizontal retractable ice-melt disconnecting switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209515545U (en) |
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2019
- 2019-04-16 CN CN201920510420.2U patent/CN209515545U/en active Active
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