CN109872916A - Horizontal retractable double-fracture ice-melt disconnecting switch - Google Patents
Horizontal retractable double-fracture ice-melt disconnecting switch Download PDFInfo
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- CN109872916A CN109872916A CN201910302703.2A CN201910302703A CN109872916A CN 109872916 A CN109872916 A CN 109872916A CN 201910302703 A CN201910302703 A CN 201910302703A CN 109872916 A CN109872916 A CN 109872916A
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- disconnecting link
- horizontal retractable
- melt
- ice
- level
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Abstract
The present invention provides a kind of horizontal retractable double-fracture ice-melt disconnecting switch, including vertical opening type disconnecting link, horizontal retractable switch operation mechanism, the telescopic disconnecting link of first level, second horizontal retractable disconnecting link and static contact, the telescopic disconnecting link of first level, second horizontal retractable disconnecting link is driven by horizontal retractable switch operation mechanism, static contact operates insulator support by the second horizontally openable, rack gear is set on the telescopic disconnecting link of first level, gear is set on second horizontal retractable disconnecting link, engaged transmission is formed between wheel and rack, horizontal retractable switch operation mechanism drives the second horizontal retractable disconnecting link and static contact separating brake or combined floodgate.Ice-melt operation is carried out to transmission line of electricity using the present invention, to avoid the security risk of ice-melt high altitude operation, while the idle time of transmission line of electricity when ice-melt operation can also be greatly shortened to avoid operation of manually taking out stitches, greatly improve ice-melt operating efficiency.
Description
Technical field
The present invention relates to ice-melt disconnecting switch field of structural design, more particularly, to a kind of horizontal retractable double-fracture ice-melt
Disconnecting switch.
Background technique
High pressure, EHV transmission with the construction of Global climate change and UHV Transmission Engineering, across ice-covering area
A possibility that route is more and more, and large area icing occurs in winter in transmission line of electricity are increasing；And powerline ice-covering, usually
It will lead to ice coating wire and wave accident, insulator rupture accident, when wire icing is serious, or even have broken string, the danger such as tower.
For powerline ice-covering, at present mainly using DC de-icing device.For alternating current equipment safety, power transmission line
When the ice-melt of road, alternating current equipment and DC ice melting route need to be isolated.To ensure that DC voltage when ice-melt does not cause alternating current equipment
Influence, in the converter station at DC ice-melting both ends or substation, operations staff use a tool to manually disassemble alternating current equipment with directly
The connecting wire between DC ice-melting is flowed, after the completion of ice-melt, operations staff restores again between alternating current equipment and DC ice melting route
Connecting wire.During disassembling and restoring connecting wire, it is necessary to transmission line of electricity, which is switched to inspecting state just, can be carried out, and
Alternating current equipment terminal board is higher from the ground, especially AC extra high voltage equipment, and connecting wire is greater than 10m apart from ground level.Cause
This, there are high altitude operation risks when manual operation ice-melt, and operate that time-consuming is more, operation intensity is big, greatly affected ice-melt
Operating efficiency.
Summary of the invention
The technical problem to be solved by the present invention is in view of the problems of the existing technology, it is double to provide a kind of horizontal retractable
Fracture ice-melt disconnecting switch avoids ice-melt high altitude operation risk, improves ice-melt operating efficiency.
The technical problem to be solved in the present invention is realized using following technical scheme: a kind of horizontal retractable double-fracture ice-melt
Disconnecting switch, including vertical opening type disconnecting link, horizontal retractable switch operation mechanism, the telescopic disconnecting link of first level, the second water
Telescopic disconnecting link and static contact are put down, the telescopic disconnecting link of the first level, the second horizontal retractable disconnecting link pass through horizontal extension
The driving of formula switch operation mechanism, the static contact operate insulator support, the first level by the second horizontally openable
Rack gear is set on telescopic disconnecting link, gear is set on the second horizontal retractable disconnecting link, between the wheel and rack
Form engaged transmission, the horizontal retractable switch operation mechanism drive the second horizontal retractable disconnecting link and static contact separating brake or
Person closes a floodgate.
Preferably, spring and spring base are set on the telescopic disconnecting link of the first level.
Preferably, the telescopic disconnecting link of the first level or the second horizontal retractable disconnecting link are fixed with the second grading ring
Connection.
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, the telescopic disconnecting link of the first level is connect with first level opening operation insulator, and described
One horizontally openable operation insulator is connect with the first grading ring.
Preferably, second horizontally openable operation insulator is connect with third grading ring.
Compared with prior art, the beneficial effects of the present invention are: by the telescopic disconnecting link of first level be arranged rack gear,
Gear is set on the second horizontal retractable disconnecting link, and make between wheel and rack formed engaged transmission, to transmission line of electricity into
When row ice-melt operation, the second horizontal retractable disconnecting link and static contact separating brake are driven by horizontal retractable switch operation mechanism,
Then ice-melt operation can be carried out to transmission line of electricity；After the completion of ice-melt operation, by horizontal retractable switch operation mechanism come
The second horizontal retractable disconnecting link and static contact is driven to close a floodgate, not only can be to avoid operation of manually taking out stitches, and then avoid ice-melt height
The security risk of idle job, additionally it is possible to the idle time of transmission line of electricity when ice-melt operation is greatly shortened, to greatly improve
Ice-melt operating efficiency；In addition, longitudinal occupied space of ice-melting device entirety can also be efficiently reduced, to save land occupation face
Product, reduces cost of investment, with good economic efficiency.
Detailed description of the invention
Fig. 1 be horizontal retractable double-fracture ice-melt disconnecting switch of the invention front view (transmission line of electricity is in ice-melt work
Under condition, horizontal retractable disconnecting link separating brake, vertical opening type disconnecting link closes a floodgate).
Fig. 2 is the partial enlarged view at the A in Fig. 1.
Fig. 3 is front view (the transmission line of electricity normal operation work of horizontal retractable double-fracture ice-melt disconnecting switch of the invention
Under condition, horizontal retractable disconnecting link closes a floodgate, vertical opening type disconnecting link separating brake).
Fig. 4 is right view (the transmission line of electricity normal operation work of horizontal retractable double-fracture ice-melt disconnecting switch of the invention
Under condition, horizontal retractable disconnecting link closes a floodgate, vertical opening type disconnecting link separating brake).
Fig. 5 is the structural schematic diagram of the static contact in Fig. 1 or Fig. 3.
Fig. 6 is the electric wiring system structural map (power transmission line of horizontal retractable double-fracture ice-melt disconnecting switch of the invention
Road ice melting schematic illustration).
Component token name claims in figure: 1- horizontal retractable double-fracture ice-melt disconnecting switch, 2- outlet structure, 3-GIS outlet
Casing, 4- transmission line of electricity, 5- connecting wire, 6- voltage transformer, 7- arrester, 8- ice-melt pipe is female, 9- support insulator, 101-
Horizontal retractable switch operation 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 telescopic disconnecting link of 106- first level, the second grading ring of 107-, the second horizontal retractable of 108-
Disconnecting link, the second horizontally openable of 109- operate insulator, 110- static contact, 111- second end daughter board, 112- third grading ring, 113-
Vertical opening type disconnecting link, 114- third terminal plate, 115- vertical unlocking operate insulator, 116- vertical opening type switch operation machine
Structure, 117- spring, 118- spring base, 119- rack gear, 120- machine shaft, 121- gear, the second firm banking of 122-, 1101-
Fingertip, 1102- touch spring, 1103- baffle, 1104- conductive contact, 1105- firm banking, 1106- mounting bracket.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Horizontal retractable double-fracture ice-melt disconnecting switch as shown in Figure 1, Figure 2, Figure 3, Figure 4, specifically includes horizontal extension
The telescopic disconnecting link 106 of formula switch operation mechanism 101, first end daughter board 104, first level, the second horizontal retractable disconnecting link 108,
Static contact 110, second end daughter board 111, vertical opening type disconnecting link 113, third terminal plate 114, vertical opening type switch operation machine
Structure 116, the telescopic installation of disconnecting link 106 of the first level is connected to 103 top of first level opening operation insulator, described
First level opening operation insulator 103 be mounted on the first firm banking 102.The static contact 110 passes through the second water
Flat opening operation insulator 109 supports, and the vertical opening type disconnecting link 113 is mounted on vertical unlocking operation insulator 115 and pushes up
Portion, the second horizontally openable operation insulator 109, vertical unlocking operation insulator 115 are installed in the second firm banking
On 122.It is formed and is conductively connected between the first end daughter board 104 and the telescopic disconnecting link 106 of first level, the second end
It is formed and is conductively connected between daughter board 111 and static contact 110, between the third terminal plate 114 and vertical opening type disconnecting link 113
It is formed and is conductively connected.
Rack gear 119, the second horizontal retractable disconnecting link 108 are set on the telescopic disconnecting link 106 of the first level
Upper setting gear 121 forms engaged transmission between the gear 121 and rack gear 119.The gear 121 and machine shaft
120 are fixedly connected, and the machine shaft 120 is driven by horizontal retractable switch operation mechanism 101, by machine shaft 120
Rotation carry out band moving gear 121 and rotate synchronously, to keep the second horizontal retractable disconnecting link 108 flexible relative to first level
Formula disconnecting link 106 stretches or closes up.The telescopic disconnecting link 106 of the first level, the second horizontal retractable disconnecting link 108 pass through water
It equals telescopic switch operation mechanism 101 to drive, the telescopic disconnecting link 106 of first level therein can be opened relative to first level
Operation insulator 103 turns to horizontality from vertical state, and the second horizontal retractable disconnecting link 108 then passes through gear 121 and tooth
The engaged transmission of item 119 and rotated relative to the telescopic disconnecting link 106 of first level, until the second horizontal retractable disconnecting link 108 with it is quiet
110 separating brake of contact or combined floodgate.
When carrying out ice-melt operation using above-mentioned horizontal retractable double-fracture ice-melt disconnecting switch, electric wiring system structure
Make as shown in fig. 6, the horizontal retractable double-fracture ice-melt disconnecting switch 1 respectively with transmission line of electricity 4, arrester 7, ice-melt pipe
Mother 8 forms conduction connecting structure, and the transmission line of electricity 4 is supported by outlet structure 2, and the arrester 7 passes through company
The formation of conducting wire 5 and voltage transformer 6 is connect be electrically connected, the voltage transformer 6 by connecting wire 5 and GIS outlet casing tube 3 it
Between form electrical connection, the described ice-melt pipe mother 8 is supported by support insulator 9.Specifically, it is located at first level and opens behaviour
The first end daughter board 104 for making 103 top of insulator is electrically connected by connecting wire 5 with the formation of arrester 7, is opened positioned at the second level
The second end daughter board 111 for opening operation insulator 109 top, which is formed by connecting wire 5 with transmission line of electricity 4, to be electrically connected, and described the
Three terminal boards 114 are formed with ice-melt pipe mother 8 by connecting wire 5 and are electrically connected.
When needing to carry out ice-melt operation to transmission line of electricity 4, as shown in Fig. 1, Fig. 6, horizontal retractable disconnecting link therein point
Lock, to realize the automatism isolation between AC and DC electric power equipment；And vertical opening type disconnecting link closes a floodgate, to realize to the defeated of ice-melt
Automatic connection between electric line and DC ice melting route.Specifically,
It first passes through horizontal retractable switch operation mechanism 101 and drives the telescopic disconnecting link 106 of first level, the second horizontal extension
Formula disconnecting link 108, and the telescopic disconnecting link 106 of first level is made to be in vertical shape relative to first level opening operation insulator 103
State is in closed configuration between the second horizontal retractable disconnecting link 108 and the telescopic disconnecting link 106 of first level, at this point, the second level is stretched
Contracting formula disconnecting link 108 is in an off state with static contact 110, to realize the automatism isolation between AC and DC electric power equipment.
Then, drive vertical opening type disconnecting link 113 fixed relative to second by vertical opening type switch operation mechanism 116
Pedestal 122 stretches out upwards, and is allowed to form conduction connecting structure between second end daughter board 111.At this point, ice melting current can lead to
It crosses ice-melt pipe mother 8 to input, then enters transmission line of electricity 4 through vertical opening type disconnecting link 113.
After the completion of the ice-melt operation of transmission line of electricity 4, first passes through vertical opening type switch operation mechanism 116 and drive and vertically open
Formula disconnecting link 113 is opened relative to 122 retracted downward of the second firm banking, and is allowed to be fully disconnected between second end daughter board 111；Again
Drive the telescopic disconnecting link 106 of first level relative to first level opening operation by horizontal retractable switch operation mechanism 101
The rotation of insulator 103, the second horizontal retractable disconnecting link 108 rotate relative to the telescopic disconnecting link 106 of first level, and make the second water
It puts down and forms conduction connecting structure between telescopic disconnecting link 108 and static contact 110, so that transmission line of electricity 4 is in normal
Under operating condition, as shown in Figure 3, Figure 4.
The telescopic disconnecting link 106 of first level, the second horizontal extension are being driven by horizontal retractable switch operation mechanism 101
When formula 108 relative motion of disconnecting link, when in order to mitigate the telescopic disconnecting link 106 of first level, the movement of the second horizontal retractable disconnecting link 108
Mechanical force, spring 117 and spring base 118 can be set on the telescopic disconnecting link 106 of first level, as shown in Figure 2.When second
When horizontal retractable disconnecting link 108 is rotated relative to the telescopic disconnecting link 106 of first level, the second horizontal retractable disconnecting link
108 contact with spring base 118, so as to play certain buffer function using spring 117.
In order to guarantee the conduction connecting structure between the second horizontal retractable disconnecting link 108 and static contact 110 it is safer, can
It leans on, the static contact 110 can use structure as shown in Figure 5, specifically include fingertip 1101, touch spring 1102, baffle
1103, conductive contact 1104 and firm banking 1105 and mounting bracket 1106, the static contact 110 pass through mounting bracket
1106 connect with the second horizontally openable operation insulator 109.The arrival end of the fingertip 1101 preferably uses pyramidal structure, described
Firm banking 1105 and mounting bracket 1106 between pass through nut-screw connect.The fingertip 1101 respectively with baffle
1103, firm banking 1105, which is formed, is conductively connected, and touch spring 1102, institute are arranged between fingertip 1101 and firm banking 1105
The baffle 1103 and conductive contact 1104 stated, which are formed, to be conductively connected, as a result, the conductive contact 1104 and firm banking 1105
Between also formed be conductively connected.
In order to which the surface of the telescopic disconnecting link 106 of balanced first level, the second horizontal retractable disconnecting link 108, static contact 110 is electric
Field intensity simultaneously optimizes field distribution, can be fixedly connected with the first grading ring at the top of first level opening operation insulator 103
105, it is fixedly connected with third grading ring 112 at the top of the second horizontally openable operation insulator 109, meanwhile, first water
It puts down telescopic disconnecting link 106 or the second horizontal retractable disconnecting link 108 is fixedly connected with the second grading ring 107.Such as Fig. 1-Fig. 4 institute
Showing, the static contact 110, second end daughter board 111 are installed in 109 top of the second horizontally openable operation insulator, in order to
To share the third grading ring 112 at this, to be further reduced power equipment occupied area and cost of investment.
Ice-melt operation is carried out using the present invention, manually mode can be taken out stitches to avoid traditional and carries out ice-melt operation, avoid
The security risk of operating personnel's ice-melt high altitude operation, and the idle time of transmission line of electricity when ice-melt operation is substantially reduced,
Greatly improve ice-melt operating efficiency；Meanwhile the present invention can also be according to DC de-icing device output voltage grade and overvoltage
Level designs the fracture spacing of disconnecting switch, is conducive to the longitudinal occupied space for further reducing ice-melting device entirety, from
And save floor occupying area, engineering construction is good, reduces cost of investment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (9)
1. a kind of horizontal retractable double-fracture ice-melt disconnecting switch, including vertical opening type disconnecting link (113), horizontal retractable disconnecting link
Operating mechanism (101), the telescopic disconnecting link of first level (106), the second horizontal retractable disconnecting link (108) and static contact (110), institute
The telescopic disconnecting link of the first level stated (106), the second horizontal retractable disconnecting link (108) pass through horizontal retractable switch operation mechanism
(101) it drives, the static contact (110) passes through the second horizontally openable operation insulator (109) support, it is characterised in that: institute
Rack gear (119) are set on the telescopic disconnecting link of the first level stated (106), are set on the second horizontal retractable disconnecting link (108)
It sets gear (121), forms engaged transmission, the horizontal retractable disconnecting link behaviour between the gear (121) and rack gear (119)
Make mechanism (101) and drives the second horizontal retractable disconnecting link (108) and static contact (110) separating brake or combined floodgate.
2. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 1, it is characterised in that: first water
It puts down and spring (117) and spring base (118) is set on telescopic disconnecting link (106).
3. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 1, it is characterised in that: first water
It puts down telescopic disconnecting link (106) or the second horizontal retractable disconnecting link (108) is fixedly connected with the second grading ring (107).
4. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 1-3, it is characterised in that: described
Static contact (110) include firm banking (1105) and conductive contact (1104), the conductive contact (1104) and fixed bottom
It is formed and is conductively connected between seat (1105).
5. horizontal retractable double-fracture ice-melt disconnecting switch 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 double-fracture ice-melt disconnecting switch according to claim 5, it is characterised in that: the fingertip
(1101) touch spring (1102) are set between firm banking (1105).
7. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 5, it is characterised in that: the fingertip
(1101) arrival end forms pyramidal structure.
8. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 1-3, it is characterised in that: described
The telescopic disconnecting link of first level (106) connect with first level opening operation insulator (103), the first level is opened
Operation insulator (103) is connect with the first grading ring (105).
9. horizontal retractable double-fracture ice-melt disconnecting switch according to claim 1-3, it is characterised in that: described
The second horizontally openable operation insulator (109) connect with third grading ring (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302703.2A CN109872916A (en) | 2019-04-16 | 2019-04-16 | Horizontal retractable double-fracture ice-melt disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910302703.2A CN109872916A (en) | 2019-04-16 | 2019-04-16 | Horizontal retractable double-fracture ice-melt disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109872916A true CN109872916A (en) | 2019-06-11 |
Family
ID=66922630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910302703.2A Pending CN109872916A (en) | 2019-04-16 | 2019-04-16 | Horizontal retractable double-fracture ice-melt disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109872916A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071601A (en) * | 2020-09-16 | 2020-12-11 | 山东得胜电力股份有限公司 | Disconnecting link type ignition device |
| CN113328405A (en) * | 2021-05-30 | 2021-08-31 | 东北电力大学 | Full-automatic direct current ice-melt short circuit control device of 220kV transmission line wire |
| CN114023591A (en) * | 2021-11-22 | 2022-02-08 | 华能河南中原燃气发电有限公司 | Be applied to deicing protection device of 500kV isolator switch |
-
2019
- 2019-04-16 CN CN201910302703.2A patent/CN109872916A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071601A (en) * | 2020-09-16 | 2020-12-11 | 山东得胜电力股份有限公司 | Disconnecting link type ignition device |
| CN113328405A (en) * | 2021-05-30 | 2021-08-31 | 东北电力大学 | Full-automatic direct current ice-melt short circuit control device of 220kV transmission line wire |
| CN114023591A (en) * | 2021-11-22 | 2022-02-08 | 华能河南中原燃气发电有限公司 | Be applied to deicing protection device of 500kV isolator switch |
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