CN208706512U - The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type - Google Patents
The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type Download PDFInfo
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- CN208706512U CN208706512U CN201821252069.3U CN201821252069U CN208706512U CN 208706512 U CN208706512 U CN 208706512U CN 201821252069 U CN201821252069 U CN 201821252069U CN 208706512 U CN208706512 U CN 208706512U
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- disconnecting link
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- static contact
- high voltage
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Abstract
The utility model relates to a kind of horizontal on the spot earthing switches of extra-high voltage ± 1100kv direct current folding arm concertina type, including static contact part, disconnecting link part and mounting part point, wherein: disconnecting link part is folding-jib structure, and the top of disconnecting link part is provided with moving contact, the moving contact is vertical corresponding with static contact part；Mounting part, which sets up separately, to be set on ground, runner assembly including being connected to disconnecting link member base end, drive disconnecting link the partially unfolded in turn or the control assembly of folding movement with connecting and controlling runner assembly rotation, and it is plumbness that the disconnecting link is the partially unfolded, is folded into the state of droping to the ground with ground level.The utility model disconnecting link part uses vertical-telescopic structure, and the operation of contact tube progress switching on and off is driven using Mechanical Driven；Moving contact and disconnecting link part etc. are using the horizontal type structure fixed on the ground simultaneously, it is horizontally disposed by earthing switch, on the directly sleeping corresponding part loaded on ground in disconnecting link part, ground connection mounting height is greatly reduced, product overall structure stability and Earthing Reliability are enhanced.
Description
Technical field
The utility model relates to high-tension apparatus fields, and it is horizontal to refer in particular to a kind of extra-high voltage ± 1100kv direct current folding arm concertina type
On the spot earthing switch.
Background technique
With the economic sustained and rapid development in China, power consumption keeps rapid growth, in order to meet the following national economy
Development will increase the construction for developing super-pressure and extra-high voltage direct-current transmission.Extra-high voltage direct-current transmission is big, defeated with its transmission line capability
The advantages that electrical distance is remote, overvoltage level is low, line loss is small, economy is strong, has become the important development side of electric system
To,
Voltage class is continuously improved, and the country has had a plurality of ± 800kV extra high voltage direct current transmission line to put into operation at present,
But in order to meet the transmission line construction of ± 1100kV and State Grid Corporation of China's extra-high voltage project construction plan.± 1100kV is special
High voltage direct current earthing switch is a kind of important equipment in extra-high voltage direct-current substation.Therefore, it is necessary to develop a kind of stability it is good,
± 1100kV extra-high voltage direct-current the earthing switch of high reliablity, existing earthing switch voltage class and fracture distance can not expire
Its requirement of foot.
Summary of the invention
The purpose of this utility model is improved and is innovated for disadvantage present in background technique and problem, provides one
Kind structure novel, stable and reliable operation, operating force is small, easy for installation, and the extra-high voltage ± 1100kv direct current folding arm for being easy maintenance is stretched
The horizontal on the spot earthing switch of miniature, the earthing switch technical parameter have reached ± 1100kV voltage class, have super large insulation disconnected
Mouthful.
The technical solution of the utility model is that construct a kind of include static contact part, corresponding static contact part realize close a floodgate or
The disconnecting link part of separating brake, and the earthing switch of the mounting part point for assembling disconnecting link part, in which:
The disconnecting link part is folding-jib structure, and the top of disconnecting link part is provided with moving contact, the moving contact with
Static contact part vertically corresponds to；The mounting part, which sets up separately, to be set on ground, the rotation including being connected to disconnecting link member base end
Component, and connect and control runner assembly and rotate and then drive disconnecting link the partially unfolded or the control assembly of folding movement, and is described
The partially unfolded disconnecting link is plumbness, is folded into the state of droping to the ground with ground level.
The disconnecting link part includes that upper contact tube, lower contact tube and connection are upper and lower conductive in one of the embodiments,
The gear type of pipe folds connector and soft conductive strips.
Further, it includes the gear-box that lower contact tube top is arranged in that the gear type, which folds connector, and setting exists
In gear-box and pitch wheel and rack gear, and the gear shaft being fixed on gear is worn, the gear shaft and upper conduction
The connection of tube bottom end.
Further, drive link and balancing spring are provided in the lower contact tube, the drive link top connects
Connect rack gear, bottom end is connected to runner assembly, the balancing spring is arranged in the gap of drive link and lower contact tube, symmetrically sets
At least two are set, and one end of every balancing spring is fixed on the wall of lower contact tube, the other end is fixed on the wall of drive link
On.
The runner assembly includes the fixing seat for being fixedly installed on ground in one of the embodiments, and by turning
Moving axis is connected to the rotation seat of fixing seat upper end, in which: the top of the rotation seat is fixed with lower contact tube bottom end, rotation seat
Bottom end connect control assembly, the drive link connecting shaft of connection drive link is additionally provided in the fixing seat.
The control assembly includes operating room in one of the embodiments, and attended operation room is simultaneously driven by it level
Flexible levels operation bar connects the transmission case of levels operation bar, connects the transmission crank arm of transmission case, and connect transmission crank arm
Shackle rod, wherein the bottom end of shackle rod connection rotation seat, the operating room driving levels operation bar successively drives biography
Dynamic case, transmission crank arm and shackle rod movement, and then drive rotation seat using rotation axis as center rotary motion.
Preferably, the transmission case includes that the major and minor bevel gear that transmission is intermeshed in cabinet is arranged in, wherein main cone
Gear connects shackle rod by transmission crank arm by levels operation bar attended operation room, secondary bevel gear.
The static contact part includes spherical grading ring in one of the embodiments, is arranged in spherical grading ring
Static contact mounting plate, static contact finger, fastening spring, locating part and guide housing, wherein the guide housing and static contact mounting plate connect
It connects, the static contact finger setting is provided with the groove of installation fastening spring, the limit on the outside of guide housing inner top, the static contact finger
The lower section of static contact finger is arranged in for static contact finger to be limited in guide housing in position part.
Preferably, the guide housing is up-small and down-big horn-like, the static contact finger, fastening spring and locating part installation
In in the small end of guide housing top, guide housing big end corresponds to moving contact.
It is provided in one of the embodiments, with the corresponding horizontal position of the mounting part point and places folding arm disconnecting link
Partial buffer portion, the buffer portion include the cushion underframe for being fixed on ground, are correspondingly arranged at the slow of cushion underframe two sides
Uniform ring is rushed, and the buffing pad on cushion underframe between two buffering uniform rings is set.
The runner assembly two sides are fixed with stationary uniformity ring in one of the embodiments,.
The advantages of the utility model and the utility model has the advantages that
The utility model disconnecting link part uses vertical-telescopic structure, drives contact tube to carry out point, close using Mechanical Driven
The operation of lock；Moving contact and disconnecting link part etc. pass through the horizontal cloth of earthing switch using the horizontal type structure fixed on the ground simultaneously
It sets, on the directly sleeping corresponding part loaded on ground in disconnecting link part, greatly reduces ground connection mounting height, enhance product entirety
Structural stability and Earthing Reliability.The utility model earthing switch blade has super large insulation fracture, and earthing switch is minimum empty over the ground
Gas insulation distance >=12500mm is able to satisfy ± 1100kV voltage class insulation parameter.
Detailed description of the invention
Fig. 1 is the utility model "on" position structural schematic diagram.
Fig. 2 is the utility model gate-dividing state structural schematic diagram.
Fig. 3 is Fig. 2 overlooking structure diagram.
Fig. 4 is the utility model static contact partial structure diagram.
Fig. 5 is that the utility model disconnecting link part and mounting part divide primary structure schematic diagram.
Fig. 6 is the utility model separating brake and displacement status diagram of closing a floodgate.
Figure number explanation:
1, static contact part, 2, disconnecting link part, 3, runner assembly, 4, control assembly, 5, buffer portion, 6, operating room, 7,
Chassis is installed, 8, static contact mounting plate, 9, static contact finger, 10, fastening spring, 11, locating part, 12, guide housing, 13, spherical press
Ring, 14, moving contact, 15, upper contact tube, 16, gear-box, 17, soft conductive strips, 18, rack gear, 19, gear shaft, 20, gear, 21,
Lower contact tube, 22, drive link, 23, balancing spring, 24, rotation seat, 25, rotation axis, 26, shackle rod, 27, transmission case,
28, transmission crank arm, 29, levels operation bar, 30, stationary uniformity ring, 31, fixing seat, 32, drive link connecting shaft, 33, buffering bottom
Frame, 34, buffering uniform ring, 35, buffing pad.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that when element be considered as " setting " or " connection " on the other element, it can be directly
Setting connects on the other element or may be simultaneously present centering elements.
Unless otherwise defined, the technical field of all technical and scientific term and the utility model used herein
The normally understood meaning of technical staff it is identical.Term used in the description is intended merely to describe specifically to implement purpose,
It is not intended to limit the utility model.
As shown in Figures 1 to 3, this earthing switch includes static contact part 1, and combined floodgate or separating brake are realized in corresponding static contact part 1
Disconnecting link part 2, be correspondingly arranged for assembling the mounting part point of disconnecting link part 2, and with mounting part point horizontal position
For placing the buffer portion 5 of folding arm disconnecting link part 2.Wherein mounting part, which sets up separately, sets on ground, including is connected to disconnecting link portion
Divide the runner assembly 3 of 2 bottom ends, and connects and control runner assembly 3 and rotate and then drive the expansion of disconnecting link part 2 or folding movement
Control assembly 4.As shown in fig. 6, disconnecting link part 2 expands into plumbness, it is folded into the state of droping to the ground with ground level.
Specifically, static contact part 1 is fixed on the female lower section of support tube, including spherical grading ring 13 as shown in Fig. 1,4, if
Set static contact mounting plate 8, static contact finger 9, fastening spring 10, locating part 11 and guide housing 12 in spherical grading ring 13.Wherein
Guide housing 12 is connect with static contact mounting plate 8.Static contact finger 9 is arranged in 12 inner top of guide housing.The outside of static contact finger 9 is provided with installation
The groove of fastening spring 10.The lower section of static contact finger 9 is arranged in for static contact finger 9 to be limited in guide housing 12 in locating part 11.It is quiet
Contact chief component is placed in spherical uniform ring, can form good shielding harness, can be effectively improved the electricity of product
Field distribution improves the insulation performance of product.
More specifically, as shown in figure 4, guide housing 12 is up-small and down-big horn-like.The static contact finger 9, fastening spring 10
It is installed in 12 top small end of guide housing with locating part 11.12 big end of guide housing corresponds to moving contact 14, sees Fig. 1.By horn-like
The setting of guide housing can improve certain guide function for the connection of moving contact and static contact, static contact can be made one
Determine to swing in angular range, moving contact uses tunable configuration, can permit static contact a certain range inner height error, has good
Guide function and installation site flexibility, can effectively guarantee the operational stability and reliability of earthing switch.
Specifically, as shown in Figure 1, disconnecting link part 2 is folding-jib structure.Moving contact 14 is arranged in the top of disconnecting link part 2, moves
Contact 14 is vertical corresponding with static contact part 1.
More specifically, as shown in figure 5, disconnecting link part 2 includes that upper contact tube 15, lower contact tube 21 and connection are upper and lower conductive
The gear type of pipe folds connector and the soft conductive strips 17 for being used to form electric pathway.Wherein:
Gear type fold connector include the gear-box 16 that lower 21 top of contact tube is set, be arranged in gear-box 16 and
Pitch wheel 20 and rack gear 18, and wear the gear shaft 19 being fixed on gear 20.The gear shaft 19 and upper conduction
The connection of 15 bottom end of pipe.
Drive link 22 and balancing spring 23 are provided in lower contact tube 21.22 top of drive link connects rack gear
18, bottom end is connected to the drive link connecting shaft 32 of runner assembly 3.The setting of balancing spring 23 is led under in drive link 22
In the gap of fulgurite 21, be symmetrical arranged two groups 4, and one end of every balancing spring 23 be fixed on the wall of lower contact tube 21,
The other end is fixed on the wall of drive link 22.
Drive link band carry-over bar in above-mentioned lower contact tube is mobile just to push gear rotation, thus make to connect with gear
Upper contact tube folds (separating brake, combined floodgate) movement relative to lower contact tube.Balancing spring is by scheduled requirement energy storage, to greatest extent
Ground balances the dead-load moment of disconnecting link part, and the structure operation torque is small, ensure that grounding switch is run reliably and with long-term.
Specifically, as shown in figure 5, runner assembly 3 includes being fixedly installed on the fixing seat 31 on ground, and pass through rotation axis 25
It is connected to the rotation seat 24 of 31 upper end of fixing seat.The two sides of fixing seat 31 and rotation seat 24 are fixed with stationary uniformity ring 30.Wherein:
The top of rotation seat 24 is fixed with lower 21 bottom end of contact tube.The shackle rod 26 of the bottom end connection control assembly 4 of rotation seat 24.
The drive link connecting shaft 32 of connection drive link 22 is additionally provided in the fixing seat 31.
Specifically, control assembly 4 includes operating room 6, and attended operation room 6 is simultaneously driven by it horizontal extension as shown in Fig. 2,5
Levels operation bar 29, connect levels operation bar 29 transmission case 27, connect transmission case 27 transmission crank arm 28, and connection transmission
The shackle rod 26 of connecting lever 28, wherein operating room 6 is fixed on ground by installing chassis 7.Operating room 6 is using in the prior art
The structure of threephase motor acceleration and deceleration machine driving is best.Transmission case 27 include be arranged in be intermeshed in cabinet transmission master,
Secondary bevel gear, master bevel gear are passed by 29 attended operation room 6 of levels operation bar, secondary bevel gear by the connection of transmission crank arm 28
Dynamic pull rod 26.The bottom end of the connection rotation seat 24 of shackle rod 26.When work, operating room 6 drives levels operation bar 29 successively to drive
Master bevel gear, secondary bevel gear, transmission crank arm 28 and shackle rod 26 move, and then drive rotation seat 24 centered on rotation axis 25
Rotary motion.
Specifically, as shown in Figure 1, cushion underframe 33 of the buffer portion 5 including being fixed on ground, is correspondingly arranged at buffering bottom
The buffering uniform ring 34 of 33 two sides of frame, and the buffing pad 35 on cushion underframe 33 between two buffering uniform rings 34 is set.Buffering
When part is ended for disconnecting link part separating brake, the inertia generated when disconnecting link separating brake is grounded is offset.
This earthing switch, blade portion use vertical-telescopic structure, are drawn using base drive case, transmission crank arm, transmission
Bar drives rotation seat and upper and lower contact tube to carry out the operation of switching on and off.Lower contact tube is flexible to tooth by internal drive link
Rack and pinion in roller box is driven, and contact tube carries out folding arm movement in drive.4 equilibrium bombs are equipped with inside lower contact tube
Spring, balancing spring compresses when separating brake, balances the dead-load moment of disconnecting link part to the maximum extent；Balancing spring extends when combined floodgate, side
It helps disconnecting link to close a floodgate, must can reduce switching on and off operating force to greatest extent.The structure novel, it is ingenious in design, operate small, maintenance letter
It is single.And utilize balancing spring, buffer portion, can be effectively improved product switching on and off operating force, and open position by
Power situation improves stability, the reliability of product.
This DC grounding switch is mounted on ± 1100kV converter station DC fields polar curve side and DC filter high-pressure side, or peace
Below high-end valve hall polar curve, the electrical equipments such as high voltage bus, converter valve, smoothing reactor for being overhauled are abutted against
Ground provides a satisfactory, safe operating condition to by repair apparatus and service personnel.
This product switch, which has successfully passed western Supreme Court's type and has a try, to be tested, including dynamic, stability test, flash test.
Embodiment described in the utility model is only the description carried out to preferred embodiments of the present invention, not
The utility model conception and scope is defined, under the premise of not departing from the design concept of the utility model, work in this field
The all variations and modifications that journey technical staff makes the technical solution of the utility model should all fall into the protection of the utility model
Range, technical content requested for protection of the utility model are all described in the claims.
Claims (9)
1. a kind of horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type, including static contact part (1), corresponding
The disconnecting link part (2) of combined floodgate or separating brake is realized in static contact part (1), and the mounting part for assembling disconnecting link part (2) point,
It is characterized by:
The disconnecting link part (2) is folding-jib structure, and the top of disconnecting link part (2) is provided with moving contact (14), described dynamic
Contact (14) and static contact part (1) are vertical corresponding；
The mounting part, which sets up separately, to be set on ground, the runner assembly (3) including being connected to disconnecting link part (2) bottom end, and even
The control assembly (4) that runner assembly (3) rotate and then drive disconnecting link part (2) expansion or folding movement is connect and controls, and described
Disconnecting link part (2) expands into plumbness, is folded into the state of droping to the ground with ground level.
2. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 1, feature
It is that the disconnecting link part (2) includes the gear type folding of upper contact tube (15), lower contact tube (21) and the upper and lower contact tube of connection
Folded connector and soft conductive strips (17), in which:
It includes gear-box (16) of the setting on lower contact tube (21) top that the gear type, which folds connector, is arranged in gear-box
(16) interior and pitch wheel (20) and rack gear (18), and the gear shaft (19) being fixed on gear (20) is worn, it is described
Gear shaft (19) is connect with upper contact tube (15) bottom end；
Drive link (22) and balancing spring (23), drive link (22) top are provided in the lower contact tube (21)
Connection rack gear (18), bottom end are connected to runner assembly (3), and the balancing spring (23) is arranged in drive link (22) and lower conduction
In the gap for managing (21), at least two are symmetrical arranged, and one end of every balancing spring (23) is fixed on lower contact tube (21)
On wall, the other end is fixed on the wall of drive link (22).
3. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 2, feature
It is that the runner assembly (3) includes the fixing seat (31) for being fixedly installed on ground, and is connected to admittedly by rotation axis (25)
The rotation seat (24) of reservation (31) upper end, in which: the top of the rotation seat (24) is fixed with lower contact tube (21) bottom end, is turned
The bottom end of dynamic seat (24) connects control assembly (4), and the biography of connection drive link (22) is additionally provided in the fixing seat (31)
Dynamic joining beam connecting shaft (32).
4. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 3, feature
It is that the control assembly (4) includes operating room (6), attended operation room (6) and the levels operation for being driven by it horizontal extension
Bar (29) connects the transmission case (27) of levels operation bar (29), connects the transmission crank arm (28) of transmission case (27), and connection transmission
The shackle rod (26) of connecting lever (28), wherein the bottom end of the shackle rod (26) connection rotation seat (24), the operating room (6)
It drives levels operation bar (29) successively to drive transmission case (27), transmission crank arm (28) and shackle rod (26) movement, and then drives
Rotation seat (24) is with rotation axis (25) for center rotary motion.
5. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 4, feature
It is that the transmission case (27) includes that the major and minor bevel gear that transmission is intermeshed in cabinet is arranged in, wherein master bevel gear is logical
Levels operation bar (29) attended operation room (6) is crossed, secondary bevel gear passes through transmission crank arm (28) connection shackle rod (26).
6. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 1, feature
It is the static contact installation that the static contact part (1) includes spherical grading ring (13), is arranged in spherical grading ring (13)
Plate (8), static contact finger (9), fastening spring (10), locating part (11) and guide housing (12), wherein the guide housing (12) and stationary contact
Head mounting plate (8) connects, and static contact finger (9) setting is provided with peace on the outside of guide housing (12) inner top, the static contact finger (9)
The groove of fastening spring (10) is filled, locating part (11) setting is used to for static contact finger (9) being limited in the lower section of static contact finger (9)
In guide housing (12).
7. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 6, feature
It is that the guide housing (12) is up-small and down-big horn-like, the static contact finger (9), fastening spring (10) and locating part (11)
It is installed in the small end of guide housing (12) top, guide housing (12) big end corresponds to moving contact (14).
8. according to claim 1 to the horizontal on the spot earthing switch of any extra-high voltage ± 1100kv direct current folding arm concertina type described in 7,
It is characterized in that being provided with the buffer portion for placing folding arm disconnecting link part (2) with the corresponding horizontal position of the mounting part point
(5), which includes the cushion underframe (33) for being fixed on ground, is correspondingly arranged at the slow of cushion underframe (33) two sides
It rushes uniform ring (34), and the buffing pad (35) being arranged on cushion underframe (33) between two bufferings uniform ring (34).
9. the horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type according to claim 1 or 3, special
Sign is that the runner assembly two sides are fixed with stationary uniformity ring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252069.3U CN208706512U (en) | 2018-08-06 | 2018-08-06 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821252069.3U CN208706512U (en) | 2018-08-06 | 2018-08-06 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type |
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| Publication Number | Publication Date |
|---|---|
| CN208706512U true CN208706512U (en) | 2019-04-05 |
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ID=65941599
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821252069.3U Active CN208706512U (en) | 2018-08-06 | 2018-08-06 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina type |
Country Status (1)
| Country | Link |
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| CN (1) | CN208706512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina types |
-
2018
- 2018-08-06 CN CN201821252069.3U patent/CN208706512U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711529A (en) * | 2018-08-06 | 2018-10-26 | 湖南长高高压开关有限公司 | The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina types |
| CN108711529B (en) * | 2018-08-06 | 2024-04-05 | 湖南长高高压开关有限公司 | Extra-high voltage + -1100 kv direct current folding arm telescopic horizontal type ground grounding switch |
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