CN110444436A - A kind of earthing switch - Google Patents
A kind of earthing switch Download PDFInfo
- Publication number
- CN110444436A CN110444436A CN201910783985.2A CN201910783985A CN110444436A CN 110444436 A CN110444436 A CN 110444436A CN 201910783985 A CN201910783985 A CN 201910783985A CN 110444436 A CN110444436 A CN 110444436A
- Authority
- CN
- China
- Prior art keywords
- contact
- spring
- shaft
- earthing switch
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Abstract
A kind of earthing switch includes: contact assembly, cubic shaft, installation fixation kit and driving assembly, and the contact assembly controls combined floodgate or the ground connection of earthing switch, contact assembly is connected in the four directions shaft for being connected with the moving contact of earthing switch；The four directions shaft is for controlling contact assembly rotation；The installation fixation kit is divided into two parts, the fixed driving assembly of a portion for fixing driving assembly and cubic shaft, installation fixation kit, and another part is socketed with rotary cubic shaft；The driving component is for driving cubic shaft to rotate, and driving assembly provides the power of rotation by the driving method of connecting rod for cubic shaft, and driving assembly is fixed on installation fixation kit, and driving assembly is socketed with rotary cubic shaft.Earthing switch of the present invention will not be driven the limitation of component in use, have the advantages that bite will not be generated.
Description
Technical field
The present invention relates to high-voltage switch gear fields, in particular to being used for a kind of earthing switch of distribution switchgear.
Background technique
High_voltage isolation/earthing switch is common electrical component in high pressure electrical power trans mission/distribution system.High voltage isolator is mainly used
Reliably pass through electric current in the circuit for disconnecting zero load electric current in separating brake, and when closing a floodgate.High voltage ground switch be then used for by
Circuit ground connection, to ensure safety when overhauling.The switch is rotated by the driving to operation axis, and disconnecting switch may be implemented
The combined floodgate to close a floodgate with earthing switch.
Existing earthing switch has that the not in place or separating brake of combined floodgate is not in place；And the speed closed and generation
Torque is limited by operating mechanism；Earthing switch is easily affected by the surrounding environment and leads to the problem of bite, influences earthing switch
It uses.
Summary of the invention
Not in place in order to solve the not in place or separating brake of earthing switch combined floodgate, the torque of the speed and generation that close is driven motivation
The limitation of structure, is easily affected by the surrounding environment and leads to the problem of bite, and the object of the present invention is to provide a kind of earthing switches, utilizes
Spring crosses the principle at dead point, ensure that the earthing switch switch closing and switch opening all in place；The driving mechanism of rapid closing, movement with
The rotation of shaft is unrelated, and the torque for switching the speed and generation that close is not limited by operating mechanism；Insulating part and metalwork are matched
It closes, avoids the generation of bite phenomenon, make earthing switch flexible rotating, and free from the influence of the external environment.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of earthing switch include: including contact assembly, cubic shaft, installation fixation kit and driving assembly,
The contact assembly is used to be connected with the moving contact of earthing switch, controls combined floodgate or the ground connection of earthing switch, described
Contact assembly is connected in the cubic shaft；
The four directions shaft rotation drives the contact assembly rotation；
The installation fixation kit is divided into two for fixing driving assembly and cubic shaft, the installation fixation kit
Point, the fixed driving assembly of a portion, another part is socketed with rotary cubic shaft；
For the driving component for driving cubic shaft to rotate, the driving component drives institute by the driving method of connecting rod
Cubic shaft rotation is stated, the driving component is fixed on installation fixation kit, and driving assembly is socketed with rotary four directions
Shaft.
Wherein, the driving component include: sliding block pin, sliding chunking, perpendicular push rod, spring-hanging board, hang spring, crank connecting link,
Connecting lever and pivoted arm, one end of the connecting lever are socketed in cubic shaft one end, and the connecting lever other end is connected with crank connecting link, the sliding
Chunking is connected by sliding block pin with one end of perpendicular push rod, and the other end of perpendicular push rod is connected with crank connecting link, and connecting place setting exists
On spring-hanging board, the spring-hanging board, which is equipped with, hangs spring, hangs one end connection installation fixation kit of spring, the driving component is by hanging spring
Cubic shaft is limited, described pivoted arm one end is fixed on installation fixation kit, and the other end is connected with sliding chunking.
Wherein, the contact assembly includes: contact and contact folder, and one end of the contact is fixedly connected on the four directions and turns
On axis, the other end of the contact is fixedly connected with the contact folder.
Wherein, the installation fixation kit includes: frame plate, installation mounting and pedestal, and the four directions both ends of the shaft passes through Huang
Copper sheathing is separately fixed on frame plate and pedestal, and the pedestal is fixed on installation mounting, and the installation mounting and frame plate are fixed on
In the switch-box body for installing earthing switch.
Wherein, the pedestal is equipped with through-hole I, spring-hanging column I, through-hole II and shaft, and the through-hole I is connected by brass bushing
Cubic shaft, the extension spring are socketed on spring-hanging column I, and the pedestal is fixed on installation mounting by through-hole II, the driving
Spring-hanging board on component is fixed in shaft, and spring-hanging board is rotated by shaft around pedestal.
Wherein, the mounting base is provided with the mounting hole for fixing pivoted arm and makes the elongated slot for sliding chunking sliding.
Wherein, the spring-hanging board is equipped with through-hole III, limited post, spring-hanging column II and through-hole IV, and III set of the through-hole switches through
One end of spring is hung in axis, the connection of spring-hanging column II, and the through-hole IV is for fixed perpendicular push rod and crank connecting link, the pedestal, institute
It states retention bead to limit limited post, and then limits spring-hanging board rotation.
Wherein, there are three the contact settings, three-phase is corresponded respectively to, each contact is provided with bending structure, so that two
The distance between two adjacent fixing ends of contact are less than the distance between contact folder adjacent two-by-two, and contact adjacent two-by-two
The distance between folder is equal.
Wherein, the contact folder includes: contact folder I, vertical pin, split pin, ships and resell on another market, spring and contact folder II, described
Contact folder I and contact press from both sides II one end by fixation of shipping and reselling on another market, and can open and close around shipping and reselling on another market between the contact folder I and contact folder II, described
Spring is arranged on the vertical pin between contact folder I and contact folder II, and the vertical pin both ends are limited by split pin.
Wherein, one end far from contact folder on contact, which is fixed with, is flexible coupling, described to be flexible coupling for connecting high-tension circuit.
Above-mentioned technical proposal of the invention has following beneficial technical effect:
1, the principle that spring crosses dead point is utilized in earthing switch, ensure that earthing switch switch closing and switch opening all in place；
2, the material of the cubic shaft of earthing switch is insulating materials, when connecting three-phase contact, effectively prevent phase fault
The generation of failure, it is safer；
3, the structure of contact terminal of the optimization design of earthing switch ensure that earthing switch in closing position or earthing position Shi Douyou
Certain contact pressure, performance are relatively reliable；
4, the use being flexible coupling ensure that, when shaft goes to combined floodgate or earthing position, grounding contact and PT leading-out terminal remain to
It is reliably connected；
5, earthing switch moves under the driving of hyperbolic handle structure, flexibility and reliability.
6, earthing switch has a rapid switching-on mechanism, act it is unrelated with the rotation of shaft, switch the speed that closes with
The torque of generation is not limited by operating mechanism.
7, earthing switch is cooperated using insulating part and metalwork, is avoided the generation of bite phenomenon, is kept earthing switch flexible
Rotation, and it is free from the influence of the external environment.
Detailed description of the invention
Fig. 1 is a kind of overall structure figure of earthing switch；
Fig. 2 is a kind of 45 degree of the right side angle three-dimensional structure diagram of earthing switch；
Fig. 3 is a kind of 45 degree of the left side angle three-dimensional structure diagram of earthing switch；
Fig. 4 is the main view of Fig. 1；
Fig. 5 is the contact assembly schematic diagram of Fig. 1；
Fig. 6 is that the pedestal of Fig. 1 rotates clockwise the schematic diagram of 180 degree；
Fig. 7 is the schematic diagram of the spring-hanging board of Fig. 1 being rotated by 90 ° counterclockwise；
Fig. 8 is the installation mounting schematic diagram of Fig. 1；
Fig. 9 is a kind of 135 degree of the left side angle three-dimensional structure diagram of earthing switch；
Appended drawing reference:
1: cubic shaft；2: sliding block pin；3: sliding chunking；4: perpendicular push rod；5: spring-hanging board；6: hanging spring；7: crank connecting link；
8: connecting lever；9: pivoted arm；10: contact assembly；11: frame plate；12: installation mounting；13: pedestal；14: installation fixation kit；15: driving
Component；101: contact；102: being flexible coupling；103: contact folder I；104: vertical pin；105: split pin；106: shipping and reselling on another market；107: bullet
Spring, 108: contact folder II；121: mounting hole；122: elongated slot；131: through-hole I；132: spring-hanging column I；133: through-hole II；134: turning
Axis；135: retention bead；501: through-hole III；502: limited post；503: spring-hanging column II；504: through-hole IV；1011: the first contacts；
1012: the second contacts；1013: third contact.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
In the description of this patent, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end ", " top ", " middle part ", " lower part " is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1 identical component into Fig. 9 is all made of identical appended drawing reference and indicates, for not being related to improvement of the present invention
Existing component, will simply introduce or not introduce, and introduce the building block made improvements compared with the existing technology.
Please refer to Fig. 1-4, a kind of structural schematic diagram of earthing switch includes: that contact assembly 10, driving assembly 15, four directions turn
Axis 1, installation fixation kit 14, the contact assembly are fixed in cubic shaft 1, and cubic 1 both ends of shaft are fixed on installation and fix
On component 14, the driving component 15 includes: sliding block pin 2, sliding chunking 3, perpendicular push rod 4, spring-hanging board 5, hangs spring 6, crank company
Bar 7, connecting lever 8 and pivoted arm 9, the connecting lever 8 are socketed in cubic 1 one end of shaft, and 8 other end of connecting lever is connected with crank connecting link 7, described
Sliding chunking 3 is connected by sliding block pin 2 with one end of perpendicular push rod 4, and the other end of perpendicular push rod 4 is connected with crank connecting link 7, is connected
Place is arranged on spring-hanging board 5, and the spring-hanging board 5, which is equipped with, hangs spring 6, one end connection installation fixation kit 14 of extension spring 6, and described turn
9 one end of arm is fixed on installation fixation kit 14, and the other end is connected with sliding chunking 3.
It such as Fig. 3, hangs spring 6 and does not hang on spring-hanging board 5, erect push rod and crank connecting link is not connected, do not show and be flexible coupling and vertically
Pin, it is shown that sliding chunking 5 position when earthing switch closes a floodgate and is grounded two kinds.
Referring to Fig. 5, contact assembly 10 includes: contact 101 and contact folder, one end of the contact 101 is fixedly connected on
In the four directions shaft 1, the other end of the contact 101 is fixedly connected with the contact folder.
Contact folder includes: contact folder I 103, vertical pin 104, split pin 105, ship and resell on another market 106, spring 107 and contact folder II
108, the contact folder I 103 and contact press from both sides II 108 one end and pass through 106 fixed, the contact folder I 103 and contact folders of shipping and reselling on another market
Vertical pin between contact folder I 103 and contact folder II 108 can be set between II 108 around 106 foldings of shipping and reselling on another market, the spring 107
On nail 104, vertical 104 both ends of pin are limited by split pin 105.
One end far from contact folder on contact 101, which is fixed with, to be flexible coupling, described to be flexible coupling for connecting high-tension circuit.
Installation fixation kit 14 includes: frame plate 11, installation mounting 12 and pedestal 13, and four directions 1 both ends of shaft pass through Huang
Copper sheathing (being not marked in figure) is separately fixed on frame plate 11 and pedestal 13, and the pedestal 13 is fixed on installation mounting 12, described
Installation mounting 12 and frame plate 11 are fixed in the switch-box body of installation earthing switch.
Referring to Fig. 6, pedestal 13 is equipped with through-hole I 131, spring-hanging column I 132, through-hole II 133 and shaft 134, the through-hole
I 131 connect cubic shaft 1 by brass bushing, and the extension spring 6 is socketed on spring-hanging column I 132, and the pedestal 13 passes through upper and lower two
A through-hole II 133 be fixed on installation mounting 12 on, the spring-hanging board 5 is fixed in shaft 134, spring-hanging board 5 by shaft 134 around
Pedestal 13 rotates, and the hole of the through-hole I 131 is used to fix 2 cubic 1 contact of shaft folders II 108, the peace installed with one heart using axis hole
Dress.
Fig. 8 and Fig. 9 are please referred to, installation mounting 12 is equipped with mounting hole 121 and elongated slot 122 for fixing pivoted arm 9, described
Elongated slot 122 is equipped with the sliding chunking 3 slided along elongated slot 122.
Indicate pivoted arm for clarity and slide the relationship of chunking, show in Fig. 8 sliding chunking 5 close a floodgate in earthing switch and
Position in the case of two kinds of ground connection.
Referring to Fig. 7, spring-hanging board 5 is equipped with through-hole III 501, limited post 502, spring-hanging column II 503 and through-hole IV 504, institute
It states through-hole III 501 and is socketed shaft 134, the extension spring 6 is socketed on spring-hanging column II 503, and the through-hole IV 504 is pushed away for fixed erect
Bar 4 and crank connecting link 7, the pedestal 13 limit spring-hanging board 5 by limited post 502.
Pedestal 13 is equipped with a semicircle retention bead 135, and the retention bead 135 limits limited post 502,
And then it limits spring-hanging board 5 and rotates.
Contact 101 uses the special electric contact structure for guaranteeing that three-phase ground conductor electrical gap and creepage distance require and sets
Meter, the contact 101 include: the first contact 1011, the second contact 1012 and third contact 1013, first contact 1011,
Second contact 1012 and third contact 1013 bend angled, bending, the second contact in the middle part of first contact 1011
The bending of 1012 bottoms, the bending of 1013 top of third contact, the first contact 1011 and the second contact 1012, second after the bending
Distance from top between contact 1012 and third contact 1013 is identical.
Cubic shaft 1, which is adopted, to be made from an insulative material, common work of the contact 101 in perpendicular 7 structure of push rod 4 and crank connecting link
It is rotated under around cubic shaft 1, is in earthing switch and closes a floodgate or be grounded two states.
Working method includes: two kinds of combined floodgate and ground connection.
Working method ground connection:
Mounting hole 121 of the pivoted arm 9 on installation mounting 12 rotates clockwise, and pivoted arm 9 drives sliding chunking 3 along mounting base
122 slide downward of elongated slot on frame 12；Sliding chunking 3 drives perpendicular push rod 4 to move up and down, and the perpendicular push rod 4 pulls spring-hanging board 5 inverse
Hour hands rotation, spring-hanging board 5 drive crank connecting link 7 that connecting lever 8 is pulled to rotate counterclockwise, and connecting lever 8 is with moving contact 101 and contact assembly 10
Rotation reaches ground connection position.Retention bead 135 limits the limited post 502 on spring-hanging board 5, and limitation spring-hanging board 5 continues to rotate, and fills
It fitting over the extension spring 6 on spring-hanging column II 503 and spring-hanging column I 132 and crosses dead point, dead point i.e. extension spring 6 is unable to drive spring-hanging board and continues to rotate,
Contact 101 is maintained at ground connection position.
Working method is closed a floodgate:
With working method ground connection on the contrary, mounting hole 121 of the pivoted arm 9 on installation mounting 12 rotates counterclockwise, 9 band of pivoted arm
Elongated slot 122 upward sliding of the dynamic sliding chunking 3 on installation mounting 12；It slides chunking 3 and pushes spring-hanging board 5 suitable by perpendicular push rod 4
Hour hands rotation, spring-hanging board 5 pull connecting lever 8 to rotate clockwise by crank connecting link 7, and connecting lever 8 is with moving contact 101 and contact assembly 10
Rotation reaches closing position.The extension spring 6 being assemblied on spring-hanging column II 503 and spring-hanging column I 132 crosses dead point, is maintained at contact 101
Closing position.
Using 101 structure of the special electric contact design for guaranteeing that three-phase ground conductor electrical gap and creepage distance require, protect
Having demonstrate,proved earthing switch has certain contact pressure at closing position or earthing position, and performance is relatively reliable.
102 use of being flexible coupling ensure that when cubic shaft 1 goes to combined floodgate or earthing position, grounding contact 101 and PT
Leading-out terminal remains to be reliably connected.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of earthing switch, which is characterized in that including contact assembly (10), cubic shaft (1), installation fixation kit (14) and
Driving assembly (15),
The contact assembly (10) is used to be connected with the moving contact of earthing switch, controls combined floodgate or the ground connection of earthing switch, described
Contact assembly (10) is connected in the cubic shaft；
The four directions shaft (1), which rotates, drives the contact assembly rotation；
The installation fixation kit (14) is for fixing driving assembly (15) and cubic shaft (1), the installation fixation kit
(14) it is divided into two parts, a portion is fixed driving assembly (15), and another part is socketed with rotary cubic shaft
(1)；
For the driving component (15) for driving cubic shaft (1) to rotate, the driving component (15) passes through the driving side of connecting rod
The formula driving cubic shaft (1) rotates, the driving component (15) is fixed in installation fixation kit (14), driving assembly
(15) it is socketed with rotary cubic shaft (1).
2. a kind of earthing switch according to claim 1, which is characterized in that the driving component (15) includes: slider pin
It follows closely (2), sliding chunking (3), perpendicular push rod (4), spring-hanging board (5), hang spring (6), crank connecting link (7), connecting lever (8) and pivoted arm (9), institute
The one end for stating connecting lever (8) is socketed in cubic shaft (1) one end, and connecting lever (8) other end is connected with crank connecting link (7), the sliding
Chunking (3) is connected by sliding block pin (2) with one end of perpendicular push rod (4), and the other end and crank connecting link (7) phase of push rod (4) are erected
Even, connecting place is arranged on spring-hanging board (5), and the spring-hanging board (5), which is equipped with, hangs spring (6), and one end connection installation for hanging spring (6) is solid
Determine component (14), the driving component (15) limits cubic shaft (1) by hanging spring (6), and described pivoted arm (9) one end is fixed on
It installs on fixation kit (14), the other end is connected with sliding chunking (3).
3. a kind of earthing switch according to claim 1, which is characterized in that the contact assembly (10) includes: contact
(101) it is fixedly connected on the cubic shaft (1) with contact folder, one end of the contact (101), the contact (101)
The other end is fixedly connected with the contact folder.
4. a kind of earthing switch according to claim 2, which is characterized in that the installation fixation kit (14) includes: frame
Plate (11), installation mounting (12) and pedestal (13), four directions shaft (1) both ends are separately fixed at frame plate (11) by brass bushing
On pedestal (13), the pedestal (13) is fixed in installation mounting (12), and the installation mounting (12) and frame plate (11) are fixed
In the switch-box body of installation earthing switch.
5. a kind of earthing switch according to claim 4, which is characterized in that the pedestal (13) is equipped with through-hole I
(131), spring-hanging column I (132), through-hole II (133) and shaft (134), the through-hole I (131) are turned by brass bushing connection four directions
Axis (1), the extension spring (6) are socketed on spring-hanging column I (132), and the pedestal (13) is fixed on mounting base by through-hole II (133)
On frame (12), the spring-hanging board (5) in the driving component (15) is fixed on shaft (134), and spring-hanging board (5) passes through shaft
(134) it is rotated around pedestal (13).
6. a kind of earthing switch according to claim 4, which is characterized in that the installation mounting (12) is equipped with for fixing
The mounting hole (122) of pivoted arm (9) and the elongated slot for making sliding chunking (3) sliding.
7. a kind of earthing switch according to claim 4, which is characterized in that the spring-hanging board (5) is equipped with through-hole III
(501), limited post (502), spring-hanging column II (503) and through-hole IV (504), the through-hole III (501) are socketed shaft (134), institute
One end that spring (6) are hung in spring-hanging column II (503) connection is stated, the through-hole IV (504) is for fixed perpendicular push rod (4) and crank connecting link
(7), the pedestal (13), the retention bead (135) limit limited post (502), and then limit spring-hanging board (5) and turn
It is dynamic.
8. a kind of earthing switch according to claim 3, which is characterized in that there are three contact (101) settings, respectively
Corresponding to three-phase, each contact (101) is provided with bending structure, so that the distance between adjacent fixing end of contact is small two-by-two
In the distance between contact folder adjacent two-by-two, and the distance between contact folder adjacent two-by-two is equal.
9. a kind of earthing switch according to claim 3, which is characterized in that contact folder include: contact press from both sides I (103),
Vertical pin (104) split pin (105), is shipped and resell on another market (106), II (108) of spring (107) and contact folder, and the contact presss from both sides I (103)
Pressing from both sides II (108) one end with contact, (106) are fixed, and the contact presss from both sides between II (108) of I (103) and contact folder can be around by shipping and reselling on another market
It ships and resell on another market (106) folding, the spring (107) setting presss from both sides the vertical pin between II (108) of I (103) and contact folder in contact
(104) on, vertical pin (104) both ends are limited by split pin (105).
10. a kind of earthing switch according to claim 3, which is characterized in that far from contact folder on the contact (101)
One end, which is fixed with, to be flexible coupling, described to be flexible coupling for connecting high-tension circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783985.2A CN110444436B (en) | 2019-08-23 | 2019-08-23 | Grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783985.2A CN110444436B (en) | 2019-08-23 | 2019-08-23 | Grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110444436A true CN110444436A (en) | 2019-11-12 |
| CN110444436B CN110444436B (en) | 2020-05-26 |
Family
ID=68437461
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783985.2A Active CN110444436B (en) | 2019-08-23 | 2019-08-23 | Grounding switch |
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| CN202816716U (en) * | 2012-07-24 | 2013-03-20 | 上海天灵开关厂有限公司 | An auxiliary grounding switch device for a fuse tube of a combined electric appliance cabinet |
| US20140076702A1 (en) * | 2012-09-20 | 2014-03-20 | Kabushiki Kaisha Yaskawa Denki | Switch |
| CN103928251A (en) * | 2014-05-07 | 2014-07-16 | 万控集团有限公司 | Interlocking device of ground connection operating switch |
| CN204088116U (en) * | 2014-07-29 | 2015-01-07 | 福建森达电气股份有限公司 | Bent-arm grounding switch operating device |
| EP3091551A1 (en) * | 2015-05-06 | 2016-11-09 | ABB Technology AG | Combined discharging and grounding device for a high voltage power converter |
| CN206602064U (en) * | 2017-03-14 | 2017-10-31 | 青岛特锐德电气股份有限公司 | A kind of high speed grounding switch |
| CN206685298U (en) * | 2017-04-05 | 2017-11-28 | 珠海航天科创实业有限公司 | A kind of earthing for having making capability |
| CN207217338U (en) * | 2017-10-13 | 2018-04-10 | 上海上科电器（集团）有限公司 | A kind of follow-on anti-misoperation earthed switch interlocking mechanism |
| CN208596625U (en) * | 2018-09-18 | 2019-03-12 | 南洋电气集团有限公司 | Highly reliable grounding interlocking device |
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