CN203070998U - Ball screw transmitted three-position isolation grounding switch - Google Patents
Ball screw transmitted three-position isolation grounding switch Download PDFInfo
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- CN203070998U CN203070998U CN 201320063767 CN201320063767U CN203070998U CN 203070998 U CN203070998 U CN 203070998U CN 201320063767 CN201320063767 CN 201320063767 CN 201320063767 U CN201320063767 U CN 201320063767U CN 203070998 U CN203070998 U CN 203070998U
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- ball screw
- earthing switch
- grounding
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Abstract
The utility model discloses a ball screw transmitted three-position isolation grounding switch, comprising a static contact base fixed on a disk insulator, wherein a static contact is fixed on the static contact base, the static contact is connected with a moving contact through a finger-type contact, a grounding static contact is sequentially connected with a bus, a grounding insulator and a grounding bus, a bevel gear drive is connected with a guide block sleeved on a ball screw through the ball screw, the guide block is fixedly connected with the moving contact, the moving contact is matched with the static contact, and an intermediate contact is matched with the grounding static contact. The ball screw transmitted three-position isolation grounding switch provided by the utility model can overcome the defects of large size or poor insulation performance of the existing switch, and can achieve the purpose of realizing three working states at three working positions such as working position, isolating position and grounding position of the three-position isolation grounding switch; and the transmission of the ball screw transmitted three-position isolation grounding switch is direct and simple, the space required by switch installation is small in size, the isolation grounding moving and static contacts are in direct butt joint and insertion, the resistance is low, and the alignment is easy so as to ensure the contact reliability of the insertion of the movable contact.
Description
Technical field
The utility model relates to a kind of isolation, earthed switch, especially a kind of 252kV and above high pressure field Cubicle Gas-Insulated Switchgear ball screw transmission three station isolation earthing switch.
Background technology
Cubicle Gas-Insulated Switchgear (being called for short GIS) is that the all-closed combined High-Voltage Electrical Appliances with the SF6 insulating gas are filled in inside, because its integrated degree height (integrating circuit breaker, isolating switch, instrument transformer, earthed switch etc.), floor space is little, safe and reliable, in electrical network, obtained application more and more widely.Particularly high pressure 252kV and superhigh pressure field, Cubicle Gas-Insulated Switchgear (being called for short GIS) has occupied main status in electrical network.
The requirement that GIS is little at reliability height, volume in order fully to satisfy, quality gently reaches aspect such as non-maintaining, the used isolation earthing switch of GIS progressively adopts fabricated structure, three station isolation earthing switch are isolating switch and the combined integrated product of earthed switch function, can make major loop be in conducting, isolation, three kinds of operating states of ground connection according to the action of operating mechanism.Isolating switch is at the zero load following deciliter circuit of ultra-high-tension power transmission line generally speaking, to reach conversion and the interruption maintenance purpose that realizes circuit, and under specific circumstances also can deciliter limited certain loads.Earthed switch is mainly used in major loop ground connection.
The transmission of the moving contact structure of the three station isolation earthing switch that generally use and operation rotating shaft and moving contact at present mainly contains the transmission of linear pattern rack-and-pinion and two kinds of versions of the direct transmission of oscillating-type, the transmission of linear pattern rack-and-pinion adopts single moving contact rectilinear motion to realize three kinds of operating states of three station isolation earthing switch, movement travel is long, isolate the ground connection fixed contact and arrange point-blank, it is big that switch is installed required bulk.In order to satisfy the requirement of space structure, leading body all adopts the polymorphic structure aluminum casting, and rack-and-pinion transmission manufacturing, installation accuracy have relatively high expectations, thereby cost is also higher.The direct drive isolation earthing switch of oscillating-type adopts moving contact to realize three kinds of operating states of three station isolation earthing switch around operation rotating shaft rotary oscillation, transmission is directly simple, isolating the ground connection fixed contact can become various angles to arrange, it is little that switch is installed required bulk, but need rotate the butt joint plug owing to isolate the ground connection dynamic/static contact, thereby influence the assembly performance of three station isolation earthing switch.And adopt blade plug-in type contact, and then can make contact shape produce corner angle, have influence on electric field evenly to distribute, be difficult to also accomplish that electric field is even even shield member is set in addition, thereby influence the insulation property of three station isolation earthing switch.So, adopt a kind of transmission contact structures of three station isolation earthing switch newly just necessary.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of ball screw transmission three station isolation earthing switch, can overcome the big or not good defective of insulation property of existing volume of switch, transmission is directly simple, it is little that switch is installed required bulk, and isolate the ground connection dynamic/static contact and directly dock plug, resistance is little, be easy to aim at, and guaranteed the contact reliability that moving contact inserts.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of ball screw transmission three station isolation earthing switch, comprise the stationary contact headstock that is fixed on the disk insulator, fixed contact is fixedly arranged on the stationary contact headstock, fixed contact touches by the finger type and is connected with moving contact, ground connection fixed contact and bus, ground insulation and earth bus are linked in sequence, Bevel Gear Transmission is connected with guide block on being sleeved on ball screw by ball screw, guide block is fixedlyed connected with moving contact, and moving contact matches with fixed contact, middle contact and ground connection fixed contact.
Middle contact is fixed in the support.
The ground connection fixed contact is fixed on the housing by insulation board.
Finger type contact is provided with touch spring, and middle contact is provided with spring touch finger.
Be provided with the guide rail that matches with moving contact in the middle contact.
The ground connection fixed contact is equipped with radome outward.
Bevel Gear Transmission is made up of the bevel gear of two assemblings at 45.
Fixed contact is Mume flower contact.
The ball screw transmission three station isolation earthing switch that the utility model provides, the straight-line structure of a kind of ball screw has been adopted on basis at the switch of the transmission of existing linear pattern rack-and-pinion and two kinds of versions of the direct transmission of oscillating-type, be that bevel gear drive ball screw rotates, the ball screw of rotation promotes guide block and fixed contact moving linearly, can overcome the big or not good defective of insulation property of existing volume of switch, reach three station isolation earthing switch and realize the service position, the isolated location, three kinds of operating states of three stations of earthing position, this patent transmission is directly simple, fixed contact adopts Mume flower contact, it is little that switch is installed required bulk, and isolate the ground connection dynamic/static contact and directly dock plug, resistance is little, be easy to aim at, guaranteed the contact reliability that moving contact inserts.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is in the schematic diagram that major loop is connected operating state for the utility model;
Fig. 3 is in the schematic diagram that major loop is isolated operating state for the utility model;
Fig. 4 is in the schematic diagram of major loop ground connection operating state for the utility model.
Embodiment
As shown in Figure 1, the utility model comprises the stationary contact headstock 2 that is fixed on the disk insulator 1, fixed contact 3 is fixedly arranged on the stationary contact headstock 2, fixed contact 3 is connected with moving contact 6 by finger type contact 5, ground connection fixed contact 13 is linked in sequence with bus 18, ground insulation 19 and earth bus 20, Bevel Gear Transmission 17 is connected with guide block 7 on being sleeved on ball screw 11 by ball screw 11, and guide block 7 is fixedlyed connected with moving contact 6, and moving contact 6 matches with fixed contact 3, middle contact 9 and ground connection fixed contact 13.
Ground connection fixed contact 13 is fixed on the housing by insulation board 14.
Finger type contact 5 is provided with touch spring 4, and middle contact 9 is provided with spring touch finger 8.
Be provided with the guide rail 10 that matches with moving contact 6 in the middle contact 9.
The ground connection fixed contact 13 outer radomes 12 that are equipped with.
Bevel Gear Transmission 17 is made up of the bevel gear of two assemblings at 45.
Fixed contact 3 is Mume flower contact, and Bevel Gear Transmission 17 is connected with joint 16.
Operation principle of the present utility model is as follows:
The major loop of three station isolation earthing switch of ball screw straight line drive mechanism is connected the service position: electronic
Under the drive of operating mechanism, Bevel Gear Transmission 17 drives ball screw 11 and rotates, the rotatablely moving and drive guide block 7 moving linearlies that are sleeved on ball screw 11 of ball screw 11, because guide block 7 fixedlys connected with moving contact 6, moving contact 6 also moving linearly under the drive of ball screw 11 at this moment.Arrive assigned address when the action of electric operating mechanism, moving contact 6 correctly is inserted in the fixed contact 3.At this moment, motor power is cut off, and bevel gear stops operating, and realizes the operating state of three station isolation earthing switch, and the utility model is in schematic diagram that major loop connects operating state as shown in Figure 2.
Three station isolation earthing switch of ball screw straight line drive mechanism are transformed into the isolated location from the work on-state position: three station isolation earthing switch of ball screw straight line drive mechanism are under the drive of electric operating mechanism, Bevel Gear Transmission 17 drives ball screw 11 and rotates, the rotatablely moving and drive guide block 7 moving linearlies that are sleeved on ball screw 11 of ball screw 11, because guide block 7 fixedlys connected with moving contact 6, moving contact 6 also moving linearly under the drive of ball screw 11 at this moment.When electric operating mechanism moves assigned address, moving contact 6 is return exactly in middle contact 9.At this moment, motor power is cut off, and bevel gear stops operating, and realizes that three station isolation earthing switch enter into isolation by the major loop on-state.This moment, three station isolation earthing switch of ball screw straight line drive mechanism were finished the isolation action.The utility model is in schematic diagram that major loop isolates operating state as shown in Figure 3.
Three station isolation earthing switch of ball screw straight line drive mechanism are from the isolated location to the earthing position: ball screw
Three station isolation earthing switch of straight line drive mechanism are under the drive of electric operating mechanism, Bevel Gear Transmission 17 drives ball screw 11 and rotates, the rotatablely moving and drive guide block 7 moving linearlies that are sleeved on ball screw 11 of ball screw 11, because guide block 7 fixedlys connected with moving contact 6, moving contact 6 also moving linearly under the drive of ball screw 11 at this moment.Arrive assigned address when the action of electric operating mechanism, motor power is cut off by auxiliary switch, and moving contact 6 correctly is inserted in the ground connection fixed contact 13.This moment, three station isolation earthing switch of ball screw straight line drive mechanism were finished landing operation.Three station isolation earthing switch are when the ground connection service position, be that the GIS galvanic circle is in ground state, can make the staff that the associated components of the generalized information system of being isolated ground connection is checked, tests and safeguards, the schematic diagram that the utility model is in major loop ground connection operating state as shown in Figure 4.
After the staff checks, tests the associated components of the generalized information system of being isolated ground connection and safeguards, GIS
State is used in the work that will return to of system.When three station isolation earthing switch of ball screw straight line drive mechanism will turn back to isolated location or on-position from earthing position, direction when the direction of rotation of the ball screw of three station isolation earthing switch of ball screw straight line drive mechanism and the straight-line direction of guide block are with above-mentioned major loop connection, isolation or ground connection at this moment is opposite, and arrives assigned address under the drive of Bevel Gear Transmission 17.Because three station isolation earthing switch of ball screw 11 straight line drive mechanisms are hermetically sealed and be filled with in the GIS pot type volume of SF6 gas of certain pressure major loop is realized connection, isolation, three kinds of operating states of ground connection.Therefore, it all is to rely on the special-purpose stopping means of outside electric operating mechanism to realize that three station isolation earthing switch of ball screw straight line drive mechanism are finished the spacing of ground connection, isolation, ON Action, guarantee that motor power is cut off, bevel gear stops operating and pins automatically.
Claims (8)
1. ball screw transmission three station isolation earthing switch, comprise the stationary contact headstock (2) that is fixed on the disk insulator (1), stationary contact headstock (2) is gone up fixedly fixed contact (3), it is characterized in that: fixed contact (3) is connected with moving contact (6) by finger type contact (5), ground connection fixed contact (13) and bus (18), ground insulation (19) and earth bus (20) are linked in sequence, Bevel Gear Transmission (17) is connected with guide block (7) on being sleeved on ball screw (11) by ball screw (11), guide block (7) is fixedlyed connected with moving contact (6), moving contact (6) and fixed contact (3), middle contact (9) and ground connection fixed contact (13) match.
2. ball screw transmission three station isolation earthing switch according to claim 1, it is characterized in that: middle contact (9) is fixed in the support (15).
3. ball screw transmission three station isolation earthing switch according to claim 1 and 2, it is characterized in that: ground connection fixed contact (13) is fixed on the housing by insulation board (14).
4. ball screw transmission three station isolation earthing switch according to claim 1 and 2, it is characterized in that: refer to that type contact (5) is provided with touch spring (4), middle contact (9) is provided with spring touch finger (8).
5. ball screw transmission three station isolation earthing switch according to claim 1 and 2 is characterized in that: be provided with the guide rail (10) that matches with moving contact (6) in the middle contact (9).
6. ball screw transmission three station isolation earthing switch according to claim 1 and 2 is characterized in that: the outer radome (12) that is equipped with of ground connection fixed contact (13).
7. ball screw transmission three station isolation earthing switch according to claim 1 and 2, it is characterized in that: Bevel Gear Transmission (17) is made up of the bevel gear of two assemblings at 45.
8. ball screw transmission three station isolation earthing switch according to claim 1 and 2, it is characterized in that: fixed contact (3) is Mume flower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063767 CN203070998U (en) | 2013-02-04 | 2013-02-04 | Ball screw transmitted three-position isolation grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063767 CN203070998U (en) | 2013-02-04 | 2013-02-04 | Ball screw transmitted three-position isolation grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070998U true CN203070998U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320063767 Expired - Lifetime CN203070998U (en) | 2013-02-04 | 2013-02-04 | Ball screw transmitted three-position isolation grounding switch |
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| CN (1) | CN203070998U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367021A (en) * | 2013-07-27 | 2013-10-23 | 北海银河开关设备有限公司 | Solid insulating isolating grounding switch |
| CN105206464A (en) * | 2015-08-17 | 2015-12-30 | 平高集团威海高压电器有限公司 | Three-station isolation grounding switch and GIS equipment equipped with the three-station isolation grounding switch |
| CN105655913A (en) * | 2016-03-08 | 2016-06-08 | 河南平高电气股份有限公司 | Disconnecting grounding switch mechanism, switch equipment and guide contact base of disconnecting grounding switch mechanism |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN109727807A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Dry air type disconnecting switch |
| CN110011213A (en) * | 2019-04-25 | 2019-07-12 | 上海巴佩开关设备有限公司 | Rotating propulsion type Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch |
| CN110459412A (en) * | 2019-07-23 | 2019-11-15 | 杭州之江开关股份有限公司 | A kind of twin-power switch power supply electricity getting device and its operating method |
| CN112786341A (en) * | 2021-03-10 | 2021-05-11 | 上海思源高压开关有限公司 | High-voltage switch mechanism protection device |
-
2013
- 2013-02-04 CN CN 201320063767 patent/CN203070998U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367021A (en) * | 2013-07-27 | 2013-10-23 | 北海银河开关设备有限公司 | Solid insulating isolating grounding switch |
| CN103367021B (en) * | 2013-07-27 | 2016-02-03 | 北海银河开关设备有限公司 | A kind of solid insulation isolation earthing switch |
| CN105206464A (en) * | 2015-08-17 | 2015-12-30 | 平高集团威海高压电器有限公司 | Three-station isolation grounding switch and GIS equipment equipped with the three-station isolation grounding switch |
| CN105206464B (en) * | 2015-08-17 | 2017-12-15 | 平高集团威海高压电器有限公司 | Three-station isolating grounding switch and the GIS device using the switch |
| CN105655913A (en) * | 2016-03-08 | 2016-06-08 | 河南平高电气股份有限公司 | Disconnecting grounding switch mechanism, switch equipment and guide contact base of disconnecting grounding switch mechanism |
| CN105655913B (en) * | 2016-03-08 | 2018-03-02 | 河南平高电气股份有限公司 | Isolation earthing switch mechanism, switchgear and its guidance contacts seat |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN109727807A (en) * | 2018-12-14 | 2019-05-07 | 北京双杰电气股份有限公司 | Dry air type disconnecting switch |
| CN110011213A (en) * | 2019-04-25 | 2019-07-12 | 上海巴佩开关设备有限公司 | Rotating propulsion type Cubicle Gas-Insulated Switchgear gas tank and tri-station isolating switch |
| CN110459412A (en) * | 2019-07-23 | 2019-11-15 | 杭州之江开关股份有限公司 | A kind of twin-power switch power supply electricity getting device and its operating method |
| CN110459412B (en) * | 2019-07-23 | 2024-03-19 | 杭州之江开关股份有限公司 | Dual-power switching power supply electricity taking device and operation method thereof |
| CN112786341A (en) * | 2021-03-10 | 2021-05-11 | 上海思源高压开关有限公司 | High-voltage switch mechanism protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 443004 No. 100 Tan Tan Road, Point Military Area, Yichang, Hubei Patentee after: HUBEI HUKAI ELECTRIC CO.,LTD. Address before: 443004 No. 100 Tan Tan Road, Point Military Area, Yichang, Hubei Patentee before: Lexing Hukai Electrical (Hubei) Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190820 Address after: 238300 Wuwei Economic Development Zone Chengdong Park, Wuhu City, Anhui Province Patentee after: Angao Electric Co.,Ltd. Address before: 443004 No. 100 Tan Tan Road, Point Military Area, Yichang, Hubei Patentee before: HUBEI HUKAI ELECTRIC CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |