CN201398022Y - Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft - Google Patents
Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft Download PDFInfo
- Publication number
- CN201398022Y CN201398022Y CN2009200330307U CN200920033030U CN201398022Y CN 201398022 Y CN201398022 Y CN 201398022Y CN 2009200330307 U CN2009200330307 U CN 2009200330307U CN 200920033030 U CN200920033030 U CN 200920033030U CN 201398022 Y CN201398022 Y CN 201398022Y
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- transmission line
- insulated metal
- gil
- high drop
- fixed mechanism
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Abstract
The utility model relates to the large hydraulic power project high voltage and heavy current power transmission line, in particular to an ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft, which is characterized in that a gas insulated metal closing transmission line GIL (14) arranged in the shaft wall of a pipe shaft (1) is locked and provided with a support member; and the upper end, the lower end and the middle part of the gas insulated metal closing transmission line GIL (14) arranged in the shaft wall of the pipe shaft (1) are respectivelyprovided with various support members so as to reasonably share the stress of the GIL vertical section and the impact of expanding and meet the safe operation requirement of the GIL device in the high drop shaft. The fixed support has simple structure, convenient and reliable use, significant effect and strong popularization and application value.
Description
Technical field
The utility model relates to large-scale hydroelectric project high voltage, high current power transmission line, particularly a kind of in high drop vertical shaft the gas-insulated metal closed power transmission line fixed mechanism.
Background technology
The GIL system is a kind of high voltage, high current power transmission equipment that adopts gas-insulated, shell and conductor coaxial arrangement.Gas-insulated metal closed power transmission line abbreviates GIL as.Owing to adopted the good gas of insulation property as dielectric, equipment size and arrangement pitch dwindle greatly, can reduce required floor space of apparatus arrangement and space to the full extent, and corresponding civilwork engineering quantity.In view of above advantage, the GIL system is widely used in the large-scale hydroelectric project field.
Large-scale hydroelectric project adopts the arrangement form of underground power house more, as the GIL on high-pressure connection line road, often need be arranged in the vertical shaft that is communicated with underground power house and ground switchyard or outlet station, and drop is often up to hundreds of rice.GIL is a rigid device, and equipment self weight, alignment error and factor such as expand with heat and contract with cold all can produce bigger stress when vertically installing.The install and fix mode of appropriate design GIL in the narrow and small high drop vertical shaft in space, the Stress Release that factor such as expand with heat and contract with cold is produced is fallen, and avoids the stress problem takes place and the GIL equipment fault that causes.Therefore, study, thereby optimal design has crucial meaning to the safe operation of GIL system at the mode of installing and fixing of GIL equipment in the high drop vertical shaft.
Summary of the invention
The purpose of this utility model is to propose a kind of gas-insulated metal closed power transmission line (GIL) installs and fixes mode in high drop vertical shaft practical technique measure, thereby discharge the stress of factor generations such as expanding with heat and contract with cold, to guarantee GIL safe operation, favorably situated purpose of design.
The technical solution of the utility model is: design ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in a kind of high drop vertical shaft, it is characterized in that: be connected with strutting piece on the gas-insulated metal-enclosed power transmission line GIL that arranges in the pipe shaft borehole wall.
Described strutting piece comprises top securing supports, middle part sliding support and bottom elastic supporting member for supporting optical member, and the top securing supports is fixed on the borehole wall of pipe shaft well head below, and socket-connects with gas-insulated metal-enclosed power transmission line GIL; The middle part sliding support has several, and it is slidingly connected on the gas-insulated metal-enclosed power transmission line GIL; The bottom elastic supporting member for supporting optical member is fixed on the ground, gas-insulated metal-enclosed power transmission line GIL vertical section pipe shaft shaft bottom.
Described securing supports is the saddle seat structure, and saddle seat connects by bolt or is welded to connect on steel bracket or pipe shaft borehole wall basis.
Described middle part sliding support is the saddle seat structure, inlays two plastic slides under the saddle seat, is fixed with corrosion resistant plate on the seat of pipe shaft borehole wall basis.
Seat both sides, described pipe shaft borehole wall basis are provided with the guiding link stopper that is used to limit the middle part sliding support.
Described bottom elastic supporting member for supporting optical member is the saddle seat structure, the strutting piece of installing at the both direction up and down of elastic supporting member for supporting optical member corner, bottom is the middle part sliding support, and the laterally steering link stopper gap of middle part, corner sliding support is greater than the gap of the laterally steering link stopper of middle part sliding support on the vertical shaft vertical direction.
Described guiding link stopper is a plastics guiding link stopper.
Characteristics of the present utility model are: at high drop pit mouth securing supports is set, at silo bottom elastic supporting member for supporting optical member is set, at the vertical section mid portion a plurality of sliding supports are set, thereby will be arranged in GIL system safety in the high drop vertical shaft, reasonably be fixedly mounted in the vertical shaft.This supporting way is simple in structure, and is convenient and reliable, and effect is remarkable, has stronger application value.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is vertical vertical shaft section GIL arrangement schematic diagram;
Fig. 2 is vertical vertical shaft section GIL arrangement end view;
Fig. 3 is Fig. 1 I-I cutaway view;
Fig. 4 is Fig. 1 II-II cutaway view.
Among the figure: 1, pipe shaft; 2, cable shaft; 3, air shaft; 4, elevator; 5, cup; 6, gas pipeline adit; 7, drain tunnel; 8, mid-board; 9, abutment wall; 10, inspection platform; 11, lintel; 12, guard rail; 13, mounting guide rail; 14, gas-insulated metal-enclosed power transmission line (GIL); 15, top securing supports; 16, middle part sliding support; 17, bottom elastic supporting member for supporting optical member; 18, installation and operation platform.
Embodiment
As Fig. 1, shown in Figure 3, on vertical shaft abutment wall 9, be provided with mid-board 8, vertical vertical shaft section GIL arrangement is divided into pipe shaft 1, cable shaft 2, air shaft 3, elevator 4, cup 5 and drain tunnel 7, in pipe shaft 1 borehole wall, be arranged with gas-insulated metal-enclosed power transmission line GIL14 (seeing shown in Figure 2) by attachment rail 13, when gas-insulated metal-enclosed power transmission line GIL14 equipment is arranged in high drop vertical shaft, emphasis to consider its fixed form.Because to be arranged vertically height value bigger, the weight of the metal enclosed power transmission line GIL14 of single phase gas insulation equipment self may be up to tens of tons, and how fixing in vertical shaft it is, and will be needs the emphasis considered in the layout design.
As shown in Figure 1, in the present embodiment gas-insulated metal-enclosed power transmission line GIL14 system fixed form in the high drop pipe shaft 1 is adopted following assembled scheme: the GIL supporting way has two kinds: fixed and slidingtype.The fixed support mode is adopted at gas-insulated metal-enclosed power transmission line GIL14 vertical section top, is connected with strutting piece on the gas-insulated metal-enclosed power transmission line GIL14 that arranges in pipe shaft 1 borehole wall.Both top securing supports 15 was fixed near the borehole wall in pipe shaft 1 well head below, and socket-connected with gas-insulated metal-enclosed power transmission line GIL 14; The resiliency supported mode is adopted in gas-insulated metal-enclosed power transmission line GIL14 vertical section bottom, and both bottom elastic supporting member for supporting optical member 17 was fixed on the ground, gas-insulated metal-enclosed power transmission line GIL 14 vertical section pipe shafts, 1 shaft bottom; Gas-insulated metal-enclosed power transmission line GIL14 vertical section mid portion adopts multiple spot sliding support mode, and both middle part sliding support 16 had several, and it is slidingly connected on the gas-insulated metal-enclosed power transmission line GIL14.The installation of above-mentioned strutting piece and maintenance can be undertaken by inspection platform 10 and installation and operation platform 18, and inspection platform 10 is provided with lintel 11 and guard rail 12.
Bottom elastic supporting member for supporting optical member 17 is the saddle seat structure, the strutting piece of installing at the both direction up and down of bottom elastic supporting member for supporting optical member 17 corners is middle part sliding support 16, and the laterally steering link stopper gap of middle part, corner sliding support 16 is greater than the gap of the laterally steering link stopper of middle part sliding support 16 on the vertical shaft vertical direction, so that GIL has bigger extendable room on both direction.The guiding link stopper is a plastics guiding link stopper.
As shown in Figure 4, gas-insulated metal-enclosed power transmission line GIL 14 extends layout to gas pipeline adit 6 horizontal directions.
The support fixation part is arranged on the hoistway wall in the present embodiment, and the distance between fixture is according to shaft height and GIL installs needs and elevator layering situation is determined.By above fixed installation mode, can rationally discharge the stress of GIL vertical section in high drop vertical shaft, and taken into account the GIL vertical section because of the influence of situations such as expanding with heat and contract with cold produce flexible, guaranteed that GIL equipment can safe and stable operation.
Claims (7)
1, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft is characterized in that: be connected with strutting piece on the gas-insulated metal-enclosed power transmission line GIL (14) that arranges in pipe shaft (1) borehole wall.
2, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 1, it is characterized in that: described strutting piece comprises top securing supports (15), middle part sliding support (16) and bottom elastic supporting member for supporting optical member (17), top securing supports (15) is fixed on the borehole wall of pipe shaft (1) well head below, and socket-connects with gas-insulated metal-enclosed power transmission line GIL (14); Middle part sliding support (16) has several, and it is slidingly connected on the gas-insulated metal-enclosed power transmission line GIL (14); Bottom elastic supporting member for supporting optical member (17) is fixed on gas-insulated metal-enclosed power transmission line GIL (14) vertical section pipe shaft (1) ground, shaft bottom.
3, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 2, it is characterized in that: described securing supports (15) is the saddle seat structure, and saddle seat connects by bolt or is welded to connect on steel bracket or pipe shaft (1) borehole wall basis.
4, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 2, it is characterized in that: described middle part sliding support (16) is the saddle seat structure, inlay two plastic slides under the saddle seat, on the seat of pipe shaft (1) borehole wall basis, be fixed with corrosion resistant plate.
5, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 3 is characterized in that: seat both sides, described pipe shaft (1) borehole wall basis are provided with the guiding link stopper that is used for limiting middle part sliding support (16).
6, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 2, it is characterized in that: described bottom elastic supporting member for supporting optical member (17) is the saddle seat structure, the strutting piece of installing at the both direction up and down of bottom elastic supporting member for supporting optical member (17) corner is middle part sliding support (16), and the laterally steering link stopper gap of corner middle part sliding support (16) is greater than the gap of the laterally steering link stopper of middle part sliding support (16) on the vertical shaft vertical direction.
7, ultrahigh-voltage gas insulated metal closed transmission line fixed mechanism in the high drop vertical shaft according to claim 5 is characterized in that: described guiding link stopper is a plastics guiding link stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200330307U CN201398022Y (en) | 2009-05-11 | 2009-05-11 | Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200330307U CN201398022Y (en) | 2009-05-11 | 2009-05-11 | Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201398022Y true CN201398022Y (en) | 2010-02-03 |
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ID=41620552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200330307U Expired - Lifetime CN201398022Y (en) | 2009-05-11 | 2009-05-11 | Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201398022Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153827A (en) * | 2014-07-07 | 2014-11-19 | 桐庐福瑞太阳能科技有限公司 | Integrated wind tunnel type turbine power generation device |
| CN113488931A (en) * | 2021-07-13 | 2021-10-08 | 江苏恒高电气制造有限公司 | Gas insulated transmission line high-fall shaft mounting structure |
| CN115199108A (en) * | 2022-07-06 | 2022-10-18 | 中国电建集团华东勘测设计研究院有限公司 | GIL is qualified for next round of competitions equipment fixing maintenance platform for vertical well |
| CN109580158B (en) * | 2018-12-29 | 2024-03-26 | 北京航天益森风洞工程技术有限公司 | Elevator operation simulation wind tunnel equipment |
-
2009
- 2009-05-11 CN CN2009200330307U patent/CN201398022Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153827A (en) * | 2014-07-07 | 2014-11-19 | 桐庐福瑞太阳能科技有限公司 | Integrated wind tunnel type turbine power generation device |
| CN109580158B (en) * | 2018-12-29 | 2024-03-26 | 北京航天益森风洞工程技术有限公司 | Elevator operation simulation wind tunnel equipment |
| CN113488931A (en) * | 2021-07-13 | 2021-10-08 | 江苏恒高电气制造有限公司 | Gas insulated transmission line high-fall shaft mounting structure |
| CN115199108A (en) * | 2022-07-06 | 2022-10-18 | 中国电建集团华东勘测设计研究院有限公司 | GIL is qualified for next round of competitions equipment fixing maintenance platform for vertical well |
| CN115199108B (en) * | 2022-07-06 | 2024-01-30 | 中国电建集团华东勘测设计研究院有限公司 | Equipment installation and maintenance platform for GIL outgoing shaft |
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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 |
Owner name: HYDROCHINA XIBEI ENGINEERING CORPORATION Free format text: FORMER NAME: NORTHWEST HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER ENGINEERING CONSULTING Owner name: CHINA ELECTRIC POWER CONSTRUCTION GROUP NORTHWEST Free format text: FORMER NAME: HYDROCHINA XIBEI ENGINEERING CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee after: POWERCHINA NORTHWEST ENGINEERING Co.,Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee before: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC |
|
| CP03 | Change of name, title or address |
Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Patentee after: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 general survey and Design Institute of the Northwest Office Patentee before: Northwest Hydro Consulting Engineers, CHECC |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
|
| CX01 | Expiry of patent term |