CN109727746B - Superconducting coil tensioning adjusting device in superconducting current limiter - Google Patents
Superconducting coil tensioning adjusting device in superconducting current limiter Download PDFInfo
- Publication number
- CN109727746B CN109727746B CN201910011145.4A CN201910011145A CN109727746B CN 109727746 B CN109727746 B CN 109727746B CN 201910011145 A CN201910011145 A CN 201910011145A CN 109727746 B CN109727746 B CN 109727746B
- Authority
- CN
- China
- Prior art keywords
- layer
- adjusting
- sliding block
- superconducting coil
- slide block
- 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.)
- Active
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
Images
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The invention discloses a tensioning and adjusting device for a superconducting coil in a superconducting current limiter, which mainly comprises a first layer inner jacking bolt, a first layer adjusting slide block, a stand column, a first layer outer jacking bolt, an upper inner side superconducting coil, an upper outer side superconducting coil, a second layer adjusting slide block, a second layer outer jacking bolt, a third layer adjusting slide block, a lower outer side superconducting coil, a lower inner side superconducting coil, a fourth layer outer jacking bolt, a fourth layer adjusting slide block, a fourth layer inner jacking bolt, a third layer inner jacking bolt and a second layer inner jacking bolt. The upright post 3 is of a fixed structure, when the inner tightening bolt is tightened and the outer tightening bolt is loosened, the corresponding adjusting slide block can be driven to move rightwards, the adjusting slide block comprises an arc boss, the superconducting coil is installed on the arc boss corresponding to the adjusting slide block, and the corresponding superconducting coil can be tensioned when the adjusting slide block moves rightwards.
Description
Technical Field
The invention relates to the field of superconducting current limiters, in particular to a tensioning adjusting device for a superconducting coil in a superconducting current limiter.
Background
With the rapid development of national economy, the demand for electric power is continuously increased, the scale of a power grid is continuously enlarged, the fault current breaks through the breaking capacity of the existing circuit breaker, the relevant electrical equipment in the system is seriously endangered, and the fault current must be quickly cut off in order to ensure the safe and reliable operation of the system. In order to limit the short-circuit current to a controllable level, the concept of superconducting current limiter has been proposed for a long time. However, since the low temperature superconductor operates at the temperature of liquid helium, the operation cost is high, and the cryogenic system is bulky, so that commercialization cannot be realized. After the discovery of high-temperature superconducting materials in 1986, the superconducting current limiter technology refers to the agenda schedule, and in recent decades, various high-temperature superconducting current limiting sample machines are successfully researched and developed at home and abroad, and the operation of a net hanging test is partially realized. According to the prediction of the international high-temperature superconducting power application development roadmap, the high-temperature superconducting current limiter and the superconducting cable are the superconducting power equipment which is firstly brought into the market, and the commercialization is expected to be realized by 2025.
The superconducting current limiter device generally comprises a plurality of layers of parallel superconducting coils, and the problems of inconsistent tension of each coil and the like caused by inconsistent length of each layer of coil are easily caused in the installation and use processes, so that the stability of system operation is seriously influenced. Therefore, the problem of tension adjustment of the superconducting coil has been a great obstacle to the realization of commercial operation of the high-temperature superconducting current limiter, and the design of the tension adjustment device is a very critical technology.
Disclosure of Invention
The purpose of the invention is: the tension adjusting device for the superconducting coils in the superconducting current limiter can apply a pretightening force to each layer of superconducting coils respectively in the installation process, and adjust the tension of each layer of coils respectively, so that the problems that the tension of each coil is inconsistent and the like caused by inconsistent lengths of all layers of coils are solved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a tensioning adjusting device for a superconducting coil in a superconducting current limiter is characterized in that: the adjustable sliding block device comprises an upright post, wherein a first layer of adjusting sliding block, a second layer of adjusting sliding block, a third layer of adjusting sliding block and a fourth layer of adjusting sliding block are sequentially sleeved on the upright post from top to bottom; the bottom surfaces of the first and third sliding block bodies are provided with large-diameter arc bosses surrounding the outer side of the upright post, and the top surfaces of the second and fourth sliding block bodies are provided with small-diameter arc bosses surrounding the outer side of the upright post; the bottom surface of the first slider body is in involution with the top surface of the second slider body, the large-diameter arc boss of the first slider body is positioned on the outer side of the small-diameter arc boss of the second slider body, the bottom surface of the third slider body is in involution with the top surface of the fourth slider body, and the large-diameter arc boss of the third slider body is positioned on the outer side of the small-diameter arc boss of the fourth slider body; and superconducting coils are fixedly wound outside the circular arc bosses of the first layer of adjusting sliding blocks, the second layer of adjusting sliding blocks, the third layer of adjusting sliding blocks and the fourth layer of adjusting sliding blocks.
The tension adjusting device for the superconducting coil in the superconducting current limiter is characterized in that: the inner and outer threaded holes of the first sliding block body are respectively screwed with a first inner and outer jacking bolts; the inner and outer threaded holes of the second sliding block body are respectively screwed with a second inner and outer jacking bolts; the inner and outer threaded holes of the third sliding block body are respectively screwed with a third inner and outer jacking bolt; and the inner and outer threaded holes of the fourth sliding block body are respectively screwed with a fourth inner and outer jacking bolt.
The tension adjusting device for the superconducting coil in the superconducting current limiter is characterized in that: the first layer of outer jacking bolt and the fourth layer of outer jacking bolt are countersunk bolts.
The tension adjusting device for the superconducting coil in the superconducting current limiter is characterized in that: an upper outer side superconducting coil is fixedly wound outside the large-diameter arc boss of the first sliding block body; an upper inner side superconducting coil is fixedly wound outside the small-diameter arc boss of the second sliding block body; a lower outer side superconducting coil is fixedly wound outside the large-diameter arc boss of the third sliding block body; and a lower inner side superconducting coil is fixedly wound outside the small-diameter arc boss of the fourth slider body.
The tension adjusting device for the superconducting coil in the superconducting current limiter is characterized in that: and liquid nitrogen grooves are formed in the outer end surfaces of the first layer of adjusting sliding block, the second layer of adjusting sliding block, the third layer of adjusting sliding block and the fourth layer of adjusting sliding block.
The invention has the advantages that:
the invention relates to a tension adjusting device for a superconducting coil in a superconducting current limiter, which generally comprises a plurality of layers of parallel superconducting coils, and easily solves the problems of inconsistent tension of each coil and the like caused by inconsistent length of each layer of coil in the installation and use processes.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention.
FIG. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic view of a single adjusting slider structure.
Wherein, the reference numbers in the figures: 1-first layer inner top bolt, 2-first layer adjusting slide block, 3-upright post, 4-first layer outer top bolt, 5-upper inner side superconducting coil, 6-upper outer side superconducting coil, 7-second layer adjusting slide block, 8-second layer outer top bolt, 9-third layer outer top bolt, 10-third layer adjusting slide block, 11-lower outer side superconducting coil, 12-lower inner side superconducting coil, 13-fourth layer outer top bolt, 14-fourth layer adjusting slide block, 15-fourth layer inner top bolt, 16-third layer inner top bolt and 17-second layer inner top bolt.
Detailed Description
As shown in fig. 1 and 2. A tensioning adjusting device for a superconducting coil in a superconducting current limiter mainly comprises a first layer internal jacking bolt, a first layer adjusting slide block, a stand column, a first layer external jacking bolt, an upper inner side superconducting coil, an upper outer side superconducting coil, a second layer adjusting slide block, a second layer external jacking bolt, a third layer adjusting slide block, a lower outer side superconducting coil, a lower inner side superconducting coil, a fourth layer external jacking bolt, a fourth layer adjusting slide block, a fourth layer internal jacking bolt, a third layer internal jacking bolt and a second layer internal jacking bolt. The adjusting slide block is fixed on the upright post and can slide left and right along the upright post through adjustment of the corresponding bolt. The first layer of outer jacking bolt and the fourth layer of outer jacking bolt are countersunk bolts. As shown in FIG. 3, the adjusting slider has a circular arc boss and a liquid nitrogen tank structure.
The upright post 3 is fixed, the arc boss of the fourth layer of adjusting slide block 14 faces upwards, the fourth layer of adjusting slide block is fixed on the upright post 3 through the outer top bolt 13 of the fourth layer and the inner top bolt 15 of the fourth layer, and the lower inner side superconducting coil 12 is arranged on the arc boss 18 of the fourth layer of adjusting slide block 14 and has a fourth layer structure; the arc boss 18 of the third layer of adjusting slide block 10 faces downwards and is arranged on the upper surface of the fourth layer of adjusting slide block 14, the third layer of adjusting slide block is fixed on the upright post 3 through the third layer of outer jacking bolt 9 and the third layer of inner jacking bolt 16, and the lower outer side superconducting coil 11 is arranged on the arc boss of the third layer of adjusting slide block 10 and is of a third layer structure; the second layer of adjusting slide blocks 7 are arranged on the third layer of adjusting slide blocks 10 with the arc bosses facing upwards, and are fixed on the upright posts 3 through second layer outer jacking bolts 8 and second layer inner jacking bolts 17, and the upper inner side superconducting coils 5 are arranged on the arc bosses of the second layer of adjusting slide blocks 7 and are of a second layer structure; the arc boss of the first layer of adjusting slide block 2 faces downwards and is arranged on the upper surface of the second layer of adjusting slide block 7, the first layer of adjusting slide block is fixed on the upright post 3 through the first layer of inner jacking bolt 1 and the first layer of outer jacking bolt 4, and the upper outer side superconducting coil 6 is arranged on the arc boss of the first layer of adjusting slide block 2 and is of a first layer structure; 4 sets of adjusting slide block designs respectively have circular arc boss, and 4 layers of superconducting coil are fixed respectively on 4 sets of adjusting slide block, and 4 sets of adjusting slide block designs liquid nitrogen tank 19 structure respectively, make 4 layers of superconducting coil can contact the coolant liquid completely.
The stand 3 be fixed knot structure, when the tight bolt 15 of top in the fourth layer is screwed up, when the tight bolt 13 of top outside the fourth layer loosens, can drive fourth layer adjusting slide 14 and move rightwards, contain the circular arc boss on the fourth layer adjusting slide 14, lower inboard superconducting coil 12 installs on the circular arc boss of fourth layer adjusting slide 14, and the right removal of fourth layer adjusting slide 14 can tensioning lower inboard superconducting coil 12.
When the third layer of inner jacking bolts 16 are screwed down and the third layer of outer jacking bolts 9 are loosened, the third layer of adjusting slide block 10 can be driven to move rightwards, the third layer of adjusting slide block 10 comprises an arc boss, the lower outer superconducting coil 11 is installed on the arc boss of the third layer of adjusting slide block 10, and the right movement of the third layer of adjusting slide block 10 can tension the lower outer superconducting coil 11.
When the jacking bolt 17 in the second layer is screwed down and the jacking bolt 8 outside the second layer is loosened, the second layer adjusting slide block 7 can be driven to move rightwards, the second layer adjusting slide block 7 comprises an arc boss, the upper inner side superconducting coil 5 is installed on the arc boss of the second layer adjusting slide block 7, and the right movement of the second layer adjusting slide block 7 can tension the upper inner side superconducting coil 5.
When the first layer of inner jacking bolts 1 are screwed down and the first layer of outer jacking bolts 4 are loosened, the first layer of adjusting slide block 2 can be driven to move rightwards, the first layer of adjusting slide block 2 comprises an arc boss, the upper outer side superconducting coil 6 is installed on the arc boss of the first layer of adjusting slide block 2, and the right movement of the first layer of adjusting slide block 2 can tension the upper outer side superconducting coil 6.
Claims (5)
1. A tensioning adjusting device for a superconducting coil in a superconducting current limiter is characterized in that: the adjustable sliding block device comprises an upright post, wherein a first layer of adjusting sliding block, a second layer of adjusting sliding block, a third layer of adjusting sliding block and a fourth layer of adjusting sliding block are sequentially sleeved on the upright post from top to bottom; the bottom surfaces of the first layer of adjusting slide block and the third layer of adjusting slide block are respectively provided with a large-diameter arc boss surrounding the outer side of the upright post, and the top surfaces of the second layer of adjusting slide block and the fourth layer of adjusting slide block are respectively provided with a small-diameter arc boss surrounding the outer side of the upright post; the bottom surface of the first slider body is in involution with the top surface of the second slider body, the large-diameter arc boss of the first slider body is positioned on the outer side of the small-diameter arc boss of the second slider body, the bottom surface of the third slider body is in involution with the top surface of the fourth slider body, and the large-diameter arc boss of the third slider body is positioned on the outer side of the small-diameter arc boss of the fourth slider body; and superconducting coils are fixedly wound outside the circular arc bosses of the first layer of adjusting sliding blocks, the second layer of adjusting sliding blocks, the third layer of adjusting sliding blocks and the fourth layer of adjusting sliding blocks.
2. A superconducting coil tension adjusting apparatus in a superconducting current limiter according to claim 1, wherein: the inner and outer threaded holes of the first sliding block body are respectively screwed with a first inner and outer jacking bolts; the inner and outer threaded holes of the second sliding block body are respectively screwed with a second inner and outer jacking bolt; the inner and outer threaded holes of the third sliding block body are respectively screwed with a third inner and outer jacking bolt; and the inner and outer threaded holes of the fourth sliding block body are respectively screwed with a fourth inner and outer jacking bolt.
3. A superconducting coil tension adjusting apparatus in a superconducting current limiter according to claim 2, wherein: the first layer of outer jacking bolt and the fourth layer of outer jacking bolt are countersunk bolts.
4. A superconducting coil tension adjusting apparatus in a superconducting current limiter according to claim 3, wherein: an upper outer side superconducting coil is fixedly wound outside the large-diameter arc boss of the first sliding block body; an upper inner side superconducting coil is fixedly wound outside the small-diameter arc boss of the second sliding block body; a lower outer side superconducting coil is fixedly wound outside the large-diameter arc boss of the third sliding block body; and a lower inner side superconducting coil is fixedly wound outside the small-diameter arc boss of the fourth slider body.
5. A superconducting coil tension adjusting apparatus in a superconducting current limiter according to claim 1, wherein: and liquid nitrogen grooves are formed in the outer end surfaces of the first layer of adjusting sliding block, the second layer of adjusting sliding block, the third layer of adjusting sliding block and the fourth layer of adjusting sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011145.4A CN109727746B (en) | 2019-01-07 | 2019-01-07 | Superconducting coil tensioning adjusting device in superconducting current limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011145.4A CN109727746B (en) | 2019-01-07 | 2019-01-07 | Superconducting coil tensioning adjusting device in superconducting current limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109727746A CN109727746A (en) | 2019-05-07 |
| CN109727746B true CN109727746B (en) | 2020-12-25 |
Family
ID=66298046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910011145.4A Active CN109727746B (en) | 2019-01-07 | 2019-01-07 | Superconducting coil tensioning adjusting device in superconducting current limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109727746B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205141862U (en) * | 2015-10-26 | 2016-04-06 | 东方电气集团东方电机有限公司 | Electric motor rotor's insulating straining device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2948759B2 (en) * | 1996-03-25 | 1999-09-13 | 東光株式会社 | Tension device |
| CN1211802A (en) * | 1997-09-18 | 1999-03-24 | 朱柏 | Superconducting current limiting device having damping coils |
| CA2505501A1 (en) * | 2004-05-04 | 2005-11-04 | Nexans | Method for mechanical stabilisation of tube-shaped superconducting ceramics and mechanically stabilised tube-shaped superconducting composite |
| EP2042461B1 (en) * | 2007-09-25 | 2016-12-07 | tesa SE | Self-tensioning core carrier |
| CN103050276B (en) * | 2012-12-27 | 2015-11-18 | 中国船舶重工集团公司第七二五研究所 | A kind of identical tension can't harm superconduction Winder and method for winding |
| CN107369519B (en) * | 2017-08-22 | 2023-07-25 | 广东电网有限责任公司电力科学研究院 | Coil supporting and fastening device of superconducting current limiter |
-
2019
- 2019-01-07 CN CN201910011145.4A patent/CN109727746B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205141862U (en) * | 2015-10-26 | 2016-04-06 | 东方电气集团东方电机有限公司 | Electric motor rotor's insulating straining device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109727746A (en) | 2019-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1619913A (en) | Resistive superconducting fault current limiter | |
| CN207122749U (en) | A kind of portable SF6Gas inflator | |
| CN107369519B (en) | Coil supporting and fastening device of superconducting current limiter | |
| CN113937665A (en) | Cable tensioning device for overhead laying of cables based on electric power engineering | |
| CN102789883A (en) | Superconductivity flat wave current limiting reactor applicable to high-voltage direct-current transmission | |
| CN109727746B (en) | Superconducting coil tensioning adjusting device in superconducting current limiter | |
| CN201066611Y (en) | A non crystal alloy transformer | |
| CN106059394A (en) | Method for realizing magnetic suspension state through adoption of closed loop constant current high-temperature superconducting coil | |
| CN102412532B (en) | Overhead line pulley device | |
| CN113422336A (en) | Cable clamp with controllable transverse tension and clamping method thereof | |
| CN101640115B (en) | On-load tapping switch hanger | |
| CN105761872A (en) | High-temperature superconducting winding for saturated iron core type superconducting current limiter | |
| CN202045165U (en) | Thermal drawing machine | |
| CN206349214U (en) | A kind of support installed for transformer | |
| KR102571959B1 (en) | Arrangement for current limitation which is suitable for integration into a power supply serving network | |
| CN209124632U (en) | The vertical automatic layer of one kind is around equipment | |
| Wang et al. | Saturated iron core superconducting fault current limiter | |
| CN209161176U (en) | A kind of bobbin winder device that cable is evenly distributed | |
| CN201252354Y (en) | On-load tapping changing switch suspension bracket | |
| CN113363922B (en) | External protection structure for underground high-temperature-resistant and high-voltage-resistant cable | |
| JP5921875B2 (en) | Superconducting coils for power induction devices and power induction devices | |
| CN109346996A (en) | A kind of power construction wire tensioning device and line tightening method | |
| CN211320764U (en) | Crossing rope structure | |
| CN104485221A (en) | Manufacturing method of double-split superconducting transformer coil | |
| CN1815839A (en) | Super-conductive fault current limiter with short-cut ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: 230031 Building 2, Dongpu Island, Hefei City, Anhui Province Patentee after: Hefei Science Island Holdings Co.,Ltd. Country or region after: China Address before: 230031 No. 350 Lake Road, Hefei, Anhui, Shushan Patentee before: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240619 Address after: Room 799-5, 7th Floor, Building A3A4, Zhong'an Chuanggu Science and Technology Park, No. 900 Wangjiang West Road, Hefei High tech Zone, China (Anhui) Pilot Free Trade Zone, Hefei City, Anhui Province, 230088 Patentee after: Fusion New Energy (Anhui) Co.,Ltd. Country or region after: China Address before: 230031 Building 2, Dongpu Island, Hefei City, Anhui Province Patentee before: Hefei Science Island Holdings Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |