CN109921323B - Isolation device for operation equipment of protection screen - Google Patents
Isolation device for operation equipment of protection screen Download PDFInfo
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- CN109921323B CN109921323B CN201910091736.7A CN201910091736A CN109921323B CN 109921323 B CN109921323 B CN 109921323B CN 201910091736 A CN201910091736 A CN 201910091736A CN 109921323 B CN109921323 B CN 109921323B
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- rod
- reel
- main rod
- reel main
- rotating shaft
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- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The isolation device for the operation equipment of the protection screen is used for the isolation procedure of a transformer substation, can play a role in warning, avoids misoperation and reduces the occurrence probability of accidents. Moreover, the isolating device for the operation equipment of the protection screen is simple in structure, convenient to carry and use, and the main reel rod and the auxiliary reel rod are provided with the magnet strips, so that an additional supporting structure is not needed, the whole quality is lighter, and the isolating device is installed at a position needing shielding in a suction mode during use. Further, the reel main rod and the reel auxiliary rod are arranged to be of an arch structure, the magnet bars are arranged on the plane side wall of the arch structure, and when the magnetic iron core is used, the plane side wall is larger than the attraction area of the curved side wall, and the shielding structure is more stable and not easy to slip.
Description
Technical Field
The invention relates to a power equipment protection device, in particular to a protection screen operation equipment isolation device.
Background
In the power system, the relay protection device is used for protecting the power system and elements thereof (such as a generator, a transformer, a transmission line, a bus and the like) from damage, and is important equipment in a transformer substation, and the safe operation of the relay protection device is directly related to the safe operation of a power grid and even the power system. In the existing transformer substation design, protection devices with different intervals are often arranged on the same protection screen so as to save space and screen cabinet cost, but when overhauling, especially when overhauling at a single interval, the overhauling protection device is in the same screen as the protection device of operation equipment, the risk of misoperation of the protection device exists, especially the front panel with an operation button and the backboard with secondary wiring are arranged, for example, misoperation is needed to be carried out on the operation protection device when the overhauling protection device is adjusted to a fixed value, or misoperation or refusal operation is probably caused when the overhauling protection device is carried out on the backboard of the protection device, and accidents and large economic losses are caused, so that isolation protection measures are needed to be adopted for the panel and the backboard of the protection device to avoid misoperation of the operation protection device on the same screen when overhauling.
At present, the transformer substation is mostly isolated by hanging red cloth or hanging a card. However, the isolation red cloth is large in general size, and a certain part in the protection screen cannot be isolated independently; the reminding function can only be mentioned in the listing, the equipment can not be physically isolated, or misoperation risks exist. In order to solve the isolation problem of the protection screen, chinese patent CN106684734A discloses an isolation protection cover for a front panel of a protection device, which comprises a transparent plastic warning board and an arc-shaped support frame for fixing the warning board, wherein the arc-shaped support frame and the warning board are in a separated design, two side sealing plates of the warning board and the arc-shaped support frame are respectively embedded with magnets, and when the protection cover is used, the protection cover is assembled through magnet attraction, but the stability of the assembly mode is poor, slipping easily occurs, and the arc-shaped support frame also enables the space occupied by the isolation protection cover to be larger when the protection cover is used, and meanwhile, the single isolation protection cover can only cover a shielding specification and is limited in application range.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a protective screen operation equipment isolation device.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a protection screen operation equipment isolating device, includes flexible shielding layer, set up respectively in spool mobile jib and the vice pole of spool of flexible shielding layer left and right sides limit, spool mobile jib with the vice pole of spool is hollow pole, two the inside bonding of hollow pole has a plurality of magnet strips.
Based on the above, a rotating shaft lever is arranged in the reel main lever, a long hole is formed in the side wall of the reel main lever, and one side edge of the flexible shielding layer passes through the long hole and is fixed on the rotating shaft lever; the two ends of the rotating shaft rod are respectively provided with a supporting rod, the outer end of the supporting rod is provided with an arc-shaped sheet vertical to the supporting rod, the inner wall of the main rod of the scroll is provided with a circumferential guide rail which is matched with the arc-shaped sheet, and the arc-shaped sheet stretches into the circumferential guide rail; the reel main rod comprises a reel main rod, wherein a rotary shaft rod is arranged at the upper end of the reel main rod, a sealing cover is arranged at the two ends of the reel main rod, the sealing cover corresponds to the rotary shaft rod opening, and the two ends of the rotary shaft rod penetrate through the sealing cover.
Based on the above, the external diameter of arc piece equals the internal diameter of spool mobile jib, circumference guide rail including set up perpendicularly in the inner wall of spool mobile jib, and the external diameter with two annular pieces that the internal diameter of spool mobile jib suited, the arc piece stretches into two between the annular piece, the length of supporting rod equals the spool mobile jib with the radius difference of rotating the axostylus axostyle.
Based on the above, a coil spring is provided between the rotating shaft lever and the spool main lever.
Based on the above, a plurality of pairs of clamping holes and a U-shaped clamp are uniformly formed in the sealing cover, and the lengths of two insertion pins of the U-shaped clamp are larger than the distance between the supporting rod and the adjacent sealing cover.
Based on the above, a plurality of pairs of clamping holes and a U-shaped card are uniformly formed in the reel main rod corresponding to the circumferential guide rail, and a pair of through holes are formed in the arc-shaped sheet corresponding to two insertion pins of the U-shaped card.
Based on the above, the cover is provided with the knob, one end of the knob corresponds to the position of the arc-shaped piece and is provided with the position mark, the inner end of the knob is connected with one end of the rotating shaft lever, and a plurality of position marks are uniformly arranged on the circumference taking the center of the knob as the circle center.
Based on the above, the cross sections of the reel main rod and the reel auxiliary rod are arched, the magnet bars are arranged on the plane side walls of the reel main rod and the reel auxiliary rod, the circumferential guide rail comprises two arched ring pieces vertically fixed on the inner wall of the reel main rod, and the arched pieces extend into between the two arched ring pieces; the length of the supporting rod is smaller than the difference between the minimum inner diameter of the reel main rod and the radius of the rotating shaft rod, the inner rings of the two arched ring pieces are vertically bent, two limiting rings are formed by extending between the two arched ring pieces, and the distance between the two limiting rings is smaller than the width of the arched pieces.
Based on the above, the flexible shielding layer is sprayed with warning slogans.
Compared with the prior art, the isolation device for the operation equipment of the protection screen has outstanding substantive characteristics and remarkable progress, and particularly, the isolation device for the operation equipment of the protection screen is used for an isolation procedure of a transformer substation, can play a role in warning, avoid misoperation and reduce the occurrence probability of accidents. Moreover, the isolating device for the operation equipment of the protection screen is simple in structure, convenient to carry and use, and the main reel rod and the auxiliary reel rod are provided with the magnet strips, so that an additional supporting structure is not needed, the whole quality is lighter, and the isolating device is installed at a position needing shielding in a suction mode during use. Further, the reel main rod and the reel auxiliary rod are arranged to be of an arch structure, the magnet bars are arranged on the plane side wall of the arch structure, and when the magnetic iron core is used, the plane side wall is larger than the attraction area of the curved side wall, and the shielding structure is more stable and not easy to slip.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the spool main lever according to the present invention.
Fig. 3 is a schematic cross-sectional view of the spool lever according to the present invention.
Fig. 4 is a schematic view of the structure of the closure according to the present invention.
Fig. 5 is a schematic structural view of the spool main lever according to the present invention.
In the figure: 1. a spool main lever; 2. a flexible masking layer; 3. a reel auxiliary rod; 4. a magnet bar; 5. a cover; 6. a long hole; 7. rotating the shaft lever; 8. a support rod; 9. an annular sheet; 10. a knob; 11. a position mark; 12. a position mark; 13. arcuate ring segments; 14. arc-shaped pieces.
Detailed Description
The technical scheme of the invention is further described in detail through the following specific embodiments.
Example 1
As shown in fig. 1-4, a protection screen operation equipment isolation device comprises a flexible shielding layer 1, a reel main rod 1 and a reel auxiliary rod 3, wherein the reel main rod 1 and the reel auxiliary rod 3 are respectively arranged on the left side and the right side of the flexible shielding layer 2, warning sign language operation equipment is sprayed on the front side and the back side of the flexible shielding layer 1, the reel main rod 1 and the reel auxiliary rod 3 are hollow rods, and a plurality of magnet strips 4 are adhered to the interiors of the hollow rods. When the flexible shielding layer 1 is used, the reel main rod 1 and the reel auxiliary rod 3 are attracted to the protection screen operation equipment through the magnet strips.
Further, a rotating shaft lever 7 is arranged in the reel main rod 1, a long hole 6 is formed in the side wall of the reel main rod 1, and one side edge of the flexible shielding layer 2 passes through the long hole 6 and is fixed on the rotating shaft lever 7; the two ends of the rotating shaft rod 7 are respectively provided with a supporting rod 8, the outer end of the supporting rod 8 is provided with an arc-shaped sheet 14 perpendicular to the supporting rod 8, the inner wall of the reel main rod 1 is provided with a circumferential guide rail which is matched with the arc-shaped sheet 14, the arc-shaped sheet 4 stretches into the circumferential guide rail, the rotating shaft rod 7 is rotated, and the arc-shaped sheet 4 moves along the circumferential guide rail; the spool mobile jib 1's both ends are provided with closing cap 5, closing cap 5 corresponds the trompil of rotation axostylus axostyle 7, the both ends of rotation axostylus axostyle 7 pass closing cap 5 sets up. When the flexible shielding layer 2 is used, the reel auxiliary rod is pulled to unwind, and when the flexible shielding layer 2 needs to be retracted, the rotating shaft rod is rotated to extend out of the rotating shaft rod to be retracted.
In order to further enhance the stability of the structure, the outer diameter of the arc-shaped piece 14 is equal to the inner diameter of the reel main rod 1, the circumferential guide rail comprises two annular pieces, the inner wall of the reel main rod 1 is vertically arranged, the outer diameter of the annular pieces is matched with the inner diameter of the reel main rod 1, the arc-shaped piece 14 extends into the space between the two annular pieces, and the length of the supporting rod is equal to the radius difference between the reel main rod and the rotating shaft rod.
Further, a coil spring is provided between the rotating shaft lever 1 and the spool main lever so that the flexible shielding layer 2 can be automatically contracted by the coil spring.
Further, the cover 5 is uniformly provided with a plurality of pairs of clamping holes and a first U-shaped card, and the lengths of two insertion pins of the first U-shaped card are larger than the distance between the support rod 7 and the adjacent cover 5. So that after a length of flexible screening layer 2 has been unfolded as required, the first U-shaped card is inserted to prevent the rotation of the rotating shaft to continue, so as to adapt to the required screening length.
Further, a plurality of pairs of clamping holes and a second U-shaped card are uniformly formed in the reel main rod 1 corresponding to the circumferential guide rail, and a pair of through holes are formed in the arc-shaped sheet 14 corresponding to two insertion pins of the second U-shaped card. So that when securing is desired, the alignment tab 14 is inserted into the second U-shaped card, improving the stability of the securing structure.
Further, in order to facilitate determining the position of the arc-shaped piece 14 or the support rod, the cover 5 is provided with a knob 10, one end of the knob 10 corresponds to the position of the arc-shaped piece 14 and is provided with a position mark 12, the inner end of the knob 10 is connected with one end of the rotating shaft lever 7, so that the knob 10 can rotate synchronously with the support rod, and a plurality of position marks 11 are uniformly arranged on the circumference taking the center of the knob 10 as the center of the circle. When the flexible shielding layer 1 needs to be wound, the rotating shaft rod 7 can be driven to rotate by rotating the knob, and after the flexible shielding layer 1 with the needed length is unfolded, the clamping hole can be rotated according to the position of the position mark 12 on the knob 10, and the U-shaped clamp can be inserted. The position marks 12 on the knob 10 and the position marks 11 around the knob 10 may be the same or different.
Example 2
This embodiment differs from embodiment 1 in that: as shown in fig. 5, the cross sections of the reel main rod 1 and the reel auxiliary rod are arched, the magnet bars are arranged on the plane side walls of the reel main rod 1 and the reel auxiliary rod, the circumferential guide rail comprises two arched ring pieces 13 vertically fixed on the inner wall of the reel main rod 1, and the arched pieces 14 extend into between the two arched ring pieces 13; the length of the supporting rod 8 is smaller than the difference between the minimum inner diameter of the reel main rod 1 and the radius of the rotating shaft rod, the inner rings of the two arched ring pieces 13 are vertically bent and extended to form two limiting rings, the spacing between the two limiting rings is smaller than the width of the arched piece 14, and the rotating shaft rod is prevented from moving back and forth in the rotating process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. A protection screen operation equipment isolating device, its characterized in that: the flexible shielding layer comprises a flexible shielding layer, a reel main rod and a reel auxiliary rod, wherein the reel main rod and the reel auxiliary rod are respectively arranged on the left side and the right side of the flexible shielding layer, the reel main rod and the reel auxiliary rod are hollow rods, and a plurality of magnet strips are bonded inside the two hollow rods;
a rotating shaft lever is arranged in the reel main rod, a long hole is formed in the side wall of the reel main rod, and one side edge of the flexible shielding layer penetrates through the long hole and is fixed on the rotating shaft lever; the two ends of the rotating shaft rod are respectively provided with a supporting rod, the outer end of the supporting rod is provided with an arc-shaped sheet vertical to the supporting rod, the inner wall of the main rod of the scroll is provided with a circumferential guide rail which is matched with the arc-shaped sheet, and the arc-shaped sheet stretches into the circumferential guide rail; the two ends of the reel main rod are provided with sealing covers, the sealing covers correspond to the openings of the rotating shaft rods, and the two ends of the rotating shaft rods penetrate through the sealing covers;
the outer diameter of the arc-shaped piece is equal to the inner diameter of the reel main rod, the circumferential guide rail comprises two annular pieces which are vertically arranged on the inner wall of the reel main rod and the outer diameter of which is matched with the inner diameter of the reel main rod, the arc-shaped piece stretches into the space between the two annular pieces, and the length of the supporting rod is equal to the radius difference between the reel main rod and the rotating shaft rod;
the cross sections of the reel main rod and the reel auxiliary rod are arched, the magnet bars are arranged on the plane side walls of the reel main rod and the reel auxiliary rod, the circumferential guide rail comprises two arched ring pieces which are vertically fixed on the inner wall of the reel main rod, and the arched pieces extend into the space between the two arched ring pieces; the length of the supporting rod is smaller than the difference between the minimum inner diameter of the reel main rod and the radius of the rotating shaft rod, the inner rings of the two arched ring pieces are perpendicularly bent and extended to form two limiting rings, and the distance between the two limiting rings is smaller than the width of the arched pieces.
2. The protective screen operation device isolation apparatus of claim 1, wherein: a coil spring is arranged between the rotating shaft rod and the scroll main rod.
3. The protective screen operation device isolation apparatus of claim 2, wherein: the sealing cover is uniformly provided with a plurality of pairs of clamping holes and a first U-shaped clamp, and the lengths of two insertion pins of the first U-shaped clamp are larger than the distance between the support rod and the adjacent sealing cover.
4. The protective screen operation device isolation apparatus of claim 2, wherein: a plurality of pairs of clamping holes and a second U-shaped card are uniformly formed in the reel main rod corresponding to the circumferential guide rail, and a pair of through holes are formed in the arc-shaped piece corresponding to two insertion pins of the second U-shaped card.
5. The protective screen operation device isolation apparatus of claim 3 or 4, wherein: the rotary shaft is characterized in that a knob is arranged on the sealing cover, one end of the knob corresponds to the position of the arc-shaped piece and is provided with a position mark, the inner end of the knob is connected with one end of the rotary shaft rod, and a plurality of uniform position marks are arranged on the circumference taking the center of the knob as the center of a circle.
6. The protective screen operation device isolation apparatus of claim 1, wherein: the flexible shielding layer is sprayed with warning slogans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091736.7A CN109921323B (en) | 2019-01-30 | 2019-01-30 | Isolation device for operation equipment of protection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091736.7A CN109921323B (en) | 2019-01-30 | 2019-01-30 | Isolation device for operation equipment of protection screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109921323A CN109921323A (en) | 2019-06-21 |
| CN109921323B true CN109921323B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091736.7A Active CN109921323B (en) | 2019-01-30 | 2019-01-30 | Isolation device for operation equipment of protection screen |
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| Country | Link |
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| CN (1) | CN109921323B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113275152B (en) * | 2021-04-12 | 2022-09-13 | 中建新疆建工（集团）有限公司 | Paint spraying mold and method for building baffle |
| CN115500035A (en) * | 2022-09-22 | 2022-12-20 | 贵州电网有限责任公司 | Computer cabinet with safety measure device |
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| CN203631097U (en) * | 2013-12-02 | 2014-06-04 | 国家电网公司 | Safe protection device of transformer substation relay protection screen cabinet |
| KR101557722B1 (en) * | 2015-03-23 | 2015-10-06 | 주식회사 서원이에프씨 | Panel structure assembly of power facilities for substation |
| CN205753125U (en) * | 2016-06-08 | 2016-11-30 | 国网江苏省电力公司镇江供电公司 | Separate type cloth curtain |
| CN205960437U (en) * | 2016-06-15 | 2017-02-15 | 国网福建省电力有限公司 | Insulation protection device suitable for cabinet is shielded to relay protection |
| CN206004136U (en) * | 2016-08-31 | 2017-03-08 | 国家电网公司 | A kind of protective relaying device mistaken collision preventing division board |
| CN108539638A (en) * | 2018-03-30 | 2018-09-14 | 国网天津市电力公司 | A kind of prefabricated peace for ultra-high voltage transformer station second protection screen arranges device |
| CN108773705A (en) * | 2018-06-22 | 2018-11-09 | 安徽商贸职业技术学院 | A kind of packing box of life bag |
-
2019
- 2019-01-30 CN CN201910091736.7A patent/CN109921323B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101272306B1 (en) * | 2012-02-22 | 2013-06-10 | 기현정공 주식회사 | Withdrawable device of vacuum circuit breaker |
| CN203631097U (en) * | 2013-12-02 | 2014-06-04 | 国家电网公司 | Safe protection device of transformer substation relay protection screen cabinet |
| KR101557722B1 (en) * | 2015-03-23 | 2015-10-06 | 주식회사 서원이에프씨 | Panel structure assembly of power facilities for substation |
| CN205753125U (en) * | 2016-06-08 | 2016-11-30 | 国网江苏省电力公司镇江供电公司 | Separate type cloth curtain |
| CN205960437U (en) * | 2016-06-15 | 2017-02-15 | 国网福建省电力有限公司 | Insulation protection device suitable for cabinet is shielded to relay protection |
| CN206004136U (en) * | 2016-08-31 | 2017-03-08 | 国家电网公司 | A kind of protective relaying device mistaken collision preventing division board |
| CN108539638A (en) * | 2018-03-30 | 2018-09-14 | 国网天津市电力公司 | A kind of prefabricated peace for ultra-high voltage transformer station second protection screen arranges device |
| CN108773705A (en) * | 2018-06-22 | 2018-11-09 | 安徽商贸职业技术学院 | A kind of packing box of life bag |
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| CN109921323A (en) | 2019-06-21 |
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