CN220155304U - Insulating device of dry-type high-voltage bushing - Google Patents
Insulating device of dry-type high-voltage bushing Download PDFInfo
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- CN220155304U CN220155304U CN202321157488.XU CN202321157488U CN220155304U CN 220155304 U CN220155304 U CN 220155304U CN 202321157488 U CN202321157488 U CN 202321157488U CN 220155304 U CN220155304 U CN 220155304U
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- dry
- conducting rod
- voltage bushing
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- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 239000000017 hydrogel Substances 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an insulating device of a dry high-voltage bushing, which belongs to the field of dry high-voltage bushings and comprises a conducting rod, a dry high-voltage bushing, a sealing mechanism, an expansion clamping mechanism and a mounting mechanism, wherein the dry high-voltage bushing is fixedly mounted outside the conducting rod, the sealing mechanism is positioned between the conducting rod and the dry high-voltage bushing, the expansion clamping mechanism is positioned at the outer end of the conducting rod, the mounting mechanism is positioned at the outer end of the dry high-voltage bushing, the sealing head can achieve the primary waterproof sealing effect on the dry high-voltage bushing and the connection exposed part of the conducting rod, after the sealing head is damaged, when meeting water, the hydrogel inside the sealing head is expanded by rainwater, so that a gap between the conducting rod and the dry high-voltage bushing can be filled more tightly, the sealing performance between the dry high-voltage bushing and the conducting rod is improved, and the rainwater is prevented from entering the inside of the dry high-voltage bushing.
Description
Technical Field
The utility model relates to the field of dry type insulating high-voltage bushings, in particular to an insulating device of a dry type high-voltage bushing.
Background
High voltage bushings are very important devices in electrical power systems for one or several conductors to pass through a partition, insulating and supporting.
Chinese patent grant bulletin number: CN218886909U provides an insulating device for a dry high-voltage bushing, this scheme can slide in insulating bushing's inside through the sealing rod through the fixture block, therefore make movable joint between fixture block and the draw-in groove, and make the fixture block break away from inside of draw-in groove easily under the circumstances of atress, therefore when conducting rod or insulating bushing produce the damage, can make quick dismantlement between the two, consequently can carry out independent change to it according to the difference of damaging the part, can carry out quick installation to it simultaneously after changing, consequently reduce the replacement cost, improve maintenance efficiency simultaneously, but the junction leakproofness of dry high-voltage bushing in this scheme and conducting rod after being connected, once the junction of dry high-voltage bushing and conducting rod produces the space, external rivers such as rainwater are very likely to enter into dry high-voltage bushing from the space, thereby can influence the insulating property of conducting rod, can cause the incident, and generally rely on the rubber circle to seal between high-voltage bushing and the conducting rod alone, it is difficult to gather in a large amount of water and be difficult to seal with the conducting rod junction of high-voltage, the high-voltage water current is difficult to gather in the junction of high-voltage bushing to the dry high-voltage bushing easily.
Accordingly, an insulating device for a dry high voltage bushing is proposed to address the above-described problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide the insulating device of the dry high-voltage bushing, which can realize that a sealing head can play a primary waterproof sealing role on the connection exposed part of the dry high-voltage bushing and a conducting rod, and after the sealing head is damaged, hydrogel in the sealing head is expanded by rainwater when meeting water, so that gaps between the conducting rod and the dry high-voltage bushing can be filled more densely, the tightness between the dry high-voltage bushing and the conducting rod is improved, and the rainwater is prevented from entering the dry high-voltage bushing.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a dry-type high-voltage bushing's insulating device, includes conducting rod, dry-type high-voltage insulating bushing, sealing mechanism, inflation clamping mechanism and installation mechanism, dry-type high-voltage insulating bushing fixed mounting is in the outside of conducting rod, sealing mechanism is located between conducting rod and the dry-type high-voltage insulating bushing, inflation clamping mechanism is located the outer end of conducting rod, installation mechanism is located the outer end of dry-type high-voltage insulating bushing, sealing mechanism includes sealing head, waterproof filling layer, sealing head fixed mounting is at dry-type high-voltage insulating bushing's upper and lower both ends, sealing head and conducting rod fixed connection, waterproof filling layer fixed mounting is in the inside of sealing head, waterproof filling layer runs through dry-type high-voltage insulating bushing, waterproof filling layer is located between dry-type high-voltage insulating tube and the conducting rod.
Further, the sealing mechanism further comprises filling protrusions and diversion fiber bundles, the filling protrusions are fixedly arranged at the outer end of the waterproof filling layer, the filling protrusions are distributed at equal intervals, and the diversion fiber bundles are fixedly arranged in the waterproof filling layer.
Further, the expansion clamping mechanism comprises a positioning sleeve and a clamping groove, wherein the positioning sleeve is fixedly arranged at the outer end of the conducting rod, and the positioning sleeve is distributed in an up-down symmetrical mode.
Further, the clamping grooves are fixedly formed in the outer end of the positioning sleeve, and the clamping grooves are distributed at equal intervals.
Further, the installation mechanism comprises a fixed block and a fixed screw hole, and the fixed block is fixedly installed at the outer end of the dry-type high-voltage insulating sleeve.
Further, the fixing screw holes are fixedly arranged at the upper end of the fixing block, and the fixing screw holes are symmetrically distributed.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) This scheme is through setting up sealing head and waterproof filling layer, and the sealing head can play preliminary waterproof sealing effect to the junction exposure of dry-type high voltage insulation sleeve and conducting rod, and when the sealed hair is damaged the back, when meeting water, the inside hydrogel inflation of sealing head is made to the rainwater to can pack the gap between conducting rod and the dry-type high voltage insulation sleeve more closely knit, improved the leakproofness between dry-type high voltage insulation sleeve and the conducting rod, prevent that the rainwater from entering into inside the dry-type high voltage insulation sleeve.
(2) According to the scheme, the extra moisture can be guided by arranging the guide fiber bundles, the moisture enters the hydrogel in the middle and the filling protrusions, the filling protrusions expand rapidly after meeting the water, the filling protrusions are clamped with the clamping grooves, the contact between the positioning sleeve and the hydrogel is increased, and therefore the tightness between the dry-type high-voltage insulating sleeve and the conductive rod can be further improved.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is a schematic diagram of the structure of fig. 2B according to the present utility model.
The reference numerals in the figures illustrate:
1. a conductive rod; 2. dry high voltage insulating sleeve; 3. a sealing mechanism; 301. a sealing head; 302. a waterproof filling layer; 303. filling the protrusions; 304. a deflector fiber bundle; 4. an expansion engagement mechanism; 401. a positioning sleeve; 402. a clamping groove; 5. a mounting mechanism; 501. a fixed block; 502. fixing screw holes.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1-4, an insulation device for a dry high voltage bushing comprises a conductive rod 1, a dry high voltage bushing 2, a sealing mechanism 3, an expansion clamping mechanism 4 and an installation mechanism 5, wherein the dry high voltage bushing 2 is fixedly installed outside the conductive rod 1, the sealing mechanism 3 is positioned between the conductive rod 1 and the dry high voltage bushing 2, the expansion clamping mechanism 4 is positioned at the outer end of the conductive rod 1, the installation mechanism 5 is positioned at the outer end of the dry high voltage bushing 2, the sealing mechanism 3 comprises a sealing head 301 and a waterproof filling layer 302, the sealing head 301 is fixedly installed at the upper end and the lower end of the dry high voltage bushing 2, the sealing head 301 is fixedly connected with the conductive rod 1, the waterproof filling layer 302 is fixedly installed inside the sealing head 301, the waterproof filling layer 302 penetrates through the dry high voltage bushing 2, the waterproof filling layer 302 is positioned between the dry high voltage bushing and the conductive rod 1, the waterproof filling layer 302 is made of hydrogel materials, the volume of the waterproof filling layer 302 can be quickly swelled after water is met, the hydrogel can keep a large amount of water in a swelled state and can not be dissolved, the inner side of the sealing head 301, which is tightly attached to the conducting rod 1, is made of insulating rubber materials, the waterproof filling layer is insulated, has larger friction force and is not easy to loosen, the outer layer of the sealing head 301 is made of insulating plastic and other materials, the waterproof filling layer has certain toughness and strength and is not easy to damage, the sealing head 301 can play a primary waterproof sealing role on the dry high-voltage insulating sleeve 2 and the connection exposed part of the conducting rod 1, after the sealing head 301 is damaged under the corrosion actions of electric corrosion, chemical corrosion and the like, once the dry high-voltage insulating sleeve 2 and the conducting rod 1 are loosened, or gaps are generated, the rainwater easily enters into the junction of the conducting rod 1 and the dry high-voltage insulating sleeve 2, and the waterproof filling layer 302 made of hydrogel is arranged, when meeting water, the rainwater firstly contacts with the hydrogel in the sealing head 301 to expand the hydrogel, so that gaps between the conducting rod 1 and the dry high-voltage insulating sleeve 2 can be filled more densely, the tightness between the dry high-voltage insulating sleeve 2 and the conducting rod 1 is improved, and the rainwater is prevented from entering into the dry high-voltage insulating sleeve 2.
Referring to fig. 1-4, the sealing mechanism 3 further includes a filling protrusion 303 and a diversion fiber bundle 304, the filling protrusion 303 is fixedly mounted at the outer end of the waterproof filling layer 302, the filling protrusion 303 is equidistantly arranged, the diversion fiber bundle 304 is fixedly arranged in the waterproof filling layer 302, the diversion fiber bundle 304 is made of diversion glass fiber bundles, redundant moisture can be diverted, so that the moisture cannot be accumulated in hydrogel in the sealing head 301 all the time, the moisture can enter the hydrogel in the middle and the filling protrusion 303 along the diversion fiber bundle 304, the filling protrusion 303 is made of hydrogel, so that the filling protrusion 303 can expand rapidly after meeting water, the filling protrusion 303 is clamped with the clamping groove 402, contact between the positioning sleeve 401 and the hydrogel is increased, and sealing performance between the dry high-voltage insulating sleeve 2 and the conductive rod 1 can be further improved.
Referring to fig. 1-4, the expansion clamping mechanism 4 comprises a positioning sleeve 401 and a clamping groove 402, the positioning sleeve 401 is fixedly arranged at the outer end of the conductive rod 1, the positioning sleeve 401 is distributed symmetrically up and down, and the positioning sleeve 401 and the clamping groove 402 are arranged in the scheme, so that hydrogel is convenient to clamp with the clamping groove 402 after meeting water, and the hydrogel is not easy to loosen.
Referring to fig. 1-4, the locking groove 402 is fixedly arranged at the outer end of the positioning sleeve 401, and the locking grooves 402 are equidistantly arranged, so that the locking groove 402 is just matched with the filling protrusion 303 after expanding when meeting water, and is convenient to be locked with the filling protrusion 303.
Referring to fig. 1-4, the installation mechanism 5 includes a fixing block 501 and a fixing screw hole 502, the fixing block 501 is fixedly installed at the outer end of the dry high-voltage insulation sleeve 2, and the installation mechanism 5 is arranged in the scheme, so that the fixing block 501 is convenient for positioning and installing the device with other electric power facilities.
Referring to fig. 1-4, fixing screw holes 502 are fixedly arranged at the upper end of a fixing block 501, and the fixing screw holes 502 are symmetrically distributed.
Working principle: the sealing head 301 can play a primary waterproof sealing role on the connection exposed part of the dry high-voltage insulating sleeve 2 and the conducting rod 1, after the sealing head 301 is damaged, rainwater firstly contacts hydrogel in the sealing head 301 when meeting water, so that the sealing head is expanded, gaps between the conducting rod 1 and the dry high-voltage insulating sleeve 2 can be filled more densely, the flow guide fiber bundles 304 guide redundant moisture, the moisture enters the hydrogel in the middle and the filling bulges 303 along the flow guide fiber bundles 304, the filling bulges 303 expand rapidly after meeting water, the filling bulges 303 are clamped with the clamping grooves 402, contact between the positioning sleeve 401 and the hydrogel is increased, and accordingly sealing performance between the dry high-voltage insulating sleeve 2 and the conducting rod 1 can be further improved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a dry-type high voltage bushing's insulating device, includes conducting rod (1), dry-type high voltage bushing (2), sealing mechanism (3), inflation clamping mechanism (4) and installation mechanism (5), its characterized in that: the dry type high-voltage insulating sleeve (2) is fixedly mounted on the outside of the conducting rod (1), the sealing mechanism (3) is located between the conducting rod (1) and the dry type high-voltage insulating sleeve (2), the expansion clamping mechanism (4) is located at the outer end of the conducting rod (1), the mounting mechanism (5) is located at the outer end of the dry type high-voltage insulating sleeve (2), the sealing mechanism (3) comprises a sealing head (301) and a waterproof filling layer (302), the sealing head (301) is fixedly mounted at the upper end and the lower end of the dry type high-voltage insulating sleeve (2), the sealing head (301) is fixedly connected with the conducting rod (1), the waterproof filling layer (302) is fixedly mounted inside the sealing head (301), the waterproof filling layer (302) penetrates through the dry type high-voltage insulating sleeve (2), and the waterproof filling layer (302) is located between the dry type high-voltage insulating sleeve and the conducting rod (1).
2. An insulation device for a dry high voltage bushing according to claim 1, wherein: the sealing mechanism (3) further comprises filling bulges (303) and diversion fiber bundles (304), the filling bulges (303) are fixedly arranged at the outer end of the waterproof filling layer (302), the filling bulges (303) are distributed at equal intervals, and the diversion fiber bundles (304) are fixedly arranged in the waterproof filling layer (302).
3. An insulation device for a dry high voltage bushing according to claim 1, wherein: the expansion clamping mechanism (4) comprises a positioning sleeve (401) and a clamping groove (402), wherein the positioning sleeve (401) is fixedly arranged at the outer end of the conducting rod (1), and the positioning sleeve (401) is distributed symmetrically up and down.
4. A dry high voltage bushing insulation arrangement according to claim 3, characterized in that: the clamping grooves (402) are fixedly formed in the outer end of the positioning sleeve (401), and the clamping grooves (402) are distributed at equal intervals.
5. An insulation device for a dry high voltage bushing according to claim 1, wherein: the mounting mechanism (5) comprises a fixed block (501) and a fixed screw hole (502), and the fixed block (501) is fixedly mounted at the outer end of the dry-type high-voltage insulating sleeve (2).
6. An insulation device for a dry high voltage bushing according to claim 5, wherein: the fixing screw holes (502) are fixedly arranged at the upper end of the fixing block (501), and the fixing screw holes (502) are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157488.XU CN220155304U (en) | 2023-05-15 | 2023-05-15 | Insulating device of dry-type high-voltage bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157488.XU CN220155304U (en) | 2023-05-15 | 2023-05-15 | Insulating device of dry-type high-voltage bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155304U true CN220155304U (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321157488.XU Active CN220155304U (en) | 2023-05-15 | 2023-05-15 | Insulating device of dry-type high-voltage bushing |
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| CN (1) | CN220155304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117649986A (en) * | 2024-01-29 | 2024-03-05 | 搏世因（北京）高压电气有限公司 | Dry-type capacitive bushing insulation structure and manufacturing method thereof |
-
2023
- 2023-05-15 CN CN202321157488.XU patent/CN220155304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117649986A (en) * | 2024-01-29 | 2024-03-05 | 搏世因（北京）高压电气有限公司 | Dry-type capacitive bushing insulation structure and manufacturing method thereof |
| CN117649986B (en) * | 2024-01-29 | 2024-04-16 | 搏世因（北京）高压电气有限公司 | Dry-type capacitive bushing insulation structure and manufacturing method thereof |
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