CN103985485A - High-tension porcelain insulator applied to power field - Google Patents
High-tension porcelain insulator applied to power field Download PDFInfo
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- CN103985485A CN103985485A CN201410192773.4A CN201410192773A CN103985485A CN 103985485 A CN103985485 A CN 103985485A CN 201410192773 A CN201410192773 A CN 201410192773A CN 103985485 A CN103985485 A CN 103985485A
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- porcelain insulator
- cone
- porcelain
- vase body
- sealing
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Abstract
The invention discloses a high-tension porcelain insulator applied to a power field. The high-tension porcelain insulator mainly comprises an insulating bush, an upper porcelain insulator body part and a lower porcelain insulator body part. The upper porcelain insulator body part comprises insulating umbrella skirts, epoxy sleeves and metal stress cones; the lower porcelain insulator body part comprises sealing porcelain insulator bodies and bolt parts; each metal stress cone is arranged at one end of the corresponding insulating bush in a sleeved mode, each epoxy sleeve is arranged on the corresponding metal stress cone in a sleeved mode, each insulating umbrella skirt is arranged outside the corresponding epoxy sleeve in a sleeved mode, and each sealing porcelain insulator body is arranged at the other end of the insulating bush in a sleeved mode and fixed to the corresponding metal stress cone through the bolt parts. The high-tension porcelain insulator further comprises fixing plates I and fixing plates II, the fixing plates I are integrally arranged on the metal stress cores, the fixing plates II are integrally arranged on the sealing porcelain insulator bodies, and the fixing plates I and the fixing plates II are fixed through bolts. The total weight of the whole structure can be reduced in the mode that the sealing porcelain insulator bodies are fixed through the metal stress cones, and work intensity of staff is also relieved. The whole structure has the advantages of being reasonable in design, scientific, practical, convenient to install and the like.
Description
Technical field
The present invention relates to power technology field, specifically, is a kind of high-tension porcelain insulator that is applied to power domain.
Background technology
In electric power elevated line, power line is to conventionally installing a full skirt shape insulating joint between overhead cross-arm additional, power line is stablized electric field between overhead place power line in order to avoid the electric field that gets muddled by running through insulating joint, affect whole electric power transfer, existing insulating joint inside is owing to being only provided with plastic cement stress cone, under high electric field and thermal field effect, the aging meeting of plastic cement stress cone causes the variation (relaxing) of interfacial pressure, thereby reduction electrical strength, simultaneously, the porcelain vase body split connection of existing structure all adopts porcelain vase body porcelain material connected mode, connect for stable, the porcelain vase body casting out will seem very heavy, increase cross-arm has also increased the working strength of installation personnel stressed time.
Summary of the invention
The object of the present invention is to provide a kind of high-tension porcelain insulator that is applied to power domain, overcome the deficiencies in the prior art, the stress cone that utilizes the high temperature that can not produce because of high-voltage transmission to change the metal of shape and to make, keep between metal stresses cone and cable the stress on interface constant, be aided with and tackle under high electric field and thermal field effect, the variation (relaxing) of the interfacial pressure that may cause after rubber stress cone is aging, thereby stablize the electrical strength of this node transmission line, the mode of simultaneously utilizing metal stresses cone to fix sealing porcelain vase body replaces the connected mode of porcelain material and porcelain material to alleviate the weight of total, also alleviate staff's working strength, total has reasonable in design, science practicality, the feature such as easy for installation.
The present invention is achieved through the following technical solutions: a kind of high-tension porcelain insulator that is applied to power domain, mainly formed by insulating sleeve, porcelain vase body top and porcelain vase body bottom, described porcelain vase body top comprises insulation full skirt, epoxy cover, metal stresses cone, described porcelain vase body bottom comprises sealing porcelain vase body, bolt part, described metal stresses tapered sleeve is located at insulating sleeve one end, described epoxy cover is set on metal stresses cone, it is outside that described insulation full skirt is set in epoxy cover, and described sealing porcelain vase body is set in the insulating sleeve other end and is fixed on metal stresses cone by bolt part; Also comprise and be wholely set the fixed plate I on metal stresses cone and be wholely set the fixed plates II on sealing porcelain vase body, described fixed plate I and fixed plates II are bolted.
In the time arranging, to be set in the made epoxy cover of epoxy plastic cement on metal stresses cone, the epoxy cover that insulation full skirt is set in to metal stresses cone top is outside, and by bolt part, sealing porcelain vase body is fixed on to metal stresses cone bottom, and utilize the fixed plates II that is wholely set the fixed plate I on metal stresses cone and be wholely set on sealing porcelain vase body to carry out further fastening porcelain vase body top and porcelain vase body bottom, metal stresses cone is all set on insulating sleeve with sealing porcelain vase body, in use, power cable is through insulating sleeve, after be fixed on overhead cross-arm, bolt part also utilizes wire to carry out ground connection simultaneously, thereby can be because of not charged and affect whole porcelain vase bulk electric field and affect the object of circuit electrical communications to reach metal stresses cone.Because power circuit under high pressure can generate heat, after long-term use, plastic cement stress cone will change, thereby plastic cement stress cone affects electrical strength with the pressure change between power cable, but owing to adopting on-deformable metal stresses cone, can keep between metal stresses cone and cable the stress on interface constant, be aided with and tackle under high electric field and thermal field effect, the variation (relaxing) of the interfacial pressure that may cause after rubber stress cone is aging, thereby stablize the electrical strength of this node transmission line, the mode of simultaneously utilizing metal stresses cone to fix sealing porcelain vase body replaces the connected mode of porcelain material and porcelain material to alleviate the weight of total, also alleviate the working strength of installation personnel, total has reasonable in design, science practicality, the feature such as easy for installation.
To better implement the present invention, described metal stresses cone adopts aluminium alloy stress cone.Adopt aluminium alloy stress cone to there is the advantage that still ensures mechanical strength in the situation that alleviating total weight.
To better implement the present invention, described insulation full skirt adopts alumina porcelain.The insulation full skirt that alumina porcelain is made have the insulation full skirt mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
To better implement the present invention, described sealing porcelain vase body adopts alumina porcelain.The sealing porcelain vase body that alumina porcelain is made have the sealing porcelain vase body mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention overcomes the deficiencies in the prior art, utilize the metal stress cone that can not produce because of high-voltage transmission high temperature deformation, keep between metal stresses cone and cable the stress on interface constant, be aided with and tackle under high electric field and thermal field effect, the variation (relaxing) of the interfacial pressure that may cause after rubber stress cone is aging, thereby stablize the electrical strength of this node transmission line, the mode of simultaneously utilizing metal stresses cone to fix sealing porcelain vase body replaces the connected mode of porcelain material and porcelain material to alleviate the weight of total, also alleviate staff's working strength, total has reasonable in design, science practicality, the feature such as easy for installation.
(2) the present invention utilizes bolt by the object that is wholely set the porcelain vase body by split setting that fixed plate I on metal stresses cone and fixed plates II being arranged on sealing porcelain vase body be fixed to reach more firm and is fixed.
(3) the sealing porcelain vase body that the present invention adopts alumina porcelain to make have the sealing porcelain vase body mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
(4) the insulation full skirt that the present invention adopts alumina porcelain to make have the insulation full skirt mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
(5) the present invention adopts aluminium alloy stress cone to have the advantage that still ensures mechanical strength in the situation that alleviating total weight.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Wherein: 1-insulation full skirt, 2-insulating sleeve, 3-epoxy cover, 4-metal stresses cone, 5-fixed plate I, 6-fixed plates II, 7-bolt, 8-bolt part, 9-sealing porcelain vase body.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment:
The present invention proposes a kind of high-tension porcelain insulator that is applied to power domain, as shown in Figure 1, mainly by insulating sleeve 2, porcelain vase body top and porcelain vase body bottom composition, described porcelain vase body top comprises insulation full skirt 1, epoxy cover 3, metal stresses cone 4, described porcelain vase body bottom comprises sealing porcelain vase body 8, bolt part 9, described metal stresses cone 4 is set in insulating sleeve 2 one end, described epoxy cover 3 is set on metal stresses cone 4, described insulation full skirt 1 is set in epoxy and overlaps 3 outsides, described sealing porcelain vase body 8 is set in insulating sleeve 2 other ends and is fixed on metal stresses cone 4 by bolt part 9, also comprise and be wholely set the fixed plate I 5 on metal stresses cone 4 and be wholely set the fixed plates II 6 on sealing porcelain vase body 8, described fixed plate I 5 and fixed plates II 6 are fixing by bolt 7.
In the time arranging, to be set in the made epoxy cover of epoxy plastic cement on metal stresses cone, the epoxy cover that insulation full skirt is set in to metal stresses cone top is outside, and by bolt part, sealing porcelain vase body is fixed on to metal stresses cone bottom, and utilize the fixed plates II that is wholely set the fixed plate I on metal stresses cone and be wholely set on sealing porcelain vase body to carry out further fastening porcelain vase body top and porcelain vase body bottom, metal stresses cone is all set on insulating sleeve with sealing porcelain vase body, in use, power cable is through insulating sleeve, after be fixed on overhead cross-arm, bolt part also utilizes wire to carry out ground connection simultaneously, thereby can be because of not charged and affect whole porcelain vase bulk electric field and affect the object of circuit electrical communications to reach metal stresses cone.Because power circuit under high pressure can generate heat, after long-term use, plastic cement stress cone will change, thereby plastic cement stress cone affects electrical strength with the pressure change between power cable, but owing to adopting on-deformable metal stresses cone, can keep between metal stresses cone and cable the stress on interface constant, be aided with and tackle under high electric field and thermal field effect, the variation (relaxing) of the interfacial pressure that may cause after rubber stress cone is aging, thereby stablize the electrical strength of this node transmission line, the mode of simultaneously utilizing metal stresses cone to fix sealing porcelain vase body replaces the connected mode of porcelain material and porcelain material to alleviate the weight of total, also alleviate the working strength of installation personnel, total has reasonable in design, science practicality, the feature such as easy for installation.
To better implement the present invention, described metal stresses cone 4 adopts aluminium alloy stress cone.Adopt aluminium alloy stress cone to there is the advantage that still ensures mechanical strength in the situation that alleviating total weight.
To better implement the present invention, described insulation full skirt 1 adopts alumina porcelain.The insulation full skirt that alumina porcelain is made have the insulation full skirt mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
To better implement the present invention, described sealing porcelain vase body 8 adopts alumina porcelain.The sealing porcelain vase body that alumina porcelain is made have the sealing porcelain vase body mechanical strength of making than quartzy porcelain high 2 ~ 3 times and thermal stability strong, the electric arc feature that danger reduces of being heated.
The present invention overcomes the deficiencies in the prior art, the stress cone that utilizes the high temperature that can not produce because of high-voltage transmission to change the metal of shape and to make, keep between metal stresses cone and cable the stress on interface constant, be aided with and tackle under high electric field and thermal field effect, the variation (relaxing) of the interfacial pressure that may cause after rubber stress cone is aging, thereby stablize the electrical strength of this node transmission line, the mode of simultaneously utilizing metal stresses cone to fix sealing porcelain vase body replaces the connected mode of porcelain material and porcelain material to alleviate the weight of total, also alleviate staff's working strength, total has reasonable in design, science practicality, the feature such as easy for installation.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (4)
1. one kind is applied to the high-tension porcelain insulator of power domain, it is characterized in that: mainly by insulating sleeve (2), porcelain vase body top and porcelain vase body bottom composition, described porcelain vase body top comprises insulation full skirt (1), epoxy cover (3), metal stresses cone (4), described porcelain vase body bottom comprises sealing porcelain vase body (8), bolt part (9), described metal stresses cone (4) is set in insulating sleeve (2) one end, described epoxy cover (3) is set on metal stresses cone (4), described insulation full skirt (1) is set in epoxy cover (3) outside, described sealing porcelain vase body (8) is set in insulating sleeve (2) other end and is fixed on metal stresses cone (4) by bolt part (9), also comprise and be wholely set the fixed plate I (5) on metal stresses cone (4) and be wholely set the fixed plates II (6) on sealing porcelain vase body (8), described fixed plate I (5) and fixed plates II (6) are fixing by bolt (7).
2. a kind of high-tension porcelain insulator that is applied to power domain according to claim 1, is characterized in that: described metal stresses cone (4) adopts aluminium alloy stress cone.
3. a kind of high-tension porcelain insulator that is applied to power domain according to claim 1, is characterized in that: described insulation full skirt (1) adopts alumina porcelain.
4. a kind of high-tension porcelain insulator that is applied to power domain according to claim 1, is characterized in that: described sealing porcelain vase body (8) adopts alumina porcelain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192773.4A CN103985485B (en) | 2014-05-08 | 2014-05-08 | High-tension porcelain insulator applied to power field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192773.4A CN103985485B (en) | 2014-05-08 | 2014-05-08 | High-tension porcelain insulator applied to power field |
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| Publication Number | Publication Date |
|---|---|
| CN103985485A true CN103985485A (en) | 2014-08-13 |
| CN103985485B CN103985485B (en) | 2017-02-08 |
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| CN201410192773.4A Active CN103985485B (en) | 2014-05-08 | 2014-05-08 | High-tension porcelain insulator applied to power field |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311091Y (en) * | 1997-10-01 | 1999-03-17 | 陆阿林 | Cable terminal box |
| CN101609102A (en) * | 2009-07-13 | 2009-12-23 | 上海三原电缆附件有限公司 | Mesolow crosslinked cable industrial frequency withstand voltage, local discharge test terminal structure |
| JP2013005500A (en) * | 2011-06-13 | 2013-01-07 | J-Power Systems Corp | Terminal connection for dc cable |
| CN203882736U (en) * | 2014-05-08 | 2014-10-15 | 国家电网公司 | High voltage porcelain vase applied to electric power field |
-
2014
- 2014-05-08 CN CN201410192773.4A patent/CN103985485B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311091Y (en) * | 1997-10-01 | 1999-03-17 | 陆阿林 | Cable terminal box |
| CN101609102A (en) * | 2009-07-13 | 2009-12-23 | 上海三原电缆附件有限公司 | Mesolow crosslinked cable industrial frequency withstand voltage, local discharge test terminal structure |
| JP2013005500A (en) * | 2011-06-13 | 2013-01-07 | J-Power Systems Corp | Terminal connection for dc cable |
| CN203882736U (en) * | 2014-05-08 | 2014-10-15 | 国家电网公司 | High voltage porcelain vase applied to electric power field |
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| Publication number | Publication date |
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| CN103985485B (en) | 2017-02-08 |
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