CN112505363A - High-voltage insulating support - Google Patents
High-voltage insulating support Download PDFInfo
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- CN112505363A CN112505363A CN202011216053.9A CN202011216053A CN112505363A CN 112505363 A CN112505363 A CN 112505363A CN 202011216053 A CN202011216053 A CN 202011216053A CN 112505363 A CN112505363 A CN 112505363A
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- hole
- supporting
- insulating support
- voltage insulating
- annular sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a high-voltage insulating support, which comprises a retractable base and an adjustable insulating telescopic rod, wherein the retractable base is arranged on the base; the adjustable insulating telescopic rod comprises a first supporting section and a second supporting section, and the first supporting section is provided with a first through hole; the second support section is sleeved on the first support section based on the first through hole; the second supporting section is provided with a high-voltage insulating wire hanging bracket; the bottom setting of first support section is in on the collapsible base, collapsible base is provided with and is used for supporting fixed strutting arrangement. The angle, the expansion, the folding, the translation and the like of the adjustable insulating telescopic rod are adjusted, so that the turning of the lead is realized in different complex test site environments, the safety and the reliability of one-time wiring during site inspection of the voltage transformer are ensured, and the working efficiency can be improved; through setting up collapsible base, be favorable to holding device's stability and be difficult for tumbleing.
Description
Technical Field
The invention relates to the field of electrical science experimental equipment, in particular to a high-voltage insulating support.
Background
When the high-voltage transformer is used for high-voltage tests such as error and withstand voltage, a booster is needed to apply test voltage to the transformer once through a wire. The safety distance is considered between the test devices under the high-voltage or ultrahigh-voltage test environment, so that the primary lead distance is longer. According to the requirements of the on-site inspection operation instruction of the voltage transformer of a company, when the 220kV and 500kV voltage transformers are used for on-site inspection, 2 conditions are required to be met: the insulation distance of the primary lead to the surrounding objects should be larger than 1.2 meters and 1.5 meters respectively, and meanwhile, the included angle between the primary side test lead and the tested CVT is required to be larger than 45 degrees. When there are many obstacles in the passageway between etalon and the CVT of being tested, above-mentioned condition is difficult for realizing, and traditional solution is, once the wire is through 2 ~ 3 diversion round obstacles, namely through adopting certain diversion point of insulating tape (or insulating rope) one end winding wire once, twine the other end again on near object, realizes the diversion, and the wiring process consumes time partially long. And because the field test field environment is complicated, strong wind is unusual, no special support exists, the dangerous factors such as one-time wire falling, insufficient distance and earth discharge may exist in the test process, and certain operation safety risk may exist.
Disclosure of Invention
Aiming at the defects of the prior art, the high-voltage insulating support is arranged, and the adjustable insulating telescopic rod is adjusted in angle, telescopic, foldable, translational and the like, so that the requirement of realizing the diversion of the lead in different complex test field environments is met, the safety and reliability of one-time wiring during the field test of the voltage transformer are ensured, and the working efficiency is improved; through setting up collapsible base, be favorable to holding device's stability and be difficult for tumbleing, improve the operation security.
In order to achieve the purpose, the invention provides a high-voltage insulating support, which comprises a retractable base and an adjustable insulating telescopic rod;
the adjustable insulating telescopic rod comprises a first supporting section and a second supporting section, and the first supporting section is provided with a first through hole; the second support section is sleeved on the first support section based on the first through hole; the second supporting section is provided with a high-voltage insulating wire hanging bracket;
the bottom setting of first support section is in on the collapsible base, collapsible base is provided with and is used for supporting fixed strutting arrangement.
As a preferable technical scheme of the invention, a fixed round sleeve is arranged at the top end of the first supporting section, and a plastic handle fastening screw is arranged on the fixed round sleeve.
As a preferred technical scheme of the invention, a second through hole and a third through hole are arranged at a position 5cm away from the insulating support rod, and an included angle between the second through hole and the third through hole is 90 degrees;
and a fourth through hole and a fifth through hole are arranged at a position 15cm away from the insulating support rod, and an included angle between the fourth through hole and the fifth through hole is 90 degrees.
As a preferred technical scheme of the invention, the supporting device comprises a main body, a first annular sleeve, a second annular sleeve, a plurality of supporting legs and a plurality of connecting rods;
the first annular sleeve and the second annular sleeve are respectively arranged at the main body, and the first annular sleeve is arranged above the second annular sleeve; the head end of each supporting leg is hinged to the first annular sleeve; the head end of each connecting rod is connected to the second annular sleeve, and the tail end of each connecting rod is arranged on the corresponding supporting leg.
As a preferred technical solution of the present invention, a weight block for lowering the center of gravity of the high voltage insulating support is disposed at the bottom end of the supporting device.
As a preferable technical scheme of the invention, a first groove and a sixth through hole are formed in the middle of the supporting leg, the tail end of the connecting rod is arranged at the first groove, and the connecting rod and the supporting leg penetrate through the sixth through hole based on a bolt to be connected and fixed with the connecting rod.
As a preferable technical scheme of the invention, the side surface of the supporting leg is provided with a second groove, and the size of the second groove is matched with that of the connecting rod.
As a preferable technical scheme of the invention, the adjustable insulating telescopic rod is made of epoxy resin.
As a preferred technical solution of the present invention, the high-voltage insulated wire hanging bracket is provided with a bearing part and a fixing part;
the bearing part is set to be E-shaped, the head end of the fixing part is connected with the bearing part, a seventh through hole is formed in the tail end of the fixing part, and the seventh through hole is identical to the second through hole in corresponding size with the fourth through hole.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects: the angle, the expansion, the folding, the translation and the like of the adjustable insulating telescopic rod are adjusted, so that the turning of the lead is realized in different complex test site environments, the safety and the reliability of one-time wiring during site inspection of the voltage transformer are ensured, and the working efficiency can be improved; through setting up collapsible base, be favorable to holding device's stability and be difficult for falling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a high voltage insulating support of the present invention;
FIG. 2 is an enlarged partial schematic view of the invention at A;
FIG. 3 is an enlarged partial schematic view of the invention at B;
fig. 4 is a schematic structural diagram of the high-voltage insulated wire hanging bracket of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a high voltage insulating bracket according to the present invention; FIG. 2 is an enlarged partial schematic view of the invention at A; FIG. 3 is an enlarged partial schematic view of the invention at B; fig. 4 is a schematic structural diagram of the high-voltage insulated wire hanging bracket of the invention.
Specifically, the high-voltage insulating support shown in the novel experimental embodiment comprises a retractable base 1 and an adjustable insulating telescopic rod 2; the adjustable insulating telescopic rod 2 comprises a first supporting section 21 and a second supporting section 22, and the first supporting section 21 is provided with a first through hole; the second support section 22 is sleeved on the first support section 21 based on the first through hole; the second supporting section 22 is provided with a high-voltage insulating wire hanging bracket 24; the bottom end of the first supporting section 21 is arranged on the collapsible base 1, and the collapsible base 1 is provided with a supporting device 3 for supporting and fixing. The angle, the expansion, the folding, the translation and the like of the adjustable insulating telescopic rod 2 are adjusted, so that the turning of the lead is realized in different complex test site environments, the safety and the reliability of one-time wiring during the site inspection of the voltage transformer are ensured, and the working efficiency can be improved; through setting up collapsible base 1, be favorable to holding device's stability and be difficult for tumbleing.
Specifically, a second through hole 41 and a third through hole are arranged 5cm away from the insulating support rod, and an included angle between the second through hole 41 and the third through hole is 90 degrees; and a fourth through hole 42 and a fifth through hole are arranged at a position 15cm away from the insulating support rod, and an included angle between the fourth through hole 42 and the fifth through hole is 90 degrees. By providing 90 deg., it is advantageous to change the direction of the wire.
Specifically, the top end of the first support section 21 is provided with a fixed round sleeve 23, and the fixed round sleeve 23 is provided with a plastic handle fastening screw.
Further, the inner lining of the fixed round sleeve 23 is made of rubber, the outer lining of the fixed round sleeve 23 is made of hard plastic, and the size of the radius of the whole fixed round sleeve 23 is controlled based on the twisting of the plastic handle fastening screw. Thereby achieving the fixation of the second support section 22.
Specifically, the supporting device 3 comprises a main body 31, a first annular sleeve 32, a second annular sleeve 33, a plurality of supporting feet 34 and a plurality of connecting rods 35; the first annular sleeve 32 and the second annular sleeve 33 are respectively provided at the main body 31, and the first annular sleeve 32 is provided above the second annular sleeve 33; the head end of each supporting foot 34 is hinged to the first annular sleeve 32; the head end of each connecting rod is connected to the second annular sleeve 33, and the tail end of each connecting rod is arranged on the corresponding supporting foot 34.
Further, the first annular sleeve 32 is fixed at the body 31 by three screws at 120 ° around the side of the body 31 on the same horizontal plane.
Further, the second annular sleeve 33 is provided at the body 31 and can freely slide in the length direction of the body 31, but the movable range of the second annular sleeve 33 is limited to the first annular sleeve 32 and the weight block 11 and can only be between the first annular sleeve 32 and the weight block 11. During the use process, the supporting device 3 can be arranged according to different environments.
Specifically, the bottom end of the retractable base 1 is provided with a balancing weight 11 for lowering the center of gravity of the high-voltage insulating support. The weight 11 is a weight for increasing its own weight to maintain balance. Based on balancing weight 11 sets up in strutting arrangement 3's bottom, because of the position of balancing weight 11 self and balancing weight 11's weight, effectively reduce the holistic focus of device for the device is difficult to receive external factor's influence and emptys at will, is favorable to improving the stability of device.
Further, the weight block 11 is connected with the supporting device 3 by screw threads. The clump weight 11 with different weight or shape can be conveniently replaced by the threaded connection.
Further, 3 materials of strutting arrangement are made for the stainless steel and are formed, and stainless steel matter weight is heavier, is favorable to reducing the whole focus of device, and the weight of cooperation stainless steel and balancing weight further reduces the whole weight of device for being difficult for empting of device. The stainless steel material has good atmospheric corrosion resistance, high tensile strength and elastic limit strength, is low in price and convenient to process, and is beneficial to manufacturing and large-scale use of the device.
Specifically, the middle of the supporting leg 34 is provided with a first groove and a sixth through hole, the tail end of the connecting rod 35 is arranged at the first groove, and the connecting rod 35 and the supporting leg 34 penetrate through the sixth through hole and the connecting rod 35 based on a bolt to be connected and fixed.
Specifically, the side of the supporting leg 34 is provided with a second groove, and the size of the second groove is matched with the size of the connecting rod 35. During the retracting movement of the support foot 34, the support foot 34 can be pressed against the main body 31 without being hindered by the presence of the connecting rod 35 due to the second recess.
Specifically, the adjustable insulating telescopic rod 2 is made of epoxy resin.
Furthermore, the epoxy resin used as an anti-corrosion material not only has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, but also has good manufacturability of strong adhesive force, normal-temperature operation, simple and convenient construction and the like, and is moderate in price, thereby being beneficial to reducing the manufacturing cost.
Furthermore, the epoxy resin has the insulating property, so that the reliability and the safety of an operator or a test are protected.
Specifically, the high-voltage insulated wire hanging bracket 24 is provided with a bearing part 51 and a fixing part 52; the bearing part 51 is in an "E" shape, the head end of the fixing part 52 is connected to the bearing part 51, the tail end of the fixing part 52 is provided with a seventh through hole, and the seventh through hole is consistent with the second through hole 41 and the fourth through hole 42 in corresponding size.
In the first case, when the high-voltage insulating wire hanging bracket 24 is installed, the fixing parts 52 of the two high-voltage insulating wire hanging brackets 24 are inserted into the second through hole and the fourth through hole, and when the high-voltage insulating wire hanging bracket 24 is installed in the third through hole 41 and the fifth through hole 42 through screws, so that the screws respectively penetrate through the fixing parts 52 of the two high-voltage insulating wire hanging brackets 24 to be mechanically fixed with the second annular sleeve 33;
in the second case, when the high voltage insulation wire hanging bracket 24 is installed, the fixing portions 52 of the two high voltage insulation wire hanging brackets 24 are inserted into the third through hole 41 and the fifth through hole 42, and when the high voltage insulation wire hanging bracket 24 is installed, the fixing portions 52 of the two high voltage insulation wire hanging brackets 24 are inserted into the third through hole 41 and the fifth through hole 42 and are installed in the second through hole 41 and the fourth through hole 42 through screws, so that the screws respectively penetrate through the fixing portions 52 of the two high voltage insulation wire hanging brackets 24 to be mechanically fixed with the second annular sleeve 33.
According to the invention, the angle, the expansion, the folding, the translation and the like of the adjustable insulating telescopic rod are adjusted, so that the wire can be turned in different complex test field environments, the safety and the reliability of one-time wiring during the field inspection of the voltage transformer are ensured, and the working efficiency can be improved; through setting up collapsible base, be favorable to holding device's stability and be difficult for tumbleing.
The above detailed description of the high voltage insulating bracket according to the embodiment of the present invention is provided, and the principle and the embodiment of the present invention shall be explained herein by using specific examples, and the above description of the embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A high voltage insulating support characterized in that: the high-voltage insulating support comprises a retractable base and an adjustable insulating telescopic rod;
the adjustable insulating telescopic rod comprises a first supporting section and a second supporting section, and the first supporting section is provided with a first through hole; the second support section is sleeved on the first support section based on the first through hole; the second supporting section is provided with a high-voltage insulating wire hanging bracket;
the bottom setting of first support section is in on the collapsible base, collapsible base is provided with and is used for supporting fixed strutting arrangement.
2. The high voltage insulating support of claim 1, wherein: the top end of the first supporting section is provided with a fixed round sleeve, and the fixed round sleeve is provided with a plastic handle fastening screw rod.
3. The high voltage insulating support of claim 2, wherein: a second through hole and a third through hole are arranged at a position 5cm away from the insulating support rod, and an included angle between the second through hole and the third through hole is 90 degrees;
and a fourth through hole and a fifth through hole are arranged at a position 15cm away from the insulating support rod, and an included angle between the fourth through hole and the fifth through hole is 90 degrees.
4. A high voltage insulating support as claimed in claim 3, wherein: the supporting device comprises a main body, a first annular sleeve, a second annular sleeve, a plurality of supporting legs and a plurality of connecting rods;
the first annular sleeve and the second annular sleeve are respectively arranged at the main body, and the first annular sleeve is arranged above the second annular sleeve; the head end of each supporting leg is hinged to the first annular sleeve; the head end of each connecting rod is connected to the second annular sleeve, and the tail end of each connecting rod is arranged on the corresponding supporting leg.
5. The high voltage insulating support of claim 4, wherein: and a balancing weight used for reducing the gravity center of the high-voltage insulating support is arranged at the bottom end of the supporting device.
6. The high voltage insulating support of claim 5, wherein: the middle part of supporting legs is provided with first recess and sixth through-hole, the terminal setting of connecting rod is in first recess department, connecting rod and supporting legs pass based on the bolt sixth through-hole is connected fixedly with the connecting rod.
7. The high voltage insulating support of claim 6, wherein: and a second groove is formed in the side surface of the supporting leg, and the size of the second groove is matched with that of the connecting rod.
8. The high voltage insulating support of claim 7, wherein: the adjustable insulating telescopic rod is made of epoxy resin.
9. The high voltage insulating support of claim 8, wherein: the high-voltage insulation wire hanging bracket is provided with a bearing part and a fixing part;
the bearing part is set to be E-shaped, the head end of the fixing part is connected with the bearing part, a seventh through hole is formed in the tail end of the fixing part, and the seventh through hole is identical to the second through hole in corresponding size with the fourth through hole.
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CN202011216053.9A CN112505363B (en) | 2020-11-04 | 2020-11-04 | High-voltage insulation support |
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CN202011216053.9A CN112505363B (en) | 2020-11-04 | 2020-11-04 | High-voltage insulation support |
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CN112505363A true CN112505363A (en) | 2021-03-16 |
CN112505363B CN112505363B (en) | 2023-10-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114114128A (en) * | 2021-12-03 | 2022-03-01 | 国网河北省电力有限公司平山县供电分公司 | Experimental termination of capacitive voltage transformer |
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