CN219201683U - Protector for guaranteeing safety of alternating-current withstand voltage test - Google Patents
Protector for guaranteeing safety of alternating-current withstand voltage test Download PDFInfo
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- CN219201683U CN219201683U CN202223361172.0U CN202223361172U CN219201683U CN 219201683 U CN219201683 U CN 219201683U CN 202223361172 U CN202223361172 U CN 202223361172U CN 219201683 U CN219201683 U CN 219201683U
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- telescopic rod
- withstand voltage
- voltage test
- protection device
- side wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model belongs to the technical field of safety protection of withstand voltage tests, and particularly relates to a protection device for guaranteeing safety of an alternating current withstand voltage test. The device comprises a telescopic rod, a connecting sleeve is arranged on the side wall of the telescopic rod, a locking bolt is arranged on the side wall of the connecting sleeve, supporting legs are connected with the side wall of the connecting sleeve in a rotating mode, a fixing ring is arranged on the lower portion of the telescopic rod, connecting plates are arranged between each supporting leg and the fixing ring, and an insulating plate or an insulating ring is arranged at the upper end of the telescopic rod. According to the utility model, the length of the telescopic rod is adjusted, so that the insulating plate or the insulating ring can support the high-voltage line, the workload of a tester is reduced, the working efficiency is greatly improved, and the accuracy of the ground distance in the testing process is facilitated to be stabilized.
Description
Technical Field
The utility model belongs to the technical field of safety protection of withstand voltage tests, and particularly relates to a protection device for guaranteeing safety of an alternating current withstand voltage test.
Background
In the power system, the main transformer directly affects the safe operation of the power system, so that a withstand voltage test is indispensable.
At present, 1. The test site has complex environment (surrounding barriers, running equipment and grounding conductors), compact test site and higher test voltage (more than 400 kV). 2. When the cross-tolerance test is carried out, the conditions that the safety distance is insufficient, the test equipment and the high-voltage test line discharge to the surrounding grounding body, the distance between the tested product and other running equipment is too short, and once the tested product is broken down, the surrounding normal running equipment is easily damaged and the like exist. 3. The used protective devices such as insulating plates, insulating pads and the like cannot be firmly fixed, and cannot play a role in due protection. 4. The isolation device is fixed at a position which is not suitable for the high place, and potential safety hazards of falling objects at the high place exist on site.
In order to solve the above problems, a protection device for guaranteeing the safety of the ac withstand voltage test needs to be designed.
Disclosure of Invention
Aiming at the problems, the utility model provides a protection device for guaranteeing the safety of an alternating-current withstand voltage test,
the device comprises a telescopic rod, a connecting sleeve is arranged on the side wall of the telescopic rod, a locking bolt is arranged on the side wall of the connecting sleeve, supporting legs are connected with the side wall of the connecting sleeve in a rotating mode, a fixing ring is arranged on the lower portion of the telescopic rod, connecting plates are arranged between each supporting leg and the fixing ring, and an insulating plate or an insulating ring is arranged at the upper end of the telescopic rod.
Preferably, the side wall of the supporting leg is rotatably connected with one end of a connecting plate, and the other end of the connecting plate is hinged with the side part of the fixing ring.
Preferably, one end of the supporting foot, which is contacted with the ground, is provided with an anti-skid sleeve, and the anti-skid sleeve is in a horseshoe shape.
Preferably, the telescopic rod is provided with scales.
Preferably, the side wall of the supporting leg is provided with a leg clamp, and the supporting leg is made of glass fiber reinforced plastic epoxy resin.
Preferably, the insulating ring is arc-shaped.
Preferably, the locking bolt is in threaded connection with the connecting sleeve.
Preferably, the lateral part of adapter sleeve is equipped with multiunit side ear, and every group side ear comprises two arc, and the upper end of supporting legs is located between two corresponding arc and articulated with the arc.
Preferably, the upper ends of the supporting legs are in a flat structure.
Preferably, the end of the locking bolt abuts against a side wall of the telescopic rod.
The utility model has the following beneficial effects:
(1) According to the utility model, the length of the telescopic rod is adjusted, so that the insulating plate or the insulating ring can support the high-voltage line, the workload of a tester is reduced, the working efficiency is greatly improved, and the accuracy of the ground distance in the testing process is facilitated to be stabilized;
(2) After the test is finished, only the insulating plate or the insulating ring support is detached from the telescopic rod, so that personnel do not need to climb up, the carrying and the use of a ladder are avoided, the labor intensity of the operators is reduced, and the risk of electric shock due to insufficient safety distance between the operators and electrified equipment caused by climbing up is also reduced;
(3) According to the utility model, the plurality of supporting feet can be folded and retracted, so that the device is convenient to carry and carry, and the occupied space of the device is reduced.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a structure diagram of a protection device for guaranteeing safety of an AC withstand voltage test in an embodiment of the utility model;
FIG. 2 shows a block diagram of another apparatus in an embodiment of the utility model;
in the figure: 1. supporting feet; 2. a telescopic rod; 3. a connecting plate; 4. a locking bolt; 5. an insulating plate; 6. an anti-skid sleeve; 7. leg clamps; 8. connecting sleeves; 9. an insulating ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the utility model provides a protection device for guaranteeing safety of an alternating-current withstand voltage test, the device comprises a telescopic rod 2, scales are arranged on the telescopic rod 2, the length of the telescopic rod 2 can be adjusted according to actual requirements on site, the scales are arranged on the telescopic rod 2, the height of workers can be measured conveniently according to actual conditions, a fixed ring is arranged at the lower part of the telescopic rod 2, a connecting sleeve 8 is arranged on the side wall of the telescopic rod 2, a locking bolt 4 is arranged on the side wall of the connecting sleeve 8, the locking bolt 4 is in threaded connection with the connecting sleeve 8, the end part of the locking bolt 4 is abutted against the side wall of the telescopic rod 2, a plurality of groups of side lugs are arranged on the side part of the connecting sleeve 8, each group of side lugs is formed by two arc plates, the upper end of the supporting leg 1 is positioned between the corresponding two arc plates and is hinged with the arc plates, the side wall of the connecting sleeve 8 is rotationally connected with the supporting leg 1, the upper end of the supporting leg 1 is in a flat structure, a leg clamp 7 is arranged on the side wall of the supporting leg clamp 1, the leg clamp 7 can be used for fixing device, the supporting leg 1 is made of glass fiber reinforced plastic epoxy resin, each supporting leg 1 is provided with a locking bolt 4, the side wall is in threaded connection with the fixed ring 3, the side wall is in contact with the side wall 3, and is in the shape of the arc plate 6 is in the shape of the arc plate, and the arc plate is fully contacted with the side wall 1, and is in the arc plate 1, and is in the shape of the arc plate, and the arc plate is in the shape of the shape, and the end is in the shape of the arc plate is shown and has an insulation plate 9. In this embodiment, the insulating plate 5 and the insulating ring 9 are made of epoxy resin, so that the insulating plate 5 or the insulating ring 9 has high mechanical performance at medium temperature, stable electrical performance at high humidity, high mechanical and dielectric performance, and high heat resistance and moisture resistance. In this embodiment, the insulating plate 5 or the insulating ring 9 may be installed on the telescopic rod 2 according to actual requirements.
In the initial state, the connecting sleeve 8 is located the upper portion of telescopic link 2 to a plurality of supporting legs 1 are closed form, are vertical or be close vertical state, and laminate mutually with telescopic link 2 lateral wall, and a plurality of connecting plates 3 are also all be near vertical state, and the one end that connecting plate 3 is connected with supporting legs 1 is located the upside, and the one end that is connected with telescopic link 2 is located the downside. When the telescopic rod is used, the locking bolt 4 is unscrewed firstly, so that the locking bolt 4 does not abut against the telescopic rod 2 any more, and at the moment, the connecting sleeve 8 can slide up and down on the surface of the telescopic rod 2. Then the connecting sleeve 8 is slid downwards to drive the upper end of the supporting leg 1 to move downwards relative to the telescopic rod 2, and the lower end of the supporting leg 1 is propped up under the action of the connecting plate 3. According to actual needs, the supporting leg 1 is adjusted to open by adjusting the downward sliding distance of the connecting sleeve 8, namely, the height of the upper end of the telescopic rod 2 from the ground is adjusted, specifically, the longer the downward sliding distance of the connecting sleeve 8 is, the larger the supporting leg 1 is, namely, the more the supporting leg 1 is in a horizontal state, the smaller the height of the upper end of the telescopic rod 2 from the ground is, and the lower the height of the insulating plate 5 or the insulating ring 9 is; conversely, the shorter the downward sliding distance of the connecting sleeve 8, the smaller the supporting leg 1 is, i.e. the more the supporting leg 1 approaches to the branch state, the greater the height of the upper end of the telescopic rod 2 from the ground, and the greater the height of the insulating plate 5 or the insulating ring 9. After the height is adjusted, the locking bolt 4 is screwed down again, so that the end part of the locking bolt 4 abuts against the telescopic rod 2, the fixing of the connecting sleeve 8, namely the fixing of the device height, can be completed, and then the high-voltage line is supported up through the insulating plate 5 or the insulating ring 9. After the use is finished, the insulating plate 5 or the insulating ring 9 is removed, the locking bolt 4 is unscrewed, the connecting sleeve 8 is slid upwards, the supporting legs 1 are closed and retracted, the device is reset, and the device is convenient to carry or transport.
The height of the device can be adjusted through the operation, the heights of the insulating plate 5 and the insulating ring 9 can be adjusted conveniently according to actual working requirements, and better bearing effect on the high-voltage line is achieved. After the device is used, the supporting feet 1 can be folded and retracted, so that the device is convenient to carry and carry, and the occupied space of the device is reduced.
Those of ordinary skill in the art will appreciate that: although the utility model has been described in detail with reference to the foregoing embodiments, it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A protection device for guaranteeing safety of alternating current withstand voltage test is characterized in that,
the device comprises a telescopic rod (2), a connecting sleeve (8) is arranged on the side wall of the telescopic rod (2), a locking bolt (4) is arranged on the side wall of the connecting sleeve (8), supporting legs (1) are connected with the side wall of the connecting sleeve (8) in a rotating mode, a fixing ring is arranged on the lower portion of the telescopic rod (2), connecting plates (3) are arranged between each supporting leg (1) and the fixing ring, and an insulating plate (5) or an insulating ring (9) are arranged at the upper end of the telescopic rod (2).
2. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the side wall of the supporting leg (1) is rotationally connected with one end of the connecting plate (3), and the other end of the connecting plate (3) is hinged with the side part of the fixed ring.
3. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
one end of the supporting leg (1) contacted with the ground is provided with an anti-skid sleeve (6), and the anti-skid sleeve (6) is in a horseshoe shape.
4. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the telescopic rod (2) is provided with scales.
5. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the side wall of the supporting leg (1) is provided with a leg clamp (7), and the supporting leg (1) is made of glass fiber reinforced plastic epoxy resin.
6. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the insulating ring (9) is arc-shaped.
7. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the locking bolt (4) is in threaded connection with the connecting sleeve (8).
8. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the side part of the connecting sleeve (8) is provided with a plurality of groups of side lugs, each group of side lugs consists of two arc-shaped plates, and the upper ends of the supporting feet (1) are positioned between the two corresponding arc-shaped plates and are hinged with the arc-shaped plates.
9. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the upper ends of the supporting legs (1) are of flat structures.
10. The protection device for securing AC withstand voltage test as claimed in claim 1, wherein,
the end part of the locking bolt (4) is propped against the side wall of the telescopic rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361172.0U CN219201683U (en) | 2022-12-12 | 2022-12-12 | Protector for guaranteeing safety of alternating-current withstand voltage test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361172.0U CN219201683U (en) | 2022-12-12 | 2022-12-12 | Protector for guaranteeing safety of alternating-current withstand voltage test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219201683U true CN219201683U (en) | 2023-06-16 |
Family
ID=86712344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223361172.0U Active CN219201683U (en) | 2022-12-12 | 2022-12-12 | Protector for guaranteeing safety of alternating-current withstand voltage test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219201683U (en) |
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2022
- 2022-12-12 CN CN202223361172.0U patent/CN219201683U/en active Active
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