CN219143009U - High-voltage lead supporting and fixing device for induction voltage-withstanding test of transformer - Google Patents
High-voltage lead supporting and fixing device for induction voltage-withstanding test of transformer Download PDFInfo
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- CN219143009U CN219143009U CN202222436326.1U CN202222436326U CN219143009U CN 219143009 U CN219143009 U CN 219143009U CN 202222436326 U CN202222436326 U CN 202222436326U CN 219143009 U CN219143009 U CN 219143009U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test, which comprises a cross rod and clamping rings, wherein the clamping rings are arranged at two ends of the cross rod, the clamping rings are detachably connected with one side of a high-voltage sleeve of a transformer in a forked manner, and the cross rod and the clamping rings form a supporting structure of the high-voltage lead; the horizontal pole upper portion is equipped with the ply-yarn drill, and horizontal pole, snap ring and ply-yarn drill all adopt insulating material to make, and the ply-yarn drill middle part is equipped with the wire casing, and high voltage lead wire sets up in the wire casing inside, ply-yarn drill one side is equipped with the apron, and the apron can rotate around the one end of ply-yarn drill, and the apron lid is fixed with the ply-yarn drill behind ply-yarn drill upper portion, utilizes the bolt to form limit structure to the high voltage lead wire in the wire casing. According to the utility model, the transverse rod, the clamping ring and the line clamp are used for supporting and fixing the high-voltage lead together, so that the safety of a test is ensured, the line clamp is used for rapidly fixing the high-voltage lead, the working efficiency of the test is improved, and after the test is finished, the cover plate can be opened by loosening the bolts on the cover plate, and the high-voltage lead is taken out.
Description
Technical Field
The utility model belongs to the technical field of transformer induction withstand voltage tests, and particularly relates to a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test.
Background
At present, in the induction withstand voltage test project of a transformer substation, a high-voltage lead wire at the low-voltage side of the transformer needs to be connected to a test instrument, but due to the layout design of the transformer substation, the high-voltage lead wire needs to pass through a high-voltage sleeve, and a sufficient safety distance needs to be ensured before the high-voltage test is pressurized. In particular, persons working on equipment connected to or close to the equipment to be pressurized must leave and ensure a sufficient safety distance to be pressurized. If a sufficient safety distance is not ensured, personnel may get shocked. The fact that the distance between the high-voltage lead and the transformer shell or the high-voltage sleeve is too close can affect the safety of the test, and the accuracy of partial discharge data detected by the induction withstand voltage test can be affected. At present, a mode of supporting and fixing a high-voltage test lead by an insulating rod and an insulating tape is generally adopted, so that the high-voltage test lead and a transformer shell can keep a certain safety distance in the test process.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test, so as to solve the problems of long carrying time and unstable fixing of the existing high-voltage test lead supported and fixed by an insulating rod and an insulating adhesive tape.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the high-voltage lead supporting and fixing device for the induction withstand voltage test of the transformer comprises a cross rod and clamping rings, wherein the clamping rings are arranged at two ends of the cross rod and detachably connected to one side of a high-voltage sleeve of the transformer in a forked mode, and the cross rod and the clamping rings form a supporting structure of the high-voltage lead; the wire clamp is arranged at the upper part of the cross rod, the clamping ring and the wire clamp are made of insulating materials, a wire groove is arranged in the middle of the wire clamp, a high-voltage lead is arranged in the wire groove, a cover plate is arranged on one side of the wire clamp and can rotate around one end of the wire clamp, the cover plate covers the upper part of the wire clamp, the cover plate is fixed with the wire clamp by using a bolt, and a limit structure is formed for the high-voltage lead in the wire groove; when the transformer senses the withstand voltage test, the transverse rod, the clamping ring and the line clamp support and fix the high-voltage lead together, so that the safety of the test is guaranteed, the line clamp is adopted to fix the high-voltage lead rapidly, the working efficiency of the test is improved, after the test is finished, the cover plate can be opened by loosening the bolts on the cover plate, and the high-voltage lead is taken out.
As a further preference of the technical scheme, the cross rod comprises a sleeve, and the two ends of the sleeve are movably inserted with telescopic rods, so that the length of the cross rod is adjusted to adapt to the use of high-voltage sleeves with different intervals; the two ends of the sleeve are connected with fastening bolts in a threaded manner so as to fix the adjusted telescopic rod.
As a further preference of the technical scheme, one end of the telescopic rod is provided with an angle adjusting component, the angle adjusting component comprises a first rotary table and a second rotary table, through holes are formed in the middle parts of the first rotary table and the second rotary table, connecting bolts are arranged in the through holes, nuts are arranged at one ends of the bolts, a connecting rod is fixedly connected to one side of the first rotary table, the other end of the connecting rod is fixedly connected with a clamping ring, and the other side of the first rotary table is fixedly connected with the telescopic rod; the angle adjusting component meets the requirement that the clamping ring clamps various sleeves with different structures and the rotation angle is required to be within the range of 0-90 degrees in the induction withstand voltage test of the transformer.
As a further preference of the technical scheme, the nut adopts a butterfly nut, so that the angle adjusting component can be conveniently and rapidly adjusted and fixed.
As a further preference of the technical scheme, a plurality of uniformly arranged clamping teeth are arranged on one side of the contact surface of the first rotary table and the second rotary table, and the clamping teeth of the first rotary table and the second rotary table are mutually clamped, so that deflection generated after the first rotary table and the second rotary table are fixed is avoided.
As a further preference of the technical scheme, the lower part of the line clamp is provided with a hoop, so that the line clamp can be conveniently moved and quickly replaced after being damaged.
As the further preference of this technical scheme, the snap ring both sides are equipped with the mounting groove, and the both ends of mounting groove are equipped with the draw-in groove, be equipped with two sets of arched shell fragment in the draw-in groove symmetrically, the shell fragment up end or lower terminal surface are stretched out at the shell fragment middle part during initial state, and when the snap ring card was gone into high-voltage sleeve pipe, the shell fragment was supported in high-voltage sleeve pipe's upper and lower both sides, has improved the stability that high-voltage lead wire support fixing device supported.
The beneficial effects of the utility model are as follows:
1) According to the utility model, the transverse rod, the clamping ring and the line clamp are used for supporting and fixing the high-voltage lead together, so that the safety of a test is ensured, the line clamp is used for rapidly fixing the high-voltage lead, the working efficiency of the test is improved, and after the test is finished, the cover plate can be opened by loosening the bolts on the cover plate, and the high-voltage lead is taken out.
2) The cross rod comprises a sleeve, and two ends of the sleeve are movably inserted with telescopic rods, so that the length of the cross rod is adjusted to adapt to high-voltage sleeves with different intervals; the two ends of the sleeve are connected with fastening bolts in a threaded manner so as to fix the adjusted telescopic rod.
3) One end of the telescopic rod is provided with an angle adjusting component, the angle adjusting component comprises a first rotary table and a second rotary table, through holes are formed in the middle parts of the first rotary table and the second rotary table, connecting bolts are arranged in the through holes, nuts are arranged at one ends of the bolts, and the nuts adopt butterfly nuts, so that the angle adjusting component can be conveniently and rapidly adjusted and fixed; one side of the first rotary table is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a clamping ring, and the other side of the first rotary table is fixedly connected with a telescopic rod; the angle adjusting component meets the requirement that the clamping ring clamps various sleeves with different structures and the rotation angle is required to be within the range of 0-90 degrees in the induction withstand voltage test of the transformer; and a plurality of uniformly arranged clamping teeth are arranged on one side of the contact surface of the first rotary table and the second rotary table, so that deflection generated after the first rotary table and the second rotary table are fixed is avoided.
4) The anchor ear is arranged at the lower part of the line clip, so that the line clip can be conveniently moved and quickly replaced after being damaged.
5) The snap ring both sides are equipped with the mounting groove, and the both ends of mounting groove are equipped with the draw-in groove, are equipped with two sets of arched shell fragment in the draw-in groove symmetrically, and shell fragment middle part stretches out snap ring up end or lower terminal surface during initial state, and when the snap ring card was gone into high-voltage sleeve pipe, the shell fragment was supported in high-voltage sleeve pipe's upper and lower both sides, has improved the stability that high-voltage lead wire support fixing device supported.
Drawings
Fig. 1 is a state diagram of the high-voltage lead supporting and fixing device for the induction withstand voltage test of the transformer.
Fig. 2 is a schematic structural diagram of a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test according to the present utility model.
Fig. 3 is an assembly schematic diagram of a snap ring and an angle adjusting assembly in a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test.
Fig. 4 is a partial cross-sectional view of a snap ring in a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test according to the present utility model.
Fig. 5 is an exploded view of an angle adjusting assembly in a high voltage lead supporting and fixing device for a transformer induced withstand voltage test according to the present utility model.
Fig. 6 is a schematic diagram of a structure of a wire clip in a high-voltage lead supporting and fixing device for a transformer induction withstand voltage test according to the present utility model.
In the figure: 1. a high voltage bushing; 2. a cross bar; 21. a telescopic rod; 22. a sleeve; 23. a fastening bolt; 3. an angle adjustment assembly; 31. a first turntable; 32. a second turntable; 33. latch teeth; 34. a connecting bolt; 35. a nut; 36. a connecting rod; 4. a clasp; 41. a clamping groove; 42. a spring plate; 5. a line clip; 51. a wire slot; 52. a cover plate; 53. and (5) hooping.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in an illustrative embodiment of the utility model, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, a particular orientation configuration and operation, and thus should not be construed as limiting the present utility model.
1-2 and 6, the high-voltage lead supporting and fixing device for the induction withstand voltage test of the transformer comprises a cross rod 2 and a clamping ring 4, wherein the clamping ring 4 is arranged at two ends of the cross rod 2, the clamping ring 4 is detachably connected with one side of a high-voltage sleeve 1 of the transformer in a forking way, and the cross rod 2 and the clamping ring 4 form a supporting structure of the high-voltage lead; the upper part of the cross rod 2 is provided with a line clip 5, the cross rod 2, the clamping ring 4 and the line clip 5 are all made of insulating materials, the middle part of the line clip 5 is provided with a line groove 51, a high-voltage lead is arranged in the line groove 51, one side of the line clip 5 is provided with a cover plate 52, the cover plate 52 can rotate around one end of the line clip 5, after the cover plate 52 covers the upper part of the line clip 5, the cover plate 52 is fixed with the line clip 5 by bolts, and a limiting structure is formed by the high-voltage lead in the line groove 51; when the transformer senses the withstand voltage test, the transverse rod 2, the clamping ring 4 and the line clamp 5 support and fix the high-voltage lead together, so that the safety of the test is guaranteed, the line clamp 5 is adopted to fix the high-voltage lead quickly, the working efficiency of the test is improved, after the test is finished, the cover plate 52 can be opened by loosening bolts on the cover plate 52, and the high-voltage lead is taken out.
As shown in fig. 2, in this embodiment, the cross rod 2 includes a sleeve 22, two ends of the sleeve 22 are movably inserted with a telescopic rod 21, so as to realize adjustment of the length of the cross rod 2, so as to adapt to the use of high-voltage bushings 1 with different intervals; the sleeve 22 is screwed with fastening bolts 23 at both ends to fix the adjusted telescopic rod 21.
As shown in fig. 2 and 5, in this embodiment, an angle adjusting assembly 3 is disposed at one end of the telescopic rod 21, the angle adjusting assembly 3 includes a first turntable 31 and a second turntable 32, through holes are disposed in the middle of the first turntable 31 and the second turntable 32, a connecting bolt 34 is disposed in the through holes, a nut 35 is disposed at one end of the bolt, a connecting rod 36 is fixedly connected to one side of the first turntable 31, the other end of the connecting rod 36 is fixedly connected to the snap ring 4, and the other side of the first turntable 31 is fixedly connected to the telescopic rod 21; the angle adjusting component 3 meets the requirement that the clamping ring 4 clamps various sleeves with different structures and the rotation angle is required to be within the range of 0-90 degrees in the induction withstand voltage test of the transformer.
In this embodiment, as shown in fig. 5, the nut 35 is a butterfly nut 35, so that the angle adjusting component 3 is convenient to quickly adjust and fix.
In this embodiment, as shown in fig. 5, a plurality of latches 33 are uniformly arranged on one side of the contact surface of the first rotating disc 31 and the second rotating disc 32, so that deflection after the first rotating disc 31 and the second rotating disc 32 are fixed is avoided.
In this embodiment, as shown in fig. 6, the lower portion of the line card 5 is provided with a hoop 53, so as to facilitate the movement and quick replacement after the damage of the line card 5.
As shown in fig. 4, in this embodiment, mounting grooves are formed on two sides of the snap ring 4, clamping grooves 41 are formed on two ends of the mounting grooves, two groups of arched elastic pieces 42 are symmetrically formed in the clamping grooves 41, the middle of each elastic piece 42 stretches out of the upper end face or the lower end face of the snap ring 4 in an initial state, when the snap ring 4 is clamped into the high-voltage sleeve 1, the elastic pieces 42 are abutted against the upper side and the lower side of the high-voltage sleeve 1, and the stability of the high-voltage lead supporting and fixing device is improved.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The high-voltage lead supporting and fixing device for the induction withstand voltage test of the transformer comprises a cross rod and clamping rings, wherein the clamping rings are arranged at two ends of the cross rod and detachably connected to one side of a high-voltage sleeve of the transformer in a forked mode, and the cross rod and the clamping rings form a supporting structure of the high-voltage lead; the wire clamp is characterized in that a wire clamp is arranged on the upper portion of the cross rod, the clamping ring and the wire clamp are made of insulating materials, a wire groove is formed in the middle of the wire clamp, a high-voltage lead is arranged inside the wire groove, a cover plate is arranged on one side of the wire clamp and can rotate around one end of the wire clamp, the cover plate covers the upper portion of the wire clamp, the cover plate is fixed with the wire clamp through bolts, and a limiting structure is formed on the high-voltage lead in the wire groove.
2. The high-voltage lead supporting and fixing device for the induction voltage withstand test of the transformer according to claim 1, wherein the cross rod comprises a sleeve, and two ends of the sleeve are movably inserted with telescopic rods; the two ends of the sleeve are connected with fastening bolts in a threaded manner.
3. The high-voltage lead supporting and fixing device for the transformer induction withstand voltage test according to claim 2, wherein an angle adjusting assembly is arranged at one end of the telescopic rod, the angle adjusting assembly comprises a first rotary table and a second rotary table, through holes are formed in the middle of the first rotary table and the middle of the second rotary table, connecting bolts are arranged in the through holes, nuts are arranged at one ends of the bolts, a connecting rod is fixedly connected to one side of the first rotary table, the other end of the connecting rod is fixedly connected with a clamping ring, and the other side of the first rotary table is fixedly connected with the telescopic rod.
4. A high voltage lead supporting and fixing device for a transformer induction withstand voltage test according to claim 3, wherein the nut is a butterfly nut.
5. The high-voltage lead supporting and fixing device for the induction voltage withstand test of the transformer according to claim 3, wherein a plurality of uniformly arranged clamping teeth are arranged on one side of the contact surface of the first rotary disc and the second rotary disc, and the clamping teeth of the first rotary disc and the second rotary disc are mutually clamped.
6. The high-voltage lead supporting and fixing device for the induction voltage withstand test of the transformer according to claim 1, wherein a hoop is arranged at the lower part of the line clamp.
7. The device for supporting and fixing high-voltage lead wires in induction voltage withstand test of transformer according to any one of claims 1-6, wherein mounting grooves are formed in two sides of the clamping ring, clamping grooves are formed in two ends of the mounting grooves, two groups of arched spring plates are symmetrically arranged in the clamping grooves, and the middle parts of the spring plates extend out of the upper end face or the lower end face of the clamping ring in an initial state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222436326.1U CN219143009U (en) | 2022-09-09 | 2022-09-09 | High-voltage lead supporting and fixing device for induction voltage-withstanding test of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222436326.1U CN219143009U (en) | 2022-09-09 | 2022-09-09 | High-voltage lead supporting and fixing device for induction voltage-withstanding test of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219143009U true CN219143009U (en) | 2023-06-06 |
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ID=86565705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222436326.1U Active CN219143009U (en) | 2022-09-09 | 2022-09-09 | High-voltage lead supporting and fixing device for induction voltage-withstanding test of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219143009U (en) |
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2022
- 2022-09-09 CN CN202222436326.1U patent/CN219143009U/en active Active
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