CN112986867B - Transformer winding deformation tester - Google Patents

Transformer winding deformation tester Download PDF

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Publication number
CN112986867B
CN112986867B CN202110213354.4A CN202110213354A CN112986867B CN 112986867 B CN112986867 B CN 112986867B CN 202110213354 A CN202110213354 A CN 202110213354A CN 112986867 B CN112986867 B CN 112986867B
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China
Prior art keywords
tester
plate
transformer winding
fixedly connected
winding deformation
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CN202110213354.4A
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CN112986867A (en
Inventor
任长永
李姬飞
李武
杨淳皓
杨文海
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Baoding Tengyuan Power Technology Co ltd
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Baoding Tengyuan Power Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/62Testing of transformers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/72Testing of electric windings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention provides a transformer winding deformation tester, and relates to the field of power testing equipment. This transformer winding warp tester, including the tester body, the inside fixedly connected with holding down plate of tester body one end is kept away from to fixed subassembly, the upper end of roof is provided with five extrusion rubbers, the inside both sides of holding down plate lower extreme all transversely run through there is the gag lever post, the equal sliding connection in middle part has the sliding sleeve in annular electromagnet, the upper end periphery of sliding sleeve and the upper end of annular electromagnet all pass through third spring fixed connection, the equal fixedly connected with in middle part adjusts the pole in the sliding sleeve. Through extruding the test wire through extrusion rubber and wire hole, avoid test wire and transformer winding deformation tester to peg graft insecurely, through the setting of annular electromagnet, sliding sleeve and third spring, realize also can making transformer winding deformation tester horizontally placed's purpose on unsmooth ground, be worth wideling popularize.

Description

Transformer winding deformation tester
Technical Field
The invention relates to the technical field of power testing equipment, in particular to a transformer winding deformation tester.
Background
The transformer winding deformation tester is an instrument for measuring the deformation of a transformer winding, the instrument of the transformer winding deformation tester has high intelligent degree and convenient use, has multiple functions of automatic range adjustment, automatic sampling frequency adjustment and the like, and the transformer inevitably suffers from various fault short-circuit currents or physical impact in the installation, transportation or operation process, so that the transformer winding can lose stability, thereby causing permanent deformation phenomena such as local distortion, bulging or displacement, and the like, and seriously threatening the safe operation of the transformer.
The existing transformer winding deformation tester is always required to be brought to the outdoor for use when in use, so the transformer winding deformation tester can only be placed along with the current test environment, sometimes, if the transformer winding deformation tester is not stably placed, the transformer test wire and the transformer winding deformation tester can be plugged, the data cannot be normally transmitted, and meanwhile, the transformer winding deformation tester is not placed well, and the use of workers can also be influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a transformer winding deformation tester, which solves the problems that the transformer winding deformation tester cannot be placed well and a wiring hole is not firmly inserted.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the transformer winding deformation tester comprises a tester body, wherein five jacks are arranged in the middle of one end of the tester body, a fixing assembly is fixedly connected to one end of each jack of the tester body, the jacks are arranged in the middle of the fixing assembly, a lower pressing plate is fixedly connected to the inner part of the fixing assembly, which is far away from one end of the tester body, oil pipes are arranged on two sides of the inner part of the lower pressing plate, each oil pipe is U-shaped, a first piston is slidably connected to one end of the inner part of each oil pipe, a second piston is slidably connected to the other end of the inner part of each oil pipe, the upper part of each second piston is fixedly connected to two sides of the bottom end of a top plate, the top plate is slidably connected to a third chute, five extruded rubbers are arranged at the upper end of the top plate, the top end of each first piston extends into the corresponding first chute, and the first chutes are arranged in two sides of the lower pressing plate, the inner part of the upper end of the lower pressing plate is provided with a first limiting groove, the inner part of the first sliding groove is connected with two ends of an upper pressing plate in a sliding manner, the inner middle part of the upper pressing plate is provided with a second sliding groove, the inner middle part of the second sliding groove is connected with a clamping block in a sliding manner, two sides of the clamping block are provided with second limiting grooves, two sides of the inner part of the lower end of the upper pressing plate are provided with cavities, two sides of the inner part of the lower end of the upper pressing plate transversely penetrate through limiting rods, one end of each limiting rod is clamped in the first limiting groove, the other end of each limiting rod is clamped in the second limiting groove, the bottom end of the tester body is provided with a placing plate, four corners of the lower surface of the placing plate are fixedly connected with fixing rods, the lower ends of the fixing rods are fixedly connected to four corners of the upper surface of the fixing plate, annular electromagnets are uniformly distributed in the fixing plate, and the inner middle parts of the annular electromagnets are connected with sliding sleeves in a sliding manner, the periphery of the upper end of the sliding sleeve and the upper end of the annular electromagnet are fixedly connected through a third spring, and an adjusting rod is fixedly connected to the inner middle of the sliding sleeve.
Preferably, the inner middle part of the oil pipe is provided with hydraulic oil, the bottom middle part of the first piston is fixedly connected to the upper end of the second spring, and the lower end of the second spring is fixedly connected to the inner bottom wall of the oil pipe.
Preferably, the middle part of the top end of the clamping block is fixedly connected to the lower end of the connecting rod, the middle part of the connecting rod penetrates through the middle part of the upper end of the upper pressure plate and extends, and the top end of the connecting rod is fixedly connected with a pressing handle.
Preferably, the middle part of gag lever post all runs through the middle part of cavity, the equal fixed connection in the inboard of cavity is in the one end of first spring, the equal fixed connection of the other end of first spring is on the gag lever post.
Preferably, the lower surface middle part fixedly connected with battery of placing the board, battery and annular electromagnet electric connection, the equal fixedly connected with limiting plate in both sides of placing the board, the limiting plate sets up to the U-shaped, the inboard laminating of limiting plate is in the lower part outside of tester body.
Preferably, a holding hole is formed in the middle of the upper end of the upper pressure plate, and a connecting rod penetrates through the middle of the holding hole.
Preferably, five wire holes are formed between the upper pressure plate and the lower pressure plate, the extrusion rubber penetrates through the lower pressure plate and extends into the wire holes, and the top end of the first piston is attached to two sides of the lower end of the upper pressure plate.
Preferably, the sliding sleeve is made of iron, the adjusting rod is made of plastic, and the fixing plate is made of wood.
The working principle is as follows: when the transformer winding deformation tester is used, firstly, when the transformer winding deformation tester is placed on uneven ground, the adjusting rod enables the sliding sleeve to slide in the annular electromagnet by virtue of the third spring, and the transformer winding deformation tester can be well placed when the transformer winding deformation tester is placed on uneven ground, meanwhile, after the winding deformation tester is placed horizontally, the corresponding third spring is compressed, the annular electromagnet is electrified by the battery to generate magnetism so that the sliding sleeve is fixed in the annular electromagnet, so that the purpose of horizontally fixing the transformer winding deformation tester is achieved, the transformer winding deformation tester can be horizontally placed on uneven ground, the use flexibility of the transformer winding deformation tester is improved, after the transformer winding deformation tester is placed, after a testing wire is inserted into an inserting hole in the tester body, a wire hole is formed between the upper pressure plate and the lower pressure plate by pressing the upper pressure plate, the test wire passes through the wire hole, it makes the fixture block slide in the second spout to make the one end of second spacing inslot block have the gag lever post to press the handle through pressing, the other end of gag lever post passes through first spacing groove with the top board block in the holding down plate, make top board and holding down plate can be very stable fixed, when the top board pushed down, push down first piston, make the second piston rise, it slides in the inside of third spout to drive the roof, the roof can slide extrusion rubber in the drive-by-wire, fix the test wire in the wire hole, make the test wire when using, even sway and also can not throw away the plug in the jack, make jack and test wire joint that can firmly, make the tester can not lead to the terminal because of signal transmission is bad when looking sideways at, be worth wideling popularize.
(III) advantageous effects
The invention provides a transformer winding deformation tester. The method has the following beneficial effects:
1. according to the invention, the jack is used for inserting a test wire of the transformer winding deformation tester, the upper pressing plate is pressed down, the upper pressing plate and the lower pressing plate enable the wire body to penetrate through the wire hole, the pressing handle presses down the fixture block, the upper pressing plate is fixed at the upper end of the lower pressing plate through the limiting rod, meanwhile, the upper pressing plate presses down the first piston, the second piston enables the top plate to ascend, the extrusion rubber is extruded on the test wire, the test wire is fixed in the wire hole, the problem that the test wire is not firmly inserted with the transformer winding deformation tester when the test wire is in use and swings is avoided, the service performance of the transformer winding deformation tester is improved, and the problem that the test efficiency is influenced by the occurrence of the problem of the test wire is avoided.
2. According to the invention, through the arrangement of the sliding connection of the annular electromagnet and the sliding sleeve in the fixed plate, when the transformer winding deformation tester is placed on uneven ground, the adjusting rod enables the sliding sleeve to slide in the annular electromagnet by virtue of the third spring according to the current situation that the ground is concave and convex at that time, and meanwhile, after the winding deformation tester is placed horizontally, the corresponding third spring is compressed, and meanwhile, the annular electromagnet generates magnetism to enable the sliding sleeve to be fixed in the annular electromagnet, so that the horizontal fixing of the transformer winding deformation tester is realized, the purpose of horizontally placing the transformer winding deformation tester on uneven ground is realized, the use flexibility of the transformer winding deformation tester is improved, and the transformer winding deformation tester is worthy of great popularization.
Drawings
FIG. 1 is a perspective view of a tester body of the present invention;
FIG. 2 is a top view of the tester body of the present invention;
FIG. 3 is a schematic structural view of a fixing assembly of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a top view of a fixation plate of the present invention;
FIG. 7 is a partial perspective view of the sliding sleeve assembly of the present invention;
FIG. 8 is a perspective view of a cartridge of the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 3;
fig. 10 is an enlarged view of fig. 4 at B.
Wherein, 1, the tester body; 2. pressing the handle; 3. an upper pressure plate; 4. a lower pressing plate; 5. a wire hole; 6. extruding rubber; 7. a fixing assembly; 8. a holding hole; 9. an oil pipe; 10. a first chute; 11. a first piston; 12. a jack; 13. a connecting rod; 14. a second chute; 15. a clamping block; 16. a limiting rod; 17. a first spring; 18. a top plate; 19. a third chute; 20. a second piston; 21. a first limit groove; 22. a second spring; 23. a sliding sleeve; 24. a fixing plate; 25. fixing the rod; 26. a battery; 27. a limiting plate; 28. adjusting a rod; 29. an annular electromagnet; 30. a second limit groove; 31. placing the plate; 32. a chamber; 33. and a third spring.
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.
Example (b):
as shown in fig. 1-10, an embodiment of the present invention provides a transformer winding deformation tester, including a tester body 1, five jacks 12 are provided in a middle portion of one end of the tester body 1, the jacks 12 are provided to enable the tester body 1 to be connected with a test line, the test line includes a power line, a data line and a test line, the power line, the data line and the test line are fixedly connected in the jacks 12 through fixing components 7 in sequence, the tester body 1 is fixedly connected with a fixing component 7 at one end of the jacks 12, the fixing component 7 is externally connected to one side of an exterior of the tester body 1 and is used for supporting installation and fixation of the test line, the jacks 12 are all provided in an inner middle portion of the fixing component 7, a lower pressure plate 4 is fixedly connected to an interior of one end of the fixing component 7 far from the tester body 1, oil pipes 9 are provided on two sides of an interior of the lower pressure plate 4, the oil pipes 9 are U-shaped, one end inside the oil pipe 9 is connected with a first piston 11 in a sliding manner, the other end inside the oil pipe 9 is connected with a second piston 20 in a sliding manner, the upper part of the second piston 20 is fixedly connected with two sides of the bottom end of a top plate 18, the top plate 18 is connected in a third sliding groove 19 in a sliding manner, the third sliding groove 19 can avoid the top plate 18 from inclining when sliding, and simultaneously ensures that the top plate 18 can only slide up and down, the upper end of the top plate 18 is provided with five extrusion rubbers 6, the top end of the first piston 11 extends into the first sliding groove 10, the first sliding grooves 10 are arranged inside two sides of a lower press plate 4, the upper end of the lower press plate 4 is provided with a first limiting groove 21, the inside of the first sliding groove 10 is connected with two ends of an upper press plate 3 in a sliding manner, the middle part inside the upper press plate 3 is provided with a second sliding groove 14, the middle part inside the second sliding groove 14 is connected with a fixture block 15 in a sliding manner, two sides of the fixture block 15 are provided with second limiting grooves 30, the two sides of the lower end of the upper press plate 3 are respectively provided with a cavity 32, two sides of the lower end of the upper press plate 3 transversely penetrate through a limiting rod 16, one end of the limiting rod 16 is clamped inside a first limiting groove 21, the other end of the limiting rod 16 is clamped inside a second limiting groove 30, after a test wire is inserted into the jack 12, the test wire penetrates through the wire hole 5, the upper press plate 3 is pressed, the upper press plate 3 can slide inside a first sliding groove 10, the upper press plate 3 slides downwards, a first piston 11 is pressed down, the first piston 11 can extrude a second piston 20 through hydraulic oil in an oil pipe 9 and the oil pipe 9, the second piston 20 pushes a top plate 18 after being extruded, the top plate 18 slides in a third sliding groove 19 and then pushes extrusion rubber 6 to ascend, the extrusion rubber 6 can form smaller and smaller small holes with the wire hole 5, the test wire passing inside can be extruded and fixed inside the wire hole 5, when the test wire is used at ordinary times, the situation that the test wire and the jack 12 are loosened due to swinging of the test wire and cannot transmit signals once the test wire is loosened, or remeasurement or transmission influence is avoided, so that the stability in side view can be improved after the test wire is stably clamped, and the problem that the test wire is separated from the jack 12 is avoided, after the test wire is extruded in the wire hole 5 by the upper pressure plate 3, the press handle 2 is pressed down to enable the fixture block 15 to slide in the second sliding groove 14 through the connecting rod 13, when the fixture block 15 slides in the second sliding groove 14, the lower part of the fixture block 15 is arranged in a circular arc shape, so that the limiting rod 16 is extruded, the other end of the limiting rod is clamped in the first limiting groove 21, the fixation between the upper pressure plate 3 and the lower pressure plate 4 is realized, the upper pressure plate 3 and the lower pressure plate 4 can have good stability, and the end of the fixture block 15 is clamped with one end of the limiting rod 16 through the second limiting groove 30, the stability of the limiting rod 16 is realized, if the upper pressing plate 3 needs to be taken out, the pressing handle 2 only needs to be pulled out, so that the second limiting grooves 30 of the limiting rod 16 can be separated, the placing plate 31 is arranged at the bottom end of the tester body 1, when the tester body 1 is placed, the tester body 1 can be supported by the placing plate 31, the tester body 1 is well placed, the four corners of the lower surface of the placing plate 31 are fixedly connected with the fixing rods 25, the lower ends of the fixing rods 25 are fixedly connected with the four corners of the upper surface of the fixing plate 24, the annular electromagnets 29 are uniformly distributed in the fixing plate 24, the inner middle parts of the annular electromagnets 29 are respectively and slidably connected with the sliding sleeve 23, the periphery of the upper end of the sliding sleeve 23 and the upper end of the annular electromagnet 29 are respectively and fixedly connected through the third spring 33, the adjusting rod 28 is fixedly connected with the inner middle part of the sliding sleeve 23, when the tester body 1 is placed on the ground, if ground is uneven, then will adjust pole 28 and place subaerial, because the pressure of equipment such as tester body 1 makes the compression of third spring 33, make sliding sleeve 23 slide in annular electromagnet 29, if there is the place of unevenness on ground, third spring 33 can be compressed, keep tester body 1's level, then through making annular electromagnet 29 circular telegram magnetism that generates, make sliding sleeve 23 fix the inside at annular electromagnet 29, make and place board 31 and can steadily place, such setting up use that also can be fine when making tester body 1 meet the rugged use environment of the abominable ground in environment, keep the correct use of tester, be favorable to prolonging transformer winding deformation tester's life.
Oil pipe 9's interior middle part all is provided with hydraulic oil, the bottom middle part fixed connection of first piston 11 is in the upper end of second spring 22, the equal fixed connection of lower extreme of second spring 22 is at the interior diapire of oil pipe 9, when top board 3 loosens, deformation can be resumeed in first spout 10 to first piston 11 because second spring 22's promotion, with first piston 11 jack-up, be convenient for use next time, first piston 11 and second piston 20 and oil pipe 9 are the sliding seal setting.
The middle part of the top end of the clamping block 15 is fixedly connected to the lower end of the connecting rod 13, the middle part of the connecting rod 13 penetrates through the middle part of the upper end of the upper pressing plate 3 and extends, the pressing handle 2 is fixedly connected to the top end of the connecting rod 13, the pressing handle 2 is pressed down, the clamping block 15 can be pushed down by the connecting rod 13, and the upper pressing plate 3 is fixed.
The middle part of cavity 32 is all run through in the middle part of gag lever post 16, and the equal fixed connection in the inboard of cavity 32 is in the one end of first spring 17, and the equal fixed connection of the other end of first spring 17 is on gag lever post 16, and when fixture block 15 was taken out by connecting rod 13, gag lever post 16 will be promoted by first spring 17, and gag lever post 16 will break away from first spacing groove 21, and the setting of cavity 32 is exactly for installing first spring 17.
Place lower surface middle part fixedly connected with battery 26 of board 31, battery 26 and annular electromagnet 29 electric connection, place the equal fixedly connected with limiting plate 27 in both sides of board 31, limiting plate 27 sets up to the U-shaped, limiting plate 27's inboard laminating is in the lower part outside of tester body 1, battery 26 is for providing the electric energy for annular electromagnet 29, guarantee that annular electromagnet 29 can the steady operation, can place tester body 1 stable on placing board 31 through limiting plate 27 when placing tester body 1, the limiting plate 27 of U-shaped can the perfect external profile of laminating tester body 1, promote stability.
The middle part of the upper end of the upper press plate 3 is provided with a holding hole 8, the middle part of the holding hole 8 is penetrated with a connecting rod 13, and when the pressing handle 2 is pressed down, the force can be given to fingers through the holding hole 8, so that the operation is more convenient.
All be formed with five line holes 5 between top board 3 and the lower pressure plate 4, extrusion rubber 6 all runs through lower pressure plate 4 and extends to in the line hole 5, the top of first piston 11 all laminates in the both sides of 3 lower extremes in top board, line hole 5 is used for passing through the test wire, extrusion rubber 6 all sets up according to the shape in line hole 5 relatively, extrusion rubber 6 has certain compliance, neither can harm the test wire like this, also can stably cooperate 5 centre gripping test wires in line hole, the top laminating of first piston 11 can be in time extrudeed first piston 11 in 3 lower extreme both sides of top board, make 3 pushes down of top board.
The sliding sleeve 23 is made of iron, the sliding sleeve 23 made of iron is convenient for magnetic adsorption and fixation after the annular electromagnet 29 is electrified, the weight of the tester body 1 assembly which can be well lightened due to the plastic material of the adjusting rod 28 is enabled to be convenient to carry, the adjusting rod 28 is made of plastic, the fixing plate 24 is made of wood, and the fixing plate 24 made of wood can be prevented from being influenced by the magnetism of the annular electromagnet 29.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Transformer winding deformation tester, including tester body (1), its characterized in that: five jacks (12) are arranged in the middle of one end of the tester body (1), a fixing assembly (7) is fixedly connected to one end of the tester body (1) at the jacks (12), the jacks (12) are all arranged in the middle of the fixing assembly (7), a lower pressing plate (4) is fixedly connected to the inner portion of one end, far away from the tester body (1), of the fixing assembly (7), oil pipes (9) are arranged on two sides of the inner portion of the lower pressing plate (4), each oil pipe (9) is U-shaped, a first piston (11) is slidably connected to one end of the inner portion of each oil pipe (9), a second piston (20) is slidably connected to the other end of the inner portion of each oil pipe (9), the upper portions of the second pistons (20) are fixedly connected to two sides of the bottom end of the top plate (18), the top plate (18) is slidably connected into a third sliding groove (19), and five extrusion rubbers (6) are arranged at the upper end of the top plate (18), the top end of the first piston (11) extends to the interior of the first sliding groove (10), the first sliding grooves (10) are arranged on the interior of two sides of the lower pressing plate (4), the interior of the upper end of the lower pressing plate (4) is provided with a first limiting groove (21), the interior of the first sliding groove (10) is connected with two ends of the upper pressing plate (3) in a sliding manner, the middle of the interior of the upper pressing plate (3) is provided with a second sliding groove (14), the middle of the interior of the second sliding groove (14) is connected with a clamping block (15) in a sliding manner, two sides of the clamping block (15) are provided with second limiting grooves (30), two sides of the interior of the lower end of the upper pressing plate (3) are provided with cavities (32), two sides of the interior of the lower end of the upper pressing plate (3) are provided with limiting rods (16) in a transverse penetrating manner, one end of each limiting rod (16) is clamped in the interior of the first limiting groove (21), and the other end of each limiting rod (16) is clamped in the second limiting groove (30), the tester comprises a tester body (1), and is characterized in that a placing plate (31) is arranged at the bottom end of the tester body (1), fixing rods (25) are fixedly connected to four corners of the lower surface of the placing plate (31), the lower ends of the fixing rods (25) are fixedly connected to four corners of the upper surface of a fixing plate (24), annular electromagnets (29) are uniformly distributed in the fixing plate (24), sliding sleeves (23) are slidably connected to the inner middle portions of the annular electromagnets (29), the peripheries of the upper ends of the sliding sleeves (23) and the upper ends of the annular electromagnets (29) are fixedly connected through third springs (33), and adjusting rods (28) are fixedly connected to the inner middle portions of the sliding sleeves (23).
2. The transformer winding deformation tester of claim 1, wherein: the interior middle part of oil pipe (9) all is provided with hydraulic oil, the bottom middle part fixed connection of first piston (11) is in the upper end of second spring (22), the equal fixed connection of lower extreme of second spring (22) is at the interior diapire of oil pipe (9).
3. The transformer winding deformation tester of claim 1, wherein: the middle part of the top end of the clamping block (15) is fixedly connected to the lower end of the connecting rod (13), the middle part of the connecting rod (13) penetrates through the middle part of the upper end of the upper pressing plate (3) and extends, and the top end of the connecting rod (13) is fixedly connected with a pressing handle (2).
4. The transformer winding deformation tester of claim 1, wherein: the middle part of gag lever post (16) all runs through the middle part of cavity (32), the equal fixed connection in the one end of first spring (17) in inboard of cavity (32), the equal fixed connection of the other end of first spring (17) is on gag lever post (16).
5. The transformer winding deformation tester of claim 1, wherein: the lower surface middle part fixedly connected with battery (26) of placing board (31), battery (26) and annular electromagnet (29) electric connection, the equal fixedly connected with limiting plate (27) in both sides of placing board (31), limiting plate (27) set up to the U-shaped, the inboard laminating of limiting plate (27) is in the lower part outside of tester body (1).
6. The transformer winding deformation tester of claim 1, wherein: the middle part of the upper end of the upper pressure plate (3) is provided with a holding hole (8), and a connecting rod (13) penetrates through the middle part of the holding hole (8).
7. The transformer winding deformation tester of claim 1, wherein: all be formed with five line holes (5) between top board (3) and bottom board (4), extrusion rubber (6) all run through bottom board (4) and extend to in line hole (5), the top of first piston (11) all laminates in the both sides of top board (3) lower extreme.
8. The transformer winding deformation tester of claim 1, wherein: the sliding sleeve (23) is made of iron, the adjusting rod (28) is made of plastic, and the fixing plate (24) is made of wood.
CN202110213354.4A 2021-02-25 2021-02-25 Transformer winding deformation tester Active CN112986867B (en)

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Application Number Priority Date Filing Date Title
CN202110213354.4A CN112986867B (en) 2021-02-25 2021-02-25 Transformer winding deformation tester

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Application Number Priority Date Filing Date Title
CN202110213354.4A CN112986867B (en) 2021-02-25 2021-02-25 Transformer winding deformation tester

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CN112986867A CN112986867A (en) 2021-06-18
CN112986867B true CN112986867B (en) 2022-05-03

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