CN114563745B

CN114563745B - Transformer detection device

Info

Publication number: CN114563745B
Application number: CN202210443334.0A
Authority: CN
Inventors: 陈金奎; 王庆庆; 陈凯; 张小兴; 黄根兰; 吴富珠
Original assignee: Jiangsu Tianli Mechanical & Electrical Co ltd
Current assignee: Jiangsu Tianli Mechanical & Electrical Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-05
Anticipated expiration: 2042-04-26
Also published as: CN114563745A

Abstract

The invention discloses a transformer detection device, which comprises a machine body shell, wherein a measurement cavity is arranged in the machine body shell, a first connecting block in sliding connection is arranged on the bottom wall of the measurement cavity, a moving assembly for controlling the first connecting block to move is arranged on the bottom wall of the measurement cavity, an air bag is fixedly arranged on the front wall of the first connecting block, heat insulation cotton covers the surface of the air bag, a first air cavity is arranged in the air bag, and a support column fixedly connected with the first connecting block is arranged in the first air cavity; the electromagnet can generate magnetic fields with different directions and different strengths according to the change of current, the permanent magnet moves under the action of the magnetic field to drive the drawing pen to move on a drawing to draw a moving curve, a worker can know the magnetic field change of the iron core during working by analyzing the change of the moving curve, the change of the curve is unsmooth, the problem of the magnetic field change of the iron core is shown, the problem is probably that the inside of the iron core is damaged and is regarded as a defective product, and the problem is vice versa.

Description

Transformer detection device

Technical Field

The invention relates to the technical field of transformer detection, in particular to a transformer detection device.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and mainly comprises an iron core and a coil, wherein the coil is provided with two or more than two windings, the winding connected with a power supply is called a primary coil, the other windings are called secondary coils, the iron core of the transformer mainly plays the role of magnetic conduction and a framework, the iron core is used as a magnetic conduction component in the transformer and is in a constantly changing electromagnetic field, the magnetization intensity and the magnetic induction intensity of the iron core are constantly changing, and therefore the primary coil and the secondary coil can be better in mutual inductance coupling, and the quality of the iron core of the transformer directly influences the quality of the transformer.

Iron core probably receives the damage when the assembly among the current production technology, makes the iron core have local short circuit or has annular short circuit circle, and it can lead to the local overheat of iron core to switch on big circulating current again, can cause the iron core to catch fire and burn out whole transformer even, but the inside damage of iron core is difficult to detect again, and the good or bad smoothness that also directly influences the magnetic induction and becomes in addition influences the power loss of transformer, and the iron core has big or small moreover, needs to change different chucks and carries out the centre gripping, the waste of time.

Disclosure of Invention

The present invention is directed to a transformer testing apparatus, which overcomes the above-mentioned drawbacks of the prior art.

The transformer detection device comprises a machine body shell, wherein a measurement cavity is arranged in the machine body shell, a first connecting block which is connected in a sliding manner is arranged on the bottom wall of the measurement cavity, a moving assembly which controls the first connecting block to move is arranged on the bottom wall of the measurement cavity, an air bag is fixedly arranged on the front wall of the first connecting block, heat insulation cotton covers the surface of the air bag, a first air cavity is arranged in the air bag, a support pillar which is fixedly connected with the first connecting block is arranged in the first air cavity, a second air cavity is arranged in the support pillar, a plurality of air holes which penetrate through the support pillar are arranged on the side wall of the second air cavity, the second air cavity is connected with an external air source through an air pipe, an electronic control valve is arranged on the air pipe, first electric push rods are symmetrically arranged in the left wall and the right wall of the measurement cavity, and a second connecting block is fixedly arranged at the output end of the first electric push rod, the second connecting block is internally provided with a clamping component capable of clamping coil pins, the front wall of the measuring cavity is provided with a placing opening penetrating through the front surface of the machine body shell, the placing opening is internally provided with a gate component capable of cutting off the placing opening, the top wall of the measuring cavity is provided with a radiator penetrating through the top wall of the machine body shell, the top wall of the measuring cavity is provided with a detection component capable of measuring the heating condition of an iron core, the right side of the measuring cavity is provided with an electromagnet, the right side of the electromagnet is provided with a moving cavity, the moving cavity is internally provided with a permanent magnet in sliding connection, the left side wall and the right side wall of the permanent magnet are symmetrically provided with first springs fixedly connected with the side walls of the moving cavity, the top wall of the moving cavity is provided with a first channel penetrating through the surface of the machine body shell, the surface of the machine body shell is fixedly provided with a first fixing block corresponding to the position of the first channel, the first fixing block is internally provided with a drawing cavity communicated with the first channel and provided with the forward opening, the interior of drawing cavity is equipped with the paper winding wheel of upper and lower position symmetry, around there being the drawing between the paper winding wheel, the permanent magnet upper wall be equipped with can with the drawing is supported and is pressed the drawing pen of being connected, it can control to draw the intracavity the paper winding wheel pivoted drive assembly, it is connected with the apron to draw the rotation of chamber front surface.

Like this, the electronic control valve that is equipped with just can control the trachea and be full of gas in the time of switching on, make the gasbag press from both sides tight iron core, play the effect that the flexible clamp iron core prevents iron core surface coating destroyed, also can adapt to the iron core of equidimension not simultaneously in order to improve detection range, need not change the chuck and centre gripping different iron cores, improve work efficiency, and the electro-magnet that is equipped with just can produce not equidirectional according to the change of electric current, the magnetic field of different intensity, the permanent magnet moves the drawing pen and moves drawing moving curve on the drawing under the effect in magnetic field, the staff just can know the magnetic field change of iron core at the during operation through the change of analysis moving curve, the magnetic field change that the iron core was shown to have the problem when the curve change is not smooth, probably the inside damage that appears of iron core and regards as defective goods, otherwise is the good product.

Preferably, the movable assembly comprises a first chute which is arranged in the bottom wall of the measuring cavity and has an upward opening, a first motor is arranged on the rear wall of the first chute, a first screw rod which is rotatably connected with the front wall of the first chute is arranged on the front end face of the first motor, a first sliding block which is slidably connected with the first chute is connected with the first screw rod through threads, and the first sliding block is fixedly connected with the first connecting block.

Like this, the first connecting block that is equipped with just can drive the gasbag and remove under the drive of first motor, plays and stretches out the gasbag and measure the convenient staff outside the chamber and load the iron core or withdraw the iron core and measure the convenient measuring effect in the chamber.

Preferably, the clamping assembly comprises a second chute which is arranged in the second connecting block and is symmetrical in vertical position, the opening of the second chute faces the air bag, a second motor is arranged in the side wall of the second chute facing the symmetry center of the second chute, the end face of the second motor far away from the symmetry center of the second chute is provided with a second screw rod which is rotatably connected with the side wall of the second chute, the second screw rod is in threaded connection with a second sliding block which is slidably connected with the second chute, the tail end of the second sliding block is fixedly provided with a third connecting block which is slidably connected with the side wall of the second connecting block, a clamping cavity with an opening facing the air bag is arranged in the third connecting block, second electric push rods with symmetrical positions are arranged in the upper wall and the lower wall of the clamping cavity, the output end of the second electric push rod is fixedly provided with a second fixing block, and a buffer cavity with an opening facing the symmetry center of the second electric push rod is arranged in the second fixing block, the buffer cavity is internally provided with an insulating push rod in a sliding manner, the insulating push rod extends to the drawing cavity, the side wall of the insulating push rod is connected with the side wall of the buffer cavity through a second spring, the tail end of the insulating push rod is fixedly provided with a clamping plate, the clamping plate on the right side is connected with the electromagnet through an electric wire, and the clamping plate on the left side is connected with a measuring power supply through an electric wire.

Like this, the splint that are equipped with just can be in the drive of second motor and second electric putter and the flexible tight coil pin of clamp under the effect of second spring, play and prevent that splint transition from pressing from both sides the tight effect of damaging the coil pin clamp, can protect the coil not to receive destruction.

Preferably, the gate assembly including set up in place mouthful right wall in and the storage chamber of opening left, the storage intracavity slide be equipped with can with place mouthful left wall and support the division board of pressing the connection, the third motor is installed to the storage chamber antetheca, first transmission shaft is installed to third motor rear end face, first transmission shaft rear end is equipped with first straight gear admittedly, set firmly in the division board upper surface with first straight gear engagement rack.

Like this, the division board that is equipped with just can remove under the drive of third motor, plays the control division board and blocks or switch on the effect of placing the mouth, and the staff mistake touches the iron core of circular telegram when measuring the iron core, can avoid causing the incident.

Preferably, the detection assembly comprises a third electric push rod arranged in the top wall of the measuring cavity and located in front of the radiator, a fourth connecting block is fixedly arranged at the output end of the third electric push rod, and an infrared temperature detector is arranged in the rear face of the fourth connecting block.

In this way, the infrared temperature detector can be pushed by the third electric push rod to align with the detected iron core, and the infrared temperature detector can detect the heating condition of each position of the coil.

Preferably, drive assembly including set up in draw in the chamber about the lateral wall and the opening orientation the regulation chamber of paper winding wheel, be equipped with sliding connection's regulating block in the regulation chamber, the regulating block upper surface with the regulation chamber roof is connected through the third spring, is equipped with the transmission chamber in the left regulating block, install the fourth motor in the wall of transmission chamber left side, the second transmission shaft is installed to fourth motor right-hand member face, the second transmission shaft right-hand member has set firmly the second straight-teeth gear, right side the regulating block left side wall rotates and is equipped with upper and lower position symmetry and extends to the third transmission shaft in the transmission chamber, the third transmission shaft left end in the transmission chamber firmly be equipped with the third straight-teeth gear of second straight-teeth gear meshing, the third transmission shaft with paper winding wheel fixed connection.

Like this, the scroll wheel that is equipped with just can drive the drawing under the drive of fourth motor and rotate, plays the effect that makes things convenient for the drawing pen to draw continuous curve on the drawing, and the third spring that is equipped with enables the drawing and supports all the time and press on the drawing pen.

Preferably, the heat radiator can discharge heat generated in the measurement cavity during measurement, and the normal working temperature in the measurement cavity is kept.

Preferably, the heat insulation cotton can insulate heat generated by the iron core and prevent the air bag from being damaged by high temperature.

The invention has the beneficial effects that:

firstly, the electromagnet provided by the invention can generate magnetic fields with different directions and different strengths according to the change of current, the permanent magnet moves under the action of the magnetic field to drive the drawing pen to move on a drawing paper to draw a moving curve, a worker can know the magnetic field change of the iron core during working by analyzing the change of the moving curve, the change of the curve indicates that the magnetic field change of the iron core has problems when the curve is not smooth, the problem is probably that the inside of the iron core is damaged and is regarded as a defective product, and otherwise the iron core is a good product.

Secondly, the electronic control valve provided by the invention can control the air filled in the first air cavity when the air pipe is conducted, so that the air bag can clamp the iron core, the effect of flexibly clamping the iron core to prevent the surface coating of the iron core from being damaged is achieved, meanwhile, the electronic control valve can adapt to iron cores with different sizes to improve the detection range, a chuck is not required to be replaced to clamp different iron cores, and the working efficiency is improved.

Thirdly, the coil pin can be flexibly clamped by the clamping plate under the driving of the second motor and the second electric push rod and the action of the second spring, so that the coil pin can be prevented from being damaged by the transitional clamping of the clamping plate, and the coil can be protected from being damaged.

Fourth, the paper winding wheel provided by the invention can drive the drawing to rotate under the driving of the fourth motor, so that the drawing pen can draw a continuous curve on the drawing conveniently, and the drawing can be always pressed on the drawing pen through the third spring.

Drawings

FIG. 1 is a schematic external view of a transformer testing apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken at A-A in accordance with the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at B-B in accordance with the present invention;

FIG. 4 is a schematic structural view of the clamping assembly of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic structural diagram of the insulating push rod of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the drive assembly of FIG. 2 according to the present invention;

FIG. 7 is a schematic structural view of the gate assembly of FIG. 3 in accordance with the present invention;

in the figure:

11. a body housing; 12. a measurement cavity; 13. a first screw; 14. a first slider; 15. a first connection block; 16. a clamping cavity; 17. an electromagnet; 18. a third connecting block; 19. a first electric push rod; 20. a second connecting block; 21. a heat sink; 22. an electric wire; 23. a first fixed block; 24. a first channel; 25. drawing a pen; 26. a moving chamber; 27. a first spring; 28. a permanent magnet; 29. a first chute; 30. a first motor; 31. an air tube; 32. an electronic control valve; 33. a third electric push rod; 34. a fourth connecting block; 35. an infrared temperature detector; 36. air holes; 37. a second air cavity; 38. a support pillar; 39. a first air cavity; 40. an air bag; 41. heat insulation cotton; 42. a placement port; 43. a separator plate; 44. a second chute; 45. a second motor; 46. a second screw; 47. a second slider; 48. a second electric push rod; 49. a second fixed block; 50. a second spring; 51. a buffer chamber; 52. an insulating push rod; 53. a splint; 54. a second drive shaft; 55. a fourth motor; 56. a transmission cavity; 57. an adjusting block; 58. an adjustment chamber; 59. a third spring; 60. a third spur gear; 61. a second spur gear; 62. drawing; 63. a paper winding wheel; 64. a third drive shaft; 65. a rack; 66. a storage chamber; 67. a first straight gear; 68. a first drive shaft; 69. a third motor; 70. a cover plate; 71. and drawing a cavity.

Detailed Description

The invention will be further explained and explained with reference to the drawings and the embodiments in the description. For the step numbers in the embodiments of the present invention, the step numbers are set for convenience of illustration only, the sequence between the steps is not limited at all, and the execution sequence of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art:

referring to fig. 1 to 7, a transformer testing apparatus according to an embodiment of the present invention includes a machine body housing 11, a measuring cavity 12 is disposed in the machine body housing 11, a first connecting block 15 slidably connected to the bottom wall of the measuring cavity 12 is disposed on the bottom wall of the measuring cavity 12, a moving component for controlling the first connecting block 15 to move is disposed on the bottom wall of the measuring cavity 12, an air bag 40 is fixedly disposed on the front wall of the first connecting block 15, an insulating cotton 41 covers the surface of the air bag 40, a first air cavity 39 is disposed in the air bag 40, a supporting pillar 38 fixedly connected to the first connecting block 15 is disposed in the first air cavity 39, a second air cavity 37 is disposed in the supporting pillar 38, a plurality of air holes 36 penetrating through the supporting pillar 38 are disposed on the side wall of the second air cavity 37, the second air cavity 37 is connected to an external air source through an air pipe 31, an electronic control valve 32 is disposed on the air pipe 31, first electric push rods 19 are symmetrically disposed in the left and right walls of the measuring cavity 12, the output end of the first electric push rod 19 is fixedly provided with a second connecting block 20, a clamping assembly capable of clamping a coil pin is arranged in the second connecting block 20, the front wall of the measuring cavity 12 is provided with a placing opening 42 penetrating through the front surface of the engine body shell 11, a gate assembly capable of cutting off the placing opening 42 is arranged in the placing opening 42, the top wall of the measuring cavity 12 is provided with a radiator 21 penetrating through the top wall of the engine body shell 11, the top wall of the measuring cavity 12 is provided with a detection assembly capable of measuring the heating condition of an iron core, the right side of the measuring cavity 12 is provided with an electromagnet 17, the right side of the electromagnet 17 is provided with a moving cavity 26, a permanent magnet 28 in sliding connection is arranged in the moving cavity 26, the left side wall and the right side wall of the permanent magnet 28 are symmetrically provided with a first spring 27 fixedly connected with the side wall of the moving cavity 26, the top wall of the moving cavity 26 is provided with a first passage 24 penetrating through the surface of the engine body shell 11, organism shell 11 surface set have with the first fixed block 23 that first passageway 24 position corresponds, be equipped with in the first fixed block 23 with first passageway 24 is linked together and the forward chamber 71 that draws of opening, draw the interior rolling paper wheel 63 that is equipped with upper and lower position symmetry of chamber 71, around having drawing 62 between the rolling paper wheel 63, permanent magnet 28 upper wall be equipped with can with drawing 62 supports the drawing pen 25 of pressing the connection, it can control to draw the intracavity 71 be equipped with rolling paper wheel 63 pivoted drive assembly, it is connected with apron 70 to draw the rotation of chamber 71 front surface.

Wherein, remove the subassembly including set up in measure in the 12 diapalls of chamber and the ascending first spout 29 of opening, first motor 30 is installed to first spout 29 back wall, the terminal surface install before first motor 30 with first spout 29 antetheca rotates the first screw rod 13 of being connected, threaded connection have on the first screw rod 13 with first spout 29 sliding connection's first slider 14, first slider 14 with first connecting block 15 fixed connection, first motor 30 drives first screw rod 13 and rotates when first motor 30 starts, and first screw rod 13 drives first slider 14 and removes, and first slider 14 drives first connecting block 15 and removes.

Wherein, the clamping assembly comprises a second chute 44 which is arranged in the second connecting block 20 and is symmetrical in the vertical position, the opening of the second chute 44 faces the air bag 40, the second chute 44 faces the side wall of the symmetrical center of the second chute 44, a second motor 45 is arranged in the side wall of the symmetrical center of the second chute 44, the end surface of the second motor 45 far away from the symmetrical center of the second chute 44 is provided with a second screw 46 which is rotatably connected with the side wall of the second chute 44, the second screw 46 is in threaded connection with a second sliding block 47 which is slidably connected with the second chute 44, the tail end of the second sliding block 47 is fixedly provided with a third connecting block 18 which is slidably connected with the side wall of the second connecting block 20, the third connecting block 18 is internally provided with a clamping cavity 16, the opening of which faces the air bag 40, the upper wall and the lower wall of the clamping cavity 16 are internally provided with a second electric push rod 48 which is symmetrical in the vertical position, the output end of the second electric push rod 48 is fixedly provided with a second fixing block 49, a buffer cavity 51 with an opening facing to the symmetric center of the second electric push rod 48 is arranged in the second fixed block 49, an insulating push rod 52 extending into the drawing cavity 71 is arranged in the buffer cavity 51 in a sliding mode, the side wall of the insulating push rod 52 is connected with the side wall of the buffer cavity 51 through a second spring 50, the tail end of the insulating push rod 52 is fixedly provided with a clamping plate 53, the clamping plate 53 on the right side is connected with the electromagnet 17 through an electric wire 22, the clamping plate 53 on the left side is connected with a measurement power supply through the electric wire 22, when the second motor 45 is started, the second motor 45 drives the second screw rod 46 to rotate, the second screw rod 46 drives the second sliding block 47 to move, the second sliding block 47 drives the third connecting block 18 to move, when the second electric push rod 48 is started, the second electric push rod 48 drives the second fixed block 49 to move, and the insulating push rod 52 pushes the clamping plate 53 to clamp the coil pin under the action of the second fixed block 49 and the second spring 50.

Wherein, the gate subassembly including set up in place mouthful 42 right side wall in and the storage chamber 66 of opening left, it can with to slide in the storage chamber 66 place mouthful 42 left side wall and support to press the division board 43 of connecting, third motor 69 is installed to storage chamber 66 antetheca, first transmission shaft 68 is installed to third motor 69 rear end face, first transmission shaft 68 rear end is equipped with first pinion 67 admittedly, division board 43 upper surface in set firmly with first pinion 67 meshes rack 65, when third motor 69 starts, third motor 69 drives first pinion 67 through first transmission shaft 68 and rotates, and division board 43 moves under rack 65 and first pinion 67's effect.

Wherein, the detecting component including set up in measure in the 12 roof in chamber and be located the third electric putter 33 in radiator 21 the place ahead, third electric putter 33 output has set firmly fourth connecting block 34, install infrared temperature detector 35 in the fourth connecting block 34 back, when third electric putter 33 starts, can drive infrared temperature detector 35 through promoting fourth connecting block 34 and remove, when infrared temperature detector 35 started, can detect the condition of generating heat of each position of coil.

Wherein, the driving component comprises an adjusting cavity 58 which is arranged in the left and right side walls of the drawing cavity 71 and has an opening facing the paper winding wheel 63, an adjusting block 57 which is connected in a sliding manner is arranged in the adjusting cavity 58, the upper surface of the adjusting block 57 is connected with the top wall of the adjusting cavity 58 through a third spring 59, a transmission cavity 56 is arranged in the adjusting block 57 on the left side, a fourth motor 55 is arranged in the left wall of the transmission cavity 56, a second transmission shaft 54 is arranged on the right end surface of the fourth motor 55, a second spur gear 61 is fixedly arranged on the right end of the second transmission shaft 54, a third transmission shaft 64 which is symmetrical in upper and lower positions and extends into the transmission cavity 56 is rotatably arranged on the left wall of the adjusting block 57 on the right side, a third spur gear 60 which is meshed with the second spur gear 61 is fixedly arranged on the left end of the third transmission shaft 64 in the transmission cavity 56, and the third transmission shaft 64 is fixedly connected with the paper winding wheel 63, when the fourth motor 55 is started, the fourth motor 55 drives the second spur gear 61 to rotate through the second transmission shaft 54, the second spur gear 61 drives the third spur gear 60 to rotate, the third spur gear 60 drives the drawing paper 62 to rotate through the third transmission shaft 64 and the paper winding wheel 63, and the drawing paper 62 tightly abuts against the drawing pen 25 under the action of the third spring 59.

The heat sink 21 can discharge heat generated during measurement in the measurement cavity 12, and maintain the normal working temperature in the measurement cavity 12.

Wherein, the heat insulation cotton 41 can insulate the heat generated by the iron core and prevent the air bag 40 from being damaged by high temperature.

The transformer detection device of the invention has the following working procedures:

when the transformer core needs to be detected, the core is sleeved on the heat insulation cotton 41, then the electronic control valve 32 is started, when external high-pressure gas enters the first air cavity 39, the air bag 40 expands to clamp the core, then the first motor 30 is started to drive the core to retract into the measurement cavity 12, then the third motor 69 is started to drive the isolation plate 43 to press against the left wall of the placing opening 42 to isolate the measurement cavity 12 from the outside, then the clamping plate 53 clamps the pins of the coil under the driving of the first electric push rod 19, the second motor 45 and the second electric push rod 48 to enable the coil to be electrified, the electromagnet 17 changes the size of the generated magnetic field under the action of the changed current to drive the permanent magnet 28 to move, the permanent magnet 28 drives the drawing pen 25 to draw a curve on a drawing sheet 62, meanwhile, the fourth motor 55 is started to drive the drawing sheet 62 to rotate to enable the drawing pen 25 to draw a clear and continuous curve on the drawing sheet 62, and simultaneously the infrared temperature detector 35 is started, the iron core in operation is aimed at under the pushing of the third electric push rod 33, the heating condition of each part of the iron core is detected, the part with high heating indicates that the iron core at the part is possibly damaged and short-circuited and needs to be replaced, and the staff can know whether the iron core is qualified or not by analyzing the curve on the drawing 62 and the image fed back by the infrared temperature detector 35.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A transformer detection device is characterized in that: the device comprises a machine body shell (11), a measuring cavity (12) is arranged in the machine body shell (11), a first connecting block (15) in sliding connection is arranged on the bottom wall of the measuring cavity (12), a moving assembly for controlling the first connecting block (15) to move is arranged on the bottom wall of the measuring cavity (12), an air bag (40) is fixedly arranged on the front wall of the first connecting block (15), heat insulation cotton (41) covers the surface of the air bag (40), a first air cavity (39) is arranged in the air bag (40), a supporting column (38) fixedly connected with the first connecting block (15) is arranged in the first air cavity (39), a second air cavity (37) is arranged in the supporting column (38), a plurality of air holes (36) penetrating through the supporting column (38) are formed in the side wall of the second air cavity (37), the second air cavity (37) is connected with an external air source through an air pipe (31), and an electronic control valve (32) is installed on the air pipe (31), measure position symmetry in the chamber (12) left and right walls and install first electric putter (19), first electric putter (19) output has set firmly second connecting block (20), be equipped with the clamping components that can press from both sides tight coil pin in second connecting block (20), it is equipped with and runs through to measure chamber (12) antetheca place mouthful (42) of engine body shell (11) front surface, be equipped with in placing mouthful (42) and cut off the gate subassembly of placing mouthful (42), it installs radiator (21) that runs through engine body shell (11) roof to measure chamber (12) roof, it is equipped with the determine module that can measure the iron core condition of generating heat to measure chamber (12) roof, it installs electro-magnet (17) to measure chamber (12) right-hand, electro-magnet (17) right-hand is equipped with removes chamber (26), be equipped with sliding connection's permanent magnet (28) in the removal chamber (26), lateral wall position symmetry is equipped with about permanent magnet (28) with remove chamber (26) lateral wall fixed connection's first spring (27), it is equipped with and runs through to remove chamber (26) roof first passageway (24) on engine body shell (11) surface, engine body shell (11) surface set firmly with first fixed block (23) that first passageway (24) position corresponds, be equipped with in first fixed block (23) with first passageway (24) are linked together and open forward drawing chamber (71), be equipped with in drawing chamber (71) from top to bottom position symmetry's reel (63), around having drawing (62) between reel (63), permanent magnet (28) upper wall be equipped with can with drawing pen (25) that drawing (62) support the pressure to be connected, be equipped with in drawing chamber (71) and to control reel (63) pivoted drive assembly, the front surface of the drawing cavity (71) is rotatably connected with a cover plate (70).

2. The transformer detection device according to claim 1, wherein: remove the subassembly including set up in measurement chamber (12) diapire and opening ascending first spout (29), first motor (30) are installed to first spout (29) back wall, terminal surface install before first motor (30) with first spout (29) antetheca rotates first screw rod (13) of being connected, threaded connection has on first screw rod (13) with first spout (29) sliding connection's first slider (14), first slider (14) with first connecting block (15) fixed connection.

3. The transformer detection device according to claim 1, wherein: clamping assembly including set up in second connecting block (20) and second spout (44) of upper and lower position symmetry, second spout (44) opening orientation gasbag (40), second spout (44) orientation install second motor (45) in the lateral wall of second spout (44) symmetry center, second motor (45) are kept away from the terminal surface of second spout (44) symmetry center install with second spout (44) lateral wall rotates second screw rod (46) of being connected, threaded connection has on second screw rod (46) with second spout (44) sliding connection's second slider (47), second slider (47) end set firmly with second connecting block (20) lateral wall sliding connection's third connecting block (18).

4. A transformer testing apparatus according to claim 3, wherein: a clamping cavity (16) with an opening facing the air bag (40) is arranged in the third connecting block (18), second electric push rods (48) with symmetrical positions are arranged in the upper wall and the lower wall of the clamping cavity (16), a second fixed block (49) is fixedly arranged at the output end of the second electric push rod (48), a buffer cavity (51) with an opening facing to the symmetric center of the second electric push rod (48) is arranged in the second fixed block (49), an insulating push rod (52) extending into the drawing cavity (71) is arranged in the buffer cavity (51) in a sliding manner, the side wall of the insulating push rod (52) is connected with the side wall of the buffer cavity (51) through a second spring (50), the tail end of the insulating push rod (52) is fixedly provided with a clamping plate (53), the clamping plate (53) on the right side is connected with the electromagnet (17) through an electric wire (22), and the clamping plate (53) on the left side is connected with a measuring power supply through the electric wire (22).

5. The transformer detection device according to claim 1, wherein: the gate assembly including set up in place in mouthful (42) right wall and opening storage chamber (66) to the left, it can with to slide in storage chamber (66) place mouthful (42) left wall and support division board (43) of pressing the connection, third motor (69) are installed to storage chamber (66) antetheca, first transmission shaft (68) are installed to third motor (69) rear end face, first transmission shaft (68) rear end is equipped with first pinion (67) admittedly, division board (43) upper surface set firmly with rack (65) of first pinion (67) meshing.

6. The transformer detection device according to claim 1, wherein: the detection assembly comprises a third electric push rod (33) which is arranged in the top wall of the measurement cavity (12) and located in front of the radiator (21), a fourth connecting block (34) is fixedly arranged at the output end of the third electric push rod (33), and an infrared temperature detector (35) is arranged in the rear of the fourth connecting block (34).

7. The transformer detection device according to claim 1, wherein: the driving assembly comprises an adjusting cavity (58) which is arranged in the left side wall and the right side wall of the drawing cavity (71) and has an opening facing the paper winding wheel (63), a sliding connection adjusting block (57) is arranged in the adjusting cavity (58), the upper surface of the adjusting block (57) is connected with the top wall of the adjusting cavity (58) through a third spring (59), a transmission cavity (56) is arranged in the left adjusting block (57), a fourth motor (55) is arranged in the left wall of the transmission cavity (56), a second transmission shaft (54) is arranged on the right end face of the fourth motor (55), a second straight gear (61) is fixedly arranged at the right end of the second transmission shaft (54), the right side left wall of the adjusting block (57) is rotatably provided with an upper position symmetry and a lower position symmetry and extends to a third transmission shaft (64) in the transmission cavity (56), the left end of the third transmission shaft (64) in the transmission cavity (56) is fixedly provided with a third straight gear (60) meshed with the second straight gear (61), the third transmission shaft (64) is fixedly connected with the paper winding wheel (63).