CN117825890A - Transformer fault detection device - Google Patents

Abstract

The invention belongs to the technical field of partial discharge detection of transformers, and particularly relates to a transformer fault detection device which comprises a waistband, wherein a protection box is fixedly arranged on one side of the waistband, a tightening rack is arranged at the front part of the waistband, a lug is fixedly arranged at the rear part of the waistband, a telescopic detection structure is arranged at the front part of the lug, the telescopic detection structure comprises a mounting disc and a semicircular groove, the mounting disc is fixedly arranged at the rear part of the lug, the semicircular groove is formed in the center of the top of the mounting disc, a control rod is arranged in the semicircular groove, and a sleeve is fixedly arranged at the top of the control rod. According to the transformer fault detection device, an operator can control the rotation angle of the ultrasonic probe through the left hand and the position of the ultrasonic probe through the right hand, and partial discharge detection can be carried out on each position of a transformer at a high position only through one operator, so that the practicability and the functionality of the device are improved.

Description

Transformer fault detection device

Technical Field

The invention relates to a transformer fault detection device, and belongs to the technical field of transformer partial discharge detection.

Background

The transformer is mainly used in a power system for changing voltage level to meet the requirements of power transmission, power distribution and use, and can realize voltage conversion from high voltage to low voltage or from low voltage to high voltage, so that electric energy can be effectively transmitted and distributed, and the voltage requirements of different electric equipment are met.

Chinese patent publication No. CN102967808A discloses a hand-held transformer partial discharge detection device, comprising: an ultrasonic sensor; a high-frequency current sensor; the data acquisition module is used for acquiring detection data according to the discharge signals and the high-frequency current pulse signals, wherein the detection data comprise ultrasonic sensor data and high-frequency current sensor data ", the partial discharge detection can be carried out on the transformer through an ultrasonic sensor, but the transformer is usually arranged at a high place far away from the ground, an operator can carry out fault detection on the transformer by climbing by aid of auxiliary tools such as a ladder, and certain potential safety hazards exist; moreover, it is difficult to detect each position of the transformer, and the detection is easy to be missed, which has a problem of low practicality.

Disclosure of Invention

The invention mainly aims to provide a transformer fault detection device which can effectively solve the technical problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the transformer fault detection device comprises a waistband, wherein a protection box is fixedly arranged on one side of the waistband, a tightening rack is arranged at the front part of the waistband, a bump is fixedly arranged at the rear part of the waistband, and a telescopic detection structure is arranged at the front part of the bump;

the utility model provides a flexible detection structure includes mounting disc and semicircle groove, mounting disc fixed mounting is at the rear portion of lug, the top central point of mounting disc puts is seted up to the semicircle groove, the control rod has been placed to the inside of semicircle groove, the top fixed mounting of control rod has the sleeve, the inside joint of protective case has ultrasonic measuring apparatu, ultrasonic measuring apparatu's top is close to one end position and installs the spiral hose, the one end fixed mounting of spiral hose has ultrasonic probe, the internally centralized position rotation of control rod installs the threaded rod, and the threaded rod runs through telescopic bottom, the bottom fixed mounting of threaded rod has driven bevel gear, driven bevel gear's outside meshing installs initiative bevel gear stick, and initiative bevel gear stick runs through the outer wall of control rod, the one end fixed mounting of initiative bevel gear stick has rotatory handle, the inside slidable mounting of sleeve has inner tube one, and the inside wall of inner tube one is matchd with the threaded rod adaptability, the inside is close to bottom central point position fixed mounting has hollow cylinder, hollow cylinder's outside is provided with the spacing collar, hollow cylinder's outside rotates the outside and installs the hollow seat, hollow seat inside is installed hollow seat inside the hollow seat, hollow seat both sides and is matchd the hollow seat, both sides have the hollow seat inside position fixed with the hollow seat, both sides.

As a further aspect of the present invention, the inner diameter of the hollow cylinder is equal to the outer diameter of the threaded rod, and the bottom of the control rod is spherical.

As a further scheme of the invention, a limiting ring is arranged at the position, close to the bottom, of the outer part of the threaded rod, the limiting ring is matched with the control rod in an adaptive manner, and a sponge sleeve is fixedly arranged at the outer part of the rotary handle.

As a further scheme of the invention, the top of the inner cylinder II is provided with a clamping and adjusting structure, the clamping and adjusting structure comprises a connecting rod and a ball seat, the connecting rod is fixedly arranged at the top of the inner cylinder II, the ball seat is fixedly arranged at the top of the connecting rod, a ball body is rotatably arranged in the ball seat, one end of the ball body is fixedly provided with a fixing plate, a first vertical plate and a second vertical plate are fixedly arranged at positions, close to two sides, of the top of the fixing plate, two sliding rods are slidably arranged in the first vertical plate, an inserting block is fixedly arranged at one end of the sliding rod, the inserting block is in adaptive matching with the second vertical plate, and a fixing spring is wound outside the sliding rod.

As a further scheme of the invention, one end of the fixed spring is fixedly arranged outside the insertion block, and the other end of the fixed spring is fixedly arranged at the rear part of the first vertical plate.

As a further scheme of the invention, the insert block is -shaped, and anti-skid pads are fixedly arranged on the close sides of the insert block and the first vertical plate.

As a further scheme of the invention, a supporting structure is arranged at a position, close to one side, of the top of the waistband, the supporting structure comprises a fixing rod and a supporting rod, the fixing rod is fixedly arranged at a position, close to one side, of the top of the waistband, the supporting rod is fixedly arranged at a position, close to the top, of the rear part of the fixing rod, a sliding rod is slidably arranged outside the supporting rod, a return spring is arranged between the sliding rod and the supporting rod, a rotating block is fixedly arranged at the rear part of the sliding rod, the rotating rod is rotatably connected with the inside of the rotating block through a rotating shaft, a connecting rod is fixedly arranged at a position, close to the top, of one side of the rotating rod, one end of the connecting rod is fixedly provided with a fixing clip, the fixing clip is in adaptive matching with a sleeve, damping pads are fixedly arranged at two side positions inside the fixing clip, and a supporting plate is fixedly arranged at a position, close to the middle position, close to the top of the sliding rod.

As a further scheme of the invention, one end of the return spring is fixedly arranged at the rear part of the supporting rod, and the other end of the return spring is fixedly arranged in the sliding rod and close to one end.

As a further scheme of the invention, the supporting plate is arc-shaped, and arc-shaped cushions are fixedly arranged at the positions, close to the bottoms, of the two sides of the outer part of the rotating rod.

As a further scheme of the invention, a limiting block is arranged outside the driving bevel gear rod, and the limiting block is adaptively matched with the inner wall of the control rod.

Compared with the prior art, the invention has the following beneficial effects:

through setting up flexible detection structure and centre gripping regulation structure, can be through font inserted block and riser cooperation, fix ultrasonic probe on the fixed plate, ensure that ultrasonic probe's position is accurate and stable, in order to obtain reliable partial discharge detection data, operating personnel can drive inner tube one and inner tube two and slide in the sleeve inside through the rotatory handle of right hand, make ultrasonic probe can the lifting and contact with the transformer outer wall of eminence, carry out partial discharge detection to the transformer, judge whether the insulating medium of transformer appears ageing phenomenon, whether there is the region of dielectric strength too high, the practicality of the device has been strengthened;

the control rod is contacted with the semicircular groove, so that a fulcrum is arranged at the bottom of the sleeve, shaking or vibration caused by hand actions of an operator is reduced, the ultrasonic probe is more stable in the detection process, the control rod can provide better control touch feeling and help the operator to control the ultrasonic probe, the operator can more accurately adjust and operate the ultrasonic probe to realize more accurate partial discharge detection, the ultrasonic probe can be in stable contact with the outside of the transformer, clearer ultrasonic signals are obtained, and the accuracy and reliability of partial discharge detection are improved;

the ultrasonic probe is lifted continuously by rotating the handle, so that an operator can detect a transformer erected at a high position on the ground without climbing auxiliary tools such as a ladder, potential safety risks are reduced, accidents possibly caused when the operator climbs high-position equipment are avoided, partial discharge detection of the high-position transformer can be completed by only one person, operation efficiency is improved, labor cost is reduced, and work organization and coordination are facilitated;

through setting up bearing structure, lift to operating personnel's forearm through the backup pad for the atress of whole device mainly concentrates on the waist, prevents that the long-time lifting of forearm from acid to expand the ultrasonic probe that leads to from rocking, and the operating personnel of being convenient for is fixed to telescopic higher position centre gripping through the fixation clamp to the fine control of whole device, and controls the rotation of fixation clamp through the left hand, can make things convenient for the operating personnel to adjust to ultrasonic probe gradient, adapts to different transformer installation conditions, can laminate the outside curved surface of transformer better like this, improves partial discharge detection's accuracy and reliability;

through the cooperation of operating personnel left hand and right hand, can realize that ultrasonic probe carries out lifting and tilting operation simultaneously, do not need extra instrument or personnel to support, simplified operation flow, reduced the complexity of operation, improved the convenience and the efficiency of operation to operating personnel can wear the device and remove, realize the partial discharge detection to the transformer different positions, can conveniently carry out partial discharge detection in the transformer different positions, improved operating personnel's flexibility and work efficiency, and reduce misjudgement and missed detection's possibility.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a transformer fault detection device according to the present invention;

fig. 2 is a schematic diagram of a telescopic detection structure of the transformer fault detection device according to the present invention;

FIG. 3 is a partial cutaway view of a telescopic detection structure of the transformer fault detection device according to the present invention;

FIG. 4 is an exploded view of a rotating base and a hollow cylinder of a transformer fault detection device according to the present invention;

fig. 5 is a schematic diagram of the structure of a threaded rod and a hollow screw rod of the transformer fault detection device according to the present invention;

FIG. 6 is a partial cutaway view of a clamping adjustment structure of a transformer fault detection device according to the present invention;

FIG. 7 is a partial cutaway view of a support structure of a transformer fault detection device according to the present invention;

fig. 8 is a schematic diagram of an operating state of the transformer fault detection device according to the present invention.

In the figure: 1. a waistband; 2. a protective case; 3. tightening the rack; 4. a bump; 5. a telescopic detection structure; 6. a mounting plate; 7. a semicircular groove; 8. a control lever; 9. a sleeve; 10. an ultrasonic measuring instrument; 11. a spiral hose; 12. an ultrasonic probe; 13. a threaded rod; 14. a driven bevel gear; 15. a driving bevel gear bar; 16. rotating the handle; 17. an inner cylinder I; 18. a hollow cylinder; 19. a limit ring; 20. a rotating seat; 21. a hollow screw rod; 22. an inner cylinder II; 23. a clamping and adjusting structure; 24. a connecting rod; 25. a ball seat; 26. a sphere; 27. a fixing plate; 28. a first vertical plate; 29. a second vertical plate; 30. a slide bar; 31. inserting blocks; 32. a fixed spring; 33. a support structure; 34. a fixing rod; 35. a support rod; 36. a sliding bar; 37. a return spring; 38. a rotating block; 39. a rotating lever; 40. a connecting rod; 41. a fixing clamp; 42. a damping pad; 43. and a support plate.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-8, a transformer fault detection device comprises a waistband 1, wherein a protection box 2 is fixedly arranged on one side of the waistband 1, a tightening rack 3 is arranged at the front part of the waistband 1, a lug 4 is fixedly arranged at the rear part of the waistband 1, and a telescopic detection structure 5 is arranged at the front part of the lug 4;

the telescopic detection structure 5 comprises a mounting disc 6 and a semicircular groove 7, the mounting disc 6 is fixedly mounted at the rear part of the protruding block 4, the semicircular groove 7 is formed in the center position of the top of the mounting disc 6, a control rod 8 is placed inside the semicircular groove 7, a sleeve 9 is fixedly mounted at the top of the control rod 8, an ultrasonic measuring instrument 10 is connected to the inner clamping part of the protection box 2 in a clamping mode, a spiral hose 11 is mounted at the top of the ultrasonic measuring instrument 10 near one end position, an ultrasonic probe 12 is fixedly mounted at one end of the spiral hose 11, a threaded rod 13 is rotatably mounted at the inner center position of the control rod 8, the threaded rod 13 penetrates through the bottom of the sleeve 9, a driven bevel gear 14 is fixedly mounted at the bottom of the threaded rod 13, a driving bevel gear rod 15 is mounted at the outer meshing part of the driven bevel gear rod 14, a rotating handle 16 penetrates through the outer wall of the control rod 8, a rotating one end of the driving bevel gear rod 15 is fixedly mounted with a rotating handle 16, a first inner cylinder 17 is mounted in a sliding mode, the inner wall of the bottom of the first inner cylinder 17 is adaptively matched with the threaded rod 13, a hollow cylinder 18 is fixedly mounted at the inner center position near the bottom of the top of the inner cylinder, a limit ring 19 is arranged outside the hollow cylinder 18, a limit seat 19 is mounted at the inner side of the inner cylinder 18, a limit seat 21 is rotatably mounted at the inner side of the inner wall of the inner cylinder 17 is matched with the hollow seat 21, two sides of the hollow seat 21 is fixedly mounted at the two sides of the limit seat 20, and two sides of the limit seat is fixedly mounted on the two sides of the hollow seat 20 are fixedly mounted on the two side of the limit seat, and the two sides of the limit seat is fixedly mounted on the two side of the hollow seat is fixedly mounted inside limit seat.

In this embodiment, the inner diameter of the hollow cylinder 18 is equal to the outer diameter of the threaded rod 13, and the bottom of the control rod 8 is spherical.

The waist belt 1 can be worn on the waist of an operator through tightening the rack 3, the ultrasonic measuring instrument 10 is clamped inside the protection box 2, the threaded rod 13 can be driven to rotate inside the sleeve 9 through rotating the rotary handle 16, and the inner wall of the bottom of the inner cylinder I17 is adaptively matched with the threaded rod 13, so that the inner cylinder I17 can be driven to slide inside the sleeve 9 through rotation of the threaded rod 13.

In this embodiment, a limiting ring is arranged at a position close to the bottom outside the threaded rod 13, and is adaptively matched with the control rod 8, and a sponge sleeve is fixedly arranged outside the rotary handle 16.

Through the spacing of the inside both sides position fixed mounting of hollow lead screw 21, with the cooperation of the spacing groove of seting up usefulness in the outside both sides position of threaded rod 13, can drive hollow lead screw 21 and rotate at threaded rod 13 rotatory in-process, and then can drive the externally mounted inner tube second 22 of hollow lead screw 21 for inner tube second 22 can slide in sleeve 9's inside.

In this embodiment, the top of the second inner cylinder 22 is provided with a clamping and adjusting structure 23, the clamping and adjusting structure 23 includes a connecting rod 24 and a ball seat 25, the connecting rod 24 is fixedly installed at the top of the second inner cylinder 22, the ball seat 25 is fixedly installed at the top of the connecting rod 24, a ball 26 is rotatably installed in the ball seat 25, one end of the ball 26 is fixedly installed with a fixing plate 27, a first vertical plate 28 and a second vertical plate 29 are fixedly installed at positions, close to two sides, of the top of the fixing plate 27, two sliding rods 30 are slidably installed in the first vertical plate 28, an inserting block 31 is fixedly installed at one end of the sliding rod 30, the inserting block 31 is adaptively matched with the second vertical plate 29, and a fixing spring 32 is wound outside the sliding rod 30.

The direction of the fixing plate 27 can be adjusted by adjusting the position of the ball 26 in the ball seat 25, the sliding rod 30 is pulled to drive the insert block 31 to compress the fixing spring 32, so that the -shaped insert block 31 is opened, the ultrasonic probe 12 can be placed between the insert block 31 and the vertical plate two 29, the sliding rod 30 is loosened, the insert block 31 is reset under the elastic force of the fixing spring 32, and the ultrasonic probe 12 is fixed.

In this embodiment, one end of the fixed spring 32 is fixedly mounted on the outside of the insert block 31, and the other end of the fixed spring 32 is fixedly mounted on the rear portion of the first riser 28.

The fixing spring 32 may provide an elastic force so that the insert block 31 may fix the ultrasonic probe 12 between the insert block 31 and the second riser 29.

In this embodiment, the insert 31 is -shaped, and the anti-slip pads are fixedly mounted on the adjacent sides of the insert 31 and the first riser 28.

The insert 31 is -shaped, so that the ultrasonic probe 12 can be prevented from falling forwards, the anti-slip pads are fixedly arranged on the adjacent sides of the insert 31 and the first vertical plate 28, and friction force can be provided to help to fix the ultrasonic probe 12.

In this embodiment, the top of the waistband 1 is close to a side position and is provided with a supporting structure 33, the supporting structure 33 comprises a fixing rod 34 and a supporting rod 35, the fixing rod 34 is fixedly installed at the top of the waistband 1 and is close to a side position, the supporting rod 35 is fixedly installed at the rear part of the fixing rod 34 and is close to a top position, a sliding rod 36 is slidably installed outside the supporting rod 35, a return spring 37 is arranged between the sliding rod 36 and the supporting rod 35, a rotating block 38 is fixedly installed at the rear part of the sliding rod 36, a rotating rod 39 is rotatably connected to the inside of the rotating block 38 through a rotating shaft, a connecting rod 40 is fixedly installed at the position, close to the top, of one side of the rotating rod 39, one end of the connecting rod 40 is fixedly installed with a fixing clip 41, the fixing clip 41 is in adaptive matching with the sleeve 9, damping pads 42 are fixedly installed at two side positions inside the fixing clip 41, and a supporting plate 43 is fixedly installed at the position, close to the middle position, close to the top of the sliding rod 36.

The outside of the sleeve 9 can be supported near the top by the fixing clip 41, and the operator can adjust the angle of the sleeve 9 by placing the small arms on the supporting plate 43 and holding the arc cushions near the bottom on both sides of the outside of the rotating rod 39, by sliding the sliding rod 36 on the supporting rod 35, and by controlling the rotation of the rotating rod 39, so that the ultrasonic probe 12 fixed by the clamping and adjusting structure 23 can be adsorbed to the outer wall of the transformer to be detected.

In this embodiment, one end of the return spring 37 is fixedly installed at the rear of the support rod 35, and the other end of the return spring 37 is fixedly installed inside the slide bar 36 near one end.

In this embodiment, the support plate 43 is arc-shaped, and arc-shaped cushions are fixedly mounted on the two sides of the outer part of the rotating rod 39 near the bottom.

The support plate 43 is arc-shaped, can laminate operating personnel's forearm, and the outside both sides of dwang 39 are close to the equal fixed mounting of bottom position and have arc cushion, can help operating personnel to hold dwang 39, make things convenient for operating personnel to the control of dwang 39.

In this embodiment, a limiting block is disposed outside the driving bevel gear rod 15, and the limiting block is adaptively matched with the inner wall of the control rod 8.

The stopper is adaptively matched with the inner wall of the control rod 8, so that an operator can be prevented from separating the driving bevel gear rod 15 from the inner wall of the control rod 8 when the driving bevel gear rod 15 is rotated by the rotating handle 16.

It should be noted that, in the use of the transformer fault detection device, the waistband 1 is wound on the waist of an operator, the waistband 1 can be tightened by tightening the rack 3, then the ultrasonic measuring instrument 10 is clamped in the protection box 2, the sleeve 9 is slid to the opening of the fixing clamp 41 and lifted up, so that the bottom of the control rod 8 is separated from the inside of the semicircular groove 7, and the sleeve 9 is removed;

then, an operator can adjust the orientation of the fixing plate 27 by adjusting the position of the ball 26 in the ball seat 25, so that the fixing plate 27 is positioned in a required orientation, the position of the ball 26 is fixed by a bolt, the sliding rod 30 is pulled to drive the insert block 31 to compress the fixing spring 32, the -shaped insert block 31 is opened, at the moment, the operator places the ultrasonic probe 12 between the insert block 31 and the vertical plate two 29, and releases the sliding rod 30, so that the insert block 31 is reset under the elastic force of the fixing spring 32, and the ultrasonic probe 12 is fixed between the insert block 31 and the vertical plate two 29 by the -shaped insert block 31;

after the ultrasonic probe 12 is installed, the bottom of the control rod 8 is placed in the semicircular groove 7 again, the outer part of the sleeve 9 is clamped in the fixing clamp 41, the damping pad 42 on the inner side of the fixing clamp 41 is tightly contacted with the sleeve 9, an operator places the left small arm on the supporting plate 43, holds arc-shaped cushions on two sides of the outer part of the rotating rod 39, which are close to the bottom, with the left hand, and the operator can rotate the rotating rod 39 with the left hand;

at this time, the right hand of the operator holds the rotary handle 16, the rotary handle 16 is rotated, so that the driving bevel gear rod 15 drives the driven bevel gear 14 to rotate, and then drives the threaded rod 13 to rotate in the sleeve 9, because the bottom inner wall of the first inner cylinder 17 is adaptively matched with the threaded rod 13, the first inner cylinder 17 can be driven to slide in the sleeve 9 through the rotation of the threaded rod 13, the hollow screw rod 21 can be driven to rotate in the rotating process of the threaded rod 13 through the cooperation of the limiting grooves formed in the two inner side positions of the hollow screw rod 21, and then the second inner cylinder 22 which is externally mounted on the hollow screw rod 21 can be driven, so that the second inner cylinder 22 drives the clamping and adjusting structure 23 to continuously rise, the clamping and adjusting structure 23 can be controlled to descend through reversing the rotary handle 16, so as to control the position of the ultrasonic probe 12, and fault detection is performed on the transformer at a high position;

in the process of controlling the ultrasonic probe 12 to ascend, an operator can push the sliding rod 36 to slide on the supporting rod 35 through the left small arm, and can control the rotation of the rotating rod 39 through the left hand, and can adjust the angle of the sleeve 9 through the fixing clamp 41, so that the ultrasonic probe 12 fixed by the clamping adjusting structure 23 can be adsorbed with the outer wall of the transformer to be detected, and can control the position of the ultrasonic probe 12 on the outer wall of the transformer through rotating the rotating handle 16 by the right hand, so that whether partial discharge exists at different positions of the transformer is measured, and whether insulation aging phenomenon of the transformer occurs is observed.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a transformer fault detection device, includes waistband (1), one side fixed mounting of waistband (1) has protection box (2), tightening rack (3) are installed to the front portion of waistband (1), the rear portion fixed mounting of waistband (1) has lug (4), its characterized in that, the front portion of lug (4) is provided with flexible detection structure (5);

the telescopic detection structure (5) comprises a mounting disc (6) and a semicircular groove (7), the mounting disc (6) is fixedly arranged at the rear part of the protruding block (4), the semicircular groove (7) is formed in the center of the top of the mounting disc (6), a control rod (8) is arranged in the semicircular groove (7), a sleeve (9) is fixedly arranged at the top of the control rod (8), an ultrasonic measuring instrument (10) is clamped in the protective box (2), a spiral hose (11) is arranged at the top of the ultrasonic measuring instrument (10) close to one end, an ultrasonic probe (12) is fixedly arranged at one end of the spiral hose (11), a threaded rod (13) is rotatably arranged at the center of the inner part of the control rod (8), the bottom of the threaded rod (13) penetrates through the bottom of the sleeve (9), a driven bevel gear (14) is fixedly arranged at the bottom of the threaded rod (13), a driving bevel gear rod (15) is arranged at the outer part of the driven bevel gear (14) in a meshed mode, the driving bevel gear rod (15) penetrates through the outer wall of the control rod (8), an inner driving bevel gear rod (16) is fixedly arranged at one end of the threaded rod (17), a sliding sleeve (17) is fixedly arranged at one end of the inner cylinder (17), the novel hollow screw rod is characterized in that a hollow cylinder (18) is fixedly arranged inside the first inner cylinder (17) near the center of the bottom, a limit ring (19) is arranged outside the hollow cylinder (18), a rotating seat (20) is rotatably arranged outside the hollow cylinder (18), a hollow screw rod (21) is fixedly arranged at the top of the rotating seat (20), an inner cylinder II (22) is arranged outside the hollow screw rod (21), limit strips are fixedly arranged at two sides of the hollow screw rod (21), limit grooves are formed in two sides of the threaded rod (13), and the limit strips are matched with the limit grooves in an adaptive mode.

2. The transformer fault detection device of claim 1, wherein: the inner diameter of the hollow cylinder (18) is equal to the outer diameter of the threaded rod (13), and the bottom of the control rod (8) is spherical.

3. The transformer fault detection device of claim 1, wherein: the outside of threaded rod (13) is close to the bottom position and is provided with the spacing ring, and spacing ring and control rod (8) adaptability match, the outside fixed mounting of rotatory handle (16) has the sponge cover.

4. The transformer fault detection device of claim 1, wherein: the utility model discloses a novel structure of inner tube two, including barrel two (22), the top of inner tube two (22) is provided with centre gripping regulation structure (23), centre gripping regulation structure (23) include connective bar (24) and ball seat (25), connective bar (24) fixed mounting is at the top of inner tube two (22), ball seat (25) fixed mounting is at the top of connective bar (24), ball (26) are installed in the inside rotation of ball seat (25), the one end fixed mounting of ball (26) has fixed plate (27), the top of fixed plate (27) is close to both sides position fixed mounting respectively has riser one (28) and riser two (29), the inside slidable mounting of riser one (28) has two slide bar (30), the one end fixed mounting of slide bar (30) has inserted block (31), and inserted block (31) and riser two (29) adaptability match, the outside winding of slide bar (30) has fixed spring (32).

5. The transformer fault detection device of claim 4, wherein: one end of the fixed spring (32) is fixedly arranged outside the inserting block (31), and the other end of the fixed spring (32) is fixedly arranged at the rear part of the first vertical plate (28).

6. The transformer fault detection device of claim 4, wherein: the insert block (31) is -shaped, and anti-slip pads are fixedly arranged on the close sides of the insert block (31) and the first vertical plate (28).

7. The transformer fault detection device of claim 1, wherein: the utility model discloses a waistband, including waistband (1), top and bottom, waistband (1) are provided with bearing structure (33) near one side position, bearing structure (33) are including dead lever (34) and bracing piece (35), dead lever (34) fixed mounting is near one side position at the top of waistband (1), bracing piece (35) fixed mounting is near the top position at the rear portion of dead lever (34), the outside slidable mounting of bracing piece (35) has slide bar (36), be provided with reset spring (37) between slide bar (36) and bracing piece (35), the rear portion fixed mounting of slide bar (36) has dwang (38), the inside of dwang (38) is connected with dwang (39) through the pivot rotation, one side of dwang (39) is near top position fixed mounting has connecting rod (40), one end fixed mounting of connecting rod (40) has fixation clamp (41), and fixation clamp (41) and sleeve (9) adaptation match, the inside both sides position of fixation clamp (41) is fixed mounting has damping pad (42), the top of slide bar (36) is close to middle position and is fixed mounting has backup pad (43).

8. The transformer fault detection device of claim 7, wherein: one end of the return spring (37) is fixedly arranged at the rear part of the supporting rod (35), and the other end of the return spring (37) is fixedly arranged at the position, close to one end, inside the sliding rod (36).

9. The transformer fault detection device of claim 7, wherein: the support plate (43) is arc-shaped, and arc-shaped cushions are fixedly arranged at the positions, close to the bottoms, of the two sides of the outer part of the rotating rod (39).

10. The transformer fault detection device of claim 1, wherein: the outside of initiative awl gear stick (15) is provided with the stopper, and the stopper is matchd with the inner wall adaptability of control lever (8).