Transformer iron core discharge detection device and detection method thereof

Abstract

The invention discloses a transformer iron core discharge detection device and a detection method thereof, and relates to the technical field of discharge detection. The transformer iron core discharge detection device comprises a supporting rod, an auxiliary unit, a lifting unit and an adjusting unit, the auxiliary unit sleeves the outer side of the supporting rod, the lifting unit sleeves the outer side of the supporting rod and is located above the auxiliary unit, the adjusting unit is inserted into the lifting unit, and the adjusting unit comprises an insertion block, a clamping block and a clamping block, the inserting block is inserted into the outer side of the lifting unit; the transverse moving assembly is connected to the outer side of the inserting block in a clamped mode. According to the transformer iron core discharge detection device and the detection method thereof, the adjusting unit is arranged, the adjusting unit is provided with the interval adjusting assembly, the adjusting rods can be adjusted at equal intervals, operation is convenient and labor-saving, the interval adjustment can adapt to transformers of different specifications, and the transformer iron core discharge detection device can be conveniently used.

Description

Technical Field

[0001] The present invention relates to the technical field of discharge detection, and in particular to a transformer core discharge detection device and a detection method thereof. Background Art

[0002] The transformer core is the main magnetic circuit part of the transformer. It is usually made of hot-rolled or cold-rolled silicon steel sheets with a high silicon content and coated with insulating paint. The core and the coil wound on it together form a complete electromagnetic induction system. The power transmitted by the transformer depends on the material and cross-sectional area of ​​the core. The main material of the transformer core is silicon steel sheet. Silicon steel is used as the core of the transformer because silicon steel itself is a magnetic material with strong magnetic conductivity and can generate a large magnetic induction intensity in the energized coil.

[0003] The principle of transformer core discharge is based on electromagnetic induction and partial discharge. The main function of the transformer core is to conduct magnetism and form a magnetic circuit, so that electric energy can be converted through the magnetic field. In the process of discharging the transformer core, the current change in the core is detected to detect whether the core is damaged. The general method of detecting the transformer core is through large-scale detection equipment or manual detection. The structure of large-scale detection equipment is complex and difficult to operate, and the accuracy of manual detection is not high. Both methods cannot meet the requirements of outdoor detection of transformer core.

[0004] Existing detection methods include: large-scale detection equipment and manual detection. The structure of large-scale detection equipment is complex and difficult to operate, and the manual detection accuracy is not high. These two methods cannot meet the requirements of outdoor detection of transformer core. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a transformer core discharge detection device and a detection method thereof, which solve the existing detection methods: large-scale detection equipment and manual detection. The large-scale detection equipment has a complex structure and is difficult to operate, and the manual detection accuracy is low. Both methods cannot meet the problem of outdoor detection of the transformer core.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A transformer core discharge detection device, comprising a support rod, an auxiliary unit, a lifting unit and an adjustment unit, wherein the auxiliary unit is sleeved on the outside of the support rod, the lifting unit is sleeved on the outside of the support rod and located above the auxiliary unit, the adjustment unit is plugged into the lifting unit, and the adjustment unit comprises: An insert block, the insert block is inserted into the outside of the lifting unit; A transverse movement assembly, the transverse movement assembly is clamped on the outside of the plug block, and the transverse movement assembly can move laterally on the plug block; A spacing adjustment component, wherein the spacing adjustment component is arranged outside the transverse movement component, and an adjustment slot is provided on the spacing adjustment component, and an anchor rod is inserted into the adjustment slot, and the adjustment slot can drive the anchor rod to adjust the spacing equally; The telescopic probe rod can be adjusted to adapt to the sizes of transformer heat sinks of different specifications.

[0007] Preferably, the support rod comprises: A base, wherein a plug-in block is arranged on the top of the base; A connecting rod, the connecting rod is plugged into the inner side of the plug-in block, a positioning rod is arranged on the connecting rod, a clamping head is arranged on the top of the connecting rod, a clamping sleeve corresponding to the clamping head is arranged on the bottom of the positioning rod, and the clamping sleeve is clamped on the outer side of the clamping head; An extension rod is inserted into the top of the positioning rod, and an anti-floating block is inserted into the top of the extension rod, and the anti-floating block can limit the rising height of the lifting unit.

[0008] Preferably, the auxiliary unit comprises: A sleeve joint, wherein a clamping block is arranged on the sleeve joint, a rotating shaft rod is arranged inside the clamping block, and a fixing sleeve hole is opened on the sleeve joint, and the fixing sleeve hole is sleeved on the outside of the positioning rod; A rotating rod, the rotating rod is sleeved on the outside of the rotating shaft rod, a positioning bolt is inserted into the outside of the rotating rod, an adjusting telescopic rod is inserted into the inside of the rotating rod, the adjusting telescopic rod abuts against the positioning bolt, a stop block is provided at the end of the adjusting telescopic rod, and a binding strap is inserted into the inside of the stop block.

[0009] Preferably, the lifting unit comprises: A lifting shell, wherein a plurality of lifting wheels are arranged inside the lifting shell, a rotating shaft is inserted inside the lifting wheel, the rotating shaft is inserted on the lifting shell, the rotating shaft has a group of transmission gears sleeved on the outer side and connected to a lifting motor, the transmission gear is located on the outer side of the lifting shell, the outer side of the lifting motor is connected to a fixing frame fixedly connected to the outer side of the lifting shell, the rotating shaft has a group of linkage gears sleeved on the outer side, and the linkage gear is meshed and connected with the transmission gear; A plug-in sleeve is plugged with a positioning pin.

[0010] Preferably, the plug block is inserted into the inner side of the plug sleeve, a plug hole is provided on the plug block, the plug hole is sleeved on the outer side of the positioning pin, a cross bar is fixedly provided on the outer side of the plug block, sliding grooves are provided on the upper and lower surfaces of the cross bar, and anti-slip plates are provided at both ends of the cross bar.

[0011] Preferably, a power shaft is plugged into the transverse movement component, the power shaft is connected to a power motor, a power wheel is sleeved on the power shaft, the power wheel is located on the outside of the transverse movement component and is clamped in the slide groove on the lower side of the transverse bar, a support shaft is provided on the outside of the transverse movement component, an auxiliary wheel is sleeved on the outside of the support shaft, the auxiliary wheel is clamped in the inner side of the slide groove on the upper side of the transverse bar, an electric telescopic rod is plugged into the inside of the transverse movement component, a sliding bracket is provided at the output end of the electric telescopic rod, an adjusting bolt is plugged into the sliding bracket, and a fixing rod is provided at the output end of the electric telescopic rod.

[0012] Preferably, the spacing adjustment component is clamped on the inner side of the sliding bracket, a lifting slot is provided on the spacing adjustment component, the lifting slot is sleeved on the outer side of the electric telescopic rod, a connecting plate is provided on the outer side of the spacing adjustment component, and the connecting plate is sleeved on the outer side of the adjusting bolt.

[0013] Preferably, the adjusting rod and the fixing rod are in the same horizontal plane, and a sliding sleeve hole is provided on the adjusting rod, and the sliding sleeve hole is sleeved on the outer side of the sliding bracket.

[0014] Preferably, an ultrasonic sensor is plugged into the end of the telescopic probe rod.

[0015] A detection method for a transformer core discharge detection device, the detection method comprising the following steps: The first step is to place the support pole at a suitable distance from the transformer so that the support pole is perpendicular to the ground; The second step is to sleeve the auxiliary unit on the outside of the support pole and fix the auxiliary unit to the pole on which the transformer is installed to provide stable support for the support pole; The third step is to put the lifting unit on the support rod and then fully assemble the support rod; The fourth step is to splice the adjustment unit onto the lifting unit and use the spacing adjustment component to adjust the adjustment unit to suit the transformer to be tested.

[0016] The present invention discloses a transformer core discharge detection device and a detection method thereof, which have the following beneficial effects: A support rod is provided, and an extension rod is provided on the support rod so that the support rod can be extended according to different usage conditions, thereby facilitating the use of the transformer core discharge detection device; An auxiliary device is provided, and the auxiliary device is used to sleeve the support rod and the electric pole for erecting the transformer to form a stable triangular support, which is convenient for the use of the transformer core discharge detection device; A lifting device is provided, and the lifting device is used to realize that the transformer core discharge detection device can be adjusted in height to adapt to transformers installed at different heights and detect the transformer core; An adjustment unit is provided, and a spacing adjustment component is provided on the adjustment unit, so that the adjustment rods can be adjusted to equal spacing, which is convenient and labor-saving to operate, and the spacing adjustment can adapt to transformers of different specifications, facilitating the use of the transformer core discharge detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the support rod of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the support rod of the present invention; Figure 4 It is a structural schematic diagram of the auxiliary unit of the present invention; Figure 5 It is a structural schematic diagram of the sleeve joint of the present invention; Figure 6 It is a structural schematic diagram of the lifting unit of the present invention; Figure 7 It is a schematic diagram of the rear structure of the lifting unit of the present invention; Figure 8 It is a schematic cross-sectional structure diagram of the lifting unit of the present invention; Fig. 9 It is a structural schematic diagram of the regulating unit of the present invention; Fig.10 It is a structural schematic diagram of the adjusting cross bar of the present invention; Fig.11 It is a structural schematic diagram of the transverse shift assembly of the present invention; Fig.12 It is a structural schematic diagram of the spacing adjustment component of the present invention; Fig.13 It is a structural schematic diagram of the adjusting rod of the present invention.

[0019] In the figure: 1, support rod; 11, base; 111, plug-in block; 12, connecting rod; 121, positioning rod; 123, clamp head; 124, clamping sleeve; 13, extension rod; 131, anti-fleet block; 2. Auxiliary unit; 21. Sleeve joint; 211. Clamp; 212. Rotating shaft rod; 213. Fixed sleeve hole; 22. Rotating rod; 221. Positioning bolt; 222. Adjustable telescopic rod; 223. Stop block; 224. Binding strap; 3. Lifting unit; 31. Lifting shell; 311. Lifting wheel; 312. Rotating shaft; 313. Transmission gear; 314. Lifting motor; 315. Fixed frame; 316. Linkage gear; 32. Connecting sleeve; 321. Positioning pin; 4. Adjustment unit; 41. Insert block; 411. Socket; 412. Crossbar; 413. Slide; 414. Anti-slip plate; 42. Transverse shift assembly; 421. Power shaft; 422. Power wheel; 423. Auxiliary wheel; 424. Electric telescopic rod; 425. Sliding bracket; 426. Adjustment bolt; 427. Fixed rod; 43. Spacing adjustment assembly; 431. Lifting slot; 432. Adjustment slot; 433. Connecting plate; 434. Adjustment rod; 4341. Sliding sleeve hole; 4342. Anchor rod; 44. Telescopic probe rod; 441. Ultrasonic sensor. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The embodiments of the present application provide a transformer core discharge detection device and a detection method thereof, which solve the existing detection methods: large-scale detection equipment and manual detection. The large-scale detection equipment has a complex structure and is difficult to operate, and the manual detection accuracy is low. Both methods cannot meet the problem of outdoor transformer core detection. The present application can achieve discharge detection of indoor transformer cores.

[0022] The embodiment of the invention discloses a transformer core discharge detection device and a detection method thereof. Example

[0023] According to the attached Figure 1-13 As shown, it includes a support rod 1, an auxiliary unit 2, a lifting unit 3 and an adjustment unit 4, the auxiliary unit 2 is sleeved on the outside of the support rod 1, the lifting unit 3 is sleeved on the outside of the support rod 1 and is located above the auxiliary unit 2, and the adjustment unit 4 is plugged into the lifting unit 3. The adjustment unit 4 includes: Insert block 41, which is inserted into the outside of lifting unit 3; A transverse moving assembly 42, which is clamped on the outside of the plug block 41, and can move transversely on the plug block 41; The spacing adjustment component 43 is arranged outside the transverse movement component 42. The spacing adjustment component 43 is provided with an adjustment slot 432. An anchor rod 4342 is inserted into the adjustment slot 432. The adjustment slot 432 can drive the anchor rod 4342 to adjust the spacing equally; The telescopic probe rod 44 can be telescopically adjusted to adapt to the sizes of transformer heat sinks of different specifications.

[0024] A support rod 1 is provided, and an extension rod 13 is provided on the support rod 1 to extend the support rod 1 according to different usage conditions, so as to facilitate the use of the transformer core discharge detection device; an auxiliary device 2 is provided, and the auxiliary device 2 is used to sleeve the support rod 1 and the electric pole for erecting the transformer to form a stable triangular support, so as to facilitate the use of the transformer core discharge detection device; a lifting device 3 is provided, and the lifting device 3 is used to realize that the transformer core discharge detection device can be height-adjusted to adapt to transformers erected at different heights and to detect the transformer core; an adjustment unit 4 is provided, and a spacing adjustment component 43 is provided on the adjustment unit 4, so as to adjust the adjustment rod 434 to equal spacing, which is convenient and labor-saving to operate, and the spacing adjustment can adapt to transformers of different specifications, so as to facilitate the use of the transformer core discharge detection device.

[0025] Furthermore, the support rod 1 comprises: A base 11, with a plug-in block 111 disposed on the top of the base 11; The connecting rod 12 is plugged into the inner side of the plug-in block 111. A positioning rod 121 is provided on the connecting rod 12. A clamping head 123 is provided on the top of the connecting rod 12. A clamping sleeve 124 corresponding to the clamping head 123 is provided on the bottom of the positioning rod 121. The clamping sleeve 124 is clamped on the outer side of the clamping head 123. The extension rod 13 is inserted into the top of the positioning rod 121 , and an anti-floating block 131 is inserted into the top of the extension rod 13 . The anti-floating block 131 can limit the rising height of the lifting unit 3 .

[0026] Furthermore, the auxiliary unit 2 comprises: The sleeve joint 21 is provided with a clamping block 211, a rotating shaft rod 212 is provided inside the clamping block 211, and a fixing sleeve hole 213 is provided on the sleeve joint 21, and the fixing sleeve hole 213 is sleeved on the outside of the positioning rod 121; The rotating rod 22 is sleeved on the outside of the rotating shaft rod 212. A positioning bolt 221 is inserted into the outside of the rotating rod 22. An adjusting telescopic rod 222 is inserted into the inside of the rotating rod 22. The adjusting telescopic rod 222 abuts against the positioning bolt 221. A stop block 223 is provided at the end of the adjusting telescopic rod 222. A binding strap 224 is inserted into the inside of the stop block 223.

[0027] Furthermore, the lifting unit 3 includes: A lifting shell 31, wherein a plurality of lifting wheels 311 are arranged inside the lifting shell 31, wherein a rotating shaft 312 is inserted inside the lifting wheel 311, wherein the rotating shaft 312 is inserted on the lifting shell 31, wherein the rotating shaft 312 has a group of outer sides sleeved with a transmission gear 313 and connected to a lifting motor 314, wherein the transmission gear 313 is located outside the lifting shell 31, wherein the outer side of the lifting motor 314 is connected to a fixing frame 315 fixedly connected to the outer side of the lifting shell 31, wherein the rotating shaft 312 has a group of outer sides sleeved with a linkage gear 316, wherein the linkage gear 316 is meshedly connected with the transmission gear 313; The plug-in sleeve 32 has a positioning pin 321 plugged into it.

[0028] Furthermore, the plug block 41 is plugged into the inner side of the plug sleeve 32, a plug hole 411 is provided on the plug block 41, the plug hole 411 is sleeved on the outer side of the positioning pin 321, a cross bar 412 is fixedly provided on the outer side of the plug block 41, a slide groove 413 is provided on the upper and lower surfaces of the cross bar 412, and anti-slip plates 414 are provided at both ends of the cross bar 412.

[0029] It is particularly disclosed that a power shaft 421 is inserted into the transverse movement component 42, and the power shaft 421 is connected to a power motor. A power wheel 422 is sleeved on the power shaft 421, and the power wheel 422 is located on the outside of the transverse movement component 42 and is clamped in the slide groove 413 on the lower side of the cross bar 412. A support shaft is provided on the outside of the transverse movement component 42, and an auxiliary wheel 423 is sleeved on the outside of the support shaft. The auxiliary wheel 423 is clamped on the inner side of the slide groove 413 on the upper side of the cross bar 412. An electric telescopic rod 424 is inserted into the inside of the transverse movement component 42, and a sliding bracket 425 is provided at the output end of the electric telescopic rod 424. An adjusting bolt 426 is inserted on the sliding bracket 425, and a fixing rod 427 is provided at the output end of the electric telescopic rod 424.

[0030] It is particularly disclosed that the spacing adjustment component 43 is clamped on the inner side of the sliding bracket 425, and a lifting groove 431 is opened on the spacing adjustment component 43, and the lifting groove 431 is sleeved on the outer side of the electric telescopic rod 424. A connecting plate 433 is provided on the outer side of the spacing adjustment component 43, and the connecting plate 433 is sleeved on the outer side of the adjusting bolt 426.

[0031] Specifically disclosed, the adjusting rod 434 and the fixing rod 427 are in the same horizontal plane, and a sliding sleeve hole 4341 is provided on the adjusting rod 434 , and the sliding sleeve hole 4341 is sleeved on the outer side of the sliding bracket 425 .

[0032] It should be particularly emphasized that an ultrasonic sensor 441 is plugged into the end of the telescopic probe 44 . Example

[0033] The utility model comprises a support rod 1, an auxiliary unit 2, a lifting unit 3 and an adjusting unit 4. The auxiliary unit 2 is sleeved on the outside of the support rod 1, the lifting unit 3 is sleeved on the outside of the support rod 1 and is located above the auxiliary unit 2, and the adjusting unit 4 is plugged into the lifting unit 3. The adjusting unit 4 comprises: Insert block 41, which is inserted into the outside of lifting unit 3; A transverse moving assembly 42, which is clamped on the outside of the plug block 41, and can move transversely on the plug block 41; The spacing adjustment component 43 is arranged outside the transverse movement component 42. The spacing adjustment component 43 is provided with an adjustment slot 432. An anchor rod 4342 is inserted into the adjustment slot 432. The adjustment slot 432 can drive the anchor rod 4342 to adjust the spacing equally; The telescopic probe rod 44 can be telescopically adjusted to adapt to the sizes of transformer heat sinks of different specifications.

[0034] It should be emphasized that the detection method includes the following steps: The first step is to place the support pole 1 at a suitable distance from the transformer so that the support pole 1 is vertical to the ground; The second step is to sleeve the auxiliary unit 2 onto the outside of the support pole 1, and to fix the auxiliary unit 2 to the electric pole on which the transformer is installed, so as to provide stable support for the support pole 1; The third step is to sleeve the lifting unit 3 onto the support rod 1 and then completely assemble the support rod 1; The fourth step is to splice the adjustment unit 4 onto the lifting unit 3, and use the spacing adjustment component 43 to adjust the adjustment unit 4 to adapt to the transformer to be tested.

[0035] Working principle: First, place the base 11 at a designated location, calibrate the base 11 horizontally to ensure that the support rod 1 remains vertical after assembly, and plug the connecting rod 12 into the base 11; Then, the sleeve joint 21 is fixedly sleeved onto the outside of the positioning rod 121, the angle of the rotating rod 22 is adjusted, and then the position of the adjustable telescopic rod 222 is adjusted and fixed with the positioning bolt 221, and the binding belt 224 is tied and fixed to the electric pole on which the transformer is installed; Then, the lifting unit 3 is sleeved on the outside of the positioning rod 121, the lifting wheel 311 is tightly clamped with the positioning rod 121, and then the plug block 41 is plugged into the inside of the plug sleeve 32, and the position is fixed with the positioning pin 321; Then snap the transverse movement assembly 42 onto the transverse bar 412 disposed outside the plug block 41, determine the specifications of the transformer to be tested, use the spacing adjustment device 43 to adjust the adjustment rod 434 to adapt to the transformer to be tested, and adjust the position of the telescopic probe rod 44 to ensure that the ultrasonic sensor 44 can be attached to the transformer casing during testing.

[0036] Finally, the support rod 1 is spliced ​​using the extension rod 13 .

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A transformer core discharge detection device, comprising a support rod (1), an auxiliary unit (2), a lifting unit (3) and an adjustment unit (4), wherein the auxiliary unit (2) is sleeved on the outside of the support rod (1), the lifting unit (3) is sleeved on the outside of the support rod (1) and is located above the auxiliary unit (2), and the adjustment unit (4) is plugged into the lifting unit (3), characterized in that: The regulating unit (4) comprises: An insert block (41), the insert block (41) being inserted on the outside of the lifting unit (3); A transverse movement component (42), the transverse movement component (42) being clamped on the outside of the plug block (41), and the transverse movement component (42) being capable of transverse movement on the plug block (41); A spacing adjustment component (43), wherein the spacing adjustment component (43) is arranged outside the transverse movement component (42), and an adjustment groove (432) is provided on the spacing adjustment component (43), and an anchor rod (4342) is inserted into the adjustment groove (432), and the adjustment groove (432) can drive the anchor rod (4342) to adjust the spacing evenly; A telescopic probe rod (44) is capable of being telescopically adjusted to adapt to the sizes of transformer heat sinks of different specifications.

2. A transformer core discharge detection device according to claim 1, characterized in that: The support rod (1) comprises: A base (11), wherein a plug-in block (111) is provided on the top of the base (11); A connecting rod (12), the connecting rod (12) being plugged into the inner side of the plug-in block (111), the connecting rod (12) being provided with a positioning rod (121), the top of the connecting rod (12) being provided with a clamping head (123), the bottom of the positioning rod (121) being provided with a clamping sleeve (124) corresponding to the clamping head (123), the clamping sleeve (124) being clamped onto the outer side of the clamping head (123); An extension rod (13), the extension rod (13) being plugged into the top of the positioning rod (121), an anti-fleeting block (131) being plugged into the top of the extension rod (13), and the anti-fleeting block (131) being capable of limiting the rising height of the lifting unit (3).

3. A transformer core discharge detection device according to claim 1, characterized in that: The auxiliary unit (2) comprises: A sleeve joint (21), wherein a clamping block (211) is provided on the sleeve joint (21), a rotating shaft rod (212) is provided inside the clamping block (211), and a fixing sleeve hole (213) is provided on the sleeve joint (21), and the fixing sleeve hole (213) is sleeved on the outside of the positioning rod (121); A rotating rod (22), the rotating rod (22) being sleeved on the outside of the rotating shaft rod (212), a positioning bolt (221) being inserted on the outside of the rotating rod (22), an adjusting telescopic rod (222) being inserted on the inside of the rotating rod (22), the adjusting telescopic rod (222) being in contact with the positioning bolt (221), a stop block (223) being provided at the end of the adjusting telescopic rod (222), and a binding belt (224) being inserted on the inside of the stop block (223).

4. A transformer core discharge detection device according to claim 1, characterized in that: The lifting unit (3) comprises: A lifting shell (31), wherein a plurality of lifting wheels (311) are arranged on the inner side of the lifting shell (31), a rotating shaft (312) is inserted on the inner side of the lifting wheel (311), the rotating shaft (312) is inserted on the lifting shell (31), the rotating shaft (312) has a group of transmission gears (313) sleeved on the outer side thereof and connected to a lifting motor (314), the transmission gear (313) is located on the outer side of the lifting shell (31), the outer side of the lifting motor (314) is connected to a fixing frame (315) fixedly connected to the outer side of the lifting shell (31), the rotating shaft (312) has a group of linkage gears (316) sleeved on the outer side thereof, the linkage gear (316) is meshingly connected to the transmission gear (313); A plug-in sleeve (32), wherein a positioning pin (321) is plugged into the plug-in sleeve (32).

5. A transformer core discharge detection device according to claim 1, characterized in that: The plug block (41) is plugged into the inner side of the plug sleeve (32); a plug hole (411) is formed on the plug block (41); the plug hole (411) is sleeved on the outer side of the positioning pin (321); a cross bar (412) is fixedly provided on the outer side of the plug block (41); sliding grooves (413) are formed on the upper and lower surfaces of the cross bar (412); and anti-slip plates (414) are provided at both ends of the cross bar (412).

6. A transformer core discharge detection device according to claim 1, characterized in that: The transverse moving assembly (42) is plugged with a power shaft (421), the power shaft (421) being connected to a power motor, the power shaft (421) being sleeved with a power wheel (422), the power wheel (422) being located outside the transverse moving assembly (42) and being clamped in a slide groove (413) at the lower side of the cross bar (412), the transverse moving assembly (42) being provided with a support shaft outside, the support shaft being sleeved with an auxiliary wheel (423), the auxiliary wheel (423) being clamped in the inner side of the slide groove (413) at the upper side of the cross bar (412), the transverse moving assembly (42) being plugged with an electric telescopic rod (424), the output end of the electric telescopic rod (424) being provided with a sliding bracket (425), the sliding bracket (425) being plugged with an adjusting bolt (426), and the output end of the electric telescopic rod (424) being provided with a fixing rod (427).

7. A transformer core discharge detection device according to claim 1, characterized in that: The spacing adjustment component (43) is clamped on the inner side of the sliding bracket (425); a lifting slot (431) is provided on the spacing adjustment component (43); the lifting slot (431) is sleeved on the outer side of the electric telescopic rod (424); a connecting plate (433) is provided on the outer side of the spacing adjustment component (43); the connecting plate (433) is sleeved on the outer side of the adjustment bolt (426).

8. A transformer core discharge detection device according to claim 1, characterized in that: The adjusting rod (434) and the fixing rod (427) are located at the same horizontal plane. A sliding sleeve hole (4341) is provided on the adjusting rod (434), and the sliding sleeve hole (4341) is sleeved on the outside of the sliding bracket (425).

9. A transformer core discharge detection device according to claim 1, characterized in that: An ultrasonic sensor (441) is plugged into the end of the telescopic probe rod (44).

10. A detection method for a transformer core discharge detection device according to any one of claims 1 to 9, characterized in that: The detection method comprises the following steps: The first step is to place the support rod (1) at a suitable distance from the transformer so that the support rod (1) remains vertical to the ground; The second step is to sleeve the auxiliary unit (2) onto the outside of the support pole (1), and to fix the auxiliary unit (2) to the electric pole on which the transformer is mounted, so as to provide stable support for the support pole (1); The third step is to sleeve the lifting unit (3) onto the support rod (1) and then completely assemble the support rod (1); The fourth step is to splice the adjustment unit (4) onto the lifting unit (3), and use the spacing adjustment component (43) to adjust the adjustment unit (4) to adapt to the transformer to be tested.

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