CN115856485B - Distribution transformer fault detection device - Google Patents
Distribution transformer fault detection device Download PDFInfo
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- CN115856485B CN115856485B CN202310171270.8A CN202310171270A CN115856485B CN 115856485 B CN115856485 B CN 115856485B CN 202310171270 A CN202310171270 A CN 202310171270A CN 115856485 B CN115856485 B CN 115856485B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention relates to the technical field of transformer fault detection and discloses a distribution transformer fault detection device which comprises a bottom plate, wherein two limit mechanisms which are symmetrically distributed are arranged on the bottom plate, and a pushing mechanism and a winding part are arranged between the two limit mechanisms. According to the invention, the guide seat can move along the guide rail, so that the insulating tape rotates around the solid insulating layer of the tapping lead wire in the transformer, and the rotating roller presses the insulating tape on the surface of the insulating layer, so that the insulating tape can be wound on the outer side of the puncture hole on the insulating layer, thereby playing a role in insulation and shielding, insulating and reinforcing the detection point, ensuring that the transformer can safely and stably run, and the rotating part is provided with the blade, so that the insulating tape can be cut off by moving the blade every time the insulating tape rotates around the insulating layer, and no extra tool is required to cut the insulating tape.
Description
Technical Field
The invention relates to the technical field of transformer fault detection, in particular to a distribution transformer fault detection device.
Background
Transformers are electrical devices responsible for voltage conversion, power transmission and terminal distribution in electrical power systems. Common faults of the tapping leads of the transformer are broken strands or virtual joints of the leads. Usually due to too short tapping leads inside the transformer, jolt in long distance transportation, improper method of core suspension, etc. If the fault transformer is returned to the factory for treatment, the transformer operation time is delayed, and the economic loss of enterprises is increased. Therefore, the universal meter probe method is used for searching the fault of the tapping lead of the transformer, and the fault transformer is subjected to field treatment, so that the method has practical significance.
The universal meter probe method is a method for searching faults such as virtual connection, broken wire and the like of an internal lead or a coil of a transformer by using two measuring leads and two probes of the universal meter. The probe adopts thicker big needle, and it can puncture the solid insulating layer of the internal tapping lead of transformer and not buckle, and after the insulating layer of probe point was punctured, if not to the probe point carry out insulation reinforcement, easily form partial discharge to destroy transformer insulation. Therefore, a fault detection device capable of performing insulation reinforcement on the detection points is needed.
Disclosure of Invention
The invention aims at: in order to solve the above problems, a fault detection device for a distribution transformer is proposed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a distribution transformer fault detection device, includes the bottom plate, be provided with two symmetrical arrangement's stop gear on the bottom plate, be provided with pushing mechanism and winding part between two stop gear, winding part includes guiding mechanism and sliding mechanism, guiding mechanism is provided with two; the guide mechanism comprises a mounting plate, guide rails are arranged at two ends of the mounting plate, and the guide rails are of circular arc structures; the two guide mechanisms are symmetrically arranged, one guide mechanism is provided with a supporting plate and a pushing plate, the supporting plate is arranged at the top of the guide rail, a puncture assembly penetrates through the center of the supporting plate, and the pushing plate is arranged at the bottom of the mounting plate; the sliding mechanism is in sliding fit with the guide mechanism, the sliding mechanism comprises a guide seat, the guide seat is in an arc-shaped structure and is in sliding connection with the guide rail, a connecting plate and a handle are arranged on the guide seat, a first sliding rod and a second sliding rod are arranged on the connecting plate in a penetrating mode, a second elastic piece and a rotating seat are respectively arranged at two ends of the first sliding rod, a rotating roller is arranged on the rotating seat, a third elastic piece and a pushing block are arranged at one end of the second sliding rod, a blade is arranged at the other end of the second sliding rod, a connecting seat is arranged on the connecting plate, a connecting rod is connected to the connecting seat in a rotating mode through a torsion spring, a fixed shaft is arranged at one end, far away from the connecting seat, of the connecting rod, and an insulating adhesive tape is sleeved on the fixed shaft; the pushing plate is obliquely arranged, and the pushing block slides along the pushing plate after contacting the pushing plate, so that the second sliding rod drives the blade to move, and the blade can cut off the insulating adhesive tape; the puncture assembly comprises a barrel and a needle cylinder which are communicated with each other, a pipe body is arranged at the bottom of the barrel, a probe is arranged in the barrel and is electrically connected with the multimeter, and insulating glue in the needle cylinder can enter the barrel by extruding the needle cylinder and enter the tapping lead along the pipe body.
Preferably, the mounting plate is fixedly connected to the middle part of the guide rail through a bolt, the bottom of the guide rail is fixedly connected with a fixing seat, a first elastic piece is fixedly connected to the fixing seat, the telescopic end of the first elastic piece is fixedly connected with a stop block, the stop block penetrates through the guide rail, and one side, far away from the first elastic piece, of the stop block is of a circular arc structure.
Preferably, the guide holder is fixedly connected with the connecting plate, the guide holder is rotationally connected with the handle, two ends of the second elastic piece are respectively fixedly connected with the connecting plate and the first sliding rod, two ends of the third elastic piece are respectively fixedly connected with the connecting plate and the pushing block, one side of the pushing block, which is far away from the second sliding rod, is in a circular arc structure, and the rotating holder is rotationally connected with the rotating roller.
Preferably, the backup pad and barrel sliding connection, barrel and the coaxial setting of probe, barrel and body interconnect, the lower extreme of probe is conical structure, and the upper end of probe runs through the barrel to fixedly connected with disk.
Preferably, the limiting mechanism comprises a sliding rail, two sliding seats are arranged on the sliding rail, and two limiting wheels are rotatably connected to the sliding seats.
Preferably, a cross beam is arranged between the limiting mechanisms, the end part of the cross beam is fixedly connected with the sliding seat, and an elastic telescopic assembly is arranged between the cross beam and the mounting plate.
Preferably, the pushing mechanism is located below the winding part and comprises a shell, a ball screw assembly, a worm wheel and a worm are arranged inside the shell, the worm wheel and the worm are meshed with each other, the upper end of the worm is fixedly connected with a rotating shaft, the upper end of the rotating shaft penetrates through and extends to the outside of the shell, and the rotating shaft is connected with the shell in a rotating mode.
Preferably, the ball screw assembly comprises a screw shaft and a limiting rod, a guide sleeve assembly is arranged on the screw shaft, a guide rod is fixedly connected to the guide sleeve assembly, a guide through groove is formed in the top of the shell, the guide rod is in sliding fit with the guide through groove, the upper end of the guide rod is fixedly connected with the middle part of the cross beam, the worm wheel is fixedly connected to the end part of the screw shaft, the screw shaft is rotationally connected with the shell, the limiting rod is fixedly connected with the shell, and the screw shaft is parallel to the limiting rod.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. this application is through setting up rotating part, place insulating tape on rotating part, and set up the guide rail, the guide holder, the rotatory roller, after the probe puncture, the guide holder can be along the guide rail removal, make insulating tape rotate around the solid insulation layer of the inside tapping lead wire of transformer, rotatory roller presses insulating tape at the surface of insulating layer, so make insulating tape can twine the outside in the puncture hole on the insulating layer, thereby play insulation, the effect of shielding, play insulation reinforcement to the probe, guarantee that the transformer can safe and stable operation, secondly rotating part has set up the blade, make insulating tape rotate a week around the insulating layer through the cooperation of push pedal and ejector pad, the blade can remove and cut off insulating tape, so need not to use extra instrument to cut insulating tape, therefore this device compact structure, easy operation, have higher spreading value.
2. This application has set up stop gear and pushing mechanism through setting up stop gear, stop gear has set up slide rail and slide, and set up spacing wheel on the slide, pushing mechanism has set up ball screw assembly, ball screw assembly has set up the screw shaft, the uide bushing assembly, the guide bar, through ball screw assembly's drive, make the slide remove along the slide rail, thereby carry out the centre gripping to the inside tapping lead wire of transformer spacing, when detecting, make the probe puncture process more stable, still set up body and cylinder on the puncture assembly simultaneously, the cylinder can be with inside the insulating glue is filled into the lead wire along the body, further improve the insulating properties of cable behind the reinforcement.
Drawings
Fig. 1 shows a schematic diagram of the overall structure of a detection device according to an embodiment of the present invention;
fig. 2 is a schematic view showing the overall structure of a winding part provided according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of a winding portion unwinding structure provided according to an embodiment of the present invention;
fig. 4 shows a partial structural schematic view of a winding part provided according to an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a guide seat and a connecting plate according to an embodiment of the present invention;
fig. 6 shows a schematic view of the internal structure of a cylinder provided according to an embodiment of the present invention;
fig. 7 shows a schematic structural view of a pushing mechanism according to an embodiment of the present invention.
Legend description:
1. a bottom plate; 2. a slide rail; 3. a slide; 4. a limiting wheel; 5. a cross beam; 6. an elastic expansion assembly; 7. a mounting plate; 8. a guide rail; 9. a fixing seat; 10. a first elastic member; 11. a stop block; 12. a guide seat; 13. a connecting plate; 14. a handle; 15. a first slide bar; 16. a second elastic member; 17. a rotating seat; 18. a rotating roller; 19. a second slide bar; 20. a third elastic member; 21. a pushing block; 22. a blade; 23. a connecting seat; 24. a connecting rod; 25. a fixed shaft; 26. a support plate; 27. a cylinder; 28. a tube body; 29. a probe; 30. a wafer; 31. a needle cylinder; 32. a housing; 33. a screw shaft; 34. a limit rod; 35. a worm wheel; 36. a worm; 37. a rotation shaft; 38. a guide sleeve assembly; 39. a guide rod; 40. a push plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution:
the utility model provides a distribution transformer fault detection device, includes bottom plate 1, is provided with two stop gear of symmetrical distribution on the bottom plate 1, is provided with pushing mechanism and winding portion between two stop gear, and winding portion includes guiding mechanism and sliding mechanism, and guiding mechanism is provided with two;
the guide mechanism comprises a mounting plate 7, guide rails 8 are arranged at two ends of the mounting plate 7, and the guide rails 8 are of circular arc structures;
the two guide mechanisms are symmetrically arranged, one guide mechanism is provided with a support plate 26 and a push plate 40, the support plate 26 is arranged at the top of the guide rail 8, a puncture assembly is arranged in the center of the support plate 26 in a penetrating way, and the push plate 40 is arranged at the bottom of the mounting plate 7; the sliding mechanism is in sliding fit with the guide mechanism, the sliding mechanism comprises a guide seat 12, the guide seat 12 is in a circular arc structure, the guide seat 12 is in sliding connection with the guide rail 8, a connecting plate 13 and a handle 14 are arranged on the guide seat 12, a first sliding rod 15 and a second sliding rod 19 are arranged on the connecting plate 13 in a penetrating manner, a second elastic piece 16 and a rotating seat 17 are respectively arranged at two ends of the first sliding rod 15, a rotating roller 18 is arranged on the rotating seat 17, a third elastic piece 20 and a pushing block 21 are arranged at one end of the second sliding rod 19, a blade 22 is arranged at the other end of the second sliding rod, a connecting seat 23 is arranged on the connecting plate 13, a connecting rod 24 is connected with the connecting seat 23 in a rotating manner through a torsion spring, a fixed shaft 25 is arranged at one end, far away from the connecting rod 23, and an insulating adhesive tape is sleeved on the fixed shaft 25;
the push plate 40 is inclined with one end closer to the guide rail 8 and the other end farther from the guide rail 8. Therefore, after contacting the push plate 40, the push block 21 slides along the push plate 40, so that the second slide bar 19 drives the blade 22 to move, and the blade 22 can cut off the insulating tape.
The puncture assembly comprises a barrel 27 and a needle cylinder 31 which are communicated with each other, a tube 28 is arranged at the bottom of the barrel 27, a probe 29 is arranged in the barrel 27, and the probe 29 is electrically connected with a multimeter.
Specifically, as shown in fig. 1, 2, 3, 4 and 5, the mounting plate 7 is fixedly connected to the middle part of the guide rail 8 through a bolt, the bottom of the guide rail 8 is fixedly connected with the fixing seat 9, the fixing seat 9 is fixedly connected with the first elastic member 10, the telescopic end of the first elastic member 10 is fixedly connected with the stop block 11, the stop block 11 penetrates through the guide rail 8, and one side of the stop block 11 away from the first elastic member 10 is in a circular arc structure. The guide holder 12 is fixedly connected with the connecting plate 13, the guide holder 12 is rotationally connected with the handle 14, two ends of the second elastic piece 16 are respectively fixedly connected with the connecting plate 13 and the first sliding rod 15, two ends of the third elastic piece 20 are respectively fixedly connected with the connecting plate 13 and the pushing block 21, one side, far away from the second sliding rod 19, of the pushing block 21 is in a circular arc structure, and the rotating holder 17 is rotationally connected with the rotating roller 18.
After the two limiting mechanisms are close to each other, the guide rail 8 can be aligned and combined into a closed track, the closed track is of an annular structure, the guide holder 12 is made to slide along the guide rail 8 by moving the handle 14, the rotary roller 18 can rotate around the tapping lead, the rotary roller 18 can be tightly attached to the surface of the insulating layer by the elastic force of the second elastic piece 16, after the insulating layer is adhered to the insulating tape, the insulating tape is pulled out continuously when the guide holder 12 moves, and the rotary roller 18 can press the insulating tape to enable the insulating tape to be tightly attached to the insulating layer. The stopper 11 can prevent the guide holder 12 from moving, and only by applying a force to the handle 14, the guide holder 12 can press the stopper 11 to move and compress the first elastic member 10.
Specifically, as shown in fig. 1, 2, 3, 4 and 6, the support plate 26 is slidably connected with the cylinder 27, the cylinder 27 is coaxially arranged with the probe 29, the cylinder 27 is mutually communicated with the tube 28, the lower end of the probe 29 is in a conical structure, and the upper end of the probe 29 penetrates through the cylinder 27 and is fixedly connected with the wafer 30. After the wafer 30 moves to the top of the laminating barrel 27, the conical part of probe 29 lower extreme can follow the lower extreme of body 28 and stretch out, so conveniently puncture the insulating layer when detecting, simultaneously wafer 30 keeps away from barrel 27, and probe 29 withdraws in the barrel 27, extrudees cylinder 31, can make the insulating cement in the cylinder 31 get into barrel 27, and in the tapping lead wire gets into along body 28, through slowly pulling out barrel 27, can also make the insulating cement get into in the puncture hole, further improve the insulation reinforcement effect of puncture hole department.
Specifically, as shown in fig. 1, the limiting mechanism comprises a sliding rail 2, two sliding seats 3 are arranged on the sliding rail 2, and two limiting wheels 4 are rotatably connected to the sliding seats 3. A cross beam 5 is arranged between the two limiting mechanisms, the end part of the cross beam 5 is fixedly connected with the sliding seat 3, and an elastic telescopic component 6 is arranged between the cross beam 5 and the mounting plate 7.
The slide 3 can be along slide rail 2 removal, and crossbeam 5 and stop gear pass through elastic expansion assembly 6 and connect as an organic wholely, so stop gear along with slide 3 synchronous motion, two stop gear are close to each other the back, and guide rail 8 can align to merge into closed track, and elastic expansion assembly 6's setting makes the device can cooperate the tapping lead wire of different internal diameters, improves the practicality of device.
Specifically, as shown in fig. 1 and 7, the pushing mechanism is located below the winding portion, and includes a housing 32, a ball screw assembly, a worm wheel 35 and a worm 36 are disposed inside the housing 32, the worm wheel 35 and the worm 36 are engaged with each other, a rotation shaft 37 is fixedly connected to an upper end of the worm 36, an upper end of the rotation shaft 37 extends through to an outside of the housing 32, and the rotation shaft 37 is rotatably connected to the housing 32. The ball screw assembly comprises a screw shaft 33 and a limiting rod 34, a guide sleeve assembly 38 is arranged on the screw shaft 33, a guide rod 39 is fixedly connected to the guide sleeve assembly 38, a guide through groove is formed in the top of the shell 32, the guide rod 39 is in sliding fit with the guide through groove, the upper end of the guide rod 39 is fixedly connected with the middle part of the cross beam 5, a worm wheel 35 is fixedly connected to the end part of the screw shaft 33, the screw shaft 33 is rotatably connected with the shell 32, the limiting rod 34 is fixedly connected with the shell 32, and the screw shaft 33 and the limiting rod 34 are arranged in parallel.
The worm 36 can be driven to rotate by rotating the rotating shaft 37, and the worm wheel 35 and the screw shaft 33 are further driven to rotate, so that the guide sleeve assembly 38 moves along the screw shaft 33, the two sliding seats 3 on the sliding rail 2 can synchronously move to be close to each other by the driving of the cross beam 5 and the guide rod 39, and the tapping lead can be clamped by the four limiting wheels 4 on the two sliding seats 3, so that the tapping lead is limited and fixed. Ensure that the lead wire is stable and can not shake when puncturing, so that the position of the detection point is accurate.
In summary, in the fault detection device for a distribution transformer provided in this embodiment, during fault detection, the probe 29 is electrically connected with the multimeter, then the tapping lead of the transformer passes through between the two sliding bases 3 of the limiting mechanism, the rotating shaft 37 is manually rotated, the worm 36 drives the worm wheel 35 to rotate, the guide sleeve assembly 38 is further moved along the screw shaft 33, and the two sliding bases 3 are further moved closer to each other until the tapping lead is clamped and limited between the four limiting wheels 4, and the above steps are used for fixing the tapping lead; then pressing the wafer 30 to be attached to the top of the barrel 27, at this time, the conical part of the lower end of the probe 29 protrudes from the lower end of the tube 28, and then moving the barrel 27 to make the lower ends of the tube 28 and the probe 29 pierce the insulation layer of the tapping lead wire and make the probe 29 contact the conductive copper wire, at this time, fault detection can be performed on the tapping lead wire; the sliding seat 3 moves to drive the cross beam 5 to synchronously move in the process of fixing tapping leads, so that the elastic telescopic component 6 drives the limiting mechanisms to move, the two limiting mechanisms are mutually close, the ends of the opposite guide rails 8 are aligned and can form a closed track, so after detection, the wafer 30 is moved upwards to enable the probe 29 to withdraw from the tapping leads, the needle cylinder 31 is extruded, insulating adhesive is filled in the needle cylinder 31, the insulating adhesive is extruded to enter the cylinder 27 and enter the tapping leads along the pipe body 28, the cylinder 27 is slowly moved upwards while the needle cylinder 31 is extruded, the insulating adhesive is extruded into a puncture hole in an insulating layer, after the pipe body 28 is completely pulled out, the cylinder 27 is moved upwards to a limit position, the insulating adhesive tape is manually pulled out to be adhered to the surface of the insulating layer, the handle 14 is moved to enable the guide seat 12 to slide along the guide rails 8, the insulating adhesive tape is continuously pulled out, the insulating tape is pressed by the rotating roller 18 to enable the insulating tape to be tightly adhered to the insulating layer, the insulating adhesive tape is covered on the outer side of the puncture hole, the push plate 21 is pushed by the push block 21 to be contacted with the push plate 40 in a circle along the guide rails 8, and the push plate 40 is moved along the push plate 40 to be close to the second slide bar 19, and the insulating tape is pushed by the push plate 22. In conclusion, the device can realize insulation reinforcement of the puncture hole of the detection point of the split lead, so that the transformer can safely and stably operate.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a distribution transformer fault detection device, includes bottom plate (1), its characterized in that, be provided with two symmetrical arrangement's stop gear on bottom plate (1), be provided with pushing mechanism and winding part between two stop gear, winding part includes guiding mechanism and sliding mechanism, guiding mechanism is provided with two; the guide mechanism comprises a mounting plate (7), guide rails (8) are arranged at two ends of the mounting plate (7), and the guide rails (8) are of circular arc structures; the two guide mechanisms are symmetrically arranged, one guide mechanism is provided with a supporting plate (26) and a pushing plate (40), the supporting plate (26) is arranged at the top of the guide rail (8), a puncture assembly is arranged at the center of the supporting plate (26) in a penetrating way, and the pushing plate (40) is arranged at the bottom of the mounting plate (7); the sliding mechanism is in sliding fit with the guide mechanism, the sliding mechanism comprises a guide seat (12), the guide seat (12) is in a circular arc structure, the guide seat (12) is in sliding connection with the guide rail (8), a connecting plate (13) and a handle (14) are arranged on the guide seat (12), a first sliding rod (15) and a second sliding rod (19) are arranged on the connecting plate (13) in a penetrating manner, a second elastic piece (16) and a rotating seat (17) are respectively arranged at two ends of the first sliding rod (15), a rotating roller (18) is arranged on the rotating seat (17), a third elastic piece (20) and a pushing block (21) are arranged at one end of the second sliding rod (19), a blade (22) is arranged at the other end of the second sliding rod, a connecting seat (23) is arranged on the connecting plate (13), a connecting rod (24) is connected through torsion spring rotation, a fixed shaft (25) is arranged at one end of the connecting rod (24) far away from the connecting seat (23), and an insulating adhesive tape (25) is sleeved on the fixed shaft; the push plate (40) is obliquely arranged, and the push block (21) slides along the push plate (40) after contacting the push plate (40), so that the second slide bar (19) drives the blade (22) to move, and the blade (22) can cut off the insulating adhesive tape; the puncture assembly comprises a barrel (27) and a needle cylinder (31) which are communicated with each other, a pipe body (28) is arranged at the bottom of the barrel (27), a probe (29) is arranged in the barrel (27), the probe (29) is electrically connected with a multimeter, the needle cylinder (31) is extruded, and insulating glue in the needle cylinder (31) can enter the barrel (27) and enter the tapping lead along the pipe body (28).
2. The distribution transformer fault detection device according to claim 1, wherein the mounting plate (7) is fixedly connected to the middle part of the guide rail (8) through bolts, a fixing seat (9) is fixedly connected to the bottom of the guide rail (8), a first elastic piece (10) is fixedly connected to the fixing seat (9), a stop block (11) is fixedly connected to the telescopic end of the first elastic piece (10), the stop block (11) penetrates through the guide rail (8), and one side, far away from the first elastic piece (10), of the stop block (11) is of a circular arc structure.
3. The distribution transformer fault detection device according to claim 1, wherein the guide holder (12) is fixedly connected with the connecting plate (13), the guide holder (12) is rotationally connected with the handle (14), two ends of the second elastic piece (16) are respectively fixedly connected with the connecting plate (13) and the first sliding rod (15), two ends of the third elastic piece (20) are respectively fixedly connected with the connecting plate (13) and the pushing block (21), one side, far away from the second sliding rod (19), of the pushing block (21) is in a circular arc structure, and the rotating holder (17) is rotationally connected with the rotating roller (18).
4. A distribution transformer fault detection device according to claim 1, characterized in that the support plate (26) is slidably connected with a cylinder (27), the cylinder (27) is coaxially arranged with a probe (29), the cylinder (27) is mutually communicated with a tube (28), the lower end of the probe (29) is of a conical structure, the upper end of the probe (29) penetrates the cylinder (27), and a wafer (30) is fixedly connected.
5. The distribution transformer fault detection device according to claim 1, wherein the limiting mechanism comprises a sliding rail (2), two sliding seats (3) are arranged on the sliding rail (2), and two limiting wheels (4) are rotatably connected to the sliding seats (3).
6. A distribution transformer fault detection device according to claim 1, characterized in that a cross beam (5) is arranged between the two limiting mechanisms, the end part of the cross beam (5) is fixedly connected with the sliding seat (3), and an elastic telescopic component (6) is arranged between the cross beam (5) and the mounting plate (7).
7. The distribution transformer fault detection device according to claim 1, wherein the pushing mechanism is located below the winding part and comprises a housing (32), a ball screw assembly, a worm wheel (35) and a worm (36) are arranged inside the housing (32), the worm wheel (35) and the worm (36) are meshed with each other, a rotating shaft (37) is fixedly connected to the upper end of the worm (36), the upper end of the rotating shaft (37) penetrates through and extends to the outside of the housing (32), and the rotating shaft (37) is connected with the housing (32) in a rotating mode.
8. The distribution transformer fault detection device according to claim 7, wherein the ball screw assembly comprises a screw shaft (33) and a limiting rod (34), a guide sleeve assembly (38) is arranged on the screw shaft (33), a guide rod (39) is fixedly connected to the guide sleeve assembly (38), a guide through groove is formed in the top of the shell (32), the guide rod (39) is in sliding fit with the guide through groove, the upper end of the guide rod (39) is fixedly connected with the middle part of the cross beam (5), the worm wheel (35) is fixedly connected to the end part of the screw shaft (33), the screw shaft (33) is rotatably connected with the shell (32), the limiting rod (34) is fixedly connected with the shell (32), and the screw shaft (33) is parallel to the limiting rod (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310171270.8A CN115856485B (en) | 2023-02-28 | 2023-02-28 | Distribution transformer fault detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310171270.8A CN115856485B (en) | 2023-02-28 | 2023-02-28 | Distribution transformer fault detection device |
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| Publication Number | Publication Date |
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| CN115856485A CN115856485A (en) | 2023-03-28 |
| CN115856485B true CN115856485B (en) | 2023-04-28 |
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| CN117214779B (en) * | 2023-11-07 | 2024-01-30 | 国网辽宁省电力有限公司 | Transformer fault monitoring device |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210710049U (en) * | 2019-06-27 | 2020-06-09 | 东莞市鑫华翼自动化科技有限公司 | Full-automatic multi-axis insulation tube threading machine |
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