CN115856485A - Distribution transformer fault detection device - Google Patents
Distribution transformer fault detection device Download PDFInfo
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- CN115856485A CN115856485A CN202310171270.8A CN202310171270A CN115856485A CN 115856485 A CN115856485 A CN 115856485A CN 202310171270 A CN202310171270 A CN 202310171270A CN 115856485 A CN115856485 A CN 115856485A
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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
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 limiting mechanisms are symmetrically distributed on the bottom plate, and a pushing mechanism and a winding part are arranged between the two limiting mechanisms. According to the transformer insulation tape cutting device, the guide seat can move along the guide rail, so that the insulation tape rotates around the solid insulation layer of the tapping lead in the transformer, the rotary roller presses the insulation tape on the surface of the insulation layer, the insulation tape can be wound on the outer side of the puncture hole in the insulation layer, insulation and shielding effects are achieved, insulation and reinforcement are achieved on a detection point, the transformer can be guaranteed to run safely and stably, the blade is arranged on the rotary portion, the blade can move to cut off the insulation tape every time the insulation tape rotates around the insulation layer for one circle, and therefore an extra tool is not needed to cut the insulation 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 that undertake negative voltage transformation, power transmission, and terminal distribution in electrical power systems. The common fault of the tap lead of the transformer is that the lead is broken or virtual connected. Usually caused by the short tapping lead wire inside the transformer, the bumpiness of long-distance transportation, the inconvenient method for core hanging and the like. If the fault transformer is returned to the factory for processing, the operation time of the transformer is delayed, and the economic loss of enterprises is increased. Therefore, the method has practical significance for searching the transformer tapping lead fault by using the multimeter probe method and carrying out field processing on the fault transformer.
The multimeter probe method is a method for searching faults such as virtual connection and disconnection of internal leads or coils of a transformer by using two measuring leads and two probes of a multimeter. The probe adopts a thick large needle which can puncture the solid insulating layer of the tapping lead in the transformer without bending, and after the insulating layer of the detection point is punctured, if the detection point is not insulated and reinforced, partial discharge is easily formed, thereby damaging the insulation of the transformer. Therefore, a fault detection device capable of insulating and reinforcing the detection point is needed.
Disclosure of Invention
The invention aims to: in order to solve the problems, a fault detection device for a distribution transformer is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distribution transformer fault detection device comprises a bottom plate, wherein two limiting mechanisms which are symmetrically distributed are arranged on the bottom plate, a pushing mechanism and a winding part are arranged between the two limiting mechanisms, the winding part comprises a guide mechanism and a sliding mechanism, and the number of the guide mechanism is two; the guide mechanism comprises an installation plate, guide rails are arranged at two ends of the installation plate, and the guide rails are of circular arc structures; the two guide mechanisms are symmetrically arranged, one guide mechanism is provided with a support plate and a push plate, the support plate is arranged at the top of the guide rail, the center of the support plate is provided with a puncture assembly in a penetrating manner, and the push 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 of 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 penetrate through the connecting plate, 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, the connecting seat is connected with a connecting rod through a torsional spring in a rotating mode, a fixed shaft is arranged at one end, away from the connecting seat, of the connecting rod, and an insulating adhesive tape is sleeved on the fixed shaft; the puncture assembly comprises a barrel body and a needle cylinder which are communicated with each other, a tube body is arranged at the bottom of the barrel body, a probe is arranged inside the barrel body, and the probe is electrically connected with a universal meter.
Preferably, the mounting panel passes through bolt fixed connection in the middle part of guide rail, the bottom fixedly connected with fixing base of guide rail, the first elastic component of fixedly connected with on the fixing base, the flexible end fixedly connected with dog of first elastic component, the dog runs through the guide rail to one side that first elastic component was kept away from to the dog is convex structure.
Preferably, the guide holder is connected with connecting plate fixed connection to the guide holder rotates with the handle and is connected, the both ends of second elastic component respectively with connecting plate and first slide bar fixed connection, the both ends of third elastic component respectively with connecting plate and ejector pad fixed connection, one side that the second slide bar was kept away from to the ejector pad is convex structure, the rotation seat rotates with rotatory roller and is connected.
Preferably, backup pad and barrel sliding connection, the barrel sets up with the probe is coaxial, barrel and body intercommunication each other, the lower extreme of probe is conical structure, and the barrel is run through to the upper end of probe to fixedly connected with disk.
Preferably, stop gear includes the slide rail, be provided with two slides on the slide rail, it has two spacing wheels to rotate to be connected with on the slide.
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 housing, a ball screw assembly, a worm wheel and a worm are arranged inside the housing, the worm wheel and the worm are meshed with each other, a rotating shaft is fixedly connected to the upper end of the worm, the upper end of the rotating shaft penetrates through the housing and extends to the outside of the housing, and the rotating shaft is rotatably connected with the housing.
Preferably, the ball screw subassembly includes screw axle and gag lever post, the epaxial uide bushing assembly that is provided with of screw, fixedly connected with guide bar on the uide bushing assembly, the top of casing is provided with the direction and leads to the groove, guide bar and the logical groove sliding fit that leads to the upper end of guide bar and the middle part fixed connection of crossbeam, worm wheel fixed connection is at the tip of screw axle, the screw axle rotates with the casing to be connected, gag lever post and casing fixed connection, screw axle and gag lever post parallel arrangement.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. this application is through setting up the rotating part, place insulating tape on the rotating part, and the guide rail has been set up, the guide holder, rotatory roller, after the probe puncture, the guide holder can remove along the guide rail, it is rotatory to make insulating tape wind the solid insulation layer of the inside tapping lead wire of transformer, rotatory roller presses insulating tape on the surface of insulating layer, so make insulating tape can twine the outside of the puncture hole on the insulating layer, thereby play insulating, shielded effect, play insulating reinforcement to the detection point, guarantee that the transformer can the safety and stability operation, secondly the rotating part has set up the blade, cooperation through push pedal and ejector pad, make insulating tape rotate a week around the insulating layer every time, 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, higher spreading value has.
2. This application is through setting up stop gear and pushing mechanism, stop gear has set up slide rail and slide, and set up spacing round on the slide, pushing mechanism has set up the ball screw subassembly, the ball screw subassembly has set up the lead screw axle, the uide bushing assembly, the guide bar, drive through the ball screw subassembly, make the slide remove along the slide rail, thereby carry out the centre gripping spacing to the inside shunting lead wire of transformer, when detecting, make the probe puncture process more stable, still set up body and cylinder on the puncture subassembly simultaneously, inside the cylinder can pour into the lead wire along the body with insulating cement, further improve the insulating properties of cable after the reinforcement.
Drawings
FIG. 1 is a schematic diagram illustrating an overall structure of a detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an overall structure of a winding part provided according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a winding part unwinding structure provided according to an embodiment of the present invention;
FIG. 4 is a partial structural view of a winding part provided according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a guide seat and a connecting plate provided according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating an internal structure of a cartridge provided in accordance with an embodiment of the present invention;
fig. 7 shows a schematic view of a pusher mechanism according to an embodiment of the present invention.
Illustration of the drawings:
1. a base plate; 2. a slide rail; 3. a slide base; 4. a limiting wheel; 5. a cross beam; 6. an elastic telescopic component; 7. mounting a plate; 8. a guide rail; 9. a fixed seat; 10. a first elastic member; 11. a stopper; 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 push block; 22. a blade; 23. a connecting seat; 24. a connecting rod; 25. a fixed shaft; 26. a support plate; 27. a barrel; 28. a pipe body; 29. a probe; 30. a wafer; 31. a needle cylinder; 32. a housing; 33. a screw shaft; 34. a limiting rod; 35. a worm gear; 36. a worm; 37. a rotating shaft; 38. a guide sleeve assembly; 39. a guide bar; 40. a push plate.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a distribution transformer fault detection device comprises a bottom plate 1, wherein two limiting mechanisms which are symmetrically distributed are arranged on the bottom plate 1, a pushing mechanism and a winding part are arranged between the two limiting mechanisms, the winding part comprises a guide mechanism and a sliding mechanism, and the number of the guide mechanism is 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, the center of the support plate 26 is provided with a puncture assembly in a penetrating manner, 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 of an arc-shaped 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 mode, a second elastic piece 16 and a rotating seat 17 are arranged at two ends of the first sliding rod 15 respectively, 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, the connecting seat 23 is connected with a connecting rod 24 in a rotating mode through a torsion spring, a fixing shaft 25 is arranged at one end, away from the connecting seat 23, and an insulating adhesive tape is sleeved on the fixing shaft 25;
the push plate 40 is disposed obliquely with one end thereof being closer to the guide rail 8 and the other end thereof being further. Therefore, after the push block 21 contacts the push plate 40, the push block 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 cylinder body 27 and a needle cylinder 31 which are communicated with each other, a tube body 28 is arranged at the bottom of the cylinder body 27, a probe 29 is arranged inside the cylinder body 27, and the probe 29 is electrically connected with a multimeter.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the mounting plate 7 is fixedly connected to the middle of the guide rail 8 through a bolt, the bottom of the guide rail 8 is fixedly connected with a fixing seat 9, a first elastic member 10 is fixedly connected to the fixing seat 9, a retractable end of the first elastic member 10 is fixedly connected with a stopper 11, the stopper 11 penetrates through the guide rail 8, and one side of the stopper 11, which is far away from the first elastic member 10, is of a circular arc-shaped structure. The guide seat 12 is fixedly connected with the connecting plate 13, the guide seat 12 is rotatably connected with the handle 14, two ends of the second elastic member 16 are respectively fixedly connected with the connecting plate 13 and the first sliding rod 15, two ends of the third elastic member 20 are respectively fixedly connected with the connecting plate 13 and the pushing block 21, one side of the pushing block 21, far away from the second sliding rod 19, is of a circular arc structure, and the rotating seat 17 is rotatably connected with the rotating roller 18.
Two stop gear are close to the back each other, and guide rail 8 can align and merge into closed orbit, and closed orbit is the loop configuration, removes 14 messenger guide holder 12 of handle and slides along guide rail 8, and rotatory roller 18 can be rotatory around the shunting lead wire, and rotatory roller 18 can closely laminate the surface of insulating layer through the elasticity of second elastic component 16, and after insulating tape glued the insulating layer, insulating tape constantly was pulled out when guide holder 12 removed, and rotatory roller 18 can push down insulating tape, makes its insulating layer of closely laminating. The stopper 11 may prevent the guide holder 12 from moving, and only by applying force to the handle 14, the guide holder 12 may 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 supporting plate 26 is slidably connected to the cylinder 27, the cylinder 27 and the probe 29 are coaxially disposed, the cylinder 27 is communicated with the tube 28, the lower end of the probe 29 has a conical structure, and the upper end of the probe 29 penetrates through the cylinder 27 and is fixedly connected to the wafer 30. After the wafer 30 moves to the top of the attaching cylinder 27, the conical part at the lower end of the probe 29 can be extended out from the lower end of the tube 28, so that the insulating layer can be conveniently punctured during detection, meanwhile, the wafer 30 is far away from the tube 27, the probe 29 retracts into the tube 27, the needle cylinder 31 is extruded, the insulating glue in the needle cylinder 31 can enter the tube 27 and enters the tapping lead along the tube 28, the insulating glue can enter the puncture hole by slowly pulling out the tube 27, and the insulating reinforcing effect at the puncture hole is further improved.
Specifically, as shown in fig. 1, the limiting mechanism includes a slide rail 2, two slide seats 3 are disposed on the slide rail 2, and two limiting wheels 4 are rotatably connected to the slide 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 assembly 6 is arranged between the cross beam 5 and the mounting plate 7.
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 rotating shaft 37 is fixedly connected to an upper end of the worm 36, the upper end of the rotating shaft 37 extends through the housing 32 to the outside, and the rotating 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 onto 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 of the cross beam 5, a worm wheel 35 is fixedly connected to the end 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.
The worm 36 can be driven to rotate by rotating the rotating shaft 37, and further the worm wheel 35 and the screw shaft 33 are 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 and approach each other by driving 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. The lead is guaranteed to be stable and not to shake during puncture, and the position of a detection point is accurate.
In summary, in the fault detection device for the distribution transformer provided by this embodiment, when fault detection is performed, the probe 29 is electrically connected to the multimeter, the tapping lead of the transformer passes through the space between the two slide 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 further moves along the screw shaft 33, and then the two slide bases 3 approach each other until the tapping lead is clamped and limited between the four limiting wheels 4, which is used for fixing the tapping lead; pressing the wafer 30 to fit the top of the barrel 27 with the conical portion of the lower end of the probe 29 protruding from the lower end of the tube 28, moving the barrel 27 so that the lower ends of the tube 28 and the probe 29 pierce the insulation layer of the tap wire and the probe 29 contacts the conductive copper wire, which allows fault detection of the tap wire; in the process of fixing the tapping lead, the sliding seat 3 moves to drive the cross beam 5 to move synchronously, so that the limiting mechanisms are driven to move through the elastic telescopic assembly 6, the two limiting mechanisms are close to each other, the ends of the opposite guide rails 8 are aligned and combined to form a closed track, after detection, the wafer 30 is moved upwards to enable the probe 29 to exit from the tapping lead, then the needle cylinder 31 is extruded, the needle cylinder 31 is filled with insulating glue, the insulating glue is extruded to enter the needle cylinder 27 and enter the tapping lead along the needle cylinder 28, the needle cylinder 27 is slowly moved upwards while the needle cylinder 31 is extruded to enable the insulating glue to be extruded into a puncture hole in an insulating layer, after the needle cylinder 28 is completely pulled out, the needle cylinder 27 is moved upwards to a limit position, then the insulating tape is manually pulled out to be adhered to the surface of the insulating layer, then the handle 14 is moved to enable the guide seat 12 to slide along the guide rails 8, the insulating tape is continuously pulled out, the rotary roller 18 presses the insulating tape to enable the insulating tape to be tightly adhered to the insulating layer, the insulating tape covers the outer side of the puncture hole, and the insulating tape is moved to be close to the second insulating blade 22 when the guide seat 12 moves along the push plate 40 for cutting. In conclusion, the device can realize the insulation reinforcement of the puncture hole of the detection point of the connecting lead, so that the transformer can operate safely and stably.
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 distribution transformer fault detection device comprises a bottom plate (1), and is characterized in that two limiting mechanisms which are symmetrically distributed are arranged on the bottom plate (1), a pushing mechanism and a winding part are arranged between the two limiting mechanisms, the winding part comprises a guide mechanism and a sliding mechanism, and the number of the guide mechanism is 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), the center of the support plate (26) is provided with a puncture assembly in a penetrating manner, 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 of an arc-shaped structure, the guide seat (12) is in sliding connection with a 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 mode, a second elastic piece (16) and a rotating seat (17) are arranged at two ends of the first sliding rod (15) respectively, 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), the connecting seat (23) is connected with a connecting rod (24) in a rotating mode through a torsion spring, a fixed shaft (25) is arranged at one end, far away from the connecting rod (24), and an insulating adhesive tape is sleeved on the fixed shaft (25); the puncture assembly comprises a barrel body (27) and a needle cylinder (31) which are communicated with each other, a tube body (28) is arranged at the bottom of the barrel body (27), a probe (29) is arranged inside the barrel body (27), and the probe (29) is electrically connected with a universal meter.
2. The distribution transformer fault detection device according to claim 1, wherein the mounting plate (7) is fixedly connected to the middle portion of the guide rail (8) through a bolt, a fixed seat (9) is fixedly connected to the bottom of the guide rail (8), a first elastic member (10) is fixedly connected to the fixed seat (9), a stopper (11) is fixedly connected to the telescopic end of the first elastic member (10), the stopper (11) penetrates through the guide rail (8), and one side of the stopper (11) away from the first elastic member (10) is of a circular arc structure.
3. The distribution transformer fault detection device according to claim 1, characterized in that the guide seat (12) is fixedly connected with the connecting plate (13), the guide seat (12) is rotatably connected with the handle (14), two ends of the second elastic member (16) are respectively fixedly connected with the connecting plate (13) and the first sliding rod (15), two ends of the third elastic member (20) are respectively fixedly connected with the connecting plate (13) and the push block (21), one side of the push block (21) far away from the second sliding rod (19) is in a circular arc shape, and the rotating seat (17) is rotatably connected with the rotating roller (18).
4. The 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 communicated with a pipe body (28), the lower end of the probe (29) is in a conical structure, the upper end of the probe (29) penetrates through the cylinder (27) and is fixedly connected with a wafer (30).
5. The distribution transformer fault detection device according to claim 1, characterized in that the limiting mechanism comprises a slide rail (2), two slide seats (3) are arranged on the slide rail (2), and two limiting wheels (4) are rotatably connected to the slide seats (3).
6. The 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 of the cross beam (5) is fixedly connected with the sliding base (3), and an elastic telescopic assembly (6) is arranged between the cross beam (5) and the mounting plate (7).
7. The distribution transformer fault detection device according to claim 1, characterized in that the pushing mechanism is located below the winding portion 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 engaged with each other, a rotating shaft (37) is fixedly connected to an upper end of the worm (36), the upper end of the rotating shaft (37) extends through the housing (32) to the outside, and the rotating shaft (37) is rotatably connected to the housing (32).
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 housing (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 housing (32), the limiting rod (34) is fixedly connected with the housing (32), and the screw shaft (33) and the limiting rod (34) are arranged in parallel.
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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| CN115856485A true CN115856485A (en) | 2023-03-28 |
| CN115856485B CN115856485B (en) | 2023-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214779A (en) * | 2023-11-07 | 2023-12-12 | 国网辽宁省电力有限公司 | Transformer fault monitoring device |
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| CN117214779A (en) * | 2023-11-07 | 2023-12-12 | 国网辽宁省电力有限公司 | Transformer fault monitoring device |
| 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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