CN116736056A - External voltage withstand test device for power transformer - Google Patents
External voltage withstand test device for power transformer Download PDFInfo
- Publication number
- CN116736056A CN116736056A CN202310783255.9A CN202310783255A CN116736056A CN 116736056 A CN116736056 A CN 116736056A CN 202310783255 A CN202310783255 A CN 202310783255A CN 116736056 A CN116736056 A CN 116736056A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- connecting rod
- groove
- sliding
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 10
- 230000009466 transformation Effects 0.000 description 3
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an external voltage withstand test device for a power transformer, wherein the upper end of a base is connected with an adjusting device, the adjusting device comprises a shell, a resistor tube, a transmission mechanism and a power mechanism, one side of the upper end of the base is fixedly connected with the shell, a first sliding chute is formed in the shell, the resistor tube is fixedly connected in the first sliding chute, four sliding rails are arranged on the outer sides of the resistor tube, and a first sliding block is sleeved in the first sliding chute in a sliding mode and is sleeved on the sliding rails in a sliding mode. The beneficial effects are that: the driving mechanism is driven by the power mechanism, so that the first sliding block slides, the pulling piece is driven to slide on the outer wall of the resistor tube, the resistance value of the resistor tube is changed, the resistor is changed, the testing device is controlled to boost the voltage of the transformer, the first sliding block can be lifted to be stable during sliding, the testing of the testing device is more accurate, and the pulling piece can be pushed to be clung to the resistor tube through the elastic mechanism.
Description
Technical Field
The invention relates to an external voltage withstand test device for a power transformer.
Background
A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), and the like. The power frequency withstand voltage test is applied to the outside of the transformer according to the quality defects of the design and manufacturing process of the transformer, and is used for the neutral point withstand voltage test and the withstand voltage test of the low-voltage winding of the fully-insulated or graded-insulated transformer.
According to the withstand voltage test method of the high-voltage plug-in type 35kV power transformer disclosed in Chinese patent publication No. CN104569748A, the withstand voltage test method of the high-voltage plug-in type 35kV power transformer is compact in structure, further improves product quality and improves safety.
According to the above patent, when the external voltage withstand test is performed on the transformer, the transformer needs to be stepped up, and after each step up, test data needs to be detected, and the conventional external voltage withstand test device needs to perform manual reciprocating voltage boost control when performing the test, so that the steps are very complicated.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The invention aims to provide an external voltage withstand test device for a power transformer, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a withstand voltage test device is applyed outward to power transformer, the upper end of base is connected with adjusting device, adjusting device includes casing, resistance tube, drive mechanism and power unit, upper end one side fixedly connected with casing of base, spout one has been seted up in the casing, spout one interior fixedly connected with resistance tube, the outside of resistance tube is provided with the slide rail that is four in quantity, slide sleeve is equipped with slider one and slip cap is established on the slide rail in the spout one, pass through the plectrum in the slider one with the resistance tube contact, slider one with be connected through elastic mechanism between the plectrum, one side of slider one is connected with drive mechanism, drive mechanism's upper end is provided with power unit, one side of casing is connected with detection device.
Further, the transmission mechanism comprises a transmission shaft and balls, one side of the first slider is fixedly connected with the second slider, a through hole is formed in one side of the second slider, the transmission shaft is movably sleeved on the second slider, a special-shaped spiral groove is formed in the outer wall of the transmission shaft, the balls are movably embedded in the through hole, and the outer wall of each ball is in contact with the special-shaped spiral groove.
Further, the power mechanism comprises a motor, a first bevel gear and a second bevel gear, the upper end of the shell is fixedly connected with a protective sleeve, the motor is arranged in the protective sleeve and is fixedly connected with the shell, the outer shaft of the motor is fixedly connected with the first bevel gear, one side of the first bevel gear is meshed with the second bevel gear, and the lower end of the second bevel gear is fixedly connected with the transmission shaft.
Further, the elastic mechanism comprises a first connecting rod, a second connecting rod and a first spring, wherein one side, close to the shifting piece, of the first sliding block is provided with a groove and is movably connected with the shifting piece through a rotating shaft, one side, close to the groove, of the shifting piece is hinged with the first connecting rod, the inner wall of the groove is hinged with the second connecting rod, one side of the first connecting rod is provided with a circular groove, a third connecting rod is sleeved in the circular groove in a sliding mode, one end, far away from the first connecting rod, of the third connecting rod is fixedly connected with the second connecting rod, and a first spring is fixedly connected between the first connecting rod and the second connecting rod.
Further, the plectrum is close to one side fixedly connected with fixture block of connecting rod one, slider one is close to one side fixedly connected with stopper of fixture block, one side of stopper seted up with fixture block matched with draw-in groove, offered spout two in the fixture block, spout two interior be provided with fixture block matched with dysmorphism trip, dysmorphism trip's upper end with through spring two fixed connection between the inner wall of spout two.
Further, the upper end of the first sliding groove is fixedly connected with a first ejector block matched with the poking piece, and the lower end of the first sliding groove is fixedly connected with a second ejector block matched with the special-shaped clamping hook.
Further, detection device includes support frame and grounding post, upper end one side fixedly connected with support frame of base, one side of support frame is connected with the grounding post through the connecting plate, the inboard output port of being connected with the transformer of upper end fixedly connected with of support frame.
Compared with the prior art, the invention has the following beneficial effects:
(1) The driving mechanism is driven by the power mechanism, so that the first sliding block slides, the poking piece is driven to slide on the outer wall of the resistor tube, the resistance value of the resistor tube is changed, the resistor is changed, the testing device is controlled to boost the voltage of the transformer, the sliding rail is arranged to improve the stability of the first sliding block in sliding, the testing of the testing device is more accurate, the poking piece can be pushed to enable the poking piece to be clung to the resistor tube through the elastic mechanism, the situation that the poking piece is loose and separated from the resistor tube to cause inaccurate testing data is avoided, the testing device can be used for pressing the transformer, and the pressing experiment is carried out on the transformer.
(2) When the transmission shaft rotates, the ball rolls in the special-shaped spiral groove to drive the second slider to move so as to enable the first slider to slide, and the ball can be intermittently lifted when the transmission shaft rotates through the special-shaped spiral groove arranged on the transmission shaft, so that the resistance is kept for a certain time after being changed at a constant speed, an experimenter is left to record, accurate testing of data is facilitated, the first bevel gear and the second bevel gear are rotated through rotation of the set motor, the transmission shaft is controlled to rotate, the first slider slides in the first sliding groove, and then the resistance of the resistor tube is changed.
(3) The connecting rod III is fixedly connected to one side of the connecting rod II hinged in the groove, so that the connecting rod I and the connecting rod II can be movably connected, the spring I can push the connecting rod I and the connecting rod II to be separated, the pulling sheet is controlled to be away from the groove, the pulling sheet is tightly attached to the resistor tube and cannot loosen, the pulling sheet is matched with the limiting block through the clamping block, when the pulling sheet is pushed by the pushing block I to be separated from the resistor tube, the clamping block slides into the clamping groove, then the special-shaped clamping hook is extruded and clamped with the special-shaped clamping hook, the pulling sheet is prevented from being in rebound contact with the resistor tube, and accordingly the transformer is externally applied with the voltage-resistant experimental device to be powered off, and personnel electric shock is avoided.
(4) The first ejector block can enable the first slider to slide to the topmost end, the first ejector block extrudes the poking piece to enable the poking piece to be separated from the resistor tube, so that power is cut off after data are tested to the maximum value, the risk of accidental electric shock of a person is solved, the second ejector block can enable the first motor control slider to jack up the special-shaped clamping hook to enable the special-shaped clamping hook to be separated from the clamping block when the first motor control slider resets after the experiment is finished, the poking piece is enabled to be contacted with the resistor tube again through the elastic mechanism, the circulating experiment is facilitated, the transformer to be tested can be installed through the support frame and the output port connected with the transformer, and the grounding column can enable current to enter the ground through the ground wire when electric equipment is leaked or the voltage is too high, and the safety of the experiment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an external voltage withstand test device for a power transformer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a regulator in an external voltage withstand test apparatus for a power transformer according to an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of a housing in an external voltage withstand test apparatus for a power transformer according to an embodiment of the present invention;
fig. 5 is an enlarged view at B in fig. 4;
FIG. 6 is a schematic diagram of a first slider in an external voltage withstand test apparatus for a power transformer according to an embodiment of the present invention;
fig. 7 is an enlarged view at C in fig. 6;
fig. 8 is a schematic structural view of a transmission shaft in an external voltage withstand test device for a power transformer according to an embodiment of the present invention.
Reference numerals:
1. a base; 2. a detection device; 3. an adjusting device; 4. a housing; 5. a resistor tube; 6. a transmission mechanism; 7. a power mechanism; 8. a first chute; 9. a slide rail; 10. a first sliding block; 11. a pulling piece; 12. an elastic mechanism; 13. a transmission shaft; 14. a ball; 15. a second slide block; 16. a through hole; 17. a special-shaped spiral groove; 18. a motor; 19. bevel gears I; 20. bevel gears II; 21. a protective sleeve; 22. a first connecting rod; 23. a second connecting rod; 24. a first spring; 25. a groove; 26. a circular groove; 27. a third connecting rod; 28. a clamping block; 29. a limiting block; 30. a clamping groove; 31. a second chute; 32. a special-shaped clamping hook; 33. a second spring; 34. a first ejector block; 35. a second ejector block; 36. a support frame; 37. a grounding column; 38. and (5) connecting a plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings and detailed description:
embodiment one:
referring to fig. 1-8, according to an embodiment of the invention, an external pressure test device for an electric transformer is provided, an adjusting device 3 is connected to the upper end of a base 1, the adjusting device 3 includes a housing 4, a resistor tube 5, a transmission mechanism 6 and a power mechanism 7, one side of the upper end of the base 1 is fixedly connected with the housing 4, a first sliding groove 8 is provided in the housing 4, the resistor tube 5 is fixedly connected to the first sliding groove 8, four sliding rails 9 are provided on the outer side of the resistor tube 5, a first sliding sleeve of the first sliding groove 8 is provided with a first sliding block 10 and is sleeved on the sliding rails 9 in a sliding manner, the first sliding block 10 is contacted with the resistor tube 5 through a pulling block 11, the transmission mechanism 6 is driven by the set power mechanism 7, so that the first sliding block 11 slides on the outer wall of the resistor tube 5, thereby changing the resistance value of the resistor tube 5, and changing the resistance of the test device, so that the voltage of the transformer is boosted by the control device, the sliding rails 9 can promote the stability of the first sliding block 10 when the sliding, enable the test device to be more precisely tested, the first sliding block 10 is in contact with the transmission mechanism 11, and the transmission mechanism 11 is not connected with the transmission mechanism 11 through the elastic force of the transmission mechanism 11, and the transmission mechanism 2 is prevented from being connected with the transmission mechanism 11, and the voltage detector 2 through the elastic force of the pulling block 11, and the transmission mechanism is prevented from being closely connected with the one side of the resistor tube 5.
According to the scheme provided by the invention, the driving mechanism 6 is driven by the arranged power mechanism 7, so that the first slider 10 slides, the poking piece 11 is driven to slide on the outer wall of the resistor tube 5, the resistance value of the resistor tube 5 is changed, the resistance is changed, the test device is controlled to boost the pressure of the transformer, the arranged sliding rail 9 can promote the stability of the first slider 10 during sliding, the test of the test device is more accurate, the poking piece 11 can be pushed by the arranged elastic mechanism 12 to enable the poking piece 11 to be tightly attached to the resistor tube 5, inaccurate test data caused by the fact that the poking piece 11 is loose and separated from the resistor tube 5 is avoided, the transformer can be pressurized by the arranged detection device 2, and a pressurizing experiment is carried out on the transformer.
Embodiment two:
referring to fig. 2, 3 and 8, according to an external pressure test device for an electric transformer of the embodiment of the invention, the transmission mechanism 6 includes a transmission shaft 13 and a ball 14, one side of the first slider 10 is fixedly connected with the second slider 15, a through hole 16 is formed on one side of the second slider 15 and is movably sleeved with the transmission shaft 13, a special-shaped spiral groove 17 is formed on the outer wall of the transmission shaft 13, the ball 14 is movably embedded in the through hole 16, the outer wall of the ball 14 is in contact with the special-shaped spiral groove 17, when the transmission shaft 13 rotates, the ball 14 is made to roll in the special-shaped spiral groove 17 to drive the second slider 15 to move so as to enable the first slider 10 to slide, and through the special-shaped spiral groove 17 arranged on the transmission shaft 13, the ball 14 can be intermittently lifted when the transmission shaft 13 rotates, so that a resistance is changed at a constant speed, a certain time is paused for an experimenter to record, so that accurate test of data is facilitated, the power mechanism 7 includes a motor 18, a first 19 and a bevel gear 20, a protection sleeve 21 is fixedly connected to the upper end of the housing 4, and the first bevel gear 20 is fixedly connected with the outer shaft 18 and the second bevel gear 20, and the first bevel gear 20 is fixedly connected with the first motor 18 and the second bevel gear 20 through the first bevel gear 20, and the second bevel gear 20 is fixedly connected with the second bevel gear 20, and the first bevel gear 20 through the first bevel gear 20.
According to the scheme provided by the invention, when the transmission shaft 13 rotates, the ball 14 rolls in the special-shaped spiral groove 17 to drive the second slider 15 to move so as to enable the first slider 10 to slide, and the ball 14 can be intermittently lifted when the transmission shaft 13 rotates through the special-shaped spiral groove 17 arranged on the transmission shaft 13, so that the resistance is changed at a constant speed and then is suspended for a certain time, and is reserved for an experimenter to record, so that accurate test of data is facilitated, the rotation of the motor 18 is used for enabling the first bevel gear 19 and the second bevel gear 20 to rotate, the rotation of the transmission shaft 13 is controlled, the first slider 10 is enabled to slide in the first chute 8, and the resistance of the resistor tube 5 is further changed.
Embodiment III:
referring to fig. 4-7, according to the external pressure test device for an electric transformer of the embodiment of the invention, the elastic mechanism 12 includes a first connecting rod 22, a second connecting rod 23 and a first spring 24, one side of the first slider 10, which is close to the second connecting rod 23, is provided with a groove 25 and is movably connected with the second connecting rod 11 through a rotating shaft, one side of the first slider 11, which is close to the groove 25, is hinged with the first connecting rod 22, the inner wall of the groove 25 is hinged with the second connecting rod 23, one side of the first connecting rod 22 is provided with a circular groove 26, a third connecting rod 27 is slidably sleeved in the circular groove 26, one end, which is far from the first connecting rod 22, is fixedly connected with the second connecting rod 23, a third connecting rod 27, which is fixedly connected with the first spring 24, is arranged between the first connecting rod 22 and the second connecting rod 23, is arranged in the groove 25, the first connecting rod 22 and the second connecting rod 23 can be movably connected through a connecting rod 27, the first spring 24, which is arranged can push the first connecting rod 22 and the second connecting rod 23 to separate, thereby control the first slider 11 to be far from the groove 25, the second connecting rod 11 is provided with a stop block 31, which is arranged in the second connecting rod 28, which is matched with the first connecting rod 28, a special-shaped block 28 is fixedly connected with the second connecting rod 28, and a stop block 28, which is arranged between the first connecting rod 28 and the second connecting rod 28, and the stop block 28 is fixedly connected with the second connecting rod 28 through a stop block 28, and a second connecting block 28, and a stop block 28, which is arranged at one side of the stop block 28, which is closely to the first end 31, and a stop block 28, which is fixedly connected with the second connecting block 28 and a stop block 28, when the pulling piece 11 is pushed by the first ejector block 34 to be separated from the resistor tube 5, the clamping block 28 slides into the clamping groove 30, then the special-shaped clamping hook 32 is extruded and clamped with the special-shaped clamping hook 32, the pulling piece 11 is prevented from rebounding to be in contact with the resistor tube 5, and therefore the transformer external voltage withstand experimental device is powered off, and personnel electric shock is avoided.
According to the scheme, the first connecting rod 22 and the second connecting rod 23 can be movably connected through the third connecting rod 27 fixedly connected to one side of the second connecting rod 23 hinged in the groove 25, the first spring 24 can push the first connecting rod 22 and the second connecting rod 23 to be separated, so that the pulling piece 11 is controlled to be far away from the groove 25, the pulling piece 11 is tightly attached to the resistor tube 5 and cannot loosen, when the pulling piece 11 is separated from the resistor tube 5 by being pushed by the first ejector block 34 through the matching of the clamping block 28 and the limiting block 29, the clamping block 28 slides into the clamping groove 30, then the special-shaped clamping hook 32 is extruded and clamped with the special-shaped clamping hook 32, and the pulling piece 11 is prevented from rebounding to be contacted with the resistor tube 5, so that the external voltage-withstand experimental device of the transformer is powered off, and personnel electric shock is avoided.
Embodiment four:
referring to fig. 1, fig. 2 and fig. 5, according to the external voltage withstand test device for a power transformer of the embodiment of the invention, the top end of the first chute 8 is fixedly connected with the first ejector block 34 matched with the pulling block 11, the first ejector block 34 can enable the pulling block 11 to be separated from the resistor tube 5 by extruding the pulling block 11 when the first slider 10 slides to the topmost end through the first ejector block 34, so that the power failure is carried out after the data test reaches the maximum value, the risk of accidental electric shock of a person is solved, the bottom end of the first chute 8 is fixedly connected with the second ejector block 35 matched with the special-shaped clamping hook 32, after the experiment is finished, the motor 18 controls the first slider 10 to reset, the special-shaped clamping hook 32 is lifted up through the second ejector block 35, the pulling block 11 is enabled to be in contact with the resistor tube 5 again through the elastic mechanism 12 arranged, the circulating experiment is facilitated, the detection device 2 comprises a support 36 and a grounding post 37, one side of the base 1 is fixedly connected with the support 36, the grounding post is arranged on one side of the support 36, and the grounding post is enabled to be connected with the ground through the support 36 or the grounding post 37, and the high voltage is enabled to enter the ground through the grounding post 37, and the high voltage is enabled to be connected with the high voltage device.
According to the scheme, the first slider 10 can slide to the topmost end through the first ejection block 34, the first ejection block 34 extrudes the poking piece 11 to separate the poking piece 11 from the resistor tube 5, so that when data are tested to the maximum value, power is cut off, the risk of accidental electric shock of a person is solved, after an experiment is finished, the external voltage withstand test device of the transformer can be controlled by the motor 18 to reset the first slider 10 through the second ejection block 35, the special-shaped clamping hooks 32 are lifted up through the second ejection block 35 to separate the special-shaped clamping hooks 32 from the clamping blocks 28, the poking piece 11 is contacted with the resistor tube 5 again through the elastic mechanism 12 so as to facilitate a cyclic experiment, the transformer to be tested can be installed through the support frame 36 and the output port connected with the transformer, and the grounding post 37 can enable current to enter the ground through the ground wire when electric equipment is leaked or the voltage is too high, and the safety of the experiment is increased.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a withstand voltage test device is applyed outward to power transformer, includes base (1), detection device (2) and adjusting device (3), its characterized in that, the upper end of base (1) is connected with adjusting device (3), adjusting device (3) include casing (4), resistance tube (5), drive mechanism (6) and power unit (7), upper end one side fixedly connected with casing (4) of base (1), spout one (8) have been seted up in casing (4), fixedly connected with resistance tube (5) in spout one (8), the outside of resistance tube (5) is provided with slide rail (9) that are four in quantity, the slip cap is equipped with slider one (10) and slip cap is established on slide rail (9), through plectrum (11) with be in contact with resistance tube (5), be connected through elastic mechanism (12) between slider one (10) with drive mechanism (6), drive mechanism one side (6) are connected with on one side of slider one (10), drive mechanism (6) have on the casing (4).
2. The external voltage withstand test device for the power transformer according to claim 1, wherein the transmission mechanism (6) comprises a transmission shaft (13) and balls (14), one side of the first slider (10) is fixedly connected with the second slider (15), one side of the second slider (15) is provided with a through hole (16) and is movably sleeved with the transmission shaft (13), the outer wall of the transmission shaft (13) is provided with a special-shaped spiral groove (17), the balls (14) are movably embedded in the through hole (16), and the outer wall of the balls (14) is in contact with the special-shaped spiral groove (17).
3. The external voltage withstand test device for the power transformer according to claim 2, wherein the power mechanism (7) comprises a motor (18), a first bevel gear (19) and a second bevel gear (20), the upper end of the shell (4) is fixedly connected with a protective sleeve (21), the motor (18) is arranged in the protective sleeve (21) and is fixedly connected with the shell (4), the outer shaft of the motor (18) is fixedly connected with the first bevel gear (19), one side of the first bevel gear (19) is meshed with the second bevel gear (20), and the lower end of the second bevel gear (20) is fixedly connected with the transmission shaft (13).
4. The external pressure test device for the power transformer according to claim 3, wherein the elastic mechanism (12) comprises a first connecting rod (22), a second connecting rod (23) and a first spring (24), a groove (25) is formed in one side, close to the poking piece (11), of the first sliding block (10) and is movably connected with the poking piece (11) through a rotating shaft, a first connecting rod (22) is hinged to one side, close to the groove (25), of the poking piece (11), a second connecting rod (23) is hinged to the inner wall of the groove (25), a circular groove (26) is formed in one side of the first connecting rod (22), a third connecting rod (27) is sleeved in the circular groove (26) in a sliding mode, one end, far away from the first connecting rod (22), of the third connecting rod is fixedly connected with the second connecting rod (23), and the first spring (24) is fixedly connected between the first connecting rod (22) and the second connecting rod (23).
5. The external voltage withstand test device for the power transformer according to claim 4, wherein a clamping block (28) is fixedly connected to one side, close to the first connecting rod (22), of the pulling sheet (11), a limiting block (29) is fixedly connected to one side, close to the first clamping block (28), of the sliding block (10), a clamping groove (30) matched with the clamping block (28) is formed in one side of the limiting block (29), a second sliding groove (31) is formed in the clamping block (28), a special-shaped clamping hook (32) matched with the clamping block (28) is arranged in the second sliding groove (31) in a sliding mode, and the upper end of the special-shaped clamping hook (32) is fixedly connected with the inner wall of the second sliding groove (31) through a second spring (33).
6. The external voltage withstand test device for the power transformer according to claim 5, wherein a first ejector block (34) matched with the poking sheet (11) is fixedly connected to the upper end of the first sliding groove (8), and a second ejector block (35) matched with the special-shaped hook (32) is fixedly connected to the lower end of the first sliding groove (8).
7. The power transformer external voltage withstand test device according to claim 6, wherein the detection device (2) comprises a support frame (36) and a grounding column (37), the support frame (36) is fixedly connected to one side of the upper end of the base (1), the grounding column (37) is connected to one side of the support frame (36) through a connecting plate (38), and an output port connected with the transformer is fixedly connected to the inner side of the upper end of the support frame (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310783255.9A CN116736056B (en) | 2023-06-29 | 2023-06-29 | External voltage withstand test device for power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310783255.9A CN116736056B (en) | 2023-06-29 | 2023-06-29 | External voltage withstand test device for power transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116736056A true CN116736056A (en) | 2023-09-12 |
| CN116736056B CN116736056B (en) | 2024-03-05 |
Family
ID=87911420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310783255.9A Active CN116736056B (en) | 2023-06-29 | 2023-06-29 | External voltage withstand test device for power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116736056B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200711978A (en) * | 2005-09-23 | 2007-04-01 | Hiwin Tech Corp | Ball screw transfer mechanism for elevator |
| CN201391138Y (en) * | 2009-04-21 | 2010-01-27 | 上海安伴电子有限公司 | Transmission mechanism used for electronic lock |
| CN107863213A (en) * | 2017-11-02 | 2018-03-30 | 安徽理工大学 | A kind of electric slide-wire rheostat |
| CN112946445A (en) * | 2021-05-17 | 2021-06-11 | 广东电网有限责任公司东莞供电局 | External application voltage withstand test device for power transformer |
| DE212020000568U1 (en) * | 2020-10-16 | 2021-11-24 | Suzhou Chaoshuofan Plastic Products Co., Ltd. | Multifunctional plastic performance tester |
| CN114047418A (en) * | 2022-01-11 | 2022-02-15 | 南通弘宸电气设备制造有限公司 | External application voltage withstand test equipment for power transformer |
| CN114941832A (en) * | 2022-06-14 | 2022-08-26 | 深圳市宇亿鑫照明科技有限公司 | Thing networking unreal color lamp area light adjusting device |
-
2023
- 2023-06-29 CN CN202310783255.9A patent/CN116736056B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200711978A (en) * | 2005-09-23 | 2007-04-01 | Hiwin Tech Corp | Ball screw transfer mechanism for elevator |
| CN201391138Y (en) * | 2009-04-21 | 2010-01-27 | 上海安伴电子有限公司 | Transmission mechanism used for electronic lock |
| CN107863213A (en) * | 2017-11-02 | 2018-03-30 | 安徽理工大学 | A kind of electric slide-wire rheostat |
| DE212020000568U1 (en) * | 2020-10-16 | 2021-11-24 | Suzhou Chaoshuofan Plastic Products Co., Ltd. | Multifunctional plastic performance tester |
| CN112946445A (en) * | 2021-05-17 | 2021-06-11 | 广东电网有限责任公司东莞供电局 | External application voltage withstand test device for power transformer |
| CN114047418A (en) * | 2022-01-11 | 2022-02-15 | 南通弘宸电气设备制造有限公司 | External application voltage withstand test equipment for power transformer |
| CN114941832A (en) * | 2022-06-14 | 2022-08-26 | 深圳市宇亿鑫照明科技有限公司 | Thing networking unreal color lamp area light adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116736056B (en) | 2024-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105974290B (en) | A kind of dry-type air-core reactor turn-to-turn insulation performance detecting system and method | |
| CN203572918U (en) | Oil paper insulation breakdown intensity experiment device | |
| CN112730873B (en) | Motor rotation speed detector and detection method thereof | |
| CN116736056B (en) | External voltage withstand test device for power transformer | |
| CN115938788A (en) | Iron core winding device for transformer production and processing | |
| CN114002568A (en) | Automatic water injection type pressure resistance tester | |
| CN106706988B (en) | Multifunctional coupling capacitance voltage divider for partial discharge test of transformer | |
| CN205484682U (en) | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation | |
| CN112466662A (en) | Automatic production equipment for transformer winding of power system | |
| CN113359061B (en) | Circuit leakage detection device | |
| CN105855191B (en) | A kind of fixed inductance automatic sorting production line | |
| CN208334465U (en) | Power plant's electric signal multiple amplifier | |
| CN208334469U (en) | Semi-automatic electrical signal tester | |
| CN212460013U (en) | Amorphous alloy annular sample magnetic property measurement sample table | |
| CN208334466U (en) | Assistor detects in power plant with automatic deploying and retracting line function | |
| CN208334468U (en) | Multi gear position automatic-switching type electric signal tester | |
| CN219641775U (en) | Integrated high-capacity capacitor testing device | |
| CN221039262U (en) | Detection device of transformer | |
| CN208334470U (en) | Generate electricity station service stream rapid measurement device | |
| CN209946348U (en) | Portable CT return circuit detection device that opens a way | |
| CN220961684U (en) | Transformer testing device | |
| CN208334467U (en) | The electric auxiliary machine of the dedicated survey of power plant electrician | |
| CN105527502A (en) | High-efficiency fully-automatic magnetic core test device | |
| CN206248770U (en) | Integral type dry-type air-core reactor defect detecting device | |
| CN106526335B (en) | Radial pressure variable rewinding material loss test system and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |