CN116447954B - Insulation column detection device for transformer - Google Patents
Insulation column detection device for transformer Download PDFInfo
- Publication number
- CN116447954B CN116447954B CN202310678065.0A CN202310678065A CN116447954B CN 116447954 B CN116447954 B CN 116447954B CN 202310678065 A CN202310678065 A CN 202310678065A CN 116447954 B CN116447954 B CN 116447954B
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- detection
- cleaning
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- rod
- piece
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- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 238000009413 insulation Methods 0.000 title claims description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 104
- 238000007790 scraping Methods 0.000 claims description 20
- 238000010030 laminating Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
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- B08B1/165—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- 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
Abstract
The invention relates to the field of detection of electric elements, in particular to an insulating column detection device for a transformer, which comprises a placing support seat for locking an insulating column, wherein a detection component for detecting the insulating column is arranged above the placing support seat, and comprises an inner detection unit for detecting the circumference of the inner side wall of the insulating column and an outer detection unit for detecting the circumference of the outer side surface of the insulating column. The invention positions the insulating column for the transformer in a centering locking mode, detects the insulating column in a cleaning and detecting combined mode, and further increases the detecting efficiency of the appearance of the insulating column.
Description
Technical Field
The invention relates to the field of detection of power elements, in particular to an insulating column detection device for a transformer.
Background
The insulation column for a transformer refers to a bushing for protecting a high-voltage coil of the transformer, which is generally made of an insulating material. The insulating column for the transformer has the main functions of insulation and sealing, can prevent faults such as electric arc, electric leakage and the like, and can also protect the high-voltage coil from being influenced by external environment. The insulating column for the transformer is of a hollow cylinder structure, and a plurality of equalizing rings are arranged on the outer side of the insulating column, so that the mechanical strength of the insulating sleeve is increased, the occurrence rate of leakage current of the transformer can be reduced, and the electrical safety performance is improved. Before use, the insulation column for the transformer needs to be inspected, such as appearance detection and insulation performance test.
The transformer is with insulating column need clear up it before carrying out appearance detection to prevent to lead to the fact the influence when detecting appearance to the debris of insulating column adhesion, the medial surface of insulating column and equalizer ring need carry out circumference detection through circumference detection equipment respectively.
The existing problems in the appearance detection of the insulating column are as follows: firstly, the insulation column appearance detection and the cleaning thereof need to be separated for operation, and the inner side surface of the insulation column and the equalizing ring cannot be synchronously detected, so that the insulation column appearance detection efficiency is lower, and the circumference detection equipment and the insulation column cannot be subjected to centering treatment, and the adjustment is complicated when the insulation columns of different types are detected, so that the circumference detection accuracy of the insulation column is low.
Disclosure of Invention
The technical scheme is adopted to solve the technical problems, the insulating column detection device for the transformer comprises a placing support used for locking an insulating column, a detection component used for detecting the insulating column is arranged above the placing support, the detection component comprises a telescopic rotating piece locked at the outer free end, an inner detection unit used for detecting the circumference of the inner side wall of the insulating column is connected to the bottom of the telescopic rotating piece, a connecting ring is arranged on the outer side face of the lower end of the telescopic rotating piece, the connecting ring is located on the outer side of the upper portion of the inner detection unit, outer detection units are symmetrically arranged on the connecting ring, and the outer detection units are used for detecting the circumference of the outer side face of the insulating column.
The placing support can lock the insulation column in a centering way, so that the axial lead of the connecting ring corresponds to the axial lead of the insulation column and the axial lead of the telescopic rotating piece.
The inner detection unit comprises a connecting cylinder coaxially arranged at the bottom of the telescopic rotating piece, the outer side surface of the connecting cylinder is symmetrically provided with a detection sliding groove and a cleaning sliding groove respectively, a detection sliding frame is arranged in the detection sliding groove in a sliding manner, a cleaning sliding block is arranged in the cleaning sliding groove in a sliding manner, the detection sliding frame and the cleaning sliding block are synchronously internally and externally adjusted through an adjusting piece, a ball plate is arranged in the detection sliding frame through a top extension spring, an inner side pressure detection end is arranged on the side surface of the detection sliding frame, which is positioned in the detection sliding groove, a pushing rod is arranged on the ball plate, and passes through the detection sliding frame and extends into the inner side pressure detection end; the cleaning slide block is used for cleaning the inner wall of the insulating column before the insulating column is detected.
The outer detection unit comprises a position pushing piece which is installed on the connecting ring in a penetrating mode, a rotating disc is installed at the bottom of the position pushing piece, an outer detection piece and an outer cleaning piece are installed at the bottom of the rotating disc respectively, and the outer detection piece or the outer cleaning piece is opposite to the insulating column through rotation adjustment of the rotating disc.
Preferably, the cleaning slide block comprises a scraper blade which is slidably mounted in the cleaning slide block through a spring, one end of the scraper blade, which is positioned outside the connecting cylinder, is of a pointed structure, one end of the scraper blade, which is positioned inside the connecting cylinder, is provided with a positioning groove, the connecting cylinder is provided with a positioning extension plate, the positioning extension plate is slidably provided with a positioning inserting rod, and the positioning inserting rod can be inserted into the positioning groove to enable the scraper blade to be in a contracted state.
Preferably, a guiding chute is arranged at the lower end of the scraping plate.
Preferably, the connecting ring is symmetrically provided with a detection and adjustment chute, the position pushing piece comprises a position adjustment column which is arranged in the detection and adjustment chute in a sliding manner, the upper end of the adjustment column is connected with the telescopic end of the adjustment push rod, and the fixed end of the adjustment push rod is connected to the upper side face of the connecting ring.
Preferably, the rotating disc comprises an upper rotating disc connected to the bottom of the adjusting column and an adjusting rotating disc rotatably connected to the lower side of the upper rotating disc, an elastic locking column is arranged on the adjusting rotating disc, and locking jacks are arranged on the lower side of the upper rotating disc at positions corresponding to the outer detecting piece and the outer cleaning piece respectively.
Preferably, the outer detection piece is including installing the outer detection support that just is L type structure in adjusting the carousel bottom, and the vertical section of outer detection support runs through and is provided with the detection laminating pole, detects the middle part of laminating pole and is connected with the one end that supports the pressure spring, supports the other end of pressure spring and installs the side at outer detection support, detects the one end of laminating pole that keeps away from adjusting the carousel axial lead and is the laminating end, detects the other end of laminating pole and is located outside pressure detection end, and outside pressure detection end is installed in the side of outer detection support.
Preferably, the middle part of the attaching end of the detecting attaching rod is of an arc-shaped structure, and the upper end and the lower end of the detecting attaching rod are respectively provided with a chute.
Preferably, the outer cleaning piece is including installing the clean riser in adjusting the carousel bottom, and clean riser is kept away from the side of adjusting the carousel axial lead and is installed clean arc through clean spring bar, and clean arc is kept away from the side of clean spring bar and is provided with a plurality of outer clean scraping teeth.
Preferably, the distance from the outer cleaning scraping teeth to the axis of the adjusting turntable is equal to the distance from the attaching end of the detecting attaching rod to the axis of the adjusting turntable.
Preferably, a flexible cleaning belt is arranged between two adjacent outer cleaning scraping teeth, two ends of the flexible cleaning belt are respectively fixed on the flexible cleaning belt posts, and the flexible cleaning belt posts are fixed on the cleaning arc plate.
The invention has the beneficial effects that: 1. the invention positions the insulating column for the transformer in a centering locking mode, detects the insulating column in a cleaning and detecting combined mode, and further increases the detecting efficiency of the appearance of the insulating column.
2. The cleaning slide block is used for cleaning the inner wall of the insulating column before the insulating column is detected, the inner detection unit can clean the inner side surface of the insulating column first, and then the circumference of the inner side surface of the insulating column is detected, so that the influence of impurities adhered to the inner side of the insulating column on the detection of the insulating column is prevented.
3. The invention adopts a mode of retracting the cleaning executing piece in the cleaning slide block, so that the cleaning slide block cannot be influenced when the circumference of the inner side surface of the insulating column is detected.
4. The outer detection unit can synchronously clean the equalizing ring of the insulation column when the inner detection unit cleans the inner side surface of the insulation column so as to clean sundries on the outer side of the equalizing ring of the insulation column, and then synchronously detect the circumference of the equalizing ring of the insulation column when the inner detection unit detects the circumference of the inner side surface of the insulation column.
5. According to the invention, the outer cleaning piece is used for scraping and cleaning the equalizing ring of the insulating column, the arc-shaped cleaning groove of the outer cleaning scraping tooth can be stuck to the outer side of the equalizing ring of the insulating column, so that sundries on the outer side of the equalizing ring of the insulating column can be cleaned, the flexible cleaning belt can be automatically deformed and stuck to the outer side of the equalizing ring of the insulating column when contacting with the equalizing ring of the insulating column, the cleaning area of the equalizing ring of the insulating column is increased, and the cleaning effect of the equalizing ring of the insulating column is further increased.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention (part of the external detection unit is not shown).
Fig. 2 is a schematic perspective view of the invention with the rest stand removed (the springs in the hold-down spring and the cleaning spring bar are not shown).
Fig. 3 is a schematic perspective view of the detecting unit in the present invention.
Fig. 4 is a cross-sectional view of the invention between the connecting cylinder and the detection slide frame.
FIG. 5 is a cross-sectional view of the invention between a connecting cylinder and a cleaning slider.
Fig. 6 is a schematic perspective view of the outer detecting unit according to the present invention after the position pushing member is removed.
Fig. 7 is a vertical sectional structural view of fig. 6 according to the present invention.
Fig. 8 is a schematic view of the structure between the cleaning arcuate plate, the outer cleaning scraping teeth, the flexible cleaning tape and the telescopic cleaning tape post of the present invention.
Fig. 9 is a schematic plan view of the present invention (the springs in the hold-down spring and the cleaning spring bar are not shown).
In the figure: 1. placing a support; 2. a telescopic rotating member; 3. an inner detection unit; 4. a connecting ring; 5. an outer detection unit; 31. a connecting cylinder; 32. detecting a sliding frame; 33. cleaning the sliding block; 34. a top extension spring; 35. a ball plate; 36. a push rod; 51. a position pushing member; 52. a rotating disc; 53. an outer detecting member; 54. an outer cleaning member; 331. a scraper; 332. a positioning groove; 333. positioning an extension plate; 334. positioning the inserted link; 511. an adjusting column; 512. adjusting the push rod; 521. an upper turntable; 522. adjusting a turntable; 523. an elastic locking column; 524. locking the jack; 531. an outer detection bracket; 532. detecting a laminating rod; 533. pressing the spring; 541. cleaning the vertical plate; 542. cleaning a spring rod; 543. cleaning the arc-shaped plate; 544. cleaning the scraping teeth; 545. a flexible cleaning tape; 546. the cleaning belt stretches out and draws back the post.
Detailed Description
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 and 9, an insulation column detection device for a transformer, including being used for carrying out the placing support 1 of locking to the insulation column, placing support 1's top is provided with the detection component that detects the insulation column, and detection component is including locking the flexible rotating member 2 at outside free end, and the bottom of flexible rotating member 2 is connected with the interior detecting element 3 that carries out circumference detection to the insulation column inside wall, and link ring 4 is installed to the lower extreme lateral surface of flexible rotating member 2, and link ring 4 is located the top outside of interior detecting element 3, and the symmetry is installed outer detecting element 5 on the link ring 4, and outer detecting element 5 is used for detecting the circumference of insulation column lateral surface. The invention can detect the circumferences of the inner side wall and the outer stabilizing ring of the insulating column for the transformer so as to judge whether the quality of the insulating column meets the requirement, and specifically, firstly, the insulating column is locked by placing the support 1 so that the insulating column is in a vertical state, and the inner detecting unit 3 and the outer detecting unit 5 can be driven to synchronously move downwards by the telescopic rotating piece 2, so that the invention can synchronously detect the inner circumference and the outer circumference of the insulating column.
Referring to fig. 1, the placement support 1 can lock the insulation column in a centering manner, so that the axial lead of the linkage ring 4 corresponds to the axial lead of the insulation column and the axial lead of the telescopic rotating member 2, and the placement support 1 locks the insulation column in a centering manner, so that the axial lead of the insulation column, the axial lead of the telescopic rotating member 2 and the axial lead of the linkage ring 4 coincide with each other, and further the detection precision of the circumference of the inner side and the outer side of the insulation column is improved.
It should be noted that, in this embodiment, two clamping arc plates capable of moving synchronously inside and outside are provided on the placing support 1 to clamp and position the insulation column, the lower ends of the two clamping arc plates are driven by a bidirectional screw rod, in addition, in order to increase the stability of clamping the insulation column, the inner side surface of the clamping arc plate can be provided with a clamping pad with an elastic structure, so as to increase the stability of clamping the insulation column.
Referring to fig. 3 and 4, the inner detecting unit 3 includes a connecting cylinder 31 coaxially installed at the bottom of the telescopic rotating member 2, a detecting sliding groove and a cleaning sliding groove are symmetrically provided on the outer side surface of the connecting cylinder 31, a detecting sliding frame 32 is slidably provided in the detecting sliding groove, a cleaning sliding block 33 is slidably provided in the cleaning sliding groove, the detecting sliding frame 32 and the cleaning sliding block 33 are synchronously adjusted in and out positions through adjusting members, a ball plate 35 is installed in the detecting sliding frame 32 through a top extension spring 34, an inner side pressure detecting end is provided on the side surface of the detecting sliding frame 32 located in the detecting sliding groove, a pushing rod 36 is provided on the ball plate 35, and the pushing rod 36 penetrates through the detecting sliding frame 32 and extends into the inner side pressure detecting end; the clearance slider 33 is used for clearing up its inner wall before the insulating column detects, interior detecting element 3 can clear up the medial surface of insulating column at first, afterwards detect its circumference of going on the medial surface, and then prevent that the inside adnexed debris of insulating column from causing the influence to the detection of insulating column, when the medial surface circumference of insulating column detects, adjust the regulating part according to the diameter of the medial surface of insulating column, make ball plate 35 and the medial surface position of insulating column corresponding, then control telescopic rotating member 2 moves down and rotates, make connecting cylinder 31 drive ball plate 35 move down synchronous, after ball plate 35 moves to the insulating column inner wall position, ball plate 35 can shrink certain distance, make push rod 36 alternate in the medial pressure detection end, there is the reading of initial pressure this moment, when the medial surface of insulating column appears sunken or protruding, ball plate 35 carries out corresponding telescopic movement under the effect of top extension spring 34, simultaneously, the pressure value of medial pressure detection end can change when push rod 36 position changes, and then medial surface or protruding when detecting the big medial surface is sunken to be detected, the value of pressure detection end can be more than the inside circumference detection end, thereby the alarm value can take place visually and whether the inside of the alarm value can be met.
It should be noted that, the present elastic pressure detector is adopted at the inner pressure detecting end, the pressure value will be generated after the detecting end is pressed, and the elastic pressure detector will give an alarm when the pressure at the detecting end exceeds the preset maximum threshold or is smaller than the minimum threshold; in addition, it can be understood that the adjusting member may be any mechanism for adjusting the synchronous positions of the detecting sliding frame 32 and the cleaning sliding block 33, in this embodiment, the adjusting member is an adjusting screw, the adjusting screw is rotatably mounted at the center position of the lower side surface of the connecting barrel 31, a moving block is screwed on the adjusting screw, and the moving block is respectively connected with the detecting sliding frame 32 and the cleaning sliding block 33 through a stirring post.
In order to prevent the cleaning slider 33 from affecting the circumference of the inner side surface of the insulation column during detection, the invention is realized by taking up and paying off the cleaning executing piece in the cleaning slider 33, referring to fig. 5, the cleaning slider 33 comprises a scraper 331 slidably installed in the cleaning slider 33 through a spring, one end of the scraper 331 positioned outside the connecting cylinder 31 is in a pointed structure, one end of the scraper 331 positioned in the connecting cylinder 31 is provided with a positioning groove 332, the connecting cylinder 31 is provided with a positioning extension plate 333, the positioning extension plate 333 is slidably provided with a positioning inserting rod 334, and the positioning inserting rod 334 can be inserted in the positioning groove 332 to enable the scraper 331 to be in a contracted state; the lower extreme of scraper blade 331 is provided with the direction chute, and the outer end of scraper blade 331 is the clearance executive component in the clearance slider 33 promptly, after the insulating column dead center locking and before it carries out inside and outside circumference detection, adjusts clearance slider 33 to suitable position, then control flexible rotating member 2 and move down and rotate, scraper blade 331 can move in the insulating column under its direction chute's effect, later along with flexible rotating member 2 continue rotatory downmovement make scraper blade 331 strike off the clearance with the debris of insulating column medial surface, control flexible rotating member 2 is restored to the initial position after the insulating column clearance is accomplished.
Referring to fig. 1 and 6, the outer detecting unit 5 includes a position pushing member 51 penetrating through and mounted on the connecting ring 4, a rotating disc 52 is mounted at the bottom of the position pushing member 51, an outer detecting member 53 and an outer cleaning member 54 are mounted at the bottom of the rotating disc 52, the outer detecting member 53 or the outer cleaning member 54 is made to face an insulation column by rotating and adjusting the rotating disc 52, the outer detecting unit 5 can clean the equalizing ring of the insulation column synchronously when the inner side surface of the insulation column is cleaned by the inner detecting unit 3, so that impurities on the outer side of the equalizing ring of the insulation column are cleaned, and then the outer detecting unit 5 detects the circumference of the equalizing ring of the insulation column synchronously when the inner side surface of the insulation column is detected by the inner detecting unit 3.
When the external dimension of the insulation column to be detected changes, the position of the rotating disc 52 can be adjusted through the position pushing piece 51, so that the invention can be suitable for insulation columns of different types, applicability of the invention is improved, referring to fig. 1 and 2, the linkage ring 4 is symmetrically provided with detection and adjustment sliding grooves, the position pushing piece 51 comprises a position adjustment column 511 which is arranged in the detection and adjustment sliding grooves in a sliding manner, the upper end of the adjustment column 511 is connected with the telescopic end of the adjustment push rod 512, the fixed end of the adjustment push rod 512 is connected to the upper side surface of the linkage ring 4, in the embodiment, the adjustment push rod 512 adopts an electric push rod, and particularly, the adjustment push rod 512 performs telescopic motion, so that the adjustment column 511 drives the rotating disc 52 to perform position adjustment. It can be understood that, in this embodiment, scale marks are provided on the connecting ring 4 and located at two sides of the detecting and adjusting chute, and the position of the adjusting column 511 can be displayed by contrasting with the scale marks, so as to increase the accuracy of adjusting the position of the adjusting column 511.
Referring to fig. 6 and 7, the rotating disc 52 includes an upper rotating disc 521 connected to the bottom of the adjusting column 511, an adjusting rotating disc 522 rotatably connected to the lower side of the upper rotating disc 521, and an elastic locking column 523 is disposed on the adjusting rotating disc 522, and locking insertion holes 524 are disposed on the lower side of the upper rotating disc 521 corresponding to the positions of the outer detecting member 53 and the outer cleaning member 54, respectively.
Referring to fig. 6 to 8, the outer cleaning member 54 includes a cleaning vertical plate 541 installed at the bottom of the adjustment turntable 522, a cleaning arc plate 543 is installed on a side of the cleaning vertical plate 541 away from the axis of the adjustment turntable 522 through a cleaning spring lever 542, two outer cleaning scraping teeth 544 are provided on a side of the cleaning arc plate 543 away from the cleaning spring lever 542, and an arc cleaning groove is provided in the middle of the outer cleaning scraping teeth 544; the arc-shaped cleaning grooves of the outer cleaning scraping teeth 544 can be attached to the outer side of the insulation column equalizing ring, impurities on the outer side of the insulation column equalizing ring can be cleaned, the flexible cleaning belt 545 can automatically deform and attach to the outer side of the insulation column equalizing ring when being in contact with the insulation column equalizing ring, and the cleaning area of the insulation column equalizing ring is increased.
Referring to fig. 6 and 7, the outer detecting member 53 includes an outer detecting bracket 531 installed at the bottom of the adjusting turntable 522 and having an L-shaped structure, a vertical section of the outer detecting bracket 531 is provided with a detecting attaching rod 532 penetrating therethrough, a middle portion of the detecting attaching rod 532 is connected with one end of the pressing spring 533, the other end of the pressing spring 533 is installed on a side surface of the outer detecting bracket 531, one end of the detecting attaching rod 532 far from an axis line of the adjusting turntable 522 is an attaching end, the other end of the detecting attaching rod 532 is located in an outer pressure detecting end, and the outer pressure detecting end is installed on a side surface of the outer detecting bracket 531; detect laminating pole 532's laminating end middle part and be arc structure, detect laminating pole 532's upper and lower both ends all are provided with the chute, outer detecting element 53 can carry out the detection of circumference to the equalizer ring of insulated column, when need carry out circumference to the equalizer ring of insulated column and examine time measuring, adjust outer detecting element 53 to just to the insulated column, when telescopic rotating element 2 moves down the equalizer ring position of insulated column, control telescopic rotating element 2 stops down moving, and telescopic rotating element 2 keeps rotating the state, detect laminating pole 532 and have the equalizer ring lateral surface at the insulated column of certain dynamics under the effect of supporting pressure spring 533 this moment, when detecting laminating pole 532 rotates along with telescopic rotating element 2, the equalizer ring appearance exceeds the recess of standard or when protruding, the pressure numerical value of outside pressure detecting end can surpass predefined scope, thereby judge whether the equalizer ring circumference of insulated column accords with the standard, detect laminating pole 532's arc structure can laminate in the outside, and detect the chute at laminating pole 532 both ends can lead it, prevent that detecting that measuring pole 532 card from moving in equalizer ring upside or downside, it can't laminate all the equalizer rings to detect the equal circumference of insulated column through detecting step.
It can be understood that the working principle of the outer pressure detecting end and the inner pressure detecting end is the same, so that the outer pressure detecting end is not repeated.
It should be noted that, the lower end of the middle arc structure of the detecting attaching rod 532 is provided with a hemispherical protrusion, the circumference of the outer side surface of the insulating column can be detected, when the circumference of the outer side surface of the insulating column needs to be detected, the telescopic rotating member 2 is controlled to move downwards to the outer side surface of the insulating column, the hemispherical protrusion of the detecting attaching rod 532 is attached to the outer side surface through the extension adjusting push rod 512, and the circumference of the outer side surface of the insulating column is detected by the outer side pressure detecting end through the rotation of the telescopic rotating member 2.
Referring to fig. 7, the distance from the outer cleaning scraping teeth 544 to the axial line of the adjusting turntable 522 is equal to the distance from the attaching end of the detecting attaching rod 532 to the axial line of the adjusting turntable 522, so that the adjusting turntable 522 does not need to adjust the position of the adjusting column 511 after rotating and adjusting the insulating columns of the same type.
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 spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides an insulating column detection device for transformer, includes and is used for carrying out the support (1) of placing of locking to the insulating column, and the top of placing support (1) is provided with the detection component that detects the insulating column, a serial communication port, detection component is including locking at the flexible rotating member (2) of outside free end, and the bottom of flexible rotating member (2) is connected with interior detecting element (3) that carries out circumference detection to the insulating column inside wall, and link ring (4) are installed to the lower extreme lateral surface of flexible rotating member (2), and link ring (4) are located the top outside of interior detecting element (3), and the symmetry is installed outer detecting element (5) on link ring (4), and outer detecting element (5) are used for detecting the circumference of insulating column lateral surface;
the placing support (1) can lock the insulation column in a centering way, so that the axial lead of the connecting ring (4) corresponds to the axial lead of the insulation column and the axial lead of the telescopic rotating piece (2);
the inner detection unit (3) comprises a connecting cylinder (31) coaxially arranged at the bottom of the telescopic rotating piece (2), the outer side surface of the connecting cylinder (31) is symmetrically provided with a detection sliding groove and a cleaning sliding groove respectively, a detection sliding frame (32) is arranged in the detection sliding groove in a sliding manner, a cleaning sliding block (33) is arranged in the cleaning sliding groove in a sliding manner, the detection sliding frame (32) and the cleaning sliding block (33) are synchronously internally and externally adjusted through an adjusting piece, a ball plate (35) is arranged in the detection sliding frame (32) through a top extension spring (34), an inner side pressure detection end is arranged on the side surface of the detection sliding frame (32) positioned in the detection sliding groove, a pushing rod (36) is arranged on the ball plate (35), and the pushing rod (36) penetrates the detection sliding frame (32) and extends into the inner side pressure detection end; the cleaning slide block (33) is used for cleaning the inner wall of the insulating column before detection;
the cleaning sliding block (33) comprises a scraping plate (331) which is slidably arranged in the cleaning sliding block (33) through a spring, one end of the scraping plate (331) positioned outside the connecting cylinder (31) is of a pointed structure, one end of the scraping plate (331) positioned in the connecting cylinder (31) is provided with a positioning groove (332), the connecting cylinder (31) is provided with a positioning extending plate (333), the positioning extending plate (333) is slidably provided with a positioning inserting rod (334), and the positioning inserting rod (334) can be inserted in the positioning groove (332) so that the scraping plate (331) is in a contracted state;
the outer detection unit (5) comprises a position pushing piece (51) which is installed on the connecting ring (4) in a penetrating way, a rotating disc (52) is installed at the bottom of the position pushing piece (51), an outer detection piece (53) and an outer cleaning piece (54) are respectively installed at the bottom of the rotating disc (52), and the rotating disc (52) is rotated and adjusted so that the outer detection piece (53) or the outer cleaning piece (54) is opposite to the insulating column;
the outer detection piece (53) comprises an outer detection support (531) which is arranged at the bottom of the adjusting turntable (522) and is of an L-shaped structure, a vertical section of the outer detection support (531) is provided with a detection laminating rod (532) in a penetrating manner, the middle of the detection laminating rod (532) is connected with one end of a pressing spring (533), the other end of the pressing spring (533) is arranged on the side face of the outer detection support (531), one end, far away from the axis line of the adjusting turntable (522), of the detection laminating rod (532) is a laminating end, the other end of the detection laminating rod (532) is positioned in an outer pressure detection end, and the outer pressure detection end is arranged on the side face of the outer detection support (531);
the outer cleaning piece (54) comprises a cleaning vertical plate (541) arranged at the bottom of the adjusting turntable (522), a cleaning arc plate (543) is arranged on the side surface, far away from the axial lead of the adjusting turntable (522), of the cleaning vertical plate (541) through a cleaning spring rod (542), and a plurality of outer cleaning scraping teeth (544) are arranged on the side surface, far away from the cleaning spring rod (542), of the cleaning arc plate (543).
2. The insulation column detection device for the transformer according to claim 1, wherein a guiding chute is arranged at the lower end of the scraping plate (331).
3. The insulation column detection device for the transformer according to claim 1, wherein the linkage ring (4) is symmetrically provided with a detection and adjustment chute, the position pushing member (51) comprises a position adjustment column (511) which is slidably arranged in the detection and adjustment chute, the upper end of the adjustment column (511) is connected with the telescopic end of the adjustment push rod (512), and the fixed end of the adjustment push rod (512) is connected to the upper side surface of the linkage ring (4).
4. A transformer insulation column detection device according to claim 3, wherein the rotating disc (52) comprises an upper rotating disc (521) connected to the bottom of the adjusting column (511), an adjusting rotating disc (522) rotatably connected to the lower side surface of the upper rotating disc (521), an elastic locking column (523) is arranged on the adjusting rotating disc (522), and locking insertion holes (524) are respectively arranged on the lower side surface of the upper rotating disc (521) corresponding to the positions of the outer detection member (53) and the outer cleaning member (54).
5. The insulation column detection device for the transformer according to claim 1, wherein the middle part of the attaching end of the detection attaching rod (532) is of an arc-shaped structure, and both the upper end and the lower end of the detection attaching rod (532) are provided with inclined grooves.
6. The insulation column detection device for a transformer according to claim 1, wherein the distance from the outer cleaning scraping teeth (544) to the axial line of the adjusting turntable (522) is equal to the distance from the attaching end of the attaching rod (532) to the axial line of the adjusting turntable (522).
7. The insulation column detection device for the transformer according to claim 1, wherein a flexible cleaning belt (545) is arranged between two adjacent outer cleaning scraping teeth (544), two ends of the flexible cleaning belt (545) are respectively fixed on a cleaning belt telescopic column (546), and the cleaning belt telescopic column (546) is fixed on a cleaning arc plate (543).
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| CN116447954A (en) | 2023-07-18 |
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