CN115295308A - Vertical assembling device and method for main insulation of transformer coil - Google Patents

Vertical assembling device and method for main insulation of transformer coil Download PDF

Info

Publication number
CN115295308A
CN115295308A CN202210966587.6A CN202210966587A CN115295308A CN 115295308 A CN115295308 A CN 115295308A CN 202210966587 A CN202210966587 A CN 202210966587A CN 115295308 A CN115295308 A CN 115295308A
Authority
CN
China
Prior art keywords
winding former
main insulation
guide post
insulating
cover
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.)
Pending
Application number
CN202210966587.6A
Other languages
Chinese (zh)
Inventor
黄冬芽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Ganzhong Transformer Co ltd
Original Assignee
Jiangxi Ganzhong Transformer Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Ganzhong Transformer Co ltd filed Critical Jiangxi Ganzhong Transformer Co ltd
Priority to CN202210966587.6A priority Critical patent/CN115295308A/en
Publication of CN115295308A publication Critical patent/CN115295308A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12Insulating of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulating Of Coils (AREA)

Abstract

The invention discloses a vertical assembling device and a vertical assembling method for a main insulation of a transformer coil, and the vertical assembling device comprises a base, wherein a storage barrel is arranged at the upper part of the base in a penetrating manner, a lifting mechanism is arranged in the storage barrel, a supporting plate used for bearing a winding former is arranged at the upper part of the lifting mechanism, a working platform fixedly connected with the base is sleeved outside the winding former, a spiral electromagnetic coil is arranged in the winding former, telescopic conductive connectors are respectively arranged at two ends of the electromagnetic coil, a guide post is arranged in the storage barrel, the upper end of the guide post penetrates through the supporting plate and then is inserted into the winding former, electric connection plates matched with the telescopic conductive connectors are respectively arranged at the left side and the right side of the guide post, and the lifting mechanism stops descending operation when the electromagnetic coil is electrified. The invention can rapidly assemble the main insulation of the coil and simultaneously dry the assembled main insulation, so that the transformer is more convenient and rapid to dry, and the insulation damage caused by overhigh temperature in the later integral drying process of the transformer is avoided.

Description

Vertical assembling device and method for main insulation of transformer coil
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to a vertical assembling device and method for a main insulation of a transformer coil.
Background
The performance and quality of the power transformer are directly related to the reliability and the operation benefit of the operation of the power system, wherein the transformer coil is used as an important component of the transformer, the insulation of the transformer coil is particularly important in order to ensure the normal operation of the coil, the insulation of the transformer coil is divided into main insulation and longitudinal insulation, the main insulation refers to the insulation of the coil to other structural parts except the coil, including the insulation of the coil to an oil tank, an iron core, a clamping piece and a pressing plate, the insulation of other coils in the same phase and the insulation (interphase insulation) of coils in different phases, and the main insulation is generally adopted to surround paper plates and supporting strips on the outer surface of the coil layer by layer in sequence to the required design size.
Chinese patent CN109823992B discloses a vertical assembly apparatus for primary insulation of transformer coil and an assembly method thereof, comprising a platform lifting system, an operation platform and a winding former, wherein the operation platform is arranged on the platform lifting system and driven to lift by the platform lifting system, the winding former is arranged in the platform lifting system, the upper end of the winding former passes through the operation platform, two sides of a through hole for the winding former to pass through on the operation platform are both provided with a retractable cover plate, and the lower end of the winding former is provided with a winding former support plate. According to the invention, the coil and the main insulation between the coils are preassembled by adopting a vertical assembly method, the assembly mode of the complete set of insulation is simplified, the exposure time of the coil is shortened, the product quality is improved, but some defects still exist, if the assembled main insulation cannot be subjected to pre-drying treatment, so that in the later process of carrying out vacuum drying on the transformer for removing moisture in the insulation, moisture discharged in the drying process of the main insulation close to one side of the coil is easy to leave in gaps of the coil, the drying effect of the transformer is uncontrollable, meanwhile, in the drying process, in order to avoid the damage to the main insulation when the temperature of the coil is higher than 115 ℃, the resistance of the coil needs to be measured in real time, and then the resistance is converted into the temperature of the coil, so that the drying of the transformer in the later period is more inconvenient, and the production efficiency of the transformer is reduced.
Disclosure of Invention
The invention aims to provide a transformer coil main insulation vertical assembly device and an assembly method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the vertical assembling device comprises a base and a winding former, wherein a storage barrel is arranged on the upper portion of the base in a penetrating mode, a lifting mechanism is arranged in the storage barrel, a supporting plate used for bearing the winding former is arranged on the upper portion of the lifting mechanism, a working platform fixedly connected with the base is sleeved on the outer portion of the winding former, a temperature sensor is arranged in the winding former, a spiral electromagnetic coil is arranged in the winding former, an insulating layer is arranged on the contact surface of the electromagnetic coil and the winding former, telescopic conductive connectors are arranged at the two ends of the electromagnetic coil, a guide post is arranged in the storage barrel, the upper end of the guide post penetrates through the supporting plate and then is inserted into the winding former, power connection plates matched with the telescopic conductive connectors are arranged on the left side and the right side of the guide post, the lifting mechanism is controlled to stop working when the electromagnetic coil is powered on, a detachable sealing cover matched with a through hole of the working platform is arranged at the upper end of the storage barrel, an exhaust through hole is arranged on the working platform, and an outlet end pipe of the exhaust through hole is connected with a vacuum pump fixedly connected with the base.
Preferably, elevating system includes driving motor, worm, commentaries on classics cover, worm wheel, transmission sliding sleeve and lift platform, the inner chamber lower part of containing cylinder is provided with driving motor, driving motor's main shaft is connected with the worm, the outside cover of guide post is equipped with rotates the commentaries on classics cover of being connected with the containing cylinder, the lower extreme outside cover of commentaries on classics cover be equipped with worm assorted worm wheel, the upper end setting of changeing the cover is external splines form, and the upper end outside cover of changeing the cover is equipped with the transmission sliding sleeve, the upper end of transmission sliding sleeve is connected with the lift platform with containing cylinder threaded connection, and lift platform and layer board swing joint.
Preferably, the lower end of the supporting plate is symmetrically provided with connecting arms, and the lower ends of the connecting arms are connected with C-shaped clamping plates clamped on two sides of the guide post.
Preferably, flexible conductive joint includes a top tight spring, a conductive column, a stop collar and a graphite slide plate, the mounting hole has all been seted up at solenoid's both ends, is provided with a top tight spring in the mounting hole, the one end of top tight spring is provided with a conductive column, the outside cover of conductive column is equipped with the stop collar with solenoid fixed connection, the one end of conductive column passes the stop collar and is connected with the graphite slider that connects the electroplax and match.
Preferably, connect the electric plate including insulating picture peg, location insulating cover, conducting block and terminal, the guide post is hollow structure, and T type spout has all been seted up to the both sides about the guide post, T type spout interpolation is equipped with insulating picture peg, two one side of insulating picture peg is inlayed respectively have with graphite slider assorted conducting block, and the lateral surface of conducting block is less than insulating picture peg's inside wall 2 ~ 5 millimeters to highly being less than work platform of the conducting block of upper end, graphite slider's upper and lower both sides limit sets up and is the slope form, the one end of location insulating cover runs through guide post and insulating picture peg threaded connection, one side of conducting block is provided with the terminal of being connected with the high frequency current wire.
Preferably, an insulating sealing sleeve sleeved outside the guide post is embedded in the middle of the supporting plate.
Preferably, evenly be provided with the baffle in the winding mould, and the baffle cuts apart into a plurality of heating cavity with the inner chamber of winding mould, solenoid installs and sets up in heating cavity.
A transformer coil main insulation vertical assembly method specifically comprises the following steps:
s1, mounting and fixing a winding former on a supporting plate, and enclosing an insulating paper board and a supporting strip layer by layer to the outer side of the winding former, wherein the insulating paper board and the supporting strip form main insulation;
s2, when the height of a worker is inconvenient to enclose, starting a driving motor to enable a lifting platform to rotate downwards and slowly move, and enabling a winding former on a supporting plate to keep vertically and slowly moving downwards by utilizing the guiding function between a C-shaped clamping plate and a guide post;
s3, after the telescopic guide joint is contacted with a conductive block on the electric connection plate, the corresponding electromagnetic coil is connected with a high-frequency power supply, the electromagnetic coil generates an alternating magnetic field, the winding former generates an eddy current under the action of the alternating magnetic field, the winding former section opposite to the electrified electromagnetic coil generates heat by utilizing the inherent resistance of the winding former, the temperature of the winding former is detected by utilizing a temperature sensor, the temperature of the winding former is controlled to be 105-110 ℃, the main insulation of the corresponding section is heated and dried, meanwhile, high-temperature air is extracted and exhausted by utilizing a vacuum pump, the influence of high temperature on workers is avoided, and the electrified electromagnetic coil circuit is utilized to control the driving motor to pause;
and S4, after the winding former is completely accommodated into the accommodating cylinder, closing the detachable sealing cover and the through hole of the working platform, pumping out and exhausting air containing evaporated water in the cavity where the winding former is located by using a vacuum pump, and keeping for 1-2 hours.
Compared with the prior art, the invention provides a transformer coil main insulation vertical assembly device and an assembly method thereof, which have the following beneficial effects: the lifting mechanism is used for lifting the winding former, so that the inconvenience of assembling a main insulation caused by insufficient height of workers is avoided, the telescopic conductive joints at two ends of the inner electromagnetic coil are in contact with the electric connection plates on the conductive posts when the winding former descends, finally, the electromagnetic coil can be automatically switched on by a high-frequency power supply to generate an alternating magnetic field, the winding former generates eddy currents under the action of the alternating magnetic field, the inherent resistance of the winding former is used for heating, the main insulation on the outer side of the winding former is heated and dried, the components of the transformer can be dried separately, the drying of the transformer is more convenient and rapid, the production efficiency of the transformer is improved, the temperature sensor is used for detecting and controlling the temperature of the winding former, and the damage of the main insulation caused by overhigh heating temperature of the main insulation is avoided.
Drawings
FIG. 1 is a front elevational view of the present invention prior to operation;
FIG. 2 is a front cross-sectional view of the present invention prior to operation;
FIG. 3 is a front cross-sectional view of the present invention in operation;
FIG. 4 is a schematic cross-sectional view taken along line A of FIG. 3;
FIG. 5 is an enlarged view of the portion B in FIG. 3;
FIG. 6 is a schematic circuit diagram of the solenoid circuit controlling the lift mechanism of the present invention.
In the figure: 1. a base; 2. a storage cylinder; 3. a lifting mechanism; 30. a drive motor; 31. a worm; 32. rotating the sleeve; 33. a worm gear; 34. a transmission sliding sleeve; 35. a lifting platform; 4. a support plate; 5. a winding former; 50. a heating chamber; 6. a working platform; 7. a temperature sensor; 8. an electromagnetic coil; 9. a telescopic conductive joint; 90. the spring is tightly propped; 91. a conductive post; 92. a position limiting sleeve; 93. a graphite slide plate; 10. a guide post; 11. a power connection plate; 110. insulating plug boards; 111. positioning an insulating sleeve; 112. a conductive block; 113. a binding post; 12. a removable seal cap; 13. a vacuum pump; 14. an insulating layer; 15. a connecting arm; 16. a C-shaped clamping plate; 17. an insulating sealing sleeve; 18. a separator.
Detailed Description
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, embodiments of a vertical assembly apparatus for main insulation of a transformer coil and an assembly method thereof according to the present invention include: the utility model provides a transformer coil main insulation vertical assembly device and assembling method thereof, including base 1 and winding former 5, the upper portion of base 1 is run through and is provided with containing cylinder 2, the inner chamber lower part of containing cylinder 2 is provided with driving motor 30, the main shaft of driving motor 30 is connected with worm 31, the outside cover of guide post 10 is equipped with the commentaries on classics cover 32 of being connected with containing cylinder 2 rotation, the lower extreme outside cover of commentaries on classics cover 32 is equipped with worm wheel 33 with worm 31 assorted, the upper end setting of commentaries on classics cover 32 is the external splines form, and the upper end outside cover of commentaries on classics cover 32 is equipped with transmission sliding sleeve 34, the upper end of transmission sliding sleeve 34 is connected with the lift platform 35 with containing cylinder 2 threaded connection, and lift platform 35 and layer board 4 swing joint, through driving motor 30 worm 31 rotary motion, through the meshing transmission between worm 31 and worm wheel 33, make worm wheel 33 drive commentaries on classics cover 32 rotary motion, thereby make commentaries on classics cover 32 drive sliding sleeve 34 synchronous rotary motion, make transmission sliding sleeve 34 drive lift platform 35 drive synchronous revolution, thereby make lift platform 35 drive, thereby make the horizontal slow rotary motion of keeping, and slowly rotate the downward movement, and be provided with the lower extreme symmetry at the linking arm 4 that connecting arm 15, the lower extreme is connected with the guide post 15 is connected with the perpendicular removal of C10 that makes the cardboard 16 that makes the condition takes place.
The outside cover of winding former 5 is equipped with work platform 6 with 1 fixed connection of base, be provided with temperature sensor 7 in the winding former 5, be provided with spiral helicine solenoid 8 in the winding former 5, and solenoid 8 is provided with insulating layer 14 with 5 contact surfaces of winding former, the mounting hole has all been seted up at solenoid 8's both ends, be provided with top tight spring 90 in the mounting hole, the one end of top tight spring 90 is provided with leads electrical pillar 91, the outside cover that leads electrical pillar 91 is equipped with the stop collar 92 with 8 fixed connection of solenoid, the one end of leading electrical pillar 91 is passed stop collar 92 and is connected with and connect 11 assorted graphite slider 93 of electroplax, promote through top tight spring 90 and lead electrical pillar 91 to connect 11 direction removal of electroplax.
The storage barrel 2 is internally provided with a guide post 10, the upper end of the guide post 10 penetrates through the supporting plate 4 and then is inserted into the winding film 5, the guide post 10 is of a hollow structure, the left side and the right side of the guide post 10 are respectively provided with a T-shaped sliding groove, an insulating inserting plate 110 is inserted into the T-shaped sliding grooves, one side of each of the two insulating inserting plates 110 is respectively embedded with a conductive block 112 matched with a graphite slider 93, the outer side surface of each conductive block 112 is 2 mm lower than the inner side wall of each insulating inserting plate 110, the graphite sliders 93 and the conductive blocks 112 are required to be integrally aligned, the graphite sliders 93 can be contacted with the conductive blocks 112, the height of the conductive blocks 112 at the top is lower than that of the working platform 6, a heating section is arranged below the working platform 6, the heat emitted by the winding film 5 is prevented from causing discomfort to workers, the upper side and the lower side of each graphite slider 93 are arranged in an inclined state, the graphite slider 93 is convenient to slide from a groove for installing the conductive blocks 112, one end of the insulating sleeve 111 penetrates through the guide post 10 and is in threaded connection with the insulating inserting plate 110, one side of the high-frequency current conducting wire, and a wiring terminal 113 is arranged on the wiring terminal, and a normally-off control circuit of a motor control mechanism which is connected in series connection with a normally-closed circuit, and a motor control circuit which controls the lifting and a lifting control mechanism which is connected in series connection of a normally-controlled by a series connection control circuit 3, and a normally-controlled by a normally-connected motor, and a normally-connected with a normally-connected motor.
The upper end of storage tube 2 is provided with the sealed lid 12 of dismantling with work platform 6's through-hole assorted, the running through of work platform 6 is provided with the exhaust through-hole, and the outlet end union coupling of exhaust through-hole has vacuum pump 13 with 1 fixed connection of base, and inlay at the middle part of layer board 4 and be equipped with the insulating sealing cover 17 that the guide post 10 outside was located to the cover, make the high-temperature gas who will contain moisture through vacuum pump 13 extract the discharge, avoid high temperature to rise to the upside of work platform 6 simultaneously and cause the discomfort to the staff, make winding former 5 accomodate in storage tube 2 completely through dismantling sealed lid 12 and insulating sealing cover 17 simultaneously and constitute sealed drying chamber.
In this embodiment, as shown in fig. 3, the partition plates 18 are uniformly arranged in the winding former 5, the partition plates 18 divide the inner cavity of the winding former 5 into a plurality of heating chambers 50, and the electromagnetic coil 8 is installed in the heating chambers 50, so that the main insulation can be heated and dried in sections, and the manufacturing of the prefabricated main insulation is more efficient.
A vertical assembling method for a main insulation of a transformer coil specifically comprises the following steps:
s1, mounting and fixing a winding former 5 on a supporting plate 4, and surrounding an insulating paper board and a supporting strip which form main insulation to the outer side of the winding former 5 layer by layer;
s2, when the height of a worker is inconvenient to enclose, starting the driving motor 30 to enable the lifting platform 35 to rotate downwards and slowly move, and enabling the winding former 5 on the supporting plate 4 to keep vertically and slowly moving downwards by utilizing the guiding function between the C-shaped clamping plate 16 and the guide post 10;
s3, after the telescopic guide joint 9 is in contact with the conductive block 112 on the electric connection plate 11, the corresponding electromagnetic coil 8 is connected with a high-frequency power supply, the electromagnetic coil 8 generates an alternating magnetic field, the winding former 5 generates eddy current under the action of the alternating magnetic field, the section of the winding former 5 corresponding to the electrified electromagnetic coil 8 generates heat by utilizing the inherent resistance of the winding former 5, the temperature of the winding former 5 is detected by utilizing the temperature sensor 7, the temperature of the winding former 5 is controlled to be 105 ℃, the main insulation of the corresponding section is heated and dried, meanwhile, high-temperature air is extracted and exhausted by utilizing the vacuum pump 13, the influence of high temperature on a worker is avoided, and the circuit of the electrified electromagnetic coil 8 is utilized to control the driving motor 30 to pause;
and S4, after the winding former 5 is completely accommodated in the accommodating cylinder 2, closing the detachable sealing cover 12 and the through hole of the working platform 6, and pumping out and exhausting air containing evaporated water in the cavity in which the winding former 5 is positioned by using the vacuum pump 13 and keeping the air for 1 hour.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (8)

1. The utility model provides a vertical assembly device of transformer coil main insulation, includes base (1) and winding former (5), its characterized in that: the upper portion of base (1) is run through and is provided with storage cylinder (2), be provided with elevating system (3) in storage cylinder (2), the upper portion of elevating system (3) is provided with layer board (4) that are used for bearing winding former (5), the outside cover of winding former (5) is equipped with work platform (6) with base (1) fixed connection, be provided with temperature sensor (7) in winding former (5), be provided with spiral helicine solenoid (8) in winding former (5), and solenoid (8) and winding former (5) contact surface are provided with insulating layer (14), flexible conductive joint (9) are all installed at the both ends of solenoid (8), be provided with guide post (10) in storage cylinder (2), and insert after the upper end of guide post (10) runs through layer board (4) and locate in winding former (5), the left and right sides of guide post (10) all are provided with and control elevating system (3) assorted electricity connection board (11) down work when and solenoid (8) circular telegram, the upper end of storage cylinder (2) is provided with work platform (6) and work platform (6) that can dismantle through-hole (12) and exhaust through-hole (13) and be connected with exhaust pipe (13) and exhaust through-connected with vacuum pump through-hole (1), the exhaust through-hole (12) that can dismantle and be provided with fixed connection of controlling elevating system (6) and be connected with flexible conductive joint (6) can dismantle ).
2. The vertical assembling device for the main insulation of the transformer coil according to claim 1, wherein: elevating system (3) are including driving motor (30), worm (31), change cover (32), worm wheel (33), transmission sliding sleeve (34) and lift platform (35), the inner chamber lower part of containing cylinder (2) is provided with driving motor (30), the main shaft of driving motor (30) is connected with worm (31), the outside cover of guide post (10) is equipped with rotates cover (32) of being connected with containing cylinder (2), and the lower extreme outside cover of changeing cover (32) is equipped with and worm (31) assorted worm wheel (33), the upper end setting of changeing cover (32) is the external splines form, and the upper end outside cover of changeing cover (32) is equipped with transmission sliding sleeve (34), the upper end of transmission sliding sleeve (34) is connected with lift platform (35) with containing cylinder (2) threaded connection, and lift platform (35) and layer board (4) swing joint.
3. The vertical assembling device for the main insulation of the transformer coil according to claim 2, wherein: the lower end of the supporting plate (4) is symmetrically provided with connecting arms (15), and the lower ends of the connecting arms (15) are connected with C-shaped clamping plates (16) clamped on two sides of the guide column (10).
4. The transformer coil main insulation vertical assembly device according to claim 1, wherein: flexible conductive joint (9) are including top tight spring (90), lead electrical pillar (91), stop collar (92) and graphite slide (93), the mounting hole has all been seted up at the both ends of solenoid (8), is provided with in the mounting hole and pushes up tight spring (90), the one end of pushing up tight spring (90) is provided with leads electrical pillar (91), the outside cover of leading electrical pillar (91) is equipped with stop collar (92) with solenoid (8) fixed connection, the one end of leading electrical pillar (91) is passed stop collar (92) and is connected with and connect electrical panel (11) assorted graphite slider (93).
5. The transformer coil main insulation vertical assembly device according to claim 4, wherein: connect electroplax (11) including insulating picture peg (110), location insulating cover (111), conducting block (112) and terminal (113), guide post (10) are hollow structure, and the left and right sides of guide post (10) has all seted up T type spout, T type spout interpolation is equipped with insulating picture peg (110), two one side of insulating picture peg (110) is inlayed respectively and is had with graphite slider (93) assorted conducting block (112), and the lateral surface of conducting block (112) is less than the inside wall 2 ~ 5 millimeters of insulating picture peg (110) to highly being less than work platform (6) of conducting block (112) of upper end, the upper and lower both sides limit of graphite slider (93) sets up and is the slope form, the one end of location insulating cover (111) runs through guide post (10) and insulating picture peg (110) threaded connection, one side of conducting block (112) is provided with terminal (113) that are connected with the high frequency current wire.
6. The vertical assembling device for the main insulation of the transformer coil according to claim 1, wherein: and an insulating sealing sleeve (17) sleeved outside the guide post (10) is embedded in the middle of the supporting plate (4).
7. The vertical assembling device for the main insulation of the transformer coil according to claim 1, wherein: the winding former is characterized in that partition boards (18) are evenly arranged in the winding former (5), the partition boards (18) divide the inner cavity of the winding former (5) into a plurality of heating chambers (50), and the electromagnetic coil (8) is arranged in the heating chambers (50).
8. A vertical assembling method for a main insulation of a transformer coil, which comprises the vertical assembling device for the main insulation of the transformer coil as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, mounting and fixing a winding former (5) on a supporting plate (4), and enclosing an insulating paper board and a supporting strip layer by layer to the outer side of the winding former (5), wherein the insulating paper board and the supporting strip form main insulation;
s2, when the height of a worker is inconvenient to enclose, simultaneously starting a driving motor (30) and a vacuum pump (13) to enable a lifting platform (35) to rotate downwards and slowly move, and simultaneously enabling a winding former (5) on a supporting plate (4) to keep vertically and slowly moving downwards by utilizing the guiding function between a C-shaped clamping plate (16) and a guiding column (10);
s3, after the telescopic guide joints (9) at the two ends of the electromagnetic coil (8) are respectively contacted with the conductive blocks (112) on the electric connection plates (11), the electromagnetic coil (8) is connected with a high-frequency power supply, so that the electromagnetic coil (8) generates an alternating magnetic field, the section of the winding mold (5) opposite to the electrified electromagnetic coil (8) generates heat by utilizing the inherent resistance of the winding mold (5), the temperature of the winding mold (5) is detected by utilizing a temperature sensor (7), the temperature of the winding mold (5) is controlled to be 105-110 ℃, so that the main insulation of the corresponding section is heated and dried, meanwhile, high-temperature air is extracted and exhausted by utilizing a vacuum pump (13), the influence of high temperature on a worker is avoided, and the circuit of the electrified electromagnetic coil (8) is utilized to control the driving motor (30) to pause;
and S4, after the winding former (5) is completely accommodated in the accommodating cylinder (2), closing the detachable sealing cover (12) and the through hole of the working platform (6), and pumping out and exhausting air containing evaporated water in a cavity in which the winding former (5) is positioned by using a vacuum pump (13) for 1-2 hours.
CN202210966587.6A 2022-08-12 2022-08-12 Vertical assembling device and method for main insulation of transformer coil Pending CN115295308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210966587.6A CN115295308A (en) 2022-08-12 2022-08-12 Vertical assembling device and method for main insulation of transformer coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210966587.6A CN115295308A (en) 2022-08-12 2022-08-12 Vertical assembling device and method for main insulation of transformer coil

Publications (1)

Publication Number Publication Date
CN115295308A true CN115295308A (en) 2022-11-04

Family

ID=83828736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210966587.6A Pending CN115295308A (en) 2022-08-12 2022-08-12 Vertical assembling device and method for main insulation of transformer coil

Country Status (1)

Country Link
CN (1) CN115295308A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117410097A (en) * 2023-12-15 2024-01-16 上海平祥电子有限公司 Automatic magnetic core winding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117410097A (en) * 2023-12-15 2024-01-16 上海平祥电子有限公司 Automatic magnetic core winding device
CN117410097B (en) * 2023-12-15 2024-02-23 上海平祥电子有限公司 Automatic magnetic core winding device

Similar Documents

Publication Publication Date Title
CN115295308A (en) Vertical assembling device and method for main insulation of transformer coil
CN105281499A (en) Motor with built-in control system
CN103501090A (en) Series excited machine
CN105281497A (en) Control structure of motor with built-in control system
CN101686003B (en) Electrical equipment dip coating electric heating and ultra-violet curing device
CN116068245B (en) Plug-in type electric energy meter
CN103151857A (en) Switch reluctance machine
CN216290570U (en) Permanent magnet synchronous motor with temperature detection function and efficient temperature control function
CN205178778U (en) Built -in control system motor structure
CN112053832B (en) Moisture-proof structure for transformer and use method thereof
CN215787932U (en) Hot-charging device for refrigeration compressor
CN210937602U (en) Gas shielded welding machine
CN207835306U (en) A kind of motor stator mounting device
CN209030060U (en) A kind of high-power birotor permanent magnetic motor by electric structure
CN218513246U (en) Wire insulating paint dip-coating device
CN217032912U (en) Electric wire detection device with air tightness detection mechanism
CN217643104U (en) Stator wire embedding device for three-phase asynchronous motor
CN220671572U (en) Enameled wire insulativity detection device
CN110535299A (en) A kind of automatic paint scraping device of stator
CN217574397U (en) Seamless air duct part manufacturing device
CN116047174A (en) Insulating oil dielectric strength tester with constant temperature function and capable of measuring oil temperature
CN212619690U (en) Vacuum drying equipment is used in building transformer production
CN110617677A (en) Pole piece drying device and method for lithium battery production
CN219572660U (en) High-temperature electric furnace with uniform heating
CN220067174U (en) Stator winding clamping device

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