CN114823120A - Assembling method for under-pressure iron insertion of transformer - Google Patents
Assembling method for under-pressure iron insertion of transformer Download PDFInfo
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- CN114823120A CN114823120A CN202210314830.6A CN202210314830A CN114823120A CN 114823120 A CN114823120 A CN 114823120A CN 202210314830 A CN202210314830 A CN 202210314830A CN 114823120 A CN114823120 A CN 114823120A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003780 insertion Methods 0.000 title claims abstract description 18
- 230000037431 insertion Effects 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 75
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 238000003475 lamination Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus 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
- H01F41/02—Apparatus 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
- H01F41/04—Apparatus 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
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention belongs to the technical field of transformer manufacturing, and particularly relates to an assembly method for inserting iron into a transformer under pressure, which comprises the following steps: before the whole coil is dried in a furnace, a tool pressing plate is installed, after press mounting is finished, 4 pressing beams are installed, and fastening torque is 100N × m; a binding belt is used for surrounding the integral coil, and the compression beam is firmly bound; after the whole coil is dried and discharged from the furnace and pressure is removed, the compression beam is not removed, the rebound of the coil shaft height is bound by means of the compression force of 4 compression beams on the coil shaft height, and an assembly space is reserved for the upper iron yoke lamination; after the integral coil is sleeved on the iron core column and iron insertion is finished, a hydraulic pressing device is used for pre-pressing the transformer body, and a pressing beam is removed; the transformer is suitable for different transformer products, is simple and convenient to mount and dismount, and reduces the manufacturing cost and the time cost of the transformer.
Description
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to an assembly method for inserting iron into a transformer under pressure.
Background
Normally, after the whole coil of the transformer is dried, the whole coil is sleeved on an iron core post, and then lamination mounting work (called iron insertion for short) of an upper iron yoke is carried out.
In the prior art, after the humidity of an assembly factory building exceeds 60% in rainy season, an insulating part is affected with damp and expands, the axial height of an integral coil in a free state is easy to exceed the standard, lamination installation space is occupied, iron insertion cannot be performed, reworking and dismantling are needed, the integral coil is dried again, the height is reduced, and manufacturing cost and time cost are increased; therefore, the assembling method of the transformer with the pressed iron is provided for solving the problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that after the humidity of an assembly factory exceeds 60% in rainy season, an insulating part is affected with damp and expands, the axial height of an integral coil in a free state is easy to exceed the standard, lamination installation space is occupied, iron insertion cannot be carried out, reworking and dismounting are needed, the integral coil is dried again, the height is reduced, and manufacturing cost and time cost are increased.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an assembly method of a transformer with-pressure iron insertion, which comprises the following steps:
s1, before the whole coil is put into a furnace and dried, a tool pressing plate is installed, after press mounting is finished, 4 pressing beams are installed, and fastening torque is 100N m; a binding belt is used for surrounding the integral coil, and the compression beam is firmly bound;
s2, after the whole coil is dried and discharged from the furnace and pressure is removed, the compression beam is not removed, the rebound of the coil shaft height is restrained by means of the compression force of 4 compression beams on the coil shaft height, and an assembly space is reserved for the upper iron yoke lamination;
and S3, after the integral coil is sleeved on the iron core column and iron insertion is finished, pre-pressing the transformer body by using a hydraulic pressing device, and detaching the pressing beam.
Preferably, in S1, the method for using the tight-wrapping tape includes the following steps:
s11, installing a pressing beam on the whole coil, putting the whole coil into a furnace with pressure for drying, binding the coil height rebound by the pressing beam without detaching the pressing beam after the whole coil is discharged from the furnace, and carrying out iron insertion assembly operation;
s12, the pressing beam is of a brand-new design, the double-control pressing function is added, and the occupation of the operation space during iron insertion is reduced.
Preferably, the tool pressing plate comprises a positive lead screw and a negative lead screw; the end part of the positive and negative screw rod is provided with positive and negative threads; the upper end of the positive and negative screw rod is connected with an upper compression beam through a screw rod nut pair; the lower ends of the positive and negative screws are connected with a lower jackscrew pressing beam through a screw nut pair; the end parts of the upper compression beam and the lower jackscrew compression beam are fixedly connected with clamping plates; the end part of the clamping plate is fixedly connected with a pressing plate through a fixing unit; when the coil is clamped tightly to needs, install the clamp plate at the tip of splint through fixed unit, then put into the coil at the side of positive and negative lead screw, when the coil was put into, twist positive and negative lead screw through the spanner, make it compress tightly roof beam and lower jackscrew compress tightly roof beam and drive splint and extrude to the centre, it presss from both sides the clamp plate with the coil to drive, then put into the stove and carry out the drying, avoid among the drying process, coil axial height exceeds standard, occupy lamination installation space, cause the problem that can't insert the iron, be suitable for different grade type transformer product, the installation, dismantle portably, transformer manufacturing cost and time cost are reduced.
Preferably, the fixing unit comprises a clamping groove and a clamping block; a clamping groove is formed in the clamping plate; a clamping block is fixedly connected to the top of the pressing plate; a locking groove is formed in the fixture block; a cavity is formed in the clamping plate and is positioned at the side end of the clamping groove; the inner side wall of the cavity is connected with a locking block in a sliding manner; a first spring is fixedly connected to the side end of the locking block, and the other end of the first spring is fixedly connected to the inner side wall of the cavity; when the coil is pressed from both sides tightly to needs, through the bottom of putting into splint with the clamp plate, then insert the inside of draw-in groove with the fixture block, when the fixture block inserts, extrude the locking piece for the inside extrusion first spring of cavity that the locking piece stretches out and draws back produces elasticity, and when the locked groove aligns the cavity, first spring produced elasticity and promotes the inside that the locking piece inserted the locked groove and carries out the joint fixed, avoids the clamp plate when extruding the coil, appears the pine and takes off and the problem of rocking.
Preferably, a pull rod is fixedly connected to the side end of the locking block, and the pull rod is slidably connected to the cavity and the clamping plate; a pull ring is fixedly connected to the side end of the pull rod; when the coil is inserted into the iron, the pull ring is pulled, the locking block is stretched into the cavity through the pull ring, then the pressing plate is taken out, and the coil is detached.
Preferably, a placing groove is formed in the pressing plate; a guide rod is fixedly connected to the inner side wall of the placing groove; the end part of the guide rod is connected with a sliding block in a sliding way and is symmetrically arranged; a second spring is fixedly connected to the side end of the sliding block, the second spring is sleeved on the end portion of the guide rod, and the other end of the second spring is fixedly connected to the inner side wall of the placing groove; the top of the sliding block is hinged with a supporting rod, and the other end of the supporting rod is hinged with a protection plate; when splint slided downwards and drive the clamp plate and extrude the tip at the coil, be equipped with the guard plate through the bottom at the clamp plate, when the guard plate contacts coil surface, along with the continuous extrusion of clamp plate for the guard plate upwards slides and extrudes branch, and branch receives power extrusion slider to slide to both sides and extrudees the second spring and produce elasticity, cushions, and through the elasticity that the second spring produced, the inseparable extrusion of messenger's guard plate is fixed at the tip of coil.
Preferably, the top of the protection plate is fixedly connected with a protection pad, and the end part of the protection pad is arc-shaped; the protection pad is installed through the tip at the guard plate, plays the effect of protection to the coil, avoids the coil when receiving the extrusion, appears warping and damaged problem.
Preferably, a cushion block is fixedly connected to the bottom of the clamping plate; the bottom of the clamping plate is fixedly connected with a hydraulic oil cylinder pressing device and is positioned at the side end of the cushion block; through installing the 50mm cushion for reserve hydraulic cylinder closing device's space, after whole coil suit to the iron-cored post, insert the iron and finish, use hydraulic cylinder closing device to carry out the pressure equipment in advance to transformer ware body, then demolish the pressure beam.
The invention has the advantages that:
1. the front and back screw rods are screwed by the wrench, so that the upper pressing beam and the lower jackscrew pressing beam drive the clamping plates to extrude towards the middle, the clamping plates are driven to clamp the coil, and then the coil is placed in the furnace for drying, the problem that the coil cannot be inserted due to the fact that the axial height of the coil exceeds the standard and the lamination installation space is occupied in the drying process is solved, the transformer is suitable for different types of transformer products, installation and disassembly are simple and convenient, and the manufacturing cost and time cost of the transformer are reduced.
2. When the coil needs to be clamped, the pressing plate is placed at the bottom of the clamping plate, then the clamping block is inserted into the clamping groove, when the clamping block is inserted, the locking block is extruded, the locking block stretches into the cavity to extrude the first spring to generate elastic force, when the locking groove is aligned with the cavity, the first spring generates elastic force to push the locking block to be inserted into the locking groove to be clamped and fixed, and the problems of loosening and shaking of the pressing plate when the coil is extruded are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic flow chart of a method according to a first embodiment;
FIG. 2 is a sectional view of the first embodiment;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic structural diagram of a lock block according to the first embodiment;
fig. 6 is a schematic structural view of the non-slip mat according to the second embodiment.
In the figure: 11. an upper compression beam; 12. a positive lead screw and a negative lead screw; 13. a lower jackscrew compression beam; 14. a splint; 15. a hydraulic oil cylinder pressing device; 16. cushion blocks; 21. pressing a plate; 22. a card slot; 23. a clamping block; 24. locking the groove; 25. a cavity; 26. a locking block; 27. a first spring; 28. a pull rod; 29. a pull ring; 31. a first magnet; 32. a second magnet; 41. a placement groove; 42. a guide bar; 43. a slider; 44. a second spring; 45. a protection plate; 46. a strut; 47. a protective pad; 5. a non-slip mat.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a method for assembling a transformer with a pressed iron insert includes the following steps:
s1, before the whole coil is put into a furnace and dried, a tool pressing plate is installed, after press mounting is finished, 4 pressing beams are installed, and fastening torque is 100N m; a binding belt is used for surrounding the integral coil, and the compression beam is firmly bound;
s2, after the whole coil is dried and discharged from the furnace and pressure is removed, the compression beam is not removed, the rebound of the coil shaft height is restrained by the compression force of 4 compression beams on the coil shaft height, and an assembly space is reserved for the upper iron yoke lamination
And S3, after the integral coil is sleeved on the iron core column and iron insertion is finished, pre-pressing the transformer body by using a hydraulic pressing device, and detaching the pressing beam.
In S1, the specific method for using the tight wrapping tape includes the following steps:
s11, installing a pressing beam on the whole coil, putting the whole coil into a furnace with pressure for drying, binding the coil height rebound by the pressing beam without detaching the pressing beam after the whole coil is discharged from the furnace, and carrying out iron insertion assembly operation;
s12, the pressing beam is of a brand-new design, the double-control pressing function is added, and the occupation of the operation space during iron insertion is reduced.
The tool pressing plate comprises a positive lead screw and a negative lead screw 12; the end part of the positive and negative screw rod 12 is provided with positive and negative threads; the upper end of the positive and negative screw 12 is connected with an upper compression beam 11 through a screw nut pair; the lower end of the positive and negative screw 12 is connected with a lower jackscrew compression beam 13 through a screw nut pair; the end parts of the upper pressing beam 11 and the lower jackscrew pressing beam 13 are fixedly connected with a clamping plate 14; the end part of the clamping plate 14 is fixedly connected with a pressing plate 21 through a fixing unit; the during operation, when the coil is pressed from both sides tightly when needs, install clamp plate 21 at the tip of splint 14 through fixed unit, then put into the coil at the side of positive and negative lead screw 12, when the coil was put into, twist positive and negative lead screw 12 through the spanner, make and go up compact beam 11 and lower jackscrew compact beam 13 and drive splint 14 and extrude to the centre, it presss from both sides the coil to drive clamp plate 21, then put into the stove and carry out the drying, avoid the drying process in, the coil axial height exceeds standard, occupy lamination installation space, cause the problem that can't insert the iron, be suitable for different grade type transformer product, the installation, dismantle portably, reduce transformer manufacturing cost and time cost.
The fixing unit comprises a clamping groove 22 and a clamping block 23; a clamping groove 22 is formed in the clamping plate 14; a clamping block 23 is fixedly connected to the top of the pressing plate 21; a locking groove 24 is formed in the fixture block 23; a cavity 25 is formed in the clamping plate 14 and is positioned at the side end of the clamping groove 22; the inner side wall of the cavity 25 is slidably connected with a locking block 26; a first spring 27 is fixedly connected to the side end of the locking block 26, and the other end of the first spring 27 is fixedly connected to the inner side wall of the cavity 25; the during operation, when needs press from both sides tightly the coil, through the bottom of putting into splint 14 with clamp plate 21, then insert the inside of draw-in groove 22 with fixture block 23, when fixture block 23 inserts, extrude locking piece 26, make locking piece 26 stretch out and draw back the first spring 27 of inside extrusion of cavity 25 and produce elasticity, when cavity 25 is aligned to locking groove 24, first spring 27 produces elasticity and promotes locking piece 26 and insert the inside of locking groove 24 and carry out the joint fixed, avoid clamp plate 21 when extruding the coil, the problem that appears the pine and take off and rock.
A pull rod 28 is fixedly connected to the side end of the locking block 26, and the pull rod 28 is slidably connected to the cavity 25 and the clamping plate 14; a pull ring 29 is fixedly connected to the side end of the pull rod 28; in operation, when the coil insertion is completed, the pull ring 29 is pulled to extend the lock 26 into the cavity 25 via the pull rod 28, and then the press plate 21 is removed to remove the coil.
A placing groove 41 is formed in the pressing plate 21; a guide rod 42 is fixedly connected to the inner side wall of the placing groove 41; the end part of the guide rod 42 is connected with a slide block 43 in a sliding way and is symmetrically arranged; a second spring 44 is fixedly connected to the side end of the sliding block 43, the second spring 44 is sleeved on the end of the guide rod 42, and the other end of the second spring is fixedly connected to the inner side wall of the placing groove 41; the top of the sliding block 43 is hinged with a supporting rod 46, and the other end of the supporting rod 46 is hinged with a protection plate 45; when the coil fixing device works, when the clamping plate 14 slides downwards to drive the pressing plate 21 to extrude the end portion of the coil, the protection plate 45 is arranged at the bottom of the pressing plate 21, when the protection plate 45 contacts with the surface of the coil, along with continuous extrusion of the pressing plate 21, the protection plate 45 slides upwards to extrude the supporting rod 46, the supporting rod 46 is stressed to extrude the sliding block 43 to slide towards two sides to extrude the second spring 44 to generate elastic force, buffering is carried out, and the protection plate 45 is tightly extruded on the end portion of the coil to be fixed through the elastic force generated by the second spring 44.
A protective pad 47 is fixedly connected to the top of the protective plate 45, and the end part of the protective pad 47 is arc-shaped; protection pad 47 is installed through the tip at protection plate 45, plays the effect of protection to the coil, avoids the coil when receiving the extrusion, appears warping and damaged problem.
A cushion block 16 is fixedly connected to the bottom of the clamping plate 14; a hydraulic oil cylinder pressing device 15 is fixedly connected to the bottom of the clamping plate 14 and is positioned at the side end of the cushion block 16; through installing the cushion 16 of 50mm for reserve the space of hydraulic cylinder closing device 15, after whole coil suit to the iron-cored column, insert the iron and finish, use hydraulic cylinder closing device 15 to carry out the pressure equipment in advance to transformer ware body, then demolish the pressure beam.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a non-slip mat 5 is fixed to an inner sidewall of the pull ring 29; during operation, when the user pulls the pull ring 29 to dismantle, the problem of hand slip easily appears, installs slipmat 5 through the inside wall at the pull ring 29, improves the protective effect of pull ring 29, when avoiding the user pulling, the problem of hand slip leading to the fish tail appears.
According to the working principle, when a coil needs to be clamped, the pressing plate 21 is installed at the end part of the clamping plate 14 through the fixing unit, then the coil is placed in the side end of the positive and negative lead screws 12, when the coil is placed in, the positive and negative lead screws 12 are screwed through the wrench, so that the upper pressing beam 11 and the lower jackscrew pressing beam 13 drive the clamping plate 14 to extrude towards the middle, the pressing plate 21 is driven to clamp the coil, and then the coil is placed in the furnace to be dried, the problem that the coil cannot be inserted due to the fact that the axial height of the coil exceeds the standard and the lamination installation space is occupied in the drying process is solved, the transformer is suitable for transformer products of different types, installation and disassembly are simple and convenient, and the manufacturing cost and the time cost of the transformer are reduced; when the coil needs to be clamped, the pressing plate 21 is placed at the bottom of the clamping plate 14, the clamping block 23 is inserted into the clamping groove 22, when the clamping block 23 is inserted, the locking block 26 is extruded, the locking block 26 stretches into the cavity 25 to extrude the first spring 27 to generate elastic force, when the locking groove 24 is aligned with the cavity 25, the first spring 27 generates elastic force to push the locking block 26 to be inserted into the cavity 24 to be clamped and fixed, and the problems of loosening and shaking of the pressing plate 21 when the coil is extruded are avoided; when the coil iron insertion is finished, pulling a pull ring 29, stretching a lock block 26 into the cavity 25 through a pull rod 28, then taking out the press plate 21, and dismantling the coil; when the clamping plate 14 slides downwards to drive the pressing plate 21 to press the end part of the coil, the protection plate 45 is arranged at the bottom of the pressing plate 21, when the protection plate 45 contacts with the surface of the coil, the protection plate 45 slides upwards to press the supporting rod 46 along with the continuous pressing of the pressing plate 21, the supporting rod 46 is forced to press the sliding block 43 to slide towards two sides to press the second spring 44 to generate elastic force for buffering, and the protection plate 45 is tightly pressed on the end part of the coil to be fixed through the elastic force generated by the second spring 44; the coil is protected by installing the protective pad 47 at the end part of the protective plate 45, so that the problems of deformation and damage of the coil when the coil is extruded are avoided; through installing the cushion 16 of 50mm for reserve the space of hydraulic cylinder closing device 15, after whole coil suit to the iron-cored column, insert the iron and finish, use hydraulic cylinder closing device 15 to carry out the pressure equipment in advance to transformer ware body, then demolish the pressure beam.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. The assembly method of the transformer with the pressed iron is characterized in that: the method comprises the following steps:
s1, before the whole coil is put into a furnace and dried, a tool pressing plate is installed, after press mounting is finished, 4 pressing beams are installed, and fastening torque is 100N m; a binding belt is used for surrounding the integral coil, and the compression beam is firmly bound;
s2, after the whole coil is dried and discharged from the furnace and pressure is removed, the compression beam is not removed, the rebound of the coil shaft height is restrained by means of the compression force of 4 compression beams on the coil shaft height, and an assembly space is reserved for the upper iron yoke lamination;
and S3, after the integral coil is sleeved on the iron core column and iron insertion is finished, pre-pressing the transformer body by using a hydraulic pressing device, and detaching the pressing beam.
2. The assembling method of the transformer with the press iron insert according to claim 1, characterized in that: in S1, the specific method for using the tight wrapping tape includes the following steps:
s11, installing a pressing beam on the whole coil, putting the whole coil into a furnace with pressure for drying, binding the coil height rebound by the pressing beam without detaching the pressing beam after the whole coil is discharged from the furnace, and carrying out iron insertion assembly operation;
s12, the pressing beam is of a brand-new design, the double-control pressing function is added, and the occupation of the operation space during iron insertion is reduced.
3. The assembling method of the transformer with the press iron insert according to claim 2, characterized in that: the tool pressing plate comprises a positive lead screw and a negative lead screw (12); the end part of the positive and negative screw rod (12) is provided with positive and negative threads; the upper end of the positive and negative screw rod (12) is connected with an upper compression beam (11) through a screw rod nut pair; the lower end of the positive and negative screw rod (12) is connected with a lower jackscrew compression beam (13) through a screw rod nut pair; the end parts of the upper pressing beam (11) and the lower jackscrew pressing beam (13) are fixedly connected with clamping plates (14); the end part of the clamping plate (14) is fixedly connected with a pressing plate (21) through a fixing unit.
4. The assembling method of the transformer with the press iron insert according to claim 3, characterized in that: the fixing unit comprises a clamping groove (22) and a clamping block (23); a clamping groove (22) is formed in the clamping plate (14); a clamping block (23) is fixedly connected to the top of the pressing plate (21); a locking groove (24) is formed in the fixture block (23); a cavity (25) is formed in the clamping plate (14) and is positioned at the side end of the clamping groove (22); the inner side wall of the cavity (25) is connected with a locking block (26) in a sliding way; the side end of the locking block (26) is fixedly connected with a first spring (27), and the other end of the first spring (27) is fixedly connected to the inner side wall of the cavity (25).
5. The assembling method of the transformer with the press iron insert according to claim 4, characterized in that: a pull rod (28) is fixedly connected to the side end of the locking block (26), and the pull rod (28) is connected to the cavity (25) and the clamping plate (14) in a sliding mode; a pull ring (29) is fixedly connected to the side end of the pull rod (28).
6. The assembling method of the transformer with the press iron insert according to claim 5, characterized in that: a placing groove (41) is formed in the pressing plate (21); a guide rod (42) is fixedly connected to the inner side wall of the placing groove (41); the end part of the guide rod (42) is connected with a sliding block (43) in a sliding way and is symmetrically arranged; a second spring (44) is fixedly connected to the side end of the sliding block (43), the second spring (44) is sleeved on the end of the guide rod (42), and the other end of the second spring is fixedly connected to the inner side wall of the placing groove (41); the top of slider (43) articulates there is branch (46), and the other end of branch (46) articulates there is guard plate (45).
7. The assembling method of the transformer with the press iron insert according to claim 6, characterized in that: the top rigid coupling of guard plate (45) has protection pad (47), and the tip of protection pad (47) is the arc.
8. The assembling method of the transformer with the press iron insert according to claim 7, characterized in that: a cushion block (16) is fixedly connected to the bottom of the clamping plate (14); the bottom of the clamping plate (14) is fixedly connected with a hydraulic oil cylinder pressing device (15) and is positioned at the side end of the cushion block (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210314830.6A CN114823120B (en) | 2022-03-28 | 2022-03-28 | Method for assembling transformer under-pressure iron insert |
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| CN202210314830.6A CN114823120B (en) | 2022-03-28 | 2022-03-28 | Method for assembling transformer under-pressure iron insert |
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| CN114823120B CN114823120B (en) | 2024-08-20 |
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| CN215708156U (en) * | 2021-09-01 | 2022-02-01 | 哈尔滨医大药业股份有限公司 | Oral liquid packing carton with safeguard function |
| CN114030744A (en) * | 2021-11-26 | 2022-02-11 | 鹰潭合进塑业有限公司 | Plastic packaging box convenient to move |
| CN218351268U (en) * | 2022-03-28 | 2023-01-20 | 保定天威保变电气股份有限公司 | Assembly equipment for inserting iron into transformer under pressure |
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2022
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| CN114030744A (en) * | 2021-11-26 | 2022-02-11 | 鹰潭合进塑业有限公司 | Plastic packaging box convenient to move |
| CN218351268U (en) * | 2022-03-28 | 2023-01-20 | 保定天威保变电气股份有限公司 | Assembly equipment for inserting iron into transformer under pressure |
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| CN114823120B (en) | 2024-08-20 |
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