CN209045330U - Transformer body and transformer - Google Patents
Transformer body and transformer Download PDFInfo
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- CN209045330U CN209045330U CN201821962567.7U CN201821962567U CN209045330U CN 209045330 U CN209045330 U CN 209045330U CN 201821962567 U CN201821962567 U CN 201821962567U CN 209045330 U CN209045330 U CN 209045330U
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Abstract
This application involves power transformer manufacturing technology fields, more particularly, to a kind of transformer body and transformer.The transformer body includes body main body and side fastening assembly, and body main body includes coil, iron core and core clamping；Side fastening assembly is located at the side coil of body main body two sides, and side fastening assembly is compressed for opposite side coil；Side fastening assembly includes upside folder, downside folder, pressure plate and side insulating part；Wherein, high pressure upper clamping piece connection in one end and core clamping of upside folder, low pressure upper clamping piece connection in the other end and core clamping of upside folder, one end of downside folder are connect with core clamping mesohigh lower clamping piece, and the other end of downside folder is connect with core clamping mesolow lower clamping piece；Pressure plate is connect with upside folder and downside folder respectively；Side insulating part is installed between side coil and the pressure plate of respective side.The application effectively increases distribution transformer anti-short circuit capability by setting side fastening assembly.
Description
Technical field
This application involves power transformer manufacturing technology fields, more particularly, to a kind of transformer body and transformer.
Background technique
To reduce transformer manufacturing cost, using the iron core of oblong structure and the structure of winding, which passes through reduction
Iron core window width reduces consumption of main materials, reduces transformer cost.But the winding cross section of this structure is oblong, is not met
Winding coiling rule, winding circular arc portion can coiling consolidation, but straight line portion because coiling rule, lead to radial protrusion, coiling
Not consolidation, transformer anti-short circuit capability are poor.There are operating procedures to answer for the method for promotion transformer anti-short circuit capability in the prior art
Miscellaneous, influence environment, cost are also higher, and can not effectively improve distribution transformer anti-short circuit capability.
Utility model content
The application's is designed to provide a kind of transformer body and transformer, solves operation existing in the prior art
Complex process, to influence environment, cost also higher, and the technical issues of can not effectively improve distribution transformer anti-short circuit capability.
This application provides a kind of transformer body, including body main body and side fastening assembly, the body main body packets
Include coil, iron core and core clamping；The side fastening assembly is located at the side coil of body main body two sides, the side
Side fastening assembly is used to compress the side coil；The side fastening assembly includes upside folder, downside folder, pressure plate
With side insulating part；Wherein, one end of the upside folder is connect with the high pressure upper clamping piece in the core clamping, the upside
The other end of folder is connect with the low pressure upper clamping piece in the core clamping, one end of the downside folder and the core clamping
The connection of mesohigh lower clamping piece, the other end of the downside folder are connect with the core clamping mesolow lower clamping piece；The compression
Plate is connect with the upside folder and the downside folder respectively；The side insulating part is installed on the side coil and correspondence
Between the pressure plate of side.
In the above-mentioned technical solutions, further, the side insulating part be plate structure, the one of the side insulating part
Side is affixed with the pressure plate, and the other side of the side insulating part and the outer surface of the side coil fit, the side
The other side surface shape of side insulating part is adapted with the external surface shape of the side coil.
In the above-mentioned technical solutions, further, a side surface of the side insulating part offers oil stream slot, and described
Side insulating part offers the surface of oil stream slot and the outer surface of the side coil and fits, and the trend of the oil stream slot is institute
State the axial direction of side coil.
In the above-mentioned technical solutions, further, it is provided with connecting plate on the upside folder and the downside folder,
The connecting plate is located at the both ends of the extending direction of the upside folder, one end of the upside folder by the connecting plate with
The high pressure upper clamping piece connection, the other end of the upside folder are connect by the connecting plate with the low pressure upper clamping piece；Institute
The both ends for stating the extending direction of downside folder are also equipped with the connecting plate, and one end of the downside folder passes through the connecting plate
It is connect with the high pressure lower clamping piece, the other end of the downside folder is connect by the connecting plate with the low pressure lower clamping piece.
In the above-mentioned technical solutions, further, the side fastening assembly further includes side pressing plate, the side pressing plate
The both ends of the side coil are set to, the side pressing plate is located at the end of the side coil and the folder of the body main body
Between part；The inner shape of the side pressing plate and the interior loop-shaped of the side coil are consistent, the outside of the side pressing plate
Set distance is spaced between the pressure plate；Location hole is also provided on the outside of the side pressing plate, the location hole is used for
The side pressing plate is limited；
Oil guide groove is offered on the surface that the side pressing plate is bonded with the end of the side coil, the oil guide groove
It moves towards parallel with the width direction of stem lamination of the iron core；The side pressing plate is bonded with the end of the side coil
Surface on be also provided with arc oil guide groove, the trend of the arc oil guide groove is consistent with the inner shape of the side pressing plate,
The arc oil guide groove with the main channel oil duct in the side coil for being connected.
In the above-mentioned technical solutions, further, the material of the upside folder and downside folder is channel steel, wherein institute
It states both sides parallel on the folder of upside and offers through-hole, the position of the through-hole is opposite；It is also equipped on the upside folder
Nail pressing, the nail pressing pass through the upper surface of through-hole abutting and the side pressing plate；The lower end of the upside folder and high pressure
The lower end of upper clamping piece and low pressure upper clamping piece is concordant, the upper end of the upper end of downside folder and high pressure lower clamping piece and low pressure lower clamping piece
Concordantly.
It in the above-mentioned technical solutions, further, further include alternate fastening assembly；The alternate fastening assembly includes alternate
Pressing plate, upper yoke cushion block and fagging, the alternate pressing plate be located at the adjacent windings in the body main body end and it is described on
Between folder；The alternate pressing plate offers plugboard trough on one side, and the alternate pressing plate offers one side and the institute of plugboard trough
The end for stating adjacent windings is affixed；The first part of upper yoke cushion block is accommodated in the plugboard trough, the upper yoke cushion block
Between the upper yoke and the end of the adjacent windings, the fagging can be inserted into second part by the plugboard trough
Between the upper yoke cushion block and upper yoke.
In the above-mentioned technical solutions, further, the alternate fastening assembly further includes adjustable plate, and the adjustable plate plugs
In the plugboard trough, and the adjustable plate, between the alternate pressing plate and the fagging, the adjustable plate is for compressing
The fagging.
It in the above-mentioned technical solutions, further, further include multiple upper yoke tension devices, multiple upper yokes tense
Device is arranged at intervals at the top of upper yoke；The upper yoke tension device includes tensing steel plate, iron yoke insulation piece and multiple tight
Fixing bolt, described one end for tensing steel plate are connect with the high pressure upper clamping piece by the fastening bolt, the tension steel plate
The other end is connect with the low pressure upper clamping piece by the fastening bolt, is provided between the tension steel plate and the upper yoke
The iron yoke insulation piece.
Present invention also provides a kind of transformers, including transformer body described in above scheme.
Compared with prior art, the application has the beneficial effect that
Transformer body provided by the present application includes body main body and side fastening assembly, and body main body includes coil, iron
The heart and core clamping；Side fastening assembly is located at the side coil of body main body two sides, and side fastening assembly is used for opposite side
Coil compresses；Side fastening assembly includes upside folder, downside folder, pressure plate and side insulating part；Wherein, upside folder
One end is connect with the high pressure upper clamping piece in core clamping, and the low pressure upper clamping piece in the other end and core clamping of upside folder connects
It connects, one end of downside folder is connect with core clamping mesohigh lower clamping piece, the other end and core clamping mesolow of downside folder
Lower clamping piece connection；Pressure plate is connect with upside folder and downside folder respectively；Side insulating part is installed on side coil and correspondence
Between the pressure plate of side.
Specifically, body main body includes coil, iron core and core clamping, core clamping be located at iron core upper yoke and under
The two sides of iron yoke, for clamping electrical steel piece, coil is sheathed on outside the stem of iron core.Conplane three-phase three-column is become
Depressor, side fastening assembly are located at the A phase of body main body two sides, at C phase coil, for compressing to A phase, C phase coil.Side is tight
Gu component includes upside folder, downside folder, pressure plate and side insulating part, the both ends of upside folder respectively with high pressure upper clamping piece
It is connected with low pressure upper clamping piece, the both ends of downside folder are connected with high pressure lower clamping piece and low pressure lower clamping piece respectively, the both ends of pressure plate
It is connected respectively with upside folder, downside folder, pressure plate is located at the outside of side coil, between pressure plate and side coil also
Side insulating part is installed, for compressing to coil.
Transformer body provided by the present application compresses coil by the way that side fastening assembly is arranged, operating procedure letter
It is single, effectively coil can be compressed to promote the anti-short circuit capability of transformer, be prevented because of the radial protrusion of winding, coiling
Consolidation does not cause the technical problem of transformer anti-short circuit capability difference.
Present invention also provides transformers, including above-mentioned transformer body.Based on above-mentioned analysis it is found that the transformer is realized
Coil compressed by the way that side fastening assembly is arranged, operating procedure is simple, can effectively be compressed to coil
Promoted transformer anti-short circuit capability, prevent because the radial protrusion of winding, coiling consolidation does not cause transformer anti-short circuit capability poor
The technical issues of.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the first view direction for the transformer body that the embodiment of the present application one provides；
Fig. 2 is the structural schematic diagram of the second view direction of the transformer body that the embodiment of the present application one provides；
Fig. 3 is the structural schematic diagram for the side insulating part that the embodiment of the present application one provides；
Fig. 4 is the structural schematic diagram for the upside folder that the embodiment of the present application one provides；
Fig. 5 is the structural schematic diagram for the side pressing plate that the embodiment of the present application one provides；
Fig. 6 is the structural schematic diagram for the alternate fastening assembly that the embodiment of the present application two provides；
Fig. 7 is the B in Fig. 1 of alternate fastening assembly that provides of the embodiment of the present application two to the structural schematic diagram under visual angle.
In figure:
101- body main body；The side 102- fastening assembly；103- coil；104- iron core；105- core clamping；The side 106-
Coil；Folder on the upside of 107-；Folder on the downside of 108-；109- pressure plate；The side 110- insulating part；111- high pressure upper clamping piece；112-
Low pressure upper clamping piece；113- high pressure lower clamping piece；114- low pressure lower clamping piece；115- oil stream slot；116- connecting plate；The side 117- pressing plate；
118- location hole；119- oil guide groove；120- nail pressing；The alternate fastening assembly of 121-；The alternate pressing plate of 122-；123- upper yoke cushion block；
124- fagging；125- plugboard trough；126- first part；127- second part；128- adjustable plate；129- upper yoke tension device；
130- arc oil guide groove.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Embodiment one
Referring to figs. 1 to 5, the embodiment of the present application one provides a kind of transformer body, including 101 He of body main body
Side fastening assembly 102, body main body 101 include coil 103, iron core 104 and core clamping 105；Side fastening assembly 102
At the side coil 106 of 101 two sides of body main body, side fastening assembly 102 is compressed for opposite side coil 106；Side is tight
Gu component 102 includes upside folder 107, downside folder 108, pressure plate 109 and side insulating part 110；Wherein, upside folder
107 one end is connect with the high pressure upper clamping piece 111 in core clamping 105, the other end and core clamping 105 of upside folder 107
In low pressure upper clamping piece 112 connect, one end of downside folder 108 connect with 105 mesohigh lower clamping piece 113 of core clamping, downside
The other end of folder 108 is connect with 105 mesolow lower clamping piece 114 of core clamping；Pressure plate 109 respectively with upside folder 107 and
Downside folder 108 connects；Side insulating part 110 is installed between side coil 106 and the pressure plate 109 of respective side.
Specifically, body main body 101 includes coil 103, iron core 104 and core clamping 105, and core clamping 105 is located at
The upper yoke of iron core 104 and the two sides of lower yoke, for clamping 104 silicon steel sheet of iron core, coil 103 is sheathed on the heart of iron core 104
Outside column.For conplane three-phase full-bridge converter, side fastening assembly 102 is located at the A phase of 101 two sides of body main body, C phase
At coil 103, for being compressed to A phase, C phase coil 103.Side fastening assembly 102 includes upside folder 107, downside folder
108, pressure plate 109 and side insulating part 110, the both ends of upside folder 107 respectively with high pressure upper clamping piece 111 and low pressure upper clamping piece
112 are connected, and the both ends of downside folder 108 are connected with high pressure lower clamping piece 113 and low pressure lower clamping piece 114 respectively, and the two of pressure plate 109
End is connected with upside folder 107, downside folder 108 respectively, and pressure plate 109 is located at the outside of side coil 106, in pressure plate
Side insulating part 110 is also equipped between 109 and side coil 106, for compressing to coil 103.
Transformer body provided by the present application compresses coil 103 by the way that side fastening assembly 102 is arranged, operative employee
Skill is simple, can effectively be compressed to coil 103 to promote the anti-short circuit capability of transformer, prevents because winding is radial prominent
It rises, consolidation does not cause the technical problem of transformer anti-short circuit capability difference for coiling.
In the optional scheme of the embodiment, side insulating part 110 is plate structure, the side of side insulating part 110 and pressure
Tight plate 109 is affixed, and the other side of side insulating part 110 and the outer surface of side coil 106 fit, side insulating part 110
Other side surface shape is adapted with the external surface shape of side coil 106.
In this embodiment, side insulating part 110 is plate structure, and one side is affixed with pressure plate 109, another side and side
The outer surface of sideline circle 106 is affixed, and is compressed to coil 103, side insulating part 110 is according to 106 outer dimension of side coil
Setting, side insulating part 110 need to be bonded the outer diameter shape of side coil 106, such as side coil with 106 contact surface of side coil
106 be oblong coil 103, and insulating part and 103 contact site of coil are the planar section of coil 103, this insulating part and coil
103 contact surfaces are planar structures；If side coil 106 is class elliptical coil 103, insulating part and 103 contact site of coil are arcs
Face, this insulating part corresponding should be designed as cambered surface to 103 contact surface of coil, and guarantee side insulating part 110 is outer with side coil 106
Surface fits closely.
Optionally, the height of side insulating part 110 is less than the height of side coil 106.Usually in actual production, side
Height-(3~25) mm of 110 height=side coil 106 of insulating part.
Optionally, the quantity and specification of pressure plate 109 are set according to the amount of capacity of transformer.Specifically, pressure plate 109
Material can choose steel plate, " u "-shaped bending plate or formed channel steel.Pressure plate 109 and upside folder 107 and downside folder 108
It is bolted.
It should be noted that outside insulating part is placed between pressure plate 109 and side coil 106, pressure plate 109 is utilized
It is fastened, on the one hand outside insulating part is used to compress side coil 106, another aspect opposite side coil 106 and pressure plate 109
Carry out insulation gap.Optionally, it is required according to dielectric strength, increases cardboard between side coil 106 and pressure plate 109 and carry out
Insulating strength.
In the optional scheme of the embodiment, a side surface of side insulating part 110 offers oil stream slot 115, and side is exhausted
Edge part 110 offers the surface of oil stream slot 115 and the outer surface of side coil 106 and fits, and the trend of oil stream slot 115 is side
The axial direction of coil 106.
In this embodiment, oil stream slot 115 is arranged according to the temperature rise situation of side coil 106, the trend of oil stream slot 115 is
The axial direction of side coil 106, to increase the radiating surface of side coil 106.
In the optional scheme of the embodiment, it is provided with connecting plate 116 on upside folder 107 and downside folder 108, connects
Plate 116 is located at the both ends of the extending direction of upside folder 107, and one end of upside folder 107 on connecting plate 116 and high pressure by pressing from both sides
Part 111 connects, and the other end of upside folder 107 is connect by connecting plate 116 with low pressure upper clamping piece 112；Downside folder 108 prolongs
The both ends for stretching direction are also equipped with connecting plate 116, and one end of downside folder 108 is connected by connecting plate 116 and high pressure lower clamping piece 113
It connects, the other end of downside folder 108 is connect by connecting plate 116 with low pressure lower clamping piece 114.
In this embodiment, it is provided with connecting plate 116 on upside folder 107 and downside folder 108, for pressing from both sides upside
Part 107 is fixed between high pressure upper clamping piece 111 and low pressure upper clamping piece 112.Specifically, connecting hole is offered on connecting plate 116,
There is the drawing screw rod for fixing upper yoke between high pressure upper clamping piece 111 and low pressure upper clamping piece 112, draws screw rod also cross connecting plate
Upside folder 107 can be fixed between high pressure upper clamping piece 111 and low pressure upper clamping piece 112 by the connecting hole on 116.
In the optional scheme of the embodiment, side fastening assembly 102 further includes side pressing plate 117, and side pressing plate 117 is arranged
In the both ends of side coil 106, side pressing plate 117 is located between the end of side coil 106 and the folder of body main body 101；
The inner shape of side pressing plate 117 is consistent with the interior loop-shaped of side coil 106, the outside of side pressing plate 117 and pressure plate 109
Between be spaced set distance；The outside of side pressing plate 117 is also provided with location hole 118, and location hole 118 is used for opposite side pressing plate
117 limits；Oil guide groove 119 is offered on the surface that side pressing plate 117 is bonded with the end of side coil 106, oil guide groove 119
It moves towards parallel with the width direction of stem lamination of iron core 104；Side pressing plate 117 is bonded with the end of side coil 106
Arc oil guide groove 130 is also provided on surface, the trend of arc oil guide groove 130 is consistent with the inner shape of side pressing plate 117, arc
Shape oil guide groove 130 with the main channel oil duct in side coil 106 for being connected.
In this embodiment, side pressing plate 117 is set to the both ends of side coil 106.Specifically, on side coil 106
The side pressing plate 117 of side is located between the upper end and upper clamping piece of side coil 106, the side pressing plate 117 of 106 lower section of side coil
Between the lower end and lower clamping piece of side coil 106, that is to say, that side plate pressing plate is set to the both ends pair of side coil 106
The compression of the progress axial direction of side coil 106.And the interior loop-shaped of the inner shape of side pressing plate 117 and side coil 106
Unanimously, in general, the inside of side pressing plate 117 is arc-shaped, is adapted with the outer surface shape of the stem of arc, side pressure
It is spaced set distance, generally 10~50mm between the outside and pressure plate 109 of plate 117, so that side pressing plate 117 will not abut
In on pressure plate 109, to guarantee that pressure plate 109 can the effectively fastening of opposite side insulating part 110.The outside of side pressing plate 117 is also
Location hole 118 is offered, which pass through the vertical drawing screw rod of connection folder from top to bottom from the slot, and draws
Screw rod realizes the limit of opposite side pressing plate 117.
In this embodiment, the end of side coil 106 is compressed using the side pressing plate 117 with oil guide groove 119, the side
Pressing plate 117 is integral type insulating materials, is generally laminated the wooden notching construction, is also provided with arc oil guide groove on side pressing plate 117
130, for being connected with the main channel oil duct in side coil 106, opposite side coil 106 radiates.Side pressing plate 117 is
The structure integrally slotted improves the seal face of the end of side coil 106 instead of the structure of paper circle sticky pad block in the prior art
Product and compression intensity.
In the optional scheme of the embodiment, the material of upside folder 107 and downside folder 108 is channel steel, wherein upside folder
Parallel both sides offer through-hole on part 107, and the position of through-hole is opposite；It is also equipped with nail pressing 120 on upside folder 107, presses
Nail 120 passes through the upper surface of through-hole abutting and side pressing plate 117；The lower end of upside folder 107 and high pressure upper clamping piece 111 and low pressure
The lower end of upper clamping piece 112 is concordant, holds level with both hands on the upper end of downside folder 108 and high pressure lower clamping piece 113 and low pressure lower clamping piece 114
Together.
In this embodiment, it is also provided with nail pressing 120 to be fixed the side pressing plate 117 on top, prevents side
Pressing plate 117 is mobile；The lower end of upside folder 107 is concordant with the lower end of high pressure upper clamping piece 111 and low pressure upper clamping piece 112, downside folder
The upper end of part 108 is concordant with the upper end of high pressure lower clamping piece 113 and low pressure lower clamping piece 114, so that the seal face of opposite side pressing plate 117
Product increases, and while guaranteeing that opposite side pressing plate 117 compresses, can increase the intensity of side pressing plate 117.
Embodiment two
Referring to shown in Fig. 6 and Fig. 7, the transformer body in the embodiment two is improvement on that basi of the above embodiments,
Technology contents not repeated description disclosed in above-described embodiment, it is public that content disclosed in above-described embodiment also belongs to the embodiment two
The content opened.
In the optional scheme of the embodiment, transformer body further includes alternate fastening assembly 121；Alternate fastening assembly 121
Including alternate pressing plate 122, upper yoke cushion block 123 and fagging 124, alternate pressing plate 122 is located at the adjacent windings in body main body 101
Between 103 end and upper clamping piece；Alternate pressing plate 122 offers plugboard trough 125 on one side, and alternate pressing plate 122 offer it is slotting
The one side of board slot 125 and the end of adjacent windings 103 are affixed；The first part of upper yoke cushion block 123 is accommodated in plugboard trough 125
126, between upper yoke and the end of adjacent windings 103, fagging 124 can lead to the second part 127 of upper yoke cushion block 123
Plugboard trough 125 is crossed to be inserted between upper yoke cushion block 123 and upper yoke.
In this embodiment, alternate fastening assembly 121, alternate fastening assembly are provided in the end of adjacent coil 103
121 include alternate pressing plate 122, upper yoke cushion block 123 and fagging 124.Specifically, for conplane three-phase three-column transformation
Device, alternate fastening assembly 121 are located at the A phase of body main body 101 and the end of B phase coil 103, B phase and C phase coil 103
End, be connected to the iron yoke of A phase and B phase, the iron yoke outer surface of B phase and C phase, for coil 103 compress.Alternate pressing plate
122 upper surfaces are affixed with upper clamping piece, and the lower end surface of alternate pressing plate 122 and the end of adjacent windings 103 are affixed, alternate pressing plate 122
Lower end surface offer plugboard trough 125, the first part 126 of upper yoke cushion block 123 is located in plugboard trough 125, upper yoke cushion block
Between upper yoke and the end of adjacent windings 103, fagging 124 can be inserted 123 second part 127 by plugboard trough 125
Enter between upper yoke cushion block 123 and upper yoke.By opening up plugboard trough 125 to alternate pressing plate 122,124 gap of fagging, device are reserved
After body assembly is completed and toasts drying, the fagging 124 after drying can be passed through at the fluting of alternate pressing plate 122, squeeze into iron
Between yoke cushion block 123 and upper yoke, achieve the purpose that stretching at alternate iron yoke.Solve in body main body 101 two it is adjacent
At upper yoke position between stem, it is difficult to the problem of carrying out axial compression to coil 103.
Specifically, upper yoke cushion block 123 includes cardboard and cross-over block, and cross-over block sticks on cardboard, and upper yoke pad
The shape of block 123 is adapted with the shape of the shape of adjacent iron core column and alternate pressing plate 122.Alternate fastening assembly 121
It can effectively guarantee the compression to coil axial direction, the upper yoke cushion block between one side A phase and B phase, between B phase and C phase
123, back core upper yoke dowel is completed due to mounting coil and is needed, needs to retain between upper yoke cushion block 123 and upper yoke certain
The dowel gap of amount, otherwise upper yoke can be jacked up.Conventional 123 position of body upper yoke cushion block be it is hollow, cannot effectively press
Tightly.This project by opening up plugboard trough 125 on alternate pressing plate 122, with fagging 124 by upper yoke cushion block 123 and iron core 104 it
Between gap tamp, guarantee body component to the compression of coil axial direction.
It should be noted that alternate fastening assembly 121 is arranged in the side that can choose only in high-pressure side or low-pressure side.
In the optional scheme of the embodiment, alternate fastening assembly 121 further includes adjustable plate 128, and adjustable plate 128 is inserted in slotting
In board slot 125, and adjustable plate 128, between alternate pressing plate 122 and fagging 124, adjustable plate 128 is for compressing fagging 124.
In this embodiment, alternate fastening assembly 121 further includes adjustable plate 128, and adjustable plate 128 is insulation board, in body
After assembly is completed and toasts drying, upper yoke cushion block will be squeezed at fluting of the fagging 124 after drying by alternate pressing plate 122
It after between 123 and upper yoke, is adjusted in plugboard trough 125 using the insulation board of different-thickness, reaches and supportted at alternate iron yoke
Tight purpose.
In the optional scheme of the embodiment, transformer body further includes multiple upper yoke tension devices 129, multiple upper yokes
Tension device 129 is arranged at intervals at the top of upper yoke；Upper yoke tension device includes tensing steel plate, iron yoke insulation piece and multiple
Fastening bolt, the one end for tensing steel plate are connect with high pressure upper clamping piece 111 by fastening bolt, and the other end and low pressure of steel plate are tensed
Upper clamping piece 112 is connected by fastening bolt, is tensed and is provided with iron yoke insulation piece between steel plate and upper yoke.
In this embodiment, multiple iron yoke tension devices 129, iron yoke tension device 129 are provided with above upper yoke
Insulating board, the setting of multiple intervals of iron yoke tension device 129, the both ends of iron yoke tension device 129 are provided between upper yoke
Connect respectively with the upper end of high pressure upper clamping piece 111, low pressure upper clamping piece 112 by fastening bolt, for high pressure upper clamping piece 111,
Low pressure upper clamping piece 112 tenses.Using can guarantee when bolt fastening iron yoke tension device 129 fasten after pair upper yoke it is effective
Clamping action solves the problems, such as in the prior art because fastening not tight to upper yoke caused by drawstring is bigger than normal or drawing because drawstring is less than normal
The vertical drawing screw rod risen cannot effectively tense upper clamping piece problem, guarantee upper yoke will not due to the effect of 103 axial force of coil by
It jacks up.
In the optional scheme of the embodiment, upper yoke tension device 129 further includes wood block filler, specifically, can be according to upper iron
Yoke upper surface stairstepping increases wood block filler, and wood block filler one side be bonded with upper yoke step, and another side is plane and exhausted with iron yoke
The fitting of edge part guarantees to tense steel plate to effective compression of upper yoke.
Embodiment three
The embodiment of the present application three provides a kind of transformer, including transformer body described in any of the above-described embodiment.Cause
And whole advantageous effects with transformer body described in any of the above-described embodiment, here, repeating no more.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments in this include in other embodiments
Included certain features rather than other feature, but the combination of the feature of different embodiments means the model for being in the application
Within enclosing and form different embodiments.For example, in the following claims, embodiment claimed it is any
One of can in any combination mode come using.
Claims (10)
1. a kind of transformer body, which is characterized in that including body main body and side fastening assembly, the body main body includes line
Circle, iron core and core clamping；
The side fastening assembly is located at the side coil of body main body two sides, and the side fastening assembly is used for institute
State side coil compression；
The side fastening assembly includes upside folder, downside folder, pressure plate and side insulating part；
Wherein, one end of the upside folder is connect with the high pressure upper clamping piece in the core clamping, the upside folder it is another
One end is connect with the low pressure upper clamping piece in the core clamping, under one end of the downside folder and the core clamping mesohigh
Folder connection, the other end of the downside folder are connect with the core clamping mesolow lower clamping piece；The pressure plate respectively with
The upside folder is connected with the downside folder；
The side insulating part is installed between the side coil and the pressure plate of respective side.
2. transformer body according to claim 1, which is characterized in that the side insulating part is plate structure, described
The side of side insulating part is affixed with the pressure plate, the other side of the side insulating part and the outer surface of the side coil
It fits, the other side surface shape of the side insulating part is adapted with the external surface shape of the side coil.
3. transformer body according to claim 2, which is characterized in that a side surface of the side insulating part offers
Oil stream slot, and the side insulating part offers the surface of oil stream slot and the outer surface of the side coil and fits, the oil
The trend of chute is the axial direction of the side coil.
4. transformer body according to claim 1, which is characterized in that on the upside folder and the downside folder
It is provided with connecting plate, the connecting plate is located at the both ends of the extending direction of the upside folder, and one end of the upside folder is logical
It crosses the connecting plate to connect with the high pressure upper clamping piece, the other end of the upside folder passes through the connecting plate and the low pressure
Upper clamping piece connection；The both ends of the extending direction of the downside folder are also equipped with the connecting plate, one end of the downside folder
Connect by the connecting plate with the high pressure lower clamping piece, the other end of the downside folder by the connecting plate with it is described low
Depress folder connection.
5. transformer body according to claim 4, which is characterized in that the side fastening assembly further includes side pressure
Plate, the side pressing plate are set to the both ends of the side coil, the side pressing plate be located at the side coil end and
Between the folder of the body main body；The inner shape of the side pressing plate is consistent with the inner shape of the side coil, institute
It states and is spaced set distance between the outside of side pressing plate and the pressure plate；Positioning is also provided on the outside of the side pressing plate
Hole, the location hole are used to limit the side pressing plate；
Oil guide groove, the trend of the oil guide groove are offered on the surface that the side pressing plate is bonded with the end of the side coil
It is parallel with the width direction of stem lamination of the iron core；The table that the side pressing plate is bonded with the end of the side coil
Arc oil guide groove is also provided on face, the trend of the arc oil guide groove is consistent with the inner shape of the side pressing plate, described
Arc oil guide groove with the main channel oil duct in the side coil for being connected.
6. transformer body according to claim 5, which is characterized in that the material of the upside folder and downside folder is
Channel steel, wherein parallel both sides offer through-hole on the upside folder, and the position of the through-hole is opposite；The upside folder
Nail pressing is also equipped on part, the nail pressing passes through the upper surface of through-hole abutting and the side pressing plate；
The lower end of the upside folder is concordant with the lower end of high pressure upper clamping piece and low pressure upper clamping piece, the upper end of the downside folder with
The upper end of high pressure lower clamping piece and low pressure lower clamping piece is concordant.
7. transformer body according to claim 1, which is characterized in that further include alternate fastening assembly；It is described alternate tight
Gu component includes alternate pressing plate, upper yoke cushion block and fagging, the alternate pressing plate is located at the adjacent windings in the body main body
End and the upper clamping piece between；The alternate pressing plate offers plugboard trough on one side, and the alternate pressing plate offer it is slotting
The one side of board slot and the end of the adjacent windings are affixed；The first part of upper yoke cushion block, institute are accommodated in the plugboard trough
The second part of upper yoke cushion block is stated between the upper yoke and the end of the adjacent windings, the fagging can pass through
The plugboard trough is inserted between the upper yoke cushion block and upper yoke.
8. transformer body according to claim 7, which is characterized in that the alternate fastening assembly further includes adjustable plate,
The adjustable plate is inserted in the plugboard trough, and the adjustable plate is between the alternate pressing plate and the fagging, described
Adjustable plate is for compressing the fagging.
9. transformer body according to claim 1, which is characterized in that it further include multiple upper yoke tension devices, it is multiple
The upper yoke tension device is arranged at intervals at the top of upper yoke；The upper yoke tension device includes tensing steel plate, iron yoke
Insulating part and multiple fastening bolts, described one end for tensing steel plate are connect with the high pressure upper clamping piece by the fastening bolt,
It is described tense steel plate the other end connect with the low pressure upper clamping piece by the fastening bolt, the tension steel plate with it is described on
The iron yoke insulation piece is provided between iron yoke.
10. a kind of transformer, which is characterized in that including transformer body described in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962567.7U CN209045330U (en) | 2018-11-26 | 2018-11-26 | Transformer body and transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821962567.7U CN209045330U (en) | 2018-11-26 | 2018-11-26 | Transformer body and transformer |
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| CN209045330U true CN209045330U (en) | 2019-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243788A (en) * | 2018-11-26 | 2019-01-18 | 山东电工电气集团智能电气有限公司 | Transformer body and transformer |
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2018
- 2018-11-26 CN CN201821962567.7U patent/CN209045330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243788A (en) * | 2018-11-26 | 2019-01-18 | 山东电工电气集团智能电气有限公司 | Transformer body and transformer |
| CN109243788B (en) * | 2018-11-26 | 2024-02-27 | 山东电工电气集团智能电气有限公司 | Transformer body and transformer |
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