CN206179650U - Pull plate structure of dry type transformer - Google Patents
Pull plate structure of dry type transformer Download PDFInfo
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- CN206179650U CN206179650U CN201621141873.5U CN201621141873U CN206179650U CN 206179650 U CN206179650 U CN 206179650U CN 201621141873 U CN201621141873 U CN 201621141873U CN 206179650 U CN206179650 U CN 206179650U
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- arm
- fixed lobe
- tie body
- tie
- type transformer
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Abstract
The utility model discloses a pull plate structure of dry type transformer, it includes the arm -tie body, and the both ends of arm -tie body all are connected with stationary hump, and one of them stationary hump is terrace with edge or round platform setting, and the less one end and this body coupling of arm -tie of the area of terminal surface among the stationary hump, at least and one of them stationary hump component detachable fixed connection of arm -tie body, the utility model discloses in be stationary hump that terrace with edge or round platform set up because simple structure, and workable, the degree of difficulty can effectually reduce to make, help improving production efficiency.
Description
Technical field
The utility model belongs to transformer part technical field, and in particular to a kind of pulling plate of dry-type transformer structure.
Background technology
Transformer is a kind of electric energy transfer device, transmits electricity from a circuit to another circuit using electromagnetic induction principle
Can, it is usually used in power Transmission or user's distribution.Existing transformer is mainly made up of iron core and coil windings, and iron core is to pass through
What upper and lower folder and arm-tie were fixed, weld corresponding bearing pin in upper and lower folder, the two ends of arm-tie process corresponding with bearing pin
Circular apertures.The load bearing stength of such transformer core fixed structure processing is low, and magnetism isolating effect is bad.
A kind of novel dry is disclosed in the patent document (referred to hereinafter as documents 1) of Publication No. CN202076084U to become
Depressor pulling plate structure, the arm-tie is arranged between upper and lower folder, the arm-tie two ends be provided with fan-shaped convex surface and with upper and lower folder
On fan groove match；The arm-tie is, without excitation arm-tie, magnet isolation tank to be offered thereon；The simple structure of documents 1, draws
The design on plate two ends sector convex surface, big than rounded engagement contact surface, load bearing stength is high；And the design of magnet isolation tank make its entirety every
Magnetic effect is good, and eddy-current loss is small, it is ensured that the stability of transformer fe core performance.
But, fan-shaped convex surface and matched fan groove are different because of the radian of each point, if therefore directly being added using lathe
Man-hour, it is necessary to could complete machine tooling to obtain data by complicated calculating；If using die casting, needing also exist for elder generation
Mould prototype is produced, and the making of mould prototype needs also exist for just being processed with the data for obtaining by complicated calculating
Into；And, either machine tooling still utilizes die casting, after machining, during cleaning burr, it is necessary to very small
The heart, otherwise can cause that radian is damaged, the above, can all cause the making of documents 1 complex, and easily expend big
The time of amount.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of pulling plate of dry-type transformer knot
Structure, its simple structure, it is easy to process.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of pulling plate of dry-type transformer structure, it includes arm-tie body, and the two ends of the arm-tie body are respectively connected with fixation
Projection, one of them described fixed lobe is set in terrace with edge or round platform, and in the fixed lobe end face area less
End is connected with the arm-tie body, and the arm-tie body at least constitutes detachable fixation even with fixed lobe one of them described
Connect.
Can further set：The arm-tie body constitutes detachable being fixedly connected with fixed lobe each described.
Can further set：The fixed lobe offers connecting hole, and the connecting hole offers internal thread, the arm-tie
The periphery of the end of body offers external screw thread, and the arm-tie body stretches into the connecting hole and constitutes screw thread with the internal thread
Connection, the two ends of the arm-tie body it is externally threaded in opposite direction.
Can further set：Each described fixed lobe is set in terrace with edge or round platform.
Can further set：Also include the tightening structure of described pulling plate of dry-type transformer structure, also including being distributed in iron
The folder of core both sides, each described folder offers the mating holes being adapted to the shape of the fixed lobe, size.
Can further set：The folder is provided with reinforcing plate away from the side of the arm-tie body, and the reinforcing plate is equal
Cooperation secondary orifices is offered, the cooperation secondary orifices is adapted to the shape of the part of the protrusion folder, size in the fixed lobe.
Can further set：The arm-tie body is that, without excitation arm-tie, the outer surface of the arm-tie body is offered every magnetic
Groove.
The beneficial effects of the utility model are：By above-mentioned technical proposal, folder offers mating holes, the two of arm-tie body
End is respectively connected with fixed lobe, and shape, the size of fixed lobe are adapted to mating holes, and fixed lobe is in terrace with edge or round platform
Set, the area of the cross section of fixed lobe is gradually reduced along the length direction of arm-tie body, the cross-sectional area of fixed lobe compared with
Small one end is fixed with arm-tie body, so so that the simple structure of the present embodiment, and, the design of fixed lobe, than circle
Shape and fan-shaped convex surface are bigger with the contact surface of folder, therefore load bearing stength is higher, additionally, the fixed lobe set in terrace with edge or round platform
Because simple structure, and easy processing, can effectively reduce manufacture difficulty, be favorably improved production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of pulling plate of dry-type transformer structure in the utility model；
Fig. 2 is the structural representation of application pulling plate of dry-type transformer structure in the utility model；
Fig. 3 is the front view of application pulling plate of dry-type transformer structure in the utility model.
In figure：10th, folder；11st, mating holes；21st, arm-tie body；22nd, fixed lobe；30th, reinforcing plate；31st, secondary orifices is coordinated.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model, after the utility model has been read, those skilled in the art couple
The modification of the various equivalent form of values of the present utility model falls within the application appended claims limited range.
According to Fig. 1 and Fig. 3, a kind of pulling plate of dry-type transformer structure, including arm-tie body 21, arm-tie body 21 is extremely
Few one end is detachable to be fixedly connected with fixed lobe 22, and fixed lobe 22 is set in terrace with edge or round platform, the horizontal stroke of fixed lobe 22
The area in section is gradually reduced along the length direction of arm-tie body 21, less one end of cross-sectional area of fixed lobe 22 and arm-tie
Body 21 is fixed, so so that the simple structure of the present embodiment, and, the design of fixed lobe 22, than circular and fan-shaped convex
Face is bigger with the contact surface of folder 10, therefore load bearing stength is higher.
The also tightening structure including pulling plate of dry-type transformer structure, also including being distributed in the folder 10 of iron core both sides, each
Folder 10 offers the mating holes 11 being adapted to the shape of fixed lobe 22, size.
For tightening structure, carry out in the present embodiment arranged below：Folder 10 offers mating holes 11, in this implementation
In, the structure between exemplary one end for stating out arm-tie body 21 and folder 10, and the shape of fixed lobe 22, size are equal
With being adapted to for mating holes 11, additionally, the fixed lobe 22 set in terrace with edge or round platform is because simple structure, and easy processing, can have
The reduction manufacture difficulty of effect, is favorably improved production efficiency.
At least one fixed lobe 22 constitutes detachable fixation with arm-tie body 21 using fixture (being not drawn into figure)
Connection, so, helps to be installed on arm-tie body 21 between corresponding folder 10；Specifically, first will wherein fix convex
Rise and 22 pulled down from arm-tie body 21, arm-tie body 21 is then passed through one of into mating holes 11 on folder 10 until remaining on board
Under fixed lobe 22 coordinate with mating holes 11, the fixed lobe 22 that then will have been pulled down using fixture (being not drawn into figure) is pacified
Loaded on one end that fixed lobe 22 is not installed on arm-tie body 21.Can for what is constituted between fixed lobe 22 and arm-tie body 21
Detachable is fixedly connected, and in the present embodiment, can carry out arranged below, i.e., fixture (being not drawn into figure) is set to bolt, and draws
Plate body 21 stretches into the fixed lobe 22 or fixed lobe 22 stretches into arm-tie body 21, bolt-through arm-tie body 21 and fixation
Raised 22 intersection.
It is fixedly connected for the detachable of composition between fixed lobe 22 and arm-tie body 21, in the present embodiment,
Can carry out arranged below, i.e., fixed lobe 22 offers connecting hole (being not drawn into figure), and connecting hole (being not drawn into figure) is offered
Internal thread (is not drawn into) in figure, and the periphery of the end of arm-tie body 21 offers external screw thread (being not drawn into figure), arm-tie body 21
Stretch into connecting hole (being not drawn into figure) and constituted with internal thread (being not drawn into figure) and be threadedly coupled, outside the two ends of arm-tie body 21
Screw thread (being not drawn into figure) it is in opposite direction；So, arm-tie body 21 need to only be rotated, it is possible to while by arm-tie body 21 and two
The fixed lobe 22 at end is fixed.
And, it is the contact area further between increase fixed lobe 22 and folder 10, therefore in the present embodiment, it is fixed
Raised 22 outer surfaces contacted with mating holes 11 are provided with lug boss (being not drawn into figure), and, to cause to be provided with lug boss
The fixed lobe 22 of (being not drawn into figure) can smoothly slip into mating holes 11 and is adapted to mating holes 11, therefore in the present embodiment
Carry out arranged below：In mating holes 11 away from arm-tie body 21 one end offer with lug boss (being not drawn into figure) coordinate it is convex
Rise hole (being not drawn into figure), the length direction of the raised hole (being not drawn into figure) parallel to arm-tie body 21 length direction, this
Sample, (is not drawn into) using raised hole in figure, not only can smoothly allow that fixed lobe 22 smoothly slides into mating holes 11, and
And, the cooperation of raised hole (being not drawn into figure) and lug boss (being not drawn into figure) also increases fixed lobe 22 and mating holes 11
Contact area, improve load bearing stength higher.
For fixed lobe 22, in the present embodiment, it is in that truncated rectangular pyramids are set for exemplary setting, certainly, in this implementation
In example, its shape is not defined, the requirement for only needing it to meet the present embodiment.
Additionally, being the bonding strength between increase folder 10 and fixed lobe 22, in this embodiment, folder 10 deviates from arm-tie
The side of body 21 is provided with reinforcing plate 30, and reinforcing plate 30 offers cooperation secondary orifices 31, coordinates secondary orifices 31 and fixed lobe 22
The shape of the part of middle prominent folder 10, size adaptation, so, effectively increase the company between folder 10 and fixed lobe 22
Connect intensity.
Arm-tie body 21 is that, without excitation arm-tie, the outer surface of arm-tie body 21 offers magnet isolation tank (being not drawn into figure), every
The design of magnetic groove (being not drawn into figure) makes that its overall magnetism isolating effect is good, and eddy-current loss is small, it is ensured that transformer fe core performance it is steady
It is qualitative.
Additionally, in the present embodiment, mating holes 11, cooperation secondary orifices 31, magnet isolation tank (being not drawn into figure) are opened using laser
Hole technology is processed.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that right
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of pulling plate of dry-type transformer structure, it is characterised in that：It includes arm-tie body (21), the arm-tie body (21)
Two ends are respectively connected with fixed lobe (22), and one of them described fixed lobe (22) is set in terrace with edge or round platform, and the fixation
Less one end of area of end face is connected with the arm-tie body (21) in raised (22), the arm-tie body (21) at least with its
In the fixed lobe (22) constitute detachable being fixedly connected.
2. pulling plate of dry-type transformer structure according to claim 1, it is characterized by：The arm-tie body (21) and each institute
State fixed lobe (22) and constitute detachable being fixedly connected.
3. pulling plate of dry-type transformer structure according to claim 1, it is characterized by：Fixed lobe (22) company of offering
Hole is connect, the connecting hole offers internal thread, and the periphery of the end of the arm-tie body (21) offers external screw thread, the arm-tie
Body (21) stretches into the connecting hole and is constituted with the internal thread and is threadedly coupled, the outer spiral shell at the two ends of the arm-tie body (21)
Line it is in opposite direction.
4. pulling plate of dry-type transformer structure according to claim 1, it is characterized by：Each described fixed lobe (22) is in
Terrace with edge or round platform are set.
5. pulling plate of dry-type transformer structure according to claim 1, it is characterized by：Also include being distributed in the folder of iron core both sides
Part (10), each described folder (10) offers the mating holes being adapted to the shape of the fixed lobe (22), size
(11)。
6. pulling plate of dry-type transformer structure according to claim 5, it is characterized by：The folder (10) is away from the arm-tie
The side of body (21) is provided with reinforcing plate (30), and the reinforcing plate (30) offers cooperation secondary orifices (31), the matching pair
Hole (31) is adapted to the shape of the part of the protrusion folder (10), size in the fixed lobe (22).
7. pulling plate of dry-type transformer structure according to claim 5, it is characterized by：The arm-tie body (21) is without excitation
Arm-tie, the outer surface of the arm-tie body (21) offers magnet isolation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141873.5U CN206179650U (en) | 2016-10-20 | 2016-10-20 | Pull plate structure of dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141873.5U CN206179650U (en) | 2016-10-20 | 2016-10-20 | Pull plate structure of dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179650U true CN206179650U (en) | 2017-05-17 |
Family
ID=58678985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621141873.5U Active CN206179650U (en) | 2016-10-20 | 2016-10-20 | Pull plate structure of dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148104A (en) * | 2018-08-01 | 2019-01-04 | 江苏宏源电气有限责任公司 | A kind of transformer drawing screw rod and pulling plate |
-
2016
- 2016-10-20 CN CN201621141873.5U patent/CN206179650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148104A (en) * | 2018-08-01 | 2019-01-04 | 江苏宏源电气有限责任公司 | A kind of transformer drawing screw rod and pulling plate |
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