CN208256436U - A kind of transformer coil cushion block anti-loose structure - Google Patents
A kind of transformer coil cushion block anti-loose structure Download PDFInfo
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- CN208256436U CN208256436U CN201820834668.XU CN201820834668U CN208256436U CN 208256436 U CN208256436 U CN 208256436U CN 201820834668 U CN201820834668 U CN 201820834668U CN 208256436 U CN208256436 U CN 208256436U
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- Prior art keywords
- cushion block
- folder
- threaded fastener
- transformer coil
- loose structure
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a kind of transformer coil cushion block anti-loose structures.Transformer coil cushion block anti-loose structure includes folder and the cushion block that is arranged between folder and coil, it further include the elastic top laminated structure in the Path of Force Transfer being arranged between folder and cushion block, threaded fastener is fixed on folder, the elastic top laminated structure is set on the threaded fastener, elastic top laminated structure has the second press end for bearing the active force from cushion block side close to the first press end and close cushion block for bearing the active force from folder side of folder, there is the interval for avoiding threaded fastener in elastic top laminated structure elastic telescopic between the threaded fastener and cushion block.The elastic force of elastic top laminated structure directly passes through the first press end and is applied on folder and cushion block with the second press end, and threaded fastener does not stress, and avoids threaded fastener and loosens.
Description
Technical field
The utility model relates to a kind of transformer coil cushion block anti-loose structures.
Background technique
Transformer needs for coil to be fitted into the shell of transformer during assembly.When assembling coil, usually
Axial grip is first carried out to coil by upper clamping piece and lower clamping piece outside transformer, between upper clamping piece and coil and lower clamping piece
Cushion block is set between coil, and folder is equipped with bolt, and one end of bolt applies pressing force to cushion block, and cushion block can increase folder
The active area of clamping force between coil.But transformer is during use, the bolt meeting between cushion block and folder
Loosening is generated, the clamping force between coil and folder reduces, and influences the working performance of transformer.
Authorization Notice No. is CN203325669U, and authorized announcement date is that the Chinese utility model patent of 2013.12.04 discloses
A kind of dry-type transformer coil elastic pressuring clamping device, the dry-type transformer coil elastic pressuring clamping device include that folder and setting exist
The Path of Force Transfer of cushion block between coil and folder, folder and cushion block is equipped with elastic top laminated structure, and folder is equipped with bolt, pad
Groove is equipped at the position opposite with bolt on block, elastic top laminated structure includes that the casting die being arranged in groove and setting are being pressed
The end of disc spring between part and the slot bottom of groove, bolt is abutted with casting die.
Above-mentioned pole transformer coil elastic pressuring clamping device presses casting die when in use, by the end of bolt, utilizes
Casting die compresses disc spring to apply pressing force to cushion block, and disc spring can be stored energy, cushion block is avoided to loosen after compressive deformation.But
Element of the bolt as power transmission, itself pressure on top surface by disc spring, transformer can generate vibration during use and jolt, dish
The elastic force of spring can generate variation, and bolt looseness can be made when the elastic force of the variation is transferred on bolt.
Utility model content
The purpose of this utility model is to provide a kind of transformer coil cushion block anti-loose structures, to solve spiral shell in the prior art
Element of the bolt as power transmission, itself by disc spring elastic force and transformer vibration jolt when loosen the problem of.
In order to solve the above-mentioned technical problem, the technical solution of the transformer coil cushion block anti-loose structure of the utility model are as follows:
Transformer coil cushion block anti-loose structure further includes setting including folder and the cushion block being arranged between folder and coil
The elastic top laminated structure in the Path of Force Transfer between folder and cushion block is set, threaded fastener, the elasticity are fixed on folder
Press structure is set on the threaded fastener, and elastic top laminated structure has close to folder for bearing from folder side
First press end of active force and the second press end for bearing the active force from cushion block side of close cushion block, the screw thread
There is the interval for avoiding threaded fastener in elastic top laminated structure elastic telescopic between fastener and cushion block.
The beneficial effect of the technical solution is: elastic top laminated structure is set on threaded fastener, elastic top laminated structure
With the first press end for bearing the active force from folder side and second for bearing the active force from cushion block side
End is pressed, the elastic force of elastic top laminated structure directly passes through the first press end and is applied on folder and cushion block with the second press end,
Threaded fastener does not stress, and avoids threaded fastener and loosens.
The elastic top laminated structure includes spring and the spring base that both ends of the spring is arranged in, and the spring base is correspondingly formed institute
State the first press end and the second press end.Spring base can increase the contact area of elastic top laminated structure and folder and cushion block.
The spring is the disc spring of make-up.The rigidity of disc spring is big, bigger by compressed elastic force.
The spring base is annular gasket.The cost of annular gasket is low.
The cushion block is equipped with groove, and the interval is by the space shape between the threaded fastener and the slot bottom of groove
At.The structure of groove is simple, easy to process.
The threaded fastener is bolt, and the bolt head of the bolt protrudes into the groove of cushion block.The bolt head of bolt can
With the axial block with elastic top laminated structure along bolt, elastic top laminated structure is avoided to be detached from the body of rod of bolt.
The folder is equipped with the stop nut with the threaded fastener fits in close cushion block side.Stop nut can add
By force to the coupling mechanism force of threaded fastener, threaded fastener is avoided to loosen.
Bushing is fixedly provided on the folder, bushing is equipped with the threaded hole with the threaded fastener fits.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the transformer coil cushion block anti-loose structure of the utility model；
Fig. 2 is the enlarged diagram at the A in the transformer coil cushion block anti-loose structure of Fig. 1.
It is respectively marked in figure: 1. low-voltage copper bars；2. coil；3. tapping binding post；4. folder；5. cushion block；6. high tension terminal；
7. disc spring；8. annular gasket；9. bolt；10. bushing；11. stop nut；12. groove.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The embodiment 1 of the transformer coil cushion block anti-loose structure of the utility model, as shown in Figures 1 and 2, the transformer wire
Circle cushion block anti-loose structure includes coil 2, the folder 4 that coil axial ends is arranged in and is arranged between folder 4 and coil 2
Cushion block 5.
Folder includes upper clamping piece and lower clamping piece, anti-loose structure and lower clamping piece, cushion block between upper clamping piece, cushion block and coil
And the anti-loose structure between coil is the same, only selects and is wherein illustrated at one herein.
Folder 4 is channel steel structure, the connection side including two parallel edges of two parallel edges parallel to each other and connection.Folder
Bushing 10 is welded on the parallel edges of 42 side of close coil, 5 side of close cushion block of folder 4 is equipped with stop nut
11, bushing 10 and 11 screw-internal thread fit of stop nut have bolt 9, and bolt 9 forms the threaded fastener on folder 4, bushing 10
And stop nut 11 can loosen to avoid bolt 9, and the length of bolt 9 is made to keep stablizing；In other embodiments, stop nut
11 also can be set in the side of the separate cushion block of folder, and stop nut 11 is located at ipsilateral with bushing 10.Cushion block 5 is equipped with groove
12, the bolt head of bolt 9 protrudes into groove 12, has interval between bolt head and the slot bottom of groove 12.
Elastic top laminated structure is arranged on the outer wall of bolt 9, elastic top laminated structure includes the disc spring 7 of make-up and is arranged in dish
The spring base at 7 both ends of spring, in the present embodiment, spring base are annular gasket 8, and the formation of annular gasket 8 close to folder 4 is used for
The the first press end for bearing the active force from 4 side of folder, forms close to the annular gasket 8 of cushion block 5 for bearing to come from cushion block 5
Second press end of the active force of side.
Coil 2 is equipped with high tension terminal 6, low-voltage copper bar 1 and tap binding post 3.High tension terminal 6 and tap wiring
The radial two sides of coil 2 are arranged in column 3, and the ipsilateral of the radial direction of coil 2 is arranged in low-voltage copper bar 1 and tap binding post 3.It will be high
Crimping terminal 6 is provided separately within the side of coil 2, and the radical length that can use coil guarantees that high tension terminal 6 connects with tap
Creepage distance of insulation between terminal 3, low-voltage copper bar 1, to reduce between the first binding post of high tension terminal 6 and tail binding post
Distance, and then reduce the axial length of coil 2, reduce the whole height of transformer.
The transformer coil cushion block anti-loose structure of the utility model when in use, by annular gasket 8, disc spring 7 and locking
Nut 11 is respectively assembled on bolt 9, and bolt 9 is screwed into bushing 10, the bolt head of bolt 9 at this time can to disc spring 7 with
And the axial block of annular gasket 8 contacts annular gasket 8 with cushion block 5, simultaneously by the length of 11 adjustment bolt 9 of stop nut
There is interval, disc spring 7 is in compressive state and stores energy at this time between the bolt head of bolt 9 and the groove 12 of cushion block 5.Work as change
When depressor appearance vibration is jolted, folder 4 is to the dynamic clamping force of cushion block 5, and 7 flexible deformation of disc spring, disc spring 7 pass through air ring at this time
The direct transmitting forces between folder 4 and cushion block 5 of piece 8 make have enough clamping forces between folder and cushion block, avoid spiral shell
Bolt 9 and cushion block 5 loosen.
The embodiment 2 of the transformer coil cushion block anti-loose structure of the utility model, the difference from embodiment 1 is that: implement
Elasticity press structure includes that disc spring and spring base also can be omitted spring base and increase the straight of disc spring in the present embodiment in example 1
Diameter, disc spring directly press against between cushion block and stop nut, and the disc spring at both ends is correspondingly formed the first press end and the second press end.
The embodiment 3 of the transformer coil cushion block anti-loose structure of the utility model, the difference from embodiment 1 is that: implement
Spring is disc spring in example 1, and in the present embodiment, spring may be pressure spring.
The embodiment 4 of the transformer coil cushion block anti-loose structure of the utility model, the difference from embodiment 1 is that: implement
Spring base is annular gasket in example 1, and in the present embodiment, spring base may be the pressing plate with central through hole.
The embodiment 5 of the transformer coil cushion block anti-loose structure of the utility model, the difference from embodiment 1 is that: implement
Cushion block is equipped with groove in example 1, and interval is formed by the space between bolt head and the slot bottom of groove, in the present embodiment, can also
To omit groove, increase the thickness of the annular gasket close to cushion block side, the bolt head of bolt is located in annular gasket and is no more than
End face where the bottom of annular gasket, the space between bolt head and the top surface of cushion block form interval.
The embodiment 6 of the transformer coil cushion block anti-loose structure of the utility model, the difference from embodiment 1 is that: implement
Threaded fastener is bolt in example 1, and in the present embodiment, threaded fastener may be screw rod or nail pressing.
Claims (8)
1. transformer coil cushion block anti-loose structure further includes setting including folder and the cushion block being arranged between folder and coil
The elastic top laminated structure in Path of Force Transfer between folder and cushion block is fixed with threaded fastener on folder, it is characterised in that:
The elastic top laminated structure is set on the threaded fastener, and elastic top laminated structure has close to folder for bearing to come from
First press end of the active force of folder side and the second press end for bearing the active force from cushion block side of close cushion block,
There is the interval for avoiding threaded fastener in elastic top laminated structure elastic telescopic between the threaded fastener and cushion block.
2. transformer coil cushion block anti-loose structure according to claim 1, it is characterised in that: the elastic top laminated structure packet
Spring and the spring base that both ends of the spring is set are included, the spring base is correspondingly formed the first press end and the second press end.
3. transformer coil cushion block anti-loose structure according to claim 2, it is characterised in that: the spring is the dish of make-up
Spring.
4. transformer coil cushion block anti-loose structure according to claim 2, it is characterised in that: the spring base is annular
Gasket.
5. transformer coil cushion block anti-loose structure according to claim 1-4, it is characterised in that: on the cushion block
Equipped with groove, the interval is formed by the space between the threaded fastener and the slot bottom of groove.
6. transformer coil cushion block anti-loose structure according to claim 5, it is characterised in that: the threaded fastener is spiral shell
The bolt head of bolt, the bolt protrudes into the groove of cushion block.
7. transformer coil cushion block anti-loose structure according to claim 1-4, it is characterised in that: the folder in
The stop nut with the threaded fastener fits is equipped with close to cushion block side.
8. transformer coil cushion block anti-loose structure according to claim 7, it is characterised in that: be fixedly provided on the folder
Bushing, bushing are equipped with the threaded hole with the threaded fastener fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834668.XU CN208256436U (en) | 2018-05-31 | 2018-05-31 | A kind of transformer coil cushion block anti-loose structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820834668.XU CN208256436U (en) | 2018-05-31 | 2018-05-31 | A kind of transformer coil cushion block anti-loose structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256436U true CN208256436U (en) | 2018-12-18 |
Family
ID=64652720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820834668.XU Active CN208256436U (en) | 2018-05-31 | 2018-05-31 | A kind of transformer coil cushion block anti-loose structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256436U (en) |
-
2018
- 2018-05-31 CN CN201820834668.XU patent/CN208256436U/en active Active
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