CN105097238A - Insulating cushion block used for dry transformer - Google Patents
Insulating cushion block used for dry transformer Download PDFInfo
- Publication number
- CN105097238A CN105097238A CN201510565160.5A CN201510565160A CN105097238A CN 105097238 A CN105097238 A CN 105097238A CN 201510565160 A CN201510565160 A CN 201510565160A CN 105097238 A CN105097238 A CN 105097238A
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- Prior art keywords
- main body
- collets
- groove
- dry
- insulating
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Abstract
The invention relates to an auxiliary part of a dry transformer, and specifically to an insulating cushion block used for the dry transformer. The insulating cushion block used for the dry transformer comprises an insulating block main body which is molded integrally by using an insulating material; an upper groove is formed in the upper end of the insulating block main body and a lower groove is formed in the bottom end of the insulating block main body; a metal block is arranged in the upper groove; a clamping part which can be inserted into an insulating barrel is arranged in the lower groove; a lug boss is arranged at one side end of the insulating block main body; and the top surface of the lug boss is lower than the top surface of the insulating block main body. The insulating cushion block used for the dry transformer has relatively good positioning reliability.
Description
Technical field
The present invention relates to a kind of dry-type transformer auxiliary member, be specifically related to a kind of dry-type transformer cross-over block.
Background technology
The places such as dry-type transformer refers to that iron core and winding are not immersed in the transformer in insulating oil, is widely used in localized lighting, skyscraper, airport, harbour CNC plant equipment.
Insulating padding block for dry type transformer is the critical piece of transformer coil location and load-bearing, and outward appearance also can be reacted to client intuitively simultaneously.Quality and outward appearance are quite important, are the cores of load-bearing, the guarantee of coil each several part sizing.Suitable important of the design of cushion block.
The conventional nut that bears down on one is located now, then carrys out support coils with a rectangular dielectric block, but reliability is poor, and arcing distance is less, and also because rectangular dielectric block cannot be located, easily movement, makes insulation effect poor.And need with nut and the acting in conjunction of rectangular dielectric block of bearing down on one when installing, operate more complicated.
Summary of the invention
The invention is intended to provide a kind of dry-type transformer cross-over block, to solve now poor with the nut reliability of positioning that bears down on one problem.
For overcoming the above problems, adopt following scheme:
Scheme one: dry-type transformer cross-over block, comprise by the integrated collets main body of insulating material, the top of described collets main body is provided with upper groove and bottom is provided with low groove; Metal derby is provided with in described upper groove; The Access Division can inserting insulating cylinder is provided with in described low groove; The side of described collets main body is provided with boss, and the end face of described boss is lower than the end face of described collets main body.
Beneficial effect:
1. the top of collets main body described in is provided with upper groove and bottom is provided with low groove; The Access Division can inserting insulating cylinder is provided with in described low groove; Facilitate the present invention and be used for clamping the apparatus for fixing transformer of transformer core above it and link together fast with the insulating cylinder below it, also can separating and making up again easily, simple and quick during use.Positioned by upper groove and low groove, carry out the poor problem of reliability of positioning with nail pressing nut before changing, effectively improve reliability of positioning.Meanwhile, in low groove, the both sides of Access Division are also carried out spacing respectively to high-tension coil and low-voltage coil, further increase the accuracy of the present invention location.
2. described in, the side of collets main body is provided with boss, and the end face of described boss is lower than the end face of described collets main body; Support iron core spacing to iron core with boss, be conducive to strengthening coil creepage distance over the ground, strengthen the anti-short circuit capability of its electric strength and transformer.
3. can, by the height selecting the iron block clamping of suitable height to adjust whole cross-over block in upper groove and low groove, make the present invention use more flexibly, conveniently, increase the scope of application of the present invention.
4. collets main body insulating material is one-body molded, and mechanical strength is high, and electrical insulation properties is good.
5. in upper groove described in, be provided with metal derby; Because metal derby is comparatively hard, effectively increases support force intensity of the present invention, add the scope of application of the present invention.
6. in low groove described in, be provided with the Access Division can inserting insulating cylinder; Access Division is inserted the position that well ensure that insulating cylinder in insulating cylinder.
7. the present invention has easy to make, coordinates advantage closely.Meanwhile, significantly can reduce different cushion block needed for different product and consequent die cost, and shorten the construction period, reduce production cost.
Scheme two: on the basis of scheme one further, described boss is the isosceles trapezoidal structure diminished gradually away from one end of collets main body; Be conducive to the folder of clamping coil to be connected on boss, facilitate boss quick insertion or exit.
Scheme three: on the basis of scheme one further, described collets main body and upper groove, low groove and boss all symmetrical along the same line; Mold Making can be made relatively simple, and elegant in appearance.
Scheme four: on the basis of scheme one further, the base area of described low groove is greater than the base area of described upper groove; Support force intensity of the present invention can be increased, improve the scope of application of the present invention.
Scheme five: on the basis of scheme one further, the centre of described Access Division has the groove for coil location; The reliability to coil location can be increased.
Scheme six: on the basis of scheme five further, the bottom of described Access Division is the trapezium structure diminished gradually, be conducive to Access Division is injected in insulating cylinder fast, simultaneously because the rebound reset effect of groove is firmly connected with insulating cylinder after making Access Division insert insulating cylinder.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the cutaway view of Fig. 1 along A-A line.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: collets main body 1, upper groove 2, boss 3, Access Division 4, low groove 5, iron block 6.
As shown in Figure 1, dry-type transformer cross-over block comprises the collets main body 1 being added the bonding compacting of glass fibre by epoxy resin.The top of collets main body 1 has the upper groove 2 of rectangle.The bottom of collets main body 1 has low groove 5.The left end of collets main body 1 is one-body molded boss 3.
As shown in Figure 2, upper groove 2, collets main body 1 and boss 3 all with same perpendicular bisector for line of symmetry self is symmetrical.The right-hand member of boss 3 is diminishing isosceles trapezoidal structure.
As shown in Figure 3, collets main body 1, low groove 5 and Access Division 4 all with same perpendicular bisector for line of symmetry self is symmetrical.Access Division 4 is run through low groove 5 and is connected with two outsides of collets main body 1, is separated with certain distance between low groove 5 and collets main body 1.There is a groove centre of Access Division 4, conveniently coil is positioned, conveniently Access Division 4 is inserted in insulating cylinder, groove after two limit compressing grooves make Access Division 4 insert insulating cylinder when making Access Division 4 insert insulating cylinder between two limits restores to the original state outwardly, make the outside clamping insulating cylinder on two limits, the present invention is firmly arranged on insulating cylinder.
As shown in Figure 4, in upper groove 2, be inlaid with zinc-plated iron block 6, and the bottom surface size of iron block 6 is greater than the bottom surface of upper groove 2, iron block 6 firmly can be embedded in upper groove 2, adds support force intensity of the present invention with iron block 6.Not at grade, and the end face of boss 3 is lower than the end face of collets main body 1 for the end face of boss 3 and the end face of collets main body 1, abuts, increase support strength of the present invention after being conducive to making the folder of clamping coil stick into upper groove 2 with boss 3.The bottom of Access Division 4 is for reduce gradually, and its bottom cross section is right-angled trapezium.The area of low groove 5 is greater than upper groove 2, makes to be greater than upper groove 2 with the contact area of low groove 5 clamping, is conducive to increasing support force of the present invention.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection range that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (6)
1. dry-type transformer cross-over block, is characterized in that: comprise by the integrated collets main body of insulating material, the top of described collets main body is provided with upper groove and bottom is provided with low groove; Metal derby is provided with in described upper groove; The Access Division can inserting insulating cylinder is provided with in described low groove; The side of described collets main body is provided with boss, and the end face of described boss is lower than the end face of described collets main body.
2. dry-type transformer cross-over block according to claim 1, is characterized in that: described boss is the isosceles trapezoidal structure diminished gradually away from one end of collets main body.
3. dry-type transformer cross-over block according to claim 1, is characterized in that: described collets main body and upper groove, low groove and boss all symmetrical along the same line.
4. dry-type transformer cross-over block according to claim 1, is characterized in that: the base area of described low groove is greater than the base area of described upper groove.
5. dry-type transformer cross-over block according to claim 1, is characterized in that: the centre of described Access Division has the groove for coil location.
6. according to dry-type transformer cross-over block according to claim 5, it is characterized in that: the bottom of described Access Division is the trapezium structure diminished gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565160.5A CN105097238A (en) | 2015-09-08 | 2015-09-08 | Insulating cushion block used for dry transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565160.5A CN105097238A (en) | 2015-09-08 | 2015-09-08 | Insulating cushion block used for dry transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105097238A true CN105097238A (en) | 2015-11-25 |
Family
ID=54577457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510565160.5A Pending CN105097238A (en) | 2015-09-08 | 2015-09-08 | Insulating cushion block used for dry transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105097238A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910604A (en) * | 2017-02-17 | 2017-06-30 | 江苏瑞恩电气股份有限公司 | A kind of dry-type transformer cross-over block |
| CN109378196A (en) * | 2018-12-10 | 2019-02-22 | 镇江天力变压器有限公司 | A kind of New insulated cushion block |
-
2015
- 2015-09-08 CN CN201510565160.5A patent/CN105097238A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910604A (en) * | 2017-02-17 | 2017-06-30 | 江苏瑞恩电气股份有限公司 | A kind of dry-type transformer cross-over block |
| CN109378196A (en) * | 2018-12-10 | 2019-02-22 | 镇江天力变压器有限公司 | A kind of New insulated cushion block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |
|
| WD01 | Invention patent application deemed withdrawn after publication |