CN217521839U - Dry-type high-voltage coil air duct rod position fixing plate - Google Patents
Dry-type high-voltage coil air duct rod position fixing plate Download PDFInfo
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- CN217521839U CN217521839U CN202221252717.1U CN202221252717U CN217521839U CN 217521839 U CN217521839 U CN 217521839U CN 202221252717 U CN202221252717 U CN 202221252717U CN 217521839 U CN217521839 U CN 217521839U
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Abstract
The utility model discloses a do uprise pressure coil air flue stick position fixing plate, including an upper fixed plate and bottom plate, encircle the outer edge of an upper fixed plate and bottom plate is equipped with the external mold, corresponds interior edge of an upper fixed plate and bottom plate is equipped with the centre form, an upper fixed plate with the both sides of bottom plate all are equipped with closing device, an upper fixed plate's terminal surface, be close to the position interval on the outer edge of an upper fixed plate is equipped with the locating hole, the terminal surface of bottom plate, be close to the position interval on the outer edge of a bottom plate is equipped with positioning groove, the bottom plate corresponds the bottom of centre form is equipped with first fixing device, an upper fixed plate corresponds the top of centre form is equipped with second fixing device, the beneficial effects of the utility model are that: the effect of positioning the air channel rod is achieved, and the phenomenon that the cast coil is in a horn shape and the safety performance is influenced due to the fact that the outer die is inclined or deformed is avoided.
Description
Technical Field
The utility model relates to a dry-type transformer technical field, concretely relates to do and become excellent position fixing plate of high voltage coil air flue.
Background
The epoxy resin cast dry transformer is a transformer with a high-strength glass fiber reinforced plastic structure, which is formed by using epoxy resin as an insulating material and casting and curing high-voltage and low-voltage windings in a vacuum environment. The air duct is required to be arranged on a high-capacity product to strengthen the heat dissipation of the dry-type transformer, the temperature rise and the appearance quality of the product are directly determined by the arrangement of the air duct rods, and the air duct has an important effect on the dry-type transformer.
In order to guarantee the heat dissipation area of the high-voltage coil, the temperature rise of the coil can not exceed the national standard, one or more layers of air passage rods are required to be placed between layers in the winding process of the high-voltage coil, the air passage rods are usually placed at approximate intervals of hands when the coil is wound, and then the air passage rods are fixed in a cloth tape binding mode and the like.
Another commonly adopted in the industry at the present stage is that I-shaped supporting strips are arranged at intervals, an upper air passage rod positioning plate and a lower air passage rod positioning plate are not arranged during winding, the air passage rods are arranged at intervals by adopting the I-shaped supporting strips, the appearance quality is poor, the outer diameter of a coil easily exceeds a designed value, grids are leaked on the casting surface, and the appearance quality defect is caused; moreover, there are drawbacks in the whole casting process: operation difficulty and air flue location are inaccurate, owing to do not use dedicated air flue locating plate, when placing the air flue stick, need operating personnel to place the position to the air flue and calibrate to still need the excellent quantity of air flue of number of inserting wantonly, increased the operation degree of difficulty, and owing to do not have dedicated air flue locating plate, make the air flue stick to take place the displacement and lead to the coil product air flue location of pouring out to take place the skew easily when the pouring.
SUMMERY OF THE UTILITY MODEL
To the technical defect who exists among the background art, the utility model provides a do and become excellent position fixing plate of high pressure coil air flue has solved above-mentioned technical problem and has satisfied the actual demand, and concrete technical scheme is as follows:
the utility model provides a do uprise pressure coil air flue stick position fixing plate, includes upper fixed plate and bottom plate, encircles the outer edge of upper fixed plate and bottom plate is equipped with the external mold, corresponds the interior edge of upper fixed plate and bottom plate is equipped with the centre form, the upper fixed plate with the both sides of bottom plate all are equipped with closing device, the terminal surface of upper fixed plate, be close to the position interval on the outer edge of upper fixed plate is equipped with the locating hole, the terminal surface of bottom plate, be close to the position interval on the outer edge of bottom plate is equipped with positioning groove, the bottom plate corresponds the bottom of centre form is equipped with first fixing device, the upper fixed plate corresponds the top of centre form is equipped with second fixing device.
As an improvement of the above scheme, clamping devices are arranged on two sides of the outer die in the length direction and comprise clamping blocks and clamping arms, one end of each clamping arm abuts against one edge of one side of the outer die, and a screwing handle is arranged on the other side of each clamping arm and connected with the clamping blocks to abut against the edge of the other side of the outer die.
As an improvement of the above scheme, the pressing device includes a fixing rod and a pressing arm, the pressing arm includes an upper pressing arm and a lower pressing arm, the upper pressing arm is placed along the width direction of the upper fixing plate, and the lower pressing arm is placed along the width of the lower fixing plate.
As an improvement of the scheme, a through hole is formed in the end face of the upper pressing arm corresponding to the positioning hole, and the two ends of the upper pressing arm and the two ends of the lower pressing arm are fixedly connected through the fixing rod in a penetrating mode and through screw locking.
As an improvement of the above scheme, resin addition holes are formed in both sides of the end surface of the upper fixing plate in the width direction, and the resin addition holes are formed between the inner die and the positioning holes.
As an improvement of the above scheme, the first fixing device includes two first connecting rods arranged along the width direction of the inner edge of the upper fixing plate, and first fixing screw holes are formed in end faces of the first connecting rods.
As an improvement of the above scheme, the second fixing device includes two second connecting rods arranged along the width direction of the inner edge of the lower fixing plate, and second fixing screw holes are formed in the end faces of the second connecting rods.
The utility model has the advantages of that:
(1) the air flue bar fixing plate of the dry high-voltage coil mainly comprises an upper fixing plate and a lower fixing plate, the upper fixing plate and the lower fixing plate are both annular, the size of an inner ring is consistent with that of a high-voltage winding mold, the upper fixing plate and the lower fixing plate can be directly sleeved at the upper end and the lower end of the high-voltage winding mold and are fixed on the high-voltage winding mold, namely an inner mold through screws, the size of the outer ring of the upper fixing plate and the size of the outer ring of the lower fixing plate are consistent with that of a high-voltage casting outer mold, the casting outer mold can be sleeved on the outer side of the fixing plate after winding is finished, the outer mold is fixed through the clamping device and the pressing device, the upper and lower parallelism of the outer mold is guaranteed, and the phenomenon that a cast coil is in a horn shape due to deflection or deformation of the outer mold and the safety performance is influenced is avoided;
(2) the air passage rod can be directly inserted into the lower fixing plate through the positioning hole reserved on the upper fixing plate, the lower fixing plate is also reserved with a positioning groove, and the air passage rod penetrates through the upper fixing plate and then is inserted into the positioning groove of the lower fixing plate, so that the function of positioning the air passage rod is achieved;
(3) the upper fixing plate is provided with the resin adding holes in addition to the positioning holes, the high-pressure casting external mold is mounted, and after the whole die is heated and dried, the whole die can be hung in a vacuum casting tank for resin casting without dismantling the upper fixing plate for resin casting.
Drawings
Fig. 1 is a schematic view of the top view structure of the present invention.
Fig. 2 is a schematic view of the bottom structure of the present invention.
Fig. 3 is a schematic front structural view of the present invention.
Fig. 4 is a schematic view of an end face structure of the upper fixing plate of the present invention.
Fig. 5 is a schematic end face structure view of the lower fixing plate of the present invention.
Fig. 6 is an enlarged schematic view of a portion a of fig. 1.
Wherein: the device comprises an upper fixing plate 1, a positioning hole 101, a resin adding hole 102, a lower fixing plate 2, a positioning groove 201, an outer die 3, an inner die 4, a pressing device 5, a fixing rod 501, a pressing arm 502, an upper pressing arm 503, a lower pressing arm 504, a through hole 505, a first fixing device 6, a first connecting rod 601, a first fixing screw hole 602, a second fixing device 7, a second connecting rod 701, a second fixing screw hole 702, a clamping device 8, a clamping block 801, a clamping arm 802 and a screwing handle 803.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.
The utility model provides a do high pressure coil air flue stick position fixing plate, includes upper fixed plate 1 and bottom plate 2, encircles upper fixed plate 1 and bottom plate 2 outer along being equipped with external mold 3, correspond upper fixed plate 1 and bottom plate 2 interior along being equipped with centre form 4, upper fixed plate 1 with the both sides of bottom plate 2 all are equipped with closing device 5, the terminal surface of upper fixed plate 1, be close to the position interval on 1 outer edge of upper fixed plate is equipped with locating hole 101, the terminal surface of bottom plate 2, be close to the position interval on 2 outer edges of bottom plate is equipped with positioning groove 201, bottom plate 2 corresponds the bottom of centre form is equipped with first fixing device 6, upper fixed plate 1 corresponds the top of centre form is equipped with second fixing device 7.
Further, in the above scheme, two sides of the outer die 3 in the length direction are provided with clamping devices 8, each clamping device 8 includes a clamping block 801 and a clamping arm 802, one end of each clamping arm 802 abuts against one side edge of the outer die 3, and the other side of each clamping arm 802 is provided with a screwing handle 803 to connect the clamping block 801 to abut against the other side edge of the outer die 3.
Further, in the above solution, the pressing device 5 includes a fixing rod 501 and a pressing arm 502, the pressing arm 502 includes an upper pressing arm 503 and a lower pressing arm 504, the upper pressing arm 503 is disposed along the width direction of the upper fixing plate 1, and the lower pressing arm 504 is disposed along the width direction of the lower fixing plate 2.
Further, in the above solution, a through hole 505 is provided at a position corresponding to the positioning hole 101 on an end surface of the upper pressing arm 503, and both ends of the upper pressing arm 503 and the lower pressing arm 504 are fixedly connected by penetrating the fixing rod 501 and locking with screws.
Further, in the above solution, resin adding holes 102 are provided on both sides of the end surface of the upper fixing plate 1 in the width direction, and the resin adding holes 102 are provided between the inner die 4 and the positioning hole 101.
Further, in the above solution, the first fixing device 6 includes two first connecting rods 601 arranged along the width direction of the inner edge of the upper fixing plate 1, and a first fixing screw hole 602 is arranged on an end surface of each first connecting rod 601.
Further, in the above scheme, the second fixing device 7 includes two second connecting rods 701 arranged along the width direction of the inner edge of the lower fixing plate 2, and the end face of each second connecting rod 701 is provided with a second fixing screw hole 702.
The utility model is structurally characterized in that the air flue bar fixing plate of the dry-high pressure coil mainly comprises an upper fixing plate 1 and a lower fixing plate 2, the sizes of the upper fixing plate 1 and the lower fixing plate 2 are both annular, an outer mold 3 is arranged around the outer edges of the upper fixing plate 1 and the lower fixing plate 2, an inner mold 4 is arranged corresponding to the inner edges of the upper fixing plate 1 and the lower fixing plate 2, the inner edges of the upper fixing plate 1 and the lower fixing plate 2 are consistent with the size of the inner mold 4, can be directly sleeved at the upper end and the lower end of the inner mold 4 and is fixed on the inner mold 4 through screws, the outer ring sizes of the upper fixing plate 1 and the lower fixing plate 2 are consistent with the size of the outer mold 3, the pouring outer mold 3 can be sleeved at the outer sides of the upper fixing plate 1 and the lower fixing plate 2 after winding is finished, and the upper and lower parallelism of the outer mold 3 is ensured through the fixing of a clamping device 8 and a pressing device 5, the phenomenon that the safety performance is influenced because the cast coil is in a horn shape due to the deflection or deformation of the outer die 3 is avoided.
It should be noted that, the two sides of the upper fixing plate 1 and the lower fixing plate 2 are both provided with a pressing device 5, the pressing device 5 comprises a fixing rod 501 and a pressing arm 502, the pressing arm 502 comprises an upper pressing arm 503 and a lower pressing arm 504, the upper pressing arm 503 is disposed along the width direction of the upper fixing plate 1, the lower pressing arm 504 is disposed along the width direction of the lower fixing plate 2, the two ends of the upper pressing arm 503 and the lower pressing arm 504 are fixedly connected by penetrating the fixing rod 501 and locking with screws, the screws on the fixing rods 501 are screwed and locked, so that the upper pressing arm 503 and the lower pressing arm 504 press the upper fixing plate 1 and the lower fixing plate 2, the outer die 3 is guaranteed to be parallel up and down, and the phenomenon that the poured coil is horn-shaped due to deflection or deformation of the outer die 3, and the safety performance is affected is avoided.
It should be noted that, the end surface of the upper fixing plate 1 and the position close to the outer edge of the upper fixing plate 1 are provided with positioning holes 101 at intervals, the end surface of the lower fixing plate 2 and the position close to the outer edge of the lower fixing plate 2 are provided with positioning grooves 201 at intervals, the air channel rod can be directly inserted from the upper fixing plate 1 to the lower fixing plate 2 through the positioning holes 101, the lower fixing plate 2 is also provided with the positioning grooves 201, the positioning grooves 201 correspond to the positioning holes 101 in position, and the air channel rod penetrates through the upper fixing plate 1 and then is inserted into the positioning grooves 201 of the lower fixing plate 2, so that the function of positioning the air channel rod is achieved.
It should be noted that, resin adding holes 102 are provided on two sides of the end surface of the upper fixing plate 1 in the width direction, the resin adding holes 102 are provided between the inner mold 4 and the positioning holes 101, after the high-pressure casting outer mold 3 is mounted, and the whole mold is heated and dried, the whole mold can be hung in a vacuum casting tank for resin casting, and the upper fixing plate 1 does not need to be removed for resin casting.
It should be noted that, first fixing device 6 includes the edge the width direction of edge sets up in the upper fixed plate 1 connects pole 601, the quantity of first pole 601 is two, be equipped with first fixed screw 602 on the terminal surface of first pole 601, second fixing device 7 includes the edge the width direction of edge sets up in the lower fixed plate 2 connects pole 701, the quantity of second connecting pole 701 is two, be equipped with the fixed screw 702 of second on the terminal surface of second connecting pole 701, first fixed screw 602 with the fixed screw 702 of second is used for fixed connection the centre form, just first fixed screw 602 with the fixed screw 702 of second is concave screw hole, and screw tip protrusion in the surface of fixed plate behind the installation screw.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A position fixing plate for an air flue rod of a dry-type high-voltage coil comprises an upper fixing plate (1) and a lower fixing plate (2), it is characterized in that an outer die (3) is arranged around the outer edges of the upper fixing plate (1) and the lower fixing plate (2), an inner mold (4) is arranged corresponding to the inner edges of the upper fixing plate (1) and the lower fixing plate (2), two sides of the upper fixing plate (1) and the lower fixing plate (2) are respectively provided with a pressing device (5), the end surface of the upper fixing plate (1) and the position close to the outer edge of the upper fixing plate (1) are provided with positioning holes (101) at intervals, positioning grooves (201) are arranged on the end surface of the lower fixing plate (2) at intervals and close to the outer edge of the lower fixing plate (2), the lower fixing plate (2) is provided with a first fixing device (6) corresponding to the bottom end of the inner die, and a second fixing device (7) is arranged at the top end of the upper fixing plate (1) corresponding to the inner die.
2. The air duct rod position fixing plate for the dry-type high-voltage coil is characterized in that clamping devices (8) are arranged on two sides of the outer die (3) in the length direction, each clamping device (8) comprises a clamping block (801) and a clamping arm (802), one end of each clamping arm (802) abuts against one side edge of the outer die (3), and a screwing handle (803) is arranged on the other side of each clamping arm (802) and connected with the clamping block (801) to abut against the other side edge of the outer die (3).
3. The dry high voltage coil airway rod position fixing plate according to claim 1, wherein the pressing device (5) comprises a fixing rod (501) and a pressing arm (502), the pressing arm (502) comprises an upper pressing arm (503) and a lower pressing arm (504), the upper pressing arm (503) is placed along the width direction of the upper fixing plate (1), and the lower pressing arm (504) is placed along the width direction of the lower fixing plate (2).
4. The air duct rod position fixing plate for the dry high-voltage coil as claimed in claim 3, wherein a through hole (505) is formed in the position, corresponding to the positioning hole (101), of the end surface of the upper pressing arm (503), and both ends of the upper pressing arm (503) and the lower pressing arm (504) are fixedly connected through penetrating the fixing rod (501) and locking through a screw.
5. The dry high voltage coil air duct bar position fixing plate according to claim 1, wherein resin adding holes (102) are formed in two sides of the width direction of the end face of the upper fixing plate (1), and the resin adding holes (102) are formed between the inner die (4) and the positioning holes (101).
6. The dry high-voltage coil airway rod position fixing plate according to claim 1, wherein the first fixing device (6) comprises first connecting rods (601) arranged along the width direction of the inner edge of the upper fixing plate (1), the number of the first connecting rods (601) is two, and first fixing screw holes (602) are formed in the end faces of the first connecting rods (601).
7. The dry high voltage coil air duct rod position fixing plate as claimed in claim 1, wherein the second fixing device (7) comprises second connecting rods (701) arranged along the width direction of the inner edge of the lower fixing plate (2), the number of the second connecting rods (701) is two, and second fixing screw holes (702) are arranged on the end faces of the second connecting rods (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252717.1U CN217521839U (en) | 2022-05-24 | 2022-05-24 | Dry-type high-voltage coil air duct rod position fixing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252717.1U CN217521839U (en) | 2022-05-24 | 2022-05-24 | Dry-type high-voltage coil air duct rod position fixing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521839U true CN217521839U (en) | 2022-09-30 |
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ID=83389387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221252717.1U Active CN217521839U (en) | 2022-05-24 | 2022-05-24 | Dry-type high-voltage coil air duct rod position fixing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521839U (en) |
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2022
- 2022-05-24 CN CN202221252717.1U patent/CN217521839U/en active Active
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