CN104029319A - Pouring fixture for forming dry type transformer - Google Patents
Pouring fixture for forming dry type transformer Download PDFInfo
- Publication number
- CN104029319A CN104029319A CN201410292278.0A CN201410292278A CN104029319A CN 104029319 A CN104029319 A CN 104029319A CN 201410292278 A CN201410292278 A CN 201410292278A CN 104029319 A CN104029319 A CN 104029319A
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- center
- pull rod
- limit
- crossbeam
- anticreep
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- Housings And Mounting Of Transformers (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a pouring fixture for forming a dry type transformer. The pouring fixture comprises a center pull rod, wherein an external threaded section is arranged at the upper end of the center pull rod. The pouring fixture further comprises a pouring bottom plate, wherein a center through hole through which the center pull rod penetrates is arranged in the center of the pouring bottom plate, the center through hole axially extends along the up-down direction, an anti-release cross beam is arranged at the lower end of the center pull rod, which downwards penetrates out from the center through hole, an anti-release baffling surface used for being matched with the anti-release cross beam of the center pull rod in a baffling manner to prevent the center pull rod from upwards releasing from the center through hole is arranged at the lower part of the pouring bottom plate, and a one-direction rotation-stopping limit structure or a bidirectional rotation-stopping limit structure used for being matched with the anti-release cross beam on the circumferential direction of the center through hole in a rotation-stopping limit manner to limit the rotation of the center pull rod is arranged on the anti-release baffling surface. The center pull rod is upwards tensioned by rotatably arranging a nut so that the center pull rod can be fastened and assembled with the pouring bottom plate; when the maintenance is required to be carried out, the nut is dismantled, and the center pull rod penetrates out from the center through hole.
Description
Technical field
The present invention relates to a kind of dry-type transformer moulding cast frock.
Background technology
At present, the wire wound coil in the high-tension coil of poured with epoxy resin type dry-type transformer be generally flat around, first that winding technique is good, refill mould and pour into a mould, after cast is good, carry out again the suit of winding.Conventional cast frock as Granted publication number be disclosed casting mold in the Chinese utility model patent of CN201859775U, comprise inside and outside mould and be distributed in inside and outside film upper and lower top fixed mount and bottom board for the inside and outside mould that is fixedly clamped, top fixed mount and bottom board are fixedly assembled together by center pull rod and around the uniform limit pull bar of center pull rod external circumferential, and center pull rod and limit pull bar all extend along the vertical direction.By after above-mentioned mold tooling installation, can carry out coiling and the cast of coil.After casting complete, coil is carried out to the demoulding.
But existing bottom board generally adopts the method at base plate center welding silk braid, all tapping of the two ends of center pull rod, when use, are screwed in one end of center pull rod in the silk braid of base plate center to realize the fastening assembling of pull bar and bottom board.But the method for this fastening assembling is in the time of assembly jig, need to be by spanner or other instruments for center pull rod is tightened, and silk braid is easy to occur running due to often stressed, all troubles comparatively of Maintenance and Repair.And due in casting process, center pull rod is very easily stained with resin, if resin flows in silk braid and solidifies along center pull rod, can make center pull rod be difficult to be removed, maintenance trouble.And, because center pull rod is difficult to dismounting, when form removal, often to say that coil fell, because bottom board deadweight causes center pull rod to be bent compared with conference, and then damage center pull rod.
Summary of the invention
The invention provides a kind of dry-type transformer moulding cast frock, the technical problem that while assembling by silk braid and bottom board to solve the center pull rod existing in prior art, Maintenance and Repair comparatively bother.
Dry-type transformer moulding provided by the present invention by the technical scheme of cast frock is: cast frock for dry-type transformer moulding, comprise the center pull rod of extending along the vertical direction, the upper end of center pull rod is provided with external thread section, described cast frock also comprises bottom board, the center position of described bottom board is provided with the central hole of axially extending along the vertical direction of passing for center pull rod, the lower end that center pull rod passes central hole is downwards provided with anticreep crossbeam, the bottom of bottom board is provided with the anticreep stopping surface for coordinate to prevent central hole described in center pull rod prolapse upwards with the anticreep crossbeam block of described center pull rod, anticreep stopping surface is provided with for the week in described central hole upwards coordinating the rotation of center pull rod to be carried out to spacing unidirectional spline position limiting structure or two-way spline position limiting structure with anticreep crossbeam spline is spacing.
Described central hole is slotted hole structure, and the length that the length of central hole is not less than described anticreep crossbeam passes described central hole from top to bottom for the anticreep crossbeam in described center pull rod.
The described middle part of anticreep crossbeam and the bottom of described center pull rod are connected to form inverted T-shaped structure, described anticreep stopping surface is provided with described unidirectional spline position limiting structure, unidirectional spline position limiting structure is two projections laterally of week that are distributed in described central hole, two projections described central hole circumferentially on be positioned at described anticreep crossbeam both sides and respectively with spacing cooperation of both ends block of described anticreep crossbeam.
The center position of described bottom board is provided with center mounting hole, and center mounting hole place is dismantled and assembled is furnished with plugging plate, and described central hole is arranged on the center of described plugging plate, and described anticreep stopping surface is arranged on the lower surface of described plugging plate.
Described cast frock also comprises the limit pull bar that along the vertical direction extend uniform around described center pull rod external circumferential, on bottom board, be provided with the limit of axially extending the along the vertical direction perforation of passing for described limit pull bar, the lower end that limit pull bar passes limit perforation is downwards provided with block crossbeam, the bottom of bottom board has the lower surface for coordinate to prevent limit perforation described in the pull bar prolapse upwards of limit with the block crossbeam block of described limit pull bar, lower surface is provided with upwards carries out spacing unidirectional spline structure or two-way spline structure with spacing cooperation with the rotation of opposite side pull bar of block crossbeam spline for what bore a hole on described limit in week.
Described limit perforation is slotted hole structure, and the length that the length of limit perforation is not less than described block crossbeam passes described limit perforation from top to bottom for the block crossbeam on the pull bar of described limit.
On the lower surface of described bottom board, corresponding each limit pull bar is respectively equipped with described unidirectional spline structure, on the lower surface of described bottom board, corresponding each limit snapping respectively of boring a hole is fixed with notch channel-section steel upward, the both sides cell wall that described unidirectional spline structure is described channel-section steel.
The invention has the beneficial effects as follows: dry-type transformer moulding provided by the present invention fills in use with pourer, bottom board is kept flat, because the lower end of center pull rod is provided with anticreep crossbeam, and on the anticreep stopping surface of bottom board bottom, be provided with for the rotation of center pull rod being carried out to spacing unidirectional spline position limiting structure or two-way, after in center pull rod is penetrated to central hole, upwards strain center pull rod and then can be by center pull rod and the fastening assembling of bottom board by spinning nut on the external thread section to center pull rod upper end, anticreep crossbeam in center pull rod will coordinate to prevent center pull rod prolapse upwards central hole with the anticreep stopping surface block of bottom board bottom, simultaneously, under the effect of unidirectional spline position limiting structure or two-way spline position limiting structure, can improve the efficiency of dismounting nut.In the time needing to be serviced maintenance, the nut dismounting that center pull rod upper end is provided with gets off, then center pull rod is passed by central hole, and Maintenance and Repair are quick and convenient.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of dry-type transformer moulding provided by the present invention cast frock;
Fig. 2 is that the cast frock shown in Fig. 1 is removed the structural representation after inside and outside mould and top fixed mount;
Fig. 3 is the stereogram of bottom board in Fig. 2;
Fig. 4 is the structural representation of the centre bore shrouding on the bottom board shown in Fig. 3.
Detailed description of the invention
As shown in Figures 1 to 4, the embodiment of cast frock for a kind of dry-type transformer moulding, cast frock in this embodiment comprises the die assembly 400 being made up of internal mold and external mold and is distributed in the top fixed mount 500 for the die assembly that is fixedly clamped and the bottom board 1 of die assembly upper and lower, top fixed mount 500 and bottom board 1 are fixedly assembled together by rod assembly 600, rod assembly 600 herein comprises the center pull rod 4 and four the limit pull bars 5 that all extend along the vertical direction, center pull rod 4 in the present embodiment and the top of limit pull bar 5 are respectively equipped with the external thread section for spinning clamp nut.
In the present embodiment, be provided with center mounting hole 11 at the center position of bottom board 1, center mounting hole 11 places are dismantled and assembled is furnished with plugging plate 3, be provided with the central hole 301 of axially extending along the vertical direction of passing for center pull rod 4 at the center position of plugging plate 3, central hole 301 is herein slotted hole structure, the lower end that passes central hole 301 downwards in center pull rod 4 is provided with anticreep crossbeam 401, the bottom of the middle part of anticreep crossbeam 401 and described center pull rod 4 is connected to form inverted T-shaped structure, on the lower surface of plugging plate 3, be provided with the anticreep stopping surface 303 for coordinate to prevent central hole 301 described in center pull rod 4 prolapse upwards with anticreep crossbeam 401 blocks of described center pull rod 4, anticreep stopping surface 303 is provided with for the week in described central hole 301 upwards coordinating the rotation of center pull rod 4 to be carried out to spacing unidirectional spline position limiting structure with anticreep crossbeam 401 splines are spacing, unidirectional spline position limiting structure is herein two projections 302 laterally of week that are distributed in described central hole, two protruding 302 described central hole 301 circumferentially on be positioned at described anticreep crossbeam 401 both sides and respectively with spacing cooperation of both ends block of described anticreep crossbeam 401, when assembling, the center pull rod 4 that is provided with anticreep crossbeam 401 is from top to bottom inserted in central hole 301, the length that is greater than described anticreep crossbeam 401 due to the length of central hole 301 passes described central hole from top to bottom for the anticreep crossbeam in described center pull rod, center of rotation pull bar, anticreep crossbeam 401 staggers with central hole 301, anticreep crossbeam 401 coordinates with anticreep stopping surface 303 blocks on plugging plate 3, simultaneously, the both ends of anticreep crossbeam respectively with two projection blocks spacing coordinate upwards to form in the week in central hole 301 one-directional rotation of anticreep crossbeam 401 and center pull rod 4 spacing.
In the present embodiment, bottom board 1 is provided with the limit of axially extending the along the vertical direction perforation 101 of passing for described limit pull bar 5, the corresponding limit pull bar 5 of each limit perforation 101, the lower end that limit pull bar 5 passes limit perforation is downwards provided with block crossbeam, the bottom of bottom board 1 has the lower surface for coordinate to prevent limit perforation described in the pull bar prolapse upwards of limit with the block crossbeam block of described limit pull bar, lower surface is provided with upwards carries out spacing unidirectional spline structure with spacing cooperation with the rotation of opposite side pull bar of block crossbeam spline for what bore a hole on described limit in week, on the lower surface of bottom board 1, corresponding each limit snapping respectively of boring a hole is fixed with notch channel-section steel 102 upward, the both sides cell wall that described unidirectional spline structure is described channel-section steel 102, when the limit pull bar 5 that is provided with block crossbeam from top to bottom being inserted in limit perforation 101, the length that is greater than described block crossbeam due to the length of limit perforation 101 passes described limit perforation from top to bottom for the block crossbeam on the pull bar of described limit, rotate limit pull bar, block crossbeam and limit perforation 101 are staggered, block crossbeam coordinates with the block anticreep face block on bottom board, simultaneously, the both ends of block crossbeam coordinate to form opposite side pull bar at week rotary spacing upwards with the both sides cell wall block of channel-section steel 102 is spacing respectively.
The cast frock that the present embodiment provides can upright casting frock be watered frock with sleeping, when as upright casting frock, plugging plate 3 is bolted on to center mounting hole 11 places of bottom board 1.When dress mould, by 1 square of bottom board, center pull rod 4 is from top to bottom inserted in central hole 301, by in limit pull bar 5 insertion limit perforation 101 from top to bottom, correspondence die assembly 400 is placed on bottom board 1 again, and top fixed mount 500 is placed on die assembly 400, make center pull rod 4 and Ge Bian pull bar 5 corresponding with the perforation on the fixed mount of top respectively, then to spinning clamp nut on the external thread section of each pull bar, in the time of spinning clamp nut, the anticreep crossbeam 401 of center pull rod 4 lower ends can be spacing by two boss 302, thereby corresponding clamp nut can be tightened, simultaneously, the block crossbeam of limit pull bar 5 lower ends also can be spacing by the both sides cell wall in channel-section steel 102, thereby can say that corresponding clamp nut tightens, thereby die assembly can be compressed.
In the time of form removal, only the clamp nut at center pull rod and pull bar top, limit need to be removed, then center of rotation pull bar and limit pull bar can pull out pull bar easily in the central hole from bottom board and limit perforation, and form removal is convenient, can not damage pull bar.
And conduct is crouched while watering frock use, plugging plate is removed.When dress mould, by bottom board cube, center pull rod passes from the center mounting hole of cast riser.
In above-described embodiment, central hole and limit perforation are slotted hole structure, like this, are not affecting under the prerequisite of bottom board intensity, can make easily anticreep crossbeam and block crossbeam through corresponding perforation by rotating tension bar, are convenient to realize the dismounting of frock.In other embodiments, also perforated design can be become to borehole structure, now, can be from bottom to top to pull bar corresponding to plug-in mounting in perforation, can realize equally the effect of anticreep block.
In above-described embodiment, two projections are set on plugging plate, and to form unidirectional spline position limiting structure spacing center pull rod is carried out to one-directional rotation, is convenient to like this jack panel.In other embodiments, two-way spline position limiting structure also can be set on plugging plate, for example on the lower surface of plugging plate, be provided for the spline groove corresponding with anticreep crossbeam, spline groove and above-mentioned central hole are right-angled intersection and arrange, in the time that anticreep crossbeam is turned in spline groove, can be spacing to the Double-directional rotary of anticreep crossbeam and center pull rod by the realization of spline groove, and in the time that anticreep crossbeam turns to the position corresponding with central hole, center pull rod can be taken out from central hole.Same, lateral bracing strut and limit perforation also can arrange like this.
In above-described embodiment, plugging plate and bottom board are by the removable assembling of bolt, and whole like this cast frock can be served as upright casting frock, also can easily plugging plate be taken off and are changed over and sleepingly water frock, and versatility is stronger.
In above-described embodiment, the length of central hole is greater than the length of anticreep crossbeam, in other embodiments, also can make the length of central hole equal the length of anticreep crossbeam, the length that needs only central hole is not less than the length of anticreep crossbeam and ensures the normal through central hole of anticreep crossbeam.The length relation of the block crossbeam on limit perforation and lateral bracing strut is also like this.
In above-described embodiment, anticreep crossbeam and center pull rod form inverted T-shaped structure, in other embodiments, anticreep crossbeam can be also that end and center pull rod are connected to form L-type structure, now, as long as can ensure the spline of anticreep crossbeam spacing, can be applied in equally cast frock in.
Claims (7)
1. cast frock for dry-type transformer moulding, comprise the center pull rod of extending along the vertical direction, the upper end of center pull rod is provided with external thread section, described cast frock also comprises bottom board, it is characterized in that: the center position of described bottom board is provided with the central hole of axially extending along the vertical direction of passing for center pull rod, the lower end that center pull rod passes central hole is downwards provided with anticreep crossbeam, the bottom of bottom board is provided with the anticreep stopping surface for coordinate to prevent central hole described in center pull rod prolapse upwards with the anticreep crossbeam block of described center pull rod, anticreep stopping surface is provided with for the week in described central hole upwards coordinating the rotation of center pull rod to be carried out to spacing unidirectional spline position limiting structure or two-way spline position limiting structure with anticreep crossbeam spline is spacing.
2. cast frock for dry-type transformer moulding according to claim 1, it is characterized in that: described central hole is slotted hole structure, the length that the length of central hole is not less than described anticreep crossbeam passes described central hole from top to bottom for the anticreep crossbeam in described center pull rod.
3. cast frock for dry-type transformer moulding according to claim 1, it is characterized in that: the described middle part of anticreep crossbeam and the bottom of described center pull rod are connected to form inverted T-shaped structure, described anticreep stopping surface is provided with described unidirectional spline position limiting structure, unidirectional spline position limiting structure is two projections laterally of week that are distributed in described central hole, two projections described central hole circumferentially on be positioned at described anticreep crossbeam both sides and respectively with spacing cooperation of both ends block of described anticreep crossbeam.
4. according to cast frock for the dry-type transformer moulding described in claim 1 or 2 or 3, it is characterized in that: the center position of described bottom board is provided with center mounting hole, center mounting hole place is dismantled and assembled is furnished with plugging plate, described central hole is arranged on the center of described plugging plate, and described anticreep stopping surface is arranged on the lower surface of described plugging plate.
5. according to cast frock for the dry-type transformer moulding described in claim 1 or 2 or 3, it is characterized in that: described cast frock also comprises the limit pull bar that along the vertical direction extend uniform around described center pull rod external circumferential, on bottom board, be provided with the limit of axially extending the along the vertical direction perforation of passing for described limit pull bar, the lower end that limit pull bar passes limit perforation is downwards provided with block crossbeam, the bottom of bottom board has the lower surface for coordinate to prevent limit perforation described in the pull bar prolapse upwards of limit with the block crossbeam block of described limit pull bar, lower surface is provided with upwards carries out spacing unidirectional spline structure or two-way spline structure with spacing cooperation with the rotation of opposite side pull bar of block crossbeam spline for what bore a hole on described limit in week.
6. cast frock for dry-type transformer moulding according to claim 5, it is characterized in that: described limit perforation is slotted hole structure, the length that the length of limit perforation is not less than described block crossbeam passes described limit perforation from top to bottom for the block crossbeam on the pull bar of described limit.
7. cast frock for dry-type transformer moulding according to claim 5, it is characterized in that: on the lower surface of described bottom board, corresponding each limit pull bar is respectively equipped with described unidirectional spline structure, on the lower surface of described bottom board, corresponding each limit snapping respectively of boring a hole is fixed with notch channel-section steel upward, the both sides cell wall that described unidirectional spline structure is described channel-section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292278.0A CN104029319B (en) | 2014-06-26 | 2014-06-26 | Dry-type transformer molding casting tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292278.0A CN104029319B (en) | 2014-06-26 | 2014-06-26 | Dry-type transformer molding casting tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104029319A true CN104029319A (en) | 2014-09-10 |
| CN104029319B CN104029319B (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410292278.0A Active CN104029319B (en) | 2014-06-26 | 2014-06-26 | Dry-type transformer molding casting tooling |
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| CN (1) | CN104029319B (en) |
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| WO2001023167A1 (en) * | 1999-09-27 | 2001-04-05 | Abb Power T & D Company Inc. | Method of manufacturing a transformer coil with a disposable mandrel and mold |
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| CN2778744Y (en) * | 2004-10-19 | 2006-05-10 | 上海环达计算机科技有限公司 | Box hardware with quickly dismantled and installed structure |
| CN201149979Y (en) * | 2008-01-08 | 2008-11-12 | 林亚玲 | Improved structure of cable fastener |
| CN201170878Y (en) * | 2008-03-07 | 2008-12-24 | 佛山市顺德区顺达电脑厂有限公司 | Fixed mechanism of hard disk |
| CN201171487Y (en) * | 2008-03-17 | 2008-12-31 | 邹建国 | Flexible selection type clothes hanging device for chest |
| CN201859775U (en) * | 2010-11-09 | 2011-06-08 | 许继集团有限公司 | Vertical casting mold for layer coil of dry-type transformer |
| CN102862147A (en) * | 2012-09-29 | 2013-01-09 | 上海沪工汽车电器有限公司 | Latch device of workpiece reloading handle |
| CN203500666U (en) * | 2013-08-27 | 2014-03-26 | 中国航空工业集团公司沈阳发动机设计研究所 | Quick opening/closing clamping hoop structure |
| CN203973887U (en) * | 2014-06-26 | 2014-12-03 | 国家电网公司 | Cast frock for a kind of dry-type transformer moulding |
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2014
- 2014-06-26 CN CN201410292278.0A patent/CN104029319B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001023167A1 (en) * | 1999-09-27 | 2001-04-05 | Abb Power T & D Company Inc. | Method of manufacturing a transformer coil with a disposable mandrel and mold |
| CN2639033Y (en) * | 2003-07-04 | 2004-09-08 | 陈沂剩 | Rim wire fixing structure |
| CN2778744Y (en) * | 2004-10-19 | 2006-05-10 | 上海环达计算机科技有限公司 | Box hardware with quickly dismantled and installed structure |
| CN201149979Y (en) * | 2008-01-08 | 2008-11-12 | 林亚玲 | Improved structure of cable fastener |
| CN201170878Y (en) * | 2008-03-07 | 2008-12-24 | 佛山市顺德区顺达电脑厂有限公司 | Fixed mechanism of hard disk |
| CN201171487Y (en) * | 2008-03-17 | 2008-12-31 | 邹建国 | Flexible selection type clothes hanging device for chest |
| CN201859775U (en) * | 2010-11-09 | 2011-06-08 | 许继集团有限公司 | Vertical casting mold for layer coil of dry-type transformer |
| CN102862147A (en) * | 2012-09-29 | 2013-01-09 | 上海沪工汽车电器有限公司 | Latch device of workpiece reloading handle |
| CN203500666U (en) * | 2013-08-27 | 2014-03-26 | 中国航空工业集团公司沈阳发动机设计研究所 | Quick opening/closing clamping hoop structure |
| CN203973887U (en) * | 2014-06-26 | 2014-12-03 | 国家电网公司 | Cast frock for a kind of dry-type transformer moulding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104029319B (en) | 2018-11-20 |
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