CN205178797U - Turbo generator stator coil evolvent tip shaping frock - Google Patents
Turbo generator stator coil evolvent tip shaping frock Download PDFInfo
- Publication number
- CN205178797U CN205178797U CN201520866313.5U CN201520866313U CN205178797U CN 205178797 U CN205178797 U CN 205178797U CN 201520866313 U CN201520866313 U CN 201520866313U CN 205178797 U CN205178797 U CN 205178797U
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- stator coil
- steam turbine
- generator stator
- turbine generator
- involute
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Abstract
The utility model discloses a turbo generator stator coil evolvent tip shaping frock, including formed steel base, two the local frustums of a cone, the turbo generator stator coil straight line positioning and clamping device of portion and evolvent tip positioning and clamping device, the positioning and clamping device of turbo generator stator coil straight line portion sets up on the horizontal gird, and evolvent tip positioning and clamping device sets up at local frustum of a cone upside. The utility model discloses the die mould size is accurate, has improved work efficiency, has reduced manufacturing cost, has solved the accurate positioning and the shaping problem of stator coil evolvent tip on the circular conical surface, has improved stator coil's workmanship.
Description
Technical field
The utility model relates to a kind of fabricating tools of electricity generator stator coil, particularly a kind of fabricating tools of steam turbine generator stator coil, belongs to motor coil field shaping technique.
Background technology
Steam turbine generator stator coil 100 as shown in Figure 1, comprise the steam turbine generator stator coil line part 101 at middle part and the steam turbine generator stator coil involute end 102 at two ends, wherein, splayed is converted into outside the termination of the steam turbine generator stator coil involute end 102 at two ends.This coil is divided into the upper and lower, and involute end 102 horizontally-inclined at steam turbine generator stator coil two ends is on taper seat, complex-shaped.Involute is the rule isometric space curve on a taper seat, this taper seat is launched, the trend of end winding is an involute of circle, which ensures the determining deviation between the rising of steam turbine generator stator coil end, pitch pattern end coil adjacent with two.Steam turbine generator stator coil involute end 102 is located and difficult forming.
Adopt existing steam turbine generator stator coil involute end fabricating tools shaping involute end assembling time levels and head connect difficulty, need scene to repair the involute end of steam turbine generator stator coil and the bending angle of termination, just can make levels and head wiring.Its fabricating tools is difficult to processing, the involute end of steam turbine generator stator coil is difficult to the angle and the shape that reach designing requirement, time shaping, the insulating barrier of the line part of steam turbine generator stator coil and the junction of involute end easily breaks, and involute end is difficult to be attached to completely on taper seat shaping.
Utility model content
The purpose of this utility model is to provide a kind of steam turbine generator stator coil involute end forming frock, and improve forming frock precision, involute end is after forming frock swaging, and shape and size all can reach designing requirement.
The utility model is promoted by the following technical programs:
A kind of steam turbine generator stator coil involute end forming frock, comprise formed steel base, symmetry be fixed on two partial circle frustums on formed steel base two ends, the steam turbine generator stator coil line part positioning clamping device between two partial circle frustums and the steam turbine generator stator coil involute end positioning clamping device that lays respectively on partial circle frustum, the small end of described two partial circle frustums is oppositely arranged, and horizontal gird two ends are fixedly connected with corresponding partial circle frustum small end taper seat respectively, steam turbine generator stator coil line part positioning clamping device is arranged on horizontal gird, steam turbine generator stator coil line part positioning clamping device and steam turbine generator stator coil involute end positioning clamping device include multiple clamping support, steam turbine generator stator coil line part positioning clamping device also comprises line part positioning strip, straight line fastening strip and linear vertical compression bar, line part positioning strip is fixed on the upside of horizontal gird, several clamping support is across line part positioning strip, steam turbine generator stator coil line part, straight line fastening strip and linear vertical compression bar, be vertically fixed on respectively on the upside of horizontal gird, steam turbine generator stator coil line part is between line part positioning strip and straight line fastening strip, linear vertical compression bar is positioned on the upside of steam turbine generator stator coil line part, and several clamping support top and side promote straight line fastening strip respectively by trip bolt and linear vertical compression bar clamps steam turbine generator stator coil line part location, steam turbine generator stator coil involute end positioning clamping device also comprises involute positioning strip, involute fastening strip, the vertical compression bar of involute and end locating piece, involute positioning strip and end locating piece are vertically fixed on the upside of partial circle frustum according to the trend in steam turbine generator stator coil involute portion respectively, wherein, end locating piece is positioned at outside the afterbody of involute fastening strip, on steam turbine generator stator coil involute end, spaced several clamping support is across involute positioning strip, steam turbine generator stator coil involute end, involute fastening strip compression bar vertical with involute, is vertically fixed on the upside of partial circle frustum respectively, steam turbine generator stator coil involute end is between involute positioning strip and involute fastening strip, the vertical compression bar of involute is positioned on the upside of steam turbine generator stator coil involute end, and it is shaping to the clamping of steam turbine generator stator coil involute end that the clamping support top on involute end, steam turbine generator stator coil two ends and side promote involute fastening strip compression bar vertical with involute respectively by trip bolt.
The purpose of this utility model can also be promoted further by following technical measures.
Aforesaid steam turbine generator stator coil involute end forming frock, wherein said involute shape positioning strip medial surface, involute fastening strip lateral surface coincide with the shape of longitudinal direction two sides, steam turbine generator stator coil involute end respectively.
Aforesaid steam turbine generator stator coil involute end forming frock, wherein said formed steel base comprises two longitudinal shaped steel and several cross struts, and two longitudinal shaped steel are fixedly connected with several spaced cross struts.Described cross struts is the structure of middle polished rod and tap bolt, the junction of intermediate light rod end surface and threaded rod the inner is provided with the ring surface that formed steel base width is located, and is fixedly connected into rectangular frame after the threaded rod at cross struts two ends passes corresponding longitudinal shaped steel respectively by nut and longitudinal shaped steel.
Aforesaid steam turbine generator stator coil involute end forming frock, its medial end portions locating piece is separately fixed on the taper seat of partial circle frustum outside bending termination, steam turbine generator stator coil involute end.
Aforesaid steam turbine generator stator coil involute end forming frock, wherein horizontal gird termination draft angle and the partial circle frustum half-angle of projection match, horizontal gird is respectively equipped with vertical center web on the downside of two ends, and horizontal gird two ends are fixedly connected with corresponding partial circle frustum small end end face top respectively by vertical center web.
Aforesaid steam turbine generator stator coil involute end forming frock, is wherein supported on formed steel base by the vertical support bar of several adjustment height in the middle part of horizontal gird.Described vertical support bar comprises top bar and lower support cylinder, and described top bar lower end is connected with lower support cylinder threaded upper ends, and the top of upper top bar is supported on the downside of horizontal gird, is fixed on formed steel base bottom lower support cylinder.
Aforesaid steam turbine generator stator coil involute end forming frock, wherein said clamping support is in shaped door, comprise two vertical posts and a cross tube, cross tube two ends are hinged by connecting pin with vertical posts upper end respectively, and housing screw is vertical with cross tube with vertical posts to be respectively connected; Housing screw termination on multiple clamping support promotes corresponding fastening strip and compression bar, is resisted against on the steam turbine generator stator coil involute end at steam turbine generator stator coil line part or two ends.
Forming frock of the present utility model first can clamp the line part in the middle part of the steam turbine generator stator coil blank of pre-bending, then compressing to steam turbine generator stator coil involute end with clamping support, involute end shape after die mould and size accurate, do not need to repair the bending angle of involute end and termination at the scene, levels head easy-to-connect.Operator is easy to reach qualification at short notice, effectively improves operating efficiency, reduces production cost.Solve accurate location and the formation problems of the steam turbine generator stator coil involute end on taper seat, steam turbine generator stator coil can be embedded in stator of steam turbine generator groove easily, improve the workmanship of steam turbine generator stator coil.
Advantage and disadvantage of the present utility model, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the stereogram of steam turbine generator stator coil;
Fig. 2 is the front view of steam turbine generator stator coil involute end forming frock;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is that the A of Fig. 2 is to zoomed-in view;
Fig. 5 is the enlarged left view of Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 2 to 4, the steam turbine generator stator coil blank of the present embodiment is formed by the flat type copper wire mounted on top of 6 4.5mm × 12.5mm, steam turbine generator stator coil involute end forming frock comprises formed steel base 1, two 1/4 frustums of a cone 2, steam turbine generator stator coil line part positioning clamping device 3 and the steam turbine generator stator coil involute end positioning clamping device 4 laying respectively at 1/4 frustum of a cone 2 between two 1/4 frustums of a cone 2, formed steel base 1 comprises two longitudinal channel-section steels 11 and 9 cross struts 12, cross struts 12 is the structure of middle polished rod and tap bolt, the junction of intermediate light rod end surface and threaded rod the inner is provided with the ring surface 111 that formed steel base 1 width is located, rectangular frame is fixedly connected into by nut 13 and longitudinal channel-section steel 11 after the threaded rod at cross struts 12 two ends passes corresponding longitudinal channel-section steel 11 respectively.Ensure that the width requirement of formed steel base 1.
Two 1/4 frustum of a cone 2 small ends are relative, are fixed on formed steel base 1 two ends by base plate 22 symmetry under it.The semicircle cone angle of 1/4 frustum of a cone 2 is 30 °, and horizontal gird 5 two ends are fixedly connected with the taper seat 21 of the 1/4 corresponding frustum of a cone respectively.Horizontal gird 5 termination draft angle and partial circle frustum half-angle of projection α match, horizontal gird 5 is respectively equipped with vertical center web 51 on the downside of two ends, as shown in Figure 4, vertical center web 51 is provided with kidney slot 511, for the position of up-down adjustment horizontal gird 5, be convenient to assembling, horizontal gird 5 two ends are fixedly connected with the 1/4 corresponding frustum of a cone 2 small end end face top respectively by vertical center web 51.Be supported on formed steel base 1 by the vertical support bar 6 of 2 adjustment heights in the middle part of horizontal gird 5, vertical support bar 6 comprises top bar 61 and lower support cylinder 62, upper top bar 61 lower end is connected with lower support cylinder 62 threaded upper ends, upper the top of top bar 61 is supported on the downside of horizontal gird 5, and lower support cylinder 62 bottom welding is fixed on formed steel base 1.In rotation, top bar 61, can regulate the length of vertical support bar 6, thus can regulate the levelness of horizontal gird 5.
Steam turbine generator stator coil line part positioning clamping device 3 is arranged on horizontal gird 5, steam turbine generator stator coil line part positioning clamping device 3 and steam turbine generator stator coil involute end positioning clamping device 4 include multiple clamping support 7, steam turbine generator stator coil line part positioning clamping device 3 also comprises line part positioning strip 31, straight line fastening strip 32 and linear vertical compression bar 33, line part positioning strip 31 is weldingly fixed on the upside of horizontal gird 3, its interval, rear portion is welded with 4 reinforcement blocks 311, to improve the intensity of line part positioning strip 31.
On the line part 101 of steam turbine generator stator coil, interval is provided with 4 clamping supports 7,4 clamping supports 7, across line part positioning strip 31, steam turbine generator stator coil line part 101, straight line fastening strip 32 and linear vertical compression bar 33, are vertically fixed on the upside of horizontal gird 3 respectively.Steam turbine generator stator coil line part 101 is between line part positioning strip 31 and straight line fastening strip 32, linear vertical compression bar 33 is positioned on the upside of steam turbine generator stator coil line part 101, and clamping support 7 top and side promote the location clamping of straight line fastening strip 32 and linear vertical compression bar 33 pairs of steam turbine generator stator coil line parts 101 respectively by housing screw 74.
Steam turbine generator stator coil involute end positioning clamping device 4 also comprises involute positioning strip 41, involute fastening strip 42, the vertical compression bar 43 of involute and end locating piece 44, involute positioning strip 41 and end locating piece 44 are vertically fixed on the upside of 1/4 frustum of a cone 2 according to the trend in steam turbine generator stator coil involute portion 102 respectively, wherein, involute positioning strip 41 is weldingly fixed on 1/4 taper seat 21, the end locating piece 44 being positioned at the afterbody in steam turbine generator stator coil involute portion 102 is screwed on 1/4 taper seat 21, after steam turbine generator stator coil 100 is shaping, end locating piece 44 must be pulled down, steam turbine generator stator coil 100 could be taken out.
On steam turbine generator stator coil involute end 102, spaced 4 clamping supports 7 are across involute positioning strip 41, steam turbine generator stator coil involute end 102, involute fastening strip 42 compression bar 43 vertical with involute, are vertically fixed on respectively on the upside of 1/4 frustum of a cone 2.Steam turbine generator stator coil involute end 102 is between involute positioning strip 41 and involute fastening strip 42, the vertical compression bar 43 of involute is positioned on the upside of steam turbine generator stator coil involute end 102, and the clamping support 6 on involute end, steam turbine generator stator coil two ends 102 promotes involute fastening strip 42 compression bar vertical with involute 43 pairs of steam turbine generator stator coil involute ends 102 respectively by housing screw 74 and clamps shaping.
As shown in Figure 5, clamping support 7 is in shaped door, comprise two vertical posts 71 and a cross tube 72, cross tube 71 two ends are hinged by connecting pin 73 with vertical posts 72 upper end respectively, and housing screw 74 to be vertically connected respectively with in the middle part of the vertical posts 72 in left side with in the middle part of cross tube 71.Housing screw 74 termination on multiple clamping support 7 promotes corresponding fastening strip and compression bar, is resisted against on the turbine generator stator coil involute end 102 at steam turbine generator stator coil line part 101 or two ends.
Adopt the forming process of forming frock of the present utility model to steam turbine generator stator coil as follows:
1) according to the expansion length of steam turbine generator stator coil to flat type copper wire blanking, then after coated with cloth interval after 6 layers of flat type copper wire alignment and congruence, tighten into steam turbine generator stator coil blank.
2) on steam turbine generator stator coil blank, bending start line is marked according to the initiating terminal of steam turbine generator stator coil involute, with die for fisrt forming from bending start line pre-bending steam turbine generator stator coil blank two ends, tentatively curved go out the shape of steam turbine generator stator coil involute end.
3) cross tube 71 on the upside of each clamping support 7 is opened, the line part of steam turbine generator stator coil blank good for pre-bending is stuck between line part positioning strip 31 and straight line fastening strip 32, and then on the upside of line part linear vertical compression bar being pressed in steam turbine generator stator coil blank.Close the cross tube 71 on the upside of clamping support, to tighten respectively on cross tube 71 and housing screw 74 in a vertical posts 72, multiple housing screw 74 termination promotes from horizontal and vertical directions the line part that line part positioning strip 31 and vertical compression bar 32 compress steam turbine generator stator coil blank.
4) warm 1/4 frustum of a cone 2, warm temperature 150 DEG C, the time of warming is 40 minutes, reduces flexural deformation drag, stablizes the shape in steam turbine generator stator coil involute portion and make its solid, Reducing distortion rebound amount.Then the involute end of steam turbine generator stator coil blank is stuck between involute positioning strip 41 and involute fastening strip 42, then by vertical for involute compression bar 43 on the upside of the involute end of steam turbine generator stator coil blank.Close the cross tube 71 on the upside of clamping support 7, tighten the housing screw 74 in cross tube 71 and a vertical posts 72 respectively, multiple housing screw 74 termination promotes involute end 102 brake forming of involute fastening strip 42 compression bar vertical with involute 43 pairs of steam turbine generator stator coils from mutually perpendicular both direction.
5) respectively by steam turbine generator stator coil involute portion 102 termination excurvation, it is made to be resisted against on end locating piece 44.
6) multiple housing screw 74 keeps impaction state after 30 minutes, opens the cross tube 71 on the upside of each clamping support 7, pulls down end locating piece 44, just can take out shaping steam turbine generator stator coil.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (9)
1. a steam turbine generator stator coil involute end forming frock, it is characterized in that: comprise formed steel base, symmetry is fixed on two partial circle frustums on formed steel base two ends, the steam turbine generator stator coil line part positioning clamping device between two partial circle frustums and the steam turbine generator stator coil involute end positioning clamping device that lays respectively on partial circle frustum, the small end of described two partial circle frustums is oppositely arranged, and horizontal gird two ends are fixedly connected with corresponding partial circle frustum small end taper seat respectively, steam turbine generator stator coil line part positioning clamping device is arranged on horizontal gird, steam turbine generator stator coil line part positioning clamping device and steam turbine generator stator coil involute end positioning clamping device include multiple clamping support, steam turbine generator stator coil line part positioning clamping device also comprises line part positioning strip, straight line fastening strip and linear vertical compression bar, line part positioning strip is fixed on the upside of horizontal gird, several clamping support is across line part positioning strip, steam turbine generator stator coil line part, straight line fastening strip and linear vertical compression bar, be vertically fixed on respectively on the upside of horizontal gird, steam turbine generator stator coil line part is between line part positioning strip and straight line fastening strip, linear vertical compression bar is positioned on the upside of steam turbine generator stator coil line part, and several clamping support top and side promote straight line fastening strip respectively by trip bolt and linear vertical compression bar clamps steam turbine generator stator coil line part location, steam turbine generator stator coil involute end positioning clamping device also comprises involute positioning strip, involute fastening strip, the vertical compression bar of involute and end locating piece, involute positioning strip and end locating piece are vertically fixed on the upside of partial circle frustum according to the trend in steam turbine generator stator coil involute portion respectively, wherein, end locating piece is positioned at outside the afterbody of involute fastening strip, on steam turbine generator stator coil involute end, spaced several clamping support is across involute positioning strip, steam turbine generator stator coil involute end, involute fastening strip compression bar vertical with involute, is vertically fixed on the upside of partial circle frustum respectively, steam turbine generator stator coil involute end is between involute positioning strip and involute fastening strip, the vertical compression bar of involute is positioned on the upside of steam turbine generator stator coil involute end, and it is shaping to the clamping of steam turbine generator stator coil involute end that the clamping support top on involute end, steam turbine generator stator coil two ends and side promote involute fastening strip compression bar vertical with involute respectively by trip bolt.
2. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, is characterized in that: described involute shape positioning strip medial surface, involute fastening strip lateral surface coincide with the shape of longitudinal direction two sides, steam turbine generator stator coil involute end respectively.
3. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, it is characterized in that: described formed steel base comprises two longitudinal shaped steel and several cross struts, two longitudinal shaped steel and several spaced cross struts are fixedly connected into rectangular frame.
4. steam turbine generator stator coil involute end as claimed in claim 3 forming frock, it is characterized in that: described cross struts is the structure of middle polished rod and tap bolt, the junction of intermediate light rod end surface and threaded rod the inner is provided with the ring surface that formed steel base width is located, and is fixedly connected into rectangular frame after the threaded rod at cross struts two ends passes corresponding longitudinal shaped steel respectively by nut and longitudinal shaped steel.
5. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, is characterized in that: end locating piece is separately fixed on the taper seat of the partial circle frustum outside bending termination, steam turbine generator stator coil involute end.
6. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, it is characterized in that: horizontal gird termination draft angle and the partial circle frustum half-angle of projection match, horizontal gird is respectively equipped with vertical center web on the downside of two ends, and horizontal gird two ends are fixedly connected with corresponding partial circle frustum small end end face top respectively by vertical center web.
7. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, be is characterized in that: be supported on formed steel base by the vertical support bar of several adjustment height in the middle part of horizontal gird.
8. steam turbine generator stator coil involute end as claimed in claim 7 forming frock, it is characterized in that: described vertical support bar comprises top bar and lower support cylinder, described top bar lower end is connected with lower support cylinder threaded upper ends, upper the top of top bar is supported on the downside of horizontal gird, is fixed on formed steel base bottom lower support cylinder.
9. steam turbine generator stator coil involute end as claimed in claim 1 forming frock, it is characterized in that: described clamping support is in shaped door, comprise two vertical posts and a cross tube, cross tube two ends are hinged by connecting pin with vertical posts upper end respectively, and housing screw is vertical with cross tube with vertical posts to be respectively connected; Housing screw termination on multiple clamping support promotes corresponding fastening strip and compression bar, is resisted against on the steam turbine generator stator coil involute end at the middle steam turbine generator stator coil line part of steam turbine generator stator coil or two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866313.5U CN205178797U (en) | 2015-11-03 | 2015-11-03 | Turbo generator stator coil evolvent tip shaping frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866313.5U CN205178797U (en) | 2015-11-03 | 2015-11-03 | Turbo generator stator coil evolvent tip shaping frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178797U true CN205178797U (en) | 2016-04-20 |
Family
ID=55742727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866313.5U Withdrawn - After Issue CN205178797U (en) | 2015-11-03 | 2015-11-03 | Turbo generator stator coil evolvent tip shaping frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205178797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226889A (en) * | 2015-11-03 | 2016-01-06 | 镇江中船现代发电设备有限公司 | Steam turbine generator stator coil involute end forming frock and frock manufacture method |
-
2015
- 2015-11-03 CN CN201520866313.5U patent/CN205178797U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226889A (en) * | 2015-11-03 | 2016-01-06 | 镇江中船现代发电设备有限公司 | Steam turbine generator stator coil involute end forming frock and frock manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |