CN201312209Y - Fusiform coil stretching mechanism - Google Patents
Fusiform coil stretching mechanism Download PDFInfo
- Publication number
- CN201312209Y CN201312209Y CNU2008201681128U CN200820168112U CN201312209Y CN 201312209 Y CN201312209 Y CN 201312209Y CN U2008201681128 U CNU2008201681128 U CN U2008201681128U CN 200820168112 U CN200820168112 U CN 200820168112U CN 201312209 Y CN201312209 Y CN 201312209Y
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- coil
- nose
- stretching mechanism
- oil cylinder
- fusiform
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- Expired - Fee Related
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Abstract
The utility model discloses a fusiform coil stretching mechanism, which belongs to the technical field of spreading machines and is installed on a nose clip mechanism of a spreading machine. The nose clip mechanism comprises a nose end clip seat and a nose end clip. The fusiform coil stretching mechanism is characterized by comprising an oil cylinder, wherein a movable end of the oil cylinder is supported on the nose end clip seat, one ends of four draw rods are connected with the oil cylinder through a screw thread, and the other ends are threaded through the nose end clip seat and are connected with the nose end clip. The fusiform coil stretching mechanism has the advantages of stable spreading and high precision.
Description
Technical field
The utility model belongs to the stretching mechanism of a kind of fusiformis coil, belong to the expanding machine technical field, be mainly used in the stator coil bulging shaping usefulness of MW class wind turbine, also can be used for all size asynchronous traction motor stator coil and alternating current motor stator coil once-forming and end bending.
Background technology
Stator coil all uses the expanding machine of once-forming to make shaping when manufacture craft is strict, particularly for the stator coil of useful life at the wind-driven generator more than 20 years, because manufacture craft requires very strict, in forming process, forbidden to strike, forbidden to beat, do not wish to use again complex mould complex after not damaging turn-to-turn insulation and shaping, in case the insulating barrier of principal vertical line circle is injured, so this class stator coil should be by automatic forming of the automatic expanding machine of stator coil.But the strength of being engaged in the exploitation of stator coil expanding machine does not at present catch up with the development of wind-driven generator.For example: the stator frame coil spreading machine that generally adopts is when coil straight line bulging at present, be the center normally with two axle center, two straight lines of coil constitute two straight lines in space by four bulging fixture blocks, and be that two straight lines that rise into by coil are outwards rotated at the center with the axle center of two axles respectively, and by two groups of nose clips the coil both ends are stretched in the end along another axle center simultaneously, again by top, limit, arc mechanism opposite end, top camber.Though this manufacture craft has realized the purpose that disposable bulging is shaped, but because the coil straight line of this manufacture method is two straight lines that are configured to the space with four bulgings, and be again respectively around two axle center rotary formings, it is parallel be difficult to guarantee in the course of processing that Here it is that coil two straight lines remain, and the difficult strict guarantee of the angle of straight line: the back straight line that is shaped radially towards the axle center that just in time aligns motor.Straight line is stressed stressed all not at grade with the end hypotenuse, phenomenons such as bulge, crackle very easily occur.And non-arc pushes up in the end formed employing top arc mechanism of existing expanding machine.So be difficult to guarantee not need complex again behind the coil spreading.The complex mould claims to strike the shape mould again coil two straight lines is beaten out on mould directly, also there is the hot-die of employing under heated condition, two straight lines to be hot pressed into required angle and glacing flatness, any technology all will be damaged the insulation quality of coil, reduce the insulation margin of product, be difficult to guarantee being parallel to each other of end winding hypotenuse.On March 23rd, 1994, Chinese patent gazette publication number a kind of name that is 1084328 patent disclosure was called the technology of " method and apparatus of making coil of stator with mold winding ".This patent is the manufacturing equipment that is produced a coil of stator with mold winding by a bobbin, it is that the last straight line portion of coil and two of the following straight line portion arm that rises is installed in expanding machine on the same mandrel, and the straight line portion of the bobbin straight line portion with each branch line of coil is limited on straight line portion and the following straight line portion clamping device.Also bobbin is bent to predetermined radii simultaneously to form the device of the arm that extends to each nose of coil from the straight line portion of each branch line of coil.Be provided for the device of each brachiocylloosis for predetermined radius.Further be provided for nose is bent into the device of predetermined angular.Also generator is used for arm to coil provides a drop with respect to stator core.Also be provided for the lead-in wire of bobbin is configured to the device of predetermined structure.This utility model also discloses a system that is used for providing hydraulic means and this hydraulic means of control of the energy to equipment.But the top arc technology of taking of passing through a location top arc mechanism that this equipment remains on manufacturing process realizes the nose brake forming, need be gone to finish by an automatic controls such as code device, so mechanism's complexity, and precision is difficult to guarantee; And since this equipment rise by the arm mandrel not on straight line portion on the coil and the formed plane of following straight line portion, departed from the center vertical line of lathe bed, so stressed bad, easily cause the unbalanced swing of lathe bed.
The utility model content
At the above-mentioned defective of prior art, it is effective that the purpose of this utility model is to propose a kind of bulging, and the precision height does not need the stretching mechanism of fusiformis coil of complex again after the bulging.
The purpose of this utility model is achieved by following technical proposals, the stretching mechanism of a kind of fusiformis coil, be installed in the nose clip mechanism, nose clip mechanism includes nose holder and nose folder, it is characterized in that: the stretching mechanism of fusiformis coil comprises oil cylinder, the movable end of oil cylinder pushes against on the nose holder, and four pull bar one ends are threaded with oil cylinder, and the other end passes the nose holder and links to each other with the nose folder.The utlity model has stable, the advantage of high precision of bulging.
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Accompanying drawing has provided a case study on implementation of the present utility model, and the utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the nose clip mechanism 3 of expanding machine comprises the nose clip elevating mechanism of being made up of servomotor 31 and drive lead screw 32, nose folder 33 is installed on the nose holder 30, and by drive lead screw 32 control it moves up and down and locatees along the nose clip elevating mechanism, the nose clip elevating mechanism is connected with the stretching mechanism 34 of fusiformis coil, the stretching mechanism 34 of fusiformis coil comprises oil cylinder 341, the movable end of oil cylinder 341 pushes against on nose holder 30, four pull bar 342 1 ends are threaded with oil cylinder 341, and the other end passes nose holder 30 and links to each other with nose folder 33.During work, prop up nose holder 30 by oil cylinder 341, pull bar 342 draws nose folder 33 to the opposite direction of oil cylinder 341 motions.Like this, the left and right motion of the stretching mechanism 34 of fusiformis coil, the fusiformis coil is stretching.
The beneficial effects of the utility model are: Fusiform coil stretching mechanism of the present utility model is logical Cross before bulging by will the be risen fusiformis of coil of Fusiform coil stretching mechanism stretchingly, like this, guarantee In the bulging process, the stability of coil spreading and accuracy.
Claims (2)
1, the stretching mechanism of a kind of fusiformis coil, be installed in the nose clip mechanism, nose clip mechanism includes nose holder (30) and nose folder (33), it is characterized in that: the stretching mechanism of fusiformis coil (34) comprises oil cylinder (341), the movable end of oil cylinder (341) pushes against on nose holder (30), pull bar (342) one ends are threaded with oil cylinder (341), and the other end passes nose holder (30) and links to each other with nose folder (33).
2, the stretching mechanism of a kind of fusiformis coil as claimed in claim 1, it is characterized in that: described pull bar (342) is provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201681128U CN201312209Y (en) | 2008-11-27 | 2008-11-27 | Fusiform coil stretching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201681128U CN201312209Y (en) | 2008-11-27 | 2008-11-27 | Fusiform coil stretching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312209Y true CN201312209Y (en) | 2009-09-16 |
Family
ID=41109463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201681128U Expired - Fee Related CN201312209Y (en) | 2008-11-27 | 2008-11-27 | Fusiform coil stretching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312209Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860142A (en) * | 2010-04-30 | 2010-10-13 | 天津市天发重型水电设备制造有限公司 | Coil spreading adjustable moving cylinder device |
-
2008
- 2008-11-27 CN CNU2008201681128U patent/CN201312209Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860142A (en) * | 2010-04-30 | 2010-10-13 | 天津市天发重型水电设备制造有限公司 | Coil spreading adjustable moving cylinder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20101127 |