CN201789345U - Improved magnetic pole support block - Google Patents
Improved magnetic pole support block Download PDFInfo
- Publication number
- CN201789345U CN201789345U CN2010205318022U CN201020531802U CN201789345U CN 201789345 U CN201789345 U CN 201789345U CN 2010205318022 U CN2010205318022 U CN 2010205318022U CN 201020531802 U CN201020531802 U CN 201020531802U CN 201789345 U CN201789345 U CN 201789345U
- Authority
- CN
- China
- Prior art keywords
- bracer
- plate
- magnetic pole
- support plate
- support block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to an improved magnetic pole support block which is convenient for the dismounting of a magnetic pole support block and can effectively prevent the harmful deformation in the side direction of a pole coil of a power generator. The magnetic pole support block improving device comprises a first support plate and a second support plate, wherein a notch is formed on the first support plate, a small hole is formed on the second support plate, one end of a support block screw rod butts the notch of the first support plate and the other end thereof is clamped inside the small hole on the second support plate, an external tab washer is clamped inside the small hole on the second support plate, a screw nut is sleeved on the support block screw rod, and an insulating padding plate is arranged between the magnetic pole coil and the first support plate and the second support plate. The device can effectively prevent the harmful deformation in the side direction of the magnetic pole coil of the power generator, has a simple structure and low cost, and is very convenient to mount and dismount.
Description
Technical field
It is very convenient and can prevent effectively that the pole coil of generator side direction from producing a kind of magnetic pole bracer modifying device of injurious deformation when the utility model relates to mounting or dismounting magnetic pole bracer.
Background technology
At present, because Medium and Small Hydraulic Generator rotor magnetic pole when running up produces very big centrifugal force, for preventing under the effect of centrifugal force cross component force, to make the pole coil conductor produce injurious deformation along side direction, coil need add side direction to be fixed, the general bracer that adopts is fixed, is supported, there is following defective in traditional bracer: fix at fastening nut, must weld bracer plate one and bracer screw rod point when supporting, otherwise the bracer screw rod can rotate with nut, rotate together and just be difficult to tighten; Spot welding nut and bracer plate two are also adopted in some locking stop behind nut screwing clamping, also some adopts the locking stop of lock washer with double ears, lock washer with double ears is when fastening nut, can not rotate with nut equally because of covering the angle, the position of covering the angle after tightening is inaccurate probably, influences locking stopping effect; Must remove crator again when dismantling in addition, very inconvenient.If the power station maintenance must not have electric welding machine just to bother very much during the dismounting bracer.
Summary of the invention
It is very convenient that the purpose of this utility model provides a kind of mounting or dismounting magnetic pole bracer, prevents that effectively pole coil of generator from producing the magnetic pole bracer modifying device of injurious deformation along side direction thereby can fix, support pole coil again.
Technical scheme of the present utility model is achieved in that a kind of magnetic pole bracer modifying device, comprise bracer plate one, bracer plate two, bracer plate one is provided with breach, bracer plate two is provided with aperture, bracer screw rod one end withstands the breach of bracer plate one, and the other end is stuck in the aperture on the bracer plate two, and lock washer with tongue at outside is stuck in the aperture on the bracer plate two, nut sleeve is on the bracer screw rod, and the insulating pad pad is between pole coil and bracer plate one, bracer plate two.
The utility model has the advantages that: can prevent effectively that pole coil of generator from producing injurious deformation along side direction, and simple in structure, cost is low, mounting or dismounting are very convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, it comprises bracer plate 1, bracer plate 24, bracer plate 1 is provided with breach, bracer plate 24 is provided with aperture, bracer screw rod 7 one ends withstand the breach of bracer plate 1, and the other end is stuck in the aperture on the bracer plate 24, and lock washer with tongue at outside 5 is stuck in the aperture on the bracer plate 24, nut 6 is enclosed within on the bracer screw rod 7, and insulating pad 3 pad is between pole coil 2 and bracer plate 1, bracer plate 24.
Medium and Small Hydraulic Generator rotor when running up produces very big centrifugal force, effect lower magnetic pole coil-conductor in the centrifugal force cross component force produces injurious deformation along side direction, pole coil 2 need add side direction to be fixed, and support pole coil 2, pole coil 2 is enclosed within on the pole core 1, and pole coil 2 not only can be fixed, be supported to magnetic pole bracer modifying device, and can prevent effectively that pole coil of generator 2 from producing injurious deformation along side direction, and install and remove very convenient.Bracer screw rod 7 mills two facets on former bracer screw rod, bracer plate 1 increases by a breach on original structure, bracer plate 24 increases by an aperture, bracer screw rod 7 one ends withstand the plane, seam place of bracer plate 1,7 two facets of bracer screw rod are stuck in anti-rotation in the breach of bracer plate 1, the uvula of lock washer with tongue at outside 5 is stuck in the aperture of bracer plate 24, like this when fastening nut 6, bracer screw rod 7 can not rotate with bracer nut 6, and lock washer with tongue at outside 5 also can not rotate with nut 6.Insulating pad 3 pad between pole coil 2 and bracer plate 1, bracer plate 24, in case damage coil 2 and make mutually insulated between each pole coil 2, fastening nut 6, pole coil 2 is well fixed, supports, it is locking that lock washer with tongue at outside 5 is covered the angle.When maintenance must be dismantled the magnetic pole bracer,, unscrew nut 6 and can pull down the magnetic pole bracer as long as lock washer with tongue at outside 5 is covered the angle to be beaten out.
Claims (1)
1. magnetic pole bracer modifying device, comprise bracer plate one (8), bracer plate two (4), it is characterized in that: bracer plate one (8) is provided with breach, bracer plate two (4) is provided with aperture, bracer screw rod (7) one ends withstand the breach of bracer plate one (8), the other end is stuck in the aperture on the bracer plate two (4), lock washer with tongue at outside (5) is stuck in the aperture on the bracer plate two (4), nut (6) is enclosed within on the bracer screw rod (7), and insulating pad (3) pad is between pole coil (2) and bracer plate one (8), bracer plate two (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205318022U CN201789345U (en) | 2010-09-14 | 2010-09-14 | Improved magnetic pole support block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205318022U CN201789345U (en) | 2010-09-14 | 2010-09-14 | Improved magnetic pole support block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789345U true CN201789345U (en) | 2011-04-06 |
Family
ID=43821295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205318022U Expired - Fee Related CN201789345U (en) | 2010-09-14 | 2010-09-14 | Improved magnetic pole support block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201789345U (en) |
-
2010
- 2010-09-14 CN CN2010205318022U patent/CN201789345U/en not_active Expired - Fee Related
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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: 20110406 Termination date: 20130914 |