CN202989246U - Hydro-generator seat vibration aging device - Google Patents
Hydro-generator seat vibration aging device Download PDFInfo
- Publication number
- CN202989246U CN202989246U CN 201220649962 CN201220649962U CN202989246U CN 202989246 U CN202989246 U CN 202989246U CN 201220649962 CN201220649962 CN 201220649962 CN 201220649962 U CN201220649962 U CN 201220649962U CN 202989246 U CN202989246 U CN 202989246U
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- Prior art keywords
- hydro
- hydrogenerator
- support
- generator seat
- clamp body
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Abstract
The utility model discloses a hydro-generator seat vibration aging device, and relates to the technical field of manufacturing of machining equipment. The hydro-generator seat vibration aging device comprises a vibration exciter and a clamp body, wherein the clamp body comprises a base board, a connection board welded to one end of the base board, and at least two compression screw rods located below the connection board and arranged in the base board in a penetrating mode, two lug boards extending out towards the side face are arranged at the lower end of the vibration exciter, and the two lug plates of the vibration exciter are fixed at the other end of the base board of the clamp body in a rigid mode respectively through two arc-shaped clamps. Compared with the prior art, by means of the hydro-generator seat vibration aging device, the optimum aging effect can be achieved, and the average stress relief rate is 54%. The hydro-generator seat vibration aging device is kept for 90 days after a core is assembled, the radial deformation amount of a hydro-generator seat is detected, and the average deformation amount of the hydro-generator seat is 0.03mm.
Description
Technical field
The utility model relates to machining equipment manufacturing technology field, especially a kind of device for the hydrogenerator support being carried out oscillating aging and processing.
Background technology
The hydrogenerator support is one of vitals of hydrogenerator, plays a part fixed stator iron core and stator winding; It is by the circle tube member that the welding of the component such as upper and lower end ring flat-plate and wallboard consists of, and the barrel of this hydrogenerator support is provided with a plurality of cinclides.In order to prevent that welding residual stress from causing the radial deformation of barrel, the hydrogenerator support that assembly welding is good all needs to carry out ageing treatment.The hydrogenerator support is all to use thermal life to process all the time, and is high due to the thermal life cost, the cycle long and have the drawback such as oxide skin, is eliminated gradually.And oscillating aging is method reduction and homogenizing part unrelieved stress by sympathetic resonant vibration, thereby improve the dimensional precision stability of part, have that production cost is low, efficient is high, the characteristics such as effects of energy saving and emission reduction is good, therefore, in recent years the ageing treatment of hydrogenerator support has been adopted the oscillating aging treatment process.A kind of hydrogenerator support vibration ageing device is arranged, and the technical scheme of this hydrogenerator support vibration ageing device is: vibrator is fixed on the ring flat-plate place, upper end of hydrogenerator support, it is carried out oscillating aging process.The hydrogenerator support vibration ageing device of this scheme in use has following deficiency:
1, be radial deformation because the welding assembly that resembles this great circle tubular of hydrogenerator support is subjected to that welding residual stress affects main generation, and the Vibratory Stress de-stress has directivity, only have the position consistent with oscillating aging dynamic stress direction, the effect that eliminates stress is only best.Vibrator is fixed on the ring flat-plate place, upper end of hydrogenerator support, the sense of rotation of the motor of vibrator, the dynamic stress direction of oscillating aging namely, consistent with the axial direction due of hydrogenerator support, but radially vertical with the hydrogenerator support, therefore, can not effectively solve the radial stress problem on deformation of hydrogenerator support; After testing, the mean stress elimination factor is only 32%.
2, because the hydrogenerator support is bulky, vibrator will be fixed on the top ring Board position of hydrogenerator support, need operator to climb to the ring flat-plate place, upper end of hydrogenerator support, tighten the standing bolt of vibrator, operation is inconvenience very, also is difficult to fastening vibrator, easily cause vibrator loosening in the oscillating aging process, drop, cause the oscillating aging structure deteriorate, and operator easily fall down and cause work accident.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of hydrogenerator support vibration ageing device that can eliminate safely and effectively hydrogenerator support welding residual stress.
The technical scheme that the utility model technical solution problem adopts is: this hydrogenerator support vibration ageing device includes vibrator, there is one to be installed on by base plate with below being welded on the web plate of described base plate one end and being positioned at described web plate the clamp body that at least two clamping screws on described base plate consist of, there are two otic placodes that stretch out to the side described vibrator lower end, and two otic placodes of described vibrator are rigidly fixed in the other end on the described base plate of described clamp body by two bent clamps.
In above-mentioned hydrogenerator support vibration ageing device technical scheme, can also be more specifically: described bent clamp includes arc caliper and is installed on push bolt on described arc caliper by screw thread.
Owing to having adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1, vibrator is fixed on the lower end ring flat-plate of hydrogenerator support by clamp body, the sense of rotation of motor for vibration exciter is consistent with the radial direction of hydrogenerator support, namely the dynamic stress direction of oscillating aging is identical with the radial direction of hydrogenerator support, therefore, oscillating aging can reach best timeliness effect; Through trace detection, the mean stress elimination factor is 54%; Placed 90 days after the assembling iron core, the radial-deformation of hydrogenerator support, the average deformation amount of hydrogenerator support is 0.03 millimeter.
2, be fixed on the ring flat-plate place, lower end of the cinclides of hydrogenerator support barrel due to vibrator, operator just can complete the fastening work to vibrator on ground, can not produce the loosening phenomenon that drops of vibrator in the oscillating aging process, not have the problem of potential safety hazard yet.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the partial enlarged drawing at the A place of Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of the clamp body of the utility model embodiment.
Number in the figure explanation: clamp body 1, base plate 1-1, web plate 1-2, vibrator 2, push bolt 3, arc caliper 4, clamping screw 5, hydrogenerator support 6, rubber pad 7, upper end ring flat-plate 8, lower end ring flat-plate 9, oscillation pickup 10.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment:
As Fig. 1, Fig. 2, shown in Figure 3 be SF6000-28/4250/6000 kW hydrogenerator support vibration ageing devices, it includes vibrator 2, there is one by base plate 1-1 and is welded on the web plate 1-2 of base plate 1-1 one end and is arranged in the clamp body 1 that two clamping screws 5 that are installed on base plate 1-1 of web plate 1-2 below consist of, as shown in Figure 4; Clamping screw 5 in other embodiments can also three; Bent clamp includes arc caliper 4 and is installed on push bolt 3 on described arc caliper 4 by screw thread; There are two otic placodes that stretch out to the side vibrator 2 lower ends, and two otic placodes of vibrator 2 are rigidly fixed in the other end of the base plate 1-1 of clamp body 1 by two arc calipers 4 and push bolt 3 that pass each arc caliper 4.
During work, three rubber pads 7 are evenly distributed between the lower end ring flat-plate 9 and upholder that is supported on hydrogenerator support 6, then with the opening of clamp body 1 one ends of hydrogenerator support vibration ageing device, be installed in lower end ring flat-plate 9 places of cinclides of the barrel of hydrogenerator support 6, by tightening two clamping screws 5 on the base plate 1-1 that is installed on clamp body 1, clamp body 1 is rigidly fixed on lower end ring flat-plate 9; Oscillation pickup 10 is arranged on the barrel outside at upper end ring flat-plate 8 places of the close hydrogenerator support 6 relative with clamp body 1, starts vibrator 2 and can carry out oscillating aging to hydrogenerator support 6 and process.
Be fixed on the lower end ring flat-plate 9 of hydrogenerator support 6 by clamp body 1 due to vibrator 2, the sense of rotation of vibrator 2 motors is consistent with the radial direction of hydrogenerator support 6, namely the dynamic stress direction of oscillating aging is identical with the radial direction of hydrogenerator support 6, therefore, can reach best timeliness effect during oscillating aging; Through trace detection, the mean stress elimination factor is 54%; Placed 90 days after the assembling iron core, the radial-deformation of hydrogenerator support 6, the average deformation amount of hydrogenerator support 6 is 0.03 millimeter.Be fixed on lower end ring flat-plate 9 places of the cinclides of hydrogenerator support 6 barrels due to vibrator 2, operator just can complete the fastening work to vibrator 2 on ground, can not produce the loosening phenomenon that drops of vibrator 2 in the oscillating aging process, not have the problem of potential safety hazard yet.
Claims (2)
1. hydrogenerator support vibration ageing device, include vibrator (2), it is characterized in that: have one to be installed on by base plate (1-1) with below being welded on the web plate (1-2) of described base plate (1-1) end and being positioned at described web plate (1-2) clamp body (1) that at least two clamping screws (5) on described base plate (1-1) consist of, there are two otic placodes that stretch out to the side described vibrator (2) lower end, two otic placodes of described vibrator (2) are rigidly fixed in the other end of the described base plate (1-1) of described clamp body (1) by two bent clamps.
2. described hydrogenerator support vibration ageing device according to claim 1 is characterized in that: described bent clamp includes arc caliper (4) and is installed on push bolt (3) on described arc caliper (4) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649962 CN202989246U (en) | 2012-12-02 | 2012-12-02 | Hydro-generator seat vibration aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649962 CN202989246U (en) | 2012-12-02 | 2012-12-02 | Hydro-generator seat vibration aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989246U true CN202989246U (en) | 2013-06-12 |
Family
ID=48560442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220649962 Withdrawn - After Issue CN202989246U (en) | 2012-12-02 | 2012-12-02 | Hydro-generator seat vibration aging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925662A (en) * | 2012-12-02 | 2013-02-13 | 南宁广发重工发电设备有限责任公司 | VSR (vibratory stress relief) device for hydro-generator base |
-
2012
- 2012-12-02 CN CN 201220649962 patent/CN202989246U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925662A (en) * | 2012-12-02 | 2013-02-13 | 南宁广发重工发电设备有限责任公司 | VSR (vibratory stress relief) device for hydro-generator base |
| CN102925662B (en) * | 2012-12-02 | 2014-12-17 | 南宁广发重工发电设备有限责任公司 | VSR (vibratory stress relief) device for hydro-generator base |
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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: 20130612 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |