CN212367034U - Generator bradyseism machine mound structure for hydroelectric power station - Google Patents
Generator bradyseism machine mound structure for hydroelectric power station Download PDFInfo
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- CN212367034U CN212367034U CN202021442247.6U CN202021442247U CN212367034U CN 212367034 U CN212367034 U CN 212367034U CN 202021442247 U CN202021442247 U CN 202021442247U CN 212367034 U CN212367034 U CN 212367034U
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Abstract
The utility model provides a generator bradyseism machine mound structure for hydroelectric power station belongs to hydroelectric power generation equipment technical field for solve current machine mound quality big, intensity low, be difficult to avoid resonance, the poor technical problem of shock attenuation shock insulation effect. The damping device comprises a rigid base, wherein a balancing weight, a damping spring shock absorber and an outer cover are fixed on the rigid base, a connecting frame is arranged on the rigid base, an outer rubber pad and a steel pad are arranged between the rigid base and the connecting frame, an installation support is fixed in the connecting frame, an inner rubber pad is fixed on the installation support, and a heat dissipation fixing cover is fixed on the connecting frame; the utility model discloses in can improve structural strength and rigidity when alleviateing the whole quality of machine mound through each part self structure and different forms's gusset, effectively improve machine mound natural vibration frequency, prevent to resonate, outer rubber pad plays shock insulation cushioning effect, and the steel pad can strengthening structural strength, and damping spring bumper shock absorber plays shock attenuation cushioning effect, enables the vibration attenuation, and shock attenuation shock insulation is effectual.
Description
Technical Field
The utility model belongs to the technical field of hydroelectric equipment, a generator machine mound device is related to, especially a generator bradyseism machine mound structure for hydroelectric power station.
Background
The machine pier is also called a base, is an engineering structure for supporting a generator in a main power house of a hydropower station, bears all static loads and dynamic loads transmitted by the structure of the generator and transmits the static loads and the dynamic loads to a lower structure of the power house, and the existing machine pier has large mass, low strength, difficulty in avoiding resonance and poor shock absorption and isolation effects;
through retrieval, as the chinese patent document discloses an adjustable generator base [ application number: 201821874107.9, respectively; publication No.: CN209170125U ]. The adjustable generator base comprises a base and an adjustable mechanism, wherein the base comprises a bottom plate, a connecting block and a supporting plate which are fixedly connected from bottom to top in sequence, two strip-shaped adjusting holes are symmetrically formed in the supporting plate, the adjustable mechanism comprises two moving bodies, and the two adjusting strips arranged in parallel penetrate through the two moving bodies. The utility model discloses a although can adapt to different model generator bodies, the machine mound quality is big, intensity is low, is difficult to avoid resonance, and shock attenuation shock insulation effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having above-mentioned problem to current technique, provided a generator bradyseism machine mound structure for hydroelectric station, the technical problem that the device will solve is: how to realize improving the machine pier natural vibration frequency through reducing the machine pier quality to prevent resonance, and improve shock attenuation shock insulation effect.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a generator bradyseism mound structure for hydroelectric power station, includes the rigid base, the damping spring bumper shock absorber that is fixed with balancing weight, dustcoat and a plurality of equipartition on the rigid base is provided with the link on the rigid base, is provided with the outer rubber pad and the steel pad of a plurality of equipartitions between rigid base and the link, and the link internal fixation has the installing support, is fixed with the inner rubber pad on the installing support, is fixed with the fixed cover of heat dissipation on the link.
The utility model discloses a theory of operation is: when the device is used, the rigid base is fixed on the ground firstly, the damping rubber foot pad is additionally arranged, the shock insulation buffering effect is achieved, the balancing weight enables the whole gravity center of the device to be reduced, the device is more stable, the damping spring shock absorber achieves the shock insulation buffering effect, the vibration attenuation of the generator can be achieved, the outer cover achieves the protection effect, the connecting frame achieves the connecting effect, the generator is fixed on the mounting support, the outer rubber pad achieves the shock insulation buffering effect, the steel pad can enhance the structural strength, the inner rubber pad can achieve the shock insulation buffering effect, the heat dissipation fixing cover can achieve the ventilation and heat dissipation effects, the self strength is high, the weight is light, and.
Rigid base includes the bottom plate, and the balancing weight setting is equipped with the support column on the bottom plate, and the support column inner wall is equipped with the riser of a plurality of equipartitions, and the support column upper end is equipped with the roof, is equipped with the support gusset of a plurality of equipartitions between support column and the roof, is equipped with the guide orientation pole on the roof, and damping spring shock absorber ware and dustcoat all set up on the roof.
Structure more than adopting, the support column plays the supporting role, and the structural strength of support column can be strengthened to the riser, and the structural strength of roof can be strengthened to support rib plate, and the guide orientation pole plays the guiding orientation effect, and the link is rotatory when preventing to vibrate.
The outer contour of the cross section of the support column is rectangular, and the inner contour of the cross section of the support column is circular.
By adopting the structure, the bending rigidity of the support column can be improved by the rectangular outer contour, and the torsional rigidity of the support column can be improved by the circular inner contour, so that the support column is prevented from bearing deformation.
The link periphery is equipped with the backup pad, and outer rubber pad and steel mat interval distribution set up between roof and backup pad, and damping spring shock absorber all runs through outer rubber pad and steel mat, and the dustcoat is located outside outer rubber pad and the steel mat, and the installing support periphery is equipped with the slant muscle of a plurality of equipartitions.
By adopting the structure, the outer rubber pad plays a role in shock insulation and buffering, the steel pad can enhance the structural strength, the oblique ribs can improve the bending rigidity and the torsional rigidity of the mounting bracket, the structural strength of the mounting bracket is enhanced, and the quality of the mounting bracket is reduced.
The periphery of the heat dissipation fixing cover is provided with a plurality of uniformly distributed heat dissipation strip holes, the periphery of the heat dissipation fixing cover is provided with a plurality of outer rib plates uniformly distributed along the axis direction, the inner wall of the heat dissipation fixing cover is provided with a plurality of inner rib plates uniformly distributed along the circumferential direction, the end face of each inner rib plate is abutted against the generator, and the top of the heat dissipation fixing cover is provided with a line passing hole.
By adopting the structure, the heat dissipation strip holes play a role in ventilation and heat dissipation, the outer rib plates are uniformly distributed along the axis direction, the torsional rigidity of the heat dissipation fixing cover can be improved, the inner rib plates are uniformly distributed along the circumferential direction, the flexural rigidity of the heat dissipation fixing cover can be improved, the inherent vibration frequency of the heat dissipation fixing cover is improved while the quality of the heat dissipation fixing cover is reduced, the end face of each inner rib plate abuts against the generator, a fixing and limiting effect is achieved, and the line holes are formed to facilitate the passing of lines.
Compared with the prior art, this generator bradyseism mound structure for hydroelectric power station has following advantage:
1. the structural strength and rigidity of each part can be improved while the whole mass of the machine pier is reduced through the self-bearing structure and the rib plates in different forms, so that the inherent vibration frequency of the machine pier is effectively improved, resonance is prevented, the outer rubber cushion plays a role in shock insulation and buffering, the steel cushion can strengthen the structural strength, the damping spring shock absorber plays a role in shock absorption and buffering, vibration can be attenuated, and the shock absorption and shock insulation effects are good;
2. the connection structure between each component is simple and reliable, the installation and the maintenance are convenient, the line is convenient to arrange through the line passing hole, and the heat dissipation strip hole can ventilate and dissipate heat;
3. the guide positioning rod plays a role in guiding and positioning, and the connecting frame is prevented from rotating when vibration occurs.
Drawings
FIG. 1 is a schematic view of an axial measurement structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the shaft of the present invention;
fig. 3 is a schematic front sectional view of the present invention;
in the figure: the damping device comprises a rigid base 1, a bottom plate 1a, a supporting column 1b, a top plate 1c, a vertical plate 1d, a supporting rib plate 1e, a guiding and positioning rod 1f, a balancing weight 2, a connecting frame 3, a supporting plate 3a, a mounting support 4, an oblique rib 4a, an internal rubber pad 5, an external rubber pad 6, a steel pad 7, a damping spring shock absorber 8, an external cover 9, a heat dissipation fixing cover 10, a heat dissipation bar hole 10a, an external rib plate 10b, an internal rib plate 10c and a wire passing hole 10 d.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, the present embodiment provides a shock absorber pier structure of a generator for a hydroelectric power station, which includes a rigid base 1, wherein a counterweight 2, an outer cover 9 and a plurality of damping spring shock absorbers 8 are fixed on the rigid base 1, in the present embodiment, the fixing manner is implemented by using bolts, the rigid base 1 is provided with a connecting frame 3, a plurality of outer rubber pads 6 and steel pads 7 are arranged between the rigid base 1 and the connecting frame 3, the connecting frame 3 is internally fixed with a mounting bracket 4, in the present embodiment, the fixing manner is implemented by using bolts, the mounting bracket 4 is fixed with an inner rubber pad 5, and the connecting frame 3 is fixed with a heat dissipation fixing cover 10, in the present embodiment, the fixing manner is implemented by using bolts; when the device is used, the base of the rigid base 1 is fixed on the ground firstly, the damping rubber foot pad is additionally arranged, the shock insulation buffering effect is achieved, the balancing weight 2 enables the whole gravity center of the device to be reduced, the device is more stable, the damping spring shock absorber 8 achieves the shock insulation buffering effect, the vibration attenuation of the generator can be achieved, the outer cover 9 achieves the protection effect, the connecting frame 3 achieves the connecting effect, the generator is fixed on the mounting support 4, the outer rubber pad 6 achieves the shock insulation buffering effect, the steel pad 7 can enhance the structural strength, the inner rubber pad 5 can achieve the shock insulation effect, the heat dissipation fixing cover 10 can ventilate and dissipate heat, the self strength is high, the weight is light, and.
The rigid base 1 comprises a bottom plate 1a, a balancing weight 2 is arranged on the bottom plate 1a, a supporting column 1b is arranged on the bottom plate 1a, a plurality of uniformly distributed vertical plates 1d are arranged on the inner wall of the supporting column 1b, a top plate 1c is arranged at the upper end of the supporting column 1b, a plurality of uniformly distributed supporting rib plates 1e are arranged between the supporting column 1b and the top plate 1c, a guiding and positioning rod 1f is arranged on the top plate 1c, and a damping spring shock absorber 8 and an outer cover 9 are arranged on the top plate 1 c; support column 1b plays the supporting role, and the structural strength of support column 1b can be strengthened to riser 1d, and the structural strength of roof 1c can be strengthened to support gusset 1e, and guiding orientation pole 1f plays guiding orientation effect, and link 3 is rotatory when preventing to vibrate.
The cross section of the support column 1b has a rectangular outer contour and a circular inner contour; the rectangular outer contour can improve the bending rigidity of the support column 1b, and the circular inner contour can improve the torsional rigidity of the support column 1b, so that the support column 1b is prevented from bearing deformation.
The periphery of the connecting frame 3 is provided with a supporting plate 3a, an outer rubber pad 6 and a steel pad 7 are arranged between the top plate 1c and the supporting plate 3a at intervals, damping spring shock absorbers 8 penetrate through the outer rubber pad 6 and the steel pad 7, an outer cover 9 is positioned outside the outer rubber pad 6 and the steel pad 7, and the periphery of the mounting bracket 4 is provided with a plurality of uniformly distributed oblique ribs 4 a; the outer rubber pad 6 plays a role in shock insulation and buffering, the steel pad 7 can enhance the structural strength, the oblique ribs 4a can improve the bending rigidity and the torsional rigidity of the mounting bracket 4, the structural strength of the mounting bracket 4 is enhanced, and the quality of the mounting bracket 4 is reduced.
A plurality of uniformly distributed radiating strip holes 10a are formed in the periphery of the radiating fixed cover 10, a plurality of outer rib plates 10b uniformly distributed along the axis direction are arranged in the periphery of the radiating fixed cover 10, a plurality of inner rib plates 10c uniformly distributed along the circumferential direction are arranged on the inner wall of the radiating fixed cover 10, the end faces of the inner rib plates 10c abut against a generator, and a wire passing hole 10d is formed in the top of the radiating fixed cover 10; the heat dissipation strip holes 10a play a role in ventilation and heat dissipation, the outer rib plates 10b are uniformly distributed along the axis direction, the torsional rigidity of the heat dissipation fixing cover 10 can be improved, the inner rib plates 10c are uniformly distributed along the circumferential direction, the flexural rigidity of the heat dissipation fixing cover 10 can be improved, the inherent vibration frequency of the heat dissipation fixing cover 10 is improved while the quality of the heat dissipation fixing cover 10 is reduced, the end faces of the inner rib plates 10c abut against a generator, a fixing and limiting effect is achieved, and the line passing holes 10d are formed to facilitate line passing.
The utility model discloses a theory of operation:
when the device is used, the base of the rigid base 1 is fixed on the ground, the shock absorption rubber foot pad is additionally arranged between the rigid base 1 and the ground to play a role in shock insulation and buffering, the support column 1b plays a role in supporting, the bending rigidity of the support column 1b can be improved by the rectangular outer contour, the torsional rigidity of the support column 1b can be improved by the circular inner contour, so that the support column 1b is prevented from bearing and deforming, the structural strength of the support column 1b can be enhanced by the vertical plate 1d, the structural strength of the top plate 1c can be enhanced by the support rib plate 1e, and the overall gravity center of the device can be reduced; an outer cover 9 and a damping spring shock absorber 8 are fixed on a top plate 1c, an outer rubber pad 6 and a steel pad 7 are sequentially inserted through a guide positioning rod 1f and fixed on the top plate 1c, the outer rubber pad 6 plays a role in shock insulation and buffering, the steel pad 7 can strengthen the structural strength, the damping spring shock absorber 8 plays a role in shock insulation and buffering, vibration can be attenuated, and the outer cover 9 plays a role in protection; the mounting bracket 4 is fixed on the connecting bracket 3, the generator is fixed on the mounting bracket 4, the inner rubber pad 5 is additionally arranged, the connecting bracket 3 plays a role in connection, the oblique ribs 4a can improve the bending resistance and torsional rigidity of the mounting bracket 4, the structural strength of the mounting bracket 4 is enhanced, the mass of the mounting bracket 4 is reduced, and the inner rubber pad 5 can buffer and isolate vibration; the connecting frame 3 is placed in the supporting column 1b, the guiding and positioning rod 1f penetrates through the supporting plate 3a, and the guiding and positioning rod 1f plays a guiding and positioning role to prevent the connecting frame 3 from rotating when vibration occurs; finally, the heat dissipation fixing cover 10 is fixed on the supporting plate 3a, the end face of the inner rib plate 10c abuts against the generator, the heat dissipation strip holes 10a play a role in ventilation and heat dissipation, the outer rib plates 10b are uniformly distributed along the axis direction, the torsional rigidity of the heat dissipation fixing cover 10 can be improved, the inner rib plates 10c are uniformly distributed along the circumferential direction, the flexural rigidity of the heat dissipation fixing cover 10 can be improved, the mass of the heat dissipation fixing cover 10 is reduced, the inherent vibration frequency of the heat dissipation fixing cover 10 is improved, and the end face of the inner rib plate 10c abuts against the generator to play a role in fixing and limiting.
In conclusion, the structural strength and rigidity of each part can be improved while the overall mass of the machine pier is reduced through the self-bearing structure and the rib plates in different forms, so that the inherent vibration frequency of the machine pier is effectively improved, resonance is prevented, the outer rubber pad 6 plays a role in shock insulation and buffering, the steel pad 7 can strengthen the structural strength, the damping spring shock absorber 8 plays a role in shock absorption and buffering, vibration can be attenuated, and the shock absorption and shock insulation effects are good; the connection structure among all the parts is simple and reliable, the installation and the maintenance are convenient, the line is convenient to arrange through the line through hole 10d, and the heat dissipation strip hole 10a can ventilate and dissipate heat; the guide positioning rod 1f plays a role in guiding and positioning, and prevents the connecting frame 3 from rotating when vibration occurs.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a generator bradyseism mound structure for hydroelectric power station, includes rigid base (1), its characterized in that, be fixed with damping spring shock absorber (8) of balancing weight (2), dustcoat (9) and a plurality of equipartition on rigid base (1), be provided with link (3) on rigid base (1), be provided with outer rubber pad (6) and steel pad (7) of a plurality of equipartitions between rigid base (1) and link (3), link (3) internal fixation has installing support (4), is fixed with interior rubber pad (5) on installing support (4), is fixed with heat dissipation fixed cover (10) on link (3).
2. The generator shock absorber pier structure for the hydropower station according to claim 1, wherein the rigid base (1) comprises a bottom plate (1 a), the balancing weight (2) is arranged on the bottom plate (1 a), a support column (1 b) is arranged on the bottom plate (1 a), a plurality of uniformly distributed vertical plates (1 d) are arranged on the inner wall of the support column (1 b), a top plate (1 c) is arranged at the upper end of the support column (1 b), a plurality of uniformly distributed support rib plates (1 e) are arranged between the support column (1 b) and the top plate (1 c), a guide positioning rod (1 f) is arranged on the top plate (1 c), and the damping spring shock absorber (8) and the outer cover (9) are arranged on the top plate (1 c).
3. The structure of a shock absorber for a generator of a hydroelectric power station as claimed in claim 2, wherein the cross-section of the supporting column (1 b) has an outer contour of a rectangle and an inner contour of a circle.
4. The shock absorber pier structure of the generator for the hydropower station as claimed in claim 2, wherein a support plate (3 a) is arranged on the periphery of the connecting frame (3), an outer rubber pad (6) and a steel pad (7) are arranged between the top plate (1 c) and the support plate (3 a) in a spaced manner, damping spring shock absorbers (8) penetrate through the outer rubber pad (6) and the steel pad (7), an outer cover (9) is arranged outside the outer rubber pad (6) and the steel pad (7), and a plurality of uniformly distributed oblique ribs (4 a) are arranged on the periphery of the mounting frame (4).
5. The generator shock absorber pier structure for the hydropower station according to any one of claims 1 to 4, wherein a plurality of uniformly distributed heat dissipation strip holes (10 a) are formed in the periphery of the heat dissipation fixing cover (10), a plurality of outer rib plates (10 b) are uniformly distributed in the axis direction in the periphery of the heat dissipation fixing cover (10), a plurality of inner rib plates (10 c) are uniformly distributed in the circumferential direction in the inner wall of the heat dissipation fixing cover (10), the end face of each inner rib plate (10 c) abuts against a generator, and a line passing hole (10 d) is formed in the top of the heat dissipation fixing cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442247.6U CN212367034U (en) | 2020-07-21 | 2020-07-21 | Generator bradyseism machine mound structure for hydroelectric power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021442247.6U CN212367034U (en) | 2020-07-21 | 2020-07-21 | Generator bradyseism machine mound structure for hydroelectric power station |
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| Publication Number | Publication Date |
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| CN212367034U true CN212367034U (en) | 2021-01-15 |
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|---|---|---|---|
| CN202021442247.6U Active CN212367034U (en) | 2020-07-21 | 2020-07-21 | Generator bradyseism machine mound structure for hydroelectric power station |
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| CN (1) | CN212367034U (en) |
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