CN220286818U - Damping device for hydroelectric generating set - Google Patents
Damping device for hydroelectric generating set Download PDFInfo
- Publication number
- CN220286818U CN220286818U CN202322042185.XU CN202322042185U CN220286818U CN 220286818 U CN220286818 U CN 220286818U CN 202322042185 U CN202322042185 U CN 202322042185U CN 220286818 U CN220286818 U CN 220286818U
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- Prior art keywords
- generating set
- hydroelectric generating
- damping device
- sliding
- hydraulic
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- 238000013016 damping Methods 0.000 title claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a damping device for a hydroelectric generating set, which comprises an assembly box body, wherein a first hydraulic cylinder is arranged on the inner bottom wall of the assembly box body, a first hydraulic rod is arranged on the first hydraulic cylinder, a placement platform is arranged on the first hydraulic rod, a plurality of groups of sliding fixing assemblies are arranged around the first hydraulic cylinder in the assembly box body, each sliding fixing assembly comprises a fixing rod fixed on the bottom wall of the assembly box body, sliding grooves are symmetrically formed in two outer side walls of each fixing rod, sliding blocks are arranged on the sliding grooves, when the hydroelectric generating set is larger than the placement platform in use, the position of a convex receiving block is adjusted by sliding the sliding blocks on the sliding grooves until the convex receiving block is stopped when the abutting plate is contacted with the surface of the hydroelectric generating set, if the hydroelectric generating set is smaller than the placement platform, the convex receiving plate extends below the placement platform, the part of the placement platform larger than the electric generating set can be placed at a groove between the abutting plate and the convex receiving plate, and the hydroelectric generating set is tightly attached to the surface of the abutting plate.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a damping device of a hydraulic generator set.
Background
The hydroelectric generating set is also called a 'hydroelectric generating set', and a generating unit formed by combining each water turbine on the hydroelectric generating station with a matched generator is main power equipment for generating electric energy of the hydroelectric generating station.
The Chinese patent discloses a hydroelectric generating set damping device (grant bulletin number is CN 214366515U) for hydraulic engineering, and the technology of the patent absorbs vibration through water in the vibration absorbing cavity and sand in the vibration absorbing cavity, so that the size of vibration transmitted outwards is reduced, the influence of vibration on a dam body is reduced, and meanwhile, noise generated during working is reduced, but the device can only fix a generator set with a fixed size, and the limitation is larger. Accordingly, a damping device for a hydroelectric generating set is provided by a person skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a damping device of a hydroelectric generating set, which comprises an assembly box body, wherein a first hydraulic cylinder is arranged on the inner bottom wall of the assembly box body, a first hydraulic rod is arranged on the first hydraulic cylinder, a placing platform is arranged on the first hydraulic rod, a plurality of groups of sliding fixing assemblies are arranged around the first hydraulic cylinder in the assembly box body, each sliding fixing assembly comprises a fixing rod fixed on the bottom wall of the assembly box body, sliding grooves are symmetrically formed in the two outer side walls of the fixing rod, and sliding blocks are arranged on the sliding grooves.
Preferably: the top of sliding block is equipped with the second hydraulic pressure section of thick bamboo, the top of second hydraulic pressure section of thick bamboo is equipped with the second hydraulic pressure pole, the top of second hydraulic pressure pole is equipped with the convex and holds the piece, and first hydraulic pressure pole stretches back rapidly after the hydraulic pressure shrink in to first hydraulic pressure section of thick bamboo when producing vibrations to reach the shock attenuation.
Preferably: the top of convex joint piece is equipped with fixed riser, be equipped with multiunit conflict spring on the fixed riser, the end of conflict spring is fixed with the butt board, thereby butt board and the surperficial in close contact of group of motors, conflict spring shrink when producing vibrations, thereby produce thrust when contracting and promote the butt board when will restoring the original state and reach the shock attenuation purpose.
Preferably: and the motor group body is placed on the placement platform.
Preferably: the upper surface of the protruding part of the convex bearing block is flush with the lower surface of the placing platform, and the protruding part of the convex bearing block can be placed at the bottom of the placing platform when the motor group is smaller than the Yu Fangzhi platform.
Preferably: the protruding portion of the convex bearing block does not interfere with the first hydraulic rod when the sliding block slides to the tail end of the sliding chute, and the convex bearing blocks in the sliding fixing assemblies distributed around the first hydraulic cylinder do not interfere with each other, so that the problem that the four-side sliding fixing assemblies cannot be fixed due to interference when the motor group is small is avoided.
Preferably: the assembly box is characterized in that a fixing plate is arranged on the side wall, close to the bottom, of the assembly box body, a fixing threaded hole is formed in the fixing plate, the device can be more conveniently fixed through the fixing threaded hole in the fixing plate, and the device is more convenient to detach after the device is fixed.
The utility model has the technical effects and advantages that:
1. when the motor unit is used, if the motor unit is larger than the placing platform, the position of the convex receiving block is adjusted by sliding the sliding block on the sliding groove until the abutting plate is in contact with the surface of the motor unit, if the motor unit is smaller than the placing platform, the convex part of the convex receiving plate stretches into the lower part of the placing platform, the part of the placing platform larger than the motor unit can be placed at the groove between the abutting plate and the convex receiving plate, and the motor unit is tightly attached to the surface of the abutting plate, so that the motor units with different sizes can be fixed.
2. When vibration from top to bottom exists, first hydraulic stem and second hydraulic stem are synchronous to stretch back after contracting in first hydraulic cylinder and the second hydraulic cylinder, reach shock attenuation effect through hydraulic pressure effect, when vibration from front to back or from side to side, the conflict spring of vibrations direction is contracted after being extruded, returns to original state when contracting and produces thrust to this shock attenuation.
Drawings
Fig. 1 is a schematic diagram of an external structure of a damping device of a hydroelectric generating set according to an embodiment of the present application;
fig. 2 is a schematic diagram of a lower view structure of a damping device of a hydroelectric generating set according to an embodiment of the present application;
FIG. 3 is a schematic perspective view of the section A-A of FIG. 2 according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of fig. 2 at B-B according to an embodiment of the present application.
In the figure: 1. assembling a box body; 2. a first hydraulic cylinder; 3. a first hydraulic lever; 4. placing a platform; 5. a fixed rod; 6. a chute; 7. a sliding block; 8. a second hydraulic cylinder; 9. a second hydraulic lever; 10. a male receiving block; 11. fixing a vertical plate; 12. a contact spring; 13. an abutting plate; 14. a motor group; 15. a fixing plate; 16. and fixing the threaded holes.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 4, in this embodiment, a damping device for a hydroelectric generating set is provided, including an assembly box 1, a first hydraulic cylinder 2 is disposed on an inner bottom wall of the assembly box 1, a first hydraulic rod 3 is disposed on the first hydraulic cylinder 2, a placement platform 4 is disposed on the first hydraulic rod 3, multiple groups of sliding fixing components are disposed around the first hydraulic cylinder 2 inside the assembly box 1, the sliding fixing components include a fixing rod 5 fixed on the bottom wall of the assembly box 1, sliding grooves 6 are symmetrically disposed on two outer side walls of the fixing rod 5, and sliding blocks 7 are disposed on the sliding grooves 6.
The top of sliding block 7 is equipped with second hydraulic pressure section of thick bamboo 8, and the top of second hydraulic pressure section of thick bamboo 8 is equipped with second hydraulic pressure pole 9, and the top of second hydraulic pressure pole 9 is equipped with convex and holds the piece 10, and first hydraulic pressure pole 3 stretches back rapidly after the hydraulic pressure shrink in first hydraulic pressure section of thick bamboo 2 when producing vibrations to reach the shock attenuation.
The top of the convex bearing block 10 is provided with a fixed vertical plate 11, a plurality of groups of abutting springs 12 are arranged on the fixed vertical plate 11, the tail ends of the abutting springs 12 are fixedly provided with abutting plates 13, the abutting plates 13 are in tight contact with the surface of a motor unit 14, when the abutting springs 12 shrink when vibration occurs, thrust is generated when the springs shrink, and the abutting plates 13 are pushed by thrust when the springs shrink, so that the purpose of shock absorption is achieved.
The motor group 14 is placed on the placement platform 4.
The upper surface of the protruding portion of the male reception block 10 is flush with the lower surface of the placement platform 4, and the protruding portion of the male reception block 10 may be placed at the bottom of the placement platform 4 when the motor group 14 is smaller than the placement platform 4.
The protruding part of the convex bearing block 10 does not interfere with the first hydraulic rod 3 when the sliding block 7 slides to the tail end of the sliding chute 6, and the convex bearing blocks 10 in the sliding fixing assemblies distributed around the first hydraulic cylinder 2 do not interfere with each other, so that the problem that the four-side sliding fixing assemblies cannot be fixed due to interference when the motor unit 14 is smaller is avoided.
The side wall of the assembly box body 1, which is close to the bottom, is provided with the fixing plate 15, the fixing plate 15 is provided with the fixing threaded hole 16, the device can be more conveniently fixed through the fixing threaded hole 16 on the fixing plate 15, and the device can be more conveniently detached after being fixed.
The working principle of the utility model is as follows:
when the motor unit 14 is larger than the placing platform 4, the sliding block 7 slides on the chute 6 until the abutting plate 13 on the peripheral sliding fixing component is tightly attached to the surface of the motor unit 14, then the sliding block 7 is fixed, if the motor unit 14 is smaller than the placing platform 4, the sliding block 7 approaches to the placing platform 4, the convex bearing block 10 slides to the bottom of the placing platform 4, the placing platform 4 enters into the groove between the abutting plate 13 and the convex bearing block 10, until the surface of the motor unit 14 is tightly attached to the surface of the abutting plate 13, then the sliding is stopped, if vibration is generated, the first hydraulic rod 3 and the second hydraulic rod 9 simultaneously shrink towards the inner sides of the first hydraulic cylinder 2 and the second hydraulic cylinder 8, and then the first hydraulic rod and the second hydraulic rod immediately stretch back after shrinking, so that the vibration is absorbed, the abutting spring 12 in the vibration direction is shrunk, and the thrust generated by the recovery is pushed by the abutting plate 13 so that the force generated by the restoration is offset to achieve the vibration absorption purpose.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (7)
1. The utility model provides a hydroelectric generating set damping device, includes assembly box (1), its characterized in that: be equipped with first hydraulic cylinder (2) on the inside diapire of assembly box (1), be equipped with first hydraulic stem (3) on first hydraulic cylinder (2), be equipped with on first hydraulic stem (3) place platform (4), be equipped with multiunit slip fixed subassembly around being located first hydraulic cylinder (2) inside assembly box (1), slip fixed subassembly is including being fixed in dead lever (5) on the assembly box (1) diapire, spout (6) have been seted up to symmetry on the two lateral walls of dead lever (5), be equipped with sliding block (7) on spout (6).
2. The hydroelectric generating set damping device according to claim 1, wherein: the top of sliding block (7) is equipped with second hydraulic pressure section of thick bamboo (8), the top of second hydraulic pressure section of thick bamboo (8) is equipped with second hydraulic stem (9), the top of second hydraulic stem (9) is equipped with convex grafting piece (10).
3. The hydroelectric generating set damping device according to claim 2, wherein: the top of the convex bearing block (10) is provided with a fixed vertical plate (11), a plurality of groups of abutting springs (12) are arranged on the fixed vertical plate (11), and the tail ends of the abutting springs (12) are fixedly provided with abutting plates (13).
4. The hydroelectric generating set damping device according to claim 1, wherein: and a motor group (14) is arranged on the placing platform (4).
5. A hydroelectric generating set damping device according to claim 3, wherein: the upper surface of the protruding part of the convex bearing block (10) is flush with the lower surface of the placing platform (4).
6. The hydroelectric generating set damping device according to claim 5, wherein: the protruding part of the convex bearing block (10) does not interfere with the first hydraulic rod (3) when the sliding block (7) slides to the tail end of the sliding groove (6), and the convex bearing blocks (10) in the sliding fixing assembly distributed around the first hydraulic cylinder (2) do not interfere with each other.
7. The hydroelectric generating set damping device according to claim 6, wherein:
the side wall, close to the bottom, of the assembly box body (1) is provided with a fixing plate (15), and the fixing plate (15) is provided with a fixing threaded hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042185.XU CN220286818U (en) | 2023-08-01 | 2023-08-01 | Damping device for hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042185.XU CN220286818U (en) | 2023-08-01 | 2023-08-01 | Damping device for hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286818U true CN220286818U (en) | 2024-01-02 |
Family
ID=89344336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322042185.XU Active CN220286818U (en) | 2023-08-01 | 2023-08-01 | Damping device for hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286818U (en) |
-
2023
- 2023-08-01 CN CN202322042185.XU patent/CN220286818U/en active Active
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