CN219711709U - Mounting bracket for runout measuring probe of hydroelectric generating set - Google Patents
Mounting bracket for runout measuring probe of hydroelectric generating set Download PDFInfo
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- CN219711709U CN219711709U CN202320759969.1U CN202320759969U CN219711709U CN 219711709 U CN219711709 U CN 219711709U CN 202320759969 U CN202320759969 U CN 202320759969U CN 219711709 U CN219711709 U CN 219711709U
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- vibration isolator
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- measuring probe
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- 239000000523 sample Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model belongs to the technical field of probe installation, and discloses an installation bracket for a runout measuring probe of a hydroelectric generating set, which comprises an L-shaped fixing bracket for fixing the probe, an adjusting bracket and a vibration isolator; the L-shaped fixing frame is arranged at the end part of the adjusting frame; the vibration isolator is arranged at the bottom of the adjusting frame; the vibration isolator comprises a bottom plate and a mounting plate, and a plurality of steel wire ropes wound between the bottom plate and the mounting plate. According to the utility model, the vibration isolator is arranged between the adjusting frame and the water turbine generator set, and the vibration isolator adopts the plurality of steel wire ropes as elastic elements, so that the vibration isolator has obvious hysteresis characteristics, and the energy dissipation of the vibration isolator is derived from friction, extrusion and sliding among steel wires, so that the vibration isolator has a good vibration isolation effect, and the influence of the vibration of the water turbine generator set body on the detection precision of the probe can be reduced; meanwhile, the bottom of the vibration isolator is provided with the electro-permanent magnet, and the adjustment of the installation position of the probe is greatly facilitated.
Description
Technical Field
The utility model relates to the technical field of probe installation, in particular to an installation support for a runout measuring probe of a hydroelectric generating set.
Background
The hydroelectric generating set is required to measure the swing degree of the set in the processes of installation, disassembly and operation, and the swing amplitude of the hydroelectric generating set is the premise of ensuring the safe and stable operation of the set in a specified range, so that a swing degree measuring sensor is required to be installed on the large shaft position of the water turbine, and meanwhile swing degree data of the large shaft of the water turbine are acquired, so that the swing condition of the water turbine is conveniently evaluated. The yaw sensor (i.e., the runout measuring probe) is typically mounted to the turbine unit by a special mounting bracket. Such as: the prior patent with publication number of CN103162814A discloses a sensor mounting bracket of a vibration balance monitor, the bracket is of an L-shaped structure, a mounting hole is formed in a bottom plate of the bracket, a fixed bolt groove is formed in a vertical plate of the bracket, the bracket does not influence the installation of a balance sensor under the operation of other equipment, the cost is low, and the accuracy and the stability of the position of the sensor are ensured.
Although the existing swing degree sensor mounting bracket can realize stable mounting of the swing degree sensor, the body of the water turbine generator set vibrates, and the swing degree sensor can be influenced by the vibration of the water turbine generator set body after being mounted through the L-shaped bracket, so that accuracy of detecting swing degree data of a large shaft of the water turbine by the sensor is influenced; in addition, the existing L-shaped bracket is fixedly installed through bolts, so that the problem that the installation position is inconvenient to adjust, and the installation is required to be detached and reinstalled during adjustment and the operation is troublesome exists.
Disclosure of Invention
The utility model aims to solve the technical problems existing in the prior art. Therefore, the mounting bracket for the runout measuring probe of the water turbine generator set is convenient to mount and adjust, and the influence of vibration of the water turbine generator set body on the detection precision of the transmission probe can be reduced.
The technical scheme adopted for solving the technical problems is as follows:
the mounting bracket for the runout measuring probe of the hydroelectric generating set comprises an L-shaped fixing frame for fixing the probe, an adjusting frame and a vibration isolator; the L-shaped fixing frame is arranged at the end part of the adjusting frame; the vibration isolator is arranged at the bottom of the adjusting frame; the vibration isolator comprises a bottom plate and a mounting plate, and a plurality of steel wire ropes wound between the bottom plate and the mounting plate.
In a preferred embodiment of the utility model, the steel wire rope is formed by winding a plurality of stainless steel wires according to a certain direction.
In a preferred embodiment of the utility model, a mounting cavity is arranged at the bottom of the bottom plate, and an electro-permanent magnet is fixedly arranged in the mounting cavity.
In a preferred embodiment of the present utility model, the electro-permanent magnet exposes the bottom plate, and a buffer gasket is further disposed on the bottom surface of the bottom plate.
In a preferred embodiment of the utility model, the adjusting frame comprises angle steel and a Z-shaped bracket, wherein a plurality of waist-shaped holes are formed in the angle steel along the length direction of the angle steel, the top of the Z-shaped bracket is fixedly arranged in the waist-shaped holes through bolts, and the bottom of the Z-shaped bracket is fixedly connected with the mounting plate of the vibration isolator through bolts.
In a preferred embodiment of the present utility model, the Z-shaped brackets are provided with 2Z-shaped brackets, the heights of the 2Z-shaped brackets are the same or different, and the vibration isolators are mounted at the bottoms of the 2Z-shaped brackets.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the L-shaped fixing frame for fixing the probe is arranged on the adjusting frame, and the vibration isolator is arranged between the adjusting frame and the water turbine generator set, and the vibration isolator adopts a plurality of steel wire ropes as elastic elements, so that the vibration isolator has obvious hysteresis characteristics, and the energy dissipation of the vibration isolator is derived from friction, extrusion and sliding among steel wires, so that the vibration isolator has a good vibration isolation effect, and the influence of the vibration of the water turbine generator set body on the detection precision of the probe can be reduced;
2. the bottom of the vibration isolator is provided with an electro-permanent magnet which is attracted with the water turbine generator set body, and the electro-permanent magnet is used for only using electric energy within 0.1-1 second of magnetizing and demagnetizing, so that the energy consumption is extremely low, and the adjustment of the installation position of the probe is greatly facilitated;
3. the Z-shaped support of the adjusting frame is convenient to adjust according to the installation position, and is convenient to adjust.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of the mounting bracket provided by the utility model on a hydroelectric generating set;
FIG. 2 is a schematic view of the structure of the mounting bracket provided by the utility model;
figure 3 is a schematic view of the structure of the vibration isolator provided in figure 2;
fig. 4 is a top view of the vibration isolator provided in fig. 3.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 2, this embodiment provides a mounting bracket for a runout measuring probe of a hydroelectric generating set, which includes an L-shaped fixing frame 1 for fixing the probe, an adjusting frame 2 and a vibration isolator 3. The L-shaped fixing frame 1 is arranged at the end part of the adjusting frame 2; the vibration isolator 3 is arranged at the bottom of the adjusting frame 2, and the vibration isolator 3 is arranged on the water turbine unit body 100 at the outer side of the large shaft 100.1 of the water turbine and is used for dissipating vibration energy generated by the water turbine unit body so as to achieve the purpose of vibration isolation.
As shown in fig. 3 and 4, the vibration isolator 3 in this embodiment includes a base plate 3.1 and a mounting plate 3.3, and a plurality of wire ropes 3.2 wound between the base plate and the mounting plate; specifically, the steel wire rope 3.2 is formed by winding a plurality of stainless steel wires according to a certain direction. The vibration isolator 3 in this embodiment adopts a plurality of steel wire ropes as elastic elements, so that the vibration isolator has obvious hysteresis characteristics, and energy dissipation of the vibration isolator is derived from friction, extrusion and sliding among steel wires, so that the vibration isolator has a good vibration isolation effect, and the influence of vibration of a water turbine generator set body on the detection precision of a probe can be reduced.
Example two
On the basis of the first embodiment, as shown in fig. 3, a mounting cavity is formed at the bottom of the bottom plate 3.1 in the embodiment, and an electro-permanent magnet 4 is fixedly mounted in the mounting cavity. The vibration isolator is attracted with the water turbine generator set body through the electro-permanent magnet, and the electro-permanent magnet is used for only using electric energy within 0.1-1 second of magnetizing and demagnetizing, so that the energy consumption is extremely low, and the adjustment of the installation position of the probe is greatly facilitated.
Preferably, the electro-permanent magnet 4 in this embodiment exposes the bottom plate 3.1, and a buffer washer 5 is further disposed on the bottom surface of the bottom plate 3.1.
Example III
On the basis of the first embodiment or the second embodiment, as shown in fig. 2, the adjusting frame 2 in this embodiment includes an angle steel 2.1 and a Z-shaped bracket 2.2, a plurality of waist-shaped holes (not shown in the figure) are formed in the angle steel 2.1 along the length direction of the angle steel, the top of the Z-shaped bracket 2.2 is fixedly mounted in the waist-shaped holes through bolts, the position of the Z-shaped bracket can be adjusted at will within the length range of the waist-shaped holes, and the adjustment of the mounting position of the Z-shaped bracket on the hydroelectric generating set body is satisfied, and the bottom of the Z-shaped bracket 2.2 is fixedly connected with the mounting plate 3.3 of the vibration isolator 3 through bolts.
Preferably, 2Z-shaped brackets 2.2 in the present embodiment are provided, the heights of 2Z-shaped brackets 2.2 are the same or different, and the vibration isolators 3 are mounted at the bottoms of 2Z-shaped brackets 2.2. When the mounting positions are selected to be at the same height, 2Z-shaped brackets are selected to be at the same height; when the mounting positions are selected at different heights, as shown in fig. 1, 2 of the Z-brackets are selected at different heights.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a hydroelectric set runout is installing support for measuring probe, includes the L type mount that is used for fixed probe; the method is characterized in that: the device also comprises an adjusting frame and a vibration isolator;
the L-shaped fixing frame is arranged at the end part of the adjusting frame;
the vibration isolator is arranged at the bottom of the adjusting frame;
the vibration isolator comprises a bottom plate and a mounting plate, and a plurality of steel wire ropes wound between the bottom plate and the mounting plate.
2. The mounting bracket for a runout measuring probe of a hydroelectric generating set according to claim 1, wherein: the steel wire rope is formed by winding a plurality of stainless steel wires according to a certain direction.
3. The mounting bracket for a runout measuring probe of a hydroelectric generating set according to claim 1, wherein: the bottom of the bottom plate is provided with an installation cavity, and an electric permanent magnet is fixedly installed in the installation cavity.
4. The mounting bracket for a runout measuring probe of a hydroelectric generating set according to claim 3, wherein: the electro-permanent magnet is exposed out of the bottom plate, and a buffer gasket is further arranged on the bottom surface of the bottom plate.
5. The mounting bracket for a runout measuring probe of a hydroelectric generating set according to any one of claims 1 to 4, wherein: the adjusting frame comprises angle steel and a Z-shaped bracket, a plurality of waist-shaped holes are formed in the angle steel along the length direction of the angle steel, the top of the Z-shaped bracket is fixedly mounted in the waist-shaped holes through bolts, and the bottom of the Z-shaped bracket is fixedly connected with a mounting plate of the vibration isolator through bolts.
6. The mounting bracket for a runout measuring probe of a hydroelectric generating set according to claim 5, wherein: the Z-shaped brackets are provided with 2, the heights of the 2Z-shaped brackets are the same or different, and the vibration isolators are arranged at the bottoms of the 2Z-shaped brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320759969.1U CN219711709U (en) | 2023-04-07 | 2023-04-07 | Mounting bracket for runout measuring probe of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320759969.1U CN219711709U (en) | 2023-04-07 | 2023-04-07 | Mounting bracket for runout measuring probe of hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711709U true CN219711709U (en) | 2023-09-19 |
Family
ID=87996101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320759969.1U Active CN219711709U (en) | 2023-04-07 | 2023-04-07 | Mounting bracket for runout measuring probe of hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711709U (en) |
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2023
- 2023-04-07 CN CN202320759969.1U patent/CN219711709U/en active Active
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