CN219935163U - Installation device for efficiency test of large impact type unit - Google Patents
Installation device for efficiency test of large impact type unit Download PDFInfo
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- CN219935163U CN219935163U CN202320805932.8U CN202320805932U CN219935163U CN 219935163 U CN219935163 U CN 219935163U CN 202320805932 U CN202320805932 U CN 202320805932U CN 219935163 U CN219935163 U CN 219935163U
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- pressure side
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- 238000009434 installation Methods 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a device for testing the efficiency of a large impact type unit, which comprises a measuring device arranged on a high-pressure side pipeline and a low-pressure side pipeline, wherein the measuring device is fixedly connected with the high-pressure side pipeline and the low-pressure side pipeline through flanges; be equipped with gliding installation body in the ring flange among the measuring device, be equipped with a plurality of sensor mounting holes in the installation body, installation body both sides are equipped with the arc locking plate, and the arc locking plate of both sides passes through the bolt fastening and presss from both sides tightly on the installation body, and the arc locking plate bottom passes through the bolt fastening on the ring flange, is equipped with L type sealing washer between arc locking plate and installation body and the ring flange. Can guarantee the sealed installation of sensor through arc jam plate and L type sealing washer, can also slide simultaneously and adjust the installation height to adjust the probe height of sensor, make the sensor submergence measure relevant parameter in the liquid, install and dismantle simple and convenient, can repeatedly use in hydropower station when different impact.
Description
Technical Field
The utility model relates to the field of efficiency test of water turbines, in particular to a device for installing efficiency test of a large impact type unit.
Background
The efficiency of the water turbine is one of important technical indexes of the hydropower station, and the existing test method at present needs to be perforated and installed in advance during construction if based on an ultrasonic test method, so that the construction engineering quantity is large, and the measurement accuracy is general; the on-site installation engineering amount is large based on the flow meter testing technology, the operation is complex, and meanwhile, the process of calculating the efficiency of the water turbine is relatively complex; the pressure time method-based test technology has the limitation that the installation requirement on the pipeline section is high, and the repeated load shedding performed on site can influence the performance of the unit; the existing thermodynamic method-based test technology is not applied enough on a large-scale impulse turbine, meanwhile, the on-site installation and arrangement measuring device is complex in structure, relatively complex in operation, difficult to guarantee the heat insulation effect, relatively high in process cost and capable of affecting test results.
Disclosure of Invention
The utility model mainly aims to provide a mounting device for testing the efficiency of a large impact type unit, which solves the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme: the device comprises a measuring device which is arranged on a high-pressure side pipeline and a low-pressure side pipeline, and the measuring device is fixedly connected with the high-pressure side pipeline and the low-pressure side pipeline through flanges;
be equipped with gliding installation body in the ring flange among the measuring device, be equipped with a plurality of sensor mounting holes in the installation body, installation body both sides are equipped with the arc locking plate, and the arc locking plate of both sides passes through the bolt fastening and presss from both sides tightly on the installation body, and the arc locking plate bottom passes through the bolt fastening on the ring flange, is equipped with L type sealing washer between arc locking plate and installation body and the ring flange.
Preferably, the middle part of the flange plate is provided with a mounting hole, and the mounting body is propped against the mounting hole to slide, so that the height of the fixed sensor probe is adjusted.
Preferably, a temperature sensor, a pressure sensor and a flow sensor are arranged on the sensor mounting hole, and the sensor is arranged on the mounting hole in a sealing way through a flange or threads;
the sensor probe of each sensor extends through the mounting body so that the probe of the sensor is in contact with the liquid in the pipe for measurement.
Preferably, the two ends of the arc-shaped locking plates are provided with connecting lugs, the spliced inner profile of the two arc-shaped locking plates is matched with the outer profile of the installation body, and the connecting lugs of the two arc-shaped locking plates are connected through bolts;
the L-shaped sealing ring between the arc-shaped locking plate and the installation body is tightly pressed by the bolt to form a seal.
Preferably, the outer side of the arc-shaped lock plate is fixedly provided with a plurality of lock lugs, the lock lugs are provided with through grooves, the flange plate is fixedly provided with a screw rod corresponding to the lock lugs, and the screw rod penetrates through the grooves and is screwed by nuts so as to fix the lock lugs;
the L-shaped sealing ring between the arc-shaped locking plate and the flange plate is tightly pressed by the screw nut to form sealing.
The utility model provides a mounting device for testing the efficiency of a large impact type unit, which is characterized in that a measuring device is mounted on a pipeline, so that the relevant parameters of a high-pressure end and a low-pressure end are measured, the field efficiency of a water turbine is obtained, the measuring device can mount each sensor, the sealing mounting of the sensor can be ensured through an arc-shaped locking plate and an L-shaped sealing ring, and meanwhile, the mounting height can be slidably adjusted, so that the height of a probe of the sensor is adjusted, the sensor can be immersed in liquid to measure the relevant parameters, the mounting and the dismounting are simple and convenient, and the hydropower station can be repeatedly used in different impacts.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of a test setup of the present utility model;
FIG. 2 is a top view of the measuring device of the present utility model;
FIG. 3 is a cross-sectional view of the utility model A-A;
FIG. 4 is an exploded view of the arcuate lock plate and mounting body of the present utility model;
in the figure: a high-pressure side pipe 1; a low pressure side pipe 2; a measuring device 3; a flange 301; an arcuate lock plate 302; a mounting body 303; a sensor mounting hole 304; an L-shaped seal ring 305; a sensor probe 306; a connecting lug 307; a locking lug 308.
Detailed Description
Example 1
As shown in fig. 1-4, an installation device for testing efficiency of a large impact type unit comprises a measuring device 3 installed on a high-pressure side pipeline 1 and a low-pressure side pipeline 2, wherein the measuring device 3 is fixedly connected with the high-pressure side pipeline 1 and the low-pressure side pipeline 2 through flanges;
the flange 301 in the measuring device 3 is internally provided with a sliding installation body 303, a plurality of sensor installation holes 304 are formed in the installation body 303, two sides of the installation body 303 are provided with arc-shaped locking plates 302, the arc-shaped locking plates 302 on two sides are fixedly clamped on the installation body 303 through bolts, the bottoms of the arc-shaped locking plates 302 are fixedly arranged on the flange 301 through bolts, and an L-shaped sealing ring 305 is arranged between the arc-shaped locking plates 302 and the installation body 303 and between the arc-shaped locking plates and the flange 301. According to the structure, the flange plates are welded on the high-pressure side pipeline 1 and the low-pressure side pipeline 2 in a drilling mode, so that the measuring device 3 is fixed through flange connection, the sensors are installed on the measuring device 3, the sensors are inserted into the pipeline, various parameters of liquid in the pipeline are measured, and therefore the efficiency of the water turbine is calculated and obtained. The sensor is installed in the sensor mounting hole 304 of arc locking plate 302, and installation body 303 locks on ring flange 301 through two arc locking plates 302 to can guarantee the seal of arc locking plate 302, ring flange 301 and installation body 303 three through L type sealing washer 305, guarantee the leakproofness of pipeline, improve sensor measurement accuracy.
Preferably, a mounting hole is formed in the middle of the flange 301, and the mounting body 303 abuts against the mounting hole to slide, so that the height of the fixed sensor probe is adjusted. With the structure, the outer contour of the installation body 303 is matched with the installation hole, the installation body 303 is propped against the installation hole to be slidably adjusted, so that the sensor probe can be positioned below the liquid level of the pipeline, and the accuracy of measuring parameters is ensured.
Preferably, the sensor mounting hole 304 is provided with a temperature sensor, a pressure sensor and a flow sensor, and the sensor is mounted on the mounting hole 304 through a flange or a thread seal;
the sensor probe 306 of each sensor extends through the mounting body 303 so that the probe of the sensor is in contact with the liquid in the pipe for measurement. With this configuration, the connection structure of the sensor mounting hole 304 is provided in accordance with the mounting structure of each sensor.
Preferably, connecting lugs 307 are arranged at two ends of the arc-shaped locking plates 302, the spliced inner contour of the two arc-shaped locking plates 302 is matched with the outer contour of the mounting body 303, and the connecting lugs 307 of the two arc-shaped locking plates 302 are connected through bolts;
the bolt is screwed tightly, so that the L-shaped sealing ring 305 between the arc-shaped locking plate 302 and the mounting body 303 is pressed tightly to form a seal. With this structure, the L-shaped seal ring 305 is attached to the outer side of the mounting body 303, so that the L-shaped seal ring 305 is pressed to form a seal while the mounting body 303 is clamped by the arc-shaped lock plate 302.
Preferably, a plurality of locking lugs 308 are fixedly arranged on the outer side of the arc-shaped locking plate 302, through grooves are formed in the locking lugs 308, screw rods corresponding to the locking lugs 308 are fixedly arranged on the flange 301, and the screw rods penetrate through the through grooves and are screwed through nuts so as to fix the locking lugs 308;
the nut is screwed tightly, so that the L-shaped sealing ring 305 between the arc-shaped locking plate 302 and the flange 301 is compressed to form a seal. With this structure, the end face of the L-shaped sealing ring 305 abuts against the flange 301, so that the L-shaped sealing ring 305 is pressed to form a seal while being locked on the flange 301 by the arc-shaped locking plate 302.
The pressure, the temperature and the flow of the high-pressure end water body are measured, so that corresponding unit mechanical energy is obtained, and the water body parameter of the tail water section of the low-pressure end is measured, so that corresponding unit water energy is obtained; the parameters are transmitted to a data acquisition and analysis system, so that the on-site real-time efficiency of the water turbine can be calculated.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (5)
1. The utility model provides a large-scale impact type unit efficiency test's installation device which characterized by: the device comprises a measuring device (3) arranged on a high-pressure side pipeline (1) and a low-pressure side pipeline (2), wherein the measuring device (3) is fixedly connected with the high-pressure side pipeline (1) and the low-pressure side pipeline (2) through flanges;
be equipped with gliding installation body (303) in ring flange (301) among measuring device (3), be equipped with a plurality of sensor mounting holes (304) in installation body (303), installation body (303) both sides are equipped with arc locking plate (302), arc locking plate (302) of both sides pass through bolt fastening on installation body (303), arc locking plate (302) bottom passes through bolt fastening on ring flange (301), be equipped with L type sealing washer (305) between arc locking plate (302) and installation body (303) and ring flange (301).
2. The installation device for testing the efficiency of a large impact type unit according to claim 1, wherein: the middle part of the flange plate (301) is provided with a mounting hole, and the mounting body (303) is propped against the mounting hole to slide, so that the height of the fixed sensor probe is adjusted.
3. The installation device for testing the efficiency of a large impact type unit according to claim 1, wherein: a temperature sensor, a pressure sensor and a flow sensor are arranged on the sensor mounting hole (304), and the sensor is arranged on the mounting hole (304) in a sealing way through a flange or threads;
a sensor probe (306) of each sensor extends through the mounting body (303) to bring the probe of the sensor into contact with the liquid in the pipe for measurement.
4. The installation device for testing the efficiency of a large impact type unit according to claim 1, wherein: connecting lugs (307) are arranged at two ends of the arc-shaped locking plates (302), the spliced inner outline of the two arc-shaped locking plates (302) is matched with the outer outline of the installation body (303), and the connecting lugs (307) of the two arc-shaped locking plates (302) are connected through bolts;
the arc-shaped lock plate (302) and the L-shaped sealing ring (305) between the installation body (303) are tightly pressed by the bolts to form a seal.
5. The installation device for testing the efficiency of a large impact type unit according to claim 1, wherein: a plurality of lock lugs (308) are fixedly arranged on the outer side of the arc-shaped lock plate (302), through grooves are formed in the lock lugs (308), screw rods corresponding to the lock lugs (308) are fixedly arranged on the flange plate (301), and the screw rods penetrate through the grooves and are screwed through nuts so as to fix the lock lugs (308);
the nut is screwed tightly, so that an L-shaped sealing ring (305) between the arc-shaped locking plate (302) and the flange plate (301) is compressed tightly to form a seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320805932.8U CN219935163U (en) | 2023-04-12 | 2023-04-12 | Installation device for efficiency test of large impact type unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320805932.8U CN219935163U (en) | 2023-04-12 | 2023-04-12 | Installation device for efficiency test of large impact type unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935163U true CN219935163U (en) | 2023-10-31 |
Family
ID=88498464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320805932.8U Active CN219935163U (en) | 2023-04-12 | 2023-04-12 | Installation device for efficiency test of large impact type unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935163U (en) |
-
2023
- 2023-04-12 CN CN202320805932.8U patent/CN219935163U/en active Active
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