CN203098311U - Precise closed-type test pipeline of water pump test stand - Google Patents
Precise closed-type test pipeline of water pump test stand Download PDFInfo
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- CN203098311U CN203098311U CN 201320104433 CN201320104433U CN203098311U CN 203098311 U CN203098311 U CN 203098311U CN 201320104433 CN201320104433 CN 201320104433 CN 201320104433 U CN201320104433 U CN 201320104433U CN 203098311 U CN203098311 U CN 203098311U
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Abstract
The utility model provides a precise closed-type test pipeline of a water pump test stand. The test pipeline comprises a horizontal-type steady flow tank, a flow collecting barrel and a test platform. The horizontal-type steady flow tank is connected with the flow collecting barrel through a plurality of flow metering pipelines which are in parallel connection, the horizontal-type steady flow tank is connected with one end of a first pump outlet test pipeline, the upper end of the horizontal-type steady flow tank is connected with one end of a second pump outlet test pipeline, the flow collecting barrel is connected with one end of a water inlet pipeline, and the other end of the first pump outlet test pipeline, the other end of the second pump outlet test pipeline and the other end of the water inlet pipeline are all located above the test platform. The test pipeline has the advantages that parameters of the same water pump with different pipe diameters can be tested, a test device is needless to be replaced, operation is easy, convenient and quick, utilization is convenient, test cost is low, test time is saved, work efficiency is improved, performance of an end suction pump can be tested, meanwhile performance of an axially split pump can be tested, and additionally the test pipeline is concise and compact in structure, low in manufacturing cost and easy and convenient to use.
Description
Technical field
The utility model relates to a kind of test pumping installations, the accurate enclosed test of especially a kind of test installation of pump pipeline.
Background technique
End sucking pump and middle-opening pump test generally need test parameter under varying environment.For example: relevant parameter during normal course of operation, in the pipeline of different-diameter.There is following shortcoming in current test pipeline: 1, a kind ofly test the Operational Limits under single environment that pipeline can only be measured pump, if the parameter that need to obtain under more environment need to be changed to different test pipelines, complicated operation is loaded down with trivial details, use inconvenient, testing cost is high, and Renewal process occupies a large amount of time of test; 2, because end sucking pump water outlet makes progress, need to adopt the pipeline different from middle-opening pump to be tested, and the test parameters that existing test pipeline can only be tested the pump of a type can't realize the testing property of different types of water pump, the narrow application range of a test pipeline.A kind of can the test lead sucking pump and the test pipeline of middle-opening pump under varying environment be the emphasis of current those skilled in the art's research.
The model utility content
The purpose of this utility model is to provide the accurate enclosed test of a kind of test installation of pump pipeline, can address the above problem.
The utility model solves the technological scheme that its technical problem adopts: comprise horizontal steady-flow tank, afflux bucket and test platform, between horizontal steady-flow tank and afflux bucket, by several flow measurement pipelines, be connected, in parallel between each flow metering pipeline, horizontal steady-flow tank is connected with an end of the first pump discharge test pipeline, horizontal steady-flow tank upper end is connected with an end of the second pump discharge test pipeline, the afflux bucket is connected with an end of inlet pipeline, and the other end of the first pump discharge test pipeline, the second pump discharge test pipeline and inlet pipeline all is positioned at the test platform top; Mounted valve and measuring device respectively on inlet pipeline, the first pump discharge test pipeline, the second pump discharge test pipeline and several flow measurement pipeline.
In order further to realize the purpose of this utility model, vertical cavitation erosion tank is set on described inlet pipeline, inlet pipeline is comprised of the first water return pipeline and pump water inlet pipeline, inlet pipeline between vertical cavitation erosion tank and afflux bucket is the first water return pipeline, and another section inlet pipeline connected on vertical cavitation erosion tank is the pump water inlet pipeline; On the first water return pipeline, difference mounted valve and measuring device, install and measure device on the pump water inlet pipeline; The second water return pipeline is installed between described afflux bucket and vertical cavitation erosion tank, on the second water return pipeline, suction booster is installed; On described vertical cavitation erosion tank, vacuum pump is installed, steam-water separator is installed on vacuum pump; Described test platform bottom arranges lowering or hoisting gear, and lowering or hoisting gear comprises lifting box, and in lifting box, level is installed the first umbrella gear, at right angle setting the second umbrella gear, the first umbrella gear and the engagement of the second umbrella gear; The first umbrella gear is connected with lifting box by thrust bearing, and the second angular wheel shaft is installed on the second umbrella gear, and the second angular wheel shaft is connected with lifting box by deep groove ball bearing, the second angular wheel shaft one end mounted motor, and motor is positioned at the lifting box outside; The first umbrella gear mounting nuts, vertically arrange leading screw on nut, the leading screw upper end is connected with test platform, and the leading screw lower end coordinates with nut; The lifting box upper end arranges the position-limited lever through hole, and the test platform bottom arranges position-limited lever, and insert in lifting box by the position-limited lever through hole position-limited lever lower end, and the position-limited lever bottom arranges limiting stopper, and the limiting stopper diameter is greater than the position-limited lever through-hole diameter.
The beneficial effects of the utility model are: can test the parameter of same water pump when different tube diameters, without changing testing apparatus, simple and efficient to handle, easy to use, testing cost is low, saves the test time, can increase work efficiency; Both can test lead sucking pump performance also can test the middle-opening pump performance; The utility model also has advantages of compactness simple for structure, cheap for manufacturing cost and easy to use.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation; Fig. 2 is that the A of Fig. 1 is to the structure for amplifying schematic diagram.
Reference character: 1 vertical cavitation pot 2 pump inlet pipeline 3 test platforms 4 are by horizontal steady-flow tank 7 flow measurement pipeline 8 afflux bucket 9 suction booster 10 first water return pipeline 11 second water return pipeline 12 second pump discharge test pipeline 13 vacuum pump 14 steam-water separator 15 leading screw 16 nut 17 first umbrella gear 18 thrust bearing 19 second umbrella gear 20 second angular wheel shaft 21 motor 22 deep groove ball bearing 23 lifting box 24 position-limited lever through hole 25 position-limited lever 26 limiting stoppers of pump testing 5 first pump discharge test pipeline 6.
Embodiment
The accurate enclosed test of a kind of test installation of pump pipeline, as shown in Figure 1, comprise horizontal steady-flow tank 6, afflux bucket 8 and test platform 3, between horizontal steady-flow tank 6 and afflux bucket 8, by several flow measurement pipelines 7, be connected, in parallel between each flow metering pipeline 7, horizontal steady-flow tank 6 is connected with an end of the first pump discharge test pipeline 5, horizontal steady-flow tank 6 upper ends are connected with an end of the second pump discharge test pipeline 12, afflux bucket 8 is connected with an end of inlet pipeline, the first pump discharge test pipeline 5, the other end of the second pump discharge test pipeline 12 and inlet pipeline all is positioned at test platform 3 tops.Mounted valve and measuring device respectively on inlet pipeline, the first pump discharge test pipeline 5, the second pump discharge test pipeline 12 and several flow measurement pipeline 7.The caliber difference of each flow metering pipeline 7.Measuring device comprises inlet pressure sensor, outlet pressure sensor, flowmeter and thermometer.Flowmeter is arranged on each flow measurement pipeline 7, and thermometer and inlet pressure sensor are installed on inlet pipeline, equal installation outlet pressure transducer on the first pump discharge test pipeline 5 and the second pump discharge test pipeline 12.While measuring test, will be connected with inlet pipeline by pump testing 4 water inlets, be connected with the first pump discharge test pipeline 5 or the second pump discharge test pipeline 12 by the water outlet of pump testing 4.
Can carry out cavitation experiment for making to test pipeline, vertical cavitation erosion tank 1 is set on described inlet pipeline, inlet pipeline is comprised of the first water return pipeline 10 and pump water inlet pipeline 2, inlet pipeline between vertical cavitation erosion tank 1 and afflux bucket 8 is the first water return pipeline 10, and another section inlet pipeline connected on vertical cavitation erosion tank 1 is pump water inlet pipeline 2; On the first water return pipeline 10, difference mounted valve and measuring device, install and measure device on pump water inlet pipeline 2.The cut-off device such as valveless on pump water inlet pipeline 2, therefore the pump inlet flow condition is good, the interference of the device that is put to the test is minimum, and the precision of cavitation experiment is high, and favorable repeatability is particularly suitable for the pump of lift lower than the low net positive suction head of ten meters.
For preventing being caused not the test result deviation by pump testing 4 lifts, install between afflux bucket 8 and vertical cavitation erosion tank 1 on the second water return pipeline 11, the second water return pipelines 11 suction booster 9 is installed.When, the valve Close All on the second water return pipeline 11, the valve on the first water return pipeline 10 all being opened during higher than 10 meters by pump testing 4 lifts; When, the valve on the second water return pipeline 11 all being opened during lower than 10 meters by pump testing 4 lifts, the valve Close All on the first water return pipeline 10, enable suction booster 9.Vacuum pump 13 is installed on described vertical cavitation erosion tank 1, steam-water separator 14 is installed on vacuum pump 13.The gas of extracting out due to vacuum pump 13 contains large quantity of moisture, the gas that contains moisture of extraction after steam-water separator 14, carbonated drink separate after gas discharge in atmosphere, water stays that vacuum pump 9 is interior to be used as circulating water.Not only can in dismounting water pump process, without test water, flow out like this, cause unnecessary waste, can give water ring type vacuum pump replenishment cycles water again, guarantee to reach suitable cavitation erosion environment.
For making closely to be connected with the test pipeline by pump testing 4, avoid inconsistent by pump testing 4 water intakes and water outlet height and test pipeline, described test platform 3 bottoms arrange lowering or hoisting gear, lowering or hoisting gear comprises lifting box 23, the interior level of lifting box 23 is installed the first umbrella gear 17, at right angle setting the second umbrella gear 19, the first umbrella gear 17 and the second umbrella gear 19 engagements; The first umbrella gear 17 is connected with lifting box 23 by thrust bearing 18, the second angular wheel shaft 20 is installed on the second umbrella gear 19, the second angular wheel shaft 20 is connected with lifting box 23 by deep groove ball bearing 22, the second angular wheel shaft 20 1 end mounted motors 21, and motor 21 is positioned at lifting box 23 outsides; The first umbrella gear 17 mounting nuts 16, vertically arrange leading screw 15 on nut 16, leading screw 15 upper ends are connected with test platform 3, and leading screw 15 lower ends coordinate with nut 16; Lifting box 23 upper ends arrange position-limited lever through hole 24, and test platform 3 bottoms arrange position-limited lever 25, and insert in lifting box 23 by position-limited lever through hole 24 position-limited lever 25 lower ends, and position-limited lever 25 bottoms arrange limiting stopper 26, and limiting stopper 26 diameters are greater than position-limited lever through hole 24 diameters.
When being made a service test by pump testing 4, water flows out from vertical cavitation pot 1, through pump inlet pipeline 2, enter by pump testing 4, from by pump testing 4, being flowed out by pump discharge test pipeline and enter horizontal steady-flow tank 6, flow out and enter afflux bucket 8 by flow measurement pipeline 7 from horizontal steady-flow tank 6, by afflux bucket 8, get back to vertical cavitation pot 1.When by pump testing 4 being the end sucking pump, close the valve on the first pump discharge test pipeline 5 while making a service test, open and regulate the valve on the second pump discharge test pipeline 12, make flow be risen to 1.32 times of rated flow point at least by the zero delivery point, gather 13 therebetween more than operating point.The start end sucking pump, record each measuring device data; While by pump testing 4, being middle-opening pump, close the valve on the second pump discharge test pipeline 12 while making a service test, open and regulate the valve on the first pump discharge test pipeline 5, make flow be risen to 1.32 times of rated flow point at least by the zero delivery point, gather 13 therebetween more than operating point.Start middle-opening pump, record each measuring device data.
Flow measurement pipeline 7 has five of DN25, DN50, DN100, DN200 and DN300, when needs measure of the change environment, the valve of the flow measurement pipeline 7 of choosing is all opened, and the valve Close All of other flow measurement pipeline 7, realize measuring under varying environment by the purpose of pump testing 4.With the traditional measurement pipeline, compare, situation that can the flexible transformation pipeline, the parameter of different pipelines when conveniently measuring different pumps and normally using, measuring range increases.
When the opposite end sucking pump carries out cavitation experiment, close the valve on the first pump discharge test pipeline 5, open and regulate the valve on the second pump discharge test pipeline 12, make flow reach the rated flow point of end sucking pump, enable vacuum pump 13 and vacuumize, reduce the pressure in pipeline, to reach environment while cavitation phenomenon occurring, keeping flow in process of the test is rated flow, and off-test during end sucking pump generation cavitation, gather 13 therebetween more than operating point.When middle-opening pump is carried out to cavitation experiment, close the valve on the second pump discharge test pipeline 12, open and regulate the valve on the first pump discharge test pipeline 5, make flow reach the rated flow point of end sucking pump, enable vacuum pump 13 and vacuumize, reduce the pressure in pipeline, to reach environment while cavitation phenomenon occurring, keeping flow in process of the test is rated flow, and off-test during middle-opening pump generation cavitation, gather 13 therebetween more than operating point.
Below by reference to the accompanying drawings embodiment of the present utility model is described, but these explanations can not be understood to limit scope of the present utility model, the utility model not technology contents of detailed description is known technology.
Claims (4)
1. the accurate enclosed of test installation of pump is tested pipeline, it is characterized in that: comprise horizontal steady-flow tank (6), afflux bucket (8) and test platform (3), between horizontal steady-flow tank (6) and afflux bucket (8), by several flow measurement pipelines (7), be connected, in parallel between each flow metering pipeline (7), horizontal steady-flow tank (6) is connected with an end of the first pump discharge test pipeline (5), horizontal steady-flow tank (6) upper end is connected with an end of the second pump discharge test pipeline (12), afflux bucket (8) is connected with an end of inlet pipeline, the first pump discharge test pipeline (5), the other end of the second pump discharge test pipeline (12) and inlet pipeline all is positioned at test platform (3) top, mounted valve and measuring device respectively on inlet pipeline, the first pump discharge test pipeline (5), the second pump discharge test pipeline (12) and several flow measurement pipeline (7).
2. the accurate enclosed of a kind of test installation of pump according to claim 1 is tested pipeline, it is characterized in that: vertical cavitation erosion tank (1) is set on described inlet pipeline, inlet pipeline is comprised of the first water return pipeline (10) and pump water inlet pipeline (2), inlet pipeline between vertical cavitation erosion tank (1) and afflux bucket (8) is the first water return pipeline (10), and upper another section inlet pipeline connected of vertical cavitation erosion tank (1) is pump water inlet pipeline (2); The first water return pipeline (10) upper mounted valve and measuring device respectively, the pump water inlet pipeline installs and measures device on (2).
3. the accurate enclosed of a kind of test installation of pump according to claim 2 is tested pipeline, it is characterized in that: the second water return pipeline (11) is installed, the upper suction booster (9) of installing of the second water return pipeline (11) between described afflux bucket (8) and vertical cavitation erosion tank (1); The upper vacuum pump (13) of installing of described vertical cavitation erosion tank (1), the upper steam-water separator (14) of installing of vacuum pump (13).
4. the accurate enclosed of a kind of test installation of pump according to claim 1 is tested pipeline, it is characterized in that: described test platform (3) bottom arranges lowering or hoisting gear, lowering or hoisting gear comprises lifting box (23), the interior level of lifting box (23) is installed the first umbrella gear (17), at right angle setting the second umbrella gear (19), the first umbrella gear (17) and the second umbrella gear (19) engagement; The first umbrella gear (17) is connected with lifting box (23) by thrust bearing (18), upper the second angular wheel shaft (20) of installing of the second umbrella gear (19), the second angular wheel shaft (20) is connected with lifting box (23) by deep groove ball bearing (22), the second angular wheel shaft (20) one end mounted motors (21), motor (21) is positioned at lifting box (23) outside; The first umbrella gear (17) mounting nuts (16), vertically arrange leading screw (15) on nut (16), leading screw (15) upper end is connected with test platform (3), and leading screw (15) lower end coordinates with nut (16); Lifting box (23) upper end arranges position-limited lever through hole (24), test platform (3) bottom arranges position-limited lever (25), insert in lifting box (23) by position-limited lever through hole (24) position-limited lever (25) lower end, position-limited lever (25) bottom arranges limiting stopper (26), and limiting stopper (26) diameter is greater than position-limited lever through hole (24) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104433 CN203098311U (en) | 2013-03-07 | 2013-03-07 | Precise closed-type test pipeline of water pump test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320104433 CN203098311U (en) | 2013-03-07 | 2013-03-07 | Precise closed-type test pipeline of water pump test stand |
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| CN203098311U true CN203098311U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320104433 Expired - Fee Related CN203098311U (en) | 2013-03-07 | 2013-03-07 | Precise closed-type test pipeline of water pump test stand |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329270A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Device used for pump cavitation experiment and implementation method thereof |
| CN105508264A (en) * | 2015-11-29 | 2016-04-20 | 河南省西峡汽车水泵股份有限公司 | Steam failure resistant test device and method for engine cooling water pump bearing with shaft |
| CN106382216A (en) * | 2016-07-26 | 2017-02-08 | 襄阳五二五泵业有限公司 | Cavitation erosion prevention closed type flow lift performance test method for pump |
| CN106979162A (en) * | 2017-04-26 | 2017-07-25 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and method for testing |
| WO2018077008A1 (en) * | 2016-10-31 | 2018-05-03 | 佛山市顺德区美的电子科技有限公司 | Mobile air conditioner as well as water pumping device thereof and water pumping method therefor |
| CN109946022A (en) * | 2019-04-03 | 2019-06-28 | 西安飞机工业（集团）有限责任公司 | A kind of universal flow Detecting data and detection test method |
| CN110566474A (en) * | 2019-10-15 | 2019-12-13 | 中国计量大学 | Water pump test device capable of measuring wide lift range |
| CN114962284A (en) * | 2022-06-21 | 2022-08-30 | 中国计量大学 | Novel pump test device |
-
2013
- 2013-03-07 CN CN 201320104433 patent/CN203098311U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329270A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Device used for pump cavitation experiment and implementation method thereof |
| CN105508264A (en) * | 2015-11-29 | 2016-04-20 | 河南省西峡汽车水泵股份有限公司 | Steam failure resistant test device and method for engine cooling water pump bearing with shaft |
| CN106382216A (en) * | 2016-07-26 | 2017-02-08 | 襄阳五二五泵业有限公司 | Cavitation erosion prevention closed type flow lift performance test method for pump |
| CN106382216B (en) * | 2016-07-26 | 2018-06-08 | 襄阳五二五泵业有限公司 | A kind of pump cavitation-preventive closed-type flow lift performance test methods |
| WO2018077008A1 (en) * | 2016-10-31 | 2018-05-03 | 佛山市顺德区美的电子科技有限公司 | Mobile air conditioner as well as water pumping device thereof and water pumping method therefor |
| CN106979162A (en) * | 2017-04-26 | 2017-07-25 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and method for testing |
| CN106979162B (en) * | 2017-04-26 | 2018-12-04 | 广东肯富来泵业股份有限公司 | Pump closed testing bench control system and test method |
| CN109946022A (en) * | 2019-04-03 | 2019-06-28 | 西安飞机工业（集团）有限责任公司 | A kind of universal flow Detecting data and detection test method |
| CN110566474A (en) * | 2019-10-15 | 2019-12-13 | 中国计量大学 | Water pump test device capable of measuring wide lift range |
| CN114962284A (en) * | 2022-06-21 | 2022-08-30 | 中国计量大学 | Novel pump test device |
| CN114962284B (en) * | 2022-06-21 | 2024-01-26 | 中国计量大学 | Novel pump test device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20170307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |