CN114992108A - Rotary water pump parameter measuring device - Google Patents
Rotary water pump parameter measuring device Download PDFInfo
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- CN114992108A CN114992108A CN202210552982.XA CN202210552982A CN114992108A CN 114992108 A CN114992108 A CN 114992108A CN 202210552982 A CN202210552982 A CN 202210552982A CN 114992108 A CN114992108 A CN 114992108A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 262
- 238000012360 testing method Methods 0.000 claims abstract description 131
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000007306 turnover Effects 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The invention relates to the technical field of water pump parameter testing, in particular to a rotary water pump parameter measuring device. The device comprises a test bench; the test bench comprises a rotary base, a test water tank and a plurality of groups of pipeline mechanisms, wherein the test water tank is arranged on the rotary base, a test area, a water collecting area and a water storing area are arranged in the test water tank, a plurality of test stations are arranged in the test area, and each test station is provided with a clamping device; the pipeline mechanisms are distributed between the water storage area and each testing station, one end of each pipeline mechanism is connected with the clamping device, the clamping device is used for fixing the water pump to be tested and enabling the fixed water pump to be tested to be communicated with the pipeline mechanisms, and the pipeline mechanisms are used for parameter measurement of the water pump to be tested. The invention can automatically clamp the water pump, and simultaneously test a plurality of water pumps, thereby effectively improving the test efficiency of the water pump and improving the test precision of water pump parameters.
Description
Technical Field
The invention relates to the technical field of water pump parameter testing, in particular to a rotary water pump parameter measuring device.
Background
With the rapid development of the water pump industry, the production level is greatly improved, and the yield is greatly increased. The proportion of the water pumps produced by small and medium-sized and civil pump plants is larger in the market. However, the equipment for factory testing of these pump producing enterprises is relatively original and old, and many managers have focused on the pump production equipment and neglected the testing equipment. The error measured by some devices is larger before the test device is stopped. Therefore, the detection technology of the water pump is a technology which is high in content and requires accurate measurement. The water pump testing technology becomes a increasingly perfect technology in the field of testing research and development, the water pump testing time is a key for restricting the delivery of the whole water pump, the speed influencing the water pump testing has various factors, the structure is complex, and each of the factors has great influence on the whole water pump testing without paying attention.
The water pump industry belongs to a traditional machinery industry, and after parts are assembled, each water pump needs to be detected before leaving a factory, and whether detected data meet use requirements or not is seen. At present, the production mode of a water pump enterprise is still an assembly and test separation mode, a factory test cannot cover all water pumps, only a sampling inspection mode can be adopted, the automation degree is low, and the quality supervision of the water pumps is seriously influenced. When the water pump leaves a factory and tests, manual operation is needed, and the influence of human factors is large. Time and labor consumption, low precision and poor water resource utilization rate. Therefore, the delivery test level of the water pump needs to be improved, an advanced manufacturing technology needs to be applied to the water pump test, the automatic production level is improved, and energy conservation and emission reduction are realized.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a rotary water pump parameter measuring device, which can automatically clamp a water pump during a water pump test, and test multiple water pumps simultaneously, thereby effectively improving the water pump test efficiency and improving the water pump parameter test accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a rotary water pump parameter measuring device, which comprises a test board;
the test bench comprises a rotary base, a test water tank and a plurality of groups of pipeline mechanisms, wherein the test water tank is arranged on the rotary base, a test area and a water storage area are arranged in the test water tank, a plurality of test stations are arranged in the test area, and each test station is provided with a clamping device; the pipeline mechanisms are distributed between the water storage area and each testing station, one end of each pipeline mechanism is connected with the clamping device, the clamping device is used for fixing the water pump to be tested and enabling the fixed water pump to be tested to be communicated with the pipeline mechanisms, and the pipeline mechanisms are used for parameter measurement of the water pump to be tested.
The pipeline mechanism comprises a water outlet pipe I, a valve, a water outlet pipe II, a flowmeter and a water outlet pipe III which are sequentially connected, wherein one end of the water outlet pipe III is connected with a clamping device, a pressure detection device is arranged on the water outlet pipe III, and the tail end of the water outlet pipe I is inserted into the water storage area.
The clamping device comprises a fixed plate, a turnover plate and a hydraulic cylinder, wherein the fixed plate is connected with the test water tank, and the lower end of the turnover plate is hinged with the fixed plate; the hydraulic cylinder is arranged on the fixed plate, and the output end of the hydraulic cylinder is movably connected with the upper end of the turnover plate;
one end of the water outlet pipe III is connected with the fixing plate through a water outlet pipe flange; the hydraulic cylinder drives the turnover plate to rotate, so that the turnover plate clamps or releases the connecting flange and the water outlet pipe flange of the water pump to be tested.
The turnover plate is provided with a sliding groove in the vertical direction, the output end of the hydraulic cylinder is vertically connected with a sliding shaft, and the sliding shaft is accommodated in the sliding groove of the turnover plate.
A water collecting area positioned between the testing area and the water storing area is also arranged in the testing water tank, and a water return system is arranged in the water collecting area; water in the test area overflows into the water collecting area; the water return system is used for conveying water in the water collecting area to the water storing area.
And a filtering device is arranged at the top of the water collecting area.
The water return system comprises a water return pipe and a water return pump, wherein the water return pump is arranged in the water collecting area, one end of the water return pipe is connected with a water outlet of the water return pump, and the other end of the water return pipe is inserted into the water storage area.
The test water tank comprises an inner cylinder, a middle cylinder and an outer cylinder which are concentrically arranged from inside to outside, wherein the area in the inner cylinder is the test area, the annular area between the inner cylinder and the middle cylinder is the water collecting area, and the annular area between the middle cylinder and the outer cylinder is the test area; and the height of the inner cylinder is greater than that of the outer cylinder, and the height of the outer cylinder is greater than that of the middle cylinder.
Rotating base includes base, internal tooth contact bearing, motor reducer and external gear, and wherein the outer lane and the base of internal tooth contact bearing are connected, the inner circle with the test basin is connected, and the motor reducer sets up in the base, and output and external gear connection, the internal toothing of external gear and internal tooth contact bearing.
The rotary water pump parameter measuring device further comprises a feeding platform and a discharging platform which are arranged on two opposite sides of the test platform.
The invention has the advantages and positive effects that:
1. the invention adopts a cable which is manually connected with the water pump to be measured, and the water pump to be measured is manually placed on the clamping device. After the test is finished, the water pump to be tested is manually moved down from the clamping device and placed on the discharging table, parts required by the equipment are reduced, and the reliability and flexibility of the use of the test equipment are improved.
2. The invention organically combines the rotating base, the test board and the clamping device, divides the test water tank into three areas, namely a test area, a collection area and a water storage area, and the three areas are tightly connected, thereby reducing the floor area, simplifying the structure of the whole test equipment, being convenient to install and having safe and reliable work.
3. The invention can simultaneously test a plurality of water pumps, the test time of the water pump to be tested is the carrying wiring and disconnecting time of the upper pump and the lower pump of other water pumps to be tested, the test time of the water pump to be tested is not required to be set, the maintenance is convenient, the operation of the test device is simple, and the working efficiency is high.
Drawings
FIG. 1 is a three-dimensional structure diagram of a rotary water pump parameter measuring device according to the present invention;
FIG. 2 is a front view of a rotary water pump parameter measuring device according to the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a front view of the clamping device of the present invention;
FIG. 6 is an isometric view of a clamping device of the present invention;
in the figure: 1 is the material loading platform, 2 is rotating base, 3 is the test basin, 301 is the test area, 302 is the catchment area, 303 is for depositing the water district, 4 is pipeline mechanism, 5 is the unloading platform, 6 is clamping device, 7 is outlet pipe I, 8 is the valve, 9 is outlet pipe II, 10 is the flowmeter, 11 is outlet pipe III, 12 is filter equipment, 13 is the base, 14 is the internal tooth contact bearing, 15 is motor reducer, 16 is the external gear, 18 is the wet return, 19 is the wet return pump, 20 is the fixed plate, 21 is the round pin axle, 22 is the returning face plate, 23 is the water pump that awaits measuring, 24 is the slide shaft, 25 is the pneumatic cylinder, 26 is pressure measurement.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the present invention provides a parameter measuring device for a rotary water pump, which comprises a testing platform; the test bench comprises a rotary base 2, a test water tank 3 and a plurality of groups of pipeline mechanisms 4, wherein the test water tank 3 is arranged on the rotary base 2, a test area 301 and a water storage area 303 are arranged in the test water tank 3, a plurality of test stations are arranged in the test area 301, and each test station is provided with a clamping device 6; the multiple groups of pipeline mechanisms 4 are distributed between the water storage area 303 and each test station, one end of each pipeline mechanism 4 is connected with the clamping device 6, the clamping device 6 is used for fixing the water pump 23 to be tested and communicating the fixed water pump 23 to be tested with the pipeline mechanisms 4, and the pipeline mechanisms 4 are used for measuring parameters of the water pump 23 to be tested.
As shown in fig. 4, in the embodiment of the present invention, the pipeline mechanism 4 includes a water outlet pipe i 7, a valve 8, a water outlet pipe ii 9, a flow meter 10, and a water outlet pipe iii 11, which are connected in sequence, wherein one end of the water outlet pipe iii 11 is connected to the clamping device 6, the water outlet pipe iii 11 is provided with a pressure detection device 26, and the tail end of the water outlet pipe i 7 is inserted into the water storage area 303.
As shown in fig. 5-6, in the embodiment of the present invention, the clamping device 6 includes a fixed plate 20, a turnover plate 22 and a hydraulic cylinder 25, wherein the fixed plate 20 is connected to the test water tank 3, and the lower end of the turnover plate 22 is hinged to the fixed plate 20 through a pin 21; the hydraulic cylinder 25 is arranged on the fixed plate 20, and the output end of the hydraulic cylinder is movably connected with the upper end of the turnover plate 22; one end of the water outlet pipe III 11 is connected with the fixing plate 20 through a water outlet pipe flange; the hydraulic cylinder 25 drives the turning plate 22 to rotate, so that the turning plate 22 clamps or releases the connecting flange and the water outlet pipe flange of the water pump 23 to be tested.
Furthermore, a chute is arranged on the turning plate 22 along the vertical direction, the output end of the hydraulic cylinder 25 is vertically connected with a sliding shaft 24, and the sliding shaft 24 is accommodated in the chute of the turning plate 22.
Preferably, the turnover plates 22 are two and are connected to both sides of the fixed plate 20; the two turning plates 22 are respectively connected with two hydraulic cylinders 25, and the two hydraulic cylinders 25 are respectively installed at the left and right sides of the fixed plate 20.
Specifically, the clamping device 6 is opened, i.e. the piston rods of the two hydraulic cylinders 25 are extended simultaneously, and the sliding shaft 24 is driven to push the turnover plate 22 to open a certain angle. The connecting flange of the water pump 23 to be tested is manually placed between the turnover plate 22 and the fixing plate 20, the water pump 23 to be tested is manually connected with a cable, after the test equipment confirming key is pressed down, the piston rods of the two hydraulic cylinders 25 retract, and the turnover plate 22 clamps the connecting flange of the water pump 23 to be tested and the water outlet pipe flange of the water outlet pipe III 11, namely, the water pump 23 to be tested is automatically clamped.
As shown in fig. 1-4, on the basis of the above embodiments, a water collecting area 302 between a testing area 301 and a water storing area 303 is further provided in the testing water tank 3, and a water returning system is provided in the water collecting area 302; the water in the test zone 301 overflows into the water collection zone 302; the water return system is used to deliver water in the water collection area 302 to the water holding area 303.
Further, a filtering device 12 is provided at the top of the water collecting region 302 to filter the water collected by the water collecting region 302.
In the embodiment of the invention, the water return system comprises a water return pipe 18 and a water return pump 19, wherein the water return pump 19 is arranged in the water collection area 302, one end of the water return pipe 18 is connected with a water discharge port of the water return pump 19, the other end of the water return pipe is inserted into the water storage area 303, the water return pump 19 pumps the water in the water collection area 302 into the water storage area 303 again through the water return pipe 18, and the use requirement of the water pump to be tested in the test process is met.
Specifically, the test water tank 3 comprises an inner cylinder, an intermediate cylinder and an outer cylinder which are concentrically arranged from inside to outside, wherein the area in the inner cylinder is a test area 301, the annular area between the inner cylinder and the intermediate cylinder is a water collecting area 302, and the annular area between the intermediate cylinder and the outer cylinder is the test area 301; and the height of the inner cylinder is greater than that of the outer cylinder, and the height of the outer cylinder is greater than that of the middle cylinder.
In the embodiment of the invention, each test station of the test water tank 3 is provided with a pipeline mechanism 4 and a clamping device 6, and the water pump 23 to be tested is connected with the pipeline mechanism 4 through the clamping device 6. During testing, the water pump 23 to be tested is started, the valve 8 and the flowmeter 9 of the pipeline mechanism 4 are opened, and the water pump 23 to be tested pumps water in the water storage area 303 into the testing area 301 through the pipeline mechanism 4. After the test area 301 is full of water, the water overflows into a collection area 302. The top of the collection area 302 is fitted with a filter device 12, and the filter device 12 will filter the impurities in the water in the test area. Preferably, the filter device 12 employs filter cotton.
As shown in fig. 4, in the embodiment of the present invention, the rotating base 2 includes a base 13, an internal tooth contact bearing 14, a motor reducer 15, and an external gear 16, wherein an outer ring of the internal tooth contact bearing 14 is connected to the base 13, an inner ring is connected to the test water tank 3, the motor reducer 15 is disposed in the base 13, an output end of the motor reducer is connected to the external gear 16, the external gear 16 is engaged with internal teeth of the internal tooth contact bearing 14, and the rotating speed of the test water tank 3 is controlled by controlling the rotating speed of the motor reducer 15, and the rotating speed is adjusted as required.
As shown in fig. 1-3, on the basis of the above embodiments, the parameter measuring device of the rotary water pump further includes a feeding table 1 and a discharging table 5 disposed on opposite sides of the testing table, where the feeding table 1 and the discharging table 5 correspond to two stations of the testing table, namely, a feeding station and a discharging station.
The invention provides a rotary water pump parameter measuring device, and the working principle is as follows:
in operation, the free position of the test station is first rotated into the position of the loading station 1, the clamping device 6 of the test station being in the pump-free open state. The water pump 23 to be measured is manually carried to the clamping device 6 from the feeding table 1, the water pump 23 to be measured is manually connected through a cable, after the equipment confirmation key is pressed down, the piston rods of the two hydraulic cylinders 25 retract simultaneously, the connecting flange of the water pump 23 to be measured and the water outlet pipe flange of the water outlet pipe III 11 are clamped through the turnover plate 22, and therefore the water pump 23 to be measured is automatically clamped. In the process of manually installing the water pump 23 to be tested, the water pump 23 to be tested corresponding to the discharging platform 5 is tested, the clamping device 6 is automatically opened, personnel at the discharging platform 5 take out the wire, and the tested water pump 23 to be tested is carried to the discharging platform 5 from the testing platform.
In the actual test process, the water pump 23 to be tested starts the pipeline mechanism 4 to measure parameters while rotating along with the test water tank 3. The test tank 3 has three zones, a test zone 301, a collection zone 302, and a water holding zone 303. The water pump 23 to be tested is connected with the pipeline mechanism 4, during testing, the water pump 23 to be tested is started, the valve 8, the flowmeter 9 and the pressure detection device 26 of the pipeline mechanism 4 are opened, and the water pump 23 to be tested pumps water in the water storage area 303 into the testing area 301 through the pipeline mechanism 4. After the test area 301 is full of water, the water automatically overflows into the collection area 302. The top of the collection area 302 is fitted with a filter device 12 to filter impurities from the water in the test area. The return water 19 of the collection area 302 is always in operation, and the water in the collection area 302 is conveyed to the water storage area 301 through the return water pipe 18.
When the water pump test platform is used, the designed number of the stations of the test platform is based on the premise of meeting the production takt, the water pump 23 to be tested is manually installed, and the water pump 23 to be tested is manually disassembled. The moving parts of the testing device are provided with corresponding water outlet pipe flanges on the interfaces of the water outlet pipe III 11 according to the interfaces of the connecting flanges of different water pumps 23 to be tested, so that the requirements of pumps of different models are met. Each station is provided with a set of pipeline mechanism 4 and clamping device 6, the parameter measurement of the water pump 23 to be tested is performed in the manual pump loading and pump unloading process, and the parameter measurement is performed in the period of rotation of the test bench, so that the special test time is not required to be set, and the test efficiency of the water pump 23 to be tested is improved.
In the water pump testing process, parameters such as the lift, the flow, the motor power and the like of a plurality of water pumps can be tested simultaneously, the water pump testing efficiency is effectively improved, and the production testing beat is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The rotary water pump parameter measuring device is characterized by comprising a test board;
the test bench comprises a rotary base (2), a test water tank (3) and a plurality of groups of pipeline mechanisms (4), wherein the test water tank (3) is arranged on the rotary base (2), a test area (301) and a water storage area (303) are arranged in the test water tank (3), a plurality of test stations are arranged in the test area (301), and each test station is provided with a clamping device (6); the multi-group pipeline mechanisms (4) are distributed between the water storage area (303) and each testing station, one end of each pipeline mechanism (4) is connected with the clamping device (6), the clamping device (6) is used for fixing the water pump (23) to be tested and enabling the fixed water pump (23) to be tested to be communicated with the pipeline mechanisms (4), and the pipeline mechanisms (4) are used for measuring parameters of the water pump (23) to be tested.
2. The parameter measurement device of the rotary water pump according to claim 1, wherein the pipeline mechanism (4) comprises a water outlet pipe I (7), a valve (8), a water outlet pipe II (9), a flow meter (10) and a water outlet pipe III (11) which are connected in sequence, wherein one end of the water outlet pipe III (11) is connected with the clamping device (6), a pressure detection device (26) is arranged on the water outlet pipe III (11), and the tail end of the water outlet pipe I (7) is inserted into the water storage area (303).
3. The rotary water pump parameter measuring device according to claim 2, wherein the clamping device (6) comprises a fixed plate (20), a turnover plate (22) and a hydraulic cylinder (25), wherein the fixed plate (20) is connected with the test water tank (3), and the lower end of the turnover plate (22) is hinged with the fixed plate (20); the hydraulic cylinder (25) is arranged on the fixed plate (20), and the output end of the hydraulic cylinder is movably connected with the upper end of the turnover plate (22);
one end of the water outlet pipe III (11) is connected with the fixing plate (20) through a water outlet pipe flange; the hydraulic cylinder (25) drives the turnover plate (22) to rotate, so that the turnover plate (22) clamps or releases a connecting flange and a water outlet pipe flange of the water pump (23) to be tested.
4. The rotary water pump parameter measuring device according to claim 3, wherein the turning plate (22) is provided with a chute along a vertical direction, the output end of the hydraulic cylinder (25) is vertically connected with a sliding shaft (24), and the sliding shaft (24) is accommodated in the chute of the turning plate (22).
5. The parameter measuring device of the rotary water pump according to claim 1, wherein a water collecting area (302) is further arranged in the test water tank (3) and is located between the test area (301) and the water storing area (303), and a water return system is arranged in the water collecting area (302); water in the test zone (301) overflows into the water collection zone (302); the water return system is used for conveying water in the water collecting area (302) to the water storage area (303).
6. A rotary water pump parameter measuring device according to claim 5, wherein the top of the water collection area (302) is provided with a filtering device (12).
7. A rotary water pump parameter measuring device according to claim 5, wherein the water return system comprises a water return pipe (18) and a water return pump (19), wherein the water return pump (19) is disposed in the water collecting region (302), one end of the water return pipe (18) is connected with a water outlet of the water return pump (19), and the other end is inserted into the water storing region (303).
8. The rotary water pump parameter measuring device as claimed in claim 5, wherein the testing water tank (3) comprises an inner barrel, an intermediate barrel and an outer barrel which are concentrically arranged from inside to outside, wherein the area in the inner barrel is the testing area (301), the annular area between the inner barrel and the intermediate barrel is the water collecting area (302), and the annular area between the intermediate barrel and the outer barrel is the testing area (301); and the height of the inner cylinder is greater than that of the outer cylinder, and the height of the outer cylinder is greater than that of the middle cylinder.
9. The rotary water pump parameter measuring device according to claim 1, wherein the rotating base (2) comprises a base (13), an internal tooth contact bearing (14), a motor reducer (15) and an external gear (16), wherein an outer ring of the internal tooth contact bearing (14) is connected with the base (13), an inner ring is connected with the test water tank (3), the motor reducer (15) is arranged in the base (13), an output end of the motor reducer is connected with the external gear (16), and the external gear (16) is meshed with internal teeth of the internal tooth contact bearing (14).
10. The rotary water pump parameter measuring device according to claim 1, further comprising a feeding platform (1) and a discharging platform (5) disposed on opposite sides of the testing platform.
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| CN202210552982.XA CN114992108B (en) | 2022-05-19 | 2022-05-19 | Rotary water pump parameter measuring device |
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| CN202210552982.XA CN114992108B (en) | 2022-05-19 | 2022-05-19 | Rotary water pump parameter measuring device |
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| WO2014033023A2 (en) * | 2012-08-30 | 2014-03-06 | Aesculap Ag | Hose receptacle of a roller pump |
| CN104634288A (en) * | 2013-11-06 | 2015-05-20 | 中国科学院沈阳计算技术研究所有限公司 | Compressor rotor detection device |
| CN104832419A (en) * | 2015-05-14 | 2015-08-12 | 苏州工业职业技术学院 | Water pump testing system |
| CN108195605A (en) * | 2016-12-08 | 2018-06-22 | 山东省农业机械科学研究院 | A kind of water pump flow production line intelligence on-line checking testing stand |
| CN106894983A (en) * | 2017-04-28 | 2017-06-27 | 运城学院 | A kind of immersible pump testboard pipeline automatic butt jointing device and its docking calculation |
| JP2019205961A (en) * | 2018-05-29 | 2019-12-05 | 株式会社クレオ | Cleaning device, vessel installation tool with lid and cleaning method |
| CN109226154A (en) * | 2018-10-10 | 2019-01-18 | 庄筱琳 | A kind of rotary automatic positioning biotechnology reagent bottle cleaning device |
| CN209228592U (en) * | 2018-12-25 | 2019-08-09 | 柳州易舟汽车空调有限公司 | Compressor test rack |
| CN211082226U (en) * | 2019-12-06 | 2020-07-24 | 浙江同心力机电科技有限公司 | Water pump test support |
| CN111425677A (en) * | 2020-03-16 | 2020-07-17 | 武汉高华特种车辆制造有限公司 | Anti-leakage device for material suction pipeline of suction and discharge vehicle |
| CN211855695U (en) * | 2020-05-13 | 2020-11-03 | 中广核太阳能德令哈有限公司 | Quick interface device for testing flange type pressure transmitter |
| CN112082019A (en) * | 2020-09-02 | 2020-12-15 | 江苏长隆石化装备有限公司 | Efficient quick connection device and method |
| WO2022058718A1 (en) * | 2020-09-18 | 2022-03-24 | Edwards Limited | Clamp assembly |
| CN112160902A (en) * | 2020-09-25 | 2021-01-01 | 中国科学院沈阳计算技术研究所有限公司 | Be used for water pump flange quick connecting device |
| CN214418631U (en) * | 2020-12-21 | 2021-10-19 | 浙江德创环保科技股份有限公司 | Frock clamp is used in marine access & exit support piece preparation |
| CN214998170U (en) * | 2021-04-14 | 2021-12-03 | 潍坊沃泰动力有限公司 | Water pipe connecting device for diesel engine water pump unit |
| CN216556528U (en) * | 2022-01-18 | 2022-05-17 | 广东珩信节能科技有限公司 | Intelligent energy efficiency detection device for air compressor |
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