Water pump test experiment table

Abstract

The utility model relates to the technical field of water pump testing, and discloses a water pump testing experiment table which comprises a testing table, a plurality of water pump assemblies and a testing pipeline, the testing table comprises a rack, a water outlet pool and a water inlet pool are arranged in the rack, and the water outlet pool is communicated with the water inlet pool, so that water entering the water outlet pool can quickly flow into the water inlet pool. Cover plates are detachably fixed to the upper ends of the water outlet pool and the water inlet pool, the water pump assemblies are installed at the upper ends of the cover plates respectively, each water pump assembly at least corresponds to one testing pipeline, the water pump assemblies suck liquid from the water inlet pool, drainage parameters of the liquid are tested through the testing pipelines, and then the liquid is drained into the water outlet pool. The testing pipeline comprises a first long connecting pipe, a flange flowmeter, a first bent pipe, a second long connecting pipe, a first flange gate valve, a second bent pipe and a water outlet pipe. The water pump testing device can be suitable for testing various types of water pumps at the same time, is high in universality and high in testing efficiency, and can carry out comprehensive testing on the performance of the tested pump.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump test technical field especially relates to a water pump test experiment table. BACKGROUND

[0002] Water pump is widely used in industrial production, as the mechanical conveyance liquid, mainly used for conveying liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc. Water pump needs to test its flow output, vibration and other performances before batch production or experiment, and will also take part of actual test before shipment, if the tested water pump performance is unqualified, then needs to rework.

[0003] There are some water pump test devices or experiment tables in prior art, for example, the Chinese invention patent with the application number CN202311761457.X and the name of a water pump performance test device and its method, which sets up lifting mechanism, sets up mounting mechanism for mounting water pump and pipeline mechanism matched with water pump, can realize the effect of testing various performances of water pump by flexibly setting various components, without frequently carrying water pump operation, but it can only test one water pump at a time, and the efficiency is low.

[0004] For example, the Chinese invention patent with the application number CN202211024695.8 and the name of a test experiment table for submersible pump production, which can be used for submersible pump production test, but it mainly aims at the problem that the existing test experiment table for submersible pump production cannot adjust the seat due to the unstable placement of submersible pump, which is easy to produce displacement and shaking and affect the test operation, and the different sitting posture and height of workers, and does not test the water pumping performance of water pump.

[0005] For example, the Chinese utility model patent with the application number CN202121196808.3 and the name of an experiment table for testing well submersible pump, but it mainly solves the problem that the length of the power cord of the experiment table is fixed, and the moving experiment table needs to be rearranged, which wastes time and energy, and also does not test the water pumping performance of water pump.

[0006] The water pump test device or experiment table in prior art mainly has the problems of low universality, low test efficiency and less performance parameters of tested water pump. INVENTION CONTENTS

[0007] In order to overcome the defects of prior art, the utility model aims at providing a water pump test experiment table, which can be suitable for testing various types of water pumps at the same time, has strong universality, high test efficiency and can comprehensively test the performance of tested pump.

[0008] The utility model discloses the following technical scheme realizes: a water pump test experiment table, including test platform, a plurality of water pump assemblies and test pipeline, test platform include the rack, the rack is provided with the water pool and the water inlet pool in, the water pool with the water inlet pool between the communication, make the water liquid that enters the water pool can flow into the water inlet pool quickly, the upper end of water pool, water inlet pool is detachably fixed with the apron, a plurality of water pump assemblies are installed on the apron upper end respectively, and each water pump assembly corresponds at least one test pipeline, and the water pump assembly draws liquid from the water inlet pool, tests its drainage parameter through the test pipeline, and then discharges into the water pool.

[0009] Further, the test pipeline includes a first long pipe, a flange flowmeter, a first elbow, a second long pipe, a first flange gate valve, a second elbow and a water outlet pipe, the flange flowmeter is installed between the first long pipe and the first elbow, the front end of the second long pipe is communicated at the rear end of the first elbow, the first flange gate valve is installed between the second long pipe and the second elbow, and the water outlet pipe is communicated at the rear end of the second elbow.

[0010] Further, the water pump assembly has four, which are a first water pump assembly, a second water pump assembly, a third water pump assembly and a fourth water pump assembly, each water pump assembly includes a shaft lining and a test pump, the test pump is installed in the shaft lining, and the outlet of the shaft lining is communicated with the first long pipe through a pipeline.

[0011] Further, the four water pump assemblies correspond to four shaft linings, the first shaft lining and the second shaft lining are fixed on one side of the upper end of the apron through a mounting frame, and the third shaft lining and the fourth shaft lining are installed on the other side of the upper end of the apron.

[0012] Further, the first water pump assembly corresponds to two test pipelines, the front end of one of the test pipelines is provided with a second flange gate valve, and the outer end of the first shaft lining is communicated with a first communication pipe.

[0013] Further, the ends of the second elbows of the two test pipelines corresponding to the third water pump assembly and the fourth water pump assembly are communicated through a second communication pipe, and the two test pipelines share one water outlet pipe.

[0014] Further, the upper end of the apron is further provided with a first reserved pipeline and a second reserved pipeline, the reserved pipeline is the same as the test pipeline in structure, and the liquid inlet end of the first reserved pipeline and the second reserved pipeline is located at the mounting frame.

[0015] Further, the apron is provided with a water inlet hole at the end of each water outlet pipe, for discharging liquid from the water outlet pipe into the water inlet pool.

[0016] Further, the diameters of the first wellbore, the second wellbore, the third wellbore and the fourth wellbore are sequentially reduced, and the discharge capacities of the test pumps installed in the wellbores are also sequentially reduced.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The water pump test experiment table of the utility model can test multiple different types of water pumps simultaneously by using four test pipelines and two reserved pipelines, better meets the use requirement, has strong versatility and high test efficiency.

[0019] 2. The water pump test experiment table can test the flow data of the water pump and parameters such as the power and the rotating speed of the water pump, and can adjust the flow of the test pipeline according to the test requirement, observe the performance of the water pump under different conditions, and thus comprehensively test the performance of the test pump. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure schematic view of the utility model;

[0021] Figure 2 is the top view of the utility model after removing the test table;

[0022] Figure 3 is the top view of the utility model;

[0023] Figure 4 is Figure 3 the A-A sectional view in the figure;

[0024] Figure 5 is the structure schematic view of the test pipeline in the utility model;

[0025] Figure 6 is the three-dimensional structure schematic view of the utility model after removing the test table.

[0026] In the figure: first water pump assembly-1; second water pump assembly-2; third water pump assembly-3; fourth water pump assembly-4; first reserved pipeline-5; second reserved pipeline-6; test table-7; cover plate-8; mounting frame-9; first wellbore-10; second wellbore-11; first long connecting pipe-12; flange flow meter-13; first elbow-14; second long connecting pipe-15; first flange gate valve-16; second elbow-17; water outlet pipe-18; first communication pipe-19; test pipeline-20; third wellbore-31; second communication pipe-32; fourth wellbore-41; rack-71; water outlet pool-72; water inlet pool-73; water inlet hole-81; test pump-101; second flange gate valve-110. DETAILED DESCRIPTION

[0027] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0028] The purpose of this invention is to address the shortcomings of existing technologies by providing a water pump testing platform.

[0029] Example 1

[0030] This embodiment provides a water pump testing platform, referring to... Figures 1-4 As shown, the test includes a test bench 7, several water pump assemblies, and test pipelines 20. The test bench 7 includes a frame 71, which contains an outlet pool 72 and an inlet pool 73. The outlet pool 72 and the inlet pool 73 are connected, allowing the water entering the outlet pool 72 to flow quickly into the inlet pool 73. The upper ends of the outlet pool 72 and the inlet pool 73 are detachably fixed with cover plates 8. Several water pump assemblies are respectively installed on the upper ends of the cover plates 8. Each water pump assembly corresponds to at least one test pipeline 20. The water pump assembly draws liquid from the inlet pool 73, tests its drainage parameters through the test pipeline 20, and then discharges it into the outlet pool 72.

[0031] Reference Figure 5 As shown, the test pipeline 20 includes a first long connecting pipe 12, a flange flow meter 13, a first bend 14, a second long connecting pipe 15, a first flange gate valve 16, a second bend 17, and an outlet pipe 18. The flange flow meter 13 is installed between the first long connecting pipe 12 and the first bend 14 via a flange connection. The front end of the second long connecting pipe 15 is connected to the rear end of the first bend 14. The first flange gate valve 16 is installed between the second long connecting pipe 15 and the second bend 17 via a flange connection. The flange gate valve is used to regulate the water flow rate and test the performance of the water pump at different flow rates. The outlet pipe 18 is connected to the rear end of the second bend 17. The water pumped by the water pump flows through the first long connecting pipe 12 and firstly through the flange flow meter 13. The function of the first bend 14 connected between the flange flow meter 13 and the first flange gate valve 16 is to ensure that the distance between the center of the flow meter and the center outlet of the gate valve is basically the same as the pipe size, so that the flange flow meter 13 is fully saturated, thereby ensuring the accuracy of the flange flow meter 13 test. It is used to measure the flow output of the water pump to evaluate its performance. The second bend 17 and the outlet pipe 18 are used for the water to flow back into the storage tank, forming a cycle.

[0032] Reference Figures 1-6As shown, the water pump assembly in the embodiment has four, which are the first water pump assembly 1, the second water pump assembly 2, the third water pump assembly 3 and the fourth water pump assembly 4. Each water pump assembly comprises a shaft and a test pump 101, and the test pump 101 is installed in the shaft. The outlet of the shaft is communicated with the first long connector pipe 12 through a pipeline, and the bottom of the shaft extends to the bottom of the water pool 72. The cover plate 8 is provided with a water inlet hole 81 at the end of each water outlet pipe 18, which is used for discharging liquid from the water outlet pipe 18 into the water inlet pool.

[0033] The four water pump assemblies correspond to the first shaft 10, the second shaft 11, the third shaft 31 and the fourth shaft 41 respectively. The first shaft 10 and the second shaft 11 are fixed on one side of the upper end of the cover plate 8 through the mounting frame 9, and the third shaft 31 and the fourth shaft 41 are installed on the other side of the upper end of the cover plate 8. The diameters of the first shaft 10, the second shaft 11, the third shaft 31 and the fourth shaft 41 are gradually reduced, and the displacement of the test pump 101 installed therein is also gradually reduced. As an embodiment of the utility model, the installation sizes of the four shafts are DN2400mm, DN1400mm, DN1000mm and DN600mm respectively.

[0034] Embodiment two

[0035] Referring to Figures 1-6 As shown, the second water pump assembly 2, the third water pump assembly 3 and the fourth water pump assembly 4 in the embodiment each correspond to a test pipeline 20. Specifically, the first water pump assembly 1 corresponds to two test pipelines 20, and the front end of one of the test pipelines 20 is provided with a second flange gate valve 110. The outer end of the first shaft 10 is communicated with a first communication pipe 19, and the first communication pipe 19 is communicated with the two test pipelines 20 respectively. The two test pipelines 20 corresponding to the third water pump assembly 3 and the fourth water pump assembly 4 are communicated through a second communication pipe 32 at the end of the second elbow pipe 17, and share one water outlet pipe 18.

[0036] Referring to Figure 2 , Figure 6 As shown, the upper end of the cover plate 8 is further provided with a first reserved pipeline 5 and a second reserved pipeline 6. The reserved pipeline has the same structure as the test pipeline 20. The liquid inlet end of the first reserved pipeline 5 and the second reserved pipeline 6 is located at the mounting frame 9, which is reserved for installing the water pump test.

[0037] In the embodiment, a pressure lead pipe (not shown in the figure) can also be connected at each shaft. A pressure gauge is installed on the pressure lead pipe for measuring the pressure value in the pipeline. The pressure gauge is divided into Mpa gauge and Kpa gauge, which are used for testing different head test pumps respectively. The pressure gauge and the flange flow meter 13 in the embodiment use the digital display electronic pressure gauge and the flow meter in the prior art.

[0038] The embodiment provides a water pump test experiment table, whether each component of the water pump test experiment table is intact before testing is checked, a suitable well hole is selected according to the type and specification of the test pump 101, different specifications of test pipelines 20 are selected according to different lifts, inlet and outlet pipelines of the test pump 101 are connected, the sealing property of the pipelines is paid attention to, and water leakage or air leakage is avoided. The four groups of test pipelines 20 and the two reserved pipelines can be used to simultaneously test 1-6 water pumps of different models, and the use demand in the prior art can be basically met, the versatility is high, and the test efficiency is high.

[0039] During testing, the test pump 101 and the control system thereof are started, the motor rotating speed of the test pump 101 is gradually adjusted, the test pump 101 reaches a predetermined working state. The flow data of the flange flow meter 13 in the test pipeline 20 and the power, rotating speed and other parameters of the water pump are recorded.

[0040] According to the test requirement, the flow of the test pipeline 20 can also be adjusted by using the flange gate valve, the performance of the water pump under different conditions is observed, relevant data is recorded, the running state of the water pump is observed, including sound, vibration, temperature and the like, whether the pipeline has water leakage or air leakage is checked, whether the motor is abnormally heated and the like, so that the performance of the test pump can be comprehensively tested.

[0041] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the specification should be regarded as a whole by the person skilled in the art, and the technical solutions in each embodiment can also be combined to form other embodiments that can be understood by the person skilled in the art.

Claims

1. A water pump test bench, characterized in that: The utility model provides a water pump test device, including test platform (7), several water pump assemblies and test pipeline (20), the test platform (7) includes rack (71), the rack (71) is provided with water outlet pool (72) and water inlet pool (73) inside, the water outlet pool (72) is communicated with water inlet pool (73), make the water liquid that enters water outlet pool (72) can flow into water inlet pool (73) quickly, the upper end of water outlet pool (72), water inlet pool (73) is detachably fixed with cover plate (8), several water pump assemblies are installed on the upper end of cover plate (8) respectively, and every water pump assembly corresponds at least one test pipeline (20), and water pump assembly draws liquid from water inlet pool (73), tests its drainage parameter through test pipeline (20), and then discharges into water outlet pool (72).

2. The water pump test bench of claim 1, wherein: The test pipeline (20) includes first long connector (12), flange flowmeter (13), first elbow (14), second long connector (15), first flange gate valve (16), second elbow (17) and outlet pipe (18), the flange flowmeter (13) is installed between first long connector (12) and first elbow (14), the front end of second long connector (15) is communicated in the rear end of first elbow (14), the first flange gate valve (16) is installed between second long connector (15) and second elbow (17), and the outlet pipe (18) is communicated in the rear end of second elbow (17).

3. The water pump test bench of claim 2, wherein: The water pump assembly has four, and they are first water pump assembly (1), second water pump assembly (2), third water pump assembly (3) and fourth water pump assembly (4), and every water pump assembly includes a shaft lining and a test pump (101), the test pump (101) is installed in the shaft lining, and the outlet of the shaft lining is communicated with first long connector (12) through a pipeline, and the bottom of the shaft lining extends to the bottom of water outlet pool (72).

4. The water pump test bench of claim 3, wherein: The four water pump assemblies correspond to four shaft linings of first shaft lining (10), second shaft lining (11), third shaft lining (31) and fourth shaft lining (41), the first shaft lining (10) and the second shaft lining (11) are fixed on the upper end of cover plate (8) on one side through mounting bracket (9), and the third shaft lining (31) and the fourth shaft lining (41) are installed on the other side of the upper end of cover plate (8).

5. The water pump test bench of claim 4, wherein: The first water pump assembly (1) corresponds to two test pipelines (20), one of which is provided with a second flange gate valve (110) at the front end, and the outer end of the first shaft lining (10) is communicated with a first communication pipe (19), and the first communication pipe (19) is communicated with the two test pipelines (20) respectively.

6. The water pump test bench of claim 4, wherein: The second ends of the second elbows (17) of the two test pipelines (20) corresponding to the third water pump assembly (3) and the fourth water pump assembly (4) are communicated through a second communication pipe (32), and they share an outlet pipe (18).

7. The water pump test bench of claim 3, wherein: The upper end of the cover plate (8) is further provided with a first reserved pipeline (5) and a second reserved pipeline (6), and the liquid inlet ends of the first reserved pipeline (5) and the second reserved pipeline (6) are located at the mounting bracket (9).

8. The water pump test bench of claim 1, wherein: The cover plate (8) is provided with a water inlet hole (81) at the end of each water outlet pipe (18) for discharging liquid into the water inlet pool.

9. The water pump test bench of claim 4, wherein: The diameters of the first wellbore (10), the second wellbore (11), the third wellbore (31) and the fourth wellbore (41) are gradually reduced, and the displacements of the test pumps (101) installed in the wellbores are also gradually reduced.

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