Water pump water pressure alternating testing device

Abstract

The utility model provides a water pump water pressure alternating testing device. In an automobile, a water pump needs to work for a long time in a high-pressure and relatively-low-pressure repeated alternating environment, so that whether the pump body of the water pump has defects such as cracks in a high-strength working environment or not is detected, and whether the pump body can meet later use on the automobile or not is checked. The water pump water pressure alternating testing device comprises a rack, a pressure-resistant alternating testing pipeline and a start-stop testing pipeline are arranged on the rack in parallel, the pressure-resistant alternating testing pipeline comprises an alternating liquid tank, the alternating liquid tank is connected with a pressure supply water pump through a connecting pipe, and the pressure supply water pump is connected with a main water pipe through a first water outlet pipe. A first water pump connector and a second water pump connector are arranged on the main water pipe, the tail end of the main water pipe is connected back to the alternating liquid tank, and an auxiliary water pipe is connected to the rear section of the main water pipe in parallel. The start-stop testing pipeline comprises a start-stop liquid tank, a set of second water outlet pipes are arranged at the bottom of the start-stop liquid tank, and a third water pump connector is installed at the tail ends of the second water outlet pipes. A fourth water pump connector is installed at the tail end of the water return pipe, and a control box is further arranged on the rack. According to the utility model, two sets of test pipelines are integrated to respectively carry out high-low pressure alternating test and start-stop test on the water pump, and whether the water pump body has defects such as cracks in a high-strength working environment can be checked, so that whether the pump body can be used on an automobile in the later period can be checked.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pump production and relates to a water pump water pressure alternating test device. Background Art

[0002] A water pump is a machine that transports or pressurizes liquids. In automobiles, water pumps must operate for extended periods of time in an environment that alternates between high and relatively low pressures. Therefore, it's essential to design a water pump alternating pressure test device to detect cracks and other defects in the pump body under these intense operating conditions, thereby verifying its suitability for future automotive use. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems in the existing technology and to propose a water pump water pressure alternating test device.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a water pump water pressure alternating test device, comprising a frame, characterized in that a pressure-resistant alternating test pipeline and a start-stop test pipeline are arranged in parallel on the frame, the pressure-resistant alternating test pipeline comprises an alternating liquid tank, the alternating liquid tank is connected to a pressure water pump through a connecting pipe, the pressure water pump is connected to the main water pipe through an outlet pipe 1, the main water pipe is provided with a water pump connector 1 and a water pump connector 2, the end of the main water pipe is connected back to the alternating liquid tank, the rear section of the main water pipe is connected in parallel with a secondary water pipe, the start-stop test pipeline comprises a start-stop liquid tank, a group of outlet pipes 2 are provided at the bottom of the start-stop liquid tank, a water pump connector 3 is installed at the end of the outlet pipe 2, a group of return pipes are provided on the top of the start-stop liquid tank, a water pump connector 4 is installed at the end of the return pipe, and a control box is also provided on the frame.

[0005] The working principle of this utility model is as follows:

[0006] Water pump high and low pressure alternating test: After the test water pump is quickly connected to water pump connector 1 and water pump connector 2 through the chuck clamp, the pressure of the medium in the alternating liquid tank is adjusted to the specified value by the pressure water pump, and then output to the main water pipe through the outlet pipe 1. After passing through water pump connector 1 and water pump connector 2 and passing through the test water pump, the equipment will choose to return water through the main water pipe (high pressure) or the auxiliary water pipe (low pressure) according to the settings and the water pressure. The pressure control is switched by the latter two pipelines. After the water pump has alternated between high and low pressure water pressure tens of thousands of times, the high and low pressure alternating test of the water pump is completed. The operating data is monitored throughout the test process.

[0007] Water pump start-stop test: Connect the test water pump to water pump connector three and water pump connector four, then input the medium into the start-stop liquid tank and pressurize (pressure can be set) and heat it, and then pass it through the test water pump through the outlet pipe two and the return pipe. During this period, the water pump is controlled to start, stop, start again, and then stop... in a cycle, and frequent start-stop tests are performed. The operating data is monitored throughout the test.

[0008] Both the main water pipe and the auxiliary water pipe are equipped with a stop valve and an angle seat valve.

[0009] With the above structure, the main water pipe and the auxiliary water pipe are controlled to be on and off by the stop valve and the angle seat valve.

[0010] A pneumatic valve is installed on the second water outlet pipe.

[0011] With the above structure, the water outlet pipe 2 is controlled by the pneumatic valve.

[0012] An electric V-shaped valve is installed on the return water pipe.

[0013] With the above structure, the flow of the return pipe is controlled by the electric V-shaped valve.

[0014] An auxiliary pump is installed on the water pump connector 1.

[0015] With the above structure, the medium is assisted to flow.

[0016] Compared with the existing technology, this water pump water pressure alternating test device has the following advantages: the utility model integrates two sets of test pipelines, which respectively perform high and low pressure alternating tests and start-stop tests on the water pump, and can check whether the water pump body has cracks and other defects under high-intensity working conditions, thereby checking whether the pump body can meet the requirements of later use in automobiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a structural diagram of the pressure-resistant alternating test pipeline in the utility model.

[0019] Figure 3 It is a structural diagram of the start-stop test pipeline in the utility model.

[0020] In the figure, 1. frame; 2. alternating liquid tank; 3. connecting pipe; 4. pressure water pump; 5. outlet pipe 1; 6. main water pipe; 7. water pump connector 1; 8. water pump connector 2; 9. auxiliary water pipe; 10. start-stop liquid tank; 11. outlet pipe 2; 12. water pump connector 3; 13. return pipe; 14. water pump connector 4; 15. control box; 16. stop valve; 17. angle seat valve; 18. pneumatic valve; 19. electric V-type valve; 20. auxiliary pump. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0022] like Figure 1-3 As shown, the water pump water pressure alternating test device includes a frame 1, and a pressure-resistant alternating test pipeline and a start-stop test pipeline are arranged in parallel on the frame 1. The pressure-resistant alternating test pipeline includes an alternating liquid tank 2, and the alternating liquid tank 2 is connected to a pressure water pump 4 through a connecting pipe 3. The pressure water pump 4 is connected to a main water pipe 6 through an outlet pipe 1 5. The main water pipe 6 is provided with a water pump connector 1 7 and a water pump connector 2 8. The end of the main water pipe 6 is connected back to the alternating liquid tank 2, and a secondary water pipe 9 is connected in parallel to the rear section of the main water pipe 6. The start-stop test pipeline includes a start-stop liquid tank 10, and a group of outlet pipe 2 11 is provided at the bottom of the start-stop liquid tank 10. A water pump connector 3 12 is installed at the end of the outlet pipe 2 11. A group of return pipes 13 is provided on the top of the start-stop liquid tank 10, and a water pump connector 4 14 is installed at the end of the return pipe 13. A control box 15 is also provided on the frame 1.

[0023] In the utility model, a partition is provided between the pressure-resistant alternating test pipeline and the start-stop test pipeline, and both are connected to external independent medium supply equipment.

[0024] In the utility model, the pressure-resistant alternating test pipeline and the start-stop test pipeline can operate simultaneously.

[0025] In the present invention, each mechanism is connected and driven by the existing technology, and synchronous control is achieved through the control box 15 , and the test results are recorded through the control box 15 .

[0026] The start-stop liquid tank 10 and the alternating liquid in the present invention are existing integrated tank structures, which are mainly used for the convergence and diversion of the medium. Existing heating components are installed inside them, which can heat the medium to a certain extent, thereby ensuring the test effect.

[0027] A stop valve 16 and an angle seat valve 17 are installed on both the main water pipe 6 and the auxiliary water pipe 9.

[0028] A pneumatic valve 18 is installed on the water outlet pipe 11.

[0029] An electric V-shaped valve 19 is installed on the return pipe 13.

[0030] In the present invention, the stop valve 16, the angle seat valve 17, the pneumatic valve 18 and the electric V-shaped valve 19 are all existing products.

[0031] An auxiliary pump 20 is installed on the water pump connector 7.

[0032] The auxiliary pump 20 in the present invention specifically adopts the existing 32 pump.

[0033] The working principle of this utility model:

[0034] Water pump high and low pressure alternating test: After the test water pump is quickly connected to the water pump connector 1 7 and the water pump connector 2 8 through the chuck clamp, the pressure of the medium in the alternating liquid tank 2 is adjusted to the specified value through the pressure water pump 4, and then output to the main water pipe 6 through the outlet pipe 1 5, and after passing through the water pump connector 1 7 and the water pump connector 2 8 through the test water pump, the equipment will choose to return water through the main water pipe 6 (high pressure) or the auxiliary water pipe 9 (low pressure) according to the settings and the water pressure. The pressure control is switched by the latter two pipelines. After the water pump has alternated between high pressure and low pressure for tens of thousands of times, the high and low pressure alternation test of the water pump is completed. The operation data is monitored throughout the test process.

[0035] Water pump start-stop test: Connect the test water pump to water pump connector three 12 and water pump connector four 14, then input the medium into the start-stop liquid tank 10 and pressurize (pressure can be set) and heat it, and then pass through the test water pump through the outlet pipe two 11 and the return pipe 13. During this period, the water pump is controlled to start, stop, start again, and then stop... in a cycle, and frequent start-stop tests are performed. The operating data is monitored throughout the test.

[0036] In the water pump start-stop test, the pressure range is set at 0.4-0.8MPA and the medium temperature is set to 80 degrees Celsius.

[0037] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A water pump water pressure alternating test device, comprising a frame (1), characterized in that: The frame (1) is provided with a pressure-resistant alternating test pipeline and a start-stop test pipeline in parallel. The pressure-resistant alternating test pipeline includes an alternating liquid tank (2). The alternating liquid tank (2) is connected to a pressure water pump (4) via a connecting pipe (3). The pressure water pump (4) is connected to a main water pipe (6) via a first outlet pipe (5). The main water pipe (6) is provided with a first water pump connector (7) and a second water pump connector (8). The end of the main water pipe (6) is connected back to the alternating liquid tank (2). The rear section of the water pipe (6) is connected in parallel with a secondary water pipe (9), the start-stop test pipeline includes a start-stop liquid tank (10), a set of outlet pipes (2) (11) is provided at the bottom of the start-stop liquid tank (10), and a water pump connector (3) (12) is installed at the end of the outlet pipe (2) (11), a set of return pipes (13) is provided at the top of the start-stop liquid tank (10), and a water pump connector (4) (14) is installed at the end of the return pipes (13), and a control box (15) is also provided on the frame (1).

2. A water pump water pressure alternating test device according to claim 1, characterized in that: The main water pipe (6) and the auxiliary water pipe (9) are both installed with a stop valve (16) and an angle seat valve (17).

3. A water pump water pressure alternating test device according to claim 1, characterized in that: A pneumatic valve (18) is installed on the second water outlet pipe (11).

4. A water pump water pressure alternating test device according to claim 1, characterized in that: An electric V-shaped valve (19) is installed on the return water pipe (13).

5. The water pump water pressure alternating test device according to claim 1, characterized in that: An auxiliary pump (20) is installed on the water pump connector 1 (7).

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