Automatic hydrostatic test device for pressure-bearing equipment

By designing an automatic hydrostatic testing device, and utilizing a combination of a high-flow centrifugal pump and a plunger pump, along with a pressure transmitter and controller, the problems of experimental error and resource waste in existing devices have been solved, achieving efficient and accurate hydrostatic testing and water resource recycling.

CN223926172UActive Publication Date: 2026-02-17ZHEJIANG LIJU THERMAL ENERGY EQUIP CO LTD
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Patent Information

Application Number
CN202423161481.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-02-17
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing hydrostatic testing equipment suffers from large experimental errors and wastes water resources.

Method used

Design an automatic hydrostatic testing device that includes a water tank, a centrifugal pump, a pressure stabilizing tank, and a plunger pump. The device uses two high-flow centrifugal pumps to quickly fill and empty the water tank, and a low-flow, high-lift plunger pump to achieve the test pressure. It is equipped with a pressure transmitter and controller to achieve automatic pressure testing and recording, and shock-absorbing feet to ensure the stability of the equipment.

Benefits of technology

This improved the accuracy of test results, reduced resource waste, and enabled the recycling of water resources and the safe and efficient conduct of the experiment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automatic water pressure testing device for pressure-bearing equipment, which comprises a water tank and the pressure-bearing equipment, a testing device is arranged between the water tank and the pressure-bearing equipment, the testing device consists of at least two centrifugal pumps, a pressure stabilizing barrel and a plunger pump, each centrifugal pump is provided with a water inlet and a water outlet, the plunger pump is provided with a water inlet, and the pressure stabilizing barrel is provided with a water outlet. A water feeding port is formed in the pressure stabilizing barrel and connected with pressure-bearing equipment, the upper portion of the water tank is connected with a water outlet of the centrifugal pump, and the lower portion of the water tank is connected with an upper water inlet of the centrifugal pump and a water inlet of the plunger pump through a three-way valve. The device has the advantages of simple and reasonable structure, high efficiency, safety, stability, accurate test result and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of water pressure test device, concretely relates to a kind of for pressure-bearing equipment automatic water pressure test device. BACKGROUND

[0002] Water pressure test device is mainly used for the following parts of factory detection: automobile hose, aviation hose and manifold etc.But the existing water pressure test device generally exists greater experimental error, resulting in that test result is not particularly accurate, and water of water pressure test device is generally directly emptied through external pipeline, causing waste of resources.

[0003] Therefore, a kind of for pressure-bearing equipment automatic water pressure test device is designed to overcome the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model aims at overcoming the deficiencies of prior art, and provides a kind of for pressure-bearing equipment automatic water pressure test device, which is simple and reasonable in structure, efficient, safe and stable, and accurate in test result.

[0005] The utility model is realized by the following technical scheme: a kind of for pressure-bearing equipment automatic water pressure test device, it includes water tank and pressure-bearing equipment, and is installed with test device between the two, the test device is composed of at least two centrifugal pumps, pressure stabilizing barrel, plunger pump, wherein water inlet and water outlet are formed on centrifugal pump, plunger pump is provided with water inlet, and water inlet is formed on pressure stabilizing barrel, and water inlet is connected with pressure-bearing equipment, the top of water tank is connected with the water outlet of centrifugal pump, and the lower portion of water tank is connected with the upper water inlet of centrifugal pump and the water inlet of plunger pump respectively through three-way valve.

[0006] As preferred: the centrifugal pump is provided with 2, and the bottom of one is installed with water outlet, and the bottom of another is installed with water inlet, the water inlet of the centrifugal pump is connected with the water inlet of plunger pump through three-way valve and water tank, the water outlet of centrifugal pump is connected with water tank at first end, and is connected with pressure stabilizing barrel at another end, and the water in pressure stabilizing barrel is flowed back to water tank.

[0007] As preferred: pressure transmitter and pressure gauge are also installed on the pressure stabilizing barrel, pressure relief port is installed on one side thereof, and the pressure stabilizing barrel is connected with 2 sets of centrifugal pump and pressure-bearing equipment and centrifugal pump and water tank through flange.

[0008] As preferred: electronic valve is formed on the pipeline connected with pressure stabilizing barrel, 2 centrifugal pumps, pressure-bearing equipment and plunger pump, and the electronic valve is controlled to realize automatic opening or closing by controller.

[0009] As preferred: pressure stabilizing barrel, 2 centrifugal pumps and plunger pump are installed on test table, and damping foot is installed in four corners of the test table.

[0010] The utility model discloses the beneficial effect is as follows:

[0011] 1, the utility model discloses the automatic water pressure test device for pressure-bearing equipment can be applicable to pressure-bearing equipment automatic water pressure test device, whole applicable scope is wide,

[0012] 2, the utility model discloses through 2 high flow centrifugal pumps realizes the purpose that pressure-bearing equipment is filled up and empties water fast, and then uses a small flow high lift plunger pump to make equipment to reach the pressure testing pressure, thereby improving the overall test accuracy,

[0013] 3, the utility model discloses the equipment is equipped with pressure transmitter and a plurality of pressure gauges, ensures that the pressure testing pressure is accurate and correct, thereby improving the overall test accuracy and guaranteeing the safe and efficient test,

[0014] 4, the utility model discloses the equipment can realize automatic pressure to the required pressure through the controller, and has automatic record and saves water pressure and pressure maintaining time,

[0015] 5, the utility model discloses when pressurizing sends water into pressure-bearing equipment, and sends water back to the water tank after the pressure testing is completed, realizes the purpose of recycling water resources, and saves resource cost. DRAWINGS

[0016] Figure 1 It is the flow schematic diagram of the utility model.

[0017] Figure 2 It is the front structure schematic diagram of the utility model.

[0018] Figure 3 It is the plan view of the utility model.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0020] In order to make those skilled in the art more clearly understand the purpose, technical scheme and advantages of the utility model, the following will be further described to the utility model in combination with the drawings and examples.

[0021] In the description of the utility model, it is understood that the orientation or position relation indicated by "upper", "lower", "left", "right", "inner", "outer", "horizontal", "vertical" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, therefore, it cannot be understood as the limitation to the utility model.

[0022] The utility model will be described in detail in combination with the drawings as follows: Figure 1As shown in the figure, an automatic water pressure test device for pressure equipment, which comprises a water tank 1 and a pressure equipment 2, and a test device 3 is installed between the two, as shown in the figure Figures 2-3 As shown in the figure, the test device 3 is composed of at least two centrifugal pumps 4, a pressure stabilizing barrel 5 and a plunger pump 6, wherein the centrifugal pump 4 is provided with a water inlet 7 and a water outlet 8, the plunger pump 6 is provided with a water inlet 10, and the pressure stabilizing barrel 5 is provided with a water inlet 9 connected with the pressure equipment 2, the water tank 1 is connected with the water outlet of the centrifugal pump 4 at the top, and the lower part of the water tank 1 is connected with the water inlet 7 of the centrifugal pump 4 and the water inlet 10 of the plunger pump through a three-way valve.

[0023] The utility model discloses a 2 high flow centrifugal pump realizes the purpose of pressure equipment fast supplement and emptying water, and then uses a small flow high lift plunger pump to make equipment reach the pressure test pressure, thereby improving the overall test accuracy. The utility model discloses when pressing, water is sent into the pressure equipment, and after the pressure test is completed, water is sent back to the water tank, realizes the purpose of recycling water resources, and saves the resource cost.

[0024] The centrifugal pump 4 is provided with 2, and the bottom of one is provided with a water outlet 8, and the bottom of the other is provided with a water inlet 7, the water inlet 7 of the centrifugal pump is connected with the water inlet 10 of the plunger pump through a three-way valve and a water tank 1, the water outlet of the centrifugal pump 4 is connected with the water tank 1 at the first end, and the other end is connected with the pressure stabilizing barrel 5, and the water in the pressure stabilizing barrel 5 is flowed back to the water tank 1.

[0025] The pressure stabilizing barrel 5 is further provided with a pressure transmitter 11 and a pressure gauge 12, and is provided with a pressure relief port 13 on one side, and the pressure stabilizing barrel 5 is connected with the two sets of centrifugal pumps 4 and the pressure equipment 2, and the centrifugal pump 4 and the water tank 1 are connected through flanges.

[0026] The utility model discloses a pressure transmitter and a plurality of pressure gauges are equipped with the equipment, ensure that the pressure test pressure is accurate and reliable, thereby improving the overall test accuracy and guaranteeing the safety and high efficiency of test. The pipeline that the pressure stabilizing barrel 5, 2 centrifugal pumps 4, pressure equipment 2, plunger pump 6 are connected is all provided with electronic valve 14, and the electronic valve 14 is controlled through controller and realizes automatic opening or closing.

[0027] The utility model discloses through controller (prior art) can realize automatic pressing to the required pressure, and adjust corresponding electronic valve opening and closing, improve the overall work efficiency, and can also automatically record and save water pressure and pressure maintaining time.

[0028] As shown in the figure Figure 4 As shown in the figure, the pressure stabilizing barrel 5, 2 centrifugal pumps 4 and plunger pump 6 are all installed on the test bench 15, and the test bench 15 is provided with shock absorbing feet 16 at four corners, so as to ensure that the equipment runs efficiently, stably and safely.

[0029] The specific embodiments described herein are merely illustrative of the principles of the present application and its efficacy, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed by the present application shall be covered by the claims of the present application.

Claims

1. An apparatus for automatic water pressure test of pressure equipment, comprising a water tank and pressure equipment, between which a test apparatus is installed, characterized in that: The test device is composed of at least two centrifugal pumps, a pressure stabilizing barrel and a plunger pump, wherein the centrifugal pumps are provided with water inlets and outlets, the plunger pump is provided with a water inlet, the pressure stabilizing barrel is provided with a water supply opening, the water supply opening is connected with the pressure-bearing equipment, the upper portion of the water tank is connected with the water outlets of the centrifugal pumps, and the lower portion of the water tank is connected with the water inlets of the centrifugal pumps and the plunger pump through a three-way valve.

2. The apparatus for automatic hydrostatic testing of pressure equipment according to claim 1, characterized in that: The centrifugal pumps are provided with two water inlets and two water outlets, one of the centrifugal pumps is provided with a water outlet at the bottom, and the other centrifugal pump is provided with a water inlet at the bottom, the water inlets of the centrifugal pumps are connected with the water inlet of the plunger pump through a three-way valve and the water tank, the first end of the water outlet of the centrifugal pump is connected with the water tank, and the other end is connected with the pressure stabilizing barrel, and the water in the pressure stabilizing barrel is returned to the water tank.

3. The apparatus for automatic hydrostatic testing of pressure equipment according to claim 1, characterized in that: The pressure stabilizing barrel is further provided with a pressure transmitter and a pressure gauge, and is provided with a pressure relief opening at one side, and the pressure stabilizing barrel is connected with the two sets of centrifugal pumps and the pressure-bearing equipment through flanges, and the centrifugal pumps are connected with the water tank through flanges.

4. The apparatus for automatic hydrostatic testing of pressure equipment according to claim 1, characterized in that: Electronic valves are arranged on the pipelines connected with the pressure stabilizing barrel, the two centrifugal pumps and the pressure-bearing equipment, and the centrifugal pumps and the water tank, and the electronic valves are controlled by a controller to automatically open or close.

5. The apparatus for automatic hydrostatic testing of pressure equipment according to claim 1, characterized in that: The pressure stabilizing barrel, the two centrifugal pumps and the plunger pump are mounted on a test bench, and the test bench is provided with damping feet at four corners.