CN215178589U - Valve comprehensive test platform - Google Patents

Abstract

The utility model discloses a valve comprehensive test platform, which comprises a water tank, wherein a water pump is arranged at the bottom of the water tank, a water outlet pipe is arranged on the water pump, the water outlet pipe is connected with a main pipe, and a touch display screen is arranged at one side of the water tank; the water outlet pipe is provided with a water pump working condition pressure gauge and a water pump working condition adjusting valve, the main pipe is connected with a branch water pipe, and the branch water pipe is provided with a test pressure gauge; the main pipe is provided with a valve interface and a high-low pressure simulation interface. The utility model has multiple purposes, the highest testing pressure is 10bar and can be adjusted, and the testing of valves with different pressure grades and the operation condition of the analog valve under different pressure conditions can be met; the pressure reducing valve or the pressure holding valve can be simulated to input and output water so as to test the functions of the pressure reducing valve or the pressure holding valve; the touch screen can count the opening and closing times of the valve to display the service life of the valve diaphragm; the main pipe can be used for simultaneously testing the valves with four specifications or independently testing the valves, the testing water is recycled, and the device is energy-saving, environment-friendly and low in cost.

Description

Valve comprehensive test platform

Technical Field

The utility model relates to the technical field of valves, specifically be a valve combined test platform.

Background

The domestic automatic agricultural irrigation system is started late, most of valves depend on import, and the production of foreign irrigation valves is also concentrated in a few large enterprises across the country; irrigation valves are subdivided, the production of domestic irrigation valves is just started, and available testing equipment can only be butterfly valves or gate valve testing equipment for common industry, and is focused on the detection of sealing performance and pressure bearing capacity, but the functionality is not involved. The key points of the irrigation valve to be tested are whether the valve function can be realized and the service life of the valve; the agricultural irrigation valve is a necessary control device of modern agricultural, forestry and forestry irrigation systems, and is divided into a switch valve, a pressure reducing valve and a pressure holding valve according to different use functions; the switch valve is used for switching the on-off of the water path, the pressure reducing valve is used for limiting the pressure of the water outlet end of the valve so as to protect downstream equipment to operate under certain pressure, and the pressure holding valve can be used for limiting the pressure of the water inlet end so as to ensure that upstream equipment operates under certain pressure. The valve is designed, a test platform cannot be separated during production and inspection, the reasonability of a structure, the strength and the service life of parts need to be confirmed through tests during research and development, and the stability of the product quality needs to be tested by sampling periodically during production; the test platform can demonstrate product functions for users and can also be used for worker technical training, the existing valve is intelligent, and the controller is required to be matched for use, so that the functions of the controller can be indirectly tested, and in order to improve product quality and meet higher requirements of users, domestic valve manufacturers urgently need a valve comprehensive test platform.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a valve comprehensive test platform, which adopts a brand new structure design, has multiple purposes, has the highest test pressure of 10bar and can be adjusted to meet the test of valves with different pressure levels and the operation conditions of the similar valves under different pressure conditions; additionally arranging two branch pipes, wherein two pressure difference values can be manufactured by switching of the small ball valve so as to simulate the water inlet and outlet of the pressure reducing valve or the pressure holding valve and test the functions of the pressure reducing valve or the pressure holding valve; the PLC and the touch screen are used for controlling, and the number of times of opening and closing the valve can be counted on the touch screen to display the service life of a valve diaphragm; the main pipe is provided with the interfaces with four sizes, so that the valve test with four specifications can be simultaneously carried out, or the valve test can be independently carried out, the test water is recycled, the energy is saved, the environment is protected, and the cost is low, so that the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: a valve comprehensive test platform comprises a water tank, wherein a water pump is installed at the bottom of the water tank, a water outlet pipe is installed on the water pump, the water outlet pipe is connected with a main pipe through an elbow, the main pipe is fixed at the top of the water tank through a supporting seat, a touch display screen is installed on one side of the water tank through a support, and the touch display screen is controlled by a PLC (programmable logic controller); the water outlet pipe is provided with a water pump working condition pressure gauge and a water pump working condition adjusting valve; the main pipe is connected with a branch water pipe, one end of the branch water pipe is inserted in the water tank, and a test pressure gauge is installed on the branch water pipe; the main pipe is provided with four valve interfaces with different specifications, a high-low pressure simulation interface is arranged between the four valve interfaces with different specifications, and the main pipe is also provided with a system pressure gauge.

Preferably, the high-low pressure simulation interfaces are at least provided with two groups, and the two groups of high-low pressure simulation interfaces are provided with small adjusting ball valves.

Preferably, the valve interface is provided with four valves with different specifications and sizes and butt-jointed with the valves with corresponding sizes.

Preferably, the water pump adopts a multi-stage centrifugal pump, and the pressure is 10 bar.

Preferably, the operating pressure of the water pump is controlled by a water pump working condition regulating valve.

Preferably, the test pressure of the water pump is adjusted between 0.1 and 10bar through four specifications of valves with valve ports connected in parallel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the valve comprehensive test platform has the advantages that the highest test pressure is 10bar, and the valve comprehensive test platform can be adjusted to meet the test of valves with different pressure grades and simulate the operation conditions of the valves working under different pressure conditions; and a branch water pipe is additionally arranged, and two paths of pressure difference values can be manufactured by adjusting the switching of the small ball valve so as to simulate the water inlet and outlet of the pressure reducing valve or the pressure holding valve and test the functions of the pressure reducing valve or the pressure holding valve.

2. According to the valve comprehensive test platform, the touch display screen is provided with the PLC, and the PLC can count the opening and closing times of the valve so as to display the service life of a valve diaphragm; the main pipe is provided with the valve ports with four sizes, valve tests with four specifications can be simultaneously carried out, or the valves can be independently tested, test water is used along the bad direction, and the device is energy-saving, environment-friendly and low in cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

fig. 2 is a schematic diagram of the simulation of high and low pressures of the present invention.

In the figure: 1. a water tank; 2. a water pump; 3. a water outlet pipe; 4. a main pipe; 5. a touch display screen; 6. a PLC controller; 7. a water pump working condition pressure gauge; 8. a water pump working condition regulating valve; 9. a branched water pipe; 10. testing the pressure gauge; 11. a valve interface; 12. a high-low voltage analog interface; 13. a system pressure gauge; 14. and adjusting the small ball valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the valve comprehensive test platform comprises a water tank 1, wherein a water pump 2 is installed at the bottom of the water tank 1, a water outlet pipe 3 is installed on the water pump 2, the water outlet pipe 3 is connected with a main pipe 4 through an elbow, the main pipe 4 is fixed at the top of the water tank 1 through a support seat, a touch display screen 5 is installed on one side of the water tank 1 through a support, and the touch display screen 5 is controlled by a PLC (programmable logic controller) 6; a water pump working condition pressure gauge 7 and a water pump working condition adjusting valve 8 are arranged on the water outlet pipe 3; a branch water pipe 9 is connected to the main pipe 4, one end of the branch water pipe 9 is inserted into the water tank 1, and a test pressure gauge 10 is installed on the branch water pipe 9; the main pipe 4 is provided with four valve interfaces 11 with different specifications, a high-low pressure simulation interface 12 is arranged between the four valve interfaces 11 with different specifications, and the main pipe 4 is also provided with a system pressure gauge 13.

Referring to fig. 2, in the above embodiment, at least two sets of high-low pressure simulation interfaces 12 are provided, and the small adjusting ball valves 14 are installed on the two sets of high-low pressure simulation interfaces 12, so that two pressure difference values can be manufactured by switching the small adjusting ball valves 14, so as to simulate the water inlet and outlet of the pressure reducing valve or the pressure holding valve, and test the functions of the pressure reducing valve or the pressure holding valve.

In the above embodiment, the valve interface 11 has four different specifications and sizes, and is connected to valves with corresponding sizes, so that the valve tests with four specifications can be performed simultaneously, and the valve tests can also be performed independently.

In the above embodiment, the water pump 2 adopts a multistage centrifugal pump, the pressure is 10bar, the operating pressure of the water pump 2 is controlled by the water pump working condition regulating valve 8, and the water pump is ensured to operate in a stable state; the testing pressure of the water pump 2 is adjusted between 0.1 bar and 10bar through the valves with four specifications connected in parallel with the valve interface 11, the whole testing water is recycled, and the water-saving environment-friendly water-saving testing device is energy-saving, environment-friendly and low in cost.

The working principle is as follows: according to the valve comprehensive test platform, the water pump 2 adopts a multistage centrifugal pump, the pressure is 10bar, the running pressure of the water pump 2 is adjusted by connecting the valves in series through the water outlet pipe 3, and the water pump 2 is ensured to run in a stable state; the testing pressure is adjusted through the valve connected with the water outlet pipe 3 in parallel, and the pressure is adjustable between 0.1 bar and 10bar, so that the testing of valves with different pressure grades is met, and the running conditions of the valves under different pressure conditions are simulated; the touch display screen 5 and the PLC 6 are used for counting the switching times, accumulating and returning to zero, and displaying the service life of a valve diaphragm; the main pipe 4 is connected with a branch water pipe 9, different pressures can be simulated through switching of a switch on the branch water pipe 9 so as to test the functions of a pressure reducing valve or a pressure holding valve, and the device is multipurpose, simple and compact.

In summary, the following steps: the valve comprehensive test platform has the advantages that the highest test pressure is 10bar, and the valve comprehensive test platform can be adjusted to meet the test of valves with different pressure grades and simulate the operation conditions of the valves working under different pressure conditions; a branch water pipe 9 is additionally arranged, and two paths of pressure difference values can be manufactured by adjusting the switching of the small ball valve 14 so as to simulate the water inlet and outlet of a pressure reducing valve or a pressure holding valve and test the functions of the pressure reducing valve or the pressure holding valve; the number of times of opening and closing the valve can be counted on the touch display screen 5 to display the service life of the valve diaphragm; the main pipe 4 is provided with the valve interfaces 11 with four sizes, so that valve tests with four specifications can be simultaneously carried out or independently tested, test water is used in a bad way, and the device is energy-saving, environment-friendly and low in cost.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a valve combined test platform, includes water tank (1), its characterized in that: the water tank is characterized in that a water pump (2) is installed at the bottom of the water tank (1), a water outlet pipe (3) is installed on the water pump (2), the water outlet pipe (3) is connected with a main pipe (4) through an elbow, the main pipe (4) is fixed to the top of the water tank (1) through a supporting seat, a touch display screen (5) is installed on one side of the water tank (1) through a support, and the touch display screen (5) is controlled by a PLC (programmable logic controller) (6); a water pump working condition pressure gauge (7) and a water pump working condition adjusting valve (8) are arranged on the water outlet pipe (3); a branch water pipe (9) is connected to the main pipe (4), one end of the branch water pipe (9) is inserted into the water tank (1), and a test pressure gauge (10) is installed on the branch water pipe (9); be equipped with valve interface (11) of four kinds of different specifications on being responsible for (4), be equipped with high-low pressure simulation interface (12) between valve interface (11) of four kinds of different specifications, still install system pressure table (13) on being responsible for (4).

2. The valve comprehensive test platform according to claim 1, characterized in that: the high-low pressure simulation interfaces (12) are at least provided with two groups, and the two groups of high-low pressure simulation interfaces (12) are provided with small adjusting ball valves (14).

3. The valve comprehensive test platform according to claim 1, characterized in that: the valve interface (11) is provided with four valves with different specifications and sizes and butt-jointed with the valves with corresponding sizes.

4. The valve comprehensive test platform according to claim 1, characterized in that: the water pump (2) adopts a multistage centrifugal pump, and the pressure is 10 bar.

5. The valve comprehensive test platform according to claim 1, characterized in that: the operating pressure of the water pump (2) is controlled by a water pump working condition regulating valve (8).

6. The valve comprehensive test platform according to claim 1, characterized in that: the testing pressure of the water pump (2) is adjusted between 0.1 bar and 10bar through four specifications of valves connected in parallel with the valve interface (11).

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