CN112326465B - Diaphragm life testing device for hydraulic control valve - Google Patents
Diaphragm life testing device for hydraulic control valve Download PDFInfo
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- CN112326465B CN112326465B CN202011117718.0A CN202011117718A CN112326465B CN 112326465 B CN112326465 B CN 112326465B CN 202011117718 A CN202011117718 A CN 202011117718A CN 112326465 B CN112326465 B CN 112326465B
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- flange
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- control valve
- water inlet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The invention belongs to the technical field of testing devices, and particularly relates to a diaphragm service life testing device for a hydraulic control valve, which comprises a testing box, wherein one side in the testing box is connected with a water inlet pipe in a penetrating manner, the middle section of the water inlet pipe is provided with a water inlet pump, one end of the water inlet pipe is connected with a first flange, the other side in the testing box is connected with a water outlet pipe in a penetrating manner, one end of the water outlet pipe is provided with a second flange, the upper end and the lower end of the water outlet pipe are both provided with a first air cylinder, and one side of the first air cylinder is provided with a first telescopic rod; a first flange inner cavity is formed inside the first flange; the diaphragm is arranged between the inner cavity of the first flange and the inner cavity of the second flange, the water inflow is adjusted through the water inlet pump, so that the water pressure conditions under different use conditions are simulated, when the diaphragm is broken, water flows again, and at the moment, the flow meter can measure and calculate the maximum water pressure bearing value of the diaphragm according to the flow velocity of the water flow.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a diaphragm service life testing device for a hydraulic control valve.
Background
The hydraulic control valve is a general name, and is an automatic control valve formed by combining a main valve, a needle valve and a pilot valve which are arranged outside the main valve. The hydraulic control valve is a valve which controls the opening, closing and opening of the valve by using the pressure of water in a pipe network, and is an automatic valve which saves manpower and energy. The water supply system is widely applied to water supply network systems such as water power irrigation, high-rise buildings, fire-fighting systems, municipal water supply and drainage, electric power and the like. It has the functions of automatic water level control, pressure reduction, pressure relief, pressure maintaining, regulation, non-return, water hammer elimination, switch, etc. The additional pipelines and the pilot valve can be changed according to different requirements to achieve the required functions.
The hydraulic control valve is a valve which is opened, closed and adjusted by taking the pressure difference delta p of upstream and downstream pipelines of the pipeline system as power and controlling the pressure difference delta p by a pilot valve to make a diaphragm hydraulically and differentially operate; the diaphragm is an important element for opening and closing the diaphragm type hydraulic control valve, and the service life of the diaphragm is one of the product quality standards of the hydraulic control valve.
However, no device for testing the service life of the hydraulic control valve diaphragm exists in the current market, the traditional testing mode is based on the compression resistance test of rubber materials, the testing mode is not intuitive enough, the real situation of the diaphragm in the actual use situation cannot be simulated, and the tested data is lack of reliability.
In order to solve the problems, the application provides a diaphragm service life testing device for a hydraulic control valve.
Disclosure of Invention
Object of the invention
The diaphragm life testing device for the hydraulic control valve is simple in structure, the first flange and the second flange can be opened and closed through the arranged first air cylinder and the arranged first telescopic rod, the first flange and the second flange are separated, the diaphragm can be placed between the first flange and the second flange, the mounting operation of the diaphragm is completed, the water inflow is adjusted through the arranged water inlet pump, the water pressure conditions under different using conditions are simulated, when the diaphragm is broken, water flows flow flows again, the flow meter can measure and calculate the maximum water pressure bearing value of the diaphragm according to the water flow speed, the value is transmitted to the control mechanism through the wireless transmission mechanism to be recorded, the testing mode is simple and rapid, the accuracy is high, and the popularization value is good.
(II) technical scheme
In order to solve the problems, the invention provides a diaphragm service life testing device for a hydraulic control valve, which comprises a testing box, wherein one side in the testing box is connected with a water inlet pipe in a penetrating manner, the middle section of the water inlet pipe is provided with a water inlet pump, one end of the water inlet pipe is connected with a first flange, the other side in the testing box is connected with a water outlet pipe in a penetrating manner, one end of the water outlet pipe is provided with a second flange, the upper end and the lower end of the water outlet pipe are both provided with a first air cylinder, and one side of the first air cylinder is provided with a first telescopic rod;
a flange inner chamber is arranged inside the first flange, a second flange inner chamber is arranged inside the second flange, and diaphragms are arranged inside the first flange inner chamber and the second flange inner chamber.
Preferably, a flowmeter support is arranged inside the water inlet pipe, and a flowmeter is arranged inside the flowmeter support.
Preferably, the paddle is arranged in the flowmeter, and the wireless transmission mechanism is arranged on one side of the flowmeter.
Preferably, a second cylinder is arranged in the water outlet pipe, and a pricking pin is arranged on one side of the second cylinder.
Preferably, a piston is arranged inside the first air cylinder, one side of the piston is connected with a first telescopic rod, and one end of the first telescopic rod is connected with a second flange.
Preferably, the surface of the test box is provided with a box door.
Preferably, a hinge is arranged on one side of the box door, and the box door is connected with the test box through the hinge.
Preferably, a handle is arranged on the surface of the box door.
Preferably, a clamp is arranged between the water inlet pipe and the test box, and a fastening bolt is connected to the inner wall of the clamp in a penetrating manner.
Preferably, a control mechanism is arranged below the inside of the test box.
The technical scheme of the invention has the following beneficial technical effects:
1. the diaphragm is arranged between the inner cavity of the first flange and the inner cavity of the second flange, the water inflow is adjusted through the water inlet pump, so that the water pressure conditions under different use conditions are simulated, when the diaphragm is broken, water flows again, and at the moment, the flow meter can measure and calculate the maximum water pressure bearing numerical value of the diaphragm according to the flow velocity of the water flow, the testing mode is simple and rapid, the accuracy is high, and the popularization value is good;
2. through the second cylinder and the pricking pins, the membrane can be punctured in the membrane testing process, so that the puncture-resistant strength of the membrane can be tested, the testing data can be collected through the control mechanism, the specific model of the control mechanism is a PLC (programmable logic controller) of Siemens S7-200 model, and the simple control in the device can be operated by utilizing a program.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the flange cavity of the present invention;
FIG. 4 is a schematic view of the internal structure of the water inlet pipe according to the present invention;
FIG. 5 is a schematic view of the internal structure of the outlet pipe of the present invention;
FIG. 6 is a schematic view of the structure of the clamp of the present invention;
fig. 7 is a schematic view of the internal structure of the first cylinder in the present invention.
In the figure: 1. a test box; 2. a water inlet pipe; 3. a water inlet pump; 4. clamping a hoop; 5. a first flange; 6. a water outlet pipe; 7. a second flange; 8. a membrane; 9. a first cylinder; 10. a first telescopic rod; 11. a control mechanism; 12. a box door; 13. a hinge; 14. a handle; 15. a flow meter support; 16. a flow meter; 17. a paddle; 18. a wireless transmission mechanism; 19. a second cylinder; 20. a needle; 21. a first flange inner cavity; 22. the inner cavity of the second flange; 23. fastening a bolt; 24. a piston.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and 3, the diaphragm life testing device for the hydraulic control valve provided by the invention comprises a testing box 1, wherein one side inside the testing box 1 is connected with a water inlet pipe 2 in a penetrating manner, the middle section of the water inlet pipe 2 is provided with a water inlet pump 3, one end of the water inlet pipe 2 is connected with a first flange 5, the other side inside the testing box 1 is connected with a water outlet pipe 6 in a penetrating manner, one end of the water outlet pipe 6 is provided with a second flange 7, the upper end and the lower end of the water outlet pipe 6 are both provided with a first air cylinder 9, and one side of the first air cylinder 9 is provided with a first telescopic rod 10;
a flange inner chamber 21 is arranged inside the first flange 5, a second flange inner chamber 22 is arranged inside the second flange 7, and the diaphragm 8 is arranged inside the first flange inner chamber 21 and the second flange inner chamber 22.
In this embodiment, one end of the first telescopic rod 10 is connected with the second flange 7, and a control mechanism 11 is arranged below the inside of the test box 1.
It should be noted that, through the first cylinder 9 and the first telescopic rod 10, the first flange 5 and the second flange 7 can be opened and closed, the first flange 5 and the second flange 7 are separated, the diaphragm 8 can be placed between the first flange 5 and the second flange 7, the installation operation of the diaphragm 8 is completed, the water inflow is adjusted through the arranged water inlet pump 3, so that the water pressure conditions under different use conditions are simulated, when the diaphragm 8 is broken by burst, the water flow flows again, at this time, the flowmeter 16 can measure and calculate the maximum water pressure bearing numerical value of the diaphragm 8 according to the water flow velocity, the numerical value is transmitted to the control mechanism 11 through the wireless transmission mechanism 18 for recording, the test mode is simple and quick, the accuracy is high, and the device has good popularization value, through the arranged first flange inner cavity 21 and the second flange inner cavity 22, the test space of the diaphragm 8 can be formed, through the arranged test box 1, the frame protection can be formed, on one hand, the structural strength of the device can be effectively increased, on the other hand, the beauty of the device can be effectively increased, the carrying is convenient, the connection between the water outlet pipe 6 and the sliding type flange operation box 1, and the sliding type flange operation of the sliding type flange 7 can be realized, and the sliding type flange operation of the sliding type flange 7 can be performed.
As shown in fig. 2, it should be further noted that a door 12 is disposed on a surface of the test box 1, a hinge 13 is disposed on one side of the door 12, the door 12 is connected to the test box 1 through the hinge 13, and a handle 14 is disposed on a surface of the door 12.
In this embodiment, the inside of the apparatus can be protected by the door 12, and the appearance of the apparatus can be enhanced.
As shown in fig. 4-5, a flow meter support 15 is arranged inside the water inlet pipe 2, a flow meter 16 is arranged inside the flow meter support 15, a paddle 17 is arranged inside the flow meter 16, a wireless transmission mechanism 18 is arranged on one side of the flow meter 16, a second cylinder 19 is arranged inside the water outlet pipe 6, and a needle 20 is arranged on one side of the second cylinder 19.
In the embodiment, the second cylinder 19 and the pricking pin 20 are arranged, so that the membrane 8 can be punctured in the process of testing the membrane 8, the puncture-resistant strength of the membrane 8 is tested, the second cylinder 19 controls the pricking pin 20 to press forwards, the membrane 8 can be tested when the pricking pin 20 contacts with the membrane 8, impact of impurities in water on the membrane 8 in the using process is simulated, test data can be collected through the arranged control mechanism 11, the specific model of the control mechanism 11 is a PLC (programmable logic controller) controller of Siemens S7-200 model, and simple control in the device can be operated by using a program.
As shown in fig. 6-7, a piston 24 is arranged inside the first cylinder 9, one side of the piston 24 is connected with a first telescopic rod 10, one end of the first telescopic rod 10 is connected with a second flange 7, a hoop 4 is arranged between the water inlet pipe 2 and the test box 1, and a fastening bolt 23 is connected to the inner wall of the hoop 4 in a penetrating manner.
In this embodiment, through the clamp 4 that sets up, can carry out spacing and fixed operation to inlet tube 2, through the piston 24 that sets up, can impel forward under compressed air's effect and impel telescopic link 10 backward to realize the operation of opening and shutting of a flange 5 and No. two flanges 7, be connected for fixed between inlet tube 2 and the 1 box of test box, accessible fastening bolt 23 is dismantled and is fixed.
The working principle is as follows: when the device is used, the first flange 5 and the second flange 7 can be opened and closed through the first air cylinder 9 and the first telescopic rod 10, the first flange 5 and the second flange 7 are separated, the diaphragm 8 can be placed between the first flange 5 and the second flange 7, the installation operation of the diaphragm 8 is completed, the water inflow is adjusted through the arranged water inlet pump 3, the water pressure conditions under different use conditions are simulated, when the diaphragm 8 is broken through, water flows again, at the same time, the flow meter 16 can measure and calculate the maximum water pressure bearing numerical value of the diaphragm 8 according to the water flow velocity, the numerical value is transmitted to the control mechanism 11 through the wireless transmission mechanism 18 for recording, the test mode is simple and quick, the accuracy is high, and through the second air cylinder 19 and the pricking pin 20, the puncture operation can be performed on the diaphragm 8 in the test process of the diaphragm 8, the puncture-proof strength of the membrane 8 is tested, the second cylinder 19 controls the puncture needle 20 to apply pressure forwards, the puncture needle 20 can be tested when contacting the membrane 8 to simulate the impact of impurities in water on the membrane 8 in the using process of the membrane 8, the test data can be collected through the arranged control mechanism 11, the specific model of the control mechanism 11 is a PLC (programmable logic controller) of Siemens S7-200 model, the simple control in the device can be operated by utilizing a program, the water inlet pipe 2 can be limited and fixed through the arranged clamp 4, the first telescopic rod 10 can be pushed forwards and backwards under the action of compressed air through the arranged piston 24, so that the opening and closing operations of the first flange 5 and the second flange 7 are realized, the inside of the device can be protected through the arranged box door 12, and the attractiveness of the device can be improved, through flange inner chamber 21 and No. two flange inner chambers 22 that set up, can form the test space of diaphragm 8, test box 1 through setting up, can form the frame protection, on the one hand can effectively increase the structural strength of device, on the other hand can effectively increase the pleasing to the eye degree of device, conveniently carry, be fixed connection between inlet tube 2 and the 1 box of test box, accessible fastening bolt 23 is dismantled and is fixed, be sliding type connection between outlet pipe 6 and the 1 box of test box, outlet pipe 6 can slide between the 1 box of test box, thereby realize the operation that opens and shuts of flange 5 and No. two flanges 7.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The diaphragm service life testing device for the hydraulic control valve comprises a testing box (1) and is characterized in that one side inside the testing box (1) is connected with a water inlet pipe (2) in a penetrating manner, a water inlet pump (3) is arranged in the middle section of the water inlet pipe (2), one end of the water inlet pipe (2) is connected with a first flange (5), the other side inside the testing box (1) is connected with a water outlet pipe (6) in a penetrating manner, one end of the water outlet pipe (6) is provided with a second flange (7), the upper end and the lower end of the water outlet pipe (6) are respectively provided with a first air cylinder (9), and one side of the first air cylinder (9) is provided with a first telescopic rod (10);
a first flange inner cavity (21) is formed in the first flange (5), a second flange inner cavity (22) is formed in the second flange (7), and diaphragms (8) are arranged in the first flange inner cavity (21) and the second flange inner cavity (22);
a flowmeter support (15) is arranged in the water inlet pipe (2), and a flowmeter (16) is arranged in the flowmeter support (15);
no. two cylinders (19) are arranged in the water outlet pipe (6), a puncturing needle (20) is arranged on one side of each cylinder (19), the membrane (8) can be punctured in the membrane (8) testing process through the arranged cylinders (19) and the puncturing needles (20), so that the puncture-proof strength of the membrane (8) is tested, the cylinders (19) control the puncturing needles (20) to apply pressure forwards, and the membrane (8) can be tested when the puncturing needles (20) contact with the membrane, so that impact of impurities in the water of the membrane (8) on the membrane (8) in the using process is simulated.
2. The diaphragm life testing device for the hydraulic control valve is characterized in that a paddle (17) is arranged inside the flow meter (16), and a wireless transmission mechanism (18) is arranged on one side of the flow meter (16).
3. The diaphragm life testing device for the hydraulic control valve according to claim 1, wherein a piston (24) is arranged inside the first cylinder (9), one side of the piston (24) is connected with the first telescopic rod (10), and one end of the first telescopic rod (10) is connected with the second flange (7).
4. The diaphragm life test device for the hydraulic control valve is characterized in that the surface of the test box (1) is provided with a box door (12).
5. The diaphragm life testing device for the hydraulic control valve is characterized in that one side of the box door (12) is provided with a hinge (13), and the box door (12) is connected with the testing box (1) through the hinge (13).
6. The diaphragm life testing device for the hydraulic control valve is characterized in that a handle (14) is arranged on the surface of the box door (12).
7. The diaphragm life test device for the hydraulic control valve according to claim 1, wherein a clamp (4) is arranged between the water inlet pipe (2) and the test box (1), and a fastening bolt (23) penetrates through the inner wall of the clamp (4).
8. The diaphragm life test device for the hydraulic control valve is characterized in that a control mechanism (11) is arranged below the inside of the test box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117718.0A CN112326465B (en) | 2020-10-19 | 2020-10-19 | Diaphragm life testing device for hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117718.0A CN112326465B (en) | 2020-10-19 | 2020-10-19 | Diaphragm life testing device for hydraulic control valve |
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| CN112326465A CN112326465A (en) | 2021-02-05 |
| CN112326465B true CN112326465B (en) | 2022-10-28 |
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| CN202011117718.0A Active CN112326465B (en) | 2020-10-19 | 2020-10-19 | Diaphragm life testing device for hydraulic control valve |
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| CN112326465A (en) | 2021-02-05 |
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