CN213336767U - Testing device for simulating working state of valve in underwater environment - Google Patents
Testing device for simulating working state of valve in underwater environment Download PDFInfo
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- CN213336767U CN213336767U CN202022116138.1U CN202022116138U CN213336767U CN 213336767 U CN213336767 U CN 213336767U CN 202022116138 U CN202022116138 U CN 202022116138U CN 213336767 U CN213336767 U CN 213336767U
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Abstract
The utility model relates to a simulation is valve operating condition's test device among environment under water, including the inside test chamber that is formed with the holding chamber, full water in the holding intracavity, the one end of first pressure pipeline and second pressure pipeline all is linked together with the holding chamber, the one end of third pressure pipeline and fourth pressure pipeline is connected with the entry end and the exit end of valve under water respectively, first pressure pipeline, the other end of second pressure pipeline and third pressure pipeline all stretches out to the outside in holding chamber, and first pressure pipeline is connected with first pressure equipment that supplies, the third pressure pipeline supplies with the second to press equipment to be connected. The utility model provides a lack the technical problem that test equipment carries out the inspection to the performance of valve under water.
Description
Technical Field
The utility model relates to a deep water oil gas bores and adopts the equipment field, especially relates to a simulation is valve operating condition's in the environment under water test device.
Background
With the development of marine oil and gas development technology, marine drilling and oil production equipment will be gradually localized. The safety, reliability and the like of marine underwater products are important assessment indexes of marine equipment and also necessary conditions for establishing user confidence and forming product development, and the performance of an underwater valve serving as an important component of an underwater wellhead directly influences the performance of the underwater wellhead.
At the present stage, the performance of a product cannot be effectively verified due to serious shortage of test matching conditions in China, so that a plurality of research results can only stay on characters or paper, underwater test verification cannot be carried out even if the product is tested, a simulation test means is not used for detection, and great obstruction is brought to the development and the trial of an underwater valve.
Aiming at the problem that the performance of an underwater valve is tested by lack of underwater test equipment in the related technology, an effective solution is not provided at present.
Therefore, the inventor provides a test device for simulating the working state of the valve in the underwater environment by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simulation is valve operating condition's in environment under water test device can carry out high-voltage test to the environment under water of valve work under water, simple structure, easy and simple to handle, security height to can guarantee that the test accords with valve operating condition's under water standard, for the development of valve under water and try to provide effectual data support and reference, be favorable to promoting the research and the development of valve under water.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a test device for simulating the working state of a valve in an underwater environment, which comprises a test cabin, wherein a holding cavity for simulating the underwater environment is formed inside the test cabin, the holding cavity is filled with water, the test cabin is provided with a first pressure pipeline and a second pressure pipeline which are matched with each other to adjust the test pressure in the holding cavity, one end of the first pressure pipeline and one end of the second pressure pipeline are both communicated with the inside of the holding cavity, the other end of the first pressure pipeline and the other end of the second pressure pipeline are both extended out of the holding cavity, and the first pressure pipeline is connected with a first pressure supply device;
the underwater valve to be detected is arranged in the accommodating cavity, a driving device for controlling the underwater valve to open and close is further arranged in the accommodating cavity, the inlet end and the outlet end of the underwater valve are respectively connected with one end of a third pressure pipeline and one end of a fourth pressure pipeline, the other end of the third pressure pipeline extends out of the accommodating cavity, and the third pressure pipeline is connected with a second pressure supply device.
The utility model discloses an in a preferred embodiment, the test device of valve operating condition still is including gathering in the simulation underwater environment the data acquisition equipment of valve operating condition data under water, data acquisition equipment set up in the outside in holding chamber, data acquisition equipment's data receiving terminal with drive arrangement's data output end first supply press the data output end of equipment with the second supplies the data output end of pressing the equipment to connect.
The utility model discloses a in a preferred embodiment, the test chamber includes the cabin body and cabin cover, the cabin body is open-top, the tubular structure that the bottom sealed, the cabin cover lid is located the open-top department of the cabin body, with the bottom of cabin cover with enclose between the inner wall of the cabin body and form the holding chamber, the cabin cover with be connected with a plurality of first bolts between the cabin body.
In a preferred embodiment of the present invention, the cabin body and the cabin cover are sandwiched with a first sealing gasket.
The utility model discloses an in a preferred embodiment, first through-hole and second through-hole have been seted up on the lateral wall of the cabin body, first through-hole department with second through-hole department is provided with first sealing flange and second sealing flange respectively, first pressure pipeline with third pressure pipeline all passes first sealing flange passes through first through-hole stretches into to the holding intracavity, second pressure pipeline with fourth pressure pipeline all passes second sealing flange passes through the second through-hole stretches into to the holding intracavity.
In a preferred embodiment of the present invention, the chamber body and the first sealing flanges and the chamber body and the second sealing flanges are respectively clamped with a second sealing gasket.
In a preferred embodiment of the present invention, the first sealing flange and the space between the cabin bodies and the second sealing flange and the space between the cabin bodies are respectively connected with a plurality of second bolts.
The utility model discloses an in a preferred embodiment, state and be provided with the exhaust pipe of clean on the proof chamber holding intracavity air, exhaust pipe is located the top of proof chamber, exhaust pipe's one end with the top in holding chamber is linked together, exhaust pipe's the other end passes the roof of proof chamber stretches out to the top of proof chamber, be provided with discharge valve on the exhaust pipe.
The utility model discloses an in a preferred embodiment, actuating device is the driving cylinder, there is the pole chamber and no pole chamber in the inside of driving cylinder is cut apart into through the piston, there is the pole intracavity to be provided with the piston rod, the one end of piston rod with the piston is connected, the other end of piston rod stretch out to the outside of driving cylinder and with the inside valve body of valve is connected under water.
The utility model discloses an in a preferred embodiment, the driving cylinder is the pneumatic cylinder, be provided with first hydraulic pressure pipeline and second hydraulic pressure pipeline on the pneumatic cylinder, first hydraulic pressure pipeline's one end with no pole chamber is linked together, first hydraulic pressure pipeline's the other end stretch out to the outside in holding chamber is connected with hydraulic pressure adjusting equipment, second hydraulic pressure pipeline's one end with there is the pole chamber to be linked together, second hydraulic pressure pipeline's the other end stretch out to the outside in holding chamber.
In a preferred embodiment of the present invention, the holding chamber is provided with a support frame inside, and the underwater valve is placed on the top of the support frame.
In a preferred embodiment of the present invention, the supporting frame is a plate-shaped structure disposed along the horizontal direction, the edge of the supporting frame is connected to the inner wall of the accommodating chamber, a plurality of reinforcing ribs are disposed below the supporting frame, and each of the reinforcing ribs is connected to the bottom of the supporting frame and the inner wall of the accommodating chamber.
The utility model discloses an in a preferred embodiment, the test device of valve operating condition still includes the drainage pipe way in the simulation underwater environment, the drainage pipe way is located the bottom of test chamber, the one end of drainage pipe way with the bottom in holding chamber is linked together, the other end of drainage pipe way passes the diapire of test chamber stretches out to the below of test chamber, be provided with the flowing back valve on the flowing back pipeline.
The utility model discloses an in the preferred embodiment, the simulation is valve operating condition's among the underwater environment test device still includes the pressure regulating pipeline, the pressure regulating pipeline set up in on the lateral wall of proof test chamber, the one end of pressure regulating pipeline with the holding chamber is linked together, the other end of pressure regulating pipeline passes the lateral wall of proof test chamber stretches out to the outside of proof test chamber, be provided with the relief valve on the pressure regulating pipeline.
In a preferred embodiment of the present invention, the first pressure supply device and the second pressure supply device are both disposed outside the accommodating chamber.
From above, the utility model discloses a simulation is valve operating condition's test device's in the environment under water characteristics and advantage are: the inside in experimental cabin is formed with the holding chamber that fills with water, and the water environment in the holding intracavity is arranged in to the valve under water that will be detected, is provided with first pressure pipeline and the second pressure pipeline that is linked together with the holding chamber on the experimental cabin, can pressurize and the pressure release is adjusted the holding chamber according to test pressure's needs through first pressure pipeline and second pressure pipeline to the pressure of control holding intracavity water environment satisfies different test requirements, increases the utility model discloses an application scope. In addition, the inlet end and the outlet end of the underwater valve to be detected are respectively connected with the third pressure pipeline and the fourth pressure pipeline, and the interior of the underwater valve can be pressurized and subjected to pressure relief adjustment, so that the working pressure of the underwater valve is controlled, the working pressure of the underwater valve and the number of times of controlling the underwater valve to be opened and closed in unit time by the driving device are collected, and the working state and the performance of the underwater valve in underwater environments with different pressures can be known.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: do the utility model discloses the simulation is valve operating condition's in the environment test device's under water schematic structure.
FIG. 2: do the utility model discloses the structural schematic diagram of an embodiment among the test device of valve operating condition among the simulation underwater environment.
FIG. 3: do the utility model discloses the structural schematic diagram of test cabin in the test device of valve operating condition among the simulation underwater environment.
FIG. 4: is a structural schematic diagram of an underwater valve in the prior art.
FIG. 5: do the utility model discloses electric structure block diagram among valve operating condition's the test device among the simulation underwater environment.
The utility model provides an reference numeral does:
1. a test chamber; 101. A cabin body;
102. a hatch cover; 103. An accommodating cavity;
104. a first through hole; 105. A second through hole;
106. a first sealing flange; 107. A second sealing flange;
108. a first bolt; 109. A second bolt;
2. a support frame; 201. Reinforcing ribs;
3. a first pressure line; 4. A third pressure line;
5. a fourth pressure line; 6. A second pressure line;
7. a data acquisition device; 8. A first hydraulic line;
9. a second hydraulic line; 10. A hydraulic pressure adjusting device;
11. a safety valve; 12. A pressure regulating pipeline;
13. an exhaust line; 14. An exhaust valve;
15. a drainage line; 16. A drain valve;
17. an underwater valve; 1701. An inlet end;
1702. an outlet end; 18. A drive device;
1801. a piston rod; 19. A second pressure supply device;
20. a first pressure supply device.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the utility model provides a simulation is valve operating condition's in environment under water test device, simulation is valve operating condition's in environment under water test device includes test chamber 1, test chamber 1's inside is formed with holding chamber 103, full water in holding chamber 103, thereby simulate environment under water in holding chamber 103, be provided with first pressure pipeline 3 and second pressure pipeline 6 on the test chamber 1, the one end of first pressure pipeline 3 and the one end of second pressure pipeline 6 all are linked together with the inside of holding chamber 103, the other end of first pressure pipeline 3 and the other end of second pressure pipeline 6 all stretch out to the outside of holding chamber 103, and first pressure pipeline 3 is connected with first pressure supply equipment 20, accessible first pressure pipeline 3 pressurizes to the holding chamber 103 in, carry out the pressure release to holding chamber 103 through second pressure pipeline 6, and then cooperate through first pressure pipeline 3 and second pressure pipeline 6 and reach the experimental pressure of pressing in the holding chamber 103 The purpose of adjusting the force is achieved, so that an underwater pressure environment generated by deep sea water depth borne by an underwater valve can be simulated; the underwater valve 17 to be detected is arranged in the accommodating cavity 103, a driving device 18 for controlling the opening and closing of the underwater valve 17 is further arranged in the accommodating cavity 103, an inlet end 1701 of the underwater valve 17 is connected with one end of the third pressure pipeline 4, an outlet end 1702 of the underwater valve 17 is connected with one end of the fourth pressure pipeline 5, the other end of the third pressure pipeline 4 extends out of the accommodating cavity 103, the underwater valve 17 can be pressurized through the third pressure pipeline 4, the underwater valve 17 is decompressed through the fourth pressure pipeline 5, and the purpose of adjusting the working pressure in the underwater valve 17 is achieved through the cooperation of the third pressure pipeline 4 and the fourth pressure pipeline 5, so that the working state of the underwater valve 17 can be simulated. The other end of the fourth pressure pipeline 5 may extend out of the accommodating cavity 103, or may be located inside the accommodating cavity 103, and when the other end of the fourth pressure pipeline 5 may extend out of the accommodating cavity 103, the internal pressure of the underwater valve 17 is directly relieved to the outside; when the other end of the fourth pressure pipeline 5 is located inside the accommodating cavity 103, the pressure relief of the underwater valve 17 can be used for pressurizing the inside of the accommodating cavity 103, so as to improve the pressure of the underwater environment.
The utility model discloses be formed with the holding chamber 103 that fills up water in the inside of test chamber 1, the water environment in holding chamber 103 is arranged in to the valve 17 under water that will be detected, be provided with the first pressure pipeline 3 and the second pressure pipeline 6 that are linked together with holding chamber 103 on the test chamber 1, can pressurize and the pressure release is adjusted holding chamber 103 according to test pressure's needs through first pressure pipeline 3 and second pressure pipeline 6 to the pressure of the water environment in control holding chamber 103 satisfies different test requirements, increases the utility model discloses an application scope. In addition, the inlet end 1701 and the outlet end 1702 of the underwater valve 17 to be detected are respectively connected with the third pressure pipeline 4 and the fourth pressure pipeline 5, the interior of the underwater valve 17 can be pressurized and decompressed and adjusted, so that the working pressure of the underwater valve 17 can be controlled, the working state and the performance of the underwater valve 17 in underwater environments with different pressures can be known by collecting the pressure of the underwater environment, the working pressure of the underwater valve 17 and the number of times of controlling the opening and closing of the underwater valve 17 by the driving device 18, and the effective data support and reference can be provided for the research and trial of the underwater valve.
The utility model discloses an optional embodiment, as shown in fig. 1, fig. 5, the experimental device of valve operating condition still includes data acquisition equipment 7 in the simulation underwater environment, data acquisition equipment 7 is used for gathering valve 17 operating condition data under water, data acquisition equipment 7 sets up in the outside of holding chamber 103, and the data receiving end of data acquisition equipment 7 is connected with the data output part of drive arrangement 18, the data output part that first supplies to press equipment 20 and the data output part that the second supplies to press equipment 19. Accessible data acquisition equipment 7 is received and is saved the pressure value of environment under water, the operating pressure value of valve 17 under water and drive arrangement 18 control number of times etc. that valve 17 opened and shut in unit interval under water, can show data more directly perceived external, and the staff of being convenient for records and the analysis data, and degree of automation improves greatly.
Further, the data acquisition device 7 is a controller, a timer and a counter are arranged in the controller, the timer can time the time required by the underwater valve 17 from the open state to the closed state or from the closed state to the open state, and the counter can count the times of the underwater valve 17 from the open state to the closed state or from the closed state to the open state in unit time, so that the functions of automatic opening and closing, automatic timing and counting of the underwater valve 17 in the test process are realized. The data acquisition device 7 can convert the environmental pressure and the working pressure on the underwater valve 17 into a pressure change real-time curve for displaying and recording, so that the time required by the underwater valve 17 in the underwater environment with the pressure, the working pressure state from the open state to the closed state or from the closed state to the open state can be adjusted according to the acquired data, and the underwater valve 17 can stably work in the pressure environment.
Further, the first pressure supply device 20 and the second pressure supply device 19 are both disposed outside the accommodating cavity, and both the first pressure supply device 20 and the second pressure supply device 19 may be, but cannot be limited to, a liquid pump or an air pump.
Further, a first pressure sensor can be arranged inside the accommodating cavity 103, a second pressure sensor can be arranged inside the underwater valve 17, a data output end of the first pressure sensor and a data output end of the second pressure sensor are respectively connected with a data receiving end of the data acquisition device 7, environmental pressure data inside the accommodating cavity 103 (namely, underwater environment) are acquired in real time through the first pressure sensor, working pressure data inside the underwater valve 17 are acquired in real time through the second pressure sensor, and are transmitted to the data acquisition device 7 for storage and recording.
In an optional embodiment of the present invention, as shown in fig. 1 to 3, the test chamber 1 includes a chamber body 101 and a chamber cover 102, the chamber body 101 is a cylindrical structure with an open top and a closed bottom, the chamber cover 102 is sealed at the open top of the chamber body 101 to form a containing cavity 103 between the bottom of the chamber cover 102 and the inner wall of the chamber body 101, and a plurality of first bolts 108 are connected between the chamber cover 102 and the chamber body 101.
Furthermore, a first sealing gasket is clamped at a connection position between the cabin 101 and the hatch cover 102, and the cabin 101 and the hatch cover 102 are kept in good sealing performance through the first sealing gasket.
Further, each first bolt 108 is screwed with a nut, and the first bolts 108 are evenly arranged along the circumferential direction of the hatch cover 102 at a position close to the edge of the hatch cover 102, so as to ensure that the hatch cover 102 is stably connected with the cabin 101. Each first bolt 108 can be tightened by a bolt hydraulic stretching tool, and the operation is simple.
Specifically, as shown in fig. 1 to 3, a first through hole 104 and a second through hole 105 are formed in an upper side wall of the cabin 101, the first through hole 104 and the second through hole 105 are respectively located on two opposite side walls of the cabin 101, a first sealing flange 106 is arranged at the first through hole 104, a plurality of second bolts 109 are connected between the first sealing flange 106 and the cabin 101, and the first pressure pipeline 3 and the third pressure pipeline 4 both penetrate through the first sealing flange 106 and extend into the accommodating cavity 103 through the first through hole 104; a second sealing flange 107 is arranged at the second through hole 105, a plurality of second bolts 109 are connected between the second sealing flange 107 and the cabin body 101, and the second pressure pipeline 6 and the fourth pressure pipeline 5 both penetrate through the second sealing flange 107 and extend into the accommodating cavity 103 through the second through hole 105. Each second bolt 109 can be tightened by a bolt hydraulic stretching tool, and the operation is simple.
Furthermore, second sealing gaskets are respectively clamped at the connection positions between the cabin body 101 and the first sealing flange 106 and between the cabin body 101 and the second sealing flange 107 and the connection positions, and good sealing performance is kept between the first sealing flange 106 and the cabin body 101 and between the second sealing flange 107 and the cabin body 101 through the second sealing gaskets.
In an optional embodiment of the utility model, as shown in fig. 1, fig. 2, be provided with exhaust pipe 13 on experimental cabin 1, exhaust pipe 13 is located experimental cabin 1's top, and exhaust pipe 13's one end is linked together with the top of holding chamber 103, and exhaust pipe 13's the other end passes experimental cabin 1's roof and stretches out to experimental cabin 1's top, is provided with discharge valve 14 on exhaust pipe 13. Before the experiment, pressurize to the holding chamber 103 through first pressure line 3 and have the water to discharge in the exhaust pipe 13, exhaust pipe 13 is about to the air exhaust in the holding chamber 103 this moment, guarantees the authenticity of simulation underwater environment through the setting of exhaust pipe 13, improves the accuracy of the experimental data who obtains.
In an optional embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 4, the driving device 18 is a driving cylinder, the inside of the driving cylinder is divided into a rod cavity and a rodless cavity by a piston, a piston rod is disposed in the rod cavity, one end of the piston rod is connected to the piston, and the other end of the piston rod extends out of the driving cylinder and is connected to the inner valve body of the underwater valve 17. The valve body is driven to act by the action of the piston rod on the driving cylinder, so that the opening and closing of the underwater valve 17 are controlled.
Further, as shown in fig. 1, the driving cylinder may be, but is not limited to, a hydraulic cylinder, a first hydraulic line 8 and a second hydraulic line 9 are disposed on the hydraulic cylinder, one end of the first hydraulic line 8 is communicated with the rodless cavity, the other end of the first hydraulic line 8 extends out of the accommodating cavity 103 and is connected to the hydraulic adjusting device 10, one end of the second hydraulic line 9 is communicated with the rod cavity, and the other end of the second hydraulic line 9 extends out of the accommodating cavity 103. Oil liquid can be pumped into or out of the rodless cavity through the hydraulic adjusting device 10 and the first hydraulic pipeline 8, when the oil liquid is pumped into the rodless cavity, the piston and the piston rod move downwards, gas in the rod cavity is discharged outwards through the second hydraulic pipeline 9, the volume of the rodless cavity is increased, the volume of the rod cavity is reduced, and the piston rod pushes the valve body downwards to be closed until the underwater valve 17 is in a completely closed state; when oil in the rodless cavity is pumped out, the piston and the piston rod move upwards, external gas enters the rod cavity through the second hydraulic pipeline 9, the volume of the rodless cavity is reduced, the volume of the rod cavity is increased, the piston rod pulls the valve body upwards to open until the underwater valve 17 is in a completely open state, and therefore the underwater valve 17 is controlled to complete one-time switching operation.
Further, the hydraulic adjustment device 10 may be, but is not limited to, a bi-directional pump.
In an optional embodiment of the present invention, as shown in fig. 1 to 3, the supporting frame 2 is disposed inside the accommodating chamber 103, and the underwater valve 17 is disposed on the top of the supporting frame 2, so as to ensure that the underwater valve 17 is stably disposed in the accommodating chamber 103.
Further, as shown in fig. 1 to 3, the supporting frame 2 is a plate-shaped structure arranged along the horizontal direction, the edge of the supporting frame 2 is connected with the inner wall of the accommodating cavity 103, a plurality of reinforcing ribs 201 are arranged below the supporting frame 2, each reinforcing rib 201 is a sheet-shaped structure arranged along the vertical direction, and two adjacent edges of each reinforcing rib 201 are respectively connected with the bottom of the supporting frame 2 and the inner wall of the accommodating cavity 103. The stability of the connection between the support frame 2 and the cabin 101 is improved by the arrangement of the reinforcing ribs 201.
In an optional embodiment of the utility model, as shown in fig. 1 and fig. 2, the testing device for simulating the working state of the valve in the underwater environment further comprises a liquid drainage pipeline 15, the liquid drainage pipeline 15 is located at the bottom of the test chamber 1, one end of the liquid drainage pipeline 15 is communicated with the bottom of the accommodating cavity 103, the bottom wall of the test chamber 1, through which the other end of the liquid drainage pipeline 15 passes, extends out of the lower part of the test chamber 1, and a liquid drainage valve 16 is arranged on the liquid drainage pipeline 15. After the test is completed, water in the accommodating cavity 103 can be discharged to the outside through the liquid discharge pipeline 15, so that each device in the accommodating cavity 103 can be conveniently overhauled and different underwater valves 17 can be conveniently replaced.
The utility model discloses an optional embodiment, as shown in fig. 1, fig. 2, the experimental device of valve operating condition still includes pressure regulating pipeline 12 in the simulation underwater environment, and pressure regulating pipeline 12 sets up on the lateral wall of experimental cabin 1, and the one end and the holding chamber 103 of pressure regulating pipeline 12 are linked together, and the lateral wall that the other end of pressure regulating pipeline 12 passed experimental cabin 1 stretches out to the outside of experimental cabin 1, is provided with relief valve 11 on the pressure regulating pipeline 12. The pressure in the accommodating cavity 103 is adjusted through the pressure adjusting pipeline 12 and the safety valve 11, so that the pressure in the accommodating cavity 103 can be guaranteed not to exceed the maximum value of the working pressure borne by the test chamber 1, and the pressure in the accommodating cavity 103 can be guaranteed within the water depth pressure range borne by the underwater valve 17 to be tested, so that the underwater valve 17 is prevented from being damaged.
Further, the utility model discloses well first pressure line 3, second pressure line 6, third pressure line 4, fourth pressure line 5, first hydraulic pressure line 8, second hydraulic pressure line 9, pressure regulating pipeline 12, exhaust pipe 13 and exhaust pipe 15 all can adopt but not limited to stainless steel seamless steel pipe, guarantee that each pipeline has good bearing capacity, can bear the pressure in the holding chamber 103.
The utility model discloses a simulation is valve operating condition's in the environment test device's under water implementation process includes following step:
step S1: opening the hatch cover 102, loading the underwater valve 17 to be detected into the accommodating cavity 103 from the top opening of the cabin body 101, and fixedly installing the underwater valve on the top of the support frame 2;
step S2: connecting a first pressure pipeline 3, a second pressure pipeline 6, a third pressure pipeline 4, a fourth pressure pipeline 5, a first hydraulic pipeline 8, a second hydraulic pipeline 9, a pressure regulating pipeline 12, an exhaust pipeline 13 and a liquid discharge pipeline 15, and installing a first sealing flange 106 and a second sealing flange 107;
step S3: filling test clear water into the accommodating cavity 103 from the top opening of the cabin body 101, and sealing the cabin cover 102 on the top of the cabin body 101;
step S4: starting the pressure supply equipment, and pressurizing the accommodating cavity 103 through the first pressure pipeline 3 until clear water is discharged from the exhaust pipeline 13 (namely, air in the accommodating cavity 103 is completely discharged);
step S5: closing the exhaust valve 14, and continuously pressurizing the accommodating cavity 103 to a preset test pressure;
step S6: presetting test parameters (including time required by a piston rod to extend out of a rod cavity, time required by the piston rod to retract into the rod cavity, stop action time of the piston rod, reciprocating action times of the piston rod and the like) so as to control the opening and closing actions of the underwater valve 17 through a hydraulic adjusting device 10 and a first hydraulic pipeline 8 according to the experimental requirements;
step S7: starting the test, starting the data acquisition device 7, and acquiring the working pressure data of the underwater valve 17, the pressure data of the underwater environment, the time required by the underwater valve 17 from the open state to the close state or from the close state to the open state and the times of the underwater valve 17 from the open state to the close state or from the close state to the open state in unit time by the data acquisition device 7, so that whether the underwater valve 17 can act as required in the pressure environment can be known, and the test is completed.
In addition, the pressure in the accommodating cavity 103 can be adjusted, so that the underwater valve 17 is respectively in different pressure environments, and the action data and the pressure change curve of the underwater valve 17 are respectively recorded.
The utility model discloses a simulation is valve operating condition's in the environment under water test device's characteristics and advantage are:
the device for simulating the working state of the valve in the underwater environment has the advantages of simple structure, simplicity and convenience in operation and high safety, the accommodating cavity 103 can be pressurized and decompressed according to the requirement of test pressure through the first pressure pipeline 3 and the second pressure pipeline 6, so that the water environment simulating different pressures in the accommodating cavity 103 can be controlled, different test requirements are met, the requirement that the test environment meets the underwater environment can be effectively guaranteed, and the accuracy of the test is improved.
The test device for simulating the working state of the valve in the underwater environment can acquire the pressure value of the underwater environment where the underwater valve 17 is located and the working pressure value of the underwater valve 17 in real time, and can store and record the acquired pressure data, so that the pressure data of the underwater valve 17 and the switching times of the underwater valve 17 in unit time can be acquired, the working state and the performance of the underwater valve 17 in the underwater environments with different pressures can be known, the accuracy of the data acquired by the application is high, and effective data support and reference can be provided for the development and trial of the underwater valve 17.
The test device for simulating the working state of the valve in the underwater environment simulates the underwater environment in a sealed space (namely the accommodating cavity 103), and the cabin body 101 and the cabin cover 102, the cabin body 101 and the first sealing flange 106 and the cabin body 101 and the second sealing flange 107 are in sealed connection, so that the sealing reliability is greatly improved, the authenticity of the simulated underwater environment is further improved, and the test accuracy and the test efficiency are improved.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (15)
1. A test device for simulating the working state of a valve in an underwater environment is characterized by comprising a test cabin (1), an accommodating cavity (103) for simulating an underwater environment is formed inside the test chamber (1), the holding cavity (103) is filled with water, the test cabin (1) is provided with a first pressure pipeline (3) and a second pressure pipeline (6) which are matched with each other to regulate the test pressure in the holding cavity (103), one end of the first pressure pipeline (3) and one end of the second pressure pipeline (6) are communicated with the inside of the accommodating cavity (103), the other end of the first pressure pipeline (3) and the other end of the second pressure pipeline (6) both extend out of the accommodating cavity (103), the first pressure pipeline (3) is connected with a first pressure supply device (20);
the underwater pressure detection device comprises an accommodating cavity (103), an underwater valve (17) to be detected is arranged in the accommodating cavity (103), a driving device (18) for controlling the underwater valve (17) to open and close is further arranged in the accommodating cavity (103), an inlet end (1701) and an outlet end (1702) of the underwater valve (17) are respectively connected with one end of a third pressure pipeline (4) and one end of a fourth pressure pipeline (5), the other end of the third pressure pipeline (4) extends out of the accommodating cavity (103), and the third pressure pipeline (4) is connected with a second pressure supply device (19).
2. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the test device for simulating the working state of the valve in the underwater environment further comprises a data acquisition device (7) for acquiring the working state data of the underwater valve (17), the data acquisition device (7) is arranged outside the accommodating cavity (103), and a data receiving end of the data acquisition device (7) is connected with a data output end of the driving device (18), a data output end of the first pressure supply device (20) and a data output end of the second pressure supply device (19).
3. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the test chamber (1) comprises a chamber body (101) and a chamber cover (102), the chamber body (101) is a cylindrical structure with an open top and a closed bottom, the chamber cover (102) is covered on the open top of the chamber body (101) so as to form the accommodating cavity (103) between the bottom of the chamber cover (102) and the inner wall of the chamber body (101), and a plurality of first bolts (108) are connected between the chamber cover (102) and the chamber body (101).
4. A test device for simulating the working state of a valve in an underwater environment according to claim 3, wherein a first sealing gasket is clamped between the cabin body (101) and the cabin cover (102).
5. The test device for simulating the working state of the valve in the underwater environment according to claim 3, wherein a first through hole (104) and a second through hole (105) are formed in the side wall of the cabin body (101), a first sealing flange (106) and a second sealing flange (107) are respectively arranged at the first through hole (104) and the second through hole (105), the first pressure pipeline (3) and the third pressure pipeline (4) both penetrate through the first sealing flange (106) and extend into the accommodating cavity (103) through the first through hole (104), and the second pressure pipeline (6) and the fourth pressure pipeline (5) both penetrate through the second sealing flange (107) and extend into the accommodating cavity (103) through the second through hole (105).
6. The test device for simulating the working state of the valve in the underwater environment according to claim 5, wherein a second sealing gasket is respectively clamped between the cabin body (101) and the first sealing flange (106) and between the cabin body (101) and the second sealing flange (107).
7. The test device for simulating the working state of the valve in the underwater environment according to claim 5, wherein a plurality of second bolts (109) are respectively connected between the first sealing flange (106) and the cabin body (101) and between the second sealing flange (107) and the cabin body (101).
8. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the test chamber (1) is provided with an exhaust pipeline (13) for exhausting the air in the accommodating cavity (103), the exhaust pipeline (13) is located at the top of the test chamber (1), one end of the exhaust pipeline (13) is communicated with the top of the accommodating cavity (103), the other end of the exhaust pipeline (13) penetrates through the top wall of the test chamber (1) and extends out to the upper side of the test chamber (1), and the exhaust pipeline (13) is provided with an exhaust valve (14).
9. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the driving device (18) is a driving cylinder, the interior of the driving cylinder is divided into a rod cavity and a rodless cavity by a piston, a piston rod is arranged in the rod cavity, one end of the piston rod is connected with the piston, and the other end of the piston rod extends out of the driving cylinder and is connected with an internal valve body of the underwater valve (17).
10. The test device for simulating the working state of the valve in the underwater environment according to claim 9, wherein the driving cylinder is a hydraulic cylinder, a first hydraulic pipeline (8) and a second hydraulic pipeline (9) are arranged on the hydraulic cylinder, one end of the first hydraulic pipeline (8) is communicated with the rodless cavity, the other end of the first hydraulic pipeline (8) extends out of the accommodating cavity (103) and is connected with a hydraulic adjusting device (10), one end of the second hydraulic pipeline (9) is communicated with the rod cavity, and the other end of the second hydraulic pipeline (9) extends out of the accommodating cavity (103).
11. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein a support frame (2) is arranged inside the accommodating cavity (103), and the underwater valve (17) is placed on the top of the support frame (2).
12. The test device for simulating the working state of the valve in the underwater environment according to claim 11, wherein the support frame (2) is a plate-shaped structure arranged along the horizontal direction, the edge of the support frame (2) is connected with the inner wall of the accommodating cavity (103), a plurality of reinforcing ribs (201) are arranged below the support frame (2), and each reinforcing rib (201) is respectively connected with the bottom of the support frame (2) and the inner wall of the accommodating cavity (103).
13. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the test device for simulating the working state of the valve in the underwater environment further comprises a liquid drainage pipeline (15), the liquid drainage pipeline (15) is located at the bottom of the test chamber (1), one end of the liquid drainage pipeline (15) is communicated with the bottom of the accommodating cavity (103), the other end of the liquid drainage pipeline (15) penetrates through the bottom wall of the test chamber (1) and extends out to the lower part of the test chamber (1), and a liquid drainage valve (16) is arranged on the liquid drainage pipeline (15).
14. The test device for simulating the working state of the valve in the underwater environment according to claim 1, wherein the test device for simulating the working state of the valve in the underwater environment further comprises a pressure regulating pipeline (12), the pressure regulating pipeline (12) is disposed on the side wall of the test chamber (1), one end of the pressure regulating pipeline (12) is communicated with the accommodating cavity (103), the other end of the pressure regulating pipeline (12) penetrates through the side wall of the test chamber (1) and extends out of the test chamber (1), and a safety valve (11) is disposed on the pressure regulating pipeline (12).
15. A test device for simulating the working state of a valve in an underwater environment according to claim 1, wherein the first pressure supply device (20) and the second pressure supply device (19) are both arranged outside the accommodating cavity (103).
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| CN114252254A (en) * | 2020-09-24 | 2022-03-29 | 中国石油天然气集团有限公司 | Testing device for simulating working state of valve in underwater environment |
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Effective date of registration: 20230714 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee after: CNPC JIANGHAN MACHINERY RESEARCH INSTITUTE Co.,Ltd. Patentee after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Patentee before: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee before: CNPC JIANGHAN MACHINERY RESEARCH INSTITUTE Co.,Ltd. |