CN112326163A - Rigidity detection device and detection method for stop valve - Google Patents
Rigidity detection device and detection method for stop valve Download PDFInfo
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- CN112326163A CN112326163A CN202011182009.0A CN202011182009A CN112326163A CN 112326163 A CN112326163 A CN 112326163A CN 202011182009 A CN202011182009 A CN 202011182009A CN 112326163 A CN112326163 A CN 112326163A
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention discloses a rigidity detection device for a stop valve, which comprises a workbench, wherein the top surface of the workbench is fixedly connected with a hydraulic output device, the output end of the hydraulic output device is communicated with a first pipeline, one end of the first pipeline, which is far away from the hydraulic output device, is communicated with a valve body, one end of the valve body, which is far away from the first pipeline, is communicated with a second pipeline, a pressure relief valve is arranged on the second pipeline, and one end of the second pipeline, which is far away from the valve body, is communicated with a water tank for temporarily storing liquid. According to the invention, the liquid with different pressures is input into the pipeline through the hydraulic output equipment, the pressure inside the pipeline is displayed through the pressure gauge, the pressure inside the pipeline is released through the pressure release valve, the liquid inside the pipeline is temporarily stored through the water tank, and the whole device is reasonable in layout and ingenious in design. In addition, the invention is also provided with a control box, a display screen and a buzzer, and the structure improves the safety and the operation convenience of the invention.
Description
Technical Field
The invention relates to the field of stop valves, in particular to a rigidity detection device and a rigidity detection method for a stop valve.
Background
The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing. The valve of China has been specified in the 'three-in-one' mode, and the flow direction of the stop valve is uniformly from top to bottom, so that the stop valve has directionality during installation. As an important element of the aerospace equipment, the stop valve realizes the functions of medium conveying, stopping, adjusting and the like, and the sealing performance of the stop valve directly influences the safe and reliable operation of the aerospace equipment. The influence factors and the influence rules of the sealing characteristics of the typical stop valve are researched, and the method has guiding significance on the structural design of the valve sealing pair, so that the sealing performance and the reliability of the valve are improved.
The stop valve receives great torsion and pressure impact when installation and during operation, if the valve body rigidity is relatively poor, can bring serious potential safety hazard. In order to detect the rigidity of the stop valve, patent with the publication number of CN104458220A proposes a "method and a system for detecting the rigidity of the stop valve", in which the rigidity of the valve body is measured by high-pressure gas, and the liquid impact condition received during the stop operation cannot be accurately simulated, so the detection precision is not good enough. In addition, the above patent still has certain defects in safety protection and intelligent control, and in order to solve the above problems, we improve the above problems, and provide a rigidity detection device and a detection method for a stop valve.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a rigidity detection device for a stop valve, which comprises a workbench, wherein the top surface of the workbench is fixedly connected with a hydraulic output device, the output end of the hydraulic output device is communicated with a first pipeline, one end of the first pipeline, which is far away from the hydraulic output device, is communicated with a valve body, one end of the valve body, which is far away from the first pipeline, is communicated with a second pipeline, a pressure relief valve is arranged on the second pipeline, one end of the second pipeline, which is far away from the valve body, is communicated with a water tank for temporarily storing liquid, a liquid outlet is arranged at the bottom of one end of the water tank, which is far away from the second pipeline, and the liquid outlet is connected with.
As a preferable technical scheme of the invention, the bottom of the pressure release valve is fixedly connected with an installation frame for matching the height, and the installation frame is fixedly connected with the top surface of the workbench through screws.
As a preferable technical scheme of the invention, a limiting plate for limiting the movement of the water tank is arranged between the water tank and the pressure release valve, and the limiting plate is fixedly connected with the top surface of the workbench.
As a preferable technical scheme, connecting discs convenient for connecting pipelines are welded at the liquid inlet end and the liquid outlet end of the valve body, flanges matched with the connecting discs are welded at the ends, close to the valve body, of the first pipeline and the second pipeline, and the connecting discs are fixedly connected with the flanges through bolts.
As a preferable technical scheme of the invention, sealing gaskets for improving the sealing performance of the pipeline are arranged between the two connecting discs and the two flanges.
As a preferred technical solution of the present invention, the first pipe is provided with a pressure gauge for detecting an internal pressure of the pipe.
As a preferred technical scheme of the invention, the top surface of the workbench is fixed with a guard rail through a screw, and the top of the guard rail is fixedly connected with a top cover through a bolt; the pressure gauge, the valve body and the pressure release valve are all arranged inside the protective guard, through holes for the first pipeline and the second pipeline to pass through are formed in two ends of the protective guard respectively, and the first pipeline and the second pipeline respectively pass through the through holes to be communicated with the hydraulic output equipment and the water tank.
As a preferable technical scheme, one side of the hydraulic output equipment, which is far away from the first pipeline, is electrically connected with a control box, the control box is fixedly connected with the top surface of the workbench, a support rod is welded at the top of the control box, and a display screen for displaying the working state of the hydraulic output equipment is fixedly connected at the top of the support rod.
As a preferred technical scheme of the invention, a controller is arranged in the control box, the controller is electrically connected with the hydraulic output equipment, and the display screen is electrically connected with the controller; the inside of control box is provided with the bee calling organ that is used for sounding the police dispatch newspaper, bee calling organ and controller electric connection to the lateral wall of control box is provided with the logical groove that the sound of being convenient for passed.
A rigidity detection method for a stop valve comprises the following detection steps:
s1 fixing the guard rail: fixing the guard rail at a proper position on the top surface of the workbench through screws, and fixedly connecting the top cover to the top of the guard rail through bolts;
s2, installing a pipeline: adjusting the position of the water tank, respectively enabling a first pipeline and a second pipeline to pass through holes at two ends of the guard rail, and sequentially communicating the hydraulic output equipment with the first pipeline, the first pipeline and the valve body, the valve body with the second pipeline, and the second pipeline with the water tank;
s3 fixing the device: the mounting frame is fixedly connected to the top surface of the workbench through screws;
s4 check device: opening a display screen, a controller, a buzzer and hydraulic output equipment, checking whether each equipment can be started normally, and checking the tightness of a pipeline;
s5, detection: after confirming that each device has no abnormal condition, starting the hydraulic output end device, starting a rigidity detection test of the stop valve, and recording monitoring data; adjusting the output power of the hydraulic output equipment, performing the test steps again, and repeating for 3-5 times.
The invention has the beneficial effects that:
the rigidity detection device and the rigidity detection method for the stop valve input liquid with different pressures into a pipeline through hydraulic output equipment, the pressure inside the pipeline is displayed through a pressure gauge, the pressure in the pipeline is relieved through a pressure relief valve, the liquid in the pipeline is temporarily stored through a water tank, and the whole device is reasonable in layout and ingenious in design.
The top fixedly connected with rail guard of workstation, the top of rail guard passes through bolt fixedly connected with top cap, and above-mentioned structure can not only play the guard action, and the loading and unloading of still being convenient for kills two birds with one stone.
Thirdly, the hydraulic pressure control device is further provided with a control box for controlling the hydraulic output device, the top of the control box is connected with a display screen capable of displaying the working condition of the hydraulic output device, and a buzzer capable of giving out a sound alarm when the pressure value is close to the safety value is further arranged inside the control box.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a rigidity detection device for a shut-off valve according to the present invention;
FIG. 2 is a control schematic diagram of a check valve rigidity detection device of the present invention;
FIG. 3 is a schematic diagram of the detection steps of the rigidity detection method for the stop valve according to the present invention;
in the figure: 1. a work table; 2. a hydraulic output device; 3. a first conduit; 4. a second conduit; 5. a valve body; 6. a pressure relief valve; 7. a water tank; 8. a liquid outlet; 9. an end cap; 10. a mounting frame; 11. a limiting plate; 12. a connecting disc; 13. a flange; 14. a pressure gauge; 15. protecting the fence; 16. a top cover; 17. a control box; 18. a support bar; 19. a display screen; 20. a controller; 21. a buzzer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1 and 2, a rigidity detection device for stop valve, includes workstation 1, the top surface fixedly connected with hydraulic output device 2 of workstation 1, hydraulic output device 2's output intercommunication has first pipeline 3, the one end intercommunication that hydraulic output device 2 was kept away from to first pipeline 3 has valve body 5, the one end intercommunication that first pipeline 3 was kept away from to valve body 5 has second pipeline 4, be provided with relief valve 6 on the second pipeline 4 to the one end intercommunication that valve body 5 was kept away from to second pipeline 4 has a water tank 7 that is used for depositing liquid temporarily, the bottom that second pipeline 4 one end was kept away from to water tank 7 is provided with liquid outlet 8, liquid outlet 8 has end cover 9 through threaded connection. The first pipeline 3 is provided with a pressure gauge 14 for detecting the internal pressure of the pipeline.
The bottom of the pressure release valve 6 is fixedly connected with an installation frame 10 used for matching the height, and the installation frame 10 is fixedly connected with the top surface of the workbench 1 through screws.
A limiting plate 11 used for limiting the movement of the water tank 7 is arranged between the water tank 7 and the pressure release valve 6, and the limiting plate 11 is fixedly connected with the top surface of the workbench 1.
The feed liquor end of valve body 5 all welds with play liquid end has connection pad 12 of being convenient for connecting tube, the flange 13 that matches with connection pad 12 is all welded to the one end that first pipeline 3 and second pipeline 4 are close to valve body 5, connection pad 12 passes through bolt and flange 13 fixed connection. Sealing gaskets for improving the sealing performance of the pipeline are arranged between the two connecting discs 12 and the two flanges 13.
The top surface of the workbench 1 is fixed with a guard rail 15 through a screw, and the top of the guard rail 15 is fixedly connected with a top cover 16 through a bolt; the pressure gauge 14, the valve body 5 and the pressure release valve 6 are all arranged inside the protective guard 15, through holes for the first pipeline 3 and the second pipeline 4 to pass through are respectively formed in two ends of the protective guard 15, and the first pipeline 3 and the second pipeline 4 respectively pass through the through holes to be communicated with the hydraulic output equipment 2 and the water tank 7. The top fixedly connected with rail guard 15 of workstation 1, bolt fixedly connected with top cap 16 is passed through at the top of rail guard 15, and above-mentioned structure can not only play the guard action, and still be convenient for loading and unloading kill two birds with one stone.
One side electric connection that first pipeline 3 was kept away from to hydraulic output equipment 2 has control box 17, control box 17 and the top surface fixed connection of workstation 1 to the top welding of control box 17 has bracing piece 18, the top fixedly connected with of bracing piece 18 is used for showing hydraulic output equipment 2 operating condition's display screen 19.
A controller 20 is arranged in the control box 17, the controller 20 is electrically connected with the hydraulic output device 2, and the display screen 19 is electrically connected with the controller 20; the inside of control box 17 is provided with the buzzer 21 that is used for sounding the police dispatch newspaper, buzzer 21 and controller 20 electric connection to the lateral wall of control box 17 is provided with the logical groove that is convenient for sound to pass. The hydraulic pressure control device is further provided with a control box 17 used for controlling the hydraulic output equipment 2, the top of the control box 17 is connected with a display screen 19 capable of displaying the working condition of the hydraulic output equipment 2, and a buzzer 21 capable of giving out a sound alarm when the pressure value is close to the safety value is further arranged inside the control box 17.
As shown in fig. 3, a rigidity detection method for a shut valve includes the following detection steps:
s1 fixing the guard rail 15: fixing the guard rail 15 at a proper position on the top surface of the workbench 1 by screws, and fixedly connecting a top cover 16 to the top of the guard rail 15 by bolts;
s2, installing a pipeline: adjusting the position of a water tank 7, enabling a first pipeline 3 and a second pipeline 4 to respectively penetrate through holes at two ends of a guard rail 15, and sequentially communicating a hydraulic output device 2 with the first pipeline 3, the first pipeline 3 with a valve body 5, the valve body 5 with the second pipeline 4, and the second pipeline 4 with the water tank 7;
s3 fixing the device: the mounting frame 10 is fixedly connected to the top surface of the workbench 1 through screws;
s4 check device: opening the display screen 19, the controller 20, the buzzer 21 and the hydraulic output device 2, checking whether each device can be started normally, and checking the tightness of the pipeline;
s5, detection: after confirming that each device has no abnormal condition, starting the hydraulic output end device 2, starting a rigidity detection test of the stop valve, and recording monitoring data; and adjusting the output power of the hydraulic output device 2, performing the test steps again, and repeating for 3-5 times.
According to the rigidity detection device and the detection method for the stop valve, liquid with different pressures is input into the pipeline through the hydraulic output device 2, the pressure inside the pipeline is displayed through the pressure gauge 14, the pressure in the pipeline is released through the pressure release valve 6, the liquid in the pipeline is temporarily stored through the water tank 7, and the whole device is reasonable in layout and ingenious in design.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rigidity detection device for a stop valve comprises a workbench (1) and is characterized in that, the top surface of the workbench (1) is fixedly connected with a hydraulic output device (2), the output end of the hydraulic output device (2) is communicated with a first pipeline (3), one end of the first pipeline (3) far away from the hydraulic output equipment (2) is communicated with a valve body (5), one end of the valve body (5) far away from the first liquid pipeline (3) is communicated with a second pipeline (4), a pressure release valve (6) is arranged on the second pipeline (4), and one end of the second pipeline (4) far away from the valve body (5) is communicated with a water tank (7) for temporarily storing liquid, the bottom that second pipeline (4) one end was kept away from in water tank (7) is provided with liquid outlet (8), liquid outlet (8) have end cover (9) through threaded connection.
2. The rigidity detection device for the stop valve is characterized in that a mounting rack (10) for matching the height is fixedly connected to the bottom of the pressure release valve (6), and the mounting rack (10) is fixedly connected with the top surface of the workbench (1) through screws.
3. The rigidity detection device for the stop valve is characterized in that a limiting plate (11) used for limiting the movement of the water tank (7) is arranged between the water tank (7) and the pressure release valve (6), and the limiting plate (11) is fixedly connected with the top surface of the workbench (1).
4. The rigidity detection device for the stop valve is characterized in that a connecting disc (12) facilitating connection of pipelines is welded at the liquid inlet end and the liquid outlet end of the valve body (5), a flange (13) matched with the connecting disc (12) is welded at one end, close to the valve body (5), of the first pipeline (3) and the second pipeline (4), and the connecting disc (12) is fixedly connected with the flange (13) through bolts.
5. A rigidity detection device for stop valve according to claim 4, characterized in that a sealing gasket for improving the sealing performance of the pipeline is arranged between the two connection discs (12) and the two flanges (13).
6. A rigidity detection device for stop valve according to claim 1, characterized in that the first pipe (3) is provided with a pressure gauge (14) for detecting the pressure inside the pipe.
7. The rigidity detection device for the stop valve according to claim 1, wherein a top surface of the working table (1) is fixed with a guard rail (15) through screws, and a top cover (16) is fixedly connected to the top of the guard rail (15) through bolts; the pressure gauge (14), the valve body (5) and the pressure release valve (6) are arranged inside the protective guard (15), through holes for the first pipeline (3) and the second pipeline (4) to pass through are formed in two ends of the protective guard (15) respectively, and the first pipeline (3) and the second pipeline (4) pass through the through holes and are communicated with the hydraulic output equipment (2) and the water tank (7) respectively.
8. The rigidity detection device for the stop valve is characterized in that a control box (17) is electrically connected to one side, away from the first pipeline (3), of the hydraulic output equipment (2), the control box (17) is fixedly connected with the top surface of the workbench (1), a support rod (18) is welded to the top of the control box (17), and a display screen (19) used for displaying the working state of the hydraulic output equipment (2) is fixedly connected to the top of the support rod (18).
9. The rigidity detection device for the stop valve is characterized in that a controller (20) is arranged inside the control box (17), the controller (20) is electrically connected with the hydraulic output equipment (2), and the display screen (19) is electrically connected with the controller (20); the inside of control box (17) is provided with bee calling organ (21) that is used for sounding the police dispatch newspaper, bee calling organ (21) and controller (20) electric connection to the lateral wall of control box (17) is provided with the logical groove that the sound of being convenient for passed.
10. A rigidity detection method for a stop valve is characterized by comprising the following detection steps:
s1 fixed guard rail (15): fixing the guard rail (15) at a proper position on the top surface of the workbench (1) through screws, and fixedly connecting a top cover (16) to the top of the guard rail (15) through bolts;
s2, installing a pipeline: adjusting the position of a water tank (7), respectively enabling a first pipeline (3) and a second pipeline (4) to penetrate through holes at two ends of a protective guard (15), and sequentially communicating a hydraulic output device (2) with the first pipeline (3), the first pipeline (3) with a valve body (5), the valve body (5) with the second pipeline (4), and the second pipeline (4) with the water tank (7);
s3 fixing the device: the mounting rack (10) is fixedly connected to the top surface of the workbench (1) through screws;
s4 check device: opening a display screen (19), a controller (20), a buzzer (21) and hydraulic output equipment (2), checking whether the equipment can be started normally, and checking the tightness of a pipeline;
s5, detection: after confirming that each device has no abnormal condition, starting the hydraulic output end device (2), starting a rigidity detection test of the stop valve, and recording monitoring data; adjusting the output power of the hydraulic output equipment (2), and repeating the test steps for 3-5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182009.0A CN112326163A (en) | 2020-10-29 | 2020-10-29 | Rigidity detection device and detection method for stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182009.0A CN112326163A (en) | 2020-10-29 | 2020-10-29 | Rigidity detection device and detection method for stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112326163A true CN112326163A (en) | 2021-02-05 |
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ID=74297458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011182009.0A Withdrawn CN112326163A (en) | 2020-10-29 | 2020-10-29 | Rigidity detection device and detection method for stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112326163A (en) |
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2020
- 2020-10-29 CN CN202011182009.0A patent/CN112326163A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |
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| WW01 | Invention patent application withdrawn after publication |