CN117890026A - Ship hydraulic component testing method and device - Google Patents
Ship hydraulic component testing method and device Download PDFInfo
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- CN117890026A CN117890026A CN202410296592.XA CN202410296592A CN117890026A CN 117890026 A CN117890026 A CN 117890026A CN 202410296592 A CN202410296592 A CN 202410296592A CN 117890026 A CN117890026 A CN 117890026A
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- transparent cover
- pipe fitting
- testing
- joint pipe
- detection unit
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 21
- 230000008595 infiltration Effects 0.000 claims description 14
- 238000001764 infiltration Methods 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000000007 visual effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/085—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/04—Monodirectional test stands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a method and a device for testing a hydraulic component of a ship, and particularly relates to the technical field of hydraulic component testing, wherein the testing device comprises a machine table, a closed detection unit and a vibration simulation unit, a testing tank is fixedly arranged on the machine table, transparent liquid is arranged in the testing tank, and the vibration simulation unit is arranged in the testing tank; the closed detection unit comprises a transparent cover and a bottom plate, the transparent cover is detachably matched with the bottom plate, an element clamp is fixedly arranged on the bottom plate and used for fixing the joint pipe fitting to be detected, a reinforcing shell is fixedly arranged outside the transparent cover, and an inflation tube is further arranged inside the transparent cover. According to the invention, when the closed detection unit and the joint pipe fitting vibrate, the liquid in the closed detection unit almost moves back and forth along with the closed detection unit and the joint pipe fitting at the same time, so that the problem that the bubbles follow the liquid to flow in a larger range and are inconvenient to observe when the bubbles are generated can be greatly avoided, and the detection precision of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic component testing, in particular to a method and a device for testing a ship hydraulic component.
Background
The hydraulic system functions to increase the force by varying the pressure. Hydraulic systems can be divided into two categories: a hydraulic drive system and a hydraulic control system. The hydraulic transmission system takes power transmission and movement as main functions. Hydraulic control systems are designed to provide a hydraulic system output that meets certain performance requirements (particularly dynamic performance), and are generally referred to as hydraulic transmission systems.
Because of the advantages of high efficiency, large driving torque, quick response, high reliability, and the like, hydraulic systems are widely used in the field of ships, for example, for controlling various devices such as steering engines, cranes, ship berthing devices, hull stabilization systems, and the like.
The sealing performance of the hydraulic oil circuit determines the overall performance of the hydraulic system, if the sealing performance is poor, the control precision and the control capacity of the whole hydraulic system are affected, and irrecoverable accidents are possibly caused for a ship in sailing, so that extremely high requirements are placed on the sealing performance of the hydraulic element, such as joint pipe fittings commonly used in the hydraulic system for connecting various oil circuit pipelines, and the sealing performance of the joint pipe fitting after being connected with a hydraulic oil pipe is tested after the joint pipe fitting is produced, so as to ensure the joint quality.
In the prior art, in order to observe the test result of the joint pipe fitting conveniently, a bubble method can be adopted for testing, the joint pipe fitting to be tested is connected with a test pipeline, the joint pipe fitting is immersed in water, one of the test pipelines is connected with a high-pressure air pump, the other pipelines are subjected to sealing treatment, high-pressure air is filled into the joint pipe to be tested through the high-pressure air pump, if the joint pipe fitting is poor in sealing effect, leakage is generated, then the air is emitted from the leakage point to form bubbles, whether the test is qualified or not can be observed through observing the bubbles, and the position of the leakage point can be determined, so that the research is improved.
Because the stability of boats and ships when the sea is sailing is relatively poor, still can produce and rock by a wide margin when meetting bad weather, at the in-process that rocks, hydraulic system's hydraulic component still can produce corresponding vibration, consequently, to improving and developing the hydraulic component of stage, except considering the sealed effect under the static effect of test element, still need consider the original paper sealed effect under the vibration state, consequently, joint pipe product in the process of developing still need carry out vibration simulation test, so as to obtain more accurate and effectual test result, be favorable to knowing the performance of product, and improve the product.
The device has the advantages that the vibration frequency of the joint pipe fitting is low in the state of low simulated vibration frequency, the driving effect of water in the test equipment is poor, the observation of bubbles is not affected, however, the bubbling speed of the bubbles is also low under the condition of low leakage speed, if the simulated vibration frequency is high, the joint pipe fitting drives water to generate large-amplitude irregular shaking, so that the bubbles are easy to take away, the specific position of the bubbles and whether the bubbles are generated are not easily observed, and the test effect is affected.
Disclosure of Invention
The invention provides a name, which solves the technical problems that in the prior air tightness detection equipment for simulating the vibration state, vibration of a joint pipe fitting drives water to generate large-amplitude irregular shaking, bubbles are easy to take away, the specific positions of the bubbles are not easy to observe, whether the bubbles are generated or not, and the test effect is influenced.
The invention provides a testing device for a ship hydraulic element, which comprises a machine table, a closed detection unit and a vibration simulation unit, wherein a testing tank is fixedly arranged on the machine table, transparent liquid is arranged in the testing tank, and the vibration simulation unit is arranged in the testing tank;
the sealing detection unit comprises a transparent cover and a bottom plate, the transparent cover is detachably matched with the bottom plate, an element clamp is fixedly arranged on the bottom plate and used for fixing a joint pipe fitting to be detected, a reinforcing shell is fixedly arranged outside the transparent cover, and an air charging pipe is arranged inside the transparent cover and connected with a high-pressure air pump;
during testing, the joint pipe fitting is fixedly arranged on the element clamp, the transparent cover and the bottom plate are mutually closed, so that the bottom plate is positioned in a closed space formed in the transparent cover, the vibration simulation unit drives the closed detection unit and the joint pipe fitting in the closed detection unit to vibrate during testing, and meanwhile, the inflation pipe is used for inflating high-pressure gas into the joint pipe fitting;
the top of the transparent cover is provided with a Rong Shiya component, and the capacity-increasing and pressure-releasing component increases the space capacity of the closed detection unit when the joint pipe fitting to be detected leaks so as to release the pressure of liquid in the transparent cover when the gas leaks.
In a preferred embodiment, the machine is further provided with a lifting driving unit, the lifting driving unit comprises a lifting frame and a linear driver, the linear driver is fixedly mounted on the machine, the lifting frame is fixedly mounted on the output end of the linear driver, the machine is further provided with a guide structure for vertically guiding the lifting frame, and the reinforcing shell is mounted at the bottom of the lifting frame.
In a preferred embodiment, the vibration simulation unit comprises a vibration base, the vibration base is slidably mounted on a machine table, the reinforcing shell is slidably mounted at the bottom of the lifting frame, the machine table is fixedly provided with a vibration driver, the vibration base is mounted on the output end of the vibration driver, the bottom plate is fixedly connected with a guide rod, the guide rod is in sliding fit with the reinforcing shell, the bottom of the bottom plate is fixedly connected with a positioning pin, and the vibration base is provided with a positioning hole spliced with the positioning pin.
In a preferred embodiment, the top end of the inflation tube extends into the lifting frame, a chute which is in sliding fit with the inflation tube is arranged on the lifting frame, a fixed tube is fixedly arranged on the lifting frame, the fixed tube is connected with the high-pressure air pump through a pipeline, and the inflation tube is connected with the fixed tube through a hose.
In a preferred embodiment, a first guide rail is arranged between the vibration base and the machine table, a second guide rail is arranged between the reinforcing shell and the lifting frame, the guide directions of the first guide rail and the second guide rail are the same, and the linear driver is of a cylinder structure.
In a preferred embodiment, the component Rong Shiya is an elastic membrane, the top of the transparent cover and the reinforced shell are provided with windows, the elastic membrane is arranged in the windows, and the elastic membrane is fixedly arranged between the transparent cover and the reinforced shell and is of an elastic transparent film structure.
In a preferred embodiment, the component Rong Shiya is a slider structure, a plurality of groups of limiting grooves are formed in the top of the reinforced shell, the slider structure is slidably mounted in each group of limiting grooves, the slider structure slides up and down in the limiting grooves, limiting structures are arranged in the limiting grooves, and the density of the slider structure is greater than that of transparent liquid in the test pool.
In a preferred embodiment, the slider structure is a color-developing slider, the color-developing slider comprises a color-developing liquid infiltration layer, the bottom of the color-developing liquid infiltration layer is fixedly connected with a lower sealing plate, the top of the color-developing liquid infiltration layer is fixedly connected with an upper sealing plate, the color-developing liquid infiltration layer is slidably arranged in the limiting groove, the side wall of the color-developing liquid infiltration layer is in contact with the inner wall of the limiting groove, a hidden groove is formed in the limiting groove, colorless phenolphthalein solution is infiltrated in the color-developing liquid infiltration layer, the gas filled into the joint pipe fitting by the high-pressure air pump is ammonia gas, and when the color-developing slider is positioned at the bottom position in the limiting groove, the color-developing slider plugs the hidden groove.
In a preferred embodiment, the color developing solution infiltration layer is of a water absorption structure, the bottom of the lower sealing plate is of a conical structure, the color developing floating blocks are distributed at the top of the reinforced shell in an array mode, the two ends of the reinforced shell and the transparent cover in the moving direction are of tip structures, the top of the reinforced shell is provided with a gas discharging structure, the gas discharging structure is of a thread blocking structure, the top of the transparent cover and the top of the reinforced shell are provided with through holes, and the gas discharging structure is inserted in the through holes in a thread mode.
The test method of the ship hydraulic component test device comprises the following steps:
step one, connecting and sealing corresponding pipe orifices of the joint pipe fitting to be tested by using a closed connecting structure, and reserving one pipe orifice for inflation;
step two, mounting the joint pipe fitting to be tested on an element clamp, assembling a transparent cover and a bottom plate in colorless liquid in a test pool to seal the transparent cover and the bottom plate, and exhausting gas in the transparent cover to fill the colorless liquid in the transparent cover and the bottom plate;
thirdly, butting the inflation tube with a reserved tube orifice of the joint tube fitting to be tested, and inflating high-pressure gas into the joint tube fitting to be tested through a high-pressure air pump;
and fourthly, starting the vibration simulation unit to drive the closed detection unit and the joint pipe fitting to be detected in the closed detection unit to reciprocate so as to simulate the vibration state, and observing whether the joint pipe fitting to be detected generates bubbles or not.
The invention has the beneficial effects that: according to the invention, the vibration state is simulated by driving the joint pipe fitting to be tested to reciprocate in detection, so that the performance of the element in the vibration state can be effectively tested, and because the closed detection unit forms a closed space in detection, when the closed detection unit and the joint pipe fitting vibrate, liquid in the closed detection unit almost moves along with the closed detection unit and the joint pipe fitting simultaneously in a reciprocating manner, the problem that bubbles are inconvenient to observe due to larger flowing amplitude of the bubbles along with the liquid in the process of generating bubbles can be greatly avoided, and the detection precision of equipment is greatly improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the installation of the joint pipe fitting of the present invention.
Fig. 3 is a front view of the detection state of the present invention.
Fig. 4 is a side view of the detection state of the present invention.
Fig. 5 is an enlarged view of the structure of the closed detection unit according to the present invention based on fig. 1.
FIG. 6 is a schematic view of the overall structure of the transparent cover and the reinforced shell of the present invention.
FIG. 7 is a schematic diagram showing a pressure relief state when an elastic film is used as a capacity-increasing pressure relief component according to the present invention.
FIG. 8 is a schematic diagram of a closed detection unit when the slider structure is used as a pressure-increasing and pressure-reducing component.
FIG. 9 is a schematic diagram of a slider structure of the present invention in a pressure relief state.
FIG. 10 is a schematic diagram of a closed detection unit employing a chromogenic slider in accordance with the present invention.
FIG. 11 is a pressure relief state diagram of a color development slider of the present invention.
FIG. 12 is a schematic view showing the composition of a color developing slider of the present invention.
FIG. 13 is a top view of a reinforced housing of the present invention employing a chromogenic slider.
FIG. 14 is a test flow chart of the present invention.
The reference numerals are: 1. a machine table; 11. a test pool; 12. a high pressure air pump; 13. a first guide rail; 2. closing the detection unit; 21. a transparent cover; 22. adding a solid shell; 221. a limiting groove; 222. hiding the groove; 23. a bottom plate; 231. a component clamp; 232. a guide rod; 233. positioning pins; 24. an inflation tube; 241. a fixed tube; 242. a hose; 25. a deflation structure; 3. a vibration simulation unit; 31. a vibration base; 32. a vibration driver; 4. a lifting driving unit; 41. a lifting frame; 411. a second guide rail; 42. a linear driver; 5. a visual recognition component; 6. adding a Rong Shiya component; 61. an elastic film; 62. a slider structure; 63. a color-developing slider; 631. a color development liquid infiltration layer; 632. a lower closing plate; 633. and (5) an upper closing plate.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1-13, a method and a device for testing hydraulic components of a ship, the method and the device comprise a machine 1, a closed detection unit 2 and a vibration simulation unit 3, wherein a test tank 11 is fixedly arranged on the machine 1, the test tank 11 is also provided with a transparent structure for conveniently observing a detection structure, transparent liquid is arranged in the test tank 11, and the vibration simulation unit 3 is arranged in the test tank 11;
the closed detection unit 2 comprises a transparent cover 21 and a bottom plate 23, wherein the transparent cover 21 is detachably matched with the bottom plate 23, an element clamp 231 is fixedly arranged on the bottom plate 23, the element clamp 231 is used for fixing a joint pipe fitting to be detected, a reinforcing shell 22 is fixedly arranged outside the transparent cover 21, and the reinforcing shell 22 is used for structurally reinforcing the transparent cover 21 and effectively protecting the transparent cover 21;
an air inflation tube 24 is arranged in the transparent cover 21, and the air inflation tube 24 is connected with the high-pressure air pump 12;
during testing, the joint pipe fitting is fixedly arranged on the element clamp 231, the transparent cover 21 and the bottom plate 23 are mutually closed, so that the bottom plate 23 is positioned in a closed space formed in the transparent cover 21, when the transparent cover 21 and the bottom plate 23 are closed, the air charging pipe 24 is fixedly connected with one port of the joint pipe fitting, and other ports of the joint pipe fitting are subjected to sealing treatment;
the vibration simulation unit 3 drives the closed detection unit 2 and the joint pipe fitting inside the closed detection unit 2 to vibrate during testing so as to simulate the vibration state of the joint pipe fitting, and meanwhile, the inflation pipe 24 is used for inflating high-pressure gas into the joint pipe fitting;
the top of the transparent cover 21 is provided with the capacity-increasing pressure-releasing component 6, when the joint pipe fitting to be detected leaks air, the capacity-increasing pressure-releasing component 6 increases the space capacity of the closed detection unit 2 so as to release the pressure of liquid in the transparent cover 21 when the gas leaks, so that the pressure of the liquid inside and outside the transparent cover 21 is the same, the gas is not influenced by the external liquid pressure of the joint pipe fitting, and the gas can be normally leaked when the joint pipe fitting leaks.
It should be noted that, referring to fig. 6 of the specification, the reinforcing shell 22 only covers important parts such as corners of the transparent cover 21, and other parts are all in a bare state, so that the observation of the inside of the transparent cover 21 is not affected, and the sealing of the joint pipe fitting is performed, and the pipe orifice of the joint pipe fitting is connected and sealed by using a special closed type connecting structure, so that the state of connection with the hydraulic pipeline when the joint pipe fitting is normally used is simulated.
In the above embodiment, since the closed detecting unit 2 forms a closed space during detection, the joint pipe fitting is placed in the closed detecting unit 2 for analog detection, and when the closed detecting unit 2 and the joint pipe fitting vibrate, the liquid inside the closed detecting unit 2 and the liquid outside are mutually independent, so that the liquid inside the closed detecting unit 2 almost moves along with the closed detecting unit 2 and the joint pipe fitting at the same time in a reciprocating manner during the movement, the unordered flow of the liquid inside the closed detecting unit 2 is small, the problem that bubbles follow the liquid to have larger flow amplitude and inconvenient observation during the generation of bubbles can be greatly avoided, and the detection precision of the device is greatly improved.
Further, the machine 1 is further provided with a lifting driving unit 4, the lifting driving unit 4 is used for driving the closed detection unit 2 to lift, the lifting driving unit 4 comprises a lifting frame 41 and a linear driver 42, the linear driver 42 is fixedly installed on the machine 1, the lifting frame 41 is fixedly installed at the output end of the linear driver 42, the machine 1 is further provided with a guide structure for vertically guiding the lifting frame 41, and the reinforcing shell 22 is installed at the bottom of the lifting frame 41.
Referring to fig. 4 of the specification, the vibration simulation unit 3 includes a vibration base 31, the vibration base 31 is slidably mounted on the machine 1, the reinforcement shell 22 is slidably mounted at the bottom of the lifting frame 41, the machine 1 is fixedly mounted with a vibration driver 32, the vibration base 31 is mounted on an output end of the vibration driver 32, referring to fig. 5 of the specification, a guide rod 232 is fixedly connected to the bottom plate 23, the guide rod 232 is slidably matched with the reinforcement shell 22, a positioning pin 233 is fixedly connected to the bottom of the bottom plate 23, and a positioning hole spliced with the positioning pin 233 is formed in the vibration base 31.
The top of the air tube 24 extends into the lifting frame 41, a chute which is in sliding fit with the air tube 24 is arranged on the lifting frame 41, a fixing tube 241 is fixedly arranged on the lifting frame 41, the fixing tube 241 is connected with the high-pressure air pump 12 through a pipeline, the air tube 24 is connected with the fixing tube 241 through a hose 242, the air tube 24 can move relative to the lifting frame 41, the movement of the air tube 24 cannot be transmitted to the high-pressure air pump 12, further, in order to ensure the air pressure, the hose 242 is preferably a metal woven hose, and the air pressure can be ensured while the movable performance is ensured.
It should be noted that, referring to fig. 4 and 5 of the specification, a first guide rail 13 is disposed between the vibration base 31 and the machine 1, a second guide rail 411 is disposed between the reinforcement shell 22 and the lifting frame 41, the guiding directions of the first guide rail 13 and the second guide rail 411 are the same, and the linear driver 42 preferably adopts a linear driving device, such as a cylinder structure, and drives the vibration simulation unit 3 to drive the closed detection unit 2 and the joint pipe fitting to be tested to reciprocate to simulate the vibration state.
In this embodiment, the implementation scenario specifically includes: when the device is used, firstly, the lifting frame 41 is lifted, the closed detection unit 2 moves out of the machine table 1, at the moment, the bottom plate 23 and the transparent cover 21 are automatically separated under the action of gravity, the corresponding pipe orifice of the joint pipe fitting to be detected is plugged, the joint pipe fitting to be detected is installed on the element clamp 231, then the lifting frame 41 is controlled to descend, the bottom plate 23 and the transparent cover 21 are immersed into the liquid in the test pool 11, air in the transparent cover 21 is discharged, after the bottom plate 23 is contacted with the vibration base 31, the positioning pins 233 are inserted into the positioning holes to be positioned, then the transparent cover 21 is pressed down to be contacted with the bottom plate 23, the closed detection unit 2 is kept in a closed state under the pressure of the lifting frame 41, then high-pressure gas is flushed into the joint pipe fitting to be detected through the high-pressure gas pump 12, the vibration base 31 is driven by the vibration driver 32 to drive the closed detection unit 2 and the joint pipe fitting to be detected to reciprocate to simulate the vibration state, and whether the joint pipe fitting to be detected leaks gas or not, and if the gas leaks, the gas leakage and the position is observed.
Further, referring to fig. 7 of the specification, the capacity-increasing and pressure-releasing component 6 is an elastic film 61, windows are provided on the top of the transparent cover 21 and the reinforced shell 22, the elastic film 61 is disposed in the windows, the elastic film 61 is fixedly installed between the transparent cover 21 and the reinforced shell 22, and the elastic film 61 is of an elastic transparent film structure.
It should be noted that, after the transparent cover 21 and the bottom plate 23 are closed, since the transparent cover 21 is filled with the liquid, the elastic membrane 61 is not depressed downward to press the liquid inside the transparent cover 21 only by the external normal liquid pressure, so that when the closed detection unit 2 moves, the liquid inside the transparent cover 21 can still maintain a relatively stable state, the influence on the observation of bubbles is reduced, and when the joint pipe fitting to be detected leaks, the leaked gas increases the pressure inside the transparent cover 21, and referring to fig. 7 of the specification, the pressure can lift the elastic membrane 61 upward (the liquid in the test tank 11 outside the closed detection unit 2 is directly communicated with the atmosphere, so that the liquid pressure is the normal liquid pressure), when the pressure inside the transparent cover 21 increases to be greater than the external liquid pressure, the elastic membrane 61 is lifted upward, the space capacity of the closed detection unit 2 is increased to release the pressure, the normal leakage of the gas is not affected, and the leaked bubbles float upward to the bottom of the elastic membrane 61 to be observed more easily.
In the above embodiment, in order to record and observe the condition of bubble generation, the visual recognition component 5 may be directly disposed in the test pool 11, where the visual recognition component 5 is used to visually recognize the air leakage condition of the joint pipe fitting to be tested, and record whether the joint pipe fitting generates bubbles, but because the joint pipe fitting needs to vibrate continuously, the performance requirement of the visual recognition component 5 is higher, and the waterproof performance of the visual recognition component 5 and the shooting angle of the visual recognition component 5 need to be considered, so that the use cost is higher, and when in actual use, whether the visual recognition component 5 is used can be measured according to the requirement.
For this reason, in order to better determine the generating position of the air bubble, the present embodiment further provides another capacity-increasing and pressure-releasing assembly 6 for determining whether the air bubble is generated in a lower cost and more visual manner, specifically, referring to fig. 8 of the specification, the capacity-increasing and pressure-releasing assembly 6 is a slider structure 62, a plurality of groups of limiting grooves 221 are provided on the top of the reinforcing shell 22, the slider structure 62 is slidably mounted in each group of limiting grooves 221, the slider structure 62 can slide up and down in the limiting grooves 221, and a limiting structure is provided in the limiting grooves 221 to prevent the slider structure 62 from moving out of the limiting grooves 221.
It should be noted that, the density of the slider structure 62 is slightly greater than that of the transparent liquid in the test cell 11, and thus when the slider structure 62 is immersed in the transparent liquid in the test cell 11, it is automatically submerged at the bottommost position in the limiting groove 221, so that when the transparent cover 21 and the bottom plate 23 are closed, all the slider structures 62 are at a lower position, and when the joint pipe leaks air to generate air bubbles, the air bubbles generated at the same position are converged on the same group of slider structures 62, and referring to fig. 9 of the specification, the air bubbles are attached to the slider structures 62, so that the buoyancy of the slider structures 62 is improved, the slider structures 62 at the position are moved upward, and the slider structures 62 at the position are the highest, and by judging the air bubbles and the slider structures 62 that rise the position corresponding to the slider structures 62 on the joint pipe can be judged that the air leakage is generated.
Further, in order to more conveniently observe the position of the bubble, the present embodiment further provides the following technical solution, specifically, referring to fig. 10 and 12 of the specification, the slider structure 62 is a color developing slider 63, the color developing slider 63 includes a color developing solution impregnating layer 631, a lower sealing plate 632 is fixedly connected to the bottom of the color developing solution impregnating layer 631, an upper sealing plate 633 is fixedly connected to the top of the color developing solution impregnating layer 631, the color developing solution impregnating layer 631 is slidably disposed in the limiting groove 221, the side wall of the color developing solution impregnating layer 631 contacts with the inner wall of the limiting groove 221, a hiding groove 222 is disposed on the limiting groove 221, colorless phenolphthalein solution is impregnated in the color developing solution impregnating layer 631, and the gas filled into the joint pipe by the high-pressure air pump 12 is ammonia.
When the color-developing floating block 63 is located at the bottom of the limiting groove 221, the color-developing floating block 63 seals the hiding groove 222, so that the hiding groove 222 is not in contact with the inner cavity of the transparent cover 21, and the color-developing liquid wetting layer 631 is wrapped by the lower sealing plate 632 and the upper sealing plate 633, when bubbles are generated and the bubbles are converged upward, the bubbles are converged at the bottom of the color-developing floating block 63 at the corresponding position, so that the color-developing floating block 63 floats upward, and referring to fig. 11 of the specification, the hiding groove 222 is communicated with the bottom space of the lower sealing plate 632, the bubbles enter the hiding groove 222 to be in contact with the side wall of the color-developing liquid wetting layer 631, and ammonia hydroxide is generated when the ammonia bubbles are dissolved in water, so that the pH of the solution is raised, thereby the colorless phenolphthalein is changed into red, so that the leakage of the joint pipe fitting can be judged by observing the position of the color-developing floating block 63, and the leakage position of the joint pipe fitting can be deduced according to the position of the color-changing color-developing floating block 63, so that the accuracy and the convenience of the observation of the test result are greatly improved.
Further, the color developing solution impregnating layer 631 is a water absorbing structure, such as a sponge layer, and the bottom of the lower closing plate 632 is configured as a cone structure, which is beneficial for the movement of bubbles into the hiding groove 222.
Referring to fig. 13 of the specification, the color-developing floating blocks 63 are distributed at the top of the reinforced shell 22 in an array manner, so that position observation is more accurate, and both ends of the reinforced shell 22 and the transparent cover 21 along the moving direction are tip structures, so that influence on liquid in the test tank 11 is reduced, moving resistance of the closed detection unit 2 is reduced, air release structures 25 are arranged at the top of the reinforced shell 22 for convenient air release, the air release structures 25 are screw thread blocking structures, through holes are formed at the tops of the transparent cover 21 and the reinforced shell 22, the air release structures 25 are inserted in the through holes in a screw thread manner, when the transparent cover 21 is immersed in the liquid in the test tank 11, the air release structures 25 are opened, so that gas in the transparent cover 21 is discharged, and when the transparent cover 21 is completely immersed in the liquid in the test tank 11, the air release structures 25 are closed.
Referring to fig. 14 of the specification, a method for testing hydraulic components of a ship comprises the steps of:
step one, connecting and sealing corresponding pipe orifices of the joint pipe fitting to be tested by using a closed connecting structure, and reserving one pipe orifice for inflation;
step two, mounting the joint pipe fitting to be tested on the element clamp 231, assembling the transparent cover 21 and the bottom plate 23 in colorless liquid of the test pool 11 to be closed, and exhausting gas in the transparent cover 21 to enable the transparent cover 21 and the bottom plate 23 to be filled with colorless liquid;
thirdly, butting the inflation tube 24 with a reserved tube orifice of the joint tube fitting to be tested, and inflating high-pressure gas into the joint tube fitting to be tested through the high-pressure air pump 12;
and step four, starting the vibration simulation unit 3 to drive the closed detection unit 2 and the joint pipe fitting to be detected in the closed detection unit 2 to reciprocate so as to simulate the vibration state, and observing whether the joint pipe fitting to be detected generates bubbles or not.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. The utility model provides a testing arrangement of boats and ships hydraulic component which characterized in that: the device comprises a machine table (1), a closed detection unit (2) and a vibration simulation unit (3), wherein a test pool (11) is fixedly installed on the machine table (1), transparent liquid is arranged in the test pool (11), and the vibration simulation unit (3) is installed in the test pool (11);
the sealing detection unit (2) comprises a transparent cover (21) and a bottom plate (23), the transparent cover (21) is detachably matched with the bottom plate (23), an element clamp (231) is fixedly installed on the bottom plate (23), the element clamp (231) is used for fixing a joint pipe fitting to be detected, a reinforcing shell (22) is fixedly installed on the outer portion of the transparent cover (21), an air charging pipe (24) is further arranged in the transparent cover (21), and the air charging pipe (24) is connected with a high-pressure air pump (12);
during testing, the joint pipe fitting is fixedly arranged on the element clamp (231), the transparent cover (21) and the bottom plate (23) are mutually closed, the bottom plate (23) is positioned in a closed space formed in the transparent cover (21), the vibration simulation unit (3) drives the closed detection unit (2) and the joint pipe fitting in the closed detection unit (2) to vibrate during testing, and meanwhile, the inflation pipe (24) is used for inflating high-pressure gas into the joint pipe fitting;
the top of the transparent cover (21) is provided with a Rong Shiya increasing component (6), and the Rong Shiya increasing component (6) increases the space capacity of the closed detection unit (2) when the joint pipe fitting to be detected leaks so as to release the pressure of liquid in the transparent cover (21) when the gas leaks.
2. The device for testing a hydraulic component of a marine vessel according to claim 1, wherein: the lifting drive unit (4) is further arranged on the machine table (1), the lifting drive unit (4) comprises a lifting frame (41) and a linear driver (42), the linear driver (42) is fixedly arranged on the machine table (1), the lifting frame (41) is fixedly arranged at the output end of the linear driver (42), the machine table (1) is further provided with a guide structure for vertically guiding the lifting frame (41), and the reinforcing shell (22) is arranged at the bottom of the lifting frame (41).
3. A testing device for hydraulic components of a marine vessel according to claim 2, wherein: vibration simulation unit (3) are including vibrating base (31), vibrating base (31) slidable mounting is on board (1), consolidate the bottom of shell (22) slidable mounting in crane (41), fixed mounting has vibration driver (32) on board (1), vibrating base (31) are installed on vibration driver's (32) output, fixedly connected with guide arm (232) on bottom plate (23), guide arm (232) and consolidate shell (22) sliding fit, the bottom fixedly connected with locating pin (233) of bottom plate (23), be provided with the locating hole of pegging graft with locating pin (233) on vibrating base (31).
4. A testing device for marine hydraulic components according to claim 3, wherein: the top of gas tube (24) extends to in crane (41), be provided with on crane (41) with gas tube (24) sliding fit's spout, fixed pipe (241) are fixed mounting on crane (41), fixed pipe (241) are connected with high-pressure air pump (12) through the pipeline, gas tube (24) are connected with fixed pipe (241) through hose (242).
5. The device for testing a hydraulic component of a marine vessel according to claim 4, wherein: a first guide rail (13) is arranged between the vibration base (31) and the machine table (1), a second guide rail (411) is arranged between the reinforcement shell (22) and the lifting frame (41), the guide directions of the first guide rail (13) and the second guide rail (411) are the same, and the linear driver (42) is of an air cylinder structure.
6. The device for testing a hydraulic component of a marine vessel of claim 5, wherein: the Rong Shiya component (6) is an elastic membrane (61), windows are formed in the tops of the transparent cover (21) and the reinforcing shell (22), the elastic membrane (61) is arranged in the windows, the elastic membrane (61) is fixedly arranged between the transparent cover (21) and the reinforcing shell (22), and the elastic membrane (61) is of an elastic transparent film structure.
7. The device for testing a hydraulic component of a marine vessel of claim 5, wherein: the device is characterized in that the Rong Shiya component (6) is a floating block structure (62), a plurality of groups of limiting grooves (221) are formed in the top of the reinforcing shell (22), the floating block structure (62) is slidably installed in each group of limiting grooves (221), the floating block structure (62) slides up and down in the limiting grooves (221), limiting structures are arranged in the limiting grooves (221), and the density of the floating block structure (62) is greater than that of transparent liquid in the test tank (11).
8. The device for testing a hydraulic component of a marine vessel of claim 7, wherein: the utility model provides a color development floating block structure (62) is color development floating block (63), color development floating block (63) include color development liquid infiltration layer (631), the bottom fixedly connected with of color development liquid infiltration layer (631) seals board (632) down, the top fixedly connected with of color development liquid infiltration layer (631) seals board (633), color development liquid infiltration layer (631) slip sets up in restriction groove (221), just the lateral wall of color development liquid infiltration layer (631) contacts with the inner wall of restriction groove (221), be provided with hidden groove (222) on restriction groove (221), it has colorless phenolphthalein solution to soak in color development liquid infiltration layer (631), gas that fills in the joint pipe fitting is ammonia gas high-pressure air pump (12), when color development floating block (63) are arranged in the bottom position in restriction groove (221), color development floating block (63) shutoff to hidden groove (222).
9. The device for testing a hydraulic component of a marine vessel according to claim 8, wherein: the utility model discloses a color development wetting layer (631) is water-absorbent structure, the bottom of closing plate (632) down sets up to the toper structure, color development floating block (63) are the array and distribute at the top of consolidating shell (22), consolidate shell (22) and transparent cover (21) both ends along direction of motion are sharp end structure, the top of consolidating shell (22) is provided with gassing structure (25), gassing structure (25) are screw thread jam structure, the top of transparent cover (21) and consolidating shell (22) is provided with the through-hole, gassing structure (25) screw thread cartridge is in the through-hole.
10. A method of testing a test device for a marine hydraulic component according to claim 1, comprising the steps of:
step one, connecting and sealing corresponding pipe orifices of the joint pipe fitting to be tested by using a closed connecting structure, and reserving one pipe orifice for inflation;
step two, mounting the joint pipe fitting to be tested on an element clamp (231), assembling a transparent cover (21) and a bottom plate (23) in colorless liquid of a test pool (11) to be closed, and exhausting gas in the transparent cover (21) to fill the colorless liquid in the transparent cover (21) and the bottom plate (23);
thirdly, butting an inflation tube (24) with a reserved tube orifice of the joint tube fitting to be tested, and inflating high-pressure gas into the joint tube fitting to be tested through a high-pressure air pump (12);
and fourthly, starting the vibration simulation unit (3) to drive the closed detection unit (2) and the joint pipe fitting to be detected in the closed detection unit (2) to reciprocate so as to simulate the vibration state, and observing whether the joint pipe fitting to be detected generates bubbles or not.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410296592.XA CN117890026B (en) | 2024-03-15 | 2024-03-15 | Ship hydraulic component testing method and device |
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| CN202410296592.XA CN117890026B (en) | 2024-03-15 | 2024-03-15 | Ship hydraulic component testing method and device |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU922564A1 (en) * | 1980-09-15 | 1982-04-23 | Институт технической механики АН УССР | Plant for investigating valve pair tightness |
| US5070724A (en) * | 1990-07-24 | 1991-12-10 | Wubs Technologie B.V. | Method for checking the tightness of a casing, and device for carrying out said method |
| US5263361A (en) * | 1988-08-22 | 1993-11-23 | Gates Donald C | Apparatus for leak testing a fluid containing chamber utilizing a laser beam |
| US6276193B1 (en) * | 2000-08-10 | 2001-08-21 | Eaton Corporation | Detecting vapor leakage in a motor vehicle fuel system |
| WO2011150934A1 (en) * | 2010-06-01 | 2011-12-08 | Vestergaard Sa | Test method for a liquid purification and/or filtration device |
| CN107036767A (en) * | 2017-03-28 | 2017-08-11 | 宁波市北仑德邦模具技术有限公司 | The air tightness detection equipment of gas braking joint |
| CN109341967A (en) * | 2018-12-13 | 2019-02-15 | 北方民族大学 | A kind of air-tightness detection device and its application method of air inlet mechanical structure |
| CN110926748A (en) * | 2019-12-17 | 2020-03-27 | 哈尔滨工程大学 | Experimental device for curved surface boundary multi-angle electric spark bubble wall pressure load |
| CN114001882A (en) * | 2021-11-12 | 2022-02-01 | 宿州嘉润汽车部件有限公司 | Automobile thermostat shell airtightness detection device and detection method thereof |
| CN216669164U (en) * | 2021-12-24 | 2022-06-03 | 山西氢电科技有限公司 | Die casting forming quality detection device |
| CN217111371U (en) * | 2021-12-06 | 2022-08-02 | 武汉金仑汽配有限公司 | A sealed detection device for vehicle vent-pipe production |
| CN115031902A (en) * | 2022-08-12 | 2022-09-09 | 成都晟泽美塑业科技有限公司 | Gas pipeline joint air tightness test detection device and air tightness test method |
| CN115931232A (en) * | 2022-12-08 | 2023-04-07 | 南京双星塑料模具有限公司 | High-pressure sealing performance detection method for high-molecular connecting pipe |
| CN219104281U (en) * | 2022-11-25 | 2023-05-30 | 安徽高博过滤科技有限公司 | Fuel filter gas tightness detection device |
| CN116577028A (en) * | 2023-07-11 | 2023-08-11 | 国网甘肃省电力公司营销服务中心 | Photovoltaic power generation energy storage equipment safety monitoring equipment |
-
2024
- 2024-03-15 CN CN202410296592.XA patent/CN117890026B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU922564A1 (en) * | 1980-09-15 | 1982-04-23 | Институт технической механики АН УССР | Plant for investigating valve pair tightness |
| US5263361A (en) * | 1988-08-22 | 1993-11-23 | Gates Donald C | Apparatus for leak testing a fluid containing chamber utilizing a laser beam |
| US5070724A (en) * | 1990-07-24 | 1991-12-10 | Wubs Technologie B.V. | Method for checking the tightness of a casing, and device for carrying out said method |
| US6276193B1 (en) * | 2000-08-10 | 2001-08-21 | Eaton Corporation | Detecting vapor leakage in a motor vehicle fuel system |
| WO2011150934A1 (en) * | 2010-06-01 | 2011-12-08 | Vestergaard Sa | Test method for a liquid purification and/or filtration device |
| CN107036767A (en) * | 2017-03-28 | 2017-08-11 | 宁波市北仑德邦模具技术有限公司 | The air tightness detection equipment of gas braking joint |
| CN109341967A (en) * | 2018-12-13 | 2019-02-15 | 北方民族大学 | A kind of air-tightness detection device and its application method of air inlet mechanical structure |
| CN110926748A (en) * | 2019-12-17 | 2020-03-27 | 哈尔滨工程大学 | Experimental device for curved surface boundary multi-angle electric spark bubble wall pressure load |
| CN114001882A (en) * | 2021-11-12 | 2022-02-01 | 宿州嘉润汽车部件有限公司 | Automobile thermostat shell airtightness detection device and detection method thereof |
| CN217111371U (en) * | 2021-12-06 | 2022-08-02 | 武汉金仑汽配有限公司 | A sealed detection device for vehicle vent-pipe production |
| CN216669164U (en) * | 2021-12-24 | 2022-06-03 | 山西氢电科技有限公司 | Die casting forming quality detection device |
| CN115031902A (en) * | 2022-08-12 | 2022-09-09 | 成都晟泽美塑业科技有限公司 | Gas pipeline joint air tightness test detection device and air tightness test method |
| CN219104281U (en) * | 2022-11-25 | 2023-05-30 | 安徽高博过滤科技有限公司 | Fuel filter gas tightness detection device |
| CN115931232A (en) * | 2022-12-08 | 2023-04-07 | 南京双星塑料模具有限公司 | High-pressure sealing performance detection method for high-molecular connecting pipe |
| CN116577028A (en) * | 2023-07-11 | 2023-08-11 | 国网甘肃省电力公司营销服务中心 | Photovoltaic power generation energy storage equipment safety monitoring equipment |
Non-Patent Citations (1)
| Title |
|---|
| 万德安 等: "管道中液体泄漏的超声检测", 西安交通大学学报, vol. 20, no. 05, 31 October 1986 (1986-10-31) * |
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