CN210720046U - Performance testing device for buoyancy material - Google Patents

Performance testing device for buoyancy material Download PDF

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Publication number
CN210720046U
CN210720046U CN201921191864.0U CN201921191864U CN210720046U CN 210720046 U CN210720046 U CN 210720046U CN 201921191864 U CN201921191864 U CN 201921191864U CN 210720046 U CN210720046 U CN 210720046U
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China
Prior art keywords
buoyancy
pressure container
pressure
testing
water
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CN201921191864.0U
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Chinese (zh)
Inventor
张文斌
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Shenzhen Ivs Flow Control Co ltd
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Shenzhen Ivs Flow Control Co ltd
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Abstract

The performance testing device for the buoyancy material is characterized by comprising a high-pressure container, a pressurizing device and a buoyancy testing device, wherein the pressurizing device is connected with the high-pressure container, and the buoyancy testing device is arranged at the top of the high-pressure container. The utility model provides a testing device, pressure boost to high-pressure vessel through the booster pump, the pressure value converts to the depth of water, and buoyancy material promotes the loading pole and acts on weighing sensor, and weighing sensor's reading subtracts the gravity value of loading pole and is the buoyancy value of buoyancy material surveyed; reading the water inflow in the pressurizing process through an electronic scale, and calculating the water absorption rate of the buoyancy material; the device can intuitively and accurately simulate the buoyancy generated by the buoyancy material under water at different depths, can also test main parameters of the buoyancy material such as compressive strength, water absorption and the like, and is convenient and quick.

Description

Performance testing device for buoyancy material
[ technical field ]
The utility model relates to a material capability test device field, concretely relates to buoyancy material's capability test device field.
[ background art ]
The deep sea buoyancy material is a special material for providing required buoyancy for deep sea operation equipment, can ensure that the deep sea operation equipment keeps a stable working state in a deep sea environment, and has the characteristics of low density, high strength, low water absorption rate, capability of being machined and the like. The compression limit of the foam material is 5MPa, the foam material can only be used in sea areas above 500m underwater, and special buoyancy materials must be used for submarine equipment below 500 m.
At present, the manufacturing technology of the deep sea buoyancy material is monopolized by countries such as Japan, Russia, America and the like, and the buoyancy material used by domestic deep sea operation equipment mainly depends on import. Compared with foreign materials, the buoyancy material developed at home has certain gap in the main performances such as strength, water absorption and the like. With the exhaustion of land resources, the development of marine resources is urgently needed, the research and development of marine equipment technology are particularly important, the buoyancy material is used as an important material of deep-sea equipment, and the performance test device and method can provide necessary test data support for the research and development process.
[ contents of utility model ]
In order to overcome the prior art defect, the utility model provides a buoyancy material's capability test device tests buoyancy material's performance.
The performance testing device for the buoyancy material is characterized by comprising a high-pressure container, a pressurizing device and a buoyancy testing device, wherein the pressurizing device is connected with the high-pressure container, and the buoyancy testing device is arranged at the top of the high-pressure container.
Further, the high-pressure vessel comprises a high-pressure vessel body and a high-pressure vessel upper cover, the high-pressure vessel body and the high-pressure vessel upper cover are closed, a cavity with a space is arranged inside the high-pressure vessel body, a drain pipe is arranged at the bottom of the high-pressure vessel body, the supercharging device is connected with the high-pressure vessel body, and the buoyancy testing device is arranged at the top of the high-pressure vessel upper cover.
Further, the buoyancy testing device comprises a weighing sensor fixing frame, a sealing ring, a weighing sensor, a loading rod and a guide sleeve, wherein the guide sleeve penetrates through the upper cover of the high-pressure container, the two ends of the guide sleeve are arranged on the sealing ring and distributed on the inner side and the outer side of the high-pressure container cover, the loading rod is arranged in the guide sleeve, one end of the loading rod extends into the high-pressure container, the other end of the loading rod is connected with a testing material, the other end of the loading rod extends out of the high-pressure container, the other end of the loading rod is connected with the weighing sensor, the weighing sensor fixing frame.
Further, supercharging device includes pressure sensor, booster pump, water tank and electronic scale, and wherein pressure sensor links to each other with the high-pressure container body, and the booster pump is connected to the water tank, and the electronic scale is weighed to the water tank.
Further, the seal between the guide sleeve and the load is a sliding seal.
The utility model has the advantages that:
the utility model provides a testing device, pressure boost to high-pressure vessel through the booster pump, the pressure value converts to the depth of water, and buoyancy material promotes the loading pole and acts on weighing sensor, and weighing sensor's reading subtracts the gravity value of loading pole and is the buoyancy value of buoyancy material surveyed; reading the water inflow in the pressurizing process through an electronic scale, and calculating the water absorption rate of the buoyancy material; the device can intuitively and accurately simulate the buoyancy generated by the buoyancy material under water at different depths, can also test main parameters of the buoyancy material such as compressive strength, water absorption and the like, and is convenient and quick.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a partial enlarged view of an embodiment of the present invention.
[ detailed description of the invention ]
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, an embodiment of the present invention includes a high pressure vessel 11 composed of a high pressure vessel upper cover and a high pressure vessel body, for simulating deep sea environment, wherein the upper cover can be opened, and the two are sealed and connected by a connecting mechanism, and a certain space is provided inside the high pressure vessel 11, and the tested buoyancy material 6 is placed inside the high pressure vessel 11 for testing; the top of the high-pressure container 11 is a buoyancy testing device, and is composed of a weighing sensor fixing frame 1, a sealing ring 2, a weighing sensor 3, a loading rod 4 and a guide sleeve 5, wherein the weighing sensor fixing frame 1 is used for mounting the weighing sensor 3, the weighing sensor 3 is connected with one end of the loading rod 4, the loading rod 4 slides up and down in the guide sleeve 5, the other end of the loading rod is connected with a tested buoyancy material 6, the guide sleeve 5 penetrates through the upper cover of the high-pressure container 11, the loading rod 4 and the guide sleeve 5 are sealed through the sealing ring 2, the sealing mode is sliding sealing, and the friction force is small; the high-pressure container body is connected with a supercharging device, the supercharging device is composed of a pressure sensor 7, a booster pump 8, a water tank 9 and an electronic scale 10, the booster pump 8 boosts the pressure of the high-pressure container 11, the pressure sensor 7 detects the pressure in the high-pressure container and converts the pressure into water depth, the water tank provides medium water for the booster pump, and the electronic scale 10 calculates the water inlet amount in the process of supercharging the high-pressure container 11 by the booster pump 8 to obtain the water inlet volume.
The specific flow of the buoyancy test of the buoyancy material is as follows: placing the buoyancy material 6 in the high-pressure container 11, and installing an upper cover of the high-pressure container 11; the booster pump 8 is started, the pressure is increased in the high-pressure container 11, the pressure value read by the pressure sensor 7 is converted into the water depth, the booster pump is stopped and the pressure is kept after the water depth reaches a certain value, the numerical value of the weighing sensor 3 is read, the self weight of the loading rod 4 is subtracted to obtain the buoyancy value of the buoyancy material 6 in the water depth environment, the seal between the guide sleeve 5 and the loading rod 4 is sliding seal, the friction force is small, and the sealing is ignored during actual test.
The concrete flow of the pressure strength test of the buoyancy material is as follows: placing the buoyancy material 6 in the high-pressure container 11, and installing an upper cover of the high-pressure container 11; starting the booster pump 8, boosting the pressure in the high-pressure container 11, converting the pressure value read by the pressure sensor 7 into water depth, stopping boosting and keeping the pressure for a certain time after the certain water depth is reached, taking out the buoyancy material 6 and cutting the buoyancy material after the pressure is stable, and observing whether the section of the buoyancy material 6 meets the design requirement.
The specific flow of the water absorption test of the buoyancy material is as follows: filling water into a high-pressure container 11, starting a booster pump 8, reading the pressure value of a pressure sensor 7 and converting the pressure value into water depth H, and reading the water inflow of an electronic scale 10, which is converted into volume V1 from the water depth of 0 and the water depth of H; the method comprises the steps of placing the buoyancy material 6 in a high-pressure container 11, installing an upper cover of the high-pressure container 11, starting a booster pump 8, boosting the pressure in the high-pressure container 11, converting a pressure value read by a pressure sensor 7 into water depth H, stopping boosting and keeping the pressure after the pressure reaches a certain water depth, converting water inflow of the electronic scale 10 with the water depth of 0 and the water depth of H into volume V2, and converting the total volume of the buoyancy material into V, wherein the water absorption of the buoyancy material when the water depth is H is as follows: the water absorption rate of the buoyancy material is (V2-V1)/V
The utility model provides an embodiment simulates the depth of water through the pressure boost in to high-pressure vessel, just can simulate deep sea pressure in the laboratory, can read the buoyancy value that the buoyancy material of being tested produced when different water depth directly perceivedly, has guide meaning and data support to the research and development of new material to the compressive strength test that can compatible buoyancy material and the test of the water absorption rate under the different pressure.
Above only do the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, all belong to the technical scheme of the present invention all belong to the protection scope of the present invention. For those skilled in the art, several modifications can be made without departing from the principles of the present invention, and such modifications are to be considered as within the scope of the present invention.

Claims (3)

1. A performance testing device for a buoyancy material is characterized by comprising a high-pressure container, a pressurizing device and a buoyancy testing device, wherein the pressurizing device is connected with the high-pressure container; the high-pressure container consists of a high-pressure container body and a high-pressure container upper cover, a cavity with a space is formed inside the high-pressure container body and the high-pressure container upper cover after the high-pressure container body and the high-pressure container upper cover are closed, a drain pipe is arranged at the bottom of the high-pressure container body, the supercharging device is connected with the high-pressure container body, and the buoyancy testing device is arranged at the top; the buoyancy testing device comprises a weighing sensor fixing frame, a sealing ring, a weighing sensor, a loading rod and a guide sleeve, wherein the guide sleeve penetrates through the upper cover of the high-pressure container, the two ends of the guide sleeve are arranged on the sealing ring and distributed on the inner side and the outer side of the high-pressure container cover, the loading rod is arranged in the guide sleeve, one end of the loading rod extends into the high-pressure container, the other end of the loading rod is connected with a testing material, the other end of the loading rod extends out of the high-pressure container, one end of the loading rod is connected with the weighing sensor, the weighing sensor fixing.
2. The apparatus of claim 1, wherein the pressurizing device comprises a pressure sensor, a pressurizing pump, a water tank and an electronic scale, wherein the pressure sensor is connected to the high-pressure container body, the pressurizing pump is connected to the high-pressure container body, the water tank is connected to the pressurizing pump, and the electronic scale weighs the water tank.
3. The apparatus for testing the performance of a buoyant material according to claim 1, wherein the seal between the guide sleeve and the load is a sliding seal.
CN201921191864.0U 2019-07-26 2019-07-26 Performance testing device for buoyancy material Active CN210720046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921191864.0U CN210720046U (en) 2019-07-26 2019-07-26 Performance testing device for buoyancy material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921191864.0U CN210720046U (en) 2019-07-26 2019-07-26 Performance testing device for buoyancy material

Publications (1)

Publication Number Publication Date
CN210720046U true CN210720046U (en) 2020-06-09

Family

ID=70927953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921191864.0U Active CN210720046U (en) 2019-07-26 2019-07-26 Performance testing device for buoyancy material

Country Status (1)

Country Link
CN (1) CN210720046U (en)

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