CN210603953U - Measuring device for tensile and pressure resistance of underwater instrument - Google Patents
Measuring device for tensile and pressure resistance of underwater instrument Download PDFInfo
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- CN210603953U CN210603953U CN201921752945.3U CN201921752945U CN210603953U CN 210603953 U CN210603953 U CN 210603953U CN 201921752945 U CN201921752945 U CN 201921752945U CN 210603953 U CN210603953 U CN 210603953U
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Abstract
The utility model belongs to the technical field of the measurement of power, a measuring device of bearing and drawing resistance to pressure of instrument and equipment under water is related to. A measuring device for tensile and pressure resistance of an underwater instrument comprises two bearing lead screws; an upper end cover and a lower end cover are arranged at two ends of the bearing lead screw; an installation component for connecting an instrument to be tested is arranged between the upper end cover and the lower end cover; the mounting assembly is connected to the force sensor. The utility model discloses a measuring device for instrument under water holds and draws resistance to pressure can realize that instrument equipment is satisfying simultaneously withstand voltage and holds the test task of drawing under two states under, and the instrument is in the true working property who holds under the pressure-resistant operating condition of drawing under the test under water. And the utility model discloses a measuring device, simple structure is compact, can wholly place in the overhead tank under the pulling force protects the load state, accords with the current size requirement that equipment was treated to the device of suppressing.
Description
Technical Field
The utility model belongs to the technical field of the measurement of power, a measuring device of bearing and drawing resistance to pressure of instrument and equipment under water is related to.
Background
With the development of underwater resources and the detection of underwater environments, especially in environments with large depth such as the ocean, research and development and use of various underwater instruments and equipment are more and more common. In the research and development process of underwater instruments and equipment, the pressure resistance and the tensile property of various underwater instruments and equipment are two very important indexes for judging whether the underwater instruments and equipment can normally work underwater, and the two indexes are always compatible and need to meet the work requirement at the same time. Therefore, during the development of underwater equipment, the pressure resistance and tensile property of the equipment need to be carefully considered. In the prior art, the tensile capacity of the underwater instrument can be tested under the condition of large tensile force through a tensile testing machine, and the pressure resistance of the underwater instrument can be tested under the condition of large pressure through equipment such as a pressing tank.
At present, when most underwater instruments are used for carrying out bearing-pulling and pressure-resistant reliability performance tests, a tensile testing machine or a pressure tank is used for independently testing single parameters of tensile force or pressure, or underwater instrument equipment is directly thrown into a target sea area for testing, correspondingly higher testing cost is brought, for the real working conditions of the underwater instrument equipment, the equipment needs to be simultaneously bearing-pulled under the pressure-resistant condition, and from the perspective of an instrument design side or a use side, how to really and accurately obtain the working reliability of the instrument under the real working conditions becomes the problem which needs to be solved. Under the prior art, no effective testing device and method can simultaneously test the working performance of underwater equipment in pressure-resistant and tensile states.
The tension environment and the pressure environment of underwater instruments and equipment in an underwater real working state are difficult to realize simultaneously, particularly, under the working conditions of large depth and large bearing, the pressure value can reach dozens of megapascals, the tension value can reach several tons, the realizability requirement on a high-pressure high-tension index of a testing device is higher, and the testing cost is greatly improved or researched on the basis of the existing high-water-pressure pressurizing device or large-scale tension testing machine.
Therefore, it is necessary to design a universal tensile and pressure resistance test device and a test method for different types of underwater instruments.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at just in order to solve the technical problem of can not the simultaneous test withstand voltage of instrument equipment under water among the prior art, hold the pull nature, provide and be used for instrument under water to hold the measuring device who draws withstand voltage ability, under the operating condition's of instrument equipment under water true simulation the condition, test it and be in simultaneously withstand voltage and hold the job stabilization nature and the reliability under the pull state.
The utility model provides a technical scheme that its technical problem adopted is: a measuring device for tensile and pressure resistance of an underwater instrument comprises two bearing lead screws; an upper end cover and a lower end cover are arranged at two ends of the bearing lead screw; an installation component for connecting an instrument to be tested is arranged between the upper end cover and the lower end cover; the mounting assembly is connected to the force sensor.
As a further improvement of the utility model, the installation component including set up pinhole on the upper end cover lower surface, go up connecting bolt, fix the lower connecting bolt of lower end cover upper surface, break out.
As a further improvement of the utility model, the upper and lower sides of the upper end cover or the lower end cover are respectively fixed by nuts.
As a further improvement of the utility model, be equipped with the adapting unit who connects tensile test machine on upper end cover and the lower end cover.
As a further improvement of the utility model, the upper end cover or the lower end cover is provided with a reinforcing rib plate.
Compared with the prior art, the utility model discloses a measuring device for instrument bears under water and draws withstand voltage performance has following beneficial effect:
1. the device can realize simultaneous test of the bearing and pressure resistance working conditions of the underwater instrument, and can simulate the marine underwater working environment more truly.
2. Compact structure, whole appearance is slenderness type, can satisfy current tensile testing machine and high-pressure tank to measuring the appearance requirement of test piece.
3. The strength is high, the requirements of high pressure resistance and high tensile working condition of dozens of megapascals pressure and several tons of tensile force can be met, and the device is suitable for testing the environmental reliability of deep-sea underwater instruments.
4. The tensile force load-holding test can be carried out independently, and the pressure-bearing and pressure-resisting dual-working-condition test can also be carried out.
Drawings
Fig. 1 is the utility model discloses a structure schematic diagram of a measuring device for bearing of instrument under water and drawing withstand voltage performance.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The utility model discloses a measuring device for instrument bears draws resistance to pressure under water, as shown in fig. 1, mainly have two load lead screws 6, upper end cover 2, lower end cover 9, force sensor 10 to constitute. The upper end cover 2 and the lower end cover 9 are respectively sleeved at two ends of the two screw rods 6, and the upper side and the lower side of the upper end cover 2 and the lower end cover 9 are respectively fixed by nuts 3. And a mounting assembly for connecting an instrument to be tested is arranged between the upper end cover 2 and the lower end cover 9 and comprises a pin hole arranged on the lower surface of the upper end cover 2, an upper connecting bolt 4, a lower connecting bolt 8 and a shackle 7. The lower part of the lower connecting bolt 8 is a threaded column, and the upper end of the threaded column is a connecting ring. The lower connecting bolt 8 is screwed with the lower end cap 9, and fixes the force sensor 10 on the upper surface of the lower end cap 9.
In some embodiments of the present invention, in order to facilitate the connection of the tensile testing machine, a connection component is required to be disposed on the upper end cover and the lower end cover, and the preferred scheme is to respectively provide the upper pull ring 1 and the lower pull ring 11 on the upper surface of the upper end cover 2 and the lower surface of the lower end cover 9. During the test, the tensile testing machine is respectively connected and fixed with the upper pull ring 1 and the lower pull ring 11, and carries out tensile loading on the device.
The utility model discloses an in some embodiments, in order to satisfy the instrument load-holding performance requirement under the several tons of pulling forces, be equipped with cross strengthening rib version 12 at the upper surface of upper end cover 2, be equipped with parallel strengthening rib version 13 at the upper surface of lower end cover 9.
The utility model discloses the device, main atress part are eight nuts 3, two load lead screws 6 and upper end cover 2 and lower end cover 9. According to the requirements of tensile properties of different types of underwater equipment, the testing range of the device can be adjusted by replacing the bearing lead screw 6 and the nut 3.
The utility model discloses a measuring device of withstand voltage ability is drawn to instrument under water, theory of operation and application method are:
firstly, an underwater instrument 5 is connected with a pin hole on an upper top cover 2 through an upper connecting bolt 4, meanwhile, the upper section of a bearing lead screw 6 is connected with an upper end cover 2 through four positioning stress nuts 3, the lower end of the underwater instrument 5 is connected with a lower connecting bolt 8 through a shackle 7, then, the lower connecting bolt 8, a force sensor 10 and an upper end cover 9 are connected, the force sensor 10 is fixed on the lower end cover 9 through the lower connecting bolt 8 and the lower end cover in threaded connection, and the lower section of the bearing lead screw 6 is connected with the lower end cover 9 through four positioning stress nuts 3.
After the assembly is completed, the whole device is connected with a tensile testing machine through an upper hanging ring 1 and a lower hanging ring 11, four positioning stress nuts 3 at the lower section of a bearing lead screw 6 are reinforced and screwed down, the four positioning stress nuts 3 at the upper section keep a loose state, and a certain distance is kept between the nuts at the upper side and the lower side and an upper end cover 2.
The tension loading is carried out by using a tension tester, after the tension is loaded to a set value, the tension value born by the underwater instrument and equipment 5 is observed and determined by observing the numerical value on the force sensor 10, the two positioning stress nuts 3 on the lower side of the upper end cover 2 are respectively screwed to increase the tension value born by the underwater instrument and equipment 5, the tension value of the upper end cover 10 is observed, when the tension value reaches the rated tension value, the screwing of the two positioning stress nuts 3 on the lower side of the upper end cover 2 is stopped, and at the moment, the two positioning stress nuts 3 on the upper side of the upper top cover 2 are screwed tightly.
And secondly, taking down the whole device from the tensile testing machine, standing for 48 hours, observing whether the tensile value on the force sensor 10 changes or not, and ensuring that the value on the force sensor 10 always reaches the rated tensile force of the underwater instrument and equipment.
And finally, placing the whole device into a pressurizing device under the condition of bearing the rated tensile force, adjusting the pressure value of the pressurizing device to the rated pressure value required by the design of the underwater instrument, keeping the whole device under the pressure for 48 hours, observing whether the pressure value on a pressure gauge of the pressurizing device changes or not, taking out the whole device after 48 hours if the pressure value does not change, standing for 2 hours, and observing whether the tensile force value of the underwater instrument changes or not through a force sensor 10.
The device can realize that the underwater instrument and equipment simultaneously meet the test tasks in two states of pressure resistance and bearing and pulling, and test the working performance of the underwater instrument in a real bearing, pulling and pressure resistance working state.
Claims (5)
1. The utility model provides a measuring device that is used for instrument bearing under water to draw withstand voltage performance which characterized in that: comprises two bearing lead screws; an upper end cover and a lower end cover are arranged at two ends of the bearing lead screw; an installation component for connecting an instrument to be tested is arranged between the upper end cover and the lower end cover; the mounting assembly is connected to the force sensor.
2. The device for measuring the tensile and pressure resistance of an underwater instrument as claimed in claim 1, wherein: the mounting assembly comprises a pin hole arranged on the lower surface of the upper end cover, an upper connecting bolt, a lower connecting bolt fixed on the upper surface of the lower end cover and a shackle.
3. The device for measuring the tensile and pressure resistance of an underwater instrument as claimed in claim 1, wherein: the upper side and the lower side of the upper end cover or the lower end cover are respectively fixed through nuts.
4. The device for measuring the tensile and pressure resistance of an underwater instrument as claimed in claim 1, wherein: and the upper end cover and the lower end cover are provided with connecting parts for connecting the tensile testing machine.
5. The device for measuring the tensile and pressure resistance of an underwater instrument as claimed in any one of claims 1 to 4, wherein: and the upper end cover or the lower end cover is provided with a reinforcing rib plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752945.3U CN210603953U (en) | 2019-10-18 | 2019-10-18 | Measuring device for tensile and pressure resistance of underwater instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752945.3U CN210603953U (en) | 2019-10-18 | 2019-10-18 | Measuring device for tensile and pressure resistance of underwater instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210603953U true CN210603953U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752945.3U Active CN210603953U (en) | 2019-10-18 | 2019-10-18 | Measuring device for tensile and pressure resistance of underwater instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210603953U (en) |
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2019
- 2019-10-18 CN CN201921752945.3U patent/CN210603953U/en active Active
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