CN112255102A - Multifunctional material mechanics underwater test equipment under ultrahigh pressure - Google Patents
Multifunctional material mechanics underwater test equipment under ultrahigh pressure Download PDFInfo
- Publication number
- CN112255102A CN112255102A CN202011264242.3A CN202011264242A CN112255102A CN 112255102 A CN112255102 A CN 112255102A CN 202011264242 A CN202011264242 A CN 202011264242A CN 112255102 A CN112255102 A CN 112255102A
- Authority
- CN
- China
- Prior art keywords
- underwater test
- underwater
- tank
- hydraulic
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0232—High pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a multifunctional material mechanics underwater test device under ultrahigh pressure, which comprises: the device comprises a hydraulic pressure tank, an underwater test mechanism arranged in the hydraulic pressure tank, and a loading mechanism for applying acting force to the underwater test mechanism; the hydraulic tank comprises a tank body, a hydraulic tank gland sealed with the tank body and a supporting unit for supporting and fixing the underwater test mechanism; the loading mechanism comprises a piston shaft which penetrates through the center of the hydraulic pressure tank gland to play a role in guiding; one end of the underwater test mechanism is connected with the piston shaft, and the other end of the underwater test mechanism is fixedly connected with the supporting unit; the hydraulic pressure tank is coaxially arranged with the underwater test mechanism and the loading mechanism. The device is used for tests such as stretching, bending, compressing, breaking and the like under ultrahigh water pressure, and can perform operations such as uniaxial stretching, compressing, cyclic loading, load holding and the like under the conditions of force control and displacement control.
Description
Technical Field
The invention relates to the technical field of mechanical property testing, in particular to multifunctional material mechanics underwater test equipment for deep sea materials under ultrahigh pressure.
Background
With the development of science and technology, the research of ocean technology is also highly regarded, the research significance of the multifunctional material in deep sea is great, however, most of the existing test devices for testing the mechanical property of the material are carried out in the conventional pressure environment, and the requirements of the mechanical property test research of the multifunctional material such as metal, ceramic and the like for deep sea cannot be met.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a multifunctional material mechanics underwater test under ultrahigh pressure and high pressure, which can simulate the mechanical properties of a material in a deep sea environment by performing tests such as stretching, bending, compressing, breaking and the like on a metal or non-metal material under a certain high pressure, and can provide data support for the subsequent material selection.
In order to achieve the purpose, the invention adopts the following specific technical scheme:
the invention provides a multifunctional material mechanics underwater test under ultrahigh pressure, which comprises the following steps: the device comprises a hydraulic pressure tank, an underwater test mechanism arranged in the hydraulic pressure tank, and a loading mechanism for applying acting force to the underwater test mechanism; the hydraulic tank comprises a tank body, a hydraulic tank gland sealed with the tank body and a supporting unit for supporting and fixing the underwater test mechanism; the loading mechanism comprises a piston shaft which penetrates through the center of the hydraulic pressure tank gland to play a role in guiding; one end of the underwater test mechanism is connected with the piston shaft, and the other end of the underwater test mechanism is fixedly connected with the supporting unit; the hydraulic pressure tank is coaxially arranged with the underwater test mechanism and the loading mechanism.
Preferably, the supporting unit comprises two lower upright columns arranged in parallel, a lower upright column connecting plate for connecting the two lower upright columns, and a lower cross beam for supporting; the underwater test mechanism is fixedly connected with the lower cross beam.
Preferably, the hydraulic pressure tank further comprises a gland sealing ring, a gland sealing gasket and a gland retainer ring for sealing the tank body and the hydraulic pressure tank gland.
Preferably, the loading mechanism comprises: the hydraulic pressure jar gland is installed to electronic jar, entablature, load sensor, last stand, install and play the piston shaft of guide effect, first wear-resisting ring and second wear-resisting ring, with the piston shaft cooperation install and play sealing effect's sealing washer and dust ring on the hydraulic pressure jar gland.
Preferably, the underwater testing mechanism comprises: the universal assembly is symmetrically connected to two ends of the clamp and the measuring assembly.
Preferably, the universal assembly connected with the clamp and one end of the measuring assembly is connected with the water pressure load sensor through a connecting sleeve and an upper locking ring, and the water pressure load sensor is fixed with the lower cross beam through an adapter and a lower locking ring sleeved on the adapter; and the universal assembly connected with the other ends of the clamp and the measuring assembly is connected with the piston shaft.
Preferably, the jig and measurement assembly comprises: the fixture assembly and the measuring assembly;
preferably, the clamp assembly comprises: the device comprises an upper clamp connecting piece with a fixing through hole, an upper clamp coaxially fixed with the upper clamp connecting piece through a bolt, a sample fixed between the upper clamp and a lower clamp, and a clamp bolt connecting the lower clamp and the lower clamp connecting piece.
Preferably, the measuring assembly comprises: the device comprises an extensometer, an upper clamping groove connecting rod and a lower clamping groove connecting rod which are connected with the extensometer and a sample, an upper locking piece and a lower locking piece which are used for fixing the upper clamping groove connecting rod and the lower clamping groove connecting rod, a spring which is connected with the two extensometers, a guide sheet which is fixed on a clamp connecting piece and plays a role in guiding, and a guide wheel which is used for assisting the extensometer to move when generating relative displacement.
Preferably, the gimbal assembly comprises: the universal joint comprises a centripetal joint bearing for connecting a universal joint body and a piston shaft, a pin bush for sleeving the universal joint body and a clamp connecting piece, and a universal pin for connecting and fixing; the universal assembly ensures the coaxiality of the underwater test mechanism.
The device is a multifunctional material mechanics underwater test under ultrahigh pressure, realizes the test of material mechanics characteristics through an electric cylinder, a host frame, a measuring machine and the like, simulates the marine environment through a hydraulic pressure tank, and simulates the mechanical characteristic test of deep sea materials. The multifunctional material mechanics underwater test equipment under ultrahigh pressure has the characteristics of reliable technical performance, long-term stability and the like.
The invention can obtain the following technical effects:
1. the mechanical properties of the material under the deep sea high pressure environment of 100MPa and 100kN are simulated.
2. And (4) real-time data, and performing data analysis to judge the mechanical properties of the material.
Drawings
FIG. 1 is an overall schematic diagram according to one embodiment of the invention;
FIG. 2 is an overall schematic view of a hydraulic tank according to one embodiment of the present invention;
FIG. 3 is an overall schematic view of a loading mechanism according to one embodiment of the invention;
FIG. 4 is an overall schematic view of an underwater testing mechanism according to one embodiment of the present invention;
FIG. 5 is an overall schematic view of a fixture and measurement assembly according to one embodiment of the invention.
Wherein the reference numerals include:
a hydraulic tank 1 including;
the device comprises a tank body 101, a hydraulic tank gland 102, a gland sealing ring 103, a gland sealing gasket 104, a gland retainer ring 105, a lower upright post 110, a lower cross beam 111 and a lower upright post connecting plate 112;
the loading mechanism 2 includes:
the device comprises an electric cylinder 21, an upper cross beam 22, a load sensor 23, an upper upright post 24, a piston shaft 25, a first wear-resistant ring 26, a sealing ring 27, a dust-proof ring 28 and a second wear-resistant ring 29;
the underwater test mechanism 3 includes:
the fixture and measurement assembly 31, the universal assembly 32, the connecting sleeve 33, the upper locking ring 34, the hydraulic pressure load sensor 35, the lower locking ring 36 and the adapter 37;
the jig and measurement assembly 31 includes: a clamp assembly 311, a measurement assembly 312;
clamp assembly 311The method comprises the following steps: an upper clamp connector 3111, an upper clamp 3112, a sample 3113, a lower clamp 3114, a clamp bolt 3115, a lower clamp connector 3116;
the measurement component 312 includes:the device comprises an upper clamping piece 3121, an upper clamping groove connecting rod 3122, a lower clamping piece 3123, a lower clamping groove connecting rod 3124, a guide wheel 3125, a guide sheet 3126, a spring 3127, and an extensometer 3128;
a radial spherical plain bearing 321, a universal joint body 322, a pin sleeve 323 and a universal pin 324.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.
The multifunctional underwater testing equipment for mechanics of materials under ultrahigh pressure provided by the embodiment of the invention will be explained in detail below.
As shown in fig. 1, the multifunctional material mechanics underwater test device under ultrahigh pressure and high strength of the invention comprises a hydraulic pressure tank 1, a loading mechanism 2 and an underwater test mechanism 3. The hydraulic tank 1 is a sealed high-pressure-resistant tank body and is used for simulating an underwater environment with ultrahigh pressure, such as a deep sea high-pressure environment. The underwater test mechanism 3 is arranged in the water body environment of the hydraulic pressure tank 1 to complete the mechanical underwater test of various materials. The ultrahigh pressure in the hydraulic tank 1 is generated by pressurizing and injecting water, and the loading mechanism 2 is arranged on a hydraulic tank gland 102 of the hydraulic tank 1 and applies axial acting force to the underwater testing mechanism 3. The underwater testing mechanism 3 is positioned inside the hydraulic pressure tank 1 and is coaxially arranged with the hydraulic pressure tank 1, and the loading mechanism 2 vertically penetrates through the center of the hydraulic pressure tank gland 102 and is coaxially connected with the underwater testing mechanism 3. The invention aims to simulate the mechanical characteristics of a sample under the water pressure of 100MPa and the force of 100kN, so that the materials of the selected parts are all high-pressure-resistant alloy materials.
Fig. 2 is a structural diagram of the hydraulic tank 1, and the main body comprises a tank body 101 and a hydraulic tank gland 102 which are hermetically connected to define a sealed cavity which can resist high pressure. The water pressure tank gland 102 is of a boss structure, and the boss part extends into the water pressure tank 1 and is matched with the inner diameter of the tank body 101; the boss part is sealed and fixed with the tank body 101 through a gland sealing ring 103, a gland sealing gasket 104 and a gland retainer ring 105; a through hole matched with the diameter of the piston shaft 25 is formed in the circle center of the hydraulic pressure tank gland 102, so that the piston shaft 25 can penetrate through the hydraulic pressure tank gland 102 and enter the inner space of the tank body 101; a supporting unit is fixed below the hydraulic pressure tank gland 102 and extends out of the inner cavity of the tank body 101 for supporting and fixing the underwater testing mechanism 3. The supporting unit comprises two lower upright posts 110 arranged in parallel, a lower upright post connecting plate 112 connecting the two lower upright posts 110, and a lower cross beam 111 for supporting. The length direction of the lower upright columns 110 is perpendicular to the hydraulic tank gland 102 and is parallel to the axial direction of the tank body 101, the two lower upright columns 110 are symmetrically fixed along the axial direction of the tank body, the bottom ends of the two lower upright columns 110 are connected through a lower upright column connecting plate 112, a lower cross beam 111 is also connected with the lower upright columns 110, and the directions of the lower cross beam 111 and the lower upright column connecting plate 112 are parallel to the hydraulic tank gland 102 in pairs; wherein the lower cross beam 111 plays a role of providing a reverse action force to the hydraulic pressure load sensor 35, and the lower column connecting plate 112 plays a role of ensuring that the two lower columns 110 are parallel.
Fig. 3 is a structural diagram of the loading mechanism 2, wherein the loading mechanism 2 provides an axial acting force for the whole mechanical underwater testing device to stretch or compress the test specimen 3113; as loading mechanism 2 applies pressure to sample 3113 inward, the sample compresses, while the opposing force experienced by hydraulic load cell 35 increases, similarly to the opposing force decreasing as loading mechanism 2 applies tension to sample 3113 outward.
In a preferred embodiment of the present invention, the center of the upper beam 22 is provided with a large through hole adapted to the diameter of the electric cylinder 21, two small through holes adapted to the diameter of the boss portion of the upper column 24, and three through holes are in a straight line; a flange plate with the diameter larger than that of the large through hole is fixed on the electric cylinder 21, and when the electric cylinder 21 vertically penetrates through the large through hole, the flange plate is abutted against the upper cross beam 22 and is fixed by bolts, so that the electric cylinder 21 is fixedly connected with the upper cross beam 22; the upper upright posts 24 are of two cylindrical boss structures with different diameters, the boss parts have small diameters, penetrate through the small through holes of the upper cross beam 22 and are abutted against the bottom surface of the upper cross beam 22, and the limiting effect is achieved; the part extending out of the upper cross beam 22 is fixed by a nut, so that the upper cross beam 22 is fixedly connected with the upper upright post 24; the upper upright column 24 is vertical to the hydraulic pressure tank gland 102 and is fixed by bolts; the piston shaft 25 is connected with the electric cylinder 21 and vertically penetrates through a through hole at the circle center of the hydraulic pressure tank gland 102, the piston shaft 25 is sleeved with a first wear-resisting ring 26 and a second wear-resisting ring 29, and the piston shaft 25 is sealed with the hydraulic pressure tank gland 102 through matching with the sealing ring 27 and the dust-proof ring 28.
Fig. 4 is a structural diagram of the underwater testing mechanism, which reflects the mechanical properties of the sample 3113 under 100MPa water pressure and 100kN external force by measuring the force value and deformation of the sample 3113 after being stressed by the water pressure load sensor 35 and the extensometer 3128.
In a preferred embodiment of the present invention, the clamp and the measuring assembly 31 are respectively connected at both ends with a gimbal assembly 32 for improving coaxiality; the universal assembly 32 consists of a radial spherical plain bearing 321, a universal joint body 322, a universal pin 324 and a pin sleeve 323, wherein one end of the universal joint body 322 with a boss is in interference fit with one end of the pin sleeve 323, and the other end of the pin sleeve 323 is in clearance fit with other assemblies and is connected and fixed by the universal pin 324; the other end of the universal joint body 322 can be connected and fixed with other components through the inserted radial spherical bearings 321.
In a preferred embodiment of the present invention, the upper end of the fixture and measurement assembly 31 is connected to one end of a gimbal assembly 32, and the other end of the gimbal assembly 32 connected thereto is connected and fixed to the piston shaft 25 by a radial spherical bearing 321; the lower end of the clamp and the measuring component 31 is connected with one end of the universal component 32 at the other end, and the other end of the universal component 32 connected with the clamp and the measuring component 31 is connected and fixed with the connecting sleeve 33 through the radial spherical plain bearing 321, so that the clamp and the measuring component 31 are connected with the universal components 32 at the two ends.
As shown in fig. 4, the hydraulic load sensor 35 is closely connected to the upper locking ring 34 at the upper end, the connecting sleeve 33, the lower locking ring 36 at the lower end and the adaptor 37 at the lower end, so that it can accurately sense the pressure change of the test sample 3113 when it is subjected to the axial force applied by the loading mechanism 2.
In a preferred embodiment of the invention, one end of the connecting sleeve 33 with a boss is sleeved with a locking ring 34 and is abutted with a groove on the top surface of the water pressure load sensor 35; an upper boss of the adaptor 37 is sleeved with an upper locking ring 34 and is abutted with a groove on the bottom surface of the water pressure load sensor 35, and a lower boss of the adaptor 37 is abutted with the lower cross beam 111 and is fixed by bolts; after the lower locking ring 36 and the water pressure load sensor 35, the water pressure load sensor 35 and the upper locking ring 34, and the upper locking ring 34 and the connecting sleeve 33 are fully contacted and have no gap by adjusting the height of the lower cross beam 111 on the lower upright post 110, the upper locking ring 34 and the lower locking ring 36 are locked by screws to ensure that the position of the water pressure load sensor 35 is fixed.
Fig. 5 shows the overall structure of the clamp and measurement assembly 31, including the clamp assembly 311 and the measurement assembly 312.
In a preferred embodiment of the present invention, the clamp assembly 311 includes an upper clamp connector 3111, an upper clamp 3112, a lower clamp 3114, a clamp bolt 3115, a lower clamp connector 3116, a coupon 3113 is fixed between the upper clamp 3112 and the lower clamp 3114 having a wedge-shaped groove therein; wherein, last anchor clamps 3112 passes through bolt and the side has last anchor clamps connecting piece 3111 fixed connection of through-hole, and lower anchor clamps connecting piece 3116 one end passes through anchor clamps bolt 3115 and is connected fixedly with lower anchor clamps 3114. The upper clamp connector 3111 is fixed in clearance fit with the pin sleeve 323 in the gimbal assembly 32 (see fig. 4) by a pin connection; one end of the lower clamp connector 3116 is clearance fitted with the pin sleeve 323 in the other gimbal assembly 32 and fixed by a pin connection; so that the clamp and measurement assembly 31 is integrally connected with the upper and lower gimbal assemblies 32.
In a preferred embodiment of the present invention, a guide piece 3126 is also axially fixed to the lower clamp link 3116.
In a preferred embodiment of the present invention, two sets of extensometers 3128 are used to average the deformation, and the extensometers 3128 are symmetrically fixed on both sides of the test specimen 3113 and are distributed on the same plane as the test specimen 3113; one ends of the two groups of extensometers 3128 are respectively connected with the sample 3113 through an upper clamping groove connecting rod 3122 and a lower clamping groove connecting rod 3124 and are respectively fixed with the sample 3113 through an upper locking piece 3121 and a lower locking piece 3123; the other ends of the two groups of extensometers 3128 are respectively connected by a spring 3125 which plays a role of restriction, and two guide wheels 3127 are provided on each group of extensometers 3128, so that when the sample 3113 is compressed or stretched by the electric cylinder 21 to generate deformation, the guide wheels 3127 of the extensometers 3128 are driven to move up and down along the direction of the guide sheet 3126, so as to improve the straightness.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a multi-functional mechanics of materials underwater test equipment under ultrahigh pressure is strong which characterized in that includes: the device comprises a hydraulic tank (1), an underwater test mechanism (3) arranged in the hydraulic tank (1), and a loading mechanism (2) for applying acting force to the underwater test mechanism (3); the hydraulic tank (1) comprises a tank body (101), a hydraulic tank gland (102) sealed with the tank body (101), and a supporting unit for supporting and fixing the underwater test mechanism (3); the loading mechanism (2) comprises a piston shaft (25) which penetrates through the center of the hydraulic pressure tank gland (102) and plays a role in guiding; one end of the underwater test mechanism (3) is connected with the piston shaft (25), and the other end of the underwater test mechanism is fixedly connected with the supporting unit; the hydraulic pressure tank (1) is coaxially arranged with the underwater test mechanism (3) and the loading mechanism (2).
2. The multifunctional material mechanics testing equipment under ultra-high water pressure as recited in claim 1, wherein said supporting unit comprises two lower vertical columns (110) arranged in parallel, a lower vertical column connecting plate (112) connecting the two lower vertical columns (110), a lower cross beam (111) for supporting; the underwater test mechanism (3) is fixedly connected with the lower cross beam (111).
3. The multifunctional material mechanics testing equipment under ultra-high water pressure as claimed in claim 1, wherein said hydraulic tank (1) further comprises a gland sealing ring (103), a gland sealing gasket (104) and a gland retaining ring (105) for sealing said tank body (101) and said hydraulic tank gland (102).
4. The underwater multifunctional mechanics of materials testing apparatus under ultra-high pressure as set forth in claim 1, wherein said loading mechanism (2) comprises: the hydraulic cylinder sealing device comprises an electric cylinder (21), an upper cross beam (22), a load sensor (23), an upper upright post (24), a piston shaft (25) which is arranged on a hydraulic cylinder gland (102) and plays a guiding role, a first wear-resisting ring (26) and a second wear-resisting ring (29), and a sealing ring (27) and a dust ring (28) which are arranged on the hydraulic cylinder gland (102) in a matched mode with the piston shaft (25) and play a sealing role.
5. The underwater multifunctional mechanics of materials testing apparatus under ultra high pressure as set forth in claim 1, wherein said underwater testing mechanism (3) comprises: the fixture comprises a fixture and measuring component (31) and universal components (32) symmetrically connected to two ends of the fixture and measuring component (31).
6. The multifunctional material mechanics underwater test equipment under ultra-high pressure as recited in claim 3, characterized in that the universal assembly (32) connected with one end of the clamp and measuring assembly (31) is connected with a hydraulic load sensor (35) through a connecting sleeve (33) and an upper locking ring (34), and the hydraulic load sensor (35) is fixed with the lower cross beam (111) through an adapter (37) and a lower locking ring (36) sleeved on the adapter (37); the universal assembly (32) connected with the other end of the clamp and measuring assembly (31) is connected with the piston shaft (25).
7. The multifunctional material mechanics underwater test apparatus under ultra high pressure as claimed in claim 3, characterized in that said clamp and measurement assembly (31) comprises: the clamp assembly (311) and the measuring assembly (312).
8. The multifunctional mechanics of materials underwater test apparatus under ultra high pressure as claimed in claim 5, characterized in that said clamp assembly (311) comprises: last anchor clamps connecting piece (3111) with fixed through-hole, with last anchor clamps connecting piece (3111) coaxial through bolt fastening last anchor clamps (3112), fix last anchor clamps (3112) and lower anchor clamps (3114) middle sample (3113), connect anchor clamps (3114) and anchor clamps bolt (3115) of lower anchor clamps connecting piece (3116).
9. The multifunctional mechanics of materials underwater test apparatus at ultra-high pressures of claim 4, wherein the measurement assembly (312) comprises: the device comprises an extensometer (3128), an upper clamping groove connecting rod (3122) and a lower clamping groove connecting rod (3124) which are connected with the extensometer (3128) and a sample (3113), an upper locking piece (3121) and a lower locking piece (3123) which are used for fixing the upper clamping groove connecting rod (3122) and the lower clamping groove connecting rod (3124), a spring (3127) which is connected with the extensometer (3128), a guide sheet (3126) which is fixed on a lower clamp connecting piece (3116) and has a guide function, and a guide wheel (3125) which is used for assisting the extensometer (3128) to generate relative displacement and move.
10. The multifunctional mechanics of materials underwater test apparatus at ultra-high pressures of claim 3, wherein said gimbal assembly (32) comprises: a radial spherical plain bearing (321) for connecting a universal joint body (322) and the piston shaft (25), a pin sleeve (323) for sleeving the universal joint body (322) and the upper clamp connecting piece (3111), and a universal pin (324) for connecting and fixing; the universal assembly (32) ensures the coaxiality of the underwater test mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011264242.3A CN112255102A (en) | 2020-11-12 | 2020-11-12 | Multifunctional material mechanics underwater test equipment under ultrahigh pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011264242.3A CN112255102A (en) | 2020-11-12 | 2020-11-12 | Multifunctional material mechanics underwater test equipment under ultrahigh pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112255102A true CN112255102A (en) | 2021-01-22 |
Family
ID=74265759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011264242.3A Pending CN112255102A (en) | 2020-11-12 | 2020-11-12 | Multifunctional material mechanics underwater test equipment under ultrahigh pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112255102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820212A (en) * | 2021-09-23 | 2021-12-21 | 浙江大学 | Mechanics experimental system of softwood material under high hydrostatic pressure environment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608988A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | A kind of uni-directional stretching test clamp for warm shaping of metal plate |
| CN102620990A (en) * | 2012-03-30 | 2012-08-01 | 中国科学院合肥物质科学研究院 | Device and method for testing material embrittlement under liquid metal condition |
| CN103257073A (en) * | 2013-06-03 | 2013-08-21 | 长春新试验机有限责任公司 | Electric cylinder type single shaft loading machine |
| CN203465154U (en) * | 2013-09-28 | 2014-03-05 | 中国科学院金属研究所 | Slow tensile test device with high-temperature high-pressure circulating water |
| CN104374646A (en) * | 2013-08-12 | 2015-02-25 | 中航试金石检测科技有限公司 | Bar creep deformation extensometer |
| CN105987847A (en) * | 2015-03-04 | 2016-10-05 | 天津市海王星海上工程技术股份有限公司 | Steel hydrogen embrittlement test device under cathode protection in marine environment and test method |
| CN107727487A (en) * | 2017-11-20 | 2018-02-23 | 北京科技大学 | Material at high temperature Mechanics Performance Testing equipment under a kind of aerothermodynamic coupling environment |
| CN108931440A (en) * | 2017-05-27 | 2018-12-04 | 核工业西南物理研究院 | A kind of small sample is uniaxially stretched creep test fixture |
| CN109855963A (en) * | 2018-12-27 | 2019-06-07 | 华东理工大学 | A kind of tensile shear combination ductile fracture experimental system and experimental method |
| CN110196156A (en) * | 2019-03-12 | 2019-09-03 | 天津大学 | A kind of deep-sea pipeline Complicated Loads combination loading test method |
-
2020
- 2020-11-12 CN CN202011264242.3A patent/CN112255102A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608988A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | A kind of uni-directional stretching test clamp for warm shaping of metal plate |
| CN102620990A (en) * | 2012-03-30 | 2012-08-01 | 中国科学院合肥物质科学研究院 | Device and method for testing material embrittlement under liquid metal condition |
| CN103257073A (en) * | 2013-06-03 | 2013-08-21 | 长春新试验机有限责任公司 | Electric cylinder type single shaft loading machine |
| CN104374646A (en) * | 2013-08-12 | 2015-02-25 | 中航试金石检测科技有限公司 | Bar creep deformation extensometer |
| CN203465154U (en) * | 2013-09-28 | 2014-03-05 | 中国科学院金属研究所 | Slow tensile test device with high-temperature high-pressure circulating water |
| CN105987847A (en) * | 2015-03-04 | 2016-10-05 | 天津市海王星海上工程技术股份有限公司 | Steel hydrogen embrittlement test device under cathode protection in marine environment and test method |
| CN108931440A (en) * | 2017-05-27 | 2018-12-04 | 核工业西南物理研究院 | A kind of small sample is uniaxially stretched creep test fixture |
| CN107727487A (en) * | 2017-11-20 | 2018-02-23 | 北京科技大学 | Material at high temperature Mechanics Performance Testing equipment under a kind of aerothermodynamic coupling environment |
| CN109855963A (en) * | 2018-12-27 | 2019-06-07 | 华东理工大学 | A kind of tensile shear combination ductile fracture experimental system and experimental method |
| CN110196156A (en) * | 2019-03-12 | 2019-09-03 | 天津大学 | A kind of deep-sea pipeline Complicated Loads combination loading test method |
Non-Patent Citations (1)
| Title |
|---|
| 张伟丽等: "《建筑结构实验指导书》", 30 November 2018, 中国地质大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820212A (en) * | 2021-09-23 | 2021-12-21 | 浙江大学 | Mechanics experimental system of softwood material under high hydrostatic pressure environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108760150B (en) | Large-scale force value symmetrical loading force and moment decoupling calibration device | |
| CN104912873B (en) | A kind of lateral force loading device of the hydraulic cylinder of simulated condition | |
| CN105910908A (en) | Device and measuring method for measuring direct stretching mechanical parameter of rock | |
| CN205826421U (en) | A kind of device measuring rocks in direct tension mechanics parameter | |
| CN112255102A (en) | Multifunctional material mechanics underwater test equipment under ultrahigh pressure | |
| CN111948077A (en) | High-temperature high-pressure composite fretting wear test device | |
| CN113138071B (en) | Test device for applying bidirectional compression load | |
| CN112161790B (en) | Metal static seal equivalent test device of clamping-pressing type mechanical connector | |
| CN116773379B (en) | Axial load and transverse reciprocating action coupling test device for pressurizing pipeline | |
| CN110208021B (en) | Hydraulic stretcher calibrating device | |
| CN209878347U (en) | Hydraulic stretcher calibrating device | |
| CN209910965U (en) | Experimental device for critical looseness load measurement of bolt | |
| CN209878483U (en) | Device for detecting hydrogen brittleness resistance of metal material under dynamic stretching-bending composite load | |
| CN201903482U (en) | Loading testing device for concrete sample with two shafts pulled and one shaft pressed | |
| CN214121853U (en) | High confining pressure rock mechanical property test device | |
| CN114018732B (en) | Rolling fretting fatigue test device and test method | |
| KR100628279B1 (en) | The Method and Device of the On-Line Performance Test of Snubber | |
| CN110220791B (en) | Axial tensile test device for cylindrical concrete member | |
| CN114235573A (en) | Dynamic and static drawing test device and method for anchor rod or anchor cable | |
| CN100592066C (en) | Dual-rod symmetrically load application method for measuring critical force of pressure lever with a fixed end and a free end | |
| CN112629860A (en) | Testing machine for detecting fretting wear of automobile hub bearing and detection method thereof | |
| CN117470644A (en) | Bending test clamp for measuring large-curvature test of carbon fiber composite material | |
| CN113447344B (en) | Test equipment and method for simulating performance of rock-soil body under action of tension-compression dynamic wave | |
| CN219265672U (en) | Pressure testing device for downhole tool | |
| CN112986004B (en) | Tension-compression bidirectional high-temperature creep endurance testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
|
| RJ01 | Rejection of invention patent application after publication |