CN217931175U - Material micro-strain testing device - Google Patents
Material micro-strain testing device Download PDFInfo
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- CN217931175U CN217931175U CN202221746514.8U CN202221746514U CN217931175U CN 217931175 U CN217931175 U CN 217931175U CN 202221746514 U CN202221746514 U CN 202221746514U CN 217931175 U CN217931175 U CN 217931175U
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- supercharging device
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Abstract
The utility model discloses a material micro strain testing device, relate to the testing arrangement field, including hydro-cylinder supercharging device, first mounting panel, the second mounting panel and the measuring part that is used for measuring the deflection of the sample that awaits measuring, first mounting panel fixed mounting is on hydro-cylinder supercharging device's piston, be provided with first standing groove on the first mounting panel, second mounting panel and hydro-cylinder supercharging device's cylinder body fixed connection, be provided with the second standing groove on the second mounting panel, the both ends of the sample that awaits measuring are placed respectively in first standing groove and second standing groove, use hydro-cylinder supercharging device to exert the effort to the sample that awaits measuring, can realize accurate regulation loading force through the oil pressure of adjusting hydro-cylinder supercharging device, also can be through the piston stroke of adjusting hydro-cylinder supercharging device simultaneously, in order to adapt to the sample that awaits measuring of not co-altitude.
Description
Technical Field
The utility model relates to a testing arrangement field especially relates to a material micro strain testing arrangement.
Background
When a certain kind of external force sensitive novel material is researched and developed, the continuous micro-strain condition of the novel material under a certain loading force action needs to be tested. In order to meet the testing precision, the loading force is required to be convenient to adjust and stable under any constant external force, the deviation cannot be larger than +/-1N, higher deformation testing precision is also required, the precision meets +/-1 micron, the testing duration is longer than or equal to 3 months, and data can be continuously monitored.
When the test is carried out, weights are placed, and the gravity of the weights is used as loading force. When the loading force needs to be adjusted, the loading weight needs to be replaced, and the tested object is not suitable for external force loading exceeding 100N because the outer diameter of the tested object is generally smaller than 20 mm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a material micro strain testing device has just been designed in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a material microstrain test apparatus comprising:
a cylinder supercharging device;
a first mounting plate; the first mounting plate is fixedly arranged on a piston of the oil cylinder supercharging device;
a second mounting plate; the second mounting plate is fixedly connected with a cylinder body of the oil cylinder pressurizing device, and two ends of a sample to be tested are respectively contacted with the first mounting plate and the second mounting plate;
the measuring piece is used for measuring the deformation of the sample to be measured.
The beneficial effects of the utility model reside in that: the oil cylinder pressurizing device is used for applying acting force to the sample to be tested, the loading force can be accurately adjusted by adjusting the oil pressure of the oil cylinder pressurizing device, and meanwhile, the piston stroke of the oil cylinder pressurizing device can be adjusted to adapt to the sample to be tested with different heights.
Drawings
FIG. 1 is a schematic structural diagram of a material microstrain testing device of the present invention;
wherein corresponding reference numerals are:
1-an oil cylinder supercharging device, 2-a first mounting plate, 3-a piston, 4-a cylinder body, 5-a pressure sensor, 6-a displacement sensor, 7-a fixed block, 8-a pull rod, 9-a shell, 10-a set screw, 11-a limiting rod, 12-a second mounting plate and 13-a sample to be tested.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the material micro-strain testing apparatus includes:
a cylinder pressurization device 1;
a first mounting plate; the first mounting plate is fixedly arranged on a piston of the oil cylinder supercharging device;
a second mounting plate; the second mounting plate is fixedly connected with a cylinder body of the oil cylinder supercharging device, and two ends of a sample to be tested 13 are respectively contacted with the first mounting plate and the second mounting plate;
a measuring member for measuring the amount of deformation of a sample 13 to be tested.
The testing device further comprises a pressure sensor 5, the pressure sensor 5 being adapted to detect a test pressure of a sample 13 to be tested.
The measuring part comprises a displacement sensor 6 and a fixed block 7, a shell 9 of the displacement sensor 6 is fixedly connected with a second mounting plate 12, the fixed block 7 is fixedly connected with the first mounting plate 2, a pull rod 8 of the displacement sensor 6 is in contact with the fixed block 7, and the displacement sensor 6 is an LVDT sensor.
The measuring piece further comprises a set screw 10, a mounting hole and a fixing hole are formed in the second mounting plate 12, a groove is formed in the shell 9 of the displacement sensor 6, the displacement sensor 6 is placed in the mounting hole, and the set screw 10 penetrates through the fixing hole and is located in the groove.
The testing device further comprises a limiting rod 11, the limiting rod 11 is fixedly installed on the first installation plate 2, the length of the limiting rod 11 is smaller than the distance between the first installation plate 2 and the second installation plate 12, and the limiting rod is used for preventing a sample from being damaged and an LVDT sensor from being damaged when accidents happen.
The utility model discloses material micro strain testing arrangement's theory of operation as follows:
cylinder body 4 fixed mounting of hydro-cylinder supercharging device 1 is on the base, second mounting panel 12 passes through screw rod fixed mounting on the base, be provided with the perforation on first mounting panel 2, first mounting panel 2 is on the screw rod through the perforation suit, first mounting panel 2 fixed mounting is on piston 3 of hydro-cylinder supercharging device 1, draw and press sensor fixed mounting on first mounting panel 2, fixed block 7 and gag lever post 11 all pass through coupling screw fixed mounting on first mounting panel 2, draw and press equal fixed mounting on sensor and the second mounting panel 12 and have connecting bolt, two connecting bolt set up relatively, displacement sensor 6 passes through fixed plate fixed mounting on second mounting panel 12, mounting hole and fixed orifices set up on the fixed plate, the mounting hole is passed to 8 one end of the pull rod of displacement sensor 6, then fix displacement sensor 6 on second mounting panel 12 through holding screw 10, the pull rod 8 and the fixed block 7 contact of displacement sensor 6.
Before testing, a sample 13 to be tested is placed between the two connecting bolts, and then the stroke of the piston 3 of the oil cylinder pressurizing device 1 is controlled and adjusted to adapt to the height of the sample 13 to be tested; during testing, the loading force is accurately adjusted by adjusting the oil pressure of the oil cylinder supercharging device 1, the force actually applied to the sample 13 to be tested is accurately monitored by the tension and compression sensor, and the strain data of the sample 13 to be tested can be determined by detecting the deformation quantity of the sample 13 to be tested by the displacement sensor 6.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (6)
1. Material microstrain testing arrangement which characterized in that includes:
a cylinder supercharging device;
a first mounting plate; the first mounting plate is fixedly arranged on a piston of the oil cylinder supercharging device;
a second mounting plate; the second mounting plate is fixedly connected with a cylinder body of the oil cylinder supercharging device, and two ends of a sample to be tested are respectively contacted with the first mounting plate and the second mounting plate;
the measuring piece is used for measuring the deformation of the sample to be measured.
2. The material microstrain test device of claim 1, wherein the test device further comprises a pressure sensor for detecting a test pressure of the sample to be tested.
3. The material microstrain testing device of claim 2, wherein the pressure sensor is fixedly connected to the first mounting plate.
4. The material microstrain testing device of claim 1, characterized in that, the measuring part includes displacement sensor and fixed block, the shell of displacement sensor is fixedly connected with second mounting plate, the fixed block is fixedly connected with first mounting plate, the pull rod of displacement sensor contacts with fixed block.
5. The material microstrain testing device of claim 4, characterized in that, the measuring piece further comprises a set screw, the second mounting plate is provided with a mounting hole and a fixing hole, the housing of the displacement sensor is provided with a groove, the displacement sensor is placed in the mounting hole, and the set screw passes through the fixing hole and is positioned in the groove.
6. The material microstrain testing device of claim 4, characterized in that the testing device further comprises a stop bar fixedly mounted on the first mounting plate, the length of the stop bar being less than the distance between the first mounting plate and the second mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221746514.8U CN217931175U (en) | 2022-07-06 | 2022-07-06 | Material micro-strain testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221746514.8U CN217931175U (en) | 2022-07-06 | 2022-07-06 | Material micro-strain testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217931175U true CN217931175U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221746514.8U Active CN217931175U (en) | 2022-07-06 | 2022-07-06 | Material micro-strain testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217931175U (en) |
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2022
- 2022-07-06 CN CN202221746514.8U patent/CN217931175U/en active Active
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