CN210071487U - Device for measuring surface deformation of test piece - Google Patents
Device for measuring surface deformation of test piece Download PDFInfo
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- CN210071487U CN210071487U CN201920692598.3U CN201920692598U CN210071487U CN 210071487 U CN210071487 U CN 210071487U CN 201920692598 U CN201920692598 U CN 201920692598U CN 210071487 U CN210071487 U CN 210071487U
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- laser displacement
- displacement sensor
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Abstract
The utility model provides a device for measuring test piece surface deformation, belongs to test piece mechanical properties measuring equipment field. Comprises a connecting device, a chassis device, a lifting device and a rotating device; a boss and an annular guide rail are arranged on a base of the chassis device, and the guide rail surrounds the boss; a motor A of the rotating device is arranged on the guide rail, an angle sensor is arranged on one side of the motor A, an upright post of the lifting device is arranged on the motor A, a motor B is arranged on the upright post, and a laser displacement sensor A is arranged on one side of the motor B; the connecting device is positioned above the chassis device, a laser displacement sensor C is arranged on the side surface of a connecting plate of the connecting device, and a pressure sensor is arranged on the top surface of the connecting plate. The utility model discloses a elevating gear and rotating device make laser displacement sensor A can survey the deformation index of test piece surface any point through stand and motor B and guide rail and motor A respectively, and connecting device can directly acquire the pressure that force device applyed the test piece through pressure sensor.
Description
Technical Field
The utility model relates to a test piece mechanical properties measuring equipment field especially relates to a device for measuring test piece surface deformation.
Background
The existing deformation testing method usually adopts contact type deformation measurement, is limited by installation of a contact type measuring device, the installation number and the installation position of measuring points are often limited, the measurement of deformation indexes of continuous arbitrary points cannot be realized, the precision of the measurement result of the deformation indexes is not high, and the height of a test piece can change under a stress state.
SUMMERY OF THE UTILITY MODEL
Adopt the unsafe problem of result that the contact deformation measurement acquireed to test piece deformation test for solving now, the utility model provides a device for measuring test piece surface deformation.
In order to achieve the above object, the utility model adopts the following technical scheme: a device for measuring the surface deformation of a test piece comprises a connecting device, a chassis device, a lifting device and a rotating device; a boss and an annular guide rail are arranged on a base of the chassis device, and the guide rail surrounds the boss; a motor A of the rotating device is arranged on the guide rail, an angle sensor is arranged on one side of the motor A, an upright post of the lifting device is arranged on the motor A, a motor B is arranged on the upright post, and a laser displacement sensor A is arranged on one side of the motor B; the connecting device is positioned above the chassis device, a laser displacement sensor C is arranged on the side surface of a connecting plate of the connecting device, and a pressure sensor is arranged on the top surface of the connecting plate.
Further, the top surface of the guide rail is arranged to be rack-shaped and is connected with a gear A of a motor A in a matched mode, the motor A is connected with the upright post through a flange E, and the side surface of the upright post is arranged to be rack-shaped and is connected with a gear B of a motor B in a matched mode.
Further, the bottom of the stand column is provided with a lower travel switch, the top of the lower travel switch is provided with a positioning plate, the top of the stand column is provided with an upper travel switch, the motor B is further provided with a laser displacement sensor B, and the laser displacement sensor B and the positioning plate are positioned on the same side.
Further, the motor B is connected with a power supply through a lifting switch, and the motor A is connected with the power supply through a rotating switch.
Further, when the motor B is contacted with the lower travel switch, the laser displacement sensor A and the top surface of the boss are positioned on the same horizontal plane; when the motor B is contacted with the upper travel switch, the laser displacement sensor A and the bottom surface of the connecting plate are positioned on the same horizontal plane.
The utility model has the advantages that: the lifting device and the rotating device respectively enable the laser displacement sensor A to measure the deformation index of any point on the surface of the test piece through the upright column and the motor B as well as the guide rail and the motor A, and the connecting device can directly acquire the pressure applied to the test piece by the force application device through the pressure sensor.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the rotating device of the present invention;
fig. 3 is a schematic structural view of the lifting device of the present invention;
fig. 4 is a schematic structural view of the connecting device of the present invention;
fig. 5 is a top view of the chassis device of the present invention;
fig. 6 is a schematic structural diagram of the chassis device of the present invention.
In the figure, 1, a force application device, 2, a connecting device, 3, a test piece, 4, a chassis device, 5, a lifting device, 6, a rotating device, 7, an upper travel switch, 8, an upright post, 9, a flange A, 10, a laser displacement sensor A, 11, a motor B, 12, a flange B, 13, a laser displacement sensor B, 14, a flange E, 15, a positioning plate, 16, a lower travel switch, 17, a motor A, 18, a flange D, 19, an angle sensor, 20, a gear A, 21, a connecting plate, 22, a pressure sensor, 23, a flange C, 24, a laser displacement sensor C, 25, a boss, 26, a guide rail and 27 are arranged on a base.
Detailed Description
Example 1
A device for measuring the surface deformation of a test piece comprises a connecting device 2, a chassis device 4, a lifting device 5 and a rotating device 6; a boss 25 and an annular guide rail 26 are arranged on a base 27 of the chassis device 4, and the guide rail 26 surrounds the boss 25; a motor A17 of the rotating device 6 is arranged on the guide rail 26, an angle sensor 19 is arranged on one side of a motor A17 through a flange D18, an upright post 8 of the lifting device 5 is arranged on a motor A17, a motor B11 is arranged on the upright post 8, and a laser displacement sensor A10 is arranged on one side of a motor B11 through a flange A9; the connecting device 2 is located above the chassis device 4, the test piece 3 is placed on the boss 25, the connecting device 2 is placed on the test piece 3, the top of the connecting device is connected with the force application device 1, the preferred force application device 1 adopts a universal testing machine, the laser displacement sensor C24 is installed on the side face of the connecting plate 21 of the connecting device 2 through a flange C23, and the pressure sensor 22 is installed on the top face of the connecting plate 21.
The top surface of the guide rail 26 is arranged to be rack-shaped and is matched and connected with a gear A20 of a motor A17, the motor A17 is connected with the upright post 8 through a flange E14, and the side surface of the upright post 8 is arranged to be rack-shaped and is matched and connected with a gear B of a motor B11.
The bottom of the upright post 8 is provided with a lower travel switch 16, the top of the lower travel switch 16 is provided with a positioning plate 15, the top of the upright post 8 is provided with an upper travel switch 7, the motor B11 is further provided with a laser displacement sensor B13 through a flange B12, the laser displacement sensor B13 and the positioning plate 15 are positioned on the same side, the upper travel switch 7 is the highest point of the operation of the motor B11, and the lower travel switch 16 is the lowest point of the operation of the motor B11.
The motor B11 is connected with a power supply through a lifting switch, and the motor A17 is connected with the power supply through a rotating switch.
When the motor B11 contacts with the lower travel switch 16, the laser displacement sensor A10 and the top surface of the boss 25 are positioned on the same horizontal plane; when the motor B11 contacts the upper travel switch 7, the laser displacement sensor a10 is located at the same level as the bottom surface of the connection plate 21.
Example 2
The embodiment provides an installation method of a device for measuring surface deformation of a test piece, which specifically comprises the following steps:
s1: the preparation of test piece 3 comprises the following steps:
s1.1: selecting a test piece 3, wherein the raw material of the test piece 3 can be various materials such as steel, resin, rubber and the like, and can be solid or hollow;
s1.2: the upper surface and the lower surface of the test piece 3 are processed, so that the upper surface and the lower surface of the test piece 3 are smooth and parallel, and the load is favorably applied to the test piece 3;
s2: equipment assembly, comprising the following specific steps:
s2.1: assembling the lifting device 5:
fixing a laser displacement sensor A10 with a motor B11 through a flange A9, fixing a laser displacement sensor B13 with a motor B11 through a flange B12, connecting a power supply with a motor B11 through a power line and a lifting switch, fixing a flange E14 with an upright post 8, installing an upper travel switch 7 and a lower travel switch 16 on the upright post 8, installing a positioning plate 15 at the top of the lower travel switch 16, wherein the positioning plate 15 is used for providing an alignment base point of the laser displacement sensor B13, performing zero point centering, electrifying a motor B11, enabling the motor B11 to be lifted and debugged along the upright post 8 through the lifting switch, and inspecting the uniform speed stability of the lifting device 5;
s2.2: assembling the rotating device 6:
fixing the lifting device 5 obtained in the step S2.1 with a motor a17 through a flange E14, connecting a gear a20 of the motor a17 with a rack-shaped structure on the top surface of the guide rail 26, enabling the motor a17 to move on the guide rail 26 through the rotation of the gear a20, fixing an angle sensor 19 with the motor a17 through a flange D18, connecting the motor a17 with a power supply through a rotary switch, and adjusting the position of a lower travel switch 16 to enable the motor B11 to be in contact with the lower travel switch 16, wherein the laser displacement sensor a10 and the top surface of the boss 25 are located on the same horizontal plane;
s2.3: assembling and connecting device 2:
fixing the pressure sensor 22 on the top surface of the connecting plate 21, fixing the laser displacement sensor C24 on the side surface of the connecting plate 21 through a flange C23, enabling the laser displacement sensor C24 to be horizontal to the bottom surface of the connecting plate 21, enabling a centering reference surface of the laser displacement sensor C24 to be the top surface of the boss 25, and measuring the height change of the test piece 3;
s2.4: placing a test piece 3:
the test piece 3 is placed on the boss 25, the connecting plate 21 is placed on the test piece 3, and when the position of the upper travel switch 7 is adjusted to enable the motor B11 to be in contact with the upper travel switch 7, the laser displacement sensor A10 and the bottom surface of the connecting plate 21 are located on the same horizontal plane. Starting the force application device 1 to be closely attached to the connecting device 2, and performing prepressing debugging on the test piece;
the pressure sensor 22 acquires a load value received by the test piece 3, the angle sensor 19 acquires a horizontal position of the laser displacement sensor A10, the laser displacement sensor B13 acquires a height position of the laser displacement sensor A10, the laser displacement sensor C24 acquires a height of the test piece 3, and the laser displacement sensor A10 acquires a deformation amount of the alignment point.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (5)
1. A device for measuring the surface deformation of a test piece is characterized by comprising a connecting device (2), a chassis device (4), a lifting device (5) and a rotating device (6); a boss (25) and an annular guide rail (26) are arranged on a base (27) of the chassis device (4), and the guide rail (26) surrounds the boss (25); a motor A (17) of the rotating device (6) is arranged on a guide rail (26), an angle sensor (19) is arranged on one side of the motor A (17), an upright post (8) of the lifting device (5) is arranged on the motor A (17), a motor B (11) is arranged on the upright post (8), and a laser displacement sensor A (10) is arranged on one side of the motor B (11); the connecting device (2) is positioned above the chassis device (4), a laser displacement sensor C (24) is arranged on the side surface of a connecting plate (21) of the connecting device (2), and a pressure sensor (22) is arranged on the top surface of the connecting plate (21).
2. A device for measuring surface deformation of a test piece according to claim 1, characterized in that the top surface of the guide rail (26) is arranged rack-like and is in a matching connection with a gear a (20) of a motor a (17), the motor a (17) is connected with the column (8) through a flange E (14), and the side surface of the column (8) is arranged rack-like and is in a matching connection with a gear B of a motor B (11).
3. The device for measuring the surface deformation of the test piece according to claim 1, wherein the bottom of the upright post (8) is provided with a lower travel switch (16), the top of the lower travel switch (16) is provided with a positioning plate (15), the top of the upright post (8) is provided with an upper travel switch (7), the motor B (11) is further provided with a laser displacement sensor B (13), and the laser displacement sensor B (13) and the positioning plate (15) are positioned on the same side.
4. A device for measuring surface deformation of a test piece according to claim 1, characterized in that the motor B (11) is connected to the power supply via a lifting switch and the motor a (17) is connected to the power supply via a rotating switch.
5. A device for measuring surface deformation of a test piece according to claim 3, characterized in that when the motor B (11) is in contact with the down stroke switch (16), the laser displacement sensor a (10) and the top surface of the boss (25) are located at the same horizontal plane; when the motor B (11) is contacted with the upper travel switch (7), the laser displacement sensor A (10) and the bottom surface of the connecting plate (21) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692598.3U CN210071487U (en) | 2019-05-15 | 2019-05-15 | Device for measuring surface deformation of test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692598.3U CN210071487U (en) | 2019-05-15 | 2019-05-15 | Device for measuring surface deformation of test piece |
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| Publication Number | Publication Date |
|---|---|
| CN210071487U true CN210071487U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920692598.3U Active CN210071487U (en) | 2019-05-15 | 2019-05-15 | Device for measuring surface deformation of test piece |
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| CN (1) | CN210071487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118536A (en) * | 2019-05-15 | 2019-08-13 | 大连民族大学 | A kind of measurement surface of test piece any position deformed finger target device |
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2019
- 2019-05-15 CN CN201920692598.3U patent/CN210071487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118536A (en) * | 2019-05-15 | 2019-08-13 | 大连民族大学 | A kind of measurement surface of test piece any position deformed finger target device |
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