CN215492817U - Deflection applying test device - Google Patents
Deflection applying test device Download PDFInfo
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- CN215492817U CN215492817U CN202121975303.7U CN202121975303U CN215492817U CN 215492817 U CN215492817 U CN 215492817U CN 202121975303 U CN202121975303 U CN 202121975303U CN 215492817 U CN215492817 U CN 215492817U
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Abstract
The utility model discloses a deflection application test device, and belongs to the technical field of deflection experiments. A deflection application test apparatus comprising: the test box comprises a test box, a supporting component and a loading component; the side wall of the test box is provided with a groove; the loading assembly comprises: the vertical rod, the loading plate and the locking piece are in contact with the top surface of the loading plate; a test piece is arranged between the supporting component and the loading plate, two ends of the test piece are in contact with the supporting component, and the loading plate is in contact with the middle of the test piece. The supporting assembly is used for supporting two ends of a test piece, the loading plate is in contact with the middle of the top surface of the supporting plate, the vertical position of the locking piece on the screw rod is changed by moving the locking piece, so that the loading plate is extruded downwards, and the middle position of the test piece is extruded by the loading plate, so that the deflection of the test piece is changed, and the problem that a test instrument for applying the deflection is inconvenient to use in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of deflection experiments, in particular to a deflection application test device.
Background
The deflection of an object can be generated when the object is stressed or is subjected to temperature change, a plurality of detectors for measuring the deflection are available in the market at present, but in some test processes, a plurality of test pieces can be subjected to subsequent experiments after the deflection is applied in advance, but no deflection applying device aiming at the experiments is available in the market, and for the experiments, a person responsible for the deflection is basically applied by a pure manual method to generate deflection, the mode can generate instability, influence the verticality of the deflection, even bring friction force, inaccurate deflection applying data and other problems, and finally the accuracy of the experiments can be greatly influenced. Therefore, the prior art has the problem that the flexibility applying test instrument is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a deflection applying test device to solve the problem that a deflection applying test instrument in the prior art is inconvenient to use.
The technical scheme for solving the technical problems is as follows:
a deflection application test apparatus comprising: the test box is open at the top, and the support component and the loading component are respectively arranged on the test box;
the side wall of the test box is provided with a groove matched with the loading assembly;
the loading assembly comprises: the device comprises a vertical rod, a loading plate and a locking member, wherein the vertical rod is positioned in the test box, the loading plate is sleeved on the vertical rod, the locking member is connected to the vertical rod, and the locking member is in contact with the top surface of the loading plate;
a test piece is arranged between the supporting component and the loading plate, the bottom surfaces of two ends of the test piece are in contact with the top surface of the supporting component, and the top surface of the middle position of the test piece is in contact with the bottom surface of the loading plate.
The supporting assembly is used for supporting two ends of a test piece, the loading plate is in contact with the middle of the top surface of the supporting plate, the vertical position of the locking piece on the screw rod is changed by moving the locking piece, so that the loading plate is extruded downwards, and the middle position of the test piece is extruded by the loading plate, so that the deflection of the test piece is changed, and the problem that a test instrument for applying the deflection is inconvenient to use in the prior art is solved.
Further, the above-mentioned support assembly includes: two are run through the bracing piece that sets up on the test box respectively, and the bracing piece contacts with the both ends of test piece respectively, and the extending direction of bracing piece is perpendicular with the extending direction of test piece.
The support rod is arranged on the test box in a penetrating mode, so that the test box provides support force for the support rod, and the support rod is prevented from providing insufficient support force for two ends of a test piece.
Furthermore, the side wall of the test box is respectively provided with an elliptical hole in sliding fit with the support rod, the extending direction of the elliptical hole is consistent with the extending direction of the test piece, and two ends of the support rod respectively penetrate through the elliptical hole.
According to the utility model, the support rods can move along the oval holes by forming the oval holes, so that the gap between the support rods can be adjusted, and test on test pieces with different lengths can be conveniently carried out.
Furthermore, the number of the vertical rods and the number of the locking parts are two, through holes are formed in two ends of the loading plate respectively, and the vertical rods penetrate through the corresponding through holes respectively.
According to the utility model, two groups of vertical rods, locking pieces and through holes are arranged, so that two ends of the loading plate are balanced, and the loading direction of the loading plate applied to the test piece is deflected.
Furthermore, the outer wall of the test box is connected with a vernier caliper matched with the loading plate.
The height change of the loading plate can be conveniently and directly measured by arranging the vernier caliper.
Furthermore, the reading starting end of the vernier caliper is arranged at the bottom end of the side surface of the test box.
The utility model can finish reading by only moving the reading measuring end of the vernier caliper, thereby increasing the convenience of reading.
Furthermore, an elastic supporting piece is further arranged in the test box, and a pressure sensor in contact with the bottom surface of the test piece is arranged on the top surface of the elastic supporting piece.
The utility model can detect the loading pressure of the test piece by arranging the pressure sensor, and the elastic supporting piece is arranged below the pressure sensor so as to avoid bending limit of the test piece.
Further, the vertical rod is a stud, and the locking piece is a nut.
The utility model can move along the stud by screwing the nut, thereby facilitating fine adjustment.
The utility model has the following beneficial effects:
the supporting assembly is used for supporting two ends of a test piece, the loading plate is in contact with the middle of the top surface of the supporting plate, the vertical position of the locking piece on the screw rod is changed by moving the locking piece, so that the loading plate is extruded downwards, and the middle position of the test piece is extruded by the loading plate, so that the deflection of the test piece is changed, and the problem that a test instrument for applying the deflection is inconvenient to use in the prior art is solved.
Drawings
FIG. 1 is a schematic structural view of a deflection application test apparatus according to the present invention;
FIG. 2 is a schematic view of the structure of the test kit of the present invention.
In the figure: 10-a test kit; 11-a groove; 12-oval shaped holes; 15-calipers; 16-a resilient support; 17-a pressure sensor; 20-a support assembly; 21-a support bar; 30-a loading assembly; 31-a vertical rod; 32-a loading plate; 33-a locking member; 40-test piece;
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Examples
Referring to fig. 1 and 2, a deflection application test apparatus includes: a test cartridge 10, a support assembly 20 and a loading assembly 30 respectively disposed on the test cartridge 10.
The test box 10 is of a cuboid structure, the top of the test box is open, and the interior of the test box is hollow. The side wall of the test box 10 is provided with a groove 11 matched with the loading component 30, and two sides of the groove 11 are respectively provided with an elliptical hole 12 in sliding fit with the supporting component 20. The oval hole 12 is provided with a support assembly 20, and a test piece 40 is arranged between the support assembly 20 and the loading assembly 30. The bottom surfaces of both ends of the test piece 40 are respectively in contact with the support members 20, the top surface of the middle thereof is in contact with the loading member 30, and the loading member 30 can apply a load to the middle of the test piece 40 to move the middle of the test piece 40 downward, thereby generating deformation.
The support assembly 20 includes: the two support rods 21 are horizontally arranged and respectively penetrate through the elliptical hole 12, the arrangement direction of the support rods 21 is perpendicular to the extension direction of the test piece 40, the test piece 40 is parallel to the extension direction of the elliptical hole 12, and the support rods 21 are placed below the two ends of the test piece 40, so that the two ends of the test piece 40 are supported. And the support rods 21 can move along the extending direction of the oblong holes 12, so that the relative distance between the two support rods 21 can be adjusted, and the test pieces 40 with different lengths can be conveniently tested.
The loading assembly 30 includes: the vertical rod 31 is positioned in the test box 10, the loading plate 32 is sleeved on the vertical rod 31, and the locking part 33 is connected to the vertical rod 31, the bottom surface of the locking part 33 is in contact with the top surface of the loading plate 32, and the locking part 33 can move along the vertical rod 31 so as to extrude the top surface of the loading plate 32. The loading plate 32 is located above the test piece 40, and when the loading plate 32 moves, extrusion force to the test piece 40 is generated, so that the middle position of the test piece 40 is deformed, and a deflection test is performed. The quantity of montant 31 and retaining member 33 is two respectively, and the through-hole has been seted up at the both ends of loading plate 32, and montant 31 runs through corresponding through-hole, extrudees the both ends of loading plate 32 simultaneously to avoid the uneven slope that takes place of loading plate 32 atress. When the loading plate 32 moves downward, the loading plate is in sliding fit with the side wall of the groove 11 on the test box 10, so that the loading plate 32 is prevented from being contacted to generate resistance. In order to obtain materials conveniently, the screw can be selected as a vertical rod 31, the nut is selected as a locking piece 33, and the nut and the screw are connected conveniently to be screwed and finely adjusted.
The outer wall of the test box 10 is further connected with a vernier caliper 15 matched with the loading plate 32, the vernier caliper 15 is composed of a main scale with scale marks and a vernier arranged on the main scale in a sliding mode, the main scale is tightly attached to the outer wall of the test box 10, the starting end of reading on the main scale is arranged at the bottom end of the side face of the test box 10, the vernier is in contact with the bottom face of the loading plate 32 in the measuring process, and the displacement distance of the starting position is compared after reading, so that deflection data of the test piece 40 are calculated.
An elastic support piece 16 is further arranged in the test box 10, a pressure sensor 17 in contact with the bottom surface of the test piece 40 is arranged on the top surface of the elastic support piece 16, when the test piece 40 bends and presses the pressure sensor 17 and the elastic support piece 16, the pressure sensor 17 can detect the pressure applied to the test piece, and the elastic support piece 16 can deform under the pressure condition, so that the deformation of the test piece 40 is prevented from being influenced.
The operation process of the utility model is as follows: (1) the loading plate 32 is just contacted with the middle of the test piece 40, and the initial position of the loading plate 32 is measured and read through the vernier caliper 15; (2) the movable locking piece 33 drives the loading plate 32 to move downwards; (3) the loading plate 32 extrudes the middle part of the test piece 40 to deform the position; (4) the number of the readings is read by the contact of the vernier caliper 15 and the loading plate 32, and the deflection of the test piece 40 is calculated according to the height change of the loading plate 32.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A deflection application test apparatus, comprising: the test box comprises a test box (10) with an open top, a supporting component (20) and a loading component (30) which are respectively arranged on the test box (10);
the side wall of the test box (10) is provided with a groove (11) matched with the loading assembly (30);
the loading assembly (30) comprises: the test kit comprises a vertical rod (31) positioned in the test kit (10), a loading plate (32) sleeved on the vertical rod (31) and a locking member (33) connected to the vertical rod (31), wherein the locking member (33) is in contact with the top surface of the loading plate (32);
a test piece (40) is arranged between the support component (20) and the loading plate (32), the bottom surfaces of two ends of the test piece (40) are in contact with the top surface of the support component (20), and the top surface of the middle position of the test piece (40) is in contact with the bottom surface of the loading plate (32).
2. The deflection application test apparatus of claim 1, wherein the support assembly (20) comprises: the test box comprises two support rods (21) which are arranged on the test box (10) in a penetrating mode, the support rods (21) are respectively in contact with two ends of the test piece (40), and the extending direction of the support rods (21) is perpendicular to the extending direction of the test piece (40).
3. The deflection application test device according to claim 2, wherein the side wall of the test box (10) is respectively provided with an elliptical hole (12) which is in sliding fit with the support rod (21), the extending direction of the elliptical hole (12) is consistent with the extending direction of the test piece (40), and two ends of the support rod (21) respectively penetrate through the elliptical hole (12).
4. The deflection application test device according to claim 1, wherein the number of the vertical rod (31) and the number of the locking member (33) are two, through holes are respectively formed in two ends of the loading plate (32), and the vertical rod (31) penetrates through the corresponding through holes.
5. The deflection application test device of claim 4, wherein a vernier caliper (15) matched with the loading plate (32) is connected to the outer wall of the test box (10).
6. The deflection application test apparatus of claim 5, wherein the reading start end of the vernier caliper (15) is disposed at the side bottom end of the test box (10).
7. The deflection application test device according to any one of claims 1 to 6, wherein an elastic support member (16) is further provided in the test box (10), and a top surface of the elastic support member (16) is provided with a pressure sensor (17) which is in contact with a bottom surface of the test piece (40).
8. The deflection application test apparatus of claim 7, wherein the vertical rod (31) is a stud and the retaining member (33) is a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975303.7U CN215492817U (en) | 2021-08-20 | 2021-08-20 | Deflection applying test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121975303.7U CN215492817U (en) | 2021-08-20 | 2021-08-20 | Deflection applying test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492817U true CN215492817U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121975303.7U Active CN215492817U (en) | 2021-08-20 | 2021-08-20 | Deflection applying test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492817U (en) |
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2021
- 2021-08-20 CN CN202121975303.7U patent/CN215492817U/en active Active
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