Compression test righting mechanism
By designing a compression test straightening mechanism, and utilizing a combination of a large straightening plate, a guide plate, and a leaf spring, the problem of bending deformation of the specimen during the compression test was solved, thus ensuring the smooth progress and stability of the test.
Patent Information
- Application Number
- CN202520303754.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-25
AI Technical Summary
In the prior art, thin but tall specimens are prone to bending deformation during compression tests, leading to compression test failure.
A compression test straightening mechanism is adopted, including a large straightening plate, a guide plate, a guide column and a leaf spring. The elastic support of the leaf spring accommodates the deformation of the specimen and prevents the specimen from bending, and the guiding effect of the guide column prevents the specimen from tilting.
It effectively prevents the specimen from bending during compression testing, ensuring the smooth progress of the test, and is suitable for specimens that are thin but tall, avoiding compression instability.
Smart Images
Figure CN223581565U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical field especially, relates to compression test, and particularly is a kind of compression test righting mechanism. BACKGROUND
[0002] Compression test is the test for determining the mechanical properties of materials under static pressure, and is one of the basic methods of material mechanical property testing. In the prior art, when the sample is a thin plate material with thin thickness but high height, compression instability phenomenon easily occurs during compression test, and the sample first bends and deforms, resulting in failure of compression test. SUMMARY
[0003] The utility model discloses a kind of compression test righting mechanism, the compression test righting mechanism to solve the technical problem that sample first bends and deforms in prior art, leading to failure of compression test.
[0004] The utility model discloses a kind of compression test righting mechanism, including a big righting plate, the right of big righting plate is provided with a guide plate, guide plate is fixedly connected with big righting plate by fixed plate, guide plate is spaced apart and is provided with two through holes, a guide column is respectively arranged in the through hole, guide column and guide plate form the sliding pair parallel to the axial direction of through hole, the left of guide plate is provided with a leaf spring, the left end of guide column is fixedly connected with leaf spring, a threaded hole is arranged between the two through holes in guide plate, a first screw is screw-connected in the threaded hole, the left end of first screw is in contact with leaf spring, the left of leaf spring is provided with a small righting plate, the small righting plate is located in the right of big righting plate, the right side of small righting plate is fixedly provided with a cylindrical pressing block, the left side of leaf spring is in contact with cylindrical pressing block, leaf spring is left-biased small righting plate by cylindrical pressing block.
[0005] Further, the number of the fixed plate is two, and the fixed plate is respectively arranged on the front and back sides of the big righting plate, and the two ends of the fixed plate are respectively fixedly connected with the big righting plate and the guide plate by the second screw.
[0006] Further, the guide column is composed of a screw.
[0007] Compared with prior art, the utility model has the effect of being positive and obvious. The leaf spring elastically supports the sample, and the deformation of the leaf spring can accommodate the deformation of the sample during compression test. The sample will only deform due to compression, and will not bend, so that the sample with thin thickness but high height can be accommodated, compression instability phenomenon is prevented, and the compression test is ensured to be carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS
[0008] Fig. 1 It is a front view schematic diagram of the compression test righting mechanism of the utility model.
[0009] Fig. 2 It is a three-dimensional schematic view of the compression test righting mechanism. DETAILED DESCRIPTION
[0010] The utility model is further described below in combination with the embodiments, but the utility model is not limited to the embodiments, and any similar changes of the utility model should be included in the protection scope of the utility model. The use of the directions such as upper, lower, front, rear, left, right, middle, inner and outer in the utility model is only for the convenience of clear description, and not for the limitation of the technical scheme of the utility model.
[0011] As shown in Figs. 1-2 The utility model discloses a compression test righting mechanism, which comprises a big righting plate 9, a guide plate 3 is arranged at the right of the big righting plate 9, the guide plate 3 is fixedly connected with the big righting plate 9 through a fixed plate 11, two through holes are arranged at the guide plate 3 in an upper and lower interval mode, a guide column 2 is respectively arranged in the through holes, the guide column 2 and the guide plate 3 form a sliding pair parallel to the axial direction of the through hole, a plate spring 6 is arranged at the left of the guide plate 3, the left end of the guide column 2 is fixedly connected with the plate spring 6, a threaded hole is arranged between the two through holes in the guide plate 3, a first screw 4 is screw-connected in the threaded hole, the left end of the first screw 4 is in contact with the plate spring 6, a small righting plate 12 is arranged at the left of the plate spring 6, the small righting plate 12 is located at the right of the big righting plate 9, a cylindrical pressing block 7 is fixedly arranged on the right side surface of the small righting plate 12 in an upper and lower interval mode, the left side of the plate spring 6 is in contact with the cylindrical pressing block 7, and the plate spring 6 biases the small righting plate 12 to the left side through the cylindrical pressing block 7.
[0012] Further, the number of the fixed plate 11 is two, and the fixed plate 11 is arranged at the front and rear sides of the big righting plate 9 respectively, and the two ends of the fixed plate 11 are fixedly connected with the big righting plate 9 and the guide plate 3 through the second screw 5 respectively.
[0013] Further, the guide column 2 is composed of a screw.
[0014] Specifically, the specific structure and principle of the plate spring 6 and other components in the embodiment and other unexplained parts all adopt the known scheme in the prior art, and those skilled in the art are all familiar with it, and it will not be repeated here.
[0015] The working principle of the embodiment is as follows:
[0016] The compression test righting mechanism is placed on the lower pressing disc 1, the sample 8 is placed between the large righting plate 9 and the small righting plate 12, the first screw 4 is tightened, the plate spring 6 and the cylindrical pressing block 7 are pushed, the small righting plate 12 presses the sample 8 tightly on the large righting plate 9, then the upper pressing disc 10 moves downward to conduct the compression test on the sample 8, the plate spring 6 elastically supports the sample 8, the deformation of the plate spring 6 can accommodate the deformation of the sample 8 in the compression test process, the sample 8 only has the deformation caused by compression and does not have bending, so that the sample 8 with thin thickness and high height can be adapted, the compression instability phenomenon is prevented, and the smooth compression test is ensured.
[0017] Through the guiding effect of the guide column 2, the small righting plate 12 can only slide left and right and cannot be inclined, so that the sample 8 cannot be inclined in the test process.
Claims
1. A compression test centralizer mechanism, characterized by, The utility model provides a righting plate, righting plate's right side is provided with a guide plate, guide plate is fixedly connected with righting plate through fixed plate, guide plate is provided with two through holes interval upwards and downwards, respectively wear a guide column in through hole, and guide column and guide plate constitute the sliding pair parallel to the axial direction of through hole, the left side of guide plate is provided with a leaf spring, and the left end of guide column is fixedly connected with leaf spring, and the threaded hole between two through holes of guide plate is provided with a first screw, and the left end of first screw is in contact with leaf spring, and the left side of leaf spring is provided with a small righting plate, and small righting plate is located righting plate's right side, and the left side of leaf spring is in contact with the cylindrical pressure block, and the small righting plate is left side bias through the cylindrical pressure block of leaf spring.
2. A compression test righting mechanism according to claim 1, wherein, The number of the fixed plates is two, which are respectively arranged on the front and back sides of the righting plate, and the two ends of the fixed plates are respectively fixedly connected with the righting plate and the guide plate through the second screws.
3. A compression test righting mechanism according to claim 1 wherein, The guide column is composed of a screw.