Testing device for measuring bending strength of large-size material
By designing a test device including slide table, slider, adjustment block, support roller, loading roller and calibration block, the problem that existing tooling cannot detect the bending strength of large-size splines is solved, and effective detection of large-size non-metallic materials and provision of performance data is achieved.
Patent Information
- Application Number
- CN202420965524.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing test tooling cannot meet the requirements for bending strength and elastic modulus detection of non-metallic materials (length ≤ 400mm, width ≤ 100mm, thickness ≤ 16mm).
A test device including a slide table, a slider, an adjustment block, a support roller, a loading roller and a calibration block is designed. Through the reciprocating motion of the slider in the slide and the matching of the loading roller and the support roller of different sizes, the bending strength detection of large-size splines is achieved.
The device can effectively detect the bending strength and elastic modulus of large-sized non-metallic materials, verify the bending performance of the material through different working conditions, and provide more comprehensive material performance data.
Smart Images
Figure CN222579847U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of testing tooling, in particular to a testing device for measuring the bending strength of large-size materials. Background Art
[0002] At present, there are few test fixtures for large-size spline bending strength testing in China. Previous fixtures can only meet the measurement needs of non-metallic material splines with sizes between length ≤80mm, width ≤10mm, and thickness ≤4mm. Existing test fixtures cannot meet the bending strength requirements of splines exceeding this size. Utility Model Content
[0003] In view of the above problems, the utility model provides a test device for measuring the bending strength of large-size materials, including a slide table, a slider, an adjustment block, a support roller, a loading roller and a calibration block. A slideway is provided in the middle of the slide table, a slider is provided on the adjustment block, and the slider can reciprocate in the slideway. The adjustment block is fixedly connected to one end of the support roller, and a 3 / 4 cylinder is provided at the other end of the support roller. The calibration block includes a first calibration block, a second calibration block and a third calibration block. The first calibration block is fixedly connected to the third calibration block, and the third calibration block is fixedly connected to the second calibration block. The lower surfaces of the first calibration block and the second calibration block are The first calibration block, the second calibration block and the third calibration block are in the same plane as the upper surface of the third calibration block, and form a accommodating space with openings on three sides. A semi-cylinder is provided at the end of the loading roller, and the semi-cylinder can be placed in the accommodating space. The tooling of the utility model is innovatively designed based on standard requirements, and can realize the detection of bending strength and elastic modulus of non-metallic materials with spline sizes between length ≤400mm, width ≤100mm, and thickness ≤16mm, and by matching loading rollers and support rollers of different sizes, the bending performance of test materials under different working conditions can be verified, so as to provide better material performance data.
[0004] The technical scheme of the utility model is as follows: a test device for measuring the bending strength of large-size materials, comprising a slide table, a slider, an adjustment block, a support roller, a loading roller and a calibration block.
[0005] A slideway is provided in the middle of the slide, a slider is provided on the adjustment block, the slider can reciprocate in the slideway, the adjustment block is fixedly connected to one end of the support roller, and a 3 / 4 cylinder is provided at the other end of the support roller;
[0006] The calibration block comprises a first calibration block, a second calibration block and a third calibration block, the first calibration block is fixedly connected to the third calibration block, the third calibration block is fixedly connected to the second calibration block, the lower surface of the first calibration block and the second calibration block and the upper surface of the third calibration block are in the same plane, and the first calibration block, the second calibration block and the third calibration block enclose a receiving space with openings on three sides;
[0007] A semi-cylinder is provided at the end of the loading roller, and the semi-cylinder can be placed in the accommodating space.
[0008] Furthermore, it also includes a flange and a center positioning block. The bottom of the slide is provided with a flange, the center positioning block passes through the flange and the slide, and a pin hole is provided on the center positioning block.
[0009] Furthermore, the radius of the 3 / 4 cylinder is 5mm-15mm; the width of the support roller is 100mm.
[0010] Furthermore, the radius of the semi-cylinder is 5-15 mm.
[0011] Furthermore, the surface of the slide table is provided with scales.
[0012] Furthermore, scales are provided on the surfaces of the first calibration block, the second calibration block and the third calibration block.
[0013] Furthermore, the slide is 384 mm long, 100 mm wide and 25 mm thick.
[0014] Furthermore, the slide is a hollow structure.
[0015] The beneficial effects of the utility model are:
[0016] The tooling of the utility model is innovatively designed based on standard requirements, and can realize the detection of bending strength and elastic modulus of non-metallic materials with spline sizes between length ≤400mm, width ≤100mm, and thickness ≤16mm. By matching loading rollers and support rollers of different sizes, the bending performance of test materials under different working conditions can be verified, thereby providing better material performance data. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0018] Figure 2 It is a schematic diagram of the loading roller of the utility model.
[0019] Figure 3 This is a schematic diagram of the calibration block of the utility model.
[0020] In the figure:
[0021] Flange 1, center positioning block 2, slide 3, slider 4, adjustment block 5, multiple support rollers 6, loading roller 7, calibration block 8, 6013 / 4 cylinder, 701 semi-cylinder, 801 first calibration block, 802 second calibration block, 803 third calibration block, 804 accommodating space. DETAILED DESCRIPTION
[0022] It should be noted that in the description of the present invention, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction.
[0023] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connection", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral connection; the connection can be a mechanical connection or an electrical connection; the connection can be a direct connection or an indirect connection through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] A test device for measuring the bending strength of large-size materials comprises a flange 1, a center positioning block 2, a slide table 3, a slider 4, an adjustment block 5, a plurality of support rollers 6, a loading roller 7 and a calibration block 8.
[0025] A flange 1 is fixed at the bottom of the slide 3, and a center positioning block 2 passes through the flange 3 and the slide 3 for positioning. A pin hole is provided on the center positioning block 2, and the pin hole is used to fix the entire device on the test bench.
[0026] A slideway is provided in the middle of the slide table 3, a slider 4 is provided on the adjustment block 5, the slider 4 can reciprocate in the slideway 4, and the adjustment block 5 is connected to the support roller by clamping or bolting.
[0027] A 3 / 4 cylinder 601 is provided at one end of the support roller 6, and the radius of the 3 / 4 cylinder 601 is 5mm-15mm; the width of the support roller is 100mm.
[0028] The slide table 3 is provided with a scale.
[0029] The calibration block 8 includes a first calibration block 801 , a second calibration block 802 and a third calibration block 803 .
[0030] The first calibration block 801 is fixedly connected to the third calibration block 803 , the third calibration block 803 is fixedly connected to the second calibration block 802 , and the lower surfaces of the first calibration block 801 and the second calibration block 802 and the upper surface of the third calibration block 803 are in the same plane.
[0031] The first calibration block 801 , the second calibration block 802 and the third calibration block 803 form a receiving space 804 with openings on three sides.
[0032] The first calibration block 801, the second calibration block 802 and the third calibration block 803 are all provided with scales.
[0033] A semi-cylinder 701 is provided at the end of the loading roller 7, and the radius of the semi-cylinder 701 is 5-15 mm.
[0034] The slide is 384mm long, 100mm wide and 25mm thick.
[0035] The semi-cylinder 701 can be placed in the accommodating space 804 .
[0036] The slide 3 adopts a hollow structure, which reduces the cost while meeting the strength requirements, and at the same time reduces the weight of the device, and has the characteristics of easy transportation and installation.
[0037] The process of using the tooling is as follows: first, fix the connecting flange 1 on the testing machine, and select appropriate support rollers 6, loading rollers 7 and calibration blocks 8 for installation according to the test requirements;
[0038] Place the calibration block 8 on the supporting roller 6, and place the semi-cylinder 701 of the loading roller 7 into the accommodating space 804. At this time, the lower end point of the semi-cylinder 701 and the upper end point of the 3 / 4 cylinder 601 on the supporting roller 6 are located in the same plane. After the calibration is completed, remove the calibration block 8 and place the test specimen at the test position to carry out the test.
[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any modification, equivalent replacement and improvement made by any technician familiar with the technical field within the technical scope disclosed by the utility model and within the spirit and principle of the utility model shall be covered by the protection scope of the utility model. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
Claims
1. A test device for measuring the bending strength of large-size materials, characterized in that: include: A slide, a slider, an adjustment block, a support roller, a loading roller and a calibration block. A slideway is provided in the middle of the slideway. A slider is provided on the adjustment block. The slider can reciprocate in the slideway. The adjustment block is fixedly connected to one end of the support roller. A 3 / 4 cylinder is provided at the other end of the support roller. The calibration block includes a first calibration block, a second calibration block and a third calibration block. The first calibration block is fixedly connected to the third calibration block, and the third calibration block is fixedly connected to the second calibration block. The lower surfaces of the first calibration block and the second calibration block are in the same plane as the upper surface of the third calibration block. The first calibration block, the second calibration block and the third calibration block form a accommodating space with openings on three sides. A semi-cylinder is provided at the end of the loading roller, and the semi-cylinder can be placed in the accommodating space.
2. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: It also includes a flange and a center positioning block. The bottom of the slide is provided with a flange, the center positioning block runs through the flange and the slide, and a pin hole is provided on the center positioning block.
3. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: The radius of the 3 / 4 cylinder is 5mm-15mm; the width of the support roller is 100mm.
4. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: The radius of the semi-cylinder is 5-15mm.
5. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: The slide surface is provided with scale.
6. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: Scales are arranged on the surfaces of the first calibration block, the second calibration block and the third calibration block.
7. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: The slide is 384mm long, 100mm wide and 25mm thick.
8. A test device for measuring the bending strength of large-size materials according to claim 1, characterized in that: The slide is a hollow structure.