Repeated multifunctional bending testing machine

Abstract

The utility model discloses a repeated type multifunctional bending testing machine, and particularly relates to the technical field of bending testing machines, the repeated type multifunctional bending testing machine comprises a base used for supporting, the top of the base is provided with a repeated testing assembly, and the repeated testing assembly comprises a supporting frame arranged at the top of the base and used for supporting; a limiting plate used for limiting is arranged at the top of the supporting frame. According to the utility model, the repeated test assembly is arranged, and the workpiece is firstly supported by the reinforcing and supporting inclined corbel and the cross rod, so that the displacement phenomenon of the workpiece in the subsequent test is avoided, the output end of the hydraulic rod is repeatedly recovered and prolonged, and the repeated bending test of the workpiece is realized; the output end of the hydraulic rod is started through the hydraulic rod to drive the reinforcing test abutting block to move upwards, when the supporting plate moves upwards, the tool is driven to move upwards, the workpiece is clamped at the bottom of the reinforcing test abutting block, limiting is conducted through the positioning groove, and the stability of the workpiece during testing is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bending testing machines, and more specifically to a repetitive multifunctional bending testing machine. Background Art

[0002] The bending test machine, also known as the bending test machine or bending test machine, is a test equipment used to evaluate the mechanical properties of materials. It can measure the bending strength, elastic modulus, yield strength and other parameters of the material through various bending tests, such as three-point bending, four-point bending, shear bending, etc. These parameters are of great significance for the selection, development and quality control of materials.

[0003] Among them, it was found through searching that the utility model patent with patent application number CN202223546785.1 discloses a rotating cantilever beam bending test device, including a T-shaped flange, a connecting pin passing through the pin hole below the T-shaped flange, and a universal bearing is provided on the connecting pin; a double bearing seat, the upper bearing seat of the double bearing seat is equipped with a universal bearing in an interference fit manner, and the outer ring of the rolling bearing is installed in the lower bearing seat of the double bearing seat; a specimen, the front end of the specimen is installed in the hole of the specimen mounting seat, and the rear end is clamped by a three-jaw chuck, and the rear part of the three-jaw chuck is installed on the mounting flange;

[0004] When this structure is in use, it is highly compatible with specimens of different sizes by adjusting the force arm; during the test, the loading angle changes caused by the bending of the specimen can be eliminated to ensure a constant force arm. However, when this structure is in use, it is difficult to achieve high-frequency repeated tests, resulting in reduced test efficiency. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a repetitive multifunctional bending testing machine, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is implemented in this way. The utility model provides the following technical solutions: a repetitive multifunctional bending test machine, comprising a base for support, a repetitive test assembly is arranged on the top of the base;

[0007] The repeated test assembly includes a support frame arranged on the top of the base for support, and a limit plate for limiting is arranged on the top of the support frame;

[0008] A lower pressing seat located in the middle of the support frame is arranged at the bottom of the limit plate, a connecting piece is arranged at the bottom of the lower pressing seat, and a strengthening test resistance block is arranged at the bottom of the connecting piece;

[0009] The bottom of the reinforced test resistance block is provided with a support plate for lifting, the top of the support plate is provided with two reinforced support oblique support arms for limiting, the reinforced test resistance block is detachably connected to the connecting piece, and the bottom of the reinforced test resistance block is provided with a positioning groove for limiting;

[0010] It can be seen that in the above technical solution, the output end of the hydraulic rod is activated by the hydraulic rod to drive the enhanced test resistance block to move upward. When the support plate moves upward, it drives the tool to move upward and makes the workpiece stuck at the bottom of the enhanced test resistance block. The positioning is limited by the positioning groove to ensure the stability of the workpiece during the test.

[0011] Optionally, in a possible implementation, a hydraulic rod for driving is provided at the bottom of the reinforced test resistance block, an output end of the hydraulic rod is provided with an axle pin seat for driving the up and down displacement of the support plate, the top of the axle pin seat is installed at the bottom of the support plate, the axle pin seat is detachably connected to the reinforced test resistance block, the vertical cross-sectional shape of the reinforced support oblique support arm and the support plate is combined into a trapezoid, and a cross bar is respectively provided on the two reinforced support oblique support arms, a guide rail is respectively provided on one side of the two support frames, and a slider slidably connected to the guide rail is provided on the side of the support plate;

[0012] It can be seen that in the above technical solution, the workpiece is first supported by strengthening the supporting oblique support arm and the cross bar to avoid displacement of the workpiece during subsequent tests. The output end of the hydraulic rod is repeatedly recovered and extended to achieve repeated bending tests on the workpiece. In addition, through the setting of the guide rail and the slider, the displacement stroke of the support plate can be guided and limited to ensure the stability of the workpiece during the test.

[0013] Technical effects and advantages of the utility model:

[0014] By setting up a repeated test component, compared with the prior art, the overall design is simple and the structure is reasonable. Through the corresponding coordinated use of various structures, the workpiece is first supported by strengthening the supporting inclined support arm and the cross bar to avoid the displacement of the workpiece in subsequent tests. The output end of the hydraulic rod is repeatedly recovered and extended to achieve repeated bending tests on the workpiece.

[0015] The output end of the hydraulic rod is activated by the hydraulic rod to drive the enhanced test resistance block to move upward. When the support plate moves upward, the tool is driven upward and the workpiece is stuck at the bottom of the enhanced test resistance block. The positioning is limited by the positioning groove to ensure the stability of the workpiece during the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0017] Figure 1 It is the front view of the overall structure of the utility model.

[0018] Figure 2 It is a side view of the overall structure of the utility model.

[0019] Figure 3 It is a front view of the repeated test assembly of the utility model.

[0020] Figure 4 This is a front view of the reinforced test resistance block, the support plate, the reinforced supporting oblique support arm and the cross bar of the utility model.

[0021] The accompanying drawings are marked as follows: 1. base; 2. support frame; 3. limit plate; 4. lower pressure seat; 5. connecting piece; 6. reinforced test resistance block; 7. positioning groove; 8. support plate; 9. reinforced support oblique support arm; 10. cross bar; 11. axle pin seat; 12. hydraulic rod; 13. guide rail; 14. slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] As attached Figure 1-4 A repetitive multifunctional bending test machine is shown, through a repetitive test assembly arranged on a base 1, the workpiece is first supported by strengthening the supporting oblique support arm 9 and the cross bar 10 to avoid displacement of the workpiece during subsequent tests, and the output end of the hydraulic rod 12 is repeatedly recovered and extended to achieve repetitive bending tests on the workpiece, and the specific structure of the assembly is arranged as follows;

[0024] The repeated test assembly includes a support frame 2 arranged on the top of the base 1 for support, and a limit plate 3 for limiting is arranged on the top of the support frame 2;

[0025] A lower pressing seat 4 located in the middle of the support frame 2 is arranged at the bottom of the limiting plate 3, a connecting member 5 is arranged at the bottom of the lower pressing seat 4, and a strengthening test resistance block 6 is arranged at the bottom of the connecting member 5;

[0026] A support plate 8 for lifting is provided at the bottom of the reinforced test resistance block 6, and two reinforced support oblique support arms 9 for limiting are provided on the top of the support plate 8. The reinforced test resistance block 6 is detachably connected to the connecting piece 5, and a positioning groove 7 for limiting is provided at the bottom of the reinforced test resistance block 6;

[0027] A hydraulic rod 12 is provided at the bottom of the reinforced test resistance block 6, and an axle pin seat 11 for driving the up and down displacement of the support plate 8 is provided at the output end of the hydraulic rod 12. The top of the axle pin seat 11 is installed at the bottom of the support plate 8, and the axle pin seat 11 is detachably connected to the reinforced test resistance block 6. The vertical cross-sectional shape of the reinforced support oblique support arm 9 and the support plate 8 is combined into a trapezoid, and cross bars 10 are respectively provided on the two reinforced support oblique support arms 9, and guide rails 13 are respectively provided on one side of the two support frames 2, and sliders 14 slidably connected to the guide rails 13 are provided on the side of the support plate 8.

[0028] According to the above structure, when in use, the device is installed at a designated position, the workpiece to be tested is placed at the bottom of the reinforced test resistance block 6, and the workpiece is first supported by the reinforced support oblique support arm 9 and the cross bar 10 to avoid displacement of the workpiece during subsequent tests;

[0029] The output end of the hydraulic rod 12 is activated by the hydraulic rod 12 to drive the enhanced test resistance block 6 to move upward. When the support plate 8 moves upward, the tool is driven to move upward and the workpiece is stuck at the bottom of the enhanced test resistance block 6. The positioning groove 7 is used to limit the position, thereby ensuring the stability of the workpiece during the test.

[0030] By repeatedly recovering and extending the output end of the hydraulic rod 12, repeated bending tests on the workpiece can be achieved, and the setting of the guide rail 13 and the slider 14 can guide and limit the displacement stroke of the support plate 8 to ensure the stability of the workpiece during the test.

[0031] Different from the prior art, the present application discloses a repetitive multifunctional bending testing machine, which first supports the workpiece by strengthening the supporting oblique support arm 9 and the cross bar 10 to avoid displacement of the workpiece during subsequent tests, and realizes repeated bending tests on the workpiece by repeatedly recovering and extending the output end of the hydraulic rod 12.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A repetitive multifunctional bending tester, comprising a base (1) for supporting, Features: A repeated test assembly is arranged on the top of the base (1); The repeated test assembly comprises a support frame (2) arranged on the top of the base (1) for support, and a limit plate (3) for limiting position is arranged on the top of the support frame (2); The bottom of the limit plate (3) is provided with a lower pressing seat (4) located in the middle of the support frame (2), the bottom of the lower pressing seat (4) is provided with a connecting piece (5), and the bottom of the connecting piece (5) is provided with a strengthening test resistance block (6); A support plate (8) for lifting is arranged at the bottom of the reinforced test resistance block (6), and two reinforced supporting oblique support arms (9) for limiting are arranged at the top of the support plate (8).

2. A repetitive multifunctional bending testing machine according to claim 1, Features: The bottom of the reinforced test resistance block (6) is provided with a driving hydraulic rod (12), and the output end of the hydraulic rod (12) is provided with a shaft pin seat (11) for driving the support plate (8) to move up and down.

3. A repetitive multifunctional bending testing machine according to claim 2, Features: The top of the shaft pin seat (11) is installed on the bottom of the support plate (8), and the shaft pin seat (11) is detachably connected to the reinforced test abutment block (6).

4. A repetitive multifunctional bending testing machine according to claim 1, Features: The vertical cross-section shapes of the reinforced support oblique supporting arms (9) and the supporting plate (8) are combined into a trapezoidal shape, and a cross bar (10) is respectively provided on the two reinforced support oblique supporting arms (9).

5. A repetitive multifunctional bending testing machine according to claim 1, Features: A guide rail (13) is provided on one side of each of the two support frames (2), and a sliding block (14) slidably connected to the guide rail (13) is provided on the side of the support plate (8).

6. A repetitive multifunctional bending testing machine according to claim 1, Features: The reinforced test abutment block (6) is detachably connected to the connection piece (5), and a positioning groove (7) for limiting is provided at the bottom of the reinforced test abutment block (6).

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