Metal material tensile strength detection device

Abstract

The utility model relates to the technical field of material mechanics and testing equipment, and provides a metal material tensile strength detection device which comprises a workbench, two second sliding grooves are formed in the top of the workbench, two third sliding blocks are movably embedded in each second sliding groove, the multiple third sliding blocks are averagely divided into two groups, and the sliding blocks are arranged in the second sliding grooves. Moving blocks are fixedly connected to the tops of the two sets of third sliding blocks, two first limiting grooves are formed in the inclined face of each moving block, limiting blocks are movably embedded in the inner surfaces of the multiple first limiting grooves, the multiple limiting blocks are averagely divided into two sets, and angular blocks are fixedly connected to the outer surfaces of the two sets of limiting blocks, so that the clamping force is continuously increased in the detection process; the workpiece to be detected is prevented from sliding or falling off easily in a high-stress state, the detection progress is guaranteed, the detection efficiency is improved, meanwhile, the service life of equipment is prolonged to a certain extent, the integrity of the workpiece to be detected is protected, and the subsequent detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material mechanics and testing equipment technical field especially relates to a kind of metal material tensile strength detection device. BACKGROUND

[0002] Metal material tensile strength detection device is used to evaluate the mechanical properties of materials under tensile load, including tensile strength, yield strength and elongation and other key indicators. By applying controllable tensile force and recording stress-strain curve, the device can comprehensively analyze the behavior of materials, ensure that it meets industry standards, support quality control, product development and failure analysis, so as to ensure the safety and reliability of structure.

[0003] Nowadays, the metal material tensile strength detection device of technology is mostly using two clamps to clamp the workpiece to be tested first, and then moving the two clamps with a lot of force to make the workpiece to be tested break, but the force is too large when moving the clamp, if the clamping force cannot be increased accordingly with the increase of load, the workpiece to be tested is easy to slide or fall off under high stress state, and leave the clamp.

[0004] The workpiece to be tested is easy to slide or fall off under high stress state, which not only affects the detection progress and reduces the detection efficiency, but also damages the workpiece to be tested and the equipment, and affects the subsequent detection accuracy. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of metal material tensile strength detection device to solve the problems raised in the above background art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of metal material tensile strength detection device, comprising: workbench, the top of the workbench is provided with two sliding grooves two, two the inside of sliding groove two is movably embedded with two sliding blocks three, multiple sliding blocks three are evenly divided into two groups, the top of two groups of sliding blocks three is fixedly connected with moving block, two The inclined surface of moving block is provided with two limit grooves one, the inner surface of multiple limit grooves one is movably embedded with limit block, multiple limit blocks are evenly divided into two groups, the outer surface of two groups of limit blocks is fixedly connected with angle block, the inner surface of two The outer surface of two driven rods is movably sleeved with connecting plate, the inner surface of two connecting plates is movably embedded with driving rod, the outer surface of two driving rods is fixedly connected with sliding block two, the outer surface of two sliding blocks two is fixedly connected with hydraulic spring.

[0007] The outer surfaces of the two hydraulic springs are fixedly connected with sliding blocks one, the outer surfaces of the two sliding blocks one are provided with telescopic rods one, the outer surfaces of the two telescopic rods one are movably sleeved with telescopic rods two, one side end surface of the two telescopic rods two is provided with multi-stage synchronous telescopic hydraulic cylinders, and the outer surfaces of the two telescopic rods two close to the other side end surfaces are fixedly connected with gaskets.

[0008] As a preferred embodiment, the telescopic speeds of the two telescopic rods one are greater than the telescopic speeds of the two telescopic rods two, so that the clamping of the workpiece to be detected can be realized quickly.

[0009] As a preferred embodiment, the top portions of the two moving blocks are fixedly connected with support plates, the outer surfaces of the two support plates are provided with track holes, and the two driven rods are movably embedded in the inner surfaces of the two track holes.

[0010] As a preferred embodiment, one side edge of the two moving blocks is provided with a sliding groove one, and the two sliding blocks two, hydraulic springs and sliding blocks one are movably embedded in the inner surfaces of the two sliding grooves one.

[0011] As a preferred embodiment, the top portion of the workbench is fixedly connected with two support columns, the outer surface of one of the two support columns is fixedly connected with two hydraulic cylinders two, the outer surfaces of the two hydraulic cylinders two are provided with telescopic rods three, and the outer surface of the other support column is fixedly connected with the two multi-stage synchronous telescopic hydraulic cylinders.

[0012] As a preferred embodiment, the top recesses of the two moving blocks are provided with workpieces to be detected, and the moving blocks can place the workpieces to be detected.

[0013] As a preferred embodiment, the two multi-stage synchronous telescopic hydraulic cylinders and the two hydraulic cylinders two are hydraulic devices of the same model and are controlled by the same starting instruction, so that the two moving blocks can be started at the same time and move in opposite directions.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] The utility model discloses utilize the cooperation of multistage synchronous telescopic hydraulic cylinder and hydraulic spring, realize the unceasing increase of clamping force in the detection process, avoided the situation that the workpiece of detection under high stress state easily slip or fall, guarantee the detection progress, improved the detection efficiency, improved the service life of equipment to some extent, protected the integrity of the workpiece of detection, improved the subsequent detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of main body structure schematic diagram of metal material tensile strength detection device;

[0017] Figure 2 The utility model provides a kind of hydraulic cylinder two position structure schematic diagram of metal material tensile strength detection device;

[0018] Figure 3 The utility model provides a kind of explosion structure schematic diagram of metal material tensile strength detection device;

[0019] Figure 4 The utility model provides a kind of limit block position structure schematic diagram of metal material tensile strength detection device;

[0020] Figure 5 The utility model provides a kind of driven rod position structure schematic diagram of metal material tensile strength detection device.

[0021] Legend:

[0022] 1, workbench;2, sliding groove two;3, sliding block three;4, moving block;5, limit slot one;6, limit block;7, angle block;8, support plate;9, track hole;10, driven rod;11, connecting plate;12, drive rod;13, sliding block two;14, hydraulic spring;15, sliding block one;16, multistage synchronous telescopic hydraulic cylinder;17, telescopic rod two;18, gasket;19, telescopic rod one;20, sliding groove one;21, support column;22, hydraulic cylinder two;23, telescopic rod three;24, workpiece of detection. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of metal material tensile strength detection device, comprising: workbench 1, the top of workbench 1 is equipped with two sliding grooves two 2, two sliding grooves two 2 The inside is movably embedded with two sliding blocks three 3, multiple sliding blocks three 3 are divided into two groups, the top of two groups of sliding blocks three 3 is fixedly connected with moving block 4, the inclined plane of two moving blocks 4 is equipped with two limit grooves one 5, the inner surface of multiple limit grooves one 5 is movably embedded with limit block 6, multiple limit blocks 6 are divided into two groups, the outer surface of two groups of limit blocks 6 is fixedly connected with angle block 7, the inner surface of two angle blocks 7 is movably embedded with driven rod 10, the outer surface of two driven rods 10 is movably sheathed with connecting plate 11, the inner surface of two connecting plates 11 is movably embedded with drive rod 12, the outer surface of two drive rods 12 is fixedly connected with sliding block two 13, the outer surface of two sliding block two 13 is fixedly connected with hydraulic spring 14.

[0025] The outer surface of two hydraulic springs 14 is fixedly connected with sliding block one 15, the outer surface of two sliding block one 15 is provided with telescopic rod one 19, the outer surface of two telescopic rod one 19 is movably sheathed with telescopic rod two 17, the side end surface of two telescopic rod two 17 is provided with multistage synchronous telescopic hydraulic cylinder 16, the outer surface of two telescopic rod two 17 close to the other side end face is fixedly connected with gasket 18, realize in the detection process constantly increase clamping force, avoid the situation that the workpiece 24 to be detected under high stress state is prone to sliding or falling, guarantee the detection progress, improve the detection efficiency, improve the service life of equipment to some extent, protect the integrity of the workpiece 24 to be detected, improve subsequent detection precision.

[0026] As shown in Figures 1-5 The telescopic speed of two telescopic rod one 19 is greater than the telescopic speed of two telescopic rod two 17, can quickly realize the clamping of the workpiece 24 to be detected, improves work efficiency.

[0027] As shown in Figures 1-5 The top of two moving blocks 4 is fixedly connected with support plate 8, the outer surface of two support plates 8 is equipped with trajectory hole 9, two driven rods 10 are movably embedded in the inner surface of two trajectory holes 9, trajectory hole 9 can avoid derailment of driven rod 10, influence normal use of equipment.

[0028] As shown in Figures 1-5 The side of two moving blocks 4 is equipped with sliding groove one 20, two sliding block two 13, hydraulic spring 14 and sliding block one 15 are movably embedded in the inner surface of two sliding grooves one 20, sliding groove one 20 can avoid derailment of sliding block two 13 and sliding block one 15, influence normal use of equipment.

[0029] As shown in Figures 1-5As shown, the top of the workbench 1 is fixedly connected with two support columns 21, the outer surface of one of the support columns 21 is fixedly connected with two hydraulic cylinders two 22, the outer surfaces of the two hydraulic cylinders two 22 are both provided with telescopic rods three 23, and the outer surface of the other support column 21 is fixedly connected with two multi-stage synchronous telescopic hydraulic cylinders 16. The support column 21 can support the hydraulic cylinder two 22 and the multi-stage synchronous telescopic hydraulic cylinder 16, thereby providing a good working environment for the hydraulic cylinder two 22 and the multi-stage synchronous telescopic hydraulic cylinder 16.

[0030] As shown in the figure, Figures 1-5 As shown, the top recesses of the two moving blocks 4 are provided with workpieces to be detected 24, and the moving blocks 4 can place the workpieces to be detected 24, thereby facilitating use.

[0031] As shown in the figure, Figures 1-5 As shown in the figure, the two multi-stage synchronous telescopic hydraulic cylinders 16 and the hydraulic cylinders two 22 are hydraulic equipment of the same model and are controlled by the same starting instruction, so that they can be started at the same time and can make the two moving blocks 4 move in opposite directions uniformly, thereby improving the detection accuracy to a certain extent.

[0032] Working principle: The device is a metal material tensile strength detection device, and the gasket 18 can avoid the telescopic rod two 17 directly contacting the moving block 4, thereby prolonging the service life of the telescopic rod two 17.

[0033] In use, the workpieces to be detected 24 are placed on the top recesses of the two moving blocks 4, and then the multi-stage synchronous telescopic hydraulic cylinders 16 and the hydraulic cylinders two 22 on the two support columns 21 are started at the same time. The two multi-stage synchronous telescopic hydraulic cylinders 16 and the hydraulic cylinders two 22 simultaneously extend the telescopic rod two 17 and the telescopic rod three 23, so that the two moving blocks 4 drive the sliding block three 3 to slide in opposite directions inside the sliding groove two 2 on the workbench 1. Because the telescopic rod one 19 telescopes quickly, the telescopic rod one 19 will first transmit power to the sliding block one 15, so that the sliding block one 15 slides inside the sliding groove one 20 and applies force to the hydraulic spring 14. Because the hydraulic spring 14 has an initial force (F2) that hinders its deformation, the hydraulic spring 14 will not deform initially, and then the hydraulic spring 14 will transmit the force to the sliding block two 13, so that the sliding block two 13 also slides inside the sliding groove one 20 and drives the driving rod 12 to move horizontally. The driving rod 12 drives the driven rod 10 to vertically slide inside the track hole 9 on the support plate 8 through the connecting plate 11, and at the same time, the driven rod 10 also drives the limiting block 6 on the angle block 7 to slide inside the limiting groove one 5, so that the angle block 7 is inclined downward and clamps the workpiece to be detected 24.

[0034] When the workpiece 24 to be detected is initially clamped, the angular block 7 is no longer inclined downward, and the slider 13 is no longer moved, but the multi-stage synchronous telescopic hydraulic cylinder 16 and the hydraulic cylinder 22 continue to extend the telescopic rod 19, the telescopic rod 17 and the telescopic rod 23, and the two moving blocks 4 continue to move in opposite directions, and the telescopic rod 19 continues to drive the slider 15 to move, and the hydraulic spring 14 obtains a contraction displacement (X) due to contraction, so that the hydraulic spring 14 obtains elastic potential energy, and the slider 13 is subjected to a greater thrust, and the angular block 7 is subjected to a greater tension to continuously increase the clamping force of the workpiece 24 to be detected, and compensate for the insufficient clamping force during detection.

[0035] Then record the tension (F1) generated by the hydraulic cylinder 22 and the multi-stage synchronous telescopic hydraulic cylinder 16 when the workpiece to be detected is broken, then check the piston area (A) and the hydraulic oil volume (V) of the hydraulic spring 14, then calculate the tension F of the workpiece 24 to be detected by the formula F= (K·A²·X) ÷V+F2+F1, K=1500Mpa is the bulk modulus, so that the tension required to break the workpiece 24 to be detected can be calculated.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A metal material tensile strength detection device, comprising: The workbench (1) is characterized in that: the top of the workbench (1) is provided with two sliding grooves (2), two sliding grooves (2) are movably embedded with two sliding blocks (3), a plurality of sliding blocks (3) are evenly divided into two groups, the top of the two groups of sliding blocks (3) is fixedly connected with a moving block (4), the inclined surface of the two moving blocks (4) is provided with two limiting grooves (5), the inner surface of a plurality of limiting grooves (5) is movably embedded with a limiting block (6), a plurality of limiting blocks (6) are evenly divided into two groups, the outer surface of the two groups of limiting blocks (6) is fixedly connected with an angle block (7), the inner surface of the two angle blocks (7) is movably embedded with a driven rod (10), the outer surface of the two driven rods (10) is movably sleeved with a connecting plate (11), the inner surface of the two connecting plates (11) is movably embedded with a driving rod (12), the outer surface of the two driving rods (12) is fixedly connected with a sliding block (13), the outer surface of the two sliding blocks (13) is fixedly connected with a hydraulic spring (14); The outer surface of the two hydraulic springs (14) is fixedly connected with a sliding block (15), the outer surface of the two sliding blocks (15) is provided with a telescopic rod (19), the outer surface of the two telescopic rods (19) is movably sleeved with a telescopic rod (17), one side of the two telescopic rods (17) is provided with a multi-stage synchronous telescopic hydraulic cylinder (16), the outer surface of the two telescopic rods (17) close to the other side is fixedly connected with a gasket (18).

2. The metal material tensile strength detection device according to claim 1, characterized in that: The telescopic speed of the two telescopic rods (19) is greater than the telescopic speed of the two telescopic rods (17).

3. The metal material tensile strength detection device according to claim 1, characterized in that: The top of the two moving blocks (4) is fixedly connected with a supporting plate (8), the outer surface of the two supporting plates (8) is provided with a track hole (9), and the two driven rods (10) are movably embedded in the inner surface of the two track holes (9).

4. The device for detecting tensile strength of a metal material according to claim 1, wherein: The side of the two moving blocks (4) is provided with a sliding groove (20), and the two sliding blocks (13), hydraulic springs (14) and sliding blocks (15) are movably embedded in the inner surface of the two sliding grooves (20).

5. The device for detecting tensile strength of a metal material according to claim 1, wherein: The top of the workbench (1) is fixedly connected with two supporting columns (21), the outer surface of one of the supporting columns (21) is fixedly connected with two hydraulic cylinders (22), the outer surface of the two hydraulic cylinders (22) is provided with a telescopic rod (23), and the outer surface of the other supporting column (21) is fixedly connected with the two multi-stage synchronous telescopic hydraulic cylinders (16).

6. The device for detecting tensile strength of a metal material according to claim 1, wherein: The top recess of the two moving blocks (4) is provided with a workpiece to be detected (24).

7. The device for detecting tensile strength of a metal material according to claim 5, wherein: The two multi-stage synchronous telescopic hydraulic cylinders (16) and the hydraulic cylinders (22) are the same type of hydraulic equipment and are controlled by the same starting instruction, and can be started at the same time.

Images