Metal material tensile bending test device

Abstract

The utility model relates to the technical field of metal detection, in particular to a metal material tensile bending test device which comprises a supporting table, a supporting column, a supporting plate, a working table, a performance test assembly and a protection assembly, the supporting table and the supporting plate are stacked up and down and arranged in parallel, the working table is connected to the supporting table, and the performance test assembly is connected to the working table. The performance testing assembly comprises a bending assembly and a stretching assembly, the stretching assembly is connected to the workbench, the bending assembly is arranged above the stretching assembly, and the protection assembly is connected to the supporting table. According to the metal material performance testing device, when the bending assembly is used, the bending assembly moves downwards to trigger the protection assembly, the protection assembly and the bending assembly move synchronously and oppositely, the protection assembly moves to the position flush with the workbench to be matched with the supporting plate to form a closed space, and a metal material is tested by the performance testing assembly in the space; and metal chips generated by testing are prevented from splashing to injure surrounding mechanical equipment and workers.

Description

Technical Field

[0001] The utility model relates to the technical field of metal detection, in particular to a metal material stretching and bending test device. Background Art

[0002] Metal materials are widely used in infrastructure construction and industry. It is of great significance to test the mechanical properties of metal materials. For example, metal materials are widely used in the production of anchor rods. As the main component of the support structure of slope and tunnel engineering, the performance of anchor rods is directly related to the safety and service life of the overall project. In order to ensure the physical properties of metal materials during use, it is necessary to simulate actual working conditions to conduct tensile and bending tests on metal materials for mechanical property testing.

[0003] After searching, Chinese patent announcement number CN216410912U discloses a bending test system for metal materials under different axial force loading conditions, including a frame, a tensile loading device and a bending loading device assembled on the frame. The tensile loading device includes a clamping tool, a tensile loading cylinder and a tensile static force sensor. The bending loading device includes a bending pressure head, a bending static force sensor and a bending loading cylinder. The utility model includes a tensile loading device and a bending loading device, which can carry out experiments under the dual forces of axial tension and radial bending load according to the stress state of the metal material in actual application, and obtain the destruction results of the metal material sample under the dual forces of axial tension and radial bending load.

[0004] However, in the above technical solution, the bending and stretching effects of the metal material are achieved only by the bending pressure head and the stretching loading cylinder. However, no protective parts are provided on the outside of the metal material during the experiment. When the metal material is broken by bending and stretching, the metal at the broken part is easy to splash and cause harm to the surrounding personnel and equipment. Utility Model Content

[0005] The utility model aims to provide a metal material tensile bending test device in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is as follows: a metal material stretching and bending test device comprises a support platform, on which a plurality of evenly distributed support columns are connected; a support plate, which is arranged in parallel with the support platform and connected to the support columns; a workbench, which is connected to the support platform; a performance testing component, which is connected to the workbench, the performance testing component comprises a bending component and a stretching component, the stretching component is connected to the workbench, and when in use, the stretching component clamps and fixes the metal material handle and moves horizontally to stretch it; the bending component is arranged above the stretching component; when in use, the bending component moves vertically to bend the metal material in a stretched state; and a protective component is connected to the workbench, and when in use, the protective component moves vertically to form a rectangular accommodating cavity with the support plate and the workbench to protect the performance testing component.

[0007] Preferably, the bending assembly includes a first telescopic device, which is connected to the support plate, and the telescopic end of the first telescopic device passes through the support plate; a bending static force sensor, which is connected to the telescopic end of the first telescopic device; a bending head, which is connected to the bending static force sensor; and a travel switch, which is connected to the support plate, and the output end of the travel switch is slidably connected to the bending static force sensor.

[0008] Preferably, the stretching assembly includes a fixed seat, which is slidably connected to the workbench; a stretching static force sensor, which is connected to one end of the fixed seat; a first clamp, which is connected to the stretching static force sensor; a second telescopic device, which is connected to the other end of the fixed seat; a second clamp, which is symmetrically arranged with the first clamp, and the second clamp is connected to the telescopic end of the second telescopic device; and an adjusting assembly, which is connected to the fixed seat, and the adjusting assembly drives the fixed seat to move horizontally when in use.

[0009] Preferably, the adjustment assembly includes a screw rod, which is rotatably connected to an adjustment slot opened on the workbench, and one end of the screw rod passes through the adjustment slot to connect to the adjustment handle; a movable seat, which is threadedly connected to the screw rod, and the movable seat is connected to the fixed seat; and two guide rods are arranged side by side, and both ends of the guide rods are connected to the adjustment slots, and the guide rods are slidably connected to the movable seat.

[0010] Preferably, the protective component includes a third telescopic device, a plurality of which are evenly distributed at equal intervals, and the third telescopic device is connected to the support platform; a movable frame, which is connected to the telescopic end of the third telescopic device; and a plurality of baffles, which are evenly distributed at equal intervals, and the baffles are detachably connected to the movable frame.

[0011] Preferably, an observation window is provided on any baffle.

[0012] Preferably, the inner walls of the baffles are connected with a shock absorbing layer.

[0013] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0014] In the utility model, the stretching component can clamp and fix the metal material when in use, and at the same time, the stretching component can move in the horizontal direction to stretch the metal material to measure its tensile performance. The bending component moves downward when in use to contact the metal material to perform a three-point bending test. When the bending component is in use, its downward movement triggers the protective component, and the protective component and the bending component move toward each other synchronously. The protective component moves to a position flush with the workbench and cooperates with the support plate to form a closed space. The metal material is tested by the performance test component in this space to prevent metal debris generated by the test from splashing and causing damage to surrounding mechanical equipment and personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 for Figure 1 A cross-sectional schematic diagram of

[0017] Figure 3 Schematic cross-sectional view of a mobile seat;

[0018] Figure 4 for Figure 3 A magnified view of the structure at A;

[0019] Figure 5 Schematic diagram of the baffle structure.

[0020] Figure numerals: 1. support platform; 2. support column; 3. support plate; 4. workbench; 5. first telescopic device; 6. bending static force sensor; 7. bending head; 8. travel switch; 9. fixed seat; 10. tensile static force sensor; 11. first clamp; 12. second telescopic device; 13. second clamp; 14. screw rod; 15. adjustment handle; 16. moving seat; 17. guide rod; 18. third telescopic device; 19. moving frame; 20. baffle; 21. observation window; 22. shock-absorbing layer. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 1-Figure 5As shown, the utility model proposes a metal material tensile bending test device, including a support platform 1, a support column 2, a support plate 3, a workbench 4, a performance test component and a protective component. The support platform 1 and the support plate 3 are stacked and arranged in parallel, and a plurality of equidistant support columns 2 are connected between the support platform 1 and the support plate 3. The workbench 4 is connected to the support platform 1; a plurality of equidistant support legs are connected to the lower end surface of the support platform 1; the performance test component is connected to the workbench 4, and the performance test component includes a bending component and a stretching component, and the stretching component is connected to the workbench 4; the stretching component can clamp and fix the metal material when in use, and at the same time stretch it. The stretching component can move horizontally to stretch the metal material to measure its tensile properties; the bending component is set above the stretching component, and the bending component is in the middle position of the stretching component; when in use, the bending component moves downward to contact the metal material for a three-point bending test; the protective component is connected to the support table 1; when the bending component is in use, its downward movement triggers the protective component, and the protective component and the bending component move toward each other synchronously, and the protective component moves to a position flush with the workbench to cooperate with the support plate 3 to form a closed space, and the metal material is tested by the performance test component in this space to prevent metal debris generated by the test from splashing and causing damage to surrounding mechanical equipment and personnel.

[0023] Embodiment 2

[0024] like Figure 2-Figure 4 As shown, the utility model proposes a metal material tensile bending test device. Compared with the first embodiment, the detailed structure of the bending assembly is recorded in this embodiment. The bending assembly includes a first telescopic device 5, a bending static force sensor 6, a bending head 7 and a travel switch 8. The first telescopic device 5 and the travel switch 8 are respectively connected to the upper and lower end surfaces of the support plate 3; the first telescopic device 5 uses a hydraulic cylinder; the telescopic end of the first telescopic device 5 is connected to the bending static force sensor 6, the lower end surface of the bending static force sensor 6 is used to connect the bending head 7, and the upper end surface of the bending static force sensor 6 is in contact with the trigger end of the travel switch 8.

[0025] The stretching assembly includes a fixed seat 9, a stretching static force sensor 10, a first clamp 11, a second telescopic device 12, a second clamp 13 and an adjustment assembly. The fixed seat 9 is arranged above the workbench 4; the fixed seat 9 is U-shaped; the adjustment assembly is used to be arranged between the fixed seat 9 and the support platform 4; the adjustment assembly is connected to the fixed seat 9, and the adjustment assembly can drive the fixed seat 9 to move horizontally when in use, so that the middle position of the metal material on the fixed seat 9 contacts the bending head 7 for a three-point bending test, thereby adapting to metal materials of different lengths; the stretching static force sensor 10 is connected to one side wall of the fixed seat 9, the first clamp 11 is connected to the stretching static force sensor 10, the second telescopic device 12 is connected to the other side wall of the fixed seat 9, the output end of the second telescopic device 12 passes through the through hole on the fixed seat 9 to connect the second clamp 13, and the first clamp 11 and the second clamp 13 are used to fix the metal material.

[0026] The adjustment assembly includes a screw rod 14, an adjustment handle 15, a movable seat 16 and a guide rod 17. The upper end surface of the workbench 4 is used to open an adjustment groove. The screw rod 14 and the guide rod 17 are arranged side by side in the adjustment groove. The guide rod 17 is symmetrically arranged on both sides of the screw rod 14 and connected to the adjustment groove. One end of the screw rod 14 is connected to the bearing on the inner wall of the adjustment groove, and the other end of the screw rod 14 passes through a through hole on the workbench 4 and is connected to the adjustment handle 15; the adjustment handle 15 is engaged with the groove opened on the screw rod 14 through a block connected at one end, so as to facilitate disassembly to avoid affecting the normal lifting and lowering of the protective assembly.

[0027] Embodiment 3

[0028] like Figure 2 , Figure 5 As shown, a metal material tensile bending test device proposed by the utility model, compared with the second embodiment, the detailed structure of the protection component is recorded in this embodiment, the protection component includes a third telescopic device 18, a moving frame 19 and a baffle 20, the symmetrically arranged third telescopic device 18 is connected to the lower end surface of the support platform 1, and the output end of the third telescopic device 18 passes through the through hole on the support platform 1 and is connected to the U-shaped moving frame 19; the third telescopic device 18 is selected from but not limited to an electric telescopic rod; the moving frame 19 is used to connect the baffle 20;

[0029] In an optional embodiment, an observation window 21 is provided on any baffle 20; thickened glass is used in the observation window 21 to resist the impact of metal fragments and facilitate the staff to observe the condition of the metal material with naked eyes.

[0030] In an optional embodiment, the inner wall of the baffle 20 is connected to a shock-absorbing layer 22; the shock-absorbing layer 22 is selected from but not limited to sponge and rubber layers. The shock-absorbing layer 22 can reduce the sound generated by the collision of metal fragments with the baffle 20 to avoid scaring the surrounding staff.

[0031] In summary, when the utility model is used, the staff clamps and fixes the metal material through the first clamp 11 and the second clamp 13, and rotates the adjustment handle 15 according to the different lengths of the metal material. The rotation of the adjustment handle 15 drives the screw rod 14 to rotate, and the moving seat 16 on the screw rod 14 moves along the central axis of the screw rod 14, thereby driving the fixed seat 9 to move. The bending head 7 is adjusted to be in the middle position of the metal material, and the first telescopic device 5 and the second telescopic device 12 are started to bend and stretch. The first telescopic device 5 drives the bending static force sensor 6 and the bending head 7 to move downward, and the bending static force sensor 6 is used to measure the bending data. At the same time, the telescopic end of the second telescopic device 12 stretches the metal material, and the stretching data is measured by the stretching static force sensor 10. When the telescopic end of the first telescopic device 5 is extended and retracted, the travel switch 8 will be triggered. The travel switch 8 controls the telescopic end of the third telescopic device 18 to rise, and the moving frame 19 and the baffle 20 move up to form a closed space with the support plate 3 and the workbench 4. The metal fragments splashed by the broken metal are blocked by the baffle 20 to avoid causing harm to the staff.

[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A metal material tensile bending test device, characterized in that: include A support platform (1) to which a plurality of evenly distributed support columns (2) are connected; A support plate (3) is arranged parallel to the support platform (1), and the support plate (3) is connected to the support column (2); A workbench (4) connected to the support platform (1); A performance testing assembly is connected to a workbench (4), and comprises a bending assembly and a stretching assembly. The stretching assembly is connected to the workbench (4), and when in use, the stretching assembly clamps and fixes a metal material and moves the handle in a horizontal direction to stretch it; the bending assembly is arranged above the stretching assembly; when in use, the bending assembly moves in a vertical direction to bend the metal material in a stretched state; A protection component is connected to a workbench (4); when in use, the protection component moves vertically to form a rectangular accommodating cavity with the support plate (3) and the workbench (4) to protect the performance test component.

2. A metal material tensile bending test device according to claim 1, characterized in that: Bending components include A first telescopic device (5) connected to the support plate (3), wherein the telescopic end of the first telescopic device (5) passes through the support plate (3); A bending static force sensor (6) connected to the telescopic end of the first telescopic device (5); A bending head (7) connected to the bending static force sensor (6); A travel switch (8) is connected to the support plate (3), and an output end of the travel switch (8) is slidably connected to the bending static force sensor (6).

3. A metal material tensile bending test device according to claim 1, characterized in that: The stretching components include A fixed seat (9) is slidably connected to the workbench (4); A tensile static force sensor (10) connected to one end of the fixing seat (9); A first fixture (11) connected to the tensile static force sensor (10); A second telescopic device (12) connected to the other end of the fixing seat (9); A second clamp (13) is symmetrically arranged with the first clamp (11), and the second clamp (13) is connected to the telescopic end of the second telescopic device (12); The adjusting component is connected to the fixing seat (9), and when in use, the adjusting component drives the fixing seat (9) to move in the horizontal direction.

4. A metal material tensile bending test device according to claim 3, characterized in that: Adjustment components include A screw rod (14) is rotatably connected to an adjustment slot provided on the workbench (4), and one end of the screw rod (14) passes through the adjustment slot and is connected to an adjustment handle (15); A movable seat (16) is threadedly connected to the screw rod (14), and the movable seat (16) is connected to the fixed seat (9); Two guide rods (17) are arranged side by side, both ends of the guide rods (17) are connected with the adjustment grooves, and the guide rods (17) are slidably connected with the moving seat (16).

5. A metal material tensile bending test device according to claim 1, characterized in that: Protection components include A third telescopic device (18), a plurality of which are evenly spaced and connected to the support platform (1); A moving frame (19) connected to the telescopic end of the third telescopic device (18); A plurality of baffles (20) are evenly distributed at equal intervals, and the baffles (20) are detachably connected to the moving frame (19).

6. A metal material tensile bending test device according to claim 5, characterized in that: An observation window (21) is provided on any baffle (20).

7. A metal material tensile bending test device according to claim 5, characterized in that: The inner walls of the baffles (20) are connected to a shock absorbing layer (22).

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