Hardness detection device for steel structure production

Abstract

The utility model discloses a hardness detection device for steel structure production, which belongs to the technical field of steel structure production and comprises a workbench, a group of support rods and side plates are arranged on the workbench, a group of movable screw rods are arranged between the support rods and the side plates, a connecting plate is slidably arranged on the peripheries of the movable screw rods, and a second movable screw rod is rotatably arranged on the connecting plate. A hardness detection head is fixedly arranged at the bottom end of the telescopic rod, a groove is formed in the workbench, a bidirectional moving screw rod is rotationally arranged in the groove, a set of fixing blocks are arranged on the periphery of the bidirectional moving screw rod in a sliding mode, a plurality of fastening assemblies are arranged on the fixing blocks, and a set of elastic structures are arranged close to the side plates. And the elastic structures are fixedly connected through an elastic bandage. The hardness detection head can freely detect different parts of the steel structure, and comprehensive and accurate measurement of the steel structure is facilitated; and the effect of fastening and clamping the uneven steel structure can be achieved by adjusting the fastening assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure production, in particular to a hardness detection device for steel structure production. Background Art

[0002] Steel structure is a commonly used form of building structure, with advantages such as high strength, light weight, fast construction speed, good plasticity and toughness. Steel structure manufacturing is a multi-step process, which includes material selection, design, cutting, assembly, welding, surface treatment and quality control.

[0003] Hardness testing in steel structure production is an important quality control step that helps ensure that the mechanical properties of the material meet the design requirements. Hardness testing is usually done through non-destructive testing methods, including Leeb hardness testing, Vickers hardness testing, Rockwell hardness testing, and Brinell hardness testing. These testing methods all evaluate the hardness of a material based on its resistance to indentation or scratching. Hardness testing is the ability of a metal to resist local deformation and is a measure of the hardness of a metal material.

[0004] The existing steel structure hardness testing device is not flexible enough in the clamping structure of the steel structure, cannot clamp the steel structure with uneven surface, and cannot be flexibly adjusted according to the shape of the steel structure. Moreover, when hardness testing is required on different parts of the entire steel structure to obtain more accurate and comprehensive test results, it is often necessary to re-clamp and fix the steel structure, which is not convenient and affects the detection efficiency. Utility Model Content

[0005] In order to solve the technical problems that the above-mentioned existing steel structure hardness testing device is not flexible enough in the clamping structure of the steel structure, cannot clamp the steel structure with uneven surface, and cannot be flexibly adjusted according to the shape of the steel structure; and when it is necessary to perform hardness testing on different parts of the whole steel structure to obtain more accurate and comprehensive test results, it is often necessary to re-clamp and fix the steel structure, which is not convenient and affects the detection efficiency, the utility model provides a hardness testing device for steel structure production.

[0006] A hardness testing device for steel structure production comprises a workbench, a group of support rods and side plates are arranged on the workbench, a group of movable screw rods are arranged between the support rods and the side plates, a connecting plate is slidably arranged on the outer periphery of the movable screw rod, a second movable screw rod is rotatably arranged on the connecting plate, a telescopic rod is slidably arranged on the outer periphery of the second movable screw rod, a hardness testing head is fixedly arranged on the bottom end of the telescopic rod, a groove is arranged on the workbench, a bidirectional movable screw rod is rotatably arranged inside the groove, a group of fixed blocks are slidably arranged on the outer periphery of the bidirectional movable screw rod, a plurality of fastening components are arranged on the fixed blocks, a group of elastic structures are arranged near the side plates, and the elastic structures are fixedly connected by elastic binding bands.

[0007] More preferably, a group of movable screw rods respectively penetrate one of the support rods and the side plate and are provided with synchronous gears, a first motor is provided on the outer wall of the side plate, one of the synchronous gears is provided at the output end of the first motor, and the two synchronous gears are movably connected by a gear belt.

[0008] More preferably, a second motor and a third motor are respectively disposed at the bottom end of the connecting plate and the outer wall of the workbench, and a second movable lead screw and a bidirectional movable lead screw are respectively disposed at the output ends of the second motor and the third motor.

[0009] More preferably, a connecting seat is slidably provided on the outer periphery of the second movable screw rod, and the telescopic rod is preferably a hydraulic telescopic rod, and is fixedly provided at the bottom end of the connecting seat.

[0010] More preferably, the workbench is also provided with a limiting groove parallel to the groove, one end of a set of fixed blocks is respectively slidably set on the outer periphery of the forward thread and the reverse thread of the bidirectional movable screw rod, and the other end is slidably set in the limiting groove, the fixed block is preferably an L-shaped structure, and the facing side walls are fixedly provided with a friction layer, the fastening assembly includes a threaded rod passing through the top wall of the fixed block, a vacuum suction cup is fixedly provided at the bottom end of the threaded rod, and the top end of the threaded rod is fixed to the fixed block by a fastening nut.

[0011] More preferably, the elastic structure includes a spring group fixedly arranged on the top wall of the workbench, a top plate is fixedly arranged on the top of the spring group, and the two top plates are fixedly connected by an elastic band.

[0012] Compared with the prior art, the beneficial effects of the utility model are: through the mutual cooperation of the movable screw rod and the second movable screw rod, the hardness detection head can freely detect different parts of the steel structure, which is beneficial to the comprehensive and accurate measurement of the steel structure; the fixed block can be closed or separated on the bidirectional movable screw rod, thereby adapting to the fastening of steel structures of different widths, and the fastening assembly can be adjusted to play a role in fastening and clamping uneven steel structures. The side panels and elastic straps are used together to prevent the steel structure from warping up during measurement and affecting the measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0014] Figure 2 It is a top view schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a side view schematic diagram of the elastic structure 13 of the utility model;

[0016] Figure 4 It is a schematic diagram of partial structure A of the utility model.

[0017] In the figure: 1. workbench; 2. support rod; 3. side plate; 4. movable screw; 5. connecting plate; 6. second movable screw; 7. telescopic rod; 8. hardness detection head; 9. groove; 10. bidirectional movable screw; 11. fixed block; 12. fastening assembly; 13. elastic structure; 14. elastic band; 15. synchronous gear; 16. first motor; 17. gear belt; 18. second motor; 19. third motor; 20. connecting seat; 21. friction layer; 22. threaded rod; 23. vacuum suction cup; 24. fastening nut; 25. spring group; 26. top plate; 27. limit groove. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] In the present invention, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0021] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this utility model can be understood according to the specific circumstances. In addition, the term "plurality" should mean two or more than two.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present utility model can be combined with each other. Figure 1-Figure 4 The utility model is described in detail in conjunction with the embodiments.

[0023] A hardness testing device for steel structure production includes a workbench 1, on which a group of support rods 2 and side plates 3 are arranged, a group of movable screw rods 4 are arranged between the support rods 2 and the side plates 3, a group of movable screw rods 4 respectively penetrate one of the support rods 2 and the side plates 3 and are provided with synchronous gears 15, an outer wall of the side plate 3 is provided with a first motor 16, one of the synchronous gears 15 is arranged at the output end of the first motor 16, and the two synchronous gears 15 are movably connected through a gear belt 17.

[0024] When in use, the steel structure is placed on the workbench 1, and after being clamped and fastened, the hardness of different parts of the steel structure can be conveniently tested. When changing the testing part, the first motor 16 is started to drive a synchronous gear 15 to rotate. Under the synchronous action of the gear belt 17, the two synchronous gears 15 drive the two moving screws 4 to rotate. Since the connecting plate 5 is slidingly arranged on the outer periphery of the moving screw 4, the connecting plate 5 is driven to move forward and backward on the moving screw 4.

[0025] The second movable screw rod 6 is rotatably provided on the connecting plate 5, and a connecting seat 20 is slidably provided on the outer periphery of the second movable screw rod 6. The telescopic rod 7 is preferably a hydraulic telescopic rod and is fixedly provided at the bottom end of the connecting seat 20. A second motor 18 is provided at the bottom end of the connecting plate 5, and the second movable screw rod 6 is provided at the output end of the second motor 18. A telescopic rod 7 is slidably provided on the outer periphery of the second movable screw rod 6, and a hardness detection head 8 is fixedly provided at the bottom end of the telescopic rod 7.

[0026] Start the second motor 18 to drive the second movable screw 6 to rotate, and then drive the connecting seat 20 to move left and right to achieve rapid replacement of different detection positions, and then start the telescopic rod 7 to drive the hardness detection head 8 downward to perform hardness detection on the steel structure.

[0027] The workbench 1 is provided with a groove 9, and a bidirectional movable screw rod 10 is rotatably provided inside the groove 9. A third motor 19 is provided on the outer wall of the workbench 1, and the bidirectional movable screw rod 10 is provided at the output end of the third motor 19. The third motor 19 is started to drive the bidirectional movable screw rod 10 to rotate. Since a group of fixed blocks 11 are slidably provided on the outer periphery of the bidirectional movable screw rod 10, the fixed blocks 11 can be driven to close or separate with each other to meet the needs of fastening and clamping steel structures of different widths.

[0028] The workbench 1 is also provided with a limit groove 27 parallel to the groove 9. One end of a set of fixed blocks 11 is respectively slidably arranged on the outer periphery of the forward thread and the reverse thread of the bidirectional movable screw 10, and the other end is slidably arranged in the limit groove 27, which can not only play a limit guiding role for the fixed block, but also increase the stability during movement. The fixed block 11 is preferably an L-shaped structure, and the friction layer 21 is fixedly arranged on the opposite side walls, which can increase the friction between the friction layer 21 and the side of the steel structure and enhance the clamping effect.

[0029] Several fastening components 12 are arranged at the lateral ends of the fixing block 11. The fastening components 12 include a threaded rod 22 penetrating the top wall of the fixing block 11. A vacuum suction cup 23 is fixedly arranged at the bottom end of the threaded rod 22. The top end of the threaded rod 22 is fixed to the fixing block 11 through a fastening nut 24. The fastening nut 24 is loosened, and the threaded rod 22 is moved up and down according to the flatness of the upper surface of the steel structure, so that different threaded rods 22 can be closely fitted against different flat surfaces of the steel structure surface, and the vacuum suction cup 23 can suck the surface of the steel structure to enhance the fixation.

[0030] A group of elastic structures 13 are arranged near the side panels 3, and the elastic structures 13 are fixedly connected by elastic bands 14. The elastic structure 13 includes a spring group 25 fixedly arranged on the top wall of the workbench 1, and a top plate 26 is fixedly arranged on the top of the spring group 25. The two top plates 26 are fixedly connected by the elastic bands 14. The inner end of the steel structure is against the side panel 3, and then the elastic bands 14 are pulled to be tied to the upper surface of the inner end of the steel structure. The elastic bands 14 can fit the surface of the steel structure well, and can achieve rapid binding and unbinding under the compression and stretching of the spring group 25.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hardness testing device for steel structure production, comprising a workbench (1), on which a group of support rods (2) and side plates (3) are arranged, characterized in that: A group of movable screw rods (4) are arranged between the support rod (2) and the side plate (3); a connecting plate (5) is slidably arranged on the outer periphery of the movable screw rod (4); a second movable screw rod (6) is rotatably arranged on the connecting plate (5); a telescopic rod (7) is slidably arranged on the outer periphery of the second movable screw rod (6); a hardness detection head (8) is fixedly arranged at the bottom end of the telescopic rod (7); a groove (9) is arranged on the workbench (1); a bidirectional movable screw rod (10) is rotatably arranged inside the groove (9); a group of fixed blocks (11) is slidably arranged on the outer periphery of the bidirectional movable screw rod (10); a plurality of fastening components (12) are arranged on the fixed blocks (11); a group of elastic structures (13) are arranged near the side plate (3); and the elastic structures (13) are fixedly connected by elastic binding bands (14).

2. A hardness testing device for steel structure production according to claim 1, characterized in that: A group of movable screw rods (4) respectively penetrate one of the support rods (2) and the side plate (3) and are provided with synchronous gears (15); the outer wall of the side plate (3) is provided with a first motor (16); one of the synchronous gears (15) is provided at the output end of the first motor (16); and the two synchronous gears (15) are movably connected via a gear belt (17).

3. A hardness testing device for steel structure production according to claim 2, characterized in that: A second motor (18) and a third motor (19) are respectively arranged at the bottom end of the connecting plate (5) and the outer wall of the workbench (1), and a second movable lead screw (6) and a bidirectional movable lead screw (10) are respectively arranged at the output ends of the second motor (18) and the third motor (19).

4. A hardness testing device for steel structure production according to claim 3, characterized in that: A connecting seat (20) is slidably arranged on the outer periphery of the second movable screw rod (6); the telescopic rod (7) is a hydraulic telescopic rod and is fixedly arranged at the bottom end of the connecting seat (20).

5. A hardness testing device for steel structure production according to claim 3, characterized in that: The workbench (1) is also provided with a limiting groove (27) parallel to the groove (9); one end of a set of fixed blocks (11) is respectively slidably arranged on the outer periphery of the forward thread and the reverse thread of the bidirectional movable screw rod (10); the other end is slidably arranged in the limiting groove (27); the fixed block (11) is an L-shaped structure, and the opposite side walls are fixedly provided with a friction layer (21); the fastening assembly (12) comprises a threaded rod (22) penetrating the top wall of the fixed block (11); a vacuum suction cup (23) is fixedly provided at the bottom end of the threaded rod (22); and the top end of the threaded rod (22) is fixed to the fixed block (11) by a fastening nut (24).

6. A hardness testing device for steel structure production according to claim 5, characterized in that: The elastic structure (13) comprises a spring group (25) fixedly arranged on the top wall of the workbench (1), a top plate (26) fixedly arranged on the top of the spring group (25), and two top plates (26) are fixedly connected by an elastic binding band (14).

Images