A special clamping device for steel plate tensile test

Abstract

The application provides a special clamping device for steel plate tensile test, and relates to the field of steel plate tensile test, comprising a workbench, the upper side of the workbench is provided with an adjusting frame, the horizontal plate lower surface of the adjusting frame is provided with a mounting groove, the inside of the mounting groove is slidably connected with a mounting block, the lower surface of the mounting block is fixedly connected with a fixed rod, the inside of the fixed rod is slidably connected with a abutting rod extending out of the lower surface, and the surface of the abutting rod is fixedly connected with an inclined pressing rod. The cooperation between the first motor, the rotating rod, the synchronous groove, the second bevel gear, the first bevel gear, the first adjusting screw and other structures achieves synchronous movement of each abutting rod and the inclined pressing rod, greatly reduces the operation steps of the staff, eliminates the need for manual operation by the staff, guarantees the clamping and pressing effect of the steel plate, is simple to operate and has high practicality.

Description

Technical Field

[0001] This utility model relates to the field of steel plate tensile testing, and more specifically, to a special clamping device for steel plate tensile testing. Background Technology

[0002] Mechanical property testing of metallic materials is an important method for detecting and evaluating the quality of metallic products, among which tensile testing is currently one of the most important methods. In the production and manufacturing process of steel plates, tensile testing is frequently used to verify whether the steel plates meet quality standards. During the tensile testing process, the clamping and fixing of the steel plate is particularly important. Inadequate fixing measures can not only affect the tensile test data but may even cause injury to workers.

[0003] In the prior art, CN216117088U discloses a special clamping device for tensile testing of steel plates. Although the above-mentioned prior art achieves the clamping of steel plates, it still has certain limitations in actual use. First, when the second clamping mechanism slides in the groove, it mainly relies on manual pushing and adjusting the position. For some tests with high precision requirements, manual operation is difficult to guarantee the accuracy and repeatability of its position, which may lead to deviations in the clamping position of the steel plate and affect the accuracy of the test results. Second, when clamping steel plates of different thicknesses, the clamping mechanism of this device can only be roughly judged and manually operated by humans. It is easy to have insufficient clamping force, causing the steel plate to slide during the test. Moreover, it requires the operator to operate four clamping devices separately to achieve the clamping of the steel plate, which makes the operation process cumbersome, complicated, and impractical. In view of this, we propose a special clamping device for tensile testing of steel plates to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to solve the problem that some current clamping devices for steel plate tensile testing are not very practical.

[0005] To achieve the above-mentioned objectives and improve the aforementioned problems, this utility model provides a special clamping device for steel plate tensile testing, including a workbench. An adjustment frame is provided on the upper side of the workbench. An installation groove is formed on the lower surface of the horizontal plate of the adjustment frame. An installation block is slidably connected inside the installation groove. A fixing rod is fixedly connected to the lower surface of the installation block. A clamping rod extending from the lower surface is slidably connected inside the fixing rod. An oblique pressing rod is fixedly connected to the surface of the clamping rod. A first adjusting screw is rotatably connected inside the fixing rod. The clamping rod is threaded to the outside of the first adjusting screw. A cavity is formed inside the installation block. A connecting assembly is provided inside the cavity. A driving assembly and an adjusting assembly are provided inside the installation groove. An adhesive strip and an adhesive surface are provided on the upper surface of the workbench.

[0006] As a preferred technical solution of this application, the drive assembly includes a rotating rod, which is rotatably connected inside the mounting groove. The mounting block is movably sleeved on the outside of the rotating rod. A first motor is fixedly connected to the left side surface of the adjustment frame. The output shaft of the first motor rotatably penetrates into the interior of the adjustment frame. The output shaft of the first motor is fixedly connected to the rotating rod through a coupling.

[0007] As a preferred technical solution of this application, the connecting assembly includes a mounting shaft, which is rotatably connected to the bottom wall of the cavity. The lower end of the mounting shaft rotatably penetrates into the interior of the fixed rod. The mounting shaft is fixedly connected to the first adjusting screw. The upper end of the mounting shaft is fixedly connected to a first bevel gear. A synchronization groove is formed on the surface of the rotating rod.

[0008] As a preferred technical solution of this application, the outside of the rotating rod is slidably sleeved with a second bevel gear through the setting of a synchronization groove. The second bevel gear and the first bevel gear are meshed and connected. A support sleeve is fixedly connected to the surface of the second bevel gear. The support sleeve is rotatably connected to the inner wall of the cavity.

[0009] As a preferred technical solution of this application, the adjusting component includes a fixing screw, which is fixedly connected inside the mounting groove and located above the rotating rod. The mounting block is also movably sleeved outside the fixing screw. A threaded sleeve is rotatably connected inside the cavity and threadedly connected to the outside of the fixing screw. A third bevel gear is fixedly connected to the end of the threaded sleeve away from the inner wall of the cavity, and the third bevel gear is movably sleeved outside the fixing screw.

[0010] As a preferred technical solution of this application, the upper side of the third bevel gear is meshed with a fourth bevel gear, and the upper surface of the fourth bevel gear is fixedly connected with an operating rod. The operating rod rotates through the interior of the mounting block, and a through groove is provided on the upper surface of the horizontal plate of the adjustment frame. The operating rod extends out of the upper surface of the adjustment frame through the through groove.

[0011] As a preferred technical solution of this application, limit grooves are provided on both sides of the workbench, and the two vertical plates of the adjustment frame are slidably connected to the inside of the two limit grooves respectively. A second adjustment screw is rotatably connected inside the right limit groove, and a guide rod is fixedly connected inside the left limit groove.

[0012] As a preferred technical solution of this application, a second motor is fixedly connected to the front surface of the workbench, and the two vertical plates of the adjustment frame are respectively threaded to the outside of the second adjustment screw and slidably connected to the outside of the guide rod. The output shaft of the second motor rotates through the inside of the workbench and is fixedly connected to the second adjustment screw through a coupling.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: 1. By coordinating the first motor, rotating rod, synchronous groove, second bevel gear, first bevel gear, and first adjusting screw, the synchronous movement of each clamping rod and the inclined clamping rod is achieved, greatly reducing the number of operation steps for the operator. No manual operation is required, ensuring the clamping and pressing effect on the steel plate. The operation is simple and highly practical. 2. By coordinating the operating lever, fourth bevel gear, third bevel gear, threaded sleeve, and fixing screw, the position of each clamping rod can be adjusted. This facilitates adjusting the position of each clamping rod according to the steel plate specifications, ensuring that all clamping rods can effectively press and fix the steel plate, further improving the flexibility of the device and simplifying operation. Attached Figure Description

[0014] Figure 1 A schematic diagram of the special clamping device for tensile testing of steel plates provided in this application; Figure 2 A schematic diagram of the worktable in the special clamping device for tensile testing of steel plates provided in this application; Figure 3 A cross-sectional view of the adjusting frame in the steel plate tensile testing clamping device provided in this application; Figure 4 A cross-sectional view of the fixing rod in the steel plate tensile testing clamping device provided in this application; Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0015] The image shows: 1. Workbench; 2. Adjusting frame; 3. Mounting slot; 4. Mounting block; 5. Fixing rod; 6. Clamping rod; 7. Angled clamping rod; 8. First adjusting screw; 9. Cavity; 10. Mounting shaft; 11. First bevel gear; 12. Rotating rod; 13. Second bevel gear; 14. Support sleeve; 15. Synchronizing slot; 16. First motor; 17. Fixing screw; 18. Third bevel gear; 19. Threaded sleeve; 20. Fourth bevel gear; 21. Operating rod; 22. Through slot; 23. Limiting slot; 24. Second adjusting screw; 25. Second motor; 26. Guide rod; 27. Rubber strip; 28. Rubber surface. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0017] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0018] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0019] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0020] Example 1 Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A special clamping device for tensile testing of steel plates includes a workbench 1, an adjusting frame 2 on the upper side of the workbench 1, an installation groove 3 on the lower surface of the cross plate of the adjusting frame 2, an installation block 4 slidably connected inside the installation groove 3, a fixing rod 5 fixedly connected to the lower surface of the installation block 4, a clamping rod 6 extending from the lower surface slidably connected inside the fixing rod 5, an oblique pressing rod 7 fixedly connected to the surface of the clamping rod 6, a first adjusting screw 8 rotatably connected inside the fixing rod 5, and the clamping rod 6 threadedly connected to the outside of the first adjusting screw 8. A cavity 9 is opened inside the installation block 4, a connecting assembly is arranged inside the cavity 9, and a driving assembly and an adjusting assembly are arranged inside the installation groove 3.

[0021] In the above embodiments, there can be multiple mounting blocks 4, fixing rods 5 and clamping rods 6, thereby further improving the clamping stability of the steel plate. In addition, the end of the clamping rod 6 and the oblique clamping rod 7 that contacts the steel plate is also matched with a rubber block. Since this is a conventional technical means, it will not be described in detail in this article.

[0022] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the drive assembly includes a rotating rod 12, which is rotatably connected inside the mounting groove 3. The mounting block 4 is movably sleeved on the outside of the rotating rod 12. A first motor 16 is fixedly connected to the left side surface of the adjustment frame 2. The output shaft of the first motor 16 rotatably passes through the interior of the adjustment frame 2. The output shaft of the first motor 16 is fixedly connected to the rotating rod 12 through a coupling. The rotation of the rotating rod 12 can be driven by starting the first motor 16.

[0023] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the connecting assembly includes a mounting shaft 10, which is rotatably connected to the bottom wall of the cavity 9. The lower end of the mounting shaft 10 rotatably penetrates into the interior of the fixed rod 5. The mounting shaft 10 is fixedly connected to the first adjusting screw 8. The upper end of the mounting shaft 10 is fixedly connected to the first bevel gear 11. The surface of the rotating rod 12 is provided with a synchronization groove 15.

[0024] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a second bevel gear 13 is slidably sleeved on the outside of the rotating rod 12 through the synchronous groove 15. The second bevel gear 13 and the first bevel gear 11 are meshed and connected. A support sleeve 14 is fixedly connected to the surface of the second bevel gear 13. The support sleeve 14 is rotatably connected to the inner wall of the cavity 9. Through the cooperation of the synchronous groove 15 and the second bevel gear 13, the rotating rod 12 can drive the second bevel gear 13 to rotate when it rotates, thereby driving the first bevel gear 11 to rotate. The rotation of the first bevel gear 11 drives the rotation of the mounting shaft 10, thereby driving the rotation of the first adjusting screw 8. Finally, the pressing rod 6 slides inside the fixed rod 5 to facilitate the subsequent pressing and fixing of the steel plate.

[0025] Example 2 The steel plate tensile testing clamping device provided in Example 1 has been further optimized, specifically, as follows: Figure 1 , Figure 2, Figure 3 , Figure 4 , Figure 5 As shown, the adjustment assembly includes a fixed screw 17, which is fixedly connected inside the mounting groove 3 and located above the rotating rod 12. The mounting block 4 is also movably sleeved outside the fixed screw 17. A threaded sleeve 19 is rotatably connected inside the cavity 9 and is threadedly connected to the outside of the fixed screw 17. A third bevel gear 18 is fixedly connected to the end of the threaded sleeve 19 away from the inner wall of the cavity 9. The third bevel gear 18 is movably sleeved outside the fixed screw 17. The rotation of the third bevel gear 18 can drive the rotation of the threaded sleeve 19. Since the threaded sleeve 19 and the fixed screw 17 are threadedly connected, when the threaded sleeve 19 rotates, it will drive the mounting block 4 to slide outside the fixed screw 17. At this time, the internal structure of the mounting block 4 will move synchronously. The second bevel gear 13 slides outside the rotating rod 12 with the help of the synchronous groove 15, thereby realizing the adjustment of the position of the clamping rod 6.

[0026] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the upper side of the third bevel gear 18 is meshed with the fourth bevel gear 20. The upper surface of the fourth bevel gear 20 is fixedly connected with the operating rod 21. The operating rod 21 rotates through the interior of the mounting block 4. The upper surface of the horizontal plate of the adjusting frame 2 is provided with a through groove 22. The operating rod 21 extends out of the upper surface of the adjusting frame 2 through the through groove 22. By rotating the operating rod 21, the operator can drive the fourth bevel gear 20 to rotate. The rotation of the fourth bevel gear 20 can drive the rotation of the third bevel gear 18.

[0027] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, limit grooves 23 are provided on both sides of the worktable 1. The two vertical plates of the adjustment frame 2 are slidably connected to the inside of the two limit grooves 23 respectively. The second adjustment screw 24 is rotatably connected inside the right limit groove 23, and the guide rod 26 is fixedly connected inside the left limit groove 23. The two vertical plates of the adjustment frame 2 are threaded to the outside of the second adjustment screw 24 and slidably connected to the outside of the guide rod 26 respectively. The second motor 25 is fixedly connected to the front surface of the worktable 1. The output shaft of the second motor 25 rotates through the inside of the worktable 1. The output shaft of the second motor 25 is fixedly connected to the second adjustment screw 24 through a coupling. By starting the second motor 25, the second adjustment screw 24 can be rotated, thereby causing the adjustment frame 2 to slide inside the limit groove 23, thereby realizing the adjustment of the front and rear positions of each clamping rod 6, further improving the flexibility of the device.

[0028] In the above embodiments, power supplies, wires, controllers, and microcomputers are also provided in conjunction with the first motor 16 and the second motor 25. Since these are not the main structures, they will not be described in detail here.

[0029] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the upper surface of the workbench 1 is provided with a rubber strip 27 and a rubber surface 28. The rubber strip 27 and the rubber surface 28 are provided to further improve the stability of the steel plate clamping.

[0030] The usage process of the special clamping device for tensile testing of steel plates provided by this utility model is as follows: The worker places the steel plate to be tested under tensile stress on the upper side of the workbench 1. The worker can then start the second motor 25. Starting the second motor 25 will drive the second adjusting screw 24 to rotate, thereby causing the adjusting frame 2 to slide inside the limiting groove 23. This allows the worker to adjust the position of each clamping rod 6 in the front and back directions according to the position of the steel plate.

[0031] Subsequently, the operator can rotate the fourth bevel gear 20 by turning the operating lever 21. The rotation of the fourth bevel gear 20 will drive the rotation of the third bevel gear 18, which in turn will drive the rotation of the threaded sleeve 19. Since the threaded sleeve 19 is threadedly connected to the fixing screw 17, when the threaded sleeve 19 rotates, it will cause the mounting block 4 to slide outside the fixing screw 17. At this time, the internal structure of the mounting block 4 will move synchronously. The second bevel gear 13 slides outside the rotating rod 12 with the help of the synchronous groove 15, thereby realizing the adjustment of the position of the clamping rod 6. Finally, the clamping rod 6 is adjusted to the lateral position according to the steel plate specifications, so that each clamping rod 6 is located on the upper side of the steel plate.

[0032] Subsequently, the staff starts the first motor 16, which drives the rotation of the rotating rod 12. Through the cooperation of the synchronous groove 15 and the second bevel gear 13, the rotation of the rotating rod 12 drives the second bevel gear 13 to rotate, which in turn drives the first bevel gear 11 to rotate. The rotation of the first bevel gear 11 drives the rotation of the mounting shaft 10, which in turn drives the rotation of the first adjusting screw 8. Finally, all the clamping rods 6 slide simultaneously inside the fixing rod 5, thereby achieving the pressing and fixing of the steel plate.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A special clamping device for tensile testing of steel plates, characterized in that, The workbench (1) includes an adjustment frame (2) on its upper side. The lower surface of the horizontal plate of the adjustment frame (2) is provided with an installation groove (3). An installation block (4) is slidably connected inside the installation groove (3). A fixing rod (5) is fixedly connected to the lower surface of the installation block (4). A clamping rod (6) extending from the lower surface is slidably connected inside the fixing rod (5). An oblique pressing rod (7) is fixedly connected to the surface of the clamping rod (6). A first adjusting screw (8) is rotatably connected inside the fixing rod (5). The clamping rod (6) is threaded to the outside of the first adjusting screw (8). A cavity (9) is provided inside the installation block (4). A connecting component is provided inside the cavity (9). A drive component and an adjustment component are provided inside the installation groove (3). A rubber strip (27) and a rubber surface (28) are provided on the upper surface of the workbench (1).

2. The special clamping device for tensile testing of steel plates according to claim 1, characterized in that, The drive assembly includes a rotating rod (12), which is rotatably connected inside the mounting groove (3). The mounting block (4) is movably sleeved on the outside of the rotating rod (12). A first motor (16) is fixedly connected to the left side surface of the adjustment frame (2). The output shaft of the first motor (16) rotates through the inside of the adjustment frame (2). The output shaft of the first motor (16) is fixedly connected to the rotating rod (12) through a coupling.

3. The special clamping device for tensile testing of steel plates according to claim 2, characterized in that, The connecting assembly includes a mounting shaft (10), which is rotatably connected to the bottom wall of the cavity (9). The lower end of the mounting shaft (10) rotatably penetrates into the interior of the fixed rod (5). The mounting shaft (10) is fixedly connected to the first adjusting screw (8). The upper end of the mounting shaft (10) is fixedly connected to the first bevel gear (11). The surface of the rotating rod (12) is provided with a synchronization groove (15).

4. The special clamping device for tensile testing of steel plates according to claim 3, characterized in that, The outside of the rotating rod (12) is slidably sleeved with a second bevel gear (13) through the setting of the synchronization groove (15). The second bevel gear (13) and the first bevel gear (11) are meshed and connected. The surface of the second bevel gear (13) is fixedly connected with a support sleeve (14). The support sleeve (14) and the inner wall of the cavity (9) are rotatably connected.

5. The special clamping device for tensile testing of steel plates according to claim 4, characterized in that, The adjustment assembly includes a fixed screw (17), which is fixedly connected inside the mounting groove (3). The fixed screw (17) is located on the upper side of the rotating rod (12). The mounting block (4) is also movably sleeved outside the fixed screw (17). A threaded sleeve (19) is rotatably connected inside the cavity (9). The threaded sleeve (19) is threadedly connected to the outside of the fixed screw (17). A third bevel gear (18) is fixedly connected to one end of the threaded sleeve (19) away from the inner wall of the cavity (9). The third bevel gear (18) is movably sleeved outside the fixed screw (17).

6. The special clamping device for tensile testing of steel plates according to claim 5, characterized in that, The upper side of the third bevel gear (18) is meshed with a fourth bevel gear (20), and the upper surface of the fourth bevel gear (20) is fixedly connected with an operating rod (21). The operating rod (21) rotates through the interior of the mounting block (4). The upper surface of the horizontal plate of the adjusting frame (2) is provided with a through groove (22), and the operating rod (21) extends out of the upper surface of the adjusting frame (2) through the through groove (22).

7. A special clamping device for tensile testing of steel plates according to claim 6, characterized in that, Limiting grooves (23) are provided on both sides of the workbench (1). The two vertical plates of the adjustment frame (2) are slidably connected to the inside of the two limiting grooves (23). The inside of the right limiting groove (23) is rotatably connected to a second adjusting screw (24), and the inside of the left limiting groove (23) is fixedly connected to a guide rod (26).

8. A special clamping device for tensile testing of steel plates according to claim 7, characterized in that, The two vertical plates of the adjustment frame (2) are respectively threaded to the outside of the second adjustment screw (24) and slidably connected to the outside of the guide rod (26). The front surface of the worktable (1) is fixedly connected to the second motor (25). The output shaft of the second motor (25) rotates through the inside of the worktable (1). The output shaft of the second motor (25) is fixedly connected to the second adjustment screw (24) through a coupling.

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