Reinforced intelligent universal material testing machine

CN224758218UActive Publication Date: 2026-09-15HEBEI HUAXI TEST INSTR CO LTD
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Patent Information

Application Number
CN202522135324.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-10
Publication Date
2026-09-15
Estimated Expiration
2035-10-10

AI Technical Summary

Benefits of technology

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the two ends of the steel bar are placed between the upper and lower clamping components, the steel bar is firmly clamped by the clamping components, the tensile component performs a tensile test on the steel bar, and the protective component can protect the area above the workbench during the test to prevent debris generated during the test from causing injury to the test personnel.

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Abstract

The utility model relates to the technical field of steel strength test, especially to steel bar intelligent universal material testing machine, its guarantee to the clamping effect of steel bar, the steady clamping of steel bar is carried out, avoids the occurrence of slippage, influences test effect, including work bench, base, stretching part, clamping part and protection part, work bench is installed at the top of base, and the top of work bench is installed with protection part, and the top of work bench is installed in the protection part inside stretching part, and clamping part is installed on the top of work bench and stretching part.
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Description

Technical Field

[0001] This utility model relates to the technical field of steel bar strength testing, and in particular to an intelligent universal material testing machine for steel bars. Background Technology

[0002] Reinforcing steel bars are essential raw materials for engineering construction. During construction, strength tests are conducted on the steel bars using certain instruments to check if their strength meets standards. A steel bar tensile strength testing machine is a primary instrument used to test the conventional mechanical properties of various metals, non-metals, and composite materials. Existing technology publication number CN220380878U discloses a steel bar strength testing machine for engineering material testing, including a machine base. A protective assembly is provided between the sliding table and the machine base. The protective assembly includes sliding blocks, protective covers, push plates, and U-shaped grooves. The sliding blocks are vertically distributed between the sliding table and the machine base. Two protective covers are rotatably mounted on both sides of the sliding blocks. The push plates are symmetrically fixed in pairs to the top or bottom of two clamps. The U-shaped grooves are symmetrically opened in pairs on the sides of the two protective covers. However, this method has poor clamping effect on the steel bars, and slippage is prone to occur during the test, affecting the test accuracy. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides an intelligent universal material testing machine for reinforcing bars that ensures the clamping effect of reinforcing bars, firmly clamps the reinforcing bars, and avoids slippage that would affect the test results.

[0004] This utility model discloses an intelligent universal testing machine for reinforcing bars, comprising a worktable, a base, a tensile component, a clamping component, and a protective component. The worktable is installed on the top of the base, and the protective component is installed on the top of the worktable. The tensile component is installed on the top of the worktable inside the protective component, and the clamping component is installed on the top of the worktable and on the tensile component. The two ends of the reinforcing bar are placed between the upper and lower clamping components, and the clamping component securely clamps the reinforcing bar. The tensile component performs a tensile test on the reinforcing bar. The protective component can protect the area above the worktable during the test to prevent debris generated during the test from causing injury to the test personnel.

[0005] Preferably, the protective components include a protective frame, a top box, multiple guardrails, and two protective doors. The protective frame is installed on the top of the workbench, the top box is installed on the top of the protective frame, multiple guardrails are installed on the outer wall of the protective frame, and protective doors are hinged to the left and right sides of the front end of the protective frame. Opening the protective doors facilitates the loading and unloading of samples, and closing the protective doors during the test, the guardrails and protective doors can protect the area above the workbench during the test, preventing debris generated during the test from causing injury to the test personnel.

[0006] Preferably, the tensile component includes two sets of slide rods, two precision lead screws, two hydraulic pumps, an oil tank, and a movable plate. The two sets of slide rods are installed on the left and right sides of the top of the workbench, with the top of the slide rods connected to the top of the protective frame. Precision lead screws are rotatably installed on the left and right sides of the top of the workbench, with the top of the precision lead screws rotatably connected to the top of the protective frame. The hydraulic pumps are installed at the bottom of the workbench, with the output end of the hydraulic pump connected to the input end of the precision lead screw. An oil tank is installed inside the base. The movable plate is screwed onto the outer wall of the precision lead screw in the middle, and its front and rear ends are slidably installed on the outer wall of the slide rod. Starting the hydraulic pump drives the precision lead screw to rotate, allowing the movable plate to slide on the slide rod, thus completing the tensile action. At the same time, the slide rod can guide and limit the movable plate, ensuring stability during movement and improving test accuracy.

[0007] Preferably, the clamping components include a clamping seat, multiple limiting slide rods, multiple clamping blocks, multiple limiting slide plates, a push plate, multiple sets of fixing plates, multiple crossbars, multiple connecting plates, a clamping hydraulic cylinder, an upper horizontal plate, a vertical rod, and a lower horizontal plate. The clamping seat is installed at the top of the worktable and in the middle of the moving plate. A clamping cavity is formed within the clamping seat, and multiple sliding grooves are formed on the inner wall of the clamping cavity. The limiting slide rods are installed in the sliding grooves. A limiting slide plate is installed on the outer wall of the clamping block, and the limiting slide plate is slidably installed on the outer wall of the limiting slide rod. Multiple clamping teeth are formed on the inner wall of the clamping block. A sliding cavity is formed at the end of the clamping block away from the clamping seat, and a connecting plate is installed in the sliding cavity. Multiple sets of fixing plates are installed on the push plate, and two fixing plates are connected to each other. A crossbar is installed between the two clamping blocks. A connecting plate is slidably installed on the outer wall of the crossbar. Multiple uprights are installed at the ends of the two clamping blocks that are far apart. An upper horizontal plate is installed on the upper upright and a lower horizontal plate is installed on the lower upright. The lower horizontal plate is installed on the inner walls of the front and rear ends of the base. Clamping hydraulic cylinders are installed in the middle of the upper and lower horizontal plates respectively. The telescopic ends of the clamping hydraulic cylinders are connected to the outer wall of the push plate. After the reinforcing bar is placed between the multiple clamping blocks, the clamping hydraulic cylinders are activated to push the push plate to move, so that the clamping blocks drive the limiting slide plate to slide on the limiting slide rod. The ends of the reinforcing bar are clamped by multiple clamping blocks. The clamping teeth can ensure the clamping effect of the reinforcing bar, and firmly clamp the reinforcing bar to avoid slippage and affecting the test results.

[0008] Preferably, it also includes a hydraulic cylinder, which is installed at the top of the top box. The telescopic end of the hydraulic cylinder is connected to the top of the upper horizontal plate. An insertion slot is provided at one end of the two clamping seats opposite to each other. When the moving plate moves up and down for the test, the hydraulic cylinder is activated to push the upper clamping seats to move through the upper horizontal plate and the upright to assist in the moving test. At the same time, the tools used for the steel bar bending test are installed on the clamping seats through the insertion slots, which can complete the bending test of the steel bar.

[0009] Preferably, it also includes two sets of guide slide rods. Multiple guide slide rods are axially and evenly installed on the outer wall of the push plate. The upper and lower sets of guide slide rods are slidably installed on the upper and lower horizontal plates, respectively. When the clamping hydraulic cylinder pushes the push plate to move, the push plate drives the guide slide rods to slide on the upper and lower horizontal plates, which can limit and guide the push plate, improve the structural strength, ensure the stability during movement, and avoid clamping jamming.

[0010] Preferably, it also includes a rocker arm and a control host. The rocker arm is installed on the front end of the right side wall of the base, and the control host is installed on the other end of the rocker arm. The control host can record and process the test data and display the test data in real time. At the same time, the rocker arm makes it easy to adjust the position of the control host and is convenient to use.

[0011] Preferably, it also includes multiple support legs and a cabinet door. The multiple support legs are respectively installed at the four corners of the bottom of the base, and the cabinet door is installed at the front end of the base. The support legs support the bottom of the base, reducing noise transmission and ensuring stability. Opening the cabinet door facilitates the inspection and maintenance of the components inside the base, improving practicality.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the two ends of the steel bar are placed between the upper and lower clamping components, the steel bar is firmly clamped by the clamping components, the tensile component performs a tensile test on the steel bar, and the protective component can protect the area above the workbench during the test to prevent debris generated during the test from causing injury to the test personnel. Attached Figure Description

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

[0014] Figure 2 This is a front view structural diagram of the present invention;

[0015] Figure 3 This is a front cross-sectional structural diagram of the present invention;

[0016] Figure 4 This is a schematic diagram of the left cross-sectional structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the right-side cross-sectional structure of this utility model;

[0018] The following are labels in the attached diagram: 1. Workbench; 2. Base; 3. Support leg; 4. Slide rod; 5. Precision lead screw; 6. Hydraulic pump; 7. Oil tank; 8. Moving plate; 9. Protective frame; 10. Top box; 11. Guardrail; 12. Protective door; 13. Box door; 14. Rocker arm; 15. Control host; 16. Clamping seat; 17. Limit slide rod; 18. Clamping block; 19. Limiting slide plate; 20. Push plate; 21. Fixing plate; 22. Crossbar; 23. Connecting plate; 24. Clamping hydraulic cylinder; 25. Upper crossbar; 26. Upright pole; 27. Lower crossbar; 28. Hydraulic cylinder; 29. ​​Guide slide rod. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0020] like Figures 1 to 5As shown, the workbench 1 is mounted on top of the base 2, the rocker arm 14 is mounted on the front of the right side wall of the base 2, and the control host 15 is mounted on the other end of the rocker arm 14. Multiple support legs 3 are mounted at the four corners of the bottom of the base 2. A door 13 is mounted on the front of the base 2. A protective frame 9 is mounted on top of the workbench 1, and a top box 10 is mounted on top of the protective frame 9. Multiple guardrails 11 are mounted on the outer wall of the protective frame 9. Protective doors 12 are hinged to the left and right sides of the front of the protective frame 9. Two sets of sliding rods 4 are mounted on the left and right sides of the top of the workbench 1, and the top of the sliding rods 4 is connected to the top of the protective frame 9. Precision lead screws 5 are rotatably mounted on both the left and right sides. The top of the precision lead screws 5 is rotatably connected to the top of the protective frame 9. A hydraulic pump 6 is installed at the bottom of the worktable 1, and the output end of the hydraulic pump 6 is connected to the input end of the precision lead screws 5. An oil tank 7 is installed inside the base 2. The middle of the moving plate 8 is screwed onto the outer wall of the precision lead screws 5. The front and rear ends of the moving plate 8 are slidably mounted on the outer wall of the slide rod 4. A clamping seat 16 is installed at the top of the worktable 1 and in the middle of the moving plate 8. A clamping cavity is opened in the clamping seat 16, and multiple sliding grooves are opened on the inner wall of the clamping cavity. A limiting slide rod 17 is installed in the sliding groove. The clamping block A limiting slide plate 19 is installed on the outer wall of the clamping block 18. The limiting slide plate 19 is slidably installed on the outer wall of the limiting slide rod 17. Multiple clamping teeth are provided on the inner wall of the clamping block 18. A sliding cavity is provided at the end of the clamping block 18 away from the clamping seat 16. A connecting plate 23 is installed in the sliding cavity. Multiple sets of fixing plates 21 are installed on the push plate 20. A crossbar 22 is installed between two fixing plates 21. The connecting plate 23 is slidably installed on the outer wall of the crossbar 22. Multiple uprights 26 are installed at the ends of the two clamping seats 16 that are far apart. An upper horizontal plate 25 is installed on the upper upright 26. The lower upright 26 is... The lower horizontal plate 27 is installed on the inner walls of the front and rear ends of the base 2. The clamping hydraulic cylinder 24 is installed in the middle of the upper horizontal plate 25 and the lower horizontal plate 27 respectively. The telescopic end of the clamping hydraulic cylinder 24 is connected to the outer wall of the push plate 20. The hydraulic cylinder 28 is installed at the top inside the top box 10. The telescopic end of the hydraulic cylinder 28 is connected to the top of the upper horizontal plate 25. The two clamping seats 16 have insertion slots at opposite ends. Multiple guide slide rods 29 are axially and evenly installed on the outer wall of the push plate 20. The upper and lower sets of guide slide rods 29 are slidably installed on the upper horizontal plate 25 and the lower horizontal plate 27 respectively.

[0021] Multiple support legs 3 support the bottom of the base 2 to reduce noise transmission and ensure stability. Opening the box door 13 facilitates the inspection and maintenance of the internal components of the base 2, improving practicality. After the rebar is placed between multiple clamping blocks 18, the clamping hydraulic cylinder 24 is activated to push the push plate 20 to move, causing the clamping blocks 18 to drive the limiting slide plate 19 to slide on the limiting slide rod 17. The ends of the rebar are clamped by multiple clamping blocks 18, and the clamping teeth can ensure the clamping effect of the rebar, providing a stable clamping effect and preventing slippage that would affect the test results. Activating the hydraulic pump 6 drives the precision lead screw 5 to rotate, allowing the moving plate 8 to slide on the slide rod 4, completing the stretching action. At the same time, the slide rod 4 can guide and limit the moving plate 8 to ensure stability during movement and improve test accuracy. When the moving plate 8 moves up and down during the test, the hydraulic cylinder 28 is activated via the upper horizontal plate 25 and the upright. 26. Push the upper clamping seat 16 to move, assisting in the movement test. At the same time, the instruments used for the rebar bending test are installed on the clamping seat 16 through the insertion slot, which can complete the rebar bending test. When the clamping hydraulic cylinder 24 pushes the push plate 20 to move, the push plate 20 drives the guide slide rod 29 to slide on the upper horizontal plate 25 and the lower horizontal plate 27, which can limit and guide the push plate 20, improve the structural strength, ensure the stability during movement, and avoid clamping jamming. Opening the protective door 12 facilitates the loading and unloading of the sample. During the test, the protective door 12 is closed. The guardrail 11 and the protective door 12 can protect the area above the workbench 1 during the test, preventing the debris generated during the test from causing injury to the test personnel. The control host 15 can record and process the test data and display the test data in real time. At the same time, the rocker arm 14 can easily adjust the position of the control host 15 for convenient use.

[0022] like Figures 1 to 5 As shown, in operation, the intelligent universal testing machine for reinforcing bars of this utility model, after the reinforcing bar is placed between multiple clamping blocks 18, the clamping hydraulic cylinder 24 is activated to push the push plate 20 to move, causing the clamping blocks 18 to drive the limiting slide plate 19 to slide on the limiting slide rod 17. The multiple clamping blocks 18 clamp the ends of the reinforcing bar, and the clamping teeth can ensure the clamping effect of the reinforcing bar and provide a stable clamping effect. The hydraulic pump 6 is activated to drive the precision lead screw 5 to rotate, which allows the moving plate 8 to slide on the slide rod 4, thus completing the stretching action. During the vertical movement test, the hydraulic cylinder 28 is activated to push the upper clamping seat 16 to move via the upper horizontal plate 25 and the upright rod 26, assisting in the movement test. The test data can be recorded and processed by the control host 15 and displayed in real time. At the same time, the rocker arm 14 facilitates the adjustment of the position of the control host 15, and the protective door 12 is opened to facilitate the loading and unloading of the sample. During the test, the protective door 12 is closed. The guardrail 11 and the protective door 12 can protect the area above the workbench 1 during the test, preventing debris generated during the test from causing injury to the test personnel.

[0023] The hydraulic pump 6, control host 15, clamping hydraulic cylinder 24 and hydraulic cylinder 28 of this utility model intelligent universal material testing machine for reinforcing bars are purchased from the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0024] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A steel bar intelligent universal material testing machine, characterized in that, It includes a worktable (1), a base (2), a stretching component, a clamping component and a protective component. The worktable (1) is installed on the top of the base (2). The protective component is installed on the top of the worktable (1). The stretching component is installed on the top of the worktable (1) inside the protective component. The clamping component is installed on the top of the worktable (1) and on the stretching component.

2. The intelligent universal testing machine for reinforcing bars as described in claim 1, characterized in that, The protective components include a protective frame (9), a top box (10), multiple guardrails (11) and two protective doors (12). The protective frame (9) is installed on the top of the workbench (1), the top box (10) is installed on the top of the protective frame (9), multiple guardrails (11) are installed on the outer wall of the protective frame (9), and protective doors (12) are hinged to the left and right sides of the front end of the protective frame (9).

3. The intelligent universal testing machine for reinforcing bars as described in claim 2, characterized in that, The tensioning component includes two sets of slide rods (4), two precision lead screws (5), two hydraulic pumps (6), an oil tank (7), and a moving plate (8). The two sets of slide rods (4) are installed on the top left and right sides of the workbench (1). The top of the slide rods (4) is connected to the top of the protective frame (9). The precision lead screws (5) are rotatably installed on the top left and right sides of the top of the workbench (1). The top of the precision lead screws (5) is rotatably connected to the top of the protective frame (9). The hydraulic pumps (6) are installed at the bottom of the workbench (1). The output end of the hydraulic pumps (6) is connected to the input end of the precision lead screws (5). An oil tank (7) is installed inside the base (2). The middle part of the moving plate (8) is screwed onto the outer wall of the precision lead screws (5). The front and rear ends of the moving plate (8) are slidably installed on the outer wall of the slide rods (4).

4. The intelligent universal testing machine for reinforcing bars as described in claim 3, characterized in that, The clamping components include a clamping seat (16), multiple limiting slide rods (17), multiple clamping blocks (18), multiple limiting slide plates (19), a push plate (20), multiple sets of fixing plates (21), multiple crossbars (22), multiple connecting plates (23), a clamping hydraulic cylinder (24), an upper horizontal plate (25), a vertical rod (26), and a lower horizontal plate (27). The clamping seat (16) is installed at the top of the worktable (1) and in the middle of the moving plate (8). The clamping seat (16) has a clamping cavity, and multiple sliding grooves are provided on the inner wall of the clamping cavity. The limiting slide rods (17) are installed in the sliding grooves. The limiting slide plates (19) are installed on the outer wall of the clamping blocks (18). The limiting slide plates (19) are slidably installed on the outer wall of the limiting slide rods (17). Multiple clamping cylinders are provided on the inner wall of the clamping blocks (18). A sliding cavity is provided at the end of the clamping block (18) away from the clamping seat (16). A connecting plate (23) is installed in the sliding cavity. Multiple sets of fixing plates (21) are installed on the push plate (20). A crossbar (22) is installed between two fixing plates (21). The connecting plate (23) is slidably installed on the outer wall of the crossbar (22). Multiple uprights (26) are installed at the ends of the two clamping seats (16) that are far apart. An upper horizontal plate (25) is installed on the upper upright (26). The lower upright (26) is installed on the lower horizontal plate (27). The lower horizontal plate (27) is installed on the inner walls of the front and rear ends of the base (2). The clamping hydraulic cylinder (24) is installed in the middle of the upper horizontal plate (25) and the lower horizontal plate (27). The telescopic end of the clamping hydraulic cylinder (24) is connected to the outer wall of the push plate (20).

5. The intelligent universal testing machine for reinforcing bars as described in claim 4, characterized in that, It also includes a hydraulic cylinder (28), which is installed at the top of the top box (10). The telescopic end of the hydraulic cylinder (28) is connected to the top of the upper horizontal plate (25), and the two clamping seats (16) have insertion slots at opposite ends.

6. The intelligent universal testing machine for reinforcing bars as described in claim 4, characterized in that, It also includes two sets of guide slide rods (29). Multiple guide slide rods (29) are axially and evenly installed on the outer wall of the push plate (20). The upper and lower sets of guide slide rods (29) are slidably installed on the upper horizontal plate (25) and the lower horizontal plate (27), respectively.

7. The intelligent universal testing machine for reinforcing bars as described in claim 1, characterized in that, It also includes a rocker arm (14) and a control host (15). The rocker arm (14) is installed on the front end of the right side wall of the base (2), and the control host (15) is installed on the other end of the rocker arm (14).

8. The intelligent universal testing machine for reinforcing bars as described in claim 1, characterized in that, It also includes multiple support legs (3) and a box door (13). The multiple support legs (3) are respectively installed at the four corners of the bottom of the base (2), and the box door (13) is installed at the front end of the base (2).

Citation Information

Patent Citations

  • Reinforcing steel bar strength testing machine for engineering material detection

    CN220380878U