Concrete reinforcement hardness testing device
By setting a rebar limiting groove and an anti-detachment mechanism on the upright plate, combined with a hydraulic telescopic rod and a pressure sensor, the problems of low accuracy and poor adaptability of rebar hardness testing in the existing technology are solved, and rapid and accurate rebar hardness testing is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANTAI YIXIN CONSTR ENG QUALITY INSPECTION CO LTD
- Filing Date
- 2025-01-22
- Publication Date
- 2026-05-05
AI Technical Summary
Existing steel bar hardness testing devices are susceptible to external interference, have poor adaptability, are cumbersome to operate, and are inefficient, making it difficult to meet the needs of modern construction engineering for rapid and accurate testing.
A concrete rebar hardness testing device was designed. By setting rebar limiting grooves and anti-detachment mechanisms on the upright plate, rebars of different specifications can be fixed. Data is collected in real time through hydraulic telescopic rods and pressure sensors, and the rebar hardness value is calculated in combination with the display and control module.
It enables precise testing of steel bars of different specifications, improves testing accuracy and efficiency, and meets the rapid testing needs of modern construction projects.
Smart Images

Figure CN224202941U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building material testing technology, and in particular to a concrete steel reinforcement hardness testing device. Background Technology
[0002] In construction engineering, reinforcing steel bars serve as a crucial framework for concrete structures, and their quality directly impacts the safety and stability of the entire building. The hardness of the reinforcing steel bars is a key indicator of their quality, affecting their tensile strength, yield strength, and other properties, thus determining the reliability of the building under load. Currently, common reinforcing steel bar hardness testing devices have several shortcomings, such as susceptibility to external interference in testing accuracy, poor adaptability to different specifications of reinforcing steel bars, cumbersome operation, and low efficiency, failing to meet the demands of modern construction engineering for rapid and accurate testing. Therefore, this paper presents a concrete reinforcing steel bar hardness testing device. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides a concrete rebar hardness testing device. By setting a rebar limiting groove on the upright plate, rebars of different specifications can be placed and fixed in parallel. By finely adjusting the height of the upright plate, the test head can be kept in contact with the rebar. The pressure sensor collects pressure data in real time and transmits it to the display control module. The display control module calculates the rebar hardness value according to the built-in algorithm and displays it on the screen, thus realizing the testing of rebar hardness and overcoming the shortcomings of existing technologies.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A concrete rebar hardness testing device includes a support platform. A vertical plate is provided on one side of the upper end face of the support platform. A rebar limiting groove is provided on the top of the vertical plate. A detection port is provided on the vertical plate and on one side of the rebar limiting groove. An anti-detachment mechanism is provided on the vertical plate and on the other side of the rebar limiting groove. A fixing block is provided on the other side of the upper end face of the support platform. A first hydraulic telescopic rod is fixed on one side of the fixing block. One end of the first hydraulic telescopic rod is connected to a testing component. Support legs are fixed on both sides of the lower end face of the support platform.
[0006] As a further embodiment of this utility model: the anti-detachment mechanism includes a U-shaped rod fixed to the top of one side of the upright plate, a second hydraulic telescopic rod fixed to the inner side of the U-shaped rod, a locking block provided at one end of the second hydraulic telescopic rod, and an insertion hole provided on the upright plate, with the locking block movably inserted into the insertion hole.
[0007] As a further improvement of this utility model: the lower end face of the locking block is provided with an inclined surface, and the inclined surface faces the detection port.
[0008] As a further improvement of this utility model: the test assembly includes a pressure sensor fixed to the end of the first hydraulic telescopic rod, and a test head is installed at one end of the pressure sensor.
[0009] As a further embodiment of this utility model: a display control module is fixed on the upper surface of the support platform, and the pressure sensor is electrically connected to the display control module.
[0010] As a further embodiment of this utility model: a strip-shaped hole is provided on the support platform, the upright plate is movably inserted into the strip-shaped hole, a fixing plate is installed on the lower end face of the support platform and below the strip-shaped hole, an adjusting bolt is screwed to the upper end of the fixing plate, and the upper end of the adjusting bolt is rotatably connected to the lower middle part of the upright plate through a bearing.
[0011] The beneficial effects of this utility model are as follows:
[0012] By setting a rebar limiting groove on the upright plate, rebars of different specifications can be placed and fixed in parallel. By finely adjusting the height of the upright plate, the test head can be kept in contact with the rebar. The pressure sensor collects pressure data in real time and transmits it to the display control module. The display control module calculates the rebar hardness value according to the built-in algorithm and displays it on the screen, thus realizing the test of rebar hardness. Attached Figure Description
[0013] Figure 1 This is a first-view three-dimensional structural diagram of a concrete steel reinforcement hardness testing device proposed in this utility model.
[0014] Figure 2 This is a second-view three-dimensional structural diagram of a concrete steel reinforcement hardness testing device proposed in this utility model.
[0015] Figure 3 This is a third-view three-dimensional structural diagram of a concrete steel reinforcement hardness testing device proposed in this utility model.
[0016] Figure 4 This utility model proposes a concrete steel reinforcement hardness testing device. Figure 1 Enlarged structural diagram at point A in the middle.
[0017] In the diagram: 1. Support platform; 2. Support leg; 3. Vertical plate; 4. Rebar limiting groove; 5. Test head; 6. First hydraulic telescopic rod; 7. Pressure sensor; 8. Strip hole; 9. Fixing plate; 10. Adjusting bolt; 11. Display control module; 12. Fixing block; 13. U-shaped rod; 14. Second hydraulic telescopic rod; 15. Detection port; 16. Locking block; 17. Insertion hole. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Example 1, referring to Figure 1-4 A concrete rebar hardness testing device includes a support platform 1, an upright plate 3 on one side of the upper end face of the support platform 1, a rebar limiting groove 4 on the top of the upright plate 3, a detection port 15 on the upright plate 3 and located on one side of the rebar limiting groove 4, an anti-detachment mechanism on the upright plate 3 and located on the other side of the rebar limiting groove 4, a fixing block 12 on the other side of the upper end face of the support platform 1, a first hydraulic telescopic rod 6 fixed on one side of the fixing block 12, a testing component connected to one end of the first hydraulic telescopic rod 6, and support legs 2 fixed on both sides of the lower end face of the support platform 1.
[0020] The anti-detachment mechanism includes a U-shaped rod 13 fixed to the top of one side of the upright plate 3. A second hydraulic telescopic rod 14 is fixed to the inner side of the U-shaped rod 13. A locking block 16 is provided at one end of the second hydraulic telescopic rod 14. An insertion hole 17 is provided on the upright plate 3. The locking block 16 is movably inserted into the insertion hole 17.
[0021] The lower end face of the locking block 16 is provided with an inclined surface, and the inclined surface faces the detection port 15.
[0022] The test assembly includes a pressure sensor 7 fixed to the end of the first hydraulic telescopic rod 6, with a test head 5 mounted on one end of the pressure sensor 7.
[0023] A display control module 11 is fixed on the upper surface of the support platform 1, and the pressure sensor 7 is electrically connected to the display control module 11.
[0024] The reinforcing bar is placed in the reinforcing bar limiting groove 4. The second hydraulic telescopic rod 14 is used to push the locking block 16 to move above the reinforcing bar. The angle of the locking block 16 contacts the reinforcing bar, which can press the reinforcing bar tightly. The first hydraulic telescopic rod 6 is used to push the test head 5 to squeeze the reinforcing bar at the detection port 15. The pressure sensor 7 collects pressure data in real time and transmits it to the display control module 11. The display control module 11 calculates the hardness value of the reinforcing bar according to the built-in algorithm and displays it on the display screen, thereby realizing the test of the hardness of the reinforcing bar.
[0025] Example 2 is an optimization based on Example 1, specifically:
[0026] The support platform 1 has a strip hole 8, and the upright plate 3 is movably inserted into the strip hole 8. A fixing plate 9 is installed on the lower end face of the support platform 1 and below the strip hole 8. An adjusting bolt 10 is screwed to the upper end of the fixing plate 9. The upper end of the adjusting bolt 10 is rotatably connected to the lower middle part of the upright plate 3 through a bearing.
[0027] The height of the upright plate 3 can be finely adjusted by turning the adjusting bolt 10 with a wrench. When placing steel bars of different specifications in the steel bar limiting groove 4, the height of the steel bars can be adjusted by adjusting the height of the upright plate 3, so as to ensure that the test head 5 can accurately contact the steel bars.
[0028] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A concrete reinforcement hardness testing device, comprising a support platform (1), characterized in that, A vertical plate (3) is provided on one side of the upper end face of the support platform (1). A rebar limiting groove (4) is provided on the top of the vertical plate (3). A detection port (15) is provided on the vertical plate (3) and on one side of the rebar limiting groove (4). An anti-detachment mechanism is provided on the vertical plate (3) and on the other side of the rebar limiting groove (4). A fixing block (12) is provided on the other side of the upper end face of the support platform (1). A first hydraulic telescopic rod (6) is fixed on one side of the fixing block (12). A test component is connected to one end of the first hydraulic telescopic rod (6). Legs (2) are fixed on both sides of the lower end face of the support platform (1).
2. The concrete reinforcement hardness testing device according to claim 1, characterized in that, The anti-detachment mechanism includes a U-shaped rod (13) fixed to the top of one side of the upright plate (3), a second hydraulic telescopic rod (14) fixed to the inner side of the U-shaped rod (13), a locking block (16) provided at one end of the second hydraulic telescopic rod (14), and an insertion hole (17) provided on the upright plate (3), and the locking block (16) is movably inserted into the insertion hole (17).
3. The concrete reinforcement hardness testing device according to claim 2, characterized in that, The lower end face of the locking block (16) is provided with an inclined surface, and the inclined surface faces the detection port (15).
4. The concrete reinforcement hardness testing device according to claim 1, characterized in that, The test assembly includes a pressure sensor (7) fixed to the end of the first hydraulic telescopic rod (6), and a test head (5) is mounted on one end of the pressure sensor (7).
5. A concrete reinforcement hardness testing device according to claim 4, characterized in that, The upper surface of the support platform (1) is fixed with a display control module (11), and the pressure sensor (7) is electrically connected to the display control module (11).
6. The concrete reinforcement hardness testing device according to claim 1, characterized in that, The support platform (1) has a strip hole (8), and the upright plate (3) is movably inserted into the strip hole (8). A fixing plate (9) is installed on the lower end face of the support platform (1) and below the strip hole (8). An adjusting bolt (10) is screwed to the upper end of the fixing plate (9). The upper end of the adjusting bolt (10) is rotatably connected to the lower middle part of the upright plate (3) through a bearing.