Portable steel bar strength detector

Abstract

The utility model discloses a portable reinforcing steel bar strength detector, including bottom plate, bracing frame, carrier roller, bracket and extrusion mechanism, bracing frame is fixed in the center of bottom plate, extrusion mechanism is provided on the top wall of bracing frame, the bracket is symmetrically provided on bottom plate, the carrier roller is rotatingly provided on the bracket, the both ends of bottom plate are provided with limit end plate in sliding mode, the limit end plate is fixed on the top wall of bottom plate. A limiting end plate is fixed to the bottom plate, a sleeving plate is fixed to the limiting end plate, two sets of parallel and symmetrical external connecting plates are fixed to the outer side wall of the bottom plate, a first bidirectional lead screw is rotationally arranged on the external connecting plates, and the sleeving plate is in threaded connection with the first bidirectional lead screw. The utility model belongs to the technical field of reinforcing steel bar strength detection, and particularly relates to a portable reinforcing steel bar strength detector.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel bar strength detection, in particular to a portable steel bar strength detector. Background Art

[0002] A steel bar strength detector is an auxiliary device used to detect the strength of steel bars. It has been widely used in the field of steel bar strength testing. In the steel bar strength testing work, the existing steel bar strength detector generally uses two rollers to support the steel bar, and then uses a hydraulic cylinder to drive the pressure head to squeeze the steel bar to measure its bending strength. However, in actual use, it is impossible to ensure that the two ends of the steel bar are placed symmetrically. This results in uneven force distribution on the steel bar during testing, seriously affecting the accuracy and reliability of the test results. Since the symmetrical placement of the two ends of the steel bar cannot be guaranteed, the test data may have large deviations and cannot truly reflect the actual bending strength of the steel bar, which brings great trouble to the project quality assessment. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a portable steel bar strength detector, which effectively solves the problem of inconvenience in placing the two ends of the steel bar symmetrically.

[0004] In order to achieve the above functions, the technical solution adopted by the present invention is as follows: a portable steel bar strength detector, including a base plate, a support frame, a roller, a bracket and an extrusion mechanism, the support frame is fixed at the center of the base plate, the extrusion mechanism is arranged on the top wall of the support frame, the bracket is symmetrically arranged on the base plate, the roller is rotatably arranged on the bracket, and a limit end plate is slidingly provided at both ends of the base plate, a socket plate is fixed on the limit end plate, two groups of parallel and symmetrical external plates are fixed on the outer wall of the base plate, a two-way screw 1 is rotatably provided on the external plate, the socket plate and the two-way screw 1 are threadedly connected, and a rotating block 1 is fixed at both ends of the two-way screw 1.

[0005] Preferably, the extrusion mechanism includes a cylinder, a mounting plate, a pressure sensor and a pressure head. The cylinder is vertically fixed on the top wall of the support frame, the mounting plate is fixed to the bottom of the movable end of the cylinder, the top of the pressure sensor is installed on the bottom of the mounting plate, and the pressure head is installed at the bottom of the pressure sensor.

[0006] Preferably, a fixed mounting plate is fixed on the bottom plate just below the pressure head, and a distance sensor is mounted on the fixed mounting plate.

[0007] Preferably, an arc-shaped pressing groove is provided at the bottom of the pressing head.

[0008] Preferably, an embedding groove is provided under the top wall of the base plate, two groups of moving blocks are slidingly provided in the embedding groove, the bracket is fixed on the top wall of the moving block, a two-way screw 2 is rotatably provided on the embedding groove and passes through the moving block, the moving block and the two-way screw 2 are threadedly connected, and rotating blocks 2 are fixed at both ends of the two-way screw 2.

[0009] Preferably, the limiting end plate is slidably arranged in the embedding groove.

[0010] Preferably, a display screen, a controller and a battery box are provided on both side walls of the support frame, the controller and the display screen, the pressure sensor, the distance sensor and the battery box are electrically connected, and a charging interface is provided on the battery box.

[0011] Preferably, a handle is provided on the top wall of the support frame.

[0012] The utility model adopts the above structure to achieve the following beneficial effects: by rotating the rotating block, the bidirectional screw is driven to rotate, and the bidirectional screw drives the sleeve plate and the limit end plate closer to each other, the limit end plate is pressed against the two ends of the steel bar, thereby symmetrically placing the two ends of the steel bar on the rollers, so that the steel bar is evenly stressed during the inspection process, thereby improving the accuracy and reliability of the inspection results. Accurate inspection data provides a solid basis for controlling the quality of the project; inspectors do not need to spend too much time and energy to adjust the position of the steel bar, which improves the efficiency of the inspection work and saves manpower and time costs; each inspection can be carried out under the same symmetrical conditions, enhancing the repeatability and stability of the inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a portable steel bar strength detector proposed in this utility model. Figure 1 ;

[0014] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0015] Figure 3 This is a top view of a portable steel bar strength detector proposed by the present utility model;

[0016] Figure 4 This is a cross-sectional view of a portable steel bar strength detector proposed by the present utility model;

[0017] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0018] Figure 6 This is a schematic diagram of the overall structure of a portable steel bar strength detector proposed in this utility model. Figure 2 .

[0019] Among them, 1. base plate, 2. support frame, 3. roller, 4. bracket, 5. extrusion mechanism, 6. limit end plate, 7. external plate, 8. two-way screw 1, 9. turn block 1, 10. socket plate, 11. cylinder, 12. installation connecting plate, 13. pressure sensor, 14. pressure head, 15. embedding groove, 16. moving block, 17. two-way screw 2, 18. turn block 2, 19. pressure groove, 20. fixed mounting plate, 21. distance sensor, 22. controller, 23. battery box, 24. charging port, 25. handle, 26. display screen. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The present invention will be further described below in conjunction with the accompanying drawings.

[0022] like Figure 1-6 As shown, the utility model proposes a portable steel bar strength detector, including a base plate 1, a support frame 2, a roller 3, a bracket 4 and an extrusion mechanism 5. The support frame 2 is fixed at the center of the base plate 1, the extrusion mechanism 5 is arranged on the top wall of the support frame 2, the bracket 4 is symmetrically arranged on the base plate 1, and the roller 3 is rotatably arranged on the bracket 4. Limiting end plates 6 are slidingly provided at both ends of the base plate 1, and a socket plate 10 is fixed on the limiting end plate 6. Two groups of parallel and symmetrical external plates 7 are fixed on the outer wall of the base plate 1. A two-way screw 8 is rotatably provided on the external plate 7. The socket plate 10 and the two-way screw 8 are threadedly connected. A rotating block 9 is fixed at both ends of the two-way screw 8. Rotating the rotating block 9 drives the two-way screw 8 to rotate, and the two-way screw 8 drives the socket plate 10 and the limiting end plate 6 to approach each other, pressing the limiting end plate 6 tightly against the two ends of the steel bar, thereby symmetrically placing the two ends of the steel bar on the roller 3.

[0023] like Figure 1 、 4As shown in Figure 6, the extrusion mechanism 5 includes a cylinder 11, a mounting plate 12, a pressure sensor 13 and a pressure head 14. The cylinder 11 is vertically fixed on the top wall of the support frame 2, the mounting plate 12 is fixed to the bottom of the movable end of the cylinder 11, the top of the pressure sensor 13 is installed at the bottom of the mounting plate 12, and the pressure head 14 is installed at the bottom of the pressure sensor 13. The cylinder 11 drives the mounting plate 12 and the pressure head 14 to extrude the steel bar downward as a whole. An arc-shaped pressing groove 19 is provided at the bottom of the pressure head 14 to facilitate limiting the two sides of the steel bar to prevent displacement during the extrusion process.

[0024] like Figure 1 、 6 As shown, a fixed mounting plate 20 is fixed on the bottom plate 1 just below the pressure head 14 , and a distance sensor 21 is installed on the fixed mounting plate 20 . When the steel bar is bent, the bottom end will arch up, and the bending distance is detected by the distance sensor 21 .

[0025] like Figure 1-6 As shown, an embedding groove 15 is provided under the top wall of the bottom plate 1, and two groups of moving blocks 16 are slidingly provided in the embedding groove 15. The bracket 4 is fixed on the top wall of the moving block 16. A two-way screw 17 is rotatably provided on the embedding groove 15 and passes through the moving block 16. The moving block 16 and the two-way screw 17 are threadedly connected. A rotating block 18 is fixed at both ends of the two-way screw 17. Rotating the rotating block 18 drives the two-way screw 17 to rotate, and the two-way screw 17 drives the moving block 16, the bracket 4 and the roller 3 to move. The position of the roller 3 is adjusted according to the length of the steel bar. The limiting end plate 6 is slidably provided in the embedding groove 15 to increase the stability of the limiting end plate 6.

[0026] like Figure 1 、 4 As shown in Figure 6, display screens 26, controllers 22 and battery boxes 23 are provided on both side walls of the support frame 2. The controller 22 and the display screen 26, the pressure sensor 13, the distance sensor 21 and the battery box 23 are electrically connected. A charging interface 24 is provided on the battery box 23 for easy charging. A handle 25 is provided on the top wall of the support frame 2 for easy movement or transportation of the detector as a whole, making it more convenient to use.

[0027] When in use, the device is moved to a suitable position by the handle 25, and the rotating block 2 18 is rotated to drive the two-way screw 2 17 to rotate, and the two-way screw 2 17 drives the moving block 16, the bracket 4 and the roller 3 to move, and the position of the roller 3 is adjusted according to the length of the steel bar, and the steel bar is supported and placed by the two rollers 3, and then the cylinder 11 is controlled by the controller 22 to drive the pressure head 14 downward, and the steel bar is placed in the pressing groove 19 without pressing the top wall of the pressing groove 19. The pressure head 14 stops pressing down, and the rotating block 1 9 drives the two-way screw 1 8 to rotate, and the two-way screw 1 8 drives the socket plate 10 and the limit end plate 6 to move closer to each other, so that the limit end plate 6 is close to the two ends of the steel bar, thereby placing the two ends of the steel bar symmetrically on the roller 3, and then gently rotate the rotating block 1 9 in the opposite direction, repeating the above operation, so that the limit end plate 6 moves away, and the pressure head 14 squeezes the steel bar downward again, and the steel bar is bent until it breaks. The distance sensor 21 detects the bending distance, and the pressure sensor 13 detects the compressive strength, which is displayed in real time on the display screen 26 to detect the bending strength of the steel bar.

[0028] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A portable steel bar strength detector, comprising a base plate (1), a support frame (2), a roller (3), a bracket (4) and a squeezing mechanism (5), wherein the support frame (2) is fixed at the center of the base plate (1), the squeezing mechanism (5) is arranged on the top wall of the support frame (2), the bracket (4) is symmetrically arranged on the base plate (1), and the roller (3) is rotatably arranged on the bracket (4), characterized in that: Limiting end plates (6) are slidably provided at both ends of the base plate (1), and a sleeve plate (10) is fixed on the limiting end plate (6). Two sets of parallel and symmetrical external plates (7) are fixed on the outer side wall of the base plate (1), and a bidirectional lead screw (8) is rotatably provided on the external plate (7). The sleeve plate (10) and the bidirectional lead screw (8) are threadedly connected, and a rotating block (9) is fixed at both ends of the bidirectional lead screw (8).

2. A portable steel bar strength detector according to claim 1, characterized in that: The extrusion mechanism (5) comprises a cylinder (11), a mounting connecting plate (12), a pressure sensor (13) and a pressure head (14); the cylinder (11) is vertically fixed on the top wall of the support frame (2); the mounting connecting plate (12) is fixed to the bottom of the movable end of the cylinder (11); the top end of the pressure sensor (13) is mounted on the bottom of the mounting connecting plate (12); and the pressure head (14) is mounted on the bottom of the pressure sensor (13).

3. The portable steel bar strength detector according to claim 2, characterized in that: The bottom of the pressure head (14) is provided with an arc-shaped pressure groove (19).

4. The portable steel bar strength detector according to claim 3, characterized in that: A groove (15) is provided under the top wall of the base plate (1), and two groups of moving blocks (16) are slidably provided in the groove (15). The bracket (4) is fixed on the top wall of the moving block (16). A two-way screw (17) that passes through the moving block (16) is rotatably provided on the groove (15). The moving block (16) and the two-way screw (17) are threadedly connected, and two rotating blocks (18) are fixed at both ends of the two-way screw (17).

5. The portable steel bar strength detector according to claim 4, characterized in that: The position-limiting end plate (6) is slidably arranged in the embedding groove (15).

6. The portable steel bar strength detector according to claim 5, characterized in that: A display screen (26), a controller (22) and a battery box (23) are provided on both side walls of the support frame (2); the controller (22) and the display screen (26), the pressure sensor (13), the distance sensor (21) and the battery box (23) are electrically connected; and a charging interface (24) is provided on the battery box (23).

7. The portable steel bar strength detector according to claim 6, characterized in that: A handle (25) is provided on the top wall of the support frame (2).

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