Positioning structure and concrete strength detection device thereof

By introducing a positioning structure into the concrete strength testing device, the rebound hammer is ensured to be tested at the center of the square testing slot each time, solving the problem of inaccurate manual positioning and improving the detection precision and data accuracy.

CN223413093UActive Publication Date: 2025-10-03TIANJIN URBAN CONSTR BINHAI ROAD & BRIDGE
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Patent Information

Application Number
CN202421939503.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-10-03
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

During the concrete strength test, it is difficult for manual operation to accurately position the rebound hammer to the center position, resulting in large errors in the test data.

Method used

A positioning structure is adopted, including a test plate, a moving component, a positioning pin unit and an adsorption component. The sliding ring unit and the positioning pin unit are used to position the test plate at the center of the square test slot, ensuring that the rebound hammer is located at the center every time it is tested.

Benefits of technology

The precision of concrete strength testing and the accuracy of data are improved, the operation is faster and human errors are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete strength detection, and discloses a positioning structure and a concrete strength detection device thereof, the positioning structure comprises a detection plate, the detection plate is uniformly provided with a plurality of square detection grooves; the moving assembly comprises a moving frame and a sliding ring unit, and the sliding ring unit comprises a positioning circular ring; the positioning plug pin unit comprises a mounting frame and a pin rod; and a limiting plate. The rebound apparatus is pressed at the central position of the square detection groove for detection, and the sliding ring unit is positioned at the central position of each row of square detection groove by arranging the positioning plug pin unit, so that the experiment precision is improved, the data accuracy is improved, the operation is faster, the moving assembly is horizontally moved, and the detection efficiency is improved. And a convex cap and a limiting plate are arranged, and a positioning hole is formed to position and stop the moving assembly on a central shaft of each column of square detection grooves, so that the rebound apparatus is ensured to detect at the central position of the square detection grooves each time.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete strength detection, in particular to a positioning structure and a concrete strength detection device thereof. Background Art

[0002] When engineering supervisors test the strength of concrete, they often use a rebound hammer, which is used to press the concrete at specified locations to measure the strength of the concrete.

[0003] During the testing process, the rebound hammer is usually manually pressed to the center of the test area. Due to the high risk of false touches during manual operation, it is difficult to locate the center every time, resulting in errors in the test data.

[0004] Therefore, those skilled in the art provide a positioning structure and a concrete strength detection device thereof to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a road and bridge guardrail that solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A positioning structure comprises: a detection plate, which is evenly provided with a plurality of square detection grooves; a moving component, which is slidably arranged at the front end of the detection plate, and the moving component comprises a moving frame and a sliding ring unit, the front end of the moving frame is provided with a rectangular groove, the sliding ring unit is movably engaged in the rectangular groove, and the sliding ring unit comprises a positioning ring; a positioning pin unit, which is provided on the moving frame and is used to position and fix the sliding ring unit, and the positioning pin unit comprises a mounting frame and a pin rod; a limiting plate, which is fixedly installed on the top end of the detection plate, and is provided with a positioning hole, and a convex cap is provided at the top end of the moving frame, and the convex cap can be movably engaged in the positioning hole for positioning the moving component during horizontal movement.

[0008] According to the positioning structure, adsorption components are fixedly installed on both sides of the detection plate, and the adsorption components include suction cups and handles.

[0009] According to the positioning structure, a protrusion is fixedly installed on the bottom end of the detection plate, the number of the protrusions is two, and a guide rod is fixedly installed between the two protrusions.

[0010] According to the positioning structure, the movable frame is U-shaped, a through hole is provided at one end of the movable frame, the guide rod movably passes through the movable frame through the through hole, an installation groove is provided on the outer wall surface of one side of the movable frame, the convex cap is movably engaged in the installation groove, and a first spring is fixedly connected between the convex cap and the installation groove.

[0011] According to the positioning structure, sliding grooves are provided on both side walls of the movable frame rectangular groove, and a slider is fixedly connected to the outer wall of the positioning ring. The slider is symmetrical on the outer wall of the positioning ring, and one end of the slider is movably engaged in the corresponding sliding groove.

[0012] According to the positioning structure, a pin hole is opened on one side wall of the slider, the mounting frame is fixedly mounted on the outer wall of the movable frame, the pin rod is located in the cavity of the mounting frame, one end of the pin rod movably penetrates the movable frame and the pin hole to limit and fix the slider, the end of the pin rod away from the movable frame is fixedly connected to a pull rod, the pull rod movably penetrates the mounting frame, a second spring is sleeved on the outer wall of the pull rod, and the second spring is located between the pin rod and the mounting frame.

[0013] According to the positioning structure, the number of the positioning holes is the same as the number of columns of the square detection slots on the detection board, the positioning holes are located on the central axis of a corresponding column of square detection slots, the number of the positioning pin units is the same as the number of rows of the square detection slots on the detection board, and the symmetry axis of the positioning pin unit is on the same horizontal plane as the central axis of a corresponding row of square detection slots.

[0014] A concrete strength testing device includes a rebound hammer and the positioning structure described above. The positioning structure is adsorbed on the concrete wall surface through an adsorption component. The rebound hammer cooperates with the positioning structure to perform strength testing on the concrete.

[0015] The utility model provides a positioning structure and a concrete strength detection device thereof, which has the following beneficial effects:

[0016] (1) In the process of testing the strength of concrete, the engineering supervisor uses a rebound hammer for non-destructive testing. By using a test plate, a plurality of square test slots are evenly opened on the test plate, and the rebound hammer is used for testing at the center of the square test slot. By setting a moving component at the front end of the test plate, the sliding ring unit slides in the rectangular slot of the moving frame, and the position of the sliding ring unit is positioned at the center of each row of square test slots by setting a positioning pin unit, thereby improving the accuracy of the experiment, improving the accuracy of the data, and making the operation faster. The moving component is moved horizontally, and a convex cap and a limit plate are set. The positioning hole is set to position the moving component and stop it on the central axis of each column of square test slots, thereby ensuring that the rebound hammer is at the center of the square test slot every time it is tested.

[0017] (2) The movable frame is set to be U-shaped, and a through hole is provided at one end of the movable frame. The guide rod movably penetrates the movable frame through the through hole. The movable frame moves along the guide rod during the movement. A mounting groove is provided on the outer wall of one side of the movable frame, and the convex cap is movably engaged in the mounting groove. A first spring is fixedly connected between the convex cap and the mounting groove. After pressing the convex cap, the first spring is compressed, and the convex cap is engaged in the mounting groove. A slider is fixedly connected on the outer wall of the positioning ring, and the slider is movably engaged in the slide groove. The positioning ring moves up and down in the rectangular groove of the movable frame, and the position is conveniently adjusted.

[0018] (3) A pin hole is provided on one side wall of the slider, and the mounting frame is fixedly mounted on the moving frame. One end of the pin rod is movable through the moving frame and engaged in the pin hole, thereby positioning the positioning ring. The pin rod is driven to move by pulling the pull rod to release the positioning of the positioning ring, and a second spring is provided to facilitate resetting the pin rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the positioning structure;

[0020] Figure 2 Schematic diagram of the three-dimensional structure of the detection board;

[0021] Figure 3 Schematic diagram of the three-dimensional structure of the mobile component;

[0022] Figure 4 Schematic diagram of the three-dimensional structure of the sliding ring unit;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the positioning latch unit.

[0024] Legend:

[0025] 10. Detection plate; 11. Moving assembly; 12. Limiting plate; 13. Adsorption component; 14. Positioning hole; 15. Bump; 16. Guide rod; 17. Moving frame; 18. Bump cap; 19. Through hole; 20. Slide groove; 21. Sliding ring unit; 22. Positioning pin unit; 23. Positioning ring; 24. Slider; 25. Pin hole; 26. Mounting frame; 27. Pin rod; 28. Pull rod; 29. ​​Second spring. DETAILED DESCRIPTION

[0026] like Figure 1-5As shown: a positioning structure, which includes: a detection plate 10, the detection plate 10 is evenly provided with a plurality of square detection grooves; a moving component 11, the moving component 11 is slidably arranged at the front end of the detection plate 10, the moving component 11 includes a moving frame 17 and a sliding ring unit 21, the front end of the moving frame 17 is provided with a rectangular groove, the sliding ring unit 21 is movably engaged in the rectangular groove, and the sliding ring unit 21 includes a positioning ring 23; a positioning pin unit 22, provided on the moving frame 17 for positioning and fixing the sliding ring unit 21, the positioning pin unit 22 includes a mounting frame 26 and a pin rod 27; a limiting plate 12, the limiting plate 12 is fixedly installed on the top end of the detection plate 10, a positioning hole 14 is provided on the limiting plate 12, and a convex cap 18 is provided at the top end of the moving frame 17, the convex cap 18 can be movably engaged in the positioning hole 14, and is used for positioning the moving component 11 during horizontal movement.

[0027] A concrete strength testing device includes a rebound hammer and the positioning structure described above. The positioning structure is adsorbed on the concrete wall surface through an adsorption component 13. The rebound hammer cooperates with the positioning structure to perform strength testing on the concrete.

[0028] Specifically, in the process of testing the strength of concrete, the engineering supervisor performs non-destructive testing by using a rebound hammer. By using a testing plate 10, a plurality of square testing grooves are evenly opened on the testing plate 10, and the rebound hammer is used for testing at the center position of the square testing groove. By setting a moving component 11 at the front end of the testing plate 10, the sliding ring unit 21 slides in the rectangular groove of the moving frame 17, and the position of the sliding ring unit 21 is positioned at the center position of each row of square testing grooves by setting a positioning pin unit 22, thereby improving the accuracy of the experiment, improving the accuracy of the data, and making the operation faster. The moving component 11 is moved horizontally, and a convex cap 18 and a limit plate 12 are set, and a positioning hole 14 is set to position the moving component 11 on the central axis of each column of square testing grooves, thereby ensuring that the rebound hammer is at the center position of the square testing groove every time it is tested.

[0029] Adsorption components 13 are fixedly mounted on both sides of the detection plate 10. The adsorption components 13 include suction cups and handles. Two protrusions 15 are fixedly mounted on the bottom end of the detection plate 10. A guide rod 16 is fixedly mounted between the two protrusions 15.

[0030] Specifically, by setting up an adsorption component 13, the handle presses the suction cup to squeeze out the air, so that the detection plate 10 is adsorbed on the concrete wall through the suction cup, and the protrusion 15 is fixedly installed at the bottom end of the detection plate 10, and a guide rod 16 is fixedly installed between the two protrusions 15, which facilitates the limiting of the movable frame 17.

[0031] The movable frame 17 is U-shaped, with a through-hole 19 extending through one end of the movable frame 17. The guide rod 16 flexibly extends through the through-hole 19 and extends through the movable frame 17. A mounting groove is defined on one outer wall of the movable frame 17, into which a protruding cap 18 flexibly engages. A first spring is fixedly connected between the protruding cap 18 and the mounting groove. Slide grooves 20 are defined on both sides of the rectangular groove of the movable frame 17. Sliders 24 are fixedly connected to the outer wall of the positioning ring 23. The slides 24 are symmetrically arranged on the outer wall of the positioning ring 23, with one end of the slide 24 flexibly engaging within the corresponding slide groove 20.

[0032] Specifically, the movable frame 17 is set to be U-shaped, and a through hole 19 is provided at one end of the movable frame 17. The guide rod 16 movably penetrates the movable frame 17 through the through hole 19. The movable frame 17 moves along the guide rod 16 during the movement. A mounting groove is provided on the outer wall surface of one side of the movable frame 17, and the convex cap 18 is movably engaged in the mounting groove. A first spring is fixedly connected between the convex cap 18 and the mounting groove. After pressing the convex cap 18, the first spring is compressed, and the convex cap 18 is engaged in the mounting groove. The slider 24 is fixedly connected to the outer wall surface of the positioning ring 23, and the slider 24 is movably engaged in the slide groove 20. The positioning ring 23 moves up and down in the rectangular groove of the movable frame 17, and the position is conveniently adjusted.

[0033] A pin hole 25 is provided on one side wall of the slider 24, and the mounting frame 26 is fixedly mounted on the outer wall of the moving frame 17. The pin rod 27 is located in the cavity of the mounting frame 26. One end of the pin rod 27 can move through the moving frame 17 and the pin hole 25 to limit and fix the slider 24. The end of the pin rod 27 away from the moving frame 17 is fixedly connected to a pull rod 28, which can move through the mounting frame 26. A second spring 29 is mounted on the outer wall of the pull rod 28, and the second spring 29 is located between the pin rod 27 and the mounting frame 26.

[0034] Specifically, a pin hole 25 is provided on one side wall of the slider 24, and the mounting frame 26 is fixedly mounted on the movable frame 17. One end of the pin rod 27 is movable through the movable frame 17 and engaged in the pin hole 25, thereby positioning the positioning ring 23. The pin rod 27 is driven to move by pulling the pull rod 28 to release the positioning of the positioning ring 23, and a second spring 29 is provided to facilitate resetting the pin rod 27.

[0035] The number of positioning holes 14 is the same as the number of columns of the rectangular grooves of the detection board 10, and the positioning holes 14 are located on the central axis of a corresponding column of rectangular grooves. The number of positioning pin units 22 is the same as the number of rows of the rectangular grooves of the detection board 10, and the symmetry axis of the positioning pin unit 22 is on the same horizontal plane as the central axis of a corresponding row of rectangular grooves.

[0036] Specifically, by setting the number of positioning holes 14 to be the same as the number of columns of the rectangular slots of the detection plate 10, the positioning holes 14 are located on the central axis of a corresponding column of rectangular slots, the number of positioning pin units 22 is the same as the number of rows of the rectangular slots of the detection plate 10, and the symmetry axis of the positioning pin unit 22 is on the same horizontal plane as the central axis of a corresponding row of rectangular slots, so that each detection is at the center position of the square detection slot.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A positioning structure, characterized in that: include: A detection plate (10), wherein the detection plate (10) is evenly provided with a plurality of square detection slots; A moving assembly (11) is slidably arranged at the front end of the detection plate (10), and the moving assembly (11) includes a moving frame (17) and a sliding ring unit (21). The front end of the moving frame (17) is provided with a rectangular groove, and the sliding ring unit (21) is movably engaged in the rectangular groove. The sliding ring unit (21) includes a positioning ring (23); A positioning latch unit (22) is provided on the movable frame (17) and is used for positioning and fixing the sliding ring unit (21). The positioning latch unit (22) includes a mounting frame (26) and a pin rod (27); A limit plate (12) is fixedly mounted on the top of the detection plate (10), a positioning hole (14) is provided on the limit plate (12), and a convex cap (18) is provided on the top of the moving frame (17), and the convex cap (18) can be movably engaged in the positioning hole (14) and is used for positioning the moving component (11) during horizontal movement.

2. The positioning structure according to claim 1, characterized in that: Adsorption components (13) are fixedly installed on both sides of the detection plate (10), and the adsorption components (13) include suction cups and handles.

3. The positioning structure according to claim 1, wherein: A protrusion (15) is fixedly mounted on the bottom end of the detection plate (10), the number of the protrusions (15) is two, and a guide rod (16) is fixedly mounted between the two protrusions (15).

4. The positioning structure according to claim 1, wherein: The movable frame (17) is U-shaped, and a through hole (19) is provided at one end of the movable frame (17). The guide rod (16) movably passes through the movable frame (17) through the through hole (19). A mounting groove is provided on an outer wall surface of one side of the movable frame (17), and a convex cap (18) is movably engaged in the mounting groove. A first spring is fixedly connected between the convex cap (18) and the mounting groove.

5. The positioning structure according to claim 4, characterized in that: Slide grooves (20) are provided on both side walls of the rectangular groove of the movable frame (17), and a slider (24) is fixedly connected to the outer wall of the positioning ring (23). The slider (24) is symmetrical on the outer wall of the positioning ring (23), and one end of the slider (24) is movably engaged in the corresponding slide groove (20).

6. The positioning structure according to claim 5, characterized in that: A pin hole (25) is provided on one side wall of the slider (24); the mounting frame (26) is fixedly mounted on the outer wall of the moving frame (17); the pin rod (27) is located in the cavity of the mounting frame (26); one end of the pin rod (27) is movable through the moving frame (17) and the pin hole (25) to limit and fix the slider (24); one end of the pin rod (27) away from the moving frame (17) is fixedly connected to a pull rod (28); the pull rod (28) is movable through the mounting frame (26); a second spring (29) is sleeved on the outer wall of the pull rod (28); the second spring (29) is located between the pin rod (27) and the mounting frame (26).

7. The positioning structure according to claim 1, characterized in that: The number of the positioning holes (14) is the same as the number of columns of the square detection slots of the detection plate (10), the positioning holes (14) are located on the central axis of a corresponding column of square detection slots, the number of the positioning pin units (22) is the same as the number of rows of the square detection slots of the detection plate (10), and the symmetry axis of the positioning pin units (22) is on the same horizontal plane as the central axis of a corresponding row of square detection slots.

8. A concrete strength testing device, characterized in that: The invention comprises a rebound hammer and a positioning structure as claimed in any one of claims 1 to 7. The positioning structure is adsorbed on a concrete wall surface through an adsorption component (13). The rebound hammer cooperates with the positioning structure to perform strength testing on the concrete.