Multi-angle adjustable concrete rebound apparatus
By designing a universal ball mount device on the concrete rebounder, multi-angle adjustment is achieved, which solves the problem of fixed impact angle of the existing rebounder and improves the applicability of the test and the comprehensiveness of the data.
Patent Information
- Application Number
- CN202420948375.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-30
AI Technical Summary
When used, the existing concrete rebound instrument has a fixed hit angle and cannot be adjusted from multiple angles, which is inconvenient to use, especially when detecting irregular surface concrete.
A multi-angle adjustable concrete rebound hammer is designed. By setting a universal ball frame device on the upper end of the frame, including a spherical frame, a limit ejector device and an operating handle device, the multi-angle adjustment of the rebound hammer is realized.
By adjusting the universal ball frame device, the test direction of the rebound tester can be adjusted at multiple angles at any time, which has a wider application range, can effectively detect concrete with irregular surfaces, makes the test data more comprehensive, and is more convenient to use.
Smart Images

Figure CN222379513U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete structure strength detection devices, in particular to a multi-angle adjustable concrete rebound tester. Background Art
[0002] The concrete rebound test hammer is a testing device suitable for testing the strength of general building components, bridges and various concrete components. Its main technical indicators include impact function and spring stiffness. Existing ordinary rebound test hammers are generally simple spring hammer components when used. The striking angle relative to the base is fixed and cannot be adjusted, or it needs to be adjusted through the complex adjustment structure of the base support feet. It is inconvenient to use and needs to be improved. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above-mentioned background technology, an improved multi-angle adjustable concrete rebound test hammer is provided.
[0004] The utility model solves the technical problem by adopting the following technical solution: a multi-angle adjustable concrete rebound tester, comprising a frame, the upper end of the frame is connected to the rebound tester through a universal ball frame device, the universal ball frame device comprises a spherical frame arranged in a central ball hole at the upper end of the frame, limit push rod devices on the left and right sides of the spherical frame and an operating handle device at the upper end of the spherical frame.
[0005] By adopting the above technical solution, the test direction of the rebound tester can be adjusted at multiple angles at any time by adjusting the universal ball bracket device, and the application range is wider.
[0006] Furthermore, the limit push rod device described in the utility model comprises a screw rod threadedly arranged in the rack holes on the left and right sides of the spherical frame, the inner end of the screw rod is provided with an arc-shaped limiter contacting the spherical frame, and the outer end of the screw rod is connected with an adjusting nut;
[0007] By adopting the above technical solution, the two arc limiters on the left and right can limit the spherical frame. By adjusting the nut to tighten the screw, the spherical frame can be locked. By slightly loosening it, the force direction can be adjusted by rotating it at multiple angles.
[0008] Furthermore, the operating handle device described in the utility model includes a "U"-shaped plate fixedly mounted on the top of the spherical frame, and spherical handle pieces are arranged at the left and right ends of the "U"-shaped plate.
[0009] Furthermore, the top of the rebound tester described in the utility model is connected to the spherical frame through a connecting box, and the connecting box is fastened by fixing a horizontal rod pin and a vertical rod pin inserted in the bottom of the spherical frame, so that the connection is more stable and reliable.
[0010] Furthermore, the lower end of the rebound tester described in the utility model is also provided with a soft dust cover for the working port, which plays a role in splash and dust prevention.
[0011] The beneficial effects of the utility model are as follows: the defects existing in the background technology are solved, and a spherical steering structure is added to the rebound tester frame so that it can be adjusted at multiple angles during operation, and can test irregular surface concrete and different angles of a single test surface, making the test data more comprehensive and more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;
[0013] In the figure: 1. frame, 2. rebound tester, 3. ball frame, 4. screw, 5. arc limiter, 6. adjusting nut, 7. "U"-shaped plate, 8. ball handle, 9. connecting box, 10. cross bar pin, 11. vertical bar pin, 12. soft dust cover for working port. DETAILED DESCRIPTION
[0014] Now the utility model is further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0015] like Figure 1 A multi-angle adjustable concrete rebound tester shown in the figure comprises a frame 1, the upper end of which is connected to a rebound tester 2 via a universal ball frame device, the universal ball frame device comprising a spherical frame 3 arranged in a central ball hole at the upper end of the frame 1, limit push rod devices on the left and right sides of the spherical frame 3, and an operating handle device at the upper end of the spherical frame 3.
[0016] Among them, the limiting push rod device includes a screw rod 4 threadedly arranged in the frame holes on the left and right sides of the spherical frame 3, an arc-shaped limiter 5 contacting the spherical frame 3 is arranged at the inner end of the screw rod 4, and an adjusting nut 6 is connected to the outer end of the screw rod 4; the operating handle device includes a "U"-shaped plate 7 fixedly installed on the top of the spherical frame 3, and spherical handle pieces 8 are arranged at the left and right ends of the "U"-shaped plate 7.
[0017] The top of the rebound tester 2 is connected to the spherical frame 3 through a connecting box 9, and the connecting box 9 is fastened by fixing a horizontal rod pin 10 and a vertical rod pin 11 inserted into the bottom of the spherical frame 3, so that the connection is more stable and reliable.
[0018] The lower end of the rebound tester 2 is also provided with a working port soft dust cover 12 to prevent splashing and dust.
[0019] Working principle:
[0020] The two arc limiters on the left and right can limit the ball frame. By adjusting the nut to tighten the screw, the ball frame can be locked. By slightly loosening it, the force direction can be adjusted by rotating it at multiple angles. By adjusting the universal ball frame device, the test direction of the rebound tester can be adjusted at multiple angles at any time, which has a wider range of applications.
[0021] The above description only describes the specific implementation methods of the utility model. Various examples do not limit the essential content of the utility model. Ordinary technicians in the relevant technical field can modify or deform the specific implementation methods described above after reading the description without departing from the essence and scope of the utility model.
Claims
1. A multi-angle adjustable concrete rebound test hammer, characterized by: The machine frame (1) comprises a frame (1), the upper end of which is connected to a rebound tester (2) via a universal ball frame device, wherein the universal ball frame device comprises a spherical frame (3) arranged in a central ball hole at the upper end of the frame (1), limit push rod devices at the left and right sides of the spherical frame (3), and an operating handle device at the upper end of the spherical frame (3).
2. The multi-angle adjustable concrete rebound test hammer according to claim 1, characterized in that: The limit push rod device comprises a screw rod (4) threadedly arranged in the frame holes on the left and right sides of the spherical frame (3), an arc-shaped limiter (5) contacting the spherical frame (3) is arranged at the inner end of the screw rod (4), and an adjusting nut (6) is connected to the outer end of the screw rod (4).
3. The multi-angle adjustable concrete rebound test hammer according to claim 1, characterized in that: The operating handle device comprises a "U"-shaped plate (7) fixedly mounted on the top of the spherical frame (3), and spherical handle members (8) are arranged at the left and right ends of the "U"-shaped plate (7).
4. The multi-angle adjustable concrete rebound test hammer according to claim 1, characterized in that: The top of the rebound tester (2) is connected to the spherical frame (3) through a connecting box (9), and the connecting box (9) is fastened by a horizontal rod pin (10) and a vertical rod pin (11) fixedly inserted into the bottom of the spherical frame (3).
5. The multi-angle adjustable concrete rebound test hammer according to claim 1, characterized in that: The lower end of the rebound tester (2) is also provided with a working opening soft dust cover (12).