Concrete strength detection device

By adding an additional column and a handle to the end of the rebound hammer body, combined with the adjustment components, the convenience of detecting narrow walls and the problem of slippage caused by sweat on the hands are solved, thus achieving accurate detection of narrow walls.

CN224189729UActive Publication Date: 2026-05-01新疆交通检测认证有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
新疆交通检测认证有限公司
Filing Date
2025-04-10
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing concrete strength testing devices are inconvenient to use on narrow walls, and slippage can occur when the user's hands are sweaty, leading to inaccurate measurement data.

Method used

An additional column is added to the end of the rebound hammer body, and a handle is set on the side of the additional column. Combined with the adjustment component and the limiting component, it can be adapted to narrow walls and apply force stably. The position of the handle can be adjusted by adjusting the adjustment component to adapt to walls of different depths.

Benefits of technology

It facilitates testing on narrow walls, ensures the accuracy of test data, and avoids slippage caused by sweaty hands.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete strength detection device and relates to the technical field of concrete detection. The concrete strength detection device comprises a rebound apparatus body, a striking rod is slidably connected in the rebound apparatus body, an additional column is fixedly connected to the rebound apparatus body, a turnover door is arranged at one end, away from the rebound apparatus body, of the additional column, an adjusting block is slidably connected in the additional column, handles are fixedly connected to the two sides of the adjusting block, and the handles are fixedly connected to the two sides of the adjusting block. An adjusting assembly is arranged in the additional column and used for adjusting the position of the adjusting block. The structure that the additional column is additionally arranged at the tail end of the rebound apparatus body is adopted, the rebound apparatus is lengthened so that sampling detection can be conducted on a narrow wall face, meanwhile, the handle is arranged on the side face of the additional column so that a user can stably apply force, detected data can be more accurate, the position of the handle can be conveniently adjusted through the adjusting assembly, and use is convenient. And adaptation to narrow wall surfaces with different depths is facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of concrete testing technology, specifically a concrete strength testing device. Background Technology

[0002] With the development of the construction industry, the requirements for engineering quality are becoming increasingly stringent. Concrete strength, as a key indicator for measuring concrete quality, is crucial to its testing. Modern concrete strength testing devices have been developed against the backdrop of large-scale infrastructure construction and the continuous emergence of high-rise buildings.

[0003] Existing concrete strength testing devices partially employ rebound hammers to test already formed concrete. Utilizing the principle of elastic impact, the rebound distance is positively correlated with concrete strength, facilitating rapid testing. However, when sampling narrow wall surfaces, it's inconvenient for users to insert the device into the narrow space. Furthermore, sweaty hands can cause slippage when using the rebound hammer, leading to inaccurate measurements. To address these shortcomings, this invention provides a concrete strength testing device to solve the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a concrete strength testing device that solves the problems of inconvenience in testing narrow walls and slippage when applying force with sweaty hands.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a concrete strength testing device, comprising a rebound hammer body, a striking rod slidably connected inside the rebound hammer body, an auxiliary column fixedly connected to the rebound hammer body, a flip door provided at the end of the auxiliary column away from the rebound hammer body, an adjusting block slidably connected inside the auxiliary column, handles fixedly connected to both sides of the adjusting block, and an adjusting component provided inside the auxiliary column for adjusting the position of the adjusting block;

[0006] A threaded rod is disposed inside an auxiliary column, and the adjusting block is threadedly connected to the threaded rod.

[0007] The turntable is fixedly connected to the end of the threaded rod away from the body of the rebound spring.

[0008] Preferably, a fixing block is fixedly connected to the bottom of the additional column, and a limit component is provided inside the fixing block. The limit component is used to limit the opening of the flip door.

[0009] The second cavity is located within the fixed block;

[0010] A spring, one end of which is fixedly connected to the second cavity;

[0011] The slider is slidably connected to the second cavity, and the other end of the spring is fixedly connected to the slider;

[0012] The card plate is slidably connected to the second cavity, and the end of the slider away from the spring is fixedly connected to the card plate.

[0013] Preferably, the additional column is provided with a first cavity, and the adjusting block is slidably connected to the first cavity.

[0014] Preferably, a connector is fixedly connected to the additional column, and the flip door is rotatably connected to the connector.

[0015] Preferably, the adjusting block and the handle are integrally formed.

[0016] Preferably, the rebound spring body is equipped with a display.

[0017] This utility model discloses a concrete strength testing device, which has the following beneficial effects: The concrete strength testing device adopts a structure in which an additional column is added to the end of the rebound hammer body, which lengthens the rebound hammer to facilitate sampling and testing on narrow walls. At the same time, a handle is provided on the side of the additional column to facilitate stable force application by the user, making the detected data more accurate. The position of the handle can be easily adjusted by the adjustment component, which is convenient to adapt to narrow walls of different depths. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the adjustment component structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the limiting component structure of this utility model.

[0022] In the diagram: 1. Rebound hammer body; 11. Display; 12. Impact rod; 2. Additional column; 21. First cavity; 22. Fixing block; 23. Connector; 3. Flip door; 4. Adjusting block; 41. Handle; 5. Adjusting assembly; 51. Threaded rod; 52. Turntable; 6. Limiting assembly; 61. Second cavity; 62. Spring; 63. Slider; 64. Clamping plate. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] This application provides a concrete strength testing device that solves the problems of inconvenience in testing narrow walls and slippage when applying force with sweaty hands. It achieves this by adding an additional column to the end of the rebound hammer body, which lengthens the rebound hammer to facilitate sampling and testing on narrow walls. At the same time, a handle is provided on the side of the additional column to help the user apply force stably and make the test data more accurate. The adjustment component allows for easy adjustment of the handle position to adapt to narrow walls of different depths.

[0025] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0026] Example 1;

[0027] This utility model discloses a concrete strength testing device, according to the attached... Figure 1-3 As shown, it includes a rebounder body 1, and a spring rod 12 is slidably connected inside the rebounder body 1. The feature is that an auxiliary column 2 is fixedly connected to the rebounder body 1. A flip door 3 is provided at the end of the auxiliary column 2 away from the rebounder body 1. An adjustment block 4 is slidably connected inside the auxiliary column 2. Handles 41 are fixedly connected to both sides of the adjustment block 4. An adjustment component 5 is provided inside the auxiliary column 2. The adjustment component 5 is used to adjust the position of the adjustment block 4.

[0028] The threaded rod 51 is located inside the auxiliary column 2, and the adjusting block 4 is threadedly connected to the threaded rod 51.

[0029] Turntable 52 is fixedly connected to the end of threaded rod 51 away from the rebound spring body 1.

[0030] The additional column 2 is provided with a first cavity 21, and the adjusting block 4 is slidably connected to the first cavity 21.

[0031] The adjusting block 4 and the handle 41 are integrally formed.

[0032] The rebounder body 1 is equipped with a display 11.

[0033] For narrow walls of different depths, the position of the adjusting block 4 can be adjusted by adjusting component 5 to adapt the concrete strength testing device to narrow walls of different depths. When in use, push the handle 41. When the handle 41 comes into contact with the protruding wall, the spring rod 12 in the rebound hammer body 1 rebounds, and the relevant data will be displayed on the display 11. First, rotate the turntable 52. The turntable 52 is fixedly connected to the threaded rod 51. Then, drive the threaded rod 51 to rotate. The threaded rod 51 is threadedly connected to the adjusting block 4. Then, drive the adjusting block 4 to slide in the first cavity 21. The adjusting block 4 and the handle 41 are integrally formed, which makes it easy to move the handle 41 to the appropriate position.

[0034] Example 2;

[0035] This utility model discloses a concrete strength testing device, according to the attached... Figure 1-3 As shown, it includes a rebounder body 1, and a spring rod 12 is slidably connected inside the rebounder body 1. The feature is that an auxiliary column 2 is fixedly connected to the rebounder body 1. A flip door 3 is provided at the end of the auxiliary column 2 away from the rebounder body 1. An adjustment block 4 is slidably connected inside the auxiliary column 2. Handles 41 are fixedly connected to both sides of the adjustment block 4. An adjustment component 5 is provided inside the auxiliary column 2. The adjustment component 5 is used to adjust the position of the adjustment block 4.

[0036] The threaded rod 51 is located inside the auxiliary column 2, and the adjusting block 4 is threadedly connected to the threaded rod 51.

[0037] Turntable 52 is fixedly connected to the end of threaded rod 51 away from the rebound spring body 1.

[0038] A fixing block 22 is fixedly connected to the bottom of the additional column 2. A limit component 6 is provided inside the fixing block 22. The limit component 6 is used to limit the tilting door 3.

[0039] The second cavity 61 is disposed within the fixing block 22;

[0040] Spring 62, one end of which is fixedly connected to the second cavity 61;

[0041] The slider 63 is slidably connected to the second cavity 61, and the other end of the spring 62 is fixedly connected to the slider 63;

[0042] A retaining plate 64 is slidably connected to the second cavity 61, and the end of the slider 63 away from the spring 62 is fixedly connected to the retaining plate 64. The auxiliary column 2 is provided with a first cavity 21, and the adjusting block 4 is slidably connected to the first cavity 21.

[0043] A connector 23 is fixedly connected to the additional column 2, and the flip door 3 is rotatably connected to the connector 23.

[0044] The adjusting block 4 and the handle 41 are integrally formed.

[0045] The rebounder body 1 is equipped with a display 11.

[0046] The flip door 3 is designed to prevent accidental contact with the turntable 52. When the adjustment block 4 needs to be adjusted, the limiting component 6 needs to be released. After opening the rotating door 3, the turntable 52 can be rotated. First, slide the slider 63 to move the clamping plate 64 and compress the spring 62 to the position of the second cavity 6. Then, the clamping plate 64 releases its limit on the rotating door 3, and the rotating door 3 can be opened to adjust the adjustment component 5.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A concrete strength detection device, comprising a rebound hammer body (1), a rebounding rod (12) is slidably connected in the rebound hammer body (1), characterized in that, An auxiliary column (2) is fixedly connected to the rebounder body (1). A flip door (3) is provided at one end of the auxiliary column (2) away from the rebounder body (1). An adjusting block (4) is slidably connected inside the auxiliary column (2). Handles (41) are fixedly connected to both sides of the adjusting block (4). An adjusting component (5) is provided inside the auxiliary column (2). The adjusting component (5) is used to adjust the position of the adjusting block (4). A threaded rod (51) is disposed inside an auxiliary column (2), and the adjusting block (4) is threadedly connected to the threaded rod (51); a turntable (52) is fixedly connected to one end of the threaded rod (51) away from the rebounder body (1).

2. The concrete strength testing device according to claim 1, characterized in that, The bottom of the additional column (2) is fixedly connected to a fixing block (22), and a limit component (6) is provided inside the fixing block (22). The limit component (6) is used to limit the flip door (3). The second cavity (61) is disposed within the fixed block (22); A spring (62) has one end fixedly connected to the second cavity (61); The slider (63) is slidably connected in the second cavity (61), and the other end of the spring (62) is fixedly connected to the slider (63); The card plate (64) is slidably connected in the second cavity (61), and the end of the slider (63) away from the spring (62) is fixedly connected to the card plate (64).

3. The concrete strength testing device according to claim 2, characterized in that, The additional column (2) is provided with a first cavity (21), and the adjusting block (4) is slidably connected in the first cavity (21).

4. The concrete strength testing device according to claim 1, characterized in that, A connector (23) is fixedly connected to the additional column (2), and the flip door (3) is rotatably connected to the connector (23).

5. The concrete strength detection device of claim 1, wherein The adjusting block (4) and the handle (41) are integrally formed.

6. The concrete strength detection device of claim 1, wherein The rebounder body (1) is equipped with a display (11).