Concrete rebound apparatus for road detection
By using an automated and optimized concrete rebound hammer, the problems of unstable readings, cumbersome data processing, and bulky structure have been solved, achieving efficient and convenient concrete testing.
Patent Information
- Application Number
- CN202520184673.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing rebound hammers suffer from unstable readings, cumbersome data processing, bulky structure, and inconvenience in concrete testing, making it difficult to meet the needs of rapid on-site testing.
The automated concrete rebound hammer includes an aluminum alloy main housing, sensor module, data processing unit and display screen. Combined with temperature compensation circuit and wireless communication module, the structure is optimized and a cleaning mechanism is introduced to achieve automatic data processing and lightweight portability.
It improves reading stability and the automation of data processing, has a lighter structure, is adaptable to complex environments, and enhances detection efficiency and portability.
Smart Images
Figure CN223883384U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of concrete detection equipment, and particularly relates to a concrete rebound hammer for road detection. BACKGROUND
[0002] At present, the quality of the widely used concrete in road construction directly affects the safety and service life of the road. Traditional concrete strength detection methods mainly include the core drilling method and the ultrasonic method. Although these methods have high precision, they are complex to operate, time-consuming and high in cost, and are difficult to meet the demand for rapid detection on site. In recent years, with the progress of science and technology, some new non-destructive detection instruments have been gradually developed. The rebound hammer is widely used on construction sites due to its portability and high efficiency.
[0003] The existing rebound hammer is usually composed of a main machine, an impact rod and a spring. The hardness of the concrete is estimated by measuring the change in impact energy. However, the traditional rebound hammer has problems such as unstable reading and complicated data processing during use.
[0004] Although the existing rebound hammer can achieve rapid detection on site to a certain extent, it still has the following deficiencies: poor reading stability, the test results fluctuate greatly due to the low sensitivity of the sensor, which affects the reliability of the detection; complicated data processing, the data recording and processing of the traditional rebound hammer mainly rely on manual operation, which is low in efficiency and prone to errors; and unreasonable structure design, the structure of part of the rebound hammer is relatively bulky and inconvenient to carry, which limits its application range on site.
[0005] Therefore, the present application provides a concrete rebound hammer for road detection. CONTENT OF THE INVENTION
[0006] The concrete rebound hammer for road detection provided by the present application solves the problems in the background art. The entire process is automatically completed without human intervention, improves the reading stability of the rebound hammer and the degree of data processing automation, optimizes the overall structure design, makes the rebound hammer more portable, adapts to various complex working environments, and greatly improves the practicality of the device.
[0007] In order to achieve the above purpose, the present application adopts the following technical scheme:
[0008] A concrete rebound hammer for road detection, comprising a main shell, an impact device, a sensor module, a data processing unit and a display screen, the main shell is made of aluminum alloy, wherein the inside of the main shell is provided with a shock pad, and the outside is covered with a non-slip rubber layer, the impact device is arranged inside the main shell, the sensor module is arranged at the top end of the inside of the impact device, the data processing unit is arranged on one side of the inside of the impact device, and the display screen is embedded in the front of the main shell.
[0009] As a preferred embodiment, the impact device comprises an impact hammer, a guide cylinder and a return spring, the guide cylinder is fixedly connected to the inner top end of the main shell, the impact hammer is installed in the inner part of the guide cylinder, the return spring is arranged at the inner top end of the guide cylinder, and the bottom end of the return spring is fixedly connected to the top end of the impact hammer.
[0010] The impact hammer is made of high-quality stainless steel material, and the surface is hardened to increase wear resistance; the guide cylinder is made of precision-machined carbon steel material to ensure smooth movement of the impact hammer; the return spring is made of high-strength spring steel to ensure stable performance after long-term use, thereby improving the practicality of the device.
[0011] As a preferred embodiment, the impact device further comprises a gas cylinder, the gas cylinder is fixedly connected to the top of the main shell, and the telescopic end of the gas cylinder extends into the inner part of the guide cylinder and is fixedly connected to the top end of the impact hammer through the inner side of the return spring.
[0012] By starting the gas cylinder, the impact hammer rapidly impacts the concrete surface downward under the action of compressed air, and the reaction force makes the impact hammer rebound to the initial position, thereby improving the practicality of the device.
[0013] As a preferred embodiment, the data processing unit is built-in with a microprocessor and a memory, and the microprocessor and the memory are both installed in the inner part of the guide cylinder.
[0014] The maximum impact force is detected by the sensor module and converted into an electrical signal transmitted to the data processing unit, the data processing unit calculates the rebound value of the concrete according to a preset algorithm, reads the rebound value after the value on the display screen stabilizes, and intuitively presents the rebound value through the display screen, the entire process is automatically completed without manual intervention, thereby improving the practicality of the device.
[0015] As a preferred embodiment, a temperature compensation circuit is additionally arranged in the inner part of the main shell.
[0016] By additionally arranging a temperature compensation circuit in the main shell, the influence of temperature change on the detection result is eliminated, thereby improving the practicality of the device.
[0017] As a preferred embodiment, a wireless communication module is additionally introduced into the inner part of the main shell.
[0018] By introducing a wireless communication module, remote data transmission and cloud management are realized, which is convenient for centralized processing of data of large-scale engineering projects, thereby improving the practicality of the device.
[0019] As a preferred implementation, the inner bottom end of the main shell is provided with a cleaning mechanism, which comprises a mounting plate, a circular hole and a brush.
[0020] By setting the cleaning mechanism, when the impact hammer moves up and down to impact the concrete surface, the concrete is prevented from being brought into the main shell and the guide cylinder, the cleaning work inside the rebound hammer is increased, the subsequent use effect of the rebound hammer is improved, the impact hammer can smoothly move up and down in the guide cylinder, and the practicability of the device is improved.
[0021] As a preferred implementation, the mounting plate is fixedly connected to the inner bottom end of the main shell, and a circular hole is formed in the inner bottom end of the mounting plate.
[0022] By setting the cleaning mechanism, when the impact hammer moves up and down to impact the concrete surface, the concrete is prevented from being brought into the main shell and the guide cylinder, the cleaning work inside the rebound hammer is increased, the subsequent use effect of the rebound hammer is improved, the impact hammer can smoothly move up and down in the guide cylinder, and the practicability of the device is improved.
[0023] The beneficial effects of the present application are:
[0024] 1. The concrete rebound hammer for road detection is automatically completed in the whole process, without manual intervention, improves the reading stability of the rebound hammer and the automation degree of data processing, optimizes the overall structure design, makes it more portable, adapts to various complex working environments, and greatly improves the practicability of the device.
[0025] 2. The concrete rebound hammer for road detection is provided with a cleaning mechanism, which can clean the concrete attached to the surface of the impact hammer when the impact hammer moves up and down to impact the concrete surface, prevents the concrete from being brought into the main shell and the guide cylinder, increases the cleaning work inside the rebound hammer, improves the subsequent use effect of the rebound hammer, and makes the impact hammer smoothly move up and down in the guide cylinder, greatly improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a schematic diagram of the main body of the device of the present application;
[0027] Figure 2 It is a schematic diagram of the inside of the device of the present application;
[0028] Figure 3 It is an enlarged view of A in the present application. Figure 2
[0029] The figure label: 1, main shell; 11, shock pad; 12, anti-skid rubber layer; 2, impact device; 21, impact hammer; 22, guide cylinder; 23, return spring; 24, air cylinder; 3, sensor module; 4, data processing unit; 41, microprocessor; 42, memory; 5, display screen; 6, temperature compensation circuit; 7, wireless communication module; 8, cleaning mechanism; 81, mounting plate; 82, round hole; 83, brush. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.
[0031] Reference Figures 1-3 A concrete rebound hammer for road detection, comprising a main shell 1, an impact device 2, a sensor module 3, a data processing unit 4 and a display screen 5, the main shell 1 is made of aluminum alloy, wherein the inside of the main shell 1 is provided with a shock pad 11, and the outside is covered with an anti-skid rubber layer 12, the impact device 2 is arranged inside the main shell 1, the sensor module 3 is arranged at the top end inside the impact device 2, the data processing unit 4 is arranged on one side inside the impact device 2, and the display screen 5 is embedded on the front of the main shell 1.
[0032] The impact device 2 comprises an impact hammer 21, a guide cylinder 22 and a return spring 23, the guide cylinder 22 is fixedly connected to the top end inside the main shell 1, the impact hammer 21 is installed inside the guide cylinder 22, and the return spring 23 is arranged at the top end inside the guide cylinder 22, and the bottom end of the return spring 23 is fixedly connected to the top end of the impact hammer 21; the impact hammer 21 is made of high-quality stainless steel material, and the surface is hardened to increase wear resistance; the guide cylinder 22 is made of precision-machined carbon steel material to ensure smooth movement of the impact hammer 21; the return spring 23 is made of high-strength spring steel to ensure stable performance after long-term use, thereby improving the practicality of the device.
[0033] The impact device 2 further comprises an air cylinder 24, the air cylinder 24 is fixedly connected to the top of the main shell 1, and the telescopic end of the air cylinder 24 extends into the guide cylinder 22 and is fixedly connected to the top end of the impact hammer 21 through the inside of the return spring 23; by starting the air cylinder 24, the impact hammer 21 rapidly impacts the concrete surface downward under the action of compressed air, the reaction force makes the impact hammer 21 rebound to the initial position, thereby improving the practicality of the device.
[0034] The data processing unit 4 is internally provided with a microprocessor 41 and a memory 42, both of which are installed inside the guide cylinder 22; the maximum value of the impact force is detected by the sensor module 3 and is converted into an electrical signal and transmitted to the data processing unit 4, and the data processing unit 4 calculates the rebound value of the concrete according to a preset algorithm, waits for the value on the display screen to be stable, reads the rebound value, and visually presents the rebound value through the display screen 5, the whole process is automatically completed without manual intervention, thereby improving the practicability of the device.
[0035] The inside of the main shell 1 is additionally provided with a temperature compensation circuit 6; by additionally providing the temperature compensation circuit 6 in the main shell 1, the influence of temperature change on the detection result is eliminated, thereby improving the practicability of the device.
[0036] The inside of the main shell 1 is also introduced with a wireless communication module 7; by introducing the wireless communication module 7, remote data transmission and cloud management are realized, which is convenient for centralized processing of data of large-scale engineering projects, thereby improving the practicability of the device.
[0037] The inside of the main shell 1 is provided with a cleaning mechanism 8 at the bottom end, and the cleaning mechanism 8 comprises a mounting plate 81, a circular hole 82 and a brush 83; by providing the cleaning mechanism 8, when the impact hammer 21 moves up and down to impact the surface of the concrete, the concrete is prevented from being brought into the main shell 1 and the guide cylinder 22, and the cleaning work inside the rebound apparatus is increased, thereby improving the subsequent use effect of the rebound apparatus, enabling the impact hammer 21 to smoothly move up and down in the guide cylinder 22, thereby improving the practicability of the device.
[0038] The mounting plate 81 is fixedly connected to the inside bottom end of the main shell 1, the inside of the mounting plate 81 is provided with a circular hole 82, and the inside of the circular hole 82 is provided with a circle of brushes 83; by providing the cleaning mechanism 8, when the impact hammer 21 moves up and is retracted into the main shell 1, the brushes 83 in the circular hole 82 can clean the concrete attached to the surface of the impact hammer 21, preventing the concrete from being brought into the main shell 1 and the guide cylinder 22, and increasing the cleaning work inside the rebound apparatus, thereby improving the practicability of the device.
[0039] Working principle: when using, check whether the rebound hammer is intact, confirm that the battery has sufficient power, place the rebound hammer vertically on the surface of the concrete to be measured, ensure that the contact surface is flat and free of impurities, press the start button, start the air cylinder 24, the impact hammer 21 rapidly impacts the concrete surface under the action of compressed air, the reaction force makes the impact hammer 21 rebound to the initial position, in this process, the sensor module 3 detects the maximum impact force and converts it into an electrical signal transmitted to the data processing unit 4, the data processing unit 4 calculates the rebound value of the concrete according to the preset algorithm, reads the rebound value after the value on the display screen stabilizes, and presents it directly through the display screen 5, the whole process is automatically completed without manual intervention, repeat the above steps, measure multiple times at different positions, take the average value as the final result, after measurement, turn off the power, clean the surface dust of the rebound hammer, and properly store it. The rebound hammer improves the reading stability of the rebound hammer and the automation degree of data processing, optimizes the overall structure design, makes it more portable, and adapts to various complex working environments.
[0040] By setting the cleaning mechanism 8, when the impact hammer 21 moves up and down to impact the concrete surface, when the impact hammer 21 moves up and is retracted into the main shell 1, the brush 83 in the circular hole 82 can clean the concrete attached to the surface of the impact hammer 21, prevent the concrete from being brought into the main shell 1 and the guide cylinder 22, and increase the cleaning work inside the rebound hammer, thereby improving the subsequent use effect of the rebound hammer, and enabling the impact hammer 21 to smoothly move up and down in the guide cylinder 22.
[0041] The main shell 1 is made of high-strength aluminum alloy material, which is light in weight and strong in corrosion resistance; the impact hammer 21 is made of high-quality stainless steel material, the surface of which is hardened to increase wear resistance; the guide cylinder 22 is made of precision-machined carbon steel material to ensure stable movement of the impact hammer 21; the reset spring 23 is made of high-strength spring steel to ensure stable performance after long-term use; the sensor module 3 uses a high-precision pressure sensor with a resolution of 0.1N; the microprocessor 41 uses a high-performance low-power ARM chip with high integration and fast operation speed.
[0042] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A concrete rebound hammer for road detection, comprising a main housing (1), an impact device (2), a sensor module (3), a data processing unit (4) and a display screen (5), characterized in that, The main shell (1) is made of aluminum alloy, wherein the inside of the main shell (1) is provided with a shock pad (11), and the outside is covered with an anti-skid rubber layer (12); the impact device (2) is arranged inside the main shell (1); the sensor module (3) is arranged at the top of the inside of the impact device (2); the data processing unit (4) is arranged at one side of the inside of the impact device (2); and the display screen (5) is embedded on the front of the main shell (1).
2. The concrete rebound hammer for road detection according to claim 1, characterized in that, The impact device (2) comprises an impact hammer (21), a guide cylinder (22) and a return spring (23); the guide cylinder (22) is fixedly connected to the top of the inside of the main shell (1); the impact hammer (21) is arranged inside the guide cylinder (22); and the return spring (23) is arranged at the top of the inside of the guide cylinder (22), and the bottom of the return spring (23) is fixedly connected to the top of the impact hammer (21).
3. The concrete rebound hammer for road detection according to claim 2, characterized in that, The impact device (2) further comprises a gas cylinder (24), which is fixedly connected to the top of the main shell (1), and the telescopic end of the gas cylinder (24) extends into the guide cylinder (22) and is fixedly connected to the top of the impact hammer (21) through the inside of the return spring (23).
4. The concrete rebound hammer for road detection according to claim 1, characterized in that, The data processing unit (4) is internally provided with a microprocessor (41) and a memory (42), and the microprocessor (41) and the memory (42) are both arranged inside the guide cylinder (22).
5. The concrete rebound hammer for road detection according to claim 1, characterized in that, The inside of the main shell (1) is additionally provided with a temperature compensation circuit (6).
6. The concrete rebound hammer for road detection according to claim 1, characterized in that, The inside of the main shell (1) is further introduced with a wireless communication module (7).
7. The concrete rebound hammer for road detection according to claim 1, characterized in that, The bottom of the inside of the main shell (1) is provided with a cleaning mechanism (8), which comprises a mounting plate (81), a circular hole (82) and a brush (83).
8. The concrete rebound hammer for road detection according to claim 1, characterized in that, The mounting plate (81) is fixedly connected to the bottom of the inside of the main shell (1), and the inside of the mounting plate (81) is provided with a circular hole (82); and the inside of the circular hole (82) is provided with a ring of brushes (83).