Concrete rebounding device
By designing a compact and wear-resistant concrete rebound device, the problems of test accuracy being affected by operation and mechanical wear were solved, achieving efficient and accurate concrete strength testing, reducing costs and improving the service life and safety of the device.
Patent Information
- Application Number
- CN202520143950.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The testing accuracy of existing concrete rebound devices is greatly affected by the operating method, the mechanical components are prone to wear, and there is a lack of effective dust prevention measures, which leads to increased measurement errors and a lack of convenient human-computer interaction design.
A concrete rebound device was designed, comprising components such as a housing, a hammer, a spring seat, a sealing felt ring, a rebound rod, and a scale. It adopts a compact structure and wear-resistant materials, is equipped with a buffer spring and a rebound spring to reduce impact force, has a sealing felt ring for dust prevention, and provides one-button operation and intuitive readings.
It improved testing efficiency and accuracy, reduced engineering costs, extended equipment lifespan, and ensured the reliability of test results and construction safety.
Smart Images
Figure CN223910631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to building material detection equipment technical field, concretely relates to concrete rebound device. BACKGROUND
[0002] Concrete, as a widely used building material, plays a crucial role in construction engineering. To ensure the safety and durability of buildings, accurately assessing the actual strength of concrete is an indispensable part.
[0003] The test precision is greatly affected by the operation method, different personnel may get differentiated results, the internal mechanical components of the equipment are prone to wear and tear, affecting long-term stability, the traditional design lacks effective dustproof measures, which may increase measurement errors, and lacks convenient human-computer interaction design, such as one-key operation, clear and intuitive reading display, etc. UTILITY MODEL CONTENT
[0004] The utility model aims at providing concrete rebound device, aims at solving the test precision in prior art is greatly affected by the operation method, different personnel may get differentiated results, the internal mechanical components of the equipment are prone to wear and tear, affecting long-term stability, the traditional design lacks effective dustproof measures, which may increase measurement errors, and lacks convenient human-computer interaction design, such as one-key operation, clear and intuitive reading display, etc.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] Concrete rebound device, including casing, hammer, tension spring seat, snap ring, sealing felt ring, hammering lever, cap, buffer compression spring, hammering tension spring, scale, pointer piece, pointer block, center guide rod, pointer shaft, guide flange, hook compression spring, compression spring and tail cover;
[0007] The hammer is connected with the casing through the tension spring seat;
[0008] The hammering lever is fixed in the casing through the snap ring;
[0009] The pointer piece and the pointer block are installed on the pointer shaft and are positioned through the center guide rod.
[0010] As a preferred scheme of the utility model, it further includes a fastening nut, a zero adjustment screw, a hook, a hook pin and a button, the fastening nut is used for fixing the casing;
[0011] The zero adjustment screw is used for adjusting the position of the pointer piece;
[0012] The button is used for releasing the hammer.
[0013] As a preferred scheme of the utility model, the buffer compression spring is arranged at one end of the rebounding lever, is used for absorbing impact force, the rebounding tension spring connects the rebounding hammer and the tension spring base, is used for driving the rebounding hammer.
[0014] As a preferred scheme of the utility model, the sealing felt ring is arranged between the casing and the cap, is used for preventing dust from entering, the tail cover is used for closing the rear part of the casing.
[0015] As a preferred scheme of the utility model, the scale is fixed on the casing, is used for showing the measurement result, the pointer piece and the pointer block rotate through the pointer shaft, and the reading on the scale is indicated.
[0016] As a preferred scheme of the utility model, the hook and the hook pin are used for hanging the rebounding instrument on the tool belt, when the button is pressed, the rebounding hammer is released, and the rebounding hammer hits the rebounding lever.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] 1、In the scheme, the concrete rebounding device is used for carrying out concrete strength detection, can significantly improve detection efficiency and accuracy.Due to compact design and simple operation of the device, on-site test personnel can quickly get started, and the misoperation and time waste caused by complex operation are reduced.In addition, the scale, the pointer piece and the pointer block of the device provide an intuitive reading mode, so that the test result is more reliable, and it is helpful for engineering technical personnel to accurately judge the quality condition of concrete, thereby providing an important basis for engineering quality control.
[0019] 2、In the scheme, the use of the concrete rebounding device not only improves detection work efficiency, but also reduces engineering cost.Due to the reasonable structure design and the wear-resistant and corrosion-resistant components, the device has a long service life, and the maintenance and replacement cost is reduced.At the same time, the portability of the device makes the carrying and storage of the construction site more convenient, and saves manpower and material resources.In addition, through non-destructive testing, the safety hidden danger caused by sampling and damaging the concrete structure is avoided, and the construction safety and engineering progress are guaranteed. DRAWINGS
[0020] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.In the drawings:
[0021] Fig. 1 It is the sectional view of the utility model;
[0022] Fig. 2 It is the perspective view of the utility model;
[0023] Fig. 3The utility model discloses a side view.
[0024] In the figure: 1, fastening nut; 2, zero setting screw; 3, hook; 4, hook pin; 5, button; 6, casing; 7, hammer; 8, tension spring seat; 9, snap ring; 10, sealing felt ring; 11, hammer lever; 12, cap; 13, buffer compression spring; 14, hammer tension spring; 15, scale; 16, pointer piece; 17, pointer block; 18, center guide rod; 19, pointer shaft; 20, guide flange; 21, hook compression spring; 22, compression spring; 23, tail cover. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Embodiment 1
[0027] Please refer to Figs. 1-3 The utility model provides the following technical scheme:
[0028] The concrete rebound device includes casing 6, hammer 7, tension spring seat 8, snap ring 9, sealing felt ring 10, hammer lever 11, cap 12, buffer compression spring 13, hammer tension spring 14, scale 15, pointer piece 16, pointer block 17, center guide rod 18, pointer shaft 19, guide flange 20, hook compression spring 21, compression spring 22 and tail cover 23:
[0029] Hammer 7 is connected with casing 6 through tension spring seat 8;
[0030] Hammer lever 11 is fixed in casing 6 through snap ring 9;
[0031] Pointer piece 16 and pointer block 17 are installed on pointer shaft 19 and are positioned through center guide rod 18.
[0032] In the embodiment of the utility model, the shell 6 is used for accommodating and fixing other components as the main part of the device, the hammer 7 is connected with the shell 6 through the tension spring seat 8 and is used for impacting the concrete surface, the tension spring seat 8 connects the hammer 7 with the shell 6 and plays a buffering and resetting role, the ring 9 is used for fixing the impact rod 11 in the shell 6, the sealing felt ring 10 is installed at the proper position of the shell 6 and is used for sealing and dustproof, the impact rod 11 is fixed in the shell 6 and is connected with the hammer 7 and transmits the impact force, the cap 12 covers the top of the shell 6 and is used for protecting the internal components, the buffer compression spring 13 is installed below the hammer 7 and is used for buffering the impact force, the impact tension spring 14 connects the hammer 7 with the tension spring seat 8 and provides the impact power, the scale 15 is fixed on the shell 6 and is used for displaying the rebound value, the pointer piece 16 and the pointer block 17 are installed on the pointer shaft 19 and are used for indicating the rebound value, the center guide rod 18 is used for positioning the pointer piece 16 and the pointer block 17, the pointer shaft 19 installs the pointer piece 16 and the pointer block 17 and enables them to rotate, the guide flange 20 is installed on the shell 6 and is used for guiding the movement of the pointer shaft 19, the hook compression spring 21 is used for fixing the guide flange 20, the compression spring 22 is installed inside the shell 6 and is used for maintaining the pressure between components, the tail cover 23 is installed at the tail of the shell 6 and is used for closing the device, the device adopts multiple components to cooperate with each other, so that the overall structure is compact, convenient to carry and operate, the rebound value of the concrete can be directly read intuitively through the accurate indication of the pointer piece 16 and the pointer block 17, the detection precision is improved, the scale 15 is directly fixed on the shell 6, the rebound value is convenient for the operator to read, the operation process is simplified, high-quality materials are adopted to manufacture, each component has good wear resistance and corrosion resistance, the service life is prolonged, the design of the buffer compression spring 13 and the impact tension spring 14 effectively reduces the impact force in the operation process and ensures the use safety, and the device is suitable for rebound testing of various concrete surfaces and meets different engineering requirements.
[0033] For details, please refer to Figs. 1-3 Further comprising fastening nut 1, zero setting screw 2, hook 3, hook pin 4 and button 5, fastening nut 1 is used for fixing shell 6;
[0034] Zero setting screw 2 is used for adjusting the position of pointer piece 16;
[0035] Button 5 is used for releasing hammer 7.
[0036] In this embodiment: the fastening nut 1 is used to fix the machine shell 6, ensuring that the entire device remains stable during operation, the zero screw 2 is used to adjust the position of the pointer piece 16, so as to accurately calibrate the zero point before starting the test, the hook 3 is used to hang or fix the device, making it convenient for the operator to stabilize the device during the rebound test, the hook pin 4 is used to fix the hook 3 on the machine shell 6, preventing the hook 3 from accidentally falling off, the button 5 is used to release the hammer 7, so that the hammer 7 can quickly pop up and hit the concrete surface, the use of the fastening nut 1 and the hook 3 ensures the stability of the device during the test, reducing the operation error, the addition of the button 5 makes the release of the hammer 7 more convenient, simplifying the operation process, the use of the hook pin 4 increases the fixation of the hook 3, avoiding the risk of accidental falling of the device during the test.
[0037] For details, please refer to Figs. 1-3 The buffer compression spring 13 is arranged at one end of the hammer rod 11, used to absorb impact force, and the hammer spring 14 is connected between the hammer 7 and the spring seat 8, used to drive the hammer 7.
[0038] In this embodiment: the buffer compression spring 13 can effectively absorb impact force, protect internal mechanical components, and reduce maintenance costs, the hammer spring 14 provides stable hammering force, ensuring consistent force for each test and improving the reliability of test results, by reducing the damage of impact to internal components, the overall service life of the device is extended, the design of the buffer compression spring 13 and the hammer spring 14 makes the operation process safer, reducing the risk of operator injury, due to the stability of the hammering force, the measured concrete rebound value is more accurate, which helps to accurately evaluate the quality of concrete.
[0039] For details, please refer to Figs. 1-3 The sealing felt ring 10 is arranged between the machine shell 6 and the cap 12, used to prevent dust from entering, and the tail cover 23 is used to close the rear of the machine shell 6.
[0040] In this embodiment: the sealing felt ring 10 effectively prevents dust from entering the inside of the machine shell, protects internal precision components, and prolongs the service life of the equipment, the design of the tail cover 23 facilitates the maintenance and cleaning of the equipment, which can be quickly opened for internal inspection and cleaning, by preventing dust and other impurities from entering, the accuracy of the measurement is ensured, and the error caused by pollution is reduced, the use of the sealing felt ring 10 and the tail cover 23 enhances the durability of the device, which can maintain good performance even in harsh environments, the sealing effect of the tail cover 23 ensures safety during operation, avoiding possible injuries caused by exposure of internal components.
[0041] For details, please refer to Figs. 1-3 The scale 15 is fixed on the machine shell 6, used to display the measurement result, and the pointer piece 16 and the pointer block 17 are rotated through the pointer shaft 19 to indicate the reading on the scale 15.
[0042] In this embodiment: the scale 15 is fixed in a suitable position on the housing 6, usually the front or side of the device, with uniform graduation lines marked on it to display the measurement results. The graduation lines on the scale 15 correspond to the numerical values of the concrete rebound value, making it easy for the operator to read directly. The pointer blade 16 and the pointer block 17 are connected by the pointer shaft 19 and installed inside the housing 6. After the impact hammer 7 hits the concrete surface, the impact force is transmitted to the pointer shaft 19 through the impact lever 11, causing the pointer blade 16 and the pointer block 17 to rotate around the pointer shaft 19, indicating the corresponding reading on the scale 15. The fixed design of the scale 15 makes the measurement results clear at a glance, and the operator can quickly and accurately read the concrete rebound value. The rotation mechanism of the pointer blade 16 and the pointer block 17 ensures the accuracy of the measurement results, reducing human reading errors. The scale 15 and the pointer system are designed simply, and the operator can use them without special training.
[0043] For details, please refer to Figs. 1-3 The hook 3 and the hook pin 4 are used to hang the rebound tester on the tool belt. When the button 5 is pressed, the impact hammer 7 is released to hit the impact lever 11.
[0044] In this embodiment: the hook 3 is used to hang the rebound tester on the tool belt for easy carrying and operation. The design of the hook 3 should ensure that the device is stable during carrying and will not accidentally fall off. The hook pin 4 keeps it in a fixed position to prevent the rebound tester from falling off due to shaking during movement. The hook pin 4 can be easily inserted and removed to allow the operator to mount or remove the rebound tester as needed. The button 5 is located on the surface of the housing 6, and the operator can release the impact hammer 7 by pressing the button 5. The design of the button 5 should ensure that the operation is simple and responsive. The way the impact hammer 7 is released through the button 5 ensures the consistency of the force of each test, improving the accuracy of the measurement results.
[0045] The working principle and use process of the utility model: hang the concrete rebound device on the tool belt, use the hook 3 and the hook pin 4 to fix it, take down the rebound device from the tool belt, take out the hook pin 4, string the impact hammer 7, pull the impact hammer and fix it on the tension spring seat 8, align the impact lever 11 with the concrete test surface, ensure that the impact lever is perpendicular to the test surface, press the button 5 to release the impact hammer 7. The impact hammer 7 hits the impact lever 11 rapidly under the action of the impact tension spring 14. After the impact hammer hits the impact lever, the impact energy is transmitted to the pointer blade 16 and the pointer block 17, causing them to rotate. Read the rebound value on the scale 15, which is indicated by the pointer blade and the pointer block. Take all the test data back to the laboratory or office for analysis to evaluate the quality and strength of the concrete.
[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A concrete rebound device, comprising a housing (6), a hammer (7), a spring seat (8), a retaining ring (9), a sealing felt ring (10), a rebound rod (11), a cap (12), a buffer spring (13), a rebound spring (14), a scale (15), a pointer piece (16), a pointer block (17), a central guide rod (18), a pointer shaft (19), a guide flange (20), a hook spring (21), a spring (22), and a tail cap (23), characterized in that: The striking hammer (7) is connected to the housing (6) via a tension spring seat (8); The firing lever (11) is fixed inside the housing (6) by a retaining ring (9); The pointer piece (16) and pointer block (17) are mounted on the pointer shaft (19) and positioned by the central guide rod (18).
2. The concrete rebound device according to claim 1, characterized in that: It also includes a fastening nut (1), a zeroing screw (2), a hook (3), a hook pin (4) and a button (5), with the fastening nut (1) used to fix the housing (6); The zero-adjustment screw (2) is used to adjust the position of the pointer piece (16); Button (5) is used to release the hammer (7).
3. The concrete rebound device according to claim 1, characterized in that: The buffer spring (13) is located at one end of the impact rod (11) to absorb the impact force. The impact tension spring (14) connects the impact hammer (7) and the tension spring seat (8) to drive the impact hammer (7).
4. The concrete rebound device according to claim 1, characterized in that: The sealing felt ring (10) is placed between the housing (6) and the cap (12) to prevent dust from entering, and the tail cap (23) is used to seal the rear of the housing (6).
5. The concrete rebound device according to claim 1, characterized in that: The scale (15) is fixed on the housing (6) and is used to display the measurement results. The pointer piece (16) and pointer block (17) rotate through the pointer shaft (19) to indicate the reading on the scale (15).
6. The concrete rebound device according to claim 1, characterized in that: The hook (3) and hook pin (4) are used to hang the rebounder on the tool belt. When the button (5) is pressed, the hammer (7) is released and strikes the rod (11).