Mass concrete crack detection device

By designing an automated concrete crack detection device, which uses a base platform, a bearing plate, and a scanning detection lens, combined with a linear CCD image sensor, the problem of low efficiency in traditional manual detection is solved, and efficient and comprehensive automated detection of large-volume concrete cracks is achieved.

CN223461480UActive Publication Date: 2025-10-21FUZHOU CONSTR & DEV GRP CO LTD +1
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Patent Information

Application Number
CN202422802092.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-21
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Traditional manual observation methods are inefficient and inaccurate, making it difficult to effectively detect minute cracks in large-volume concrete, especially in complex environments. Existing detection probe components require manual intervention, resulting in low detection efficiency.

Method used

A large-volume concrete crack detection device was designed, which consists of a base platform, a bearing plate, a drive assembly, and a scanning detection lens. The device achieves automated mobile detection through the drive assembly and a winding wheel system. Combined with a linear CCD image sensor and an image acquisition card, it automatically acquires and analyzes concrete crack images.

Benefits of technology

It enables automated and rapid testing of large-volume concrete specimens, reducing manual operations and improving testing efficiency and accuracy. It can comprehensively test the sides and top of the specimens and generate a visual test report.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete detection equipment, in particular to a large-volume concrete crack detection device. According to the technical scheme, the device comprises a base table and a bearing plate movably installed above the base table, a driving assembly is arranged on the base table, a driving motor is installed in the driving assembly, the output end of the driving motor is connected with a threaded rod, a sleeve piece is installed on the threaded rod in a sleeving mode, and the bearing plate is installed above the sleeve piece; a mounting frame is mounted on the base table, a sliding groove is formed in the mounting frame, a mounting opening located in the mounting frame is formed in the other end of the sliding groove, a moving assembly used for detecting mass concrete cracks is mounted in the mounting opening and the sliding groove, and the moving assembly comprises a winding wheel mounted in the mounting opening. The device is novel and compact in structure, achieves the purpose of automatically moving a mass concrete test piece for crack detection, reduces the time for manually carrying and adjusting the device, and is high in detection efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection equipment technical field especially relates to a mass concrete crack detection device. BACKGROUND

[0002] In large-scale construction projects, mass concrete structures are widely used, such as dams, large bridge foundations, and raft foundations of high-rise buildings. However, due to the influence of temperature changes, shrinkage stress, external loads, and other factors during pouring and curing, cracks are easily produced. These cracks may affect the integrity, durability, and waterproofness of the concrete structure, and in severe cases, even endanger the safety of the structure. Traditional manual observation methods are inefficient and inaccurate, and it is difficult to effectively detect some subtle cracks or cracks in complex environments. Therefore, a surface crack detection probe is combined to detect the surface cracks of the concrete. Specifically, a linear array CCD image sensor is used. The linear array CCD image sensor has high resolution and fast image acquisition capability, and can clearly capture the crack image on the surface of the concrete. The sensor is connected to the image acquisition card through a data line, and transmits the collected image signal to the image acquisition card. The image acquisition card receives the image signal from the surface crack detection probe and converts it into a digital signal. The image acquisition card has high-speed data acquisition and processing capability, which can meet the fast image acquisition requirement of the linear array CCD image sensor. At present, the existing detection probe assembly requires a large amount of manual work, and manual intervention is required for concrete detection at different positions, so the detection efficiency of the concrete will be affected. In view of the above reasons, the present application proposes a crack detection device with efficient and comprehensive detection assembly for mass concrete. SUMMARY

[0003] The utility model aims at the problem existing in the background art, proposes a crack detection device with efficient and comprehensive detection assembly for mass concrete.

[0004] The technical scheme of the utility model: a mass concrete crack detection device, including base station and moving installation in the bearing plate of base station top, drive assembly is set up on the base station, drive motor is installed in drive assembly, the output end of drive motor is connected with screw rod, the sleeve kit is installed on the screw rod, the bearing plate is installed above the sleeve kit;

[0005] The base table is provided with a mounting rack, a sliding slot is formed in the mounting rack, an installation opening is formed in the other end of the sliding slot and located in the mounting rack, a moving assembly for detecting the crack of the mass concrete is installed in the installation opening and the sliding slot, the moving assembly comprises a winding wheel installed in the installation opening, a pull rope is wound on the winding wheel, the other end of the pull rope is connected with a connecting block, the connecting block is slidably connected with a moving block located in the sliding slot, one side of the moving block is connected with an installation plate, and a scanning detection lens body is installed on the installation plate.

[0006] Optionally, a guide groove is formed in one side of the sliding slot and penetrates the sliding slot, and the connecting block is slidably arranged in the guide groove.

[0007] Optionally, a penetrating hole is formed in the other end of the sliding slot and located in the mounting rack, a spring is connected to the bottom of the moving block, and the other end of the spring is connected with the inner wall at the bottom of the penetrating hole.

[0008] Optionally, the moving block is in a T-shaped structure, and the size of the installation plate is greater than the inner diameter of the sliding slot.

[0009] Optionally, a micro motor is arranged on one side of the winding wheel, the micro motor is installed in the installation opening, and the output end of the micro motor penetrates the winding wheel and is rotatably arranged with the inner wall of the installation opening.

[0010] Optionally, installation cavities are formed in the two sides of the driving assembly, the two ends of the sleeve are slidably arranged with the inner walls of the installation cavities, a supporting block is connected to the top of the sleeve, and the bearing plate is fixedly connected with the top of the supporting block.

[0011] Optionally, a rolling wheel is rotatably installed at the bottom of the bearing plate.

[0012] In summary, the present application has at least one of the following beneficial technical effects:

[0013] The driving assembly is arranged to stably move the bearing plate on which the mass concrete test piece is placed, the scanning detection lens body is arranged to realize the movement detection of the mass concrete test piece, the labor intensity of the detection operation is reduced, and the automatic and rapid detection is realized.

[0014] The winding wheel and the pull rope are arranged to pull the scanning detection lens body along the sliding slot and the guide groove, the side surface and the top of the mass concrete test piece at the same position are detected, and therefore the detection of the mass concrete test piece is more comprehensive.

[0015] In conclusion, the utility model discloses novel compact structure realizes the purpose of automatic movement of large volume concrete test piece for crack detection, reduces the time of manual handling and adjusting device, and the detection efficiency is high, and the automatic acquisition and analysis function of detection data and the visual detection report generation greatly reduce the working difficulty of operating personnel, and improve the convenience of detection work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Give the front view schematic diagram of the utility model;

[0017] Figure 2 Give the bottom view schematic diagram of the utility model bearing plate;

[0018] Figure 3 For the structure schematic diagram of mobile assembly in the utility model;

[0019] Figure 4 For the structure schematic diagram of mounting frame in the utility model.

[0020] Reference signs:

[0021] 1, base table;

[0022] 2, drive assembly;21, mounting cavity;22, drive motor;23, threaded rod;24, sleeve;25, support block;

[0023] 3, bearing plate;31, rolling wheel;

[0024] 4, mounting frame;41, sliding slot;42, guide slot;43, mounting port;44, through hole;

[0025] 5, mobile assembly;51, micro motor;52, winding wheel;53, pull rope;54, connecting block;55, mobile sliding block;56, spring;57, mounting plate;58, scanning detection lens body. DETAILED DESCRIPTION

[0026] The technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings, obviously, the described embodiments are part of the embodiments of the present disclosure, not all embodiments.

[0027] The components of the embodiments of the present disclosure generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed present disclosure, but only represents selected embodiments of the present disclosure.

[0028] Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present disclosure.

[0029] In the description of the present disclosure, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present disclosure, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] As Figures 1-4 shown, the utility model provides a mass concrete crack detection device, including base station 1 and the load bearing plate 3 of mobile installation above base station 1, the bottom rotatable mounting of load bearing plate 3 has the rolling wheel 31, and the upper surface of rolling wheel 31 and base station 1 is in contact with the arrangement, and the drive assembly 2 is set up on base station 1, and the installation cavity 21 is set up on the both sides of drive assembly 2, and the both ends of sleeve kit 24 are slidably arranged with the inner wall of installation cavity 21, the installation cavity 21 is set up for the movement of sleeve kit 24 provides limit guide, and the top of sleeve kit 24 is connected with support block 25, and load bearing plate 3 is fixedly connected with the top of support block 25, and drive motor 22 is installed in drive assembly 2, and the base end of drive motor 22 is connected with the inner wall of drive assembly 2, and the output end of drive motor 22 is connected with threaded rod 23, and sleeve kit 24 is installed on threaded rod 23, and load bearing plate 3 is installed above sleeve kit 24, and mounting bracket 4 is installed on base station 1, and mounting bracket 4 is inverted U-shaped structure, and slide groove 41 is set up in mounting bracket 4, and the other end of slide groove 41 is set up installation port 43 in mounting bracket 4, and installation port 43 and slide groove 41 are installed for the movement of assembly 5 for mass concrete crack detection, and movement assembly 5 includes scanning detection lens body 58.

[0033] In this embodiment, the large volume concrete test piece is placed on the bearing plate 3, and the side of the large volume concrete test piece is detected by the scanning detection lens body 58. The threaded rod 23 is rotated by driving the motor 22, and the rotation of the threaded rod 23 causes the sleeve 24 on the outer circle of the threaded rod 23 to move along the inner wall of the mounting cavity 21 on both sides, thereby realizing the stable movement of the bearing plate 3. The stable movement of the bearing plate 3 is realized in combination with the setting of the rolling wheel 31, and the side of the large volume concrete test piece is moved to reduce the amount of manual work. The surface image of the large volume concrete test piece is collected by the scanning detection lens body 58, and is converted into a digital signal. The image acquisition card has high-speed data acquisition and processing capability, and the collected digital image signal is transmitted to the computer for further processing, thereby improving the detection efficiency of the large volume concrete test piece.

[0034] Embodiment 2

[0035] As shown in Figures 1-4 based on the basis of embodiment 1, the base table 1 is provided with a mounting frame 4, a sliding groove 41 is formed in the mounting frame 4, a guide groove 42 is formed in one side of the sliding groove 41, an installation opening 43 is formed in the other end of the sliding groove 41 and located in the mounting frame 4, a micro motor 51 is arranged on one side of the winding wheel 52, the micro motor 51 is installed in the installation opening 43, the output end of the micro motor 51 penetrates the winding wheel 52 and is rotationally arranged with the inner wall of the installation opening 43, the rotation of the winding wheel 52 is driven by the micro motor 51, the continuous winding of the pull rope 53 is realized, and a through hole 44 is formed in the mounting frame 4 and located in the sliding groove 41 away from the installation opening 43; the moving assembly 5 comprises the winding wheel 52 installed in the installation opening 43, the pull rope 53 is wound on the winding wheel 52, the other end of the pull rope 53 is connected with the slidingly installed connecting block 54, the connecting block 54 is slidingly arranged in the guide groove 42, a plurality of connecting fixing blocks are intermittently arranged in the middle of the guide groove 42, which is used to avoid the pull rope 53 from being separated from the moving inner cavity, one end of the connecting block 54 is connected with the moving sliding block 55 located in the sliding groove 41, the bottom of the moving sliding block 55 is connected with the spring 56, the other end of the spring 56 is connected with the bottom inner wall of the through hole 44, the moving sliding block 55 is in the shape of "T", the size of the mounting plate 57 is greater than the inner diameter of the sliding groove 41, one side of the moving sliding block 55 is connected with the mounting plate 57, and the mounting plate 57 is installed with the scanning detection lens body 58.

[0036] In this embodiment, the output end of the micro motor 51 drives the winding wheel 52 to rotate, thereby pulling the connecting block 54 connected with one end of the pull rope 53 along the inner wall of the guide groove 42, thereby pulling the moving sliding block 55 along the sliding groove 41, and further pulling the scanning detection lens body 58 installed on one side of the mounting plate 57, thereby realizing the full collection of the surface of the large volume concrete test piece placed on the bearing plate 3.

[0037] The above specific embodiments are only several optional embodiments of the present application, based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A mass concrete crack detection device, comprising a base table (1) and a load bearing plate (3) movably installed above the base table (1), characterized in that: The base table (1) is provided with a driving assembly (2), a driving motor (22) is installed in the driving assembly (2), a threaded rod (23) is connected to the output end of the driving motor (22), a sleeve (24) is installed on the threaded rod (23), and the bearing plate (3) is installed above the sleeve (24). The base table (1) is provided with a mounting rack (4), a sliding groove (41) is formed in the mounting rack (4), an installation opening (43) is formed in the other end of the sliding groove (41) and located in the mounting rack (4), a moving assembly (5) for detecting large-volume concrete cracks is installed in the installation opening (43) and the sliding groove (41), the moving assembly (5) comprises a winding wheel (52) installed in the installation opening (43), a pull rope (53) is wound on the winding wheel (52), the other end of the pull rope (53) is connected with a connecting block (54), the connecting block (54) is connected with a moving block (55) located in the sliding groove (41), one side of the moving block (55) is connected with a mounting plate (57), and the mounting plate (57) is provided with a scanning detection lens body (58).

2. The apparatus for detecting cracks in mass concrete according to claim 1, wherein The sliding groove (41) is provided with a guide groove (42) penetrating through one side thereof, and the connecting block (54) is slidably arranged in the guide groove (42).

3. The apparatus for detecting cracks in mass concrete according to claim 1, wherein The sliding groove (41) is provided with a penetrating hole (44) penetrating through one end thereof and located in the mounting rack (4), the bottom of the moving block (55) is connected with a spring (56), and the other end of the spring (56) is connected with the inner wall at the bottom of the penetrating hole (44).

4. The apparatus for detecting cracks in mass concrete according to claim 1, wherein The moving block (55) is in a "T" shape structure, and the size of the mounting plate (57) is greater than the inner diameter of the sliding groove (41).

5. The apparatus for detecting cracks in mass concrete according to claim 1, wherein One side of the winding wheel (52) is provided with a micro motor (51), the micro motor (51) is installed in the installation opening (43), the output end of the micro motor (51) penetrates through the winding wheel (52) and is rotatably arranged with the inner wall of the installation opening (43).

6. The apparatus for detecting cracks in mass concrete according to claim 1, wherein The driving assembly (2) is provided with mounting cavities (21) on both sides, the sleeve (24) is slidably arranged at both ends of the mounting cavities (21), the top of the sleeve (24) is connected with a supporting block (25), and the bearing plate (3) is fixedly connected with the top of the supporting block (25).

7. The apparatus for detecting cracks in mass concrete according to claim 1, wherein The bottom of the bearing plate (3) is rotatably provided with a rolling wheel (31).