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CN-224231711-U - Concrete defect detection device based on elastic wave

CN224231711UCN 224231711 UCN224231711 UCN 224231711UCN-224231711-U

Abstract

The utility model discloses a concrete defect detection device based on elastic waves, which comprises a shell, wherein an installation box is arranged in the shell, a detection machine body is arranged in the installation box, an excitation detection assembly is arranged at the bottom of the detection machine body, a display processing device is fixedly connected to the top of the shell, and the display processing device is electrically connected with the detection machine body. The utility model relates to the technical field of concrete detection, in particular to an elastic wave-based concrete defect detection device, which can autonomously clean small stones on the ground when detecting concrete through the cooperation of a shell, a detection machine body, an excitation detection assembly and a cleaning device, so that the problem that the accuracy of overall detection data is affected due to vibration of the small stones when detecting the concrete is avoided, and meanwhile, the damage to equipment caused by the small stones when the excitation detection assembly presses the top of the ground is avoided, and the use safety of the equipment is also ensured.

Inventors

  • SHAO GUANGDONG
  • JIANG RONG
  • Li Benyao
  • HOU CHUNYU

Assignees

  • 中科海智(青岛)轨道交通研究院有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (5)

  1. 1. The utility model provides a concrete defect detection device based on elastic wave, includes shell (1), its characterized in that the inside of shell (1) is provided with install bin (5), the internally mounted of install bin (5) has detection organism (10), the bottom of detecting organism (10) is provided with excitation detection subassembly (6), the top fixedly connected with of shell (1) shows processing apparatus (7), and shows processing apparatus (7) and detects organism (10) electricity and be connected, one side of install bin (5) is provided with cleaning device (2), cleaning device (2) include: The box body (21) is fixedly connected to one side, far away from the display processing device (7), of the top of the shell (1); The fan (22) is fixedly connected to the inside of the box body (21); The filter screen (23) is fixedly connected to the top of the box body (21) through bolts; a flexible hose (24) which is communicated with the output end of the fan (22) and one end of which extends to the upper part of one side of the inside of the shell (1); The conduit (25) is communicated with the tail end of the telescopic hose (24) and fixedly connected with the bottom of the installation box (5); The fan (22) conveys air filtered by the filter screen (23) through the telescopic hose (24) and the guide pipe (25), and then blows the air to the ground to clean crushed stones.
  2. 2. The device for detecting defects in concrete based on elastic waves according to claim 1, wherein a plurality of high-pressure spray heads (251) are communicated below the guide pipe (25).
  3. 3. The elastic wave-based concrete defect detection device according to claim 1, wherein grips (8) are fixedly connected to the upper parts of two sides of the outer wall of the shell (1), universal wheels (9) are fixedly connected to the bottom of the shell (1), driving devices (4) are arranged on the upper parts of two sides of the inner part of the shell (1), and the driving devices (4) comprise: The electric push rods (41) are arranged in a plurality and are fixedly connected to the top of the inner wall of the shell (1); A plurality of sliding plates (42) which are respectively and fixedly connected with the output ends of the plurality of electric push rods (41); The sliding rails (43) are arranged in a plurality, are respectively and slidably clamped on the inner walls of the sliding plates (42), and are fixedly connected with the inner walls of the shell (1); The electric push rod (41) changes the position height of the detecting machine body (10) by changing the position of the sliding plate (42) on the outer wall of the sliding rail (43).
  4. 4. The concrete defect detecting device based on elastic waves according to claim 1, wherein the bottom of the installation box (5) is provided with a protecting device (3), and the protecting device (3) comprises: The pressure sensors (31) are arranged in a plurality, are fixedly connected to the bottom of the mounting box (5), and are electrically connected with the display processing device (7); A plurality of vertical rods (32) which are respectively and fixedly connected to the bottoms of the plurality of pressure sensors (31); the sleeves (34) are arranged in a plurality and are sleeved below the outer walls of the vertical rods (32) respectively; The springs (33) are respectively sleeved on the outer walls of the vertical rods (32), and the top and the bottom of the springs are respectively fixedly connected with the outer walls of the pressure sensors (31) and the sleeves (34); the two cross rods (35) are arranged and are respectively and fixedly connected to the bottoms of the plurality of sleeves (34); When the excitation detection assembly (6) contacts the ground, the spring (33) is further used for buffering protection, and the pressure sensor (31) detects the pressure of the excitation detection assembly (6).
  5. 5. The elastic wave-based concrete defect detection device according to claim 4, wherein a rubber pad (351) is fixedly connected to the bottom of the cross rod (35).

Description

Concrete defect detection device based on elastic wave Technical Field The utility model relates to the technical field of concrete detection, in particular to a concrete defect detection device based on elastic waves. Background The concrete defect detection is a key means for evaluating whether the internal or surface of the structure has quality problems such as holes, cracks, honeycombs, segregation and the like, and the concrete elastic wave detection is a nondestructive detection technology for evaluating the internal quality, defects and mechanical properties of the concrete by utilizing the propagation characteristics of elastic waves (such as stress waves, ultrasonic waves and the like) in the concrete. The method is based on the change of parameters such as wave speed, amplitude, frequency, waveform and the like of elastic waves, and judges the uniformity, cracks, hollows, strength, dynamic elastic modulus and the like of the concrete; 202420741165.3, an exciter for detecting internal defects of concrete by adopting an elastic wave CT method, which comprises a bottom plate, wherein one side of the bottom plate is provided with a supporting mechanism, the supporting mechanism comprises a limiting rod, a limiting plate, a rotating block, a threaded plate and a threaded rod, the outer wall of the limiting rod is fixedly connected with the inner wall of the limiting plate, one end of the limiting rod is fixedly connected with one side of the rotating block, and one side of the bottom plate is fixedly connected with one end of the threaded plate. The device can be supported and fixed better, the problems that equipment is easy to shake and potential safety hazards exist in severe weather such as wind blowing and the like because three slender exciter adjusting rods are used for supporting in operation and the contact area between the adjusting rods and the ground is limited in actual use are solved, the accuracy of exciter detection is improved, the working efficiency is improved, and the device is practical and suitable for wide popularization and use; At present, when the internal defect detection device of concrete is used, a worker is required to clean the concrete ground in advance, and detection equipment of the internal defect detection device does not have an autonomous cleaning function, so that the operation intensity of the worker is higher, and the overall detection efficiency is seriously influenced when the detection of the concrete ground is performed on a large scale, so that inconvenience is brought to the use of the worker. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the concrete defect detection device based on the elastic wave, which solves the problems that when the existing concrete internal defect detection device is used, a worker is required to clean the concrete ground in advance, the detection equipment does not have an autonomous cleaning function, so that the working intensity of the worker is higher, and the integral detection efficiency is seriously influenced when the large-scale concrete ground detection is carried out, so that the inconvenience is brought to the use of the worker. The elastic wave-based concrete defect detection device comprises a shell, wherein an installation box is arranged in the shell, a detection machine body is arranged in the installation box, an excitation detection assembly is arranged at the bottom of the detection machine body, a display processing device is fixedly connected to the top of the shell, the display processing device is electrically connected with the detection machine body, a cleaning device is arranged on one side of the installation box, the cleaning device comprises a box body, a fan, a filter screen and a conduit, the box body is fixedly connected to the inner side of the box body, the filter screen is fixedly connected to the top of the box body through bolts, a telescopic hose is communicated with the output end of the fan, one end of the telescopic hose extends to the upper side of the inner side of the shell, the conduit is communicated with the tail end of the telescopic hose and is fixedly connected with the bottom of the installation box, and the fan conveys filtered air to the side far away from the display processing device through the telescopic hose and then blows the filtered air to the ground to clean crushed stones. Preferably, a plurality of high-pressure spray heads are communicated below the guide pipe. Preferably, the handles are fixedly connected to the upper parts of two sides of the outer wall of the shell, universal wheels are fixedly connected to the bottom of the shell, driving devices are arranged on the upper parts of two sides of the inner part of the shell, each driving device comprises a plurality of electric push rods, a plurality of sliding plates, a plurality of sliding rails and a plurality of detecting machine bodies, wherein the plurality