Geological radar defect detection test platform

Abstract

The utility model relates to the technical field of radar calibration test platforms, in particular to a geological radar defect detection test platform, which comprises a detection platform and radar detection equipment, more than two test layers are arranged in the detection platform along the vertical direction, each test layer comprises more than two mounting ports which are arranged at intervals along the first horizontal direction, and detachable tunnel disease simulation modules or interference modules are arranged in the mounting ports; the radar detection equipment is slidably arranged at the top of the detection platform in the direction parallel to the first horizontal direction. According to the geological radar defect detection test platform provided by the utility model, detection equipment is more stable in operation, and defect simulation is carried out on different depths and various interference working conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to radar calibration test platform technical field, concretely is a geological radar defect detection test platform BACKGROUND

[0002] Tunnel engineering is high in construction difficulty due to complex geological conditions, and construction quality problems are prone to occur, such as void behind tunnel lining and non-compaction. Tunnel lining detection generally adopts geological radar nondestructive testing technology, which has the advantages of fast detection speed, high detection accuracy and non-damage to tunnel lining structure, and is widely used in practical engineering. The basic principle is that during detection, the antenna of the geological radar is tightly attached to the surface of the tunnel concrete by the detection personnel, and is continuously slid along the predetermined measuring line, the antenna emits continuous electromagnetic waves, the electromagnetic waves form reflections in the concrete and are received by the antenna, and the main machine of the geological radar converts the electromagnetic wave signals into corresponding waveform graphs, and professional detection personnel identify the waveform graphs to determine whether there are defects in the concrete structure within the detection range. The geological radar simulation defect detection facility can refer to the Chinese invention patent with the application number CN201710942558.5 and the name of a railway geological radar defect pattern analysis method and device. The existing geological radar defect detection test platform on the market has the following disadvantages: manual operation of the detection equipment for detection has different moving speeds, is not stable enough, the radar imaging obtained is not clear, and multiple defect conditions at the same depth cannot be simulated. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a geological radar defect detection test platform, which has more stable detection equipment and can simulate defects at different depths and under multiple interference conditions.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of providing a geological radar defect detection test platform, which comprises a detection platform and a radar detection equipment. The inside of the detection platform is provided with two or more test layers in the vertical direction, each test layer comprises two or more installation openings arranged in the first horizontal direction, and the installation openings are provided with detachable simulation tunnel disease modules or interference modules. The radar detection equipment is slidably arranged on the top of the detection platform in the direction parallel to the first horizontal direction.

[0005] Further, the detection platform is provided with an I-shaped guide rail in the direction parallel to the first horizontal direction, and a radar moving support frame is slidably arranged on the I-shaped guide rail.

[0006] Further, the radar detection equipment comprises a radar moving support frame and a geological radar, the radar moving support frame is slidably arranged on the I-shaped guide rail, and the geological radar is horizontally detachably mounted on the radar moving support frame.

[0007] Further, the radar moving support frame comprises support pieces and a radar support platform, two of the support pieces are symmetrically arranged on two sides of the radar support platform, and the bottom of each support piece is provided with a c-shaped support foot matched with the I-shaped guide rail.

[0008] Further, the radar support platform comprises two parallel metal square tubes and a rectangular frame movably arranged between the two metal square tubes and used for mounting the ground penetrating radar, and the metal square tubes are connected with the support pieces.

[0009] Further, the radar moving support frame comprises support pieces and a radar support platform, two of the support pieces are symmetrically arranged on two sides of the radar support platform, and the bottom of each support piece is provided with a c-shaped support foot matched with the I-shaped guide rail.

[0010] Further, the top surface of the rectangular frame is provided with shock-absorbing sponge.

[0011] Further, the analog tunnel disease module comprises a steel bar detection module and a section steel module.

[0012] Further, the interference module comprises a water accumulation module and a concrete cavity module.

[0013] Further, the concrete filling module is detachably connected with the mounting port.

[0014] The geological radar defect detection test platform has the advantages that through the cooperation of the detection platform and the radar detection equipment, the typical images of geological radar defects and interference are continuously simulated and compared, and the imaging law of the geological radar under different working conditions is researched. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a structural schematic view of the geological radar defect detection test platform of the utility model;

[0016] Figure 2 Fig. 2 is a local enlarged schematic view of the detection platform of the geological radar defect detection test platform of the utility model;

[0017] Figure 3 Figure 2 is a partial enlarged view of the I-shaped guide rail of the geological radar defect detection test platform of the utility model;

[0018] Figure 4 Figure 3 is a schematic view of the radar detection equipment of the geological radar defect detection test platform of the utility model;

[0019] Figure 5 Figure 4 is a schematic view of the explosion state of the radar detection equipment of the geological radar defect detection test platform of the utility model;

[0020] Figure 6 Figure 5 is a schematic view of the explosion of the radar mobile support frame of the geological radar defect detection test platform of the utility model;

[0021] Figure 7 Figure 6 is a schematic view of the simulated tunnel disease module group of the geological radar defect detection test platform of the utility model;

[0022] Label explanation:

[0023] 1, radar detection equipment; 2, detection platform; 3, simulated tunnel disease and interference module group; 11, geological radar; 12, radar mobile support frame; 13, control panel; 14, driving roller; 121, support; 1211, vertical rectangular tube; 1212, c-shaped support foot; 122, metal square tube; 123, short metal tube; 124, radar support platform; 1241, rectangular frame; 21, plain concrete component; 22, I-shaped guide rail; 23, expansion bolt; 211, first-level detection area; 212, left second-level detection area; 213, right second-level detection area; 214, third-level detection area; 31, steel bar detection module; 32, shaped steel module; 33, water accumulation module; 34, concrete cavity module; 311, steel bar; 321, shaped steel; 331, water inlet; 332, drainage outlet; 341, cavity mold. DETAILED DESCRIPTION

[0024] In order to explain the technical content, the purposes and effects of the utility model in detail, the following will be described in combination with the embodiments and the accompanying drawings.

[0025] Please refer to Figure 1 and Figure 7 , provide a kind of geological radar 11 defect detection test platform, including detection platform 2 and radar detection equipment 1;Detection platform 2 inside is provided with two or more test layers along vertical direction, each test layer includes two or more installation port along first horizontal direction interval arrangement, installation port is provided with detachable simulated tunnel disease module or interference module;Radar detection equipment 1 is slidably arranged in the top of detection platform 2 along the direction parallel to first horizontal direction.

[0026] From the above description, a geological radar 11 defect detection test platform is provided. The geological radar 11 defect and interference typical image are continuously simulated and compared through the cooperation of the detection platform 2 and the radar detection equipment 1, and the imaging law of the geological radar 11 under different working conditions is studied. Specifically, the detection platform 2 includes two or more test layers, two or more installation openings arranged along the first horizontal direction, and a detachable simulation tunnel defect module or an interference module arranged in the installation opening. By inserting the simulation tunnel defect module or the interference module into different installation openings, the relative position of the simulation tunnel defect module or the interference module is changed, and the detection simulation of various defect conditions at different depths is realized to achieve the test effect. The radar detection equipment 1 is slidably arranged on the top of the detection platform 2. The radar detection equipment 1 moves from one direction to another direction along the arrangement direction of the plurality of installation openings of each test layer, so that the radar imaging effect can be intuitively felt during the movement, the operation is more stable, the image is clearer, the test effect is better, and learning is facilitated.

[0027] Further, the detection platform 2 is provided with an I-shaped guide rail 22 parallel to the first horizontal direction, and the radar moving support frame 12 is slidably arranged on the I-shaped guide rail 22.

[0028] From the above description, the I-shaped guide rail 22 is used to support the support frame, the track bottom has high stability, the track body has large bearing capacity, and the operation of the radar detection equipment 1 can be more stable.

[0029] Further, the radar detection equipment 1 includes a radar moving support frame 12 and a geological radar 11. The radar moving support frame 12 is slidably arranged on the I-shaped guide rail 22, and the geological radar 11 is horizontally detachably mounted on the radar moving support frame 12.

[0030] From the above description, the geological radar 11 is detachably mounted on the radar moving support frame 12, which facilitates the disassembly and replacement of the radar and improves the practicability.

[0031] Further, the radar moving support frame 12 includes a support 121 and a radar support platform 124. Two support 121s are symmetrically arranged on both sides of the radar support platform 124, and the bottom of the support 121 is provided with a c-shaped support foot 1212 matched with the I-shaped guide rail 22.

[0032] From the above description, the c-shaped support foot 1212 and the I-shaped guide rail 22 cooperate to make the operation of the radar detection equipment 1 more stable, ensure that the image scanned by the geological radar 11 is clearer, and improve the test efficiency.

[0033] Further, the radar support platform 124 comprises two parallel metal square tubes 122 and a rectangular frame 1241 movably arranged between the two metal square tubes 122 and used for mounting the ground penetrating radar 11, and the metal square tubes 122 are connected with the support 121.

[0034] As described above, the radar support platform 124 is composed of the metal square tube 122 and the rectangular frame 1241, and the cooperation structure is more stable, the frame structure is not easy to shake in the horizontal state, the scanned image of the ground penetrating radar 11 is ensured to be clearer, and the test efficiency is improved.

[0035] Further, the driving roller 14 is arranged on the support 121 and abuts against the I-shaped guide rail 22 to drive the radar detection device 1 to move.

[0036] As described above, the driving roller 14 abuts against the I-shaped guide rail 22 to drive the radar detection device 1 to move, so that the movement of the radar detection device 1 is more stable and controllable, the scanned image of the ground penetrating radar 11 is ensured to be clearer, and the test efficiency is improved.

[0037] Further, the top surface of the rectangular frame 1241 is provided with shock-absorbing sponge.

[0038] As described above, the shock-absorbing sponge plays a shock-absorbing role on the ground penetrating radar 11,

[0039] Further, the simulated tunnel disease module comprises a steel bar detection module 31 and a section steel module 32.

[0040] As described above, the plurality of simulated tunnel disease modules are arranged, the diversity of the test environment is increased, and the practicability is improved.

[0041] Further, the interference module comprises a water accumulation module 33 and a concrete cavity module 34.

[0042] As described above, the plurality of interference modules are arranged, the diversity of the test environment is increased, and the practicability is improved.

[0043] Further, the concrete filling module is arranged, and the concrete filling module is detachably connected with the mounting port.

[0044] As described above, the concrete filling module is arranged, and the concrete filling module is detachably connected with the mounting port.

[0045] Please refer to Figures 1 to 7 The embodiment one of the utility model is:

[0046] The geological radar 11 defect detection test platform comprises a radar detection device 1, a detection platform 2, and a simulated tunnel disease and interference module group 3. The radar detection device 1 is composed of a geological radar 11, a radar mobile support frame 12, a control panel 13, and four drive rollers 14. The detection platform 2 is composed of left-right symmetrical concrete components with three levels of stepped platforms and two I-shaped guide rails 22. The I-shaped guide rails 22 are fixed to the left-right symmetrical concrete components with three levels of stepped platforms through expansion bolts 23. The simulated tunnel disease and interference module group 3 comprises a simulated tunnel disease module and an interference module. The simulated tunnel disease module is a steel bar detection module 31 and a profile steel module 32, and the interference module is a water accumulation module 33 and a concrete cavity module 34. The radar mobile support frame 12 is composed of four support pieces 121, two metal square tubes 122, a plurality of short metal tubes 123, and a radar support platform 124. The support piece 121 is a vertical rectangular tube 1211. The c-shaped support leg 1212 is welded to the vertical rectangular tube 1211. The metal square tube 122 and the short metal tube 123 are welded to the radar support platform 124 to form an integral whole. The radar support platform 124 comprises two parallel metal square tubes 122 and a rectangular frame 1241 movably arranged between the two metal square tubes 122 and used for mounting the geological radar 11.

[0047] In the embodiment, the control panel 13 and the drive rollers 14 are fixed on the radar mobile support frame 12. The four drive rollers 14 move the radar detection device 1 as a whole under the instruction of the control panel 13.

[0048] The detection platform 2 has three levels, which are divided into a first detection area 211, a second detection area, and a third detection area 214 from thin to thick. The first detection area 211 is symmetrically distributed with one row of two columns of two installation ports. The second detection area is divided into left and right second detection areas 213. The left second detection area 212 has two rows of two columns of four installation ports, and the right second detection area 213 has one row of two columns of two installation ports. The third detection area 214 is symmetrically distributed with three rows of four columns of twelve installation ports.

[0049] In the embodiment, the first, second, and third detection areas are used for comparative simulation analysis to distinguish the differences in tunnel diseases imaged by the geological radar 11 at different heights.

[0050] The steel bar detection module 31, the profile steel module 32, the water accumulation module 33, and the concrete cavity module are all made of concrete pouring, and the sizes of the modules are consistent with the sizes of the installation ports, which can be coupled and nested. The steel bar detection module 31 and the profile steel module 32 are interference groups, and the water accumulation module 33 and the concrete cavity module 34 are disease groups.

[0051] In this embodiment, a steel bar is placed in the middle of the steel bar detection module 31, the steel bar protrudes out of the surface of the module, and the steel bar is precast in the module by concrete.

[0052] In this embodiment, a steel profile 321 is placed in the middle of the steel profile module 32, the steel profile protrudes out of the surface of the module, and the steel profile is precast in the module by concrete.

[0053] In this embodiment, when the water accumulation module 33 is cast, a hollow module is cast by using a mold. After the structure is solidified, a water inlet 331 is inserted at a high position on one end face, and a water outlet 332 is inserted at a low position on the other end face when the two end faces are cast.

[0054] In this embodiment, when the concrete hollow module 34 is cast, a hollow module is cast by using a hollow mold 341, and after the structure is solidified, the two end faces are cast again.

[0055] The use principle of a ground penetrating radar 11 defect detection test platform according to Embodiment 1 is as follows:

[0056] First, use the template to use the concrete pouring out of the left and right symmetrical three-level detection area 214 of the concrete member 21, maintenance 28 days. At the same time, use the standard template to pour out the steel detection module 31, steel module 32, water module 33, concrete cavity module. When pouring, steel, steel, water inlet 331, drain 332, cavity mold 341 should be poured together with the module, maintenance 28 days. In order to study the typical image of internal defects and interference of tunnel engineering under the same thickness, the prepared steel detection module 31, steel module 32, water module 33, concrete cavity module are respectively put into the installation hole of the thinnest and leftmost and rightmost first-level detection area 211, and then the control panel 13 is used to control the four drive rollers 14 to drive the radar moving support frame 12 to move accurately, so as to ensure that the data measured by the geological radar 11 each time is accurate. In order to study the influence of different thicknesses on the typical images of internal defects and interference of tunnel engineering, the steel detection module 31, steel module 32, water module 33, concrete cavity module are respectively inserted into the installation port of the right second-level and third-level detection area 214, and compared with the typical images of defects and interference of the geological radar 11 under the first-level thickness. Through such continuous simulation, the imaging law of the geological radar 11 under different working conditions can be studied, and talents can be cultivated. In summary, a geological radar defect detection test platform, through the cooperation of the detection platform and the radar detection equipment, continuously simulates and compares the typical images of geological radar defects and interference, and studies the imaging law of the geological radar under different working conditions. Specifically, the detection platform includes two or more test layers, two or more installation ports arranged along a first horizontal direction, and a detachable simulation tunnel disease module or interference module arranged in the installation port. By inserting the simulation tunnel disease module or interference module into different installation ports, the relative position of the simulation tunnel disease module or interference module is changed, and a variety of defect conditions under different depths are detected and simulated to achieve the test effect. The radar detection equipment is slidably arranged on the top of the detection platform. The radar detection equipment can intuitively feel the radar imaging effect during movement from one direction to another along the arrangement direction of the installation ports of each test layer. The radar detection equipment runs more stably, the image is clearer, the test effect is better, and learning is facilitated. The I-shaped guide rail is used to support the support frame, the rail bottom has high stability, and the rail body has large carrying capacity, so that the radar detection equipment runs more stably. The geological radar is detachably installed on the radar moving support frame, which facilitates the disassembly and replacement of the radar and improves the practicality. The C-shaped support foot cooperates with the I-shaped guide rail to make the radar detection equipment run more stably, ensure that the image scanned by the geological radar is clearer, and improve the test efficiency. The radar support platform is composed of a metal square tube and a rectangular frame, and the cooperation of the two makes the structure more stable. The frame structure is not easy to shake in the horizontal state, ensuring that the image scanned by the geological radar is clearer and improving the test efficiency.The radar detection device is driven to move by abutting against the driving roller on the I-shaped guide rail, the movement of the radar detection device is more stable and controllable, the image scanned by the geological radar is ensured to be clearer, and the test efficiency is improved. The shock-absorbing sponge plays a shock-absorbing role on the geological radar, various simulated tunnel disease modules are arranged, the diversity of the test environment is increased, and the practicality is improved. Various interference modules are arranged, the diversity of the test environment is increased, and the practicality is improved. The concrete filling module is installed in the installation port without the interference module or the simulated tunnel disease module during the experiment, so that the empty installation port does not affect the experiment.

[0057] The above merely describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the contents of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A ground penetrating radar defect detection test platform, characterized in that, The detection platform and the radar detection device are included; the inside of the detection platform is provided with two or more test layers in the vertical direction, each test layer includes two or more installation ports arranged in the first horizontal direction, and the installation port is provided with a detachable simulation tunnel disease module or an interference module.

2. The GPR defect detection test platform of claim 1, wherein: The detection platform is provided with an I-shaped guide rail in the direction parallel to the first horizontal direction, and the radar moving support frame is slidably arranged on the I-shaped guide rail.

3. The GPR defect detection test platform of claim 2, wherein: The radar detection device includes a radar moving support frame and a ground penetrating radar, the radar moving support frame is slidably arranged on the I-shaped guide rail, and the ground penetrating radar is horizontally detachably mounted on the radar moving support frame.

4. The GPR defect detection test platform of claim 3, wherein: The radar moving support frame includes a support and a radar support platform, two supports are symmetrically arranged on both sides of the radar support platform, and the bottom of the support is provided with a C-shaped support foot matched with the I-shaped guide rail.

5. The GPR defect detection test platform of claim 4, wherein: The radar support platform includes two parallel metal square tubes and a rectangular frame movably arranged between the two metal square tubes for mounting the ground penetrating radar, and the metal square tube is connected with the support.

6. The ground penetrating radar defect detection test platform of claim 5, wherein: A driving roller arranged on the support is further included, and the driving roller abuts on the I-shaped guide rail to drive the movement of the radar detection device.

7. The ground penetrating radar defect detection test platform of claim 5, wherein: The top surface of the rectangular frame is provided with a shock-absorbing sponge.

8. The ground penetrating radar defect inspection test platform of claim 1, wherein: The simulation tunnel disease module includes a steel bar detection module and a profile steel module.

9. The ground penetrating radar defect inspection test platform of claim 1, wherein: The interference module includes a water accumulation module and a concrete cavity module.

10. The ground penetrating radar defect inspection test platform of claim 1, wherein: A concrete filling module is further included, and the concrete filling module is detachably connected with the installation port.

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