Ultrasonic concrete detection device and detection method thereof

Abstract

The present invention relates to the technical field of concrete detection, and discloses an ultrasonic concrete detection device and a detection method thereof, including an operating table, a driving motor, a detection box, a plug rod, a guide rail and an extrusion cover. When the present invention needs to perform detection, the driving motor is started and the ultrasonic detection probe is turned on, wherein the driving motor drives the rocker arm to rotate, the rocker arm drives the position of the rocker arm to change, the rocker arm pushes the detection box and the synchronous shaft to slide, wherein the synchronous shaft slides in the combined slide groove, and as the rocker arm moves, the synchronous shaft is finally driven to move along the path of the displacement groove, the reversing groove and the displacement groove, driving the entire detection box to move in a U shape, and then the left and right sides of the concrete slab are detected, so that the detection result is more accurate, and there is no need to repeatedly disassemble the concrete slab, so that the operation is simpler.

Description

Technical Field

[0001] The invention belongs to the technical field of concrete detection, and in particular, relates to an ultrasonic concrete detection device and a detection method thereof. Background Art

[0002] Concrete used in construction may have cracks in its internal structure when it solidifies, which will reduce the strength of the concrete structure and endanger the safety of the building. Non-destructive testing equipment is needed to detect its internal cracks. Among the five conventional tests of concrete non-destructive testing technology, ultrasonic testing is the most widely used, and the ultrasonic concrete testing device is an instrument for detecting the quality of concrete.

[0003] It was found during the use of the existing ultrasonic concrete detection device that when a thicker concrete slab needs to be detected, the operator is required to detect the front and back sides of the concrete slab. However, the existing detection method is to turn the entire concrete slab over after one side is detected before continuing the detection. Therefore, the operation is relatively complicated and is not conducive to improving the detection speed. In addition, each time the concrete slab is replaced, the switch clamping assembly needs to be repeated, and the operation process is relatively complicated.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] An ultrasonic concrete detection device comprises an operating table, a driving motor, a detection box, an insertion rod, a guide rail and an extrusion cover.

[0007] A base is installed on the operating table, a fixing base is installed on the base, side panels are symmetrically installed on both sides of the fixing base, and a concrete slab is arranged between the side panels.

[0008] A rocker arm is installed at the output end of the driving motor, and a swing arm is installed on the side wall of the rocker arm.

[0009] A plurality of pairs of ultrasonic detection probes are slidably installed inside the detection box, a pair of synchronization shafts are symmetrically installed on the side walls of the detection box, the ends of the synchronization shafts are rotationally connected to the ends of the swing arms, an arch bracket is installed on the outer wall of the side plate, and the arch bracket is slidably connected to the detection box shell, a combined slide groove is arranged between the arch bracket and the side plate, the combined slide groove comprises a displacement groove and a reversing groove, the displacement groove is a vertical groove, and the reversing groove is an arc groove.

[0010] The insertion rod movably penetrates the inner wall of the synchronization shaft, and a synchronization rod is installed at the end of the insertion rod. The synchronization rod and the ultrasonic detection probe are connected to each other, and a pressure plate is installed at the end of the insertion rod.

[0011] The guide rails are symmetrically installed on both sides of the side panels and are placed on both sides of the base. A plurality of pairs of crests and troughs are alternately provided on the guide rails, and the guide rails are slidably connected to the pressure plate. The crests and troughs on the surfaces of the guide rails on both sides of the base correspond to each other in an alternating manner.

[0012] The extrusion cover is installed on the base, and an extrusion rod is inserted inside the extrusion cover, the end of the extrusion rod is in contact with the fixed block installed on the side wall of the detection box, and an extrusion spring is arranged between the extrusion rod and the extrusion cover, a vertical rod is installed at the end of the extrusion rod, a connecting rod is installed on the side wall of the vertical rod, a synchronous plate is installed at the end of the connecting rod, a splint is installed on the synchronous plate, and the splint is slidably arranged on the surface of the fixed seat, and the splint is placed on both sides of the concrete slab.

[0013] As a preferred embodiment of the present invention, support legs are installed at the four corners of the operating table, anti-slip pads are provided at the bottom of the support legs, reinforcing ribs are installed on adjacent support legs, the heights of adjacent reinforcing ribs are different, and slots are opened on the side panels, and the size of the slots is adapted to the size of the concrete slab.

[0014] As a preferred embodiment of the present invention, a mounting seat is provided on the driving motor housing, the mounting seat is welded and arranged on the operating table, the driving motor output shaft is provided with a rotating shaft, the rotating shaft movably passes through the base, and a rocker arm is provided on the rotating shaft.

[0015] As a preferred embodiment of the present invention, a positioning slot is provided on the outer shell of the detection box, the ultrasonic detection probe corresponds to the positioning slot, and the ultrasonic detection probe corresponds to the detection surface of the concrete slab.

[0016] As a preferred embodiment of the present invention, an L-shaped bracket is installed on the side wall of the detection box, a guide slider is installed on the end of the L-shaped bracket, a guide rail is slidably arranged on the guide slider, the guide rail is welded on the side wall of the arch bracket, and the shape of the guide rail is the same as the shape of the combined slide groove.

[0017] As a preferred embodiment of the present invention, the bottom of the guide rail on the same side as the drive motor is welded to the drive motor housing, the bottom of the guide rail away from the drive motor is welded to the operating table, and a guide wheel is installed on the pressure plate, and the guide wheel and the guide rail are slidably connected.

[0018] As a preferred embodiment of the present invention, a slide plate is slidably arranged inside the synchronous shaft, one end of the slide plate is connected to the insertion rod, and the other end of the slide plate is connected to the synchronous rod, a return spring is installed on the insertion rod located on the inner side of the synchronous shaft, one end of the return spring is clamped on the side wall of the synchronous shaft, and the other end of the return spring is clamped on the slide plate, a partition is installed on the synchronous shaft, and the size of the hole reserved in the center of the partition plate is larger than the diameter of the insertion rod and smaller than the diameter of the slide plate.

[0019] As a preferred embodiment of the present invention, a push plate is installed on the top of the extrusion rod, the push plate and the fixed block are in contact with each other, a baffle is slidably arranged inside the extrusion cover, one end of the baffle is connected to the vertical rod, and the other end of the baffle is connected to the extrusion rod, an extrusion spring is sleeved on the extrusion rod, one end of the extrusion spring is clamped on the inner wall of the extrusion cover, and the other end is clamped on the baffle.

[0020] As a preferred embodiment of the present invention, a pair of through grooves are provided on the fixed seat, a clamping plate is slidably arranged on the through grooves, the synchronization plate movably passes through the gaps provided on the base and the fixed seat, and a limiting rod is horizontally installed in the inner cavity of the fixed seat, and the limiting rod and the synchronization plate are slidably connected.

[0021] As a preferred embodiment of the present invention, the detection method of the ultrasonic concrete detection device comprises the following steps:

[0022] Step 1: First, the operator places the concrete slab on the inner side of the side slab, ensuring that the height of the concrete slab does not exceed the height of the side slab;

[0023] Step 2: Then start the drive motor and turn on the ultrasonic detection probe, wherein the drive motor drives the rocker arm to rotate, the rocker arm drives the position of the rocker arm to change, the rocker arm pushes the detection box and the synchronous shaft to slide, wherein the synchronous shaft slides in the combined slide groove, and as the rocker arm moves, the synchronous shaft is finally driven to move along the path of the displacement groove, the reversing groove and the displacement groove, driving the entire detection box to move in a U shape, and then the left and right sides of the concrete slab are detected, so that the detection result is more accurate;

[0024] Step 3: During the sliding of the synchronous shaft, the insertion rod and the pressure plate on the synchronous shaft slide on the guide rail. Since the troughs and peaks on the guide rails on both sides correspond to each other, the insertion rod is driven to move back and forth, and the insertion rod drives the synchronous rod to move. The ultrasonic detection probe on the synchronous rod slides horizontally, and the ultrasonic detection probe slides vertically synchronously, thereby further improving the detection range;

[0025] Step 4: During the movement of the test box, the fixed block and the extrusion rod on the side wall of the test box are separated, and the extrusion rod is driven upward by the extrusion spring, and the extrusion rod drives the vertical rod to move, and the vertical rod drives the synchronous plate to slide toward the center through the connecting rod, and the clamping plate on the synchronous plate slides synchronously, and the clamping plate clamps the concrete slab to make the test result more accurate.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] When detection is required, start the drive motor and turn on the ultrasonic detection probe, wherein the drive motor drives the rocker arm to rotate, the rocker arm drives the position of the swing arm to change, the swing arm pushes the detection box and the synchronous shaft to slide, wherein the synchronous shaft slides in the combined slide groove, and as the swing arm moves, it eventually drives the synchronous shaft to move along the path of the shift groove, the reversing groove and the shift groove, driving the entire detection box to move in a U shape, and then detects the left and right sides of the concrete slab, so that the detection result is more accurate, and there is no need to repeatedly disassemble the concrete slab, making the operation simpler.

[0028] During the sliding of the synchronous shaft, the insertion rod and the pressure plate on the synchronous shaft slide on the guide rail. Since the troughs and peaks on the guide rails on both sides correspond to each other, the insertion rod is driven to move back and forth, and the insertion rod drives the synchronous rod to move. The ultrasonic detection probe on the synchronous rod slides horizontally, and the ultrasonic detection probe slides vertically synchronously, thereby further improving the detection range and making the detection result more accurate.

[0029] During the movement of the detection box, the fixed block and the extrusion rod on the side wall of the detection box are separated, and the extrusion rod is driven upward by the extrusion spring, and the extrusion rod drives the vertical rod to move, and the vertical rod drives the synchronous plate to slide toward the center through the connecting rod, and the clamping plates on the synchronous plate slide synchronously, and the clamping plates clamp and fix the automatic concrete plate, making the detection result more accurate and the operation simpler.

[0030] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In the attached picture:

[0032] Figure 1 It is a schematic diagram of the front structure of an ultrasonic concrete detection device;

[0033] Figure 2 It is a schematic diagram of the three-dimensional structure of an ultrasonic concrete detection device;

[0034] Figure 3 An ultrasonic concrete testing device Figure 2 Enlarged view of point A in the middle;

[0035] Figure 4 It is a schematic diagram of the structure of an ultrasonic concrete detection device after the concrete slab is dismantled;

[0036] Figure 5 An ultrasonic concrete testing device Figure 4 Side view;

[0037] Figure 6 An ultrasonic concrete testing device Figure 5 Enlarged view of point B in the middle;

[0038] Figure 7 A cross-sectional view of an extrusion cover of an ultrasonic concrete detection device;

[0039] Figure 8 A partial cross-sectional view of a detection box of an ultrasonic concrete detection device.

[0040] In the figure:

[0041] 1. Operating table; 11. Support legs; 111. Reinforcement ribs; 12. Base; 121. Fixed seat; 122. Side panel; 123. Card slot;

[0042] 2. driving motor; 21. mounting seat; 211. rotating shaft; 22. rocker arm; 221. swing arm;

[0043] 3. Detection box; 31. Ultrasonic detection probe; 311. Positioning slide; 312. Synchronous shaft; 32. L-shaped bracket; 321. Guide slider; 322. Guide rail; 323. Arch bracket; 33. Combined slide; 331. Shifting slot; 332. Reversing slot;

[0044] 4. Guide track; 41. Wave trough; 42. Wave crest;

[0045] 5. Insertion rod; 51. Pressing plate; 511. Guide wheel; 52. Slide plate; 521. Return spring; 522. Partition plate; 523. Synchronous rod;

[0046] 6. Extrusion cover; 61. Baffle; 611. Extrusion rod; 612. Push plate; 613. Extrusion spring; 614. Fixed block; 62. Vertical rod; 621. Connecting rod;

[0047] 7, clamping plate; 71, synchronous plate; 711, through groove; 712, notch; 72, limit rod;

[0048] 8. Concrete slab. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0050] Embodiment 1, as Figures 1 to 8 As shown, an ultrasonic concrete detection device includes an operating platform 1, a driving motor 2, a detection box 3, an insertion rod 5, a guide rail 4 and an extrusion cover 6.

[0051] A base 12 is installed on the operating table 1, a fixing seat 121 is installed on the base 12, side panels 122 are symmetrically installed on both sides of the fixing seat 121, and a concrete slab 8 is arranged between the side panels 122;

[0052] A rocker arm 22 is installed at the output end of the driving motor 2, and a rocker arm 221 is installed on the side wall of the rocker arm 22; a plurality of pairs of ultrasonic detection probes 31 are slidably installed inside the detection box 3, and a pair of synchronous shafts 312 are symmetrically installed on the side wall of the detection box 3, and the ends of the synchronous shafts 312 are rotatably connected to the ends of the rocker arms 221, and an arch bracket 323 is installed on the outer wall of the side plate 122, and the arch bracket 323 is slidably connected to the outer shell of the detection box 3, and a combined slide groove 33 is arranged between the arch bracket 323 and the side plate 122, and the combined slide groove 33 includes a displacement groove 331 and a reversing groove 332, the displacement groove 331 is a vertical groove, and the reversing groove 332 is a vertical groove. 32 is an arc groove; wherein the driving motor 2 drives the rocker arm 22 to rotate, and the rocker arm 22 drives the position of the rocker arm 221 to change, and the rocker arm 221 pushes the detection box 3 and the synchronous shaft 312 to slide, wherein the synchronous shaft 312 slides in the combined slide groove 33, and with the movement of the rocker arm 221, it finally drives the synchronous shaft 312 to move along the path of the shift groove 331, the reversing groove 332 and the shift groove 331, and drives the entire detection box 3 to move in a U shape, and then detects the left and right sides of the concrete slab 8, so that the detection result is more accurate, and there is no need to repeatedly disassemble the concrete slab, making the operation simpler.

[0053] The insertion rod 5 movably penetrates the inner wall of the synchronization shaft 312, and a synchronization rod 523 is installed at the end of the insertion rod 5, the synchronization rod 523 and the ultrasonic detection probe 31 are connected to each other, and a pressure plate 51 is installed at the end of the insertion rod 5; the guide rails 4 are symmetrically installed on both sides of the side plates 122, and the guide rails 4 are placed on both sides of the base 12, and a plurality of pairs of crests 42 and troughs 41 are alternately provided on the guide rails 4, and the guide rails 4 and the pressure plate 51 are slidably connected, and the crests 42 and troughs 41 on the surfaces of the guide rails 4 on both sides of the base 12 correspond alternately; in the process of sliding of the synchronization shaft 312, the insertion rod 5 and the pressure plate 51 on the synchronization shaft 312 slide on the guide rails 4, because the troughs 41 and crests 42 on the guide rails 4 on both sides correspond alternately, thereby driving the insertion rod 5 to reciprocate left and right, and the insertion rod 5 drives the synchronization rod 523 to move, and the ultrasonic detection probe 31 on the synchronization rod 523 slides horizontally, and the ultrasonic detection probe 31 slides vertically synchronously, thereby further improving the detection range.

[0054] The extrusion cover 6 is installed on the base 12, and an extrusion rod 611 is inserted inside the extrusion cover 6, the end of the extrusion rod 611 is fitted with a fixed block 614 installed on the side wall of the detection box 3, and an extrusion spring 613 is arranged between the extrusion rod 611 and the extrusion cover 6, a vertical rod 62 is installed at the end of the extrusion rod 611, a connecting rod 621 is installed on the side wall of the vertical rod 62, a synchronous plate 71 is installed at the end of the connecting rod 621, a clamping plate 7 is installed on the synchronous plate 71, and the clamping plate 7 is slidably arranged on the surface of the fixed seat 121, and the clamping plate 7 is placed on both sides of the concrete plate 8. In the process of moving the detection box 3, the fixed block 614 on the side wall of the detection box 3 is separated from the extrusion rod 611, and the extrusion spring 613 drives the extrusion rod 611 to move upward, and the extrusion rod 611 drives the vertical rod 62 to move, and the vertical rod 62 drives the synchronous plate 71 to slide toward the center through the connecting rod 621, and the clamping plate 7 on the synchronous plate 71 slides synchronously, and the clamping plate 7 clamps and fixes the concrete plate 8, so that the detection result is more accurate.

[0055] like Figures 1 to 8 As shown, in a specific implementation, support legs 11 are installed at the four corners of the operating table 1, and anti-skid pads are arranged at the bottom of the support legs 11. The support legs 11 have a supporting effect, and the anti-skid pads can increase the anti-skid performance of the equipment. Reinforcing ribs 111 are installed on adjacent support legs 11, and the heights of adjacent reinforcing ribs 111 are different. The reinforcing ribs 111 can improve the overall structural strength of the equipment. A slot 123 is opened on the side panel 122, and the size of the slot 123 is adapted to the size of the concrete slab 8. The slot 123 facilitates the later installation of the concrete slab 8.

[0056] like Figures 1 to 8 As shown, further, a mounting seat 21 is provided on the housing of the driving motor 2, and the mounting seat 21 is welded and arranged on the operating table 1. A rotating shaft 211 is installed on the output shaft of the driving motor 2, and the rotating shaft 211 movably penetrates the base 12, and a rocker arm 22 is installed on the rotating shaft 211. The driving motor 2 can drive the rotating shaft 211 to rotate, and the rotating shaft 211 drives the rocker arm 22 to rotate.

[0057] Embodiment 2, based on the above embodiment and the difference between this embodiment and the present embodiment is: Figures 1 to 8As shown, a positioning slot 311 is provided on the outer shell of the detection box 3, and the ultrasonic detection probe 31 corresponds to the positioning slot 311, and the ultrasonic detection probe 31 corresponds to the detection surface of the concrete slab 8. An L-shaped bracket 32 ​​is installed on the side wall of the detection box 3, and a guide slider 321 is installed at the end of the L-shaped bracket 32. A guide rail 322 is slidably provided on the guide slider 321. The guide rail 322 is welded on the side wall of the arch bracket 323, and the shape of the guide rail 322 is the same as that of the combined slot 33. When the detection box 3 slides, the ultrasonic detection probe 31 on the side wall of the detection box 3 slides synchronously, and the position of the L-shaped bracket 32 ​​on the side wall of the detection box 3 moves synchronously, and the guide slider 321 on the L-shaped bracket 32 ​​slides on the guide rail 322, thereby playing a guiding role.

[0058] like Figures 1 to 8 As shown, in a specific embodiment, the bottom of the guide track 4 on the same side as the drive motor 2 is welded to the housing of the drive motor 2, and the bottom of the guide track 4 away from the drive motor 2 is welded to the operating table 1, and a guide wheel 511 is installed on the pressure plate 51, and the guide wheel 511 and the guide track 4 are slidably connected. During the sliding process of the synchronous shaft 312, the insertion rod 5 and the pressure plate 51 on the synchronous shaft 312 slide on the guide track 4. Since the troughs 41 and the peaks 42 on the guide tracks 4 on both sides correspond to each other, the insertion rod 5 is driven to move back and forth, and the insertion rod 5 drives the synchronous rod 523 to move, and the ultrasonic detection probe 31 on the synchronous rod 523 slides horizontally, and the ultrasonic detection probe 31 slides vertically synchronously, thereby further improving the detection range.

[0059] like Figures 1 to 8 As shown, further, a slide plate 52 is slidably arranged inside the synchronization shaft 312, one end of the slide plate 52 is connected to the insertion rod 5, and the other end of the slide plate 52 is connected to the synchronization rod 523. A reset spring 521 is installed on the insertion rod 5 located inside the synchronization shaft 312, one end of the reset spring 521 is clamped on the side wall of the synchronization shaft 312, and the other end of the reset spring 521 is clamped on the slide plate 52. A partition 522 is installed on the synchronization shaft 312, and the size of the hole reserved in the center of the partition 522 is larger than the diameter of the insertion rod 5 and smaller than the diameter of the slide plate 52. When the insertion rod 5 slides, the slide plate 52 on the insertion rod 5 slides on the synchronization shaft 312, and the slide plate 52 can squeeze the reset spring 521, and the reset operation is convenient for the later stage through the reset spring 521 after squeezing.

[0060] Embodiment 3, based on the above embodiment and the difference between this embodiment and the present embodiment is: Figures 1 to 8As shown, a push plate 612 is installed on the top of the extrusion rod 611, and the push plate 612 and the fixed block 614 fit each other. A baffle 61 is slidably arranged inside the extrusion cover 6, and one end of the baffle 61 is connected to the vertical rod 62, and the other end of the baffle 61 is connected to the extrusion rod 611. An extrusion spring 613 is sleeved on the extrusion rod 611, and one end of the extrusion spring 613 is clamped on the inner wall of the extrusion cover 6, and the other end is clamped on the baffle 61. During the movement of the detection box 3, the fixed block 614 on the side wall of the detection box 3 and the push plate 612 on the extrusion rod 611 are separated, and the baffle 61 is driven to slide upward by the extrusion spring 613. The baffle 61 pushes the extrusion rod 611 to move upward at this time, and the baffle 61 can drive the vertical rod 62 to move, and the vertical rod 62 drives the synchronous plate 71 to slide toward the center through the connecting rod 621, and the clamping plate 7 on the synchronous plate 71 slides synchronously, and the clamping plate 7 clamps and fixes the concrete plate 8, so that the detection result is more accurate.

[0061] like Figures 1 to 8 As shown, in a specific embodiment, a pair of through grooves 711 are opened on the fixed seat 121, and a clamping plate 7 is slidably arranged on the through grooves 711. The synchronization plate 71 moves through the notch 712 opened by the base 12 and the fixed seat 121, and a limiting rod 72 is horizontally installed in the inner cavity of the fixed seat 121. The limiting rod 72 and the synchronization plate 71 are slidably connected, wherein the through grooves 711 and the notch 712 mainly serve the purpose of limiting, and the limiting rod 72 constrains the sliding of the synchronization plate 71.

[0062] The present invention also discloses a detection method of an ultrasonic concrete detection device, the steps of which are as follows:

[0063] Step 1: First, the operator places the concrete slab 8 on the inner side of the side plate 122, ensuring that the height of the concrete slab 8 does not exceed the height of the side plate 122;

[0064] Step 2: Then start the drive motor 2 and turn on the ultrasonic detection probe 31, wherein the drive motor 2 drives the rocker arm 22 to rotate, the rocker arm 22 drives the position of the rocker arm 221 to change, the rocker arm 221 pushes the detection box 3 and the synchronous shaft 312 to slide, wherein the synchronous shaft 312 slides in the combined slide groove 33, and as the rocker arm 221 moves, the synchronous shaft 312 is finally driven to move along the path of the displacement groove 331, the reversing groove 332 and the displacement groove 331, driving the entire detection box 3 to move in a U shape, and then the left and right sides of the concrete slab 8 are detected, so that the detection result is more accurate;

[0065] Step 3: During the sliding of the synchronization shaft 312, the insertion rod 5 and the pressure plate 51 on the synchronization shaft 312 slide on the guide rail 4. Since the troughs 41 and the peaks 42 on the guide rails 4 on both sides correspond to each other, the insertion rod 5 is driven to move back and forth, and the insertion rod 5 drives the synchronization rod 523 to move. The ultrasonic detection probe 31 on the synchronization rod 523 slides horizontally, and the ultrasonic detection probe 31 slides vertically synchronously, thereby further improving the detection range;

[0066] Step 4: During the movement of the detection box 3, the fixed block 614 and the extrusion rod 611 on the side wall of the detection box 3 are separated, and the extrusion rod 611 is driven to move upward by the extrusion spring 613, and the extrusion rod 611 drives the vertical rod 62 to move, and the vertical rod 62 drives the synchronous plate 71 to slide toward the center through the connecting rod 621, and the clamping plate 7 on the synchronous plate 71 slides synchronously, and the clamping plate 7 clamps and fixes the concrete plate 8, so that the detection result is more accurate.

[0067] The implementation principle of an ultrasonic concrete detection device and detection method of this embodiment is as follows:

[0068] First, the operator places the concrete slab 8 on the inner side of the side plate 122 to ensure that the height of the concrete slab 8 does not exceed the height of the side plate 122 .

[0069] Then the operator needs to start the drive motor 2 and turn on the ultrasonic detection probe 31, wherein the drive motor 2 drives the rocker arm 22 to rotate, and the rocker arm 22 drives the swing arm 221 to change its position, and the swing arm 221 pushes the detection box 3 and the synchronization shaft 312 to slide, wherein the synchronization shaft 312 slides in the combined slide groove 33, and with the movement of the swing arm 221, it finally drives the synchronization shaft 312 to move along the path of the shift groove 331, the reversing groove 332 and the shift groove 331, driving the entire detection box 3 to move in a U shape, and then detecting the left and right sides of the concrete slab 8, so that the detection result is more accurate, and there is no need to repeatedly disassemble the concrete slab 8, making the overall operation simpler.

[0070] When the detection box 3 slides, the ultrasonic detection probe 31 on the side wall of the detection box 3 slides synchronously, and the position of the L-shaped bracket 32 ​​on the side wall of the detection box 3 moves synchronously, and the guide slider 321 on the L-shaped bracket 32 ​​slides on the guide rail 322, thereby playing a guiding role.

[0071] During the sliding of the synchronization shaft 312, the insertion rod 5 and the pressure plate 51 on the synchronization shaft 312 slide on the guide rail 4. Since the troughs 41 and the peaks 42 on the guide rails 4 on both sides correspond to each other, the insertion rod 5 is driven to move back and forth left and right. The insertion rod 5 drives the synchronization rod 523 to move, and the ultrasonic detection probe 31 on the synchronization rod 523 slides horizontally, and the ultrasonic detection probe 31 slides vertically synchronously, thereby further improving the detection range. When the insertion rod 5 slides, the slide plate 52 on the insertion rod 5 slides on the synchronization shaft 312, and the slide plate 52 can squeeze the reset spring 521, and the reset operation is convenient for the later stage through the squeezed reset spring 521.

[0072] During the movement of the detection box 3, the fixed block 614 on the side wall of the detection box 3 and the push plate 612 on the extrusion rod 611 are separated, and the baffle plate 61 is driven to slide upward by the extrusion spring 613. The baffle plate 61 pushes the extrusion rod 611 to move upward at this time, and the baffle plate 61 can drive the vertical rod 62 to move, and the vertical rod 62 drives the synchronous plate 71 to slide toward the center through the connecting rod 621. The clamping plate 7 on the synchronous plate 71 slides synchronously, and the clamping plate 7 clamps and fixes the concrete plate 8, so that the detection result is more accurate.

Claims

1. An ultrasonic concrete detection device, characterized in that: include: An operating table (1), wherein a base (12) is mounted on the operating table (1), a fixing seat (121) is mounted on the base (12), side panels (122) are symmetrically mounted on both sides of the fixing seat (121), and a concrete slab (8) is arranged between the side panels (122); A driving motor (2), wherein a rocker arm (22) is mounted on an output end of the driving motor (2), and a swing arm (221) is mounted on a side wall of the rocker arm (22); A detection box (3), wherein a plurality of pairs of ultrasonic detection probes (31) are slidably mounted inside the detection box (3), a pair of synchronization shafts (312) are symmetrically mounted on the side walls of the detection box (3), the ends of the synchronization shafts (312) are rotatably connected to the ends of the swing arms (221), an arched bracket (323) is mounted on the outer wall of the side plate (122), and the arched bracket (323) and the outer shell of the detection box (3) are slidably connected, a combined slide groove (33) is arranged between the arched bracket (323) and the side plate (122), the combined slide groove (33) comprises a displacement groove (331) and a reversing groove (332), the displacement groove (331) is a vertical groove, and the reversing groove (332) is a circular arc groove; An L-shaped bracket (32) is installed on the side wall of the detection box (3), a guide slider (321) is installed at the end of the L-shaped bracket (32), a guide rail (322) is slidably arranged on the guide slider (321), the guide rail (322) is welded to the side wall of the arch bracket (323), and the shape of the guide rail (322) is the same as that of the combined slide groove (33); An insertion rod (5), the insertion rod (5) movably passing through the inner wall of the synchronization shaft (312), and a synchronization rod (523) is installed at the end of the insertion rod (5), the synchronization rod (523) and the ultrasonic detection probe (31) are connected to each other, and a pressure plate (51) is installed at the end of the insertion rod (5); A guide rail (4), wherein the guide rail (4) is symmetrically mounted on both sides of the side plate (122), and the guide rail (4) is placed on both sides of the base (12), and a plurality of pairs of wave crests (42) and wave troughs (41) are alternately provided on the guide rail (4), and the guide rail (4) and the pressure plate (51) are slidably connected, and the wave crests (42) and wave troughs (41) on the surface of the guide rail (4) on both sides of the base (12) correspond to each other in an alternating manner; An extrusion cover (6), wherein the extrusion cover (6) is mounted on a base (12), and an extrusion rod (611) is inserted and arranged inside the extrusion cover (6), the end of the extrusion rod (611) is in contact with a fixed block (614) mounted on the side wall of the detection box (3), and an extrusion spring (613) is arranged between the extrusion rod (611) and the extrusion cover (6), a vertical rod (62) is mounted on the end of the extrusion rod (611), a connecting rod (621) is mounted on the side wall of the vertical rod (62), a synchronous plate (71) is mounted on the end of the connecting rod (621), a clamping plate (7) is mounted on the synchronous plate (71), and the clamping plate (7) is slidably arranged on the surface of the fixed seat (121), and the clamping plate (7) is placed on both sides of the concrete slab (8).

2. The ultrasonic concrete detection device according to claim 1, characterized in that: Support legs (11) are installed at the four corners of the operating table (1), and anti-slip pads are arranged at the bottom of the support legs (11). Reinforcing ribs (111) are installed on adjacent support legs (11), and the heights of adjacent reinforcing ribs (111) are different. A slot (123) is provided on the side panel (122), and the size of the slot (123) is adapted to the size of the concrete slab (8).

3. The ultrasonic concrete detection device according to claim 1, characterized in that: A mounting seat (21) is provided on the housing of the drive motor (2), the mounting seat (21) being welded and mounted on the operating table (1), a rotating shaft (211) being mounted on the output shaft of the drive motor (2), the rotating shaft (211) movably passing through the base (12), and a rocker arm (22) being mounted on the rotating shaft (211).

4. The ultrasonic concrete detection device according to claim 1, characterized in that: A positioning slot (311) is provided on the outer shell of the detection box (3), the ultrasonic detection probe (31) and the positioning slot (311) correspond to each other, and the ultrasonic detection probe (31) and the detection surface of the concrete slab (8) correspond to each other.

5. The ultrasonic concrete detection device according to claim 1, characterized in that: The bottom of the guide rail (4) on the same side as the drive motor (2) is welded to the housing of the drive motor (2), and the bottom of the guide rail (4) away from the drive motor (2) is welded to the operating table (1), and a guide wheel (511) is installed on the pressure plate (51), and the guide wheel (511) and the guide rail (4) are slidably connected.

6. The ultrasonic concrete detection device according to claim 1, characterized in that: A slide plate (52) is slidably arranged inside the synchronization shaft (312), one end of the slide plate (52) is connected to the insertion rod (5), and the other end of the slide plate (52) is connected to the synchronization rod (523). A return spring (521) is installed on the insertion rod (5) located inside the synchronization shaft (312), one end of the return spring (521) is clamped on the side wall of the synchronization shaft (312), and the other end of the return spring (521) is clamped on the slide plate (52). A partition plate (522) is installed on the synchronization shaft (312), and the size of the hole reserved in the center of the partition plate (522) is larger than the diameter of the insertion rod (5) and smaller than the diameter of the slide plate (52).

7. The ultrasonic concrete detection device according to claim 1, characterized in that: A push plate (612) is installed on the top of the extrusion rod (611), and the push plate (612) and the fixed block (614) are fitted together. A baffle (61) is slidably arranged inside the extrusion cover (6), one end of the baffle (61) is connected to the vertical rod (62), and the other end of the baffle (61) is connected to the extrusion rod (611). An extrusion spring (613) is sleeved on the extrusion rod (611), one end of the extrusion spring (613) is clamped to the inner wall of the extrusion cover (6), and the other end is clamped to the baffle (61).

8. The ultrasonic concrete detection device according to claim 1, characterized in that: The fixing seat (121) is provided with a pair of through slots (711), a clamping plate (7) is slidably provided on the through slots (711), the synchronizing plate (71) movably passes through the notch (712) provided on the base (12) and the fixing seat (121), and a limiting rod (72) is transversely installed in the inner cavity of the fixing seat (121), and the limiting rod (72) and the synchronizing plate (71) are slidably connected.

9. A detection method of an ultrasonic concrete detection device, characterized in that: An ultrasonic concrete detection device according to any one of claims 1 to 8, wherein the method steps are as follows: Step 1: First, the operator places the concrete slab (8) on the inner side of the side plate (122), ensuring that the height of the concrete slab (8) does not exceed the height of the side plate (122); Step 2: Then, the drive motor (2) is started and the ultrasonic detection probe (31) is turned on, wherein the drive motor (2) drives the rocker arm (22) to rotate, and the rocker arm (22) drives the swing arm (221) to change its position, and the swing arm (221) pushes the detection box (3) and the synchronous shaft (312) to slide, wherein the synchronous shaft (312) slides in the combined slide groove (33), and as the swing arm (221) moves, the synchronous shaft (312) is finally driven to move along the path of the displacement groove (331), the reversing groove (332) and the displacement groove (331), driving the entire detection box (3) to move in a U shape, thereby detecting the left and right sides of the concrete slab (8), so that the detection result is more accurate; Step 3: During the sliding of the synchronization shaft (312), the insertion rod (5) and the pressure plate (51) on the synchronization shaft (312) slide on the guide rail (4). Since the troughs (41) and the peaks (42) on the guide rails (4) on both sides correspond to each other, the insertion rod (5) is driven to move back and forth. The insertion rod (5) drives the synchronization rod (523) to move. The ultrasonic detection probe (31) on the synchronization rod (523) slides horizontally, and the ultrasonic detection probe (31) slides vertically synchronously, thereby further improving the detection range. Step 4: During the movement of the detection box (3), the fixed block (614) and the extrusion rod (611) on the side wall of the detection box (3) are separated, and the extrusion rod (611) is driven to move upward by the extrusion spring (613), and the extrusion rod (611) drives the vertical rod (62) to move, and the vertical rod (62) drives the synchronous plate (71) to slide toward the center through the connecting rod (621), and the clamping plate (7) on the synchronous plate (71) slides synchronously, and the clamping plate (7) clamps and fixes the concrete plate (8), so that the detection result is more accurate.

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