Adjustable automatic sensor recovery device for pile ultrasonic testing

Abstract

The utility model discloses a kind of adjustable automatic sensor recovery device of foundation pile ultrasonic testing, it is related to ultrasonic testing technical field, the utility model includes two bottom plate, two the top of bottom plate is separately connected with fixed frame, two The adjusting mechanism is set on two bottom plate, two The detection mechanism is set on the top of fixed frame, the adjusting mechanism includes the fixed column of sliding connection in two fixed column inner wall, the fixed column inner wall is connected with screw rod, the outer wall of screw rod is rotatably connected with bottom plate inner wall, two The top of fixed column is separately connected with connecting block, the bottom of screw rod is fixedly connected with knob, the utility model is rotated by rotating knob and drives screw rod to rotate, to make the height of fixed column change, satisfy the separate leveling demand under the uneven ground scene near foundation pile, first limiting block can also be used to lock screw rod, avoid subsequent compression, produce the deviation in height.

Description

Technical Field

[0001] This utility model belongs to the field of ultrasonic testing technology, and in particular relates to an adjustable automatic sensor recovery device for ultrasonic testing of foundation piles. Background Technology

[0002] Ultrasonic testing of foundation piles is one of the most effective methods recognized internationally for detecting the integrity of large-diameter cast-in-place piles. It involves transmitting and receiving high-frequency sound waves in a sonic logging tube embedded in the pile body, and comprehensively judging whether there are defects in the pile body based on the changes in acoustic parameters such as sound velocity, amplitude, frequency and waveform of the sound waves propagating in the concrete.

[0003] Chinese patent CN212207209U discloses an ultrasonic testing device for foundation piles, comprising a sonic logging tube, a sonic logging line, and a testing probe. A roller is slidably connected to the inner wall of the sonic logging tube. A connecting rod is fixedly connected to the side of the roller away from the sonic logging tube. The end of the connecting rod away from the roller is rotatably connected to the mounting base via a rotating bolt. A testing probe is fixedly connected to the side of the mounting base away from the rotating bolt. A piston column is fixedly connected to the outer side of the testing probe. A guide wheel is fixedly connected to the end of the crossbar away from the support column and the notch.

[0004] As shown above, the height of the two sides of the device cannot be adjusted independently. If the ground at the top of the pile is uneven, the detection probe may tilt. This tilt may cause poor coupling between the probe and the pile, which in turn affects the accuracy of sound wave transmission, resulting in deviations in the detection data or even misjudgments. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles, which solves the problem of inaccurate measurement data caused by uneven soil at the top of the foundation piles.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable automatic sensor recovery device for ultrasonic testing of foundation piles, comprising two base plates, with fixed frames fixedly connected to the top of each base plate, an adjustment mechanism on each base plate, and a detection mechanism on the top of each fixed frame, and further comprising: The adjustment mechanism includes fixed columns that are slidably connected to the inner walls of two fixed columns. A lead screw is threadedly connected to the inner wall of the fixed column. The outer wall of the lead screw is rotatably connected to the inner wall of the base plate. A connecting block is fixedly connected to the top of each of the two fixed columns. A knob is fixedly connected to the bottom of the lead screw. A locking component is provided on the knob for locking the rotation angle of the knob.

[0007] Preferably, the locking assembly includes two T-shaped blocks slidably connected to the inner wall of the base plate, with a first telescopic rod fixedly connected to the bottom of each of the two T-shaped blocks, and a fixing plate fixedly connected to the bottom of each of the two first telescopic rods. Two first springs are fixedly connected to the side of the fixing plate near the first telescopic rod.

[0008] Preferably, the ends of the two first springs away from the fixed plate are fixedly connected to the outer walls of the two T-blocks, the two first telescopic rods are respectively located inside the two first springs, a first limiting block is fixedly connected to the top of the fixed plate, and a limiting groove adapted to the first limiting block is opened inside the knob.

[0009] Preferably, the detection mechanism includes a connecting plate rotatably connected to the inner walls of two connecting blocks, a motor fixedly connected to the outer wall of the connecting plate, a take-up drum fixedly connected to the output shaft of the motor via a coupling, a connecting line fixedly connected to the outer wall of the take-up drum, a detection block fixedly connected to the end of the connecting line away from the take-up drum, and a locking block inserted into the inner wall of the detection block.

[0010] Preferably, an ultrasonic detector is fixedly connected to the bottom of the card block for detecting the foundation pile. Two bidirectional screw rods are rotatably connected to the inner wall of the detector block, and two second limiting blocks are threadedly connected to the outer wall of the bidirectional screw rods. The card block is provided with limiting holes that are adapted to the second limiting blocks. The outer wall of the detector block is rotatably connected to two first support plates. A second telescopic rod is fixedly connected to the outer wall of the first support plate. The second support plate is fixedly connected to the side of the second telescopic rod away from the first support plate. A second spring is fixedly connected to the outer wall of the second support plate. The end of the second spring away from the second support plate is fixedly connected to the outer wall of the first support plate. The second telescopic rod is located inside the second spring.

[0011] Preferably, the outer wall of the detector block is rotatably connected to two third support plates, the inner walls of the two third support plates are rotatably connected to rollers, and the outer wall of the third support plate is rotatably connected to the inner wall of the second support plate.

[0012] This utility model has the following beneficial effects: 1. The adjustable automatic sensor recovery device for ultrasonic testing of foundation piles can rotate the screw rod by turning the knob, thereby changing the height of the fixed column. This meets the need for individual leveling in scenarios where the ground near the foundation pile is uneven. The screw rod can also be locked by the first limit block to prevent subsequent pressure and height deviation.

[0013] 2. This adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles uses the inner wall of the acoustic tube to squeeze the rollers, which in turn moves the third and second support plates, causing the angle of the second support plate to change and compressing the second telescopic rod and the second spring. This ensures that the rollers are in close contact with the inner wall of the acoustic tube. Because the structures on both sides are symmetrical and the spring reaction forces are the same, it ensures that the ultrasonic detector is always in the center of the acoustic tube, guaranteeing the accuracy of the test data. At the same time, the ultrasonic detector can be quickly removed for testing and maintenance.

[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the lead screw structure of this utility model; Figure 3 This is a schematic diagram of the connecting plate structure of this utility model; Figure 4 This is a schematic diagram of the ultrasonic detector structure of this utility model; Figure 5 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0017] The attached diagram lists the components represented by each number as follows: 1. Base plate; 101. Fixed frame; 2. Adjustment mechanism; 201. Fixed column; 202. Lead screw; 203. Connecting block; 204. Knob; 205. T-block; 206. First telescopic rod; 207. Fixed plate; 208. First spring; 209. First limit block; 3. Detection mechanism; 301. Connecting plate; 302. Motor; 303. Take-up drum; 304. Connecting wire; 305. Detector block; 306. Ultrasonic detector; 307. Locking block; 308. Bidirectional lead screw; 309. Second limit block; 310. First support plate; 311. Second telescopic rod; 312. Second support plate; 313. Second spring; 314. Third support plate; 315. Roller. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] This utility model provides two technical solutions: Figures 1-2 , Figure 5 This illustrates an embodiment of a first type of adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles: An adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles includes two base plates 1, with fixed frames 101 fixedly connected to the top of each base plate 1. An adjustment mechanism 2 is provided on each base plate 1, and a detection mechanism 3 is provided on the top of each fixed frame 101. The device also includes: The adjustment mechanism 2 includes a fixed column 201 that is slidably connected to the inner wall of two fixed columns 201. A lead screw 202 is threadedly connected to the inner wall of the fixed column 201. The outer wall of the lead screw 202 is rotatably connected to the inner wall of the base plate 1. A connecting block 203 is fixedly connected to the top of the two fixed columns 201 respectively. A knob 204 is fixedly connected to the bottom of the lead screw 202. A locking component is provided on the knob 204 for locking the rotation angle of the knob 204.

[0020] The locking assembly includes two T-shaped blocks 205 slidably connected to the inner wall of the base plate 1. The bottom of each T-shaped block 205 is fixedly connected to a first telescopic rod 206. The bottom of each first telescopic rod 206 is fixedly connected to a fixing plate 207. Two first springs 208 are fixedly connected to the side of the fixing plate 207 near the first telescopic rod 206. The ends of the two first springs 208 away from the fixing plate 207 are fixedly connected to the outer wall of the two T-shaped blocks 205. The two first telescopic rods 206 are located inside the two first springs 208. A first limiting block 209 is fixedly connected to the top of the fixing plate 207. A limiting groove adapted to the first limiting block 209 is opened inside the knob 204.

[0021] When the ground near the foundation pile is uneven, the height of one side needs to be adjusted separately. First, manually rotate knob 204 to rotate screw 202. As screw 202 rotates, it will move the fixed column 201 upward. At this time, the fixed frame 101 will limit it. After the height adjustment is completed, in order to prevent the weight above the fixed column 201 from being compressed and thus changing the height, screw 202 needs to be limited to prevent it from rotating. At this time, pull the fixed plate 207 down to stretch the first telescopic rod 206 and the first spring 208. Then move the position of the fixed plate 207 so that the first limit block 206 is pulled down. 09 can correspond to the limiting groove on the knob 204. At this time, the fixing plate 207 is released. Due to the tension of the first spring 208 itself, the fixing plate 207 will be pulled, which will cause the first limiting block 209 to be engaged in the knob 204, fixing the rotation angle of the knob 204, thereby fixing the rotation angle of the lead screw 202. This mechanism drives the lead screw 202 to rotate by rotating the knob 204, thereby changing the height of the fixing column 201, which meets the individual leveling needs in the scenario of uneven ground near the foundation pile. The first limiting block 209 can also lock the lead screw 202 to avoid subsequent pressure and height deviation.

[0022] Figures 3-4The second embodiment is shown. The main difference between this embodiment and the first embodiment of the adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles is that the detection mechanism 3 includes a connecting plate 301 rotatably connected to the inner walls of two connecting blocks 203. A motor 302 is fixedly connected to the outer wall of the connecting plate 301. The output shaft of the motor 302 is fixedly connected to a take-up drum 303 via a coupling. A connecting line 304 is fixedly connected to the outer wall of the take-up drum 303. A probe block 305 is fixedly connected to the end of the connecting line 304 away from the take-up drum 303. A locking block 307 is inserted into the inner wall of the probe block 305. An ultrasonic detector 306 is fixedly connected to the bottom of the locking block 307 for detecting the foundation pile. Two bidirectional lead screws 308 are rotatably connected to the inner wall of the probe block 305. Two second limiting blocks 30 are threadedly connected to the outer wall of the bidirectional lead screws 308. 9. The locking block 307 has a limiting hole that matches the second limiting block 309. The outer wall of the probe block 305 is rotatably connected to two first support plates 310. The outer wall of the first support plate 310 is fixedly connected to a second telescopic rod 311. The side of the second telescopic rod 311 away from the first support plate 310 is fixedly connected to a second support plate 312. The outer wall of the second support plate 312 is fixedly connected to a second spring 313. The end of the second spring 313 away from the second support plate 312 is fixedly connected to the outer wall of the first support plate 310. The second telescopic rod 311 is located inside the second spring 313. The outer wall of the probe block 305 is rotatably connected to two third support plates 314. The inner walls of the two third support plates 314 are rotatably connected to rollers 315. The outer walls of the third support plates 314 are rotatably connected to the inner walls of the second support plates 312.

[0023] When testing is required, the motor 302 is started via an external controller, causing the take-up drum 303 to rotate. As the take-up drum 303 rotates, the connecting cable 304 is lowered, causing the detector block 305 to move downwards due to its own weight. When the detector block 305 is fully inside the acoustic tube, the inner wall of the acoustic tube compresses the roller 315, causing the third support plate 314 to move. This movement of the third support plate 314 causes the second support plate 312 to move, changing its angle and compressing the second telescopic rod 311 and the second spring 313. The reaction force of the second spring 313 then compresses the roller 315, ensuring it remains firmly against the inner wall of the acoustic tube. Because the structures on both sides are identical, the second springs 313 on both sides have the same reaction force, thus ensuring that the ultrasonic detector 306 remains in a constant position. At the exact center of the sonic logging tube, the ultrasonic detector 306 continuously detects the foundation pile. When the detection is complete, the ultrasonic detector 306 needs to be removed. First, manually rotate the two bidirectional lead screws 308, thereby moving the two second limit blocks 309 away from each other and away from the locking block 307. Then, the ultrasonic detector 306 can be removed downwards, completing the disassembly of the ultrasonic detector 306. This mechanism uses the inner wall of the sonic logging tube to squeeze the roller 315, which in turn moves the third support plate 314 and the second support plate 312, causing the angle of the second support plate 312 to change and compress the second telescopic rod 311 and the second spring 313, so that the roller 315 can be tightly attached to the inner wall of the sonic logging tube. Because the structures on both sides are symmetrical and the spring reaction force is the same, it can ensure that the ultrasonic detector 306 is always in the exact center of the sonic logging tube, ensuring the accuracy of the detection data. At the same time, the ultrasonic detector 306 can be quickly removed for inspection and maintenance.

[0024] Furthermore, all content not described in detail in this specification is existing technology known to those skilled in the art, and the model parameters of each electrical component are not specifically limited; conventional equipment can be used.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable automatic sensor recovery device for ultrasonic testing of foundation piles, comprising two base plates (1), with fixed frames (101) fixedly connected to the top of each of the two base plates (1), an adjustment mechanism (2) provided on each of the two base plates (1), and a detection mechanism (3) provided on the top of each of the two fixed frames (101), characterized in that, Also includes: The adjustment mechanism (2) includes a fixed column (201) slidably connected to the inner wall of two fixed columns (201), a screw rod (202) threadedly connected to the inner wall of the fixed column (201), the outer wall of the screw rod (202) being rotatably connected to the inner wall of the base plate (1), a connecting block (203) being fixedly connected to the top of the two fixed columns (201) respectively, and a knob (204) being fixedly connected to the bottom of the screw rod (202), and a locking component being provided on the knob (204) for locking the rotation angle of the knob (204).

2. The adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles according to claim 1, characterized in that, The locking assembly includes two T-shaped blocks (205) slidably connected to the inner wall of the base plate (1). The bottom of the two T-shaped blocks (205) is fixedly connected to a first telescopic rod (206). The bottom of the two first telescopic rods (206) is fixedly connected to a fixing plate (207). Two first springs (208) are fixedly connected to the side of the fixing plate (207) near the first telescopic rod (206).

3. The adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles according to claim 2, characterized in that, The ends of the two first springs (208) away from the fixed plate (207) are fixedly connected to the outer walls of the two T-blocks (205). The two first telescopic rods (206) are located inside the two first springs (208). The top of the fixed plate (207) is fixedly connected to the first limiting block (209). The knob (204) has a limiting groove inside that matches the first limiting block (209).

4. The adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles according to claim 1, characterized in that, The detection mechanism (3) includes a connecting plate (301) rotatably connected to the inner wall of two connecting blocks (203). A motor (302) is fixedly connected to the outer wall of the connecting plate (301). The output shaft of the motor (302) is fixedly connected to a take-up drum (303) via a coupling. A connecting line (304) is fixedly connected to the outer wall of the take-up drum (303). A detection block (305) is fixedly connected to one end of the connecting line (304) away from the take-up drum (303). A locking block (307) is inserted into the inner wall of the detection block (305).

5. The adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles according to claim 4, characterized in that, An ultrasonic detector (306) is fixedly connected to the bottom of the card block (307) for detecting the foundation pile. Two bidirectional screw rods (308) are rotatably connected to the inner wall of the detector block (305). Two second limiting blocks (309) are threadedly connected to the outer wall of the bidirectional screw rods (308). The card block (307) is provided with limiting holes that are adapted to the second limiting blocks (309). The outer wall of the probe block (305) is rotatably connected to two first support plates (310). The outer wall of the first support plate (310) is fixedly connected to a second telescopic rod (311). The side of the second telescopic rod (311) away from the first support plate (310) is fixedly connected to a second support plate (312). The outer wall of the second support plate (312) is fixedly connected to a second spring (313). The end of the second spring (313) away from the second support plate (312) is fixedly connected to the outer wall of the first support plate (310). The second telescopic rod (311) is located inside the second spring (313).

6. The adjustable automatic sensor retrieval device for ultrasonic testing of foundation piles according to claim 5, characterized in that, The outer wall of the probe block (305) is rotatably connected to two third support plates (314), and the inner walls of the two third support plates (314) are rotatably connected to rollers (315). The outer wall of the third support plate (314) is rotatably connected to the inner wall of the second support plate (312).

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