Pile foundation settlement condition detection equipment and detection method

Abstract

The invention relates to pile foundation settlement condition detection equipment and a detection method, and relates to the technical field of pile foundation detection equipment, the pile foundation settlement condition detection equipment comprises a base table and a detection assembly, the detection assembly comprises a detector body installed on the upper side face of the base table, a plurality of transducers and a cable connecting the detector body and the transducers, the base station is provided with a winding wheel for pulling a cable and a power piece for driving the winding wheel to rotate; a supporting frame is further arranged on the base table, a tensioning roller for winding a cable is rotationally arranged on the supporting frame, and the installation height of the tensioning roller is higher than that of the winding wheel; a plurality of universal wheels are fixedly arranged on the bottom side of the base table, and a traction handle is fixedly arranged on the edge, close to the detector body, of the upper side face of the base table; according to the method, the corresponding process can be completed by a single person, so that the corresponding efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of pile foundation detection equipment, and in particular to a pile foundation settlement detection equipment and a detection method. Background Art

[0002] As an efficient and accurate means of concrete quality testing, the acoustic wave transmission method plays a pivotal role in the integrity assessment of concrete cast-in-place piles. This method uses the acoustic detection tube pre-buried in the pile to use the propagation characteristics of ultrasonic waves in the concrete medium, such as the relative changes in acoustic parameters such as sound time, frequency and amplitude attenuation, to conduct a detailed inspection of the integrity of the pile body. This technology is not only widely used in infrastructure construction fields such as industrial and civil buildings, water conservancy and electricity, railways, highways and ports, but also shows unparalleled advantages in the inspection of large-diameter cast-in-place piles.

[0003] However, in the implementation of the sonic transmission method, there are certain deficiencies in the operation of ultrasonic pile testing equipment. Traditional equipment usually consists of a sonic detector and several transducers. The transducers are connected to the detector through cables, and the sonic detection tube is used as a channel for transmitting and receiving sonic waves. It is pre-buried after the pile base is bored and before concrete is poured. In actual operation, two staff members are required to work closely together. One is responsible for pulling the cable connected to the transducer upwards, and the other is responsible for observing the changes in the values ​​on the sonic detector to determine whether the wavelength is abnormal, and to guide the cable pulling personnel to adjust the operation accordingly.

[0004] This operation method is not only cumbersome and complicated, but also prone to errors in the test results due to human factors. Especially during the cable pulling process, the traction personnel need to stop or continue lifting in time according to the instructions of the observer, which not only affects the operation speed, but may also delay the entire detection process due to poor communication or misjudgment. There is room for improvement. Summary of the invention

[0005] The purpose of this application is to provide a pile foundation settlement detection device and detection method to solve the problem that the ultrasonic pile detection device used in the above-mentioned related technology is relatively cumbersome and inefficient.

[0006] In the first aspect, the present application provides a pile foundation settlement detection device that adopts the following technical solution: A pile foundation settlement detection device comprises a base and a detection component, wherein the detection component comprises a detector body installed on the side of the base, a plurality of transducers, and cables connecting the detector body and the transducers, wherein the base is provided with a winding wheel for pulling the cable and a power member for driving the winding wheel to rotate; the base is also provided with a support frame, on which a tensioning roller for winding the cable is rotatably provided, and the tensioning roller is higher than the installation height of the winding wheel; a plurality of universal wheels are fixedly provided on the bottom side of the base, and a traction handle is fixedly provided on the edge of the side surface of the base close to the detector body.

[0007] By adopting the above technical solution, when the detection equipment is used, first, the base with the detection component installed is moved to the vicinity of the pile foundation body that needs to be detected, and then the detection instrument body and the transducer are connected by a cable, the cable is wound on the tensioning roller, the transducer at the end of the cable is inserted into the preset acoustic detection tube on the pile foundation, and the height of the transducer is adjusted, and then a part of the cable is fixed on the winding wheel; then the winding wheel is driven to rotate by the power part, and then the transducer is driven to move upward in the acoustic detection tube, and the start and stop of the power part is controlled according to the observation feedback result of the detection instrument body. The corresponding process can be completed by one person, which not only improves the corresponding efficiency but also reduces labor costs.

[0008] Optionally, the support frame is located on the side of the winding wheel away from the detector body, and an accommodating gap is opened on the base, and the upper side and vertical side of the base close to the support frame are connected to the inside of the accommodating gap; the lower end of the support frame is rotatably connected to the inner wall of the accommodating gap, and the base is provided with a limit member for fixing the rotation state of the support frame; the tensioning roller can rotate downward with the support frame and be fixed in the accommodating gap, and rotate upward and be fixed above the base.

[0009] By adopting the above technical solution, when the detection equipment is used, the support frame is rotated upward and fixed to the top of the base; due to the installation setting of the support frame, when the detection equipment is moved and transported, the support frame can be rotated and stored in the accommodating gap, and the cables can also be stored in the accommodating gap, thereby increasing the transportation space occupied by the detection equipment.

[0010] Optionally, a limiting through hole connected to the accommodating notch is provided on the base, and a limiting screw hole that can overlap with the limiting through hole is provided on the support frame; the limiting member is a limiting bolt that penetrates the limiting through hole and is screwed into the limiting screw hole.

[0011] By adopting the above technical solution, when the tensioning roller can rotate downward into the accommodating gap along with the support frame, rotate upward and be fixed to the top of the base, due to the application setting of the limit bolt, the user can use the limit bolt to pass through the limit through hole and then screw it into the corresponding limit screw hole to lock the state of the support frame.

[0012] Optionally, a sealing groove is provided on the opening edge of the vertical side of the accommodating gap, and a sealing frame that can be detachably installed in the sealing groove is provided on the vertical side of the base, and the vertical inner side of the sealing frame is flush with the inner wall of the accommodating gap; a sealing plate for sealing the vertical opening of the accommodating gap is relatively hinged in the vertical direction on the side edge of the sealing frame away from the base, and the sides of the two sealing plates close to each other can be detachably locked.

[0013] By adopting the above technical solution, due to the combined setting of the sealing frame and the sealing plate, the user can seal the vertical opening of the accommodating gap, thereby reducing the possibility of the support frame of the detection equipment escaping from the accommodating gap during transportation, and improving the installation stability of the support frame in this state.

[0014] Optionally, the upper side of the blocking frame is rotatably connected to the inner wall of the accommodating notch, and the blocking frame can be rotated upward to a vertical state and fixed; when the blocking frame and the support frame are both rotated upward to a vertical state, the two blocking plates are rotated to a state parallel to each other. In this state, locking notches are provided on the sides of the two blocking plates that are close to each other for the support frames to be engaged with the sides away from each other.

[0015] By adopting the above technical solution, due to the rotation setting of the blocking frame and the locking notch on the blocking plate, when the blocking frame and the support frame are both rotated upward to a vertical state, the two blocking plates can be rotated to a state parallel to each other, so that the outer side surface of the support frame is inserted into the locking notch on the blocking plate, thereby enhancing the assembly stability of the support frame and the blocking frame.

[0016] Optionally, a protective curtain is provided above the base, one side of the protective curtain is detachably connected to the upper portion of the traction handle, and the other side of the protective curtain is detachably connected to the upper portion of the blocking frame when the protective curtain is rotated upward to a vertical state.

[0017] By adopting the above technical solution, when the weather outdoors is hot, due to the application of the protective curtain, the two sides of the protective curtain are detachably connected to the traction handle and the upper part of the blocking frame respectively, so as to protect the cables and the detector body on the upper part of the base and reduce the possibility of damage to the detection equipment due to exposure to the sun.

[0018] Optionally, a plurality of hooks are fixedly provided on the opposite side edges of the protective curtain, a plurality of first hanging rings are fixedly provided on the upper part of the traction handle for the hooks to be hooked into, and a plurality of second hanging rings are fixedly provided on the upper part of the blocking frame when it is rotated upward to a vertical state.

[0019] By adopting the above technical solution, due to the combined arrangement of the hook, the first hanging ring and the second hanging ring, when fixing the protective curtain, the hook on the protective curtain is hooked and fixed in the corresponding first hanging ring and the second hanging ring, thereby realizing the rapid installation of the protective curtain.

[0020] Optionally, when the blocking frame is rotated upward to a vertical state, a receiving groove for placing a protective curtain is provided on the vertical side surface of the upper part of the blocking frame close to the traction handle; a receiving groove is provided on the opening edge of the receiving groove, and a cover plate is hinged on the inner wall of the receiving groove close to the base in this state, and the other side of the cover plate can be rotated and inserted into the other side of the receiving groove.

[0021] By adopting the above technical solution, when the protective curtain is not needed for protection, due to the combined arrangement of the cover plate and the receiving groove, the protective curtain can be folded and stored inside the receiving groove, and the opening of the receiving groove can be sealed with the cover plate, thereby facilitating the storage of the protective curtain.

[0022] Optionally, two opposite positioning notches are provided on the side of the cover plate away from the sealing frame; when the sealing frame and the support frame are both rotated upward to a vertical state, and the two sealing plates are rotated to a state parallel to each other, the upper edge of the support frame can be inserted into the positioning notch when the cover plate is rotated downward to a horizontal state.

[0023] By adopting the above technical solution, when the sealing frame and the support frame are both rotated upward to a vertical state, and the two sealing plates are rotated to a state parallel to each other, due to the setting of the positioning notch on the cover plate, the cover plate is rotated downward to a horizontal state. At this time, the upper edge of the support frame can be inserted into the positioning notch, thereby improving the assembly stability of the sealing plate and the support frame in this state.

[0024] In the second aspect, a pile foundation settlement detection method provided in the present application adopts the following technical solution: A method for detecting pile foundation settlement, using the pile foundation settlement detection device, comprises the following steps: Step 1: Move the detection device to the vicinity of the pile basic body, rotate the support frame and the blocking frame upward to a vertical state and fix them, and rotate the blocking plate so that the outer side of the support frame is stuck in the locking notch; Step 2: Use the cable to connect the detector body and the transducer, wind the cable around the tensioning roller, insert the transducer at the end of the cable into the preset acoustic detection tube on the pile foundation, adjust the height of the transducer, and then fix a part of the cable on the reel; Step 3: The power component drives the reel to rotate, thereby driving the transducer to move upward in the acoustic detection tube, and the start and stop of the power component are controlled according to the observation feedback result of the detector body; Step 4: After the inspection is completed, first reel the entire cable onto the reel, then rotate the support frame downward into the accommodating gap, then rotate the sealing frame downward and fix it into the sealing trough, and finally use the sealing plate to seal the vertical opening of the accommodating gap.

[0025] By adopting the above technical solution and the above detection method, the user drives the winding wheel to rotate through the power part, thereby driving the transducer to move upward in the acoustic detection tube, and controls the start and stop of the power part according to the observation feedback results of the detector body. A single person can complete the corresponding process, which not only improves the corresponding efficiency but also reduces labor costs.

[0026] In summary, this application includes the following beneficial technical effects: When the detection equipment is used, first, the base with the detection component installed is moved to the vicinity of the pile foundation body that needs to be detected, then the detection instrument body and the transducer are connected by a cable, the cable is wound on the tensioning roller, the transducer at the end of the cable is inserted into the preset acoustic detection tube on the pile foundation, and the height of the transducer is adjusted, and then a part of the cable is fixed on the winding wheel; the winding wheel is then driven to rotate by the power part, thereby driving the transducer to move upward in the acoustic detection tube, and the start and stop of the power part is controlled according to the observation feedback result of the detection instrument body. The corresponding process can be completed by one person, which not only improves the corresponding efficiency but also reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 This is a schematic diagram of the structure of the installation and coordination of the winding assembly in Example 1 of the present application; Figure 3 It is a partial cross-sectional structural schematic diagram of the installation and cooperation of the limiter in Example 1 of the present application; Figure 4 It is a partial structural schematic diagram of the installation and coordination of the plugging assembly in Example 1 of the present application; Figure 5 is a partial cross-sectional structural schematic diagram of the support frame in the storage state embodied in Embodiment 1 of the present application; Figure 6 It is a partial cross-sectional structural schematic diagram of the embodiment 1 of the present application showing the clamping cooperation between the blocking plate and the support frame; Figure 7 yes Figure 6 A magnified schematic diagram of part A; Figure 8 This is a schematic diagram of the structure of the protective curtain installation coordination embodiment 1 of the present application; Fig. 9 yes Figure 8A magnified schematic diagram of part B; Fig.10 yes Figure 8 A magnified schematic diagram of part C; Fig.11 It is a partial cross-sectional structural schematic diagram of the installation cooperation between the sealing frame and the cover plate according to Example 1 of the present application.

[0029] In the figure, 1, base; 11, universal wheel; 12, traction handle; 121, first hanging ring; 13, accommodation gap; 131, limit through hole; 132, blocking sink; 14, limit member; 141, limit bolt; 2, detection assembly; 21, detector body; 22, transducer; 23, cable; 3, winding assembly; 31, winding wheel; 311, winding ring groove; 32, power member; 321, winding motor; 4, support Frame; 41, tensioning roller; 42, limiting screw hole; 43, placement groove; 5, blocking assembly; 51, blocking frame; 511, accommodating groove; 512, accommodating sink groove; 513, second hanging ring; 52, blocking plate; 521, flange; 522, locking notch; 5221, positioning groove; 53, cover plate; 531, positioning notch; 6, elastic clip; 61, compression spring; 62, arc-shaped protrusion; 7, protective curtain; 71, hook. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0031] Embodiment 1: Reference Figure 1 , a pile foundation settlement detection device, comprising a base 1 and a detection assembly 2, wherein the detection assembly 2 comprises a detector body 21 installed on the upper side of the base 1, three transducers 22, and three cables 23 connecting the detector body 21 and the transducers 22; The base 1 is provided with a winding assembly 3, wherein the winding assembly 3 includes a winding wheel 31 located above the base 1 and a power member 32 driving the winding wheel 31 to rotate; three winding ring grooves 311 for winding the cable 23 are arranged side by side on the outer circumference of the winding wheel 31, and the power member 32 is a winding motor 321 fixed on the base 1, which is a conventional driving structure and will not be described in detail here; A support frame 4 is also provided on the base 1, on which a tensioning roller 41 for winding the cable 23 is rotatably provided, and the tensioning roller 41 is higher than the installation height of the winding wheel 31; four universal wheels 11 with braking function are fixed on the bottom side of the base 1, and a traction handle 12 is fixed on the edge of the upper side of the base 1 close to the detector body 21.

[0032] Reference Figure 1 , Figure 2 and Figure 3The support frame 4 is located on the side of the winding wheel 31 away from the detector body 21, wherein the base 1 is provided with an accommodating notch 13, and the upper side surface and the vertical side surface of the base 1 close to the support frame 4 are both connected to the inside of the accommodating notch 13; the lower end of the support frame 4 is rotatably connected to the inner wall of the accommodating notch 13, and the base 1 is provided with a limiting member 14 for fixing the rotation state of the support frame 4, and the limiting member 14 is a limiting bolt 141; A limiting through hole 131 connected to the accommodating notch 13 is provided on the base 1, and a limiting screw hole 42 that can overlap with the limiting through hole 131 is provided on the support frame 4; when the tensioning roller 41 can be rotated downward into the accommodating notch 13 along with the support frame 4, rotated upward and fixed to the top of the base 1, the user can use the limiting bolt 141 to pass through the limiting through hole 131 and then screw it into the corresponding limiting screw hole 42, so as to lock the state of the support frame 4.

[0033] Reference Figure 4 and Figure 5 A plugging assembly 5 for plugging the vertical opening of the receiving notch 13 is provided on the side of the base 1. The plugging assembly 5 includes a plugging frame 51 located on the vertical side of the base 1, wherein a plugging groove 132 for detachably installing the plugging frame 51 is provided on the opening edge of the vertical side of the receiving notch 13, and the vertical inner side surface of the plugging frame 51 is flush with the inner wall of the receiving notch 13; A sealing plate 52 for sealing the vertical opening of the accommodating gap 13 is hingedly connected in the vertical direction on the side edge of the sealing frame 51 away from the base 1. The two sealing plates 52 are integrally formed with outward flanges 521 on the sides close to each other, and the two flanges 521 can be detachably locked using bolts.

[0034] Reference Figure 6 The upper side of the blocking frame 51 is rotatably connected to the inner wall of the receiving notch 13, and the lower side of the blocking frame 51 is detachably connected to the inner wall of the receiving notch 13 using a butterfly screw; and the blocking frame 51 can be rotated upward to a vertical state and fixed using another butterfly bolt; When the blocking frame 51 and the support frame 4 are both rotated upward to a vertical state, the two blocking plates 52 can be rotated to a state parallel to each other. In this state, locking notches 522 for the support frames 4 to be inserted into the sides away from each other are provided on the sides of the two blocking plates 52 that are close to each other; the outer side surface of the support frame 4 is interference fit into the locking notch 522 on the blocking plate 52, thereby enhancing the assembly stability of the support frame 4 and the blocking frame 51.

[0035] Reference Figure 6 and Figure 7An elastic clip 6 is provided on the side of the support frame 4, wherein the elastic clip 6 includes a compression spring 61 and an arc-shaped protrusion 62, wherein a placement groove 43 for the compression spring 61 and the arc-shaped protrusion 62 is opened on the support frame 4, and the compression spring 61 squeezes one side of the arc-shaped protrusion 62 so that a part of the arc-shaped protrusion 62 protrudes out of the opening of the placement groove 43, and the outer side surface of the protruding part is an arc surface, and the arc length corresponding to the arc surface is a minor arc; and a positioning groove 5221 for the elastic clip 6 to be inserted is opened on the inner wall of the locking notch 522.

[0036] Reference Figure 8 , Fig. 9 and Fig.10 A protective curtain 7 is provided above the base 1, wherein two hooks 71 are fixedly provided on the opposite side edges of the protective curtain 7, and two first hanging rings 121 for the hooks 71 to be clamped into are fixedly provided on the upper part of the traction handle 12, and two second hanging rings 513 are fixedly provided on the upper part of the blocking frame 51 when it is rotated upward to a vertical state; thereby, a detachable connection is achieved between the two sides of the protective curtain 7 and the traction handle 12 and the upper part of the blocking frame 51.

[0037] Reference Fig.11 When the blocking frame 51 is in an upwardly rotated vertical state, a receiving groove 511 for placing the protective curtain 7 is provided on the vertical side surface of the upper portion of the blocking frame 51 close to the traction handle 12; a receiving groove 512 is provided on the opening edge of the receiving groove 511, and a cover plate 53 is hingedly connected to the inner wall of the receiving groove 512 close to the base 1 in this state, and the other side of the cover plate 53 can be rotated and inserted into the other side of the receiving groove 512, and further fixed with a butterfly bolt; When the protective curtain 7 is not needed for protection, the protective curtain 7 can be folded and stored in the receiving groove 511, and the opening of the receiving groove 511 can be blocked with the cover plate 53, so as to facilitate the storage of the protective curtain 7.

[0038] Reference Fig.11 , two opposite positioning notches 531 are provided on the side of the cover plate 53 away from the blocking frame 51; when the blocking frame 51 and the support frame 4 are both rotated upward to a vertical state, and the two blocking plates 52 are rotated to a state parallel to each other, the cover plate 53 is rotated downward to a horizontal state, and at this time, the upper edge of the support frame 4 can be inserted into the positioning notch 531.

[0039] The implementation principle of the embodiment of the present application is: When the detection equipment is used, the detector body 21 is moved to the vicinity of the pile foundation in advance, and then the detector body 21 and the transducer 22 are connected by the cable 23, the cable 23 is wound on the tensioning roller 41, and the transducer 22 at the end of the cable 23 is inserted into the preset acoustic detection tube on the pile foundation, and the height of the transducer is adjusted, and then a part of the cable 23 is fixed on the winding wheel 31; finally, the winding wheel 31 is driven to rotate by the power part 32, and then the transducer 22 is driven to move upward in the acoustic detection tube, and the start and stop of the power part 32 is controlled according to the observation feedback result of the detector body 21.

[0040] Embodiment 2: A method for detecting the settlement of a pile foundation, wherein the detection device is moved to the vicinity of the pile base body by means of a combination of a universal wheel 11 and a traction handle 12, and then the support frame 4 and the blocking frame 51 are both rotated upward to a vertical state and fixed, and the blocking plate 52 is rotated so that the outer side of the support frame 4 is inserted into the locking notch 522; when the weather is hot, the protective curtain 7 can also be installed above the base 1, and at this time, the cover plate 53 can be used to strengthen the assembly stability of the blocking plate 52 and the support frame 4; Use a cable 23 to connect the detector body 21 and the transducer 22, wind the cable 23 around the tensioning roller 41, insert the transducer 22 at the end of the cable 23 into the preset acoustic detection tube on the pile foundation, adjust the height of the transducer, and then fix a part of the cable 23 on the winding wheel 31; drive the winding wheel 31 to rotate through the power piece 32, and then drive the transducer 22 to move upward in the acoustic detection tube, and control the start and stop of the power piece 32 according to the observation feedback result of the detector body 21; After the inspection is completed, the cable 23 is first rolled up as a whole onto the winding wheel 31, then the protective curtain 7 is stored, and the support frame 4 is rotated downward into the accommodating gap 13, and then the sealing frame 51 is rotated downward and fixed into the sealing groove 132, and finally the sealing plate 52 is used to seal the vertical opening of the accommodating gap 13.

[0041] Unless otherwise defined, the terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The "first", "second", "third" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and other similar words do not indicate a quantitative limit, but indicate that there is at least one. "Including" or "comprising" and other similar words mean that the elements or objects appearing in front of "including" or "comprising" cover the elements or objects listed after "including" or "comprising" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0042] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pile foundation settlement detection device, characterized in that: The invention comprises a base (1) and a detection assembly (2), wherein the detection assembly (2) comprises a detection instrument body (21) mounted on the upper side of the base (1), a plurality of transducers (22), and cables (23) connecting the detection instrument body (21) and the transducers (22); and the base (1) is provided with a reel (31) for pulling the cable (23) and a power member (32) for driving the reel (31) to rotate. The base (1) is also provided with a support frame (4), on which a tensioning roller (41) for winding the cable (23) is rotatably provided, and the tensioning roller (41) is higher than the installation height of the winding wheel (31); a plurality of universal wheels (11) are fixedly provided on the bottom side of the base (1), and a traction handle (12) is fixedly provided on the edge of the upper side of the base (1) close to the detector body (21).

2. A pile foundation settlement detection device according to claim 1, characterized in that: The support frame (4) is located on the side of the winding wheel (31) away from the detector body (21), and a receiving notch (13) is provided on the base (1), and the upper side surface and the vertical side surface of the base (1) close to the support frame (4) are both connected to the inside of the receiving notch (13); The lower end of the support frame (4) is rotatably connected to the inner wall of the receiving notch (13), and a limiter (14) for fixing the rotation state of the support frame (4) is provided on the base (1); the tensioning roller (41) can rotate downward with the support frame (4) and be fixed in the receiving notch (13), and rotate upward and be fixed above the base (1).

3. A pile foundation settlement detection device according to claim 2, characterized in that: The base (1) is provided with a limiting through hole (131) which is in communication with the accommodating notch (13); the support frame (4) is provided with a limiting screw hole (42) which can overlap with the limiting through hole (131); the limiting member (14) is a limiting bolt (141) which penetrates the limiting through hole (131) and is screwed into the limiting screw hole (42).

4. A pile foundation settlement detection device according to claim 2, characterized in that: A blocking groove (132) is provided on the opening edge of the vertical side surface of the accommodating notch (13); a blocking frame (51) is provided on the vertical side surface of the base (1) and is detachably mounted in the blocking groove (132); the vertical inner side surface of the blocking frame (51) is flush with the inner wall of the accommodating notch (13); A blocking plate (52) for blocking the vertical opening of the accommodating notch (13) is hingedly connected in the vertical direction to the side edge of the blocking frame (51) away from the base (1), and the sides of the two blocking plates (52) close to each other can be detachably locked.

5. A pile foundation settlement detection device according to claim 4, characterized in that: The upper side of the blocking frame (51) is rotatably connected to the inner wall of the accommodating notch (13), and the blocking frame (51) can be rotated upward to a vertical state and fixed; When the blocking frame (51) and the support frame (4) are both rotated upward to a vertical state, the two blocking plates (52) are rotated to a state parallel to each other. In this state, the sides of the two blocking plates (52) close to each other are provided with locking notches (522) for the sides of the support frame (4) far away from each other to be inserted into.

6. A pile foundation settlement detection device according to claim 5, characterized in that: A protective curtain (7) is provided above the base (1), one side of the protective curtain (7) being detachably connected to the upper portion of the traction handle (12), and the other side of the protective curtain (7) being detachably connected to the upper portion of the blocking frame (51) when the blocking frame (51) is rotated upward to a vertical state.

7. A pile foundation settlement detection device according to claim 6, characterized in that: A plurality of hooks (71) are fixedly arranged on opposite side edges of the protective curtain (7), a plurality of first hanging rings (121) for the hooks (71) to be inserted into are fixedly arranged on the upper part of the traction handle (12), and a plurality of second hanging rings (513) are fixedly arranged on the upper part of the blocking frame (51) when the blocking frame (51) is rotated upward to a vertical state.

8. A pile foundation settlement detection device according to claim 6, characterized in that: When the blocking frame (51) is rotated upward to a vertical state, a receiving groove (511) for placing the protective curtain (7) is provided on the vertical side surface of the upper part of the blocking frame (51) close to the traction handle (12); An accommodating groove (512) is provided on the opening edge of the accommodating groove (511), and a cover plate (53) is hingedly connected to the inner wall of the accommodating groove (512) close to the base (1) in this state, and the other side of the cover plate (53) can be rotated and inserted into the other side of the accommodating groove (512).

9. A pile foundation settlement detection device according to claim 8, characterized in that: Two opposing positioning notches (531) are provided on the side of the cover plate (53) away from the blocking frame (51); when the blocking frame (51) and the support frame (4) are both rotated upward to a vertical state, and the two blocking plates (52) are rotated to a state parallel to each other, the upper edge of the support frame (4) can be inserted into the positioning notch (531) when the cover plate (53) is rotated downward to a horizontal state.

10. A method for detecting pile foundation settlement, characterized in that: The pile foundation settlement detection device according to any one of claims 1 to 9 comprises the following steps: Step 1: Move the detection device to the vicinity of the pile base body, rotate the support frame (4) and the blocking frame (51) upward to a vertical state and fix them, and rotate the blocking plate (52) so that the outer side surface of the support frame (4) is inserted into the locking notch (522); Step 2: Use the cable (23) to connect the detector body (21) and the transducer (22), wind the cable (23) around the tensioning roller (41), insert the transducer (22) at the end of the cable (23) into a preset acoustic detection tube on the pile foundation, adjust the height of the transducer, and then fix a part of the cable (23) on the winding wheel (31); Step 3: The power member (32) drives the reel (31) to rotate, thereby driving the transducer (22) to move upward in the acoustic detection tube, and the start and stop of the power member (32) are controlled according to the observation feedback result of the detector body (21); Step 4: After the inspection is completed, first reel the cable (23) as a whole onto the reel (31), then rotate the support frame (4) downward into the receiving gap (13), then rotate the sealing frame (51) downward and fix it into the sealing trough (132), and finally use the sealing plate (52) to seal the vertical opening of the receiving gap (13).

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