Building construction foundation detection device and method based on load measurement

Abstract

The invention relates to the technical field of pile foundation detection, in particular to a building construction foundation detection device and method based on load measurement. Comprising a driving assembly, two support assemblies connected to the driving assembly, a connecting assembly movably connected to the support assemblies, and a moving assembly connected to the connecting assembly. According to the device, the ash removal assembly is driven to move through the adjusting assembly, an accelerometer on the ash removal assembly can be pressed on the pile top of a pile foundation, meanwhile, a hydraulic push rod connected to the ash removal assembly is driven to move a knocking block, and therefore the knocking block can exert instantaneous impact on the pile top to complete vibration of the pile top; mechanical signals generated by vibration of the pile body are obtained through the accelerometer and converted into electric signals, and meanwhile the electric signals are transmitted to the data acquisition instrument through the connecting line, so that single-person detection of the pile foundation is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of pile foundation detection, and particularly to a building construction foundation detection device and method based on load measurement. Background Art

[0002] Pile dynamic testing is a test and analysis instrument that uses the impact or vibration load to detect the integrity of the pile body structure and the vertical bearing capacity of a single pile of an engineering pile foundation. Usually, the integrity detection of the pile body quality adopts the low-strain detection method, using one channel, a single probe, and collecting a signal curve with one hammer strike. Among them, the foundation detection device can be said to be an important detection device using this detection method.

[0003] However, most of the existing pile foundation detection devices detect the pile foundation through a two-person operation method. One person presses the probe on the pile head and holds a force hammer to strike the pile top to generate stress waves, and the other person preliminarily judges whether the curve is qualified through the display of the pile tester connected to the probe and records it. The two-person operation method not only requires the tacit cooperation between the two people, but also relies more on the operator's own work experience to work, which will affect the use convenience of the entire building construction foundation detection device to a certain extent. Summary of the Invention

[0004] In order to overcome the situation that when the existing building construction foundation detection device is used, it often requires two people to operate, and certain tacit understanding and operation experience are needed between the two people during the operation process, which will affect the use of the detection device to a certain extent.

[0005] The technical solution of the present invention is: a building construction foundation detection device based on load measurement, including a driving component, two bracket components connected to the driving component, a connecting component movably connected to the bracket components, a moving component connected to the connecting component, a detection component connected to the driving component, a dust cleaning component connected to the detection component, and an adjusting component connected to the dust cleaning component. The driving component is used to drive the two connecting components to move towards each other in the horizontal direction. The moving component is used to drive the connecting component to move along the bracket component. The adjusting component is used to drive the dust cleaning component to move in the vertical direction. The detection component includes a data collector connected to the driving component, a connecting wire connected to the data collector, an accelerometer connected to the connecting wire, and a wire fixing clip movably connected to the connecting wire. The data collector is used to obtain the mechanical signal generated by the vibration or impact of the pile body and convert it into an electrical signal. The dust cleaning component includes a flange cover connected to the accelerometer, a combined plate connected to the flange cover, a hydraulic push rod connected to the combined plate, and a knocking block connected to the hydraulic push rod. The hydraulic push rod is used to drive the knocking block to generate an instantaneous impact in the vertical direction to excite the vibration of the pile top.

[0006] Preferably, the driving component includes a fixed sleeve connected to the detection component, a connecting column connected to the fixed sleeve, a baffle connected to the connecting column, a camera connected to the baffle, and a rotating component connected to the fixed sleeve. The camera is used to obtain the video data of the data collector.

[0007] Preferably, the rotating component includes a first motor connected to the fixed sleeve, a meshing runner connected to the output shaft of the first motor, and soft cushion strips connected to both side surfaces of the fixed sleeve. The first motor is used to drive the two connecting components to move towards each other in the horizontal direction.

[0008] Preferably, the connecting component includes meshing racks respectively arranged at the front and rear ends of the meshing runner, a connecting sleeve connected to the meshing rack, a fixing rod connected to the connecting sleeve, a connecting plate connected to the fixing rod, a fixed grip connected to the connecting plate, a pulley sleeve connected to the fixing rod, and an auxiliary pulley movably connected to the pulley sleeve. The meshing rack meshes with the meshing runner.

[0009] Preferably, the bracket component includes a slide rail frame movably connected to the auxiliary pulley, a connecting head connected to the slide rail frame, a semi-empty column connected to the connecting head, an air collecting cavity opened inside the semi-empty column, a connecting piece connected to the semi-empty column, a vacuum suction cup connected to the connecting piece, a filter plate connected to the inner wall of the semi-empty column, and a suction component connected to the semi-empty column. The vacuum suction cup is used to adsorb the semi-empty column to the ground surface. The filter plate is used to prevent the stone particles entering from the connecting piece from being introduced into the suction component under negative pressure.

[0010] Preferably, the suction component includes a fixed air pipe connected to the semi-empty column, a multi-way joint connected to the fixed air pipe, an air inlet pipe connected to the multi-way joint, a vacuum generator connected to the air inlet pipe, and an air outlet pipe connected to the vacuum generator. The fixed air pipe and the vacuum suction cup are communicated through the air collecting cavity.

[0011] Preferably, the moving component includes a fixed strip connected to the connecting plate, a limiting rod connected to the fixed strip, and a moving seat component movably connected to the fixed strip.

[0012] Preferably, the moving seat assembly includes a leaning frame movably connected to the fixed bar, a fixed stop piece connected to the leaning frame, a limiting hole formed in the leaning frame, a reset spring connected to the leaning frame, a fixed pressing piece connected to the reset spring, a connecting wheel piece connected to the leaning frame, a rotating wheel movably connected to the connecting wheel piece, and a plurality of spacer bars connected to the rotating wheel. The limiting holes and the limiting rods are arranged in one-to-one correspondence.

[0013] Preferably, the adjusting assembly includes a fixed piece connected to the flange cover, a connecting block frame connected to the fixed piece, screw rod sliders respectively connected to both sides of the connecting block frame, a screw rod slide rail movably connected to the screw rod sliders, and a mounting piece connected to the screw rod slide rail. The mounting piece is connected to the fixed sleeve. The screw rod sliders and the screw rod slide rail are used to drive the flange cover to move along the air outlet pipe.

[0014] A detection method of a building construction foundation detection device based on load measurement, using a building construction foundation detection device based on load measurement as described above, includes the following steps: S1: Move the device to the top of the foundation pile, and act on two fixed air pipes through a vacuum generator to suck the air inside the gas collection cavity through the fixed air pipes, so as to adsorb the semi-empty column on both sides of the top of the foundation pile through the vacuum suction cups. Drive the meshing wheel to rotate through the first motor, so as to drive the two meshing racks to move in opposite directions horizontally through the rotating meshing wheel, so that the connecting sleeve connected to the meshing rack can drive the connecting plate to move; S2: Under the action of the moving connecting plate, the rotating wheel will be driven to rotate. During the moving process, the uneven ground will force the leaning frame to move in the vertical direction, so that the limiting rod moves towards or away from the limiting hole, and drive a plurality of spacer bars to make a circular motion around the central axis of the rotating wheel through the rotating rotating wheel, so that the two leaning frames can clamp on both sides of the top of the foundation pile. Then drive the flange cover to move through the screw rod slide rail and the screw rod slider, so that the accelerometer on the flange cover can press on the top of the foundation pile. At the same time, during the movement of the flange cover, the air inside the gas collection cavity sucked by the vacuum generator can be ejected through the air outlet pipe to realize dust cleaning at the accelerometer; S3: When the accelerometer presses on the top of the foundation pile, drive the knocking block to move through the hydraulic push rod, so as to apply an instantaneous impact on the top of the foundation pile through the knocking block to stimulate the vibration of the pile top, and collect the vibration generated by the pile body through the accelerometer, and convert it into an electrical signal. Transmit the electrical signal to the data acquisition instrument through the connecting wire, so as to amplify, filter and perform analog-to-digital conversion on the electrical signal by the data acquisition instrument, and display the waveform in real time, adjust the sampling rate and gain. At the same time, use the camera located at the top of the data acquisition instrument to take pictures and record the display data of the data acquisition instrument to realize the dynamic measurement and inspection of the foundation pile.

[0015] Advantages of the present invention: 1. Based on the conventional foundation detection device, the detection device is improved. The dust cleaning component is driven to move through the adjustment component, so that the accelerometer on the dust cleaning component can be pressed against the top of the pile foundation. At the same time, the hydraulic push rod connected to the dust cleaning component is driven to move the knocking block, so that the knocking block can apply an instantaneous impact to the top of the pile to complete the vibration of the top of the pile. Then, the mechanical signal generated by the vibration of the pile body is obtained through the accelerometer and converted into an electrical signal. At the same time, the electrical signal is transmitted to the data acquisition instrument through the connecting wire to realize the single-person detection of the pile foundation; 2. The two fixed air pipes are acted on by the vacuum generator, so that when the device is fixed, the air inside the air collection cavity can be pumped out, thereby acting on the vacuum suction cup, so that the vacuum suction cup can enhance the connection stability of the connecting piece to the ground. At the same time, the pumped air will be output through the air outlet pipe, so that the air discharged from the air outlet pipe can clean the surface of the pile foundation, and the phenomenon that the accelerometer is blocked by dust when it is driven to move by the lead screw slide rail and the lead screw slider can be avoided. Furthermore, the working efficiency of the entire building construction foundation detection device can be greatly improved. Description of the drawings

[0016] Figure 1 Shown is the first three-dimensional structural schematic diagram of the building construction foundation detection device of the present invention; Figure 2 Shown is the second three-dimensional structural schematic diagram of the building construction foundation detection device of the present invention; Figure 3 Shown is the three-dimensional structural schematic diagram of the connection component of the building construction foundation detection device of the present invention; Figure 4 Shown is the three-dimensional structural schematic diagram of the moving component of the building construction foundation detection device of the present invention; Figure 5 Shown is the three-dimensional structural schematic diagram of the detection component of the building construction foundation detection device of the present invention; Figure 6 Shown is the first three-dimensional structural schematic diagram of the support component of the building construction foundation detection device of the present invention; Figure 7 Shown is the second three-dimensional structural schematic diagram of the support component of the building construction foundation detection device of the present invention; Figure 8 Shown is the third three-dimensional structural schematic diagram of the support component of the building construction foundation detection device of the present invention; Figure 9 Shown is the three-dimensional structural schematic diagram of the adjustment component of the building construction foundation detection device of the present invention; Figure 10 The figure shows a three-dimensional structural schematic diagram of the dust cleaning component of the building construction foundation detection device of the present invention; Figure 11 The figure shows a fourth three-dimensional structural schematic diagram of the support component of the building construction foundation detection device of the present invention.

[0017] Explanation of reference numerals: 1, driving component; 2, support component; 3, connecting component; 4, moving component; 5, detection component; 6, adjusting component; 7, dust cleaning component; 101, fixing sleeve; 102, connecting column; 103, baffle; 104, camera; 105, first motor; 106, meshing runner; 107, soft cushion strip; 201, slide rail frame; 202, connecting head; 203, semi-empty column; 204, air collecting chamber; 205, connecting piece; 206, vacuum suction cup; 207, fixed air pipe; 208, multi-way head; 209, air inlet pipe; 210, vacuum generator; 211, separation filter plate; 212, air outlet pipe; 301, connecting sleeve; 302, meshing rack; 303, fixing rod; 304, connecting plate; 305, fixed grip; 306, pulley sleeve; 307, auxiliary pulley; 401, fixing strip; 402, abutting frame; 403, fixed stop piece; 404, limiting rod; 405, limiting hole; 406, reset spring; 407, fixed pressing piece; 408, connecting wheel piece; 409, rotating wheel; 410, spacer; 501, data acquisition instrument; 502, connecting wire; 503, wire fixing clip; 504, accelerometer; 601, mounting piece; 602, lead screw slide rail; 603, lead screw slider; 604, connecting block frame; 605, fixing piece; 701, flange cover; 702, combined plate; 703, hydraulic push rod; 704, knocking block. Detailed implementation manners

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] A building construction foundation detection device based on load measurement, according to Figures 1-11 as shown, includes a driving component 1, two support components 2 connected to the driving component 1, a connecting component 3 movably connected to the support components 2, a moving component 4 connected to the connecting component 3, a detection component 5 connected to the driving component 1, a dust cleaning component 7 connected to the detection component 5, and an adjusting component 6 connected to the dust cleaning component 7. The driving component 1 is used to drive the two connecting components 3 to move horizontally towards each other. The moving component 4 is used to drive the connecting component 3 to move along the support component 2. The adjusting component 6 is used to drive the dust cleaning component 7 to move vertically; The detection component 5 includes a data collector 501 connected to the driving component 1, a connecting wire 502 connected to the data collector 501, an accelerometer 504 connected to the connecting wire 502, and a wire clamp 503 movably connected to the connecting wire 502. The data collector 501 is used to acquire mechanical signals generated by the vibration or impact of the pile body and convert them into electrical signals. The accelerometer 504 is used to acquire the electrical signals transmitted by the data collector 501, amplify, filter, and perform analog-to-digital conversion, and simultaneously display the waveform in real time, adjust the sampling rate and gain; The dust cleaning component 7 includes a flange cover 701 connected to the accelerometer 504, a combined plate 702 connected to the flange cover 701, a hydraulic push rod 703 connected to the combined plate 702, and a knocking block 704 connected to the hydraulic push rod 703. The hydraulic push rod 703 is used to drive the knocking block 704 to generate an instantaneous impact in the vertical direction to excite the vibration of the pile top.

[0020] According to Figure 1 As shown in the figure, the driving component 1 includes a fixed sleeve 101 connected to the detection component 5, a connecting column 102 connected to the fixed sleeve 101, a baffle 103 connected to the connecting column 102, a camera 104 connected to the baffle 103, and a rotating component connected to the fixed sleeve 101. The camera 104 is used to acquire the video data of the data collector 501.

[0021] It should be noted that through the setting of the baffle 103, the top of the data collector 501 is blocked, thereby improving the viewing experience of the data collector 501. At the same time, through the setting of the camera 104, the data collector 501 can be recorded, so that the detection device can also leave a record of the work process when working alone, in order to reduce the misleading phenomenon in subsequent work.

[0022] According to Figures 5-6 As shown in the figure, the rotating component includes a first motor 105 connected to the fixed sleeve 101, a meshing runner 106 connected to the output shaft of the first motor 105, and soft cushion strips 107 connected to both side surfaces of the fixed sleeve 101. The first motor 105 is used to drive the two connecting components 3 to move towards each other in the horizontal direction.

[0023] It should be noted that the first motor 105 is used to drive the meshing runner 106 to rotate, so as to synchronously drive the two meshing racks 302 to move towards each other through the rotating meshing runner 106, and enable the moving components 4 connected to the connecting components 3 to also move synchronously, thereby realizing the clamping of both ends of the pile top of the foundation pile. At the same time, through the setting of the soft cushion strips 107, it can be prevented that the moving components 4 collide with the fixed sleeve 101 when moving and contracting.

[0024] According to Figure 3As shown, the connecting component 3 includes engaging racks 302 respectively arranged at the front and rear ends of the engaging runner 106, a connecting sleeve 301 connected to the engaging rack 302, a fixing rod 303 connected to the connecting sleeve 301, a connecting plate 304 connected to the fixing rod 303, a fixed grip 305 connected to the connecting plate 304, a pulley sleeve 306 connected to the fixing rod 303, and an auxiliary pulley 307 movably connected to the pulley sleeve 306. The engaging rack 302 meshes with the engaging runner 106.

[0025] It should be noted that through the setting of the auxiliary pulley 307, when the engaging rack 302 moves, it can ensure the stability of the moving component 4 during the moving process by driving the auxiliary pulley 307 to move within the slide rail frame 201. At the same time, through the setting of the fixed grip 305, it can improve the convenience for the user to move the connecting plate 304 by themselves.

[0026] According to Figure 2 , Figure 6 and Figure 8 As shown, the bracket component 2 includes a slide rail frame 201 movably connected to the auxiliary pulley 307, a connecting head 202 connected to the slide rail frame 201, a semi-empty column 203 connected to the connecting head 202, an air collection chamber 204 opened inside the semi-empty column 203, a connecting piece 205 connected to the semi-empty column 203, a vacuum suction cup 206 connected to the connecting piece 205, a filter plate 211 connected to the inner wall of the semi-empty column 203, and a suction component connected to the semi-empty column 203. The vacuum suction cup 206 is used to adsorb the semi-empty column 203 to the ground surface, and the filter plate 211 is used to prevent the stone particles entering through the connecting piece 205 from being introduced into the suction component under negative pressure.

[0027] It should be noted that through the setting of the semi-empty column 203, the two ends of the detection device are positioned and fixed, and through the setting of the vacuum suction cup 206, the stability of the connection between the semi-empty column 203 and the ground is improved. At the same time, the filter plate 211 can also block the stone particles entering the air collection chamber 204, thereby further improving the connection stability of the vacuum suction cup 206.

[0028] According to Figures 7-8 and Figure 11 As shown, the suction component includes a fixed air pipe 207 connected to the semi-empty column 203, a multi-way joint 208 connected to the fixed air pipe 207, an intake pipe 209 connected to the multi-way joint 208, a vacuum generator 210 connected to the intake pipe 209, and an outlet pipe 212 connected to the vacuum generator 210. The fixed air pipe 207 and the vacuum suction cup 206 are set to be connected through the air collection chamber 204.

[0029] According to Figure 4As shown, the moving component 4 includes a fixed bar 401 connected to the connecting plate 304, a limiting rod 404 connected to the fixed bar 401, and a moving seat assembly movably connected to the fixed bar 401.

[0030] According to Figure 4 As shown, the moving seat assembly includes a abutting frame 402 movably connected to the fixed bar 401, a fixed stop piece 403 connected to the abutting frame 402, a limiting hole 405 opened on the abutting frame 402, a return spring 406 connected to the abutting frame 402, a fixed pressing piece 407 connected to the return spring 406, a connecting wheel piece 408 connected to the abutting frame 402, a rotating wheel 409 movably connected to the connecting wheel piece 408, and a plurality of spacer bars 410 connected to the rotating wheel 409. The limiting hole 405 and the limiting rod 404 are arranged in one-to-one correspondence.

[0031] It should be noted that the position adjustment of the fixed bar 401 inside the abutting frame 402 is realized through the one-to-one corresponding limiting hole 405 and limiting rod 404, so that the rotating wheel 409 can adapt to the uneven ground. At the same time, through the setting of the return spring 406 and the fixed pressing piece 407, it can be ensured that during the movement of the abutting frame 402, the phenomenon that the abutting frame 402 moves excessively and is difficult to rebound will not occur. At the same time, through the plurality of spacer bars 410 arranged on the rotating wheel 409, during the movement of the rotating wheel 409, the problem that the rotating wheel 409 is blocked by stones during rotation can be avoided through the gaps between adjacent spacer bars 410, thereby greatly improving the moving stability of the entire moving component 4.

[0032] According to Figure 10 As shown, the adjusting component 6 includes a fixed piece 605 connected to the flange cover 701, a connecting block frame 604 connected to the fixed piece 605, screw rod sliders 603 respectively connected to both sides of the connecting block frame 604, a screw rod slide rail 602 movably connected to the screw rod sliders 603, and a mounting piece 601 connected to the screw rod slide rail 602. The mounting piece 601 is connected to the fixed sleeve 101. The screw rod sliders 603 and the screw rod slide rail 602 are used to drive the flange cover 701 to move along the air outlet pipe 212.

[0033] It should be noted that the screw rod slider 603 and the screw rod slide rail 602 cooperate with each other to drive the connecting block frame 604 to move, so as to drive the flange cover 701 to move synchronously through the connecting block frame 604, and make the moving flange cover 701 move the accelerometer 504, so that the detection device can be adapted to be operated by a single person, thereby greatly improving the use convenience of the entire detection device.

[0034] It should be noted that the detection method of the above-mentioned building construction foundation detection device based on load measurement includes the following steps: S1: Move this device to the top of the foundation pile, and apply the two fixed air pipes 207 through the vacuum generator 210 to suck the air inside the air collection cavity 204 through the fixed air pipes 207, so as to adsorb the semi-empty column 203 on both sides of the top of the foundation pile through the vacuum suction cup 206. Drive the meshing runner 106 to rotate through the first motor 105, so as to drive the two meshing racks 302 to move towards each other horizontally through the rotating meshing runner 106, so that the connecting sleeve 301 connected to the meshing rack 302 can drive the connecting plate 304 to move; S2: Under the action of the moving connecting plate 304, the rotating wheel 409 will be driven to rotate. During the moving process, the uneven ground will force the abutting frame 402 to move in the vertical direction, so that the limiting rod 404 moves towards or away from the limiting hole 405, and drive several spacer bars 410 to move in a circular motion around the central axis of the rotating wheel 409 through the rotating rotating wheel 409, so that the two abutting frames 402 can be clamped on both sides of the top of the foundation pile. Then drive the flange cover 701 to move through the lead screw slide rail 602 and the lead screw slider 603, so that the accelerometer 504 on the flange cover 701 can press on the top of the foundation pile. At the same time, during the movement of the flange cover 701, the air inside the air collection cavity 204 sucked by the vacuum generator 210 can be ejected through the air outlet pipe 212 to realize dust cleaning at the position of the accelerometer 504; S3: When the accelerometer 504 presses on the top of the foundation pile, drive the knocking block 704 to move through the hydraulic push rod 703, so as to apply an instantaneous impact on the top of the foundation pile through the knocking block 704 to stimulate the vibration of the pile top, and collect the vibration generated by the pile body through the accelerometer 504, and convert it into an electrical signal. Transmit the electrical signal to the data acquisition instrument 501 through the connecting wire 502, so as to amplify, filter and perform analog-to-digital conversion on the electrical signal by the data acquisition instrument 501, and display the waveform in real time, adjust the sampling rate and gain. At the same time, take pictures and record the display data of the data acquisition instrument 501 through the camera 104 located at the top of the data acquisition instrument 501 to realize the dynamic measurement and inspection of the foundation pile.

[0035] The whole process can be optimized from the double-operator mode of one person pressing the probe on the pile head and holding a force hammer to strike the pile top to generate stress waves, and the other person preliminarily judging whether the curve is qualified through the display of the pile tester connected to the probe and making records to a single-person operation mode, so as to improve the use convenience of the whole device to a certain extent. And drive the dust cleaning component 7 to move through the adjusting component 6, so that the dust cleaning component 7 can synchronously remove the dust on the pile top during the pressing process, and convert the generated dust during the cleaning process into the negative pressure for the device to adsorb on the ground, and further improve the working efficiency of the whole device to a certain extent.

[0036] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A construction foundation detection device based on load measurement, characterized in that: The invention comprises a driving component (1), two support components (2) connected to the driving component (1), a connecting component (3) movably connected to the support component (2), a moving component (4) connected to the connecting component (3), a detecting component (5) connected to the driving component (1), a dust cleaning component (7) connected to the detecting component (5), and an adjusting component (6) connected to the dust cleaning component (7), wherein the driving component (1) is used to drive the two connecting components (3) to move in opposite directions in a horizontal direction, the moving component (4) is used to drive the connecting component (3) to move along the support component (2), and the adjusting component (6) is used to drive the dust cleaning component (7) to move in a vertical direction; The detection component (5) comprises a data acquisition instrument (501) connected to the driving component (1), a connecting line (502) connected to the data acquisition instrument (501), an accelerometer (504) connected to the connecting line (502), and a line clamp (503) movably connected to the connecting line (502), wherein the data acquisition instrument (501) is used to obtain mechanical signals generated by pile body vibration or impact and convert them into electrical signals; The dust cleaning component (7) comprises a flange cover (701) connected to the accelerometer (504), a combination plate (702) connected to the flange cover (701), a hydraulic push rod (703) connected to the combination plate (702), and a knocking block (704) connected to the hydraulic push rod (703), wherein the hydraulic push rod (703) is used to drive the knocking block (704) to generate an instantaneous impact in a vertical direction to stimulate vibration of the pile top.

2. A construction foundation detection device based on load measurement according to claim 1, characterized in that: The driving assembly (1) comprises a fixing sleeve (101) connected to the detection assembly (5), a connecting column (102) connected to the fixing sleeve (101), a baffle (103) connected to the connecting column (102), a camera (104) connected to the baffle (103), and a rotating assembly connected to the fixing sleeve (101); the camera (104) is used to acquire video data from a data acquisition device (501).

3. A construction foundation detection device based on load measurement according to claim 2, characterized in that: The rotating assembly comprises a first motor (105) connected to a fixed sleeve (101), a meshing rotating wheel (106) connected to an output shaft of the first motor (105), and soft cushion strips (107) connected to two side surfaces of the fixed sleeve (101); the first motor (105) is used to drive the two connecting assemblies (3) to move in opposite directions in a horizontal direction.

4. A construction foundation detection device based on load measurement according to claim 3, characterized in that: The connection assembly (3) comprises meshing racks (302) respectively arranged at the front and rear ends of the meshing rotating wheel (106), a connection sleeve (301) connected to the meshing rack (302), a fixing rod (303) connected to the connection sleeve (301), a connection plate (304) connected to the fixing rod (303), a fixing handle (305) connected to the connection plate (304), a pulley sleeve (306) connected to the fixing rod (303), and an auxiliary pulley (307) movably connected to the pulley sleeve (306), wherein the meshing rack (302) meshes with the meshing rotating wheel (106).

5. The construction foundation detection device based on load measurement according to claim 4 is characterized in that: The support assembly (2) comprises a slide rail frame (201) movably connected to an auxiliary pulley (307), a connector (202) connected to the slide rail frame (201), a semi-empty column (203) connected to the connector (202), a gas collecting chamber (204) opened inside the semi-empty column (203), a connecting piece (205) connected to the semi-empty column (203), a vacuum suction cup (206) connected to the connecting piece (205), a filter plate (211) connected to the inner wall of the semi-empty column (203), and a suction assembly connected to the semi-empty column (203), wherein the vacuum suction cup (206) is used to adsorb the semi-empty column (203) to the ground surface, and the filter plate (211) is used to prevent stone particles entering through the connecting piece (205) from being introduced into the suction assembly by negative pressure.

6. A construction foundation detection device based on load measurement according to claim 5, characterized in that: The suction assembly comprises a fixed air pipe (207) connected to the semi-empty column (203), a multi-way head (208) connected to the fixed air pipe (207), an air inlet pipe (209) connected to the multi-way head (208), a vacuum generator (210) connected to the air inlet pipe (209), and an air outlet pipe (212) connected to the vacuum generator (210); the fixed air pipe (207) is arranged to be in communication with the vacuum suction cup (206) via the air collecting cavity (204).

7. The construction foundation detection device based on load measurement according to claim 4 is characterized in that: The moving assembly (4) comprises a fixing bar (401) connected to the connecting plate (304), a limiting rod (404) connected to the fixing bar (401), and a moving seat assembly movably connected to the fixing bar (401).

8. The construction foundation detection device based on load measurement according to claim 7, characterized in that: The movable seat assembly comprises a resting frame (402) movably connected to a fixed bar (401), a fixed blocking piece (403) connected to the resting frame (402), a limiting hole (405) provided on the resting frame (402), a return spring (406) connected to the resting frame (402), a fixed pressing piece (407) connected to the return spring (406), a connecting wheel piece (408) connected to the resting frame (402), a rotating wheel (409) movably connected to the connecting wheel piece (408), and a plurality of spacer bars (410) connected to the rotating wheel (409), wherein the limiting holes (405) and the limiting rods (404) are arranged in a one-to-one correspondence.

9. The construction foundation detection device based on load measurement according to claim 6, characterized in that: The adjustment component (6) comprises a fixing plate (605) connected to the flange cover (701), a connecting block frame (604) connected to the fixing plate (605), a screw slider (603) respectively connected to both sides of the connecting block frame (604), a screw guide rail (602) movably connected to the screw slider (603), and a mounting plate (601) connected to the screw guide rail (602), wherein the mounting plate (601) is connected to the fixing sleeve (101), and the screw slider (603) and the screw guide rail (602) are used to drive the flange cover (701) to move along the air outlet pipe (212).

10. A detection method for a construction foundation detection device based on load measurement, characterized in that: The construction foundation detection device based on load measurement as claimed in any one of claims 1 to 9 comprises the following steps: S1: The device is moved to the top of the pile, and the vacuum generator (210) acts on the two fixed air pipes (207) to suck the air inside the air collecting cavity (204) through the fixed air pipes (207), so that the semi-empty column (203) is adsorbed on both sides of the top of the pile through the vacuum suction cup (206), and the meshing rotating wheel (106) is driven to rotate by the first motor (105), so that the two meshing racks (302) are driven to move in opposite directions along the horizontal direction through the rotating meshing rotating wheel (106), so that the connecting sleeve (301) connected to the meshing rack (302) can drive the connecting plate (304) to move; S2: Under the action of the moving connecting plate (304), the rotating wheel (409) is driven to rotate. During the movement, the uneven ground forces the abutment frame (402) to move in the vertical direction, so that the limiting rod (404) moves toward or away from the limiting hole (405), and the rotating rotating wheel (409) drives a plurality of spacer bars (410) to perform a circular motion around the central axis of the rotating wheel (409), so that the two abutment frames (402) can clamp On both sides of the top of the foundation pile, the flange cover (701) is driven to move through the screw rail (602) and the screw slider (603), so that the accelerometer (504) on the flange cover (701) can be pressed against the top of the top of the foundation pile. At the same time, during the movement of the flange cover (701), the air inside the air collecting cavity (204) sucked by the vacuum generator (210) can be ejected through the air outlet pipe (212), so as to achieve dust cleaning at the accelerometer (504); S3: When the accelerometer (504) is pressed on the top of the foundation pile, the hydraulic push rod (703) drives the knocking block (704) to move, so as to apply an instantaneous impact to the top of the foundation pile through the knocking block (704) to stimulate the vibration of the pile top, and collect the vibration generated by the pile body through the accelerometer (504) to convert it into an electrical signal, and transmit the electrical signal to the data acquisition instrument (501) through the connecting line (502), so that the data acquisition instrument (501) amplifies, filters and performs analog-to-digital conversion on the electrical signal, and displays the waveform in real time, adjusts the sampling rate and gain, and at the same time, uses the camera (104) located at the top of the data acquisition instrument (501) to shoot and record the display data of the data acquisition instrument (501), so as to realize the dynamic measurement inspection of the foundation pile.

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