CN116223628B - Detection device and method for water gate concrete bottom plate void - Google Patents
Detection device and method for water gate concrete bottom plate void Download PDFInfo
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- CN116223628B CN116223628B CN202310356029.2A CN202310356029A CN116223628B CN 116223628 B CN116223628 B CN 116223628B CN 202310356029 A CN202310356029 A CN 202310356029A CN 116223628 B CN116223628 B CN 116223628B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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Abstract
The invention provides a detection device for the void of a sluice concrete bottom plate, which comprises a mobile vehicle, a sluice bottom plate and a detection device, wherein a visual camera is arranged on the mobile vehicle; the reference piece is arranged on the gate bottom plate, the reference piece and the gate bottom plate are of an integral pouring structure, the reference piece is provided with a fitting part and a reflecting part, the fitting part of the reference piece is level with the end face of the top end of the gate bottom plate, and the reflecting part of the reference piece stretches into foundation soil; the detection mechanism is arranged on the mobile vehicle and comprises a suction piece and a sound wave emitter, the suction piece and the sound wave emitter are in sliding lifting with the mobile vehicle, the suction end of the suction piece is matched with the attaching part to form a negative pressure cavity, the sound wave emitter is arranged in the negative pressure cavity, the transmitting end of the sound wave emitter is abutted to the attaching part, and the reflecting part is used for receiving sound wave reflection signals; the suction piece is electrically connected with the vision camera. The invention can effectively reduce the influence of external factors on the void detection, ensure the precision of the void detection and improve the detection efficiency.
Description
Technical Field
The invention belongs to the technical field of void detection, and particularly relates to a device and a method for detecting the void of a sluice concrete bottom plate.
Background
The sluice built on soft soil foundation or sand foundation, in the long-term operation process, because of the influence of environmental factors such as dynamic water pressure, the uncoordinated deformation appears easily between sluice concrete bottom plate and the foundation, causes the foundation to appear that the sluice bottom breaks, uneven subsidence, sluice bottom plate silt is elutriated and the infiltration warp etc. disease. The concrete sluice bottom plate is taken as an important component of the sluice, and once the sluice is destroyed, the service life of the sluice structure is seriously threatened, and the life and property safety of people is damaged. Therefore, how to adopt an effective detection method, and further accurately judge the position and the void degree of the void area, provides a solution for hidden danger of the sluice to ensure the safe operation of the sluice, and has very important significance.
In the prior art, a mode of manual knocking, pre-buried sensor or acoustic wave detection is generally adopted, but the manual knocking detection method possibly causes inaccurate detection results due to excessively thick gate bottom plate; the pre-buried sensor monitoring method also has the problem that the wire is damaged or the sensor fails and cannot be monitored, and the acoustic wave detection has the advantages of rapid detection and high detection sensitivity, so that the acoustic wave detection device is widely used, but the existing acoustic wave detection device is easily influenced by external factors and has larger detection error. Therefore, a device for detecting the concrete void of a sluice is needed.
Disclosure of Invention
The invention aims to provide a detection device and a detection method for the void of a sluice concrete bottom plate, so as to solve the problems, effectively reduce the influence of external factors on the void detection, ensure the precision of the void detection and improve the detection efficiency.
In order to achieve the above object, the present invention provides the following solutions:
the detection device for the water gate concrete bottom plate void comprises a mobile vehicle, wherein a visual camera is arranged on the mobile vehicle,
a brake bottom plate covering the foundation soil;
the reference piece is arranged on the gate bottom plate, the reference piece and the gate bottom plate are of an integral pouring structure, the reference piece is provided with a fitting part and a reflecting part, the fitting part of the reference piece is level with the end face of the top end of the gate bottom plate, and the reflecting part of the reference piece stretches into foundation soil;
the detection mechanism is arranged on the mobile vehicle and comprises a suction piece and a sound wave emitter, the suction piece is in sliding lifting with the mobile vehicle, the suction end of the suction piece is matched with the attaching part to form a negative pressure cavity, the sound wave emitter is arranged in the negative pressure cavity, the transmitting end of the sound wave emitter is in abutting connection with the attaching part, and the reflecting part is used for receiving sound wave reflection signals;
the suction piece is electrically connected with the vision camera.
Preferably, the reference member includes a plurality of connection columns penetrating through the gate bottom plate, the connection columns are arranged in a matrix, the connection columns are arranged on the gate bottom plate, and the attaching portion and the reflecting portion are respectively arranged at the top end and the bottom end of the connection columns.
Preferably, the attaching part comprises an attaching plate fixedly connected with the connecting column, the top end of the attaching plate is flush with the end face of the gate bottom plate, the top end of the attaching plate is provided with a sealing groove, the inner wall surface of the sealing groove is fixedly connected with a sealing ring, and the suction end of the suction piece is abutted to the sealing ring.
Preferably, the reflecting part comprises a fixed plate fixedly connected with the connecting column, the bottom end of the fixed plate stretches into the foundation soil, an empty groove is formed in the bottom end of the fixed plate, and an acoustic wave recoverer is fixedly connected in the empty groove.
Preferably, the suction piece comprises a suction cover, one end of an electric telescopic rod is fixedly connected to the bottom end of the moving vehicle, the suction cover is fixedly connected to the other end of the electric telescopic rod, one side, far away from the electric telescopic rod, of the suction cover faces towards the attaching plate, the sound wave reflector is arranged in the suction cover, and the sound wave reflector is in sliding connection with the suction cover.
Preferably, the electric telescopic rod is of a hollow tubular structure, the suction hood is fixedly connected to the peripheral wall of the electric telescopic rod, a lifting cylinder is fixedly connected in the electric telescopic rod and is in sliding connection with the suction hood, the lifting cylinder is not in contact with the electric telescopic rod and the inner wall surface of the suction hood, and the sound wave transmitter is fixedly connected with the lifting cylinder.
The detection method for the water gate concrete bottom plate void is based on the detection device for the water gate concrete bottom plate void, and further comprises the following steps:
s1: positioning a suction piece, and moving the suction piece to the position above the reference piece to be detected;
s2: constructing a detection environment, lifting the suction piece to the top end of the reference piece, and attaching the suction end of the suction piece to the attaching part to perform suction negative pressure;
s3: releasing the sound wave signal, abutting the transmitting end of the sound wave transmitter with the attaching part, and then transmitting the sound wave signal;
s4: receiving the reflected echo, and receiving the reflected echo through a reflecting part extending into foundation soil;
s5: and analyzing the echo signals, transmitting the echo signals received by the reflecting part to an external control system, and carrying out subsequent processing on the signals through the control system.
Preferably, in step S5, when the void signal occurs, the void point is marked, a three-dimensional coordinate system is established with the corresponding point as the origin, the Z-axis coordinate of the origin is measured, and when the void does not occur, the suction piece is moved to above the next reference piece to be detected, and then steps S2-S5 are repeated.
Preferably, in step S5, after the three-dimensional coordinate system of the void at the completion point is established, the mobile vehicle controls the suction piece and the sound wave emitter to sequentially detect the direction of the three-dimensional coordinate system X, Y, and correspondingly measures the Z-axis coordinate of the detection point, so as to establish the three-dimensional topographic map of the whole void.
Compared with the prior art, the invention has the following advantages and technical effects:
according to the invention, the gate bottom plate is paved on foundation soil, the reference piece is integrally poured and formed in the gate bottom plate, the joint part and the reflecting part are respectively arranged on the reference piece, the joint part extends out of the gate bottom plate and is flush with the port of the gate bottom plate, the reference piece is positioned by utilizing a vision camera arranged on the moving vehicle, then the moving vehicle moves the suction piece to the upper part of the joint part, the suction piece is jointed with the joint part through sliding lifting and lowering, then suction is performed to form a negative pressure cavity, the formed negative pressure cavity is abutted with the joint part through lifting and lowering the sound wave emitter, sound waves are transmitted into the foundation soil by utilizing the reference piece, and then the reflecting part extending into the foundation soil is used for receiving echo signals so as to detect the condition of underground void.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a diagram showing the positional relationship between an integral device and a void region;
FIG. 2 is a side view of the integrated device and void region;
FIG. 3 is a schematic structural view of a reference member;
FIG. 4 is a cross-sectional view of the structure of the electric telescopic rod and the lifting cylinder;
FIG. 5 is a schematic structural diagram of the connection of an acoustic transmitter to a reference member;
fig. 6 is a schematic structural view of embodiment 2;
FIG. 7 is a schematic view of the structure of the inflatable device of embodiment 2;
FIG. 8 is a schematic view of the positional relationship of a rubber pad and a suction hood;
1, a mobile vehicle; 2. a gate bottom plate; 3. foundation soil; 4. an acoustic wave emitter; 5. a vision camera; 6. a connecting column; 7. bonding plates; 8. a seal ring; 9. a fixing plate; 10. an acoustic wave recoverer; 11. a suction hood; 12. an electric telescopic rod; 13. a lifting cylinder; 14. a support plate; 15. an inflatable hood; 16. and a rubber pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Embodiment one:
referring to fig. 1-5, a detection device for the falling-off of a sluice concrete bottom board comprises a mobile vehicle 1, a vision camera 5 arranged on the mobile vehicle 1, and also comprises,
a gate bottom plate 2 covering the foundation soil 3;
the reference piece is arranged on the gate bottom plate 2, the reference piece and the gate bottom plate 2 are of an integral pouring structure, the reference piece is provided with a fitting part and a reflecting part, the fitting part of the reference piece is level with the end face of the top end of the gate bottom plate 2, and the reflecting part of the reference piece stretches into foundation soil 3;
the detection mechanism is arranged on the mobile vehicle 1 and comprises a suction piece and a sound wave emitter 4, wherein the suction piece and the sound wave emitter 4 are in sliding lifting with the mobile vehicle 1, the suction end of the suction piece is matched with the attaching part to form a negative pressure cavity, the sound wave emitter 4 is arranged in the negative pressure cavity, the emitting end of the sound wave emitter 4 is abutted to the attaching part, and the reflecting part is used for receiving sound wave reflection signals;
the suction piece is electrically connected with the vision camera 5.
According to the invention, the gate bottom plate 2 is paved on the foundation soil 3, the reference piece is integrally poured and formed in the gate bottom plate 2, the attaching part and the reflecting part are respectively arranged on the reference piece, the attaching part extends out of the gate bottom plate 2 and is flush with the port of the gate bottom plate 2, the reference piece is positioned by using the vision camera 5 arranged on the moving vehicle 1, then the moving vehicle 1 moves the suction piece to the upper part of the attaching part, the suction piece is attached to the attaching part by sliding the lifting suction piece and then performs suction action to form a negative pressure cavity, the formed negative pressure cavity is abutted to the attaching part by lifting the sound wave emitter 4, sound waves are transmitted into the foundation soil 3 by using the reference piece, and then echo signals are received by the reflecting part extending into the foundation soil 3, so that the condition of underground void is detected.
In one embodiment of the present invention, the mobile vehicle 1 preferably shoots the mobile vehicle, and according to the practical use environment, waterproof equipment such as a waterproof cover, etc. is correspondingly arranged on the mobile vehicle 1, the image signal is shot through the vision camera 5, then the image is transmitted to the remote control terminal for analysis, and then the electric signal obtained by analysis is used for controlling the mobile vehicle 1 to shoot on the gate base plate 1, and the positioning movement through the vision camera 5 is the prior art, and is not excessively stated.
In another embodiment of the present invention, it is conceivable that when the underwater empty detection is required, the mobile vehicle 1 may be replaced by a remote control ship (not shown in the figure), the operator carries the remote control ship onto the transport ship, places the remote control ship on the water surface after reaching the detection position, controls the remote control ship to move, performs the positioning reference member operation by the vision camera 5 at the bottom of the remote control ship (or replaces the vision camera 5 with an underwater positioning instrument such as a common GPS, sonar, radar, ultrasonic positioning instrument, etc. in response to the underwater turbid environment), then moves the remote control ship to the area to be detected, fixes the lifting suction member with the reference member, and after the suction member and the reference member are fixed by adsorption, the suction member and the reference member form an underwater anchoring structure in a self-adapting manner, thereby stabilizing the remote control ship, and avoiding the influence of the water wave effect on the detection effect of the acoustic wave emitter 4.
Further, the reference member includes a plurality of connection posts 6 penetrating through the gate bottom plate 2, the connection posts 6 are provided in a plurality, the connection posts 6 are arranged in a matrix on the gate bottom plate 2, and the attaching portion and the reflecting portion are respectively provided at the top and bottom ends of the connection posts 6.
Arrange in proper order on gate bottom plate 2 through a plurality of spliced poles 6 to carry out the sound wave detection that takes off one by one through locomotive 1, suction piece and sound wave transmitter 4, further improve the detection accuracy to the district that takes off, and spliced pole 6 also provide fixed stay for laminating portion and reflection portion when improving sound wave conduction speed, improve the detection effect from many aspects.
Further, the laminating portion includes laminating board 7 with spliced pole 6 rigid coupling, laminating board 7 top and brake bottom plate 2 terminal surface parallel and level, and the seal groove has been seted up on laminating board 7 top, and seal groove inner wall rigid coupling has sealing ring 8, and the suction end and the sealing ring 8 butt of suction piece.
Further, the reflecting part comprises a fixed plate 9 fixedly connected with the connecting column 6, the bottom end of the fixed plate 9 stretches into the foundation soil 3, a hollow groove is formed in the bottom end of the fixed plate 9, and an acoustic wave recoverer 10 is fixedly connected in the hollow groove.
Through set up the seal groove in laminating board 7 top and suction piece correspondence to the gas tightness when suction piece suction negative pressure is ensured to rigid coupling sealing ring 8 in the seal groove, and fixed plate 9 is owing to it stretches into foundation soil 3 when fixed sound wave recoverer 10, and arrange in proper order in the whole bottom of gate bottom plate 2, thereby strengthen the joint strength between gate bottom plate 2 and the foundation soil 3, the vibration effect that mechanical devices such as sound wave transmitter 4, mobile car 1 produced passes through laminating board 7 when carrying out the sound wave detection, spliced pole 6 and fixed plate 9 transmits to in the foundation soil 3, effectively release the vibration potential energy, reduce the negative influence that the vibration effect brought to the sound wave detection, improve the detection accuracy from many aspects.
Further, the suction piece includes suction hood 11, and the rigid coupling has the one end of electric telescopic handle 12 in mobile vehicle 1 bottom, and suction hood 11 rigid coupling is at the other end of electric telescopic handle 12, and suction hood 11 is kept away from one side of electric telescopic handle 12 and is set up towards laminating board 7, and the sound wave reflector sets up in suction hood 11, and the sound wave reflector slides with suction hood 11.
Further, the electric telescopic rod 12 is of a hollow tubular structure, the suction hood 11 is fixedly connected to the peripheral wall of the electric telescopic rod 12, the lifting cylinder 13 is fixedly connected in the electric telescopic rod 12, the lifting cylinder 13 is in sliding connection with the suction hood 11, the lifting cylinder 13 is not contacted with the electric telescopic rod 12 and the inner wall surface of the suction hood 11, and the sound wave emitter 4 is fixedly connected with the lifting cylinder 13.
The suction hood 11 is fixedly connected to the outer peripheral wall of the telescopic end of the electric telescopic rod 12 by adopting a hollow tubular electric telescopic rod 12 with the model number of SM-1-45, a suction pump (not shown in the figure) is arranged at the other end of the electric telescopic rod 12, so that the suction pump is communicated with the suction hood 11 through the electric telescopic rod 12, and in the technical scheme, the lifting cylinder 13 is fixedly connected in the electric telescopic rod 12 through the supporting plate 14, and the conceivable supporting plate 14 is of a plate-shaped structure with a communicating hole at the end face, so that the negative pressure suction effect is ensured while the lifting cylinder 13 is supported to drive the acoustic wave emitter 4 to slide and lift.
The detection method for the water gate concrete bottom plate void is based on the detection device for the water gate concrete bottom plate void, and further comprises the following steps:
s1: positioning a suction piece, and moving the suction piece to the position above the reference piece to be detected;
s2: constructing a detection environment, lifting the suction piece to the top end of the reference piece, and attaching the suction end of the suction piece to the attaching part to perform suction negative pressure;
s3: releasing the sound wave signal, abutting the transmitting end of the sound wave transmitter 4 with the attaching part, and then transmitting the sound wave signal;
s4: receiving the reflected echo, and receiving the reflected echo by a reflecting part extending into the foundation soil 3;
s5: and analyzing the echo signals, transmitting the echo signals received by the reflecting part to an external control system, and carrying out subsequent processing on the signals through the control system.
Further, in step S5, when a void signal occurs, a void point is marked, a three-dimensional coordinate system is established with the corresponding point as an origin, the Z-axis coordinate of the origin is measured, and when no void occurs, the suction piece is moved to above the next reference piece to be detected, and then steps S2-S5 are repeated.
Further, in step S5, after the three-dimensional coordinate system of the void at the completion point is established, the mobile vehicle 1 controls the suction piece and the acoustic wave emitter 4 to sequentially detect the direction of the three-dimensional coordinate system X, Y, and correspondingly measures the Z-axis coordinate of the detection point, so as to establish the three-dimensional topographic map of the entire void.
The invention utilizes a mobile vehicle 1 to move a suction piece to the upper part of a jointing part, the suction piece is jointed with the jointing part through sliding lifting, then suction is carried out to form a negative pressure cavity, the formed negative pressure cavity is abutted with the jointing part through a lifting sound wave emitter 4, sound waves are transmitted into foundation soil 3 through a reference piece, then echo signals are received through a reflecting part extending into the foundation soil 3 to detect the condition of underground void, finally the received echo signals are transmitted to an external control system through the reflecting part, the control system is a vehicle-mounted analysis system, the distance between the echo signals and the jointing part and the reflecting part is analyzed through the vehicle-mounted analysis system, a three-dimensional coordinate system is established at the current site, the depth (namely Z-axis coordinate) of a void area is calculated through reflection wavelength, and the three-dimensional coordinate system of the whole void area is established through repeated detection in sequence in the direction of X, Y, so that a three-dimensional topographic map is constructed.
In the technical scheme, the three-dimensional coordinates of the void areas are calculated through the acoustic wave reflection signals in the prior art, and no excessive statement is made.
Embodiment two:
referring to fig. 6-8, the invention is also provided with an auxiliary detection mechanism, wherein a plurality of vent holes are formed in the top end of the attaching plate 7 in the peripheral region of the sealing groove at equal intervals, one end of the connecting column 6 is communicated with the vent holes, the other end of the connecting column extends into the foundation soil 3 and is communicated with the foundation soil, correspondingly, an air charging cover 15 is arranged on the peripheral side of the suction cover 11, and a gap is arranged between the air charging cover 15 and the suction cover 11.
In the process of acoustic wave detection, the suction cover 11 is sucked and fixed by the attaching plate 7, and then the air vent hole formed at the top end of the attaching plate 7 is corresponding to the air cover 15, and the sound-transmitting protective gas (such as argon, helium, oxygen and the like commonly) is introduced into the foundation soil 3 through the air cover 15 and the connecting column 6, so that the transmission speed of the transmitted acoustic wave and the reflected echo conducted into the foundation soil 3 is improved, and the detection efficiency of the whole device is further improved.
And correspondingly, rubber pads 16 are fixedly connected to the inner wall surface of the suction hood 11 at equal intervals in the circumferential direction, and referring to fig. 6-8, protective gas is introduced into the air charging hood 15 while the suction hood 11 sucks negative pressure, so that the outer wall surface of the suction hood 11 is extruded to enable the rubber pads 16 to be abutted to the side wall surface of the lifting cylinder 13, the detection efficiency is improved, meanwhile, a damping effect is effectively generated on the acoustic wave emitter 4, and the acoustic wave emission effect is guaranteed.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. The utility model provides a detection device that sluice concrete bottom plate was taken off air, includes locomotive (1), install vision camera (5), its characterized in that on locomotive (1): also included is a method of manufacturing a semiconductor device,
a brake bottom plate (2) which is covered on foundation soil (3);
the reference piece is arranged on the gate bottom plate (2), the reference piece and the gate bottom plate (2) are of an integral pouring structure, the reference piece is provided with a fitting part and a reflecting part, the fitting part of the reference piece is level with the end face of the top end of the gate bottom plate (2), and the reflecting part of the reference piece stretches into foundation soil (3);
the detection mechanism is arranged on the mobile vehicle (1) and comprises a suction piece and a sound wave emitter (4), the suction piece is in sliding lifting with the mobile vehicle (1), the suction end of the suction piece is matched with the attaching part to form a negative pressure cavity, the sound wave emitter (4) is arranged in the negative pressure cavity, the emitting end of the sound wave emitter (4) is in abutting connection with the attaching part, and the reflecting part is used for receiving sound wave reflection signals;
the suction piece is electrically connected with the vision camera (5);
the reference piece comprises a plurality of connecting columns (6) penetrating through the gate bottom plate (2), the connecting columns (6) are arranged in a plurality, the connecting columns (6) are arranged on the gate bottom plate (2) in a matrix, and the attaching part and the reflecting part are respectively arranged at the top end and the bottom end of the connecting columns (6);
the reflection part comprises a fixed plate (9) fixedly connected with the connecting column (6), the bottom end of the fixed plate (9) stretches into the foundation soil (3), an empty groove is formed in the bottom end of the fixed plate (9), and an acoustic wave recoverer (10) is fixedly connected in the empty groove.
2. The detection device for the falling-out of the sluice concrete bottom board according to claim 1, wherein: the laminating portion include with laminating board (7) of spliced pole (6) rigid coupling, laminating board (7) top with gate bottom plate (2) terminal surface parallel and level, the seal groove has been seted up on laminating board (7) top, seal groove inner wall rigid coupling has sealing ring (8), the suction end of suction piece with sealing ring (8) butt.
3. The detection device for the falling-out of the sluice concrete bottom board according to claim 2, characterized in that: the suction piece comprises a suction cover (11), one end of an electric telescopic rod (12) is fixedly connected to the bottom end of the moving vehicle (1), the suction cover (11) is fixedly connected to the other end of the electric telescopic rod (12), one side, far away from the electric telescopic rod (12), of the suction cover (11) faces towards the attaching plate (7), the sound wave emitter (4) is arranged in the suction cover (11), and the sound wave emitter (4) is in sliding connection with the suction cover (11).
4. A sluice concrete floor void detection device according to claim 3, characterised in that: the electric telescopic rod (12) is of a hollow tubular structure, the suction hood (11) is fixedly connected to the peripheral wall of the electric telescopic rod (12), a lifting cylinder (13) is fixedly connected in the electric telescopic rod (12), the lifting cylinder (13) is in sliding connection with the suction hood (11), the lifting cylinder (13) is not in contact with the electric telescopic rod (12) and the inner wall surface of the suction hood (11), and the sound wave transmitter (4) is fixedly connected with the lifting cylinder (13).
5. The detection method for the water gate concrete bottom plate void is based on the detection device for the water gate concrete bottom plate void, and is characterized in that: the method also comprises the following steps:
s1: positioning a suction piece, and moving the suction piece to the position above the reference piece to be detected;
s2: constructing a detection environment, lifting the suction piece to the top end of the reference piece, and attaching the suction end of the suction piece to the attaching part to perform suction negative pressure;
s3: releasing the sound wave signal, abutting the transmitting end of the sound wave transmitter (4) with the attaching part, and then transmitting the sound wave signal;
s4: receiving the reflected echo, and receiving the reflected echo through a reflecting part extending into foundation soil (3);
s5: and analyzing the echo signals, transmitting the echo signals received by the reflecting part to an external control system, and carrying out subsequent processing on the signals through the control system.
6. The method for detecting the void of the sluice concrete bottom board according to claim 5, wherein: and S5, when a void signal appears, marking a void point, establishing a three-dimensional coordinate system by taking the corresponding point as an origin, measuring the Z-axis coordinate of the origin, and when the void does not appear, moving the suction piece to the position above the next reference piece to be detected, and repeating the steps S2-S5.
7. The method for detecting the void of the sluice concrete floor according to claim 6, wherein: and S5, after the three-dimensional coordinate system of the void at the point of completion is established, the mobile vehicle (1) controls the suction piece and the sound wave emitter (4) to sequentially detect the direction of the three-dimensional coordinate system X, Y, and correspondingly measures the Z-axis coordinate of the detection point, so as to establish a three-dimensional topographic map of the whole void.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310356029.2A CN116223628B (en) | 2023-04-06 | 2023-04-06 | Detection device and method for water gate concrete bottom plate void |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310356029.2A CN116223628B (en) | 2023-04-06 | 2023-04-06 | Detection device and method for water gate concrete bottom plate void |
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| CN116223628A CN116223628A (en) | 2023-06-06 |
| CN116223628B true CN116223628B (en) | 2023-10-13 |
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