CN115467378B - Portable foundation engineering intelligence wireless detection equipment - Google Patents
Portable foundation engineering intelligence wireless detection equipment Download PDFInfo
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- CN115467378B CN115467378B CN202210979824.2A CN202210979824A CN115467378B CN 115467378 B CN115467378 B CN 115467378B CN 202210979824 A CN202210979824 A CN 202210979824A CN 115467378 B CN115467378 B CN 115467378B
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Abstract
The invention discloses a mobile foundation engineering intelligent wireless detection device, which is characterized in that a first static stable detection of a detection execution head is utilized, then a second detection after a period of oscillation is carried out by utilizing a first resonance mechanism and a second resonance mechanism, the depth and part of defects of concrete can be independently analyzed by utilizing a first detection result and a second detection result respectively, and small defects can be deformed or blocked by scraps after being vibrated by a vibration mechanism for fine defects, so that the analysis of fine defects of the concrete can be effectively realized by utilizing the comparison of the two results, and the defects which are not detected in the primary detection can be compared and analyzed, and the detection precision is improved.
Description
Technical Field
The invention particularly relates to a mobile foundation engineering intelligent wireless detection device, and relates to the field of foundation detection devices.
Background
At present, when quality inspection and acceptance inspection are performed on a concrete foundation, the qualification of the foundation is often required to be detected, a plurality of position spot inspection modes are generally adopted during detection, and corresponding defect inspection is performed by using detection equipment during spot inspection. The existing detection method mainly comprises a mode of damaging concrete such as drilling and wireless nondestructive detection, wherein the nondestructive detection does not have adverse effect on the foundation, and the detection efficiency can be effectively improved. One of the currently more commonly used wireless detection methods is a vertical emission method, which utilizes high-power high-frequency sound waves to emit pulse signals into concrete, then a detector receives the reflected signals, and the defect condition in the concrete and the information such as the depth of the concrete can be judged according to the reflection condition. The method can rapidly realize effective detection of the concrete foundation. However, the current detection does not respond well to defects of the foundation, i.e. fine defects cannot be detected.
Disclosure of Invention
Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a mobile foundation engineering intelligent wireless detection device.
The invention is realized by the way, a mobile foundation engineering intelligent wireless detection device is constructed, which comprises a support, a detection control main body, a detection execution head, a first resonance mechanism and a second resonance mechanism, wherein the support is arranged on two sides or the periphery of the detection control main body, the detection control main body is also connected with the detection execution head in a signal manner, the angle of the detection execution head can be adjusted, and the detection execution head can emit pulse signals towards a detection direction by utilizing high-power high-frequency sound waves so as to detect the condition of a concrete foundation, and the detection direction is a downward direction perpendicular to the upper surface of the concrete foundation at a position to be detected; the concrete foundation vibration isolation device is characterized in that one side of the support is provided with the first resonance mechanism, the other side of the support is provided with the second resonance mechanism, the first resonance mechanism and the second resonance mechanism are identical in structure, the adjusting range of the vibration frequency of the first resonance mechanism and the second resonance mechanism is 20-60Hz, and the vibration frequency of the first resonance mechanism and the second resonance mechanism is as close to the natural frequency of the concrete foundation as possible during operation; the device further comprises a controller, wherein the controller is configured to control the detection control main body to adjust the angle of the detection execution head when detecting, then the detection execution head is utilized to carry out first detection on the concrete foundation, then the controller is configured to control the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, and then the detection execution head is utilized to carry out second detection on the concrete foundation.
Further, preferably, the oscillation execution ends of the first and second resonance mechanisms are provided with an adjustable angle and position with respect to the detection control body.
Further, as the preference, first resonance mechanism and second resonance mechanism all include coupling assembling, fixed disk, linking arm, adjust carousel, oscillation generator, vibration and carry out first and balancing weight, the one end of fixed disk adopts coupling assembling is connected to the support, the one end of linking arm articulated be connected to the other end of fixed disk, the other end of linking arm articulated be connected to adjust the carousel, the last fixed oscillation generator that is provided with of adjustment carousel, oscillation generator's output connection is provided with the vibration is carried out first, oscillation generator's upper end detachable is connected with the balancing weight.
Further, preferably, the lower end of the oscillation performing head is further provided with a wear-resistant disc-shaped abutment head, the lower end of which abuts against the upper end face of the concrete foundation upon oscillation.
Further, preferably, adjusting motors are arranged at the hinge positions between the connecting arm and the fixed disc and between the connecting arm and the adjusting turntable, and the adjusting motors can drive the connecting arm and the adjusting turntable to rotate around the respective hinge positions; and each support is provided with a movable wheel in a locking manner.
Further, preferably, the connection assembly includes a connection pad and a shock-absorbing connection post, wherein one end of the connection pad is connected to a side of the support, the other end of the shock-absorbing connection post is connected to the other end of the connection pad, and the other end of the shock-absorbing connection post is connected to the fixing pad.
Further, as an preference, the detection control main body includes frame, angle adjustment motor, driving medium, detection execution head and fixed shell, fixed shell fixed mounting is in on the support, the fixed shell internal fixation is provided with angle adjustment motor, angle adjustment motor's output passes through the driving medium drive is connected to the frame, the frame articulates to be connected in the fixed shell, so that the angle of frame can by angle adjustment motor drives the regulation, the detection execution head is installed the bottom of frame.
Further, preferably, the detection execution head is further connected with a connection board, a plurality of laser rangefinders are arranged on the connection board, each laser rangefinder is connected with the controller, so that a plurality of laser rangefinders are used for detecting the inclination condition between the detection execution head and the upper end face of the foundation, and further used for feedback control of the angle adjusting motor to drive and adjust the detection execution head.
Further, preferably, the vibration frequency of the first resonance mechanism and the second resonance mechanism is 30-50Hz when in operation; the detection execution head is at least provided with a high-power high-frequency sound wave emitter and an acceleration detector, the detector is used for receiving and detecting, the high-frequency sound wave emitted by the high-power high-frequency sound wave emitter emits pulse signals into the concrete, and the acceleration detector is used for receiving signals reflected by the concrete foundation so as to detect the condition of the concrete foundation according to the received signals.
The invention further provides an intelligent wireless detection method for foundation engineering, which adopts the intelligent wireless detection equipment for mobile foundation engineering, and is characterized in that: which comprises the following steps:
(1) The device is moved to a position to be detected at the upper end face of the foundation to be detected, a moving wheel is locked and supported on the upper end face of the foundation or a support is supported on the upper end face of the foundation, and a controller controls the angle adjusting motor to drive and adjust the detection executing head according to the inclination condition between the detection executing head and the upper end face of the foundation, which is detected by a plurality of laser distance measuring devices, so that the lower end face of the detection executing head is close to and parallel to the upper end face of the foundation;
(2) The high-power high-frequency sound wave transmitter of the detection execution head transmits a pulse signal to the concrete, the acceleration detector receives a signal reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signal and the received signal to obtain a first detection result;
(3) The controller controls the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, then the detection execution head is used for transmitting pulse signals into the concrete, the acceleration detector receives signals reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signals and the received signals to obtain a second detection result;
(4) And (3) jointly analyzing the defect condition inside the concrete foundation by combining the first detection result and the second detection result, and the depth condition of the concrete foundation. .
The invention has the following advantages: compared with the same type of equipment, the intelligent wireless detection equipment for the mobile foundation engineering has the following advantages:
according to the intelligent wireless detection equipment for the mobile foundation engineering, the first static stable detection of the head is performed through detection, then the second detection after the first resonance mechanism and the second resonance mechanism vibrate for a period of time is utilized, the first detection result and the second detection result are utilized respectively to independently analyze the depth and part of defects of concrete, and for the small defects, deformation or blockage of the small defects by fragments can occur after the small defects vibrate through the vibration mechanism, so that the analysis of the small defects of the concrete can be effectively realized by utilizing the comparison of the two results, and the defects which are not detected in the first detection can be compared and analyzed, the detection accuracy is improved.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a schematic diagram of the first or second resonant mechanism of the present invention;
fig. 3 is a schematic diagram of the detection control main body structure of the present invention.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings, 1-3, will provide a clear and complete description of the embodiments of the present invention, it being apparent that the embodiments described are merely some, but not all, of the embodiments of the present invention. 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.
The invention provides a mobile foundation engineering intelligent wireless detection device through improvement, which comprises a support 12, a detection control main body 1, a detection execution head 11, a first resonance mechanism 2 and a second resonance mechanism 3, wherein the support 12 is arranged on two sides or the periphery of the detection control main body 1, the detection execution head 11 is also connected to the detection control main body 1 in a signal manner, the angle of the detection execution head 11 can be adjusted, and the detection execution head 11 can emit pulse signals towards a detection direction by utilizing high-power high-frequency sound waves so as to detect the condition of a concrete foundation, and the detection direction is a downward direction perpendicular to the upper surface of the concrete foundation at a position to be detected; the concrete foundation is characterized in that one side of the support 12 is provided with the first resonance mechanism 2, the other side of the support 12 is provided with the second resonance mechanism 3, the first resonance mechanism 2 and the second resonance mechanism 3 have the same structure, the adjusting range of the vibration frequency of the first resonance mechanism and the second resonance mechanism is 20-60Hz, and the vibration frequency of the first resonance mechanism and the second resonance mechanism is as close to the natural frequency of the concrete foundation as possible during operation; the device further comprises a controller, wherein the controller is configured to control the detection control main body to adjust the angle of the detection execution head when detecting, then the detection execution head is utilized to carry out first detection on the concrete foundation, then the controller is configured to control the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, and then the detection execution head is utilized to carry out second detection on the concrete foundation.
In this embodiment, the angles and positions of the oscillation executing ends of the first and second resonance mechanisms relative to the detection control main body may be adjusted, so as to adjust the positions and angles of the oscillations according to actual situations, and facilitate the generation of resonance.
The first resonance mechanism and the second resonance mechanism all include coupling assembling, fixed disk 10, linking arm 6, adjust carousel 18, oscillation generator 19, vibration and carry out first 8 and balancing weight 7, the one end of fixed disk 10 adopts coupling assembling is connected to support 12, the one end of linking arm 6 articulated be connected to the other end of fixed disk, the other end of linking arm 6 articulated be connected to adjust the carousel, the fixed oscillation generator 19 that is provided with on the adjustment carousel 18, oscillation generator's output connection is provided with oscillation is carried out first 8, oscillation generator's upper end detachable is connected with balancing weight 7, the balancing weight can be changed according to actual vibration dynamics.
The lower end of the oscillation performing head is also provided with a wear-resistant disc-shaped abutment head 9, and the lower end of the disc-shaped abutment head 9 abuts against the upper end surface of the concrete foundation during oscillation.
The hinge joint between the connecting arm 6 and the fixed disc and the hinge joint between the connecting arm 6 and the adjusting turntable are respectively provided with an adjusting motor, and the adjusting motors can drive the connecting arm and the adjusting turntable to rotate around the respective hinge joints; a moving wheel (not shown) is arranged on each support in a locking manner so as to adjust and move according to the detection position.
The coupling assembling includes connection pad 17 and shock attenuation spliced pole 5, wherein, the one end of connection pad is connected to the side of support, the other end of shock attenuation spliced pole 5 is connected to the other end of connection pad, the other end of shock attenuation spliced pole is connected to the fixed disk, the setting of shock attenuation spliced pole 5 can reduce the influence of vibration to detecting the execution head.
The detection control main body comprises a base 4, an angle adjusting motor 15, a transmission piece 14, a detection executing head 11 and a fixed shell (not shown in the figure), wherein the fixed shell is fixedly arranged on the support, the angle adjusting motor is fixedly arranged in the fixed shell, the output end of the angle adjusting motor is connected to the base through the transmission piece in a driving mode, the base is hinged to the fixed shell, so that the angle of the base can be driven and adjusted by the angle adjusting motor, and the detection executing head is arranged at the bottom of the base.
The detection execution head is also connected with a connecting plate 16, the connecting plate 16 is provided with a plurality of laser rangefinders 13, each laser rangefinder is connected with the controller, so that a plurality of laser rangefinders are used for detecting the inclination condition between the detection execution head and the upper end face of the foundation, and further used for controlling the angle adjusting motor to drive and adjust the detection execution head in a feedback manner.
When the device works, the vibration frequency of the first resonance mechanism and the second resonance mechanism is 30-50Hz, and the natural frequency of the concrete foundation is generally 30-50Hz, so that the vibration with the frequency can effectively excite the generation of resonance, the resonance effect on the foundation is improved, the interference effect on small defects in the concrete is achieved, and the comparison and comparison of the two detection results are facilitated; the detection execution head is at least provided with a high-power high-frequency sound wave emitter and an acceleration detector, the detector is used for receiving and detecting, the high-frequency sound wave emitted by the high-power high-frequency sound wave emitter emits pulse signals into the concrete, and the acceleration detector is used for receiving signals reflected by the concrete foundation so as to detect the condition of the concrete foundation according to the received signals.
In addition, the invention also provides an intelligent wireless detection method for foundation engineering, which adopts the intelligent wireless detection equipment for mobile foundation engineering, and is characterized in that: which comprises the following steps:
(1) The device is moved to a position to be detected at the upper end face of the foundation to be detected, a moving wheel is locked and supported on the upper end face of the foundation or a support is supported on the upper end face of the foundation, and a controller controls the angle adjusting motor to drive and adjust the detection executing head according to the inclination condition between the detection executing head and the upper end face of the foundation, which is detected by a plurality of laser distance measuring devices, so that the lower end face of the detection executing head is close to and parallel to the upper end face of the foundation;
(2) The high-power high-frequency sound wave transmitter of the detection execution head transmits a pulse signal to the concrete, the acceleration detector receives a signal reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signal and the received signal to obtain a first detection result;
(3) The controller controls the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, then the detection execution head is used for transmitting pulse signals into the concrete, the acceleration detector receives signals reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signals and the received signals to obtain a second detection result;
(4) And (3) jointly analyzing the defect condition inside the concrete foundation by combining the first detection result and the second detection result, and the depth condition of the concrete foundation.
The invention has the following advantages: compared with the same type of equipment, the intelligent wireless detection equipment for the mobile foundation engineering has the following advantages:
according to the intelligent wireless detection equipment for the mobile foundation engineering, the first static stable detection of the head is performed through detection, then the second detection after the first resonance mechanism and the second resonance mechanism vibrate for a period of time is utilized, the first detection result and the second detection result are utilized respectively to independently analyze the depth and part of defects of concrete, and for the small defects, deformation or blockage of the small defects by fragments can occur after the small defects vibrate through the vibration mechanism, so that the analysis of the small defects of the concrete can be effectively realized by utilizing the comparison of the two results, and the defects which are not detected in the first detection can be compared and analyzed, the detection accuracy is improved.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The intelligent wireless detection equipment for the mobile foundation engineering comprises a support, a detection control main body, a detection execution head, a first resonance mechanism and a second resonance mechanism, wherein the support is arranged on two sides or the periphery of the detection control main body, the detection execution head is also connected to the detection control main body in a signal manner, the angle of the detection execution head can be adjusted, and the detection execution head can emit pulse signals towards a detection direction by utilizing high-power high-frequency sound waves so as to detect the condition of a concrete foundation, and the detection direction is a downward direction perpendicular to the upper surface of the concrete foundation at a position to be detected; the concrete foundation vibration isolation device is characterized in that one side of the support is provided with the first resonance mechanism, the other side of the support is provided with the second resonance mechanism, the first resonance mechanism and the second resonance mechanism are identical in structure, the adjusting range of the vibration frequency of the first resonance mechanism and the second resonance mechanism is 20-60Hz, and the vibration frequency of the first resonance mechanism and the second resonance mechanism is close to the natural frequency of the concrete foundation during operation; the controller is configured to control the detection control main body to adjust the angle of the detection execution head when detecting, then, the detection execution head is utilized to carry out first detection on the concrete foundation, then, the controller controls the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, and then, the detection execution head is utilized to carry out second detection on the concrete foundation;
the vibration frequency of the first resonance mechanism and the second resonance mechanism is 30-50Hz during operation; the detection execution head is at least provided with a high-power high-frequency sound wave emitter and an acceleration detector, the detector is used for receiving and detecting, the high-frequency sound wave emitted by the high-power high-frequency sound wave emitter emits pulse signals into the concrete, and the acceleration detector is used for receiving signals reflected by the concrete foundation so as to detect the condition of the concrete foundation according to the received signals.
2. The mobile foundation engineering intelligent wireless detection device according to claim 1, wherein: the angles and positions of the oscillation executing ends of the first resonance mechanism and the second resonance mechanism relative to the detection control main body can be adjusted.
3. The mobile foundation engineering intelligent wireless detection device according to claim 1, wherein: the first resonance mechanism and the second resonance mechanism all include coupling assembling, fixed disk, linking arm, adjust carousel, oscillation generator, vibration and carry out first and balancing weight, the one end of fixed disk adopts coupling assembling is connected to the support, the one end of linking arm articulated be connected to the other end of fixed disk, the other end of linking arm articulated be connected to adjust the carousel, the last fixed oscillation generator that is provided with of adjustment carousel, oscillation generator's output connection is provided with the vibration is carried out first, oscillation generator's upper end detachably is connected with the balancing weight.
4. A mobile foundation engineering intelligent wireless detection device according to claim 3, wherein: the lower end of the vibration execution head is also provided with a wear-resistant disc-shaped abutting head, and the lower end of the disc-shaped abutting head abuts against the upper end face of the concrete foundation during vibration.
5. A mobile foundation engineering intelligent wireless detection device according to claim 3, wherein: the hinge joint between the connecting arm and the fixed disc and the hinge joint between the connecting arm and the adjusting turntable are respectively provided with an adjusting motor, and the adjusting motors can drive the connecting arm and the adjusting turntable to rotate around the respective hinge joints; each support is provided with a lockable movable wheel.
6. A mobile foundation engineering intelligent wireless detection device according to claim 3, wherein: the connecting assembly comprises a connecting disc and a shock absorption connecting column, wherein one end of the connecting disc is connected to the side face of the support, the other end of the shock absorption connecting column is connected to the other end of the connecting disc, and the other end of the shock absorption connecting column is connected to the fixing disc.
7. The mobile foundation engineering intelligent wireless detection device of claim 5, wherein: the detection control main body comprises a base, an angle adjusting motor, a transmission part, a detection executing head and a fixing shell, wherein the fixing shell is fixedly arranged on the support, the angle adjusting motor is fixedly arranged in the fixing shell, the output end of the angle adjusting motor is connected to the base through the transmission part in a driving mode, the base is hinged to the fixing shell, so that the angle of the base can be driven and adjusted by the angle adjusting motor, and the detection executing head is arranged at the bottom of the base.
8. The mobile foundation engineering intelligent wireless detection device of claim 7, wherein: the detection execution head is also connected with a connecting plate, a plurality of laser distance measuring devices are arranged on the connecting plate, each laser distance measuring device is connected with the controller, so that a plurality of laser distance measuring devices are used for detecting the inclination condition between the detection execution head and the upper end face of the foundation, and the detection execution head is further used for controlling the angle adjusting motor to drive and adjust the detection execution head in a feedback mode.
9. An intelligent wireless detection method for foundation engineering, which adopts the intelligent wireless detection device for mobile foundation engineering according to claim 8, and is characterized in that: which comprises the following steps:
(1) The device is moved to a position to be detected at the upper end face of the foundation to be detected, a moving wheel is locked and supported on the upper end face of the foundation or a support is supported on the upper end face of the foundation, and a controller controls the angle adjusting motor to drive and adjust the detection executing head according to the inclination condition between the detection executing head and the upper end face of the foundation, which is detected by a plurality of laser distance measuring devices, so that the lower end face of the detection executing head is close to and parallel to the upper end face of the foundation;
(2) The high-power high-frequency sound wave transmitter of the detection execution head transmits a pulse signal to the concrete, the acceleration detector receives a signal reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signal and the received signal to obtain a first detection result;
(3) The controller controls the first resonance mechanism and the second resonance mechanism to oscillate for a period of time at a frequency close to the natural frequency of the concrete foundation, then the detection execution head is used for transmitting pulse signals into the concrete, the acceleration detector receives signals reflected by the concrete foundation, and the controller detects the condition of the concrete foundation according to the transmitted signals and the received signals to obtain a second detection result;
(4) And (3) jointly analyzing the defect condition inside the concrete foundation by combining the first detection result and the second detection result, and the depth condition of the concrete foundation.
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