CN104727358B - A kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings - Google Patents
A kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings Download PDFInfo
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- CN104727358B CN104727358B CN201510153438.8A CN201510153438A CN104727358B CN 104727358 B CN104727358 B CN 104727358B CN 201510153438 A CN201510153438 A CN 201510153438A CN 104727358 B CN104727358 B CN 104727358B
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention proposes a kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings, including：Measurement ＆control computer, winch and probe, Measurement ＆control computer are used for the probe control signals of the information generation that inputs according to user for probe, and probe control signals are transmitted into winch；Winch controls sending and receiving for promoter probe ultrasonic wave according to probe control signals, and controls the action in underground pile hole of popping one's head in；Probe extend into underground pile hole, is lifted under the control of winch and launches ultrasonic wave, and probe itself is rotated according to sonication times difference control, and Measurement ＆control computer draws the three-dimensional panoramic image and/or two-dimensional image of stake holes according to stake holes data.Present invention employs 360 degree of rotated detection modes, more rich side wall information can be obtained than traditional fixation detection mode, hole tiny on the side wall that current instrument can not be detected and crack can be detected.
Description
Technical field
The present invention relates to underground pile hole detection technique field, more particularly to a kind of underground pile hole hole of 360 degree of three-dimensional imagings
Wall detector.
Background technology
Existing drilled-hole inspecting mode mainly includes following several：Image machine testing, laser ranging detection, ultrasound examination
And mechanical detection.Above-mentioned several detection modes are introduced below：
(1) machine testing is imaged：Stake holes internal image is shot using camera, realizes and the panorama of stake holes inner case is seen
Examine.But quality of the detection containing a large amount of mud stake holes is frequently necessary in actual drilled-hole inspecting, only fitted using camera detecting method
For empty stake holes or the stake holes containing clear water detection, and it is this detection merely provide a kind of image of human eye observable, nothing
Method directly calculates the stake holes attributes such as stake holes diameter, the stake holes volume needed for architecture production.
(2) laser ranging is detected：The rotated detection stake holes internal information by the way of laser ranging.Precision of laser ranging
Height, the quality testing suitable for empty stake holes.Because laser can be decayed rapidly in the media such as water, mud, laser ranging detection method
Similar with the method that hole quality is detected using camera, existing can not be detected in the hole containing mud or muddy water
Shortcoming.
(3) mechanical detection：Mechanical drilled-hole inspecting method can detect stake holes hole shape, correct piling machine punching production in time
Raw skewness and the aperture quality problems such as not enough.But this kind of method can only qualitatively judge the quality flaw of stake holes presence,
Stake holes quality evaluation is provided without standard measure, is unfavorable for guidance amendment piling machine punching promptly and accurately.
(4) ultrasound examination：Using ultrasonic sensor detection pore-forming bottom sediment thickness.Ultrasonic sensor is clear
In water, muddy water and mud can normal detection range, be a kind of preferable drilled-hole inspecting method, it is stake to predominantly detect target
The sediment thickness in bottom hole portion.
Current architectural engineering underground hole-forming quality determining method is broadly divided into contact and contactless two kinds.Contact is examined
Survey instrument and hole wall is close to along into hole wall upward sliding using umbrella shape measurement leg, four measurement legs are in sliding process
In trembleed with the fluctuating of hole wall, its tremble change information it is collected after pore-forming can be obtained by data processing
Relevant parameter.Threaded non-contact detection instrument device is mainly detected that underground probe is in " ten " in lifting process by ultrasonic technique
Font launch ultrasonic wave, by receive the information of back wave and after processing obtain pore-forming " ten " font four direction hole wall
Line, the relevant parameter of pore-forming is obtained through further calculating.Compared to contaction measurement method, non-based on ultrasonic detection technology connects
Touch detection method more accurately facilitates, and is hole quality detection method relatively advanced at present.But due to can only be to stake holes wall
Four 90 ° of directions, which detect, obtains four holes side wall line chart, it is impossible to obtains the panoramic information of stake holes, exists and largely detect blind
Area, it is therefore necessary to further studied non-contact ultrasonic detection technique, to obtain the more complete complete of underground pile hole
Scape information.
The content of the invention
The purpose of the present invention is intended at least solve one of described technological deficiency.
Therefore, it is an object of the invention to propose a kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings, can adopt
With 360 degree of rotated detection modes, more rich side wall information can be obtained than traditional fixation detection mode, mesh can be detected
Tiny hole and crack on the side wall that preceding instrument can not be detected.
To achieve these goals, embodiments of the invention provide a kind of underground pile hole hole wall inspection of 360 degree of three-dimensional imagings
Instrument is surveyed, including：Measurement ＆control computer, winch and probe, wherein, the Measurement ＆control computer is connected by Ethernet with the winch,
The winch is connected by composite cable with the probe, wherein, the Measurement ＆control computer is used for the information inputted according to user
The probe control signals for the probe are generated, and the probe control signals are transmitted to the winch；The winch root
Sending and receiving for the promoter probe ultrasonic wave is controlled according to the probe control signals, and controls the probe in the underground
Action in stake holes；The probe extend into underground pile hole, is lifted under the control of the winch and launches ultrasonic wave, its
In, ultrasonic wave runs into hole wall back reflection, and the probe further receives the ultrasonic wave being reflected back by hole wall, and the probe is further
According to the launch time of the ultrasonic wave detected, the transmitting-receiving time difference of reception Time Calculation ultrasonic wave, and according to the ultrasonic wave
The transmitting-receiving time difference control itself at the uniform velocity to be rotated, wherein, the probe carries out lifting and spinning movement to detect the stake
Whole hole walls in hole, the probe detects the spread speed and echo strength of the ultrasonic wave, calculates stake holes data, and will be described
Stake holes data are sent to the winch by the composite cable, are further sent to institute by the Ethernet by the winch
Measurement ＆control computer is stated, wherein, the probe includes：Cable connector, the cable connector is connected to row's cable machine by composite cable
Structure, to be lifted according to the folding and unfolding of the composite cable control probe；Data acquisition unit, data acquisition unit is connected to described
Cable connector, for receiving the probe control signals transmitted by the composite cable by the cable connector, and according to described
Control signal sends ultrasonic wave transmitter trigger signal, ultrasonic wave and receives enabling signal, and the ultrasonic wave in stake holes data
The transmitting-receiving time difference send motor drive signal；Signal amplifier, the signal amplifier is connected with the data acquisition unit, uses
Processing is amplified in receiving enabling signal to the ultrasonic wave transmitter trigger signal, ultrasonic wave；Electric machine controller, the motor
Controller is connected to the data acquisition unit, for being worked according to the motor drive signal Driving Stepping Motor；Ultrasound emission
Transducer and ultrasonic reception transducer, the ultrasound emission transducer and ultrasonic reception transducer with the signal amplifier and
The stepper motor is connected, wherein, the ultrasound emission transducer is after the ultrasonic wave transmitter trigger signal after receiving amplification
Start, and worked under the driving of the stepper motor, the ultrasound emission transducer launches ultrasonic signal, the ultrasound connects
Receive transducer after the ultrasonic wave after receiving amplification receives enabling signal to start, and carried out under the driving of the stepper motor
At the uniform velocity rotate, the ultrasonic reception transducer receives the ultrasonic return signal being reflected back by hole wall；Signal conditioner, the letter
Number conditioner is connected with the ultrasonic reception transducer, for the ultrasonic return signal to be carried out into analog-to-digital conversion, generation pair
The ultrasonic digital signal answered, and the ultrasonic digital signal is sent to the data acquisition unit, the data acquisition unit
According to being calculated transmitting-receiving time difference, spread speed and the echo strength that the ultrasonic digital signal resolution goes out the ultrasonic wave
Stake holes data.The three-dimensional panoramic image and/or two dimension that the Measurement ＆control computer draws the stake holes according to the stake holes data are flat
Face image.
In one embodiment of the invention, the winch includes：Depth controller, the depth controller is surveyed with described
Control computer and two-way communication, probe control signals and the probe for receiving the Measurement ＆control computer are carried out by Ethernet
Stake holes data, according to the probe control signals generate frequency change control signal；Frequency converter, the frequency converter and the depth control
Device processed is connected, the frequency change control signal for receiving the depth controller, and generates motor according to the frequency change control signal
Drive signal；Motor, the motor is connected with the frequency converter, for being worked under the driving of the motor drive signal；Row
Cable mechanism, under the driving of the motor, controlling the folding and unfolding of the composite cable；Encoder, for detecting row's cable
The travel distance of mechanism, and feed back to the depth controller.
In one embodiment of the invention, the data acquisition unit calculates the stake holes data and included：The data are adopted
Storage is according to the transmitting-receiving time difference of the ultrasonic wave, the distance of the spread speed calculating probe to hole wall；The data acquisition
Device changes according to the echo strength of the ultrasonic wave, judges the material of the hole wall.
In yet another embodiment of the present invention, when the probe stays in a constant depth of the stake holes and is located at
During the circle centre position of the stake holes, if described pop one's head at the uniform velocity rotates a circle and is carried out continuously the transmitting and reception of ultrasonic wave, institute
The stake holes profile and material for stating the circle that data acquisition unit goes out at the constant depth according to the stake holes Data Detection received change.
In yet another embodiment of the present invention, when the travel depth for controlling the probe is continuously adjusted, then institute
State stake holes profile and material change that data acquisition unit goes out continuous depth according to the stake holes Data Detection received；When control institute
Probe is stated while when carrying out horizontal rotation and continuance lifting, then the data acquisition unit goes out according to the stake holes Data Detection received
The spiral contour shape of the stake holes borehole wall and material change.
In one embodiment of the invention, the composite cable includes：Signal wire, for realizing the winch and described
The two-way communication of probe；Power line, for providing working power to the probe；Reinforcement, for realizing the winch to institute
State the reinforcement connection of probe.
In one embodiment of the invention, the Measurement ＆control computer is additionally operable to calculate the stake according to the stake holes data
Perpendicularity, aperture and the volume in hole.
In yet another embodiment of the present invention, the probe is cylinder shape assembly, using 360 degree of rotated detection modes.
The underground pile hole hole wall detector of 360 degree of three-dimensional imagings according to embodiments of the present invention, employs 360 degree of rotation spies
Survey mode, more rich side wall information can be obtained than traditional fixation detection mode, can detect that current instrument can not be detected
To side wall on tiny hole and crack.On acoustic model, the present invention passes through the polynary battle array ultrasound emission transducer of microminiature
With ultrasonic reception transducer, fast signal can be carried out simultaneously and sent and received, set up what the transmitting of a money was received with frequency displacement
Novel work pattern, makes the signal to noise ratio of reception signal be greatly enhanced.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structure chart of the underground pile hole hole wall detector of 360 degree of three-dimensional imagings according to the embodiment of the present invention；
Fig. 2 is the schematic diagram stretched into according to the probe of the embodiment of the present invention inside stake holes；
Fig. 3 is the structured flowchart of the winch and probe according to the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
As shown in figure 1, the underground pile hole hole wall detector of 360 degree of three-dimensional imagings of the embodiment of the present invention, including：Observing and controlling meter
Calculation machine 1, winch 2 and probe 3.Wherein, Measurement ＆control computer 1 is connected by Ethernet with winch 2, and winch 2 is further by compound
Cable is connected with probe 3, thus, and winch can realize the data communication with Measurement ＆control computer 1 and probe 3.
Specifically, the information that Measurement ＆control computer 1 can be inputted according to user generates the probe control signals for probe 3,
And the probe control signals are transmitted to winch 2.
Measurement ＆control computer 1 can be host computer, Measurement ＆control computer 1 be provided with man-machine operation and control interface, user can pass through
The running parameter and control command of man-machine operation and control interface input winch 2 and probe 3.Measurement ＆control computer 1 can be according to above-mentioned work
Parameter and control command generation pass through ether to the configuration order and the probe control signals for probe 3 of winch 2 and probe 3
Net is sent to winch 2.
Winch 2 is configured according to above-mentioned configuration order and completed, and controls probe 3 to start ultrasonic wave according to probe control signals
Send and receive, and control 3 action in underground pile hole of popping one's head in.
As shown in figure 3, winch 2 includes：Depth controller 21, frequency converter 22, motor 23, cable sector 24, encoder 25
With control box 26.
Specifically, depth controller 21 carries out two-way communication with Measurement ＆control computer 1 by Ethernet, realizes and is calculated with observing and controlling
The real-time Data Transmission each other of machine 1.Depth controller 21 receives the configuration order and head control letter of Measurement ＆control computer 1
Number, frequency change control signal is generated according to probe control signals, and stake holes data are sent to Measurement ＆control computer 1.
Frequency converter 22 is connected with depth controller 21 and control box 26, receives the frequency change control signal life of depth controller 21
Into motor drive signal.Specifically, frequency converter 22 exports arteries and veins under the control signal and frequency change control signal that control box 26 is sent
The voltage of wide modulation waveform, produces the sinusoidal current of different frequency, i.e. motor drive signal, with the rotating speed of controlled motor 23.Electricity
Machine 23 is connected with frequency converter 22, is worked under the driving of the motor drive signal of frequency converter 22.Cable sector 24 and the phase of motor 23
Even, under the driving of motor 23, the folding and unfolding of composite cable is controlled.Wherein, composite cable can be wrapped on cable sector 24, multiple
The one end for closing cable is connected on probe 3.It is attached between winch 2 and probe 3 by composite cable.
In one embodiment of the invention, composite cable includes：Signal wire, power line and reinforcement.Wherein, signal wire
Two-way communication for realizing winch 2 and probe 3.Power line is used to provide working power to probe 3.Reinforcement, which is used to realize, to be twisted
The reinforcement connection of 2 pairs of probes 3 of car.
Further, encoder 25 is connected with depth controller 21, detects the travel distance of cable sector 24, and feeds back to depth
Spend controller 21.
Probe 3 extend into underground pile hole, is lifted under the control of winch 2 and launches ultrasonic wave.Wherein, ultrasonic wave is met
To hole wall back reflection.Probe 3 further receives the ultrasonic wave that meeting is reflected by hole wall, during according to the transmitting of the ultrasonic wave detected
Between, receive Time Calculation ultrasonic wave the transmitting-receiving time difference.Probe 3 is at the uniform velocity revolved according to the transmitting-receiving time control itself of ultrasonic wave
Turn.
It should be noted that probe 3 performs lifting action under the control of winch 2 first, a certain level altitude is being reached
Afterwards, then spinning movement is performed, completes 360 rotated detections under the level altitude.Then, probe 3 carries out performing lifting action row
Proceed to another level altitude and carry out spinning movement, the Zone Full of stake holes hole wall can be covered by that analogy, realize to stake holes
The detection of whole hole walls.
Probe 3 detects the spread speed and echo strength of ultrasonic waves, calculates stake holes data, and stake holes data is passed through compound
Cable is sent to the depth controller 21 of winch 2, is further sent to observing and controlling by Ethernet by the depth controller 21 of winch 2
Computer 1.Measurement ＆control computer 1 is according to the three-dimensional panoramic image and/or 2-d plane graph of stake holes data receipt stake holes.
With reference to Fig. 3, probe 3 includes：Cable connector 31, data acquisition unit 32, signal amplifier 33, electric machine controller 34,
Stepper motor 35, ultrasound emission transducer 36, ultrasonic reception transducer 37 and signal conditioner 38.
Fig. 2 is the schematic diagram stretched into according to the probe of the embodiment of the present invention inside stake holes.From figure 2 it can be seen that probe 3
For a cylinder shape assembly, hole wall is detected using 360 degree of rotated detection modes.Probe 3 can be according to horizontally and vertically
Moved on two dimension directions, i.e., probe can rotate in the horizontal direction, in the vertical direction lifting.
Specifically, cable connector 31 is connected to cable sector 24 by composite cable, so as to according to cable sector 24
The folding and unfolding of composite cable is controlled, the purpose for controlling the probe lifting is reached.Data acquisition unit 32 is connected to cable connector 31, can
To receive the probe control signals transmitted by composite cable by cable connector 31, and according to probe control signals, according to setting
Mode of operation send ultrasonic wave transmitter trigger signal, ultrasonic wave receive enabling signal.
Signal amplifier 33 is connected with data acquisition unit 32, for ultrasonic wave transmitter trigger signal, ultrasonic wave to be received and opened
Dynamic signal is amplified processing.
Ultrasound emission transducer 36 and ultrasonic reception transducer are connected with signal amplifier 33 and stepper motor 35.Ultrasound
Transmitting transducer 36 performs starting operation after the ultrasonic wave transmitter trigger signal after receiving amplification, launches ultrasonic signal.
Ultrasonic reception transducer 37 performs starting operation after the ultrasonic wave after receiving amplification receives enabling signal, receives
The ultrasonic return signal of meeting is reflected by stake holes hole wall.
Signal conditioner 38 is connected with ultrasonic reception transducer 37, and ultrasound return signals can be carried out to analog-to-digital conversion, raw
Sent into corresponding ultrasonic digital signal, and by ultrasonic digital signal to data acquisition unit 32.The basis of data acquisition unit 32
Transmitting-receiving time difference, spread speed and the echo strength that ultrasonic digital signal resolution goes out ultrasonic wave calculate stake holes data.Specifically,
Data acquisition unit 32 can accurately control the at the uniform velocity rotation of transducer according to the time difference of obtained ultrasonic wave, and by the stake measured
Hole data is real-time transmitted to the depth controller 21 of winch 2, is further sent by Ethernet by the depth controller 21 of winch 2
To Measurement ＆control computer 1.
Include specifically, data acquisition unit 32 calculates stake holes data：
(1) data acquisition unit 32 is according to the transmitting-receiving time difference of ultrasonic wave, the distance of spread speed calculating probe 3 to hole wall；
(2) data acquisition unit 32 changes according to the echo strength of ultrasonic wave, judges the material of hole wall.
Data acquisition unit 32 can send motor drive signal according to the transmitting-receiving time difference of the ultrasonic wave in stake holes data, should
The control information for controlling probe 3 at the uniform velocity to rotate is carried in motor drive signal.Electric machine controller 34 is connected to data and adopted
Storage 32, can work according to motor drive signal Driving Stepping Motor 35.Ultrasound emission transducer 36 and ultrasonic reception transducing
Device 37 is at the uniform velocity rotated under the driving of stepper motor 35, so as to complete to correspondence hole wall under the present level where probe 3
The detection in region.In one embodiment of the invention, when probe 3 stays in a constant depth of stake holes and positioned at stake holes
During circle centre position, if transmitting and reception that probe 3 at the uniform velocity rotated a circle and be carried out continuously ultrasonic wave, data acquisition unit 32 can be with
The stake holes profile for the circle that stake holes Data Detection according to receiving goes out at the constant depth and material change.
When the travel depth of control probe 3 is continuously adjusted, then data acquisition unit 32 can be according to the stake received
Hole data detects stake holes profile and the material change of continuous depth.
When control probe 3 carries out horizontal rotation and during continuance lifting simultaneously, then data acquisition unit 32 can be according to receiving
Stake holes Data Detection go out the spiral contour shape of the stake holes borehole wall and material change.
Measurement ＆control computer 1 receives the stake holes data sent by the depth controller 21 of winch 2, and the lifting of detection probe is deep
Degree, and three-dimensional panorama/two-dimensional image of real-time rendering stake holes, realize and the panorama of stake holes are detected.Wherein, Measurement ＆control computer
1 uses state-of-the-art single-chip microcomputer control program intelligent control measurement overall process, and employ 3 Dimension Image Technique and plus puppet at present
Colour technology, makes measurement result more directly perceived, and image is apparent.
Further, Measurement ＆control computer 1 can be also used for calculating perpendicularity, aperture and volume of stake holes etc. according to stake holes data
Attribute data, and can generate/print stake holes detection form.
The operation principle to the underground pile hole hole wall detector of 360 degree of three-dimensional imagings of the present invention is illustrated below：Will
Probe 3 is transferred to behind the stake holes bottom of injection mud, is started ultrasound emission transducer 36 and is launched ultrasonic wave, ultrasonic wave runs into stake holes
Wall back reflection, is received by ultrasonic reception transducer 37.Ultrasound return signals are sent to signal condition by ultrasonic reception transducer 37
Device 38, analog-to-digital conversion is carried out to it by signal conditioner, generates corresponding ultrasonic digital signal, and by ultrasonic digital signal
Send to data acquisition unit 32.Data acquisition unit 32 is by accurately detecting the transmitting of ultrasonic wave, the time difference being received, and according to ultrasound
Spread speed of the ripple in mud, it can be deduced that the distance of probe 3 to hole wall, changes further according to the echo strength of ultrasonic wave, can
To judge the material difference of hole wall, data processing is carried out by computer, you can the three-dimensional panoramic image of generation stake holes.
The underground pile hole hole wall detector of 360 degree of three-dimensional imagings according to embodiments of the present invention, employs 360 degree of rotation spies
Survey mode, more rich side wall information can be obtained than traditional fixation detection mode, can detect that current instrument can not be detected
To side wall on tiny hole and crack.On acoustic model, the present invention passes through the polynary battle array ultrasound emission transducer of microminiature
With ultrasonic reception transducer, fast signal can be carried out simultaneously and sent and received, set up what the transmitting of a money was received with frequency displacement
Novel work pattern, makes the signal to noise ratio of reception signal be greatly enhanced.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
Extremely equally limited by appended claims.
Claims (8)
1. a kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings, it is characterised in that including：Measurement ＆control computer, winch and
Probe, wherein, the Measurement ＆control computer is connected by Ethernet with the winch, and the winch is visited by composite cable with described
Head connection, wherein,
The Measurement ＆control computer is used for the probe control signals of the information generation that inputs according to user for the probe, and by institute
State probe control signals and be transmitted to the winch；
The winch controls sending and receiving for the promoter probe ultrasonic wave according to the probe control signals, and controls described
Action of the probe in the underground pile hole；
The probe extend into underground pile hole, is lifted under the control of the winch and launches ultrasonic wave, wherein, ultrasonic wave
Hole wall back reflection is run into, the probe further receives the ultrasonic wave being reflected back by hole wall, and the probe is super according to what is detected
The launch time of sound wave, the transmitting-receiving time difference for receiving Time Calculation ultrasonic wave, and controlled according to the transmitting-receiving time difference of the ultrasonic wave
System itself is at the uniform velocity rotated, wherein, the probe carries out lifting and spinning movement to detect whole hole walls of the stake holes, institute
The spread speed and echo strength of the probe detection ultrasonic wave are stated, stake holes data are calculated, and the stake holes data are passed through into institute
State composite cable to send to the winch, further sent to the Measurement ＆control computer by the Ethernet by the winch；
The probe includes：Cable connector, the cable connector is connected to cable sector by composite cable, with according to described
The folding and unfolding control probe lifting of composite cable；
Data acquisition unit, data acquisition unit is connected to the cable connector, for being received by the cable connector by described multiple
The probe control signals of cable transmission are closed, and ultrasonic wave transmitter trigger signal, ultrasonic wave are sent according to the control signal and are received
Enabling signal, and the transmitting-receiving time difference of the ultrasonic wave in stake holes data send motor drive signal；
Signal amplifier, the signal amplifier is connected with the data acquisition unit, for believing the ultrasonic wave transmitter trigger
Number, ultrasonic wave receive enabling signal be amplified processing；
Electric machine controller, the electric machine controller is connected to the data acquisition unit, for being driven according to the motor drive signal
Dynamic stepper motor work；
Ultrasound emission transducer and ultrasonic reception transducer, the ultrasound emission transducer and ultrasonic reception transducer with it is described
Signal amplifier is connected with the stepper motor, wherein, ultrasonic wave hair of the ultrasound emission transducer after amplification is received
Penetrate after enabling signal and start, and at the uniform velocity rotated under the driving of the stepper motor, the ultrasound emission transducer transmitting
Ultrasonic signal, the ultrasonic reception transducer starts after the ultrasonic wave after receiving amplification receives enabling signal, and in institute
Worked under the driving for stating stepper motor, the ultrasonic reception transducer receives the ultrasonic return signal being reflected back by hole wall；
Signal conditioner, the signal conditioner is connected with the ultrasonic reception transducer, believes for the ultrasonic wave to be returned
Number analog-to-digital conversion is carried out, generate corresponding ultrasonic digital signal, and the ultrasonic digital signal is sent to the data
Collector, the data acquisition unit goes out the transmitting-receiving time difference of the ultrasonic wave according to the ultrasonic digital signal resolution, propagated
Speed and echo strength calculate the stake holes data；
The Measurement ＆control computer draws the three-dimensional panoramic image and/or 2 d plane picture of the stake holes according to the stake holes data
Picture.
2. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 1, it is characterised in that the winch
Including：
Depth controller, the depth controller carries out two-way communication with the Measurement ＆control computer by Ethernet, for receiving
The stake holes data of the probe control signals of the Measurement ＆control computer and the probe, frequency conversion is generated according to the probe control signals
Control signal；
Frequency converter, the frequency converter is connected with the depth controller, and the VFC for receiving the depth controller is believed
Number, and motor drive signal is generated according to the frequency change control signal；
Motor, the motor is connected with the frequency converter, for being worked under the driving of the motor drive signal；
Cable sector, under the driving of the motor, controlling the folding and unfolding of the composite cable；
Encoder, for detecting the travel distance of the cable sector, and feeds back to the depth controller.
3. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 1, it is characterised in that the data
Collector, which calculates the stake holes data, to be included：
The data acquisition unit according to the ultrasonic wave transmitting-receiving the time difference, spread speed calculate it is described probe to hole wall away from
From；
The data acquisition unit changes according to the echo strength of the ultrasonic wave, judges the material of the hole wall.
4. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 3, it is characterised in that visited when described
When head stays in a constant depth of the stake holes and the circle centre position positioned at the stake holes, if the probe at the uniform velocity rotates one
Week and the transmitting and reception of ultrasonic wave are carried out continuously, then to go out this according to the stake holes Data Detection received solid for the data acquisition unit
Determine stake holes profile and the material change of a circle of depth.
5. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 4, it is characterised in that when control institute
When the travel depth for stating probe is continuously adjusted, then the data acquisition unit goes out continuously according to the stake holes Data Detection received
Stake holes profile and the material change of depth；
When controlling the probe to carry out horizontal rotation and continuance lifting simultaneously, then the data acquisition unit is according to the stake received
Hole data detects the spiral contour shape of the stake holes borehole wall and material change.
6. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 1, it is characterised in that described compound
Cable includes：
Signal wire, the two-way communication for realizing the winch and the probe；
Power line, for providing working power to the probe；
Reinforcement, for realizing that reinforcement of the winch to the probe is connected.
7. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 1, it is characterised in that the observing and controlling
Computer is additionally operable to calculate perpendicularity, aperture and the volume of the stake holes according to the stake holes data.
8. the underground pile hole hole wall detector of 360 degree of three-dimensional imagings as claimed in claim 1, it is characterised in that the probe
For cylinder shape assembly, using 360 degree of rotated detection modes.
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| CN201510153438.8A CN104727358B (en) | 2015-04-02 | 2015-04-02 | A kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings |
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| CN201510153438.8A CN104727358B (en) | 2015-04-02 | 2015-04-02 | A kind of underground pile hole hole wall detector of 360 degree of three-dimensional imagings |
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|---|---|---|---|---|
| CN106321083A (en) * | 2015-07-02 | 2017-01-11 | 中石化石油工程技术服务有限公司 | Full-hole scanning dipole acoustic array sonic system |
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| JP4092801B2 (en) * | 1998-12-18 | 2008-05-28 | 小野田ケミコ株式会社 | Pile head management device for joint pile type granular material pile |
| CN201031399Y (en) * | 2007-05-29 | 2008-03-05 | 武汉新迪安商贸有限公司 | Thermoplastic pile foundation ultrasonic wave detecting tube |
| CN202031113U (en) * | 2011-04-23 | 2011-11-09 | 金文洪 | Five-dimensional digital detection system for cast-in-place pile hole |
| CN103306318B (en) * | 2013-06-20 | 2017-03-15 | 三峡大学 | A kind of panoramic ultrasonic side wall detector |
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2015
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