CN208137930U - Acoustic detection device in a kind of earth-boring - Google Patents
Acoustic detection device in a kind of earth-boring Download PDFInfo
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- CN208137930U CN208137930U CN201820642689.1U CN201820642689U CN208137930U CN 208137930 U CN208137930 U CN 208137930U CN 201820642689 U CN201820642689 U CN 201820642689U CN 208137930 U CN208137930 U CN 208137930U
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- cylinder bottom
- earth
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Abstract
The utility model discloses acoustic detection devices in a kind of earth-boring.It includes the detection sleeve erected,The upper port of detection sleeve is fixed with vertical connecting tube,Connecting tube is equipped with air inlet pipe,The upper port of connecting tube is equipped with the cylinder bottom plate sealed to it,Cylinder bottom plate is equipped with cylinder,The cylinder top plate parallel with cylinder bottom plate is connected by power on the output shaft of cylinder,It further include the clamp above cylinder top plate,Wirerope is clamped in the tong chops of clamp,Wirerope sequentially passes through cylinder top plate,Cylinder bottom plate simultaneously protrudes into connecting tube,Energy-storaging spring corresponding with frequency of sound wave is equipped between oscillating plate and cylinder bottom plate,Detect the lower port sealing of sleeve,The side wall for detecting sleeve is equipped with opening,Opening is equipped with the overlay film that can be bloated,It detects and water is housed in sleeve,The detection box of floating is equipped in water,The vibration probe that can incude vertical motion is equipped in detection box,It further include the signal sampler being connect with vibration probe electric wire.
Description
Technical field
The utility model belongs to engineering geology acoustic detection equipment technical field, is related to acoustic detection in a kind of earth-boring
Device.
Background technique
According to the size of vibration frequency, vibration wave employed in engineering geology detection can be divided into seismic wave, sound wave, ultrasound
Wave, the frequency of seismic wave are generally several hertz (Hz)-tens hertz, and the frequency of sound wave is generally several hundred hertz, the frequency of ultrasonic wave
Rate is generally tens kHz (kHz) or more.Compared with seismic wave detection, acoustic detection has higher detection accuracy, with ultrasound
Wave detection is compared, although acoustic detection precision is lower, with the remote advantage of detection range.Engineering geology vibration wave detects at present
In, mainly using seismic wave detection and ultrasonic listening, the main applicable shallow surface of seismic wave detection, also known as shallow-layer
Seismic survey, ultrasonic listening are primarily adapted for use in lithostratigraphy.Seismic wave detection can use weight due to being carried out in earth's surface
Probe can be put into geotechnical boring by the mode for hitting plate or small-sized explosive in earth's surface excited vibrational, ultrasonic listening, be used
The piezoelectric property of material in popping one's head in generates and receives ultrasonic wave.
Since space is limited in drilling, in addition the frequency requirement of sound wave does not meet sound in several hundred hertzs at present
Acoustic detection device in the drilling of frequency range needed for wave detects.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, acoustic detection dress in a kind of earth-boring is provided
It sets.
What the purpose of this utility model was realized in：A kind of acoustic detection device in earth-boring, which is characterized in that packet
The detection sleeve erected is included, the upper port for detecting sleeve is fixed with vertical connecting tube, and connecting tube is equipped with air inlet pipe, connecting tube
Upper port be equipped with the cylinder bottom plate that seals to it, cylinder bottom plate is equipped with cylinder, be connected by power on the output shaft of cylinder with
The parallel cylinder top plate of cylinder bottom plate, further includes the clamp above cylinder top plate, and a tong arm of clamp is equipped with absorption
The electromagnet of another tong arm, the tong chops of the clamp and cylinder top plate clearance fit are clamped with steel in the tong chops of clamp
Cord, wirerope sequentially pass through cylinder top plate, cylinder bottom plate and protrude into connecting tube, and the wirerope protrudes into one end of connecting tube
It is fixedly connected with the oscillating plate being equipped in connecting tube, storage corresponding with frequency of sound wave is equipped between the oscillating plate and cylinder bottom plate
Energy spring, the lower port sealing of the detection sleeve, the side wall for detecting sleeve are equipped with opening, and opening is covered equipped with what can be bloated
Film, the overlay film, detection sleeve, the gentle cylinder bottom plate of connecting tube enclose a confined space, water are housed in the detection sleeve,
It is equipped with the detection box of floating in water, detects the vibration probe for being equipped in box and can incuding vertical motion, further includes being visited with the vibration
The signal sampler of head electric wire connection.
Preferably, the wirerope is protruded into be equipped between one end of connecting tube and cylinder bottom plate and be held one's breath for the activity of sealing
Circle.
Preferably, the oscillating plate is parallel with cylinder bottom plate.
Preferably, the overlay film is latex film.
Preferably, the quantity of the cylinder is four, and four air cylinder annulars are arranged on cylinder bottom plate.
Preferably, the output shaft of the cylinder is multi-diameter shaft, and the cylinder top plate is equipped with the path with cylinder output shaft
The corresponding location hole of section.
Preferably, the wirerope is clamped in the tong chops of clamp by a retainer clip.
Preferably, the retainer clip is made of brass.
By adopting the above-described technical solution, the utility model has the advantages that：The utility model earth-boring
The vertical motion of oscillating plate is changed into overlay film to the transverse-vibration of the wall of a borehole using the Incoercibility of water by interior acoustic detection device
It is dynamic, when detecting anomalous geologic body, one several hundred hertz of vibration is acted on the wall of a borehole by the utility model, vibrates to fluctuate
Form is propagated into formation testing, when sound wave encounters anomalous geologic body (in the big erratic boulder, completely decomposed stratum in such as sand-pebble layer
Hard boulder etc.) when, the back wave of generation is passed back, the vibration signal of water is incuded by vibration probe, and the signal is sent out
It is sent to signal sampler, the position of anomalous geologic body can be determined according to time difference and velocity of wave, what it is due to generation is sound wave,
Under the premise of guaranteeing certain detection accuracy, detection range is greatly improved than ultrasonic listening distance.
Detailed description of the invention
Fig. 1 is the elevational schematic view of the utility model；
Fig. 2 is the horizontal sectional view that sleeve is detected in the utility model；
Fig. 3 is the position view figure of cylinder bottom plate and cylinder in the utility model；
Fig. 4 is the schematic diagram of cylinder top plate in the utility model；
Fig. 5 the utility model detect when and the wall of a borehole position view.
Appended drawing reference
In attached drawing, 1 is detection sleeve, and 2 be overlay film, and 3 be water, and 4 be vibration probe, and 5 be detection box, and 6 lead for vibration probe
Line, 7 be cylinder bottom plate, and 8 be connecting tube, and 9 be energy-storaging spring, and 10 be oscillating plate, and 11 be air inlet pipe, and 12 be cylinder, and 13 be cylinder
Air inlet, 14 be cylinder top plate, and 15 be clamp, and 16 be screw, and 17 be electromagnet, and 18 be electromagnet supply lines, and 19 be wirerope,
20 be retainer clip, and 21 hold one's breath circle for activity, 22 the wall of a boreholes.
Specific embodiment
The embodiments of the present invention are described in further detail with reference to the accompanying drawing.
Referring to Fig. 1-Fig. 5, a kind of embodiment of acoustic detection device in earth-boring is visited including the detection sleeve 1 erected
The upper port for surveying sleeve 1 is fixed with vertical connecting tube 8, and connecting tube 8 is equipped with air inlet pipe 11, and the upper port of connecting tube 8 is equipped with
The cylinder bottom plate 7 sealed to it, cylinder bottom plate 7 are equipped with cylinder 12, have been connected by power and cylinder bottom on the output shaft of cylinder 12
The parallel cylinder top plate 14 of plate 7 further includes the clamp 15 positioned at 14 top of cylinder top plate, and a tong arm of clamp 15, which is equipped with, to be inhaled
The electromagnet 17 of another attached tong arm, in the present embodiment, electromagnet 17 is fixed on a tong arm of clamp 15 by screw 16,
The tong chops of clamp 15 and 14 clearance fit of cylinder top plate, are clamped with wirerope 19 in the tong chops of clamp 15, wirerope 19 according to
Secondary to pass through cylinder top plate 14, cylinder bottom plate 7 and protrude into connecting tube 11, wirerope 19 protrudes into one end and the connecting tube of connecting tube 11
The oscillating plate 10 being equipped in 11 is fixedly connected, and accumulation of energy bullet corresponding with frequency of sound wave is equipped between oscillating plate 10 and cylinder bottom plate 7
Spring 9, the lower port sealing of detection sleeve 1, the side wall of detection sleeve 1 are equipped with opening, and opening is equipped with the overlay film 2 that can be bloated, covers
Film 2, detection sleeve 1, the gentle cylinder bottom plate 7 of connecting tube 8 enclose a confined space, detect and water 3 is housed in sleeve 1, set in water 3
There is the detection box 5 of floating, detect the vibration probe 4 for being equipped in box 5 and can incuding the vibration of water 3, further includes connecting with 4 electric wire of vibration probe
The signal sampler (not shown) connect.In the present embodiment, vibration probe 4 passes through the signal acquisition of vibration probe conducting wire 6 and earth's surface
The connection of instrument electric wire.
Preferably, wirerope 19 is protruded into be equipped between one end of connecting tube 11 and cylinder bottom plate 7 and be closed for the activity of sealing
Air ring 21.
Preferably, oscillating plate 10 is parallel with cylinder bottom plate 7.
Preferably, overlay film 2 is latex film.
Preferably, the quantity of cylinder 12 is four, and four 12 annulars of cylinder are arranged on cylinder bottom plate 7.
Preferably, the output shaft of cylinder 12 is multi-diameter shaft, and cylinder top plate 14 is equipped with the path section with 12 output shaft of cylinder
Corresponding location hole.
Preferably, wirerope 19 is clamped in the tong chops of clamp 15 by a retainer clip 20.
Preferably, retainer clip 20 is made of brass.The coefficient of friction of retainer clip 20 is increased, is conducive to clamp.
The detection method of acoustic detection device, includes the following steps in above-mentioned earth-boring：
Acoustic detection device in earth-boring is placed in drilling by the first step using rope；
Second step passes through the air inlet pipe 11 in connecting tube 8 to overlay film 2, detection sleeve 1, connecting tube 8 using earth's surface inflator pump
The confined space inflation that gentle cylinder bottom plate 7 encloses, bloats overlay film 2 and attaches the wall of a borehole 22；
Third step is inflated to cylinder 12 by cylinder air inlet 13, moves up cylinder top plate 14, clamp 15, clamp
15 pull oscillating plate 10 come compress energy storage spring 9 by wirerope 19；
The supply lines 18 of electromagnet is disconnected with surface power source and being powered off come the electromagnet 17 to clamp 15, makes steel by the 4th step
Cord 19 is detached from the tong chops of clamp 15, and energy-storaging spring 9 drives oscillating plate 10 to move downward, the sky of 10 lower section of compressional vibration plate
Gas, and water 3 and detection box 5 are pushed, so that overlay film 2 is generated transverse shear stress to the wall of a borehole 22, when energy-storaging spring 9 is sprung back upwards, overlay film 2
Become smaller to the transverse shear stress of the wall of a borehole 22, the wall of a borehole 22 is sprung back to drilling, in this way, energy-storaging spring 9, oscillating plate 10 and vibration probe
4 vertical motions, and its vertical motion signal is sent signal acquisition by 22 oscillation crosswise of overlay film 2 and the wall of a borehole, vibration probe 4
Instrument, meanwhile, the oscillation crosswise of the wall of a borehole 22 is propagated by the frequency of sound wave, in the form of compressional wave into stratum, is encountered singularly
When plastid (the hard boulder in big erratic boulder, completely decomposed stratum in such as sand-pebble layer), back wave is generated, passes drilling back
Wall 22 causes the lateral catastrophic vibration of the wall of a borehole 22, which reaches detection box 5 by overlay film 2, water 3, and then causes to vibrate
The vertical catastrophic vibration of probe 4, its vertical catastrophic vibration signal is sent signal sampler by vibration probe 4, in signal acquisition
Instrument, which receives in vibration signal curve, there is abnormal point, the time difference is calculated according to the position often put is led, according to time difference and wave
Speed determines the position of anomalous geologic body.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (8)
1. acoustic detection device in a kind of earth-boring, which is characterized in that including the detection sleeve erected, detect the upper end of sleeve
Mouth is fixed with vertical connecting tube, and connecting tube is equipped with air inlet pipe, and the upper port of connecting tube is equipped with the cylinder bottom plate sealed to it,
Cylinder bottom plate is equipped with cylinder, is connected by power the cylinder top plate parallel with cylinder bottom plate on the output shaft of cylinder, further includes position
Clamp above cylinder top plate, a tong arm of clamp are equipped with the electromagnet for adsorbing another tong arm, the folder of the clamp
Jaw and cylinder top plate clearance fit are clamped with wirerope in the tong chops of clamp, and wirerope sequentially passes through cylinder top plate, cylinder
Bottom plate simultaneously protrudes into connecting tube, and the wirerope protrudes into the oscillating plate being equipped in one end and connecting tube of connecting tube and is fixedly connected,
Energy-storaging spring corresponding with frequency of sound wave is equipped between the oscillating plate and cylinder bottom plate, the lower port of the detection sleeve is close
Envelope, the side wall for detecting sleeve are equipped with opening, and opening is equipped with the overlay film that can be bloated, and the overlay film, detection sleeve, connecting tube are gentle
Cylinder bottom plate encloses a confined space, and water is housed in the detection sleeve, the detection box of floating is equipped in water, detects and sets in box
There is the vibration probe that can incude vertical motion, further includes the signal sampler being connect with the vibration probe electric wire.
2. acoustic detection device in earth-boring according to claim 1, which is characterized in that the wirerope protrudes into connection
It is equipped between one end and cylinder bottom plate of pipe and holds one's breath circle for the activity of sealing.
3. acoustic detection device in earth-boring according to claim 1, which is characterized in that the oscillating plate and cylinder bottom
Plate is parallel.
4. acoustic detection device in earth-boring according to claim 1, which is characterized in that the overlay film is latex film.
5. acoustic detection device in earth-boring according to claim 1, which is characterized in that the quantity of the cylinder is four
A, four air cylinder annulars are arranged on cylinder bottom plate.
6. acoustic detection device in earth-boring according to claim 1, which is characterized in that the output shaft of the cylinder is
Multi-diameter shaft, the cylinder top plate are equipped with location hole corresponding with the path section of cylinder output shaft.
7. acoustic detection device in earth-boring according to claim 1, which is characterized in that the wirerope passes through a steel
Cord grips are in the tong chops of clamp.
8. acoustic detection device in earth-boring according to claim 7, which is characterized in that the retainer clip is by Huang
Copper at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642689.1U CN208137930U (en) | 2018-05-02 | 2018-05-02 | Acoustic detection device in a kind of earth-boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642689.1U CN208137930U (en) | 2018-05-02 | 2018-05-02 | Acoustic detection device in a kind of earth-boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208137930U true CN208137930U (en) | 2018-11-23 |
Family
ID=64311921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642689.1U Expired - Fee Related CN208137930U (en) | 2018-05-02 | 2018-05-02 | Acoustic detection device in a kind of earth-boring |
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| CN (1) | CN208137930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301820A (en) * | 2018-05-02 | 2018-07-20 | 重庆科技学院 | Acoustic detection device and its detection method in a kind of earth-boring |
| CN113804281A (en) * | 2021-08-03 | 2021-12-17 | 西安理工大学 | Sound wave vibration measuring device based on F-P optical fiber Fabry-Perot sensing principle |
-
2018
- 2018-05-02 CN CN201820642689.1U patent/CN208137930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301820A (en) * | 2018-05-02 | 2018-07-20 | 重庆科技学院 | Acoustic detection device and its detection method in a kind of earth-boring |
| CN113804281A (en) * | 2021-08-03 | 2021-12-17 | 西安理工大学 | Sound wave vibration measuring device based on F-P optical fiber Fabry-Perot sensing principle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200502 |
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| CF01 | Termination of patent right due to non-payment of annual fee |