CN220105307U - Tube wave detection equipment of karst area foundation pile - Google Patents
Tube wave detection equipment of karst area foundation pile Download PDFInfo
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- CN220105307U CN220105307U CN202321096650.1U CN202321096650U CN220105307U CN 220105307 U CN220105307 U CN 220105307U CN 202321096650 U CN202321096650 U CN 202321096650U CN 220105307 U CN220105307 U CN 220105307U
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- wave detection
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- groove
- backup pad
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
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- 230000001681 protective effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000011835 investigation Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model relates to the technical field of pipe wave detection, and discloses pipe wave detection equipment for foundation piles in karst areas, which comprises a supporting plate and a push rod, wherein the top of the supporting plate is provided with a mounting groove, positioning grooves for mounting are formed in two sides of the outer surface of the supporting plate, the bottom of each positioning groove is fixedly connected with a buffering compression spring, the inner wall of each mounting groove is clamped with a detectable detector, one side of the supporting plate is provided with a clamping groove capable of assisting in fixing, the inner wall of each clamping groove is clamped with a storage battery capable of supplying power, and the outer surface of each push rod is sleeved with a supportable positioning sleeve. The pipe wave detection equipment of the foundation pile in the karst area can enable the detector to be close to the ground through the cooperation setting of the supporting plate and the detector, so that when the device moves, the underground cave and the weak interlayer can be directly detected, and a worker can directly push the device to move, so that the physical strength of the worker can be saved, and the detection efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of pipe wave detection, in particular to pipe wave detection equipment for foundation piles in karst areas.
Background
In limestone areas, karst phenomenon develops, poor geologic bodies such as soil holes, karst holes and weak interlayers exist underground, according to the geotechnical engineering investigation standard, in the construction investigation stage, when large-diameter embedded piles are adopted, special pile foundation investigation is carried out on pile positions, investigation points are arranged one by one, the depth of investigation is not smaller than 3 times of the pile diameter below the pile bottom and not smaller than 5m, karst development is macroscopically regular, but in the local area of the pile position range, karst morphology, extension and distribution lack of rules, if the investigation is carried out in an advanced drilling mode of one pile and one hole, karst beside the leakage holes is often carried out, the design and construction are carried out according to the method, the phenomenon of half embedded rocks is often produced by one pile, moreover, the investigation is carried out by adopting one pile with multiple holes, the investigation cost is high, the construction period is long, the karst development condition of the whole pile position is difficult to be completely ascertained, and the pipe wave detection technology is used as an effective physical investigation method, in the aspect of determining the karst macro investigation, the investigation effect is superior to drilling, and therefore, the drilling result can be combined with each other in detail, and the advanced investigation result can be obtained.
The tube wave detection method is proposed by the geological geophysical prospecting engineering institute Li Xuewen in Guangdong province in 2003, the national utility model patent is filed in the same year, the tube wave detection method is used for detecting the wave impedance difference interface by analyzing the wave amplitude characteristics of the reflected tube wave, the development condition of a karst cave beside a hole or a weak interlayer is deduced by explaining the interface, the effective detection radius of the tube wave detection method is 1.0-2.0 m, the hole-beside cave with the resolution of more than 0.3m is realized, the vertical positioning error of the hole is less than 0.3m, and the tube wave detection method has very high detection precision.
The basic method of tube wave detection is that the transmitting transducer of the transmitter and the receiving transducer of the recorder are placed into the drilled hole with the hole liquid according to fixed intervals, the transmitter transmits pulse signals with the same main frequency at each detection position, the vibration generated by the transmitting transducer acts with the hole liquid to generate tube waves on the hole liquid and the hole wall, and the recorder synchronously records the vibration signals output by the receiving transducer. Meanwhile, the transmitting transducer and the receiving transducer are moved to change the detection position, so that vibration records of detection points with different depths, which are detected by the same main frequency, are arranged according to the depth to obtain time sections, the existence of cavities and weak interlayers and the top-bottom depths of the cavities and weak interlayers can be judged through analysis of the time sections, and the main frequency transmitted by a transmitter can be changed or the transmitting transducer can be replaced, so that the detection of the detection points with different depths is repeated to obtain a plurality of main frequency time sections of different pipe waves; or the main frequency time sections of the plurality of different pipe waves are obtained by a frequency spectrum analysis method, and the distances between the bad geologic bodies such as cavities, weak interlayers and the like and the center of the drilling hole can be judged according to the analysis of the time sections.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the defects in the prior art, the utility model provides a pipe wave detection device for foundation piles in karst areas, which solves the problems in the prior art that:
if the method of advanced drilling of one pile and one hole is adopted for investigation, karst beside the leakage hole is often left, the phenomenon of half rock embedding of the pile foundation is often caused by design and construction according to the method, and the method adopts one pile for investigation with multiple holes, so that the method has the advantages of high investigation cost and long construction period, and is difficult to completely find out the karst development condition of the whole pile position.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a tubular wave detection equipment of karst area foundation pile, has offered backup pad and push rod of mounting groove including the top, the constant head tank that can supply to install has all been offered to the both sides of backup pad surface, but the compression spring of constant head tank's bottom fixedly connected with buffering, the inner wall joint of mounting groove has detectable detector, but auxiliary fixation's draw-in groove has been offered to one side of backup pad, but the inner wall joint of draw-in groove has the battery that can supply the electricity, the locating sleeve that can support has been cup jointed to the surface of push rod, one side of locating sleeve is connected with rotatable locating frame through the pivot, the inside wall fixed mounting of locating frame has displayable display screen, but the opposite side fixed mounting at backup pad top has the light of illumination.
Optionally, the bottom fixedly connected with of compression spring can be installed the locating piece, one side of locating piece surface is connected with rotatable gyro wheel through the pivot.
Optionally, the bandage that can compress tightly is all fixedly connected with in both sides at backup pad top, the bottom of bandage compresses tightly the top of detecting the appearance.
Optionally, the guide way that can assist the slip is offered to the interior bottom wall of draw-in groove, the bottom fixedly connected with of battery with the guide piece of guide way looks adaptation.
Optionally, one side of backup pad top fixed mounting has the push rod that can conveniently promote, but the surface of push rod cup joints the skid-proof protective sheath.
Optionally, one side fixedly connected with of spacer sleeve can increase frictional force's antiskid circle, the inner wall of antiskid circle cup joints with one side of locating frame.
(III) beneficial effects
The utility model provides a pipe wave detection device for foundation piles in karst areas, which has the following beneficial effects:
1. the pipe wave detection equipment of the foundation pile in the karst area can enable the detector to be close to the ground through the cooperation setting of the supporting plate and the detector, so that when the device moves, the underground cave and the weak interlayer can be directly detected, and a worker can directly push the device to move, so that the physical strength of the worker can be saved, and the detection efficiency is improved.
2. This tubular wave detection equipment of karst area foundation pile through compression spring's setting, can be at the in-process that the device removed, buffers the device to reduce the influence that vibrations caused the detector, through the cooperation setting of locating frame and spacer sleeve, can directly install the display screen on the push rod, and can adjust the angle of display screen according to the user demand, consequently the staff need not to bow down, thereby lightens staff's burden.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the installation structure of the push rod of the present utility model;
FIG. 3 is a schematic view of the structure of the support plate of the present utility model;
fig. 4 is a schematic view of a display screen mounting structure according to the present utility model.
In the figure: 1. a support plate; 2. a mounting groove; 3. a positioning groove; 4. a compression spring; 5. a positioning block; 6. a roller; 7. a strap; 8. a detector; 9. a clamping groove; 10. a storage battery; 11. a guide groove; 12. a guide block; 13. a push rod; 14. a positioning sleeve; 15. an anti-slip ring; 16. a positioning frame; 17. a display screen; 18. an illuminating lamp.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a tubular wave detection equipment of karst area foundation pile, including the backup pad 1 and the push rod 13 of mounting groove 2 have been seted up at the top, the constant head tank 3 that can supply the installation has all been seted up to the both sides of backup pad 1 surface, but the compression spring 4 of buffering is fixedly connected with in the bottom of constant head tank 3, the bottom fixedly connected with of compression spring 4 supplies the locating piece 5 of installation, one side of locating piece 5 surface is connected with rotatable gyro wheel 6 through the pivot;
the positioning block 5 can be installed and positioned through the arrangement of the positioning groove 3, so that the compression spring 4 can be extruded in the moving process of the device, and the impact force can be counteracted by means of the elastic force of the compression spring 4, so that the influence of vibration on the detector 8 is reduced, the device can be pushed conveniently through the arrangement of the roller 6, the burden of a worker is reduced, and the worker can operate conveniently;
embodiment two:
the inner wall of the mounting groove 2 is clamped with a detectable detector 8, two sides of the top of the supporting plate 1 are fixedly connected with a compressible binding belt 7, the bottom of the binding belt 7 is compressed with the top of the detector 8, one side of the supporting plate 1 is provided with a clamping groove 9 which can be fixed in an auxiliary manner, the inner wall of the clamping groove 9 is clamped with a storage battery 10 which can be supplied with power, the inner bottom wall of the clamping groove 9 is provided with a guide groove 11 which can slide in an auxiliary manner, and the bottom of the storage battery 10 is fixedly connected with a guide block 12 which is matched with the guide groove 11;
the detector 8 can be pressed from the upper side through the arrangement of the binding belt 7, so that the stability of the detector 8 in the use process is ensured, meanwhile, the detector 8 is convenient to detach and maintain by workers, the storage battery 10 can be directly taken down to be replaced after being used regularly through the matching arrangement of the clamping groove 9 and the storage battery 10, the time wasted by charging is reduced, and the storage battery 10 can be replaced more conveniently through the matching arrangement of the guide groove 11 and the guide block 12;
embodiment III:
one side of the top of the supporting plate 1 is fixedly provided with a push rod 13 which can be conveniently pushed, the outer surface of the push rod 13 is sleeved with an anti-slip protective sleeve, the outer surface of the push rod 13 is sleeved with a supportable positioning sleeve 14, one side of the positioning sleeve 14 is fixedly connected with an anti-slip ring 15 which can increase friction force, the inner wall of the anti-slip ring 15 is sleeved with one side of a positioning frame 16, one side of the positioning sleeve 14 is connected with a rotatable positioning frame 16 through a rotating shaft, the inner side wall of the positioning frame 16 is fixedly provided with a displayable display screen 17, and the other side of the top of the supporting plate 1 is fixedly provided with an illuminable illuminating lamp 18;
the push rod 13 is arranged, so that a worker can push the device more conveniently, the working intensity of the worker is reduced, the push rod positioning sleeve 14 is arranged, the angle of the positioning frame 16 can be adjusted according to the use requirement of the worker, the force required by rotation of the positioning frame 16 can be increased through the arrangement of the anti-slip ring 15, the angle deflection caused by vibration is reduced, the detected data can be displayed directly through the arrangement of the display screen 17, the worker does not need to bend down to check, the practicability of the device is improved, and the illumination can be performed at a position with poor light through the arrangement of the illumination lamp 18;
the electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
In the utility model, the working steps of the device are as follows:
firstly, the detector 8 is clamped into the mounting groove 2, the detector can be fixed by using the binding belt 7, then the storage battery 10 is mounted, a worker can push the push rod 13 to move, and the positioning frame 16 is rotated according to the requirement of the worker, so that the detector is more suitable for the worker to observe.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pipe ripples detection equipment of karst area foundation pile, has seted up backup pad (1) and push rod (13) of mounting groove (2) including the top, its characterized in that: the utility model discloses a portable lighting device, including backup pad (1), fixed slot (3) that can supply to install are all offered to both sides of backup pad (1) surface, compression spring (4) that can cushion are fixedly connected with in the bottom of fixed slot (3), the inner wall joint of mounting groove (2) has detectable detector (8), draw-in groove (9) that can assist fixed are offered to one side of backup pad (1), the inner wall joint of draw-in groove (9) has battery (10) that can supply power, the positioning sleeve (14) that can support have been cup jointed to the surface of push rod (13), one side of positioning sleeve (14) is connected with rotatable locating frame (16) through the pivot, the inside wall fixed mounting of locating frame (16) has display screen (17) that can show, the opposite side fixed mounting at backup pad (1) top has illumination lamp (18).
2. A tubular wave detection apparatus for foundation piles in karst areas as claimed in claim 1, wherein: the bottom of the compression spring (4) is fixedly connected with a positioning block (5) which can be installed, and one side of the outer surface of the positioning block (5) is connected with a rotatable roller (6) through a rotating shaft.
3. A tubular wave detection apparatus for foundation piles in karst areas as claimed in claim 1, wherein: the two sides of the top of the supporting plate (1) are fixedly connected with a binding belt (7) which can be pressed, and the bottom of the binding belt (7) presses the top of the detector (8).
4. A tubular wave detection apparatus for foundation piles in karst areas as claimed in claim 1, wherein: the bottom of draw-in groove (9) is offered guide way (11) that can assist the slip, the bottom fixedly connected with of battery (10) is with guide block (12) of guide way (11) looks adaptation.
5. A tubular wave detection apparatus for foundation piles in karst areas as claimed in claim 1, wherein: one side of backup pad (1) top fixed mounting has push rod (13) that can conveniently promote, but the surface of push rod (13) cup joints the skid-proof protective sheath.
6. A tubular wave detection apparatus for foundation piles in karst areas as claimed in claim 1, wherein: one side of the locating sleeve (14) is fixedly connected with an anti-slip ring (15) capable of increasing friction force, and the inner wall of the anti-slip ring (15) is sleeved with one side of the locating frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096650.1U CN220105307U (en) | 2023-05-09 | 2023-05-09 | Tube wave detection equipment of karst area foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096650.1U CN220105307U (en) | 2023-05-09 | 2023-05-09 | Tube wave detection equipment of karst area foundation pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220105307U true CN220105307U (en) | 2023-11-28 |
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ID=88870646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096650.1U Active CN220105307U (en) | 2023-05-09 | 2023-05-09 | Tube wave detection equipment of karst area foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220105307U (en) |
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2023
- 2023-05-09 CN CN202321096650.1U patent/CN220105307U/en active Active
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