CN111025262A - Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof - Google Patents
Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof Download PDFInfo
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- CN111025262A CN111025262A CN201911242977.3A CN201911242977A CN111025262A CN 111025262 A CN111025262 A CN 111025262A CN 201911242977 A CN201911242977 A CN 201911242977A CN 111025262 A CN111025262 A CN 111025262A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 235000019994 cava Nutrition 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of measuring equipment and discloses equipment for detecting a karst cave in a rotary excavating pile by using a laser radar. This use laser radar to survey equipment of digging karst cave in stake soon and application method thereof, when the device reaches the hole bottom, slow hoisting device, closing equipment stops scanning, and laser radar sensor selects the sensor ripe on the market at present, and whole equipment technique is ripe, and maneuverability is strong, simple manufacture, and simple to operate is swift, fixes a position accurately, can provide accurate information, safe and reliable for solving the karst cave scheme.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to equipment for detecting a karst cave in a rotary excavating pile by using a laser radar and a using method thereof.
Background
In the construction of the engineering rotary excavating pile, aiming at a karst landform construction area, the landform is large in uneven fluctuation and complex in geological condition, the condition in the hole is grasped in time in the hole forming process, and the problems of karst cave, stone crack and the like are accurately judged and targeted treatment schemes and measures are made.
The technical scheme in the prior art is as follows: in the actual construction process, if a karst cave and a rock crack have a hole collapse risk, the manual hole descending is usually forbidden to collect the information of the karst cave in the hole. The common method is that a steel ruler is thrown at the hole edge, and the size of the karst cave is measured by a hand-operated electric meter, so that accurate information cannot be obtained
The prior art has the following disadvantages: the common method is that a steel ruler is thrown at the hole edge, and the size of the karst cave is measured by a hand-operated electric meter, so that accurate information cannot be obtained.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the equipment for detecting the karst cave in the rotary excavating pile by using the laser radar and the using method thereof, which have the advantages of more accurately obtaining the karst cave information in the cave and the like, and solve the problem that the karst cave information can not be accurately obtained by the traditional method.
(II) technical scheme
In order to achieve the purpose of obtaining the information of the karst caves in the holes more accurately, the invention provides the following technical scheme: the device for detecting the karst cave in the rotary excavating pile by using the laser radar comprises a positioning frame and fixing frames, wherein the bottoms of two groups of fixing frames are inserted with the top of the positioning frame, a driving motor is installed on the fixing frame on the rear side, the same rotating shaft is installed between the two fixing frames, and the rear end of the rotating shaft is fixedly connected with an output shaft of the driving motor;
the outside fixedly connected with kinking wheel of axis of rotation, the inside winding of kinking wheel has the pulling rope that has the scale, two couples of bottom fixedly connected with of pulling rope, the same base of bottom fixedly connected with of two couples, laser radar sensor is installed at the top of base, the equal fixedly connected with flashlight of the front and back both sides face of base.
Preferably, the positioning frame is a clip-shaped frame, and the bottom of the frame is provided with fixed teeth which are uniformly distributed.
Preferably, the accommodating holes are formed in the left side and the right side of the frame, the extending frames are connected to the inside of the accommodating holes in a sliding mode, and the two ends of the extending frames are located outside the frame at the opposite ends.
Preferably, a plurality of locating grooves which are symmetrically distributed are arranged on the front side and the rear side of the top of the frame in a large mode, and the number of the locating grooves is not less than six groups.
Preferably, the mount includes an installed part and two supporting legs, two the supporting leg articulates respectively in the left and right sides of installed part, and in the constant head tank that does not extend to the correspondence was equallyd divide to the bottom of two supporting legs, both ends rotate with two installed parts respectively around the axis of rotation and are connected, driving motor and the installed part fixed connection of rear side.
Preferably, the output end of the laser radar sensor is connected with the input end of a peripheral computer through signals.
Preferably, the flashlight is connected with the base through a screw thread structure, and the flashlight is provided with a suitable rechargeable battery.
The invention provides a use method of equipment for detecting a karst cave in a rotary excavating pile by using a laser radar, which comprises the following steps:
a, fixing equipment: the positioning frame is arranged above the hole, if the diameter of the hole is larger, the extension frame can be drawn out of the containing hole, the total length of the whole positioning frame is increased, the positioning frame can be stably arranged above the hole to be detected, and finally the two fixing frames are arranged on the positioning frame, so that the fixing work of the whole equipment is completed;
b, detection: the flashlight is fixed at two ends of the base, then the base is placed in the hole, the driving motor can drive the rotating shaft to rotate, the pulling rope on the wire winding wheel is unfolded, the base descends along with the increase of the length of the unfolded pulling rope, and the laser radar sensor on the base can detect the karst cave information;
c, information acquisition: in the process that the base descends, the flashlight can illuminate the inside of the hole, the laser radar sensor scans the inside of the hole for 360 degrees, an image of the inner contour of the hole is obtained, and the image is transmitted to computer equipment in real time;
d, information analysis: and the peripheral computer equipment analyzes and processes the information acquired by the laser radar sensor to obtain clear images and size information of the karst caves in the holes.
(III) advantageous effects
Compared with the prior art, the invention provides equipment for detecting the karst cave in the rotary excavating pile by using the laser radar and a using method thereof, and the equipment has the following beneficial effects:
1. according to the device for detecting the karst cave in the rotary excavating pile by using the laser radar and the using method thereof, the inside of the hole can be illuminated through the flashlight, the laser radar sensor scans the inside of the hole by 360 degrees to acquire the outline image in the hole and transmits the outline image to the computer device in real time, the information acquired by the laser radar sensor is analyzed and processed by the peripheral computer device, the clear image and size information of the karst cave in the hole can be acquired, and the device can acquire the karst cave information in the hole more simply and accurately.
2. According to the device for detecting the karst cave in the rotary excavating pile by using the laser radar and the using method thereof, when the hole is large, the length of the frame needs to be prolonged to ensure that the frame can be effectively placed above the hole, and after the extension frame is taken out, the total length of the whole frame can be increased, so that the device can adapt to the use of holes with different sizes.
3. This use laser radar to survey equipment of digging karst cave in stake soon and application method thereof, when the device reaches the hole bottom, slow hoisting device, closing equipment stops scanning, and laser radar sensor selects the sensor ripe on the market at present, and whole equipment technique is ripe, and maneuverability is strong, simple manufacture, and simple to operate is swift, fixes a position accurately, can provide accurate information, safe and reliable for solving the karst cave scheme.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for detecting a karst cave in a rotary excavation pile by using a laser radar according to the present invention;
FIG. 2 is a schematic view of a connection structure of a fixing frame and a wire winding wheel in the device for detecting the karst cave in the rotary digging pile by using the laser radar;
FIG. 3 is a top view of a positioning frame in the device for detecting the karst cave in the rotary excavating pile by using the laser radar;
fig. 4 is a schematic view of a connection structure of a base and a flashlight in the device for detecting the karst cave in the rotary digging pile by using the laser radar.
In the figure: 1. a positioning frame; 2. a fixed mount; 3. a drive motor; 4. a rotating shaft; 5. winding the wire wheel; 6. pulling the rope; 7. hooking; 8. a base; 9. a laser radar sensor; 10. a flashlight; 11. a frame; 12. fixing teeth; 13. a receiving hole; 14. an extension frame; 15. positioning a groove; 16. a mounting member; 17. and (5) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an apparatus for detecting a karst cave in a rotary excavation pile by using a laser radar comprises a positioning frame 1 and fixing frames 2, wherein the bottoms of the two groups of fixing frames 2 are inserted with the top of the positioning frame 1, a driving motor 3 is mounted on the fixing frame 2 at the rear side, a same rotating shaft 4 is mounted between the two fixing frames 2, the rear end of the rotating shaft 4 is fixedly connected with an output shaft of the driving motor 3, the driving motor 3 is a low-speed motor, and the driving motor 3 can drive the rotating shaft 4 to rotate after being electrified so as to provide power for the operation of the whole apparatus;
the outer part of the rotating shaft 4 is fixedly connected with a winding wheel 5, the inner part of the winding wheel 5 is wound with a pulling rope 6 with scales, the bottom of the pulling rope 6 is fixedly connected with two hooks 7, the bottom of the two hooks 7 is fixedly connected with the same base 8, the top of the base 8 is provided with a laser radar sensor 9, the front side surface and the rear side surface of the base 8 are both fixedly connected with a flashlight 10, the flashlight 10 is connected with the base 8 through a screw thread structure, the flashlight 10 is provided with a suitable rechargeable battery, the rotating shaft 4 can drive the winding wheel 5 to synchronously rotate when rotating, the pulling rope 6 can be wound when the winding wheel 5 rotates forwards, the pulling rope 6 can be unfolded when the winding wheel 5 rotates backwards, after the base 8 is placed in a hole, the winding wheel 5 is controlled to rotate backwards, the pulling rope 6 is extended to enable the base 8 to descend in the hole, and the flashlight 10, the laser radar sensor 9 scans the inside of the hole by 360 degrees to acquire an image of the inner contour of the hole, and transmits the image to the computer equipment in real time, and the computer equipment of the peripheral equipment analyzes and processes the information acquired by the laser radar sensor 9 to obtain clear images and size information of the karst cave in the hole, so that the equipment can acquire the information of the karst cave in the hole more simply and accurately.
Locating rack 1 can place in the hole top, for whole equipment provides stable support, and locating rack 1 is the frame 11 of returning the shape, and evenly distributed's fixed tooth 12 is seted up to the bottom of frame 11, and frame 11 and ground contact, the setting of fixed tooth 12 can increase the stability of being connected between frame 11 and the ground.
When the hole is great, need the length of extension frame 11 in order to guarantee that frame 11 can effectually place in the hole top, the hole 13 has all been seted up to the left and right sides of frame 11 and has been accomodate, the inside sliding connection who accomodates hole 13 has extension frame 14, the one end that the extension frame 14 of both sides was kept away from all is located the outside of frame 11, take extension frame 14 out the back, can increase whole frame 11's total length for the device can adapt to the use of not equidimension hole.
Can detect the solution cavity in the hole through laser radar sensor 9, laser radar sensor 9's output should be connected with the input signal of the computer of peripheral hardware, acquires the interior contour image of hole through laser radar sensor 9, real-time transmission to computer terminal, makes operating personnel can accurate positioning hole solution cavity size and position outside the hole, can handle the information that acquires through the computer.
The invention provides a use method of equipment for detecting a karst cave in a rotary excavating pile by using a laser radar, which comprises the following steps:
a, fixing equipment: the positioning frame 1 is arranged above the hole, if the diameter of the hole is larger, the extension frame 14 can be drawn out of the accommodating hole 13, the total length of the whole positioning frame 1 is increased, the positioning frame 1 can be stably arranged above the hole to be detected, and finally the two fixing frames 2 are arranged on the positioning frame 1, so that the fixing work of the whole device is completed;
b, detection: the flashlight 10 is fixed at two ends of the base 8, then the base 8 is placed in the hole, the driving motor 3 can drive the rotating shaft 4 to rotate, the pulling rope 6 on the wire winding wheel 5 is unfolded, the base 8 descends along with the increase of the unfolding length of the pulling rope 6, and the laser radar sensor 9 on the base 8 can detect the karst cave information;
c, information acquisition: in the process of descending the base 8, the flashlight 10 can illuminate the inside of the hole, the laser radar sensor 9 scans the inside of the hole for 360 degrees to obtain an image of the inner contour of the hole, and the image is transmitted to computer equipment in real time;
d, information analysis: and the peripheral computer equipment analyzes and processes the information acquired by the laser radar sensor 9 to obtain clear images and size information of the karst caves in the holes.
When the device reaches the bottom of the hole, slowly hoisting device, closing equipment stops scanning, and laser radar sensor 9 selects the ripe sensor on the market at present, and whole equipment technology is ripe, and maneuverability is strong, simple manufacture, and simple to operate is swift, fixes a position accurately, can provide accurate information, safe and reliable for solving the solution cavern scheme.
The invention has the beneficial effects that: the driving motor 3 is a low-speed motor, the driving motor 3 can drive the rotating shaft 4 to rotate after being electrified, power is provided for the operation of the whole equipment, the rotating shaft 4 can drive the winding wheel 5 to rotate synchronously when rotating, the winding wheel 5 can wind the pulling rope 6 when rotating forwards, the pulling rope 6 can be unfolded when the winding wheel 5 rotates backwards, and after the base 8 is placed in the hole, the rewinding wheel 5 is controlled to rotate reversely, the base 8 can descend in the hole by pulling the rope 6 to extend, the flashlight 10 can illuminate the hole, the laser radar sensor 9 scans the inside of the hole for 360 degrees to obtain an image of the inner contour of the hole, and transmits the information to the computer equipment in real time, the peripheral computer equipment analyzes and processes the information acquired by the laser radar sensor 9, clear images and size information of the cavern in the hole can be obtained, so that the equipment can obtain the information of the cavern in the hole more simply and accurately.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an use laser radar to survey equipment of digging karst cave in stake soon, includes locating rack (1) and mount (2), its characterized in that: the bottoms of the two groups of fixing frames (2) are inserted into the top of the positioning frame (1), the driving motor (3) is installed on the fixing frame (2) on the rear side, the same rotating shaft (4) is installed between the two fixing frames (2), and the rear end of the rotating shaft (4) is fixedly connected with an output shaft of the driving motor (3);
outside fixedly connected with kinking wheel (5) of axis of rotation (4), the inside winding of kinking wheel (5) has pulling rope (6) that has the scale, two couples of bottom fixedly connected with (7) of pulling rope (6), the same base of bottom fixedly connected with (8) of two couples (7), laser radar sensor (9) are installed at the top of base (8), equal fixedly connected with flashlight (10) of the front and back both sides face of base (8).
2. The device for detecting the karst cave in the rotary excavating pile by using the laser radar as claimed in claim 1, wherein the positioning frame (1) is a square frame (11), and fixed teeth (12) are uniformly distributed at the bottom of the frame (11).
3. The device for detecting the karst cave in the rotary excavating pile by using the laser radar as claimed in claim 2, wherein the left side and the right side of the frame (11) are respectively provided with a receiving hole (13), the receiving holes (13) are connected with an extending frame (14) in a sliding manner, and the two ends of the extending frames (14) at the two sides are located outside the frame (11).
4. The device for detecting the karst cave in the rotary excavating pile by using the laser radar as claimed in claim 2, wherein a plurality of positioning grooves (15) are symmetrically distributed on the front side and the rear side of the top of the frame (11), and the number of the positioning grooves (15) is not less than six groups.
5. The device for detecting the karst cave in the rotary excavating pile by using the laser radar as claimed in claim 4, wherein the fixing frame (2) comprises a mounting part (16) and two supporting legs (17), the two supporting legs (17) are respectively hinged to the left side and the right side of the mounting part (16), the bottoms of the two supporting legs (17) respectively extend into the corresponding positioning grooves (15), the front end and the rear end of the rotating shaft (4) are respectively rotatably connected with the two mounting parts (16), and the driving motor (3) is fixedly connected with the mounting part (16) on the rear side.
6. The device for detecting the karst cave in the rotary excavation pile by using the laser radar as claimed in claim 1, wherein an output end of the laser radar sensor (9) is in signal connection with an input end of an external computer.
7. The device for detecting the karst cave in the rotary excavating pile by using the laser radar as claimed in claim 1, wherein the flashlight (10) is connected with the base (8) through a screw thread structure, and the flashlight (10) is provided with a suitable rechargeable battery.
8. The use method of the equipment for detecting the karst cave in the rotary excavating pile by using the laser radar is characterized by comprising the following steps of:
a, fixing equipment: the positioning frame (1) is arranged above the hole, if the diameter of the hole is larger, the extension frame (14) can be drawn out of the accommodating hole (13), the total length of the whole positioning frame (1) is increased, the positioning frame (1) can be stably arranged above the hole to be detected, and finally the two fixing frames (2) are arranged on the positioning frame (1), so that the fixing work of the whole equipment is completed;
b, detection: the electric torch (10) is fixed at two ends of the base (8), then the base (8) is placed in the hole, the driving motor (3) can drive the rotating shaft (4) to rotate, the pulling rope (6) on the wire winding wheel (5) is unfolded, the base (8) can descend along with the increase of the unfolding length of the pulling rope (6), and the laser radar sensor (9) on the base (8) can detect karst cave information;
c, information acquisition: in the process that the base (8) descends, the flashlight (10) can illuminate the hole, the laser radar sensor (9) scans the inside of the hole for 360 degrees to obtain an image of the inner contour of the hole, and the image is transmitted to computer equipment in real time;
d, information analysis: and the peripheral computer equipment analyzes and processes the information acquired by the laser radar sensor (9) to obtain clear images and size information of the karst caves in the holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242977.3A CN111025262A (en) | 2019-12-06 | 2019-12-06 | Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911242977.3A CN111025262A (en) | 2019-12-06 | 2019-12-06 | Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof |
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| CN111025262A true CN111025262A (en) | 2020-04-17 |
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| CN201911242977.3A Pending CN111025262A (en) | 2019-12-06 | 2019-12-06 | Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646275A (en) * | 2022-03-22 | 2022-06-21 | 中国有色金属工业昆明勘察设计研究院有限公司 | Inner contour measuring device and measuring method for space-limited karst cavity |
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| CN211826480U (en) * | 2019-12-06 | 2020-10-30 | 中冶天工集团有限公司 | Equipment for detecting karst cave in rotary excavating pile by using laser radar |
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2019
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Patent Citations (7)
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| CN105804721A (en) * | 2016-04-25 | 2016-07-27 | 长沙理工大学 | Karst cave probing system and using method thereof |
| CN108756264A (en) * | 2018-06-01 | 2018-11-06 | 江北建设有限公司 | A kind of protective device for pile hole excavated by manual work |
| CN109143395A (en) * | 2018-09-16 | 2019-01-04 | 六盘水久翔爆破工程有限责任公司 | A kind of vertical blast hole geology detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114646275A (en) * | 2022-03-22 | 2022-06-21 | 中国有色金属工业昆明勘察设计研究院有限公司 | Inner contour measuring device and measuring method for space-limited karst cavity |
| CN114646275B (en) * | 2022-03-22 | 2022-08-30 | 中国有色金属工业昆明勘察设计研究院有限公司 | Inner contour measuring device and measuring method for space-limited karst cavity |
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