CN113203368A - Detection method of pile foundation pore-forming shape and perpendicularity detection device - Google Patents
Detection method of pile foundation pore-forming shape and perpendicularity detection device Download PDFInfo
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- CN113203368A CN113203368A CN202110504004.3A CN202110504004A CN113203368A CN 113203368 A CN113203368 A CN 113203368A CN 202110504004 A CN202110504004 A CN 202110504004A CN 113203368 A CN113203368 A CN 113203368A
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- 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
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- 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
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Abstract
The invention discloses a pile foundation pore-forming shape and verticality detection device, which comprises a guide frame structure, a suspender mechanism, a detector and a terminal processing display, wherein the guide frame structure is arranged above a drilled hole, the suspender mechanism is fixed through the guide frame structure, the detector is arranged at the bottom of the suspender mechanism, and the top and the bottom of the suspender mechanism are respectively provided with a laser receiver and a laser transmitter; the hanger rod mechanism is assembled by round pipes, and a waterproof structure is arranged on each round pipe; the detector comprises a mounting column, and a distance measuring sensor is fixedly mounted at the outer end of a piston rod of the first waterproof electric telescopic rod; the distance measuring sensor, the first waterproof electric telescopic rod, the laser receiver and the laser transmitter are electrically connected with the terminal processing display through cables; according to the scheme, the terminal processing display fits the three-dimensional space shape of the pile hole according to the hoisting depth and the radial distance change in a plurality of directions, the perpendicularity of the pile foundation is automatically calculated, and the measurement precision is high.
Description
Technical Field
The invention belongs to the technical field of building industry, particularly relates to a pile foundation hole forming shape and perpendicularity detection device, and further provides a detection method of the pile foundation hole forming shape and perpendicularity detection device.
Background
Deep foundations consisting of piles and pile caps (caps for short) connecting the tops of the piles or single-pile foundations consisting of columns and pile foundations, for short, pile foundations. If the pile body is completely buried in the soil and the bottom surface of the bearing platform is contacted with the soil body, the pile body is called a low bearing platform pile foundation; when the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is positioned above the ground, the pile body is called a high pile cap pile foundation. Building pile foundations are typically low cap pile foundations. In high-rise buildings, pile foundations are widely applied.
The bored pile is a common foundation type in construction engineering, and the verticality (horizontal deviation/depth) and shape (circular in design and deviation after actual hole forming) of a hole formed directly influence the bearing capacity of a pile foundation.
In the prior art, the depth of a drill hole can be measured only, for example, a drilling winch drilling depth measuring device with application number of 201820599014.3 can only measure the depth of the drill hole, and the perpendicularity and the shape of the hole are difficult to detect.
Summary of the invention drilling
The invention aims to provide a pile foundation hole forming shape and perpendicularity detection device and a detection method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pile foundation pore-forming shape and verticality detection device comprises a guide frame structure, a suspender mechanism, a detector and a terminal processing display, wherein the guide frame structure is arranged above a drill hole, the suspender mechanism is fixed through the guide frame structure, the detector is installed at the bottom of the suspender mechanism, and the top and the bottom of the suspender mechanism are respectively provided with a laser receiver and a laser transmitter;
the hanger rod mechanism is assembled by round pipes, and a waterproof structure is arranged on each round pipe;
the detector comprises an installation column, the installation column is fixedly installed below the suspender mechanism, four first waterproof electric telescopic rods are installed at the bottoms of the installation columns at equal angles, a distance measuring sensor is fixedly installed at the outer end of a piston rod of each first waterproof electric telescopic rod, and the detector further comprises a balance mechanism;
the distance measuring sensor, the first waterproof electric telescopic rod, the laser receiver and the laser transmitter are all connected with the terminal processing display through cables.
By adopting the technical scheme, the terminal processing display automatically records the radial distances in several directions and the sinking depth of the detector; in the sinking process, the terminal processing display emits laser upwards through a laser emitter at the bottom of the suspender mechanism, a laser receiver is arranged at the top of the suspender mechanism, and the received laser represents the vertical state so as to test the vertical state of the suspender; in order to keep the detector horizontal, a balance block and a moving track are arranged, and the second waterproof electric telescopic rod drives the balance block to move back and forth in real time under the control of the terminal processing display so as to keep the platform in a balanced and horizontal state; and after the detection is finished, the terminal processing display fits the three-dimensional space shape of the pile hole according to the hoisting depth and the radial distance change in a plurality of directions, and automatically calculates the verticality of the pile foundation.
Preferably, the balance mechanism comprises four second waterproof electric telescopic rods, four second waterproof electric telescopic rods are respectively installed above the first waterproof electric telescopic rods, balance blocks are fixedly installed at the outer ends of the second waterproof electric telescopic rods, and the second waterproof electric telescopic rods are electrically connected with the terminal processing display through cables.
By adopting the technical scheme, the second waterproof electric telescopic rod drives the balance block to move back and forth in real time under the control of the terminal processing display so as to keep the platform balanced and in a horizontal state, and the detector is favorably kept balanced.
Preferably, rectangular sliding rails are fixedly installed on the outer wall of the installation column at equal angles, and rectangular sliding grooves which are matched and spliced with the rectangular sliding rails are formed in the bottoms of the balance blocks; the bottom outside of erection column has the ring through connecting rod fixed mounting, the piston rod of first waterproof electric telescopic link is taken the top of ring.
Through adopting above-mentioned technical scheme, the balancing piece slides along rectangular slide rail, is favorable to the steady removal of balancing piece.
Preferably, the top and the bottom of pipe respectively integrated into one piece have first plectane and second plectane, the up end at least equidistance integrated into one piece of first plectane has two annular thread boards, second plectane bottom seted up with the annular screw hole of annular thread board one-to-one.
Through adopting above-mentioned technical scheme, connect through the cooperation of a plurality of annular thread boards and a plurality of annular threaded hole, be favorable to the leakproofness between the pipe, improved water-proof effects.
Preferably, the inner wall of the top of the annular threaded hole is provided with an annular sealing ring.
Through adopting above-mentioned technical scheme, through the effect of ring type seal, the leakproofness between the pipe has further been improved.
Preferably, the leading truck structure includes the support, the support erects in the top of drilling, the middle part fixed mounting of support has the stand pipe, jib mechanism passes the inside of stand pipe, two risers have all been welded at least to the left and right sides of support, the rectangular hole has transversely been seted up at the top of riser, the inside activity grafting of rectangular hole has the diaphragm, the inner homogeneous body shaping of diaphragm has the arc, the arc supports the below of first plectane.
Through adopting above-mentioned technical scheme, carry on the effect through the arc, effectually prevent jib mechanism whereabouts, conveniently add the pipe, after the installation of a pipe of the top is accomplished, outside pull arc, make arc and pipe break away from, the automatic whereabouts of pipe, then support the arc in the below of first plectane, so install the pipe repeatedly, make things convenient for the installation of pipe, it should explain, distance measuring sensor, first waterproof electric telescopic link and laser emitter's cable is the inside of wearing in advance at a plurality of pipes, the bottom of pipe is sealed setting the bottom, the pipe below is worn out to the cable, the kneck is equipped with other seal structure such as sealing washer.
Preferably, the outer end of diaphragm all has welded the hand lever, the hand lever with install the spring between the riser.
Through adopting above-mentioned technical scheme, through the convenient pull diaphragm of hand lever, when loosening the hand lever, under the effect of the elasticity of spring, the arc can support the below at first plectane voluntarily.
Preferably, the left end and the right end of the spring are integrally formed with hooks, hanging rings are mounted between the hand lever and the vertical plate, and the hooks are hung on the hanging rings.
By adopting the technical scheme, the hook and the hanging ring are hung, so that the spring is convenient to install.
Preferably, the notch of the hook is provided with an arc-shaped elastic sheet, the arc-shaped elastic sheet is fixedly connected with the hook, and the arc-shaped elastic sheet is not fixedly connected.
Through adopting above-mentioned technical scheme, through the limiting displacement of arc shell fragment, effectually prevent to break away from taking place between couple and the link.
The invention also provides a detection method of the pile foundation pore-forming shape and verticality detection device, which comprises the following steps:
s1, firstly, installing a guide frame structure, then enabling the suspender mechanism to penetrate through the guide pipe, and then installing the detector at the bottom of the suspender mechanism;
s2, after entering the hole, detecting the hole wall position by the distance measuring sensor at the front end of the first waterproof electric telescopic rod symmetrically arranged on the periphery of the detector, extending and retracting at proper time, keeping the distance measuring sensor and the hole wall position in a 1cm state, and avoiding the shaking of the soil wall detector due to non-direct contact;
s3, the terminal processing display automatically records the radial distance in several directions and the sinking depth of the detector;
s4: in the sinking process, the terminal processing display emits laser upwards through a laser emitter at the bottom of the suspender mechanism, a laser receiver is arranged at the top of the suspender mechanism, and the received laser represents the vertical state so as to test the vertical state of the suspender;
s5: in order to keep the detector horizontal, a balance block and a moving track are arranged, and the second waterproof electric telescopic rod drives the balance block to move back and forth in real time under the control of the terminal processing display so as to keep the platform in a balanced and horizontal state;
s6: after the detection platform reaches the bottom of the pile hole, clockwise rotating for 45 degrees, lifting the detection platform and measuring radial distance change and corresponding depth;
and S7, fitting the three-dimensional space shape of the pile hole according to the depth and radial distance changes measured in the two stages of downward hanging and lifting of the detection device platform, and automatically calculating the perpendicularity of the pile foundation.
The invention has the technical effects and advantages that: compared with the prior art, the pile foundation hole forming shape and verticality detection device provided by the invention has the following advantages:
1. according to the scheme, the terminal processing display fits the three-dimensional space shape of the pile hole according to the hoisting depth and the radial distance change in a plurality of directions, the perpendicularity of the pile foundation is automatically calculated, and the measurement precision is high;
2. after entering the hole, the position of the hole wall is detected by the distance measuring sensors at the front ends of the first waterproof electric telescopic rods symmetrically arranged on the periphery of the detector, and the distance measuring sensors are timely extended and retracted, so that the positions of the distance measuring sensors and the hole wall are kept in a 1cm state, the distance measuring sensors are not directly contacted with the hole wall, the soil wall detector is prevented from shaking, and the measuring precision is improved;
3. in the sinking process, the terminal processing display emits laser upwards through the laser emitter at the bottom of the suspender mechanism, the laser receiver is arranged at the top of the suspender mechanism, and the received laser represents the vertical state so as to test the vertical state of the suspender, thereby further improving the measurement precision;
4. in order to keep the detector horizontal, a balance block and a moving track are arranged, and the second waterproof electric telescopic rod drives the balance block to move back and forth in real time under the control of the terminal processing display so as to keep the platform in a balanced and horizontal state, so that the measurement precision is further improved.
Drawings
FIG. 1 is a front sectional view of the present invention in use;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a top view of the detector in use according to the present invention;
FIG. 4 is a front cross-sectional view of the round tube of the present invention as assembled;
FIG. 5 is a schematic view of the assembled round tube of the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is an enlarged view of portion C of FIG. 1;
fig. 8 is an enlarged view of a portion D in fig. 7.
In the figure: 1. a guide frame structure; 101. a support; 11. a guide tube; 12. a vertical plate; 121. a rectangular hole; 13. a transverse plate; 131. an arc-shaped plate; 14. a spring; 141. hooking; 1411. a notch; 1412. an arc-shaped elastic sheet; 142. hanging a ring; 15. a hand lever; 2. a boom mechanism; 21. a circular tube; 211. a first circular plate; 2111. an annular thread plate; 212. a second circular plate; 2121. an annular threaded hole; 3. a detector; 31. mounting a column; 311. a first waterproof electrical telescoping rod; 312. a ranging sensor; 32. a second waterproof electrical telescoping rod; 321. a counterbalance; 322. a rectangular slide rail; 323. a rectangular chute; 33. a circular ring; 4. processing the display; 5. a laser receiver.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 8 in 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 embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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.
Example (b):
the pile foundation pore-forming shape and verticality detection device shown in fig. 1, 2, 3 and 7 comprises a guide frame structure 1, a suspender mechanism 2, a detector 3 and a terminal processing display 4, wherein the guide frame structure 1 is arranged above a drilled hole, the suspender mechanism 2 is fixed through the guide frame structure 1, the detector 3 is arranged at the bottom of the suspender mechanism 2, and the top and the bottom of the suspender mechanism 2 are respectively provided with a laser receiver 5 and a laser emitter;
the suspender mechanism 2 is assembled by a round pipe 21, and a waterproof structure is arranged on the round pipe 21;
the detector 3 comprises a mounting column 31, the mounting column 31 is fixedly mounted below the boom mechanism 2, four first waterproof electric telescopic rods 311 are mounted at the bottoms of the mounting column 31 at equal angles, a distance measuring sensor 312 is fixedly mounted at the outer end of a piston rod of each first waterproof electric telescopic rod 311, and the detector 3 further comprises a balance mechanism;
By adopting the technical scheme, the terminal processing display 4 automatically records the radial distances in several directions and the sinking depth of the detector 3; in the sinking process, the terminal processing display 4 emits laser upwards through a laser emitter at the bottom of the suspender mechanism 2, a laser receiver 5 is arranged at the top of the suspender mechanism 2, and the received laser represents the vertical state so as to check the vertical state of the suspender; in order to keep the detector 3 horizontal, a balance block 321 and a moving track are arranged, and the second waterproof electric telescopic rod 32 drives the balance block 321 to move back and forth in real time under the control of the terminal processing display 4 so as to keep the platform in a balanced and horizontal state; after the detection is finished, the terminal processing display 4 fits the three-dimensional space shape of the pile hole according to the hoisting depth and the radial distance change in a plurality of directions, and automatically calculates the perpendicularity of the pile foundation.
As shown in fig. 1, fig. 2 and fig. 3, further, the balancing mechanism includes four second waterproof electric telescopic rods 32, the four second waterproof electric telescopic rods 32 are respectively installed above the first waterproof electric telescopic rod 311, the outer ends of the second waterproof electric telescopic rods 32 are respectively and fixedly installed with a balance weight 321, and the second waterproof electric telescopic rods 32 are respectively and electrically connected with the terminal processing display 4 through cables.
By adopting the above technical scheme, the second waterproof electric telescopic rod 32 drives the balance block 321 to move back and forth in real time under the control of the terminal processing display 4 so as to keep the platform balanced and horizontal, which is beneficial to keeping the detector 3 balanced.
As shown in fig. 1, fig. 2 and fig. 3, further, rectangular sliding rails 322 are fixedly installed on the outer wall of the installation column 31 at equal angles, and rectangular sliding grooves 323 which are inserted and matched with the rectangular sliding rails 322 are respectively formed at the bottoms of the balance weights 321; the bottom outside of the mounting column 31 is fixedly provided with a circular ring 33 through a connecting rod, and a piston rod of the first waterproof electric telescopic rod 311 is lapped above the circular ring 33.
By adopting the above technical scheme, the balance weight 321 slides along the rectangular slide rail 322, which is beneficial to the stable movement of the balance weight 321.
As shown in fig. 4, 5 and 6, a first circular plate 211 and a second circular plate 212 are integrally formed at the top and bottom of the circular tube 21, two annular screw plates 2111 are integrally formed at the upper end surface of the first circular plate 211 at least equidistantly, and annular screw holes 2121 corresponding to the annular screw plates 2111 are opened at the bottom of the second circular plate 212.
Through adopting above-mentioned technical scheme, connect through the cooperation of a plurality of annular thread boards 2111 and a plurality of annular screw hole 2121, be favorable to the leakproofness between the pipe 21, improved water-proof effects.
As shown in fig. 4, the top inner walls of the annular threaded holes 2121 are provided with annular sealing rings.
Through adopting above-mentioned technical scheme, through the effect of ring type seal, further improved the leakproofness between the pipe 21.
As shown in fig. 1 and 7, further, the guide frame structure 1 includes a support 101, the support 101 is erected above the drilled hole, a guide pipe 11 is fixedly installed in the middle of the support 101, the suspension rod mechanism 2 penetrates through the inside of the guide pipe 11, at least two vertical plates 12 are welded on the left side and the right side of the support 101, a rectangular hole 121 is transversely formed in the top of each vertical plate 12, a transverse plate 13 is movably inserted into the rectangular hole 121, an arc-shaped plate 131 is integrally formed at the inner end of the transverse plate 13, and the arc-shaped plate 131 abuts against the lower side of the first circular plate 211.
Through adopting above-mentioned technical scheme, carry on the effect through arc 131, the 2 whereabouts of effectual jib mechanism that prevent, conveniently add pipe 21, after the installation of a pipe 21 above is accomplished, outside pull arc 131, make arc 131 break away from with pipe 21, pipe 21 automatic whereabouts, then support arc 131 in the below of first plectane 211, so install pipe 21 repeatedly, make things convenient for the installation of pipe 21, it should be explained, distance measuring sensor 312, first waterproof electric telescopic link 311 and laser emitter's cable is the inside of wearing in advance at a plurality of pipes 21, the bottom of pipe 21 below is sealed setting, the pipe 21 below is worn out to the cable, the kneck is equipped with other seal structure such as sealing washer.
As shown in fig. 1 and 7, hand levers 15 are welded to the outer ends of the transverse plates 13, and springs 14 are installed between the hand levers 15 and the vertical plates 12.
Through adopting above-mentioned technical scheme, conveniently pull diaphragm 13 through hand lever 15, when loosening hand lever 15, under the effect of the elastic force of spring 14, arc 131 can automatic support in the below of first plectane 211.
As shown in fig. 1, 7 and 8, hooks 141 are integrally formed at both left and right ends of the spring 14, hanging rings 142 are installed between the pull rod 15 and the vertical plate 12, and the hooks 141 and the hanging rings 142 are hooked.
By adopting the technical scheme, the hook 141 and the hanging ring 142 are hung, so that the spring 14 is convenient to install.
As shown in fig. 1, 7 and 8, an arc-shaped elastic piece 1412 is further disposed in the notch 1411 of the hook 141, the arc-shaped elastic piece 1412 is fixedly connected with the hook 141, and the arc-shaped elastic piece 1412 is not fixedly connected.
By adopting the technical scheme, the hook 141 and the hanging ring 142 are effectively prevented from being separated from each other by the limiting action of the arc-shaped elastic piece 1412.
The invention also provides a detection method of the pile foundation pore-forming shape and verticality detection device, which comprises the following steps:
s1, firstly installing the guide frame structure 1, then enabling the suspender mechanism 2 to penetrate through the guide pipe 11, and then installing the detector 3 at the bottom of the suspender mechanism 2;
s2, after entering the hole, the distance measuring sensor 312 at the front end of the first waterproof electric telescopic rod 311 symmetrically arranged on the periphery of the detector 3 detects the hole wall position and extends and retracts in time, the distance measuring sensor 312 and the hole wall position are kept in a 1cm state, and the distance measuring sensor 312 is not directly contacted with the hole wall to avoid the shaking of the soil wall detector 3;
s3, the terminal processing display 4 automatically records the radial distances in several directions and the sinking depth of the detector 3;
s4: in the sinking process, the terminal processing display 4 emits laser upwards through a laser emitter at the bottom of the suspender mechanism 2, a laser receiver 5 is arranged at the top of the suspender mechanism 2, and the received laser represents the vertical state so as to check the vertical state of the suspender;
s5: in order to keep the detector 3 horizontal, a balance block 321 and a moving track are arranged, and the second waterproof electric telescopic rod 32 drives the balance block 321 to move back and forth in real time under the control of the terminal processing display 4 so as to keep the platform in a balanced and horizontal state;
s6: after the detection platform reaches the bottom of the pile hole, clockwise rotating for 45 degrees, lifting the detection platform, measuring radial distance change and corresponding depth, fitting in four directions, namely fitting in eight directions at present, and improving accuracy;
and S7, fitting the three-dimensional space shape of the pile hole according to the depth and radial distance changes measured in the two stages of downward hanging and lifting of the detection device platform, and automatically calculating the perpendicularity of the pile foundation.
Therefore, according to the scheme, the terminal processing display 4 fits the three-dimensional space shape of the pile hole according to the hoisting depth and the radial distance change in a plurality of directions, the perpendicularity of the pile foundation is automatically calculated, and the measurement precision is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (1)
1. The utility model provides a pile foundation pore-forming shape and straightness detection device's that hangs down detection method, includes leading truck structure (1), jib mechanism (2), detector (3), terminal processing display (4), its characterized in that: the guide frame structure (1) is arranged above a drill hole, the suspender mechanism (2) is fixed through the guide frame structure (1), the detector (3) is installed at the bottom of the suspender mechanism (2), and the top and the bottom of the suspender mechanism (2) are respectively provided with a laser receiver (5) and a laser transmitter;
the hanger rod mechanism (2) is assembled by round pipes (21), and a waterproof structure is arranged on each round pipe (21);
the detector (3) comprises a mounting column (31), the mounting column (31) is fixedly mounted below the suspender mechanism (2), four first waterproof electric telescopic rods (311) are mounted at the bottom of the mounting column (31) at equal angles, a distance measuring sensor (312) is fixedly mounted at the outer end of a piston rod of each first waterproof electric telescopic rod (311), and the detector (3) further comprises a balance mechanism;
the distance measuring sensor (312), the first waterproof electric telescopic rod (311), the laser receiver (5) and the laser transmitter are electrically connected with the terminal processing display (4) through cables;
the balance mechanism comprises four second waterproof electric telescopic rods (32), the four second waterproof electric telescopic rods (32) are respectively arranged above the first waterproof electric telescopic rod (311), balance blocks (321) are fixedly arranged at the outer ends of the second waterproof electric telescopic rods (32), and the second waterproof electric telescopic rods (32) are electrically connected with the terminal processing display (4) through cables;
s1, firstly installing the guide frame structure (1), then enabling the suspender mechanism (2) to penetrate through the guide pipe (11), and then installing the detector (3) at the bottom of the suspender mechanism (2);
s2, after entering the hole, the position of the hole wall is detected by a distance measuring sensor (312) at the front end of a first waterproof electric telescopic rod (311) symmetrically arranged on the periphery of the detector (3) and is extended and retracted timely, the position of the distance measuring sensor (312) and the position of the hole wall are kept in a 1cm state, and the distance measuring sensor (312) is not directly contacted with the hole wall to avoid the shaking of the soil wall detector (3);
s3, the terminal processing display (4) automatically records the radial distances in several directions and the sinking depth of the detector (3);
s4: in the sinking process, the terminal processing display (4) emits laser upwards through a laser emitter at the bottom of the suspender mechanism (2), a laser receiver (5) is arranged at the top of the suspender mechanism (2), and the received laser represents the vertical state so as to check the vertical state of the suspender;
s5: in order to keep the detector (3) horizontal, a balance block (321) and a moving track are arranged, and a second waterproof electric telescopic rod (32) drives the balance block (321) to move back and forth in real time under the control of the terminal processing display (4) so as to keep the platform in a balanced and horizontal state;
s6: after the detection platform reaches the bottom of the pile hole, clockwise rotating for 45 degrees, lifting the detection platform and measuring radial distance change and corresponding depth;
and S7, fitting the three-dimensional space shape of the pile hole according to the depth and radial distance changes measured in the two stages of downward hanging and lifting of the detection device platform, and automatically calculating the perpendicularity of the pile foundation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110504004.3A CN113203368B (en) | 2019-11-25 | 2019-11-25 | Detection method of pile foundation pore-forming shape and verticality detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911163877.1A CN111220089B (en) | 2019-11-25 | 2019-11-25 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
| CN202110504004.3A CN113203368B (en) | 2019-11-25 | 2019-11-25 | Detection method of pile foundation pore-forming shape and verticality detection device |
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| CN201911163877.1A Division CN111220089B (en) | 2019-11-25 | 2019-11-25 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
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| CN201911163877.1A Active CN111220089B (en) | 2019-11-25 | 2019-11-25 | Pile foundation pore-forming shape and perpendicularity detection device and detection method thereof |
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| CN112504159B (en) * | 2020-10-27 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Device and method for measuring three-dimensional shape of inner cavity of variable-section cylindrical part |
| CN112444211B (en) * | 2020-11-12 | 2022-09-09 | 宁夏送变电工程有限公司 | Unmanned aerial vehicle deep hole measuring system and method |
| CN112681407A (en) * | 2020-12-21 | 2021-04-20 | 南京紫金地质工程技术有限公司 | Pile foundation pore-forming quality detection device and detection method thereof |
| CN112880616B (en) * | 2021-03-09 | 2023-03-21 | 刘芳 | Pile hole aperture detection device for engineering management and control method thereof |
| CN113340180B (en) * | 2021-08-04 | 2021-11-09 | 华芯半导体研究院(北京)有限公司 | Measuring device for MOCVD equipment reaction chamber |
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| CN114184157B (en) * | 2021-11-25 | 2023-05-05 | 成都飞机工业（集团）有限责任公司 | Hole making verticality detection device and use method |
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| CN111220089B (en) | 2021-06-25 |
| CN113203368B (en) | 2023-01-03 |
| CN111220089A (en) | 2020-06-02 |
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