CN113008181B - Soil motion gesture monitoring box - Google Patents
Soil motion gesture monitoring box Download PDFInfo
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- CN113008181B CN113008181B CN202110290866.0A CN202110290866A CN113008181B CN 113008181 B CN113008181 B CN 113008181B CN 202110290866 A CN202110290866 A CN 202110290866A CN 113008181 B CN113008181 B CN 113008181B
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a soil motion attitude monitoring box, which comprises a hollow sphere, a sealing box and an attitude angle sensor, wherein the hollow sphere is provided with a hollow hole; the upper end of the hollow sphere is provided with an upper wire outlet hole, the lower end of the hollow sphere is provided with a bottom cover, the bottom cover is provided with a lower wire outlet hole, the middle lower part in the hollow sphere is provided with an annular platform, a columnar hollow cylinder is arranged on the annular platform, the top of the cylinder is connected with the sphere into a whole, the bottom of the cylinder is connected with the inner ring edge of the annular platform into a whole, a cavity in the hollow cylinder is communicated with the upper wire outlet hole and the lower wire outlet hole, and an internal thread-shaped wire placing platform is arranged in the cylinder; the sealing box is fixed at the bottom of the annular platform, the two attitude angle sensors are respectively fixed in the two sealing boxes, a power supply signal wire connected with the attitude angle sensors is led out from the sealing boxes and then wound on the threaded wire placing platform in the cylinder and led out of the ball body from the upper wire outlet, and the power supply signal wire at the upper wire outlet is fixed on the upper wire outlet through water-soluble glue. The monitoring box is simple and convenient to operate, accurate in measurement, convenient to transport, maintain and low in monitoring cost.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering monitoring, in particular to a soil motion attitude monitoring box.
Background
Deformation and displacement monitoring occupy an extremely important position in engineering construction quality safety control. The existing space motion attitude monitoring technology is mostly applied to structures above the ground and cannot be applied to deformation displacement monitoring of soil below the ground. However, the excessive deformation of the soil body displacement is often the root cause of engineering accidents, such as foundation pit collapse, pavement collapse, uneven settlement of the foundation, slope instability and the like. The difficulty of monitoring the deformation and displacement of the soil body is as follows: 1. the monitoring box can truly reflect the displacement and deformation of the soil body only when moving along with the soil body; 2. the monitoring boxes distributed in the soil need to communicate with the outside, if a wireless form is adopted, the problems of shielding communication signals of the soil and high power consumption exist, and if a wired form is adopted, the problems that the monitoring boxes are pulled by cables, so that the real displacement and deformation of the soil cannot be reflected by the monitoring boxes are caused; 3. the long-term underground water in the soil not only influences the normal work of the electronic monitoring equipment, but also generates buoyancy on the monitoring box, so that the monitoring result is inaccurate; 4. the operation difficulty of laying the monitoring box in the deep soil body is high, and the laying depth is difficult to control.
In the prior art, an inclinometer is adopted to monitor the displacement of a soil body, but the inclinometer can only monitor the horizontal displacement of the soil body and cannot comprehensively monitor the overall motion attitude condition of the soil body; in addition, the inclinometer generally adopts manual data acquisition, has large influence of human factors, cannot automatically output, calculate and analyze data in real time, and has higher economic and labor costs.
Disclosure of Invention
The invention aims to provide a monitoring box which can truly reflect the motion attitude of a deep soil body and continuously transmit the motion attitude data of the deep soil body in real time, so as to achieve the purposes of monitoring the displacement deformation condition of the deep soil body, early warning the condition of overlarge deformation in underground engineering and further preventing engineering accidents from happening.
The technical scheme for realizing the purpose of the invention is as follows:
a soil motion attitude monitoring box comprises a hollow ball body, a sealing box and an attitude angle sensor; the upper end of the hollow sphere is provided with an upper wire outlet hole, the lower end of the hollow sphere is provided with a detachable bottom cover, the bottom cover is provided with a lower wire outlet hole, the middle lower part in the hollow sphere is provided with an annular platform, a columnar hollow cylinder is arranged on the annular platform, the top of the hollow cylinder is connected with the sphere into a whole, the bottom of the hollow cylinder is connected with the inner ring edge of the annular platform into a whole, a cavity in the hollow cylinder is communicated with the upper wire outlet hole and the lower wire outlet hole, and an internal thread-shaped wire placing platform is arranged in the hollow cylinder;
the two sealing boxes are symmetrically fixed at the bottom of the annular platform, the two attitude angle sensors are respectively fixed in the two sealing boxes, a power supply signal wire connected with the attitude angle sensors is led out from the sealing boxes, then wound on a threaded wire placing platform in the cylinder and led out of the ball body from an upper wire outlet, the power supply signal wire at the upper wire outlet is fixed on a wire fixing ring through water-soluble glue, and the wire fixing ring is fixed below the upper wire outlet through the water-soluble glue; or the gap between the power supply signal wire and the upper wire outlet hole is tightly filled with water-soluble paper, so as to achieve the purpose of fixing the power supply signal wire and the sphere.
The hollow sphere is a sphere capable of being half-opened, three-way orthogonal positioning wings are arranged outside the sphere, and cutting edges are arranged at the edges of the positioning wings.
The power supply signal wire is wound on a wire placing table in the hollow cylinder through a wire placing rod.
And an external thread-shaped wire placing table matched with the internal thread-shaped wire placing table is arranged outside the upper end of the wire placing rod.
The two attitude angle sensors are connected in parallel.
The wire fixing ring is a half-split wire fixing ring, is adhered below an upper wire outlet hole in the hollow sphere through the water soluble glue, has the inner diameter slightly larger than the diameter of the upper wire outlet hole, is used for fixing the power supply signal wire at the upper wire outlet hole of the monitoring box, and aims to facilitate the storage, the movement and the arrangement of the monitoring box.
The attitude angle sensor is a three-dimensional attitude angle sensor and can sense the overall motion attitude such as the displacement, the motion acceleration, the rotation angle and the like of the soil body of the monitoring point in a three-dimensional manner.
The soil motion attitude monitoring box provided by the invention has the following advantages:
(1) the monitoring box has a spherical shape with three-dimensional orthogonal positioning wings, so that the monitoring box can move along with the deformation of the soil body after being buried in the soil body, and further the three-dimensional movement posture of the soil body at the monitoring point is truly reflected.
(2) The power signal wire is loosened in advance and wound in the monitoring box, then the monitoring box is embedded in the soil body, the monitoring box is prevented from being dragged by the power signal wire when moving along with the soil body, the reliability of monitoring data is ensured, the performance of a monitoring instrument is improved, and the monitoring precision is improved.
(3) The attitude angle sensor in the monitoring box realizes communication and power supply with the ground through the power signal wire, so that the stability of transmission signals is ensured on one hand, and the power supply problem of wireless monitoring equipment is solved on the other hand, so that the monitoring instrument has stable signals and sufficient power supply, and stable and long-term monitoring is realized.
(4) Before the monitoring box is arranged on the underground deep soil body, the power signal wire and the upper wire outlet of the monitoring box are fixed in a mode of fixing the wire fixing ring or plugging the water-soluble paper, so that the power signal wire can be conveniently carried by hand, hanging storage and portable movement can be realized, small-aperture drilling holes which are preset in the stratum can be realized by lifting the monitoring box, and the problems that the operation difficulty of arranging the monitoring box on the deep soil body is large, and the arrangement depth is difficult to control are solved.
(5) After the monitoring box is arranged on an underground soil body with a preset depth, due to the existence of underground water or manual water filling, the water-soluble glue of the fixed solid wire ring can be dissolved in water or the water-soluble paper can be dissolved in water, so that the separation between the power signal wire and the upper wire outlet of the monitoring box is realized, at the moment, the power signal wire can not pull the monitoring box any more, and the monitoring box can move freely along with the soil body under the condition of no external force.
(6) The internal structure of the monitoring box determines that the parts except the sealing box can be water environment, so that the buoyancy force applied to the underground water is very small, the normal work of the electronic monitoring element cannot be influenced by the underground water existing in the soil for a long time, and the problem that the monitoring result is inaccurate due to the fact that the whole monitoring box is subjected to large buoyancy force can be solved.
(7) The outlet hole realizes the series connection of a plurality of monitoring boxes under the accessible monitoring box, to the soil body motion gesture monitoring of the different degree of depth.
(8) The structure of this monitoring box can be printed the realization through ordinary 3D, and the model is established easily, and the material easily acquires, and in addition, monitoring box easy and simple to handle, measurement accuracy, transportation maintenance convenience, monitoring are with low costs.
Drawings
FIG. 1 is a schematic perspective view of a monitoring box;
FIG. 2 is a cross-sectional view of the monitoring cartridge;
FIG. 3 is a perspective view of the wire-laying rod;
FIG. 4 is a front view of the wire positioning rod;
FIG. 5 is a schematic diagram of a power signal wire wound on a wire-laying bar;
in the figure: 1. the device comprises a hollow sphere 2, a positioning wing 3, a cutting edge 4, a hollow cylinder 5, an annular platform 6, a bottom cover 7, a lower wire outlet hole 8, a sealing box 9, a posture angle sensor 10, an internal thread-shaped wire placing platform 11, a power signal wire 12, a wire fixing ring 13, an upper wire outlet hole 14, a wire placing rod 15 and an external thread-shaped wire placing platform.
Detailed Description
The invention will be further elucidated with reference to the drawings and examples, without however being limited thereto.
Example (b):
as shown in fig. 1 and 2:
a soil motion attitude monitoring box comprises a hollow sphere 1, a sealing box 8 and an attitude angle sensor 9; an upper wire outlet hole 13 is formed in the upper end of the hollow sphere 1, a detachable bottom cover 6 is arranged at the lower end of the hollow sphere 1, a lower wire outlet hole 7 is formed in the bottom cover 6, an annular platform 5 is arranged at the middle lower portion in the hollow sphere 1, a columnar hollow cylinder 4 is arranged on the annular platform 5, the top of the hollow cylinder 4 is connected with the sphere 1 into a whole, the bottom of the hollow cylinder 4 is connected with the edge of the inner ring of the annular platform 5 into a whole, a cavity in the hollow cylinder 4 is communicated with the upper wire outlet hole 13 and the lower wire outlet hole 7, and an internal thread-shaped wire placing platform 10 is arranged in the hollow cylinder 4;
the two sealing boxes 8 are symmetrically fixed at the bottom of the annular platform 5, the two attitude angle sensors 9 are respectively fixed in the two sealing boxes 8, a power supply signal wire 11 connected with the attitude angle sensors 9 is led out from the sealing boxes 8, then wound on a thread-shaped wire placing table 10 in the cylinder 4 and led out of the sphere 1 from an upper wire outlet 13, the power supply signal wire 11 at the upper wire outlet 13 is fixed on a wire fixing ring 12 through water-soluble glue, and the wire fixing ring 12 is fixed below the upper wire outlet 13 through the water-soluble glue; or the gap between the power signal wire 11 and the upper wire outlet 13 is tightly filled with water-soluble paper, so as to achieve the purpose of fixing the power signal wire 11 and the ball body 1.
The hollow sphere 1 is a sphere capable of being half-opened, three-way orthogonal positioning wings 2 are arranged outside the sphere 1, cutting edges 3 are arranged at the edges of the positioning wings 2, the outer surface of the bottom cover 6 is also provided with the positioning wings 2 opposite to the three-way orthogonal positioning wings outside the sphere 1, and the cutting edges 3 are arranged on the positioning wings 2.
The power signal wire 11 is wound on the wire placing table 10 in the hollow cylinder 4 through the wire placing rod 14, as shown in fig. 3, 4 and 5.
And an external thread-shaped wire placing table 15 matched with the internal thread-shaped wire placing table 10 is arranged outside the upper end of the wire placing rod 14.
The two attitude angle sensors 9 are connected in parallel.
The wire fixing ring 12 is a half-split wire fixing ring, is adhered below an upper wire outlet hole 13 in the hollow sphere 1 through water soluble glue, has an inner diameter slightly larger than the diameter of the upper wire outlet hole 13, is used for fixing the power signal wire 11 at the upper wire outlet hole 13 of the monitoring box, and aims to facilitate the storage, movement and arrangement of the monitoring box.
The attitude angle sensor 9 is a three-dimensional attitude angle sensor, and can sense the overall motion attitude such as the displacement, the motion acceleration, the rotation angle and the like of the soil body of the monitoring point in a three-dimensional manner.
A soil motion attitude monitoring box is provided, and the using method comprises the following steps:
1) taking one half of a half-split hollow sphere 1, and preparing two attitude angle sensors 9 and a power supply signal wire 11 with a proper length;
2) the power supply signal wire 11 connects the two attitude angle sensors 9 in parallel, and is fixedly arranged in the sealing box 8 in the prepared half-open hollow sphere 1, and after the power supply signal wire 11 is led out of the sealing box 8, the sealing box 8 is subjected to sealing and waterproof treatment;
3) winding a power supply signal wire 11 on an external thread wire placing table 15 of a wire placing rod 14, placing the wire placing rod 14 wound with the power supply signal wire 11 on a hollow cylinder 4 in a prepared half-open sphere in a whole manner according to thread constraint, fixing the power supply signal wire 11 at the position of an upper wire outlet hole 13 by using a half-open fixing wire ring 12 through water-soluble glue, sticking the half-open fixing wire ring 12 below the wire outlet hole 13 on a monitoring box by using the water-soluble glue, fixing the power supply signal wire 11 and the upper wire outlet hole 13 at the moment, and then covering another half-hollow sphere 1, wherein a bottom cover 6 at the bottom of the hollow sphere 1 is not covered;
4) alternatives for fixing the power signal line 11 and the upper wire outlet hole 13 are: after the other half of the monitoring box outer body is covered, the gap between the power signal wire 11 and the upper wire outlet 13 is tightly plugged by water-soluble paper;
5) rotating a transposed wire rod 14 clockwise in a hollow cylinder 4, slipping and loosening a power supply signal wire 11 through an external thread wire placing table 15 to be wound on an internal thread wire placing table 10 arranged in the hollow cylinder 4, loosening the wire placing rod 14 without screwing the power supply signal wire 11 out along with the wire placing rod 14, then covering a bottom cover 6 at the bottom of a monitoring box, sealing a gap at the contact part of the bottom cover 6 of the monitoring box and the outer body of the monitoring box, at the moment, loosening and loosening the whole power supply signal wire 11 to be wound in the hollow cylinder 4, and before the monitoring box is buried in a soil body, keeping the whole power supply signal wire 11 in the monitoring box in a fixed state, so that the arrangement of the power supply signal wire 11 in the monitoring box is not disturbed due to human factors in the transportation or burying process;
6) the monitoring box is characterized in that length scales are engraved on an external signal line of the monitoring box, the monitoring box is placed in a vertical drilling hole, the embedding depth of the monitoring box is measured by the length scales on a power supply signal line, after the monitoring box is embedded into a soil body, hydrophilic glue adhered to a half-open fixed line ring is dissolved under the action of groundwater in the deep soil body, the half-open fixed line ring releases the power supply signal line, when the monitoring box moves along with the soil body, the monitoring box is not pulled by the power supply signal line, so that the overall motion posture of the soil body at a monitoring point is truly reflected, and finally, the physical quantity related to the motion of the soil body at the monitoring point obtained by the monitoring box is the average value of data measured by two parallel posture angle sensors.
Claims (7)
1. A soil motion attitude monitoring box is characterized by comprising a hollow sphere, a sealing box and an attitude angle sensor; the upper end of the hollow sphere is provided with an upper wire outlet hole, the lower end of the hollow sphere is provided with a detachable bottom cover, the bottom cover is provided with a lower wire outlet hole, the middle lower part in the hollow sphere is provided with an annular platform, a columnar hollow cylinder is arranged on the annular platform, the top of the hollow cylinder is connected with the sphere into a whole, the bottom of the hollow cylinder is connected with the inner ring edge of the annular platform into a whole, a cavity in the hollow cylinder is communicated with the upper wire outlet hole and the lower wire outlet hole, and an internal thread-shaped wire placing platform is arranged in the hollow cylinder;
the two sealing boxes are symmetrically fixed at the bottom of the annular platform, the two attitude angle sensors are respectively fixed in the two sealing boxes, and a power signal wire connected with the attitude angle sensors is led out from the sealing boxes, then wound on a threaded wire placing table in the cylinder and led out of the sphere from an upper wire outlet; the power supply signal wire at the upper wire outlet hole is fixed on the wire fixing ring through water-soluble glue, and the wire fixing ring is fixed below the upper wire outlet hole through the water-soluble glue; or the gap between the power supply signal wire and the upper wire outlet hole is tightly filled with water-soluble paper, so as to achieve the purpose of fixing the power supply signal wire and the sphere.
2. The soil motion attitude monitoring box of claim 1, wherein the hollow sphere is a half-split sphere, and three-way orthogonal positioning wings are arranged outside the sphere, and cutting edges are arranged at the edges of the positioning wings.
3. A soil movement attitude monitoring box according to claim 1, wherein said power signal wire is wound on a wire-laying table in the hollow cylinder by a wire-laying rod.
4. A soil motion attitude monitoring box according to claim 3, wherein the exterior of the upper end of the wire placing rod is provided with an external thread-shaped wire placing table matched with the internal thread-shaped wire placing table.
5. The soil motion attitude monitoring box of claim 1, wherein the two attitude angle sensors are connected in parallel.
6. The soil motion attitude monitoring box of claim 1, wherein the wire fixing ring is a half-split wire fixing ring, and is bonded below the upper outlet hole in the hollow sphere through a water soluble adhesive, and the inner diameter of the wire fixing ring is slightly larger than the diameter of the upper outlet hole, and is used for fixing the power signal wire at the upper outlet hole of the monitoring box.
7. The soil motion attitude monitoring box of claim 1, wherein the attitude angle sensor is a three-dimensional attitude angle sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110290866.0A CN113008181B (en) | 2021-03-18 | 2021-03-18 | Soil motion gesture monitoring box |
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| CN202110290866.0A CN113008181B (en) | 2021-03-18 | 2021-03-18 | Soil motion gesture monitoring box |
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| CN113008181A CN113008181A (en) | 2021-06-22 |
| CN113008181B true CN113008181B (en) | 2022-02-11 |
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