CN221218912U - Position calibration and detection device of inclinometer pipe for monitoring deep horizontal displacement of deep foundation pit - Google Patents
Position calibration and detection device of inclinometer pipe for monitoring deep horizontal displacement of deep foundation pit Download PDFInfo
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- CN221218912U CN221218912U CN202322179508.XU CN202322179508U CN221218912U CN 221218912 U CN221218912 U CN 221218912U CN 202322179508 U CN202322179508 U CN 202322179508U CN 221218912 U CN221218912 U CN 221218912U
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- inclinometer
- inclinometer pipe
- pipe
- magnetic ring
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 2
- 239000000523 sample Substances 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a position calibration and detection device of an inclinometer pipe for monitoring deep horizontal displacement of a deep foundation pit, which comprises the inclinometer pipe, a magnetic ring and a magneto-electric detector for detecting the magnetic ring, wherein the inclinometer pipe is fixed on a wall-connected steel reinforcement cage, the magnetic ring is arranged at the top of the inclinometer pipe and is used for calibrating the position of the inclinometer pipe, and the position of the magnetic ring is detected through the magneto-electric detector, so that the specific position of the inclinometer pipe can be timely and effectively detected. The position detecting device of the inclinometer utilizes the magnetoelectric induction principle, and a special magnetic ring is sleeved on the inclinometer, so that when the probe of the magnetoelectric detector detects the position of the magnetic ring, the magnetic flux of the detector changes to cause the pointer of the detector to fluctuate, thereby finding the exact position of the inclinometer.
Description
Technical Field
The utility model relates to the technical field of deep foundation pit monitoring, in particular to a position calibration and detection device of an inclinometer pipe for deep horizontal displacement monitoring of a deep foundation pit.
Background
The deep horizontal displacement monitoring is one of the necessary indexes of the deep foundation pit, can effectively reflect the deep displacement deformation development rule of the supporting structure, and is important for foundation pit stability analysis, foundation pit risk assessment and timely effective construction measures.
At present, according to different supporting structure types and deep foundation pit excavation processes, the installation methods of the inclinometer pipes for deep horizontal displacement monitoring are different, especially for ultra-deep (large) foundation pits in cities, structures with good supporting effects, such as underground continuous wall supporting, cast-in-place pile supporting and steel supporting, are usually adopted before excavation, especially for underground continuous wall and cast-in-place pile supporting structures, the inclinometer pipes need to be bound on reinforcement cages in advance, then the inclinometer pipes are placed in pre-excavation grooves along excavation edges of the foundation pits and concrete is poured for forming, crown beams are required to be manufactured at the tops of the formed underground continuous wall or cast-in-place pile for increasing the integrity and supporting strength of the supporting structures, the concrete at the tops of the formed underground continuous wall and cast-in-place pile are required to be removed for cleaning, the concrete at the tops of the underground continuous wall and the cast-in-place pile by the chiseling process, the concrete blocks which are removed after the inside of the inclined-in-place pile supporting is destroyed in the chiseling process cannot be found in time or even, so that later monitoring work cannot be carried out smoothly, in order to solve the problems generally, the concrete blocks cannot be accurately measured around the inclined-place pipe, the concrete cannot be accurately measured, and the construction data cannot be accurately measured, and the concrete cannot be estimated, and the construction situation cannot be safely and the construction situation cannot be guaranteed is guaranteed.
Therefore, in order to ensure the smooth implementation of the monitoring work of the deep horizontal displacement of the supporting structure in the construction process, a position calibration and detection device suitable for the inclinometer pipe for monitoring the deep horizontal displacement of the deep foundation pit supporting structure is designed.
Disclosure of utility model
The application aims at solving the technical defects existing in the prior art and provides a position calibration and detection device of an inclinometer pipe for monitoring deep horizontal displacement of a deep foundation pit.
The technical scheme adopted for realizing the purpose of the application is as follows:
The utility model provides a deep horizontal displacement of deep foundation ditch monitors with position calibration and detection device of inclinometer pipe, includes inclinometer pipe, magnetic force ring and surveys the magnetoelectric detector of magnetic force ring, the inclinometer pipe is fixed on the wall steel reinforcement cage even, the magnetic force ring sets up at the top of inclinometer pipe for the position of inclinometer pipe is calibrated.
In the technical scheme, the inner diameter of the magnetic force ring is larger than the outer diameter of the inclinometer pipe.
In the technical scheme, the top end of the inclinometer pipe is provided with the galvanized pipe.
In the technical scheme, the inclinometer pipes are of a sectional assembly type structure, and each section of inclinometer pipes are connected through the pipe hoop.
In the technical scheme, the first section of inclinometer pipe is bound at 50cm-100cm higher than the first transverse rib of the wall-connected reinforcement cage.
In the above technical scheme, the magneto-electricity detector is a magneto-electricity induction device.
The beneficial effects of the utility model are as follows:
1. The position detecting device of the inclinometer utilizes the magnetoelectric induction principle, and a special magnetic ring is sleeved on the inclinometer, so that when the probe of the magnetoelectric detector detects the position of the magnetic ring, the magnetic flux of the detector changes to cause the pointer of the detector to fluctuate, thereby finding the exact position of the inclinometer.
2. The position detection device of the inclinometer can timely and effectively detect the specific position of the inclinometer, solves a series of hidden troubles existing in the traditional deep horizontal displacement monitoring, such as: after the concrete at the top of the supporting structure is manufactured, the manual searching is time-consuming and labor-consuming, and even the inclinometer pipe cannot be found at all; the concrete position of the inclinometer pipe cannot be found and cannot be monitored, so that the safety construction of the foundation pit is difficult to ensure; later drilling and burying the inclinometer pipe take time, labor and cost, and the deformation of the supporting structure cannot be truly reflected.
3. The position detection device of the inclinometer is simple in structure and operation, convenient to install, embed and use, low in manufacturing cost, capable of effectively detecting the specific position of the inclinometer, and high in controllability and practicality.
Drawings
In order to more clearly illustrate the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a position detecting device according to the present utility model.
In the figure: 1-inclinometer, 1-1-pipe hoop, 2-magnetic force ring, 3-magneto-electric detector.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following describes the technical scheme of the present utility model with reference to specific embodiments.
The utility model provides a deep horizontal displacement of deep foundation ditch monitors with position calibration and detection device of survey pipe, includes survey pipe 1, magnetic force ring 2 and surveys the magnetoelectric detector 3 of magnetic force ring 2, survey pipe 1 is fixed on the wall steel reinforcement cage even, magnetic force ring 2 sets up at the top of survey pipe 1 for the position of survey pipe 1 is surveyed the position of magnetic force ring 2 through magnetoelectric detector 3, thereby in time, effectual concrete position that surveys the survey pipe. The inner diameter of the magnetic ring 2 is larger than the outer diameter of the inclinometer pipe 1, so that the magnetic ring 2 can be sleeved into the inclinometer pipe 1 from the top end of the inclinometer pipe 1. The magnetoelectric detector 3 is a magnetoelectric induction device, and after the magnetoelectric detector 3 detects the magnetic force ring 2, the instrument pointer of the magnetoelectric detector 3 fluctuates, so that the position of the inclinometer 1 where the magnetic force ring 2 is positioned is judged.
Further, a galvanized pipe is arranged at the top end of the inclinometer pipe 1 and used for protecting the inclinometer pipe 1.
Furthermore, the inclinometer pipe 1 is of a sectional assembly type structure, each section of inclinometer pipe is connected through the pipe hoop 1-1, and when the magnetic force ring 2 is sleeved into the inclinometer pipe 1 from the top end of the inclinometer pipe 1, the inclinometer pipe slides to the position of the first pipe hoop 1-1.
Further, the first section of inclinometer pipe 1 is bound at 50cm-100cm higher than the first transverse rib (concrete chiseling position) of the wall-connected reinforcement cage.
A position calibration and detection method of an inclinometer pipe for monitoring deep horizontal displacement of a deep foundation pit comprises the following steps:
Step 1, assembling and forming a position calibration and detection device of an inclinometer pipe for monitoring deep horizontal displacement of a deep foundation pit according to the assembly sequence of all parts, placing a reinforcement cage fixed with the inclinometer pipe 1 into a pre-digging groove, and pouring concrete to form a ground continuous wall;
Step 2, chiseling concrete on the top of the diaphragm wall before excavation of the foundation pit, detecting the chiseling position of the concrete by using a magneto-electric detector 3 after the chiseling of the concrete is finished, and judging the position of the inclinometer 1 where the magneto-electric detector 2 is positioned when the magneto-electric detector 3 detects the magnetic ring 2 on the top of the inclinometer 1 and the meter pointer of the magneto-electric detector 3 fluctuates;
and step 3, cleaning the inclinometer pipe 1 from the detection position, and connecting a plurality of sections of inclinometer pipes 1 to the top end of the inclinometer pipe 1 to enable the inclinometer pipe 1 to be 20cm-30cm higher than the designed elevation of the top of the crown beam.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (4)
1. The position calibration and detection device of the inclinometer pipe for deep horizontal displacement monitoring of the deep foundation pit is characterized by comprising the inclinometer pipe, a magnetic ring and a magneto-electric detector for detecting the magnetic ring, wherein the inclinometer pipe is fixed on a wall-connected reinforcement cage, and the magnetic ring is arranged at the top of the inclinometer pipe and used for calibrating the position of the inclinometer pipe;
A galvanized pipe is arranged at the top end of the inclinometer pipe;
the inclinometer is of a sectional assembly type structure, and each section of inclinometer is connected through a pipe hoop.
2. The position calibration and detection device according to claim 1, wherein the inner diameter of the magnetic ring is larger than the outer diameter of the inclinometer pipe.
3. The position calibration and detection device according to claim 1, wherein the first section of inclinometer pipe is bound at a distance of 50cm-100cm above the first transverse rib of the wall-connected reinforcement cage.
4. The position calibration and detection device according to claim 1, wherein the magneto-electric detector is a magneto-electric induction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322179508.XU CN221218912U (en) | 2023-08-14 | 2023-08-14 | Position calibration and detection device of inclinometer pipe for monitoring deep horizontal displacement of deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322179508.XU CN221218912U (en) | 2023-08-14 | 2023-08-14 | Position calibration and detection device of inclinometer pipe for monitoring deep horizontal displacement of deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218912U true CN221218912U (en) | 2024-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322179508.XU Active CN221218912U (en) | 2023-08-14 | 2023-08-14 | Position calibration and detection device of inclinometer pipe for monitoring deep horizontal displacement of deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221218912U (en) |
-
2023
- 2023-08-14 CN CN202322179508.XU patent/CN221218912U/en active Active
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