CN207717072U - The smaller hydraulic sensing component of error - Google Patents
The smaller hydraulic sensing component of error Download PDFInfo
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- CN207717072U CN207717072U CN201721361607.8U CN201721361607U CN207717072U CN 207717072 U CN207717072 U CN 207717072U CN 201721361607 U CN201721361607 U CN 201721361607U CN 207717072 U CN207717072 U CN 207717072U
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Abstract
The utility model is related to the technical fields of hydraulic sensing, disclose the smaller hydraulic sensing component of error, including be arranged fixed position fiducial and measuring point component in measured position is set, the position of measuring point component is less than fiducial, measuring point component has spherical measuring point cavity, fiducial has spherical benchmark cavity, measuring point cavity is connected to benchmark cavity by connecting tube, measuring point cavity and injection liquid in reference cavity body, in this way hydraulic pressure is formed in measuring point cavity, liquid in reference cavity body is formed with datum level, keep the height and position of datum level constant, the soil body for changing to calculate point position by the hydraulic pressure in measuring point cavity settles situation, spherical benchmark cavity and measuring point cavity makes fiducial or measuring point component not to change small rotation reference liquid level occurs, without leveling.The smaller hydraulic sensing component of error provided by the utility model improves the accuracy to the settlement monitoring of the soil body, reduces measurement error.
Description
Technical field
The utility model is related to the smaller hydraulic sensing components of the technical field of hydraulic sensing, especially error.
Background technology
During mud fills out extra large land-based area formation, generally require to the high-moisture percentages such as mud and muck soil, high hole
The high-compressibility soil layer of ratio carries out discharging consolidation processing, needs to carry out the rate of settling and accumulative settling amount during treatment of soft foundation
Overall process monitors, to control preloading loading speed, calculate settlement after construction, propose discharge time and evaluate treatment effect.
The surface subsidence monitoring for the treatment of of soft foundation at present is typically employed in earth's surface and places sedimentation mark, and in the overseas setting in monitoring section
Datum mark is compared sedimentation mark to measure, to be monitored to the earth's surface for the treatment of of soft foundation with datum mark.
And in order to which the soil body of the treatment of soft foundation engineering to large area is monitored, using the monitoring system of hydraulic sensing formula,
It is big by hydraulic pressure to form hydraulic pressure in system by the difference of height formed between monitoring position and reference point location
Small variation settles situation to monitor the soil body of monitoring position, however in this way, it is located at the benchmark liquid of reference point location
When face changes, it can cause the measurement of hydraulic pressure size that error occurs.
Utility model content
The smaller hydraulic sensing component of error provided by the utility model, it is intended to solve in the prior art to treatment of soft foundation
Engineering in, when being monitored to the sedimentation of the soil body using hydraulic sensing mode, the variation of datum level can cause after to liquid
Mistake occurs for the measurement of pressure, and then is unfavorable for the settlement monitoring to the soil body.
The utility model is realized in this way the hydraulic sensing component that error is smaller, including the base in fixed position is set
Prospective component and measuring point component in measured position is set, the position of the measuring point component is less than the fiducial, the survey
There is point component spherical measuring point cavity, the fiducial to have spherical benchmark cavity, the measuring point cavity and the base
Quasi- cavity is connected to by connecting tube, the measuring point cavity and injection liquid in the reference cavity body, the liquid in the reference cavity body
Body is formed with datum level, keeps the height and position of the datum level constant.
Further, the connecting tube detour arrangement, there are enough amount of tension.
Further, the measuring point component is embedded in the soil body surface of monitoring position or less.
Further, the measuring point component and the connecting tube carry out resistance to compression processing.
Further, the measuring point component is equipped with measuring point connector, and the measuring point connector is connected to the measuring point chamber
Body, one end of the connecting tube are connect with the measuring point connector, and sealing ring is equipped at link position.
Further, it is equipped with filling opening at the top of the fiducial, the filling opening is connected to the benchmark cavity.
Further, the benchmark cavity inner wall is equipped with the position sensor for detecting the datum level.
Further, the fiducial is equipped with base company's interface, and base company's interface is connected to the reference cavity
Body, the other end of the connecting tube are connect with base company's interface, and sealing ring is equipped at link position.
Compared with prior art, the smaller hydraulic sensing component of error provided by the utility model, by being provided with difference
The fiducial of height and measuring point component, benchmark cavity are connected to measuring point cavity, less than the survey in the measuring point component of fiducial
Point cavity is formed with hydraulic pressure, remain in datum level in reference cavity body it is constant in the case of, pass through the liquid in measuring point cavity
The soil body that pressure changes to calculate point position settles situation, and benchmark cavity and measuring point cavity are spherical shape so that benchmark
Component or measuring point component will not change small rotation reference liquid level occurs, and are not necessarily to leveling, effectively increase to the soil body
Settlement monitoring accuracy, reduce measurement error.Solution in the engineering to treatment of soft foundation, is passed in the prior art using hydraulic pressure
When sensing mode is monitored the sedimentation of the soil body, after causing to the measurement of hydraulic pressure mistake occurs for the variation of datum level, into
And it is unfavorable for the settlement monitoring to the soil body.
Description of the drawings
Fig. 1 is the floor map of the sensor-based system for the smaller sensory package of error that the utility model embodiment provides.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The realization of the utility model is described in detail below in conjunction with specific embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In retouching for the utility model
In stating, it is to be understood that if it is based on attached drawing to have the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right"
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore position described in attached drawing is closed
The term of system only for illustration, should not be understood as the limitation to this patent, for those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term as the case may be.
It is preferred embodiment provided by the utility model shown in referring to Fig.1.
The smaller hydraulic sensing component of error provided in this embodiment, for the soil body in treatment of soft foundation engineering settle into
Row monitoring, and reduce the measurement error of hydraulic sensing monitoring system.
The smaller hydraulic sensing component of error provided in this embodiment, including fiducial 11 and measuring point component 12, base
Prospective component 11 is arranged in fixed height and position, and measuring point component 12 is then arranged in measured position, and measuring point component 12, which is located at, to be surveyed
Height on position is less than fiducial 11, and there is measuring point component 12 measuring point cavity, fiducial 11 to have benchmark cavity
111, measuring point cavity is connected to benchmark cavity 111 by connecting tube 123, and injects liquid in measuring point cavity and benchmark premise
Body is higher than the measuring point component 12 that the liquid of the fiducial 11 of measuring point component 12 can be circulated by connecting tube 123, benchmark group in this way
Liquid in part 11 is then formed with datum level 112, keeps the height and position of this datum level 112 constant.
In this way, the height and position of datum level 112 is constant, the height and position variation of measuring point component 12 will change measuring point group
Hydraulic pressure size in part 12, when the soil body sedimentation in monitoring treatment of soft foundation engineering, the sedimentation of the soil body can drive measuring point group
12 height of part is lower, and measuring point component 12 and the relative altitude of datum level 112 become larger, and the hydraulic pressure in measuring point cavity can also increase,
To calculate the sedimentation situation of the soil body back through the change of hydraulic pressure in measuring point cavity, to realize that the sedimentation to the soil body is supervised
It surveys.
Also, the measuring point cavity provided in the present embodiment is spherical cavity, and benchmark cavity 111 is also spherical cavity, this
Sample will not make the datum level 112 in benchmark cavity 111 even if small rotation occurs for benchmark cavity 111 or measuring point cavity
Height change, and make fiducial 11 each without leveling, spherical reference cavity in reference for installation component 11
The liquid level position of a angle will not all change, and effectively increase the accuracy to the settlement monitoring of the soil body, reduce to measure and miss
Difference.
Also, when installing the fluid sensing systerm, the connecting tube 123 of connection measuring point component 12 and fiducial 11 is circuitous
Return arrangement, and there are enough amount of tension, the soil body can drive the movement of measuring point component 12 in sedimentation, measuring point component 12 by
It is connect in connecting tube 123, therefore connecting tube 123 can be pullled, have the connecting tube 123 of enough amount of tension will not be due to measuring point component
12 pull reversely involves measuring point component 12, and the stopping of measuring point component 12 is made to be moved with the soil body, therefore the company of detour arrangement
Take over 123 just solves the problems, such as this, it is therefore prevented that the measuring error of hydraulic pressure in soil body infall process, and cannot be effective right
The sedimentation of the soil body is monitored.
In addition, in order to enable measuring point component 12 fully to be moved with the soil body, will not by external interference, in the present embodiment,
Measuring point component 12 is embedded in the soil body surface of monitoring position hereinafter, in this way, in treatment of soft foundation engineering, in the work of soil body surface
Cheng Zuoye would not influence measuring point component 12, to keep the rear calculated data of institute of measurement accurate with family.
It is embedded in soil body surface measuring point component 12 below, is often squeezed by the soil body, the soil body is to measuring point component 12
Environmental stress can make the data of surveyed hydraulic pressure size and practical inconsistent, in addition, extruding of the soil body to connecting tube 123, then
Meeting extruded joint pipe 123 is unfavorable for the measurement to the hydraulic pressure size of measuring point component 12 to make datum level 112 change,
In order to solve these problems, resistance to compression processing carried out to measuring point component 12 and connecting tube 123, it is effective promoted measuring point component 12 with
The compressive property of connecting tube 123, to improve the accurate of the measurement to the hydraulic pressure size for being embedded in the measuring point component 12 in the soil body
Property.
In the present embodiment, measuring point component 12 is equipped with measuring point connector 121, and measuring point connector 121 is connected to measuring point cavity,
One end of connecting tube 123 is connect with measuring point connector 121, and sealing ring is equipped at the link position of the two.
Specifically, being installed on ring flange at the port of measuring point connector 121, it also is provided in the port of 123 one end of connecting tube
Ring flange, measuring point connector 121 and connecting tube 123 to docking, and are installed on sealing by flanged joint at docking location
Circle, makes measuring point connector 121 and the connection of connecting tube 123 even closer, is not easy leak liquid, prevents at link position in this way
Liquid leak out and the liquid level of datum level 112 made to change, and cause the settlement calculation mistake to the soil body, and lead to
Measuring point connector 121 and the connecting tube 123 for crossing flanged joint are easily disassembled, and other combined types is facilitated to install.
In addition, in fiducial 11, the top of fiducial 11 is equipped with filling opening 114, and filling opening 114 is connected to
Benchmark cavity 111 inevitably has the leakage of partially liq or the volatilization of liquid during with the settlement monitoring of the soil body, at this moment,
It will appear the datum level 112 in benchmark cavity 111 unavoidably and height change occur, and in order to keep highly constant benchmark at any time
Liquid level 112, in the filling opening 114 that top is equipped with, so that it may liquid be filled at any time, prevent datum level 112 from changing
Make, the error in data of situation is settled to the soil body obtained after measured calculation of hydraulic pressure.
Wherein, the density needs of the liquid injected are consistent, with the liquid in benchmark cavity 111 and measuring point cavity
Identical, in the present embodiment, the liquid filled is distilled water, and the density of distilled water is fixed, and source is more, and accuracy is high.
And in order to keep datum level 112 at any time, at any time from 114 filling liquid of filling opening to keep datum level
112, artificial filling liquid is often cumbersome, inconvenient, and is not easy to keep accurate liquid level position, therefore in reference cavity
It is equipped with position sensor in body 111, keeps the height of datum level 112 at any time.
Specifically, when the liquid level of liquid is less than datum level 112, position sensor receives feedback signal, makes filling opening
114 open, and filling liquid, when the liquid level of liquid touches datum level 112112, position sensor feedback makes filling opening
114 close, and stop filling liquid.
In addition, fiducial 11 is equipped with base company's interface 113, base company's interface 113 is connected to benchmark cavity 111, even
The other end of take over 123 is connect with base company interface 113, and sealing ring is equipped at the link position of the two.
Specifically, being installed on ring flange at the port of base company's interface 113, also set in the port of 123 other end of connecting tube
There is a ring flange, base company's interface 113 and connecting tube 123 to docking, and are installed at docking location close by flanged joint
Seal makes base company's interface 113 and the connection of connecting tube 123 even closer, is not easy leak liquid, prevents in link position in this way
The liquid at place leaks out and the liquid level of datum level 112 is made to change, and causes the settlement calculation mistake to the soil body, and
It is easily disassembled by the base company's interface 113 and connecting tube 123 of flanged joint, facilitate other combined types to install.
In addition, the device for measuring required hydraulic pressure is pressure sensor 122, the setting of pressure sensor 122 is measuring cavity
Bottom, the pressure of such liquid makes to act perpendicularly to pressure sensor 122, the hydraulic pressure surveyed and pressure sensor 122 and base
Relative height differential between quasi- liquid level 112 is proportional, the convenient calculating to soil body settling height.
Also, it is equipped with measuring point pedestal 123 in 12 bottom of measuring point component, is lain in a horizontal plane in the soil body so that it is convenient to measuring point group
Part 12 is placed in stablizing for inside soil body, is not susceptible to tilt, the sedimentation situation calculated after measuring pressure to keep is accurate.
It is that directly fiducial 11 is arranged in soft base engineering, therefore connects under fiducial 11 in the present embodiment
It is connected to benchmark column, benchmark column directly extends fixed to the hard rock soil layer stablized under the soft base soil body.
Specifically, in order to realize that the installation of benchmark column is fixed, using drilling machine in scheduled reference position drilling hole position, hole depth
Reach the hard rock soil layer that the soil body of soft base or less is stablized, it is heavy in the soil body of the position of the soil body of the soft base of drilled position and soft base
When being depressured contracting on the soil body position of coverage, benchmark protective case is set, benchmark protective case is connected to stable hard rock soil layer, and
And the above 1m above ground level, the then casting concrete in benchmark protective case use coagulation in this way so as to form benchmark column
The benchmark column that soil is fabricated to, the hard rock soil layer will not move make benchmark column more stablize, and datum level as benchmark
112 stablize, and measured data are more accurate.
In other examples, fiducial 11 can also be amplified to, the soil that also will not move unexpected to measurement range
Body is as reference.
In addition pressure sensor 122 is connect by being electrically connected with data acquisition module, to collect the hydraulic pressure number measured
According to.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. the smaller hydraulic sensing component of error, which is characterized in that including fiducial and setting in fixed position is arranged
It is less than the fiducial in the position of the measuring point component of measured position, the measuring point component, the measuring point component has spherical shape
Measuring point cavity, the fiducial has spherical benchmark cavity, and the measuring point cavity passes through with the benchmark cavity to be connect
Pipe is connected to, and the measuring point cavity is formed with benchmark liquid with liquid, the liquid in the reference cavity body is injected in the reference cavity body
Face keeps the height and position of the datum level constant.
2. the smaller hydraulic sensing component of error as described in claim 1, which is characterized in that the connecting tube detour arrangement,
There are enough amount of tension.
3. the smaller hydraulic sensing component of error as described in claim 1, which is characterized in that the measuring point component is embedded in prison
Below the soil body surface that location is set.
4. the smaller hydraulic sensing component of error as claimed in claim 3, which is characterized in that the measuring point component and described
Connecting tube carries out resistance to compression processing.
5. such as the smaller hydraulic sensing component of Claims 1-4 any one of them error, which is characterized in that the measuring point group
Part is equipped with measuring point connector, and the measuring point connector is connected to the measuring point cavity, one end of the connecting tube and the survey
Point connector connection, and sealing ring is equipped at link position.
6. the smaller hydraulic sensing component of error as described in claim 1, which is characterized in that be equipped at the top of the fiducial
Filling opening, the filling opening are connected to the benchmark cavity.
7. the smaller hydraulic sensing component of error as claimed in claim 6, which is characterized in that the benchmark cavity inner wall is equipped with
Detect the position sensor of the datum level.
8. such as the smaller hydraulic sensing component of Claims 1-4 any one of them error, which is characterized in that the benchmark group
Part is equipped with base company's interface, and base company's interface is connected to the benchmark cavity, the other end of the connecting tube with it is described
Base company's interface connection, and sealing ring is equipped at link position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361607.8U CN207717072U (en) | 2017-10-19 | 2017-10-19 | The smaller hydraulic sensing component of error |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361607.8U CN207717072U (en) | 2017-10-19 | 2017-10-19 | The smaller hydraulic sensing component of error |
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| Publication Number | Publication Date |
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| CN207717072U true CN207717072U (en) | 2018-08-10 |
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| CN201721361607.8U Active CN207717072U (en) | 2017-10-19 | 2017-10-19 | The smaller hydraulic sensing component of error |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044330A (en) * | 2019-04-26 | 2019-07-23 | 中铁十六局集团地铁工程有限公司 | A kind of tunnel roof surrounding rock displacement measuring device and method |
-
2017
- 2017-10-19 CN CN201721361607.8U patent/CN207717072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044330A (en) * | 2019-04-26 | 2019-07-23 | 中铁十六局集团地铁工程有限公司 | A kind of tunnel roof surrounding rock displacement measuring device and method |
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