CN208588345U - Dam profundal zone large deformation settlement observer - Google Patents
Dam profundal zone large deformation settlement observer Download PDFInfo
- Publication number
- CN208588345U CN208588345U CN201821098914.6U CN201821098914U CN208588345U CN 208588345 U CN208588345 U CN 208588345U CN 201821098914 U CN201821098914 U CN 201821098914U CN 208588345 U CN208588345 U CN 208588345U
- Authority
- CN
- China
- Prior art keywords
- dam
- fluid reservoir
- sensor
- protection pipe
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a kind of dam profundal zone large deformation settlement observers; utility model device is will to be fixed at dam foundation stabilization with the fluid reservoir for checking sensor; hydrostatic sensor is fixed in sedimentation plate; protection pipe flexible connection is sensed by double-layer hydraulic between fluid reservoir and hydrostatic sensor; and it is placed on dam foundation measured place; cut down hydraulic error amount caused by deep-water pressure and temperature change by checking sensor, to realize precise measurement requirement.The utility model structural principle is simple and reliable, it is easy to operate, it can be used for dam deepwater regions settlement observation, meet the requirement of dam settlement accuracy of observation, range and reliability, automation and informationization that automation module realizes measurement can be connected, measurement efficiency is substantially increased, dam settlement is can be widely applied to and observes safely.
Description
Technical field
The utility model relates to settlement monitoring technology fields more particularly to a kind of dam profundal zone large deformation settlement observation to fill
It sets.
Background technique
With being pushed further into for hydraulic engineering standardized management, the importance day of reservoir dam safety monitoring work is aobvious prominent
Out, it especially realizes the informationization of water conservancy safety monitoring and automation is current water conservancy safety monitoring important trend.By ground
Matter and Dam Construction historical conditions influence, and many dam foundations are directly built on weak soil and batholith coating, lead to dam water storage
The inhomogeneities of sedimentation and deformation and large deformation sufferer are prominent after operation, especially at the dam upstream batter dam foundation, by library water pressure shadow
Maximum is rung, therefore, dam foundation large deformation settlement monitoring (especially at dam foundation upstream batter) is dam important safety indicators of dynamic monitoring and assessment
One of.
Dam settlement monitoring generallys use sedimentation bar, water-pipe type settlement instrument, conventional hydraulic formula sedimentometer or electromagnetic type sedimentation
Instrument, but be limited to dam upstream batter height and cover water, the influence of large deformation operating mode feature, often the following limitations exist:
1, settle bar: the dam upstream batter dam foundation covers water depth up to 10m, and settling bar need to expose the surface, and settle pole length mistake
Long and easy shaking, causes measurement accuracy poor, it is difficult to meet dam safety monitoring requirement.
2, waterpipe type settles sedimentometer: water-pipe type settlement instrument requires measurement point and observation room elevation almost the same, and uses
It is manually entered measurement room reading, cannot achieve and cover water operation.
3, conventional hydraulic formula sedimentometer: settlement observation purpose is realized by hydraulic pressure difference between sensor, although meeting dam
Measurement accuracy and range requirement, but fluid reservoir and sensor depth displacement cannot be greater than 3m, fluid reservoir and sensor need atmosphere together with,
To eliminate the hydraulic measurement error of sedimentation caused by change of atmospheric pressure, it is difficult to meet dam upstream batter dam foundation height and cover water, large deformation
Operating mode feature requirement.
4, electromagnetic type sedimentometer: electromagnetic type settlement instrument need to drill it is embedded, and by sedimentation pipe draw water level more than, due to meeting
Dam foundation 10m usually below reservoir level in water slope cannot generally use electromagnetic type settlement instrument.
To sum up, conventional dam settlement measurement means be difficult to meet dam upstream batter dam foundation height cover water, large deformation it is heavy
Test Cycle requirement is dropped, not yet finds the settlement instrument for being suitable for the operating condition at present.Therefore it develops and is suitable for dam upstream batter dam
Height covers water at base, the settlement observation instrument of large deformation operating condition shows more important.
Utility model content
In order to adapt to the settlement observation working condition requirement that dam upstream batter dam foundation height covers water, large deformation, conventional sedimentation prison is made up
The blank under the operating condition is surveyed, the utility model provides a kind of dam profundal zone large deformation settlement observer.This is practical new
The technical solution of type are as follows:
Dam profundal zone large deformation settlement observer, including it is fluid reservoir datum mark, liquid settlement systems, sedimentation plate, double
Layer hydraulic sensing protection pipe, the liquid settlement systems include checking sensor, fluid reservoir, hydrostatic sensor, sensor electricity
Cable is checked sensor and is fixed at the top cavity of fluid reservoir, and fluid reservoir is fixed on fluid reservoir datum, hydrostatic sensor
It is fixed in sedimentation plate, sedimentation plate is fixed on dam foundation measured place；Fluid reservoir and hydrostatic sensor are sensed by double-layer hydraulic
Protection pipe flexible connection；Sensor cable line includes hydrostatic sensor cable and check sensor cable line, sensor cable
Line leads to dam top measuring table, and connects automation and take module.
The fluid reservoir has transparent organic matter cloche, and fluid reservoir top is equipped with inlet, and lower part is equipped with liquid outlet.
The double-layer hydraulic sensing protection pipe includes hydraulic tube, protection pipe, pressure pipe connection sealing element, releases fluid valve, the liquid
Through in seal protection pipe, each section of hydraulic tube connects sealing element by pressure pipe with seal protection pipe and realizes concatenation, string pressure pipe
The port of the double-layer hydraulic sensing protection pipe connected is separately connected fluid reservoir lower part liquid outlet and hydrostatic sensor, and double-layer hydraulic passes
Fluid valve is released in the tail end setting of sense protection pipe, and the hydraulic tube and protection pipe are all made of flexible material, and the connection of each component is equal
Underwater Anti-seeping technology is carried out using glass cement, adhesive tape and Seal Oil.
The fluid reservoir datum mark includes fluid reservoir protective case, datum mark platform, fixed sleeve part, and the fluid reservoir is logical
It crosses fixed sleeve part to be fixed on datum mark platform, and protection pipe is sensed by double-layer hydraulic and connects hydrostatic sensor, liquid storage debugging
Afterwards, it places fluid reservoir protective case and is fixed on datum mark platform by fixed sleeve part.
The sedimentation plate includes sedimentation plate, sensor protection box and fixing piece, and the sensor protection box is perforation
Formula protecting box is welded on sedimentation plate and is fixed on dam foundation measured place by fixing piece.
When measurement point sedimentation plate settles, the variation of elevation between sedimentation plate and fluid reservoir will be caused, by hydraulic
The sensor measurement hydraulic changing value, while deep water hydraulic pressure and temperature are cut down by the check sensor at fluid reservoir upper cavity
Hydraulic error caused by degree variation, goes out high difference eventually by Conversion Calculation, compares with last time measurement, can calculate
Measurement point sedimentation value.
The utility model passes through fluid pressure type the utility model has the advantages that the utility model dam profundal zone large deformation settlement observer
Sedimentometer measures the depth displacement between hydrostatic sensor and fluid reservoir, and passes through the check sensor at fluid reservoir upper cavity
To cut down the hydraulic measurement error due to caused by deep-water pressure and temperature change, and then the sedimentation of precise measurement dam foundation.Liquid storage
Tank and hydrostatic sensor are using flexible connection, and not by dam foundation settlement influence, and complete unit is arranged under water, only needs to pass
Sensor cable line is drawn, and is not affected by the external environment, and improves the reliability of device, while sensor and fluid reservoir are to bury with platform
If meeting the millimetre-sized requirement (thousand classifications that precision is generally range) of measurement accuracy in moment sensor 3m, meet dam survey
Accuracy of measurement and range requirement.The utility model structural principle is simple and reliable, easy to operate, can be used for the sedimentation of dam deepwater regions and sees
It surveys, meets the requirement of dam settlement accuracy of observation, range and reliability, automation module can be connected and realize Automatic survey, greatly
Measurement efficiency is improved greatly, dam settlement is can be widely applied to and observes safely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- fluid reservoir datum mark；11- fluid reservoir protective case；12- datum mark platform；13- fixed sleeve part；2- sedimentation
Disk；21- settles plate；22- sensor protection box；23- fixing piece；3- double-layer hydraulic senses protection pipe；31- protection pipe；32- is hydraulic
Pipe；33- pressure pipe connects sealing element；34- releases fluid valve；4- liquid settlement systems；41- hydrostatic sensor；42- checks sensing
Device；43- fluid reservoir；44- liquid outlet；45- inlet；46- sensor cable line.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, the utility model dam profundal zone large deformation settlement observer, including fluid reservoir datum mark 1, liquid
Pressure type sedimentometer 4, sedimentation plate 2, double-layer hydraulic sense protection pipe 3, the liquid settlement systems 4 include check sensor 42,
Fluid reservoir 43, hydrostatic sensor 41, sensor cable line 46 are checked sensor 42 and are fixed at the top cavity of fluid reservoir 43,
Fluid reservoir 43 is fixed at fluid reservoir datum mark 1, and hydrostatic sensor 41 is fixed in sedimentation plate 2, and sedimentation plate 2 is fixed on Dam
Base measured place；Fluid reservoir 43 and hydrostatic sensor 41 sense protection pipe 3 by double-layer hydraulic and are flexibly connected；Sensor cable line 46
Including 41 cable of hydrostatic sensor and 42 cable of sensor is checked, it is flat that sensor cable line 46 leads to dam top measurement
Platform, and connect automation and take module；Whole device is formed can be with the closed system of self check.
The fluid reservoir 43 has transparent organic matter cloche, and 43 top of fluid reservoir is equipped with inlet 45, and lower part is equipped with
Liquid outlet 44.
The double-layer hydraulic sensing protection pipe 3 includes hydraulic tube 32, protection pipe 31, pressure pipe connection sealing element 33, releases
Fluid valve 34, for the hydraulic tube 32 through in seal protection pipe 31, each section of hydraulic tube 32 and seal protection pipe 31 pass through pressure
Solenoid connects confidential paper 33 and realizes concatenation, and double-layer hydraulic sensing 3 port of protection pipe concatenated is separately connected 43 lower part of fluid reservoir and goes out
Fluid valve 34 is released in liquid mouth 44 and hydrostatic sensor 41, tail end setting, and the hydraulic tube 32 and protection pipe 31 are all made of flexible material
Material, the connection of each component are all made of glass cement, adhesive tape and Seal Oil and carry out underwater Anti-seeping technology.
The fluid reservoir datum mark 1 includes fluid reservoir protective case 11, datum mark platform 12, fixed sleeve part 13, described
Fluid reservoir 43 is fixed on datum mark platform 12 by fixed sleeve part 13, is sensed protection pipe 3 by double-layer hydraulic and is connected hydraulic biography
After sensor 41 after liquid storage debugging, places fluid reservoir protective case 11 and be fixed on datum mark platform 12 by fixed sleeve part 13.
The sedimentation plate 2 includes sedimentation plate 21, sensor protection box 22 and fixing piece 23, the sensor protection box
22 be through protecting box, is welded on sedimentation plate 21 and is fixed on dam foundation measured place by fixing piece 23.
When measurement point sedimentation plate 2 settles, the variation of elevation between sedimentation plate 2 and fluid reservoir 43 will be caused, passed through
Hydrostatic sensor 41 measures the hydraulic changing value, while cutting down depth by the check sensor 42 at 43 upper cavity of fluid reservoir
Hydraulic error caused by water hydraulic pressure and temperature change goes out high difference eventually by Conversion Calculation, compares with last time measurement,
Measurement point sedimentation value can be calculated.
The observation method of the utility model dam profundal zone large deformation settlement observer, comprises the following steps:
A, it is vented inspection or newly-built dam water storage early period (tested upstream batter dam foundation platform exposure) in dam, determines sedimentation plate
2 and fluid reservoir datum mark 1 position.Wherein fluid reservoir datum mark 1 is arranged at dam foundation two sides basement rock or settlement stability, fluid reservoir
43 slightly above 2 measurement point of sedimentation plate, height differences are not more than 1m.
B, according to the position of sedimentation plate 2 and fluid reservoir datum mark 1, by the fixed sedimentation plate 2 of fixing piece 23 in dam foundation
Place, pours fluid reservoir datum mark platform 12, area is with 0.5m2It is advisable.
C, fixed sensor 42 of checking fixes fluid reservoir 43 at 43 upper cavity of fluid reservoir, and through fixed sleeve part 13
At datum mark platform 12.
D, according to the spacing of sedimentation plate 2 and fluid reservoir datum mark 1, the length of hydraulic tube 32 and protection pipe 31 has been intercepted in advance
Degree, hydraulic tube 32 is serially connected in protection pipe 31, is connected sealing element 33 by pressure pipe and is contacted each section of hydraulic tube 32 and protection pipe
31, and the port of the double-layer hydraulic contacted sensing protection pipe 3 is separately connected 43 lower part liquid outlet 44 of fluid reservoir and hydraulic biography
Sensor 41.
E, fluid valve 34 is released in double-layer hydraulic sensing 3 tail end of protection pipe arrangement, pours into foot in the inlet 45 of fluid reservoir 43
Measurement liquid, measurement liquid, which should not cover, checks sensor 42, and opening releases fluid valve 34, makes the liquid of double-layer hydraulic sensing protection pipe 3
After pressure pipe 32 is covered with measurement liquid and gas of not leaving a blank, closing releases fluid valve 34 and does closing waterproof.
F, fluid reservoir protective case 11 is covered and fixed, draws each sensor cable line 46 to dam top measuring table, and
Module is taken in connection automation.
G, measure each hydrostatic sensor 41 and check the reading of sensor 42, after stable reading, by with initial reading
Quantity difference conversion obtain the sedimentation value H of sedimentation plate 2.
The calculation formula of sedimentation value H are as follows:
H=(FA-n-FSchool-n)/G-(FA-1-FSchool -1)/G
In formula: FA-nFor the n-th pressure measuring value of A sedimentation plate 2；
FSchool-n, for the n-th pressure measuring value for checking sensor 42；
FA-1For the 1st pressure measuring value of A sedimentation plate 2；
FSchool -1For the 1st pressure measuring value for checking sensor 42；
G is measurement liquid mass density.
The utility model is described in above-described embodiment combination attached drawing, and but it cannot be understood as practical to this
The limitation of new patent range, it is noted that for those of ordinary skill in the art, practical new not departing from this
Under the premise of type is conceived, various modifications and improvements can be made, these belong to the protection scope of the utility model.
Claims (5)
1. dam profundal zone large deformation settlement observer, including fluid reservoir datum mark (1), liquid settlement systems (4), sedimentation plate
(2), double-layer hydraulic sensing protection pipe (3), it is characterised in that: the liquid settlement systems (4) include check sensor (42),
Fluid reservoir (43), hydrostatic sensor (41), sensor cable line (46) check sensor (42) and are fixed on the upper of fluid reservoir (43)
At square cavity, fluid reservoir (43) is fixed at fluid reservoir datum mark (1), and hydrostatic sensor (41) is fixed in sedimentation plate (2), is sunk
Drop disk (2) is fixed on dam foundation measured place；Fluid reservoir (43) and hydrostatic sensor (41) sense protection pipe by double-layer hydraulic
(3) it is flexibly connected；Sensor cable line (46) includes hydrostatic sensor (41) cable and checks sensor (42) cable, is passed
Sensor cable line (46) leads to dam top measuring table, and connects automation and take module.
2. large deformation settlement observer in dam profundal zone according to claim 1, it is characterised in that: the fluid reservoir
(43) transparent organic matter cloche is had, fluid reservoir (43) top is equipped with inlet (45), and lower part is equipped with liquid outlet (44).
3. large deformation settlement observer in dam profundal zone according to claim 1, it is characterised in that: the double-deck liquid
Pressure sensing protection pipe (3) includes hydraulic tube (32), protection pipe (31), pressure pipe connection sealing element (33), releases fluid valve (34), institute
For the hydraulic tube (32) stated through in seal protection pipe (31), each section of hydraulic tube (32) and seal protection pipe (31) pass through pressure pipe
It connects sealing element (33) and realizes concatenation, the port of double-layer hydraulic sensing protection pipe (3) concatenated is separately connected fluid reservoir (43)
Fluid valve (34), institute are released in the tail end setting of lower part liquid outlet (44) and hydrostatic sensor (41), double-layer hydraulic sensing protection pipe (3)
The hydraulic tube (32) and protection pipe (31) stated are all made of flexible material.
4. large deformation settlement observer in dam profundal zone according to claim 1, it is characterised in that: the fluid reservoir
Datum mark (1) includes fluid reservoir protective case (11), datum mark platform (12), fixed sleeve part (13), and the fluid reservoir (43) is logical
It crosses fixed sleeve part (13) to be fixed on datum mark platform (12), be placed in fluid reservoir protective case (11).
5. large deformation settlement observer in dam profundal zone according to claim 1, it is characterised in that: the sedimentation plate
It (2) include sedimentation plate (21), sensor protection box (22) and fixing piece (23), the sensor protection box (22) is through
Protecting box is welded in sedimentation plate (21) and is fixed on dam foundation measured place by fixing piece (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098914.6U CN208588345U (en) | 2018-07-12 | 2018-07-12 | Dam profundal zone large deformation settlement observer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098914.6U CN208588345U (en) | 2018-07-12 | 2018-07-12 | Dam profundal zone large deformation settlement observer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208588345U true CN208588345U (en) | 2019-03-08 |
Family
ID=65540685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098914.6U Active CN208588345U (en) | 2018-07-12 | 2018-07-12 | Dam profundal zone large deformation settlement observer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208588345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731635A (en) * | 2018-07-12 | 2018-11-02 | 浙江省水利水电勘测设计院 | A kind of dam profundal zone large deformation settlement observer and method |
-
2018
- 2018-07-12 CN CN201821098914.6U patent/CN208588345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731635A (en) * | 2018-07-12 | 2018-11-02 | 浙江省水利水电勘测设计院 | A kind of dam profundal zone large deformation settlement observer and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108731635A (en) | A kind of dam profundal zone large deformation settlement observer and method | |
| CN104697496B (en) | Split type static hydraulic pressure difference settlement monitoring system and installation method thereof | |
| CN103868569A (en) | Device and setting method for measuring underground water level of vacuum drainage prepressing sealing membrane | |
| CN104406568B (en) | Device and method for monitoring settlement of ground surface in deep water area | |
| CN205537607U (en) | Automatic settlement observation appearance | |
| CN203824621U (en) | Device for detecting and testing nested static force water level balanced type measuring weir water gauge | |
| CN102269578A (en) | Device for measuring vertical deformation of spatial structure | |
| CN102392635A (en) | Underground well water level observation device | |
| Adamo et al. | Dam safety: use of instrumentation in dams | |
| CN208588345U (en) | Dam profundal zone large deformation settlement observer | |
| CN208254458U (en) | Soft base deepwater diking settlement monitoring device | |
| Wilson | Investigation of embankment performance | |
| CN106403889A (en) | Hydrostatic leveling instrument | |
| CN104596477A (en) | Transformer substation foundation settlement monitoring method | |
| CN103512550B (en) | Deepwater embankment foundation settlement viewer | |
| CN112195903B (en) | Device and method for measuring rock-soil layer settlement and application | |
| CN110243438A (en) | A kind of weir seepage intellectual monitoring integrating device and its measurement method | |
| CN203642910U (en) | Dual-pore water pressure gauge-based settlement measurement device and system | |
| CN202273672U (en) | Water level observation device for underground well | |
| CN108444441A (en) | A kind of earth and rockfill dam inside settlement monitoring device and method | |
| CN201803708U (en) | Device for measuring vertical deformation of space structure | |
| CN202710046U (en) | Deepwater embankment foundation settlement viewer | |
| KR101082499B1 (en) | Measuring apparatus for settlment of ground surface | |
| CN109282790B (en) | Parallel deep multi-point static leveling system and method for pile foundation | |
| CN209243791U (en) | A kind of foundation pit construction parameter detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310002, No. 66, Funing lane, Shangcheng District, Zhejiang, Hangzhou Patentee after: Zhejiang water resources and Hydropower Survey and Design Institute Co.,Ltd. Address before: 310002, No. 66, Funing lane, Shangcheng District, Zhejiang, Hangzhou Patentee before: ZHEJIANG DESIGN INSTITUTE OF WATER CONSERVANCY & HYDROELECTRIC POWER |
|
| CP01 | Change in the name or title of a patent holder |