CN105674954A - Transparent double-measurement-system static force level gauge and use method thereof - Google Patents
Transparent double-measurement-system static force level gauge and use method thereof Download PDFInfo
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- CN105674954A CN105674954A CN201610239228.5A CN201610239228A CN105674954A CN 105674954 A CN105674954 A CN 105674954A CN 201610239228 A CN201610239228 A CN 201610239228A CN 105674954 A CN105674954 A CN 105674954A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
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Abstract
The invention relates to a transparent double-measurement-system static force level gauge and a use method thereof. The transparent double-measurement system static force level gauge is characterized in that a surface measurement ruler is arranged on the outer wall of a transparent liquid storage barrel, an air pressure balance hole is formed above the transparent liquid storage barrel and can be externally connected with an air pressure balance valve, a liquid inlet is formed below the transparent liquid storage barrel and can be externally connected with a liquid inflow valve, and a liquid communicating pipe is arranged at the bottom of the transparent liquid storage barrel; a magnetostrictive liquid level meter is arranged in the transparent liquid storage barrel and connected with a circuit module arranged on the transparent liquid storage barrel, and a vertical displacement indicator lamp is connected with the circuit module. When a measurement point is displaced vertically, a pressure difference exists between a reference point and the measurement point, the magnetostrictive liquid level meter in the static force level gauge is driven to extend and shrink, and the position of the liquid level where a floater is located can be precisely determined by measuring the time difference between pulse currents and torsional waves. In addition, double-system measurement is achieved through reading of the surface measurement ruler in the static force level gauge.
Description
Technical field
The present invention relates to a kind of transparent pair of measurement system hydrostatic level and using method thereof.
Background technology
In engineering construction and built building, owing to ground is uneven or building load difference, all can there is vertical vertical displacement, vertical vertical displacement observation is a very basic monitoring parameter in engineering construction, some vertical amplitude of vertical displacement allows in scope, some is then likely to result in the defect even catastrophic failure of construction quality, and the vertical vertical displacement observation of the engineering for completing is particularly important, typical such as dilapedated building, subway, bridge, the vertical vertical displacement of dam etc. will shine into great accident, cause great casualties and other social dangers. therefore with Monitoring Data for according to being managed engineering being extremely necessary.
Capital construction recently as country gets more and more, and accident resulting from poor quality of projects is further frequent. and the service life of much heavy constructions is also frequently to the time limit, it is necessary to monitor it and run health. vertical vertical displacement amount is a critically important parameter of engineering health monitoring, comparing traditional observation method is the artificial measurement of the level, current monitoring means major part is relatively backward, along with the detection requirement of structures is more and more higher, real time on-line monitoring has become as a kind of trend of health monitoring, conventional static level gauge is all adopt fluid reservoir, vertical vertical displacement is occurred to cause that liquid level flows with monitoring point, thus driving the floating of buoy to drive measuring staff, because structure connects reason, multi-joint it is transferred to measuring staff, and measuring staff and tube wall have certain frictional force, vertical vertical displacement amount that have to be certain adds up just can embody, the zero point of data is beated inaccurate, secondly, due to operation principle determines volume must be huge, it is highly detrimental to field operation and installation. in addition, level gauge with measuring staff is because of reasons in structure, whole height is necessary for more than the twice of range, and inductor is also more big with strengthening its error with range, as long as and double, two measurement system liquid pressure type high precision hydrostatic level measures the change of hydraulic pressure in instrument, liquid level change just can be calculated by demarcating.
Summary of the invention
For problems of the prior art, it is an object of the invention to provide the technical scheme of a kind of transparent pair of measurement system hydrostatic level and using method thereof.
Transparent pair of measurement system hydrostatic level of described one, it is characterized in that including transparent liquid storage cylinder, magnetostriction liquidometer, leveling base, level system, circuit module, vertical displacement display lamp, the outer wall of transparent liquid storage cylinder is provided with surface measurement scale, transparent liquid storage cylinder be provided above air equalizer opening, air equalizer opening place can external air pressure double-beat drop valve, transparent liquid storage cylinder be connected with inlet opening, inlet opening place can external liquid feed valve, the bottom of transparent liquid storage cylinder is provided with fluid communication pipe; Described magnetostriction liquidometer is arranged in transparent liquid storage cylinder and is connected with the circuit module being arranged on transparent liquid storage cylinder, and described vertical displacement display lamp is connected with circuit module; Described transparent liquid storage cylinder is arranged below leveling base and level system, and level system is arranged on leveling base.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that described transparent liquid storage cylinder is provided above the upper end cover of aluminum alloy material.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that described transparent liquid storage cylinder adopts transparent polycarbonate engineering plastic to make.
Transparent pair of measurement system hydrostatic level of described one, it is characterized in that described magnetostriction liquidometer defaults in transparent liquid storage cylinder between two parties, magnetostriction liquidometer is made up of measuring staff, magnetostriction line and float three part, is connected with described fluid communication pipe bottom measuring staff; Described float is made up of permanent-magnet materials, is placed in the liquid levels of transparent liquid storage cylinder; Described measuring staff is that the thin-walled capillary pipe that soft magnetic material is made forms with non-magnetic stainless steel protection pipe.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that described level system is air level.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that described fluid communication pipe adopts polyethylene hard plastic tube.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that the measuring method of this level gauge is as follows:
1) equal pitch contour of each monitoring point is first determined according to designing requirement, hydrostatic level is laid at datum mark and point being monitored periphery before measurement, all hydrostatic levels are installed same elevation location, make transparent liquid storage cylinder maintenance level by regulating the leveling bolt of leveling base, after leveling, cable is connected to circuit module communication;
2) by external for the inlet opening of each hydrostatic level liquid feed valve, liquid feed valve is connected with fluid injection house steward, and with locked clip device; By all external for the air equalizer opening of each hydrostatic level air pressure double-beat drop valve, and each air pressure double-beat drop valve is concatenated; Fluid communication pipe bottom each hydrostatic level is connected, each monitoring point is cascaded, fixing; Then, preprepared liquid is slowly added in transparent liquid storage cylinder incessantly by liquid feed valve, pass through the air within air pressure double-beat drop valve eliminating and the bubble connected simultaneously, and continuous liquid level in observation system, until liquid level stops when reaching transparent liquid storage cylinder graticule, finally check that perimeter interface has no liquid to ooze out situation, if finding to have liquid to ooze out situation, stop liquid should pour at once, confirm to check interface connection locking;
3) upper end cover of rotating transparent liquid storage cylinder counterclockwise, the upper end caping of the measuring staff of magnetostriction liquidometer Yu transparent liquid storage cylinder is screwed by bolt, again by the float of magnetostriction liquidometer by the location place locking onto clockwise on measuring staff, finally, the transparent liquid storage cylinder upper end cover installing magnetostriction liquidometer is screwed, and carefully examine whole system sealing, then pass through adjustment air pressure double-beat drop valve, making the mutual UNICOM of air pressure balance of whole system, the air pressure double-beat drop valve of last hydrostatic level is processed by exsiccator and is connected with ambient atmosphere; Now can obtain measuring the initial hydraulic pressure difference between point and monitoring point, be set to calibration value, namely measure zero point;
4) terminal computer that Control on Communication cable connects presets the permissible value of vertical vertical displacement, early warning value and alarming value, the basis of design of permissible value, early warning value and alarming value is existing country building, railway norm, industry standard regulation, and preset and be stored in terminal computer, and the difference according to operating mode adjusts displacement restriction; Monitoring Data is by the circuit module distributed capture in each hydrostatic level; Then, data are transmitted by cable and are reached terminal computer by circuit module continually, by terminal computer data analysis, thus realizing the purpose of real-time automatic monitoring.
Transparent pair of measurement system hydrostatic level of described one, if it is characterized in that vertical vertical displacement occurs described point of measuring, can the initiating radical discrepancy in elevation on schedule and between monitoring point change, thus causing that the hydraulic pressure difference between 2 changes, at this moment float can drive magnetostriction liquidometer to deform according to the change of liquid level, the value measuring the vertical vertical displacement of point is read by level change value, both the value of vertical vertical displacement can have been read intuitively by observing surface measurement scale, also the variable quantity that simultaneously magnetostriction liquidometer can be driven flexible by measuring the hydraulic pressure difference change between point and monitoring point reads from terminal computer.
Transparent pair of measurement system hydrostatic level of described one, it is characterised in that when the value of described vertical vertical displacement is within the scope of permissible value set in advance, the green light of vertical displacement display lamp, job safety; When the value of vertical vertical displacement is between permissible value and early warning value, the amber light of vertical displacement display lamp is bright, then this measurement point should as paying close attention to object; When the value of vertical vertical displacement is more than alarming value, operation should stop immediately, Inspection whether specification, improves operational method.
Before the present invention measures, in advance hydrostatic level is fixed on the bracket 13 of connecting wall 14 or stablizes support place leveling, set the calibration value (measurement zero point) of datum mark, hydrostatic level bottom is provided with inlet opening, when measuring point and vertical vertical displacement occurring, pressure reduction is there is between datum mark and monitoring point, and it is flexible to drive the magnetostriction liquidometer in hydrostatic level to produce, the position of float place liquid level can be accurately determined by the time difference of pulsed current measurement Yu torsional wave, in addition, by the surface measurement rod reading in hydrostatic level, realize dual system to measure. simultaneously, system presets the safety value of vertical vertical displacement, early warning value and alarming value, hydrostatic level is under the situation of energising, when vertical vertical displacement amount reaches alarming value, the red led on hydrostatic level surface is bright, now should stop operation, and joint specialist and relevant unit improve row operation again after operational method, when vertical vertical displacement amount is less than safety value, green indicating lamp is bright, it is possible to continue operation, when vertical vertical displacement amount is between safety value and early warning value, yellow indicator lamp is bright, and now this measuring point as emphasis monitoring point, should be kept a close eye on vertical vertical displacement change, and report in time. additionally, hydrostatic level is in cold situation, whether excessive by manually checking vertical vertical displacement amount, the use scope of expansion instrument.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydrostatic level of the present invention;
Fig. 2 is transparent liquid storage cylinder internal cross section structural representation;
Fig. 3 is that hydrostatic level is at construction wall mounting structure schematic diagram;
Fig. 4 is that hydrostatic level is at concrete road surface mounting structure schematic diagram;
In figure: the transparent liquid storage cylinder of 1-, 2-magnetostriction liquidometer, 3-leveling base, 4-air level, 5-leveling bolt, 6-circuit module, 7-air equalizer opening, 8-surface measurement scale, 9-vertical displacement display lamp, 10-inlet opening, 11-exsiccator, 12-fluid communication pipe, 13-bracket, 14-body of wall, 15-concrete road surface, 16-cable.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described:
As shown in Figure 1, 2, a kind of transparent pair of measurement system hydrostatic level, including transparent liquid storage cylinder 1, magnetostriction liquidometer 2, leveling base 3, level system, circuit module 6, vertical displacement display lamp 9, it is 1mm that the outer wall of transparent liquid storage cylinder is provided with surface measurement scale 8(surface resolution), transparent liquid storage cylinder be provided above air equalizer opening 7, air equalizer opening place can external air pressure double-beat drop valve, transparent liquid storage cylinder be connected with inlet opening 10, inlet opening place can external liquid feed valve, the bottom of transparent liquid storage cylinder is provided with fluid communication pipe 12, magnetostriction liquidometer is arranged in transparent liquid storage cylinder and is connected with the circuit module being arranged on transparent liquid storage cylinder, and vertical displacement display lamp is connected with circuit module, transparent liquid storage cylinder is arranged below leveling base and level system, and level system is arranged on leveling base. measure point to be connected by fluid communication pipe with monitoring point, by measuring initial liquid level difference one calibration value of setting between point and monitoring point before measurement, when measuring point and vertical vertical displacement occurring, measure point and will produce to differ from a liquid level difference of datum mark with monitoring point, and transparent liquid storage cylinder be provided above air equalizer opening, get rid of the air pressure variations impact on measurement result, magnetostriction liquidometer is thus driven to be deformed, surface measurement scale can be passed through and read vertical vertical displacement value, vertical displacement display lamp can show the state of current vertical vertical displacement value.
The transparent liquid storage cylinder of the present invention is provided above the upper end cover of aluminum alloy material, and surface is through oxide treatments, not only light but also antirust; Transparent liquid storage cylinder adopts transparent polycarbonate engineering plastic to make; Level system is air level 4, it is simple to the installation leveling of instrument; Fluid communication pipe adopts polyethylene hard plastic tube, and diameter is about 11-14mm, and concrete diameter is determined (considering the factors such as fluid viscous power) by maximum length in connecting tube in whole static level device.
The magnetostriction liquidometer (certainty of measurement is 0.1mm) of the present invention defaults in transparent liquid storage cylinder between two parties, and magnetostriction liquidometer is made up of measuring staff, magnetostriction line and float three part, is connected with described fluid communication pipe bottom measuring staff; Float is made up of permanent-magnet materials, is placed in the liquid levels of transparent liquid storage cylinder; Measuring staff is that the thin-walled capillary pipe (internal-and external diameter is 0.5mm respectively, 0.7mm) that soft magnetic material is made forms with non-magnetic stainless steel protection pipe. Because magnetostriction liquidometer is prior art, one is simply applied by the present invention, therefore is no longer described in detail.
Fig. 3 is the hydrostatic level mounting structure schematic diagram at construction wall 14, and Fig. 4 is the hydrostatic level mounting structure schematic diagram in concrete road surface 15.
The using method of a kind of transparent pair of measurement system hydrostatic level of the present invention is as follows:
1) equal pitch contour of each monitoring point is first determined according to designing requirement, hydrostatic level is laid at datum mark and point being monitored periphery before measurement, all hydrostatic levels are installed same elevation location, make transparent liquid storage cylinder maintenance level by regulating the leveling bolt of leveling base, after leveling, cable 16 is connected to circuit module communication; Cable material adopts RVVP type four core signal shielding cable, and this model cable has both protection against the tide, waterproof, mildew-resistant, the multinomial feature such as anti-lightning strike, it is adaptable to all kinds of settlement monitoring working conditions;
2) by external for the inlet opening of each hydrostatic level liquid feed valve, liquid feed valve is connected with fluid injection house steward, and with locked clip device; By all external for the air equalizer opening of each hydrostatic level air pressure double-beat drop valve, and each air pressure double-beat drop valve is concatenated; Fluid communication pipe bottom each hydrostatic level is connected, each monitoring point is cascaded, fixing; Then, preprepared liquid (can be selected for anti-icing fluid) is slowly added in transparent liquid storage cylinder incessantly by liquid feed valve, pass through the air within air pressure double-beat drop valve eliminating and the bubble connected simultaneously, and continuous liquid level in observation system, until liquid level stops when reaching transparent liquid storage cylinder graticule, finally check that perimeter interface has no liquid to ooze out situation, if finding to have liquid to ooze out situation, stop liquid should pour at once, confirm to check interface connection locking;
3) upper end cover of rotating transparent liquid storage cylinder counterclockwise, the upper end caping of the measuring staff of magnetostriction liquidometer Yu transparent liquid storage cylinder is screwed by bolt, again by the float of magnetostriction liquidometer by the location place locking onto clockwise on measuring staff, finally, the transparent liquid storage cylinder upper end cover installing magnetostriction liquidometer is screwed, and carefully examine whole system sealing, then pass through adjustment air pressure double-beat drop valve, making the mutual UNICOM of air pressure balance of whole system, the air pressure double-beat drop valve of last hydrostatic level is processed by exsiccator 11 and is connected with ambient atmosphere; Now can obtain measuring the initial hydraulic pressure difference between point and monitoring point, be set to calibration value, namely measure zero point;
4) terminal computer that Control on Communication cable connects presets the permissible value of vertical vertical displacement, early warning value and alarming value, the basis of design of permissible value, early warning value and alarming value is existing country building, railway norm, industry standard regulation, and preset and be stored in terminal computer, and the difference according to operating mode adjusts displacement restriction; Monitoring Data is by the circuit module distributed capture in each hydrostatic level; Then, data are transmitted by cable and are reached terminal computer by circuit module continually, by terminal computer data analysis, thus realizing the purpose of real-time automatic monitoring.
If there is vertical vertical displacement when measuring point, can the initiating radical discrepancy in elevation on schedule and between monitoring point change, thus causing that the hydraulic pressure difference between 2 changes, at this moment float can drive magnetostriction liquidometer to deform according to the change of liquid level, the value measuring the vertical vertical displacement of point is read by level change value, both the value of vertical vertical displacement can have been read intuitively by observing surface measurement scale, it is possible to the variable quantity simultaneously driving magnetostriction liquidometer flexible by measuring the hydraulic pressure difference change between point and monitoring point reads from terminal computer.
When the value of vertical vertical displacement is within the scope of permissible value set in advance, the green light of vertical displacement display lamp, job safety; When the value of vertical vertical displacement is between permissible value and early warning value, the amber light of vertical displacement display lamp is bright, then this measurement point should as paying close attention to object; When the value of vertical vertical displacement is more than alarming value, operation should stop immediately, Inspection whether specification, improves operational method.
Claims (9)
1. one kind transparent pair measurement system hydrostatic level, it is characterized in that including transparent liquid storage cylinder, magnetostriction liquidometer, leveling base, level system, circuit module, vertical displacement display lamp, the outer wall of transparent liquid storage cylinder is provided with surface measurement scale, transparent liquid storage cylinder be provided above air equalizer opening, air equalizer opening place can external air pressure double-beat drop valve, transparent liquid storage cylinder be connected with inlet opening, inlet opening place can external liquid feed valve, the bottom of transparent liquid storage cylinder is provided with fluid communication pipe; Described magnetostriction liquidometer is arranged in transparent liquid storage cylinder and is connected with the circuit module being arranged on transparent liquid storage cylinder, and described vertical displacement display lamp is connected with circuit module; Described transparent liquid storage cylinder is arranged below leveling base and level system, and level system is arranged on leveling base.
2. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterised in that described transparent liquid storage cylinder is provided above the upper end cover of aluminum alloy material.
3. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterised in that described transparent liquid storage cylinder adopts transparent polycarbonate engineering plastic to make.
4. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterized in that described magnetostriction liquidometer defaults in transparent liquid storage cylinder between two parties, magnetostriction liquidometer is made up of measuring staff, magnetostriction line and float three part, is connected with described fluid communication pipe bottom measuring staff; Described float is made up of permanent-magnet materials, is placed in the liquid levels of transparent liquid storage cylinder; Described measuring staff is that the thin-walled capillary pipe that soft magnetic material is made forms with non-magnetic stainless steel protection pipe.
5. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterised in that described level system is air level.
6. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterised in that described fluid communication pipe adopts polyethylene hard plastic tube.
7. transparent pair of measurement system hydrostatic level of one according to claim 1, it is characterised in that the measuring method of this level gauge is as follows:
1) equal pitch contour of each monitoring point is first determined according to designing requirement, hydrostatic level is laid at datum mark and point being monitored periphery before measurement, all hydrostatic levels are installed same elevation location, make transparent liquid storage cylinder maintenance level by regulating the leveling bolt of leveling base, after leveling, cable is connected to circuit module communication;
2) by external for the inlet opening of each hydrostatic level liquid feed valve, liquid feed valve is connected with fluid injection house steward, and with locked clip device; By all external for the air equalizer opening of each hydrostatic level air pressure double-beat drop valve, and each air pressure double-beat drop valve is concatenated; Fluid communication pipe bottom each hydrostatic level is connected, each monitoring point is cascaded, fixing; Then, preprepared liquid is slowly added in transparent liquid storage cylinder incessantly by liquid feed valve, pass through the air within air pressure double-beat drop valve eliminating and the bubble connected simultaneously, and continuous liquid level in observation system, until liquid level stops when reaching transparent liquid storage cylinder graticule, finally check that perimeter interface has no liquid to ooze out situation, if finding to have liquid to ooze out situation, stop liquid should pour at once, confirm to check interface connection locking;
3) upper end cover of rotating transparent liquid storage cylinder counterclockwise, the upper end caping of the measuring staff of magnetostriction liquidometer Yu transparent liquid storage cylinder is screwed by bolt, again by the float of magnetostriction liquidometer by the location place locking onto clockwise on measuring staff, finally, the transparent liquid storage cylinder upper end cover installing magnetostriction liquidometer is screwed, and carefully examine whole system sealing, then pass through adjustment air pressure double-beat drop valve, making the mutual UNICOM of air pressure balance of whole system, the air pressure double-beat drop valve of last hydrostatic level is processed by exsiccator and is connected with ambient atmosphere; Now can obtain measuring the initial hydraulic pressure difference between point and monitoring point, be set to calibration value, namely measure zero point;
4) terminal computer that Control on Communication cable connects presets the permissible value of vertical vertical displacement, early warning value and alarming value, the basis of design of permissible value, early warning value and alarming value is existing country building, railway norm, industry standard regulation, and preset and be stored in terminal computer, and the difference according to operating mode adjusts displacement restriction; Monitoring Data is by the circuit module distributed capture in each hydrostatic level; Then, data are transmitted by cable and are reached terminal computer by circuit module continually, by terminal computer data analysis, thus realizing the purpose of real-time automatic monitoring.
8. transparent pair of measurement system hydrostatic level of one according to claim 7, if it is characterized in that vertical vertical displacement occurs described point of measuring, can the initiating radical discrepancy in elevation on schedule and between monitoring point change, thus causing that the hydraulic pressure difference between 2 changes, at this moment float can drive magnetostriction liquidometer to deform according to the change of liquid level, the value measuring the vertical vertical displacement of point is read by level change value, both the value of vertical vertical displacement can have been read intuitively by observing surface measurement scale, also the variable quantity that simultaneously magnetostriction liquidometer can be driven flexible by measuring the hydraulic pressure difference change between point and monitoring point reads from terminal computer.
9. transparent pair of measurement system hydrostatic level of one according to claim 7, it is characterised in that when the value of described vertical vertical displacement is within the scope of permissible value set in advance, the green light of vertical displacement display lamp, job safety; When the value of vertical vertical displacement is between permissible value and early warning value, the amber light of vertical displacement display lamp is bright, then this measurement point should as paying close attention to object; When the value of vertical vertical displacement is more than alarming value, operation should stop immediately, Inspection whether specification, improves operational method.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066171A (en) * | 2016-07-05 | 2016-11-02 | 广西路桥工程集团有限公司 | Road and bridge differential settlement real-time monitoring system and method thereof |
| CN109141179A (en) * | 2018-10-29 | 2019-01-04 | 田培虎 | Horizontal displacement monitor and its monitoring method |
| CN109737920A (en) * | 2019-01-07 | 2019-05-10 | 太原理工大学 | Hydrostatic level based on double fast-response probes |
| CN110307827A (en) * | 2019-07-29 | 2019-10-08 | 北京市政路桥股份有限公司 | A kind of hydrostatic level and its measurement method with double fast-response probes |
| CN111412895A (en) * | 2020-05-14 | 2020-07-14 | 中国建筑西南勘察设计研究院有限公司 | Static leveling monitoring method for rectification of existing super high-rise building |
| CN111481023A (en) * | 2020-05-08 | 2020-08-04 | 郭春燕 | Adjustable horizontal wall hanging support for auxiliary picture frame |
| CN112504234A (en) * | 2020-12-12 | 2021-03-16 | 中冶天工集团有限公司 | Detection device for simultaneously detecting levelness of multiple devices and use method |
| CN112781549A (en) * | 2021-02-22 | 2021-05-11 | 河海大学 | Static force level gauge based on machine vision and having inclination measuring function and measuring method thereof |
| CN114353753A (en) * | 2022-01-05 | 2022-04-15 | 河海大学 | Shield construction settlement dynamic monitoring device and method based on static level |
| CN114659493A (en) * | 2022-02-09 | 2022-06-24 | 徐杰 | Novel static level gauge testing mechanism and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066171A (en) * | 2016-07-05 | 2016-11-02 | 广西路桥工程集团有限公司 | Road and bridge differential settlement real-time monitoring system and method thereof |
| CN109141179A (en) * | 2018-10-29 | 2019-01-04 | 田培虎 | Horizontal displacement monitor and its monitoring method |
| CN109737920A (en) * | 2019-01-07 | 2019-05-10 | 太原理工大学 | Hydrostatic level based on double fast-response probes |
| CN110307827A (en) * | 2019-07-29 | 2019-10-08 | 北京市政路桥股份有限公司 | A kind of hydrostatic level and its measurement method with double fast-response probes |
| CN111481023A (en) * | 2020-05-08 | 2020-08-04 | 郭春燕 | Adjustable horizontal wall hanging support for auxiliary picture frame |
| CN111412895A (en) * | 2020-05-14 | 2020-07-14 | 中国建筑西南勘察设计研究院有限公司 | Static leveling monitoring method for rectification of existing super high-rise building |
| CN112504234A (en) * | 2020-12-12 | 2021-03-16 | 中冶天工集团有限公司 | Detection device for simultaneously detecting levelness of multiple devices and use method |
| CN112781549A (en) * | 2021-02-22 | 2021-05-11 | 河海大学 | Static force level gauge based on machine vision and having inclination measuring function and measuring method thereof |
| CN114353753A (en) * | 2022-01-05 | 2022-04-15 | 河海大学 | Shield construction settlement dynamic monitoring device and method based on static level |
| CN114659493A (en) * | 2022-02-09 | 2022-06-24 | 徐杰 | Novel static level gauge testing mechanism and method |
| CN114659493B (en) * | 2022-02-09 | 2023-08-25 | 广州建筑工程监理有限公司 | Static level gauge testing mechanism and method |
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Application publication date: 20160615 |
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