CN106840315A - A kind of hydraulic model test water surface curve self-operated measuring unit and method - Google Patents
A kind of hydraulic model test water surface curve self-operated measuring unit and method Download PDFInfo
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- CN106840315A CN106840315A CN201710154018.0A CN201710154018A CN106840315A CN 106840315 A CN106840315 A CN 106840315A CN 201710154018 A CN201710154018 A CN 201710154018A CN 106840315 A CN106840315 A CN 106840315A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 47
- 230000033001 locomotion Effects 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 210000003813 thumb Anatomy 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of hydraulic model test water surface curve self-operated measuring unit and method, device includes being arranged in parallel in the fixed guide rail of required measurement hydraulic model left and right banks both sides, it is provided with along its movable adjustable moving guide rail on fixed guide rail, the two ends of moving guide rail are respectively arranged with a control box, traverse measuring device is movably set with moving guide rail, control box controls moving guide rail being synchronized with the movement on two fixation guide rails, the signal receiver and single-chip microcomputer for receiving the displacement signal that traverse measuring device transmitting comes are provided with control box simultaneously, single-chip microcomputer receives motor message, drive moving guide rail motion；Traverse measuring device includes spirit level and laser range finder, and the distance of whole device erection level, laser range finder measurement distance datum mark or control point water surface curve is differentiated in circle center by sighting-level bubble.Simple structure of the present invention, it is easy to operate, being capable of automatic measurement and control point water surface curve.
Description
Technical field
The present invention relates to a kind of hydraulic model test water surface curve self-operated measuring unit and method.
Background technology
In the design of hydraulic structure, can the building parameter designed by inspection meet design excessively stream requirement, or
Whether the height such as person's waterwall meets earial drainage requirement, and the model reduced with certain proportion chi can be used to carry out hydraulic model examination
Test, for design provides reference and verifies.When model test is carried out, it is necessary to model building thing control during to different discharge flows
The water surface curve elevation of point is measured.Present mode is used and often measured using spirit level, first with known to model
Datum mark is reference, measures and calculate the elevation of spirit level center line from measuring scale, so by measuring scale end be put into
Control point vertical direction, water surface is flushed and reading, and the water surface curve at control point is calculated by the difference of reading with datum mark
Elevation.
It is this to be removed reading and judged the measuring method that measuring scale end flushes with water surface curve by artificial, not only measurement error
Greatly, time-consuming length, and need on hydraulic model set up traffic walking pass facility so as to measurement.Existing measuring method
Low precision, time-consuming, inconvenient problem, it is therefore desirable to a kind of high precision, the quick equipment for easily measuring water surface curve.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of hydraulic model test water surface curve self-operated measuring unit and side
Method, the present invention after input needs the coordinate for measuring control point, device can automatic measurement impact point water surface curve elevation, and deposit
Storage related data.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of hydraulic model test water surface curve self-operated measuring unit, including be arranged in parallel in required measurement hydraulic model or so
The fixed guide rail of bank both sides, is provided with along its movable adjustable moving guide rail, the two of the moving guide rail on the fixed guide rail
End is respectively arranged with a control box, and traverse measuring device, the control box control movement are movably set with the moving guide rail
Guide rail being synchronized with the movement on two fixation guide rails, while be provided with control box receiving the displacement letter that traverse measuring device transmitting comes
Number signal receiver and single-chip microcomputer, single-chip microcomputer receives motor message, drives moving guide rail motion；
The traverse measuring device include spirit level and laser range finder, by sighting-level bubble circle center come
Differentiate that whole device sets up the distance of level, laser range finder measurement distance datum mark or control point water surface curve.
Further, the fixed guide rail bottom two ends are provided with leveling thumb screw, for adjusting the elevation of whole device
With play horizontal support；Fixed guide rail two ends are provided with spirit level, are sentenced in circle center by sighting-level bubble
Gu Ding not guide rail erection level.
The fixed guideway centreline sets fluted, to determine moving displacement direction when moving guide rail is measured.
The moving guide rail head and end is each provided with roller and is nested in fixed guide rail interior, controls the fortune of moving guide rail
It is dynamic；The moving guide rail head and end is respectively fixedly installed control box.
The moving guide rail is centrally disposed fluted, to determine moving displacement direction when traverse measuring device is measured.
The control box is internally provided with servomotor, and for controlling the motion of roller, left and right sides roller is transported for synchronous
It is dynamic；Signal receiver and single-chip microcomputer are additionally provided with inside the control box, signal receiver is used for receiving traverse measuring device hair
The displacement signal for coming is penetrated, single-chip microcomputer is passed to, single-chip microcomputer receives motor message, and control servomotor operating drives roller to enter
And drive moving guide rail to move；Power supply is additionally provided with inside the control box, is that servomotor, signal receiver and single-chip microcomputer are supplied
Electricity.
The traverse measuring device is internally provided with servomotor and single-chip microcomputer, signal input of the servomotor in single-chip microcomputer
Under rotated, it is described apart from laser range finder for traverse measuring device provides power, be connected with single-chip microcomputer and realize measurement signal
Input and output, be additionally provided with signal projector inside the mobile device, the single-chip microcomputer inside traverse measuring device
Under signal output, by sending the signal message of motion to the signal receiver inside control box, and then moving guide rail is controlled
Motion；Power supply is additionally provided with inside the traverse measuring device, is servomotor, signal projector, single-chip microcomputer, laser range finder
Power supply.
The traverse measuring device upper surface is additionally provided with display screen and keyboard region, by the button operation of keyboard region, shows
Realize the unlatching and measurement of measurement apparatus in display screen display input and the data for exporting, keyboard region.
Further, the traverse measuring device lower surface is provided with roller, and roller is nested in the groove of moving guide rail,
Roller is moved under the driving of servomotor, realizes the motion of traverse measuring device, and the roller is driven using 4 wheel driven, by tooth
The occlusion of wheel is vicarious to the enterprising action edge transmission of bearing, realizes four-wheel run-in synchronism.
The traverse measuring device lower surface is additionally provided with the gauge head of laser range finder, the gauge head straight down, for surveying
Measure laser range finder to datum mark or the distance of control point water surface curve.
Further, the traverse measuring device side surface is provided with SSD draw-in grooves, for inserting SSD cards, the number that will be measured
According to being stored in after parameter processing in SSD cards.
Method of work based on said apparatus, measurement hydraulic model left and right banks two needed for fixed guide rail parallel is arranged in
Side, sets up moving guide rail, and traverse measuring device is placed on into moving guide rail top, and the fixed guide rail of regulation sets up whole device
Level, the control point of measurement required for input, including two dimension (x, the y) coordinate parameters on datum mark O horizontal planes in a model,
By traverse measuring device horizontal positioned to datum mark O tops, the vertical range of laser range finder to datum mark O is measured, obtained
The elevation of laser range finder, with reference to two dimension (x, the y) parameter being input into before, obtains laser range finder and is located on vertical during datum mark
Three-dimensional (x, y, z) parameter of side, after water flowing inside hydraulic model, according to the two-dimensional coordinate on the horizontal plane being input into
Point, realizes the automatic measurement of other all control point water surface curves successively.
Beneficial effects of the present invention are：
1st, simple structure of the present invention, easy to operate, being capable of automatic measurement and control point water surface curve.
2nd, the present invention measurement it is accurate, easy to operate, take a short time.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is control box of the invention inside Single-chip Controlling connection diagram；
Fig. 3 is traverse measuring device overall schematic of the invention；
Fig. 4 is traverse measuring device upper surface of the invention schematic diagram；
Fig. 5 is traverse measuring device lower surface schematic diagram of the invention；
Fig. 6 is traverse measuring device Single-chip Controlling connection diagram of the invention；
Fig. 7 is traverse measuring device roller 4 wheel driven driving structure schematic diagram of the invention；
Fig. 8 is model cootrol point coordinates schematic diagram of the invention.
Wherein：1 fixes guide rail, 11 spirit levels, 12 leveling thumb screws；2 moving guide rails, 21 rollers, 22 control box, 23 signals
Receiver, 24 single-chip microcomputers, 25 servomotors, 26 power supplys；3 traverse measuring devices, 4 spirit levels, 5 display screens；6 key zones, 61 sides
Xiang Jian, 62 beginnings/close key, 63 function keys, 64 acknowledgement keys, 65 numeric keypads；7 rollers, 8 laser range finders, 9SSD draw-in grooves, 10
Single-chip microcomputer, 13 servomotors, 14 signal projectors, 15 power supplys, 16 bearings；A, b, c, d, e, f gear；O datum marks, A control points.
Specific embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of hydraulic model test water surface curve self-operated measuring unit includes：Fixed guide rail 1, moving guide rail 2,
22 are filled with box, traverse measuring device 3.Signal receiver, single-chip microcomputer, servomotor, power supply are provided with the control box；It is described
Be provided with laser range finder, single-chip microcomputer, signal projector, gear, power supply in traverse measuring device, outside be provided with display screen,
Key zone, roller, SSD draw-in grooves.
Further, the fixed guide rail bottom two ends are provided with leveling thumb screw, for adjusting the elevation of whole device
With play horizontal support；Fixed guide rail two ends are provided with spirit level, are sentenced in circle center by sighting-level bubble
Gu Ding not guide rail erection level；Fixed guideway centreline is provided with " recessed " groove, to determine moving displacement side when moving guide rail is measured
To.
Further, the moving guide rail head and end is each provided with roller and is nested in fixed guide rail interior, and control is moved
The motion of dynamic guide rail；The moving guide rail head and end is respectively fixedly installed control box；The moving guide rail is provided centrally with
" recessed " groove, to determine moving displacement direction when traverse measuring device is measured.
Further, the control box is internally provided with servomotor, for controlling the motion of roller, left and right sides roller
To be synchronized with the movement；Signal receiver and single-chip microcomputer are additionally provided with inside the control box, signal receiver is used for receiving mobile survey
The displacement signal that amount device transmitting comes, passes to single-chip microcomputer, and single-chip microcomputer receives motor message, control servomotor operating, band
Dynamic roller and then drive moving guide rail motion；Be additionally provided with power supply inside the control box, be servomotor, signal receiver and
Single-chip microcomputer is powered.
Further, the traverse measuring device is internally provided with servomotor and single-chip microcomputer, and servomotor is in single-chip microcomputer
Signal input under rotated, for traverse measuring device provides power；Laser range finder is additionally provided with the mobile device,
The input and output for realizing measurement signal are connected with single-chip microcomputer, for measuring laser range finder to datum mark or control point water surface curve
Distance；Signal projector is additionally provided with inside the mobile device, the signal of the single-chip microcomputer inside traverse measuring device is defeated
Under going out, by sending the signal message of motion to the signal receiver inside control box, and then the motion of moving guide rail is controlled；Institute
State and power supply is additionally provided with inside traverse measuring device, be that servomotor, signal projector, single-chip microcomputer, laser range finder are powered.
Further, the traverse measuring device upper surface is provided with spirit level, by sighting-level bubble in circle
Center differentiates whole device erection level；The traverse measuring device upper surface is additionally provided with display screen and keyboard region, passes through
The button operation of keyboard region, display screen display input and the data for exporting；Meanwhile, keyboard region also realize the unlatching of measurement apparatus with
Measurement.
Further, the traverse measuring device lower surface is provided with roller, and roller is nested in " recessed " groove of moving guide rail
In, roller is moved under the driving of servomotor, realizes the motion of traverse measuring device；The motion of the roller is driven using 4 wheel driven
It is dynamic, transmitted to the enterprising action edge of bearing by the way that the occlusion of gear is vicarious, realize four-wheel run-in synchronism.
The traverse measuring device lower surface is additionally provided with the gauge head of laser range finder, the gauge head straight down, for surveying
Measure laser range finder to datum mark or the distance of control point water surface curve.
Further, the traverse measuring device side surface is provided with SSD draw-in grooves, and for inserting SSD cards, single-chip microcomputer will be surveyed
It is stored in SSD cards after the data parameters treatment of amount.
Further, under the routing motion effect of moving guide rail, traverse measuring device, traverse measuring device can be moved
To arbitrary control point vertical line top.
Before measurement starts, fixed guide rail 1 is arranged in parallel in required measurement hydraulic model left and right banks both sides, will then moved
Dynamic guide rail 2 is erected at the top of fixed guide rail 1, and roller 21 is located in fixed guide rail 1 " recessed " groove, then by traverse measuring device 3
It is placed on the top of moving guide rail 2, regulation leveling thumb screw 12 so that spirit level 11, spirit level 4 justify bubble all in centre, show
Whole device sets up level.
When also there is no water flowing inside hydraulic model, first pass through beginning/close key 62 and open traverse measuring device 3.Utilize
Numeric keypad 65, directionkeys 61, acknowledgement key 64, the synergy of function key 63, input required for measurement control point, including benchmark
Point O two dimension (x, y) coordinate parameters in a model on horizontal plane, then by the horizontal positioned of traverse measuring device 3 to datum mark O
Side, the vertical range of laser range finder 8 to datum mark O is measured by function key 63, acknowledgement key 64.Due to benchmark point height
Know, add the distance of measurement laser range finder to datum mark, you can obtain the elevation H of laser range finder 8, single-chip microcomputer is by place
Reason, with reference to two dimension (x, the y) parameter on the horizontal plane being input into before, vertical direction when obtaining laser range finder 8 positioned at datum mark
Three-dimensional (x, y, z) parameter.
After water flowing inside hydraulic model, according to the seat between the two-dimensional coordinate point and datum mark on existing horizontal plane
Mark difference distance, under the effect of move distance, other are realized in the treatment and control of single-chip microcomputer 10 successively on correspondence direction
The automatic measurement of all control point water surface curves.Under the routing motion effect of moving guide rail 2, traverse measuring device 3, traverse measurement
Filling 3 can move to arbitrary control point (x, y) vertical line top.Wherein, the mobile dependence traverse measurement on x directions fills 3 left sides
Realization is moved right, the mobile dependence moving guide rail 2 on y directions moves forward and backward to realize.
The process of automatic measurement and control point water surface curve is as follows：Model inside starts after water flowing, in function key 63 and confirmation
Under key 64 coordinates, automatic measurement option is found in the display of display screen 5, click on acknowledgement key 64.Click on after confirming 64, it is mobile to survey
The water surface curve elevation that the amount acquiescence of device 3 starts successively to control point is measured.
First, single-chip microcomputer 10 is after the signal for confirming measurement is received, from the vertical direction point of datum mark O, according to
Between be input into control point A (a, b) parameter two-dimensional coordinate, on the one hand to the transmission signal of servomotor 13, the band of servomotor 13
Dynamic roller 21 is moved, and controls traverse measurement to fill 3 to x-axis direction coordinate for the direction of a points is advanced, and the direction is just stopped at after arrival
Motion；On the other hand, single-chip microcomputer 10 launches movement by signal projector 14 to the signal receiver 23 inside control box 22
Signal, after signal receiver 23 receives signal, is transferred to the single-chip microcomputer 24 inside control box 22, and single-chip microcomputer 24 receives movement
After signal, control servomotor 25 is operated, and drives roller 21 to move, and it is the side of b points to y-axis direction coordinate to control moving guide rail 2
To traveling, the motion of the direction is just stopped at after arrival.So, under the crossing of A (a, b) coordinate, traverse measuring device 3 is reached
Control point A (a, b) vertical direction point.
Then, laser range finder 8 starts to measure the water surface curve of the point with laser range finder apart from L, and measurement signal is defeated
Enter to single-chip microcomputer 10, single-chip microcomputer 10 receive water surface curve and the laser range finder of the point of control point A (a, b) measurement apart from L
Afterwards, the water surface curve elevation at control point A (a, b) is by calculating (H-L).So, the elevation of control point A (a, b, H-L) is able to
Measurement.Due to required measurement control point coordinate to be input in traverse measuring device 3, traverse measuring device 3 according to
Under the signal control of single-chip microcomputer 10, the water surface curve of other input coordinate points is measured successively.And by measurement after all data deposit
In SSD cards, after measurement is finished, by related programme-control, motion returns to datum mark top to device automatically, and stops for storage
Only move.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (10)
1. a kind of hydraulic model test water surface curve self-operated measuring unit, it is characterized in that：Including being arranged in parallel in required measurement water conservancy project
The fixed guide rail of model left and right banks both sides, is provided with along its movable adjustable moving guide rail, the movement on the fixed guide rail
The two ends of guide rail are respectively arranged with a control box, and traverse measuring device, the control box are movably set with the moving guide rail
Control moving guide rail being synchronized with the movement on two fixation guide rails, while reception traverse measuring device transmitting is provided with control box coming
Displacement signal signal receiver and single-chip microcomputer, single-chip microcomputer receives motor message, drives moving guide rail motion；
The traverse measuring device includes spirit level and laser range finder, is differentiated in circle center by sighting-level bubble
Whole device sets up the distance of level, laser range finder measurement distance datum mark or control point water surface curve.
2. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The fixation is led
Flange of rail portion two ends are provided with leveling thumb screw, for adjusting the elevation of whole device and playing horizontal support；Fixed guide rail
Two ends are provided with spirit level, and fixed guide rail erection level is differentiated in circle center by sighting-level bubble.
3. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The fixation is led
Rail is centrally disposed fluted, to determine moving displacement direction when moving guide rail is measured.
4. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The movement is led
Rail head and end is each provided with roller and is nested in fixed guide rail interior, controls the motion of moving guide rail；The moving guide rail is first
Last two ends are respectively fixedly installed control box；
Or the moving guide rail is centrally disposed fluted, to determine moving displacement direction when traverse measuring device is measured.
5. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The control box
Servomotor is internally provided with, for controlling the motion of roller, left and right sides roller is to be synchronized with the movement；The control box inside is also
Signal receiver and single-chip microcomputer are provided with, signal receiver is used for receiving the displacement signal that traverse measuring device transmitting comes, transmission
To single-chip microcomputer, single-chip microcomputer receives motor message, and control servomotor operating drives roller and then drives moving guide rail motion；
Power supply is additionally provided with inside the control box, is that servomotor, signal receiver and single-chip microcomputer are powered.
6. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The mobile survey
Amount device is internally provided with servomotor and single-chip microcomputer, and servomotor is rotated under the signal input of single-chip microcomputer, is movement
Measurement apparatus provide power, described apart from laser range finder, and the input and output for realizing measurement signal are connected with single-chip microcomputer, described
Signal projector is additionally provided with inside mobile device, under the signal output of the single-chip microcomputer inside traverse measuring device, by
Signal receiver inside control box sends the signal message of motion, and then controls the motion of moving guide rail；The traverse measurement
Power supply is additionally provided with inside device, is that servomotor, signal projector, single-chip microcomputer, laser range finder are powered.
7. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The mobile survey
Amount device upper surface is additionally provided with display screen and keyboard region, and by the button operation of keyboard region, display screen display is input into and output
Data, keyboard region realizes the unlatching of measurement apparatus with measurement.
8. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The mobile survey
Amount device lower surface is provided with roller, and roller is nested in the groove of moving guide rail, and roller is moved under the driving of servomotor,
The motion of traverse measuring device is realized, the roller is driven using 4 wheel driven, vicarious to the enterprising action of bearing by the occlusion of gear
Power is transmitted, and realizes four-wheel run-in synchronism.
9. a kind of hydraulic model test water surface curve self-operated measuring unit as claimed in claim 1, it is characterized in that：The mobile survey
Amount device side surface is provided with SSD draw-in grooves, and for inserting SSD cards, single-chip microcomputer will be stored in SSD cards after the data parameters treatment of measurement
In.
10. the method for work of device as claimed in any one of claims 1-9 wherein is based on, it is characterized in that：Will fixed guide rail parallel
Measurement hydraulic model left and right banks both sides needed for being arranged in, set up moving guide rail, and traverse measuring device is placed on moving guide rail
Side, the fixed guide rail of regulation makes whole device erection level, the control point of measurement required for input, including datum mark O in a model
Two dimension (x, y) coordinate parameters, by traverse measuring device horizontal positioned to datum mark O top, measure laser range finder to base
The vertical range of O, obtains the elevation of laser range finder on schedule, with reference to two dimension (x, the y) parameter being input into before, obtains laser ranging
Three-dimensional (x, y, z) parameter of vertical direction when instrument is located at datum mark, after water flowing inside hydraulic model, according to existing two dimension
Coordinate points, realize the automatic measurement of other all control point water surface curves successively.
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| CN201710154018.0A CN106840315A (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic model test water surface curve self-operated measuring unit and method |
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| CN201710154018.0A CN106840315A (en) | 2017-03-15 | 2017-03-15 | A kind of hydraulic model test water surface curve self-operated measuring unit and method |
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Cited By (6)
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| CN108508842A (en) * | 2018-04-04 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | The straightness error detection method of numerically-controlled machine tool the linear guide |
| CN110373980A (en) * | 2019-07-31 | 2019-10-25 | 湖北文理学院 | The evaluating apparatus and method of binocular reconfiguration technique test road surface three-dimensional appearance precision |
| CN110617864A (en) * | 2019-08-28 | 2019-12-27 | 武汉天垦建设有限公司 | Municipal road ponding degree of depth measuring device |
| CN112095541A (en) * | 2020-09-04 | 2020-12-18 | 重庆水利电力职业技术学院 | Hydraulic model test teaching platform |
| CN113503940A (en) * | 2021-07-09 | 2021-10-15 | 武汉新烽光电股份有限公司 | Method and device for improving precision of three-dimensional laser radar water level gauge |
| CN115655210A (en) * | 2022-10-25 | 2023-01-31 | 中建八局第二建设有限公司 | Leveling distance integral type measuring device for building engineering |
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| CN108508842A (en) * | 2018-04-04 | 2018-09-07 | 中国工程物理研究院激光聚变研究中心 | The straightness error detection method of numerically-controlled machine tool the linear guide |
| CN108508842B (en) * | 2018-04-04 | 2021-01-05 | 中国工程物理研究院激光聚变研究中心 | Straightness error detection method for linear guide rail of numerical control machine tool |
| CN110373980A (en) * | 2019-07-31 | 2019-10-25 | 湖北文理学院 | The evaluating apparatus and method of binocular reconfiguration technique test road surface three-dimensional appearance precision |
| CN110617864A (en) * | 2019-08-28 | 2019-12-27 | 武汉天垦建设有限公司 | Municipal road ponding degree of depth measuring device |
| CN112095541A (en) * | 2020-09-04 | 2020-12-18 | 重庆水利电力职业技术学院 | Hydraulic model test teaching platform |
| CN112095541B (en) * | 2020-09-04 | 2021-04-02 | 重庆水利电力职业技术学院 | Hydraulic model test teaching platform |
| CN113503940A (en) * | 2021-07-09 | 2021-10-15 | 武汉新烽光电股份有限公司 | Method and device for improving precision of three-dimensional laser radar water level gauge |
| CN115655210A (en) * | 2022-10-25 | 2023-01-31 | 中建八局第二建设有限公司 | Leveling distance integral type measuring device for building engineering |
| CN115655210B (en) * | 2022-10-25 | 2024-05-24 | 中建八局第二建设有限公司 | Integrated horizontal distance measuring device for constructional engineering |
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Application publication date: 20170613 |