CN102322821B - Equipment and method for automatically measuring water escape nappe shape in hydraulic model test - Google Patents
Equipment and method for automatically measuring water escape nappe shape in hydraulic model test Download PDFInfo
- Publication number
- CN102322821B CN102322821B CN 201110218886 CN201110218886A CN102322821B CN 102322821 B CN102322821 B CN 102322821B CN 201110218886 CN201110218886 CN 201110218886 CN 201110218886 A CN201110218886 A CN 201110218886A CN 102322821 B CN102322821 B CN 102322821B
- Authority
- CN
- China
- Prior art keywords
- vertical
- guide rail
- horizontal
- depth
- range finder
- 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
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides equipment and method for automatically measuring a water escape nappe shape in a hydraulic model test. The equipment comprises a horizontal guide rail, a vertical guide rail, a horizontal ranging disk, a vertical ranging disk, a curtain wall, a horizontal laser range finder, a vertical laser range finder, a depth laser range finder, a vertically synchrodrive rack, a synchrodrive gear set, a horizontal stepping motor, a vertical stepping motor and a central control computer. After the devices are mutually connected, the water escape nappe shape can be automatically measured under the transferring of central control computation, thereby providing a new accurate and reliable method for measuring the water escape nappe shape. A nappe can be automatically measured according to a set program.
Description
Technical field
Automatically measure equipment and the method for sluicing overflow shape in a kind of hydraulic model test of the present invention, belong to the hydraulic model test field.
Background technology
Often can measure the trajectory nappe of flip trajectory bucket in hydraulic model test, in order to determine overflow form, overboard position.These measured values are mainly skyborne laterally in order to judge overflow, pull open longitudinally, collision etc., help to determine in design and bank build, subtended angle etc. are chosen in optimization.The mode of common description overflow form is to take a picture or video recording in the prior art, but owing to taking a picture and video recording has nonlinear distortion, can not accurately reflect the overflow form.Having the people to utilize glass plate to be placed in the overflow side in test operation on minimodel draws, but also exist the different persons of describing to produce the problem of different rendering results, simultaneously, can't find suitable glass plate to describe when model is larger, complicated operation.
The present invention designs for overcoming the above problems just.
Summary of the invention
Automatically equipment and the method for measuring sluicing overflow shape in hydraulic model test of the present invention provide a kind of method of convenient, fast and accurate measurement sluicing overflow shape just for hydraulic model test.
Particularly the present invention includes: horizontal guide rail, vertical guide rail, level range finding dish, vertical range finding dish, curtain wall, horizontal laser light stadimeter, vertical laser range finder, the depth laser range finder, up and down synchrodrive tooth bar, synchronous transmission gear group, horizontal stepper motor, vertical stepper motor, middle control computer.
Horizontal guide rail is the up and down double track, is fixed in a horizontal manner the model side, and up and down and the formed face of horizontal length are contained the side of whole tested overflow;
Vertical guide rail is single track, and two ends are fixed on horizontal guide rail with sliding sleeve, and sliding sleeve can slide on horizontal guide rail;
Level range finding dish is fixed on an end of horizontal guide rail; Generally be fixed on the end that overflow penetrates;
The horizontal laser light stadimeter is fixed on vertical guide rail, is the level of state, and its range finding laser vertical sensing level range finding dish;
Horizontal stepper motor is fixed on an end of horizontal guide rail, is connected with vertical guide rail by tooth bar, and horizontal stepper motor promotes vertical guide rail and slides along horizontal guide rail;
Vertical laser range finder is fixed on and horizontal laser light stadimeter same position, with the horizontal laser light stadimeter in vertical state, its range finding laser vertical directed in orthogonal range finding dish;
The depth laser range finder is fixed on vertical range finding dish, and vertical range finding dish is fixed on vertical guide rail with sliding sleeve, and sliding sleeve can slide on vertical guide rail;
Vertical range finding dish is connected by the vertical stepper motor of tooth bar with vertical guide rail one end, and vertical stepper motor promotes the vertical rim vertical guide rail of finding range and slides;
Curtain wall is set in order to reflect the laser beam of depth laser range finder on the guide rail opposite;
Concrete range finding step is:
(1) set the aggregate level displacement of vertical guide rail in middle control computer, with the total vertical displacement of depth laser range finder;
(2) in, control computer sends movable signal to horizontal stepper motor with vertical stepper motor, horizontal stepper motor moves to the 1st vertical line position according to setting step-length promotion vertical guide rail, vertical stepper motor moves to first measuring point by setting step-length promotion depth laser range finder along vertical guide rail, record a depth distance value, return to this distance value to middle control computer;
(3) in, control computer judges that whether this depth distance value is less than the distance of depth laser range finder to curtain wall, if less than preserving this distance, simultaneously send signal to the horizontal laser light stadimeter with vertical laser range finder, measure horizontal range and vertical range, data measured returns to middle control computer; If this depth promotes the depth laser range finder to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) complete whole measuring points and measure after, horizontal stepper motor drives vertical guide rail and moves to next vertical line, the depth laser range finder begins to continue to measure the depth distance from the first measuring point, until complete whole vertical lines and measuring point.
(5) after the depth of completing whole vertical lines and measuring point is measured, middle control computer recording level distance, vertical range and depth distance also utilize above three distances as x in graphics software, and y, the coordinate of three directions of z complete the shape of overflow and draw.
Beneficial effect of the present invention is:
1, provide a kind of new more accurate more reliable hydraulic model test to measure the method for overflow;
2, can the work of measurement overflow be carried out automatically by setting program.
Description of drawings
Fig. 1 mechanical hook-up general assembly of the present invention schematic diagram;
Fig. 2 embodiment of the present invention 1 obtains overflow shape figure.
Embodiment
Automatically equipment and the method for measuring sluicing overflow shape in hydraulic model test of the present invention provide a kind of method of convenient, fast and accurate measurement sluicing overflow shape just for hydraulic model test.
Particularly the present invention includes: horizontal guide rail 1, vertical guide rail 2, level range finding dish 3, vertical range finding dish 4, curtain wall 5, horizontal laser light stadimeter 6, vertical laser range finder 7, depth laser range finder 8, up and down synchrodrive tooth bar 9, synchronous transmission gear group 10, horizontal stepper motor 11, vertical stepper motor 12, middle control computer 13.
Vertical guide rail 2 is single track, and two ends are fixed on horizontal guide rail 1 with sliding sleeve 14, and sliding sleeve 14 can slide on horizontal guide rail 1;
Level range finding dish 3 is fixed on the right-hand member of horizontal guide rail 1;
Horizontal laser light stadimeter 6 is fixed on vertical guide rail 2, is the level of state, and its range finding laser vertical sensing level range finding dish 3;
Horizontal stepper motor 11 is fixed on an end of horizontal guide rail 1, is connected with vertical guide rail 2 by up and down synchrodrive tooth bar 9, and horizontal stepper motor 11 promotes vertical guide rail 2 and slides along horizontal guide rail 1;
Vertical laser range finder 7 is fixed on and horizontal laser light stadimeter 6 same positions, with horizontal laser light stadimeter 6 in vertical state, its range finding laser vertical directed in orthogonal range finding dish 4;
Depth laser range finder 8 is fixed on vertical range finding dish 4, and vertical range finding dish 4 use sliding sleeves 14 are fixed on vertical guide rail 2, and sliding sleeve 14 can slide on vertical guide rail 2;
Vertical range finding dish 4 is connected by the vertical stepper motor 12 of tooth bar with vertical guide rail 2 one ends, and vertical stepper motor 12 promotes vertical range finding dish 4 and slides along vertical guide rail 2;
Curtain wall 5 is set in order to reflect the laser beam of depth laser range finder 8 on the guide rail opposite;
Concrete range finding step is:
(1) set the aggregate level displacement of vertical guide rail 2 and the total vertical displacement of depth laser range finder 8 in middle control computer 13;
(2) in, control computer 13 sends movable signal to horizontal stepper motor 11 with vertical stepper motor 12, horizontal stepper motor 11 moves to the 1st vertical line position according to setting step-length promotion vertical guide rail 2, vertical stepper motor 12 moves to first measuring point by setting step-length promotion depth laser range finder 8 along vertical guide rail 2, record a depth distance value, return to this distance value to middle control computer 13;
(3) in, control computer 13 judges that whether this depth distance value is less than the distance of depth laser range finder 8 to curtain wall 5, if less than preserving this distance, simultaneously send signal to horizontal laser light stadimeter 6 with vertical laser range finder 7, measure horizontal range and vertical range, data measured returns to middle control computer; If this depth promotes depth laser range finder 8 to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) complete whole measuring points and measure after, horizontal stepper motor 11 drives vertical guide rails 2 and moves to next vertical line, depth laser range finder 8 begins to continue to measure the depth distance from the first measuring point, repeats above-mentioned steps until complete whole vertical lines and measuring point.
(5) after the depth of completing whole vertical lines and measuring point is measured, middle control computer 13 recording level distances, vertical range and depth distance also utilize above three distances as x in graphics software, and y, the coordinate of three directions of z complete the shape of overflow and draw.
Claims (2)
1. the equipment of automatically measuring sluicing overflow shape in hydraulic model test comprises: horizontal guide rail, vertical guide rail, level range finding dish, vertical range finding dish, curtain wall is characterized in that: also comprise: horizontal laser light stadimeter, vertical laser range finder, the depth laser range finder, up and down synchrodrive tooth bar, synchronous transmission gear group, horizontal stepper motor, vertical stepper motor, middle control computer;
Described horizontal guide rail is the up and down double track, is fixed in a horizontal manner the model side, and up and down and the formed face of horizontal length are contained the side of whole tested overflow;
Vertical guide rail is single track, and two ends are fixed on horizontal guide rail with sliding sleeve; Level range finding dish is fixed on an end of horizontal guide rail;
The horizontal laser light stadimeter is fixed on vertical guide rail, is the level of state, and its range finding laser vertical sensing level range finding dish;
Described horizontal stepper motor is fixed on an end of horizontal guide rail, is connected with vertical guide rail by tooth bar;
Described vertical laser range finder is fixed on and horizontal laser light stadimeter same position, with the horizontal laser light stadimeter in vertical state, its range finding laser vertical directed in orthogonal range finding dish;
The depth laser range finder is fixed on vertical range finding dish, and vertical range finding dish is fixed on vertical guide rail with sliding sleeve;
Described vertical range finding dish is connected by the vertical stepper motor of tooth bar with vertical guide rail one end, and vertical stepper motor promotes vertical range finding rim vertical guide rail slip;
Curtain wall is set in order to reflect the laser beam of depth laser range finder on described vertical guide rail opposite.
2. automatically measure the method for sluicing overflow shape in the hydraulic model test that a kind is used equipment as claimed in claim 1, it is characterized in that: the step of specifically finding range is:
(1) set the aggregate level displacement of vertical guide rail in middle control computer, with the total vertical displacement of depth laser range finder;
(2) in, control computer sends movable signal to horizontal stepper motor with vertical stepper motor, horizontal stepper motor moves to the 1st vertical line position according to setting step-length promotion vertical guide rail, vertical stepper motor moves to first measuring point by setting step-length promotion depth laser range finder along vertical guide rail, record a depth distance value, return to this distance value to middle control computer;
(3) in, control computer judges that whether this depth distance value is less than the distance of depth laser range finder to curtain wall, if less than preserving this distance, simultaneously send signal to the horizontal laser light stadimeter with vertical laser range finder, measure horizontal range and vertical range, data measured returns to middle control computer; If this depth promotes the depth laser range finder to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) complete whole measuring points and measure after, horizontal stepper motor drives vertical guide rail and moves to next vertical line, the depth laser range finder begins to continue to measure the depth distance from the first measuring point, until complete whole vertical lines and measuring point;
(5) after the depth of completing whole vertical lines and measuring point is measured, middle control computer recording level distance, vertical range and depth distance also utilize above three distances as x in graphics software, and y, the coordinate of three directions of z complete the shape of overflow and draw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110218886 CN102322821B (en) | 2011-08-01 | 2011-08-01 | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110218886 CN102322821B (en) | 2011-08-01 | 2011-08-01 | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322821A CN102322821A (en) | 2012-01-18 |
| CN102322821B true CN102322821B (en) | 2013-06-19 |
Family
ID=45450617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110218886 Active CN102322821B (en) | 2011-08-01 | 2011-08-01 | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322821B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840315A (en) * | 2017-03-15 | 2017-06-13 | 山东大学 | A kind of hydraulic model test water surface curve self-operated measuring unit and method |
| CN109506593B (en) * | 2018-09-21 | 2021-01-29 | 南昌工程学院 | Device for measuring emergence angle and water inlet angle of flow-picking water tongue and using method |
| CN110991021B (en) * | 2019-11-25 | 2023-09-29 | 水利部交通运输部国家能源局南京水利科学研究院 | Variable density three-dimensional simulation method for high dam drainage diversion water tongue |
| CN112129251B (en) * | 2020-08-06 | 2021-10-19 | 中国科学院力学研究所 | Ultrasonic landform instrument driving device for laboratory water tank |
| CN113670225B (en) * | 2021-07-29 | 2024-03-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Device and method for measuring air water tongue outline and turbulent boundary of drainage building |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693843A (en) * | 2004-05-09 | 2005-11-09 | 谢会骅 | Space laser Newton's ring collimater and computer intelligent core tracking |
| CN202216674U (en) * | 2011-08-01 | 2012-05-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Device for automatically measuring shape of sluicing nappe in hydraulic model test |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63317705A (en) * | 1987-06-19 | 1988-12-26 | Sanyo Electric Co Ltd | Shape measuring instrument |
| US7428781B2 (en) * | 2006-01-23 | 2008-09-30 | John C Wickhart | Method and apparatus for performing overhead crane rail alignment surveys |
-
2011
- 2011-08-01 CN CN 201110218886 patent/CN102322821B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693843A (en) * | 2004-05-09 | 2005-11-09 | 谢会骅 | Space laser Newton's ring collimater and computer intelligent core tracking |
| CN202216674U (en) * | 2011-08-01 | 2012-05-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Device for automatically measuring shape of sluicing nappe in hydraulic model test |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-317705A 1988.12.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322821A (en) | 2012-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102322821B (en) | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test | |
| CN201548211U (en) | Automatic detecting equipment for T-shaped guide rail straightness | |
| CN104776817A (en) | Sliding type ceramic tile surface flatness detection device and method thereof | |
| CN104534953A (en) | Method for measuring three-dimensional relative displacement through guyed displacement sensors | |
| CN203148419U (en) | Automatic detection system for elevator guide rail straightness | |
| CN205102789U (en) | Automatic elevator guide rail is apart from laser surveying device | |
| CN105180795A (en) | Rock and soil mass deformation measurement method and instrument system based on deviation survey and Hall effect | |
| CN205002729U (en) | Underground warp measuring device based on deviational survey and hall effect | |
| CN105261025B (en) | A kind of line-scan digital camera quick high accuracy caliberating device of high ferro detecting system | |
| CN201488718U (en) | Rapid measuring device for channel discharge cross section | |
| CN102393171B (en) | Digital display detection device for relative altitude difference of top surface of railway steel rail and detection method | |
| CN108132058A (en) | Digital Photogrammetric System on-line displacement measurement calibrates for error device and method | |
| CN203657640U (en) | Vernier caliper with measuring claws moving vertically | |
| CN104567771B (en) | Vertical-displacement measurement device for unconfined oil and gas pipeline in transverse motion process | |
| CN107102118B (en) | The model test apparatus of real-time measurement traction landslide slopes ess-strain | |
| CN203203587U (en) | Real-point real-time gradient measuring device based on laser ranging | |
| CN202216674U (en) | Device for automatically measuring shape of sluicing nappe in hydraulic model test | |
| CN103644898B (en) | River model test water boundaries identification measuring method | |
| CN205679213U (en) | A kind of wave run-up measurement apparatus | |
| CN105298470A (en) | Automatic measuring method of clinometer | |
| CN204753558U (en) | Foundation ditch horizontal displacement monitoring devices | |
| CN103438816A (en) | High-precision measuring device for measuring joint type equipment member bar deformation | |
| CN204100988U (en) | Flexible pipe measurement mechanism | |
| CN203642922U (en) | Water boundary identification measurement system during river model test | |
| CN103708353B (en) | Crane brake downslide amount detects braking momentary duty method for determining position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |