CN102322821A - 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
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- CN102322821A CN102322821A CN201110218886A CN201110218886A CN102322821A CN 102322821 A CN102322821 A CN 102322821A CN 201110218886 A CN201110218886 A CN 201110218886A CN 201110218886 A CN201110218886 A CN 201110218886A CN 102322821 A CN102322821 A CN 102322821A
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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 the 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
In hydraulic model test, to measure the trajectory nappe of flip trajectory bucket, in order to confirm the overflow form, the position of falling into water through regular meeting.These measured values are mainly skyborne laterally in order to judge overflow, draw back longitudinally, collision etc., in design, help to confirm and bank build, subtended angle etc. are chosen in optimization.The mode of common in the prior art description overflow form is photograph or video recording, but because photograph and video recording have nonlinear distortion, can not accurately reflect the overflow form.In test operation, on minimodel, there is the people to utilize glass plate to place the overflow side to draw; But also exist the different persons of describing to produce the problem of different rendering results; Simultaneously, when model is big, can't find suitable glass plate to describe complicated operation.
The present invention designs for overcoming the above problems just.
Summary of the invention
Automatically measure the equipment of sluicing overflow shape and method provides a kind of convenient, fast and accurate measurement sluicing overflow shape just for hydraulic model test method in the hydraulic model test of the present invention.
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, synchrodrive tooth bar up and down, synchronous transmission gear group; Horizontal stepper motor, vertical stepper motor, middle control computer.
Horizontal guide rail is a double track up and down, is fixed on the model side in a horizontal manner, contains the side of whole tested overflow up and down with the formed face of horizontal length;
Vertical guide rail is a single track, and two ends are fixed on the 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; Be fixed on the end that overflow penetrates generally speaking;
The horizontal laser light stadimeter is fixed on the vertical guide rail, is the level of state its range finding laser vertical sensing level range finding dish;
Horizontal stepper motor is fixed on an end of horizontal guide rail, links to each other with vertical guide rail through 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 the vertical range finding dish, and vertical range finding dish is fixed on the vertical guide rail with sliding sleeve, and sliding sleeve can slide on vertical guide rail;
Vertical range finding dish links to each other with the vertical stepper motor of vertical guide rail one end through tooth bar, and vertical stepper motor promotes vertical range finding rim vertical guide rail and slides;
The laser beam of curtain wall in order to reflection depth laser range finder is set on the guide rail opposite;
Concrete range finding step is:
(1) in middle control computer, sets the aggregate level displacement of vertical guide rail and total vertical moving distance of depth laser range finder;
(2) control computer sends movable signal to horizontal stepper motor with vertical stepper motor in; 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 this distance value to middle control computer;
(3) control computer judges that whether this depth distance value is less than the distance of depth laser range finder to curtain wall in; If less than then preserving this distance; Send signal to the horizontal laser light stadimeter with vertical laser range finder simultaneously, measure horizontal range and vertical range, record data and return middle control computer; If this depth then promotes the depth laser range finder to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) after the whole measuring points of completion were measured, horizontal step motor drive vertical guide rail moved to next vertical line, and the depth laser range finder begins to continue to measure the depth distance from first measuring point, till accomplishing whole vertical lines and measuring point.
(5) after the depth of whole vertical lines of completion 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 accomplish the shape of overflow and draw.
Beneficial effect of the present invention is:
1, provide a kind of new more accurately more reliable hydraulic model test to measure the method for overflow;
2, can the work of measurement overflow be carried out automatically through setting program.
Description of drawings
Fig. 1 mechanical hook-up general assembly of the present invention synoptic diagram;
Fig. 2 embodiment of the invention 1 obtains overflow shape figure.
Embodiment
Automatically measure the equipment of sluicing overflow shape and method provides a kind of convenient, fast and accurate measurement sluicing overflow shape just for hydraulic model test method in the hydraulic model test of the present invention.
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, the synchrodrive tooth bar 9 up and down, synchronous transmission gear group 10; Horizontal stepper motor 11, vertical stepper motor 12, middle control computer 13.
Horizontal guide rail 1 is a double track up and down, is fixed on the model side in a horizontal manner, contains the side of whole tested overflow up and down with the formed face of horizontal length;
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 the vertical guide rail 2, is the level of state 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, links to each other with vertical guide rail 2 through synchrodrive tooth bar 9 up and down, and horizontal stepper motor 11 promotes vertical guide rails 2 along horizontal guide rail 1 slip;
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 the vertical range finding dish 4, and vertical range finding dish 4 usefulness sliding sleeves 14 are fixed on the vertical guide rail 2, and sliding sleeve 14 can slide on vertical guide rail 2;
Vertical range finding dish 4 links to each other with the vertical stepper motor 12 of vertical guide rail 2 one ends through tooth bar, and vertical stepper motor 12 promotes vertical range finding dish 4 and slides along vertical guide rail 2;
The laser beam of curtain wall 5 in order to reflection depth laser range finder 8 is set on the guide rail opposite;
Concrete range finding step is:
(1) in middle control computer 13, sets the aggregate level displacement of vertical guide rail 2 and total vertical moving distance of depth laser range finder 8;
(2) control computer 13 sends movable signal to horizontal stepper motor 11 with vertical stepper motor 12 in; 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 this distance value to middle control computer 13;
(3) 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 in; If less than then preserving this distance; Send signal to horizontal laser light stadimeter 6 with vertical laser range finder 7 simultaneously; Measure horizontal range and vertical range, record data and return middle control computer; If this depth then promotes depth laser range finder 8 to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) after the whole measuring points of completion were measured, horizontal stepper motor 11 drove vertical guide rails 2 and moves to next vertical line, and depth laser range finder 8 begins to continue to measure the depth distance from first measuring point, and the repetition above-mentioned steps is till accomplishing whole vertical lines and measuring point.
(5) after the depth of whole vertical lines of completion 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 accomplish the shape of overflow and draw.
Claims (7)
1. equipment and the method for measuring sluicing overflow shape in the hydraulic model test automatically comprise: 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, synchrodrive tooth bar up and down, synchronous transmission gear group; Horizontal stepper motor, vertical stepper motor, middle control computer.
2. based on equipment and the method for measuring sluicing overflow shape in the described hydraulic model test of claim 1 automatically; It is characterized in that: described horizontal guide rail is double track up and down; Be fixed on the model side in a horizontal manner, contain the side of whole tested overflow up and down with the formed face of horizontal length;
Vertical guide rail is a single track, and two ends are fixed on the 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 the vertical guide rail, is the level of state its range finding laser vertical sensing level range finding dish.
3. measure the equipment and the method for sluicing overflow shape in the hydraulic model test according to claim 1 automatically, it is characterized in that: described horizontal stepper motor is fixed on an end of horizontal guide rail, links to each other with vertical guide rail through tooth bar.
4. based on equipment and the method for measuring sluicing overflow shape in the described hydraulic model test of claim 1 automatically; It is characterized in that: described vertical laser range finder is fixed on and horizontal laser light rangefinder same position; With the horizontal laser light rangefinder in vertical state, its range finding laser vertical directed in orthogonal range finding dish;
The depth laser range finder is fixed on the vertical range finding dish, and vertical range finding dish is fixed on the vertical guide rail with sliding sleeve.
5. measure the equipment and the method for sluicing overflow shape in the hydraulic model test according to claim 1 automatically; It is characterized in that: described vertical range finding dish links to each other with the vertical stepper motor of vertical guide rail one end through tooth bar, and vertical stepper motor promotes vertical range finding rim vertical guide rail and slides.
6. measure the equipment and the method for sluicing overflow shape in the hydraulic model test according to claim 1 automatically, it is characterized in that: the described laser beam that curtain wall is set on the guide rail opposite in order to reflection depth laser range finder.
7. according to equipment and the method for measuring sluicing overflow shape in each described hydraulic model test of claim 1～6 automatically, it is characterized in that:
Concrete range finding step is:
(1) in middle control computer, sets the aggregate level displacement of vertical guide rail and total vertical moving distance of depth laser range finder;
(2) control computer sends movable signal to horizontal stepper motor with vertical stepper motor in; 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 this distance value to middle control computer;
(3) control computer judges that whether this depth distance value is less than the distance of depth laser range finder to curtain wall in; If less than then preserving this distance; Send signal to the horizontal laser light stadimeter with vertical laser range finder simultaneously, measure horizontal range and vertical range, record data and return middle control computer; If this depth then promotes the depth laser range finder to next measuring point apart from equaling the distance of depth laser range finder to curtain wall;
(4) after the whole measuring points of completion were measured, horizontal step motor drive vertical guide rail moved to next vertical line, and the depth laser range finder begins to continue to measure the depth distance from first measuring point, till accomplishing whole vertical lines and measuring point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110218886 CN102322821B (en) | 2011-08-01 | 2011-08-01 | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test |
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| CN 201110218886 CN102322821B (en) | 2011-08-01 | 2011-08-01 | Equipment and method for automatically measuring water escape nappe shape in hydraulic model test |
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| CN102322821A true CN102322821A (en) | 2012-01-18 |
| CN102322821B CN102322821B (en) | 2013-06-19 |
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Cited By (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 |
| CN109506593A (en) * | 2018-09-21 | 2019-03-22 | 南昌工程学院 | The device and application method that the trajectory nappe angle of emergence, immersion angle measure |
| CN110991021A (en) * | 2019-11-25 | 2020-04-10 | 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 flow-picking nappe |
| CN112129251A (en) * | 2020-08-06 | 2020-12-25 | 中国科学院力学研究所 | Ultrasonic landform instrument driving device for laboratory water tank |
| CN113670225A (en) * | 2021-07-29 | 2021-11-19 | 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 profile and turbulent boundary of water release structure |
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| JPS63317705A (en) * | 1987-06-19 | 1988-12-26 | Sanyo Electric Co Ltd | Shape measuring instrument |
| CN1693843A (en) * | 2004-05-09 | 2005-11-09 | 谢会骅 | Space laser Newton's ring collimater and computer intelligent core tracking |
| US20070171434A1 (en) * | 2006-01-23 | 2007-07-26 | Wickhart John C | Method and apparatus for performing overhead crane rail alignment surveys |
| 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 |
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2011
- 2011-08-01 CN CN 201110218886 patent/CN102322821B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63317705A (en) * | 1987-06-19 | 1988-12-26 | Sanyo Electric Co Ltd | Shape measuring instrument |
| CN1693843A (en) * | 2004-05-09 | 2005-11-09 | 谢会骅 | Space laser Newton's ring collimater and computer intelligent core tracking |
| US20070171434A1 (en) * | 2006-01-23 | 2007-07-26 | Wickhart John C | Method and apparatus for performing overhead crane rail alignment surveys |
| 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 |
Cited By (8)
| 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 |
| CN109506593A (en) * | 2018-09-21 | 2019-03-22 | 南昌工程学院 | The device and application method that the trajectory nappe angle of emergence, immersion angle measure |
| 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 |
| CN110991021A (en) * | 2019-11-25 | 2020-04-10 | 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 flow-picking nappe |
| 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 |
| CN112129251A (en) * | 2020-08-06 | 2020-12-25 | 中国科学院力学研究所 | Ultrasonic landform instrument driving device for laboratory water tank |
| CN113670225A (en) * | 2021-07-29 | 2021-11-19 | 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 profile and turbulent boundary of water release structure |
| 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 |
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| CN102322821B (en) | 2013-06-19 |
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