CN106895954B - The driving measuring device and method automatically moved on a kind of expanded letter sink - Google Patents
The driving measuring device and method automatically moved on a kind of expanded letter sink Download PDFInfo
- Publication number
- CN106895954B CN106895954B CN201710102890.0A CN201710102890A CN106895954B CN 106895954 B CN106895954 B CN 106895954B CN 201710102890 A CN201710102890 A CN 201710102890A CN 106895954 B CN106895954 B CN 106895954B
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- sink
- blade
- expanded letter
- bed
- driving
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a kind of large-scale expanded letter sink silt bed surface flatening methods and its instrument to set up apparatus and method, its system includes at least the rectangle blade (17) height-adjustable, with level (15) of a large-scale expanded letter sink (14) and setting equipped with silt and water in the large size expanded letter sink (14), while further including that buckle more than four surveys frame (21).Its method mainly goes to be bulldozed sand bed by height adjustable rectangle blade (17), while being positioned using horizontal laser light instrument (19) and being calibrated sand bed flatness, to obtain the very high smooth silt bed surface of consistency.More buckles of the opposite another side of steel knife, which survey frame (21), can guarantee that mobile driving can carry kinds of experiments instrument.The present invention can accurately determine the flatness of sand bed in 2 millimeters of error ranges;The present invention can also make the initial river scraping blade (16) of different in width according to the difference of requirement of experiment, have broad applicability to laboratory sink.
Description
Technical field
The present invention relates to the large size that the experiment of environment silt is carried out in hydraulic engineering, environmental project and ocean engineering laboratory is wide
Body moves bed experimental trough technical field.
Background technique
In the experimental studies such as bed configuration differentiation, the defeated shifting of bed load, movable-bed model test, width is only used less than 1m's
Glass flume often brings biggish wall effect, but uses the large-scale expanded letter sink of 2m or more, the erection of laboratory apparatus
And how silt flattens all is very troubling problem in sink.
Nearly 10 years, with the update of measuring instrument progress and research ideas, the laboratory experiment using expanded letter sink was emerging again
It rises, injects new vitality for understanding river dynamics.Noticeable, Braudrick etc. in the sink fix by Planting Medicago sativa bud
Point bar and riverbank, simulate continued curve formation and skewed slot sanction bends through journey, and think that the shock strength that alfalfa bud provides is to maintain
Accept as unavoidable river and rush curved necessary condition, fine sediment supply is the key factor for maintaining bend stable, this important understanding with
Yin Xueliang thinks that " suspended load, which forms river bend, when big flow has particularly significant influence " plays the same tune on different musical instruments.In the recent period, by silty sand
Addition silica flour also successfully moulds the tortuous channel of similar natural river, and convex bank point bar and simulation skewed slot sanction is effectively fixed
It is curved, and think that the sufficient and necessary condition for maintaining the meandering flow of shingle bed to be formed is that persistent disturbances and flooding from upstream are put down
Original shape at.As it can be seen that addition viscous fine particle and plantation herbaceous plant are that meandering flow and guidance nature are moulded in indoor water tank experiment
Cut out curved key factor.
In the tortuous channel either in braided channel of research natural river, use it is mostly be sedimentation in alluvial channel of landslide slot, although in glass
Experiment sand leveling in glass sink is still easier, but in order to preferably restore the actual conditions in field, it is desired nonetheless to
Use large-scale expanded letter sedimentation in alluvial channel of landslide slot, and in this way when leveling experiment is husky exactly one have very much technical work.
Currently, smooth silt bed surface, often using manually with blade or thin plate with feeling to be bulldozed, two meters are reached for width
Above, length reaches tens meters or up to a hundred meters of expanded letter sink, not only heavy workload, but also is difficult to accomplish that longitudinal direction reaches consistent
Flatness.There are also problems for the carrying of laboratory apparatus, can only be based on fixation, and if to be pinpointed in expanded letter sink
Sampling is also had no idea, and be can only enter sink, bed surface can be made to be destroyed in this way, and whole group experiment is scrapped.
Summary of the invention
The problem to be solved in the present invention is:
1, the problem of initial bed surface of the silt of large-scale experiment expanded letter sink flattens work, so as to be directed to tens meters or up to a hundred
The long sink of rice accomplishes that longitudinal direction reaches consistent flatness.
2, action, instrument erection, grab sampling problem of the experimenter on large-scale expanded letter sink.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
1, system unit includes: one large-scale expanded letter sink (long × wide to be at least 20m × 4m), a level, and one
Laser, one piece of rectangle steel blade, two frequency-changing AC electricity motor, two root long straight steel pipes, one group of seamless trolley
With one block of horizontal connection steel plate.
2, the present invention mainly designs a kind of driving that can be automatically moved on large-scale expanded letter sink, the two sides of driving
Have the function of different.Mobile driving can be positioned using horizontal laser light to calibrate sand bed flatness on one side, to obtain consistent
The very high smooth silt bed surface of property;Another side can flexibly install multiple groups experiment instrument, and laboratory technician can be allowed to water at any time
Experiment in slot is moved bed and is sampled.
3, steps are as follows for use of the mobile driving in large-scale expanded letter sink:
Step is 1.: fine sand being added in large-scale expanded letter sink, first manually substantially paves, the thinnest part of this layer of fine sand needs
It is thicker than the thickness of requirement;
Step is 2.: disposing laser in one end of sink, determines the elevation location for needing smooth bed surface in advance, adjust laser
Device height is overlapped with bed elevation is had determined that, laser is opened, to other end emission level laser rays;
Step is 3.: putting down the rectangle blade corrected by level from the side of mobile driving and enters fine sand bed
In face, while the lower edge of rectangle blade is aligned with laser rays center;
Step is 4.: the adjustable frequency motor of the mobile driving of starting longitudinally starts to move using low speed along sink, rectangle knife
Sector-meeting starts voluntarily to be bulldozed sand bed;
Step is 5.: if the extra sand drift product before blade close to rectangle blade top edge, before rectangle blade
Outside extra silt screw clamp, continue to be bulldozed sand bed, until the sink other end;
Step is 6.: completing after first pass evens up sand bed, if part is still uneven or recess, can add before rectangle blade
Enter a certain amount of silt, continuation is evened up for the second time, until entire sand bed is fully horizontal, rectangle blade is raised up to after horizontal
The height not being in contact with sand bed;
Step is 7.: selecting suitable position from the other side of mobile driving, sets up the instrument that experiment needs to use;
Step is 8.: when needing to sample, laboratory technician can come from the side of mobile driving, and it is suitable that mobile driving is moved to
Position, laboratory technician put down sampler in driving, complete sampling.
The driving measuring device automatically moved on the expanded letter sink that the present invention uses be it is such, it include at least one dress
There is the large-scale expanded letter sink of silt and water and laser of the large size expanded letter sink wherein outside one end is set, and including setting
Set the moving flatcar of the frame controllable speed in the large size expanded letter sink.It is specifically such, in the two sides of mobile driving
The use function having nothing in common with each other, side are equipped with three adjustable vertical connectings in position, and three vertical connectings are vacantly hung down into glass
In glass sink, rectangle blade is located at the bottom of vertical connecting, and level is located at rectangle shape blade top;The other side is equipped with
Two horizontal positioned smooth steel pipes, having set up above can be with four survey frame of transverse shifting.
For the rectangle blade of the leveling sand bed of side, at the both ends of rectangle blade, certain width is reserved in setting
So that it can't directly be contacted with large-scale expanded letter sink.The vertical connecting being arranged positioned at the left and right sides with axial symmetry and center
Between vertical connecting among the connection of triangle is carried out with other steel pipes, this can make to control two vertical connectings with just
Intermediate connecting rod keeps the horizontal upper and lower fine adjustment of progress, it is also possible that the rectangle shape of three vertical connecting bottoms
Blade reaches horizontal.The bayonet of intermediate vertical connecting is designed such that fixes one section enough slightly in vertical connecting
Screw-thread steel, driving then has one section of screw thread mouth above, and screw-thread steel is passed through by welding a knop above after screw thread mouth
Rotating handles control intermediate connecting rod, it will be able to be finely adjusted to its bottom level.Frame is surveyed for the instrument of the other side, it will
Have the transverse direction that two are parallel to sink and set up smooth steel pipes, have distinct interface four survey framves will be mounted in it is smooth
Steel pipe on, this by guarantee transverse shifting be not obstructed.
The present invention has the advantage that the height adjustable horizontal rectangle blade of mobile driving side can be bulldozed sand
Bed, while positioning using horizontal laser light and calibrating sand bed flatness, to obtain the very high smooth silt bed surface of consistency;It compares
The sand bed pushed by hand, the present invention can accurately determine sand bed water level position and control the smooth up to 1 millimeter of sand bed
Error range.The mobile driving other side can satisfy carrying (such as laser leveler, dissolved oxygen instrument, ADV, PIV of a variety of instruments
Deng), so that sink purposes is more extensive, and experiment is improved from fixed bed level to dynamic bed.If being equipped with the camera shooting of tri- axis of XYZ again
Change procedure in test can be carried out three-dimensional presentation by technology.Driving samples at any time for laboratory technician, will not be to dynamic
Bed damages.
Detailed description of the invention
Fig. 1 is Facad structure figure of the invention;
Fig. 2 is construction profile of the invention.
Description of symbols: the horizontal guardrail of 1-, the vertical guardrail of 2-, 3- level current steel plate, the smooth steel pipe of 4-;5- variable-frequency electric
Motivation, 6- vertical connecting, 7- hit exactly normal thread bar, 8- transverse triangle stabiliser bar, 9- rectangle blade control handle, 10-
Electronic box, the seamless trolley of 11-, 12- idler wheel, 13- fine sand layer, 14- large size expanded letter sink, 15- level, the initial river 16-
Scraping blade, 17- rectangle blade, the initial river scraping blade control handle of 18-, 19- horizontal laser light instrument, 20- rail, 21- buckle survey more
Frame.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Main member of the invention first is initial river scraping blade 16, rectangle blade 17, level 15, the vertical spiral shell in center
Rasp bar 7, adjustable frequency motor 5, seamless trolley 11, horizontal laser light instrument 19, smooth steel pipe 4, electronic box 10, more buckles survey frame 21.
Firstly, in rectangle blade 17 and large-scale expanded letter sink 14, there are the lateral distances of 10cm, this is in order to avoid length
Square blade 17 directly contacts the waterproof wall surface of large-scale expanded letter sink 14, scratches waterproof wall surface, while large-scale expanded letter sink 14 is vertical
It can not complete unanimously, to need to reserve certain position between rectangle blade 17 and large-scale expanded letter sink 14 to width.It is located at
The seamless trolley 11 on large-scale 14 right side of expanded letter sink will guarantee that there is no the electric wires of redundancy, and can effectively prevent electric wire mill
Danger of hazardous electrical discharges after damage.
Level 15 is placed in 17 top of rectangle blade, is used to indicate blade level, reaches complete convenient for adjusting blade
It is horizontal.Horizontal laser light instrument 19 is placed in large-scale 14 starting point of expanded letter sink, according to the silt horizontal position that experiment needs, adjusts water
Flat laser 19 makes its radioactivity level laser rays just get to 17 tail end of rectangle blade, determines blade elevation position with this position
It sets.
On the sink top surface rail 20 for the two sides that two idler wheels 12 in left and right are placed in large-scale 14 top surface of expanded letter sink, to entire
Mobile driving provides holding power and action edge.Vertical connecting 6 is used to connect rectangle blade 17 and horizontal current steel plate 3,
Center normal thread bar 7 is connected using screw thread mouth with horizontal current steel plate 3, vertical connecting 6 and center normal thread bar 7 cross
It is connected to stable triangular bar 8, this can make rectangle blade 17 pass through the rectangle blade control on the normal thread bar 7 of center
Handle 9 carries out height adjustment, and initial river scraping blade 16 then carries out height adjustment by initial river scraping blade control handle 18.
Frame 21 is surveyed for more buckles of the other side, it will the smooth steel pipe for there are two transverse directions for being parallel to sink to set up
4, have distinct interface more than four buckle survey frame 21 will be mounted on smooth steel pipe, this will guarantee transverse shifting not by
Resistance.
All components will be mobile with the current steel plate 3 of level.It is adjustable frequency motor 5 in the lower section of horizontal current steel plate 3,
It will provide power required for idler wheel 12, and what idler wheel 12 contacted is rail 20, and rail 20 is laid on large-scale expanded letter sink 14
Both sides.By the size of current in control electronic box 10, the speed of mobile driving will be also controlled.
As depicted in figs. 1 and 2, the present invention is implemented: first horizontal sharp in the placement of one end of large-scale expanded letter sink 14
Light instrument 19, determines the elevation location of the smooth bed surface of sand bed fine sand layer 13, adjusts horizontal laser light instrument 19 along having determined that horizontal position
To large-scale 14 other end emission level laser of expanded letter sink.By rotating rectangle blade control handle 9, adjusts and hit exactly vertical spiral shell
Rasp bar 7 is aligned 17 lower edge of rectangle blade with horizontal laser line.Then revolving speed is carried out to adjustable frequency motor 5 with electronic box 10
It adjusts, to carry out speed adjusting to entire mobile driving, mobile driving will drive rectangle blade 17 and initial river scraping blade
16, start to flatten riverbed.If the extra sand drift product before blade is removed extra silt and is arrived close to 17 top edge of rectangle blade
Outside sink, continue to be bulldozed sand bed;If there is the sand pit lower than 17 lower edge of rectangle blade before blade, it is thin to insert part
It is husky.When reaching one end of large-scale expanded letter sink 14, scraping sand terminates.
Specific step is such that
Step is 1.: fine sand layer 13 is added in large-scale expanded letter sink 14, first manually substantially paves, this layer of fine sand it is most thin
Place needs thicker than desired thickness;
Step is 2.: disposing horizontal laser light instrument 19 in one end of large-scale expanded letter sink 14, determination needs smooth bed surface in advance
Elevation location adjusts 19 height of horizontal laser light instrument and is overlapped with bed elevation is had determined that, open horizontal laser light instrument 19, sends out to the other end
Penetrate horizontal laser line;
Step is 3.: putting down from the side of mobile driving and pass through rectangle blade 17 that level 15 was corrected into bed
In face fine sand layer 13, while the lower edge of rectangle blade 17 is aligned with the laser rays center that horizontal laser light instrument 19 projects;
Step is 4.: the adjustable frequency motor 5 of the mobile driving of starting, using low speed, starts to move along large-scale expanded letter sink 14 is longitudinal
Dynamic, rectangle blade 17 can start voluntarily to be bulldozed sand bed, and initial river scrapes the beginning of sector-meeting 16 and voluntarily scrapes initial river;
Step is 5.: if the extra sand drift product before blade removes extra silt to large size expanded letter close to blade top edge
Outside sink 14, continue to be bulldozed sand bed fine sand layer 13, until large-scale 14 other end of expanded letter sink;
Step is 6.: it completes after first pass evens up sand bed, it, can be in 17 front of rectangle blade if part is still uneven or recess
A certain amount of silt is added, continuation is evened up for the second time, until entire sand bed is fully horizontal, it is horizontal later by 17 liters of rectangle blade
It rises to the height not being in contact with sand bed;
Step is 7.: selecting suitable position from the other side of mobile driving, surveys framves 21 in more buckles and set up experiment and need to make
The instrument used;
Step is 8.: when needing to sample, laboratory technician can come from the side of mobile driving, and it is suitable that mobile driving is moved to
Position, laboratory technician put down sampler in driving, complete sampling.
Certainly, above is specific application example of the invention, and there are other embodiments of the invention, all using equivalent
The technical solution that replacement or equivalent transformation are formed, all falls within protection scope of the presently claimed invention.
Claims (2)
1. the driving measuring device automatically moved on a kind of expanded letter sink, it is characterised in that: it includes at least one and silt is housed
Horizontal laser light instrument (19) with the expanded letter sink (14) of water and setting in the expanded letter sink (14) wherein one end, and including setting
A height-adjustable rectangle blade (17) and a height in the driving measuring device of the expanded letter sink (14) can
The initial river scraping blade (16) adjusted, and it is placed in the level (15) above rectangle blade (17);Rectangle blade
(17) there are the lateral distances of 10cm with expanded letter sink (14);Driving is equipped with two center normal thread bars, and a center is hung down
Straight thread bar is connected with transverse triangle stabiliser bar (8);Transverse triangle stabiliser bar (8) both ends and rectangle blade (17) both ends phase
Even, and by rectangle blade (17) control handle (9) Lai Jinhang blade height on the normal thread bar of center it adjusts, initial river
Road scraping blade (16) is then connected on another center normal thread bar, and passes through the initial river on another center normal thread bar
Road scraping blade control handle (18) carries out height adjustment;Multiple groups laboratory apparatus is housed in driving, and allows laboratory technician in sink
Dynamic bed is tested to be sampled.
2. a kind of application method of the driving measuring device automatically moved on expanded letter sink according to claim 1, special
Sign is:
Step is 1.: fine sand layer (13) are added in expanded letter sink (14), first manually substantially pave;
Step is 2.: disposing horizontal laser light instrument (19) in one end of expanded letter sink (14), determines the elevation for needing smooth bed surface in advance
Position adjusts horizontal laser light instrument (19) and is highly overlapped with bed elevation is had determined that, open horizontal laser light instrument (19), sends out to the other end
Penetrate horizontal laser line;
Step is 3.: putting down from the side of mobile driving and pass through rectangle blade (17) that level (15) was corrected into bed
In face fine sand layer (13), while the laser rays center pair that the lower edge of rectangle blade (17) and horizontal laser light instrument (19) are projected
Together;
Step is 4.: the adjustable frequency motor (5) of the mobile driving of starting, using low speed, longitudinally starts to move along expanded letter sink (14), long
Square blade (17) can start voluntarily to be bulldozed sand bed, and initial river scrapes sector-meeting (16) and starts voluntarily to scrape initial river;
Step is 5.: if the extra sand drift product before blade removes extra silt to expanded letter sink (14) close to blade top edge
Outside continues to be bulldozed sand bed fine sand layer (13), until expanded letter sink (14) other end;
Step is 6.: completing after first pass evens up sand bed, if part is still uneven or recess, one is added before rectangle blade (17)
Quantitative silt, continuation are evened up for the second time, until entire sand bed is fully horizontal, are raised up to rectangle blade (17) after horizontal
The height not being in contact with sand bed;
Step is 7.: select suitable position from the other side of mobile driving, more buckles survey frame (21) set up experiment need using
The instrument arrived;
Step is 8.: when needing to sample, laboratory technician comes from the side of mobile driving, and mobile driving is moved to suitable position, real
The person of testing puts down sampler in driving, completes sampling.
Priority Applications (1)
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CN201710102890.0A CN106895954B (en) | 2017-02-24 | 2017-02-24 | The driving measuring device and method automatically moved on a kind of expanded letter sink |
Applications Claiming Priority (1)
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CN201710102890.0A CN106895954B (en) | 2017-02-24 | 2017-02-24 | The driving measuring device and method automatically moved on a kind of expanded letter sink |
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CN106895954A CN106895954A (en) | 2017-06-27 |
CN106895954B true CN106895954B (en) | 2019-07-23 |
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CN201710102890.0A Expired - Fee Related CN106895954B (en) | 2017-02-24 | 2017-02-24 | The driving measuring device and method automatically moved on a kind of expanded letter sink |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107988992B (en) * | 2017-11-14 | 2020-01-14 | 浙江海洋大学 | Sediment test device for experiments |
CN112179614A (en) * | 2020-08-26 | 2021-01-05 | 河海大学 | Bed surface lifting device for real-time silt flushing test of silt |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62187232A (en) * | 1986-02-13 | 1987-08-15 | Mitsubishi Heavy Ind Ltd | Testing device for formation of ripple mark |
CN103910313A (en) * | 2014-04-15 | 2014-07-09 | 山东省科学院海洋仪器仪表研究所 | Travelling system for experiment sink |
CN105758685A (en) * | 2016-04-07 | 2016-07-13 | 长沙理工大学 | Experimental water tank sediment bed surface leveling method and experimental water tank sediment bed surface leveling device |
CN205517901U (en) * | 2016-03-22 | 2016-08-31 | 山东科技大学 | Founding and strickle device off for model test of platform basis |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101713176B (en) * | 2009-09-29 | 2011-02-16 | 黄河水利委员会黄河水利科学研究院 | River space-time self-moulding model |
-
2017
- 2017-02-24 CN CN201710102890.0A patent/CN106895954B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62187232A (en) * | 1986-02-13 | 1987-08-15 | Mitsubishi Heavy Ind Ltd | Testing device for formation of ripple mark |
CN103910313A (en) * | 2014-04-15 | 2014-07-09 | 山东省科学院海洋仪器仪表研究所 | Travelling system for experiment sink |
CN205517901U (en) * | 2016-03-22 | 2016-08-31 | 山东科技大学 | Founding and strickle device off for model test of platform basis |
CN105758685A (en) * | 2016-04-07 | 2016-07-13 | 长沙理工大学 | Experimental water tank sediment bed surface leveling method and experimental water tank sediment bed surface leveling device |
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