CN102966069B - Testing apparatus for simulating effects of different forms and combinations of spur dikes on water flow and sediments - Google Patents
Testing apparatus for simulating effects of different forms and combinations of spur dikes on water flow and sediments Download PDFInfo
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- CN102966069B CN102966069B CN201210460707.1A CN201210460707A CN102966069B CN 102966069 B CN102966069 B CN 102966069B CN 201210460707 A CN201210460707 A CN 201210460707A CN 102966069 B CN102966069 B CN 102966069B
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Abstract
The invention relates to a model testing apparatus for simulating effects of different forms and different combinations of spur dikes on water flow and sediments. The apparatus comprises a water pump, a temporary water storage tank, energy dissipation plates, a test section, a spur dike blade, an effluent weir, a grille and arc water passing corridors; a drogue can float on water to simulate the movement condition and the erosion and deposition condition of the sediments; clamping strips with holes are arranged at the upper parts of both sides of the test section and grooves with holes are arranged at the lower parts of both the sides of the test section, so that the lower part of the spur dike blade is inserted into the grooves and the upper part of the spur dike blade is fixed by screws arranged in the adjacent holes, can be conveniently assembled and disassembled and can conveniently rotate; the triangular weir is provided with a liftable baffle; when the triangular weir is matched with the liftable baffle for use, the effluent volume and the flow rate of the water flow on the test section can be regulated; and the middle of the grille is designed into a mesh shape, so that the arc water passing corridors at the upper part and the water passing corridors at the lower part are connected and the water circulation is implemented. Compared with an existing model, the model testing apparatus can conveniently and rapidly show the influence of different forms and combinations of spur dikes on the water flow and the erosion and deposition condition of the sediments and is economical and environment-friendly.
Description
Technical field
The present invention relates to a kind of model test apparatus, especially relate to the model test apparatus of a kind of groynes of simulating multi-form and various combination to current and influence to sediment effect.
Background technology
Groynes is as conventional dredging waterway and safeguard building, in hydraulic engineering, is widely used.Between the impact of groynes on current of multi-form, combination and dam, the situation of erosion and deposition is different, is the important content in teaching.In order to coordinate teaching, experimental model teaching need be set, and groynes teaching mode is actually rare.But the existing groynes teaching mode in laboratory is take wave current tank as basic facilities mostly, larger, cost is higher, and also extremely inconvenient when teaching demonstration.Not yet find at present good groynes teaching mode or solution.
Summary of the invention
Object of the present invention is exactly to provide a kind of in order to overcome the deficiency that above-mentioned existing model exists can simulate multi-form, the model test apparatus of combination groynes to current and studies on sediment.
Object of the present invention can be achieved through the following technical solutions:
A kind of simulation is multi-form, the model test apparatus of combination groynes to current and studies on sediment, described model test apparatus is positioned at test section, comprise interim reservoir, energy dissipating plate, groove with holes, clamp bar with holes, triangular-notch weir, grid, water pump and groynes sheet, described test section is positioned at arch and crosses directly over water gallery, test section front portion is provided with 2 blocks of energy dissipating plates, test section bottom is fixed in an energy dissipating plate one end, test section top is fixed in another piece energy dissipating plate one end, two blocks of energy dissipating plates are not in the same plane, space between energy dissipating plate and test section front portion is interim reservoir, clamp bar with holes is positioned at test section two upper lateral parts, groove with holes is positioned at test section two side lower parts, insert in groove with holes groynes sheet lower end, upper end is screwed on clamp bar with holes, triangular-notch weir is positioned at test section rear portion, and described triangular-notch weir is provided with liftable baffle plate, and test section afterbody and arch are crossed water gallery junction and be provided with grid.
In the present invention, described interim reservoir top has pipe hole, and described pipe hole place connects water pump by water pipe, and water is extracted out by water pipe, is delivered to the interim reservoir on top.
In the present invention, described grid adopts square plate, is evenly distributed with grid in it, for holding back drogue, and realizes the circulation of water.
In the present invention, the specification of described groynes sheet is 5cm length and the long two kinds of specifications of 10cm, to meet groynes multi-form and combination.
In the present invention, described arch is crossed water gallery top and is provided with pipe hole.
In the present invention, described energy dissipating plate front is the ground sill that is arranged on the high 13cm in bottom, and after ground sill, 10cm receives top but the baffle plate of bottom hollow out 3cm, forms one section of interim little reservoir, can effectively cut down the flow energy of water pump suction, steadily current.
The high 37cm of described test section, long 81cm, two upper lateral part mounting strap hole clamp bars, groove with holes is installed in bottom, makes under groynes sheet to insert groove, above fixes with the screw of installing in adjacent holes, can conveniently assemble and disassemble, rotation.
Described triangular-notch weir is furnished with liftable baffle plate, and both are used in conjunction with to regulate flows out the water yield and test section flow rate of water flow.
Owing to having adopted technique scheme, the present invention has the following advantages:
Being designed to Dual-layer structure is in order to save material and space, realizes the self-loopa of water body;
Make two kinds of specification groynes sheets, the groove with holes of groynes sheet two ends termination compatibility test section bottom and the clamp bar on top, fix with nut and bottom groove, both can meet groynes multi-form and combination, again can easy disassembly;
Realize water body self-loopa completely, improved water body utilization rate of the present invention.
Accompanying drawing explanation
Fig. 1 is the front view of this device in embodiment;
Fig. 2 is the top view of this device in embodiment;
Fig. 3 is the right view of this device in embodiment
Fig. 4 is the left view of this device in embodiment;
Fig. 5 is the structural representation of groove 4 with holes in Fig. 1;
Fig. 6 is groynes sheet 3 schematic diagrames in Fig. 1;
Fig. 7 is the structural representation that Fig. 1 intermediate cam weir and arch are crossed water gallery;
Fig. 8 is the structural representation of grid 7 in Fig. 1.
Number in the figure: 1 is that interim reservoir, 2 is that energy dissipating plate, 3 is that groynes sheet, 4 is that groove with holes, 5 is that clamp bar with holes, 6 is that triangular-notch weir, 7 is grid, 8 cross water gallery for arch, 9 is the pipe hole at interim reservoir top, 10 cross the pipe hole at water gallery top for arch, 11 is water pump, and 12 is the hole on groove with holes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
Model test apparatus---the multifunction combined groynes model of the groynes of simulating multi-form and various combination to current and influence to sediment effect, as shown in Figure 1, this invention is mainly made up of two main parts general structure: top test section and bottom water-stored section.This device comprises that energy dissipating plate 2, groove with holes 4, clamp bar with holes 5, triangular-notch weir 6, grid 7, arch cross water gallery 8, water pump 11.Energy dissipating plate 2 fronts are the ground sill that is arranged on the high 13cm in bottom, and after ground sill, 10cm receives top but the baffle plate of bottom hollow out 3cm, forms one section of interim reservoir 1, can effectively cut down the flow energy of water pump suction, steadily current.
The high 37cm of described test section, long 81cm, two upper lateral part mounting strap hole clamp bars, groove with holes is installed in bottom, and groove 4 with holes is inserted in groynes sheet bottom, and upper end is fixed with clamp bar 5 with holes and screw, size and the angle that can need to adjust according to test groynes sheet, be combined.
Triangular-notch weir 6 is positioned at the afterbody of test section, and the baffle plate that is positioned at triangular-notch weir 6 places can lift adjustment flow out the water yield and test section flow rate of water flow.The water of carrying drogue secretly flows through triangular-notch weir by grid 7, and the drogue of carrying secretly is trapped, and current enter arch by grid 7 and cross water gallery 8, realize the self-loopa of system water body.
The course of work of this device: before test, first, according to test needs, groynes sheet 3 is installed, is combined adjustment; Secondly, in test section, put into water, connect water pump and corresponding water guide pipeline.Start water pump, extract water out from the water storage part that is positioned at bottom, send into the interim reservoir on top.Current are through energy dissipating plate, and energy reduction, enters test section after tending to be steady.Put into appropriate white drogue in test section end, float floats on waterborne, with water movement, simulates the interaction situation of groynes and current, silt.From the motion of float, can observe streamflow regime, as whirlpool, backflow, flow path etc., also can reflect washing away, depositing of simulation silt.Finally, current are being carried drogue secretly and are being crossed the diffluence of water gallery through grid 7 to arch, and drogue is trapped on grid, enter arch and cross water gallery and do not affect current.So far, bottom water body can be again by water pump suction top, so circulation.
Claims (4)
1. a simulation is multi-form, the model test apparatus of combination groynes to current and studies on sediment, the top test section that it is characterized in that described model test apparatus comprises interim reservoir, energy dissipating plate, groove with holes, clamp bar with holes, triangular-notch weir, grid, water pump and groynes sheet, described test section is positioned at arch and crosses directly over water gallery, test section front portion is provided with 2 blocks of energy dissipating plates, test section bottom is fixed in an energy dissipating plate one end, test section top is fixed in another piece energy dissipating plate one end, two blocks of energy dissipating plates are not in the same plane, space between energy dissipating plate and test section front portion is interim reservoir, clamp bar with holes is positioned at test section two upper lateral parts, groove with holes is positioned at test section two side lower parts, insert in groove with holes groynes sheet lower end, upper end is screwed on clamp bar with holes, triangular-notch weir is positioned at test section rear portion, and described triangular-notch weir is provided with liftable baffle plate, and test section afterbody and arch are crossed water gallery junction and be provided with grid, described interim reservoir top has pipe hole, and described pipe hole place connects water pump by water pipe, and water pump is extracted bottom water body out by water pipe, is delivered to the interim reservoir on top.
2. multi-form, the model test apparatus of combination groynes to current and studies on sediment of simulation according to claim 1, is characterized in that described grid adopts square plate, is evenly distributed with grid in it.
3. multi-form, the model test apparatus of combination groynes to current and studies on sediment of simulation according to claim 1, the specification that it is characterized in that described groynes sheet is that the long and 10cm of 5cm grows two kinds of specifications.
4. multi-form, the model test apparatus of combination groynes to current and studies on sediment of simulation according to claim 1, is characterized in that described arch crosses water gallery top and be provided with pipe hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460707.1A CN102966069B (en) | 2012-11-16 | 2012-11-16 | Testing apparatus for simulating effects of different forms and combinations of spur dikes on water flow and sediments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460707.1A CN102966069B (en) | 2012-11-16 | 2012-11-16 | Testing apparatus for simulating effects of different forms and combinations of spur dikes on water flow and sediments |
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| Publication Number | Publication Date |
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| CN102966069A CN102966069A (en) | 2013-03-13 |
| CN102966069B true CN102966069B (en) | 2014-06-25 |
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| CN201210460707.1A Expired - Fee Related CN102966069B (en) | 2012-11-16 | 2012-11-16 | Testing apparatus for simulating effects of different forms and combinations of spur dikes on water flow and sediments |
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| CN107288097B (en) * | 2017-06-29 | 2018-12-25 | 浙江大学 | It is a kind of for simulating groynes to the experimental rig and method of flow action |
| CN107354908A (en) * | 2017-06-29 | 2017-11-17 | 河海大学 | River model stoplog type gate water tank |
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| CN2146754Y (en) * | 1992-11-09 | 1993-11-17 | 重庆石油学校 | Multi-functional water tank for demonstration purpose |
| JP4083393B2 (en) * | 2001-05-08 | 2008-04-30 | 鹿島建設株式会社 | Tsunami experiment equipment |
| CN2747565Y (en) * | 2004-07-23 | 2005-12-21 | 浙江大学 | Stoplog type self-circulation open ditch experiment trough |
| CN101713175B (en) * | 2009-09-29 | 2011-05-25 | 黄河水利委员会黄河水利科学研究院 | High sediment concentration waterflood river bed tearing simulation test method |
| CN201610538U (en) * | 2009-09-29 | 2010-10-20 | 黄河水利委员会黄河水利科学研究院 | River bottom peeling off simulation test device of hyperconcentrated flood |
| CN101877194B (en) * | 2010-06-25 | 2011-08-31 | 中国科学院水利部成都山地灾害与环境研究所 | Device for simulating thin runoff |
| CN102507135B (en) * | 2011-10-19 | 2014-09-24 | 河海大学 | Experimental tank system of riparian zone |
| CN102663923A (en) * | 2012-04-27 | 2012-09-12 | 三峡大学 | Small-sized fishway teaching test model capable of being assembled |
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