CN110610645B - Sediment movement demonstration structure - Google Patents
Sediment movement demonstration structure Download PDFInfo
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- CN110610645B CN110610645B CN201910928043.9A CN201910928043A CN110610645B CN 110610645 B CN110610645 B CN 110610645B CN 201910928043 A CN201910928043 A CN 201910928043A CN 110610645 B CN110610645 B CN 110610645B
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Abstract
The invention relates to the technical field of sediment movement, and discloses a sediment movement demonstration structure, which comprises a water supply tank and a water tank for demonstrating sediment movement; the water tank comprises a demonstration groove strip and a water inlet tank, the rear end part of the demonstration groove strip is communicated with the inside of the water inlet tank, and the demonstration groove strip and the water inlet tank are integrally formed and arranged; the water supply tank is arranged with an upward opening, the tail end of the front end part of the demonstration groove strip is provided with a water outlet, and the water outlet is arranged right above the water supply tank; a water pump is arranged in the water supply tank, a guide pipe is connected to the water pump, and the other end of the guide pipe is communicated with the water inlet tank; the below of demonstration groove is provided with the regulation structure that is used for adjusting demonstration groove inclination, and through adjusting the structure, the operator can freely adjust the inclination of demonstration groove, and then realizes the demonstration to the silt under the different environment to, the demonstration can not receive external environment restriction, and the inner loop can be realized to the water in the feed water tank, has simplified the structure of demonstration model, does not receive external restriction, and it is very convenient at removal and adjustment in-process.
Description
Technical Field
The invention relates to the technical field of sediment movement, in particular to a sediment movement demonstration structure.
Background
The movement of silt refers to the movement of silt such as scouring, carrying and depositing in canals, deserts, reservoirs, pipelines and on the seashore and other areas under the action of water, wind and waves.
At present, the research on the movement of silt in the water conservancy industry is mature day by day, and research institutions need functions of demonstration, modeling analysis and the like by related models besides observing in field watersheds.
Among the prior art, relevant basin model is rare, and existing mostly be large-scale and the comparatively fixed laboratory bench of structure, so, at the in-process that carries out silt movement demonstration, can only demonstrate in specific region, therefore silt movement demonstration structure has the problem of inconvenient removal.
Disclosure of Invention
The invention aims to provide a sediment movement demonstration structure and aims to solve the problem that the sediment movement demonstration structure is inconvenient to move in the prior art.
The invention is realized in this way, the silt movement demonstration structure comprises a water supply tank and a water tank for demonstrating silt movement; the water tank comprises a demonstration groove strip and a water inlet tank, the rear end part of the demonstration groove strip is communicated with the inside of the water inlet tank, and the demonstration groove strip and the water inlet tank are integrally formed and arranged; the water supply tank is arranged with an upward opening, the tail end of the front end part of the demonstration groove strip is provided with a water outlet, and the water outlet is arranged right above the water supply tank; a water pump is arranged in the water supply tank, a guide pipe is connected to a water outlet of the water pump, and the other end of the guide pipe is communicated with the water inlet tank; and an adjusting structure for adjusting the inclination angle of the demonstration groove strip is arranged below the demonstration groove strip.
Furthermore, adjust the structure and include first support frame and second support frame, first support frame is arranged demonstrate on the lower lateral wall of the preceding tip of groove, and with the lower lateral wall of demonstration groove is articulated to be arranged, the second support frame is arranged demonstrate on the lower lateral wall of the rear end portion of groove, the second support frame can be followed the vertical direction and moved about from top to bottom.
Furthermore, the bottom of second support frame has the lift, the lift includes the lift axle and is used for the drive the motor that the lift axle goes up and down, the upper end of lift axle with the lower lateral wall of demonstration groove strip is movable arrangement.
Further, the lifting shaft is in rolling contact with the lower side wall of the demonstration groove strip through a roller structure.
Further, the gyro wheel structure is including rolling wheel and gyro wheel support, the wheel that rolls is fixed through the roller bearing the inside of gyro wheel support, the lateral wall of gyro wheel support court the rear end portion of demonstration groove strip extends and crosses the wheel that rolls forms the guide wall that is the vacant arrangement, the gyro wheel support with the upper end fixed connection of lift axle, be provided with the stopper on the lower lateral wall of the rear end portion of demonstration groove strip, the stopper has the orientation the butt face that the wheel that rolls was arranged, be provided with the spacing groove on the butt face, the guide wall is embedded in the spacing inslot, the wheel butt that rolls is in on the butt face.
Further, the periphery cover of lift axle is equipped with the elasticity post, the upper end butt of elasticity post the bottom of gyro wheel support, the lower extreme butt of elasticity post the upper surface of motor, the elasticity post is the pre-compaction environment.
Furthermore, a water storage cavity is arranged in the water inlet tank, the water storage cavity comprises an overflow cavity at the upper part and a water storage cavity at the lower part, the height of the water storage cavity is lower than that of the demonstration groove strip, and the guide pipe is communicated with the water storage cavity.
Furthermore, the upper end face of the demonstration groove strip is provided with a bearing surface for bearing silt, and along the width direction of the bearing surface, the bearing surface is downwards sunken to form a plurality of settling tanks for settling silt, and the settling tanks are arranged in parallel at intervals and divide the bearing surface into a plurality of impact sections.
Further, the impact section comprises a straight section, an arc-shaped section and an irregular section which are integrally formed and arranged.
Further, the settling tank comprises a first settling tank and a second settling tank, the first settling tank is arranged between the straight section and the arc-shaped section, and the second settling tank is arranged between the arc-shaped section and the irregular section; along the length direction of the first settling tank and the second settling tank, a first filter screen and a second filter screen are sequentially arranged in the settling tanks; and a third filter screen is covered at the rear end part of the demonstration groove strip along the width direction of the demonstration groove strip.
Compared with the prior art, the silt movement demonstration structure provided by the invention has the advantages that the adjusting structure capable of adjusting the demonstration groove is arranged below the demonstration groove, so that an operator can freely adjust the inclination angle of the demonstration groove, and further demonstration of silt in different environments is realized, a better simulation effect is achieved, a circulative loop is formed among the water tank, the water inlet tank and the water supply tank, an external water source is not needed, internal circulation can be realized through water in the water supply tank, other accessories are not needed, the structure of the silt movement demonstration model is simplified, and the silt movement demonstration structure is lighter and more convenient to carry and transfer.
Drawings
FIG. 1 is a schematic perspective view of a sediment movement demonstration structure provided by the present invention;
FIG. 2 is a schematic perspective view of an adjustment structure of the sediment movement demonstration structure provided by the invention;
fig. 3 is a schematic front view of a bearing surface on a demonstration groove strip of the sediment movement demonstration structure provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-3, preferred embodiments of the present invention are shown.
The sediment movement demonstration structure comprises a water supply tank 150 and a water tank for sediment movement demonstration; the water tank comprises a demonstration groove strip 100 and a water inlet tank 110, the rear end part of the demonstration groove strip 100 is communicated with the interior of the water inlet tank 110, and the demonstration groove strip 100 and the water inlet tank 110 are integrally formed and arranged; the water supply tank 150 is arranged with an upward opening, the tail end of the front end part of the demonstration groove strip 100 is provided with a water outlet, and the water outlet is arranged right above the water supply tank 150; a water pump is arranged in the water supply tank 150, a guide pipe 140 is connected to the water outlet of the water pump, and the other end of the guide pipe 140 is communicated with the water inlet tank 110; an adjusting structure for adjusting the inclination angle of the demonstration groove bar 100 is arranged below the demonstration groove bar 100.
The silt movement demonstration structure that the aforesaid provided, can adjust the regulation structure of demonstration groove 100 through the below setting at demonstration groove 100, thus, the operator can freely adjust the inclination of demonstration groove 100, and then realize the demonstration to the silt under the different environment, thereby reach the simulation effect of preferred, and, the basin, but form a circulated return circuit between intake box 110 and the feed water tank 150, do not need external water source, also need not other accessories, can not receive external environment's restriction simultaneously, can realize the internal circulation through the water in the feed water tank 150, the structure of silt movement demonstration model has been simplified, and is lighter and more handy, all very convenient in carrying and transfer process.
The water pump is a long plunger sand control pump, and adopts a long plunger, a short pump barrel, pump-down sand setting and lateral water inlet structures; mainly comprises a long plunger, a short pump barrel, a two-way joint, a sand setting outer barrel, a water inlet and outlet valve, a hydraulic communication type pump sand blocking ring and other parts.
The working principle of sand blocking and sand grinding is that under the combined action of the sand blocking ring and the leakage liquid, sand grains are prevented from entering a sealing gap between the plunger and the pump barrel, so that the sand blocking is avoided, the abrasion of the pump barrel and the plunger is reduced, and a surface strengthening layer is protected.
The adjusting structure comprises a first supporting frame 120 and a second supporting frame 130, the first supporting frame 120 is arranged on the lower side wall of the front end part of the demonstration groove strip 100, the lower side wall of the demonstration groove strip 100 is hinged to the first supporting frame 130, the second supporting frame 130 is arranged on the lower side wall of the rear end part of the demonstration groove strip 100, the second supporting frame 130 can move up and down along the vertical direction, and therefore when the second supporting frame 130 moves up, the water tank rotates around the first supporting frame 120, the rear end part of the demonstration groove strip 100 is lifted at the moment, the demonstration water tank is high in rear end and low in front end, and further demonstration of impact effect of water flow on silt in different inclination angle environments is achieved.
The sliding frame 200 is arranged below the water supply tank 150, the sliding wheel 170 is arranged on the bottom surface of the sliding frame 200, the adjusting structure is fixedly arranged with the sliding frame 200, and the pushing handle is arranged on one side of the sliding frame 200, so that the silt movement demonstration structure 10 can be conveniently pushed.
Of course, the guide pipe 140 is also provided with a water valve 160, and the water valve 160 can adjust the water pumping amount of the water pump, so that the impact effect on the sediment under different water yield conditions can be simulated, and different inclination angles of the demonstration water tank are matched, so that more sediment movement demonstration conditions can be simulated.
Specifically, the second supporting frame 130 has a lifter at the bottom thereof, the lifter includes a lifting shaft 131 and a motor for driving the lifting shaft 131 to lift, and the upper end of the lifting shaft 131 is movably disposed with the lower sidewall of the demonstration groove 100.
The lift axle 131 passes through the gyro wheel structure and demonstrates the lower side wall roll butt of channel bar 100, like this, when lift axle 131 risees up, the gyro wheel structure rolls in the bottom of demonstrating channel bar 100, plays the effect of support to demonstrating channel bar 100 simultaneously, like this, through the gyro wheel structure, is adjusting the in-process of demonstrating channel bar 100 inclination more laborsaving, convenient.
The roller structure comprises a rolling wheel 133 and a roller bracket 132, the rolling wheel 133 is fixed inside the roller bracket 132 through a rolling shaft, the side wall of the roller bracket 132 extends towards the rear end part of the demonstration groove strip 100 and crosses the rolling wheel 133 to form a guide wall which is arranged in a vacant way, the roller bracket 132 is fixedly connected with the upper end of the lifting shaft 131, the lower side wall of the rear end part of the demonstration groove strip 100 is provided with a limit block 134, the limit block 134 is provided with a butt joint surface which is arranged towards the rolling wheel 133, the butt joint surface is provided with a limit groove, the guide wall is embedded into the limit groove, the rolling wheel 133 is in butt joint with the butt joint surface, when the lifting shaft 131 is driven by a motor to ascend, the rear end part of the demonstration groove strip 100 is lifted at the moment, and the rolling wheel 133 slides to the rear end of the limit block 134; when the motor drives the lifting shaft 131 to descend, the rear end part of the demonstration groove bar 100 is lowered at the moment, and the rolling wheel 133 slides to the front end of the limiting block 134; in this process, the guide wall is sunk in the limiting groove, and can limit and guide the sliding direction of the rolling wheel 133.
Arrange respectively there is the bracing piece in the both sides of demonstration groove 100, the bracing piece butt is on the lateral wall of demonstration groove 100, the bracing piece has the inboard side towards demonstration groove 100, the scale mark has been arranged on the inboard side, the scale mark can be used for measuring the height that demonstration groove 100 was raised or reduced, and then obtain the inclination of demonstration groove 100, in addition, still be equipped with the block groove of the cockscomb structure that the lateral wall towards demonstration groove 100 arranged on the inboard side, sliding tray and fastening bolt, fastening bolt runs through the thickness direction of bracing piece and places in the sliding tray, when demonstration groove 100 adjusts suitable height, the block groove butt of cockscomb structure is on the lateral wall of demonstration groove 100, fastening bolt screws up this moment, fastening bolt extends out and the butt on the lateral wall of demonstration groove 100 from the sliding tray inside, further realize the fixed to demonstration groove 100.
The periphery cover of lift axle 131 is equipped with the elasticity post, the bottom of the upper end butt gyro wheel support 132 of elasticity post, the upper surface of the lower extreme butt motor of elasticity post, the elasticity post is the pre-compaction environment, and the elasticity post can promote the stability of lift axle 131 at the lift in-process, plays good cushioning effect, can not cause the interference to silt at the lift in-process, and then the stability and the accuracy of guarantee demonstration.
Inside water storage chamber that has at inlet box 110, the water storage chamber includes the overflow chamber on upper portion and the water storage chamber of lower part, the height that highly is less than demonstration channel bar 100 in the water storage chamber, pipe 140 switches on the water storage chamber, thus, when pipe 140 supplies water to the water storage intracavity, the water level slowly risees at the water storage intracavity, when reacing the water storage chamber, water slowly overflows from the water storage chamber, because the water storage chamber has the area that spills over of great area, consequently, it is more even that water flows demonstration channel bar 100 in-process from the water storage chamber, it is stable, can reduce the error because the water yield is inhomogeneous to cause, further improve silt motion demonstration structure 10's stability and reliability.
The up end of demonstration groove strip 100 has the loading end that is used for bearing silt, and along the width direction of loading end, the loading end is sunken downwards and is formed with a plurality of subsiders that are used for silt to subside, is parallel interval arrangement between a plurality of subsiders, separates into a plurality of impact segments with the loading end, and the subsider separates between each impact segment, and like this, in the demonstration in-process of carrying out, can guarantee the independence between each impact segment, can not receive the interference of silt on the adjacent impact segment.
The bearing surface is provided with a plurality of simulation layers, the lowest layer is a concrete layer, the upper layer of the concrete is an asphalt layer, the upper layer of the asphalt layer is a coarse sand layer, the coarse sand layer is adhered to the asphalt layer and fully paved with the asphalt layer, and then silt required by a demonstration experiment is paved above the coarse sand layer, so that the friction force and the geological condition of a river bed or a water flow impact part are simulated as far as possible, and the demonstration has more authenticity and reliability.
The impact section comprises a straight section 101, an arc-shaped section 102 and an irregular section 103, and the straight section 101, the arc-shaped section 102 and the irregular section 103 are integrally formed and arranged, so that the effect that silt is impacted on the ground surfaces in different shapes can be simulated.
In addition, the settling tank includes a first settling tank disposed between the straight section 101 and the arc section 102, and a second settling tank disposed between the arc section 102 and the irregular section 103; along the length direction of the first settling tank and the second settling tank, a first filter screen 1061 and a second filter screen 1071 are sequentially arranged in the settling tanks; the rear end of the demonstration groove 100 is covered with a third filter 109 along the width direction of the demonstration groove 100.
A first partition plate 106 is arranged in the first settling tank, the first settling tank is divided into a first collecting area 1041 and a second collecting area 104 by the partition plate along the flowing direction of water, and a first filter screen 1061 is arranged above the first partition plate 106; the second settling tank is internally provided with a second partition plate 107, the second settling tank is divided into a third collecting area 1051 and a fourth collecting area 105 by the second partition plate 107 along the flowing direction of water, a second filter screen 1071 is arranged above the second partition plate 107, and the first partition plate 106 and the second partition plate 107 can keep the sand collected in the adjacent collecting areas in an independent environment, so that the subsequent statistics and measurement of the soil lost after being impacted by water are facilitated.
Specifically, the first collection region 1041 collects the soil lost from the straight section 101, the second collection region 104 and the third collection region 1051 collect the soil lost from the arc section 102, and the fourth collection region 105 collects the soil lost from the irregular section 103.
And, at irregular section 103's rear end, be provided with back collecting vat 108 for carry out final collection to the silt of the aquatic behind straight section 101, arc section 102 and irregular section 103, like this, in the hydrologic cycle process, bring silt into feed tank 150 as far as possible, can not disturb the work of water pump on the one hand, on the other hand, improve the cleanliness factor of circulating water, improve the degree of accuracy of demonstration.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The sediment movement demonstration structure is characterized by comprising a water supply tank and a water tank for demonstrating sediment movement; the water tank comprises a demonstration groove strip and a water inlet tank, the rear end part of the demonstration groove strip is communicated with the inside of the water inlet tank, and the demonstration groove strip and the water inlet tank are integrally formed and arranged; the water supply tank is arranged with an upward opening, the tail end of the front end part of the demonstration groove strip is provided with a water outlet, and the water outlet is arranged right above the water supply tank; a water pump is arranged in the water supply tank, a guide pipe is connected to a water outlet of the water pump, and the other end of the guide pipe is communicated with the water inlet tank; an adjusting structure for adjusting the inclination angle of the demonstration groove is arranged below the demonstration groove;
the upper end surface of the demonstration groove strip is provided with a bearing surface for bearing silt, the bearing surface is downwards sunken along the width direction of the bearing surface to form a plurality of settling tanks for settling the silt, and the settling tanks are arranged in parallel at intervals to divide the bearing surface into a plurality of impact sections;
the impact section comprises a straight section, an arc-shaped section and an irregular section which are integrally formed and arranged;
the settling tank comprises a first settling tank and a second settling tank, the first settling tank is arranged between the straight section and the arc-shaped section, and the second settling tank is arranged between the arc-shaped section and the irregular section; along the length direction of the first settling tank and the second settling tank, a first filter screen and a second filter screen are sequentially arranged in the settling tanks; and a third filter screen is covered at the rear end part of the demonstration groove strip along the width direction of the demonstration groove strip.
2. The sediment movement demonstration structure of claim 1, wherein the adjusting structure comprises a first support frame and a second support frame, the first support frame is arranged on the lower side wall of the front end part of the demonstration groove strip and is hinged with the lower side wall of the demonstration groove strip, the second support frame is arranged on the lower side wall of the rear end part of the demonstration groove strip, and the second support frame can move up and down along the vertical direction.
3. The sediment movement demonstration structure of claim 2, wherein the bottom of the second support frame is provided with a lifter, the lifter comprises a lifting shaft and a motor for driving the lifting shaft to lift, and the upper end of the lifting shaft is movably arranged with the lower side wall of the demonstration groove strip.
4. The sediment movement demonstration structure of claim 3, wherein the lifting shaft is in rolling abutment with the lower side wall of the demonstration groove strip through a roller structure.
5. The sediment movement demonstration structure of claim 4, wherein the roller structure comprises a rolling wheel and a roller support, the rolling wheel is fixed inside the roller support through a rolling shaft, the side wall of the roller support extends towards the rear end part of the demonstration groove strip and crosses the rolling wheel to form a guide wall which is arranged in a vacant way, the roller support is fixedly connected with the upper end of the lifting shaft, a limiting block is arranged on the lower side wall of the rear end part of the demonstration groove strip, the limiting block is provided with an abutting surface which faces the rolling wheel, a limiting groove is arranged on the abutting surface, the guide wall is embedded into the limiting groove, and the rolling wheel abuts against the abutting surface.
6. The sediment movement demonstration structure of claim 5, wherein an elastic column is sleeved on the periphery of the lifting shaft, the upper end of the elastic column is abutted against the bottom of the roller bracket, the lower end of the elastic column is abutted against the upper surface of the motor, and the elastic column is in a pre-pressing environment.
7. The sediment movement demonstration structure as claimed in any one of claims 1 to 6, wherein a water storage cavity is arranged in the water inlet tank, the water storage cavity comprises an upper overflow cavity and a lower water storage cavity, the height of the water storage cavity is lower than that of the demonstration groove, and the guide pipe is communicated with the water storage cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910928043.9A CN110610645B (en) | 2019-09-27 | 2019-09-27 | Sediment movement demonstration structure |
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| CN201910928043.9A CN110610645B (en) | 2019-09-27 | 2019-09-27 | Sediment movement demonstration structure |
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| CN110610645B true CN110610645B (en) | 2021-08-20 |
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| CN201434950Y (en) * | 2009-05-31 | 2010-03-31 | 北京京东方光电科技有限公司 | Tray used for assembling LCM |
| CN201811833U (en) * | 2010-09-28 | 2011-04-27 | 中国海洋大学 | Marine sediment movement simulating device |
| CN202614752U (en) * | 2012-05-16 | 2012-12-19 | 河海大学 | Device for simulating bottom sediment erosion and transmission features of variable-slope rectangular water tank |
| CN104198155B (en) * | 2014-09-17 | 2017-02-15 | 山东大学 | Device and method for approximate simulation of particle transport and permeable pavement blockage under runoff action |
| CN206459920U (en) * | 2017-03-01 | 2017-09-01 | 四川农业大学 | A kind of experimental provision for simulating soil anti-scouribility |
| WO2018165262A1 (en) * | 2017-03-09 | 2018-09-13 | Shell Oil Company | Constructing stratigraphic images of sediment distribution in a subsurface of the earth |
| CN107059764B (en) * | 2017-05-08 | 2022-08-02 | 天津大学 | Experimental equipment for simulating water flow sediment bed-building process |
| CN207362787U (en) * | 2017-08-22 | 2018-05-15 | 杨会来 | A kind of water conservancy tests channel deposits deposition simulation device |
| KR102071239B1 (en) * | 2017-11-24 | 2020-01-30 | 대한민국 | Integrated steep slope collapse simulation system |
| CN108303518A (en) * | 2018-03-20 | 2018-07-20 | 西北农林科技大学 | A kind of removable soil erosion experimental rig |
| CN208985506U (en) * | 2018-06-29 | 2019-06-14 | 长江大学 | A kind of geology Xishui County slot experimental teaching auxiliary device |
| CN208701596U (en) * | 2018-07-06 | 2019-04-05 | 广东省水利水电科学研究院 | Bed material washout test sample case with automatic jacking device |
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