CN109750639B - Sand blocking and hydraulic sand discharging device for high-sand-content river - Google Patents
Sand blocking and hydraulic sand discharging device for high-sand-content river Download PDFInfo
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- CN109750639B CN109750639B CN201811525520.9A CN201811525520A CN109750639B CN 109750639 B CN109750639 B CN 109750639B CN 201811525520 A CN201811525520 A CN 201811525520A CN 109750639 B CN109750639 B CN 109750639B
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Abstract
The invention discloses a sand blocking and hydraulic sand discharging device for a high-sand-content river, which comprises a supporting mechanism, a propeller mechanism, a transmission mechanism and a sand pushing and blocking mechanism, wherein the propeller mechanism comprises a rotary paddle protecting plate and propeller blades fixedly connected to the rotary paddle protecting plate, the transmission mechanism comprises a transmission rod paddle side movable shaft, a transmission rod side movable shaft and a connecting rod, one end of the transmission rod paddle side movable shaft is fixedly connected to the rotary paddle protecting plate, the other end of the transmission rod side movable shaft is connected with the transmission rod, one end of the transmission rod side movable shaft is connected with the transmission rod, the other end of the transmission rod side movable shaft is connected with the connecting rod, the propeller blades rotate to push the rotary paddle protecting plate to rotate, then the transmission rod is driven to perform reciprocating motion and transmit to the. The device has simple structure and construction method, low cost and wide application range, does not need additional sand discharge measures, and can effectively solve the problems of sand blocking and sand discharge of the river with high sand content.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a sand blocking and hydraulic sand discharging device for a river with high sand content.
Background
As is known, for mountainous areas and sloping fields on both sides of mountainous areas and rivers, when rainfall exceeds the sum of water source conservation capacity and infiltration capacity, surface runoff is formed by natural rainfall according to topographic fluctuation and gradient change, flow and flow velocity are gradually increased after gradual confluence, and fine ditch erosion is caused by scouring on the surface, particularly for areas with poor water source conservation capacity, concentrated rainfall and surface runoff bursting and falling.
In addition, the soil, silt particles, litter, nutrient elements rich in the litter and the like carried in rainfall runoff are finally bound into mountainous rivers through a natural hydrological process to become bed load and suspended load in river water, so that the problems of large sediment content, high concentration of particulate nitrogen and phosphorus pollutants, ecological damage and the like of the mountainous rivers are caused.
Along with the river entering the plain section, the river channel longitudinal slope is slowed down, the flow velocity of water flow is reduced, a large amount of soil, silt particles, litter and the like in the water flow gradually settle, and under the action of the soil particles with strong adhesion, the riverbed silts up and blocks the river channel, so that the normal flood discharge function of the river channel is influenced, and the ecological environment of the river is damaged.
In order to effectively recover and improve the related functions of the river, how to clean and dispose the sediment deposited on the river bed becomes an important content for the comprehensive treatment of the river.
At present, the treatment of the deposited silt is mainly implemented through engineering measures of river channel dredging, but the engineering cost is high, the related functions of the river channel can be only temporarily recovered through one-time dredging, and in order to ensure that the river channel keeps long-term and efficient operation, fundamental treatment methods such as slope erosion control enhancement, mountain ecological environment and water source conservation capacity recovery and establishment of a silt flushing balance mechanism of the river channel are searched from the source, but a long-term grope and a practical process are required to be gradually implemented. How to realize interception and discharge of river sediment by using simple engineering measures becomes an important and practical proposition for river regulation.
In recent years, for example, patent CN 104727267B discloses a compound sand barrier capable of forming a longitudinal spiral flow for blocking and removing sand, which aims at the problems of blocking and removing sand in a low-head water diversion type power station, the water flow forms a spiral flow by utilizing the included angle between the water flow direction and the sand barrier, and the spiral flow is utilized to start and transport the pushed sediment, so that the sediment enters the downstream along with the water flow, and the sediment is prevented from being deposited in front of the power station. But on one hand, the application range of the method has obvious limitation, and on the other hand, the method does not consider that silt is directly discharged out of a river channel, and the problem of silt deposition possibly still occurs at the downstream.
Therefore, in order to solve the technical problems in the prior art and realize the long-term interception and discharge of river sediment, a sand blocking and hydraulic sand discharging device for a river with high sediment content needs to be designed urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a sand blocking and hydraulic sand discharging device for a river with high sand content, which is applied to blocking the sediment of the river with larger sediment content and realizing automatic discharge of the sediment by utilizing the hydraulic principle, thereby reducing the sediment content of the river and eliminating the risk of river channel siltation.
The specific technical scheme of the invention is as follows: a sand blocking and hydraulic sand discharging device for a river with high sand content comprises a supporting mechanism, a propeller mechanism, a transmission mechanism and a sand pushing and blocking mechanism, wherein the propeller mechanism comprises a rotary propeller protecting plate 4 and propeller blades 5, the propeller blades 5 are fixedly connected on the rotary propeller protecting plate 4, the rotation of the propeller blades 5 pushes the rotary propeller protecting plate 4 to rotate, the transmission mechanism comprises a transmission rod paddle side movable shaft 7, a transmission rod 8, a transmission rod plate side movable shaft 9 and a connecting rod 11, one end of the transmission rod paddle side movable shaft 7 is fixedly connected with the rotary paddle protecting plate 4, the other end is connected with the transmission rod 8, one end of the driving rod plate side movable shaft 9 is connected with the driving rod 8, the other end is connected with the connecting rod 11, the rotary paddle protecting plate 4 rotates to drive the transmission rod 8 to do reciprocating motion and transmit the reciprocating motion to the connecting rod 11, and then the sand pushing and blocking mechanism is driven to work.
Further, the rotating blade protecting plate 4 is made of stainless steel or PVC materials, and the propeller blades 5 are made of PVC materials.
Further, the transmission mechanism further comprises a sliding groove 10, the lower portion of the sliding groove 10 is fixedly connected to the support mechanism, and the lower portion of the transmission rod plate side movable shaft 9 is embedded into the sliding groove 10, so that on one hand, the transmission rod plate side movable shaft 9 is guaranteed to be always close to the support mechanism to slide, and on the other hand, the moving track of the transmission rod 8 is guaranteed not to deviate from the river channel middle shaft.
Further, push away husky mechanism of blocking sand pushes away husky board 12, 13 and the fender sand board 15 of going ashore, the removal push away husky board 12 with connecting rod 11 links to each other, connecting rod 11 drives the removal pushes away husky board 12 and slides along fender sand board 15 and 13 of going ashore gentle slopes.
Further, the sand blocking plate 15 is combined with the embankment gentle slope 13 to ensure that the movable sand pushing plate 12 slides back and forth along an included angle between the movable sand pushing plate and the embankment gentle slope.
Further, the lower part of the embankment gentle slope 13 is a river bank slope, one end of the embankment gentle slope is fixedly connected with the supporting mechanism smoothly, and the other end of the embankment gentle slope is located on the river bank slope, so that the movable sand pushing plate 12 slides on the movable sand pushing plate and guides the movable sand pushing plate 12 to push deposited silt to embankment.
Further, the movable sand pushing plate 12 is perpendicular to the supporting mechanism or the top end and slightly inclined towards the inside of the river channel.
Furthermore, the sand pushing and blocking mechanism also comprises a sand blocking net 14, the height of which is not lower than the highest water level line of the river channel, and the sand blocking net is used for blocking particulate matters in the river, the particle size of which is larger than the meshes of the sand blocking net 14.
Further, the sand blocking plate 15 blocks the sediment intercepted by the sand blocking net 14.
Further, the device also comprises a sand storage tank 16, wherein the sand storage tank 16 is used for storing the silt pushed out from the river channel by the movable sand pushing plate 12.
The invention has the following advantages and beneficial effects:
1) by utilizing the combined mode of the sand blocking net and the sand blocking plate, the river bed load and suspended load silt are more effectively blocked while the water passing is kept;
2) the transmission rod, the connecting rod and the movable sand pushing plate are pushed to move by the hydraulic action of the propeller, so that the sediment deposited in front of the sand blocking plate is pushed to be automatically discharged;
3) the device has simple structure and construction method, low cost and wide application range, does not need additional sand discharge measures, and can effectively solve the problems of sand blocking and discharging of the river with high sand content.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view showing the overall construction of a sand-blocking and hydraulic sand-discharging apparatus for a high-sand river according to the present invention;
in the drawings, the reference numbers:
1-bottom plate, 2-propeller fixing plate, 3-propeller bracket, 4-rotary propeller protecting plate, 5-propeller blade, 6-propeller mandrel, 7-transmission rod paddle side movable shaft, 8-transmission rod, 9-transmission rod side movable shaft, 10-sliding groove, 11-connecting rod, 12-movable sand pushing plate, 13-embankment gentle slope, 14-sand blocking net, 15-sand blocking plate and 16-sand storage groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A sand-blocking and hydraulic sand-discharging device for a high sand-laden river according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in figure 1, the sand blocking and hydraulic sand discharging device for the high sand-containing river mainly comprises a supporting mechanism, a propeller mechanism, a transmission mechanism, a sand pushing and blocking mechanism and a sand storing mechanism, wherein,
the supporting mechanism mainly comprises a bottom plate 1, wherein the bottom plate 1 can be made of a stainless steel plate or can be constructed by concrete, has high firmness and smooth surface, and is convenient for moving the sand pushing plate 12 to slide and discharging silt out of a river channel;
the propeller mechanism mainly comprises a propeller fixing plate 2, a propeller bracket 3, a rotary propeller protecting plate 4, propeller blades 5, a propeller core shaft 6 and the like, wherein,
the propeller fixing plate 2 is made of stainless steel, the lower part of the propeller fixing plate is fixedly connected to the bottom plate 1, the upper part of the propeller fixing plate is fixedly provided with a propeller bracket 3, and further the propeller fixing plate is fixedly connected with and supports a propeller blade 5 through a rotary propeller protecting plate 4,
the propeller support 3 is also made of stainless steel and can be two or more, the lower part of the propeller support is fixedly connected on the propeller fixing plate 2, the upper part of the propeller support is converged and then fixedly connected at the outer side of the rotary propeller protecting plate 4,
the two rotary propeller protecting plates 4 are made of stainless steel or PVC material with higher strength, the inner sides of the rotary propeller protecting plates are fixedly connected with the propeller blades 5 to protect the propeller blades 5, one end of the outer sides of the rotary propeller protecting plates are fixedly connected with the propeller bracket 3 to ensure the stability of the propeller mechanism, the other ends of the rotary propeller protecting plates are provided with the propeller side movable shaft 7,
the propeller blades 5 are made of PVC material with higher strength and are fixedly connected to the rotary propeller protecting plate 4, the rotary propeller protecting plate 4 can be pushed to rotate under the action of water power under the impact of water flow, the conversion from water flow energy to mechanical energy of the rotary propeller protecting plate 4 is realized,
it should be noted that the propeller blades 5 may be provided in any number as desired,
the propeller core shaft 6 is made of stainless steel or PVC material with high strength and is mainly used for fixing the core shaft end of the propeller blade 5;
the transmission mechanism mainly comprises a transmission rod paddle side movable shaft 7, a transmission rod 8, a transmission rod plate side movable shaft 9, a sliding groove 10, a connecting rod 11 and the like, wherein,
one end of the transmission rod paddle side movable shaft 7 is fixedly connected to the rotary paddle protecting plate 4, the other end is connected with the transmission rod 8, the rotary paddle protecting plate 4 can drive the transmission rod 8 to realize reciprocating motion when rotating,
the transmission rod 8 is made of stainless steel, one end of the transmission rod 8 is connected with the transmission rod paddle side movable shaft 7 and moves in a reciprocating mode along with the transmission rod paddle side movable shaft 7, and the other end of the transmission rod 8 is connected with the transmission rod paddle side movable shaft 9;
the lower part of the driving rod plate side movable shaft 9 is embedded into a sliding groove 10, one end of the driving rod side movable shaft is connected with the driving rod 8, the other end of the driving rod side movable shaft is connected with two connecting rods 11, the reciprocating motion of the driving rod 8 can be transmitted to the connecting rods 11 and further transmitted to a movable sand pushing plate 12,
the sliding groove 10 is made of stainless steel with smooth surface and high strength, the lower part of the sliding groove is fixedly connected to the bottom plate 1, on one hand, the movable shaft 9 on the side of the transmission rod plate can be ensured to always slide at the position close to the bottom plate 1, on the other hand, the moving track of the transmission rod 8 can be ensured not to deviate from the middle shaft of the river channel,
the two connecting rods 11 are made of stainless steel with higher strength, one end of each connecting rod 11 is connected with the movable shaft 9 on the side of the transmission rod plate, the other end of each connecting rod 11 is connected with the movable sand pushing plate 12, and the movable sand pushing plate 12 is pushed to slide along the sand blocking plate 15 and the embankment gentle slope 13 by the reciprocating motion of the transmission rod 8;
the sand pushing and blocking mechanism comprises a movable sand pushing plate 12, a landing gentle slope 13, a sand blocking net 14 and a sand blocking plate 15, wherein,
the movable sand pushing plates 12 are arranged into two blocks, which are made of stainless steel with higher strength, the movable sand pushing plates 12 are perpendicular to the bottom plate 1 or the top end of the movable sand pushing plates is slightly inclined towards the inside of the river channel, and can reciprocate along the sand blocking plates 15 and the embankment gentle slopes 13 under the pushing of the connecting rods 11 and push the silt deposited at the upper part of the sand blocking plates 15 to a sand storage tank outside the river channel,
the embankment gentle slope 13 is made of stainless steel with smooth surface and high strength, the lower part of the embankment gentle slope is a river bank slope, one end of the river bank slope is smoothly and fixedly connected with the bottom plate 1, the other end of the river bank slope is positioned on the river bank slope, the movable sand pushing plate 12 can slide upwards and guide the movable sand pushing plate 12 to push the deposited silt to go to the bank,
the sand blocking net 14 is made of stainless steel wires, the height of the sand blocking net is not lower than the highest water level line of a river channel, the aperture of the sand blocking net 14 can be adjusted according to actual conditions, the sand blocking net 14 can block particulate matters in the river, the particle size of the particulate matters is larger than the meshes of the sand blocking net 14, the lower part of the sand blocking net is provided with a sand blocking plate 15,
the sand blocking plate 15 is made of stainless steel with smooth surface and high strength, can block the silt blocked by the sand blocking net 14 and is combined with the embankment gentle slope 13 to ensure that the movable sand pushing plate 12 slides back and forth along an included angle between the sand blocking plate and the embankment gentle slope;
store up husky mechanism mainly includes storing up husky groove 16, it adopts brick-concrete structure to store up husky groove 16, also can adopt materials such as stainless steel to make the finished product, and mainly used stores and removes the silt that pushes away husky board 12 and push out from the river course, is convenient for store silt on the one hand, and on the other hand also is convenient for clear up.
The construction method of the sand blocking and hydraulic sand discharging device of the high-sand-content river comprises the following steps:
1) a bottom plate 1 is installed on a river bed, a propeller fixing plate 2 is fixed at a proper position on the upstream of the bottom plate 1, a sliding groove 10 is fixed on the middle and downstream, a sand baffle 15 is fixed on the downstream, and a landing gentle slope 13 is fixed on the upstream and downstream of the sand baffle 15;
2) a propeller bracket 3 is arranged on the propeller fixing plate 2, and a rotary propeller protecting plate 4, a propeller side movable shaft 7 of a transmission rod, a propeller core shaft 6 and propeller blades 5 are arranged on the propeller bracket 3;
3) one end of a transmission rod 8 is connected to the transmission rod paddle side movable shaft 7, the other end of the transmission rod 8 is provided with a transmission rod plate side movable shaft 9, and the lower part of the transmission rod plate side movable shaft 9 is embedded into a sliding groove 10;
4) the rear part of the side movable shaft 9 of the transmission rod plate is connected with two connecting rods 11, two movable sand pushing plates 12 are fixed at the other ends of the connecting rods 11, and the movable sand pushing plates 12 can be vertical to the device bottom plate 1 or the upper parts of the movable sand pushing plates form slight included angles towards the inner side of a river channel;
5) the sand blocking net 14 is welded on the upper part of the sand blocking plate 15, and the top of the sand blocking net 14 is higher than the maximum water level line of the river.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (5)
1. A sand blocking and hydraulic sand discharging device for a river with high sand content is characterized by comprising a supporting mechanism, a propeller mechanism, a transmission mechanism and a sand pushing and blocking mechanism, wherein,
the support mechanism comprises a bottom plate (1);
the propeller mechanism comprises a rotary propeller protecting plate (4) and propeller blades (5), the propeller blades (5) are fixedly connected to the rotary propeller protecting plate (4), and the rotary propeller protecting plate (4) is pushed to rotate by the rotation of the propeller blades (5);
the transmission mechanism comprises a transmission rod paddle side movable shaft (7), a transmission rod (8), a transmission rod side movable shaft (9), a sliding groove (10) and a connecting rod (11), one end of the transmission rod paddle side movable shaft (7) is fixedly connected to the rotary paddle protecting plate (4), the other end of the transmission rod paddle side movable shaft is connected with the transmission rod (8), one end of the transmission rod side movable shaft (9) is connected with the transmission rod (8), the other end of the transmission rod side movable shaft is connected with the connecting rod (11), the rotary paddle protecting plate (4) rotates to drive the transmission rod (8) to do reciprocating motion and transmit the reciprocating motion to the connecting rod (11), so that the sand pushing and blocking mechanism is driven to work, the lower part of the sliding groove (10) is fixedly connected with the supporting mechanism, the lower part of the transmission rod side movable shaft (9) is embedded into the sliding groove (10), and on one hand, on the other hand, the moving track of the transmission rod (8) is ensured not to deviate from the middle shaft of the river channel;
the sand pushing and blocking mechanism comprises a movable sand pushing plate (12), a landing gentle slope (13) and a sand blocking plate (15), the movable sand pushing plate (12) is connected with the connecting rod (11), the lower part of the landing gentle slope (13) is a river bank slope, one end of the movable sand pushing plate is smoothly and fixedly connected with the bottom plate (1), the other end of the movable sand pushing plate is located on the river bank slope, the movable sand pushing plate (12) slides on the movable sand pushing plate and guides the movable sand pushing plate (12) to push deposited silt to land, and the connecting rod (11) drives the movable sand pushing plate (12) to slide along the sand blocking plate (15) and the landing gentle slope (13);
the number of the connecting rods (11) is two, one end of each connecting rod (11) is connected with the movable shaft (9) on the side of the transmission rod plate, and the other end of each connecting rod is connected with the movable sand pushing plate (12); the movable sand pushing plates (12) are arranged into two blocks, and the movable sand pushing plates (12) are perpendicular to the bottom plate (1) or slightly inclined towards the inside of the river channel from the top end.
2. A sand and hydraulic sand barrier and discharge apparatus according to claim 1, characterised in that the rotating fender (4) is of stainless steel or PVC material and the propeller blades (5) are of PVC material.
3. A sand and hydraulic sand barrier as defined in claim 1, wherein said sand pushing and blocking mechanism further comprises a sand barrier net (14) having a height not lower than the highest water level of the river for blocking particulate matter in the river having a particle size larger than the meshes of said sand barrier net (14).
4. A sand and hydraulic sand barrier as defined in claim 3, wherein said sand deflector (15) is adapted to block silt intercepted by said sand barrier net (14).
5. A sand and hydraulic sand barrier and removal device according to claim 1, further comprising a sand storage tank (16), said sand storage tank (16) being adapted to store silt pushed out of the channel by the movable sand pusher (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811525520.9A CN109750639B (en) | 2018-12-13 | 2018-12-13 | Sand blocking and hydraulic sand discharging device for high-sand-content river |
Applications Claiming Priority (1)
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| CN201811525520.9A CN109750639B (en) | 2018-12-13 | 2018-12-13 | Sand blocking and hydraulic sand discharging device for high-sand-content river |
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| CN109750639B true CN109750639B (en) | 2020-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114541338A (en) * | 2020-11-24 | 2022-05-27 | 贺行龙 | Anti-blocking device for agricultural irrigation diversion canal |
| CN112723571B (en) * | 2020-12-17 | 2024-05-14 | 常德市奕顺建材有限公司 | Flowing river sediment collecting device |
| CN113175020B (en) * | 2021-04-26 | 2024-05-28 | 重庆新鑫佳环保工程有限公司 | River sediment collection device for hydraulic engineering |
| CN114411655B (en) * | 2021-12-29 | 2024-04-12 | 长春工程学院 | Multistage sand blocking device for soil and water conservation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2086275U (en) * | 1991-04-01 | 1991-10-09 | 娄志平 | River hydraulic suspension silt-discharging device |
| CN2108744U (en) * | 1991-09-14 | 1992-07-01 | 陈林峰 | Dredging waterwheel |
| JPH10252042A (en) * | 1997-03-14 | 1998-09-22 | Kurimoto Ltd | Mechanism and method for discharging sand from dam reservoir |
| CN102121449B (en) * | 2010-01-08 | 2017-12-29 | 马瑞志 | A kind of hydrodynamic machine and its application method |
| CN205804273U (en) * | 2016-06-28 | 2016-12-14 | 陈琦 | River drain cleaning system |
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