WO2023103078A1

WO2023103078A1 - Ecological restoration system for coastal river channels

Info

Publication number: WO2023103078A1
Application number: PCT/CN2021/139890
Authority: WO
Inventors: 覃辉煌; 薛忠强; 余奇友; 沈海; 张萍萍
Original assignee: 深圳市东深工程有限公司
Priority date: 2021-12-10
Filing date: 2021-12-21
Publication date: 2023-06-15
Also published as: CN114197385B; CN114197385A

Abstract

An ecological restoration system for coastal river channels, comprising a support (1), a sand stirring device (2), and a collection device (3). Both the sand stirring device (2) and the collection device (3) are located on the support (1). The sand stirring device (2) comprises at least one sand digging member (21) and a driving assembly (22) for driving the sand digging member (21) to rotate. By means of a sand digging rod (212), sand accumulated on a riverbed can be conveniently stirred, so that the sand is raised and flows along with river water, thereby reducing the accumulation of the sand on the riverbed; thus, the influence of the sand on the height of the riverbed is reduced, and the service life of river channels is prolonged; in addition, the damage of sand accumulation to river channel ecology is reduced, and the stability of the river channel ecology is improved.

Description

A coastal river ecological restoration system

technical field

The invention relates to the field of river ecological restoration, in particular to a coastal river ecological restoration system.

Background technique

Rivers are divided into five grades, namely, first-class rivers, second-class rivers, third-class rivers, fourth-class rivers, and fifth-class rivers. The river course grade can be identified in stages and batches, and its grade can also be changed due to changes in the situation, and the change procedure is the same as the identification procedure.

In the related technology, coastal cities are rich in rainwater, and there will be high tides in the coastal areas during rainy seasons. It is necessary to divert seawater higher than normal water levels, and usually need to repair rivers so that seawater higher than normal water levels flows through the rivers.

In view of the related technologies mentioned above, the inventor believes that when seawater enters the river, it will contain sand, and the flow speed of seawater entering the river will slow down, causing sand to accumulate in the river, causing the river bed to rise, affecting the normal use of the river.

Contents of the invention

In order to reduce the accumulation of sand on the riverbed, the invention provides an ecological restoration system for coastal rivers.

A coastal river ecological restoration system provided by the invention adopts the following technical scheme:

An ecological restoration system for coastal rivers, comprising a bracket and a sand stirring device, the sand stirring device includes at least one sand dredging part and a driving assembly for driving the sand dredging part to rotate, the sand dredging part includes a swing rod and a sand dredging rod , one end of the dredging rod is fixedly connected to the swing rod.

By adopting the above technical scheme, when stirring the sand entering the river bed, the driving assembly is adjusted so that the driving assembly drives the swing rod to rotate, and the swing rod drives the sand dredging rod to rotate, so that the sand dredging rod can stir the sand on the river bed; the designed The ecological restoration system of the coastal river can easily stir the sand accumulated on the river bed by digging sand rods, so that the sand can be lifted up and follow the flow of the river, reducing the accumulation of sand on the river bed, thereby reducing the impact of sand on the height of the river bed, and prolonging the use of the river At the same time, it reduces the damage to the river ecology caused by sand accumulation and improves the stability of the river ecology.

Optionally, the drive assembly includes a floating plate and a driving member that drives the floating plate to rotate, the end of the swing rod away from the dredging rod is connected to the floating plate, and the floating plate is rotatably connected to the bracket.

By adopting the above technical scheme, when driving the swing rod to rotate, adjust the driving member, and the drive member drives the floating plate to rotate, so that the floating plate drives the swing rod to rotate; , it is convenient for water to support the floating plate, and reduces the pressure of the floating plate on the bracket, thereby reducing the possibility of the bracket damaging both sides of the river during use.

Optionally, the driving member includes two rotating shafts and at least two driving rods, one end of the rotating shaft is fixedly connected to the floating plate, and the other end is rotatably connected to the bracket, the two driving rods are arranged crosswise, and The intersection of the two driving rods is coaxially connected with the rotating shaft.

By adopting the above technical solution, when the floating plate is driven to rotate, the kinetic energy of the water flow drives the driving rod to rotate, the driving rod drives the rotating shaft to rotate, and the rotating shaft drives the floating plate to rotate; the setting of the rotating shaft facilitates the connection of the floating plate, thereby facilitating the rotation of the floating plate. Reduce the resistance of the floating plate to the river water, and at the same time, reduce the possibility of high water level in a short period of time; the setting of the driving rod facilitates the use of the kinetic energy of the river water to drive the floating plate to rotate, thereby improving energy utilization and reducing resource waste.

Optionally, a collection device is also included, the collection device includes a filter plate, a collection tank and a collection assembly, the filter plate is located on the inflow side of the floating plate water flow, and the filter plate is connected to the bracket, the collection The groove is arranged in communication with the river channel, and the collection assembly is located in the collection groove.

By adopting the above technical scheme, the river water flows away after the water flows through the filter plate, and the garbage floating on the river is blocked by the filter plate, so that the movement path of the garbage changes, and then the garbage enters the collection tank, and then the garbage is collected by the collection component. Collecting; the setting of the filter plate is convenient for preliminary separation of garbage and river water, thereby changing the movement path of garbage, facilitating the collection of garbage floating on the river by the collection tank, and reducing the pollution of garbage to the downstream of the river.

Optionally, the collection assembly includes a filter box, the filter box is located on the collection tank, and the filter box overlaps with the collection tank.

By adopting the above technical scheme, the garbage flowing into the filter box is filtered through the filter box to realize solid-liquid separation, so that the solid garbage stays in the filter box, and the liquid gathers in the collection tank through the filter box; The outflowing garbage is separated from solid and liquid, so that the solid garbage remains in the filter box, and the liquid is collected in the collection tank through the filter box, which facilitates the separate treatment of solid garbage and reduces the corrosion of solid garbage by river water.

Optionally, the collection assembly further includes a return pipe, one end of the return pipe communicates with the collection tank, and the other end communicates with the river channel, and the return pipe is connected from one end close to the collection tank to one end close to the river channel. High to low tilt settings.

By adopting the above technical scheme, the river water in the collection tank enters the river channel through the return pipe to realize the recovery of the river water; the setting of the return pipe facilitates the river water in the collection tank to flow into the river channel through the return pipe, realizing the recovery of the river water and reducing the impact of the river water on the collection tank. The erosion of the inner wall, thereby ensuring the strength of the river bank.

Optionally, the bracket includes two connecting rods, two fixing seats, and two sets of adjustment pieces that drive the connecting rods to move, the fixing seats are fixed on the river bank, and the connecting rods are slidably connected to the fixing seats, so that The end of the connecting rod away from the fixed seat is rotatably connected with the rotating shaft.

By adopting the above-mentioned technical scheme, when the water level in the river changes, the adjustment part is activated, and the adjustment part drives the connecting rod to slide, so that the connecting rod slides to the required height; the setting of the connecting rod is convenient for the connection of the rotating shaft, thereby facilitating the adjustment height, adapt to different water levels, improve practicality.

Optionally, the adjustment member includes a screw and a slider, the slider is slidably connected to the fixed seat, the connecting rod is fixedly connected to the slider, the screw is rotatably connected to the fixed seat, and the screw is threaded with the slider. connect.

By adopting the above technical scheme, when the connecting rod is driven up and down, the screw is rotated, the screw drives the slider to move, and the slider drives the connecting rod to move, so as to realize the adjustment of the height of the connecting rod; the setting of the screw is convenient to drive the slider to move, thereby making the slider Drive the connecting rod up and down to meet the fluctuations of the riverbed in different seasons.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. The designed ecological restoration system of the coastal river can easily stir the sand accumulated on the river bed by digging sand rods, so that the sand can be lifted up and flow with the river water, reducing the accumulation of sand on the river bed, thereby reducing the impact of sand on the height of the river bed. Extend the service life of the river, and at the same time, reduce the damage to the river ecology caused by sand accumulation, and improve the stability of the river ecology;

2. The setting of the rotating shaft is convenient for the connection of the floating plate, which in turn facilitates the rotation of the floating plate, reduces the resistance of the floating plate to the river water, and at the same time reduces the possibility of the water level rising in a short period of time; the setting of the driving rod facilitates the use of the kinetic energy of the river water Drive the floating plate to rotate, thereby improving the utilization rate of energy and reducing the waste of resources;

3. The garbage floating on the river is blocked by the filter plate, which changes the movement path of the garbage, and then makes the garbage enter the collection tank, and collects the garbage through the collection component to reduce the pollution of the garbage to the downstream of the river.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

Fig. 2 is a schematic view from another perspective of the overall structure of the embodiment of the present invention.

Explanation of reference numerals: 1, bracket; 11, connecting rod; 12, fixed seat; 121, chute; 13, adjustment piece; 131, screw rod; 132, slider; 133, handle; 2, sand stirring device; 21, Sand dredging part; 211, swing rod; 212, sand dredging rod; 2121, connection section; 2122, sand dredging section; 22, driving assembly; 221, floating plate; 222, driving member; 2221, rotating shaft; 2222, driving rod; 3. Collection device; 31. Filter plate; 32. Collection tank; 33. Collection assembly; 331. Filter box; 332. Return pipe.

Detailed ways

The present invention will be described in further detail below in conjunction with accompanying drawings 1-2.

The embodiment of the invention discloses a coastal river ecological restoration system. Referring to Fig. 1, the coastal river ecological restoration system includes a support 1, a sand mixing device 2 and a collection device 3, the sand mixing device 2 and the collection device 3 are all located on the support 1, and the sand mixing device 2 is arranged to facilitate the sand removal in the river channel. treatment to reduce the accumulation of sand on the riverbed, thereby prolonging the service life of the river; the setting of the collection device 3 facilitates the collection of garbage in the river and reduces the impact of garbage on the river ecology.

Referring to Fig. 1, the sand stirring device 2 includes at least one sand dredging part 21 and a driving assembly 22 that drives the sand dredging part 21 to rotate. Evenly distributed in the width direction, the setting of the sand dredging part 21 reduces the accumulation of sand, thereby reducing the damage to the river ecology caused by the accumulation of sand, and maintaining the stability of the original ecology; the sand dredging part 21 includes a swing rod 211 and a sand dredging rod 212. One end of the rod 212 is welded with the swing rod 211, and the sand digging rod 212 includes a connecting section 2121 and a sand digging section 2122. One end of the connecting section 2121 is welded with the swinging rod 211, and the other end is welded with the sand digging section 2122, and the connecting section 2121 is formed by being close to the swing rod. One end of 211 to one end close to the sand dredging section 2122 is set inclined from high to low, one end of the sand dredging section 2122 is set inclined from the end close to the connecting section 2121 to the end far away from the connecting section 2121, and the connection between the sand dredging section 2122 and the inclined section is chamfered. Increase the contact area between the sand dredging rod 212 and the sand, improve the sand dredging efficiency, reduce the sand accumulation speed, and then slow down the riverbed increase speed.

Referring to Fig. 1 , the drive assembly 22 includes a floating plate 221 and a driving member 222 that drives the floating plate 221 to rotate. The end of the swing rod 211 away from the sand dredging rod 212 is welded to the floating plate 221, and the floating plate 221 is rotationally connected with the support 1. The floating plate 221 It is convenient to use the kinetic energy of water to push the floating plate 221 to rotate, so as to avoid the situation that the water level rises in a short period of time, so as to facilitate the smooth flow of rainwater in the rainy season; the driving member 222 includes two rotating shafts 2221 and at least two driving rods 2222, two Three rotating shafts 2221 are coaxially arranged. In this embodiment, three driving rods 2222 are arranged on each rotating shaft 2221, and the three driving rods 2222 are evenly distributed along the circumference of the rotating shaft 2221. The three driving rods 2222 are arranged crosswise, and the three driving rods 2222 The intersection of the rods 2222 is set coaxially with the rotating shaft 2221, and the three driving rods 2222 are all set through the rotating shaft 2221, and each driving rod 2222 is welded to the rotating shaft 2221, and one end of the rotating shaft 2221 is welded to the floating plate 221, and the other end is rotationally connected to the support 1 , the setting of the driving rod 2222 facilitates the use of the kinetic energy of the river water to push the driving rod 2222 to rotate, and then drives the rotating shaft 2221 to rotate, so as to realize the utilization of energy and achieve the purpose of saving resources.

With reference to Fig. 1, collection device 3 comprises filter plate 31, collection tank 32 and collection assembly 33, and filter plate 31 is positioned at the inflow side of floating plate 221 water flow, and filter plate 31 is connected with support 1 in rotation, is convenient to the rubbish floating on the river. Blocking, reducing the possibility of garbage entering the downstream, reducing environmental pollution, and at the same time, reducing the resistance of the filter plate 31 to the water flow, reducing the possibility of water level overflow in a short time, improving the safety of the river, the collection tank 32 is connected with the river It is arranged to facilitate the inflow of garbage, and further facilitate the collection of garbage. The collection assembly 33 is located in the collection tank 32 .

Referring to Fig. 1, the collection assembly 33 includes a filter box 331 and a return pipe 332, the filter box 331 is located in the collection tank 32, and the filter box 331 and the collection tank 32 are clamped to facilitate the disassembly of the filter box 331, thereby facilitating the cleaning of the filter box 331 , to realize the reuse of the filter box 331; one end of the return pipe 332 communicates with the collection tank 32, and the other end communicates with the river, and the height of the side where the return pipe 332 communicates with the collection tank 32 is lower than the height of the bottom wall of the filter box 331, which is convenient for Recycling the separated river water reduces the waste of water sources on the one hand, and on the other hand, reduces the erosion of the river water on the side wall of the collection tank 32, prolongs the service life of the collection tank 32, and the return pipe 332 is from the end near the collection tank 32 to the river channel. One end is set from high to low to accelerate the efficiency of river water flowing into the river channel and reduce the time for river water to accumulate in the collection tank 32 .

1 and 2, the bracket 1 includes two connecting rods 11, two fixing seats 12 and two sets of adjustment members 13 that drive the movement of the connecting rods 11. The fixed seat 12 is fixed on the river bank, and the fixed seat 12 is buried on the river bank near the side of the river bank to increase the stability of the connection between the fixed seat 12 and the river bank and reduce the damage to the fixed seat 12 by external factors. The connecting rod 11 and the fixed seat 12 are slidingly connected One end of the connecting rod 11 away from the fixed seat 12 is rotationally connected with the rotating shaft 2221, so that the connecting rod 11 can drive the rotating shaft 2221 to move, thereby facilitating adjustment of the height of the rotating shaft 2221, facilitating adaptation to different water levels, and improving practicability.

1 and 2, the adjustment member 13 includes a screw 131 and a slider 132, the slider 132 is slidably connected with the fixed seat 12, and the fixed seat 12 is provided with a slide groove 121 for the slider 132 to slide axially along the screw 131, and the sliding The length direction of the groove 121 is set along the axial direction of the screw rod 131, the end of the connecting rod 11 away from the rotating shaft 2221 is welded with the slider 132, the screw rod 131 is connected with the fixed seat 12 in rotation, the screw rod 131 is threadedly connected with the slider 132, and the screw rod 131 extends out of the fixed seat One end of 12 is welded with a handle 133, which increases the contact area with the screw rod 131, facilitates the rotation of the screw rod 131, and facilitates the lifting of the slider 132.

The implementation principle of a coastal river ecological restoration system in the embodiment of the present invention is as follows: firstly, the handle 133 is turned, the handle 133 drives the screw 131 to rotate, the screw 131 drives the slider 132 to move, the slider 132 drives the connecting rod 11 to move, and the connecting rod 11 drives the rotating shaft 2221 moves, and the rotating shaft 2221 drives the driving rod 2222 to move, so that half of each driving rod 2222 is located below the water surface, and the other half is located above the water surface. Drive the floating plate 221 to rotate, the floating plate 221 drives the swing bar 211 to rotate, and the swing bar 211 drives the sand dredging bar 212 to rotate, so that the sand dredging bar 212 passes through the riverbed to raise the sand, so that the sand is washed away along the river, reducing the accumulation of sand; Before the water flow pushes the driving rod 2222, it first passes through the filter plate 31, so that the river water passes through the filter plate 31, and the floating objects and garbage carried by the river water are blocked by the filter plate 31, and the path of the garbage changes, so that the garbage flows into the filter box 331 After being filtered by the filter box 331, the river water is collected in the collection tank 32, and then enters the river channel through the return pipe 332, so as to reduce the waste of resources.

The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the present invention should be covered by the protection scope of the present invention Inside.

Claims

A coastal river ecological restoration system is characterized in that it includes a support (1) and a sand stirring device (2), and the sand stirring device (2) includes at least one sand dredging part (21) and drives the sand dredging part ( 21) Rotating driving assembly (22), the sand dredging part (21) includes a swing lever (211) and a dredge lever (212), and one end of the dredge lever (212) is fixed to the swing lever (211) catch.
The coastal river ecological restoration system according to claim 1, characterized in that: the driving assembly (22) includes a floating plate (221) and a driving member (222) that drives the floating plate (221) to rotate, and the swinging The end of the rod (211) away from the dredging rod (212) is connected to the floating plate (221), and the floating plate (221) is rotatably connected to the bracket (1).
The coastal river ecological restoration system according to claim 2, characterized in that: the driving member (222) includes two rotating shafts (2221) and at least two driving rods (2222), and one end of the rotating shaft (2221) It is fixedly connected with the floating plate (221), and the other end is rotatably connected with the support (1). The rotating shaft (2221) is coaxially connected.
A kind of coastal river ecological restoration system according to claim 3, it is characterized in that: also comprise collection device (3), described collection device (3) comprises filter plate (31), collection tank (32) and collection assembly ( 33), the filter plate (31) is located on the inflow side of the floating plate (221), and the filter plate (31) is connected to the bracket (1), and the collection tank (32) is connected to the river channel , the collection component (33) is located in the collection tank (32).
A coastal river ecological restoration system according to claim 4, characterized in that: the collection assembly (33) includes a filter box (331), and the filter box (331) is located on the collection tank (32), And the filter box (331) is overlapped with the collection tank (32).
The coastal river ecological restoration system according to claim 5, characterized in that: the collection assembly (33) also includes a return pipe (332), and one end of the return pipe (332) is connected to the collection tank (32) The other end communicates with the river channel, and the return pipe (332) is arranged from one end close to the collection tank (32) to one end close to the collection tank (32) from high to low.
A coastal river ecological restoration system according to any one of claims 3-6, characterized in that: the support (1) includes two connecting rods (11), two fixing seats (12) and drives each Two groups of adjustment parts (13) for the movement of the connecting rod (11), the fixed seat (12) is fixed on the river bank, the connecting rod (11) is slidingly connected with the fixed seat (12), and the connecting rod (11 ) is rotationally connected to the rotating shaft (2221) at one end away from the fixed seat (12).
A coastal river ecological restoration system according to claim 7, characterized in that: the adjustment member (13) includes a screw (131) and a slider (132), and the slider (132) and the fixed seat (12 ) sliding connection, the connecting rod (11) is affixed to the slider (132), the screw (131) is rotationally connected to the holder (12), and the screw (131) is threaded to the slider (132).