CN212200241U - A water diversion structure for water conservancy engineering - Google Patents

Abstract

The utility model relates to a water diversion structure for a water conservancy project, which comprises a reservoir dam body, a slag removing device is arranged upstream of the dam body, the slag removing device comprises a filter plate, a slag collecting hopper and a sedimentation tank, and the filter plate is vertically fixed on the dam body In front of the upstream, the upstream side of the filter plate is vertically slidable with an installation frame. The filter plate is provided with a lifting mechanism for driving the installation frame to rise and fall. The slag collecting hopper is rotated and arranged on the installation frame. In the overturned rotating mechanism, the dam body is provided with a collection tank, the upstream bottom of the dam body is provided with a sedimentation tank, and the dam body is provided with a sand pumping device. The sediment transported in the water settles to the bottom in the sedimentation tank in front of the dam body, and is pumped out by the sand pumping device. The garbage on the water surface is intercepted by the filter plate. In the slag hopper, the slag collecting hopper is turned over again, and the garbage is dumped into the collecting tank. The utility model has the advantages of keeping the water body clean and improving the filtering effect.

Description

A water diversion structure for water conservancy engineering

technical field

The utility model relates to the technical field of water diversion structures, in particular to a water diversion structure for water conservancy projects.

Background technique

The water diversion structure can be divided into two types: no dam diversion and dam diversion according to the different river water volume, water level and elevation of the irrigation area. The planning and layout of the water diversion hub meets the following requirements: adapting to the fluctuation of the river water level, meeting the requirements of irrigation water consumption, and the water diversion structure Technology is also developing in the direction of safety, efficiency and environmental protection.

The Chinese patent with the authorization announcement number CN206206294U discloses a siphon water suction device, which includes a siphon pipe and a water storage tank. The reservoir is connected, and the water inlet of the siphon pipe extends into the water body on the upstream side of the dam body. The highest point of the siphon pipe is set at the top of the dam body, and the highest point of the siphon pipe is connected with a water filling pipe and a communication pipe with a diameter smaller than that of the siphon pipe. The air pipe; the water filling pipe is provided with a water filling port water stop valve; the ventilation pipe is provided with a ventilation port water stop valve; the drain port of the siphon pipe is provided with a drain port water stop valve;

The above-mentioned prior art scheme has the following defects: when using the water diversion structure to divert water, various large floating objects on the water surface will be introduced, large particles in the water flow will also be introduced, and finally the sediment dissolved in the water flow will be introduced, When the water diversion structure is used for a long time, it will cause blockage, and it will bring a certain impact in the process of use.

Utility model content

Aiming at the deficiencies of the prior art, one of the purposes of the present invention is to provide a water diversion structure for water conservancy projects, which can filter and collect floating garbage upstream of the dam body and sediment sediment at the bottom.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A water diversion structure for a water conservancy project includes a reservoir dam body, a slag removal device is arranged upstream of the dam body, the slag removal device includes a filter plate, a slag collecting hopper and a sedimentation tank, the filter plate is vertically fixed on the dam In front of the upstream of the filter plate, a mounting frame is vertically slid on the upstream side of the filter plate, the filter plate is provided with a lifting mechanism for driving the mounting frame to rise and fall, and the slag collecting hopper is rotatably arranged on the The frame is provided with a rotating mechanism for driving the slag collecting hopper to turn over. The lower part of the slag collecting hopper is in the shape of a triangle. The side of the slag collecting hopper close to the filter plate can be parallel to the filter plate. A collection tank for collecting garbage is arranged on the side, a sedimentation tank is arranged at the upstream bottom of the dam body, and a sand extraction device is arranged on the dam body.

By adopting the above technical solution, the water upstream of the dam body passes through the filter plate before it flows close to the drainage device on the dam body, the floating garbage on the water surface is intercepted by the filter plate, and the sediment transported in the water is settled in the sedimentation tank in front of the dam body. Set it to the bottom, the operator can pump out the sediment in the water by starting the sand pumping device, thereby reducing the pressure on the lower part of the dam body, and by starting the lifting mechanism, the operator first sags the installation frame and the installation frame against the filter plate. The slag collecting hopper is lowered together, so that the lower part of the slag collecting hopper pushes away the floating objects intercepted on the filter plate. When the slag hopper is raised, the floating garbage on the water surface can be salvaged into the slag collecting hopper, and then the rotating mechanism is started to drive the slag collecting hopper to turn over, and the garbage in the slag collecting hopper can be dumped into the collection tank on the dam body, and the water surface is completed. Garbage cleaning, effectively intercepting and cleaning up the sediment in the water and the garbage on the water surface to keep the water body clean.

In a preferred example of the present invention, it can be further configured as follows: the lifting mechanism includes a motor, a sprocket, a chain and a counterweight, the sprocket is rotatably mounted on the top of the filter plate, and the axis of the sprocket is parallel to the The rotation axis of the slag collecting bucket, the chain is wound around the chain, one end of the chain is fixedly connected with the mounting frame, and the other end is fixedly connected with the counterweight block, which is slidably arranged on the filter plate along the vertical direction On the downstream side, the electric motor is fixed on the dam body, and the output shaft of the electric motor is coaxially and fixedly connected with the sprocket.

By adopting the above technical solution, when the slag collecting hopper needs to be lifted and lowered, the staff starts the motor to drive the sprocket to rotate, and the sprocket cooperates with the chain to pull the slag collecting hopper to move up and down, which is convenient and quick to operate.

In a preferred example of the present invention, it can be further configured as follows: the rotating mechanism is a cylinder, the end of the cylinder that rotates away from its own piston rod is rotatably connected to the mounting frame, and the piston rod of the cylinder is rotatably connected to the slag collecting hopper, The rotation axes of both ends of the cylinder are parallel to the rotation axes of the slag collecting hopper.

By adopting the above technical solution, when the staff needs to turn the slag collecting hopper over, they only need to activate the cylinder to extend the piston rod of the cylinder, and then the bottom end of the slag collecting hopper can be pushed upwards. The garbage is dumped, and at the same time, after the slag collecting hopper is turned over by the cylinder, it has a good pressure maintaining function, so that the slag collecting hopper can be turned over for a long time, and the operation is convenient and fast.

In a preferred example of the present invention, the slag collecting hopper can be further configured as follows: the side of the slag collecting hopper close to the filter plate is set as a strip-shaped mesh plate, and the length direction of the strip-shaped holes of the strip-shaped mesh plate is related to the rotation axis of the slag collecting hopper. vertical.

By adopting the above technical solution, the side of the slag collecting hopper close to the filter plate is designed as a strip-shaped screen plate, so that after the slag collecting hopper is raised, the water in the slag collecting hopper flows out from the strip-shaped screen plate, and the After being turned over, the garbage slides to the collection tank along the strip holes on the strip screen plate to improve the efficiency of garbage dumping.

In a preferred example of the present invention, the filter plate can be further configured as follows: the filter plate is a strip-shaped sieve plate, the longitudinal direction of the strip-shaped holes of the filter plate is vertical, and the bottom of the slag collecting hopper is provided with combing teeth, The combing teeth are arranged corresponding to the strip-shaped holes on the filter plate, and the combing teeth can be inserted into the strip-shaped holes on the filter plate.

By adopting the above technical solution, combing teeth are added at the bottom of the slag collecting hopper. When the slag collecting hopper is turned over and attached to the filter plate, the combing teeth will be inserted into the pores of the filter plate. The teeth clean up the garbage between the gaps on the filter plate, and then listen to the filter plate to improve the cleaning effect of the water surface garbage.

In a preferred example of the present invention, the sand pumping device can be further configured as a screw conveyor, the inlet end of the screw conveyor is arranged at the bottom of the sedimentation tank, and the outlet end of the screw conveyor faces the ground.

By adopting the above technical solution, the staff can pump out the sediment and garbage in the sedimentation tank to the ground by regularly turning on the screw conveyor, which can effectively avoid the accumulation of sediment deposition, improve the cleanliness of the water body, and effectively reduce the pressure on the dam body. Improve the safety of the dam body.

In a preferred example of the present invention, the bottom wall of the sedimentation tank can be further configured as follows: the bottom wall of the sedimentation tank is inclined, the inlet end of the screw conveyor is located at one end of the bottom wall of the sedimentation tank, and the bottom wall of the sedimentation tank is provided with a screw conveyor. One end of the inlet end of the machine is the lower end.

By adopting the above technical scheme, the sediment in the sedimentation tank slides to the inlet end of the screw conveyor under the action of gravity, thereby improving the sediment treatment effect.

In a preferred example of the present invention, it can be further configured that: the bottom wall of the sedimentation tank is provided with a sliding layer.

By adopting the above technical solution, teflon plate is arranged on the bottom wall of the sedimentation tank as a sliding layer, which can effectively prevent the sediment and sedimentation garbage from adhering to the inner wall of the sedimentation tank, and effectively keep the sedimentation tank clean after the sedimentation tank is pumped out. , to improve the sand cleaning effect.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. The sediment transported in the water settles to the bottom in the sedimentation tank in front of the dam body, and is pumped out by the sand pumping device, thereby reducing the pressure on the lower part of the dam body. Raise it again, collect the garbage into the slag collecting hopper, turn the slag collecting hopper over, and dump the garbage into the collection tank to complete the cleaning of the water surface garbage, keep the water body clean, and have a better filtering effect;

2. The side of the slag collecting hopper close to the filter plate is designed as a strip-shaped mesh plate, so that after the slag collecting hopper is raised, the water in the slag collecting hopper flows out from the strip-shaped mesh plate, and after the slag collecting hopper is turned over, the waste The strip holes on the strip screen slide to the collection tank to improve the efficiency of garbage dumping;

3. Add combing teeth at the bottom of the slag collecting hopper. When the slag collecting hopper is turned over and attached to the filter plate, the combing teeth will be inserted into the pores of the filter plate. The garbage between the upper gaps is cleaned, and then the filter plate is heard to improve the effect of garbage cleaning on the water surface.

Description of drawings

FIG. 1 is a schematic view of the plane structure of the present invention.

2 is a schematic structural diagram of the slag collecting hopper of the present invention in a state of sinking and taking out slag.

FIG. 3 is a partial enlarged schematic view of part A in FIG. 2 .

FIG. 4 is a schematic structural diagram of the slag collecting hopper of the present invention in an overturned state.

FIG. 5 is a partial enlarged schematic view of part B in FIG. 4 .

In the figure, 1, dam body; 11, slag removal device; 111, filter plate; 112, slag collecting bucket; 113, sedimentation tank; 12, mounting frame; 13, collecting tank; 2, lifting mechanism; 21, electric motor; 22 , sprocket; 23, chain; 24, counterweight; 3, cylinder; 4, sliding layer; 5, screw conveyor; 6, strip screen; 7, carding teeth.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

Referring to Figures 1 and 2, it is a water diversion structure for a water conservancy project disclosed by the utility model, including a reservoir dam body 1 . A slag removal device 11 is provided on the upstream side of the reservoir dam body 1 , and the slag removal device 11 includes a filter plate 111 , a slag collecting bucket 112 and a sedimentation tank 113 . The sedimentation tank 113 is located at the foot of the leading slope upstream of the dam body 1 , and the bottom wall of the sedimentation tank 113 is inclined from one side to the other along the width direction of the channel. The bottom wall and both side walls of the sedimentation tank 113 are provided with a sliding layer 4. In this embodiment, the sliding layer 4 is a polytetrafluoroethylene plate, which has excellent characteristics such as high moisturizing, non-adhering, and non-toxic, which can effectively Reduce the friction between the sediment in the sedimentation tank 113 and improve the fluidity of the sediment. The dam body 1 is provided with a sand pumping device. In this embodiment, the sand pumping device uses a screw conveyor 5, which has the advantages of reliable operation and convenient maintenance and management. The feeding port of the bolt conveyor is arranged on the bottom wall of the sedimentation tank 113, and is close to the lower end of the bottom wall of the sedimentation tank 113 with a lower horizontal height. The outlet of the bolt conveyor is located on the bank and faces the ground.

Referring to FIGS. 2 and 3 , the filter plate 111 is located between the top of the dam body 1 and the sedimentation tank 113 , in a vertical state, and the bottom is fixedly embedded in the leading slope upstream of the dam body 1 . The filter plate 111 is a strip-shaped sieve plate, and the mesh holes on the filter plate 111 are strip-shaped holes opened vertically side by side. The upstream side of the filter plate 111 is located on the vertical side walls of the embankments on both sides of the dam body 1, and a chute is opened along the vertical direction, and the mounting bracket 12 is slidably installed in the chute. A slag collecting hopper 112 is rotatably installed on the mounting frame 12, and its rotating shaft is close to the upper part of the mounting frame 12, and the axis of the rotating shaft is parallel to the width direction of the river. The lower part of the slag collecting hopper 112 is triangular and close to the side wall of the filter plate 111 . The holes on the strip screen plate 6 are a plurality of strip holes arranged in parallel, and the length direction of the strip holes is perpendicular to the rotation axis of the slag collecting hopper 112 .

4 and 5, the side wall of the slag collecting hopper 112 away from the filter plate 111 is a solid plate, the bottom tip of the slag collecting hopper 112 is provided with combing teeth 7, the combing teeth 7 are coplanar with the solid plate, and the combing teeth 7 are arranged one by one. Corresponding to each strip hole on the filter plate 111 . When the slag collecting hopper 112 is attached to the filter plate 111, the combing teeth 7 are inserted into the strip-shaped holes one by one, and then the slag collecting hopper 112 is lowered, that is, the strip-shaped holes on the filter plate 111 are cleaned, and the water surface is cleaned at the same time. The floating garbage is pushed away from the filter plate 111 .

2 and 3 , the filter plate 111 is provided with a lifting mechanism 2 for driving the mounting frame 12 to rise and fall. In this embodiment, the lifting mechanism 2 includes a motor 21 , a sprocket 22 , a chain 23 and a counterweight 24 . The top of the filter plate 111 is fixed with a support frame, the top of the support frame is higher than the dam, the motor 21 is bolted and installed on the top of the support frame, its axis is parallel to the width direction of the river, and the motor 21 is a servo motor. The sprocket 22 is coaxially fixed and keyed with the output shaft of the motor 21 , and the chain 23 is wound around the sprocket 22 . The counterweight 24 is located on the downstream side of the filter plate 111 .

4 and 5, the mounting frame 12 is provided with a rotating mechanism for driving the slag collecting hopper 112 to turn over. In this embodiment, the rotating mechanism is the cylinder 3, which has the advantages of stable operation and controllable telescopic length. The cylinder 3 is rotatably mounted on the mounting frame 12 , and its piston rod is rotatably connected to the side wall of the slag collecting hopper 112 . The top of the dam body 1, located on the downstream side of the filter plate 111, is integrally formed with a passing platform, and a collection tank 13 for collecting garbage is opened on the passing platform. After the slag collecting hopper 112 rises above the water surface, start the air cylinder 3 to drive the slag collecting hopper 112 to turn over not less than 90°, so that the top of the strip screen plate 6 on the slag collecting hopper 112 is turned over to the top of the collecting tank 13, and the garbage can be dumped.

The implementation principle of this embodiment is as follows: the water upstream of the dam body 1 passes through the filter plate 111 before it flows close to the drainage device on the dam body 1, the floating garbage on the water surface is intercepted by the filter plate 111, and the sediment transported in the water is in the dam body. 1. The sedimentation tank 113 in front of 1 is left to settle to the bottom. By starting the screw conveyor 5 , the operator can pump the sediment in the water to the embankment, thereby reducing the pressure on the lower part of the dam body 1 . The operator starts the motor 21, drives the chain 23 through the sprocket 22, and lowers the mounting frame 12 and the slag collecting hopper 112 on the mounting frame 12 in a state of sagging and close to the filter plate 111 together. During the sinking process of the slag collecting hopper 112, the floating objects intercepted on the filter plate 111 are pushed away by the tip of the lower part of the slag collecting hopper 112. After the slag collecting hopper 112 sinks below the water surface, the floating objects automatically enter the upper opening of the slag collecting hopper 112 downstream. within the range. At this time, start the motor 21 again, drive the sprocket 22 to reverse, lift the slag collecting hopper 112, and then salvage the garbage floating on the water surface into the slag collecting hopper 112. Finally, start the cylinder 3 again, extend the piston rod of the cylinder 3, push the slag collecting hopper 112 to turn over not less than 90°, and then the garbage in the slag collecting hopper 112 can be dumped into the collecting tank 13 on the dam body 1, and the water surface garbage cleaning can be completed. . So as to effectively intercept and clean up the sediment in the water and the garbage on the water surface, and keep the water body clean.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a water diversion structure for hydraulic engineering, includes reservoir dam (1), its characterized in that: the utility model discloses a dam, including dam body (1) upper reaches, dross removal mechanism (11) include filter plate (111), collection sediment fill (112) and sedimentation tank (113), filter plate (111) are vertical to be set firmly in dam body (1) upper reaches the place ahead, the vertical slip in filter plate (111) upper reaches one side is provided with mounting bracket (12), be provided with elevating system (2) that are used for ordering about mounting bracket (12) lift on filter plate (111), collection sediment fill (112) rotate to set up on mounting bracket (12), be provided with the slewing mechanism who is used for ordering about collection sediment fill (112) upset on mounting bracket (12), the lower part of collection sediment fill (112) is triangle-shaped, collection sediment fill (112) are close to filter plate (111) one side and can be parallel with filter plate (111), it is provided with collecting vat (13) that are used for collecting rubbish to lie in filter plate (111) low reaches one side on dam body (1), a sedimentation tank (113) is arranged at the bottom of the upstream of the dam body (1), and a sand pumping device is arranged on the dam body (1).

2. The diversion structure for hydraulic engineering according to claim 1, characterized in that: elevating system (2) include motor (21), sprocket (22), chain (23) and balancing weight (24), sprocket (22) rotate and install the top at filter plate (111), the axis of sprocket (22) is on a parallel with the rotation axis of collection sediment fill (112), chain (23) are around establishing on chain (23), the one end and mounting bracket (12) fixed connection, the other end and balancing weight (24) fixed connection of chain (23), balancing weight (24) slide along vertical direction and set up in filter plate (111) low reaches one side, motor (21) set firmly on dam body (1), the output shaft and the sprocket (22) coaxial fixed connection of motor (21).

3. The diversion structure for hydraulic engineering according to claim 1, characterized in that: the rotating mechanism is a cylinder (3), one end of the cylinder (3) which is far away from a piston rod of the cylinder is rotatably connected with the mounting frame (12), the piston rod of the cylinder (3) is rotatably connected with the slag collecting hopper (112), and the rotating axes of the two ends of the cylinder (3) are parallel to the rotating axis of the slag collecting hopper (112).

4. The diversion structure for hydraulic engineering according to claim 1, characterized in that: the slag collecting hopper (112) is close to one side of the filter plate (111) and is provided with a strip-shaped screen plate (6), and the length direction of a strip-shaped hole of the strip-shaped screen plate (6) is vertical to the rotation axis of the slag collecting hopper (112).

5. The diversion structure for hydraulic engineering according to claim 4, characterized in that: the filter plate (111) is the bar sieve, the bar hole length direction of filter plate (111) is vertical, the bottom of collection sediment fill (112) is provided with combs tooth (7), comb tooth (7) and the bar hole on filter plate (111) and correspond the setting, it is downthehole that comb tooth (7) can insert the bar on filter plate (111).

6. The diversion structure for hydraulic engineering according to claim 1, characterized in that: the sand pumping device is a spiral conveyor (5), the inlet end of the spiral conveyor (5) is arranged at the bottom of the sedimentation tank (113), and the outlet end of the spiral conveyor (5) faces the ground.

7. The diversion structure for hydraulic engineering according to claim 6, characterized in that: the bottom wall of sedimentation tank (113) slope sets up, the entry end of screw conveyer (5) is located the one end of sedimentation tank (113) bottom wall, sedimentation tank (113) bottom wall has the one end of the entry end of screw conveyer (5) and is the lower extreme.

8. The diversion structure for hydraulic engineering according to claim 7, characterized in that: the bottom wall of the sedimentation tank (113) is provided with a sliding layer (4).

Images