Bottom shaft flap gate and gate structure of river channel

Abstract

The utility model relates to a bottom shaft flap gate and a gate structure of a riverway, and the bottom shaft flap gate is provided with a gate body which is rotatably arranged on the ground through a bottom shaft at the bottom; the driving mechanism is arranged in a cavity in the ground below the gate body, a rotating shaft is installed at the end of the driving mechanism, the rotating shaft is installed on a wall of the cavity, and the end of the rotating shaft extends out of the cavity; and the transmission mechanism is connected between the end part of the rotating shaft outside the cavity and the gate body and is used for driving the gate body to rotate around the bottom shaft when the rotating shaft rotates. Thus, the driving mechanism is arranged in the cavity in the ground, contact with water flow in the river channel is avoided, corrosion of the water flow in the river channel to the driving mechanism can be avoided, meanwhile, the situation that sludge in the river channel precipitates at the driving mechanism and influences operation of the driving mechanism can be avoided, and the service life of the driving mechanism is greatly prolonged. The driving mechanism drives the rotating shaft to rotate and drives the gate body to rotate around the bottom shaft under the action of the transmission mechanism, and opening and closing of the gate body are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bottom shaft flap gate and gate structure of river course. BACKGROUND

[0002] At present, in the water conservancy project in the river course and the estuary, it is often needed to arrange the gate in the river course. The bottom shaft flap gate is the form of the gate arranged in the river course, and the bottom shaft flap gate adopts the hydraulic drive system, can realize the quick opening and closing of the gate, and has better defense capability. However, the conventional bottom shaft flap gate is connected between the hydraulic drive systems on the gate body, so the hydraulic drive system needs to be arranged in the river course. When there is water flow in the river course, the water flow will scour the hydraulic drive system, which makes the hydraulic drive system have higher structural strength advantage. At the same time, there is more silt in the river flow, and the silt is easy to deposit at the hydraulic drive system and affect the operation of the hydraulic drive system. SUMMARY

[0003] The technical problem to be solved by the utility model is: in order to solve the above technical problem, the utility model provides a bottom shaft flap gate and gate structure of river course.

[0004] The technical scheme adopted by the utility model is: a bottom shaft flap gate, characterized by comprising:

[0005] The gate body is rotatably installed on the ground through the bottom shaft at the bottom;

[0006] The drive mechanism is arranged in the cavity in the ground below the gate body, the end of the drive mechanism is provided with a rotating shaft, the rotating shaft is installed on the wall of the cavity, and the end of the rotating shaft extends out of the cavity;

[0007] The transmission mechanism is connected between the end of the rotating shaft outside the cavity and the gate body, and is used for driving the gate body to rotate around the bottom shaft when the rotating shaft rotates. In this way, the drive mechanism is arranged in the cavity in the ground, avoids the contact with the water flow in the river course, can avoid the corrosion of the water flow in the river course to the drive mechanism, and can also avoid the silt in the river course from depositing at the drive mechanism to affect the operation of the drive mechanism, thereby greatly increasing the service life of the drive mechanism. The drive mechanism drives the rotating shaft to rotate, and drives the gate body to rotate around the bottom shaft under the action of the transmission mechanism, thereby realizing the opening and closing of the gate body.

[0008] The drive mechanism has a hydraulic hoist installed in the cavity, the end of the hydraulic hoist is connected with a handle through a hinge, and the handle is installed on the rotating shaft along the radial direction of the rotating shaft. In this way, the hydraulic hoist has an adjusting support, the hydraulic hoist is rotatably installed in the cavity through the adjusting support, the hydraulic hoist and the handle form a crank and rocker mechanism, and the hydraulic hoist can drive the handle to rotate around the rotating shaft and drive the rotating shaft to rotate when the hydraulic hoist operates.

[0009] The transmission mechanism has a first connecting rod and a second connecting rod, the first end of the first connecting rod is connected to the gate body through a hinge, the first end of the second connecting rod is connected to the second end of the first connecting rod through a hinge, and the second end of the second connecting rod is installed on the end of the rotating shaft extending outside the chamber. In this way, the second connecting rod, the first connecting rod and the gate body form a crank mechanism, and the gate body can be driven to rotate around the bottom shaft when the second connecting rod rotates around the rotating shaft.

[0010] A placing groove is made on the ground below the gate body, and the gate body can block the opening of the placing groove when the gate body is in a horizontal state. The first connecting rod and the second connecting rod are arranged in the placing groove. In this way, when the gate body is in a horizontal state, the gate body can close the opening of the placing groove, and the first connecting rod and the second connecting rod are arranged in the placing groove, so that exchange of water between the placing groove and the river channel is avoided to prevent silt from accumulating in the placing groove.

[0011] A rubber pad is arranged at the position where the gate body cooperates with the placing groove. In this way, the sealing between the gate body and the opening of the placing groove can be enhanced.

[0012] A pipeline is made on the side wall of the placing groove, the inlet of the pipeline is arranged in the placing groove, the outlet of the pipeline is located at a low water level position, and a valve is installed on the pipeline. In this way, when the flap gate is in a vertical state to block water, the valve on the pipeline is opened, and at this time, part of the water flow on the high water level side of the gate body flows to the low water level side of the gate body through the pipeline in the placing groove under the water pressure between the two sides of the gate body. The water flow plays a flushing role on the placing groove when flowing through the placing groove, which can flush the silt deposited in the placing groove.

[0013] Two groups of driving mechanisms and transmission mechanisms are arranged on one gate body, the two driving mechanisms are arranged between the two transmission mechanisms, and the two driving mechanisms are arranged in the same chamber.

[0014] A gate structure of a river channel includes the above-mentioned bottom shaft flap gate and the gate structure of the river channel and the gate structure of the river channel. The gate piers are arranged on the riverbanks on both sides of the river channel, at least two bottom shaft flap gates are arranged between the two gate piers, and the adjacent two transmission mechanisms between the adjacent two bottom shaft flap gates are arranged in the same placing groove. In this way, different numbers of bottom shaft flap gates can be used to make them suitable for river channels of different widths.

[0015] The utility model discloses an advantageous effect is: the utility model discloses a chamber is arranged in the ground below the gate body and is arranged the drive mechanism for driving the gate body rotation in the chamber, so make the chamber and the river course where the gate body is located separate, avoid the water flow and silt in the river course to enter into the chamber and cause the influence to the drive mechanism in the chamber, the utility model discloses a pivot is installed on the chamber lateral wall body, and the end of pivot extends to the outside of chamber, and the hydraulic hoist that can drive pivot rotation is arranged in the chamber, and the pivot can be driven to rotate when the hydraulic hoist operates, the utility model discloses a first connecting rod and second connecting rod are connected between pivot and gate body, and the gate body can be driven to rotate under the action of first connecting rod and second connecting rod when the pivot is driven to rotate by the hydraulic hoist, thereby realizing the opening and closing of gate body, the utility model discloses a placing groove is arranged on the ground below the gate body and makes the opening of placing groove cooperate with the gate body, so that when the gate body is in the prone state, the opening of placing groove can be closed by the gate body, and first connecting rod and second connecting rod are arranged in the placing groove, avoid the exchange of water in the placing groove and the river course to cause the silt accumulation in the placing groove to influence the movement of first connecting rod and second connecting rod, the utility model discloses that the pipeline is made on the lateral wall of placing groove, and the inlet of pipeline is arranged in the placing groove, and the outlet of pipeline is located at the downstream side position of gate body, and the valve is installed on the pipeline, so when the flap gate is in the vertical state and blocks water, the valve on the pipeline is opened, and the part of water flow on the high water level side of gate body flows to the low water level side of gate body through the pipeline in the placing groove under the water pressure between the upstream side and downstream side of gate body, and the water flow plays the washing effect to the placing groove when flowing through the placing groove, and can flush the silt deposition in the placing groove. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 : the structure schematic diagram of the gate body in the vertical state at the chamber in the utility model embodiment one.

[0017] Figure 2 : the structure schematic diagram when the gate body in the vertical state at the placing groove in the utility model embodiment one.

[0018] Figure 3 : the structure schematic diagram of the gate body in the prone state in the utility model embodiment one.

[0019] Figure 4 : the structure schematic diagram of the utility model embodiment two.

[0020] Fig: 1, gate body;1-1, bottom shaft;2, drive mechanism;2-1, hydraulic hoist;2-2, turn knob;3, pivot;4, transmission mechanism;4-1, first connecting rod;4-2, second connecting rod;5, pipeline;6, valve;7, chamber;8, placing groove;9, gate pier. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail below by combining with the drawings and through examples, the following examples are the explanation of the utility model and the utility model is not limited to the following examples.

[0022] The embodiment one is a bottom shaft 1-1 flap gate. The gate body 1 is arranged in the river channel, the bottom shaft 1-1 is installed at the bottom of the gate body 1, and the bottom shaft 1-1 is installed on the ground of the river channel. The gate body 1 can rotate in the river channel under the action of the base, when the gate body 1 rotates to the vertical state, the gate body 1 is opened and water is blocked, and when the gate body 1 rotates to the horizontal state, the gate body 1 is closed.

[0023] In the embodiment, the chamber 7 is arranged in the ground below the gate body 1, the chamber 7 is separated from the river channel, the driving mechanism 2 is arranged in the chamber 7, the driving mechanism 2 has the hydraulic hoist 2-1, the adjusting support is installed on the hydraulic hoist 2-1, and the hydraulic hoist 2-1 is adjustably installed in the chamber 7 through the adjusting support. The rotating shaft 3 is installed on the wall of the chamber 7, the two ends of the rotating shaft 3 are arranged in the chamber 7 and outside the chamber 7 respectively, the end of the rotating shaft 3 arranged in the chamber 7 is provided with the handle 2-2, and the end of the handle 2-2 is connected with the end of the hydraulic hoist 2-1 through the hinge. In this way, the hydraulic hoist 2-1 and the handle 2-2 form a crank rocker mechanism, and when the hydraulic hoist 2-1 operates, the handle 2-2 and the rotating shaft 3 can be driven to rotate around the axis of the rotating shaft 3.

[0024] In the embodiment, the transmission mechanism 4 is arranged between the end of the rotating shaft 3 outside the chamber 7 and the gate body 1. The transmission mechanism 4 has the first connecting rod 4-1 and the second connecting rod 4-2, the first end of the first connecting rod 4-1 is connected with the gate body 1 through the hinge, the first end of the second connecting rod 4-2 is connected with the second end of the first connecting rod 4-1 through the hinge, and the second end of the second connecting rod 4-2 is installed at the end of the rotating shaft 3 extending outside the chamber 7. In this way, the second connecting rod 4-2, the first connecting rod 4-1 and the gate body 1 form a crank connecting rod mechanism, and when the second connecting rod 4-2 rotates around the rotating shaft 3, the gate body 1 can be driven to rotate around the bottom shaft 1-1. When the hydraulic hoist 2-1 operates, the gate body 1 can be driven to rotate under the action of the handle 2-2, the rotating shaft 3, the second connecting rod 4-2 and the first connecting rod 4-1, so that the opening and closing of the gate body 1 are realized.

[0025] In the embodiment, the placing groove 8 is excavated on the ground below the gate body 1, when the gate body 1 is in the horizontal state, the gate body 1 can block the opening of the placing groove 8, and the rubber pad is arranged at the position where the gate body 1 cooperates with the placing groove 8, and at this time, the first connecting rod 4-1 and the second connecting rod 4-2 are arranged in the placing groove 8. In this way, when the gate body 1 is in the horizontal state, the water flow in the river channel can be prevented from flowing into the placing groove 8 and causing the silt to accumulate in the placing groove 8, which will affect the operation of the first connecting rod 4-1 and the second connecting rod 4-2.

[0026] In the embodiment, a pipeline 5 is arranged on the sidewall of the placing groove 8, the inlet of the pipeline 5 is arranged in the placing groove 8, the outlet of the pipeline 5 is arranged at the low water level side of the gate body 1, and a valve 6 is arranged on the pipeline 5. In this way, when the gate body 1 is in the vertical state, the water flow is discharged to the placing groove 8 by opening the valve 6 on the pipeline 5, and the water flow in the placing groove 8 is discharged from the low water level side through the pipeline 5 under the action of the water level, and the accumulated sludge in the placing groove 8 is flushed during the flow of the water flow in the placing groove 8.

[0027] In the embodiment, a pipeline 5 is arranged on the sidewall of the placing groove 8, the inlet of the pipeline 5 is arranged in the placing groove 8, the outlet of the pipeline 5 is arranged at the low water level side of the gate body 1, and a valve 6 is arranged on the pipeline 5. In this way, when the gate body 1 is in the vertical state, the water flow is discharged to the placing groove 8 by opening the valve 6 on the pipeline 5, and the water flow in the placing groove 8 is discharged from the low water level side through the pipeline 5 under the action of the water level, and the accumulated sludge in the placing groove 8 is flushed during the flow of the water flow in the placing groove 8.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A bottom-hinged flap gate, characterized by: have: Gate body (1), the gate body (1) is rotatably mounted on the ground via the bottom shaft (1-1); The drive mechanism (2) is arranged in the chamber (7) below the gate body (1) on the ground. The end of the drive mechanism (2) is equipped with a rotating shaft (3). The rotating shaft (3) is installed on the wall of the chamber (7), and the end of the rotating shaft (3) extends out of the chamber (7). The transmission mechanism (4) is connected between the end of the rotating shaft (3) outside the chamber (7) and the gate body (1), and is used to drive the gate body (1) to rotate around the bottom shaft (1-1) when the rotating shaft (3) rotates.

2. A bottom-hinged flap gate according to claim 1, characterized in that: The drive mechanism (2) has a hydraulic gate opener (2-1) installed in the chamber (7). The end of the hydraulic gate opener (2-1) is connected to a handle (2-2) by a hinge. The handle (2-2) is installed on the rotating shaft (3) in the radial direction along the rotating shaft (3).

3. A bottom-hinged flap gate according to claim 1, characterized in that: The transmission mechanism (4) has a first link (4-1) and a second link (4-2). The first end of the first link (4-1) is connected to the gate body (1) by a hinge. The first end of the second link (4-2) is connected to the second end of the first link (4-1) by a hinge. The second end of the second link (4-2) is installed at the end of the rotating shaft (3) that extends out of the chamber (7).

4. A bottom-hinged flap gate according to claim 1, characterized in that: A placement groove (8) is made on the ground below the gate body (1). When the gate body (1) is rotated to a horizontal position, the gate body (1) can block the opening of the placement groove (8). The first connecting rod (4-1) and the second connecting rod (4-2) on the gate body (1) are arranged in the placement groove (8).

5. A bottom-hinged flap gate according to claim 3, wherein: A rubber pad is provided at the mating position between the gate body (1) and the placement groove (8).

6. A bottom-hinged flap gate according to claim 3, wherein: A pipe (5) is made on the side wall of the placement tank (8). The inlet of the pipe (5) is arranged in the placement tank (8), and the outlet of the pipe (5) is located on the low water level side of the gate body (1). A valve (6) is installed on the pipe (5).

7. A bottom-hinged flap gate according to claim 1, characterized in that: Two sets of drive mechanisms (2) and transmission mechanisms (4) are provided on a gate body (1). The two drive mechanisms (2) are arranged between the two transmission mechanisms (4), and the two drive mechanisms (2) are arranged in the same chamber (7).

8. A gate structure of a river channel comprising a bottom shaft flap gate according to any one of claims 1 to 7, characterized in that: Gate piers (9) are set on both sides of the riverbank. At least two bottom shaft (1-1) flap gates are set between two gate piers (9). Two adjacent transmission mechanisms (4) are arranged in the same placement slot (8) between two adjacent bottom shaft (1-1) flap gates.

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