Curtain type layered water intake gate

Abstract

The invention relates to the technical field of gates, and discloses a curtain type layered water intake gate which comprises a gate unit, a gate storage unit, a driving unit, a traction unit and a control unit. The gate storage unit is provided with a vertical storage chamber corresponding to the vertical adjusting gate, the driving unit is connected with the vertical adjusting gate, the traction unit comprises vertical traction mechanisms fixed to gate piers on the two sides of a water intake, and the control unit is configured to control the driving unit based on the downstream water intake requirement. The vertical adjusting gate achieves vertical layered water taking by adjusting the depth of the water taking opening. The defects that a traditional gate only has a single water taking layer and is complex in operation are effectively overcome, and the adaptability regulation and control capacity of a water conservancy project to a water area ecological system is remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of gate technology, specifically to a curtain-type tiered water intake gate. Background Technology

[0002] Temperature is a crucial physical factor in water bodies, directly impacting other water quality parameters and the survival and development of biological communities. For example, in lakes, rising water temperatures accelerate the growth and reproduction of phytoplankton and animals, increasing the risk of eutrophication. Similarly, in reservoirs, high-head dams alter the hydraulic and thermodynamic conditions of the original river channel after impoundment, causing temperature stratification. Since power generation requires relatively low intake points, the discharge of water from the power station results in the release of low-temperature water from the lower layers, leading to delayed spawning of fish in the downstream river and "chilling injury" to crops along the banks.

[0003] To address these issues, existing technologies employ intake gates. Conventional flat gates can only control the intake height by raising and lowering the entire structure, forcibly drawing water from the bottom or surface layers, but cannot selectively draw water from the middle layers. While stacked beam gates can adjust the intake height by stacking beam sections, each adjustment requires disassembling and reassembling the beam sections individually, which is time-consuming and cannot meet the needs of dynamic water regulation. Summary of the Invention

[0004] In view of this, the present invention provides a curtain-type tiered water intake gate to solve the problem of lack of vertical flexibility of water intake gates.

[0005] In a first aspect, the present invention provides a curtain-type tiered water intake gate, comprising:

[0006] The gate unit includes at least one set of vertical regulating gates, wherein the vertical regulating gates have water intakes;

[0007] The gate storage unit is provided with a vertical storage chamber corresponding to the vertical regulating gate;

[0008] The drive unit is connected to the vertical regulating gate;

[0009] The traction unit includes a vertical traction mechanism fixed to the gate piers on both sides of the water intake.

[0010] The control unit is configured to control the drive unit based on downstream water intake demand.

[0011] The vertical regulating gate achieves vertical stratified water intake by adjusting the depth of the water intake.

[0012] This curtain-type stratified water intake gate achieves stratified water intake by adjusting the depth of the curtain within the vertical storage chamber. Specifically, when water temperature needs adjustment, the control unit activates the corresponding drive unit based on real-time monitoring of downstream water demand data. The drive unit, via a mechanical transmission device, moves the vertical regulating gate up and down along the guide rail of the vertical traction mechanism, thus changing the position of the water intake on the gate. This design allows the gate to flexibly adjust the spatial position of the water intake section without altering the overall structure, enabling water intake from any location in the vertical direction, from the surface to deep water layers. This effectively solves the drawbacks of traditional gates, which can only intake from a single water layer and are complex to operate, significantly improving the adaptive regulation capability of water conservancy projects for aquatic ecosystems.

[0013] In one optional embodiment, the gate unit further includes at least one set of lateral regulating gates, the gate storage unit is provided with a lateral storage chamber corresponding to the lateral regulating gates, the drive unit is connected to the vertical regulating gates and the lateral regulating gates respectively, the traction unit includes a lateral traction mechanism, and the lateral regulating gates achieve water intake flow control by adjusting the opening degree.

[0014] This curtain-type stratified water intake gate achieves dual regulation of stratification and flow through the coordinated action of vertical and horizontal regulating gates. Specifically, when stratification of downstream water intake flow is required, the control unit activates the corresponding drive units based on real-time monitored flow data. The drive unit connected to the horizontal regulating gate uses a mechanical transmission device to move the gate horizontally along the guide rail of the horizontal traction mechanism, changing its horizontal opening at the intake and thus adjusting the horizontal cross-sectional area of ​​the water passage to achieve precise flow control. Simultaneously, the vertical regulating gate rises and falls within the vertical storage chamber through curtain depth adjustment, changing the position of the intake on the gate to select water for different water layers. This design allows the gate system to meet water temperature regulation or ecological flow requirements vertically through stratified water intake, and to flexibly control the overall water flow horizontally through opening adjustment. The combination of the two can dynamically adjust the water intake mode according to downstream water use scenarios (such as agricultural irrigation, ecological water replenishment, power generation water use, etc.), effectively solving the problem of traditional gates having only one direction of adjustment and single function, and significantly improving the adaptability and regulation capability of water conservancy projects to complex water use demands.

[0015] In one optional embodiment, the vertical regulating gate includes an upper roller shutter gate and a lower roller shutter gate, and the interval between the upper roller shutter gate and the lower roller shutter gate on one side of each other constitutes the water intake.

[0016] This curtain-type stratified water intake gate achieves vertical stratified water intake through the coordinated opening and closing of the upper and lower roller shutter gates. Specifically, when water temperature or flow needs adjustment, the control unit, based on real-time monitoring of downstream water demand data, activates the drive unit to move the upper and lower roller shutter gates along the guide rails of the vertical traction mechanism. Adjusting the spacing between the two gates changes the position of the water intake. When both gates are fully closed, a sealed structure blocks the water flow. As they rise or fall synchronously, the height of the water intake increases or decreases accordingly, and the position of the water intake changes with their movement, thus achieving selective extraction of water from different water layers. This vertical double-gate structure, by precisely controlling the gate spacing, can quickly adapt to the gradient water intake demand from the surface to deeper layers without changing the overall gate height. It effectively solves the problem of traditional single-layer gates being unable to flexibly adjust intermediate water layers, significantly improving the ability of water conservancy projects to precisely control the stratified characteristics of water temperature in water bodies.

[0017] In one optional embodiment, the lateral regulating gate includes a left curtain gate and a right curtain gate, which are symmetrically arranged on both sides of the water intake.

[0018] This curtain-type tiered intake gate achieves flow regulation through the coordinated lateral opening and closing of the left and right curtain gates. When flow regulation is required, the control unit, based on real-time monitored flow demand data, activates the drive unit to move the left and right curtain gates horizontally towards or away from each other along the guide rails of the lateral traction mechanism. By changing the opening and closing distance between them, the lateral cross-sectional area of ​​the intake is adjusted. When both gates are fully closed, the lateral water flow is blocked; when they contract or expand synchronously, the cross-sectional area increases or decreases accordingly, thus achieving tiered control of the intake flow. This symmetrical gate structure, by adjusting the lateral opening, can quickly adapt to different flow demand switching conditions without affecting the vertical tiered intake function. It effectively solves the problem of traditional gates relying on multiple independent gate combinations for lateral adjustment, significantly improving the water conservancy project's ability to precisely control the intake flow.

[0019] In one optional implementation, the gate storage unit includes:

[0020] The upper storage room and the lower storage room respectively accommodate the non-working sections of the upper roller shutter and the lower roller shutter;

[0021] The left and right storage chambers respectively accommodate the non-working sections of the left and right curtain gates.

[0022] This curtain-type tiered intake gate achieves efficient gate storage and scheduling through a tiered storage chamber structure. When vertical or horizontal water intake adjustment is required, the control unit, according to the preset gate movement trajectory, vertically releases the non-working section of the corresponding upper or lower roller shutter gate from the upper or lower storage chamber, allowing it to slide along the gate slot guide rail to the working position. Simultaneously, the non-working sections of the left and right curtain gates are horizontally moved out from the left and right storage chambers, adjusted to the specified opening degree by a lateral traction mechanism. This modular storage design allows each gate to be stored in an orderly manner when not in operation, avoiding redundant accumulation of underwater components and shortening the gate opening and closing response time through preset storage positions. It effectively solves the problems of dispersed storage space and complex operation and maintenance of traditional gates, significantly improving the space utilization and dynamic adjustment efficiency of the gate system.

[0023] In one alternative embodiment, the vertical storage chamber is embedded inside the gate pier, and the horizontal storage chamber is disposed in a groove in the side wall of the water intake.

[0024] This curtain-style tiered intake gate achieves efficient gate access and space optimization through the coordinated layout of an embedded vertical storage chamber and a side-wall recessed horizontal storage chamber. When the system activates the vertical adjustment function, the non-working sections of the upper and lower curtain gates are vertically released from the internal vertical storage chamber along the guide rail, unfolding with the aid of their own gravity or the drive unit. During horizontal adjustment, the non-working sections of the left and right curtain gates slide horizontally out from the recessed horizontal storage chamber on the side wall of the intake, and are adjusted to the set opening degree by the traction mechanism. This spatial layout integrates the storage of the vertical gates with the gate structure, reducing the space occupied by external equipment. The double-layer nested storage structure not only enables rapid deployment of gate components but also reduces the risk of interference between moving parts in different directions through physical isolation, significantly improving operational reliability under complex operating conditions.

[0025] In one optional implementation, the drive unit includes:

[0026] A vertical drive assembly drives the upper roller shutter and the lower roller shutter to roll vertically.

[0027] A lateral drive assembly drives the left and right curtain gates to slide laterally.

[0028] This curtain-type tiered water intake gate achieves multi-dimensional adjustment functions through the coordinated drive of the vertical and horizontal drive components. When the control unit receives the vertical tiered command for downstream water intake, the vertical drive component drives the upper and lower roller shutter gates to rotate through the hoisting mechanism, causing the gate curtains to be vertically raised and lowered along the gate slot guide rail, thereby adjusting the vertical distance between them to change the height of the water intake. When it is necessary to adjust the flow rate laterally, the horizontal drive component drives the sliding mechanisms of the left and right curtain gates to move in opposite directions along the horizontal guide rail, thereby adjusting the lateral water passage cross-sectional area by changing the coverage of the curtain panels on both sides of the water intake. This dual-drive system adopts a modular design. The vertical drive component is integrated into the drive compartment inside the gate pier, while the lateral drive component is configured in a dedicated chassis on the side wall of the water intake. The vertical roller curtain depth and lateral opening are coupled and controlled through real-time calculations by the control unit. This system can meet the water intake needs of different seasonal water temperature stratification and adapt to diverse flow conditions such as agricultural irrigation and ecological water replenishment. It can improve the gate adjustment accuracy while significantly reducing the intensity of manual operation.

[0029] In one optional embodiment, the vertical traction mechanism of the traction unit includes a door slot disposed on the side wall of the gate pier, and a guide rail is provided on its inner side to constrain the movement path of the roller shutter gate.

[0030] The vertical traction mechanism of this curtain-type tiered intake gate achieves precise gate positioning through the coordinated constraint of the embedded gate slot and guide rail. When the control unit issues a vertical adjustment command, the drive unit drives the roller of the upper or lower roller gate to rotate, causing the gate curtain to slide vertically along the guide rail inside the pre-set gate slot on the side wall of the gate pier. The gate slot is made of wear-resistant alloy steel, and its inner side is machined with a V-shaped guide groove, forming a high-precision sliding fit with the guide wheel assembly at the bottom of the gate. This not only limits the gate's horizontal offset but also compensates for deformation errors caused by the gate's own weight through the track tilt angle. This mechanical guidance system ensures the stability of vertical adjustment.

[0031] In one alternative embodiment, the lateral traction mechanism of the traction unit includes guide rails disposed on the top side of the water intake and the bottom sill.

[0032] The lateral traction mechanism of this curtain-type layered water intake gate achieves stable translation of the gate through the coordinated constraint of the top and bottom double guide rails. When the control unit issues a lateral adjustment command, the drive unit drives the sliding mechanism of the left curtain gate and the right curtain gate to move horizontally along the track formed by the top guide rail and the bottom sill guide rail of the water intake. The guide rails are arranged in a mirror symmetric manner. The top guide rail is embedded in the groove at the top of the gate pier, and the bottom sill guide rail is pre-embedded in the groove of the concrete bottom sill. The V-shaped roller group and the guide rail are closely matched to form a positioning support, which controls the vertical displacement and sway of the gate.

[0033] In one alternative implementation, the control unit is configured as follows:

[0034] Receive water temperature monitoring data and downstream water intake requests;

[0035] Generate vertical roller blind depth and horizontal opening instructions;

[0036] The drive unit is linked to perform a stratified water intake operation.

[0037] The control unit of this curtain-type tiered water intake gate achieves precise water intake scheduling through multi-source data fusion and collaborative control algorithms. Upon receiving vertical water temperature stratification data and flow and water temperature demand signals from downstream water users, the built-in data analysis module calculates based on a preset ecological threshold model (such as the water temperature window during fish spawning season and the upper limit of agricultural irrigation temperature) to generate vertical curtain depth commands (such as opening the middle layer water intake window) and lateral opening commands (such as matching irrigation flow demand). Subsequently, the control unit sends a depth adjustment signal to the vertical drive component (such as a hoist motor) to drive the upper and lower curtain gates to rise and fall synchronously along the gate slot guide rail to the set height; at the same time, it sends an opening command to the lateral drive component (such as an electric push rod) to control the left and right curtain gates to move horizontally along the top and bottom guide rails to the target opening. Attached Figure Description

[0038] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the structure of a curtain-type tiered water intake gate according to an embodiment of the present invention;

[0040] Figure 2 This is a schematic diagram of the traction unit in a curtain-type layered water intake gate according to an embodiment of the present invention.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. Upper roller shutter gate; 2. Lower roller shutter gate; 3. Left curtain gate; 4. Right curtain gate; 5. Upper storage room; 6. Lower storage room; 7. Left storage room; 8. Right storage room. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] Temperature is a crucial physical factor in water bodies, directly impacting other water quality parameters and the survival and development of biological communities. For example, in lakes, rising water temperatures accelerate the growth and reproduction of phytoplankton and animals, increasing the risk of eutrophication. Similarly, in reservoirs, high-head dams alter the hydraulic and thermodynamic conditions of the original river channel after impoundment, causing temperature stratification. Since power generation requires relatively low intake points, the discharge of water from the power station results in the release of low-temperature water from the lower layers, leading to delayed spawning of fish in the downstream river and "chilling injury" to crops along the banks.

[0045] To address these issues, existing technologies employ intake gates. Conventional flat gates can only control the intake height by raising and lowering the entire structure, forcibly drawing water from the bottom or surface layers, but cannot selectively draw water from the middle layers. While stacked beam gates can adjust the intake height by stacking beam sections, each adjustment requires disassembling and reassembling the beam sections individually, which is time-consuming and cannot meet the needs of dynamic water regulation.

[0046] The following is combined Figure 1 and Figure 2 The following describes embodiments of the present invention.

[0047] According to an embodiment of the present invention, a curtain-type stratified water intake gate is provided, comprising a gate unit, a gate storage unit, a drive unit, a traction unit, and a control unit. The gate unit includes at least one set of vertical regulating gates, each with a water intake. The gate storage unit is provided with a vertical storage chamber corresponding to the vertical regulating gate. The drive unit is connected to the vertical regulating gate. The traction unit includes a vertical traction mechanism fixed to gate piers on both sides of the water intake. The control unit is configured to control the drive unit based on downstream water intake demand. The vertical regulating gate achieves vertical stratified water intake by adjusting the depth of the water intake.

[0048] This curtain-type stratified water intake gate achieves stratified water intake by adjusting the depth of the curtain within the vertical storage chamber. Specifically, when water temperature needs adjustment, the control unit activates the corresponding drive unit based on real-time monitoring of downstream water demand data. The drive unit, via a mechanical transmission device, moves the vertical regulating gate up and down along the guide rail of the vertical traction mechanism, thus changing the position of the water intake on the gate. This design allows the gate to flexibly adjust the spatial position of the water intake section without altering the overall structure, enabling water intake from any location in the vertical direction, from the surface to deep water layers. This effectively solves the drawbacks of traditional gates, which can only intake from a single water layer and are complex to operate, significantly improving the adaptive regulation capability of water conservancy projects for aquatic ecosystems.

[0049] In one embodiment, the gate unit further includes at least one set of lateral regulating gates, the gate storage unit is provided with a lateral storage chamber corresponding to the lateral regulating gates, the drive unit is connected to the vertical regulating gates and the lateral regulating gates respectively, the traction unit includes a lateral traction mechanism, and the lateral regulating gates achieve water intake flow control by adjusting the opening degree.

[0050] This curtain-type stratified water intake gate achieves dual regulation of stratification and flow through the coordinated action of vertical and horizontal regulating gates. When stratification of downstream water intake is required, the control unit activates the corresponding drive units based on real-time monitored flow data. The drive unit connected to the horizontal regulating gate moves the gate horizontally along the guide rail of the horizontal traction mechanism via a mechanical transmission device, changing its lateral opening at the intake and thus adjusting the horizontal cross-sectional area of ​​the water passage for precise flow control. Simultaneously, the vertical regulating gate rises and falls within the vertical storage chamber through curtain depth adjustment, changing the position of the intake at the gate and enabling selection of water intake for different water layers. This design allows the gate system to meet water temperature regulation or ecological flow requirements vertically through stratified water intake, and flexibly control the overall flow rate horizontally through opening adjustment. The combination of these two approaches allows for dynamic adjustment of the water intake mode according to downstream water use scenarios (such as agricultural irrigation, ecological water replenishment, and power generation), effectively solving the problems of traditional gates' single-direction regulation and limited functionality, and significantly improving the adaptability of water conservancy projects to complex water demand.

[0051] In one embodiment, the vertical regulating gate includes an upper roller shutter gate 1 and a lower roller shutter gate 2, and the interval between the upper roller shutter gate 1 and the lower roller shutter gate 2 on one side of each other constitutes a water intake.

[0052] This curtain-type stratified water intake gate achieves vertical stratified water intake through the coordinated opening and closing of the upper roller shutter gate 1 and the lower roller shutter gate 2. When it is necessary to adjust the water temperature or flow rate, the control unit, based on real-time monitoring of downstream water demand data, activates the drive unit to move the upper roller shutter gate 1 and the lower roller shutter gate 2 along the guide rail of the vertical traction mechanism, changing the position of the water intake by adjusting the spacing between them. When both gates are fully closed, a sealed structure is formed to block the water flow. When both gates rise or fall synchronously, the height of the water intake increases or decreases accordingly. Simultaneously, as both gates move, the position of the water intake also changes, thus achieving selective extraction of water from different water layers. This vertical double-gate structure, by precisely controlling the gate spacing, can quickly adapt to the gradient water intake demand from the surface to the deep layers without changing the overall gate height. It effectively solves the problem that traditional single-layer gates cannot flexibly adjust intermediate water layers, significantly improving the water conservancy project's ability to finely regulate the stratification characteristics of water temperature.

[0053] Specifically, the upper roller shutter 1 and the lower roller shutter 2 are roller shutters made of flexible or hinged panels, respectively wound onto rollers installed in the upper and lower storage compartments. The rollers are supported by a support frame and bearings, and a drive unit (motor and reduction gear) is connected to the rollers to drive the rolling up and down of the roller shutters. Figure 2 As shown in the upper middle figure, the vertical traction mechanism includes vertical door groove guide rails set on both sides of the roller shutter. The guide rails can be equipped with pulleys or rollers to reduce friction and ensure smooth vertical opening and closing and accurate positioning of the roller shutter.

[0054] In one embodiment, the lateral regulating gate includes a left curtain gate 3 and a right curtain gate 4, which are symmetrically arranged on both sides of the water intake.

[0055] This curtain-type tiered intake gate achieves flow regulation through the coordinated lateral opening and closing of the left curtain gate 3 and the right curtain gate 4. When flow regulation is required, the control unit, based on real-time monitored flow demand data, activates the drive unit to move the left curtain gate 3 and the right curtain gate 4 horizontally towards or away from each other along the guide rails of the lateral traction mechanism. By changing the opening and closing distance between them, the lateral cross-sectional area of ​​the intake is adjusted. When both gates are fully closed, the lateral water flow is blocked; when they contract or expand synchronously, the cross-sectional area increases or decreases accordingly, thus achieving tiered control of the intake flow. This symmetrical gate structure, by adjusting the lateral opening, can quickly adapt to different flow demand switching conditions without affecting the vertical tiered intake function. It effectively solves the problem of traditional gate lateral regulation relying on multiple independent gate combinations, significantly improving the water conservancy project's ability to finely control the intake flow.

[0056] In one embodiment, the gate storage unit includes an upper storage chamber 5, a lower storage chamber 6, a left storage chamber 7, and a right storage chamber 8. The upper storage chamber 5 and the lower storage chamber 6 respectively accommodate the non-working sections of the upper roller shutter gate 1 and the lower roller shutter gate 2; the left storage chamber 7 and the right storage chamber 8 respectively accommodate the non-working sections of the left curtain gate 3 and the right curtain gate 4.

[0057] This curtain-type tiered intake gate achieves efficient gate storage and scheduling through a tiered storage chamber structure. When vertical or horizontal water intake adjustment is required, the control unit, according to the preset gate movement trajectory, vertically releases the non-working section of the corresponding upper roller shutter gate 1 or lower roller shutter gate 2 from the upper storage chamber 5 or lower storage chamber 6, allowing it to slide along the gate slot guide rail to the working position. Simultaneously, the non-working sections of the left curtain gate 3 and right curtain gate 4 are horizontally moved out from the left storage chamber 7 and right storage chamber 8, and adjusted to the specified opening degree by the horizontal traction mechanism. This modular storage design allows each gate to be stored in an orderly manner when not in operation, avoiding redundant accumulation of underwater components and shortening the gate opening and closing response time through preset storage positions. It effectively solves the problems of dispersed storage space and complex operation and maintenance of traditional gates, significantly improving the space utilization and dynamic adjustment efficiency of the gate system.

[0058] Specifically, the left-curtain gate 3 and the right-curtain gate 4 adopt a flexible curtain or hinged door panel structure, which is stored in the side storage chamber by a roller or sliding device, and its horizontal unfolding or retraction is controlled by a drive unit (motor and gear mechanism). Figure 2 As shown in the figure below, the lateral traction mechanism includes horizontal guide rails and chutes at the top and bottom of the water intake. The lower guide rail has pulleys to support the weight of the gate and ensure stable horizontal movement.

[0059] Furthermore, each gate's roller is connected to an independent motor, which drives the gate's movement via a reduction gear or transmission chain. A position sensor is installed at the motor shaft end to provide real-time feedback on the gate's position. Based on the sensor signals, the control unit coordinates the movement of each gate through automatic control logic and a human-machine interface, ensuring precise adjustment of the vertical and lateral opening of the water intake to achieve stratified and accurate water intake.

[0060] Each storage unit (upper and lower storage chambers and left and right storage chambers) is firmly installed on the main structure of the water intake through a support frame. The roller, door groove, guide rail and storage chamber outlet are precisely connected to achieve smooth entry and exit of the gate and reliable storage, and the whole is sealed and waterproof.

[0061] In one embodiment, the vertical storage chamber is embedded inside the gate pier, and the horizontal storage chamber is disposed in the groove of the side wall of the water intake.

[0062] This curtain-style layered intake gate achieves efficient gate access and space optimization through the coordinated layout of an embedded vertical storage chamber and a side-wall recessed horizontal storage chamber. When the system activates the vertical adjustment function, the non-working sections of the upper and lower curtain gates 1 and 2 are vertically released from the internal vertical storage chamber along the guide rail, unfolding with the aid of their own gravity or the drive unit. During horizontal adjustment, the non-working sections of the left and right curtain gates 3 and 4 slide horizontally out from the recessed horizontal storage chamber on the side wall of the intake, and are adjusted to the set opening degree by the traction mechanism. This spatial layout integrates the storage of the vertical gates with the gate structure, reducing the space occupied by external equipment. The double-layered nested storage structure not only enables rapid deployment of gate components but also reduces the risk of interference between moving parts in different directions through physical isolation, significantly improving operational reliability under complex operating conditions.

[0063] In one embodiment, the drive unit includes a vertical drive component and a horizontal drive component. The vertical drive component drives the upper roller shutter 1 and the lower roller shutter 2 to roll vertically; the horizontal drive component drives the left curtain gate 3 and the right curtain gate 4 to slide horizontally.

[0064] This curtain-type tiered water intake gate achieves multi-dimensional adjustment functions through the coordinated drive of the vertical and horizontal drive components. When the control unit receives the vertical tiered command for downstream water intake, the vertical drive component drives the upper roller shutter 1 and the lower roller shutter 2 to rotate through the hoisting mechanism, causing the gate curtains to be vertically raised and lowered along the gate slot guide rail, thereby adjusting the vertical distance between them to change the height of the water intake. When it is necessary to adjust the flow rate laterally, the horizontal drive component drives the sliding mechanism of the left curtain gate 3 and the right curtain gate 4 to move in opposite directions along the horizontal guide rail, thereby adjusting the lateral water passage cross-sectional area by changing the coverage of the curtain panels on both sides of the water intake. This dual-drive system adopts a modular design. The vertical drive component is integrated into the drive compartment inside the gate pier, while the lateral drive component is configured in a dedicated chassis on the side wall of the water intake. The vertical roller curtain depth and lateral opening are coupled and controlled through real-time calculations by the control unit. This system can meet the water intake needs of different seasonal water temperature stratification and adapt to diverse flow conditions such as agricultural irrigation and ecological water replenishment. It can improve the gate adjustment accuracy while significantly reducing the intensity of manual operation.

[0065] The vertical drive assembly can utilize existing hoisting mechanisms or rack and pinion mechanisms. The lateral drive assembly can utilize existing electric actuators or chain drive systems.

[0066] In one embodiment, the vertical traction mechanism of the traction unit includes a door slot disposed on the side wall of the gate pier, and a guide rail is provided on its inner side to constrain the movement path of the roller shutter gate.

[0067] The vertical traction mechanism of this curtain-type tiered intake gate achieves precise gate positioning through the coordinated constraint of the embedded gate slot and guide rail. When the control unit issues a vertical adjustment command, the drive unit drives the roller of the upper roller gate 1 or the lower roller gate 2 to rotate, causing the gate curtain to slide vertically along the guide rail inside the pre-set gate slot on the side wall of the gate pier. The gate slot is made of wear-resistant alloy steel, and its inner side is machined with a V-shaped guide groove, forming a high-precision sliding fit with the guide wheel assembly at the bottom of the gate. This not only limits the gate's horizontal offset but also compensates for deformation errors caused by the gate's own weight through the track tilt angle. This mechanical guidance system ensures the stability of vertical adjustment.

[0068] In one embodiment, the lateral traction mechanism of the traction unit includes guide rails disposed on the top side of the water intake and the bottom sill.

[0069] The lateral traction mechanism of this curtain-type layered water intake gate achieves stable translation of the gate through the coordinated constraint of the top and bottom double guide rails. When the control unit issues a lateral adjustment command, the drive unit drives the sliding mechanism of the left curtain gate 3 and the right curtain gate 4 to move horizontally along the track formed by the top guide rail and the bottom sill guide rail of the water intake. The guide rails are arranged in a mirror symmetric manner. The top guide rail is embedded in the groove at the top of the gate pier, and the bottom sill guide rail is pre-embedded in the groove of the concrete bottom sill. The V-shaped roller group and the guide rail are closely matched to form a positioning support, which controls the vertical displacement and sway of the gate.

[0070] In one embodiment, the control unit is configured to receive water temperature monitoring data and downstream water intake requirements, generate vertical curtain depth instructions and horizontal opening instructions, and link the control drive unit to perform stratified water intake operations.

[0071] The control unit of this curtain-type tiered water intake gate achieves precise water intake scheduling through multi-source data fusion and collaborative control algorithms. Upon receiving vertical water temperature stratification data and flow and water temperature demand signals from downstream water users, the built-in data analysis module calculates based on a preset ecological threshold model (such as the water temperature window during fish spawning season and the upper limit of agricultural irrigation temperature) to generate vertical curtain depth commands (such as opening the middle layer water intake window) and horizontal opening commands (such as matching irrigation flow demand). Subsequently, the control unit sends a depth adjustment signal to the vertical drive component (such as a hoist motor) to drive the upper curtain gate 1 and the lower curtain gate 2 to rise and fall synchronously along the gate slot guide rail to the set height; at the same time, it sends an opening command to the horizontal drive component (such as an electric push rod) to control the left curtain gate 3 and the right curtain gate 4 to move horizontally along the top and bottom guide rails to the target opening.

[0072] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A curtain-type tiered water intake gate, characterized in that, include: The gate unit includes at least one set of vertical regulating gates, wherein the vertical regulating gates have water intakes; The gate storage unit is provided with a vertical storage chamber corresponding to the vertical regulating gate; The drive unit is connected to the vertical regulating gate; The traction unit includes a vertical traction mechanism fixed to the gate piers on both sides of the water intake. The control unit is configured to control the drive unit based on downstream water intake demand. The vertical regulating gate achieves vertical stratified water intake by adjusting the depth of the water intake.

2. The curtain-type tiered water intake gate according to claim 1, characterized in that, The gate unit further includes at least one set of lateral regulating gates. The gate storage unit is provided with a lateral storage chamber corresponding to the lateral regulating gates. The drive unit is connected to the vertical regulating gates and the lateral regulating gates respectively. The traction unit includes a lateral traction mechanism. The lateral regulating gates achieve water intake flow control by adjusting the opening degree.

3. The curtain-type tiered water intake gate according to claim 2, characterized in that, The vertical regulating gate includes an upper roller shutter gate (1) and a lower roller shutter gate (2), and the interval between the upper roller shutter gate (1) and the lower roller shutter gate (2) on one side close to each other constitutes the water intake.

4. The curtain-type tiered water intake gate according to claim 3, characterized in that, The transverse regulating gate includes a left curtain gate (3) and a right curtain gate (4), which are symmetrically arranged on both sides of the water intake.

5. The curtain-type tiered water intake gate according to claim 4, characterized in that, The gate storage unit includes: The upper storage chamber (5) and the lower storage chamber (6) respectively accommodate the non-working sections of the upper roller shutter gate (1) and the lower roller shutter gate (2); The left storage chamber (7) and the right storage chamber (8) respectively accommodate the non-working sections of the left curtain gate (3) and the right curtain gate (4).

6. The curtain-type tiered water intake gate according to claim 5, characterized in that, The vertical storage chamber is embedded inside the gate pier, and the horizontal storage chamber is located in the groove on the side wall of the water intake.

7. The curtain-type tiered water intake gate according to claim 5, characterized in that, The driving unit includes: A vertical drive assembly drives the upper roller shutter (1) and the lower roller shutter (2) to move vertically. The lateral drive assembly drives the left curtain gate (3) and the right curtain gate (4) to move laterally.

8. The curtain-type tiered water intake gate according to claim 7, characterized in that, The vertical traction mechanism of the traction unit includes a gate slot set on the side wall of the gate pier, and a guide rail is provided on its inner side to constrain the movement path of the roller shutter gate.

9. The curtain-type tiered water intake gate according to claim 7, characterized in that, The lateral traction mechanism of the traction unit includes guide rails disposed on the top side of the water intake and the bottom sill.

10. The curtain-type tiered water intake gate according to any one of claims 1-9, characterized in that, The control unit is configured as follows: Receive water temperature monitoring data and downstream water intake requests; Generate vertical roller blind depth and horizontal opening instructions; The drive unit is linked to perform a stratified water intake operation.

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