Riverway double-side cut-off device
By adjusting the combination of the foldable interception component and the elastic telescopic water bladder, the problems of long construction cycle and poor versatility of existing river channel double-sided interception devices have been solved, and flexible interception area adjustment and reusability have been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-03-20
AI Technical Summary
Existing river channel double-sided interception devices mostly adopt the construction of retaining wall structures, which have long construction cycles, cannot be reused, and have poor versatility.
It adopts an adjustable-distance foldable interception component and an elastic telescopic water bladder. The interception area is adjusted by controlling the screw through a drive motor. Different sizes of foldable interception components can be replaced. Combined with an infrared ranging sensor, it achieves precise control.
It enables flexible adjustment of the interception area, adapts to different river channels, shortens the construction cycle, and has the advantage of being reusable.
Smart Images

Figure CN120990052B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of river closure, in particular to a river double-side closure device. BACKGROUND
[0002] The main function of the river double-side closure device is to effectively regulate water flow and achieve the following key goals:
[0003] 1. Flood control and disaster reduction: By setting the closure device on both banks of the river, the water flow can be adjusted during the flood season to limit excessive water flow, thereby reducing the flood water level and mitigating the potential disaster risk to downstream areas;
[0004] 2. Water resource scheduling: During dry seasons or periods of high water demand, the closure device can help store water to meet the needs of agricultural irrigation, industrial water, domestic water supply, and other aspects of water resources;
[0005] 3. Water quality improvement: In conjunction with water purification facilities, the closure device can be used to intercept floating objects and pollutants in the river, slow down the water flow, help sedimentation and natural water purification, and improve the quality of the ecological environment;
[0006] 4. Ecological protection and restoration: Reasonably set closure devices can create conditions for river ecological restoration, such as adjusting the water flow to provide a suitable environment for fish spawning and migration, and promoting biodiversity protection;
[0007] 5. Channel management: In complex river sections, the closure device helps control water levels, maintain channel depth, facilitate boat passage, and improve shipping safety and efficiency.
[0008] Existing river double-side closure devices mostly use the structure of building retaining walls on the river, which has the problems of long construction period, non-reusable, and poor universality. SUMMARY
[0009] To solve the above problems, the present application provides a river double-side closure device, which can adjust the closure area by adjusting the distance between the two folding closure assemblies, and can adapt to different rivers by replacing folding closure assemblies of different sizes, thereby widening the range of use and having the advantages of reusability, short construction period, etc.
[0010] To achieve the above object, the application provides a river double-side cut-off device, which comprises a movable support arranged above a river, an elastic telescopic water bag arranged inside the river and an adjustable cut-off mechanism arranged between the elastic telescopic water bag and the movable support.
[0011] Both of the two screw rods are connected with a driving motor fixed to the movable support.
[0012] Preferably, the two screw rods comprise a top screw rod and a bottom screw rod arranged on the movable support, and the two folding cut-off assemblies comprise a left folding cut-off assembly and a right folding cut-off assembly.
[0013] The left folding cut-off assembly is connected with the moving sleeve threadedly connected to the bottom screw rod, and the moving sleeve connected with the left folding cut-off assembly is connected with the guide sleeve slidingly arranged on the top screw rod.
[0014] The right folding cut-off assembly is connected with the guide sleeve slidingly arranged on the bottom screw rod, and the guide sleeve connected with the right folding cut-off assembly is connected with the moving sleeve threadedly connected to the top screw rod.
[0015] Preferably, the folding cut-off assembly comprises a plurality of middle steel plates arranged in a linear array and side elastic waterproof cloths attached to both sides of the middle steel plates, and two adjacent middle steel plates are rotationally connected.
[0016] The top end and the bottom end of the side elastic waterproof cloth extend out of the middle steel plate, the part of the side elastic waterproof cloth extending out of the middle steel plate is provided with a mounting hole, the mounting hole of the top end of the side elastic waterproof cloth is hookingly connected with the moving sleeve or the guide sleeve through a hook, and the mounting hole of the bottom end of the side elastic waterproof cloth is hookingly connected with the elastic telescopic water bag through a hook.
[0017] Preferably, double-layer filter screens are hookingly arranged on opposite sides of the side elastic waterproof cloths of the two folding cut-off assemblies.
[0018] Preferably, the elastic expansion water bag comprises an inner spring and an elastic bag body wrapped outside the inner spring, a water inlet is arranged at the bottom end of the elastic bag body, a water pump is arranged at the water inlet, a water outlet is arranged at the side of the elastic bag body, a water outlet valve is arranged at the water outlet, and an expansion allowance is left between the elastic bag bodies between two adjacent springs.
[0019] The positioning rods are pre-buried at positions inside the river channel and in contact with the outside of the elastic expansion water bag.
[0020] Preferably, the movable support comprises a left moving assembly and a right moving assembly, and two screw rods are rotationally arranged between the left moving assembly and the right moving assembly.
[0021] The left moving assembly and the right moving assembly each comprise a vertical column, a rotating disc and a rolling wheel arranged in sequence from top to bottom, the top end of the vertical column is rotationally connected with the screw rod, the bottom end of the vertical column is horizontally rotationally connected with the rotating disc, and the bottom end of the rotating disc is vertically rotationally connected with the rolling wheel.
[0022] Preferably, infrared distance measuring sensors are fixed at the opposite sides of the top ends of the two folding interception assemblies, and the infrared distance measuring sensors are electrically connected with the driving motors through the controller.
[0023] The present application has the following advantages:
[0024] The interception area can be adjusted by adjusting the distance between the two folding interception assemblies, different river channels can be adapted by replacing the folding interception assemblies of different sizes, the use range is widened, and the folding interception assemblies have the advantages of being reusable and having a short construction period.
[0025] The technical solutions of the present application will be further described in detail below with reference to the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a cross-sectional view of a river double-side interception device of the present application.
[0027] Figure 2 It is a structural schematic view of a folding interception assembly of a river double-side interception device of the present application.
[0028] 1, river channel; 2, elastic expansion water bag; 3, positioning rod; 4, rolling wheel; 5, rotating disc; 6, vertical column; 7, top-end screw rod; 8, guide sleeve; 9, moving sleeve; 10, bottom-end screw rod; 11, folding interception assembly; 111, middle steel plate; 112, side elastic waterproof cloth; 12, fixing ring. DETAILED DESCRIPTION
[0029] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application are further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present application and should not be used to limit the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. The examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout.
[0030] It should be noted that the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or server comprising a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0031] Similar reference signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0032] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0033] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "providing", "installing", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] As Figure 1 and Figure 2As shown, a river double-sided cutoff device includes a movable support arranged above a river 1, an elastic telescopic water bag 2 arranged inside the river 1, and an adjustable cutoff mechanism arranged between the elastic telescopic water bag 2 and the movable support. The adjustable cutoff mechanism includes two screw rods rotatably arranged on the movable support and two folding cutoff assemblies 11 symmetrically arranged on the screw rods. A guide sleeve 8 is horizontally slidably connected to one of the screw rods, and a moving sleeve 9 is threadedly connected to the other screw rod. The guide sleeve 8 is connected to the moving sleeve 9 through a guide rod. The guide sleeve 8 or the moving sleeve 9 is detachably connected to the top end of the folding cutoff assembly 11. The top ends of the two folding cutoff assemblies 11 are also hookingly connected to a fixed ring 12 rotatably arranged in a rotating ring groove arranged on the screw rod, for limiting the axial movement of the fixed ring 12 on the screw rod. In this embodiment, the position of the rotating ring groove arranged on the screw rod is not threaded. The bottom end of the folding cutoff assembly 11 is detachably connected to the elastic telescopic water bag 2. Both of the screw rods are connected to a driving motor fixed to the movable support.
[0035] The two screw rods include a top-end screw rod 7 and a bottom-end screw rod 10 rotatably arranged on the movable support. The two folding cutoff assemblies 11 include a left folding cutoff assembly 11 and a right folding cutoff assembly 11. The left folding cutoff assembly 11 is connected to the moving sleeve 9 threadedly connected to the bottom-end screw rod 10. The moving sleeve 9 connected to the left folding cutoff assembly 11 is connected to the guide sleeve 8 slidably arranged on the top-end screw rod 7. The right folding cutoff assembly 11 is connected to the guide sleeve 8 slidably arranged on the bottom-end screw rod 10. The guide sleeve 8 connected to the right folding cutoff assembly 11 is connected to the moving sleeve 9 threadedly connected to the top-end screw rod 7. That is, the installation positions of the guide sleeve 8 and the moving sleeve 9 on the two screw rods on the two sides are opposite, so that the moving sleeve 9 moves towards or away from each other by rotating the different screw rods, so as to change the cutoff area.
[0036] The folding cutoff assembly 11 includes a plurality of intermediate steel plates 111 arranged in a linear array and side elastic waterproof cloth 112 attached to both sides of the intermediate steel plate 111. Adjacent two intermediate steel plates 111 are rotatably connected. The top end and the bottom end of the side elastic waterproof cloth 112 extend out of the intermediate steel plate 111. The part of the side elastic waterproof cloth 112 extending out of the intermediate steel plate 111 is provided with a mounting hole. The mounting hole at the top end of the side elastic waterproof cloth 112 is hookingly connected to the moving sleeve 9 or the guide sleeve 8 through a hook. The mounting hole at the bottom end of the side elastic waterproof cloth 112 is hookingly connected to the elastic telescopic water bag 2 through a hook.
[0037] The hooking connection position in this embodiment is located on the side elastic waterproof cloth 112 corresponding to the middle position of the intermediate steel plate 111.
[0038] The opposite sides of the side elastic waterproof cloth 112 of the two folding cutoff assemblies 11 are hooked with double-layer filter screens.
[0039] The elastic telescopic water bag 2 comprises an inner spring and an elastic bag body wrapped outside the inner spring, the bottom end of the elastic bag body is provided with a water inlet, the water inlet is provided with a water pump, the side of the elastic bag body is provided with a water outlet, the water outlet is provided with a water outlet valve, and the elastic bag bodies between two adjacent coils of springs are left with a telescopic allowance, so that the water inflow in the elastic telescopic water bag 2 can be adjusted according to the cutoff area, the folding cutoff assembly 11 on the elastic telescopic water bag 2 is adapted to the folding cutoff assembly 11 installed on the moving sleeve 9 or the guide sleeve 8, and a positioning rod 3 is pre-buried in the river 1 inside and attached to the outside of the elastic telescopic water bag 2.
[0040] The movable support comprises a left moving assembly and a right moving assembly, and two screw rods are rotationally arranged between the left moving assembly and the right moving assembly; the left moving assembly and the right moving assembly are sequentially provided with a stand 6, a rotating disc 5 and a rolling wheel 4 from top to bottom, the top end of the stand 6 is rotationally connected with the screw rod, the bottom end of the stand 6 is horizontally rotationally connected with the rotating disc 5, and the bottom end of the rotating disc 5 is vertically rotationally connected with the rolling wheel 4, so as to facilitate the adjustment of the cutoff position and further improve the use flexibility.
[0041] The top ends of the two folding cutoff assemblies 11 are fixed with infrared distance sensors on opposite sides, the infrared distance sensors are electrically connected with the driving motor through the controller, and the above structure realizes that the distance between the two folding cutoff assemblies 11 is collected by the infrared distance sensor until it is equal to the set distance, the controller controls the driving motor to stop running, the cutoff area can be calculated according to the water surface height at this time, and the cutoff area is controllable.
[0042] It should be noted that the above electronic components are mature products on the market, and the embodiment only needs to connect them according to the instructions after purchasing, and they are not improved, so the circuit connection structure and principle will not be described here.
[0043] The construction process is as follows: first, select the folding cutoff assembly 11 that is adapted to the shape and area of the river 1, hook the top end of the folding cutoff assembly 11 to the moving sleeve 9 or the guide sleeve 8, hoist the movable support above the river 1, push the movable support to adjust the cutoff position until the specified position, turn on the driving motor, the driving motor drives the screw rod to rotate, and then drives the moving sleeve 9 to move horizontally, so as to adjust the distance between the two folding cutoff assemblies 11 until the set value, turn off the driving motor, hook the bottom end of the folding cutoff assembly 11 to the elastic telescopic water bag 2, and then turn on the water pump to pump river water into the elastic telescopic water bag 2 until the telescopic state of the elastic telescopic bag body is adapted to the stretched state of the folding cutoff assembly 11, so as to complete the construction.
[0044] Therefore, the river double-side cutoff device with the above structure can adjust the cutoff area by adjusting the distance between the two folding cutoff components, can adapt to different rivers by replacing the folding cutoff components with different sizes, widens the use range, and has the advantages of being reusable, short construction period, etc.
[0045] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit them, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: its still can be modified or equivalent to replace the technical solutions of the present application, and these modifications or equivalent replacements also cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.
Claims
1. A river channel double-sided interception device, characterized in that: The system includes a mobile support erected above the river channel, an elastic telescopic water bladder laid inside the river channel, and an adjustable interception mechanism set between the elastic telescopic water bladder and the mobile support. The adjustable interception mechanism includes two screws rotatably mounted on the mobile support and two folding interception components symmetrically mounted on the screws. A guide sleeve is horizontally slidably connected to one screw, and a movable sleeve is threadedly connected to the other screw. The guide sleeve is connected to the movable sleeve via a guide rod. The guide sleeve or the movable sleeve is detachably connected to the top of the folding interception component. The tops of the opposite sides of the two folding interception components are also hooked to a fixing ring. The fixing ring is rotatably mounted on a rotating ring groove opened on the screw. The bottom of the folding interception component is detachably connected to the elastic telescopic water bladder. Both screws are connected to a drive motor fixed on a movable bracket.
2. The river channel double-sided interception device according to claim 1, characterized in that: The two screws include a top screw and a bottom screw rotatably mounted on a movable bracket; the two folding flow-closing assemblies include a left folding flow-closing assembly and a right folding flow-closing assembly. The left-side folding interceptor assembly is connected to a movable sleeve threaded onto the bottom screw, and the movable sleeve connected to the left-side folding interceptor assembly is connected to a guide sleeve slidably mounted on the top screw. The right-side folding flow-stopping assembly is connected to a guide sleeve that is slidably mounted on the bottom screw. The guide sleeve connected to the right-side folding flow-stopping assembly is connected to a movable sleeve that is threaded onto the top screw.
3. A river channel double-sided interception device according to claim 1, characterized in that: The foldable interception assembly includes multiple intermediate steel plates arranged in a linear array and side elastic waterproof cloths attached to both sides of the intermediate steel plates, with adjacent intermediate steel plates being rotatably connected. The top and bottom of the side elastic waterproof cloth extend out of the middle steel plate. The part of the side elastic waterproof cloth that extends out of the middle steel plate has installation holes. The installation hole at the top of the side elastic waterproof cloth is connected to the movable sleeve or guide sleeve by a hook. The installation hole at the bottom of the side elastic waterproof cloth is connected to the elastic telescopic water bag by a hook.
4. A river channel double-sided interception device according to claim 3, characterized in that: The two folded interception components have double-layered filters hooked onto opposite sides of the elastic waterproof fabric on their sides.
5. A river channel double-sided interception device according to claim 1, characterized in that: The elastic telescopic water bladder includes an inner spring and an elastic bladder body wrapped around the outer side of the inner spring. The bottom end of the elastic bladder body is provided with a water inlet and a water pump is provided at the water inlet. The side of the elastic bladder body is provided with a drain outlet and a drain valve is provided at the drain outlet. There is a telescopic allowance between the elastic bladder bodies between two adjacent spring coils. A positioning rod is pre-embedded inside the river channel at a position that fits against the outside of the elastic telescopic water bladder.
6. A river channel double-sided interception device according to claim 1, characterized in that: The movable support includes a left movable component and a right movable component, with two screws rotatably arranged between the left and right movable components; Both the left and right moving components include a column, a turntable, and a roller arranged sequentially from top to bottom. The top of the column is rotatably connected to a screw, the bottom of the column is horizontally rotatably connected to the turntable, and the bottom of the turntable is vertically rotatably connected to the roller.
7. A river channel double-sided interception device according to claim 1, characterized in that: Infrared ranging sensors are fixed on opposite sides of the top of the two folded flow-blocking components. The infrared ranging sensors are electrically connected to the drive motor via the controller.
Citation Information
Patent Citations
Water bag formula river course cofferdam
CN206607597U
Ditch intercepting device used in water conservancy project
CN219653663U