A method for ensuring navigation of a V-shaped cross-section river

Abstract

The application discloses a V-shaped cross-section river navigation guarantee method, which comprises the following steps: using navigation marks to realize channel marking at safe navigation water depth positions on both sides of a river; detecting river water depth at the positions of the navigation marks; when the water depth of the navigation marks exceeds a preset value of the safe navigation water depth, controlling the navigation marks to move to the side bank direction; when the water depth at the positions of the navigation marks is lower than the preset value of the safe navigation water depth, controlling the navigation marks to move away from the side bank direction, so that the water depth at the positions of the navigation marks is still within the safe navigation water depth range; and through detecting the water depth at the positions of the navigation marks, the navigation marks are controlled to move horizontally along the left and right directions of the river cross-section. Thus, a wider safe channel range can be provided during the rising water period, and ships can select to sail in the areas with slower or faster water flow within the safe range, so that the sailing speed is improved under the premise of safety. Meanwhile, the safety of the channel can be well guaranteed during the dry period, and the risk of ship grounding is avoided.

Description

Technical Field

[0001] This invention relates to the field of river navigation safety maintenance technology, specifically to a method for ensuring navigation in a V-shaped cross-section river. Background Technology

[0002] Shipping is a mode of transportation that uses ships as the means of transport to carry goods along designated routes in waterways such as rivers, lakes, and reservoirs. Compared with land and air transport, shipping has many advantages, such as large capacity, low energy consumption, and low cost, making it irreplaceable in the transportation system. A waterway refers to a designated or established (including constructed) navigation channel for ships in waterways such as rivers, lakes, and seas. It is a safe area for ship navigation, and ensuring the safety of waterways is a prerequisite for the development of the shipping industry.

[0003] In existing engineering projects, the defined navigable channel area typically occupies only a portion of the water surface width, not the entire width. Where channel visibility is required, it is usually indicated by navigational markers on the river surface, defining the navigable area suitable for ship navigation. However, for rivers, especially those with V-shaped cross sections, the navigable area is constantly changing due to natural channel water levels and riverbed erosion and deposition. Current waterway planning projects do not fully consider the dynamic nature of navigable waters; they simply delineate fixed areas as navigable zones based on river hydrological conditions and certain safety standards. When the inflow increases, this approach often severely underestimates the navigable width of each cross section; conversely, when the inflow decreases sharply, this approach cannot guarantee that the originally designated navigable area still has sufficient navigable depth, thus posing significant navigational risks. Summary of the Invention

[0004] In view of the deficiencies in the existing technology, the purpose of this invention is to provide a V-shaped cross-section river navigation safety method that can better mark waterways and improve the safety of ship navigation.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A method for ensuring navigation in a V-shaped cross-section river includes the following steps:

[0007] Navigation marks are used to indicate waterways at safe navigable depths on both sides of the river.

[0008] Measure the river depth at the location of the navigation mark;

[0009] When the water depth at the location of the navigation mark exceeds the preset value of the safe navigation depth, control the navigation mark to move towards the shore; when the water depth at the location of the navigation mark is lower than the preset value of the safe navigation depth, control the navigation mark to move away from the shore, so that the water depth at the location of the navigation mark is still within the safe navigation depth range.

[0010] Optionally, the preset value of the safe navigation depth can be set to the minimum safe navigation depth plus one meter.

[0011] Optionally, multiple navigation marks are provided, spaced apart in the direction of river flow, and connected to each other by soft ropes.

[0012] Optionally, the navigation mark is set up using a floating self-adjusting navigation mark device, which includes the navigation mark floating on the water surface, a water depth detection device installed on the navigation mark, and the navigation mark and the bottom of the riverbed or the bank on the side where the navigation mark is located are connected by a floating automatic telescopic adjustment system. The water depth detection device and the control power device of the floating automatic telescopic adjustment system are communicatively connected.

[0013] Optionally, the water depth detection device includes an ultrasonic distance sensor, which is connected to a signal transmitting module. The signal transmitting module is connected to a control center, and the control center is connected to the control power unit of the floating automatic telescopic adjustment system.

[0014] Optionally, a sensor mounting plate is horizontally fixed on one side of the navigation mark at the water surface position, and the ultrasonic distance sensor is mounted downwards and fixed below the sensor mounting plate.

[0015] Optionally, the surface of the navigation mark is provided with a marking layer, which is made of colored material or reflective material; the navigation mark is spherical in shape.

[0016] Optionally, the floating automatic telescopic adjustment system includes a vertically fixed vertical sliding rod below the navigation mark, a vertical sliding sleeve that can be slidably fitted on the outside of the vertical sliding rod, a horizontal sliding rod that is horizontally fixed to the first sliding sleeve facing the bank, a horizontal sliding sleeve that can be slidably fitted on the outside of the horizontal sliding rod, the lower end of the horizontal sliding sleeve being fixedly installed on the riverbed by a downward fixing rod, and a rack being provided on one side of the tail of the horizontal sliding rod, on which a drive gear is meshed, the drive gear being connected to a submersible motor that is relatively fixed to the riverbed, and the submersible motor being communicatively connected to a control center and a water depth detection device.

[0017] Optionally, the vertical sliding sleeve is installed below the historical lowest water level of the river, and the vertical sliding rod is a telescopic sleeve structure; the submersible motor is mounted on a motor mounting platform fixed to the riverbed; multiple horizontal sliding sleeves and corresponding fixing rods are provided. During the dry season, the lower end of the vertical sliding rod can automatically retract upward after touching the bottom, without hindering its horizontal movement, thus ensuring stable operation of the device under any water level conditions.

[0018] Optionally, the navigation mark is set up using a suspended self-adjusting navigation mark device. The suspended self-adjusting navigation mark device includes a navigation mark suspended above the water surface, a water depth detection device installed on the navigation mark, and the navigation mark and the bottom of the riverbed or the bank on one side of the navigation mark are connected by a suspended navigation mark automatic telescopic adjustment device. The water depth detection device and the control power device of the suspended navigation mark automatic telescopic adjustment device are communicatively connected.

[0019] The suspended navigation beacon automatic telescopic adjustment device includes a horizontal sliding rod suspended above the water surface and a retaining frame. One end of the horizontal sliding rod is fixed relative to the navigation beacon, and the other end is positioned facing the bank. A horizontal limiting sleeve is fixedly installed at the upper end of the retaining frame, and the horizontal sliding rod is slidably installed on the horizontal limiting sleeve. A control mechanism for controlling the horizontal sliding rod to slide horizontally is also installed at the upper end of the retaining frame. The control power device of the sliding control mechanism is communicatively connected to the water depth detection device. The lower end of the retaining frame is fixed above a floating body floating on the water surface. A vertical sliding sleeve is also fixedly installed on the retaining frame, and the vertical sliding sleeve is slidably fitted onto the vertical sliding rod. The lower end of the vertical sliding rod is fixed to the riverbed.

[0020] The sliding control mechanism includes a rack located on the horizontal slide bar, a drive gear meshing on the rack, the drive gear being connected to a control motor relatively fixed to the cage, and the control motor being communicatively connected to the water depth detection device through a control center;

[0021] The retainer is an elongated strip arranged parallel to the horizontal slide bar below. Two horizontal limiting sleeves are fixedly installed on the retainer, and the rack is located between the two horizontal limiting sleeves.

[0022] The lower middle part of the retainer is fixedly connected to the float via a vertical insert rod. The float is floatably set inside a still water cylinder. The lower end of the still water cylinder is fixed to the riverbed and the side wall or bottom surface is provided with a water inlet hole that communicates with the river water.

[0023] A horizontal connecting rod is fixedly installed on the upper side of one side of the still water tank. A vertical limiting sleeve is fixedly installed at one end of the horizontal connecting rod, and the vertical limiting sleeve is slidably fitted onto the insert rod.

[0024] Optionally, a vertical sliding sleeve is installed at one end of the retainer near the edge; rollers are installed on the inner wall of the vertical sliding sleeve.

[0025] Optionally, the water depth detection device includes an ultrasonic distance sensor, which is connected to a signal transmitting module. The signal transmitting module is connected to a control center, and the control center is connected to the control power unit of the floating automatic telescopic adjustment system.

[0026] Optionally, the bottom of the buoy is provided with a horizontal mounting surface, and the ultrasonic distance sensor is mounted downwards and fixed on the mounting surface.

[0027] Optionally, the surface of the navigation mark is provided with a marking layer, which is made of colored material or reflective material; the navigation mark is spherical in shape.

[0028] Optionally, rollers are installed on the inner wall of the vertical limiting sleeve. This creates a rolling fit between the vertical limiting sleeve and the insertion rod, making their movement smoother and more stable.

[0029] The advantages of this invention are as follows: The method of this application detects the river water depth at the location of the navigation mark and controls its horizontal movement along the river's cross-section. This provides a wider safe navigation channel during high water periods, allowing vessels to choose more areas with slower (upstream) or faster (downstream) currents within a safe range, thus increasing navigation speed while ensuring safety. Simultaneously, during low water periods, it also effectively ensures navigation safety and avoids the risk of vessels running aground. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0031] Figure 1 This is a plan view of the floating self-adjusting navigation beacon device used in Embodiment 1 of the present invention.

[0032] Figure 2 for Figure 1 A frontal view of a floating self-adjusting navigation beacon device.

[0033] Figure 3 This is a plan view of the suspended self-adjusting navigation beacon device used in Embodiment 2 of the present invention.

[0034] Figure 4 for Figure 3 A schematic diagram of the frontal view of a mid-suspension self-adjusting navigation beacon device. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0036] Example 1

[0037] Combination Figure 1 and Figure 2 As shown in this embodiment, a method for ensuring navigation in a V-shaped cross-section river includes the following steps: using navigation marks to indicate the safe navigation depth on both sides of the river; detecting the river water depth at the location of the navigation mark; when the water depth at the location of the navigation mark exceeds a preset value for safe navigation depth, controlling the navigation mark to move towards the bank; when the water depth at the location of the navigation mark is lower than the preset value for safe navigation depth, controlling the navigation mark to move away from the bank, so that the water depth at the location of the navigation mark is still within the safe navigation depth range. The preset value for safe navigation depth can be set to the minimum safe navigation depth plus one meter. Multiple navigation marks are set, spaced apart in the direction of river flow, and connected by soft ropes. This method detects the river water depth at the location of the navigation mark and controls the horizontal movement of the navigation mark along the left and right directions of the river cross-section. This provides a wider safe navigation channel range during high water, allowing ships to choose to navigate in areas with slower (upstream) or faster (downstream) currents within a safe range, increasing navigation speed while ensuring safety. At the same time, it can also ensure the safety of the waterway during the dry season and avoid the risk of ships running aground.

[0038] Specifically, in this embodiment, the navigation mark is set on both sides of the first vessel 13 by a floating self-adjusting navigation mark device. The floating self-adjusting navigation mark device includes a navigation mark 1 floating on the water surface. A water depth detection device is installed on the navigation mark 1. The navigation mark 1 and the bottom of the riverbed or the bank on the side where the navigation mark is located are connected by a floating automatic telescopic adjustment system. The water depth detection device and the control power device of the floating automatic telescopic adjustment system are communicatively connected.

[0039] In this way, the water depth at the location of the navigation buoy is detected by a water depth detection device, and the water depth signal is then fed back to the control power unit for control. When the water depth at the location of the navigation buoy exceeds the preset value for safe navigation, the buoy is controlled to move and retract towards the bank; when the water depth at the location of the navigation buoy is below the preset value for safe navigation, the buoy is controlled to extend away from the bank, so that the water depth at the location of the navigation buoy remains within the safe navigation range. This achieves automatic adjustment of the navigation buoy according to the water depth, providing the maximum navigable area within the safe range, thereby improving the convenience and safety of ship navigation. At the same time, in this device, the navigation buoy floats on the water surface by its own buoyancy, which greatly simplifies the setting requirements of the extension and retraction adjustment system, making it easier to set up and reducing costs.

[0040] Multiple navigation markers 1 are placed at intervals along the direction of river flow, and the markers 1 are connected by flexible ropes 2. This helps to better mark the waterway area and improve navigation safety.

[0041] The water depth detection device includes an ultrasonic distance sensor 3, which is connected to a signal transmitting module (not shown in the figure). The signal transmitting module is connected to a control center (not shown in the figure), and the control center is connected to the control power unit of the floating automatic telescopic adjustment system.

[0042] Therefore, using an ultrasonic distance sensor is a good way to detect water depth at a low cost and is easy to implement. Alternatively, a laser detection sensor can also be used.

[0043] A sensor mounting plate 4 is horizontally fixed on one side of the navigation mark 1 at the water surface position, and the ultrasonic distance sensor 3 is installed downward and fixed below the sensor mounting plate 4.

[0044] This makes it easier to directly measure water depth.

[0045] The surface of the navigation mark 1 is provided with a marking layer, which is made of colored material or reflective material.

[0046] This allows for better navigation channel marking.

[0047] Among them, beacon 1 is spherical in shape. This makes it less likely to get entangled with floating objects and allows for easy observation from any angle.

[0048] The floating automatic telescopic adjustment system includes a vertical sliding rod 5 fixedly installed below the navigation mark. A vertical sliding sleeve 6 is slidably fitted around the vertical sliding rod 5. A horizontal sliding rod 7 is horizontally fixedly connected to the first sliding sleeve in the direction facing the bank. A horizontal sliding sleeve 8 is slidably fitted around the horizontal sliding rod 7. The lower end of the horizontal sliding sleeve 8 is fixedly installed on the riverbed by a downward fixing rod 9. A rack 10 is also provided on one side of the tail of the horizontal sliding rod 7. A drive gear 11 is meshed on the rack 10. The drive gear 11 is connected to a submersible motor 12 that is relatively fixed to the riverbed. The submersible motor 12 is communicatively connected to the control center and the water depth detection device.

[0049] In this way, when the depth detection device detects a change in water depth and requires control of the buoy's movement, the control center issues a command to rotate the submersible motor forward or backward, controlling the horizontal sliding rod to extend or retract horizontally. This, in turn, through the vertical sliding sleeve, moves the buoy to extend or retract. Because the vertical sliding rod and the vertical sliding sleeve are in a sliding fit, the buoy can remain afloat during its extension, retraction, and translation. Thus, while keeping the buoy afloat, its horizontal position can be controlled and adjusted. Therefore, it has the advantages of simple structure, convenient implementation, and easy control. In specific implementation, the length of the horizontal sliding rod is less than the safe navigation depth, which better avoids contact with the bottom and affecting operation.

[0050] The vertical sliding sleeve 6 is installed at a position lower than the historical lowest water level of the river, and the vertical sliding rod is a telescopic sleeve structure.

[0051] In this way, during the dry season, the lower end of the vertical sliding rod can automatically retract upwards after touching the bottom, without hindering its horizontal movement, thus ensuring that the device can work stably under any water level.

[0052] The submersible motor 12 is mounted on a motor mounting platform fixed to the riverbed. This facilitates the installation and fixation of the submersible motor.

[0053] Multiple horizontal sliding sleeves 8 and corresponding fixed rods 9 are provided. This ensures better balance and stability. The arrows in the diagram indicate the direction of water flow.

[0054] Example 2

[0055] As another embodiment of the present invention, combined with Figure 3 and Figure 4 As shown, unlike Embodiment 1, the navigation marks in this embodiment are installed on both sides of the second vessel 38 using a suspended self-adjusting navigation mark device. (See attached image for the suspended self-adjusting navigation mark device.) Figures 3-4 The system includes a navigation beacon 21 suspended above the water surface, on which a water depth detection device is installed. The navigation beacon 21 and the bottom of the riverbed or the bank on the side where the navigation beacon is located are connected by a suspended navigation beacon automatic telescopic adjustment device. The water depth detection device and the control power device of the suspended navigation beacon automatic telescopic adjustment device are communicatively connected.

[0056] In this way, the water depth at the location of the navigation buoy is detected by a water depth detection device, and the water depth signal is then fed back to the control power unit for control. When the water depth at the location of the navigation buoy exceeds the preset value of the safe navigation depth, the buoy is controlled to move and retract towards the shore; when the water depth at the location of the navigation buoy is below the preset value of the safe navigation depth, the buoy is controlled to extend away from the shore, so that the water depth at the location of the navigation buoy remains within the safe navigation depth range. This achieves automatic adjustment of the navigation buoy according to the water depth, providing the maximum navigable area within the safe range, thereby improving the convenience and safety of ship navigation. At the same time, in this device, the navigation buoy is suspended on the water surface, which can effectively avoid the impact of waves and floating objects in the water flow, and avoid entanglement with flexible floating objects such as aquatic plants in the water flow, greatly improving the stability of the navigation buoy movement control.

[0057] The water depth detection device includes an ultrasonic distance sensor 22, which is connected to a signal transmitting module (not shown in the figure). The signal transmitting module is connected to a control center (not shown in the figure), and the control center is connected to the control power unit of the floating automatic telescopic adjustment system.

[0058] Therefore, by using an ultrasonic distance sensor, the distance between the water surface and the bottom can be calculated based on the time difference between the two reflections of ultrasonic waves at the water surface and the bottom. This method can effectively detect water depth at a low cost and is easy to implement. Alternatively, a laser detection sensor can also be used in this implementation.

[0059] The bottom of the navigation mark 21 is provided with a horizontal mounting surface, and the ultrasonic distance sensor 22 is mounted downwards and fixed on the mounting surface.

[0060] This makes it easier to directly detect water depth and also helps protect the sensor.

[0061] The surface of the navigation mark 21 is provided with a marking layer, which is made of colored material or reflective material.

[0062] This allows for better navigation channel marking.

[0063] Among them, navigation beacon 21 is spherical in shape. This makes it less likely to get entangled in floating objects and easy to observe from any angle.

[0064] The navigation marks 21 are arranged in multiple intervals along the direction of river flow, and are connected by flexible ropes 23. This allows for better marking of the waterway and improves navigation safety.

[0065] The suspended navigation beacon automatic telescopic adjustment device includes a horizontal sliding rod 24 suspended above the water surface. One end of the horizontal sliding rod 24 is fixed relative to the navigation beacon 21, and the other end is set facing the bank. It also includes a retainer 25. A horizontal limiting sleeve 26 is fixedly installed on the upper end of the retainer 25. The horizontal sliding rod 24 is slidably installed on the horizontal limiting sleeve 26. A control mechanism for controlling the horizontal sliding rod to slide horizontally is also installed on the upper end of the retainer 25. The control power device of the sliding control mechanism is communicatively connected to the water depth detection device. The lower end of the retainer 25 is fixed above a floating body 27 floating on the water surface. A vertical sliding sleeve 28 is also fixedly installed on the retainer 25. The vertical sliding sleeve 28 is slidably fitted onto a vertical sliding rod 29. The lower end of the vertical sliding rod 29 is fixed to the riverbed.

[0066] In this way, relying on the buoyancy provided by the floating body as a support base, the buoy is suspended and supported by the retainer and horizontal slide bar. The sliding control mechanism controls the sliding of the horizontal slide bar, thereby adjusting and controlling the buoy to maintain it at a suitable water depth. Furthermore, the cooperation of the vertical sliding sleeve and vertical slide bar ensures the orientation of the buoy and the stability of the entire device. This ensures that the buoy remains suspended above the water surface throughout its controlled translation, and the suspension height does not change with water level. This avoids the impact and entanglement of the buoy by water currents and floating objects, thus offering advantages such as simple structure, convenient implementation, and stable and reliable control.

[0067] The vertical sliding sleeve 28 is installed at the end of the retainer 25 near the edge. This makes it easier for the device to maintain overall stability.

[0068] Rollers are installed on the inner wall of the vertical sliding sleeve 28. This creates a rolling fit between the vertical sliding sleeve and the vertical sliding rod, making their movement smoother and more stable.

[0069] The sliding control mechanism includes a rack 30 located on a horizontal slide bar 24, on which a drive gear 31 is meshed. The drive gear 31 is connected to a control motor 32 that is relatively fixed to the cage. The control motor 32 is communicatively connected to the water depth detection device through a control center (not shown in the figure).

[0070] In this way, when the water depth detection device detects a change in water depth and needs to control the movement of the navigation beacon, the control center issues a command to control the motor to rotate forward or backward, and to control the horizontal slide bar to extend or retract in the horizontal direction, thereby moving the navigation beacon to extend or retract. This has the advantages of simple structure and stable and reliable control.

[0071] The retainer 25 is an elongated strip arranged parallel to the horizontal slide bar below. Two horizontal limiting sleeves 26 are fixedly mounted on the retainer 25, and the rack 30 is located between the two horizontal limiting sleeves 26. This design improves the overall structural stability.

[0072] The retainer 25 is fixedly connected to the float 27 via a vertical insert 33 at the lower middle part. The float is floatably set inside a still water cylinder 34. The lower end of the still water cylinder 34 is fixed to the riverbed and has water inlet holes on its side wall or bottom surface that communicate with the river water.

[0073] In this way, the floating body is installed inside the still water cylinder and rises and falls with the water level, so the stability of the device will not be affected by wave impact or entanglement with aquatic plants.

[0074] Among them, a horizontal connecting rod 36 is fixedly installed on the upper side of one side of the still water cylinder 34. A vertical limiting sleeve 37 is fixedly installed at one end of the horizontal connecting rod, and the vertical limiting sleeve 37 is slidably fitted on the insert rod 33.

[0075] This ensures that the navigation beacon will not sway in the direction of the water flow, thus better guaranteeing the stability of the device's operation.

[0076] The vertical limiting sleeve 37 has rollers installed on its inner wall. This creates a rolling fit between the vertical limiting sleeve and the insert rod, making their movement smoother and more stable. The arrows in the diagram indicate the direction of water flow.

[0077] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0078] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A method for ensuring navigation in a V-shaped cross-section river, characterized in that, Includes the following steps: Navigation marks are used to indicate waterways at safe navigable depths on both sides of the river. Measure the river depth at the location of the navigation mark; When the water depth at the location of the navigation mark exceeds the preset value of the safe navigation depth, control the navigation mark to move towards the shore; when the water depth at the location of the navigation mark is lower than the preset value of the safe navigation depth, control the navigation mark to move away from the shore, so that the water depth at the location of the navigation mark is still within the safe navigation depth range. The navigation mark is controlled by a floating self-adjusting navigation mark device, which includes the navigation mark floating on the water surface. The navigation mark is equipped with a water depth detection device. The navigation mark is connected to the bottom of the riverbed or the bank on the side where the navigation mark is located through a floating automatic telescopic adjustment system. The water depth detection device and the control power device of the floating automatic telescopic adjustment system are communicatively connected. Alternatively, the navigation mark may be set up using a suspended self-adjusting navigation mark device, which includes a navigation mark suspended above the water surface, a water depth detection device on the navigation mark, and the navigation mark and the bottom of the riverbed or the bank on one side of the navigation mark are connected by a suspended navigation mark automatic telescopic adjustment device. The water depth detection device and the control power device of the suspended navigation mark automatic telescopic adjustment device are communicatively connected.

2. The method for ensuring navigation in a V-shaped cross-section river as described in claim 1, characterized in that, The preset value for the safe navigation depth is set to the minimum safe navigation depth plus one meter.

3. The method for ensuring navigation in a V-shaped cross-section river as described in claim 1, characterized in that, Multiple navigation marks are set up, spaced apart in the direction of river flow, and connected to each other by soft ropes.

4. The method for ensuring navigation in a V-shaped cross-section river as described in claim 1, characterized in that, The water depth detection device includes an ultrasonic distance sensor, which is connected to a signal transmitting module. The signal transmitting module is connected to a control center, and the control center is connected to the control power unit of the floating automatic telescopic adjustment system.

5. The method for ensuring navigation in a V-shaped cross-section river as described in claim 4, characterized in that, A sensor mounting plate is horizontally fixed on one side of the navigation mark at the water surface position, and the ultrasonic distance sensor is installed downward and fixed below the sensor mounting plate.

6. The method for ensuring navigation in a V-shaped cross-section river as described in claim 1, characterized in that, The surface of the navigation mark is provided with a marking layer, which is made of colored material or reflective material; the navigation mark is spherical in shape.

7. The method for ensuring navigation in a V-shaped cross-section river as described in claim 1, characterized in that, The floating automatic telescopic adjustment system includes a vertically fixed vertical sliding rod below the navigation mark, a vertical sliding sleeve that slides vertically around the vertical sliding rod, a horizontal sliding rod that is horizontally fixed to the first sliding sleeve facing the bank, a horizontal sliding sleeve that slides horizontally around the horizontal sliding rod, the lower end of the horizontal sliding sleeve that is fixed to the riverbed by a downward fixing rod, a rack that is also provided on one side of the tail of the horizontal sliding rod, a drive gear that meshes on the rack, the drive gear that is connected to a submersible motor fixed to the riverbed, and the submersible motor that is connected to a control center and a water depth detection device.

8. The method for ensuring navigation in a V-shaped cross-section river as described in claim 7, characterized in that, The vertical sliding sleeve is installed below the historical lowest water level of the river, and the vertical sliding rod is a telescopic sleeve structure; the submersible motor is installed on a motor mounting platform fixed to the riverbed; multiple horizontal sliding sleeves and corresponding fixing rods are provided.

9. The method for ensuring navigation in a V-shaped cross-section river as described in claim 3. Its characteristics are: The suspended navigation beacon automatic telescopic adjustment device includes a horizontal sliding rod suspended above the water surface and a retaining frame. One end of the horizontal sliding rod is fixed to the navigation beacon, and the other end is positioned facing the bank. A horizontal limiting sleeve is fixedly installed at the upper end of the retaining frame, and the horizontal sliding rod is slidably installed on the horizontal limiting sleeve. A control mechanism for controlling the horizontal sliding rod to slide horizontally is also installed at the upper end of the retaining frame. The control power device of the sliding control mechanism is communicatively connected to the water depth detection device. The lower end of the retaining frame is fixed above a floating body floating on the water surface. A vertical sliding sleeve is also fixedly installed on the retaining frame, and the vertical sliding sleeve slidably engages with the vertical sliding rod. The lower end of the vertical sliding rod is fixed to the riverbed. The sliding control mechanism includes a rack located on the horizontal slide bar, a drive gear meshing on the rack, the drive gear being connected to a control motor fixed to the cage, and the control motor being communicatively connected to the water depth detection device through a control center. The retainer is an elongated strip arranged parallel to the horizontal slide bar below. Two horizontal limiting sleeves are fixedly installed on the retainer, and the rack is located between the two horizontal limiting sleeves. The cage is fixedly connected to the floating body at the lower middle part by a vertical rod. The floating body is floatingly set inside a still water cylinder. The lower end of the still water cylinder is fixed to the riverbed and the side wall or bottom surface is provided with water inlet holes that communicate with the river water. A horizontal connecting rod is also fixedly installed on the upper side of one side of the still water tank. A vertical limiting sleeve is fixedly installed at one end of the horizontal connecting rod, and the vertical limiting sleeve is slidably fitted on the insert rod.

Images