A walk-by ADCP bridge measuring traction device with obstacle avoidance function

Abstract

The present application relates to a kind of walkable ADCP bridge measuring traction device with obstacle avoidance function, solve the existing walkable ADCP bridge measurement in the bridge with street lamp pole or railing operation traction rope needs to pass each column, bring great inconvenience, there is also security risk on operation problem.The device mainly includes base, vertical support, swing arm, swing arm to river side includes movement ring, fixed ring, movement ring outer wall is equipped with traction seat, inner ring is nested in the inside of movement ring and fixed ring, by the positive and negative rotation of inner ring to drive movement ring to rotate to different positions, can make horizontal swing arm pick-out end switch between left or right opening state, to make pole type obstacle pass through ring inside, realize the function of avoiding street lamp pole or railing and other obstacles.The present application is adjustable, angle adjustable, adopt trolley type structure, especially suitable for in the bridge with street lamp pole or railing and other obstacles walkable ADCP is drawn to carry out flow measurement operation.

Description

Technical Field

[0001] This invention belongs to the field of hydrological monitoring equipment, and relates to a mobile flow monitoring device, particularly a mobile ADCP bridge-mounted traction device with obstacle avoidance function. Background Technology

[0002] Water flow is one of the important hydrological characteristics of floods, and measured flow data during flood season is an important hydrological basis for scientifically preventing flood disaster risks. Currently, using a mobile ADCP (Advanced Difference-of-Channel Flow Measurement) has become one of the most mainstream methods for flow measurement during flood season. This method requires maneuvering the mobile ADCP from one bank of the river to the other, with crossing methods including remote control or towing. Remote control is only suitable for normal water conditions and not for high water velocity during flood season; during flood season, it is necessary to use hydrological cableways, drive a survey vessel, or rely on river-crossing structures to tow it across the river. In most river sections without hydrological cableways or survey vessels, relying on river-crossing structures is the only feasible crossing method, commonly known as "bridge measurement".

[0003] Currently, bridge surveying primarily relies on manual towing. This method has two main drawbacks: First, during flood season, the water flow velocity is high, and the mobile ADCP (Advanced Diffusion Pulse Control Device) withstands significant water flow impact, often requiring 3 to 4 people to hold it, consuming considerable manpower and energy. Second, on bridges with streetlights or railings, the towing rope needs to be routed around each pillar, causing great inconvenience and posing safety risks. These two drawbacks often lead to slow progress and increased risks in flood season flow measurement operations, resulting in missed measurement opportunities, missed peak flow data, and impacting flood control command decisions.

[0004] In the prior art, Chinese Patent Publication No. CN218378624U discloses a portable ADCP auxiliary device for hydrological bridge surveying, used for transporting and pulling ADCPs for operation. While it can save manpower to some extent, it cannot avoid obstacles such as lampposts or railings. Comprehensive analysis suggests that the prior art still lacks a mobile ADCP bridge surveying traction device that can both free up hands and save manpower while avoiding obstacles such as lampposts or railings. Summary of the Invention

[0005] The purpose of this invention is to solve the problems of existing mobile ADCP bridge surveying, which mainly relies on manual towing, consuming a lot of manpower and physical strength, and the fact that the traction rope needs to go around every pillar when working on bridges with street light poles or railings, which brings great inconvenience and safety risks. The invention provides a mobile ADCP bridge surveying traction device with obstacle avoidance function, which can not only free up hands and save manpower, but also avoid obstacles such as street light poles or railings, thus improving the convenience, timeliness and safety of mobile ADCP bridge surveying.

[0006] The technical solution adopted by this invention to solve its technical problem is: a mobile ADCP bridge-to-shore traction device with obstacle avoidance function, comprising a mobile base, a vertical support on the base, a swing arm on the top of the vertical support, one end of the swing arm extending towards the river side, a fixed ring and a moving ring on the extended end of the swing arm, a traction seat for suspending the mobile ADCP traction rope in the middle of the outer side wall of the moving ring, both the fixed ring and the moving ring being arc-shaped, the sum of the arcs of the fixed ring and the moving ring being less than 360 degrees, and the fixed ring and the moving ring along... The fixed ring and the moving ring are hollow tubular with the same diameter, arranged on the same circumference. A C-shaped inner ring is embedded inside the fixed ring and the moving ring. The curvature of the inner ring is the sum of the curvatures of the fixed ring and the moving ring. Protruding limiters A and B are respectively provided at the two ends of the inner ring. The inner wall of the fixed ring is provided with a slide for the sliding of limiters A and limiters B. The outer wall of the inner ring is provided with an arc-shaped rack. The end of the swing arm near the fixed ring is provided with a gear that meshes with the rack. The swing arm is also provided with a motor or hand crank to drive the gear.

[0007] The moving ring and fixed ring have hollow interiors. An inner ring is nested within the moving and fixed rings. A rack is mounted on the outer side of the inner ring, and a gear is located inside the fixed ring. The gear and rack are paired, and the gear is connected to the motor via a toothed belt or by hand crank. The length of the inner ring is equal to the sum of the lengths of the moving ring and the fixed ring. Protruding limiters A and B are mounted at both ends of the inner ring. The inner wall of the fixed ring has concave tracks, allowing limiters A and B to move along these tracks within the fixed ring, but not within the moving ring. The motor is located inside the swing arm.

[0008] Taking electric motor drive as an example, the control panel controls the electric motor to be in forward, reverse, or stopped state. When the electric motor is rotating forward, the electric motor drives the toothed belt to drive the gear to rotate forward. The gear and rack move relative to each other, driving the inner ring to rotate clockwise. Limiters A and B on the inner ring rotate clockwise synchronously. Limiters A and B can pass through the inside of the fixed ring through the slide rail. When limiter A rotates clockwise to contact the left end of the moving ring, it pushes the moving ring to rotate clockwise and fit against the right side of the fixed ring. At this time, the swing arm is in the left-open state, and the rod-type obstacle can enter the inside of the ring from the opening. When the motor reverses, the motor drives the toothed belt to drive the gear to reverse, and the gear and rack move relative to each other, driving the inner ring to rotate counterclockwise. Limiters A and B on the inner ring rotate counterclockwise synchronously. Limiters A and B can pass through the inside of the fixed ring through the slide. When limiter B rotates counterclockwise to contact the right end of the moving ring, it pushes the moving ring to rotate counterclockwise and fit against the fixed ring on the left side. At this time, the swing arm is in the right-opening state, and the pole-type obstacle can leave the inside of the ring from the opening, thus realizing the function of avoiding obstacles such as street lamp poles or railings.

[0009] Preferably, two gears are provided, both of which mesh with the rack, and the distance between the two gears is not less than the width of the inner ring opening. This ensures that the distance between limiter A and limiter B is less than the distance between the two gears in the horizontal direction inside the fixed ring, preventing the rack and gears from completely disengaging.

[0010] Preferably, the output end of the motor or hand crank is connected to the drive gear using a worm gear structure, and the drive gear is driven by a toothed belt. The high transmission ratio of the worm gear can reduce the power requirement at the input end.

[0011] Preferably, the fixed ring has an arc of 120-150°, the midpoint of the outer wall of the fixed ring is fixed to the swing arm, and the moving ring has an arc of 150-180°.

[0012] Preferably, the fixed ring has an arc of 150°, the moving ring has an arc of 180°, the inner ring has an arc of 330°, and the opening side arc of the inner ring has an arc of 30°.

[0013] Preferably, the swing arm is hinged to the top of the vertical support, with one end of the swing arm being a cantilevered end and the other end having an operating handle. The operating handle can be equipped with a control panel for the motor and can also be used to adjust the pitch angle of the swing arm.

[0014] Preferably, an angle adjuster is provided at the hinge joint between the swing arm and the vertical support. The angle adjuster is an arc-shaped rod with several first positioning holes evenly spaced on it. A second positioning hole is correspondingly provided on the vertical support, and the second positioning hole is aligned with one of the first positioning holes and a positioning pin is inserted therein. The angle adjuster can adjust the pitch angle of the swing arm.

[0015] Preferably, the vertical support has a multi-segment structure, with the uppermost and second-uppermost segments nested together in a horizontally rotatable manner, and a locking screw provided at the connection point. The connection point between the uppermost and second-uppermost segments can be rotated and adjusted to change the orientation of the swing arm.

[0016] Preferably, the base is also equipped with a storage battery, and a trolley handle is provided on one side of the base. The motor power cable is connected to the two terminals of the storage battery on the base through the swing arm and the interior of the vertical bracket. The operator can push the base to move by using the trolley handle.

[0017] Preferably, the moving ring has slots at both ends for engaging limiters A and B. Limiters A and B can be retracted into the slots to push the moving ring, preventing them from being exposed.

[0018] This invention controls the reciprocating rotation of the moving ring on the horizontal swing arm relative to the fixed ring, allowing the horizontal swing arm to be in two different states: open to the left and open to the right. When opening to one side, rod-shaped obstacles can enter the ring through the opening; when opening to the other side, rod-shaped obstacles can leave the ring through the opening, thus achieving the function of avoiding obstacles such as streetlight poles or railings. This invention is height-adjustable and angle-adjustable, and adopts a trolley-type structure, making it suitable for use on most bridges, especially on bridges with obstacles such as streetlight poles or railings, to tow a mobile ADCP for flow measurement operations. It has the advantages of convenience, efficiency, and safety. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the swing arm extension end of the present invention being in a left-opening state.

[0022] Figure 3 This is a schematic diagram of the swing arm extension end of the present invention being in a right-opening state.

[0023] Figure 4 This is a schematic diagram of the uppermost support of the present invention.

[0024] Figure 5 This is a schematic diagram of the upper section support of the present invention.

[0025] Figure 6 This is a schematic diagram of the lower support section of the present invention.

[0026] In the diagram: 1. Base, 2. Vertical support, 3. Swing arm, 4. Motion ring, 5. Fixed ring, 6. Cart handle, 7. Operating handle, 8. Angle adjuster, 9. Control panel, 10. Traction seat, 11. Uppermost support, 12. Second uppermost support, 13. Lower support, 14. Locking screw, 15. Battery, 16. Inner ring, 17. Rack, 18. Limiter A, 19. Limiter B, 20. Slide rail, 21. Gear, 22. Toothed belt, 23. Motor, 24. Worm gear, 25. Drive gear. Detailed Implementation

[0027] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0028] Example: A mobile ADCP bridge-mounted traction device with obstacle avoidance function, such as... Figure 1As shown. This device includes a movable base 1, on which a battery 15 is also installed. A trolley handle 6 is installed on one side of the base. A vertical support 2 is installed in the middle of the base 1, and a swing arm 3 is installed at the top of the vertical support. The vertical support 2 has a multi-segment structure. In this example, the vertical support is composed of three segments, as shown below. Figure 3-5 The diagram shows the uppermost bracket 11, the next-uppermost bracket 12, and the lower bracket 13. The connection between the base 1 and the lower bracket 13, and between the lower bracket 13 and the next-uppermost bracket 12, uses a square protrusion and a square hole for insertion. The connection between the uppermost bracket 11 and the next-uppermost bracket 12 uses a round protrusion and a round hole for insertion, forming a horizontally rotatable nested structure. A locking screw 14 is provided at the connection between the uppermost bracket 11 and the next-uppermost bracket 12.

[0029] An angle adjuster 8 is provided at the hinge joint between the swing arm 3 and the vertical support 2. The angle adjuster is an arc-shaped rod with several first positioning holes evenly distributed on it. A second positioning hole is correspondingly provided on the vertical support. The second positioning hole and one of the first positioning holes are aligned and a positioning pin is inserted. The swing arm 3 is hinged to the top of the vertical support 2. One end of the swing arm is a cantilever end, and the other end is provided with an operating handle 7. The cantilever end of the swing arm 3 is provided with a fixed ring 5 and a moving ring 4. The middle of the outer wall of the moving ring 4 is provided with a traction seat 10 for suspending the traveling ADCP traction rope. Both the fixed ring 5 and the moving ring 4 are arc-shaped. The arc of the fixed ring is 150°, and the midpoint of the outer wall of the fixed ring 5 is fixed to the swing arm 3. The arc of the moving ring is 180°. The fixed ring and the moving ring are arranged along the same circumference. The fixed ring 5 and the moving ring 4 are hollow tubes with the same diameter. A C-shaped inner ring 16 is embedded inside the fixed ring 4 and the moving ring 5. The curvature of the inner ring is the sum of the curvatures of the fixed ring and the moving ring. In this example, the curvature of the inner ring is 330° and the opening curvature is 30°. The two ends of the inner ring are respectively provided with protruding limiters A18 and B19. The inner wall of the fixed ring 5 is provided with a slide rail 20 for the limiters A and B to slide through. The two ends of the moving ring 4 are respectively provided with slots for locking the limiters A18 and B19.

[0030] like Figure 2 , 3 As shown, the outer wall of the inner ring 16 is provided with an arc-shaped rack 17. Two gears 21 are provided at one end of the swing arm 3 near the fixed ring 5, both meshing with the rack 17. The distance between the two gears is not less than the width of the opening of the inner ring 16. The swing arm is also equipped with a motor 23 that drives the gears. The output end of the motor is connected to the driving gear 25 using a worm gear 24 structure. The driving gear is transmitted to the gear 21 via a toothed belt 22. The control panel 9 of the motor 23 is mounted on the operating handle 7.

[0031] The control panel controls the motor to rotate forward, reverse, or stop. When the motor rotates forward, the toothed belt drives the gear to rotate forward, and the gear and rack move relative to each other, driving the inner ring to rotate clockwise. Limiters A and B on the inner ring rotate clockwise synchronously. Limiters A and B can pass through the inside of the fixed ring via slides. When limiter A rotates clockwise to contact the left end of the moving ring, it pushes the moving ring to rotate clockwise and fit against the right side of the fixed ring. At this time, the swing arm is in the left-opening state, and rod-type obstacles can enter the inside of the ring from the opening. When the motor reverses, the motor drives the toothed belt to drive the gear to reverse, and the gear and rack move relative to each other, driving the inner ring to rotate counterclockwise. Limiters A and B on the inner ring rotate counterclockwise synchronously. Limiters A and B can pass through the inside of the fixed ring through the slide. When limiter B rotates counterclockwise to contact the right end of the moving ring, it pushes the moving ring to rotate counterclockwise and fit against the fixed ring on the left side. At this time, the swing arm is in the right-opening state, and the pole-type obstacle can leave the inside of the ring from the opening, thus realizing the function of avoiding obstacles such as street lamp poles or railings.

Claims

1. A mobile ADCP bridge-to-surface traction device with obstacle avoidance function, comprising a mobile base, a vertical support on the base, a swing arm on the top of the vertical support, one end of the swing arm extending towards the river side, characterized in that: The extended end of the swing arm is provided with a fixed ring and a moving ring. The middle of the outer wall of the moving ring is provided with a traction seat for suspending the traveling ADCP traction rope. Both the fixed ring and the moving ring are arc-shaped, and the sum of the arcs of the fixed ring and the moving ring is less than 360 degrees. The fixed ring and the moving ring are arranged along the same circumference. The fixed ring and the moving ring are hollow tubes with the same diameter. A C-shaped inner ring is embedded inside the fixed ring and the moving ring. The arc of the inner ring is the sum of the arcs of the fixed ring and the moving ring. The two ends of the inner ring are respectively provided with a protruding limiter A and a limiter B. The inner wall of the fixed ring is provided with a slide rail for the limiters A and B to slide through. The outer wall of the inner ring is provided with an arc-shaped rack. The end of the swing arm near the fixed ring is provided with a gear that meshes with the rack. The swing arm is also provided with a motor or hand crank to drive the gear.

2. The mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1, characterized in that: Two gears are provided, both of which mesh with the rack, and the distance between the two gears is not less than the width of the inner ring opening.

3. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The output end of the motor or hand crank is connected to the drive gear using a worm gear structure, and the drive gear is driven by a toothed belt and a gear.

4. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The fixed ring has an arc of 120-150°, and the midpoint of the outer wall of the fixed ring is fixed to the swing arm. The moving ring has an arc of 150-180°.

5. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 4, characterized in that: The fixed ring has an arc of 150°, the moving ring has an arc of 180°, the inner ring has an arc of 330°, and the opening side arc of the inner ring has an arc of 30°.

6. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The swing arm is hinged to the top of the vertical support, with one end of the swing arm being a cantilevered end and the other end having an operating handle.

7. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 5, characterized in that: An angle adjuster is provided at the hinge of the swing arm and the vertical support. The angle adjuster is an arc-shaped rod with several first positioning holes evenly distributed on it. A second positioning hole is provided on the vertical support, and the second positioning hole is aligned with one of the first positioning holes and a positioning pin is inserted therein.

8. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The vertical support has a multi-segment structure. The uppermost support segment and the next uppermost support segment are nested in a horizontally rotatable manner, and locking screws are provided at the connection ends of the uppermost support segment and the next uppermost support segment.

9. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The base is also equipped with a battery, and a trolley handle is provided on one side of the base.

10. A mobile ADCP bridge-mounted traction device with obstacle avoidance function according to claim 1 or 2, characterized in that: The two ends of the motion ring are respectively provided with slots for locking limiter A and limiter B.

Images