River flow velocity detection device

Abstract

The utility model discloses a river flow velocity detection device, which comprises a support rod, a propelling device, a detection device, a support plate, a wind-up roller, a wire ring and a traction rope, and the left side of the bottom of the propelling device is fixedly connected with the top of the support rod. Through the arrangement of the worm gear and the worm, when a user needs the detection device to descend to the bottom of a river channel, the worm is rotated to drive the worm gear to rotate, so that the winding roller gradually unwinds the traction rope to enable the detection device to descend, and when the detection device reaches a certain depth, rotation of the worm is stopped; through the self-locking capacity between the worm gear and the worm, the detection device is finally stabilized at the height, and the problems that as the detection device gets close to the bottom of a river channel, the tensile force borne by the control rope is increased, the control disc bears larger reverse torque, however, the friction force between the control bolt and the fixing plate is the key to fix the position of the control disc, and the detection device is difficult to move are solved. However, under the action of a large torque, the effect of stabilizing the detection height is achieved.

Description

Technical Field

[0001] This utility model relates to the field of water area monitoring technology, specifically a device for detecting river flow velocity. Background Technology

[0002] Monitoring river flow velocity is an important part of hydrological work, involving multiple aspects such as flood control safety and water resource development and utilization.

[0003] For example, application number CN202420363164.X, this utility model belongs to the field of water area detection and discloses a river flow velocity monitoring device, including a positioning column, a crossbeam installed on the positioning column, a drive assembly installed on the crossbeam; a telescopic rod connected to the drive assembly; a connecting plate installed at the bottom of the telescopic rod; a flow velocity sensor located at the bottom of the connecting plate; and a control assembly installed on the crossbeam for controlling the length of the telescopic rod. By using the telescopic rod, the device can adjust its length according to the depth of the river when detecting flow velocity, thus avoiding the problem that the flow velocity sensor cannot detect the flow velocity at the bottom of the river when the river is deep, and avoiding the problem that the device cannot be installed properly when the riverbed is shallow, thereby improving the adaptability of the device to different river conditions.

[0004] Based on the search of the aforementioned patents and the findings of existing equipment, while the aforementioned equipment can address the issue of varying riverbed depths due to different river channels or riverbed locations, the length of the hanger in the aforementioned solution is not adjustable, nor is the height relative to the crossbeam and positioning column. This results in a distance between the bottom of the hanger and the riverbed when used in deeper riverbeds, leading to incomplete flow velocity data collection by the flow velocity sensor. Furthermore, in shallower riverbeds, the longer hanger length necessitates adjustments to the positions of the positioning column and crossbeam relative to the riverbed for proper fixation. During use, as the detection device approaches the riverbed, the increased tension on the control rope causes a greater reverse torque on the control disc. While the friction between the control bolt and the fixing plate is crucial for maintaining the control disc's position, the friction is insufficient to resist the larger torque, causing the control disc's position to change. Consequently, the detection device's depth in the water cannot be stably maintained, affecting the accuracy of the detection data. Utility Model Content

[0005] To address the problems mentioned in the background art, the present invention aims to provide a river flow velocity detection device with the advantage of stable detection height. It solves the problem that as the detection device approaches the bottom of the river, the tension on the control rope increases, causing the control disc to experience a greater reverse torque. However, the friction between the control bolt and the fixing plate is crucial for fixing the control disc's position, but under a large torque, the friction is insufficient to resist this, leading to changes in the control disc's position. Consequently, the depth of the detection device in the water cannot be stably maintained, affecting the accuracy of the detection data.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a river flow velocity detection device, comprising a support rod, a propulsion device, a detection device, a support plate, a take-up roller, a guide ring, and a traction rope. The left side of the bottom of the propulsion device is fixedly connected to the top of the support rod, the top of the detection device is fixedly connected to the right side of the bottom of the propulsion device, a mounting plate is fixedly connected to the left side of the top of the propulsion device, the bottom of the support plate is fixedly connected to both sides of the top of the mounting plate, the back of the take-up roller is movably connected to the inner side of the support plate via a pin, the front of the take-up roller extends through to the outer side of the support plate, the inner side of the guide ring is fixedly connected to both sides of the propulsion device, the surface of the traction rope is slidably connected to the inner wall of the guide ring, one end of the traction rope is fixedly wound around the take-up roller, the other end of the traction rope is fixedly connected to both sides of the top of the detection device, a worm gear is fixedly connected to the front of the take-up roller, a worm is meshed with the bottom of the worm gear, and a speed-increasing mechanism is fixedly connected to the left side of the worm.

[0007] In a preferred embodiment of this invention, the speed-increasing mechanism includes a small gear, the right side of which is fixedly connected to the left side of the worm gear, a large gear meshing with the top of the small gear, a fixing block being movably connected to the right side of the large gear via a pin, and the back of the fixing block being fixedly connected to the left side of the outer side of the support plate.

[0008] As a preferred embodiment of this utility model, support blocks are fitted at both ends of the worm gear surface, and the back of the support blocks are fixedly connected to the two outer sides of the support blocks.

[0009] As a preferred embodiment of this invention, the inner wall of the support block is movably connected to a ball bearing, and both ends of the worm gear surface are movably connected to the ball bearing.

[0010] As a preferred embodiment of this invention, a crank handle is movably connected to the bottom left side of the large gear via a pin, and the crank handle is used to rotate the large gear.

[0011] As a preferred embodiment of this invention, the top of the worm gear is provided with an L-shaped baffle, and the rear side of the bottom of the L-shaped baffle is movably connected to the top of the support plate.

[0012] As a preferred embodiment of this utility model, slots are provided on both sides of the rear top of the L-shaped baffle, and uprights are inserted into the inner walls of the slots. The bottom of the uprights is fixedly connected to both sides of the top of the support plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model, by setting up a worm gear and a worm, allows the user to rotate the worm when the detection device needs to descend to the bottom of the river. This rotation drives the worm gear to rotate, which in turn causes the winding roller to gradually unwind the traction rope, allowing the detection device to descend. Once the detection device reaches a certain depth, the rotation of the worm stops. Through the self-locking ability between the worm gear and the worm, the detection device is ultimately stabilized at this height. This solves the problem that as the detection device approaches the bottom of the river, the tension on the control rope increases, causing the control disc to experience a greater reverse torque. However, the friction between the control bolt and the fixing plate is crucial for fixing the position of the control disc. Under a large torque, the friction is insufficient to resist this, causing the position of the control disc to change. Consequently, the depth of the detection device in the water cannot be stabilized, affecting the accuracy of the detection data. This invention achieves the effect of stabilizing the detection height.

[0015] 2. This utility model, by setting up an acceleration mechanism, allows the user to rotate the worm gear to drive the worm wheel to rotate, thereby unwinding or winding the traction rope and adjusting the depth of the detection device in the river. Rotating the large gear drives the small gear to rotate, and by utilizing the gear ratio difference between the large and small gears, the small gear quickly drives the worm gear to rotate, which in turn drives the worm wheel to rotate the winding roller, thus winding or unwinding the traction rope and adjusting the height of the detection device in the water, thereby improving the user's work efficiency.

[0016] 3. By setting a support block, this utility model provides a fixed support point for the worm, so that the worm wheel and the worm can be stably meshed and connected, thereby making the worm and the worm wheel stably cooperate and form a self-locking capability. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the L-shaped baffle opening structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the traction rope of this utility model and an exploded schematic diagram of some parts.

[0020] In the diagram: 1. Support rod; 2. Propulsion device; 3. Detection device; 4. Support plate; 5. Take-up roller; 6. Wire ring; 7. Traction rope; 8. Mounting plate; 9. Worm gear; 10. Worm; 11. Speed-increasing mechanism; 111. Pinion; 112. Gear; 113. Fixing block; 12. Support block; 13. Ball bearing; 14. Handle; 15. L-shaped baffle; 16. Slot; 17. Upright pole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 3 As shown, the present invention provides a river flow velocity detection device 3, including a support rod 1, a propulsion device 2, a detection device 3, a support plate 4, a take-up roller 5, a guide ring 6, and a traction rope 7. The left side of the bottom of the propulsion device 2 is fixedly connected to the top of the support rod 1, the top of the detection device 3 is fixedly connected to the right side of the bottom of the propulsion device 2, an mounting plate 8 is fixedly connected to the left side of the top of the propulsion device 2, the bottom of the support plate 4 is fixedly connected to both sides of the top of the mounting plate 8, the back of the take-up roller 5 is movably connected to the inner side of the support plate 4 through a pin, the front of the take-up roller 5 extends to the outer side of the support plate 4, the inner side of the guide ring 6 is fixedly connected to both sides of the propulsion device 2, the surface of the traction rope 7 is slidably connected to the inner wall of the guide ring 6, one end of the traction rope 7 is fixedly wound on the take-up roller 5, and the other end of the traction rope 7 is fixedly connected to both sides of the top of the detection device 3. A worm gear 9 is fixedly connected to the front of the take-up roller 5, a worm 10 is meshed with the bottom of the worm gear 9, and an acceleration mechanism 11 is fixedly connected to the left side of the worm 10.

[0023] refer to Figure 2 and Figure 3 The speed-increasing mechanism 11 includes a pinion 111, the right side of which is fixedly connected to the left side of the worm gear 10. A large gear 112 is meshed with the top of the pinion 111. A fixing block 113 is movably connected to the right side of the large gear 112 via a pin. The back of the fixing block 113 is fixedly connected to the left side of the outer side of the support plate 4.

[0024] As a technical optimization of this utility model, by setting up an acceleration mechanism 11, when the user needs to drive the worm wheel 9 to rotate the winding roller 5 by rotating the worm gear 10 to unwind or wind the traction rope 7 and adjust the depth of the detection device 3 in the river, the large gear 112 is rotated to drive the small gear 111 to rotate. Then, by utilizing the gear ratio difference between the large gear 112 and the small gear 111, the small gear 111 quickly drives the worm gear 10 to rotate, which in turn drives the worm wheel 9 to rotate the winding roller 5 to wind or unwind the traction rope 7 and adjust the height of the detection device 3 in the water, thereby improving the user's work efficiency.

[0025] refer to Figure 3 Both ends of the worm gear 10 are fitted with support blocks 12, and the back of the support blocks 12 are fixedly connected to the two sides of the outer side of the support blocks 12.

[0026] As a technical optimization of this utility model, by setting a support block 12, a fixed support point is provided for the worm 10, so that the worm wheel 9 and the worm 10 are stably meshed and connected, thereby making the worm 10 and the worm wheel 9 stably cooperate and form a self-locking capability.

[0027] refer to Figure 3 The inner wall of the support block 12 is movably connected to a ball bearing 13, and both ends of the surface of the worm gear 10 are movably connected to the ball bearing 13.

[0028] As a technical optimization of this utility model, by setting a ball bearing 13, the worm 10 is driven by the pinion 111. During the rotation, the ball bearing 13 in the support block 12 rotates together with the worm 10. Thus, the ball bearing 13 provides a low-wear and smooth support point for the worm 10 in the support block 12, thereby making the rotation of the worm 10 smoother.

[0029] refer to Figure 3 A crank handle 14 is movably connected to the bottom left side of the large gear 112 via a pivot pin. The crank handle 14 is used to rotate the large gear 112.

[0030] As a technical optimization of this utility model, by setting a crank handle 14, when the user needs to use the rotation of the large gear 112 to drive the small gear 111 to rotate, so that the worm 10 drives the worm wheel 9 to rotate, and finally make the take-up roller 5 rotate, the user can easily rotate the large gear 112 by using the force point provided by the crank handle 14 on the large gear 112, thereby improving the user's ease of operation.

[0031] refer to Figure 2 and Figure 3 The top of the worm gear 9 is provided with an L-shaped baffle 15, and the rear side of the bottom of the L-shaped baffle 15 is movably connected to the top of the support plate 4.

[0032] As a technical optimization of this utility model, by setting an L-shaped baffle 15, the worm gear 9, worm 10, pinion 111 and gear 112 are covered and shielded, thereby preventing foreign objects from interfering with their meshing transmission, thus improving the stability of the meshing transmission between the worm gear 9, worm 10 and gear 112 and pinion 111.

[0033] refer to Figure 2 and Figure 3 The L-shaped baffle 15 has slots 16 on both sides of the top rear side. The inner wall of the slot 16 is inserted with a vertical rod 17. The bottom of the vertical rod 17 is fixedly connected to the two sides of the top of the support plate 4.

[0034] As a technical optimization of this utility model, by setting a slot 16 and a pole 17, the L-shaped baffle 15 is connected to the support plate 4 by the insertion and cooperation of the pole 17 and the slot 16, which stably covers the worm gear 9 and the worm 10. At the same time, it is convenient to disassemble the L-shaped baffle 15 and maintain the worm gear 9 and the worm 10, thereby improving the user's ease of operation.

[0035] The working principle and usage process of this utility model are as follows: When the user needs to detect the flow velocity of a river, firstly, the device is fixed to the side of the river using the support rod 1. Then, the propulsion device 2 is driven to push the detection device 3 closer to the river. Next, the large gear 112 can be rotated using the crank handle 14, which drives the small gear 111 to rotate. By utilizing the gear ratio difference between the large gear 112 and the small gear 111, the small gear 111 quickly drives the worm gear 10 to rotate, which in turn drives the worm wheel 9 to rotate the take-up roller 5, thereby detecting the flow velocity of the river. The traction rope 7 is unwound, causing the detection device 3 to descend and submerge in the river flow. Once the detection device 3 reaches the required detection depth, the rotation of the large gear 112 stops, and the winding roller 5 stops rotating. Finally, through the self-locking engagement between the worm gear 9 and the worm 10, the winding roller 5 is firmly fixed, keeping the traction rope 7 taut and stabilizing the current height of the detection device 3. Thus, the current flow velocity of the river's water layer can be detected through the detection device 3, thereby achieving the advantage of a stable detection height.

[0036] In summary, this river flow velocity detection device, through the configuration of a worm gear 9 and a worm 10, allows the user to descend the detection device 3 to the bottom of the river by rotating the worm 10. This rotation drives the worm gear 9 to rotate, causing the take-up roller 5 to gradually unwind the traction rope 7, thus lowering the detection device 3. Once the detection device 3 reaches a certain depth, the rotation of the worm 10 stops. Through the self-locking capability between the worm gear 9 and the worm 10, the detection device 3 is ultimately stabilized at this height. This solves the problem that as the detection device approaches the bottom of the river, the tension on the control rope increases, causing the control disc to experience a greater reverse torque. However, the friction between the control bolt and the fixing plate is crucial for fixing the position of the control disc. Under a large torque, the friction is insufficient to resist this, causing the position of the control disc to change. Consequently, the depth of the detection device in the water cannot be stably maintained, affecting the accuracy of the detection data.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting river flow velocity, comprising a support rod (1), a propulsion device (2), a detection device (3), a support plate (4), a winding roller (5), a guide ring (6), and a traction rope (7), characterized in that: The bottom left side of the propulsion device (2) is fixedly connected to the top of the support rod (1), the top of the detection device (3) is fixedly connected to the bottom right side of the propulsion device (2), the top left side of the propulsion device (2) is fixedly connected to the mounting plate (8), the bottom of the support plate (4) is fixedly connected to both sides of the top of the mounting plate (8), the back of the take-up roller (5) is movably connected to the inner side of the support plate (4) through a shaft pin, the front of the take-up roller (5) extends through to the outer side of the support plate (4), and the wire... The inner side of the ring (6) is fixedly connected to both sides of the propulsion device (2). The surface of the traction rope (7) is slidably connected to the inner wall of the wire ring (6). One end of the traction rope (7) is fixedly wound on the take-up roller (5). The other end of the traction rope (7) is fixedly connected to both sides of the top of the detection device (3). A worm wheel (9) is fixedly connected to the front of the take-up roller (5). A worm (10) is meshed with the bottom of the worm wheel (9). An acceleration mechanism (11) is fixedly connected to the left side of the worm (10).

2. The device for detecting river flow velocity according to claim 1, characterized in that: The speed-increasing mechanism (11) includes a small gear (111), the right side of which is fixedly connected to the left side of the worm (10), a large gear (112) meshing with the top of the small gear (111), and a fixed block (113) movably connected to the right side of the large gear (112) via a shaft pin, the back of which is fixedly connected to the left side of the outer side of the support plate (4).

3. The device for detecting river flow velocity according to claim 1, characterized in that: Both ends of the worm (10) are fitted with support blocks (12), and the back of the support block (12) is fixedly connected to the two sides of the outer side of the support block (12).

4. The river flow velocity detection device according to claim 3, characterized in that: The inner wall of the support block (12) is movably connected to a ball bearing (13), and both ends of the surface of the worm (10) are movably connected to the ball bearing (13).

5. The device for detecting river flow velocity according to claim 2, characterized in that: A crank handle (14) is movably connected to the bottom left side of the large gear (112) via a pivot pin. The crank handle (14) is used to rotate the large gear (112).

6. The device for detecting river flow velocity according to claim 1, characterized in that: The top of the worm gear (9) is provided with an L-shaped baffle (15), and the rear side of the bottom of the L-shaped baffle (15) is movably connected to the top of the support plate (4).

7. The device for detecting river flow velocity according to claim 6, characterized in that: The L-shaped baffle (15) has slots (16) on both sides of the top rear side. A vertical rod (17) is inserted into the inner wall of the slot (16). The bottom of the vertical rod (17) is fixedly connected to the two sides of the top of the support plate (4).

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