Water flow speed measuring device

Abstract

The utility model provides a water flow velocity measurement device, which comprises a plurality of groups of connecting plates, the adjacent connecting plates are rotatably connected through a rotating shaft, the connecting plates can be folded or unfolded into long plates, magnet layers are arranged on the surfaces of the upper and lower ends of the connecting plates, traction assemblies are arranged at the two ends of the connecting plates, and the magnet layers are connected with the traction assemblies. The traction assembly comprises a first winding seat and a second winding seat, the second winding seat is fixed to the connecting plate at the outermost end, and the first winding seat slides along the side edge of the connecting plate. Compared with the prior art, the device is convenient to store and carry through folding of the multiple connecting plates, when the device is unfolded, adjustment can be conducted according to the widths of the two banks of the position to be detected, and the detection accuracy is improved. The stability of the device is kept through the traction assembly and the fixing assembly, meanwhile, the speed measuring assembly is pulled to slide along the surface of the connecting plate, multi-point measurement is carried out on a straight plate path where the connecting plate is unfolded, and the cost can be reduced through moving multi-point measurement of a single speed measuring instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of water flow velocity measurement, in particular to a water flow velocity measurement device. Background Art

[0002] Water level monitoring is an indispensable part of water conservancy project inspection work. Water level monitoring mainly monitors the water depth intercepted by dams and other water conservancy projects. When conducting water conservancy monitoring, it is usually necessary to measure the water flow rate. The common method is to measure the water flow rate through a speed meter. Existing speed meters are mostly measured by manually holding them. The disadvantage is that multi-point measurement cannot be achieved and the measurement points need to be manually adjusted.

[0003] Patent CN216718478U proposes a water flow speed measuring device for hydrological testing. By forming a card connection between an elastic card component and a card slot, the main rod, a first folding rod and a second folding rod are formed into a straight rod and supported on the ground by a tripod. The stabilizing pedal provides stability by stepping on the foot or pressing the hand, so that the whole is relatively stable during speed measurement. The positioning component is sleeved on the main rod and can be moved, and the locking spring has an elastic space. The positioning component can slide onto the first folding rod and the second folding rod and can be tightened by the locking bolt, so as to adjust the positioning component in different positions, and then cooperate with the detection rod to be inserted into the water, the speed measuring head is inserted into the water at different positions, and multiple speed measuring heads are inserted into the water at different positions at the same time to measure speed at multiple points.

[0004] The above solution has the drawbacks that providing multiple speed measuring heads will increase the cost, and after being folded and stored, the multiple speed measuring heads are also easily damaged due to squeezing or collision. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a water flow velocity measuring device to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. The folding of multiple connecting plates facilitates the storage and carrying of the device. When unfolded, it can be adjusted according to the width of both banks of the position to be measured. The stability of the device is maintained by a traction component and a fixing component. At the same time, the speed measuring component is pulled to slide along the surface of the connecting plate to perform multi-point measurements on the straight plate path of the unfolded connecting plate. The mobile multi-point measurement of a single speed meter can reduce costs.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a water flow speed measuring device, including a connecting plate, the connecting plate is provided with multiple groups, adjacent connecting plates are rotatably connected by a rotating shaft, and the connecting plate can be folded or unfolded into a long plate, a magnet layer is arranged on the upper and lower end surfaces of the connecting plate, and a traction component is arranged at both ends of the connecting plate, the traction component includes a first winding seat and a second winding seat, the second winding seat is fixed to the connecting plate at the outermost end, and the first winding seat slides along the side of the connecting plate, a traction rope is arranged between the first winding seat and the second winding seat, and a speed measuring component is installed on the surface of the traction rope, the speed measuring component includes a vertical plate, a speedometer is fixed at the bottom of the vertical plate, a fixing component is arranged on the outer sides of the first winding seat and the second winding seat, and the fixing component includes a connecting frame, the connecting frame is fixedly connected to the first winding seat and the second winding seat respectively, and two plugs are symmetrically slidably inserted at the bottom of the connecting frame.

[0007] Furthermore, slide grooves are provided on both sides of the connecting plate, and the slide grooves are connected after the multiple groups of connecting plates are unfolded.

[0008] Furthermore, the traction assembly also includes a motor, and the first and second winding seats are both internally provided with winding shafts rotatably installed through bearings, a motor is fixed to the top of the first winding seat, and the output end of the motor is fixedly connected to the winding shaft in the first winding seat, and torsion springs are installed at both ends of the winding shaft of the second winding seat, and both ends of the traction rope are wound on the winding shafts of the first and second winding seats.

[0009] Furthermore, a locking bolt is threadedly inserted into one side of the first winding seat, and the locking bolt can be in compression contact with the sliding groove.

[0010] Furthermore, a sliding frame is fixed on the surface of the traction rope, and convex strips are fixed on both sides of the sliding frame, and the convex strips slide along the inside of the sliding groove.

[0011] Furthermore, the speed measuring component also includes a limit frame, a limit frame is fixed on one side of the sliding frame, the vertical plate is slidably inserted into the limit frame, the limit frame is located on the back side of the vertical plate and is rotatably installed with a lifting screw through a bearing, and the top of the vertical plate is threadedly sleeved on the surface of the lifting screw.

[0012] Furthermore, scales are provided on the surfaces of the vertical plates and the connecting plates.

[0013] Furthermore, the fixing assembly also includes an adjusting screw, the adjusting screw is threadedly inserted into the top of the connecting frame, and the top of the adjusting screw is rotatably connected to the cross plate at the top of the two plug posts, and a cone head is fixed to the bottom of the plug post.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model moves with the first winding seat through the connecting frame at the outer end of the first winding seat, and the connecting frame at the outer end of the second winding seat remains stationary, and is fixed to the shore on one side of the water flow with the connecting plate on one side of the second winding seat as the base point. After the connecting plate is unfolded, the first winding seat is moved to the other end, and the two plugs are driven to descend by rotating the adjusting screws of the connecting frames at both ends, and the cone head is inserted into the ground. The insertion depth can be adjusted automatically according to the position of the shore to maintain the stability of the device when in use.

[0016] 2. The utility model has scales on both the vertical plate and the connecting plate, so that the depth of the speedometer's descent measurement and the distance of the speedometer's horizontal movement can be determined according to the scale values, thereby achieving accurate speed measurement at different depths and different points. The lifting screw is rotated to drive the vertical plate to descend along the limit frame, and the speedometer descends synchronously. When the traction rope is reeled in by the first reel-in seat, it will pull the convex strips on both sides of the slide frame to slide along the slide groove and move to other positions to measure the water speed.

[0017] 3. The utility model slides the position of the first winding seat to move it to the other end, fixes the position of the first winding seat by a locking bolt, and the motor drives the winding shaft of the first winding seat to rotate to wind up the traction rope, thereby pulling the speed measuring component to slide along the unfolded connecting plate to adjust the lateral position. The connecting frame, sliding frame and other structures in the device are all provided with avoidance space corresponding to the position of the connecting plate to prevent collision.

[0018] 4. Compared with the prior art, the utility model facilitates the storage and carrying of the device by folding multiple connecting plates. When unfolded, it can be adjusted according to the width of both sides of the position to be measured. The stability of the device is maintained by the traction component and the fixing component. At the same time, the speed measuring component is pulled to slide along the surface of the connecting plate to perform multi-point measurement on the straight plate path of the unfolded connecting plate. The mobile multi-point measurement of a single speed meter can reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a water flow velocity measuring device of the utility model;

[0020] Figure 2 This is a structural schematic diagram of one end of a traction component and a fixing component of a water flow velocity measuring device of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the other end of the traction component and the fixing component of a water flow speed measuring device of the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the connection between a traction component and a speed measuring component of a water flow speed measuring device.

[0023] In the figure: 1. connecting plate; 11. slide groove; 2. magnet layer; 3. speed measuring assembly; 31. limit frame; 32. vertical plate; 33. lifting screw; 34. speed meter; 4. fixing assembly; 41. connecting frame; 42. adjusting screw; 43. plug column; 44. cone head; 5. traction assembly; 51. first winding seat; 52. motor; 53. traction rope; 54. locking bolt; 55. second winding seat; 56. slide frame; 57. convex strip. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figures 1 to 4 The utility model provides a technical solution: a water flow speed measuring device, including a connecting plate 1, wherein the connecting plate 1 is provided with a plurality of groups, and the adjacent connecting plates 1 are rotatably connected by a rotating shaft, and the connecting plate 1 can be folded or unfolded into a long plate, and a magnet layer 2 is provided on the upper and lower end surfaces of the connecting plate 1, and a traction assembly 5 is provided at both ends of the connecting plate 1, and the traction assembly 5 includes a first winding seat 51 and a second winding seat 55, and the second winding seat 55 is fixed on the outermost connecting plate 1, and the first winding seat 51 slides along the side of the connecting plate 1, and a traction rope 53 is provided between the first winding seat 51 and the second winding seat 55, and a speed measuring assembly 3 is installed on the surface of the traction rope 53, and the speed measuring assembly 3 includes a vertical plate 32, A speedometer 34 is fixed to the bottom of the vertical plate 32, and a fixing component 4 is provided on the outer sides of the first winding seat 51 and the second winding seat 55. The fixing component 4 includes a connecting frame 41, and the connecting frame 41 is fixedly connected to the first winding seat 51 and the second winding seat 55 respectively, and two plug posts 43 are symmetrically slidably inserted at the bottom of the connecting frame 41. When using the device, the connecting plate 1 is unfolded according to the position of the shore on both sides of the measured water flow, and the position of the device is fixed by the fixing components 4 at both ends, and then the measuring depth of the speed measuring component 3 is adjusted, and the speed measuring component 3 is driven by the traction component 5 to move horizontally along the connecting plate 1 to perform multi-point measurement. When storing, the connecting plate 1 is folded and stored, and the stability after folding is maintained by the adsorption of the magnet layer 2.

[0026] In this embodiment, slide grooves 11 are provided on both sides of the connecting plate 1. After the multiple groups of connecting plates 1 are unfolded, the slide grooves 11 are connected. The traction component 5 also includes a motor 52. The first winding seat 51 and the second winding seat 55 are both internally provided with winding shafts rotatably installed through bearings. The motor 52 is fixed on the top of the first winding seat 51, and the output end of the motor 52 is fixedly connected to the winding shaft in the first winding seat 51. Torsion springs are installed at both ends of the winding shaft of the second winding seat 55. Both ends of the traction rope 53 are wound on the winding shafts of the first winding seat 51 and the second winding seat 55. A lock is threadedly inserted on one side of the first winding seat 51. Tighten the bolt 54, and the locking bolt 54 can be squeezed into contact with the slide groove 11. In the initial stage, the first winding seat 51 and the second winding seat 55 are both located on the first connecting plate 1. After the connecting plate 1 is rotated and unfolded, the position of the first winding seat 51 is slid to move to the other end, and the position of the first winding seat 51 is fixed by the locking bolt 54. The motor 52 drives the winding shaft of the first winding seat 51 to rotate, and the traction rope 53 is reeled in, thereby pulling the speed measuring component 3 to slide along the unfolded connecting plate 1 to adjust the lateral position. The structures such as the connecting frame 41 and the sliding frame 56 in the device are all provided with avoidance space corresponding to the position of the connecting plate 1, and no collision occurs.

[0027] In this embodiment, a sliding frame 56 is fixed on the surface of the traction rope 53, and convex strips 57 are fixed on both sides of the sliding frame 56. The convex strips 57 slide along the inside of the slide groove 11. The speed measuring component 3 also includes a limit frame 31. The limit frame 31 is fixed on one side of the sliding frame 56. The vertical plate 32 is slidably inserted in the limit frame 31. The limit frame 31 is located on the back of the vertical plate 32 and is rotatably installed with a lifting screw 33 through a bearing. The top of the vertical plate 32 is threadedly sleeved on the surface of the lifting screw 33. The vertical plate 32 and the connecting plate 1 There are scales on the surface, and there are scales on the vertical plate 32 and the connecting plate 1, which is convenient for determining the depth of the speed meter 34 and the horizontal movement distance of the speed meter 34 according to the scale values, so as to achieve accurate speed measurement at different depths and different points. The lifting screw 33 is rotated to drive the vertical plate 32 to descend along the limit frame 31, and the speed meter 34 descends synchronously. When the traction rope 53 is reeled in by the first reeling seat 51, it will pull the convex strips 57 on both sides of the slide frame 56 to slide along the slide groove 11 and move to other positions to measure the water speed.

[0028] In this embodiment, the fixing assembly 4 also includes an adjusting screw 42, and the adjusting screw 42 is threadedly inserted at the top of the connecting frame 41, and the top of the adjusting screw 42 is rotatably connected to the horizontal plate at the top of the two plug posts 43, and a cone head 44 is fixed to the bottom of the plug post 43. The connecting frame 41 at the outer end of the first winding seat 51 will move with the first winding seat 51, and the connecting frame 41 at the outer end of the second winding seat 55 remains stationary, with the connecting plate 1 on one side of the second winding seat 55 as the base point, fixed to the shore on one side of the water flow, after the connecting plate 1 is unfolded, the first winding seat 51 is moved to the other end, and the two plug posts 43 are driven down by rotating the adjusting screws 42 of the connecting frames 41 at both ends, and the cone head 44 is inserted into the ground. The insertion depth can be adjusted automatically according to the position of the shore to maintain the stability of the device when in use.

[0029] When the device is used, the connecting plate 1 is unfolded according to the position of the shore on both sides of the measured water flow. After the connecting plate 1 is unfolded, the first winding seat 51 is moved to the other end, and the two plug posts 43 are driven to descend by rotating the adjusting screws 42 of the connecting frames 41 at both ends, and the cone head 44 is inserted into the ground. The insertion depth can be adjusted according to the position of the shore to maintain the stability of the device when in use. The lifting screw 33 is rotated to drive the vertical plate 32 to descend along the limit frame 31, and the speed meter 34 is synchronously descended. When the traction rope 53 is wound by the first winding seat 51, the convex strips 57 on both sides of the slide frame 56 will slide along the slide groove 11 and move to other positions to measure the water speed. The motor 52 drives the winding shaft of the first winding seat 51 to rotate, and the traction rope 53 is wound, so as to pull the speed measuring component 3 to slide along the unfolded connecting plate 1, adjust the lateral position, and perform multi-point measurement. When storing, the connecting plate 1 is folded and stored, and the stability after folding is maintained by the adsorption of the magnetic layer 2.

[0030] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A water flow velocity measuring device, comprising a connecting plate (1), characterized in that: The connecting plate (1) is provided with a plurality of groups, and adjacent connecting plates (1) are rotatably connected via a rotating shaft, and the connecting plates (1) can be folded or unfolded into a long plate, and a magnetic layer (2) is provided on the upper and lower end surfaces of the connecting plate (1), and a traction assembly (5) is provided at both ends of the connecting plate (1), and the traction assembly (5) comprises a first winding seat (51) and a second winding seat (55), and the second winding seat (55) is fixed on the outermost connecting plate (1), and the first winding seat (51) slides along the side of the connecting plate (1), and the first winding seat (51) and the second winding seat (55), a traction rope (53) is provided between the first and second winding seats (51 and 55), a speed measuring assembly (3) is installed on the surface of the traction rope (53), the speed measuring assembly (3) includes a vertical plate (32), a speed meter (34) is fixed at the bottom of the vertical plate (32), a fixing assembly (4) is provided on the outer sides of the first winding seat (51) and the second winding seat (55), the fixing assembly (4) includes a connecting frame (41), the connecting frame (41) is fixedly connected to the first winding seat (51) and the second winding seat (55), respectively, and two plug posts (43) are symmetrically slidably inserted at the bottom of the connecting frame (41).

2. A water flow velocity measuring device according to claim 1, characterized in that: Slide grooves (11) are provided on both sides of the connecting plate (1), and the slide grooves (11) are connected after a plurality of groups of connecting plates (1) are unfolded.

3. A water flow velocity measuring device according to claim 2, characterized in that: The traction assembly (5) also includes a motor (52), and the first winding seat (51) and the second winding seat (55) are both internally provided with winding shafts rotatably mounted via bearings. The motor (52) is fixed to the top of the first winding seat (51), and the output end of the motor (52) is fixedly connected to the winding shaft in the first winding seat (51). Torsion springs are installed at both ends of the winding shaft of the second winding seat (55), and both ends of the traction rope (53) are wound on the winding shafts of the first winding seat (51) and the second winding seat (55).

4. A water flow velocity measuring device according to claim 3, characterized in that: A locking bolt (54) is threadedly inserted into one side of the first winding seat (51), and the locking bolt (54) can be pressed into contact with the sliding groove (11).

5. A water flow velocity measuring device according to claim 4, characterized in that: A sliding frame (56) is fixed on the surface of the traction rope (53), and convex strips (57) are fixed on both sides of the sliding frame (56), and the convex strips (57) slide along the inside of the sliding groove (11).

6. A water flow velocity measuring device according to claim 5, characterized in that: The speed measuring component (3) further comprises a limit frame (31), the limit frame (31) is fixed on one side of the sliding frame (56), the vertical plate (32) is slidably inserted into the limit frame (31), the limit frame (31) is located on the back side of the vertical plate (32) and is rotatably mounted with a lifting screw (33) via a bearing, and the top of the vertical plate (32) is threadedly sleeved on the surface of the lifting screw (33).

7. A water flow velocity measuring device according to claim 6, characterized in that: Scales are provided on the surfaces of the vertical plate (32) and the connecting plate (1).

8. A water flow velocity measuring device according to claim 1, characterized in that: The fixing assembly (4) further comprises an adjusting screw (42), the top of the connecting frame (41) is threadedly plugged with the adjusting screw (42), and the top of the adjusting screw (42) is rotatably connected to the transverse plates at the tops of the two plug posts (43), and the bottom of the plug posts (43) is fixed with a cone head (44).

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