Water flow velocity monitoring device for water and electricity reconnaissance

Abstract

The utility model provides a water flow rate monitoring device for hydroelectric exploration, which relates to the technical field of hydroelectric exploration, and adopts the technical scheme that an impeller is arranged on a rotating shaft, the rotating shaft is rotatably connected with a connecting plate, the connecting plate is provided with a second connecting block, the second connecting block is fixedly provided with a rotating speed sensor, and the rotating speed sensor is radially aligned with the rotating shaft; the rotating speed sensor is in communication connection with an external system; the upper end of the connecting plate is connected with a second moving block, the upper end of the second moving block is connected with a lifting device, the lifting device is connected with a moving platform through a vertical rod, and the moving platform is arranged on the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of hydropower exploration, in particular to a water flow rate monitoring device for hydropower exploration. Background Art

[0002] Water conservancy projects aim to make full use of water resources and prevent floods. They cover flood control, flood discharge, flood storage, irrigation, shipping and other hydraulic application projects. Given the variability and invisibility of water, we cannot directly observe the engineering environment. Therefore, in the implementation of water conservancy projects, monitoring of water flow velocity is particularly important. However, due to the complexity of water flow characteristics, the boundary layer, inner layer and outer layer of the same water flow often present different flow velocity characteristics. The flexibility of existing flow velocity monitoring equipment cannot meet actual needs when dealing with measurement requirements at different depths and basins of rivers.

[0003] The document with publication number CN111812352A discloses a new type of flow velocity detector for water conservancy measurement, including a horizontally arranged frame, four electric telescopic legs are fixedly installed on the lower end edge of the frame, and fixed nail plates are fixedly installed on the telescopic ends of the electric telescopic legs, and the lower end of the frame is provided with a flow velocity measuring mechanism and a flow velocity correction mechanism; the flow velocity measuring mechanism includes a rotating impeller horizontally arranged in the middle of the lower end of the frame, and a driving shaft is installed in the middle of the rotating impeller, and a spline shaft is integrally formed with the upper end of the driving shaft, and the spline shaft is inserted in the inner cavity of the sleeve shaft; after analysis, the disclosed technology can solve the problem of water flow velocity at different depths in the same measuring section, but because the design of the frame is not convenient for measuring different watersheds of the water flow, it has certain limitations. Utility Model Content

[0004] The utility model provides a water flow rate monitoring device for hydropower exploration, aiming to solve the problem that the prior art is inconvenient to measure the flow rates of rivers at different depths and basins.

[0005] The utility model provides the following technical solutions to achieve the above objectives:

[0006] A water flow rate monitoring device for hydropower exploration includes an impeller, which is arranged on a rotating shaft. The rotating shaft is rotatably connected to a connecting plate. A second connecting block is arranged on the connecting plate. A speed sensor is fixedly mounted on the second connecting block. The speed sensor is arranged radially aligned with the rotating shaft; the upper end of the connecting plate is connected to a second moving block, and the upper end of the second moving block is connected to a lifting device.

[0007] Furthermore, the lifting device includes a screw rod, the lower end of which is connected to the second moving block, the upper end of which is provided with a rotating knob, the screw rod is sleeved in a connecting ring, the connecting ring is provided at one end of a cross rod, and the other end of the cross rod is connected to the vertical rod.

[0008] Furthermore, the lifting device is connected to a mobile platform, and the mobile platform includes a first moving block arranged at the bottom end of the vertical rod, the bottom of the first moving block is fixedly connected to a sliding block, the sliding block is arranged in a sliding groove, and a front stop block and a rear stop block are respectively arranged at both ends of the sliding groove, the sliding groove is arranged on the top surface of the first connecting block, and a bottom plate is arranged on the bottom surface of the first connecting block.

[0009] Furthermore, the rotation speed sensor is communicatively connected with an external system, and the external system includes a controller, and the controller is arranged on the bottom plate, and a display screen is arranged on the controller.

[0010] Furthermore, a rack is provided on the side of the first moving block, the rack is meshed with a gear, the lower end face of the gear is coaxially connected to the first rotating shaft, a motor is provided at the lower end of the first rotating shaft, the lower end face of the motor is fixedly connected to the connecting seat, and the connecting seat is provided on the bottom plate.

[0011] Furthermore, a plurality of shock absorbing devices are arranged on the bottom surface of the bottom plate.

[0012] Furthermore, the shock absorbing device includes a first connecting column, the upper end of the first connecting column is connected to the base plate, the first connecting column is inserted into the cavity of the second connecting column, the lower end of the first connecting column is connected to the limit plate, the bottom surface of the limit plate is provided with a spring, and the spring and the lower end of the second connecting column are fixedly connected to the lower connecting plate.

[0013] Furthermore, a handle is provided on the side of the base plate.

[0014] Furthermore, a plurality of locking universal wheels are provided at the bottom of the lower connecting plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model facilitates monitoring of water flow rates at different depths of the river by arranging a lifting device.

[0017] 2. The utility model facilitates monitoring of water flow rates in different river basins by providing a mobile platform.

[0018] 3. The utility model eliminates the vibration effect caused by the impact of water flow on the device by arranging a shock absorbing device.

[0019] 4. The utility model is connected to the external system through the rotation speed sensor to directly obtain the water flow rate monitoring data.

[0020] 5. The utility model facilitates the movement of the monitoring device by providing locking universal wheels and handles. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 for Figure 1 Schematic diagram of the structure of the middle A area;

[0024] Figure 3 for Figure 1 Schematic diagram of the structure of the middle B area;

[0025] Figure 4 is a schematic diagram of the cross-sectional structure of the shock absorbing device;

[0026] Figure 5 It is a structural diagram of the controller of the utility model;

[0027] Figure 6 It is a schematic diagram of the arrangement of the shock absorbing device of the utility model;

[0028] Figure markings: 1-base plate; 2-locking universal wheel; 3-handle; 4-first connecting block; 5-sliding groove; 6-front block; 7-rear block; 8-first moving block; 9-vertical rod; 10-cross bar; 11-screw; 12-turn knob; 13-second moving block; 14-connecting plate; 15-rotating shaft; 16-impeller; 17-rack; 18-gear; 19-first rotating shaft; 20-motor; 21-connecting seat; 22-second connecting block; 23-speed sensor; 24-controller; 25-display screen; 26-connecting ring; 27-lower connecting plate; 28-second connecting column; 29-cavity; 30-spring; 31-limiting plate; 32-first connecting column. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention.

[0030] It should be noted that in the present invention: the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or apparatuses; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are based on the directions or positional relationships shown in the drawings. These The terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation; the terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence; the terms "install", "set", "provided with", "connected", "connected", "sleeved", etc. should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements or components. In addition, some terms can be used to express other meanings in addition to indicating orientation or positional relationships. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For ordinary technicians in this field, the specific meanings of these terms in the utility model can be understood according to specific circumstances.

[0031] Embodiment 1. A water flow rate monitoring device for hydropower survey, the structure of which is as follows: Figures 1 to 6 , including an impeller 16, the impeller 16 is arranged on the rotating shaft 15, the rotating shaft 15 is rotatably connected with the connecting plate 14, the connecting plate 14 is provided with a second connecting block 22, a speed sensor 23 is fixedly mounted on the second connecting block 22, the speed sensor 23 is arranged radially aligned with the rotating shaft 15, and the speed sensor 23 is connected to the external system for communication; the upper end of the connecting plate 14 is connected to the second moving block 13, the upper end of the second moving block 13 is connected to the lifting device, the lifting device is connected to the moving platform through the vertical rod 9, and the moving platform is arranged on the bottom plate 1. The second connecting block 22 is moved to the required measuring water area through the moving platform, the second connecting block 22 is lowered through the lifting device, the appropriate measuring depth is selected according to the measuring needs, and the impeller 16 is submerged in the water, and the water flow rate monitoring is started.

[0032] The lifting device includes a screw rod 11, the lower end of the screw rod 11 is connected to the second moving block 13, the upper end of the screw rod 11 is provided with a rotating knob 12, the screw rod 11 is sleeved in a connecting ring 26, the connecting ring 26 is provided at one end of the cross bar 10, and the other end of the cross bar 10 is connected to the vertical rod 9. Through the connecting ring 26 fixedly connected to one end of the cross bar 10, the screw rod 11 sleeved in the connecting ring 26, the second moving block 22 sleeved on the lower side of the screw rod 11 and the rotating knob 12 fixedly connected to the upper end surface of the screw rod 11, the rotating knob 12 drives the screw rod 11 to rotate, and the screw rod 11 drives the second moving block 22 to move downward.

[0033] The mobile platform includes a first moving block 8 arranged at the bottom end of a vertical rod 9, a sliding block is fixedly connected to the bottom of the first moving block 8, the sliding block is arranged in a sliding groove 5, a front stopper 6 and a rear stopper 7 are arranged at both ends of the sliding groove 5, the sliding groove 5 is arranged on the top surface of the first connecting block 4, and a bottom plate 1 is arranged on the bottom surface of the first connecting block 4. The sliding groove 5 and the first moving block 8 are arranged to realize the movement of the monitoring device on the horizontal plane, and the front stopper 6 and the rear stopper 7 are arranged to achieve the limiting effect of the first moving block 8, so as to prevent the first moving block 8 from being separated from the sliding groove 5.

[0034] The external system includes a controller 24, which is arranged on the bottom plate 1 and has a display screen 25. The rotation speed sensor 23 is connected to the external system for convenient and direct acquisition of water flow rate monitoring data.

[0035] A rack 17 is provided on the side of the first moving block 8, and the rack 17 is meshed with a gear 18, and the lower end face of the gear 18 is coaxially connected to a first rotating shaft 19, and a motor 20 is provided at the lower end of the first rotating shaft 19, and the lower end face of the motor 20 is fixedly connected to a connecting seat 21, and the connecting seat 21 is provided on the bottom plate 1. The gear 18 is driven by the motor 20 to make the rack 17 start to move, so that the monitoring device can be moved on the horizontal plane.

[0036] Embodiment 2. This embodiment is further improved on the basis of embodiment 1, and a plurality of shock absorbing devices are provided on the bottom surface of the bottom plate 1. The shock absorbing device comprises a first connecting column 32, the upper end of which is connected to the bottom plate 1, the first connecting column 32 is inserted into the cavity 29 of the second connecting column 28, the lower end of the first connecting column 32 is connected to the limit plate 31, the bottom surface of the limit plate 31 is provided with a spring 30, and the spring 30 and the lower end of the second connecting column 28 are fixedly connected to the lower connecting plate 27. The shock absorbing device is provided to eliminate the vibration effect caused by the impact of water flow on the device.

[0037] A handle 3 is provided on the side of the bottom plate 1. A plurality of locking universal wheels 2 are provided at the bottom of the lower connecting plate 27. The locking universal wheels 2 and the handle 3 facilitate the mobile monitoring device.

[0038] Obviously, the above is only a part of the embodiments of the utility model, not all of the embodiments. The above embodiments are not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any combination, modification, equivalent replacement, improvement and all other embodiments that can be made by ordinary technicians in the field within the spirit and principle of the utility model should be within the protection scope of the utility model.

Claims

1. A water flow rate monitoring device for hydropower survey, characterized in that: The invention comprises an impeller (16), wherein the impeller (16) is arranged on a rotating shaft (15), the rotating shaft (15) is rotatably connected to a connecting plate (14), a second connecting block (22) is arranged on the connecting plate (14), a rotation speed sensor (23) is fixedly mounted on the second connecting block (22), and the rotation speed sensor (23) is arranged to be radially aligned with the rotating shaft (15); the upper end of the connecting plate (14) is connected to a second moving block (13), and the upper end of the second moving block (13) is connected to a lifting device.

2. The water flow rate monitoring device for hydropower exploration according to claim 1 is characterized in that: The lifting device comprises a screw rod (11), the lower end of the screw rod (11) is connected to a second moving block (13), the upper end of the screw rod (11) is provided with a rotating knob (12), the screw rod (11) is sleeved in a connecting ring (26), the connecting ring (26) is provided at one end of a cross rod (10), and the other end of the cross rod (10) is connected to a vertical rod (9).

3. The water flow rate monitoring device for hydropower exploration according to claim 1 is characterized in that: The lifting device is connected to a mobile platform, and the mobile platform comprises a first moving block (8) arranged at the bottom end of a vertical rod (9), the bottom of the first moving block (8) is fixedly connected to a sliding block, the sliding block is arranged in a sliding groove (5), and the two ends of the sliding groove (5) are respectively provided with a front stopper (6) and a rear stopper (7), the sliding groove (5) is arranged on the top surface of the first connecting block (4), and the bottom surface of the first connecting block (4) is provided with a bottom plate (1).

4. The water flow rate monitoring device for hydropower exploration according to claim 1 is characterized in that: The rotation speed sensor (23) is communicatively connected to an external system, the external system comprises a controller (24), the controller (24) is arranged on the base plate (1), and a display screen (25) is arranged on the controller (24).

5. The water flow rate monitoring device for hydropower exploration according to claim 3 is characterized in that: A rack (17) is provided on the side of the first moving block (8), the rack (17) is meshingly connected with a gear (18), the lower end surface of the gear (18) is coaxially connected with a first rotating shaft (19), a motor (20) is provided at the lower end of the first rotating shaft (19), the lower end surface of the motor (20) is fixedly connected to a connecting seat (21), and the connecting seat (21) is provided on the bottom plate (1).

6. The device for monitoring water flow rate for hydropower exploration according to claim 3, characterized in that: The bottom surface of the bottom plate (1) is provided with a plurality of shock absorbing devices.

7. The device for monitoring the flow rate of water used in hydropower exploration according to claim 6, characterized in that: The shock absorbing device comprises a first connecting column (32), the upper end of the first connecting column (32) is connected to the bottom plate (1), the first connecting column (32) is inserted into the cavity (29) of the second connecting column (28), the lower end of the first connecting column (32) is connected to the limit plate (31), the bottom surface of the limit plate (31) is provided with a spring (30), and the spring (30) and the lower end of the second connecting column (28) are fixedly connected to the lower connecting plate (27).

8. The device for monitoring the flow rate of water used for hydropower exploration according to any one of claims 3 to 7, characterized in that: A handle (3) is provided on the side of the bottom plate (1).

9. The device for monitoring water flow rate for hydropower exploration according to claim 7, characterized in that: A plurality of locking universal wheels (2) are arranged at the bottom of the lower connecting plate (27).

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