Intelligent flow measurement station

Abstract

The utility model relates to an intelligent flow measuring station which comprises a flow measuring cabinet, a base installed on the bottom face of the flow measuring cabinet, a swing arm installed on the base and capable of being driven by a power mechanism to swing and adjust, a stretching flow measuring frame installed on the swing arm, and an electric door arranged on the flow measuring cabinet and capable of being automatically opened and closed and allowing the stretching flow measuring frame to stretch out. The stretching flow measuring frame comprises a horizontal multi-stage automatic telescopic frame and a longitudinal multi-stage telescopic frame, the horizontal multi-stage automatic telescopic frame is installed on the swing arm, the longitudinal multi-stage telescopic frame is installed on the horizontal multi-stage automatic telescopic frame, and the flow measuring device is installed on the longitudinal multi-stage telescopic frame. The foldable telescopic design is adopted, the occupied space is small, multiple measurement modes are integrated, the integration degree is high, and measurement is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrological measurement, in particular to an intelligent flow measurement station. Background Art

[0002] The measurement of river channel flow is an important part of hydrological work, involving various aspects such as flood control and disaster reduction, hydrological and hydraulic calculations, and water resources evaluation. Especially in the flood control field, it plays a crucial role in flood control and disaster reduction and protecting people's lives and property.

[0003] Patent Application No. 202020454239.7 discloses a retractable flow measurement station for a hydrological station building, including a station building, a control box, a suspension rod, a radar sensor, and a storage battery; wherein there is a control box and a storage battery in the station building, and an RTU, a power controller, and a wireless communication module are provided in the control box; a vertical rod is provided at the upper end of the station building, the suspension rod is arranged on the vertical rod, one end of the suspension rod is connected to the vertical rod, and the other end extends into the upper end of the river. A sensor mounting seat is provided at the end of the suspension rod extending above the river, and a radar sensor is provided on the sensor mounting seat. This case utilizes the existing station building, with a simple structure, convenient installation, and easy to promote and apply. By controlling the servo motor, the sensor mounting seat can be moved to the shore for maintenance, reducing the difficulty of maintenance.

[0004] The support part of the flow measurement structure disclosed in Patent Application No. 202020454239.7 includes a vertical rod and a suspension rod, and neither the vertical rod nor the suspension rod can be telescopically adjusted, resulting in a large occupied space of its structure; at the same time, only based on one flow measurement method of the radar sensor, the measurement accuracy needs to be improved.

[0005] Based on the above technical problems, the applicant has designed and developed an intelligent flow measurement station and a flow measurement method, which adopt a retractable, foldable and telescopic design, occupy a small space, integrate multiple measurement methods, have a high integration degree, and are accurately measured. Summary of the Utility Model

[0006] The utility model aims at the deficiencies of the prior art and provides an intelligent flow measurement station.

[0007] The utility model provides an intelligent flow measurement station, including a flow measurement cabinet, a base is installed on the bottom surface of the flow measurement cabinet, a swing arm driven by a power mechanism to swing and adjust is installed on the base, an extended flow measurement frame is installed on the swing arm, and an electric door that can be automatically opened and closed and allows the extended flow measurement frame to extend is provided on the flow measurement cabinet; the extended flow measurement frame includes a horizontal multi-stage automatic telescopic frame and a vertical multi-stage telescopic frame, the horizontal multi-stage automatic telescopic frame is installed on the swing arm, the vertical multi-stage telescopic frame is installed on the horizontal multi-stage automatic telescopic frame, and a flow measurement device is installed on the vertical multi-stage telescopic frame.

[0008] Preferably, the horizontal multi-stage automatic telescopic frame includes multi-stage horizontally telescopic arms that can telescopically slide relative to each other. The horizontal multi-stage automatic telescopic frame is switched between the deployed state and the retracted state through the cooperation of the multi-stage horizontal telescopic arms. The first-stage horizontal telescopic arm is fixedly connected to the swing arm, and a connecting seat is installed on the last-stage horizontal telescopic arm.

[0009] Preferably, the longitudinal multi-stage telescopic frame includes multi-stage longitudinally telescopic arms that can telescopically slide relative to each other. The longitudinal multi-stage telescopic frame is switched between the deployed state and the retracted state through the cooperation of the multi-stage longitudinal telescopic arms. A driving mechanism for driving the longitudinal multi-stage telescopic frame to deploy or retract is installed on the last-stage horizontal telescopic arm; the first-stage longitudinal telescopic arm is fixedly connected to the connecting seat, and the flow measurement device is installed on the last-stage longitudinal telescopic arm.

[0010] Preferably, the driving mechanism includes an electric wire winding disc fixedly installed on the last-stage horizontal telescopic arm, a guiding fixed pulley for guiding is installed on the top surface of the connecting seat, and the traction rope on the electric wire winding disc bypasses the guiding fixed pulley and is connected to the last-stage longitudinal telescopic arm.

[0011] Preferably, in order to realize the step-by-step deployment and step-by-step retraction of the multi-stage longitudinal telescopic arms, Z-shaped limiting plates are fixedly installed on each stage of the longitudinal telescopic arm except the first-stage longitudinal telescopic arm, limiting blocks are fixedly installed at the lower ends of each stage of the longitudinal telescopic arm except the last-stage longitudinal telescopic arm, vertical sliding grooves are provided on the side walls of each stage of the longitudinal telescopic arm, and the limiting blocks are arranged at the ends of the corresponding vertical sliding grooves; the other ends of each Z-shaped limiting plate are slidably connected to the vertical sliding grooves of the previous-stage longitudinal telescopic arm and are limited by the limiting blocks at the ends; the inclined surfaces of the multiple Z-shaped limiting plates can be abutted and limited to realize the step-by-step lifting of the longitudinal telescopic arms from bottom to top. When the traction rope of the electric wire winding disc is released, the multi-stage longitudinal telescopic arms will be deployed step by step under the action of gravity, and the flow measurement device is put into the water and the water depth of the flow measurement device is adjusted through the telescopic adjustment of the multi-stage longitudinal telescopic arms. When the traction rope of the electric wire winding disc is wound, first the last-stage longitudinal telescopic arm rises. When the Z-shaped limiting plate of the last-stage longitudinal telescopic arm abuts against the Z-shaped limiting plate of the previous-stage longitudinal telescopic arm, the previous-stage longitudinal telescopic arm is driven to rise synchronously under the limiting action of the Z-shaped limiting plate, and so on, realizing the step-by-step retraction of the multi-stage longitudinal telescopic arms from bottom to top.

[0012] Preferably, the power mechanism is a hydraulic cylinder. One end of the swing arm is hinged to the base, the cylinder body of the hydraulic cylinder is hinged to the base, and the piston rod of the hydraulic cylinder is hinged to the other end of the swing arm. A hydraulic pump is installed on the bottom surface of the flow measurement cabinet. The swing arm is driven by the hydraulic cylinder to swing and adjust. When measuring the flow, the swing arm is adjusted to the horizontal state, and the corresponding horizontal multi-stage automatic telescopic frame is also in the horizontal state. When the flow measurement is completed and the horizontal multi-stage automatic telescopic frame is retracted, the swing arm is adjusted to the vertical state, and the corresponding horizontal multi-stage automatic telescopic frame is also in the vertical state. After the horizontal multi-stage automatic telescopic frame is changed from the horizontal state to the vertical state, the extended flow measurement frame is completely stored in the flow measurement cabinet.

[0013] Preferably, an outwardly extending mounting rod is installed on the top surface of the flow measurement cabinet, and a radar flow velocity meter and a camera are fixedly installed on the mounting rod.

[0014] Preferably, the flow measurement device includes a vertical rod fixed to the last-stage longitudinal telescopic arm through a bracket, and an electromagnetic flow velocity meter, an ultrasonic flow meter and a mud level meter are installed at the lower end of the vertical rod.

[0015] Preferably, in order to improve the stability of the horizontal multi-stage automatic telescopic frame after it is unfolded, a suspension device is installed in the flow measurement cabinet. The suspension device includes a fixed seat fixed on the top surface of the flow measurement cabinet and a counterweight located below the fixed seat and adaptively lifted and adjusted according to the expansion and contraction of the horizontal multi-stage automatic telescopic frame. The fixed seat and the counterweight are connected by a traction mechanism. The traction mechanism includes a pull rope and a fixed pulley group. The pull rope bypasses the fixed pulley group. The head end of the pull rope is connected to the fixed seat, and the tail end of the pull rope is connected to the last-stage horizontal telescopic arm. The fixed pulley group includes a plurality of upper fixed pulleys installed on the fixed seat and a plurality of lower fixed pulleys installed on the counterweight seat. When the horizontal multi-stage automatic telescopic frame is unfolded, the counterweight will be pulled up by the pull rope. When the horizontal multi-stage automatic telescopic frame is gradually retracted, the counterweight will gradually descend by gravity.

[0016] Preferably, in order to facilitate the transfer of the flow measurement station, the flow measurement cabinet is installed on a chassis, and walking wheels are installed on the chassis.

[0017] Preferably, in order to facilitate power supply, a solar panel is installed on the top surface of the flow measurement cabinet.

[0018] The beneficial effects of the present utility model are as follows:

[0019] 1. Adopting a retractable and foldable design that can be stored, it occupies a small space, integrates multiple measurement methods, has a high integration degree, and accurate measurement.

[0020] 2. By using the horizontal multi-stage automatic telescopic frame and the longitudinal multi-stage telescopic frame in cooperation, the measurement position and measurement depth can be adjusted, and the adjustment is flexible and convenient. Description of the Drawings

[0021] Figure 1This is the three-dimensional external view of the flow measurement station of the present utility model;

[0022] Figure 2 This is the front view of the internal structure of the flow measurement cabinet of the present utility model;

[0023] Figure 3 This is the three-dimensional view of the internal structure of the flow measurement cabinet of the present utility model;

[0024] Figure 4 is Figure 2 the partial enlarged structural schematic diagram at position A in

[0025] Figure 5 is Figure 3 the partial enlarged structural schematic diagram at position B in

[0026] Figure 6 This is the front view of the retracted state of the extended flow measurement rack of the present utility model;

[0027] Figure 7 This is the three-dimensional view of the retracted state of the extended flow measurement rack of the present utility model;

[0028] Figure 8 is Figure 6 the partial enlarged structural schematic diagram at position C in

[0029] Figure 9 This is the front view of the deployed state of the horizontal multi-stage automatic telescopic rack of the present utility model;

[0030] Figure 10 This is the front view when both the horizontal multi-stage automatic telescopic rack and the longitudinal multi-stage telescopic rack of the present utility model are deployed;

[0031] Figure 11 is Figure 10 the partial enlarged structural schematic diagram at position D in

[0032] As shown in the figure:

[0033] 1. Flow measurement cabinet, 2. Electric door, 4. Solar panel, 5. Installation rod, 6. Camera, 7. Radar current meter, 8. Pull rope, 9. Fixed seat, 10. Upper fixed pulley, 11. Lower fixed pulley, 12. Last-stage horizontal telescopic arm, 13. Counterweight, 14. Horizontal multi-stage automatic telescopic rack, 15. Swing arm, 16. Hydraulic cylinder, 17. Base, 18. Hydraulic pump, 19. Chassis, 20. Electric wire reel, 21. Traction rope, 22. Guide fixed pulley, 23. Connecting seat, 24. First-stage longitudinal telescopic arm, 25. Vertical sliding groove, 26. Limit block, 28. Bracket, 27. Last-stage longitudinal telescopic arm, 28. Bracket, 29. Vertical rod, 30. Electromagnetic current meter, 31. Ultrasonic flowmeter, 32. Mud level gauge, 33. Z-shaped limit plate, 34. First-stage horizontal telescopic arm. Detailed implementation mode

[0034] To clearly illustrate the technical features of this solution, the following will elaborate on this solution through specific implementation manners.

[0035] As Figure 1-11 shown, the utility model includes a flow measurement cabinet 1. A base 17 is installed on the bottom surface of the flow measurement cabinet 1. An oscillating arm 15 that can be swung and adjusted by a power mechanism is installed on the base 17. An extended flow measurement rack is installed on the oscillating arm 15. An electric door 2 that can be automatically opened and closed and through which the extended flow measurement rack can extend is provided on the flow measurement cabinet 1. The extended flow measurement rack includes a horizontal multi-stage automatic telescopic rack 14 and a longitudinal multi-stage telescopic rack. The horizontal multi-stage automatic telescopic rack 14 is installed on the oscillating arm 15. The longitudinal multi-stage telescopic rack is installed on the horizontal multi-stage automatic telescopic rack 14. The flow measurement device is installed on the longitudinal multi-stage telescopic rack.

[0036] The horizontal multi-stage automatic telescopic rack 14 includes multi-stage horizontally telescopic arms that can relatively telescopically slide. Through the cooperation of the multi-stage horizontal telescopic arms, the horizontal multi-stage automatic telescopic rack 14 is switched between the deployed state and the retracted state. The first-stage horizontal telescopic arm 34 is fixedly connected to the oscillating arm 15. A connecting seat 23 is installed on the last-stage horizontal telescopic arm 12. The horizontal multi-stage automatic telescopic rack 14 adopts an existing structural form.

[0037] The longitudinal multi-stage telescopic rack includes multi-stage longitudinally telescopic arms that can relatively telescopically slide. Through the cooperation of the multi-stage longitudinal telescopic arms, the longitudinal multi-stage telescopic rack is switched between the deployed state and the retracted state. A driving mechanism for driving the longitudinal multi-stage telescopic rack to deploy or retract is installed on the last-stage horizontal telescopic arm 12. The first-stage longitudinal telescopic arm 24 is fixedly connected to the connecting seat 23. The flow measurement device is installed on the last-stage longitudinal telescopic arm 27.

[0038] The driving mechanism includes an electric wire winding disc 20 fixedly installed on the last-stage horizontal telescopic arm 12. A guiding fixed pulley 22 for guiding is installed on the top surface of the connecting seat 23. The towing rope 21 on the electric wire winding disc 20 bypasses the guiding fixed pulley 22 and is connected to the last-stage longitudinal telescopic arm 27.

[0039] Furthermore, in order to realize the step-by-step deployment and step-by-step retraction of the multi-stage longitudinal telescopic arms, as Figure 8As shown, Z-shaped limit plates 33 are fixedly installed on each stage of the longitudinal telescopic arm except the first-stage longitudinal telescopic arm 24. Limit blocks 26 are fixedly installed at the lower ends of each stage of the longitudinal telescopic arm except the last-stage longitudinal telescopic arm 27. Vertical sliding grooves 25 are provided on the side walls of each stage of the longitudinal telescopic arm, and the limit blocks 26 are arranged at the ends of the corresponding vertical sliding grooves 25. The other end of each Z-shaped limit plate 33 is slidably connected to the vertical sliding groove 25 of the previous-stage longitudinal telescopic arm and is limited by the limit block 26 at the end. The inclined surfaces of the multiple Z-shaped limit plates 33 can be abutted and limited to realize the step-by-step lifting of the longitudinal telescopic arms from bottom to top. When the towing rope 21 of the electric winding reel 20 is released, the multi-stage longitudinal telescopic arms will be gradually unfolded under the action of gravity, and the flow measurement device is put into the water and the water depth of the flow measurement device is adjusted by the telescopic adjustment of the multi-stage longitudinal telescopic arms. When the towing rope 21 of the electric winding reel 20 is wound up, first the last-stage longitudinal telescopic arm 27 rises. When the Z-shaped limit plate 33 of the last-stage longitudinal telescopic arm 27 abuts against the Z-shaped limit plate 33 of the previous-stage longitudinal telescopic arm, the previous-stage longitudinal telescopic arm is driven to rise synchronously under the limiting action of the Z-shaped limit plate 33, and so on, realizing the step-by-step retraction of the multi-stage longitudinal telescopic arms from bottom to top.

[0040] In this embodiment, the power mechanism is a hydraulic cylinder 16. One end of the swing arm 15 is hinged to the base 17, the cylinder body of the hydraulic cylinder 16 is hinged to the base 17, and the piston rod of the hydraulic cylinder 16 is hinged to the other end of the swing arm 15. A hydraulic pump 18 is installed on the bottom surface of the flow measurement cabinet 1. The swing arm 15 is driven by the hydraulic cylinder 16 to swing and adjust. When measuring the flow, the swing arm 15 is adjusted to a horizontal state, and the corresponding horizontal multi-stage automatic telescopic frame 14 is also in a horizontal state. When the flow measurement is completed and the horizontal multi-stage automatic telescopic frame 14 is retracted, the swing arm 15 is adjusted to a vertical state, and the corresponding horizontal multi-stage automatic telescopic frame 14 is also in a vertical state. After the horizontal multi-stage automatic telescopic frame 14 is changed from the horizontal state to the vertical state, the extended flow measurement frame is completely received into the flow measurement cabinet 1.

[0041] In this embodiment, in order to facilitate the transfer of the flow measurement station, the flow measurement cabinet 1 is installed on the chassis 19, and traveling wheels are installed on the chassis 19.

[0042] In this embodiment, in order to facilitate power supply, a solar panel 4 is installed on the top surface of the flow measurement cabinet 1.

[0043] In this embodiment, an outwardly extending mounting rod 5 is installed on the top surface of the flow measurement cabinet 1, and a radar flow velocity meter 7 and a camera 6 are fixedly installed on the mounting rod 5.

[0044] In this embodiment, the flow measurement device includes a vertical rod 29 fixed to the last-stage longitudinal telescopic arm 27 through a bracket 28, and an electromagnetic flow velocity meter 30, an ultrasonic flow meter 31 and a mud level gauge 32 are installed at the lower end of the vertical rod 29.

[0045] In this embodiment, in order to improve the stability of the horizontally multi-stage automatic telescopic frame 14 after deployment, a suspension device is installed in the flow measurement cabinet 1, such as Figure 4 , 5 shown. The suspension device includes a fixed seat 9 fixed on the top surface of the flow measurement cabinet 1 and a counterweight 13 located below the fixed seat 9 and adjusted adaptively up and down according to the telescopic movement of the horizontally multi-stage automatic telescopic frame 14. The fixed seat 9 and the counterweight 13 are connected by a traction mechanism. The traction mechanism includes a pulling rope 8 and a fixed pulley group. The pulling rope 8 bypasses the fixed pulley group. The head end of the pulling rope 8 is connected to the fixed seat 9, and the tail end of the pulling rope 8 is connected to the last-stage horizontal telescopic arm 12. The fixed pulley group includes a plurality of upper fixed pulleys 10 installed on the fixed seat 9 and a plurality of lower fixed pulleys 11 installed on the counterweight seat. When the horizontally multi-stage automatic telescopic frame 14 is deployed, the counterweight 13 will be pulled up by the pulling rope 8. When the horizontally multi-stage automatic telescopic frame 14 is gradually retracted, the counterweight 13 will gradually descend by relying on gravity.

[0046] The flow measurement method of the above intelligent flow measurement station includes the following operation steps:

[0047] (1) The electric door 2 is opened, the swing arm 15 swings and adjusts the horizontally multi-stage automatic telescopic frame 14 to a horizontal state;

[0048] (2) The horizontally multi-stage automatic telescopic frame 14 is gradually deployed to adjust the distance between the longitudinally multi-stage telescopic frame and the shore;

[0049] (3) The longitudinally multi-stage telescopic frame is gradually deployed to realize the entry of the flow measurement device into the water and adjust the water depth of the flow measurement device;

[0050] (4) After the measurement is completed, the longitudinally multi-stage telescopic frame is gradually retracted, and then the horizontally multi-stage automatic telescopic frame 14 is gradually retracted;

[0051] (5) The swing arm 15 swings to adjust the horizontally multi-stage automatic telescopic frame 14 from the horizontal state to the vertical state and completely retracts the extended flow measurement frame into the flow measurement cabinet 1, and the electric door 2 is closed.

[0052] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be realized by or adopted the existing technology, and will not be elaborated here; the above embodiments and drawings are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. The present invention has been described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that any changes, modifications, additions or substitutions made by those of ordinary skill in the art within the scope of the essence of the present invention do not depart from the purpose of the present invention and should also fall within the scope of the claims of the present invention.

Claims

1. An intelligent flow measuring station, characterized in that: The utility model comprises a flow measuring cabinet, a base is installed on the bottom surface of the flow measuring cabinet, a swing arm driven by a power mechanism and capable of swinging and adjusting is installed on the base, an extendable flow measuring frame is installed on the swing arm, and an electric door which can be automatically opened and closed and for the extendable flow measuring frame to be extended is provided on the flow measuring cabinet; the extendable flow measuring frame comprises a horizontal multi-stage automatic telescopic frame and a longitudinal multi-stage telescopic frame, the horizontal multi-stage automatic telescopic frame is installed on the swing arm, the longitudinal multi-stage telescopic frame is installed on the horizontal multi-stage automatic telescopic frame, and the flow measuring device is installed on the longitudinal multi-stage telescopic frame.

2. An intelligent flow measuring station according to claim 1, characterized in that: The horizontal multi-stage automatic telescopic frame comprises a multi-stage horizontal telescopic arm which can telescope and slide relatively, the first stage horizontal telescopic arm is fixedly connected to the swing arm, and a connecting seat is installed on the last stage horizontal telescopic arm.

3. An intelligent flow measuring station according to claim 2, characterized in that: The longitudinal multi-stage telescopic frame includes multiple stages of longitudinal telescopic arms that can telescope and slide relative to each other. A driving mechanism for driving the longitudinal multi-stage telescopic frame to unfold or fold is installed on the last stage horizontal telescopic arm; the first stage longitudinal telescopic arm is fixedly connected to the connecting seat, and the flow measuring device is installed on the last stage longitudinal telescopic arm.

4. The intelligent flow measuring station according to claim 3, characterized in that: The driving mechanism comprises an electric winding drum fixedly mounted on the last level horizontal telescopic arm, a guide fixed pulley for guiding is mounted on the top surface of the connecting seat, and a traction rope on the electric winding drum is connected to the last level longitudinal telescopic arm after passing around the guide fixed pulley.

5. The intelligent flow measuring station according to claim 4, characterized in that: A Z-shaped limit plate is fixedly installed on each level of longitudinal telescopic arms except the first level, a limit block is fixed on the lower end of each level of longitudinal telescopic arms except the last level, a vertical slide groove is provided on the side wall of each level of longitudinal telescopic arms, and the limit block is arranged at the end of the corresponding vertical slide groove; the other end of each Z-shaped limit plate is slidably connected to the vertical slide groove of the previous level of longitudinal telescopic arms and is limited by the limit block at the end; the inclined surfaces of multiple Z-shaped limit plates can be close to the limit to realize the step-by-step lifting of the longitudinal telescopic arms from bottom to top.

6. The intelligent flow measuring station according to claim 1, characterized in that: The power mechanism is a hydraulic cylinder, one end of the swing arm is hinged to the base, the cylinder body of the hydraulic cylinder is hinged to the base, and the piston rod of the hydraulic cylinder is hinged to the other end of the swing arm; a hydraulic pump is installed on the bottom surface of the flow measuring cabinet.

7. The intelligent flow measuring station according to claim 1, characterized in that: An outwardly extending mounting rod is installed on the top surface of the flow measuring cabinet, and a radar flow meter and a camera are fixedly installed on the mounting rod.

8. The intelligent flow measuring station according to claim 3, characterized in that: The flow measuring device comprises a vertical pole fixed on the last-stage longitudinal telescopic arm through a bracket, and an electromagnetic flow meter, an ultrasonic flow meter and a mud level meter are installed at the lower end of the vertical pole.

9. The intelligent flow measuring station according to claim 1, characterized in that: A suspension device is installed in the flow measuring cabinet, and the suspension device includes a fixed seat fixed on the top surface of the flow measuring cabinet and a counterweight block located below the fixed seat and adaptively lifting and lowering and adjusting according to the telescopic movement of the horizontal multi-stage automatic telescopic frame. The fixed seat and the counterweight block are connected by a traction mechanism, and the traction mechanism includes a pull rope and a fixed pulley block. The pull rope passes around the fixed pulley block, the head end of the pull rope is connected to the fixed seat, and the end of the pull rope is connected to the last-stage horizontal telescopic arm; the fixed pulley block includes a plurality of upper fixed pulleys installed on the fixed seat and a plurality of lower fixed pulleys installed on the counterweight seat.

Images