Automatic lifting hydraulic dam with water level monitoring function

Abstract

The utility model belongs to the technical field of hydraulic dams, in particular to an automatic lifting hydraulic dam with a water level monitoring function, which comprises a base and a dam body, a monitoring device is arranged on the outer surface of the base, the monitoring device comprises an ultrasonic sensor, the ultrasonic sensor monitors the distance between the water surface and the dam body, and the distance between the water surface and the dam body is monitored by arranging a fixing device. A dam body is fixed, a motor drives rotating frames to rotate, the outer surfaces of the two rotating frames are rotationally connected with a synchronous belt through synchronous wheels, the two rotating frames can rotate synchronously, the rotating frames rotate to drive fixed arc plates to rotate through limiting grooves, and due to the fact that the fixed arc plates are slidably connected with a base in an inserted mode and limited, the fixed arc plates only move relative to the base; the fixed arc plate and the rubber layer are fixedly installed, the rubber layer makes contact with the dam body after the fixed arc plate moves, and direct friction between the fixed arc plate and the dam body can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic dam technical field especially, it relates to a kind of automatic lifting hydraulic dam with water level monitoring. BACKGROUND

[0002] Hydraulic dam, also known as hydraulic concrete lifting dam, is a kind of emerging movable dam technology in recent years, hydraulic dam appearance is beautiful, can be used for landscape waterfall, also solve the defects of traditional movable dam, it has the function of water retaining and flood releasing, hydraulic dam due to its own advantages and high cost performance, it is applied in many water conservancy projects, mainly applied in farmland irrigation, aquaculture, seawater tide blocking, landscape river engineering and small hydropower station and other fields.

[0003] The Chinese patent with the authorization announcement number CN221441437U discloses an automatic lifting hydraulic dam with water level monitoring, which comprises a base, a rotating frame one and a water level monitoring mechanism; the base: a rotating groove in the middle part is rotatably connected with a dam face through a rotating shaft one, and the right side surface of the dam face is respectively provided with a rotating frame two; the rotating frame one: it is respectively located on the right side of the base, and the inside of the rotating frame one is rotatably connected with a rotating block one through a rotating shaft two, the surface of the rotating block one is provided with a hydraulic rod, the extension end upper end of the hydraulic rod is provided with a rotating block two, and the rotating block two is rotatably connected with the adjacent rotating frame two through a rotating shaft three; the water level monitoring mechanism: it is arranged on the upper end of the dam face; the automatic lifting hydraulic dam with water level monitoring, the contact position of the water level monitoring component and the liquid surface always maintains a horizontal state, reduces the influence of the rotation of the dam face of the hydraulic dam on the water level monitoring component, ensures the accuracy of the water level monitoring result, automatically controls the lifting of the hydraulic dam when the water level is too high, and the use of the hydraulic dam is more convenient.

[0004] But the above scheme when using hydraulic dam, the angle of the rotating plate is monitored by angle sensor, the water level height at this time is calculated by PLC controller, the flow or fluctuation of liquid is large, the angle of the rotating plate will be unstable due to the influence of water flow, which leads to inaccurate reading of angle sensor, and when the dam body rotates and is affected by uneven water pressure or external force, the dam body is inclined or unbalanced, and this unstable state will have adverse effects on the structure of the dam body, so a kind of automatic lifting hydraulic dam with water level monitoring is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to solve the technical problem that the angle of the rotating plate will be unstable due to the influence of water flow when using hydraulic dam, which leads to inaccurate reading of angle sensor, and when the dam body rotates and is affected by uneven water pressure or external force, which will have adverse effects on the structure of the dam body, the present application provides an automatic lifting hydraulic dam with water level monitoring.

[0006] The utility model provides a kind of automatic lifting hydraulic dam with water level monitoring, including base and dam body, the outer surface of base is provided with monitoring device, the monitoring device includes ultrasonic sensor, the distance between the water surface and ultrasonic sensor is monitored.

[0007] The outer surface of base is provided with fixing device, the fixing device includes fixed arc plate, and the relative movement of fixed arc plate fixes the dam body.

[0008] Preferably, the monitoring device further includes a hydraulic cylinder, which is rotatably connected to the outer surface of the base.

[0009] Through the above technical solution, the hydraulic cylinder is rotatably connected to the base, which can be fixed while not affecting its deflection, allowing the hydraulic cylinder to produce appropriate deflection when pushing the dam body up and down.

[0010] Preferably, one end of the piston rod of the hydraulic cylinder is rotatably connected to the outer surface of the dam body, and a triangular frame is fixedly installed on the outer surface of the base. The outer surface of the dam body is rotatably connected to the inner wall of the groove of the triangular frame and the inner wall of the groove of the base.

[0011] Through the above technical solution, one end of the piston rod of the hydraulic cylinder is rotatably connected to the dam body. The extension and retraction of the hydraulic cylinder piston rod drives the dam body to rise and fall, and its deflection does not affect the dam body. The dam body is rotatably connected to the base and the triangular frame, which can be fixed while not affecting its rotation, to improve the stability of rotation. The slope in front of the triangular frame can prevent silt from accumulating around the dam body after the dam body rises, thereby reducing the accumulation of silt.

[0012] Preferably, a waterproof frame is fixedly installed on the outer surface of the base, and the inner wall of the waterproof frame is fixedly installed on the outer surface of the ultrasonic sensor.

[0013] Through the above technical solution, the base and the waterproof frame are fixedly installed, which can be fixed. The ultrasonic sensor is fixedly installed on the inner wall of the waterproof frame, which can ensure that the ultrasonic sensor is not affected by external water flow or humid environment. The ultrasonic sensor can emit and receive signals to accurately measure water level changes and ensure that the dam body rises and falls in synchronization with water level changes.

[0014] Preferably, the fixing device further includes a motor, which is fixedly installed on the inner wall of the groove of the base. A rotating frame is rotatably connected to the inner wall of the groove of the base, and a limiting groove is formed on the outer surface of the rotating frame.

[0015] Through the technical scheme, the motor is fixedly installed with the base, the base is fixed, the base is rotatably connected with the rotating frame, the rotating frame is fixed while not affecting the rotation, the outer surface of the rotating frame is provided with the limiting slot, and the rotation of the rotating frame can drive the fixed arc plate slidably connected with the rotating frame to move on the base in sliding insertion.

[0016] Preferably, the outer surface of one of the rotating frames is fixedly installed with the output shaft of the motor, and the outer surface of one of the rotating frames and the outer surface of the other of the rotating frames are rotatably connected with the synchronous belt through the synchronous wheel.

[0017] Through the technical scheme, the motor is fixedly installed with the output shaft of the motor, the output shaft of the motor is driven to rotate, the outer surfaces of the two rotating frames are rotatably connected with the synchronous belt through the synchronous wheel, the two rotating frames are synchronously rotated, and the fixed arc plates on the two sides of the dam body are driven to move, so that the two ends of the dam body are fixed.

[0018] Preferably, the outer surface of the fixed arc plate is slidably connected with the groove inner wall of the limiting slot, the fixed arc plate is slidably inserted into the groove inner wall of the base, and the outer surface of the fixed arc plate is fixedly installed with the rubber layer.

[0019] Through the technical scheme, the motor is fixedly installed with the output shaft of the motor, the output shaft of the motor is driven to rotate, the outer surfaces of the two rotating frames are rotatably connected with the synchronous belt through the synchronous wheel, the two rotating frames are synchronously rotated, and the fixed arc plates on the two sides of the dam body are driven to move, so that the two ends of the dam body are fixed.

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. The monitoring device is arranged to monitor the distance between the water surface and the dam body, the dam body is lifted and lowered by the extension and retraction of the hydraulic cylinder piston rod, the dam body is rotatably connected with the base and the triangular frame, the stability of rotation is improved, the slope in front of the triangular frame can prevent the accumulation of silt near the dam body after the dam body is lifted, the waterproof frame can ensure that the ultrasonic sensor is not affected by external water flow or humid environment, the ultrasonic sensor can emit and receive signals to accurately measure the water level change, and the lifting process of the dam body and the water level change are kept synchronous, thereby solving the technical problem that the angle sensor cannot accurately read the angle of the rotating plate when the hydraulic dam is used, the PLC controller calculates the water level height at the moment, the liquid flow or fluctuation is large, the angle of the rotating plate changes unstably due to the influence of the water flow, and the reading of the angle sensor is inaccurate.

[0022] 2. By setting the fixing device, the dam body is fixed, the motor drives the rotating frame to rotate, the outer surfaces of the two rotating frames are rotatably connected through the synchronous wheel and the synchronous belt, so that the two rotating frames can rotate synchronously, and the rotation of the rotating frame drives the fixed arc plate to rotate through the limiting groove, but the fixed arc plate is slidably inserted with the base, and is limited, so that it only moves relatively, the fixed arc plate and the rubber layer are fixedly installed, and the rubber layer is in contact with the dam body after the fixed arc plate moves, so that the direct friction between the fixed arc plate and the dam body is reduced, and the technical problem that when the hydraulic dam is used, the dam body is inclined or unbalanced after being affected by uneven water pressure or external force after rotating, and the unstable state will have adverse effects on the structure of the dam body is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A schematic diagram of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model;

[0024] Figure 2 A perspective view of the ultrasonic sensor structure of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model;

[0025] Figure 3 A perspective view of the hydraulic cylinder structure of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model;

[0026] Figure 4 A perspective view of the synchronous belt structure of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model;

[0027] Figure 5 A perspective view of the motor structure of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model;

[0028] Figure 6 A perspective view of the limiting groove structure of the automatic lifting hydraulic dam with water level monitoring is provided for the utility model.

[0029] In the drawing: 1, base; 11, dam body; 2, hydraulic cylinder; 3, triangular frame; 4, waterproof frame; 41, ultrasonic sensor; 5, motor; 51, rotating frame; 52, limiting groove; 6, synchronous belt; 7, fixed arc plate; 71, rubber layer. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] REFERENCE Figures 1-6The utility model provides an automatic lifting hydraulic dam with water level monitoring, which comprises a base 1 and a dam body 11, wherein the outer surface of the base 1 is provided with a monitoring device, and the monitoring device comprises an ultrasonic sensor 41 for monitoring the distance between the water surface and the ultrasonic sensor 41.

[0032] In order to make the hydraulic cylinder 2 produce appropriate deflection when pushing the dam body 11 to lift, the monitoring device further comprises a hydraulic cylinder 2 which is rotatably connected to the outer surface of the base 1, and the hydraulic cylinder 2 is rotatably connected to the base 1, so that the hydraulic cylinder 2 can produce appropriate deflection when pushing the dam body 11 to lift.

[0033] In order to reduce the accumulation of silt, one end of the piston rod of the hydraulic cylinder 2 is rotatably connected to the outer surface of the dam body 11, the outer surface of the base 1 is fixedly provided with a triangular frame 3, the outer surface of the dam body 11 is rotatably connected to the inner wall of the groove of the triangular frame 3 and the inner wall of the groove of the base 1, respectively, the one end of the piston rod of the hydraulic cylinder 2 is rotatably connected to the dam body 11, the extension and retraction of the piston rod of the hydraulic cylinder 2 drives the dam body 11 to lift, and the deflection of the hydraulic cylinder 2 does not affect the dam body 11, the dam body 11 is rotatably connected to the base 1 and the triangular frame 3, and is fixed while not affecting the rotation, so as to improve the stability of the rotation, and the slope setting in front of the triangular frame 3 can prevent silt from accumulating around the dam body 11 after the dam body 11 is lifted, thereby reducing the accumulation of silt.

[0034] In order to accurately measure the change of water level, the outer surface of the base 1 is fixedly provided with a waterproof frame 4, the inner wall of the waterproof frame 4 is fixedly provided with the outer surface of the ultrasonic sensor 41, the base 1 is fixedly provided with the waterproof frame 4, the ultrasonic sensor 41 is fixed by the inner wall of the waterproof frame 4, the ultrasonic sensor 41 is not affected by external water flow or humid environment, the change of water level can be accurately measured by the emission and reception of signals of the ultrasonic sensor 41, and the lifting process of the dam body 11 is kept synchronous with the change of water level.

[0035] By setting the monitoring device, the distance between the water surface and the monitoring device is monitored, the extension and retraction of the piston rod of the hydraulic cylinder 2 drives the dam body 11 to lift, the dam body 11 is rotatably connected to the base 1 and the triangular frame 3, the stability of the rotation is improved, the slope setting in front of the triangular frame 3 can prevent silt from accumulating around the dam body 11 after the dam body 11 is lifted, the waterproof frame 4 can ensure that the ultrasonic sensor 41 is not affected by external water flow or humid environment, the change of water level can be accurately measured by the emission and reception of signals of the ultrasonic sensor 41, the lifting process of the dam body 11 is kept synchronous with the change of water level, and the technical problem that the reading of the angle sensor is inaccurate due to the unstable change of the angle of the rotating plate caused by the influence of water flow when the hydraulic dam is used is solved.

[0036] In order to fix the dam body 11, the outer surface of the base 1 is provided with a fixing device, the fixing device comprises a fixed arc plate 7, and relative movement of the fixed arc plate 7 fixes the dam body 11.

[0037] In order to fix the rotating frame 51 without affecting its rotation, the fixing device further comprises a motor 5, the motor 5 is fixedly installed in the inner wall of the groove of the base 1, the inner wall of the groove of the base 1 is rotatably connected with the rotating frame 51, the outer surface of the rotating frame 51 is provided with a limiting groove 52, the motor 5 is fixedly installed on the base 1, the rotating frame 51 is fixed, the base 1 is rotatably connected with the rotating frame 51, the rotating frame 51 is fixed without affecting its rotation, the outer surface of the rotating frame 51 is provided with the limiting groove 52, and the rotation of the rotating frame 51 can drive the fixed arc plate 7 rotatably connected with the rotating groove to move on the slidingly inserted base 1.

[0038] In order to make the two rotating frames 51 rotate synchronously, the outer surface of one rotating frame 51 is fixedly installed with the output shaft of the motor 5, the outer surface of one rotating frame 51 and the outer surface of the other rotating frame 51 are rotatably connected with the synchronous belt 6 through the synchronous wheel, the rotating frame 51 is fixedly installed with the output shaft of the motor 5 to drive the rotating frame 51 to rotate, the outer surfaces of the two rotating frames 51 are rotatably connected with the synchronous belt 6 through the synchronous wheel, so that the two rotating frames 51 can rotate synchronously, thereby driving the fixed arc plates 7 on both sides of the dam body 11 to move and fixing the two ends of the dam body 11.

[0039] In order to reduce the direct friction between the fixed arc plate 7 and the dam body 11, the outer surface of the fixed arc plate 7 is rotatably connected with the inner wall of the groove of the limiting groove 52, the fixed arc plate 7 is slidingly inserted into the inner wall of the groove of the base 1, the outer surface of the fixed arc plate 7 is fixedly installed with a rubber layer 71, the fixed arc plate 7 is rotatably connected with the limiting groove 52, the rotation of the rotating frame 51 drives the fixed arc plate 7 to rotate through the limiting groove 52, but since the fixed arc plate 7 is slidingly inserted into the base 1, the fixed arc plate 7 is limited, so that it only moves relatively, the fixed arc plate 7 is fixedly installed with the rubber layer 71, the rubber layer 71 is in contact with the dam body 11 after the fixed arc plate 7 moves, and the direct friction between the fixed arc plate 7 and the dam body 11 is reduced.

[0040] The dam body 11 is fixed by the fixing device, the motor 5 drives the rotation frame 51 to rotate, the outer surfaces of the two rotation frames 51 are rotationally connected with the synchronous belt 6 through the synchronous wheel, so that the two rotation frames 51 can rotate synchronously, the rotation of the rotation frame 51 drives the fixed arc plate 7 to rotate through the limiting groove 52, but the fixed arc plate 7 is slidingly inserted into the base 1 and is limited, so that the fixed arc plate 7 only moves relatively, the fixed arc plate 7 is fixedly installed with the rubber layer 71, the rubber layer 71 is in contact with the dam body 11 after the fixed arc plate 7 moves, so that the direct friction between the fixed arc plate 7 and the dam body 11 is reduced, and the technical problem that, when the hydraulic dam is used, the dam body 11 is inclined or unbalanced due to uneven water pressure or external force after the dam body 11 rotates is solved, and the unstable state can have adverse effects on the structure of the dam body 11.

[0041] Working principle: when it is necessary to adjust the dam body 11 according to the water level height, the ultrasonic sensor 41 in the waterproof frame 4 fixedly installed on the base 1 measures the distance between the ultrasonic sensor 41 and the water surface through ultrasonic wave emission and reception signals, when the water level height is too high, the hydraulic cylinder 2 rotationally connected to the base 1 is started, so that the dam body 11 rotationally connected to the hydraulic cylinder 2 rotates on the triangular frame 3 and the base 1, and the slope design of the triangular frame 3 can prevent silt from accumulating.

[0042] When the dam body 11 is raised to the required position, the motor 5 is started to drive the rotation frame 51 to rotate, the rotation frame 51 drives the other rotation frame 51 to rotate through the synchronous belt 6, and the rotation of the rotation frame 51 drives the fixed arc plate 7 slidingly connected with the limiting groove 52 to relatively move on the slidingly inserted base 1, so that the two ends of the dam body 11 are fixed, and the rubber layer 71 on the fixed arc plate 7 is in contact with the dam body 11, so that the friction between the fixed arc plate 7 and the dam body 11 is reduced.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An automatic lifting hydraulic dam with water level monitoring, comprising a base (1) and a dam body (11), characterized in that: The outer surface of the base (1) is provided with a monitoring device, which includes an ultrasonic sensor (41) to monitor the distance between the water surface and the ultrasonic sensor (41). The outer surface of the base (1) is provided with a fixing device, which includes a fixing arc plate (7). The relative movement of the fixing arc plate (7) fixes the dam body (11).

2. The automatic lifting hydraulic dam with water level monitoring according to claim 1, characterized in that: The monitoring device also includes a hydraulic cylinder (2), which is rotatably connected to the outer surface of the base (1).

3. The automatic lifting hydraulic dam with water level monitoring according to claim 2, characterized in that: One end of the piston rod of the hydraulic cylinder (2) is rotatably connected to the outer surface of the dam body (11). A triangular frame (3) is fixedly installed on the outer surface of the base (1). The outer surface of the dam body (11) is rotatably connected to the inner wall of the groove of the triangular frame (3) and the inner wall of the groove of the base (1).

4. The automatic lifting hydraulic dam with water level monitoring according to claim 3, characterized in that: A waterproof frame (4) is fixedly installed on the outer surface of the base (1), and the inner wall of the waterproof frame (4) is fixedly installed on the outer surface of the ultrasonic sensor (41).

5. An automatic lifting hydraulic dam with water level monitoring according to claim 4, characterized in that: The fixing device also includes a motor (5), which is fixedly installed on the inner wall of the groove of the base (1). The inner wall of the groove of the base (1) is rotatably connected to a rotating frame (51), and a limit groove (52) is opened on the outer surface of the rotating frame (51).

6. An automatic lifting hydraulic dam with water level monitoring according to claim 5, characterized in that: The outer surface of one of the rotating frames (51) is fixedly installed with the output shaft of the motor (5), and the outer surfaces of one of the rotating frames (51) and the other rotating frame (51) are rotatably connected to a synchronous belt (6) via a synchronous pulley.

7. An automatic lifting hydraulic dam with water level monitoring according to claim 6, characterized in that: The outer surface of the fixed arc plate (7) is slidably connected to the inner wall of the groove of the limiting groove (52), the fixed arc plate (7) is slidably inserted into the inner wall of the groove of the base (1), and a rubber layer (71) is fixedly installed on the outer surface of the fixed arc plate (7).

Images