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Wedge plunger wave making device suitable for making high-order nonlinear waves

A wave-making device and nonlinear technology, applied in measurement devices, fluid dynamics tests, and testing of machine/structural components, etc., can solve the problem of low wave-making efficiency, waste of manpower and material resources, and reduction of the effective length of wave-making tanks, etc. problem, to achieve the effect of improving the quality of wave-making

Active Publication Date: 2022-03-25
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current plunger wave-making equipment is mainly aimed at making linear waves and irregular waves composed of linear waves, while the wave-making efficiency of high-order nonlinear waves commonly used in ocean engineering such as Stokes waves and solitary waves is relatively low. Low, resulting in a relative reduction in the effective length of the wave-making tank, increasing the cost of experimental equipment, wasting unnecessary manpower and material resources

Method used

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  • Wedge plunger wave making device suitable for making high-order nonlinear waves
  • Wedge plunger wave making device suitable for making high-order nonlinear waves
  • Wedge plunger wave making device suitable for making high-order nonlinear waves

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1-10 As shown, the present invention provides a wedge plunger wave-making device suitable for manufacturing high-order nonlinear waves, including a servo system, a motion module 7, a wave-eliminating device 10, and a water tank 11. The servo system consists of a servo motor 1, a driver 2 , a controller 3 and a man-machine interface 4, and are connected with a power cable 5 and a data transmission line 6, and one side of the servo motor 1 is equipped with a transmission device 8 through a fixed bracket 12, and the bottom end of the transmission device 8 is connected with a motion Module 7, transmission device 8 comprises screw mandrel 81, head flange 82, gear box 83, first mounting plate 84, second mounting plate 88 and guide rail 85, first mounting plate 84 and second mounting plate 88 are arranged in parallel, And carry out fixed connection by guide rail 85 at the four corners, head flange 82 is installed on the top surface of the first mounting plate 8...

Embodiment 2

[0031] Further, the transmission device 8 adopts a bevel gear-ball screw lifting platform.

[0032] When the servo controller 3 controls the rotation of the servo motor 7, the motor shaft drives the bevel gear of the transmission device 8 to rotate, and at the same time makes the ball screw 81 do a vertical reciprocating linear motion. During the working process of the ball screw-bevel gear transmission 8, It has higher transmission efficiency and greatly reduces the power of the servo motor 1 .

[0033] Other structures of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0035] Further, the motion module 7 is a wedge structure with a wedge angle of 45°-60°, and the two can be replaced with each other.

[0036] When the manufacturing target waves are linear waves, Stokes waves, and irregular waves, the wedge with a wedge angle of 45° is fixed on the flange of the transmission device with an M16 screw, such as Figure 9 As shown, the method of Example 1 is used to make waves; when the manufacturing target wave is a solitary wave, the wedge with a wedge angle of 60° is fixed on the flange of the transmission device with an M16 screw, as shown in Figure 10 As shown, the method of embodiment 1 is used to make waves.

[0037] Other structures of this embodiment are the same as those of Embodiment 1.

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Abstract

The invention discloses a wedge plunger wave making device suitable for making high-order nonlinear waves, the wedge plunger wave making device comprises a servo system, a motion module, a wave absorbing device and a water tank, the servo system is composed of a servo motor, a driver, a controller and a man-machine interaction interface, one side of the servo motor is provided with a transmission device through a fixing support, and the other side of the servo motor is provided with a driving device; the bottom end of the transmission device is in transmission connection with a movement module, mounting grooves are oppositely formed in the two sides of the water tank, water baffles are slidably connected into the mounting grooves in a sleeved mode and located behind the movement module, and a wave absorbing device is installed at the tail end, away from the water baffles, of the water tank. Wedge body movement rules corresponding to different waveforms are embedded into the servo controller, the servo motor is controlled to drive the wedge body to accurately do vertical movement through the driver, and the movement speed and position of the movement module and the torque change of the motor can be clearly displayed on a human-computer interaction interface. The device is used for monitoring the working condition of wave making equipment in real time.

Description

technical field [0001] The invention relates to the field of engineering test wave making, in particular to a wedge plunger wave making device suitable for making high-order nonlinear waves. Background technique [0002] With the continuous exploration of the ocean by humans, infrastructures such as docks, fishing grounds, offshore platforms, and sea-crossing bridges have increased rapidly, which makes the design and service of offshore structures inevitably face the challenge of waves. Therefore, the law of the wave itself and its coupling effect on ships and offshore structures has always been a research topic for scholars. However, the highly nonlinear nature of wave propagation and the complexity of wave-structure coupling complicate a single theoretical analysis. Therefore, the wave tank has played an indispensable role in studying waves and verifying the accuracy of theoretical analysis. [0003] The current plunger wave-making equipment is mainly aimed at making lin...

Claims

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Application Information

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IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 孙斌李成张海嘉宋占琪仝安方宏远杨绍林
Owner ZHENGZHOU UNIV
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